From b3fdb37b87ee42f385b9bbe6df7657a5b5e1cbf8 Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Wed, 13 Nov 2013 16:50:49 -0500 Subject: Create UI project, start designing UI. --- ZeroTierUI/network.cpp | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 ZeroTierUI/network.cpp (limited to 'ZeroTierUI/network.cpp') diff --git a/ZeroTierUI/network.cpp b/ZeroTierUI/network.cpp new file mode 100644 index 00000000..fed644db --- /dev/null +++ b/ZeroTierUI/network.cpp @@ -0,0 +1,14 @@ +#include "network.h" +#include "ui_network.h" + +Network::Network(QWidget *parent) : + QScrollArea(parent), + ui(new Ui::Network) +{ + ui->setupUi(this); +} + +Network::~Network() +{ + delete ui; +} -- cgit v1.2.3 From 77bab135465a14d13f7835c7a9c3a53dc04496dd Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Mon, 18 Nov 2013 12:01:33 -0500 Subject: More UI work, reorg Windows stuff... --- ZeroTierOne.sln | 390 --- ZeroTierUI/ZeroTierUI.pro | 3 +- ZeroTierUI/mainwindow.cpp | 30 + ZeroTierUI/mainwindow.ui | 5 +- ZeroTierUI/network.cpp | 13 +- ZeroTierUI/network.h | 9 +- ZeroTierUI/network.ui | 254 +- vsprojects/SelfTest/SelfTest.vcxproj | 231 -- vsprojects/SelfTest/SelfTest.vcxproj.filters | 227 -- vsprojects/SelfTest/targetver.h | 8 - .../TapDriver Package/TapDriver Package.vcxproj | 155 - .../TapDriver Package.vcxproj.filters | 9 - vsprojects/TapDriver/TapDriver.vcxproj | 352 --- vsprojects/TapDriver/TapDriver.vcxproj.filters | 81 - vsprojects/TapDriver/config.h | 12 - vsprojects/TapDriver/constants.h | 52 - vsprojects/TapDriver/dhcp.c | 603 ---- vsprojects/TapDriver/dhcp.h | 168 -- vsprojects/TapDriver/endian.h | 35 - vsprojects/TapDriver/error.c | 387 --- vsprojects/TapDriver/error.h | 88 - vsprojects/TapDriver/instance.c | 241 -- vsprojects/TapDriver/lock.h | 75 - vsprojects/TapDriver/macinfo.c | 154 - vsprojects/TapDriver/macinfo.h | 38 - vsprojects/TapDriver/mem.c | 186 -- vsprojects/TapDriver/proto.h | 224 -- vsprojects/TapDriver/prototypes.h | 260 -- vsprojects/TapDriver/tap-windows.h | 73 - vsprojects/TapDriver/tapdrvr.c | 3173 -------------------- vsprojects/TapDriver/testcert.pfx | Bin 2651 -> 0 bytes vsprojects/TapDriver/types.h | 182 -- vsprojects/TapDriver/ztTap100.inf | 84 - vsprojects/ZeroTierOne/ZeroTierOne.vcxproj | 228 -- vsprojects/ZeroTierOne/ZeroTierOne.vcxproj.filters | 228 -- windows/SelfTest/SelfTest.vcxproj | 231 ++ windows/SelfTest/SelfTest.vcxproj.filters | 227 ++ windows/SelfTest/targetver.h | 8 + .../TapDriver Package/TapDriver Package.vcxproj | 155 + .../TapDriver Package.vcxproj.filters | 9 + windows/TapDriver/TapDriver.vcxproj | 352 +++ windows/TapDriver/TapDriver.vcxproj.filters | 81 + windows/TapDriver/config.h | 12 + windows/TapDriver/constants.h | 52 + windows/TapDriver/dhcp.c | 603 ++++ windows/TapDriver/dhcp.h | 168 ++ windows/TapDriver/endian.h | 35 + windows/TapDriver/error.c | 387 +++ windows/TapDriver/error.h | 88 + windows/TapDriver/instance.c | 241 ++ windows/TapDriver/lock.h | 75 + windows/TapDriver/macinfo.c | 154 + windows/TapDriver/macinfo.h | 38 + windows/TapDriver/mem.c | 186 ++ windows/TapDriver/proto.h | 224 ++ windows/TapDriver/prototypes.h | 260 ++ windows/TapDriver/tap-windows.h | 73 + windows/TapDriver/tapdrvr.c | 3173 ++++++++++++++++++++ windows/TapDriver/testcert.pfx | Bin 0 -> 2651 bytes windows/TapDriver/types.h | 182 ++ windows/TapDriver/ztTap100.inf | 84 + windows/ZeroTierOne.sln | 390 +++ windows/ZeroTierOne/ZeroTierOne.vcxproj | 228 ++ windows/ZeroTierOne/ZeroTierOne.vcxproj.filters | 228 ++ 64 files changed, 8240 insertions(+), 7962 deletions(-) delete mode 100644 ZeroTierOne.sln delete mode 100644 vsprojects/SelfTest/SelfTest.vcxproj delete mode 100644 vsprojects/SelfTest/SelfTest.vcxproj.filters delete mode 100644 vsprojects/SelfTest/targetver.h delete mode 100644 vsprojects/TapDriver Package/TapDriver Package.vcxproj delete mode 100644 vsprojects/TapDriver Package/TapDriver Package.vcxproj.filters delete mode 100644 vsprojects/TapDriver/TapDriver.vcxproj delete mode 100644 vsprojects/TapDriver/TapDriver.vcxproj.filters delete mode 100644 vsprojects/TapDriver/config.h delete mode 100644 vsprojects/TapDriver/constants.h delete mode 100644 vsprojects/TapDriver/dhcp.c delete mode 100644 vsprojects/TapDriver/dhcp.h delete mode 100644 vsprojects/TapDriver/endian.h delete mode 100644 vsprojects/TapDriver/error.c delete mode 100644 vsprojects/TapDriver/error.h delete mode 100644 vsprojects/TapDriver/instance.c delete mode 100644 vsprojects/TapDriver/lock.h delete mode 100644 vsprojects/TapDriver/macinfo.c delete mode 100644 vsprojects/TapDriver/macinfo.h delete mode 100644 vsprojects/TapDriver/mem.c delete mode 100644 vsprojects/TapDriver/proto.h delete mode 100644 vsprojects/TapDriver/prototypes.h delete mode 100644 vsprojects/TapDriver/tap-windows.h delete mode 100644 vsprojects/TapDriver/tapdrvr.c delete mode 100644 vsprojects/TapDriver/testcert.pfx delete mode 100644 vsprojects/TapDriver/types.h delete mode 100644 vsprojects/TapDriver/ztTap100.inf delete mode 100644 vsprojects/ZeroTierOne/ZeroTierOne.vcxproj delete mode 100644 vsprojects/ZeroTierOne/ZeroTierOne.vcxproj.filters create mode 100644 windows/SelfTest/SelfTest.vcxproj create mode 100644 windows/SelfTest/SelfTest.vcxproj.filters create mode 100644 windows/SelfTest/targetver.h create mode 100644 windows/TapDriver Package/TapDriver Package.vcxproj create mode 100644 windows/TapDriver Package/TapDriver Package.vcxproj.filters create mode 100644 windows/TapDriver/TapDriver.vcxproj create mode 100644 windows/TapDriver/TapDriver.vcxproj.filters create mode 100644 windows/TapDriver/config.h create mode 100644 windows/TapDriver/constants.h create mode 100644 windows/TapDriver/dhcp.c create mode 100644 windows/TapDriver/dhcp.h create mode 100644 windows/TapDriver/endian.h create mode 100644 windows/TapDriver/error.c create mode 100644 windows/TapDriver/error.h create mode 100644 windows/TapDriver/instance.c create mode 100644 windows/TapDriver/lock.h create mode 100644 windows/TapDriver/macinfo.c create mode 100644 windows/TapDriver/macinfo.h create mode 100644 windows/TapDriver/mem.c create mode 100644 windows/TapDriver/proto.h create mode 100644 windows/TapDriver/prototypes.h create mode 100644 windows/TapDriver/tap-windows.h create mode 100644 windows/TapDriver/tapdrvr.c create mode 100644 windows/TapDriver/testcert.pfx create mode 100644 windows/TapDriver/types.h create mode 100644 windows/TapDriver/ztTap100.inf create mode 100644 windows/ZeroTierOne.sln create mode 100644 windows/ZeroTierOne/ZeroTierOne.vcxproj create mode 100644 windows/ZeroTierOne/ZeroTierOne.vcxproj.filters (limited to 'ZeroTierUI/network.cpp') diff --git a/ZeroTierOne.sln b/ZeroTierOne.sln deleted file mode 100644 index 90f8243b..00000000 --- a/ZeroTierOne.sln +++ /dev/null @@ -1,390 +0,0 @@ - -Microsoft Visual Studio Solution File, Format Version 12.00 -# Visual Studio 2012 -Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = 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= FALSE - EndGlobalSection -EndGlobal diff --git a/ZeroTierUI/ZeroTierUI.pro b/ZeroTierUI/ZeroTierUI.pro index fcdba8ca..7c907c06 100644 --- a/ZeroTierUI/ZeroTierUI.pro +++ b/ZeroTierUI/ZeroTierUI.pro @@ -19,7 +19,8 @@ SOURCES += main.cpp\ HEADERS += mainwindow.h \ network.h \ - aboutwindow.h + aboutwindow.h \ + ../node/Node.hpp FORMS += mainwindow.ui \ network.ui \ diff --git a/ZeroTierUI/mainwindow.cpp b/ZeroTierUI/mainwindow.cpp index 41d94987..bb2c263b 100644 --- a/ZeroTierUI/mainwindow.cpp +++ b/ZeroTierUI/mainwindow.cpp @@ -28,6 +28,7 @@ void MainWindow::on_actionAbout_triggered() void MainWindow::on_actionJoin_Network_triggered() { + // Does the same thing as clicking join button on main UI on_joinNetworkButton_clicked(); } @@ -37,6 +38,35 @@ void MainWindow::on_actionShow_Detailed_Status_triggered() void MainWindow::on_networkIdLineEdit_textChanged(const QString &text) { + QString newText; + for(QString::const_iterator i(text.begin());i!=text.end();++i) { + switch(i->toLatin1()) { + case '0': newText.append('0'); break; + case '1': newText.append('1'); break; + case '2': newText.append('2'); break; + case '3': newText.append('3'); break; + case '4': newText.append('4'); break; + case '5': newText.append('5'); break; + case '6': newText.append('6'); break; + case '7': newText.append('7'); break; + case '8': newText.append('8'); break; + case '9': newText.append('9'); break; + case 'a': newText.append('a'); break; + case 'b': newText.append('b'); break; + case 'c': newText.append('c'); break; + case 'd': newText.append('d'); break; + case 'e': newText.append('e'); break; + case 'f': newText.append('f'); break; + case 'A': newText.append('a'); break; + case 'B': newText.append('b'); break; + case 'C': newText.append('c'); break; + case 'D': newText.append('d'); break; + case 'E': newText.append('e'); break; + case 'F': newText.append('f'); break; + default: break; + } + } + ui->networkIdLineEdit->setText(newText); } void MainWindow::on_statusAndAddressButton_clicked() diff --git a/ZeroTierUI/mainwindow.ui b/ZeroTierUI/mainwindow.ui index c9366ccf..d4824d59 100644 --- a/ZeroTierUI/mainwindow.ui +++ b/ZeroTierUI/mainwindow.ui @@ -64,6 +64,9 @@ + + 0 + 0 @@ -128,7 +131,7 @@ border: 0; - 0000000000 (OFFLINE, 0 peers) + 0000000000 (OFFLINE, 0 peers) Qt::ToolButtonTextOnly diff --git a/ZeroTierUI/network.cpp b/ZeroTierUI/network.cpp index fed644db..3826a8da 100644 --- a/ZeroTierUI/network.cpp +++ b/ZeroTierUI/network.cpp @@ -1,8 +1,10 @@ #include "network.h" #include "ui_network.h" +#include + Network::Network(QWidget *parent) : - QScrollArea(parent), + QWidget(parent), ui(new Ui::Network) { ui->setupUi(this); @@ -12,3 +14,12 @@ Network::~Network() { delete ui; } + +void Network::on_leaveNetworkButton_clicked() +{ +} + +void Network::on_networkIdPushButton_clicked() +{ + QApplication::clipboard()->setText(ui->networkIdPushButton->text()); +} diff --git a/ZeroTierUI/network.h b/ZeroTierUI/network.h index 9c7273a1..730b7982 100644 --- a/ZeroTierUI/network.h +++ b/ZeroTierUI/network.h @@ -1,13 +1,13 @@ #ifndef NETWORK_H #define NETWORK_H -#include +#include namespace Ui { class Network; } -class Network : public QScrollArea +class Network : public QWidget { Q_OBJECT @@ -15,6 +15,11 @@ public: explicit Network(QWidget *parent = 0); ~Network(); +private slots: + void on_leaveNetworkButton_clicked(); + + void on_networkIdPushButton_clicked(); + private: Ui::Network *ui; }; diff --git a/ZeroTierUI/network.ui b/ZeroTierUI/network.ui index cb8a93ca..1f80a4c8 100644 --- a/ZeroTierUI/network.ui +++ b/ZeroTierUI/network.ui @@ -1,31 +1,259 @@ Network - + 0 0 618 - 79 + 93 + + + 0 + 0 + + - ScrollArea + Network - + true - - - - 0 - 0 - 616 - 77 - + + + 6 + + + 6 + + + 0 + + + 6 + + + 0 - + + + + + QFormLayout::ExpandingFieldsGrow + + + Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter + + + Qt::AlignHCenter|Qt::AlignTop + + + 6 + + + 2 + + + 0 + + + 0 + + + 0 + + + 0 + + + + + Network ID: + + + Qt::PlainText + + + + + + + + 0 + 0 + + + + + Courier + 13 + 75 + true + + + + Click to Copy to Clipboard + + + border: 0; +padding: 0; +margin: 0; +text-align: left; + + + 0000000000000000 + + + true + + + + + + + Status: + + + Qt::PlainText + + + + + + + + 0 + 0 + + + + + 75 + true + + + + OK + + + Qt::PlainText + + + + + + + Device: + + + Qt::PlainText + + + + + + + + 75 + true + + + + zt0 + + + Qt::PlainText + + + + + + + + 0 + 0 + + + + + 100 + 0 + + + + + 0 + + + 0 + + + 0 + + + 0 + + + + + Qt::Horizontal + + + + 40 + 20 + + + + + + + + + 10 + true + + + + padding: 0; margin: 0; + + + Leave Network + + + true + + + + + + + + + + + + + + 0 + 0 + + + + + Courier + 10 + + + + false + + + + diff --git a/vsprojects/SelfTest/SelfTest.vcxproj b/vsprojects/SelfTest/SelfTest.vcxproj deleted file mode 100644 index db4e163f..00000000 --- a/vsprojects/SelfTest/SelfTest.vcxproj +++ /dev/null @@ -1,231 +0,0 @@ - - - - - Debug - Win32 - - - Debug - x64 - - - Release - Win32 - - - Release - x64 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$(SolutionDir)\ext\bin\libcrypto\win32-vs2012\libeay32.lib;wsock32.lib;ws2_32.lib;%(AdditionalDependencies) - - - - - Level3 - NotUsing - MaxSpeed - true - true - WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) - true - $(SolutionDir)\ext\bin\libcrypto\include;%(AdditionalIncludeDirectories) - - - Console - true - true - true - wsock32.lib;ws2_32.lib;iphlpapi.lib;$(SolutionDir)\ext\bin\libcrypto\win32-vs2012\libeay32.lib;%(AdditionalDependencies) - false - - - - - Level3 - NotUsing - MaxSpeed - true - true - WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) - true - $(SolutionDir)\ext\bin\libcrypto\include;%(AdditionalIncludeDirectories) - - - Console - true - true - true - wsock32.lib;ws2_32.lib;iphlpapi.lib;$(SolutionDir)\ext\bin\libcrypto\win64-vs2012\libeay32.lib;%(AdditionalDependencies) - false - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - \ No newline at end of file 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C:\WinDDK\7600.16385.1\lib\wnet\amd64\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\amd64\ntstrsafe.lib;%(AdditionalDependencies) - - - - - - - - - - - - true - true - true - true - true - true - true - true - true - true - true - true - - - true - true - true - true - true - true - true - true - true - true - true - true - - - true - true - true - true - true - true - true - true - true - true - true - true - - - true - true - true - true - true - true - true - true - true - true - true - true - - - true - true - true - true - true - true - true - true - true - true - true - true - - - - - - - - - - - - - - - - - - - - \ No newline at end of file diff --git a/vsprojects/TapDriver/TapDriver.vcxproj.filters b/vsprojects/TapDriver/TapDriver.vcxproj.filters deleted file mode 100644 index 4bac59db..00000000 --- a/vsprojects/TapDriver/TapDriver.vcxproj.filters +++ /dev/null @@ -1,81 +0,0 @@ - - - - - {4FC737F1-C7A5-4376-A066-2A32D752A2FF} - cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx - - - {93995380-89BD-4b04-88EB-625FBE52EBFB} - h;hpp;hxx;hm;inl;inc;xsd - - - {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} - rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms - - - {8E41214B-6785-4CFE-B992-037D68949A14} - inf;inv;inx;mof;mc; - - - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - - - Driver Files - - - \ No newline at end of file diff --git a/vsprojects/TapDriver/config.h b/vsprojects/TapDriver/config.h deleted file mode 100644 index 5a6ff247..00000000 --- a/vsprojects/TapDriver/config.h +++ /dev/null @@ -1,12 +0,0 @@ -#define PRODUCT_NAME "ZeroTier One Ethernet Tap" -#define PRODUCT_VERSION "1.0.0" -#define PRODUCT_VERSION_RESOURCE 1,0,0,1 -#define PRODUCT_TAP_WIN_COMPONENT_ID "ztTap100" -#define PRODUCT_TAP_WIN_MAJOR 1 -#define PRODUCT_TAP_WIN_MINOR 0 -#define PRODUCT_TAP_WIN_PROVIDER "ZeroTier Networks" -#define PRODUCT_TAP_WIN_DEVICE_DESCRIPTION PRODUCT_NAME -#define PRODUCT_TAP_WIN_RELDATE "08/01/2013" - -#define TAP_DRIVER_MAJOR_VERSION PRODUCT_TAP_WIN_MAJOR -#define TAP_DRIVER_MINOR_VERSION PRODUCT_TAP_WIN_MINOR diff --git a/vsprojects/TapDriver/constants.h b/vsprojects/TapDriver/constants.h deleted file mode 100644 index 698dc629..00000000 --- a/vsprojects/TapDriver/constants.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -//==================================================================== -// Product and Version public settings -//==================================================================== - -#define PRODUCT_STRING PRODUCT_TAP_DEVICE_DESCRIPTION - -#define TAP_NDIS_MAJOR_VERSION 5 -#define TAP_NDIS_MINOR_VERSION 0 - -//=========================================================== -// Driver constants -//=========================================================== - -#define ETHERNET_HEADER_SIZE (sizeof (ETH_HEADER)) -#define ETHERNET_MTU 2800 // ZeroTier One MTU -#define ETHERNET_PACKET_SIZE (ETHERNET_MTU + ETHERNET_HEADER_SIZE) -#define DEFAULT_PACKET_LOOKAHEAD (ETHERNET_PACKET_SIZE) - -#define NIC_MAX_MCAST_LIST 32 // Max length of multicast address list - -#define MINIMUM_MTU 576 // USE TCP Minimum MTU -#define MAXIMUM_MTU 65536 // IP maximum MTU - -#define PACKET_QUEUE_SIZE 64 // tap -> userspace queue size -#define IRP_QUEUE_SIZE 16 // max number of simultaneous i/o operations from userspace -#define INJECT_QUEUE_SIZE 16 // DHCP/ARP -> tap injection queue - -#define TAP_LITTLE_ENDIAN // affects ntohs, htonl, etc. functions diff --git a/vsprojects/TapDriver/dhcp.c b/vsprojects/TapDriver/dhcp.c deleted file mode 100644 index f3c61d6f..00000000 --- a/vsprojects/TapDriver/dhcp.c +++ /dev/null @@ -1,603 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#if 0 - -//========================= -// Code to set DHCP options -//========================= - -VOID -SetDHCPOpt (DHCPMsg *m, void *data, unsigned int len) -{ - if (!m->overflow) - { - if (m->optlen + len <= DHCP_OPTIONS_BUFFER_SIZE) - { - if (len) - { - NdisMoveMemory (m->msg.options + m->optlen, data, len); - m->optlen += len; - } - } - else - { - m->overflow = TRUE; - } - } -} - -VOID -SetDHCPOpt0 (DHCPMsg *msg, int type) -{ - DHCPOPT0 opt; - opt.type = (UCHAR) type; - SetDHCPOpt (msg, &opt, sizeof (opt)); -} - -VOID -SetDHCPOpt8 (DHCPMsg *msg, int type, ULONG data) -{ - DHCPOPT8 opt; - opt.type = (UCHAR) type; - opt.len = sizeof (opt.data); - opt.data = (UCHAR) data; - SetDHCPOpt (msg, &opt, sizeof (opt)); -} - -VOID -SetDHCPOpt32 (DHCPMsg *msg, int type, ULONG data) -{ - DHCPOPT32 opt; - opt.type = (UCHAR) type; - opt.len = sizeof (opt.data); - opt.data = data; - SetDHCPOpt (msg, &opt, sizeof (opt)); -} - -//============== -// Checksum code -//============== - -USHORT -ip_checksum (const UCHAR *buf, const int len_ip_header) -{ - USHORT word16; - ULONG sum = 0; - int i; - - // make 16 bit words out of every two adjacent 8 bit words in the packet - // and add them up - for (i = 0; i < len_ip_header - 1; i += 2) { - word16 = ((buf[i] << 8) & 0xFF00) + (buf[i+1] & 0xFF); - sum += (ULONG) word16; - } - - // take only 16 bits out of the 32 bit sum and add up the carries - while (sum >> 16) - sum = (sum & 0xFFFF) + (sum >> 16); - - // one's complement the result - return ((USHORT) ~sum); -} - -USHORT -udp_checksum (const UCHAR *buf, - const int len_udp, - const UCHAR *src_addr, - const UCHAR *dest_addr) -{ - USHORT word16; - ULONG sum = 0; - int i; - - // make 16 bit words out of every two adjacent 8 bit words and - // calculate the sum of all 16 bit words - for (i = 0; i < len_udp; i += 2){ - word16 = ((buf[i] << 8) & 0xFF00) + ((i + 1 < len_udp) ? (buf[i+1] & 0xFF) : 0); - sum += word16; - } - - // add the UDP pseudo header which contains the IP source and destination addresses - for (i = 0; i < 4; i += 2){ - word16 =((src_addr[i] << 8) & 0xFF00) + (src_addr[i+1] & 0xFF); - sum += word16; - } - for (i = 0; i < 4; i += 2){ - word16 =((dest_addr[i] << 8) & 0xFF00) + (dest_addr[i+1] & 0xFF); - sum += word16; - } - - // the protocol number and the length of the UDP packet - sum += (USHORT) IPPROTO_UDP + (USHORT) len_udp; - - // keep only the last 16 bits of the 32 bit calculated sum and add the carries - while (sum >> 16) - sum = (sum & 0xFFFF) + (sum >> 16); - - // Take the one's complement of sum - return ((USHORT) ~sum); -} - -//================================ -// Set IP and UDP packet checksums -//================================ - -VOID -SetChecksumDHCPMsg (DHCPMsg *m) -{ - // Set IP checksum - m->msg.pre.ip.check = htons (ip_checksum ((UCHAR *) &m->msg.pre.ip, sizeof (IPHDR))); - - // Set UDP Checksum - m->msg.pre.udp.check = htons (udp_checksum ((UCHAR *) &m->msg.pre.udp, - sizeof (UDPHDR) + sizeof (DHCP) + m->optlen, - (UCHAR *)&m->msg.pre.ip.saddr, - (UCHAR *)&m->msg.pre.ip.daddr)); -} - -//=================== -// DHCP message tests -//=================== - -int -GetDHCPMessageType (const DHCP *dhcp, const int optlen) -{ - const UCHAR *p = (UCHAR *) (dhcp + 1); - int i; - - for (i = 0; i < optlen; ++i) - { - const UCHAR type = p[i]; - const int room = optlen - i - 1; - if (type == DHCP_END) // didn't find what we were looking for - return -1; - else if (type == DHCP_PAD) // no-operation - ; - else if (type == DHCP_MSG_TYPE) // what we are looking for - { - if (room >= 2) - { - if (p[i+1] == 1) // message length should be 1 - return p[i+2]; // return message type - } - return -1; - } - else // some other message - { - if (room >= 1) - { - const int len = p[i+1]; // get message length - i += (len + 1); // advance to next message - } - } - } - return -1; -} - -BOOLEAN -DHCPMessageOurs (const TapAdapterPointer p_Adapter, - const ETH_HEADER *eth, - const IPHDR *ip, - const UDPHDR *udp, - const DHCP *dhcp) -{ - // Must be UDPv4 protocol - if (!(eth->proto == htons (ETH_P_IP) && ip->protocol == IPPROTO_UDP)) - return FALSE; - - // Source MAC must be our adapter - if (!MAC_EQUAL (eth->src, p_Adapter->m_MAC)) - return FALSE; - - // Dest MAC must be either broadcast or our virtual DHCP server - if (!(MAC_EQUAL (eth->dest, p_Adapter->m_MAC_Broadcast) - || MAC_EQUAL (eth->dest, p_Adapter->m_dhcp_server_mac))) - return FALSE; - - // Port numbers must be correct - if (!(udp->dest == htons (BOOTPS_PORT) - && udp->source == htons (BOOTPC_PORT))) - return FALSE; - - // Hardware address must be MAC addr sized - if (!(dhcp->hlen == sizeof (MACADDR))) - return FALSE; - - // Hardware address must match our adapter - if (!MAC_EQUAL (eth->src, dhcp->chaddr)) - return FALSE; - - return TRUE; -} - - -//===================================================== -// Build all of DHCP packet except for DHCP options. -// Assume that *p has been zeroed before we are called. -//===================================================== - -VOID -BuildDHCPPre (const TapAdapterPointer a, - DHCPPre *p, - const ETH_HEADER *eth, - const IPHDR *ip, - const UDPHDR *udp, - const DHCP *dhcp, - const int optlen, - const int type) -{ - // Should we broadcast or direct to a specific MAC / IP address? - const BOOLEAN broadcast = (type == DHCPNAK - || MAC_EQUAL (eth->dest, a->m_MAC_Broadcast)); - // Build ethernet header - - COPY_MAC (p->eth.src, a->m_dhcp_server_mac); - - if (broadcast) - COPY_MAC (p->eth.dest, a->m_MAC_Broadcast); - else - COPY_MAC (p->eth.dest, eth->src); - - p->eth.proto = htons (ETH_P_IP); - - // Build IP header - - p->ip.version_len = (4 << 4) | (sizeof (IPHDR) >> 2); - p->ip.tos = 0; - p->ip.tot_len = htons (sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP) + optlen); - p->ip.id = 0; - p->ip.frag_off = 0; - p->ip.ttl = 16; - p->ip.protocol = IPPROTO_UDP; - p->ip.check = 0; - p->ip.saddr = a->m_dhcp_server_ip; - - if (broadcast) - p->ip.daddr = ~0; - else - p->ip.daddr = a->m_dhcp_addr; - - // Build UDP header - - p->udp.source = htons (BOOTPS_PORT); - p->udp.dest = htons (BOOTPC_PORT); - p->udp.len = htons (sizeof (UDPHDR) + sizeof (DHCP) + optlen); - p->udp.check = 0; - - // Build DHCP response - - p->dhcp.op = BOOTREPLY; - p->dhcp.htype = 1; - p->dhcp.hlen = sizeof (MACADDR); - p->dhcp.hops = 0; - p->dhcp.xid = dhcp->xid; - p->dhcp.secs = 0; - p->dhcp.flags = 0; - p->dhcp.ciaddr = 0; - - if (type == DHCPNAK) - p->dhcp.yiaddr = 0; - else - p->dhcp.yiaddr = a->m_dhcp_addr; - - p->dhcp.siaddr = a->m_dhcp_server_ip; - p->dhcp.giaddr = 0; - COPY_MAC (p->dhcp.chaddr, eth->src); - p->dhcp.magic = htonl (0x63825363); -} -//============================= -// Build specific DHCP messages -//============================= - -VOID -SendDHCPMsg (const TapAdapterPointer a, - const int type, - const ETH_HEADER *eth, - const IPHDR *ip, - const UDPHDR *udp, - const DHCP *dhcp) -{ - DHCPMsg *pkt; - - if (!(type == DHCPOFFER || type == DHCPACK || type == DHCPNAK)) - { - DEBUGP (("[TAP] SendDHCPMsg: Bad DHCP type: %d\n", type)); - return; - } - - pkt = (DHCPMsg *) MemAlloc (sizeof (DHCPMsg), TRUE); - - if (pkt) - { - //----------------------- - // Build DHCP options - //----------------------- - - // Message Type - SetDHCPOpt8 (pkt, DHCP_MSG_TYPE, type); - - // Server ID - SetDHCPOpt32 (pkt, DHCP_SERVER_ID, a->m_dhcp_server_ip); - - if (type == DHCPOFFER || type == DHCPACK) - { - // Lease Time - SetDHCPOpt32 (pkt, DHCP_LEASE_TIME, htonl (a->m_dhcp_lease_time)); - - // Netmask - SetDHCPOpt32 (pkt, DHCP_NETMASK, a->m_dhcp_netmask); - - // Other user-defined options - SetDHCPOpt (pkt, - a->m_dhcp_user_supplied_options_buffer, - a->m_dhcp_user_supplied_options_buffer_len); - } - - // End - SetDHCPOpt0 (pkt, DHCP_END); - - if (!DHCPMSG_OVERFLOW (pkt)) - { - // The initial part of the DHCP message (not including options) gets built here - BuildDHCPPre (a, - &pkt->msg.pre, - eth, - ip, - udp, - dhcp, - DHCPMSG_LEN_OPT (pkt), - type); - - SetChecksumDHCPMsg (pkt); - - DUMP_PACKET ("DHCPMsg", - DHCPMSG_BUF (pkt), - DHCPMSG_LEN_FULL (pkt)); - - // Return DHCP response to kernel - InjectPacketDeferred (a, - DHCPMSG_BUF (pkt), - DHCPMSG_LEN_FULL (pkt)); - } - else - { - DEBUGP (("[TAP] SendDHCPMsg: DHCP buffer overflow\n")); - } - - MemFree (pkt, sizeof (DHCPMsg)); - } -} - -//=================================================================== -// Handle a BOOTPS packet produced by the local system to -// resolve the address/netmask of this adapter. -// If we are in TAP_WIN_IOCTL_CONFIG_DHCP_MASQ mode, reply -// to the message. Return TRUE if we processed the passed -// message, so that downstream stages can ignore it. -//=================================================================== - -BOOLEAN -ProcessDHCP (TapAdapterPointer p_Adapter, - const ETH_HEADER *eth, - const IPHDR *ip, - const UDPHDR *udp, - const DHCP *dhcp, - int optlen) -{ - int msg_type; - - // Sanity check IP header - if (!(ntohs (ip->tot_len) == sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP) + optlen - && (ntohs (ip->frag_off) & IP_OFFMASK) == 0)) - return TRUE; - - // Does this message belong to us? - if (!DHCPMessageOurs (p_Adapter, eth, ip, udp, dhcp)) - return FALSE; - - msg_type = GetDHCPMessageType (dhcp, optlen); - - // Drop non-BOOTREQUEST messages - if (dhcp->op != BOOTREQUEST) - return TRUE; - - // Drop any messages except DHCPDISCOVER or DHCPREQUEST - if (!(msg_type == DHCPDISCOVER || msg_type == DHCPREQUEST)) - return TRUE; - - // Should we reply with DHCPOFFER, DHCPACK, or DHCPNAK? - if (msg_type == DHCPREQUEST - && ((dhcp->ciaddr && dhcp->ciaddr != p_Adapter->m_dhcp_addr) - || !p_Adapter->m_dhcp_received_discover - || p_Adapter->m_dhcp_bad_requests >= BAD_DHCPREQUEST_NAK_THRESHOLD)) - SendDHCPMsg (p_Adapter, - DHCPNAK, - eth, ip, udp, dhcp); - else - SendDHCPMsg (p_Adapter, - (msg_type == DHCPDISCOVER ? DHCPOFFER : DHCPACK), - eth, ip, udp, dhcp); - - // Remember if we received a DHCPDISCOVER - if (msg_type == DHCPDISCOVER) - p_Adapter->m_dhcp_received_discover = TRUE; - - // Is this a bad DHCPREQUEST? - if (msg_type == DHCPREQUEST && dhcp->ciaddr && dhcp->ciaddr != p_Adapter->m_dhcp_addr) - ++p_Adapter->m_dhcp_bad_requests; - - return TRUE; -} - -#if DBG - -const char * -message_op_text (int op) -{ - switch (op) - { - case BOOTREQUEST: - return "BOOTREQUEST"; - case BOOTREPLY: - return "BOOTREPLY"; - default: - return "???"; - } -} - -const char * -message_type_text (int type) -{ - switch (type) - { - case DHCPDISCOVER: - return "DHCPDISCOVER"; - case DHCPOFFER: - return "DHCPOFFER"; - case DHCPREQUEST: - return "DHCPREQUEST"; - case DHCPDECLINE: - return "DHCPDECLINE"; - case DHCPACK: - return "DHCPACK"; - case DHCPNAK: - return "DHCPNAK"; - case DHCPRELEASE: - return "DHCPRELEASE"; - case DHCPINFORM: - return "DHCPINFORM"; - default: - return "???"; - } -} - -const char * -port_name (int port) -{ - switch (port) - { - case BOOTPS_PORT: - return "BOOTPS"; - case BOOTPC_PORT: - return "BOOTPC"; - default: - return "unknown"; - } -} - -VOID -DumpDHCP (const ETH_HEADER *eth, - const IPHDR *ip, - const UDPHDR *udp, - const DHCP *dhcp, - const int optlen) -{ - DEBUGP ((" %s", message_op_text (dhcp->op))); - DEBUGP ((" %s ", message_type_text (GetDHCPMessageType (dhcp, optlen)))); - PrIP (ip->saddr); - DEBUGP ((":%s[", port_name (ntohs (udp->source)))); - PrMac (eth->src); - DEBUGP (("] -> ")); - PrIP (ip->daddr); - DEBUGP ((":%s[", port_name (ntohs (udp->dest)))); - PrMac (eth->dest); - DEBUGP (("]")); - if (dhcp->ciaddr) - { - DEBUGP ((" ci=")); - PrIP (dhcp->ciaddr); - } - if (dhcp->yiaddr) - { - DEBUGP ((" yi=")); - PrIP (dhcp->yiaddr); - } - if (dhcp->siaddr) - { - DEBUGP ((" si=")); - PrIP (dhcp->siaddr); - } - if (dhcp->hlen == sizeof (MACADDR)) - { - DEBUGP ((" ch=")); - PrMac (dhcp->chaddr); - } - - DEBUGP ((" xid=0x%08x", ntohl (dhcp->xid))); - - if (ntohl (dhcp->magic) != 0x63825363) - DEBUGP ((" ma=0x%08x", ntohl (dhcp->magic))); - if (dhcp->htype != 1) - DEBUGP ((" htype=%d", dhcp->htype)); - if (dhcp->hops) - DEBUGP ((" hops=%d", dhcp->hops)); - if (ntohs (dhcp->secs)) - DEBUGP ((" secs=%d", ntohs (dhcp->secs))); - if (ntohs (dhcp->flags)) - DEBUGP ((" flags=0x%04x", ntohs (dhcp->flags))); - - // extra stuff - - if (ip->version_len != 0x45) - DEBUGP ((" vl=0x%02x", ip->version_len)); - if (ntohs (ip->tot_len) != sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP) + optlen) - DEBUGP ((" tl=%d", ntohs (ip->tot_len))); - if (ntohs (udp->len) != sizeof (UDPHDR) + sizeof (DHCP) + optlen) - DEBUGP ((" ul=%d", ntohs (udp->len))); - - if (ip->tos) - DEBUGP ((" tos=0x%02x", ip->tos)); - if (ntohs (ip->id)) - DEBUGP ((" id=0x%04x", ntohs (ip->id))); - if (ntohs (ip->frag_off)) - DEBUGP ((" frag_off=0x%04x", ntohs (ip->frag_off))); - - DEBUGP ((" ttl=%d", ip->ttl)); - DEBUGP ((" ic=0x%04x [0x%04x]", ntohs (ip->check), - ip_checksum ((UCHAR*)ip, sizeof (IPHDR)))); - DEBUGP ((" uc=0x%04x [0x%04x/%d]", ntohs (udp->check), - udp_checksum ((UCHAR *) udp, - sizeof (UDPHDR) + sizeof (DHCP) + optlen, - (UCHAR *) &ip->saddr, - (UCHAR *) &ip->daddr), - optlen)); - - // Options - { - const UCHAR *opt = (UCHAR *) (dhcp + 1); - int i; - - DEBUGP ((" OPT")); - for (i = 0; i < optlen; ++i) - { - const UCHAR data = opt[i]; - DEBUGP ((".%d", data)); - } - } -} - -#endif /* DBG */ - -#endif diff --git a/vsprojects/TapDriver/dhcp.h b/vsprojects/TapDriver/dhcp.h deleted file mode 100644 index 92e5ca87..00000000 --- a/vsprojects/TapDriver/dhcp.h +++ /dev/null @@ -1,168 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#if 0 - -#pragma pack(1) - -//=================================================== -// How many bad DHCPREQUESTs do we receive before we -// return a NAK? -// -// A bad DHCPREQUEST is defined to be one where the -// requestor doesn't know its IP address. -//=================================================== - -#define BAD_DHCPREQUEST_NAK_THRESHOLD 3 - -//============================================== -// Maximum number of DHCP options bytes supplied -//============================================== - -#define DHCP_USER_SUPPLIED_OPTIONS_BUFFER_SIZE 256 -#define DHCP_OPTIONS_BUFFER_SIZE 256 - -//=================================== -// UDP port numbers of DHCP messages. -//=================================== - -#define BOOTPS_PORT 67 -#define BOOTPC_PORT 68 - -//=========================== -// The DHCP message structure -//=========================== - -typedef struct { -# define BOOTREQUEST 1 -# define BOOTREPLY 2 - UCHAR op; /* message op */ - - UCHAR htype; /* hardware address type (e.g. '1' = 10Mb Ethernet) */ - UCHAR hlen; /* hardware address length (e.g. '6' for 10Mb Ethernet) */ - UCHAR hops; /* client sets to 0, may be used by relay agents */ - ULONG xid; /* transaction ID, chosen by client */ - USHORT secs; /* seconds since request process began, set by client */ - USHORT flags; - ULONG ciaddr; /* client IP address, client sets if known */ - ULONG yiaddr; /* 'your' IP address -- server's response to client */ - ULONG siaddr; /* server IP address */ - ULONG giaddr; /* relay agent IP address */ - UCHAR chaddr[16]; /* client hardware address */ - UCHAR sname[64]; /* optional server host name */ - UCHAR file[128]; /* boot file name */ - ULONG magic; /* must be 0x63825363 (network order) */ -} DHCP; - -typedef struct { - ETH_HEADER eth; - IPHDR ip; - UDPHDR udp; - DHCP dhcp; -} DHCPPre; - -typedef struct { - DHCPPre pre; - UCHAR options[DHCP_OPTIONS_BUFFER_SIZE]; -} DHCPFull; - -typedef struct { - unsigned int optlen; - BOOLEAN overflow; - DHCPFull msg; -} DHCPMsg; - -//=================== -// Macros for DHCPMSG -//=================== - -#define DHCPMSG_LEN_BASE(p) (sizeof (DHCPPre)) -#define DHCPMSG_LEN_OPT(p) ((p)->optlen) -#define DHCPMSG_LEN_FULL(p) (DHCPMSG_LEN_BASE(p) + DHCPMSG_LEN_OPT(p)) -#define DHCPMSG_BUF(p) ((UCHAR*) &(p)->msg) -#define DHCPMSG_OVERFLOW(p) ((p)->overflow) - -//======================================== -// structs to hold individual DHCP options -//======================================== - -typedef struct { - UCHAR type; -} DHCPOPT0; - -typedef struct { - UCHAR type; - UCHAR len; - UCHAR data; -} DHCPOPT8; - -typedef struct { - UCHAR type; - UCHAR len; - ULONG data; -} DHCPOPT32; - -#pragma pack() - -//================== -// DHCP Option types -//================== - -#define DHCP_MSG_TYPE 53 /* message type (u8) */ -#define DHCP_PARM_REQ 55 /* parameter request list: c1 (u8), ... */ -#define DHCP_CLIENT_ID 61 /* client ID: type (u8), i1 (u8), ... */ -#define DHCP_IP 50 /* requested IP addr (u32) */ -#define DHCP_NETMASK 1 /* subnet mask (u32) */ -#define DHCP_LEASE_TIME 51 /* lease time sec (u32) */ -#define DHCP_RENEW_TIME 58 /* renewal time sec (u32) */ -#define DHCP_REBIND_TIME 59 /* rebind time sec (u32) */ -#define DHCP_SERVER_ID 54 /* server ID: IP addr (u32) */ -#define DHCP_PAD 0 -#define DHCP_END 255 - -//==================== -// DHCP Messages types -//==================== - -#define DHCPDISCOVER 1 -#define DHCPOFFER 2 -#define DHCPREQUEST 3 -#define DHCPDECLINE 4 -#define DHCPACK 5 -#define DHCPNAK 6 -#define DHCPRELEASE 7 -#define DHCPINFORM 8 - -#if DBG - -VOID -DumpDHCP (const ETH_HEADER *eth, - const IPHDR *ip, - const UDPHDR *udp, - const DHCP *dhcp, - const int optlen); - -#endif - -#endif diff --git a/vsprojects/TapDriver/endian.h b/vsprojects/TapDriver/endian.h deleted file mode 100644 index 0f7025d5..00000000 --- a/vsprojects/TapDriver/endian.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef TAP_LITTLE_ENDIAN -#define ntohs(x) RtlUshortByteSwap(x) -#define htons(x) RtlUshortByteSwap(x) -#define ntohl(x) RtlUlongByteSwap(x) -#define htonl(x) RtlUlongByteSwap(x) -#else -#define ntohs(x) ((USHORT)(x)) -#define htons(x) ((USHORT)(x)) -#define ntohl(x) ((ULONG)(x)) -#define htonl(x) ((ULONG)(x)) -#endif diff --git a/vsprojects/TapDriver/error.c b/vsprojects/TapDriver/error.c deleted file mode 100644 index e03fd114..00000000 --- a/vsprojects/TapDriver/error.c +++ /dev/null @@ -1,387 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -//----------------- -// DEBUGGING OUTPUT -//----------------- - -const char *g_LastErrorFilename; -int g_LastErrorLineNumber; - -#if DBG - -DebugOutput g_Debug; - -BOOLEAN -NewlineExists (const char *str, int len) -{ - while (len-- > 0) - { - const char c = *str++; - if (c == '\n') - return TRUE; - else if (c == '\0') - break; - } - return FALSE; -} - -VOID -MyDebugInit (unsigned int bufsiz) -{ - NdisZeroMemory (&g_Debug, sizeof (g_Debug)); - g_Debug.text = (char *) MemAlloc (bufsiz, FALSE); - if (g_Debug.text) - g_Debug.capacity = bufsiz; -} - -VOID -MyDebugFree () -{ - if (g_Debug.text) - MemFree (g_Debug.text, g_Debug.capacity); - NdisZeroMemory (&g_Debug, sizeof (g_Debug)); -} - -VOID -MyDebugPrint (const unsigned char* format, ...) -{ - if (g_Debug.text && g_Debug.capacity > 0 && CAN_WE_PRINT) - { - BOOLEAN owned; - ACQUIRE_MUTEX_ADAPTIVE (&g_Debug.lock, owned); - if (owned) - { - const int remaining = (int)g_Debug.capacity - (int)g_Debug.out; - - if (remaining > 0) - { - va_list args; - NTSTATUS status; - char *end; - -#ifdef DBG_PRINT - va_start (args, format); - vDbgPrintEx (DPFLTR_IHVNETWORK_ID, DPFLTR_INFO_LEVEL, format, args); - va_end (args); -#endif - va_start (args, format); - status = RtlStringCchVPrintfExA (g_Debug.text + g_Debug.out, - remaining, - &end, - NULL, - STRSAFE_NO_TRUNCATION | STRSAFE_IGNORE_NULLS, - format, - args); - va_end (args); -va_start (args, format); -vDbgPrintEx(DPFLTR_IHVDRIVER_ID , 1, format, args); -va_end (args); - if (status == STATUS_SUCCESS) - g_Debug.out = (unsigned int) (end - g_Debug.text); - else - g_Debug.error = TRUE; - } - else - g_Debug.error = TRUE; - - RELEASE_MUTEX (&g_Debug.lock); - } - else - g_Debug.error = TRUE; - } -} - -BOOLEAN -GetDebugLine (char *buf, const int len) -{ - static const char *truncated = "[OUTPUT TRUNCATED]\n"; - BOOLEAN ret = FALSE; - - NdisZeroMemory (buf, len); - - if (g_Debug.text && g_Debug.capacity > 0) - { - BOOLEAN owned; - ACQUIRE_MUTEX_ADAPTIVE (&g_Debug.lock, owned); - if (owned) - { - int i = 0; - - if (g_Debug.error || NewlineExists (g_Debug.text + g_Debug.in, (int)g_Debug.out - (int)g_Debug.in)) - { - while (i < (len - 1) && g_Debug.in < g_Debug.out) - { - const char c = g_Debug.text[g_Debug.in++]; - if (c == '\n') - break; - buf[i++] = c; - } - if (i < len) - buf[i] = '\0'; - } - - if (!i) - { - if (g_Debug.in == g_Debug.out) - { - g_Debug.in = g_Debug.out = 0; - if (g_Debug.error) - { - const unsigned int tlen = strlen (truncated); - if (tlen < g_Debug.capacity) - { - NdisMoveMemory (g_Debug.text, truncated, tlen+1); - g_Debug.out = tlen; - } - g_Debug.error = FALSE; - } - } - } - else - ret = TRUE; - - RELEASE_MUTEX (&g_Debug.lock); - } - } - return ret; -} - -VOID -MyAssert (const unsigned char *file, int line) -{ - DEBUGP (("MYASSERT failed %s/%d\n", file, line)); - KeBugCheckEx (0x0F00BABA, - (ULONG_PTR) line, - (ULONG_PTR) 0, - (ULONG_PTR) 0, - (ULONG_PTR) 0); -} - -VOID -PrMac (const MACADDR mac) -{ - DEBUGP (("%x:%x:%x:%x:%x:%x", - mac[0], mac[1], mac[2], - mac[3], mac[4], mac[5])); -} - -VOID -PrIP (IPADDR ip_addr) -{ - const unsigned char *ip = (const unsigned char *) &ip_addr; - - DEBUGP (("%d.%d.%d.%d", - ip[0], ip[1], ip[2], ip[3])); -} - -const char * -PrIPProto (int proto) -{ - switch (proto) - { - case IPPROTO_UDP: - return "UDP"; - case IPPROTO_TCP: - return "TCP"; - case IPPROTO_ICMP: - return "ICMP"; - case IPPROTO_IGMP: - return "IGMP"; - default: - return "???"; - } -} - -VOID -DumpARP (const char *prefix, const ARP_PACKET *arp) -{ - DEBUGP (("%s ARP src=", prefix)); - PrMac (arp->m_MAC_Source); - DEBUGP ((" dest=")); - PrMac (arp->m_MAC_Destination); - DEBUGP ((" OP=0x%04x", - (int)ntohs(arp->m_ARP_Operation))); - DEBUGP ((" M=0x%04x(%d)", - (int)ntohs(arp->m_MAC_AddressType), - (int)arp->m_MAC_AddressSize)); - DEBUGP ((" P=0x%04x(%d)", - (int)ntohs(arp->m_PROTO_AddressType), - (int)arp->m_PROTO_AddressSize)); - - DEBUGP ((" MacSrc=")); - PrMac (arp->m_ARP_MAC_Source); - DEBUGP ((" MacDest=")); - PrMac (arp->m_ARP_MAC_Destination); - - DEBUGP ((" IPSrc=")); - PrIP (arp->m_ARP_IP_Source); - DEBUGP ((" IPDest=")); - PrIP (arp->m_ARP_IP_Destination); - - DEBUGP (("\n")); -} - -struct ethpayload { - ETH_HEADER eth; - UCHAR payload[DEFAULT_PACKET_LOOKAHEAD]; -}; - -VOID -DumpPacket2 (const char *prefix, - const ETH_HEADER *eth, - const unsigned char *data, - unsigned int len) -{ - struct ethpayload *ep = (struct ethpayload *) MemAlloc (sizeof (struct ethpayload), TRUE); - if (ep) - { - if (len > DEFAULT_PACKET_LOOKAHEAD) - len = DEFAULT_PACKET_LOOKAHEAD; - ep->eth = *eth; - NdisMoveMemory (ep->payload, data, len); - DumpPacket (prefix, (unsigned char *) ep, sizeof (ETH_HEADER) + len); - MemFree (ep, sizeof (struct ethpayload)); - } -} - -VOID -DumpPacket (const char *prefix, - const unsigned char *data, - unsigned int len) -{ - const ETH_HEADER *eth = (const ETH_HEADER *) data; - const IPHDR *ip = (const IPHDR *) (data + sizeof (ETH_HEADER)); - - if (len < sizeof (ETH_HEADER)) - { - DEBUGP (("%s TRUNCATED PACKET LEN=%d\n", prefix, len)); - return; - } - - // ARP Packet? - if (len >= sizeof (ARP_PACKET) && eth->proto == htons (ETH_P_ARP)) - { - DumpARP (prefix, (const ARP_PACKET *) data); - return; - } - - // IPv4 packet? - if (len >= (sizeof (IPHDR) + sizeof (ETH_HEADER)) - && eth->proto == htons (ETH_P_IP) - && IPH_GET_VER (ip->version_len) == 4) - { - const int hlen = IPH_GET_LEN (ip->version_len); - const int blen = len - sizeof (ETH_HEADER); - BOOLEAN did = FALSE; - - DEBUGP (("%s IPv4 %s[%d]", prefix, PrIPProto (ip->protocol), len)); - - if (!(ntohs (ip->tot_len) == blen && hlen <= blen)) - { - DEBUGP ((" XXX")); - return; - } - - // TCP packet? - if (ip->protocol == IPPROTO_TCP - && blen - hlen >= (sizeof (TCPHDR))) - { - const TCPHDR *tcp = (TCPHDR *) (data + sizeof (ETH_HEADER) + hlen); - DEBUGP ((" ")); - PrIP (ip->saddr); - DEBUGP ((":%d", ntohs (tcp->source))); - DEBUGP ((" -> ")); - PrIP (ip->daddr); - DEBUGP ((":%d", ntohs (tcp->dest))); - did = TRUE; - } - - // UDP packet? - else if ((ntohs (ip->frag_off) & IP_OFFMASK) == 0 - && ip->protocol == IPPROTO_UDP - && blen - hlen >= (sizeof (UDPHDR))) - { - const UDPHDR *udp = (UDPHDR *) (data + sizeof (ETH_HEADER) + hlen); - -#if 0 - // DHCP packet? - if ((udp->dest == htons (BOOTPC_PORT) || udp->dest == htons (BOOTPS_PORT)) - && blen - hlen >= (sizeof (UDPHDR) + sizeof (DHCP))) - { - const DHCP *dhcp = (DHCP *) (data - + hlen - + sizeof (ETH_HEADER) - + sizeof (UDPHDR)); - - int optlen = len - - sizeof (ETH_HEADER) - - hlen - - sizeof (UDPHDR) - - sizeof (DHCP); - - if (optlen < 0) - optlen = 0; - - DumpDHCP (eth, ip, udp, dhcp, optlen); - did = TRUE; - } -#endif - - if (!did) - { - DEBUGP ((" ")); - PrIP (ip->saddr); - DEBUGP ((":%d", ntohs (udp->source))); - DEBUGP ((" -> ")); - PrIP (ip->daddr); - DEBUGP ((":%d", ntohs (udp->dest))); - did = TRUE; - } - } - - if (!did) - { - DEBUGP ((" ipproto=%d ", ip->protocol)); - PrIP (ip->saddr); - DEBUGP ((" -> ")); - PrIP (ip->daddr); - } - - DEBUGP (("\n")); - return; - } - - { - DEBUGP (("%s ??? src=", prefix)); - PrMac (eth->src); - DEBUGP ((" dest=")); - PrMac (eth->dest); - DEBUGP ((" proto=0x%04x len=%d\n", - (int) ntohs(eth->proto), - len)); - } -} - -#endif diff --git a/vsprojects/TapDriver/error.h b/vsprojects/TapDriver/error.h deleted file mode 100644 index 47f436c5..00000000 --- a/vsprojects/TapDriver/error.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -//----------------- -// DEBUGGING OUTPUT -//----------------- - -#define NOTE_ERROR() \ -{ \ - g_LastErrorFilename = __FILE__; \ - g_LastErrorLineNumber = __LINE__; \ -} - -#if DBG - -typedef struct { - unsigned int in; - unsigned int out; - unsigned int capacity; - char *text; - BOOLEAN error; - MUTEX lock; -} DebugOutput; - -VOID MyDebugPrint (const unsigned char* format, ...); - -VOID MyAssert (const unsigned char *file, int line); - -VOID DumpPacket (const char *prefix, - const unsigned char *data, - unsigned int len); - -VOID DumpPacket2 (const char *prefix, - const ETH_HEADER *eth, - const unsigned char *data, - unsigned int len); - -#define CAN_WE_PRINT (DEBUGP_AT_DISPATCH || KeGetCurrentIrql () < DISPATCH_LEVEL) - -#if ALSO_DBGPRINT -#define DEBUGP(fmt) { MyDebugPrint fmt; if (CAN_WE_PRINT) DbgPrint fmt; } -#else -#define DEBUGP(fmt) { MyDebugPrint fmt; } -#endif - -#define MYASSERT(exp) \ -{ \ - if (!(exp)) \ - { \ - MyAssert(__FILE__, __LINE__); \ - } \ -} - -#define DUMP_PACKET(prefix, data, len) \ - DumpPacket (prefix, data, len) - -#define DUMP_PACKET2(prefix, eth, data, len) \ - DumpPacket2 (prefix, eth, data, len) - -#else - -#define DEBUGP(fmt) -#define MYASSERT(exp) -#define DUMP_PACKET(prefix, data, len) -#define DUMP_PACKET2(prefix, eth, data, len) - -#endif diff --git a/vsprojects/TapDriver/instance.c b/vsprojects/TapDriver/instance.c deleted file mode 100644 index 33ef878f..00000000 --- a/vsprojects/TapDriver/instance.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#define INSTANCE_KEY(a) ((PVOID)((a)->m_Extension.m_TapDevice)) - -#define N_INSTANCE_BUCKETS 256 - -typedef struct _INSTANCE { - struct _INSTANCE *next; - TapAdapterPointer m_Adapter; -} INSTANCE; - -typedef struct { - INSTANCE *list; - MUTEX lock; -} INSTANCE_BUCKET; - -typedef struct { - INSTANCE_BUCKET buckets[N_INSTANCE_BUCKETS]; -} INSTANCE_HASH; - -INSTANCE_HASH *g_InstanceHash = NULL; - -// must return a hash >= 0 and < N_INSTANCE_BUCKETS -int -InstanceHashValue (PVOID addr) -{ - UCHAR *p = (UCHAR *) &addr; - - if (sizeof (addr) == 4) - return p[0] ^ p[1] ^ p[2] ^ p[3]; - else if (sizeof (addr) == 8) - return p[0] ^ p[1] ^ p[2] ^ p[3] ^ p[4] ^ p[5] ^ p[6] ^ p[7]; - else - { - MYASSERT (0); - } -} - -BOOLEAN -InitInstanceList (VOID) -{ - MYASSERT (g_InstanceHash == NULL); - g_InstanceHash = MemAlloc (sizeof (INSTANCE_HASH), TRUE); - if (g_InstanceHash) - { - int i; - for (i = 0; i < N_INSTANCE_BUCKETS; ++i) - INIT_MUTEX (&g_InstanceHash->buckets[i].lock); - return TRUE; - } - else - return FALSE; -} - -int -NInstances (VOID) -{ - int i, n = 0; - - if (g_InstanceHash) - { - for (i = 0; i < N_INSTANCE_BUCKETS; ++i) - { - BOOLEAN got_lock; - INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[i]; - ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); - - if (got_lock) - { - INSTANCE *current; - for (current = ib->list; current != NULL; current = current->next) - ++n; - RELEASE_MUTEX (&ib->lock); - } - else - return -1; - } - } - - return n; -} - -int -InstanceMaxBucketSize (VOID) -{ - int i, n = 0; - - if (g_InstanceHash) - { - for (i = 0; i < N_INSTANCE_BUCKETS; ++i) - { - BOOLEAN got_lock; - int bucket_size = 0; - INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[i]; - ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); - - if (got_lock) - { - INSTANCE *current; - for (current = ib->list; current != NULL; current = current->next) - ++bucket_size; - if (bucket_size > n) - n = bucket_size; - RELEASE_MUTEX (&ib->lock); - } - else - return -1; - } - } - - return n; -} - -VOID -FreeInstanceList (VOID) -{ - if (g_InstanceHash) - { - MYASSERT (NInstances() == 0); - MemFree (g_InstanceHash, sizeof (INSTANCE_HASH)); - g_InstanceHash = NULL; - } -} - -BOOLEAN -AddAdapterToInstanceList (TapAdapterPointer p_Adapter) -{ - BOOLEAN got_lock; - BOOLEAN ret = FALSE; - const int hash = InstanceHashValue(INSTANCE_KEY(p_Adapter)); - INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[hash]; - - DEBUGP (("[TAP] AddAdapterToInstanceList hash=%d\n", hash)); - - ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); - - if (got_lock) - { - INSTANCE *i = MemAlloc (sizeof (INSTANCE), FALSE); - if (i) - { - MYASSERT (p_Adapter); - i->m_Adapter = p_Adapter; - i->next = ib->list; - ib->list = i; - ret = TRUE; - } - RELEASE_MUTEX (&ib->lock); - } - - return ret; -} - -BOOLEAN -RemoveAdapterFromInstanceList (TapAdapterPointer p_Adapter) -{ - BOOLEAN got_lock; - BOOLEAN ret = FALSE; - INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[InstanceHashValue(INSTANCE_KEY(p_Adapter))]; - - ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); - - if (got_lock) - { - INSTANCE *current, *prev=NULL; - for (current = ib->list; current != NULL; current = current->next) - { - if (current->m_Adapter == p_Adapter) // found match - { - if (prev) - prev->next = current->next; - else - ib->list = current->next; - MemFree (current->m_Adapter, sizeof (TapAdapter)); - MemFree (current, sizeof (INSTANCE)); - ret = TRUE; - break; - } - prev = current; - } - RELEASE_MUTEX (&ib->lock); - } - - return ret; -} - -TapAdapterPointer -LookupAdapterInInstanceList (PDEVICE_OBJECT p_DeviceObject) -{ - BOOLEAN got_lock; - TapAdapterPointer ret = NULL; - INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[InstanceHashValue((PVOID)p_DeviceObject)]; - - ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); - - if (got_lock) - { - INSTANCE *current, *prev=NULL; - for (current = ib->list; current != NULL; current = current->next) - { - if (p_DeviceObject == INSTANCE_KEY (current->m_Adapter)) // found match - { - // move it to head of list - if (prev) - { - prev->next = current->next; - current->next = ib->list; - ib->list = current; - } - ret = ib->list->m_Adapter; - break; - } - prev = current; - } - RELEASE_MUTEX (&ib->lock); - } - - return ret; -} diff --git a/vsprojects/TapDriver/lock.h b/vsprojects/TapDriver/lock.h deleted file mode 100644 index e2a2029e..00000000 --- a/vsprojects/TapDriver/lock.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -typedef struct -{ - volatile long count; -} MUTEX; - -#define MUTEX_SLEEP_TIME 10000 // microseconds - -#define INIT_MUTEX(m) { (m)->count = 0; } - -#define ACQUIRE_MUTEX_BLOCKING(m) \ -{ \ - while (NdisInterlockedIncrement (&((m)->count)) != 1) \ - { \ - NdisInterlockedDecrement(&((m)->count)); \ - NdisMSleep(MUTEX_SLEEP_TIME); \ - } \ -} - -#define RELEASE_MUTEX(m) \ -{ \ - NdisInterlockedDecrement(&((m)->count)); \ -} - -#define ACQUIRE_MUTEX_NONBLOCKING(m, result) \ -{ \ - if (NdisInterlockedIncrement (&((m)->count)) != 1) \ - { \ - NdisInterlockedDecrement(&((m)->count)); \ - result = FALSE; \ - } \ - else \ - { \ - result = TRUE; \ - } \ -} - -#define ACQUIRE_MUTEX_ADAPTIVE(m, result) \ -{ \ - result = TRUE; \ - while (NdisInterlockedIncrement (&((m)->count)) != 1) \ - { \ - NdisInterlockedDecrement(&((m)->count)); \ - if (KeGetCurrentIrql () < DISPATCH_LEVEL) \ - NdisMSleep(MUTEX_SLEEP_TIME); \ - else \ - { \ - result = FALSE; \ - break; \ - } \ - } \ -} diff --git a/vsprojects/TapDriver/macinfo.c b/vsprojects/TapDriver/macinfo.c deleted file mode 100644 index fca53079..00000000 --- a/vsprojects/TapDriver/macinfo.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "macinfo.h" - -int -HexStringToDecimalInt (const int p_Character) -{ - int l_Value = 0; - - if (p_Character >= 'A' && p_Character <= 'F') - l_Value = (p_Character - 'A') + 10; - else if (p_Character >= 'a' && p_Character <= 'f') - l_Value = (p_Character - 'a') + 10; - else if (p_Character >= '0' && p_Character <= '9') - l_Value = p_Character - '0'; - - return l_Value; -} - -BOOLEAN -ParseMAC (MACADDR dest, const char *src) -{ - int c; - int mac_index = 0; - BOOLEAN high_digit = FALSE; - int delim_action = 1; - - MYASSERT (src); - MYASSERT (dest); - - CLEAR_MAC (dest); - - while (c = *src++) - { - if (IsMacDelimiter (c)) - { - mac_index += delim_action; - high_digit = FALSE; - delim_action = 1; - } - else if (IsHexDigit (c)) - { - const int digit = HexStringToDecimalInt (c); - if (mac_index < sizeof (MACADDR)) - { - if (!high_digit) - { - dest[mac_index] = (char)(digit); - high_digit = TRUE; - delim_action = 1; - } - else - { - dest[mac_index] = (char)(dest[mac_index] * 16 + digit); - ++mac_index; - high_digit = FALSE; - delim_action = 0; - } - } - else - return FALSE; - } - else - return FALSE; - } - - return (mac_index + delim_action) >= sizeof (MACADDR); -} - -/* - * Generate a MAC using the GUID in the adapter name. - * - * The mac is constructed as 00:FF:xx:xx:xx:xx where - * the Xs are taken from the first 32 bits of the GUID in the - * adapter name. This is similar to the Linux 2.4 tap MAC - * generator, except linux uses 32 random bits for the Xs. - * - * In general, this solution is reasonable for most - * applications except for very large bridged TAP networks, - * where the probability of address collisions becomes more - * than infintesimal. - * - * Using the well-known "birthday paradox", on a 1000 node - * network the probability of collision would be - * 0.000116292153. On a 10,000 node network, the probability - * of collision would be 0.01157288998621678766. - */ - -VOID GenerateRandomMac (MACADDR mac, const unsigned char *adapter_name) -{ - unsigned const char *cp = adapter_name; - unsigned char c; - unsigned int i = 2; - unsigned int byte = 0; - int brace = 0; - int state = 0; - - CLEAR_MAC (mac); - - mac[0] = 0x00; - mac[1] = 0xFF; - - while (c = *cp++) - { - if (i >= sizeof (MACADDR)) - break; - if (c == '{') - brace = 1; - if (IsHexDigit (c) && brace) - { - const unsigned int digit = HexStringToDecimalInt (c); - if (state) - { - byte <<= 4; - byte |= digit; - mac[i++] = (unsigned char) byte; - state = 0; - } - else - { - byte = digit; - state = 1; - } - } - } -} - -VOID GenerateRelatedMAC (MACADDR dest, const MACADDR src, const int delta) -{ - COPY_MAC (dest, src); - dest[2] += (UCHAR) delta; -} diff --git a/vsprojects/TapDriver/macinfo.h b/vsprojects/TapDriver/macinfo.h deleted file mode 100644 index ba843e8c..00000000 --- a/vsprojects/TapDriver/macinfo.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef MacInfoDefined -#define MacInfoDefined - -//=================================================================================== -// Macros -//=================================================================================== -#define IsMacDelimiter(a) (a == ':' || a == '-' || a == '.') -#define IsHexDigit(c) ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f')) - -#define COPY_MAC(dest, src) NdisMoveMemory ((dest), (src), sizeof (MACADDR)) -#define CLEAR_MAC(dest) NdisZeroMemory ((dest), sizeof (MACADDR)) -#define MAC_EQUAL(a,b) (memcmp ((a), (b), sizeof (MACADDR)) == 0) - -#endif diff --git a/vsprojects/TapDriver/mem.c b/vsprojects/TapDriver/mem.c deleted file mode 100644 index c56304cc..00000000 --- a/vsprojects/TapDriver/mem.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -//------------------ -// Memory Management -//------------------ - -PVOID -MemAlloc (ULONG p_Size, BOOLEAN zero) -{ - PVOID l_Return = NULL; - - if (p_Size) - { - __try - { - if (NdisAllocateMemoryWithTag (&l_Return, p_Size, 'APAT') - == NDIS_STATUS_SUCCESS) - { - if (zero) - NdisZeroMemory (l_Return, p_Size); - } - else - l_Return = NULL; - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - l_Return = NULL; - } - } - - return l_Return; -} - -VOID -MemFree (PVOID p_Addr, ULONG p_Size) -{ - if (p_Addr && p_Size) - { - __try - { -#if DBG - NdisZeroMemory (p_Addr, p_Size); -#endif - NdisFreeMemory (p_Addr, p_Size, 0); - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - } - } -} - -/* - * Circular queue management routines. - */ - -#define QUEUE_BYTE_ALLOCATION(size) \ - (sizeof (Queue) + (size * sizeof (PVOID))) - -#define QUEUE_ADD_INDEX(var, inc) \ -{ \ - var += inc; \ - if (var >= q->capacity) \ - var -= q->capacity; \ - MYASSERT (var < q->capacity); \ -} - -#define QUEUE_SANITY_CHECK() \ - MYASSERT (q != NULL && q->base < q->capacity && q->size <= q->capacity) - -#define QueueCount(q) (q->size) - -#define UPDATE_MAX_SIZE() \ -{ \ - if (q->size > q->max_size) \ - q->max_size = q->size; \ -} - -Queue * -QueueInit (ULONG capacity) -{ - Queue *q; - - MYASSERT (capacity > 0); - q = (Queue *) MemAlloc (QUEUE_BYTE_ALLOCATION (capacity), TRUE); - if (!q) - return NULL; - - q->base = q->size = 0; - q->capacity = capacity; - q->max_size = 0; - return q; -} - -VOID -QueueFree (Queue *q) -{ - if (q) - { - QUEUE_SANITY_CHECK (); - MemFree (q, QUEUE_BYTE_ALLOCATION (q->capacity)); - } -} - -PVOID -QueuePush (Queue *q, PVOID item) -{ - ULONG dest; - QUEUE_SANITY_CHECK (); - if (q->size == q->capacity) - return NULL; - dest = q->base; - QUEUE_ADD_INDEX (dest, q->size); - q->data[dest] = item; - ++q->size; - UPDATE_MAX_SIZE(); - return item; -} - -PVOID -QueuePop (Queue *q) -{ - ULONG oldbase; - QUEUE_SANITY_CHECK (); - if (!q->size) - return NULL; - oldbase = q->base; - QUEUE_ADD_INDEX (q->base, 1); - --q->size; - UPDATE_MAX_SIZE(); - return q->data[oldbase]; -} - -PVOID -QueueExtract (Queue *q, PVOID item) -{ - ULONG src, dest, count, n; - QUEUE_SANITY_CHECK (); - n = 0; - src = dest = q->base; - count = q->size; - while (count--) - { - if (item == q->data[src]) - { - ++n; - --q->size; - } - else - { - q->data[dest] = q->data[src]; - QUEUE_ADD_INDEX (dest, 1); - } - QUEUE_ADD_INDEX (src, 1); - } - if (n) - return item; - else - return NULL; -} - -#undef QUEUE_BYTE_ALLOCATION -#undef QUEUE_ADD_INDEX -#undef QUEUE_SANITY_CHECK -#undef UPDATE_MAX_SIZE diff --git a/vsprojects/TapDriver/proto.h b/vsprojects/TapDriver/proto.h deleted file mode 100644 index 71916a96..00000000 --- a/vsprojects/TapDriver/proto.h +++ /dev/null @@ -1,224 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -//============================================================ -// MAC address, Ethernet header, and ARP -//============================================================ - -#pragma pack(1) - -#define IP_HEADER_SIZE 20 -#define IPV6_HEADER_SIZE 40 - -typedef unsigned char MACADDR [6]; -typedef unsigned long IPADDR; -typedef unsigned char IPV6ADDR [16]; - -//----------------- -// Ethernet address -//----------------- - -typedef struct { - MACADDR addr; -} ETH_ADDR; - -typedef struct { - ETH_ADDR list[NIC_MAX_MCAST_LIST]; -} MC_LIST; - -//---------------- -// Ethernet header -//---------------- - -typedef struct -{ - MACADDR dest; /* destination eth addr */ - MACADDR src; /* source ether addr */ - -# define ETH_P_IP 0x0800 /* IPv4 protocol */ -# define ETH_P_IPV6 0x86DD /* IPv6 protocol */ -# define ETH_P_ARP 0x0806 /* ARP protocol */ - USHORT proto; /* packet type ID field */ -} ETH_HEADER, *PETH_HEADER; - -//---------------- -// ARP packet -//---------------- - -typedef struct - { - MACADDR m_MAC_Destination; // Reverse these two - MACADDR m_MAC_Source; // to answer ARP requests - USHORT m_Proto; // 0x0806 - -# define MAC_ADDR_TYPE 0x0001 - USHORT m_MAC_AddressType; // 0x0001 - - USHORT m_PROTO_AddressType; // 0x0800 - UCHAR m_MAC_AddressSize; // 0x06 - UCHAR m_PROTO_AddressSize; // 0x04 - -# define ARP_REQUEST 0x0001 -# define ARP_REPLY 0x0002 - USHORT m_ARP_Operation; // 0x0001 for ARP request, 0x0002 for ARP reply - - MACADDR m_ARP_MAC_Source; - IPADDR m_ARP_IP_Source; - MACADDR m_ARP_MAC_Destination; - IPADDR m_ARP_IP_Destination; - } -ARP_PACKET, *PARP_PACKET; - -//---------- -// IP Header -//---------- - -typedef struct { -# define IPH_GET_VER(v) (((v) >> 4) & 0x0F) -# define IPH_GET_LEN(v) (((v) & 0x0F) << 2) - UCHAR version_len; - - UCHAR tos; - USHORT tot_len; - USHORT id; - -# define IP_OFFMASK 0x1fff - USHORT frag_off; - - UCHAR ttl; - -# define IPPROTO_UDP 17 /* UDP protocol */ -# define IPPROTO_TCP 6 /* TCP protocol */ -# define IPPROTO_ICMP 1 /* ICMP protocol */ -# define IPPROTO_IGMP 2 /* IGMP protocol */ - UCHAR protocol; - - USHORT check; - ULONG saddr; - ULONG daddr; - /* The options start here. */ -} IPHDR; - -//----------- -// UDP header -//----------- - -typedef struct { - USHORT source; - USHORT dest; - USHORT len; - USHORT check; -} UDPHDR; - -//-------------------------- -// TCP header, per RFC 793. -//-------------------------- - -typedef struct { - USHORT source; /* source port */ - USHORT dest; /* destination port */ - ULONG seq; /* sequence number */ - ULONG ack_seq; /* acknowledgement number */ - -# define TCPH_GET_DOFF(d) (((d) & 0xF0) >> 2) - UCHAR doff_res; - -# define TCPH_FIN_MASK (1<<0) -# define TCPH_SYN_MASK (1<<1) -# define TCPH_RST_MASK (1<<2) -# define TCPH_PSH_MASK (1<<3) -# define TCPH_ACK_MASK (1<<4) -# define TCPH_URG_MASK (1<<5) -# define TCPH_ECE_MASK (1<<6) -# define TCPH_CWR_MASK (1<<7) - UCHAR flags; - - USHORT window; - USHORT check; - USHORT urg_ptr; -} TCPHDR; - -#define TCPOPT_EOL 0 -#define TCPOPT_NOP 1 -#define TCPOPT_MAXSEG 2 -#define TCPOLEN_MAXSEG 4 - -//------------ -// IPv6 Header -//------------ - -typedef struct { - UCHAR version_prio; - UCHAR flow_lbl[3]; - USHORT payload_len; -# define IPPROTO_ICMPV6 0x3a /* ICMP protocol v6 */ - UCHAR nexthdr; - UCHAR hop_limit; - IPV6ADDR saddr; - IPV6ADDR daddr; -} IPV6HDR; - -//-------------------------------------------- -// IPCMPv6 NS/NA Packets (RFC4443 and RFC4861) -//-------------------------------------------- - -// Neighbor Solictiation - RFC 4861, 4.3 -// (this is just the ICMPv6 part of the packet) -typedef struct { - UCHAR type; -# define ICMPV6_TYPE_NS 135 // neighbour solicitation - UCHAR code; -# define ICMPV6_CODE_0 0 // no specific sub-code for NS/NA - USHORT checksum; - ULONG reserved; - IPV6ADDR target_addr; -} ICMPV6_NS; - -// Neighbor Advertisement - RFC 4861, 4.4 + 4.6/4.6.1 -// (this is just the ICMPv6 payload) -typedef struct { - UCHAR type; -# define ICMPV6_TYPE_NA 136 // neighbour advertisement - UCHAR code; -# define ICMPV6_CODE_0 0 // no specific sub-code for NS/NA - USHORT checksum; - UCHAR rso_bits; // Router(0), Solicited(2), Ovrrd(4) - UCHAR reserved[3]; - IPV6ADDR target_addr; -// always include "Target Link-layer Address" option (RFC 4861 4.6.1) - UCHAR opt_type; -#define ICMPV6_OPTION_TLLA 2 - UCHAR opt_length; -#define ICMPV6_LENGTH_TLLA 1 // multiplied by 8 -> 1 = 8 bytes - MACADDR target_macaddr; -} ICMPV6_NA; - -// this is the complete packet with Ethernet and IPv6 headers -typedef struct { - ETH_HEADER eth; - IPV6HDR ipv6; - ICMPV6_NA icmpv6; -} ICMPV6_NA_PKT; - -#pragma pack() diff --git a/vsprojects/TapDriver/prototypes.h b/vsprojects/TapDriver/prototypes.h deleted file mode 100644 index 50cc4610..00000000 --- a/vsprojects/TapDriver/prototypes.h +++ /dev/null @@ -1,260 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef TAP_PROTOTYPES_DEFINED -#define TAP_PROTOTYPES_DEFINED - -NTSTATUS DriverEntry - ( - IN PDRIVER_OBJECT p_DriverObject, - IN PUNICODE_STRING p_RegistryPath - ); - -VOID TapDriverUnload - ( - IN PDRIVER_OBJECT p_DriverObject - ); - -NDIS_STATUS AdapterCreate - ( - OUT PNDIS_STATUS p_ErrorStatus, - OUT PUINT p_MediaIndex, - IN PNDIS_MEDIUM p_Media, - IN UINT p_MediaCount, - IN NDIS_HANDLE p_AdapterHandle, - IN NDIS_HANDLE p_ConfigurationHandle - ); - -VOID AdapterHalt - ( - IN NDIS_HANDLE p_AdapterContext - ); - -VOID AdapterFreeResources - ( - TapAdapterPointer p_Adapter - ); - -NDIS_STATUS AdapterReset - ( - OUT PBOOLEAN p_AddressingReset, - IN NDIS_HANDLE p_AdapterContext - ); - -NDIS_STATUS AdapterQuery - ( - IN NDIS_HANDLE p_AdapterContext, - IN NDIS_OID p_OID, - IN PVOID p_Buffer, - IN ULONG p_BufferLength, - OUT PULONG p_BytesWritten, - OUT PULONG p_BytesNeeded - ); - -NDIS_STATUS AdapterModify - ( - IN NDIS_HANDLE p_AdapterContext, - IN NDIS_OID p_OID, - IN PVOID p_Buffer, - IN ULONG p_BufferLength, - OUT PULONG p_BytesRead, - OUT PULONG p_BytesNeeded - ); - -NDIS_STATUS AdapterTransmit - ( - IN NDIS_HANDLE p_AdapterContext, - IN PNDIS_PACKET p_Packet, - IN UINT p_Flags - ); - -NDIS_STATUS AdapterReceive - ( - OUT PNDIS_PACKET p_Packet, - OUT PUINT p_Transferred, - IN NDIS_HANDLE p_AdapterContext, - IN NDIS_HANDLE p_ReceiveContext, - IN UINT p_Offset, - IN UINT p_ToTransfer - ); - -NTSTATUS TapDeviceHook - ( - IN PDEVICE_OBJECT p_DeviceObject, - IN PIRP p_IRP - ); - -NDIS_STATUS CreateTapDevice - ( - TapExtensionPointer p_Extension, - const char *p_Name - ); - -VOID DestroyTapDevice - ( - TapExtensionPointer p_Extension - ); - -VOID TapDeviceFreeResources - ( - TapExtensionPointer p_Extension - ); - -NTSTATUS CompleteIRP - ( - IN PIRP p_IRP, - IN TapPacketPointer p_PacketBuffer, - IN CCHAR PriorityBoost - ); - -VOID CancelIRPCallback - ( - IN PDEVICE_OBJECT p_DeviceObject, - IN PIRP p_IRP - ); - -VOID CancelIRP - ( - TapExtensionPointer p_Extension, - IN PIRP p_IRP, - BOOLEAN callback - ); - -VOID FlushQueues - ( - TapExtensionPointer p_Extension - ); - -VOID ResetTapAdapterState - ( - TapAdapterPointer p_Adapter - ); - -BOOLEAN ProcessARP - ( - TapAdapterPointer p_Adapter, - const PARP_PACKET src, - const IPADDR adapter_ip, - const IPADDR ip_network, - const IPADDR ip_netmask, - const MACADDR mac - ); - -VOID SetMediaStatus - ( - TapAdapterPointer p_Adapter, - BOOLEAN state - ); - -VOID InjectPacketDeferred - ( - TapAdapterPointer p_Adapter, - UCHAR *packet, - const unsigned int len - ); - -VOID InjectPacketNow - ( - TapAdapterPointer p_Adapter, - UCHAR *packet, - const unsigned int len - ); - -// for KDEFERRED_ROUTINE and Static Driver Verifier -//#include -//KDEFERRED_ROUTINE InjectPacketDpc; - -VOID InjectPacketDpc - ( - KDPC *Dpc, - PVOID DeferredContext, - PVOID SystemArgument1, - PVOID SystemArgument2 - ); - -VOID CheckIfDhcpAndTunMode - ( - TapAdapterPointer p_Adapter - ); - -VOID HookDispatchFunctions(); - -#if ENABLE_NONADMIN - -#if defined(DDKVER_MAJOR) && DDKVER_MAJOR < 5600 -/* - * Better solution for use on Vista DDK, but possibly not compatible with - * earlier DDKs: - * - * Eliminate the definition of SECURITY_DESCRIPTOR (and even ZwSetSecurityObject), - * and at the top of tapdrv.c change: - * - * #include - * #include - * #include - * - * To - * - * #include - * #include - * #include - */ -typedef struct _SECURITY_DESCRIPTOR { - unsigned char opaque[64]; -} SECURITY_DESCRIPTOR; - -NTSYSAPI -NTSTATUS -NTAPI -ZwSetSecurityObject ( - IN HANDLE Handle, - IN SECURITY_INFORMATION SecurityInformation, - IN PSECURITY_DESCRIPTOR SecurityDescriptor); - -#endif - -VOID AllowNonAdmin (TapExtensionPointer p_Extension); - -#endif - -struct WIN2K_NDIS_MINIPORT_BLOCK -{ - unsigned char opaque[16]; - UNICODE_STRING MiniportName; // how mini-port refers to us -}; - -#if PACKET_TRUNCATION_CHECK - -VOID IPv4PacketSizeVerify - ( - const UCHAR *data, - ULONG length, - BOOLEAN tun, - const char *prefix, - LONG *counter - ); - -#endif - -#endif diff --git a/vsprojects/TapDriver/tap-windows.h b/vsprojects/TapDriver/tap-windows.h deleted file mode 100644 index ff1baf17..00000000 --- a/vsprojects/TapDriver/tap-windows.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef __TAP_WIN_H -#define __TAP_WIN_H - -/* - * ============= - * TAP IOCTLs - * ============= - */ - -#define TAP_WIN_CONTROL_CODE(request,method) \ - CTL_CODE (FILE_DEVICE_UNKNOWN, request, method, FILE_ANY_ACCESS) - -/* Present in 8.1 */ - -#define TAP_WIN_IOCTL_GET_MAC TAP_WIN_CONTROL_CODE (1, METHOD_BUFFERED) -#define TAP_WIN_IOCTL_GET_VERSION TAP_WIN_CONTROL_CODE (2, METHOD_BUFFERED) -#define TAP_WIN_IOCTL_GET_MTU TAP_WIN_CONTROL_CODE (3, METHOD_BUFFERED) -#define TAP_WIN_IOCTL_GET_INFO TAP_WIN_CONTROL_CODE (4, METHOD_BUFFERED) -//#define TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT TAP_WIN_CONTROL_CODE (5, METHOD_BUFFERED) -#define TAP_WIN_IOCTL_SET_MEDIA_STATUS TAP_WIN_CONTROL_CODE (6, METHOD_BUFFERED) -//#define TAP_WIN_IOCTL_CONFIG_DHCP_MASQ TAP_WIN_CONTROL_CODE (7, METHOD_BUFFERED) -#define TAP_WIN_IOCTL_GET_LOG_LINE TAP_WIN_CONTROL_CODE (8, METHOD_BUFFERED) -//#define TAP_WIN_IOCTL_CONFIG_DHCP_SET_OPT TAP_WIN_CONTROL_CODE (9, METHOD_BUFFERED) - -/* Added in 8.2 */ - -/* obsoletes TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT */ -//#define TAP_WIN_IOCTL_CONFIG_TUN TAP_WIN_CONTROL_CODE (10, METHOD_BUFFERED) - -/* - * ================= - * Registry keys - * ================= - */ - -#define ADAPTER_KEY "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}" -#define NETWORK_CONNECTIONS_KEY "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}" - -/* - * ====================== - * Filesystem prefixes - * ====================== - */ - -#define USERMODEDEVICEDIR "\\\\.\\Global\\" -#define SYSDEVICEDIR "\\Device\\" -#define USERDEVICEDIR "\\DosDevices\\Global\\" -#define TAP_WIN_SUFFIX ".tap" - -#endif diff --git a/vsprojects/TapDriver/tapdrvr.c b/vsprojects/TapDriver/tapdrvr.c deleted file mode 100644 index 4781c872..00000000 --- a/vsprojects/TapDriver/tapdrvr.c +++ /dev/null @@ -1,3173 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -//====================================================== -// This driver is designed to work on Win 2000 or higher -// versions of Windows. -// -// It is SMP-safe and handles NDIS 5 power management. -// -// By default we operate as a "tap" virtual ethernet -// 802.3 interface, but we can emulate a "tun" -// interface (point-to-point IPv4) through the -// TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT or -// TAP_WIN_IOCTL_CONFIG_TUN ioctl. -//====================================================== - -#include "tap-windows.h" -#include "config.h" - -#define NDIS_MINIPORT_DRIVER -#define BINARY_COMPATIBLE 0 -#define NDIS50_MINIPORT 1 -#define NDIS_WDM 0 -#define NDIS50 1 -#define NTSTRSAFE_LIB - -// Debug info output -#define ALSO_DBGPRINT 1 -#define DEBUGP_AT_DISPATCH 0 - -//======================================================== -// Check for truncated IPv4 packets, log errors if found. -//======================================================== -#define PACKET_TRUNCATION_CHECK 0 - -//======================================================== -// EXPERIMENTAL -- Configure TAP device object to be -// accessible from non-administrative accounts, based -// on an advanced properties setting. -// -// Duplicates the functionality of OpenVPN's -// --allow-nonadmin directive. -//======================================================== -//#define ENABLE_NONADMIN 1 - -#if defined(DDKVER_MAJOR) && DDKVER_MAJOR < 5600 -#include -#include -#include -#else -#include -#include -#include -#endif - -#include "lock.h" -#include "constants.h" -#include "proto.h" -#include "error.h" -#include "endian.h" -#include "dhcp.h" -#include "types.h" -#include "prototypes.h" - -#include "mem.c" -#include "macinfo.c" -#include "error.c" -#include "dhcp.c" -#include "instance.c" - -#define IS_UP(ta) \ - ((ta)->m_InterfaceIsRunning && (ta)->m_Extension.m_TapIsRunning) - -#define INCREMENT_STAT(s) ++(s) - -#define NAME_BUFFER_SIZE 80 - -//======================================================== -// Globals -//======================================================== - -NDIS_HANDLE g_NdisWrapperHandle; - -const UINT g_SupportedOIDList[] = { - OID_GEN_HARDWARE_STATUS, - OID_GEN_MEDIA_SUPPORTED, - OID_GEN_MEDIA_IN_USE, - OID_GEN_MAXIMUM_LOOKAHEAD, - OID_GEN_MAC_OPTIONS, - OID_GEN_LINK_SPEED, - OID_GEN_TRANSMIT_BLOCK_SIZE, - OID_GEN_RECEIVE_BLOCK_SIZE, - OID_GEN_VENDOR_DESCRIPTION, - OID_GEN_DRIVER_VERSION, - OID_GEN_XMIT_OK, - OID_GEN_RCV_OK, - OID_GEN_XMIT_ERROR, - OID_GEN_RCV_ERROR, - OID_802_3_PERMANENT_ADDRESS, - OID_802_3_CURRENT_ADDRESS, - OID_GEN_RCV_NO_BUFFER, - OID_802_3_RCV_ERROR_ALIGNMENT, - OID_802_3_XMIT_ONE_COLLISION, - OID_802_3_XMIT_MORE_COLLISIONS, - OID_802_3_MULTICAST_LIST, - OID_802_3_MAXIMUM_LIST_SIZE, - OID_GEN_VENDOR_ID, - OID_GEN_CURRENT_LOOKAHEAD, - OID_GEN_CURRENT_PACKET_FILTER, - OID_GEN_PROTOCOL_OPTIONS, - OID_GEN_MAXIMUM_TOTAL_SIZE, - OID_GEN_TRANSMIT_BUFFER_SPACE, - OID_GEN_RECEIVE_BUFFER_SPACE, - OID_GEN_MAXIMUM_FRAME_SIZE, - OID_GEN_VENDOR_DRIVER_VERSION, - OID_GEN_MAXIMUM_SEND_PACKETS, - OID_GEN_MEDIA_CONNECT_STATUS, - OID_GEN_SUPPORTED_LIST -}; - -//============================================================ -// Driver Entry -//============================================================ -#pragma NDIS_INIT_FUNCTION (DriverEntry) - -DRIVER_INITIALIZE DriverEntry; -NTSTATUS -DriverEntry (IN PDRIVER_OBJECT p_DriverObject, - IN PUNICODE_STRING p_RegistryPath) -{ - NDIS_STATUS l_Status = NDIS_STATUS_FAILURE; - NDIS_MINIPORT_CHARACTERISTICS *l_Properties = NULL; - - //======================================================== - // Notify NDIS that a new miniport driver is initializing. - //======================================================== - - NdisMInitializeWrapper (&g_NdisWrapperHandle, - p_DriverObject, - p_RegistryPath, NULL); - - //====================== - // Global initialization - //====================== - -#if DBG - MyDebugInit (10000); // Allocate debugging text space -#endif - - if (!InitInstanceList ()) - { - DEBUGP (("[TAP] Allocation failed for adapter instance list\n")); - goto cleanup; - } - - //======================================= - // Set and register miniport entry points - //======================================= - - l_Properties = MemAlloc (sizeof (NDIS_MINIPORT_CHARACTERISTICS), TRUE); - - if (l_Properties == NULL) - { - DEBUGP (("[TAP] Allocation failed for miniport entry points\n")); - goto cleanup; - } - - l_Properties->MajorNdisVersion = TAP_NDIS_MAJOR_VERSION; - l_Properties->MinorNdisVersion = TAP_NDIS_MINOR_VERSION; - l_Properties->InitializeHandler = AdapterCreate; - l_Properties->HaltHandler = AdapterHalt; - l_Properties->ResetHandler = AdapterReset; /* DISPATCH_LEVEL */ - l_Properties->TransferDataHandler = AdapterReceive; /* DISPATCH_LEVEL */ - l_Properties->SendHandler = AdapterTransmit; /* DISPATCH_LEVEL */ - l_Properties->QueryInformationHandler = AdapterQuery; /* DISPATCH_LEVEL */ - l_Properties->SetInformationHandler = AdapterModify; /* DISPATCH_LEVEL */ - - switch (l_Status = - NdisMRegisterMiniport (g_NdisWrapperHandle, l_Properties, - sizeof (NDIS_MINIPORT_CHARACTERISTICS))) - { - case NDIS_STATUS_SUCCESS: - { - DEBUGP (("[TAP] version [%d.%d] %s %s registered miniport successfully\n", - TAP_DRIVER_MAJOR_VERSION, - TAP_DRIVER_MINOR_VERSION, - __DATE__, - __TIME__)); - DEBUGP (("Registry Path: '%.*S'\n", p_RegistryPath->Length/2, p_RegistryPath->Buffer)); - break; - } - - case NDIS_STATUS_BAD_CHARACTERISTICS: - { - DEBUGP (("[TAP] Miniport characteristics were badly defined\n")); - NdisTerminateWrapper (g_NdisWrapperHandle, NULL); - break; - } - - case NDIS_STATUS_BAD_VERSION: - { - DEBUGP - (("[TAP] NDIS Version is wrong for the given characteristics\n")); - NdisTerminateWrapper (g_NdisWrapperHandle, NULL); - break; - } - - case NDIS_STATUS_RESOURCES: - { - DEBUGP (("[TAP] Insufficient resources\n")); - NdisTerminateWrapper (g_NdisWrapperHandle, NULL); - break; - } - - default: - case NDIS_STATUS_FAILURE: - { - DEBUGP (("[TAP] Unknown fatal registration error\n")); - NdisTerminateWrapper (g_NdisWrapperHandle, NULL); - break; - } - } - - cleanup: - if (l_Properties) - MemFree (l_Properties, sizeof (NDIS_MINIPORT_CHARACTERISTICS)); - - if (l_Status == NDIS_STATUS_SUCCESS) - NdisMRegisterUnloadHandler (g_NdisWrapperHandle, TapDriverUnload); - else - TapDriverUnload (p_DriverObject); - - return l_Status; -} - -//============================================================ -// Driver Unload -//============================================================ -DRIVER_UNLOAD TapDriverUnload; -VOID -TapDriverUnload (IN PDRIVER_OBJECT p_DriverObject) -{ - DEBUGP (("[TAP] version [%d.%d] %s %s unloaded, instances=%d, imbs=%d\n", - TAP_DRIVER_MAJOR_VERSION, - TAP_DRIVER_MINOR_VERSION, - __DATE__, - __TIME__, - NInstances(), - InstanceMaxBucketSize())); - - FreeInstanceList (); - - //============================== - // Free debugging text space - //============================== -#if DBG - MyDebugFree (); -#endif -} - -//========================================================== -// Adapter Initialization -//========================================================== -NDIS_STATUS AdapterCreate -(OUT PNDIS_STATUS p_ErrorStatus, - OUT PUINT p_MediaIndex, - IN PNDIS_MEDIUM p_Media, - IN UINT p_MediaCount, - IN NDIS_HANDLE p_AdapterHandle, - IN NDIS_HANDLE p_ConfigurationHandle) -{ - TapAdapterPointer l_Adapter = NULL; - - NDIS_MEDIUM l_PreferredMedium = NdisMedium802_3; // Ethernet - BOOLEAN l_MacFromRegistry = FALSE; - UINT l_Index; - NDIS_STATUS status; - -#if ENABLE_NONADMIN - BOOLEAN enable_non_admin = FALSE; -#endif - - DEBUGP (("[TAP] AdapterCreate called\n")); - - //==================================== - // Make sure adapter type is supported - //==================================== - - for (l_Index = 0; - l_Index < p_MediaCount && p_Media[l_Index] != l_PreferredMedium; - ++l_Index); - - if (l_Index == p_MediaCount) - { - DEBUGP (("[TAP] Unsupported adapter type [wanted: %d]\n", - l_PreferredMedium)); - return NDIS_STATUS_UNSUPPORTED_MEDIA; - } - - *p_MediaIndex = l_Index; - - //========================================= - // Allocate memory for TapAdapter structure - //========================================= - - l_Adapter = MemAlloc (sizeof (TapAdapter), TRUE); - - if (l_Adapter == NULL) - { - DEBUGP (("[TAP] Couldn't allocate adapter memory\n")); - return NDIS_STATUS_RESOURCES; - } - - //========================================== - // Inform the NDIS library about significant - // features of our virtual NIC. - //========================================== - - NdisMSetAttributesEx - (p_AdapterHandle, - (NDIS_HANDLE) l_Adapter, - 16, - NDIS_ATTRIBUTE_DESERIALIZE - | NDIS_ATTRIBUTE_IGNORE_PACKET_TIMEOUT - | NDIS_ATTRIBUTE_IGNORE_REQUEST_TIMEOUT - | NDIS_ATTRIBUTE_NO_HALT_ON_SUSPEND, - NdisInterfaceInternal); - - //===================================== - // Initialize simple Adapter parameters - //===================================== - - l_Adapter->m_Lookahead = DEFAULT_PACKET_LOOKAHEAD; - l_Adapter->m_Medium = l_PreferredMedium; - l_Adapter->m_DeviceState = '?'; - l_Adapter->m_MiniportAdapterHandle = p_AdapterHandle; - - //================================== - // Allocate spinlock for controlling - // access to multicast address list. - //================================== - NdisAllocateSpinLock (&l_Adapter->m_MCLock); - l_Adapter->m_MCLockAllocated = TRUE; - - //==================================================== - // Register a shutdown handler which will be called - // on system restart/shutdown to halt our virtual NIC. - //==================================================== - - NdisMRegisterAdapterShutdownHandler (p_AdapterHandle, l_Adapter, - AdapterHalt); - l_Adapter->m_RegisteredAdapterShutdownHandler = TRUE; - - //============================================ - // Get parameters from registry which were set - // in the adapter advanced properties dialog. - //============================================ - { - NDIS_STATUS status; - NDIS_HANDLE configHandle; - NDIS_CONFIGURATION_PARAMETER *parm; - - // set defaults in case our registry query fails - l_Adapter->m_MTU = ETHERNET_MTU; - l_Adapter->m_MediaStateAlwaysConnected = FALSE; - l_Adapter->m_MediaState = FALSE; - - NdisOpenConfiguration (&status, &configHandle, p_ConfigurationHandle); - if (status != NDIS_STATUS_SUCCESS) - { - DEBUGP (("[TAP] Couldn't open adapter registry\n")); - AdapterFreeResources (l_Adapter); - return status; - } - - //==================================== - // Allocate and construct adapter name - //==================================== - { - - NDIS_STRING mkey = NDIS_STRING_CONST("MiniportName"); - NDIS_STRING vkey = NDIS_STRING_CONST("NdisVersion"); - NDIS_STATUS vstatus; - NDIS_CONFIGURATION_PARAMETER *vparm; - - NdisReadConfiguration (&vstatus, &vparm, configHandle, &vkey, NdisParameterInteger); - if (vstatus == NDIS_STATUS_SUCCESS) - DEBUGP (("[TAP] NdisReadConfiguration NdisVersion=%X\n", vparm->ParameterData.IntegerData)); - - NdisReadConfiguration (&status, &parm, configHandle, &mkey, NdisParameterString); - if (status == NDIS_STATUS_SUCCESS) - { - if (parm->ParameterType == NdisParameterString) - { - DEBUGP (("[TAP] NdisReadConfiguration (MiniportName=%.*S)\n", - parm->ParameterData.StringData.Length/2, - parm->ParameterData.StringData.Buffer)); - - if (RtlUnicodeStringToAnsiString ( - &l_Adapter->m_NameAnsi, - &parm->ParameterData.StringData, - TRUE) != STATUS_SUCCESS) - { - DEBUGP (("[TAP] MiniportName failed\n")); - status = NDIS_STATUS_RESOURCES; - } - } - } - else - { - /* "MiniportName" is available only XP and above. Not on Windows 2000. */ - if (vstatus == NDIS_STATUS_SUCCESS && vparm->ParameterData.IntegerData == 0x50000) - { - /* Fallback for Windows 2000 with NDIS version 5.00.00 - Don't use this on Vista, 'NDIS_MINIPORT_BLOCK' was changed! */ - if (RtlUnicodeStringToAnsiString (&l_Adapter->m_NameAnsi, - &((struct WIN2K_NDIS_MINIPORT_BLOCK *) p_AdapterHandle)->MiniportName, - TRUE) != STATUS_SUCCESS) - { - DEBUGP (("[TAP] MiniportName (W2K) failed\n")); - status = NDIS_STATUS_RESOURCES; - } - else - { - DEBUGP (("[TAP] MiniportName (W2K) succeeded: %s\n", l_Adapter->m_NameAnsi.Buffer)); - status = NDIS_STATUS_SUCCESS; - } - } - } - } - - /* Can't continue without name (see macro 'NAME') */ - if (status != NDIS_STATUS_SUCCESS || !l_Adapter->m_NameAnsi.Buffer) - { - NdisCloseConfiguration (configHandle); - AdapterFreeResources (l_Adapter); - DEBUGP (("[TAP] failed to get miniport name\n")); - return NDIS_STATUS_RESOURCES; - } - - /* Read MTU setting from registry */ - { - NDIS_STRING key = NDIS_STRING_CONST("MTU"); - NdisReadConfiguration (&status, &parm, configHandle, - &key, NdisParameterInteger); - if (status == NDIS_STATUS_SUCCESS) - { - if (parm->ParameterType == NdisParameterInteger) - { - int mtu = parm->ParameterData.IntegerData; - if (mtu < MINIMUM_MTU) - mtu = MINIMUM_MTU; - if (mtu > MAXIMUM_MTU) - mtu = MAXIMUM_MTU; - l_Adapter->m_MTU = mtu; - } - } - } - - /* Read Media Status setting from registry */ - { - NDIS_STRING key = NDIS_STRING_CONST("MediaStatus"); - NdisReadConfiguration (&status, &parm, configHandle, - &key, NdisParameterInteger); - if (status == NDIS_STATUS_SUCCESS) - { - if (parm->ParameterType == NdisParameterInteger) - { - if (parm->ParameterData.IntegerData) - { - l_Adapter->m_MediaStateAlwaysConnected = TRUE; - l_Adapter->m_MediaState = TRUE; - } - } - } - } - -#if ENABLE_NONADMIN - /* Read AllowNonAdmin setting from registry */ - { - NDIS_STRING key = NDIS_STRING_CONST("AllowNonAdmin"); - NdisReadConfiguration (&status, &parm, configHandle, - &key, NdisParameterInteger); - if (status == NDIS_STATUS_SUCCESS) - { - if (parm->ParameterType == NdisParameterInteger) - { - if (parm->ParameterData.IntegerData) - { - enable_non_admin = TRUE; - } - } - } - } -#endif - - /* Read optional MAC setting from registry */ - { - NDIS_STRING key = NDIS_STRING_CONST("MAC"); - ANSI_STRING mac_string; - NdisReadConfiguration (&status, &parm, configHandle, - &key, NdisParameterString); - if (status == NDIS_STATUS_SUCCESS) - { - if (parm->ParameterType == NdisParameterString) - { - if (RtlUnicodeStringToAnsiString (&mac_string, &parm->ParameterData.StringData, TRUE) == STATUS_SUCCESS) - { - l_MacFromRegistry = ParseMAC (l_Adapter->m_MAC, mac_string.Buffer); - RtlFreeAnsiString (&mac_string); - } - } - } - } - - NdisCloseConfiguration (configHandle); - - DEBUGP (("[%s] MTU=%d\n", NAME (l_Adapter), l_Adapter->m_MTU)); - } - - //================================== - // Store and update MAC address info - //================================== - - if (!l_MacFromRegistry) - GenerateRandomMac (l_Adapter->m_MAC, NAME (l_Adapter)); - - DEBUGP (("[%s] Using MAC %x:%x:%x:%x:%x:%x\n", - NAME (l_Adapter), - l_Adapter->m_MAC[0], l_Adapter->m_MAC[1], l_Adapter->m_MAC[2], - l_Adapter->m_MAC[3], l_Adapter->m_MAC[4], l_Adapter->m_MAC[5])); - -#if 0 - //================== - // Set broadcast MAC - //================== - { - int i; - for (i = 0; i < sizeof (MACADDR); ++i) - l_Adapter->m_MAC_Broadcast[i] = 0xFF; - } -#endif - - //==================================== - // Initialize TAP device - //==================================== - { - NDIS_STATUS tap_status; - tap_status = CreateTapDevice (&l_Adapter->m_Extension, NAME (l_Adapter)); - if (tap_status != NDIS_STATUS_SUCCESS) - { - AdapterFreeResources (l_Adapter); - DEBUGP (("[TAP] CreateTapDevice failed\n")); - return tap_status; - } - } - - if (!AddAdapterToInstanceList (l_Adapter)) - { - NOTE_ERROR (); - TapDeviceFreeResources (&l_Adapter->m_Extension); - AdapterFreeResources (l_Adapter); - DEBUGP (("[TAP] AddAdapterToInstanceList failed\n")); - return NDIS_STATUS_RESOURCES; - } - - l_Adapter->m_InterfaceIsRunning = TRUE; - -#if ENABLE_NONADMIN - if (enable_non_admin) - AllowNonAdmin (&l_Adapter->m_Extension); -#endif - - return NDIS_STATUS_SUCCESS; -} - -VOID -AdapterHalt (IN NDIS_HANDLE p_AdapterContext) -{ - BOOLEAN status; - - TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; - - NOTE_ERROR (); - - l_Adapter->m_InterfaceIsRunning = FALSE; - - DEBUGP (("[%s] is being halted\n", NAME (l_Adapter))); - - DestroyTapDevice (&l_Adapter->m_Extension); - - // Free resources - DEBUGP (("[%s] Freeing Resources\n", NAME (l_Adapter))); - AdapterFreeResources (l_Adapter); - - status = RemoveAdapterFromInstanceList (l_Adapter); - DEBUGP (("[TAP] RemoveAdapterFromInstanceList returned %d\n", (int) status)); - - DEBUGP (("[TAP] version [%d.%d] %s %s AdapterHalt returning\n", - TAP_DRIVER_MAJOR_VERSION, - TAP_DRIVER_MINOR_VERSION, - __DATE__, - __TIME__)); -} - -VOID -AdapterFreeResources (TapAdapterPointer p_Adapter) -{ - MYASSERT (!p_Adapter->m_CalledAdapterFreeResources); - p_Adapter->m_CalledAdapterFreeResources = TRUE; - - if (p_Adapter->m_NameAnsi.Buffer) - RtlFreeAnsiString (&p_Adapter->m_NameAnsi); - - if (p_Adapter->m_RegisteredAdapterShutdownHandler) - NdisMDeregisterAdapterShutdownHandler (p_Adapter->m_MiniportAdapterHandle); - - if (p_Adapter->m_MCLockAllocated) - NdisFreeSpinLock (&p_Adapter->m_MCLock); -} - -VOID -DestroyTapDevice (TapExtensionPointer p_Extension) -{ - DEBUGP (("[%s] Destroying tap device\n", p_Extension->m_TapName)); - - //====================================== - // Let clients know we are shutting down - //====================================== - p_Extension->m_TapIsRunning = FALSE; - p_Extension->m_TapOpens = 0; - p_Extension->m_Halt = TRUE; - - //===================================== - // If we are concurrently executing in - // TapDeviceHook or AdapterTransmit, - // give those calls time to finish. - // Note that we must be running at IRQL - // < DISPATCH_LEVEL in order to call - // NdisMSleep. - //===================================== - NdisMSleep (500000); - - //=========================================================== - // Exhaust IRP and packet queues. Any pending IRPs will - // be cancelled, causing user-space to get this error - // on overlapped reads: - // The I/O operation has been aborted because of either a - // thread exit or an application request. (code=995) - // It's important that user-space close the device handle - // when this code is returned, so that when we finally - // do a NdisMDeregisterDevice, the device reference count - // is 0. Otherwise the driver will not unload even if the - // the last adapter has been halted. - //=========================================================== - FlushQueues (p_Extension); - NdisMSleep (500000); // give user space time to respond to IRP cancel - - TapDeviceFreeResources (p_Extension); -} - -VOID -TapDeviceFreeResources (TapExtensionPointer p_Extension) -{ - MYASSERT (p_Extension); - MYASSERT (!p_Extension->m_CalledTapDeviceFreeResources); - p_Extension->m_CalledTapDeviceFreeResources = TRUE; - - if (p_Extension->m_PacketQueue) - QueueFree (p_Extension->m_PacketQueue); - if (p_Extension->m_IrpQueue) - QueueFree (p_Extension->m_IrpQueue); - if (p_Extension->m_InjectQueue) - QueueFree (p_Extension->m_InjectQueue); - - if (p_Extension->m_CreatedUnicodeLinkName) - RtlFreeUnicodeString (&p_Extension->m_UnicodeLinkName); - - //========================================================== - // According to DDK docs, the device is not actually deleted - // until its reference count falls to zero. That means we - // still need to gracefully fail TapDeviceHook requests - // after this point, otherwise ugly things would happen if - // the device was disabled (e.g. in the network connections - // control panel) while a userspace app still held an open - // file handle to it. - //========================================================== - - if (p_Extension->m_TapDevice) - { - BOOLEAN status; - status = (NdisMDeregisterDevice (p_Extension->m_TapDeviceHandle) - == NDIS_STATUS_SUCCESS); - DEBUGP (("[TAP] Deregistering TAP device, status=%d\n", (int)status)); - } - - if (p_Extension->m_TapName) - MemFree (p_Extension->m_TapName, NAME_BUFFER_SIZE); - - if (p_Extension->m_InjectDpcInitialized) - KeRemoveQueueDpc (&p_Extension->m_InjectDpc); - - if (p_Extension->m_AllocatedSpinlocks) - { - NdisFreeSpinLock (&p_Extension->m_QueueLock); - NdisFreeSpinLock (&p_Extension->m_InjectLock); - } -} - -//======================================================================== -// Tap Device Initialization -//======================================================================== - -NDIS_STATUS -CreateTapDevice (TapExtensionPointer p_Extension, const char *p_Name) -{ -# define SIZEOF_DISPATCH (sizeof(PDRIVER_DISPATCH) * (IRP_MJ_MAXIMUM_FUNCTION + 1)) - PDRIVER_DISPATCH *l_Dispatch = NULL; - ANSI_STRING l_TapString, l_LinkString; - UNICODE_STRING l_TapUnicode; - BOOLEAN l_FreeTapUnicode = FALSE; - NTSTATUS l_Status, l_Return = NDIS_STATUS_SUCCESS; - const char *l_UsableName; - - DEBUGP (("[TAP] version [%d.%d] creating tap device: %s\n", - TAP_DRIVER_MAJOR_VERSION, - TAP_DRIVER_MINOR_VERSION, - p_Name)); - - NdisZeroMemory (p_Extension, sizeof (TapExtension)); - - INIT_MUTEX (&p_Extension->m_OpenCloseMutex); - - l_LinkString.Buffer = NULL; - l_TapString.Buffer = NULL; - - l_TapString.MaximumLength = l_LinkString.MaximumLength = NAME_BUFFER_SIZE; - - //======================================= - // Set TAP device entry points - //======================================= - - if ((l_Dispatch = MemAlloc (SIZEOF_DISPATCH, TRUE)) == NULL) - { - DEBUGP (("[%s] couldn't alloc TAP dispatch table\n", p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - - l_Dispatch[IRP_MJ_DEVICE_CONTROL] = TapDeviceHook; - l_Dispatch[IRP_MJ_READ] = TapDeviceHook; - l_Dispatch[IRP_MJ_WRITE] = TapDeviceHook; - l_Dispatch[IRP_MJ_CREATE] = TapDeviceHook; - l_Dispatch[IRP_MJ_CLOSE] = TapDeviceHook; - - //================================== - // Find the beginning of the GUID - //================================== - l_UsableName = p_Name; - while (*l_UsableName != '{') - { - if (*l_UsableName == '\0') - { - DEBUGP (("[%s] couldn't find leading '{' in name\n", p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - ++l_UsableName; - } - - //================================== - // Allocate pool for TAP device name - //================================== - - if ((p_Extension->m_TapName = l_TapString.Buffer = - MemAlloc (NAME_BUFFER_SIZE, TRUE)) == NULL) - { - DEBUGP (("[%s] couldn't alloc TAP name buffer\n", p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - - //================================================ - // Allocate pool for TAP symbolic link name buffer - //================================================ - - if ((l_LinkString.Buffer = - MemAlloc (NAME_BUFFER_SIZE, TRUE)) == NULL) - { - DEBUGP (("[%s] couldn't alloc TAP symbolic link name buffer\n", - p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - - //======================================================= - // Set TAP device name - //======================================================= - - l_Status = RtlStringCchPrintfExA - (l_TapString.Buffer, - l_TapString.MaximumLength, - NULL, - NULL, - STRSAFE_FILL_BEHIND_NULL | STRSAFE_IGNORE_NULLS, - "%s%s%s", - SYSDEVICEDIR, - l_UsableName, - TAP_WIN_SUFFIX); - - if (l_Status != STATUS_SUCCESS) - { - DEBUGP (("[%s] couldn't format TAP device name\n", - p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - l_TapString.Length = (USHORT) strlen (l_TapString.Buffer); - - DEBUGP (("TAP DEV NAME: '%s'\n", l_TapString.Buffer)); - - //======================================================= - // Set TAP link name - //======================================================= - - l_Status = RtlStringCchPrintfExA - (l_LinkString.Buffer, - l_LinkString.MaximumLength, - NULL, - NULL, - STRSAFE_FILL_BEHIND_NULL | STRSAFE_IGNORE_NULLS, - "%s%s%s", - USERDEVICEDIR, - l_UsableName, - TAP_WIN_SUFFIX); - - if (l_Status != STATUS_SUCCESS) - { - DEBUGP (("[%s] couldn't format TAP device symbolic link\n", - p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - l_LinkString.Length = (USHORT) strlen (l_LinkString.Buffer); - - DEBUGP (("TAP LINK NAME: '%s'\n", l_LinkString.Buffer)); - - //================================================== - // Convert strings to unicode - //================================================== - if (RtlAnsiStringToUnicodeString (&l_TapUnicode, &l_TapString, TRUE) != - STATUS_SUCCESS) - { - DEBUGP (("[%s] couldn't alloc TAP unicode name buffer\n", - p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - l_FreeTapUnicode = TRUE; - - if (RtlAnsiStringToUnicodeString - (&p_Extension->m_UnicodeLinkName, &l_LinkString, TRUE) - != STATUS_SUCCESS) - { - DEBUGP - (("[%s] Couldn't allocate unicode string for symbolic link name\n", - p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - p_Extension->m_CreatedUnicodeLinkName = TRUE; - - //================================================== - // Create new TAP device with symbolic - // link and associate with adapter. - //================================================== - - l_Status = NdisMRegisterDevice - (g_NdisWrapperHandle, - &l_TapUnicode, - &p_Extension->m_UnicodeLinkName, - l_Dispatch, - &p_Extension->m_TapDevice, - &p_Extension->m_TapDeviceHandle - ); - - if (l_Status != STATUS_SUCCESS) - { - DEBUGP (("[%s] couldn't be created\n", p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - - /* Set TAP device flags */ - p_Extension->m_TapDevice->Flags |= DO_DIRECT_IO; - - //======================================================== - // Initialize Packet and IRP queues. - // - // The packet queue is used to buffer data which has been - // "transmitted" by the virtual NIC, before user space - // has had a chance to read it. - // - // The IRP queue is used to buffer pending I/O requests - // from userspace, i.e. read requests on the TAP device - // waiting for the system to "transmit" something through - // the virtual NIC. - // - // Basically, packets in the packet queue are used - // to satisfy IRP requests in the IRP queue. - // - // QueueLock is used to lock the packet queue used - // for the TAP-Windows NIC -> User Space packet flow direction. - // - // All accesses to packet or IRP queues should be - // bracketed by the QueueLock spinlock, - // in order to be SMP-safe. - //======================================================== - - NdisAllocateSpinLock (&p_Extension->m_QueueLock); - NdisAllocateSpinLock (&p_Extension->m_InjectLock); - p_Extension->m_AllocatedSpinlocks = TRUE; - - p_Extension->m_PacketQueue = QueueInit (PACKET_QUEUE_SIZE); - p_Extension->m_IrpQueue = QueueInit (IRP_QUEUE_SIZE); - p_Extension->m_InjectQueue = QueueInit (INJECT_QUEUE_SIZE); - if (!p_Extension->m_PacketQueue - || !p_Extension->m_IrpQueue - || !p_Extension->m_InjectQueue) - { - DEBUGP (("[%s] couldn't alloc TAP queues\n", p_Name)); - l_Return = NDIS_STATUS_RESOURCES; - goto cleanup; - } - - //================================================================= - // Initialize deferred procedure call for DHCP/ARP packet injection - //================================================================= - - KeInitializeDpc (&p_Extension->m_InjectDpc, InjectPacketDpc, NULL); - p_Extension->m_InjectDpcInitialized = TRUE; - - //======================== - // Finalize initialization - //======================== - - p_Extension->m_TapIsRunning = TRUE; - - DEBUGP (("[%s] successfully created TAP device [%s]\n", p_Name, - p_Extension->m_TapName)); - - cleanup: - if (l_FreeTapUnicode) - RtlFreeUnicodeString (&l_TapUnicode); - if (l_LinkString.Buffer) - MemFree (l_LinkString.Buffer, NAME_BUFFER_SIZE); - if (l_Dispatch) - MemFree (l_Dispatch, SIZEOF_DISPATCH); - - if (l_Return != NDIS_STATUS_SUCCESS) - TapDeviceFreeResources (p_Extension); - - return l_Return; -} -#undef SIZEOF_DISPATCH - -//======================================================== -// Adapter Control -//======================================================== -NDIS_STATUS -AdapterReset (OUT PBOOLEAN p_AddressingReset, IN NDIS_HANDLE p_AdapterContext) -{ - TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; - DEBUGP (("[%s] is resetting\n", NAME (l_Adapter))); - return NDIS_STATUS_SUCCESS; -} - -NDIS_STATUS AdapterReceive - (OUT PNDIS_PACKET p_Packet, - OUT PUINT p_Transferred, - IN NDIS_HANDLE p_AdapterContext, - IN NDIS_HANDLE p_ReceiveContext, - IN UINT p_Offset, - IN UINT p_ToTransfer) -{ - return NDIS_STATUS_SUCCESS; -} - -//============================================================== -// Adapter Option Query/Modification -//============================================================== -NDIS_STATUS AdapterQuery -(IN NDIS_HANDLE p_AdapterContext, - IN NDIS_OID p_OID, - IN PVOID p_Buffer, - IN ULONG p_BufferLength, - OUT PULONG p_BytesWritten, OUT PULONG p_BytesNeeded) -{ - TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; - TapAdapterQuery l_Query, *l_QueryPtr = &l_Query; - NDIS_STATUS l_Status = NDIS_STATUS_SUCCESS; - UINT l_QueryLength = 4; - BOOLEAN lock_succeeded; - - NdisZeroMemory (&l_Query, sizeof (l_Query)); - - switch (p_OID) - { - //=================================================================== - // Vendor & Driver version Info - //=================================================================== - case OID_GEN_VENDOR_DESCRIPTION: - l_QueryPtr = (TapAdapterQueryPointer) PRODUCT_TAP_WIN_DEVICE_DESCRIPTION; - l_QueryLength = strlen (PRODUCT_TAP_WIN_DEVICE_DESCRIPTION) + 1; - break; - - case OID_GEN_VENDOR_ID: - l_Query.m_Long = 0xffffff; - break; - - case OID_GEN_DRIVER_VERSION: - l_Query.m_Short = - (((USHORT) TAP_NDIS_MAJOR_VERSION) << 8 | (USHORT) - TAP_NDIS_MINOR_VERSION); - l_QueryLength = sizeof (unsigned short); - break; - - case OID_GEN_VENDOR_DRIVER_VERSION: - l_Query.m_Long = - (((USHORT) PRODUCT_TAP_WIN_MAJOR) << 8 | (USHORT) - PRODUCT_TAP_WIN_MINOR); - break; - - //================================================================= - // Statistics - //================================================================= - case OID_GEN_RCV_NO_BUFFER: - l_Query.m_Long = 0; - break; - - case OID_802_3_RCV_ERROR_ALIGNMENT: - l_Query.m_Long = 0; - break; - - case OID_802_3_XMIT_ONE_COLLISION: - l_Query.m_Long = 0; - break; - - case OID_802_3_XMIT_MORE_COLLISIONS: - l_Query.m_Long = 0; - break; - - case OID_GEN_XMIT_OK: - l_Query.m_Long = l_Adapter->m_Tx; - break; - - case OID_GEN_RCV_OK: - l_Query.m_Long = l_Adapter->m_Rx; - break; - - case OID_GEN_XMIT_ERROR: - l_Query.m_Long = l_Adapter->m_TxErr; - break; - - case OID_GEN_RCV_ERROR: - l_Query.m_Long = l_Adapter->m_RxErr; - break; - - //=================================================================== - // Device & Protocol Options - //=================================================================== - case OID_GEN_SUPPORTED_LIST: - l_QueryPtr = (TapAdapterQueryPointer) g_SupportedOIDList; - l_QueryLength = sizeof (g_SupportedOIDList); - break; - - case OID_GEN_MAC_OPTIONS: - // This MUST be here !!! - l_Query.m_Long = (NDIS_MAC_OPTION_RECEIVE_SERIALIZED - | NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA - | NDIS_MAC_OPTION_NO_LOOPBACK - | NDIS_MAC_OPTION_TRANSFERS_NOT_PEND); - - break; - - case OID_GEN_CURRENT_PACKET_FILTER: - l_Query.m_Long = - (NDIS_PACKET_TYPE_ALL_LOCAL | - NDIS_PACKET_TYPE_BROADCAST | - NDIS_PACKET_TYPE_DIRECTED | NDIS_PACKET_TYPE_ALL_FUNCTIONAL); - - break; - - case OID_GEN_PROTOCOL_OPTIONS: - l_Query.m_Long = 0; - break; - - //================================================================== - // Device Info - //================================================================== - case OID_GEN_MEDIA_CONNECT_STATUS: - l_Query.m_Long = l_Adapter->m_MediaState - ? NdisMediaStateConnected : NdisMediaStateDisconnected; - break; - - case OID_GEN_HARDWARE_STATUS: - l_Query.m_HardwareStatus = NdisHardwareStatusReady; - l_QueryLength = sizeof (NDIS_HARDWARE_STATUS); - break; - - case OID_GEN_MEDIA_SUPPORTED: - case OID_GEN_MEDIA_IN_USE: - l_Query.m_Medium = l_Adapter->m_Medium; - l_QueryLength = sizeof (NDIS_MEDIUM); - break; - - case OID_GEN_PHYSICAL_MEDIUM: - l_Query.m_PhysicalMedium = NdisPhysicalMediumUnspecified; - l_QueryLength = sizeof (NDIS_PHYSICAL_MEDIUM); - break; - - case OID_GEN_LINK_SPEED: - l_Query.m_Long = 100000; // rate / 100 bps - break; - - case OID_802_3_PERMANENT_ADDRESS: - case OID_802_3_CURRENT_ADDRESS: - COPY_MAC (l_Query.m_MacAddress, l_Adapter->m_MAC); - l_QueryLength = sizeof (MACADDR); - break; - - //================================================================== - // Limits - //================================================================== - - case OID_GEN_MAXIMUM_SEND_PACKETS: - l_Query.m_Long = 1; - break; - - case OID_802_3_MAXIMUM_LIST_SIZE: - l_Query.m_Long = NIC_MAX_MCAST_LIST; - break; - - case OID_GEN_CURRENT_LOOKAHEAD: - l_Query.m_Long = l_Adapter->m_Lookahead; - break; - - case OID_GEN_MAXIMUM_LOOKAHEAD: - case OID_GEN_MAXIMUM_TOTAL_SIZE: - case OID_GEN_RECEIVE_BUFFER_SPACE: - case OID_GEN_RECEIVE_BLOCK_SIZE: - l_Query.m_Long = DEFAULT_PACKET_LOOKAHEAD; - break; - - case OID_GEN_MAXIMUM_FRAME_SIZE: - case OID_GEN_TRANSMIT_BLOCK_SIZE: - case OID_GEN_TRANSMIT_BUFFER_SPACE: - l_Query.m_Long = l_Adapter->m_MTU; - break; - - case OID_PNP_CAPABILITIES: - do - { - PNDIS_PNP_CAPABILITIES pPNPCapabilities; - PNDIS_PM_WAKE_UP_CAPABILITIES pPMstruct; - - if (p_BufferLength >= sizeof (NDIS_PNP_CAPABILITIES)) - { - pPNPCapabilities = (PNDIS_PNP_CAPABILITIES) (p_Buffer); - - // - // Setting up the buffer to be returned - // to the Protocol above the Passthru miniport - // - pPMstruct = &pPNPCapabilities->WakeUpCapabilities; - pPMstruct->MinMagicPacketWakeUp = NdisDeviceStateUnspecified; - pPMstruct->MinPatternWakeUp = NdisDeviceStateUnspecified; - pPMstruct->MinLinkChangeWakeUp = NdisDeviceStateUnspecified; - } - l_QueryLength = sizeof (NDIS_PNP_CAPABILITIES); - } - while (FALSE); - break; - case OID_PNP_QUERY_POWER: - break; - - // Required OIDs that we don't support - - case OID_GEN_SUPPORTED_GUIDS: - case OID_GEN_MEDIA_CAPABILITIES: - case OID_TCP_TASK_OFFLOAD: - case OID_FFP_SUPPORT: - l_Status = NDIS_STATUS_INVALID_OID; - break; - - // Optional stats OIDs - - case OID_GEN_DIRECTED_BYTES_XMIT: - case OID_GEN_DIRECTED_FRAMES_XMIT: - case OID_GEN_MULTICAST_BYTES_XMIT: - case OID_GEN_MULTICAST_FRAMES_XMIT: - case OID_GEN_BROADCAST_BYTES_XMIT: - case OID_GEN_BROADCAST_FRAMES_XMIT: - case OID_GEN_DIRECTED_BYTES_RCV: - case OID_GEN_DIRECTED_FRAMES_RCV: - case OID_GEN_MULTICAST_BYTES_RCV: - case OID_GEN_MULTICAST_FRAMES_RCV: - case OID_GEN_BROADCAST_BYTES_RCV: - case OID_GEN_BROADCAST_FRAMES_RCV: - l_Status = NDIS_STATUS_INVALID_OID; - break; - - //=================================================================== - // Not Handled - //=================================================================== - default: - DEBUGP (("[%s] Unhandled OID %lx\n", NAME (l_Adapter), p_OID)); - l_Status = NDIS_STATUS_INVALID_OID; - break; - } - - if (l_Status != NDIS_STATUS_SUCCESS) - ; - else if (l_QueryLength > p_BufferLength) - { - l_Status = NDIS_STATUS_INVALID_LENGTH; - *p_BytesNeeded = l_QueryLength; - } - else - NdisMoveMemory (p_Buffer, (PVOID) l_QueryPtr, - (*p_BytesWritten = l_QueryLength)); - - return l_Status; -} - -NDIS_STATUS AdapterModify -(IN NDIS_HANDLE p_AdapterContext, - IN NDIS_OID p_OID, - IN PVOID p_Buffer, - IN ULONG p_BufferLength, - OUT PULONG p_BytesRead, - OUT PULONG p_BytesNeeded) -{ - TapAdapterQueryPointer l_Query = (TapAdapterQueryPointer) p_Buffer; - TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; - NDIS_STATUS l_Status = NDIS_STATUS_INVALID_OID; - ULONG l_Long; - - switch (p_OID) - { - //================================================================== - // Device Info - //================================================================== - case OID_802_3_MULTICAST_LIST: - DEBUGP (("[%s] Setting [OID_802_3_MULTICAST_LIST]\n", - NAME (l_Adapter))); - - *p_BytesNeeded = sizeof (ETH_ADDR); - *p_BytesRead = p_BufferLength; - - if (p_BufferLength % sizeof (ETH_ADDR)) - l_Status = NDIS_STATUS_INVALID_LENGTH; - else if (p_BufferLength > sizeof (MC_LIST)) - { - l_Status = NDIS_STATUS_MULTICAST_FULL; - *p_BytesNeeded = sizeof (MC_LIST); - } - else - { - NdisAcquireSpinLock (&l_Adapter->m_MCLock); - - NdisZeroMemory(&l_Adapter->m_MCList, sizeof (MC_LIST)); - - NdisMoveMemory(&l_Adapter->m_MCList, - p_Buffer, - p_BufferLength); - - l_Adapter->m_MCListSize = p_BufferLength / sizeof (ETH_ADDR); - - NdisReleaseSpinLock (&l_Adapter->m_MCLock); - - l_Status = NDIS_STATUS_SUCCESS; - } - break; - - case OID_GEN_CURRENT_PACKET_FILTER: - l_Status = NDIS_STATUS_INVALID_LENGTH; - *p_BytesNeeded = 4; - - if (p_BufferLength >= sizeof (ULONG)) - { - DEBUGP - (("[%s] Setting [OID_GEN_CURRENT_PACKET_FILTER] to [0x%02lx]\n", - NAME (l_Adapter), l_Query->m_Long)); - l_Status = NDIS_STATUS_SUCCESS; - *p_BytesRead = sizeof (ULONG); - } - break; - - case OID_GEN_CURRENT_LOOKAHEAD: - if (p_BufferLength < sizeof (ULONG)) - { - l_Status = NDIS_STATUS_INVALID_LENGTH; - *p_BytesNeeded = 4; - } - else if (l_Query->m_Long > DEFAULT_PACKET_LOOKAHEAD - || l_Query->m_Long <= 0) - { - l_Status = NDIS_STATUS_INVALID_DATA; - } - else - { - DEBUGP (("[%s] Setting [OID_GEN_CURRENT_LOOKAHEAD] to [%d]\n", - NAME (l_Adapter), l_Query->m_Long)); - l_Adapter->m_Lookahead = l_Query->m_Long; - l_Status = NDIS_STATUS_SUCCESS; - *p_BytesRead = sizeof (ULONG); - } - break; - - case OID_GEN_NETWORK_LAYER_ADDRESSES: - l_Status = NDIS_STATUS_SUCCESS; - *p_BytesRead = *p_BytesNeeded = 0; - break; - - case OID_GEN_TRANSPORT_HEADER_OFFSET: - l_Status = NDIS_STATUS_SUCCESS; - *p_BytesRead = *p_BytesNeeded = 0; - break; - - case OID_PNP_SET_POWER: - do - { - NDIS_DEVICE_POWER_STATE NewDeviceState; - - NewDeviceState = (*(PNDIS_DEVICE_POWER_STATE) p_Buffer); - - switch (NewDeviceState) - { - case NdisDeviceStateD0: - l_Adapter->m_DeviceState = '0'; - break; - case NdisDeviceStateD1: - l_Adapter->m_DeviceState = '1'; - break; - case NdisDeviceStateD2: - l_Adapter->m_DeviceState = '2'; - break; - case NdisDeviceStateD3: - l_Adapter->m_DeviceState = '3'; - break; - default: - l_Adapter->m_DeviceState = '?'; - break; - } - - l_Status = NDIS_STATUS_FAILURE; - - // - // Check for invalid length - // - if (p_BufferLength < sizeof (NDIS_DEVICE_POWER_STATE)) - { - l_Status = NDIS_STATUS_INVALID_LENGTH; - break; - } - - if (NewDeviceState > NdisDeviceStateD0) - { - l_Adapter->m_InterfaceIsRunning = FALSE; - DEBUGP (("[%s] Power management device state OFF\n", - NAME (l_Adapter))); - } - else - { - l_Adapter->m_InterfaceIsRunning = TRUE; - DEBUGP (("[%s] Power management device state ON\n", - NAME (l_Adapter))); - } - - l_Status = NDIS_STATUS_SUCCESS; - } - while (FALSE); - - if (l_Status == NDIS_STATUS_SUCCESS) - { - *p_BytesRead = sizeof (NDIS_DEVICE_POWER_STATE); - *p_BytesNeeded = 0; - } - else - { - *p_BytesRead = 0; - *p_BytesNeeded = sizeof (NDIS_DEVICE_POWER_STATE); - } - break; - - case OID_PNP_REMOVE_WAKE_UP_PATTERN: - case OID_PNP_ADD_WAKE_UP_PATTERN: - l_Status = NDIS_STATUS_SUCCESS; - *p_BytesRead = *p_BytesNeeded = 0; - break; - - default: - DEBUGP (("[%s] Can't set value for OID %lx\n", NAME (l_Adapter), - p_OID)); - l_Status = NDIS_STATUS_INVALID_OID; - *p_BytesRead = *p_BytesNeeded = 0; - break; - } - - return l_Status; -} - -// checksum code for ICMPv6 packet, taken from dhcp.c / udp_checksum -// see RFC 4443, 2.3, and RFC 2460, 8.1 -USHORT -icmpv6_checksum (const UCHAR *buf, - const int len_icmpv6, - const UCHAR *saddr6, - const UCHAR *daddr6) -{ - USHORT word16; - ULONG sum = 0; - int i; - - // make 16 bit words out of every two adjacent 8 bit words and - // calculate the sum of all 16 bit words - for (i = 0; i < len_icmpv6; i += 2){ - word16 = ((buf[i] << 8) & 0xFF00) + ((i + 1 < len_icmpv6) ? (buf[i+1] & 0xFF) : 0); - sum += word16; - } - - // add the IPv6 pseudo header which contains the IP source and destination addresses - for (i = 0; i < 16; i += 2){ - word16 =((saddr6[i] << 8) & 0xFF00) + (saddr6[i+1] & 0xFF); - sum += word16; - } - for (i = 0; i < 16; i += 2){ - word16 =((daddr6[i] << 8) & 0xFF00) + (daddr6[i+1] & 0xFF); - sum += word16; - } - - // the next-header number and the length of the ICMPv6 packet - sum += (USHORT) IPPROTO_ICMPV6 + (USHORT) len_icmpv6; - - // keep only the last 16 bits of the 32 bit calculated sum and add the carries - while (sum >> 16) - sum = (sum & 0xFFFF) + (sum >> 16); - - // Take the one's complement of sum - return ((USHORT) ~sum); -} - -// check IPv6 packet for "is this an IPv6 Neighbor Solicitation that -// the tap driver needs to answer?" -// see RFC 4861 4.3 for the different cases -static IPV6ADDR IPV6_NS_TARGET_MCAST = - { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x01, 0xff, 0x00, 0x00, 0x08 }; -static IPV6ADDR IPV6_NS_TARGET_UNICAST = - { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08 }; - -#if 0 -BOOLEAN -HandleIPv6NeighborDiscovery( TapAdapterPointer p_Adapter, UCHAR * m_Data ) -{ - const ETH_HEADER * e = (ETH_HEADER *) m_Data; - const IPV6HDR *ipv6 = (IPV6HDR *) (m_Data + sizeof (ETH_HEADER)); - const ICMPV6_NS * icmpv6_ns = (ICMPV6_NS *) (m_Data + sizeof (ETH_HEADER) + sizeof (IPV6HDR)); - ICMPV6_NA_PKT *na; - USHORT icmpv6_len, icmpv6_csum; - - // we don't really care about the destination MAC address here - // - it's either a multicast MAC, or the userland destination MAC - // but since the TAP driver is point-to-point, all packets are "for us" - - // IPv6 target address must be ff02::1::ff00:8 (multicast for - // initial NS) or fe80::1 (unicast for recurrent NUD) - if ( memcmp( ipv6->daddr, IPV6_NS_TARGET_MCAST, - sizeof(IPV6ADDR) ) != 0 && - memcmp( ipv6->daddr, IPV6_NS_TARGET_UNICAST, - sizeof(IPV6ADDR) ) != 0 ) - { - return FALSE; // wrong target address - } - - // IPv6 Next-Header must be ICMPv6 - if ( ipv6->nexthdr != IPPROTO_ICMPV6 ) - { - return FALSE; // wrong next-header - } - - // ICMPv6 type+code must be 135/0 for NS - if ( icmpv6_ns->type != ICMPV6_TYPE_NS || - icmpv6_ns->code != ICMPV6_CODE_0 ) - { - return FALSE; // wrong ICMPv6 type - } - - // ICMPv6 target address must be fe80::8 (magic) - if ( memcmp( icmpv6_ns->target_addr, IPV6_NS_TARGET_UNICAST, - sizeof(IPV6ADDR) ) != 0 ) - { - return FALSE; // not for us - } - - // packet identified, build magic response packet - - na = (ICMPV6_NA_PKT *) MemAlloc (sizeof (ICMPV6_NA_PKT), TRUE); - if ( !na ) return FALSE; - - //------------------------------------------------ - // Initialize Neighbour Advertisement reply packet - //------------------------------------------------ - - // ethernet header - na->eth.proto = htons(ETH_P_IPV6); - COPY_MAC(na->eth.dest, p_Adapter->m_MAC); - COPY_MAC(na->eth.src, p_Adapter->m_TapToUser.dest); - - // IPv6 header - na->ipv6.version_prio = ipv6->version_prio; - NdisMoveMemory( na->ipv6.flow_lbl, ipv6->flow_lbl, - sizeof(na->ipv6.flow_lbl) ); - icmpv6_len = sizeof(ICMPV6_NA_PKT) - sizeof(ETH_HEADER) - sizeof(IPV6HDR); - na->ipv6.payload_len = htons(icmpv6_len); - na->ipv6.nexthdr = IPPROTO_ICMPV6; - na->ipv6.hop_limit = 255; - NdisMoveMemory( na->ipv6.saddr, IPV6_NS_TARGET_UNICAST, - sizeof(IPV6ADDR) ); - NdisMoveMemory( na->ipv6.daddr, ipv6->saddr, - sizeof(IPV6ADDR) ); - - // ICMPv6 - na->icmpv6.type = ICMPV6_TYPE_NA; - na->icmpv6.code = ICMPV6_CODE_0; - na->icmpv6.checksum = 0; - na->icmpv6.rso_bits = 0x60; // Solicited + Override - NdisZeroMemory( na->icmpv6.reserved, sizeof(na->icmpv6.reserved) ); - NdisMoveMemory( na->icmpv6.target_addr, IPV6_NS_TARGET_UNICAST, - sizeof(IPV6ADDR) ); - - // ICMPv6 option "Target Link Layer Address" - na->icmpv6.opt_type = ICMPV6_OPTION_TLLA; - na->icmpv6.opt_length = ICMPV6_LENGTH_TLLA; - COPY_MAC( na->icmpv6.target_macaddr, p_Adapter->m_TapToUser.dest ); - - // calculate and set checksum - icmpv6_csum = icmpv6_checksum ( (UCHAR*) &(na->icmpv6), - icmpv6_len, - na->ipv6.saddr, - na->ipv6.daddr ); - na->icmpv6.checksum = htons( icmpv6_csum ); - - DUMP_PACKET ("HandleIPv6NeighborDiscovery", - (unsigned char *) na, - sizeof (ICMPV6_NA_PKT)); - - InjectPacketDeferred (p_Adapter, (UCHAR *) na, sizeof (ICMPV6_NA_PKT)); - - MemFree (na, sizeof (ICMPV6_NA_PKT)); - - return TRUE; // all fine -} -#endif - -//==================================================================== -// Adapter Transmission -//==================================================================== -NDIS_STATUS -AdapterTransmit (IN NDIS_HANDLE p_AdapterContext, - IN PNDIS_PACKET p_Packet, - IN UINT p_Flags) -{ - TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; - ULONG l_Index = 0, l_PacketLength = 0; - UINT l_BufferLength = 0; - PIRP l_IRP; - TapPacketPointer l_PacketBuffer; - PNDIS_BUFFER l_NDIS_Buffer; - PUCHAR l_Buffer; - PVOID result; - - NdisQueryPacket (p_Packet, NULL, NULL, &l_NDIS_Buffer, &l_PacketLength); - - //==================================================== - // Here we abandon the transmission attempt if any of - // the parameters is wrong or memory allocation fails - // but we do not indicate failure. The packet is - // silently dropped. - //==================================================== - - if (l_PacketLength < ETHERNET_HEADER_SIZE || l_PacketLength > 65535) - goto exit_fail; - else if (!l_Adapter->m_Extension.m_TapOpens || !l_Adapter->m_MediaState) - goto exit_success; // Nothing is bound to the TAP device - - if (NdisAllocateMemoryWithTag (&l_PacketBuffer, - TAP_PACKET_SIZE (l_PacketLength), - '5PAT') != NDIS_STATUS_SUCCESS) - goto exit_no_resources; - - if (l_PacketBuffer == NULL) - goto exit_no_resources; - - l_PacketBuffer->m_SizeFlags = (l_PacketLength & TP_SIZE_MASK); - - //=========================== - // Reassemble packet contents - //=========================== - - __try - { - l_Index = 0; - while (l_NDIS_Buffer && l_Index < l_PacketLength) - { - ULONG newlen; - NdisQueryBuffer (l_NDIS_Buffer, (PVOID *) & l_Buffer, - &l_BufferLength); - newlen = l_Index + l_BufferLength; - if (newlen > l_PacketLength) - { - NOTE_ERROR (); - goto no_queue; /* overflow */ - } - NdisMoveMemory (l_PacketBuffer->m_Data + l_Index, l_Buffer, - l_BufferLength); - l_Index = newlen; - NdisGetNextBuffer (l_NDIS_Buffer, &l_NDIS_Buffer); - } - if (l_Index != l_PacketLength) - { - NOTE_ERROR (); - goto no_queue; /* underflow */ - } - - DUMP_PACKET ("AdapterTransmit", l_PacketBuffer->m_Data, l_PacketLength); - - //===================================================== - // If IPv4 packet, check whether or not packet - // was truncated. - //===================================================== -#if PACKET_TRUNCATION_CHECK - IPv4PacketSizeVerify (l_PacketBuffer->m_Data, l_PacketLength, FALSE, "TX", &l_Adapter->m_TxTrunc); -#endif - -#if 0 - //===================================================== - // Are we running in DHCP server masquerade mode? - // - // If so, catch both DHCP requests and ARP queries - // to resolve the address of our virtual DHCP server. - //===================================================== - if (l_Adapter->m_dhcp_enabled) - { - const ETH_HEADER *eth = (ETH_HEADER *) l_PacketBuffer->m_Data; - const IPHDR *ip = (IPHDR *) (l_PacketBuffer->m_Data + sizeof (ETH_HEADER)); - const UDPHDR *udp = (UDPHDR *) (l_PacketBuffer->m_Data + sizeof (ETH_HEADER) + sizeof (IPHDR)); - - // ARP packet? - if (l_PacketLength == sizeof (ARP_PACKET) - && eth->proto == htons (ETH_P_ARP) - && l_Adapter->m_dhcp_server_arp) - { - if (ProcessARP (l_Adapter, - (PARP_PACKET) l_PacketBuffer->m_Data, - l_Adapter->m_dhcp_addr, - l_Adapter->m_dhcp_server_ip, - ~0, - l_Adapter->m_dhcp_server_mac)) - goto no_queue; - } -#endif - -#if 0 - // DHCP packet? - else if (l_PacketLength >= sizeof (ETH_HEADER) + sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP) - && eth->proto == htons (ETH_P_IP) - && ip->version_len == 0x45 // IPv4, 20 byte header - && ip->protocol == IPPROTO_UDP - && udp->dest == htons (BOOTPS_PORT)) - { - const DHCP *dhcp = (DHCP *) (l_PacketBuffer->m_Data - + sizeof (ETH_HEADER) - + sizeof (IPHDR) - + sizeof (UDPHDR)); - - const int optlen = l_PacketLength - - sizeof (ETH_HEADER) - - sizeof (IPHDR) - - sizeof (UDPHDR) - - sizeof (DHCP); - - if (optlen > 0) // we must have at least one DHCP option - { - if (ProcessDHCP (l_Adapter, eth, ip, udp, dhcp, optlen)) - goto no_queue; - } - else - goto no_queue; - } - } -#endif - - //=============================================== - // In Point-To-Point mode, check to see whether - // packet is ARP (handled) or IPv4 (sent to app). - // IPv6 packets are inspected for neighbour discovery - // (to be handled locally), and the rest is forwarded - // all other protocols are dropped - //=============================================== -#if 0 - if (l_Adapter->m_tun) - { - ETH_HEADER *e; - - if (l_PacketLength < ETHERNET_HEADER_SIZE) - goto no_queue; - - e = (ETH_HEADER *) l_PacketBuffer->m_Data; - - switch (ntohs (e->proto)) - { - case ETH_P_ARP: - - // Make sure that packet is the - // right size for ARP. - if (l_PacketLength != sizeof (ARP_PACKET)) - goto no_queue; - - ProcessARP (l_Adapter, - (PARP_PACKET) l_PacketBuffer->m_Data, - l_Adapter->m_localIP, - l_Adapter->m_remoteNetwork, - l_Adapter->m_remoteNetmask, - l_Adapter->m_TapToUser.dest); - - default: - goto no_queue; - - case ETH_P_IP: - - // Make sure that packet is large - // enough to be IPv4. - if (l_PacketLength - < ETHERNET_HEADER_SIZE + IP_HEADER_SIZE) - goto no_queue; - - // Only accept directed packets, - // not broadcasts. - if (memcmp (e, &l_Adapter->m_TapToUser, ETHERNET_HEADER_SIZE)) - goto no_queue; - - // Packet looks like IPv4, queue it. - l_PacketBuffer->m_SizeFlags |= TP_TUN; - break; - - case ETH_P_IPV6: - // make sure that packet is large - // enough to be IPv6 - if (l_PacketLength - < ETHERNET_HEADER_SIZE + IPV6_HEADER_SIZE) - goto no_queue; - - // broadcasts and multicasts are handled specially - // (to be implemented) - - // neighbor discovery packets to fe80::8 are special - // OpenVPN sets this next-hop to signal "handled by tapdrv" - if ( HandleIPv6NeighborDiscovery( l_Adapter, - l_PacketBuffer->m_Data )) - { - goto no_queue; - } - - // Packet looks like IPv6, queue it :-) - l_PacketBuffer->m_SizeFlags |= TP_TUN; - } - } -#endif - - //=============================================== - // Push packet onto queue to wait for read from - // userspace. - //=============================================== - - NdisAcquireSpinLock (&l_Adapter->m_Extension.m_QueueLock); - - result = NULL; - if (IS_UP (l_Adapter)) - result = QueuePush (l_Adapter->m_Extension.m_PacketQueue, l_PacketBuffer); - - NdisReleaseSpinLock (&l_Adapter->m_Extension.m_QueueLock); - - if ((TapPacketPointer) result != l_PacketBuffer) - { - // adapter receive overrun - INCREMENT_STAT (l_Adapter->m_TxErr); - goto no_queue; - } - else - { - INCREMENT_STAT (l_Adapter->m_Tx); - } - - //============================================================ - // Cycle through IRPs and packets, try to satisfy each pending - // IRP with a queued packet. - //============================================================ - while (TRUE) - { - l_IRP = NULL; - l_PacketBuffer = NULL; - - NdisAcquireSpinLock (&l_Adapter->m_Extension.m_QueueLock); - - if (IS_UP (l_Adapter) - && QueueCount (l_Adapter->m_Extension.m_PacketQueue) - && QueueCount (l_Adapter->m_Extension.m_IrpQueue)) - { - l_IRP = (PIRP) QueuePop (l_Adapter->m_Extension.m_IrpQueue); - l_PacketBuffer = (TapPacketPointer) - QueuePop (l_Adapter->m_Extension.m_PacketQueue); - } - - NdisReleaseSpinLock (&l_Adapter->m_Extension.m_QueueLock); - - MYASSERT ((l_IRP != NULL) + (l_PacketBuffer != NULL) != 1); - - if (l_IRP && l_PacketBuffer) - { - CompleteIRP (l_IRP, - l_PacketBuffer, - IO_NETWORK_INCREMENT); - } - else - break; - } - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - } - - return NDIS_STATUS_SUCCESS; - - no_queue: - NdisFreeMemory (l_PacketBuffer, - TAP_PACKET_SIZE (l_PacketLength), - 0); - - exit_success: - return NDIS_STATUS_SUCCESS; - - exit_fail: - return NDIS_STATUS_FAILURE; - - exit_no_resources: - return NDIS_STATUS_RESOURCES; -} - -//====================================================================== -// Hooks for catching TAP device IRP's. -//====================================================================== - -DRIVER_DISPATCH TapDeviceHook; -NTSTATUS -TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP) -{ - TapAdapterPointer l_Adapter = LookupAdapterInInstanceList (p_DeviceObject); - PIO_STACK_LOCATION l_IrpSp; - NTSTATUS l_Status = STATUS_SUCCESS; - BOOLEAN accessible; - - l_IrpSp = IoGetCurrentIrpStackLocation (p_IRP); - - p_IRP->IoStatus.Status = STATUS_SUCCESS; - p_IRP->IoStatus.Information = 0; - - if (!l_Adapter || l_Adapter->m_Extension.m_Halt) - { - DEBUGP (("TapDeviceHook called when TAP device is halted, MajorFunction=%d\n", - (int)l_IrpSp->MajorFunction)); - - if (l_IrpSp->MajorFunction == IRP_MJ_CLOSE) - { - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - return STATUS_SUCCESS; - } - else - { - p_IRP->IoStatus.Status = STATUS_NO_SUCH_DEVICE; - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - return STATUS_NO_SUCH_DEVICE; - } - } - - switch (l_IrpSp->MajorFunction) - { - //=========================================================== - // Ioctl call handlers - //=========================================================== - case IRP_MJ_DEVICE_CONTROL: - { - switch (l_IrpSp->Parameters.DeviceIoControl.IoControlCode) - { - case TAP_WIN_IOCTL_GET_MAC: - { - if (l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength - >= sizeof (MACADDR)) - { - COPY_MAC (p_IRP->AssociatedIrp.SystemBuffer, - l_Adapter->m_MAC); - p_IRP->IoStatus.Information = sizeof (MACADDR); - } - else - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_BUFFER_TOO_SMALL; - } - break; - } - case TAP_WIN_IOCTL_GET_VERSION: - { - const ULONG size = sizeof (ULONG) * 3; - if (l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength - >= size) - { - ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[0] - = TAP_DRIVER_MAJOR_VERSION; - ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[1] - = TAP_DRIVER_MINOR_VERSION; - ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[2] -#if DBG - = 1; -#else - = 0; -#endif - p_IRP->IoStatus.Information = size; - } - else - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_BUFFER_TOO_SMALL; - } - - break; - } - case TAP_WIN_IOCTL_GET_MTU: - { - const ULONG size = sizeof (ULONG) * 1; - if (l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength - >= size) - { - ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[0] - = l_Adapter->m_MTU; - p_IRP->IoStatus.Information = size; - } - else - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_BUFFER_TOO_SMALL; - } - - break; - } - case TAP_WIN_IOCTL_GET_INFO: - { - char state[16]; - if (l_Adapter->m_InterfaceIsRunning) - state[0] = 'A'; - else - state[0] = 'a'; - if (l_Adapter->m_Extension.m_TapIsRunning) - state[1] = 'T'; - else - state[1] = 't'; - state[2] = l_Adapter->m_DeviceState; - if (l_Adapter->m_MediaStateAlwaysConnected) - state[3] = 'C'; - else - state[3] = 'c'; - state[4] = '\0'; - - p_IRP->IoStatus.Status = l_Status = RtlStringCchPrintfExA ( - ((LPTSTR) (p_IRP->AssociatedIrp.SystemBuffer)), - l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength, - NULL, - NULL, - STRSAFE_FILL_BEHIND_NULL | STRSAFE_IGNORE_NULLS, -#if PACKET_TRUNCATION_CHECK - "State=%s Err=[%s/%d] #O=%d Tx=[%d,%d,%d] Rx=[%d,%d,%d] IrpQ=[%d,%d,%d] PktQ=[%d,%d,%d] InjQ=[%d,%d,%d]", -#else - "State=%s Err=[%s/%d] #O=%d Tx=[%d,%d] Rx=[%d,%d] IrpQ=[%d,%d,%d] PktQ=[%d,%d,%d] InjQ=[%d,%d,%d]", -#endif - state, - g_LastErrorFilename, - g_LastErrorLineNumber, - (int)l_Adapter->m_Extension.m_NumTapOpens, - (int)l_Adapter->m_Tx, - (int)l_Adapter->m_TxErr, -#if PACKET_TRUNCATION_CHECK - (int)l_Adapter->m_TxTrunc, -#endif - (int)l_Adapter->m_Rx, - (int)l_Adapter->m_RxErr, -#if PACKET_TRUNCATION_CHECK - (int)l_Adapter->m_RxTrunc, -#endif - (int)l_Adapter->m_Extension.m_IrpQueue->size, - (int)l_Adapter->m_Extension.m_IrpQueue->max_size, - (int)IRP_QUEUE_SIZE, - (int)l_Adapter->m_Extension.m_PacketQueue->size, - (int)l_Adapter->m_Extension.m_PacketQueue->max_size, - (int)PACKET_QUEUE_SIZE, - (int)l_Adapter->m_Extension.m_InjectQueue->size, - (int)l_Adapter->m_Extension.m_InjectQueue->max_size, - (int)INJECT_QUEUE_SIZE - ); - - p_IRP->IoStatus.Information - = l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength; - - break; - } - -#if DBG - case TAP_WIN_IOCTL_GET_LOG_LINE: - { - if (GetDebugLine ((LPTSTR)p_IRP->AssociatedIrp.SystemBuffer, - l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength)) - p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; - else - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - - p_IRP->IoStatus.Information - = l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength; - - break; - } -#endif - -#if 0 - case TAP_WIN_IOCTL_CONFIG_TUN: - { - if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= - (sizeof (IPADDR) * 3)) - { - MACADDR dest; - - l_Adapter->m_tun = FALSE; - - GenerateRelatedMAC (dest, l_Adapter->m_MAC, 1); - - l_Adapter->m_localIP = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[0]; - l_Adapter->m_remoteNetwork = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[1]; - l_Adapter->m_remoteNetmask = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[2]; - - // sanity check on network/netmask - if ((l_Adapter->m_remoteNetwork & l_Adapter->m_remoteNetmask) != l_Adapter->m_remoteNetwork) - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; - break; - } - - COPY_MAC (l_Adapter->m_TapToUser.src, l_Adapter->m_MAC); - COPY_MAC (l_Adapter->m_TapToUser.dest, dest); - COPY_MAC (l_Adapter->m_UserToTap.src, dest); - COPY_MAC (l_Adapter->m_UserToTap.dest, l_Adapter->m_MAC); - - l_Adapter->m_TapToUser.proto = l_Adapter->m_UserToTap.proto = htons (ETH_P_IP); - l_Adapter->m_UserToTap_IPv6 = l_Adapter->m_UserToTap; - l_Adapter->m_UserToTap_IPv6.proto = htons(ETH_P_IPV6); - - l_Adapter->m_tun = TRUE; - - CheckIfDhcpAndTunMode (l_Adapter); - - p_IRP->IoStatus.Information = 1; // Simple boolean value - } - else - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; - } - - break; - } -#endif - -#if 0 - case TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT: // Obsoleted by TAP_WIN_IOCTL_CONFIG_TUN - { - if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= - (sizeof (IPADDR) * 2)) - { - MACADDR dest; - - l_Adapter->m_tun = FALSE; - - GenerateRelatedMAC (dest, l_Adapter->m_MAC, 1); - - l_Adapter->m_localIP = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[0]; - l_Adapter->m_remoteNetwork = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[1]; - l_Adapter->m_remoteNetmask = ~0; - - COPY_MAC (l_Adapter->m_TapToUser.src, l_Adapter->m_MAC); - COPY_MAC (l_Adapter->m_TapToUser.dest, dest); - COPY_MAC (l_Adapter->m_UserToTap.src, dest); - COPY_MAC (l_Adapter->m_UserToTap.dest, l_Adapter->m_MAC); - - l_Adapter->m_TapToUser.proto = l_Adapter->m_UserToTap.proto = htons (ETH_P_IP); - l_Adapter->m_UserToTap_IPv6 = l_Adapter->m_UserToTap; - l_Adapter->m_UserToTap_IPv6.proto = htons(ETH_P_IPV6); - - l_Adapter->m_tun = TRUE; - - CheckIfDhcpAndTunMode (l_Adapter); - - p_IRP->IoStatus.Information = 1; // Simple boolean value - } - else - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; - } - - break; - } -#endif - - case TAP_WIN_IOCTL_SET_MEDIA_STATUS: - { - if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= - (sizeof (ULONG) * 1)) - { - ULONG parm = ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[0]; - SetMediaStatus (l_Adapter, (BOOLEAN) parm); - p_IRP->IoStatus.Information = 1; - } - else - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; - } - break; - } - -#if 0 - case TAP_WIN_IOCTL_CONFIG_DHCP_MASQ: - { - if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= - (sizeof (IPADDR) * 4)) - { - l_Adapter->m_dhcp_enabled = FALSE; - l_Adapter->m_dhcp_server_arp = FALSE; - l_Adapter->m_dhcp_user_supplied_options_buffer_len = 0; - - // Adapter IP addr / netmask - l_Adapter->m_dhcp_addr = - ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[0]; - l_Adapter->m_dhcp_netmask = - ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[1]; - - // IP addr of DHCP masq server - l_Adapter->m_dhcp_server_ip = - ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[2]; - - // Lease time in seconds - l_Adapter->m_dhcp_lease_time = - ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[3]; - - GenerateRelatedMAC (l_Adapter->m_dhcp_server_mac, l_Adapter->m_MAC, 2); - - l_Adapter->m_dhcp_enabled = TRUE; - l_Adapter->m_dhcp_server_arp = TRUE; - - CheckIfDhcpAndTunMode (l_Adapter); - - p_IRP->IoStatus.Information = 1; // Simple boolean value - } - else - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; - } - - break; - } - - case TAP_WIN_IOCTL_CONFIG_DHCP_SET_OPT: - { - if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength <= - DHCP_USER_SUPPLIED_OPTIONS_BUFFER_SIZE - && l_Adapter->m_dhcp_enabled) - { - l_Adapter->m_dhcp_user_supplied_options_buffer_len = 0; - - NdisMoveMemory (l_Adapter->m_dhcp_user_supplied_options_buffer, - p_IRP->AssociatedIrp.SystemBuffer, - l_IrpSp->Parameters.DeviceIoControl.InputBufferLength); - - l_Adapter->m_dhcp_user_supplied_options_buffer_len = - l_IrpSp->Parameters.DeviceIoControl.InputBufferLength; - - p_IRP->IoStatus.Information = 1; // Simple boolean value - } - else - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; - } - - break; - } -#endif - - default: - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; - break; - } - } - - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - break; - } - - //=========================================================== - // User mode thread issued a read request on the tap device - // If there are packets waiting to be read, then the request - // will be satisfied here. If not, then the request will be - // queued and satisfied by any packet that is not used to - // satisfy requests ahead of it. - //=========================================================== - case IRP_MJ_READ: - { - TapPacketPointer l_PacketBuffer; - BOOLEAN pending = FALSE; - - // Save IRP-accessible copy of buffer length - p_IRP->IoStatus.Information = l_IrpSp->Parameters.Read.Length; - - if (p_IRP->MdlAddress == NULL) - { - DEBUGP (("[%s] MdlAddress is NULL for IRP_MJ_READ\n", - NAME (l_Adapter))); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; - p_IRP->IoStatus.Information = 0; - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - break; - } - else if ((p_IRP->AssociatedIrp.SystemBuffer = - MmGetSystemAddressForMdlSafe - (p_IRP->MdlAddress, NormalPagePriority)) == NULL) - { - DEBUGP (("[%s] Could not map address in IRP_MJ_READ\n", - NAME (l_Adapter))); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INSUFFICIENT_RESOURCES; - p_IRP->IoStatus.Information = 0; - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - break; - } - else if (!l_Adapter->m_InterfaceIsRunning) - { - DEBUGP (("[%s] Interface is down in IRP_MJ_READ\n", - NAME (l_Adapter))); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - p_IRP->IoStatus.Information = 0; - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - break; - } - - //================================== - // Can we provide immediate service? - //================================== - - l_PacketBuffer = NULL; - - NdisAcquireSpinLock (&l_Adapter->m_Extension.m_QueueLock); - - if (IS_UP (l_Adapter) - && QueueCount (l_Adapter->m_Extension.m_PacketQueue) - && QueueCount (l_Adapter->m_Extension.m_IrpQueue) == 0) - { - l_PacketBuffer = (TapPacketPointer) - QueuePop (l_Adapter->m_Extension.m_PacketQueue); - } - - NdisReleaseSpinLock (&l_Adapter->m_Extension.m_QueueLock); - - if (l_PacketBuffer) - { - l_Status = CompleteIRP (p_IRP, - l_PacketBuffer, - IO_NO_INCREMENT); - break; - } - - //============================= - // Attempt to pend read request - //============================= - - NdisAcquireSpinLock (&l_Adapter->m_Extension.m_QueueLock); - - if (IS_UP (l_Adapter) - && QueuePush (l_Adapter->m_Extension.m_IrpQueue, p_IRP) == (PIRP) p_IRP) - { - IoSetCancelRoutine (p_IRP, CancelIRPCallback); - l_Status = STATUS_PENDING; - IoMarkIrpPending (p_IRP); - pending = TRUE; - } - - NdisReleaseSpinLock (&l_Adapter->m_Extension.m_QueueLock); - - if (pending) - break; - - // Can't queue anymore IRP's - DEBUGP (("[%s] TAP [%s] read IRP overrun\n", - NAME (l_Adapter), l_Adapter->m_Extension.m_TapName)); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - p_IRP->IoStatus.Information = 0; - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - break; - } - - //============================================================== - // User mode issued a WriteFile request on the TAP file handle. - // The request will always get satisfied here. The call may - // fail if there are too many pending packets (queue full). - //============================================================== - case IRP_MJ_WRITE: - { - if (p_IRP->MdlAddress == NULL) - { - DEBUGP (("[%s] MdlAddress is NULL for IRP_MJ_WRITE\n", - NAME (l_Adapter))); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; - p_IRP->IoStatus.Information = 0; - } - else if ((p_IRP->AssociatedIrp.SystemBuffer = - MmGetSystemAddressForMdlSafe - (p_IRP->MdlAddress, NormalPagePriority)) == NULL) - { - DEBUGP (("[%s] Could not map address in IRP_MJ_WRITE\n", - NAME (l_Adapter))); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_INSUFFICIENT_RESOURCES; - p_IRP->IoStatus.Information = 0; - } - else if (!l_Adapter->m_InterfaceIsRunning) - { - DEBUGP (("[%s] Interface is down in IRP_MJ_WRITE\n", - NAME (l_Adapter))); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - p_IRP->IoStatus.Information = 0; - } -#if 0 - else if (!l_Adapter->m_tun && ((l_IrpSp->Parameters.Write.Length) >= ETHERNET_HEADER_SIZE)) - { - __try - { - p_IRP->IoStatus.Information = l_IrpSp->Parameters.Write.Length; - - DUMP_PACKET ("IRP_MJ_WRITE ETH", - (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, - l_IrpSp->Parameters.Write.Length); - - //===================================================== - // If IPv4 packet, check whether or not packet - // was truncated. - //===================================================== -#if PACKET_TRUNCATION_CHECK - IPv4PacketSizeVerify ((unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, - l_IrpSp->Parameters.Write.Length, - FALSE, - "RX", - &l_Adapter->m_RxTrunc); -#endif - - NdisMEthIndicateReceive - (l_Adapter->m_MiniportAdapterHandle, - (NDIS_HANDLE) l_Adapter, - (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, - ETHERNET_HEADER_SIZE, - (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer + ETHERNET_HEADER_SIZE, - l_IrpSp->Parameters.Write.Length - ETHERNET_HEADER_SIZE, - l_IrpSp->Parameters.Write.Length - ETHERNET_HEADER_SIZE); - - NdisMEthIndicateReceiveComplete (l_Adapter->m_MiniportAdapterHandle); - - p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - DEBUGP (("[%s] NdisMEthIndicateReceive failed in IRP_MJ_WRITE\n", - NAME (l_Adapter))); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - p_IRP->IoStatus.Information = 0; - } - } -#endif -#if 0 - else if (l_Adapter->m_tun && ((l_IrpSp->Parameters.Write.Length) >= IP_HEADER_SIZE)) - { - __try - { - ETH_HEADER * p_UserToTap = &l_Adapter->m_UserToTap; - - // for IPv6, need to use ethernet header with IPv6 proto - if ( IPH_GET_VER( ((IPHDR*) p_IRP->AssociatedIrp.SystemBuffer)->version_len) == 6 ) - { - p_UserToTap = &l_Adapter->m_UserToTap_IPv6; - } - - p_IRP->IoStatus.Information = l_IrpSp->Parameters.Write.Length; - - DUMP_PACKET2 ("IRP_MJ_WRITE P2P", - p_UserToTap, - (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, - l_IrpSp->Parameters.Write.Length); - - //===================================================== - // If IPv4 packet, check whether or not packet - // was truncated. - //===================================================== -#if PACKET_TRUNCATION_CHECK - IPv4PacketSizeVerify ((unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, - l_IrpSp->Parameters.Write.Length, - TRUE, - "RX", - &l_Adapter->m_RxTrunc); -#endif - - NdisMEthIndicateReceive - (l_Adapter->m_MiniportAdapterHandle, - (NDIS_HANDLE) l_Adapter, - (unsigned char *) p_UserToTap, - sizeof (ETH_HEADER), - (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, - l_IrpSp->Parameters.Write.Length, - l_IrpSp->Parameters.Write.Length); - - NdisMEthIndicateReceiveComplete (l_Adapter->m_MiniportAdapterHandle); - - p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - DEBUGP (("[%s] NdisMEthIndicateReceive failed in IRP_MJ_WRITE (P2P)\n", - NAME (l_Adapter))); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - p_IRP->IoStatus.Information = 0; - } - } -#endif - else - { - DEBUGP (("[%s] Bad buffer size in IRP_MJ_WRITE, len=%d\n", - NAME (l_Adapter), - l_IrpSp->Parameters.Write.Length)); - NOTE_ERROR (); - p_IRP->IoStatus.Information = 0; // ETHERNET_HEADER_SIZE; - p_IRP->IoStatus.Status = l_Status = STATUS_BUFFER_TOO_SMALL; - } - - if (l_Status == STATUS_SUCCESS) - INCREMENT_STAT (l_Adapter->m_Rx); - else - INCREMENT_STAT (l_Adapter->m_RxErr); - - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - break; - } - - //-------------------------------------------------------------- - // User mode thread has called CreateFile() on the tap device - //-------------------------------------------------------------- - case IRP_MJ_CREATE: - { - BOOLEAN succeeded = FALSE; - BOOLEAN mutex_succeeded; - - DEBUGP - (("[%s] [TAP] release [%d.%d] open request (m_TapOpens=%d)\n", - NAME (l_Adapter), TAP_DRIVER_MAJOR_VERSION, - TAP_DRIVER_MINOR_VERSION, l_Adapter->m_Extension.m_TapOpens)); - - ACQUIRE_MUTEX_ADAPTIVE (&l_Adapter->m_Extension.m_OpenCloseMutex, mutex_succeeded); - if (mutex_succeeded) - { - if (l_Adapter->m_Extension.m_TapIsRunning && !l_Adapter->m_Extension.m_TapOpens) - { - ResetTapAdapterState (l_Adapter); - l_Adapter->m_Extension.m_TapOpens = 1; - succeeded = TRUE; - } - - if (succeeded) - { - INCREMENT_STAT (l_Adapter->m_Extension.m_NumTapOpens); - p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; - p_IRP->IoStatus.Information = 0; - } - else - { - DEBUGP (("[%s] TAP is presently unavailable (m_TapOpens=%d)\n", - NAME (l_Adapter), l_Adapter->m_Extension.m_TapOpens)); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - p_IRP->IoStatus.Information = 0; - } - - RELEASE_MUTEX (&l_Adapter->m_Extension.m_OpenCloseMutex); - } - else - { - DEBUGP (("[%s] TAP is presently locked (m_TapOpens=%d)\n", - NAME (l_Adapter), l_Adapter->m_Extension.m_TapOpens)); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - p_IRP->IoStatus.Information = 0; - } - - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - break; - } - - //----------------------------------------------------------- - // User mode thread called CloseHandle() on the tap device - //----------------------------------------------------------- - case IRP_MJ_CLOSE: - { - BOOLEAN mutex_succeeded; - - DEBUGP (("[%s] [TAP] release [%d.%d] close/cleanup request\n", - NAME (l_Adapter), TAP_DRIVER_MAJOR_VERSION, - TAP_DRIVER_MINOR_VERSION)); - - ACQUIRE_MUTEX_ADAPTIVE (&l_Adapter->m_Extension.m_OpenCloseMutex, mutex_succeeded); - if (mutex_succeeded) - { - l_Adapter->m_Extension.m_TapOpens = 0; - ResetTapAdapterState (l_Adapter); - FlushQueues (&l_Adapter->m_Extension); - SetMediaStatus (l_Adapter, FALSE); - RELEASE_MUTEX (&l_Adapter->m_Extension.m_OpenCloseMutex); - } - else - { - DEBUGP (("[%s] TAP is presently locked (m_TapOpens=%d)\n", - NAME (l_Adapter), l_Adapter->m_Extension.m_TapOpens)); - NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - p_IRP->IoStatus.Information = 0; - } - - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - break; - } - - //------------------ - // Strange Request - //------------------ - default: - { - //NOTE_ERROR (); - p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - break; - } - } - - return l_Status; -} - -//============================================================= -// CompleteIRP is normally called with an adapter -> userspace -// network packet and an IRP (Pending I/O request) from userspace. -// -// The IRP will normally represent a queued overlapped read -// operation from userspace that is in a wait state. -// -// Use the ethernet packet to satisfy the IRP. -//============================================================= - -NTSTATUS -CompleteIRP (IN PIRP p_IRP, - IN TapPacketPointer p_PacketBuffer, - IN CCHAR PriorityBoost) -{ - NTSTATUS l_Status = STATUS_UNSUCCESSFUL; - - int offset; - int len; - - MYASSERT (p_IRP); - MYASSERT (p_PacketBuffer); - - IoSetCancelRoutine (p_IRP, NULL); // Disable cancel routine - - //------------------------------------------- - // While p_PacketBuffer always contains a - // full ethernet packet, including the - // ethernet header, in point-to-point mode, - // we only want to return the IPv4 - // component. - //------------------------------------------- - - if (p_PacketBuffer->m_SizeFlags & TP_TUN) - { - offset = ETHERNET_HEADER_SIZE; - len = (int) (p_PacketBuffer->m_SizeFlags & TP_SIZE_MASK) - ETHERNET_HEADER_SIZE; - } - else - { - offset = 0; - len = (p_PacketBuffer->m_SizeFlags & TP_SIZE_MASK); - } - - if (len < 0 || (int) p_IRP->IoStatus.Information < len) - { - p_IRP->IoStatus.Information = 0; - p_IRP->IoStatus.Status = STATUS_BUFFER_OVERFLOW; - NOTE_ERROR (); - } - else - { - p_IRP->IoStatus.Information = len; - p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; - - __try - { - NdisMoveMemory (p_IRP->AssociatedIrp.SystemBuffer, - p_PacketBuffer->m_Data + offset, - len); - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - NOTE_ERROR (); - p_IRP->IoStatus.Status = STATUS_UNSUCCESSFUL; - p_IRP->IoStatus.Information = 0; - } - } - - __try - { - NdisFreeMemory (p_PacketBuffer, - TAP_PACKET_SIZE (p_PacketBuffer->m_SizeFlags & TP_SIZE_MASK), - 0); - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - } - - if (l_Status == STATUS_SUCCESS) - { - IoCompleteRequest (p_IRP, PriorityBoost); - } - else - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); - - return l_Status; -} - -//============================================== -// IRPs get cancelled for a number of reasons. -// -// The TAP device could be closed by userspace -// when there are still pending read operations. -// -// The user could disable the TAP adapter in the -// network connections control panel, while the -// device is still open by a process. -//============================================== -VOID -CancelIRPCallback (IN PDEVICE_OBJECT p_DeviceObject, - IN PIRP p_IRP) -{ - TapAdapterPointer l_Adapter = LookupAdapterInInstanceList (p_DeviceObject); - CancelIRP (l_Adapter ? &l_Adapter->m_Extension : NULL, p_IRP, TRUE); -} - -VOID -CancelIRP (TapExtensionPointer p_Extension, - IN PIRP p_IRP, - BOOLEAN callback) -{ - BOOLEAN exists = FALSE; - - MYASSERT (p_IRP); - - if (p_Extension) - { - NdisAcquireSpinLock (&p_Extension->m_QueueLock); - exists = (QueueExtract (p_Extension->m_IrpQueue, p_IRP) == p_IRP); - NdisReleaseSpinLock (&p_Extension->m_QueueLock); - } - else - exists = TRUE; - - if (exists) - { - IoSetCancelRoutine (p_IRP, NULL); - p_IRP->IoStatus.Status = STATUS_CANCELLED; - p_IRP->IoStatus.Information = 0; - } - - if (callback) - IoReleaseCancelSpinLock (p_IRP->CancelIrql); - - if (exists) - IoCompleteRequest (p_IRP, IO_NO_INCREMENT); -} - -//=========================================== -// Exhaust packet, IRP, and injection queues. -//=========================================== -VOID -FlushQueues (TapExtensionPointer p_Extension) -{ - PIRP l_IRP; - TapPacketPointer l_PacketBuffer; - InjectPacketPointer l_InjectBuffer; - int n_IRP=0, n_Packet=0, n_Inject=0; - - MYASSERT (p_Extension); - MYASSERT (p_Extension->m_TapDevice); - - while (TRUE) - { - NdisAcquireSpinLock (&p_Extension->m_QueueLock); - l_IRP = QueuePop (p_Extension->m_IrpQueue); - NdisReleaseSpinLock (&p_Extension->m_QueueLock); - if (l_IRP) - { - ++n_IRP; - CancelIRP (NULL, l_IRP, FALSE); - } - else - break; - } - - while (TRUE) - { - NdisAcquireSpinLock (&p_Extension->m_QueueLock); - l_PacketBuffer = QueuePop (p_Extension->m_PacketQueue); - NdisReleaseSpinLock (&p_Extension->m_QueueLock); - if (l_PacketBuffer) - { - ++n_Packet; - MemFree (l_PacketBuffer, TAP_PACKET_SIZE (l_PacketBuffer->m_SizeFlags & TP_SIZE_MASK)); - } - else - break; - } - - while (TRUE) - { - NdisAcquireSpinLock (&p_Extension->m_InjectLock); - l_InjectBuffer = QueuePop (p_Extension->m_InjectQueue); - NdisReleaseSpinLock (&p_Extension->m_InjectLock); - if (l_InjectBuffer) - { - ++n_Inject; - INJECT_PACKET_FREE(l_InjectBuffer); - } - else - break; - } - - DEBUGP (( - "[%s] [TAP] FlushQueues n_IRP=[%d,%d,%d] n_Packet=[%d,%d,%d] n_Inject=[%d,%d,%d]\n", - p_Extension->m_TapName, - n_IRP, - p_Extension->m_IrpQueue->max_size, - IRP_QUEUE_SIZE, - n_Packet, - p_Extension->m_PacketQueue->max_size, - PACKET_QUEUE_SIZE, - n_Inject, - p_Extension->m_InjectQueue->max_size, - INJECT_QUEUE_SIZE - )); -} - -//=================================================== -// Tell Windows whether the TAP device should be -// considered "connected" or "disconnected". -//=================================================== -VOID -SetMediaStatus (TapAdapterPointer p_Adapter, BOOLEAN state) -{ - if (p_Adapter->m_MediaState != state && !p_Adapter->m_MediaStateAlwaysConnected) - { - if (state) - NdisMIndicateStatus (p_Adapter->m_MiniportAdapterHandle, - NDIS_STATUS_MEDIA_CONNECT, NULL, 0); - else - NdisMIndicateStatus (p_Adapter->m_MiniportAdapterHandle, - NDIS_STATUS_MEDIA_DISCONNECT, NULL, 0); - - NdisMIndicateStatusComplete (p_Adapter->m_MiniportAdapterHandle); - p_Adapter->m_MediaState = state; - } -} - - -//====================================================== -// If DHCP mode is used together with tun -// mode, consider the fact that the P2P remote subnet -// might enclose the DHCP masq server address. -//====================================================== -VOID -CheckIfDhcpAndTunMode (TapAdapterPointer p_Adapter) -{ -#if 0 - if (p_Adapter->m_tun && p_Adapter->m_dhcp_enabled) - { - if ((p_Adapter->m_dhcp_server_ip & p_Adapter->m_remoteNetmask) == p_Adapter->m_remoteNetwork) - { - COPY_MAC (p_Adapter->m_dhcp_server_mac, p_Adapter->m_TapToUser.dest); - p_Adapter->m_dhcp_server_arp = FALSE; - } - } -#endif -} - -#if 0 -//=================================================== -// Generate an ARP reply message for specific kinds -// ARP queries. -//=================================================== -BOOLEAN -ProcessARP (TapAdapterPointer p_Adapter, - const PARP_PACKET src, - const IPADDR adapter_ip, - const IPADDR ip_network, - const IPADDR ip_netmask, - const MACADDR mac) -{ - //----------------------------------------------- - // Is this the kind of packet we are looking for? - //----------------------------------------------- - if (src->m_Proto == htons (ETH_P_ARP) - && MAC_EQUAL (src->m_MAC_Source, p_Adapter->m_MAC) - && MAC_EQUAL (src->m_ARP_MAC_Source, p_Adapter->m_MAC) - && MAC_EQUAL (src->m_MAC_Destination, p_Adapter->m_MAC_Broadcast) - && src->m_ARP_Operation == htons (ARP_REQUEST) - && src->m_MAC_AddressType == htons (MAC_ADDR_TYPE) - && src->m_MAC_AddressSize == sizeof (MACADDR) - && src->m_PROTO_AddressType == htons (ETH_P_IP) - && src->m_PROTO_AddressSize == sizeof (IPADDR) - && src->m_ARP_IP_Source == adapter_ip - && (src->m_ARP_IP_Destination & ip_netmask) == ip_network - && src->m_ARP_IP_Destination != adapter_ip) - { - ARP_PACKET *arp = (ARP_PACKET *) MemAlloc (sizeof (ARP_PACKET), TRUE); - if (arp) - { - //---------------------------------------------- - // Initialize ARP reply fields - //---------------------------------------------- - arp->m_Proto = htons (ETH_P_ARP); - arp->m_MAC_AddressType = htons (MAC_ADDR_TYPE); - arp->m_PROTO_AddressType = htons (ETH_P_IP); - arp->m_MAC_AddressSize = sizeof (MACADDR); - arp->m_PROTO_AddressSize = sizeof (IPADDR); - arp->m_ARP_Operation = htons (ARP_REPLY); - - //---------------------------------------------- - // ARP addresses - //---------------------------------------------- - COPY_MAC (arp->m_MAC_Source, mac); - COPY_MAC (arp->m_MAC_Destination, p_Adapter->m_MAC); - COPY_MAC (arp->m_ARP_MAC_Source, mac); - COPY_MAC (arp->m_ARP_MAC_Destination, p_Adapter->m_MAC); - arp->m_ARP_IP_Source = src->m_ARP_IP_Destination; - arp->m_ARP_IP_Destination = adapter_ip; - - DUMP_PACKET ("ProcessARP", - (unsigned char *) arp, - sizeof (ARP_PACKET)); - - InjectPacketDeferred (p_Adapter, (UCHAR *) arp, sizeof (ARP_PACKET)); - - MemFree (arp, sizeof (ARP_PACKET)); - } - - return TRUE; - } - else - return FALSE; -} -#endif - -//=============================================================== -// Used in cases where internally generated packets such as -// ARP or DHCP replies must be returned to the kernel, to be -// seen as an incoming packet "arriving" on the interface. -//=============================================================== - -// Defer packet injection till IRQL < DISPATCH_LEVEL -VOID -InjectPacketDeferred (TapAdapterPointer p_Adapter, - UCHAR *packet, - const unsigned int len) -{ - InjectPacketPointer l_InjectBuffer; - PVOID result; - - if (NdisAllocateMemoryWithTag (&l_InjectBuffer, - INJECT_PACKET_SIZE (len), - 'IPAT') == NDIS_STATUS_SUCCESS) - { - l_InjectBuffer->m_Size = len; - NdisMoveMemory (l_InjectBuffer->m_Data, packet, len); - NdisAcquireSpinLock (&p_Adapter->m_Extension.m_InjectLock); - result = QueuePush (p_Adapter->m_Extension.m_InjectQueue, l_InjectBuffer); - NdisReleaseSpinLock (&p_Adapter->m_Extension.m_InjectLock); - if (result) - KeInsertQueueDpc (&p_Adapter->m_Extension.m_InjectDpc, p_Adapter, NULL); - else - INJECT_PACKET_FREE(l_InjectBuffer); - } -} - -// Handle the injection of previously deferred packets -VOID -InjectPacketDpc(KDPC *Dpc, - PVOID DeferredContext, - PVOID SystemArgument1, - PVOID SystemArgument2) -{ - InjectPacketPointer l_InjectBuffer; - TapAdapterPointer l_Adapter = (TapAdapterPointer)SystemArgument1; - while (TRUE) - { - NdisAcquireSpinLock (&l_Adapter->m_Extension.m_InjectLock); - l_InjectBuffer = QueuePop (l_Adapter->m_Extension.m_InjectQueue); - NdisReleaseSpinLock (&l_Adapter->m_Extension.m_InjectLock); - if (l_InjectBuffer) - { - InjectPacketNow(l_Adapter, l_InjectBuffer->m_Data, l_InjectBuffer->m_Size); - INJECT_PACKET_FREE(l_InjectBuffer); - } - else - break; - } -} - -// Do packet injection now -VOID -InjectPacketNow (TapAdapterPointer p_Adapter, - UCHAR *packet, - const unsigned int len) -{ - MYASSERT (len >= ETHERNET_HEADER_SIZE); - - __try - { - //------------------------------------------------------------ - // NdisMEthIndicateReceive and NdisMEthIndicateReceiveComplete - // could potentially be called reentrantly both here and in - // TapDeviceHook/IRP_MJ_WRITE. - // - // The DDK docs imply that this is okay. - // - // Note that reentrant behavior could only occur if the - // non-deferred version of InjectPacket is used. - //------------------------------------------------------------ - NdisMEthIndicateReceive - (p_Adapter->m_MiniportAdapterHandle, - (NDIS_HANDLE) p_Adapter, - packet, - ETHERNET_HEADER_SIZE, - packet + ETHERNET_HEADER_SIZE, - len - ETHERNET_HEADER_SIZE, - len - ETHERNET_HEADER_SIZE); - - NdisMEthIndicateReceiveComplete (p_Adapter->m_MiniportAdapterHandle); - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - DEBUGP (("[%s] NdisMEthIndicateReceive failed in InjectPacketNow\n", - NAME (p_Adapter))); - NOTE_ERROR (); - } -} - -//=================================================================== -// Go back to default TAP mode from Point-To-Point mode. -// Also reset (i.e. disable) DHCP Masq mode. -//=================================================================== -VOID ResetTapAdapterState (TapAdapterPointer p_Adapter) -{ -#if 0 - // Point-To-Point - p_Adapter->m_tun = FALSE; - p_Adapter->m_localIP = 0; - p_Adapter->m_remoteNetwork = 0; - p_Adapter->m_remoteNetmask = 0; - NdisZeroMemory (&p_Adapter->m_TapToUser, sizeof (p_Adapter->m_TapToUser)); - NdisZeroMemory (&p_Adapter->m_UserToTap, sizeof (p_Adapter->m_UserToTap)); - NdisZeroMemory (&p_Adapter->m_UserToTap_IPv6, sizeof (p_Adapter->m_UserToTap_IPv6)); - - // DHCP Masq - p_Adapter->m_dhcp_enabled = FALSE; - p_Adapter->m_dhcp_server_arp = FALSE; - p_Adapter->m_dhcp_user_supplied_options_buffer_len = 0; - p_Adapter->m_dhcp_addr = 0; - p_Adapter->m_dhcp_netmask = 0; - p_Adapter->m_dhcp_server_ip = 0; - p_Adapter->m_dhcp_lease_time = 0; - p_Adapter->m_dhcp_received_discover = FALSE; - p_Adapter->m_dhcp_bad_requests = 0; - NdisZeroMemory (p_Adapter->m_dhcp_server_mac, sizeof (MACADDR)); -#endif -} - -#if ENABLE_NONADMIN - -//=================================================================== -// Set TAP device handle to be accessible without admin privileges. -//=================================================================== -VOID AllowNonAdmin (TapExtensionPointer p_Extension) -{ - NTSTATUS stat; - SECURITY_DESCRIPTOR sd; - OBJECT_ATTRIBUTES oa; - IO_STATUS_BLOCK isb; - HANDLE hand = NULL; - - NdisZeroMemory (&sd, sizeof (sd)); - NdisZeroMemory (&oa, sizeof (oa)); - NdisZeroMemory (&isb, sizeof (isb)); - - if (!p_Extension->m_CreatedUnicodeLinkName) - { - DEBUGP (("[TAP] AllowNonAdmin: UnicodeLinkName is uninitialized\n")); - NOTE_ERROR (); - return; - } - - stat = RtlCreateSecurityDescriptor (&sd, SECURITY_DESCRIPTOR_REVISION); - if (stat != STATUS_SUCCESS) - { - DEBUGP (("[TAP] AllowNonAdmin: RtlCreateSecurityDescriptor failed\n")); - NOTE_ERROR (); - return; - } - - InitializeObjectAttributes ( - &oa, - &p_Extension->m_UnicodeLinkName, - OBJ_KERNEL_HANDLE, - NULL, - NULL - ); - - stat = ZwOpenFile ( - &hand, - WRITE_DAC, - &oa, - &isb, - 0, - 0 - ); - if (stat != STATUS_SUCCESS) - { - DEBUGP (("[TAP] AllowNonAdmin: ZwOpenFile failed, status=0x%08x\n", (unsigned int)stat)); - NOTE_ERROR (); - return; - } - - stat = ZwSetSecurityObject (hand, DACL_SECURITY_INFORMATION, &sd); - if (stat != STATUS_SUCCESS) - { - DEBUGP (("[TAP] AllowNonAdmin: ZwSetSecurityObject failed\n")); - NOTE_ERROR (); - return; - } - - stat = ZwClose (hand); - if (stat != STATUS_SUCCESS) - { - DEBUGP (("[TAP] AllowNonAdmin: ZwClose failed\n")); - NOTE_ERROR (); - return; - } - - DEBUGP (("[TAP] AllowNonAdmin: SUCCEEDED\n")); -} - -#endif - -#if PACKET_TRUNCATION_CHECK - -VOID -IPv4PacketSizeVerify (const UCHAR *data, ULONG length, BOOLEAN tun, const char *prefix, LONG *counter) -{ - const IPHDR *ip; - int len = length; - - if (tun) - { - ip = (IPHDR *) data; - } - else - { - if (length >= sizeof (ETH_HEADER)) - { - const ETH_HEADER *eth = (ETH_HEADER *) data; - - if (eth->proto != htons (ETH_P_IP)) - return; - - ip = (IPHDR *) (data + sizeof (ETH_HEADER)); - len -= sizeof (ETH_HEADER); - } - else - return; - } - - if (len >= sizeof (IPHDR)) - { - const int totlen = ntohs (ip->tot_len); - - DEBUGP (("[TAP] IPv4PacketSizeVerify %s len=%d totlen=%d\n", prefix, len, totlen)); - - if (len != totlen) - ++(*counter); - } -} - -#endif - -//====================================================================== -// End of Source -//====================================================================== diff --git a/vsprojects/TapDriver/testcert.pfx b/vsprojects/TapDriver/testcert.pfx deleted file mode 100644 index 74f6b471..00000000 Binary files a/vsprojects/TapDriver/testcert.pfx and /dev/null differ diff --git a/vsprojects/TapDriver/types.h b/vsprojects/TapDriver/types.h deleted file mode 100644 index 4867a3e4..00000000 --- a/vsprojects/TapDriver/types.h +++ /dev/null @@ -1,182 +0,0 @@ -/* - * TAP-Windows -- A kernel driver to provide virtual tap - * device functionality on Windows. - * - * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. - * - * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., - * and is released under the GPL version 2 (see below). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef TAP_TYPES_DEFINED -#define TAP_TYPES_DEFINED - -typedef struct _Queue -{ - ULONG base; - ULONG size; - ULONG capacity; - ULONG max_size; - PVOID data[]; -} Queue; - -typedef struct _TapAdapter; -typedef struct _TapPacket; - -typedef union _TapAdapterQuery -{ - NDIS_HARDWARE_STATUS m_HardwareStatus; - NDIS_MEDIUM m_Medium; - NDIS_PHYSICAL_MEDIUM m_PhysicalMedium; - UCHAR m_MacAddress [6]; - UCHAR m_Buffer [256]; - ULONG m_Long; - USHORT m_Short; - UCHAR m_Byte; -} -TapAdapterQuery, *TapAdapterQueryPointer; - -typedef struct _TapExtension -{ - // TAP device object and packet queues - Queue *m_PacketQueue, *m_IrpQueue; - PDEVICE_OBJECT m_TapDevice; - NDIS_HANDLE m_TapDeviceHandle; - ULONG m_TapOpens; - - // Used to lock packet queues - NDIS_SPIN_LOCK m_QueueLock; - BOOLEAN m_AllocatedSpinlocks; - - // Used to bracket open/close - // state changes. - MUTEX m_OpenCloseMutex; - - // True if device has been permanently halted - BOOLEAN m_Halt; - - // TAP device name - unsigned char *m_TapName; - UNICODE_STRING m_UnicodeLinkName; - BOOLEAN m_CreatedUnicodeLinkName; - - // Used for device status ioctl only - const char *m_LastErrorFilename; - int m_LastErrorLineNumber; - LONG m_NumTapOpens; - - // Flags - BOOLEAN m_TapIsRunning; - BOOLEAN m_CalledTapDeviceFreeResources; - - // DPC queue for deferred packet injection - BOOLEAN m_InjectDpcInitialized; - KDPC m_InjectDpc; - NDIS_SPIN_LOCK m_InjectLock; - Queue *m_InjectQueue; -} -TapExtension, *TapExtensionPointer; - -typedef struct _TapPacket - { -# define TAP_PACKET_SIZE(data_size) (sizeof (TapPacket) + (data_size)) -# define TP_TUN 0x80000000 -# define TP_SIZE_MASK (~TP_TUN) - ULONG m_SizeFlags; - UCHAR m_Data []; // m_Data must be the last struct member - } -TapPacket, *TapPacketPointer; - -typedef struct _InjectPacket - { -# define INJECT_PACKET_SIZE(data_size) (sizeof (InjectPacket) + (data_size)) -# define INJECT_PACKET_FREE(ib) NdisFreeMemory ((ib), INJECT_PACKET_SIZE ((ib)->m_Size), 0) - ULONG m_Size; - UCHAR m_Data []; // m_Data must be the last struct member - } -InjectPacket, *InjectPacketPointer; - -typedef struct _TapAdapter -{ -# define NAME(a) ((a)->m_NameAnsi.Buffer) - ANSI_STRING m_NameAnsi; - MACADDR m_MAC; - BOOLEAN m_InterfaceIsRunning; - NDIS_HANDLE m_MiniportAdapterHandle; - LONG m_Rx, m_Tx, m_RxErr, m_TxErr; -#if PACKET_TRUNCATION_CHECK - LONG m_RxTrunc, m_TxTrunc; -#endif - NDIS_MEDIUM m_Medium; - ULONG m_Lookahead; - ULONG m_MTU; - - // TRUE if adapter should always be - // "connected" even when device node - // is not open by a userspace process. - BOOLEAN m_MediaStateAlwaysConnected; - - // TRUE if device is "connected" - BOOLEAN m_MediaState; - - // Adapter power state - char m_DeviceState; - -#if 0 - // Info for point-to-point mode - BOOLEAN m_tun; - IPADDR m_localIP; - IPADDR m_remoteNetwork; - IPADDR m_remoteNetmask; - ETH_HEADER m_TapToUser; - ETH_HEADER m_UserToTap; - ETH_HEADER m_UserToTap_IPv6; // same as UserToTap but proto=ipv6 - MACADDR m_MAC_Broadcast; -#endif - -#if 0 - // Used for DHCP server masquerade - BOOLEAN m_dhcp_enabled; - IPADDR m_dhcp_addr; - ULONG m_dhcp_netmask; - IPADDR m_dhcp_server_ip; - BOOLEAN m_dhcp_server_arp; - MACADDR m_dhcp_server_mac; - ULONG m_dhcp_lease_time; - UCHAR m_dhcp_user_supplied_options_buffer[DHCP_USER_SUPPLIED_OPTIONS_BUFFER_SIZE]; - ULONG m_dhcp_user_supplied_options_buffer_len; - BOOLEAN m_dhcp_received_discover; - ULONG m_dhcp_bad_requests; -#endif - - // Help to tear down the adapter by keeping - // some state information on allocated - // resources. - BOOLEAN m_CalledAdapterFreeResources; - BOOLEAN m_RegisteredAdapterShutdownHandler; - - // Multicast list info - NDIS_SPIN_LOCK m_MCLock; - BOOLEAN m_MCLockAllocated; - ULONG m_MCListSize; - MC_LIST m_MCList; - - // Information on the TAP device - TapExtension m_Extension; -} TapAdapter, *TapAdapterPointer; - -#endif diff --git a/vsprojects/TapDriver/ztTap100.inf b/vsprojects/TapDriver/ztTap100.inf deleted file mode 100644 index cf31e9ff..00000000 --- a/vsprojects/TapDriver/ztTap100.inf +++ /dev/null @@ -1,84 +0,0 @@ -[Version] -Signature="$WINDOWS NT$" -Class=Net -ClassGuid={4d36e972-e325-11ce-bfc1-08002be10318} -Provider=%Provider% -CatalogFile=ztTap100.cat - - -[Strings] -DeviceDescription = "ZeroTier One Ethernet Tap" -Provider = "ZeroTier Networks" - -[Manufacturer] -%Provider%=ztTap100,NTamd64 - -[ztTap100] -%DeviceDescription%=ztTap100.ndi,ztTap100 - -[ztTap100.NTamd64] -%DeviceDescription%=ztTap100.ndi,ztTap100 - -[ztTap100.ndi] -CopyFiles = ztTap100.driver,ztTap100.files -AddReg = ztTap100.reg -AddReg = ztTap100.params.reg -Characteristics = 0x81 - -[ztTap100.ndi.Services] -AddService = ztTap100, 2, ztTap100.service - -[ztTap100.reg] -HKR, Ndi, Service, 0, "ztTap100" -HKR, Ndi\Interfaces, UpperRange, 0, "ndis5" -HKR, Ndi\Interfaces, LowerRange, 0, "ethernet" -HKR, , Manufacturer, 0, "%Provider%" -HKR, , ProductName, 0, "%DeviceDescription%" - -[ztTap100.params.reg] -HKR, Ndi\params\MTU, ParamDesc, 0, "MTU" -HKR, Ndi\params\MTU, Type, 0, "int" -HKR, Ndi\params\MTU, Default, 0, "2800" -HKR, Ndi\params\MTU, Optional, 0, "0" -HKR, Ndi\params\MTU, Min, 0, "100" -HKR, Ndi\params\MTU, Max, 0, "2800" -HKR, Ndi\params\MTU, Step, 0, "1" -HKR, Ndi\params\MediaStatus, ParamDesc, 0, "Media Status" -HKR, Ndi\params\MediaStatus, Type, 0, "enum" -HKR, Ndi\params\MediaStatus, Default, 0, "0" -HKR, Ndi\params\MediaStatus, Optional, 0, "0" -HKR, Ndi\params\MediaStatus\enum, "0", 0, "Application Controlled" -HKR, Ndi\params\MediaStatus\enum, "1", 0, "Always Connected" -HKR, Ndi\params\MAC, ParamDesc, 0, "MAC Address" -HKR, Ndi\params\MAC, Type, 0, "edit" -HKR, Ndi\params\MAC, Optional, 0, "1" -HKR, Ndi\params\AllowNonAdmin, ParamDesc, 0, "Non-Admin Access" -HKR, Ndi\params\AllowNonAdmin, Type, 0, "enum" -HKR, Ndi\params\AllowNonAdmin, Default, 0, "0" -HKR, Ndi\params\AllowNonAdmin, Optional, 0, "0" -HKR, Ndi\params\AllowNonAdmin\enum, "0", 0, "Not Allowed" -HKR, Ndi\params\AllowNonAdmin\enum, "1", 0, "Allowed" - -[ztTap100.service] -DisplayName = %DeviceDescription% -ServiceType = 1 -StartType = 3 -ErrorControl = 1 -LoadOrderGroup = NDIS -ServiceBinary = %12%\ztTap100.sys - -[SourceDisksNames] -1 = %DeviceDescription%, ztTap100.sys - -[SourceDisksFiles] -ztTap100.sys = 1 - -[DestinationDirs] -ztTap100.files = 11 -ztTap100.driver = 12 - -[ztTap100.files] -; - -[ztTap100.driver] -ztTap100.sys,,,6 ; COPYFLG_NOSKIP | COPYFLG_NOVERSIONCHECK diff --git a/vsprojects/ZeroTierOne/ZeroTierOne.vcxproj b/vsprojects/ZeroTierOne/ZeroTierOne.vcxproj deleted file mode 100644 index 2d01154d..00000000 --- a/vsprojects/ZeroTierOne/ZeroTierOne.vcxproj +++ /dev/null @@ -1,228 +0,0 @@ - - - - - Debug - Win32 - - - Debug - x64 - - - Release - Win32 - - - Release - x64 - - - - {B00A4957-5977-4AC1-9EF4-571DC27EADA2} - ZeroTierOne - - - - Application - true - v110 - MultiByte - - - Application - true - v110 - MultiByte - - - Application - false - v110 - true - MultiByte - - - Application - false - v110 - true - MultiByte - - - - - - - - - - - - - - - - - - - .exe - $(SolutionDir)\Build\$(Platform)\$(Configuration)\ - zerotier-one-x86 - - - .exe - $(SolutionDir)\Build\$(Platform)\$(Configuration)\ - zerotier-one-x86 - - - .exe - $(SolutionDir)\Build\$(Platform)\$(Configuration)\ - zerotier-one-x64 - - - .exe - $(SolutionDir)\Build\$(Platform)\$(Configuration)\ - zerotier-one-x64 - - - - Level3 - Disabled - true - $(SolutionDir)\ext\bin\libcrypto\include - ZT_LOG_STDOUT;ZT_TRACE;%(PreprocessorDefinitions) - - - true - wsock32.lib;ws2_32.lib;iphlpapi.lib;rpcrt4.lib;$(SolutionDir)\ext\bin\libcrypto\win32-vs2012\libeay32.lib;%(AdditionalDependencies) - false - - - - - Level3 - Disabled - true - $(SolutionDir)\ext\bin\libcrypto\include - ZT_LOG_STDOUT;ZT_TRACE;%(PreprocessorDefinitions) - - - true - wsock32.lib;ws2_32.lib;iphlpapi.lib;rpcrt4.lib;$(SolutionDir)\ext\bin\libcrypto\win64-vs2012\libeay32.lib;%(AdditionalDependencies) - false - - - - - Level3 - MaxSpeed - true - true - true - $(SolutionDir)\ext\bin\libcrypto\include - ZT_LOG_STDOUT;ZT_TRACE;%(PreprocessorDefinitions) - - - true - true - true - wsock32.lib;ws2_32.lib;iphlpapi.lib;rpcrt4.lib;$(SolutionDir)\ext\bin\libcrypto\win32-vs2012\libeay32.lib;%(AdditionalDependencies) - false - - - - - Level3 - MaxSpeed - true - true - true - $(SolutionDir)\ext\bin\libcrypto\include - ZT_LOG_STDOUT;ZT_TRACE;%(PreprocessorDefinitions) - - - true - true - true - wsock32.lib;ws2_32.lib;iphlpapi.lib;rpcrt4.lib;$(SolutionDir)\ext\bin\libcrypto\win64-vs2012\libeay32.lib;%(AdditionalDependencies) - false - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - \ No newline at end of file diff --git a/vsprojects/ZeroTierOne/ZeroTierOne.vcxproj.filters b/vsprojects/ZeroTierOne/ZeroTierOne.vcxproj.filters deleted file mode 100644 index 67e668e1..00000000 --- a/vsprojects/ZeroTierOne/ZeroTierOne.vcxproj.filters +++ /dev/null @@ -1,228 +0,0 @@ - - - - - {4FC737F1-C7A5-4376-A066-2A32D752A2FF} - cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx - - - {93995380-89BD-4b04-88EB-625FBE52EBFB} - h;hpp;hxx;hm;inl;inc;xsd - - - {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} - rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms - - - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - Header Files - - - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - Source Files - - - 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$(SolutionDir)\Build\$(Platform)\$(Configuration)\ + + + + NotUsing + Level3 + Disabled + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + $(SolutionDir)\ext\bin\libcrypto\include;%(AdditionalIncludeDirectories) + + + Console + true + $(SolutionDir)\ext\bin\libcrypto\win32-vs2012\libeay32.lib;wsock32.lib;ws2_32.lib;%(AdditionalDependencies) + + + + + NotUsing + Level3 + Disabled + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + $(SolutionDir)\ext\bin\libcrypto\include;%(AdditionalIncludeDirectories) + + + Console + true + $(SolutionDir)\ext\bin\libcrypto\win32-vs2012\libeay32.lib;wsock32.lib;ws2_32.lib;%(AdditionalDependencies) + + + + + Level3 + NotUsing + MaxSpeed + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + $(SolutionDir)\ext\bin\libcrypto\include;%(AdditionalIncludeDirectories) + + + Console + true + true + true + wsock32.lib;ws2_32.lib;iphlpapi.lib;$(SolutionDir)\ext\bin\libcrypto\win32-vs2012\libeay32.lib;%(AdditionalDependencies) + false + + + + + Level3 + NotUsing + MaxSpeed + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + $(SolutionDir)\ext\bin\libcrypto\include;%(AdditionalIncludeDirectories) + + + Console + true + true + true + wsock32.lib;ws2_32.lib;iphlpapi.lib;$(SolutionDir)\ext\bin\libcrypto\win64-vs2012\libeay32.lib;%(AdditionalDependencies) + false + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/windows/SelfTest/SelfTest.vcxproj.filters b/windows/SelfTest/SelfTest.vcxproj.filters new file mode 100644 index 00000000..fa8c8331 --- /dev/null +++ b/windows/SelfTest/SelfTest.vcxproj.filters @@ -0,0 +1,227 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + \ No newline at end of file diff --git a/windows/SelfTest/targetver.h b/windows/SelfTest/targetver.h new file mode 100644 index 00000000..87c0086d --- /dev/null +++ b/windows/SelfTest/targetver.h @@ -0,0 +1,8 @@ +#pragma once + +// Including SDKDDKVer.h defines the highest available Windows platform. + +// If you wish to build your application for a previous Windows platform, include WinSDKVer.h and +// set the _WIN32_WINNT macro to the platform you wish to support before including SDKDDKVer.h. + +#include diff --git a/windows/TapDriver Package/TapDriver Package.vcxproj b/windows/TapDriver Package/TapDriver Package.vcxproj new file mode 100644 index 00000000..6ac36e9e --- /dev/null +++ b/windows/TapDriver Package/TapDriver Package.vcxproj @@ -0,0 +1,155 @@ + + + + + Win8 Debug + Win32 + + + Win8 Release + Win32 + + + Win7 Debug + Win32 + + + Win7 Release + Win32 + + + Vista Debug + Win32 + + + Vista Release + Win32 + + + Win8 Debug + x64 + + + Win8 Release + x64 + + + Win7 Debug + x64 + + + Win7 Release + x64 + + + Vista Debug + x64 + + + Vista Release + x64 + + + + {FDA1DD8D-1D56-4BC1-B402-FCC0B550D946} + {4605da2c-74a5-4865-98e1-152ef136825f} + v4.5 + 11.0 + Win8 Debug + Win32 + + + TapDriver_Package + $(VCTargetsPath11) + + + WindowsKernelModeDriver8.0 + Utility + Package + true + + + + Windows8 + true + + + Windows8 + false + + + Windows7 + true + + + Windows7 + false + + + Vista + true + + + Vista + false + + + Windows8 + true + + + Windows8 + false + + + Windows7 + true + + + Windows7 + false + + + Vista + true + + + Vista + false + + + + + + + + + + + DbgengKernelDebugger + False + True + + + + False + False + True + + 133563 + $(OutDir)TapDriver Package + + + + + + + + + {689210b1-467c-4850-bb7d-2e10d5b4a3da} + + + + + + \ No newline at end of file diff --git a/windows/TapDriver Package/TapDriver Package.vcxproj.filters b/windows/TapDriver Package/TapDriver Package.vcxproj.filters new file mode 100644 index 00000000..e1b34f2a --- /dev/null +++ b/windows/TapDriver Package/TapDriver Package.vcxproj.filters @@ -0,0 +1,9 @@ + + + + + {8E41214B-6785-4CFE-B992-037D68949A14} + inf;inv;inx;mof;mc; + + + \ No newline at end of file diff --git a/windows/TapDriver/TapDriver.vcxproj b/windows/TapDriver/TapDriver.vcxproj new file mode 100644 index 00000000..03357d5f --- /dev/null +++ b/windows/TapDriver/TapDriver.vcxproj @@ -0,0 +1,352 @@ + + + + + Win8 Debug + Win32 + + + Win8 Release + Win32 + + + Win7 Debug + Win32 + + + Win7 Release + Win32 + + + Vista Debug + Win32 + + + Vista Release + Win32 + + + Win8 Debug + x64 + + + Win8 Release + x64 + + + Win7 Debug + x64 + + + Win7 Release + x64 + + + Vista Debug + x64 + + + Vista Release + x64 + + + + {689210B1-467C-4850-BB7D-2E10D5B4A3DA} + {1bc93793-694f-48fe-9372-81e2b05556fd} + v4.5 + 11.0 + Win8 Debug + Win32 + + + TapDriver + $(VCTargetsPath11) + + + WindowsKernelModeDriver8.0 + Driver + KMDF + + + + Windows8 + true + + + Windows8 + false + + + Windows7 + true + + + Windows7 + false + + + Vista + true + + + Vista + false + + + Windows8 + true + + + Windows8 + false + + + Windows7 + true + + + Windows7 + false + + + Vista + true + + + Vista + false + + + + + + + + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + $(Platform)\$(ConfigurationName)\ + + + DbgengKernelDebugger + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + $(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + $(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + $(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + $(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + $(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + + + ztTap100 + $(SolutionDir)\Build\$(Platform)\$(ConfigurationName)\ + + + + false + trace.h + true + Level2 + false + None + None + None + Level2 + false + Level2 + false + Level2 + false + Level2 + false + Level2 + false + Level2 + false + Level2 + false + Level2 + false + Level2 + false + Level2 + false + Level2 + false + None + None + None + + + C:\WinDDK\7600.16385.1\lib\wnet\i386\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\i386\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\i386\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\i386\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\i386\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\i386\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\i386\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\i386\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\i386\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\i386\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\i386\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\i386\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\amd64\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\amd64\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\amd64\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\amd64\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\amd64\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\amd64\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\amd64\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\amd64\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\amd64\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\amd64\ntstrsafe.lib;%(AdditionalDependencies) + + + C:\WinDDK\7600.16385.1\lib\wnet\amd64\ndis.lib;C:\WinDDK\7600.16385.1\lib\wnet\amd64\ntstrsafe.lib;%(AdditionalDependencies) + + + + + + + + + + + + true + true + true + true + true + true + true + true + true + true + true + true + + + true + true + true + true + true + true + true + true + true + true + true + true + + + true + true + true + true + true + true + true + true + true + true + true + true + + + true + true + true + true + true + true + true + true + true + true + true + true + + + true + true + true + true + true + true + true + true + true + true + true + true + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/windows/TapDriver/TapDriver.vcxproj.filters b/windows/TapDriver/TapDriver.vcxproj.filters new file mode 100644 index 00000000..4bac59db --- /dev/null +++ b/windows/TapDriver/TapDriver.vcxproj.filters @@ -0,0 +1,81 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + {8E41214B-6785-4CFE-B992-037D68949A14} + inf;inv;inx;mof;mc; + + + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + + + Driver Files + + + \ No newline at end of file diff --git a/windows/TapDriver/config.h b/windows/TapDriver/config.h new file mode 100644 index 00000000..5a6ff247 --- /dev/null +++ b/windows/TapDriver/config.h @@ -0,0 +1,12 @@ +#define PRODUCT_NAME "ZeroTier One Ethernet Tap" +#define PRODUCT_VERSION "1.0.0" +#define PRODUCT_VERSION_RESOURCE 1,0,0,1 +#define PRODUCT_TAP_WIN_COMPONENT_ID "ztTap100" +#define PRODUCT_TAP_WIN_MAJOR 1 +#define PRODUCT_TAP_WIN_MINOR 0 +#define PRODUCT_TAP_WIN_PROVIDER "ZeroTier Networks" +#define PRODUCT_TAP_WIN_DEVICE_DESCRIPTION PRODUCT_NAME +#define PRODUCT_TAP_WIN_RELDATE "08/01/2013" + +#define TAP_DRIVER_MAJOR_VERSION PRODUCT_TAP_WIN_MAJOR +#define TAP_DRIVER_MINOR_VERSION PRODUCT_TAP_WIN_MINOR diff --git a/windows/TapDriver/constants.h b/windows/TapDriver/constants.h new file mode 100644 index 00000000..698dc629 --- /dev/null +++ b/windows/TapDriver/constants.h @@ -0,0 +1,52 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +//==================================================================== +// Product and Version public settings +//==================================================================== + +#define PRODUCT_STRING PRODUCT_TAP_DEVICE_DESCRIPTION + +#define TAP_NDIS_MAJOR_VERSION 5 +#define TAP_NDIS_MINOR_VERSION 0 + +//=========================================================== +// Driver constants +//=========================================================== + +#define ETHERNET_HEADER_SIZE (sizeof (ETH_HEADER)) +#define ETHERNET_MTU 2800 // ZeroTier One MTU +#define ETHERNET_PACKET_SIZE (ETHERNET_MTU + ETHERNET_HEADER_SIZE) +#define DEFAULT_PACKET_LOOKAHEAD (ETHERNET_PACKET_SIZE) + +#define NIC_MAX_MCAST_LIST 32 // Max length of multicast address list + +#define MINIMUM_MTU 576 // USE TCP Minimum MTU +#define MAXIMUM_MTU 65536 // IP maximum MTU + +#define PACKET_QUEUE_SIZE 64 // tap -> userspace queue size +#define IRP_QUEUE_SIZE 16 // max number of simultaneous i/o operations from userspace +#define INJECT_QUEUE_SIZE 16 // DHCP/ARP -> tap injection queue + +#define TAP_LITTLE_ENDIAN // affects ntohs, htonl, etc. functions diff --git a/windows/TapDriver/dhcp.c b/windows/TapDriver/dhcp.c new file mode 100644 index 00000000..f3c61d6f --- /dev/null +++ b/windows/TapDriver/dhcp.c @@ -0,0 +1,603 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#if 0 + +//========================= +// Code to set DHCP options +//========================= + +VOID +SetDHCPOpt (DHCPMsg *m, void *data, unsigned int len) +{ + if (!m->overflow) + { + if (m->optlen + len <= DHCP_OPTIONS_BUFFER_SIZE) + { + if (len) + { + NdisMoveMemory (m->msg.options + m->optlen, data, len); + m->optlen += len; + } + } + else + { + m->overflow = TRUE; + } + } +} + +VOID +SetDHCPOpt0 (DHCPMsg *msg, int type) +{ + DHCPOPT0 opt; + opt.type = (UCHAR) type; + SetDHCPOpt (msg, &opt, sizeof (opt)); +} + +VOID +SetDHCPOpt8 (DHCPMsg *msg, int type, ULONG data) +{ + DHCPOPT8 opt; + opt.type = (UCHAR) type; + opt.len = sizeof (opt.data); + opt.data = (UCHAR) data; + SetDHCPOpt (msg, &opt, sizeof (opt)); +} + +VOID +SetDHCPOpt32 (DHCPMsg *msg, int type, ULONG data) +{ + DHCPOPT32 opt; + opt.type = (UCHAR) type; + opt.len = sizeof (opt.data); + opt.data = data; + SetDHCPOpt (msg, &opt, sizeof (opt)); +} + +//============== +// Checksum code +//============== + +USHORT +ip_checksum (const UCHAR *buf, const int len_ip_header) +{ + USHORT word16; + ULONG sum = 0; + int i; + + // make 16 bit words out of every two adjacent 8 bit words in the packet + // and add them up + for (i = 0; i < len_ip_header - 1; i += 2) { + word16 = ((buf[i] << 8) & 0xFF00) + (buf[i+1] & 0xFF); + sum += (ULONG) word16; + } + + // take only 16 bits out of the 32 bit sum and add up the carries + while (sum >> 16) + sum = (sum & 0xFFFF) + (sum >> 16); + + // one's complement the result + return ((USHORT) ~sum); +} + +USHORT +udp_checksum (const UCHAR *buf, + const int len_udp, + const UCHAR *src_addr, + const UCHAR *dest_addr) +{ + USHORT word16; + ULONG sum = 0; + int i; + + // make 16 bit words out of every two adjacent 8 bit words and + // calculate the sum of all 16 bit words + for (i = 0; i < len_udp; i += 2){ + word16 = ((buf[i] << 8) & 0xFF00) + ((i + 1 < len_udp) ? (buf[i+1] & 0xFF) : 0); + sum += word16; + } + + // add the UDP pseudo header which contains the IP source and destination addresses + for (i = 0; i < 4; i += 2){ + word16 =((src_addr[i] << 8) & 0xFF00) + (src_addr[i+1] & 0xFF); + sum += word16; + } + for (i = 0; i < 4; i += 2){ + word16 =((dest_addr[i] << 8) & 0xFF00) + (dest_addr[i+1] & 0xFF); + sum += word16; + } + + // the protocol number and the length of the UDP packet + sum += (USHORT) IPPROTO_UDP + (USHORT) len_udp; + + // keep only the last 16 bits of the 32 bit calculated sum and add the carries + while (sum >> 16) + sum = (sum & 0xFFFF) + (sum >> 16); + + // Take the one's complement of sum + return ((USHORT) ~sum); +} + +//================================ +// Set IP and UDP packet checksums +//================================ + +VOID +SetChecksumDHCPMsg (DHCPMsg *m) +{ + // Set IP checksum + m->msg.pre.ip.check = htons (ip_checksum ((UCHAR *) &m->msg.pre.ip, sizeof (IPHDR))); + + // Set UDP Checksum + m->msg.pre.udp.check = htons (udp_checksum ((UCHAR *) &m->msg.pre.udp, + sizeof (UDPHDR) + sizeof (DHCP) + m->optlen, + (UCHAR *)&m->msg.pre.ip.saddr, + (UCHAR *)&m->msg.pre.ip.daddr)); +} + +//=================== +// DHCP message tests +//=================== + +int +GetDHCPMessageType (const DHCP *dhcp, const int optlen) +{ + const UCHAR *p = (UCHAR *) (dhcp + 1); + int i; + + for (i = 0; i < optlen; ++i) + { + const UCHAR type = p[i]; + const int room = optlen - i - 1; + if (type == DHCP_END) // didn't find what we were looking for + return -1; + else if (type == DHCP_PAD) // no-operation + ; + else if (type == DHCP_MSG_TYPE) // what we are looking for + { + if (room >= 2) + { + if (p[i+1] == 1) // message length should be 1 + return p[i+2]; // return message type + } + return -1; + } + else // some other message + { + if (room >= 1) + { + const int len = p[i+1]; // get message length + i += (len + 1); // advance to next message + } + } + } + return -1; +} + +BOOLEAN +DHCPMessageOurs (const TapAdapterPointer p_Adapter, + const ETH_HEADER *eth, + const IPHDR *ip, + const UDPHDR *udp, + const DHCP *dhcp) +{ + // Must be UDPv4 protocol + if (!(eth->proto == htons (ETH_P_IP) && ip->protocol == IPPROTO_UDP)) + return FALSE; + + // Source MAC must be our adapter + if (!MAC_EQUAL (eth->src, p_Adapter->m_MAC)) + return FALSE; + + // Dest MAC must be either broadcast or our virtual DHCP server + if (!(MAC_EQUAL (eth->dest, p_Adapter->m_MAC_Broadcast) + || MAC_EQUAL (eth->dest, p_Adapter->m_dhcp_server_mac))) + return FALSE; + + // Port numbers must be correct + if (!(udp->dest == htons (BOOTPS_PORT) + && udp->source == htons (BOOTPC_PORT))) + return FALSE; + + // Hardware address must be MAC addr sized + if (!(dhcp->hlen == sizeof (MACADDR))) + return FALSE; + + // Hardware address must match our adapter + if (!MAC_EQUAL (eth->src, dhcp->chaddr)) + return FALSE; + + return TRUE; +} + + +//===================================================== +// Build all of DHCP packet except for DHCP options. +// Assume that *p has been zeroed before we are called. +//===================================================== + +VOID +BuildDHCPPre (const TapAdapterPointer a, + DHCPPre *p, + const ETH_HEADER *eth, + const IPHDR *ip, + const UDPHDR *udp, + const DHCP *dhcp, + const int optlen, + const int type) +{ + // Should we broadcast or direct to a specific MAC / IP address? + const BOOLEAN broadcast = (type == DHCPNAK + || MAC_EQUAL (eth->dest, a->m_MAC_Broadcast)); + // Build ethernet header + + COPY_MAC (p->eth.src, a->m_dhcp_server_mac); + + if (broadcast) + COPY_MAC (p->eth.dest, a->m_MAC_Broadcast); + else + COPY_MAC (p->eth.dest, eth->src); + + p->eth.proto = htons (ETH_P_IP); + + // Build IP header + + p->ip.version_len = (4 << 4) | (sizeof (IPHDR) >> 2); + p->ip.tos = 0; + p->ip.tot_len = htons (sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP) + optlen); + p->ip.id = 0; + p->ip.frag_off = 0; + p->ip.ttl = 16; + p->ip.protocol = IPPROTO_UDP; + p->ip.check = 0; + p->ip.saddr = a->m_dhcp_server_ip; + + if (broadcast) + p->ip.daddr = ~0; + else + p->ip.daddr = a->m_dhcp_addr; + + // Build UDP header + + p->udp.source = htons (BOOTPS_PORT); + p->udp.dest = htons (BOOTPC_PORT); + p->udp.len = htons (sizeof (UDPHDR) + sizeof (DHCP) + optlen); + p->udp.check = 0; + + // Build DHCP response + + p->dhcp.op = BOOTREPLY; + p->dhcp.htype = 1; + p->dhcp.hlen = sizeof (MACADDR); + p->dhcp.hops = 0; + p->dhcp.xid = dhcp->xid; + p->dhcp.secs = 0; + p->dhcp.flags = 0; + p->dhcp.ciaddr = 0; + + if (type == DHCPNAK) + p->dhcp.yiaddr = 0; + else + p->dhcp.yiaddr = a->m_dhcp_addr; + + p->dhcp.siaddr = a->m_dhcp_server_ip; + p->dhcp.giaddr = 0; + COPY_MAC (p->dhcp.chaddr, eth->src); + p->dhcp.magic = htonl (0x63825363); +} +//============================= +// Build specific DHCP messages +//============================= + +VOID +SendDHCPMsg (const TapAdapterPointer a, + const int type, + const ETH_HEADER *eth, + const IPHDR *ip, + const UDPHDR *udp, + const DHCP *dhcp) +{ + DHCPMsg *pkt; + + if (!(type == DHCPOFFER || type == DHCPACK || type == DHCPNAK)) + { + DEBUGP (("[TAP] SendDHCPMsg: Bad DHCP type: %d\n", type)); + return; + } + + pkt = (DHCPMsg *) MemAlloc (sizeof (DHCPMsg), TRUE); + + if (pkt) + { + //----------------------- + // Build DHCP options + //----------------------- + + // Message Type + SetDHCPOpt8 (pkt, DHCP_MSG_TYPE, type); + + // Server ID + SetDHCPOpt32 (pkt, DHCP_SERVER_ID, a->m_dhcp_server_ip); + + if (type == DHCPOFFER || type == DHCPACK) + { + // Lease Time + SetDHCPOpt32 (pkt, DHCP_LEASE_TIME, htonl (a->m_dhcp_lease_time)); + + // Netmask + SetDHCPOpt32 (pkt, DHCP_NETMASK, a->m_dhcp_netmask); + + // Other user-defined options + SetDHCPOpt (pkt, + a->m_dhcp_user_supplied_options_buffer, + a->m_dhcp_user_supplied_options_buffer_len); + } + + // End + SetDHCPOpt0 (pkt, DHCP_END); + + if (!DHCPMSG_OVERFLOW (pkt)) + { + // The initial part of the DHCP message (not including options) gets built here + BuildDHCPPre (a, + &pkt->msg.pre, + eth, + ip, + udp, + dhcp, + DHCPMSG_LEN_OPT (pkt), + type); + + SetChecksumDHCPMsg (pkt); + + DUMP_PACKET ("DHCPMsg", + DHCPMSG_BUF (pkt), + DHCPMSG_LEN_FULL (pkt)); + + // Return DHCP response to kernel + InjectPacketDeferred (a, + DHCPMSG_BUF (pkt), + DHCPMSG_LEN_FULL (pkt)); + } + else + { + DEBUGP (("[TAP] SendDHCPMsg: DHCP buffer overflow\n")); + } + + MemFree (pkt, sizeof (DHCPMsg)); + } +} + +//=================================================================== +// Handle a BOOTPS packet produced by the local system to +// resolve the address/netmask of this adapter. +// If we are in TAP_WIN_IOCTL_CONFIG_DHCP_MASQ mode, reply +// to the message. Return TRUE if we processed the passed +// message, so that downstream stages can ignore it. +//=================================================================== + +BOOLEAN +ProcessDHCP (TapAdapterPointer p_Adapter, + const ETH_HEADER *eth, + const IPHDR *ip, + const UDPHDR *udp, + const DHCP *dhcp, + int optlen) +{ + int msg_type; + + // Sanity check IP header + if (!(ntohs (ip->tot_len) == sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP) + optlen + && (ntohs (ip->frag_off) & IP_OFFMASK) == 0)) + return TRUE; + + // Does this message belong to us? + if (!DHCPMessageOurs (p_Adapter, eth, ip, udp, dhcp)) + return FALSE; + + msg_type = GetDHCPMessageType (dhcp, optlen); + + // Drop non-BOOTREQUEST messages + if (dhcp->op != BOOTREQUEST) + return TRUE; + + // Drop any messages except DHCPDISCOVER or DHCPREQUEST + if (!(msg_type == DHCPDISCOVER || msg_type == DHCPREQUEST)) + return TRUE; + + // Should we reply with DHCPOFFER, DHCPACK, or DHCPNAK? + if (msg_type == DHCPREQUEST + && ((dhcp->ciaddr && dhcp->ciaddr != p_Adapter->m_dhcp_addr) + || !p_Adapter->m_dhcp_received_discover + || p_Adapter->m_dhcp_bad_requests >= BAD_DHCPREQUEST_NAK_THRESHOLD)) + SendDHCPMsg (p_Adapter, + DHCPNAK, + eth, ip, udp, dhcp); + else + SendDHCPMsg (p_Adapter, + (msg_type == DHCPDISCOVER ? DHCPOFFER : DHCPACK), + eth, ip, udp, dhcp); + + // Remember if we received a DHCPDISCOVER + if (msg_type == DHCPDISCOVER) + p_Adapter->m_dhcp_received_discover = TRUE; + + // Is this a bad DHCPREQUEST? + if (msg_type == DHCPREQUEST && dhcp->ciaddr && dhcp->ciaddr != p_Adapter->m_dhcp_addr) + ++p_Adapter->m_dhcp_bad_requests; + + return TRUE; +} + +#if DBG + +const char * +message_op_text (int op) +{ + switch (op) + { + case BOOTREQUEST: + return "BOOTREQUEST"; + case BOOTREPLY: + return "BOOTREPLY"; + default: + return "???"; + } +} + +const char * +message_type_text (int type) +{ + switch (type) + { + case DHCPDISCOVER: + return "DHCPDISCOVER"; + case DHCPOFFER: + return "DHCPOFFER"; + case DHCPREQUEST: + return "DHCPREQUEST"; + case DHCPDECLINE: + return "DHCPDECLINE"; + case DHCPACK: + return "DHCPACK"; + case DHCPNAK: + return "DHCPNAK"; + case DHCPRELEASE: + return "DHCPRELEASE"; + case DHCPINFORM: + return "DHCPINFORM"; + default: + return "???"; + } +} + +const char * +port_name (int port) +{ + switch (port) + { + case BOOTPS_PORT: + return "BOOTPS"; + case BOOTPC_PORT: + return "BOOTPC"; + default: + return "unknown"; + } +} + +VOID +DumpDHCP (const ETH_HEADER *eth, + const IPHDR *ip, + const UDPHDR *udp, + const DHCP *dhcp, + const int optlen) +{ + DEBUGP ((" %s", message_op_text (dhcp->op))); + DEBUGP ((" %s ", message_type_text (GetDHCPMessageType (dhcp, optlen)))); + PrIP (ip->saddr); + DEBUGP ((":%s[", port_name (ntohs (udp->source)))); + PrMac (eth->src); + DEBUGP (("] -> ")); + PrIP (ip->daddr); + DEBUGP ((":%s[", port_name (ntohs (udp->dest)))); + PrMac (eth->dest); + DEBUGP (("]")); + if (dhcp->ciaddr) + { + DEBUGP ((" ci=")); + PrIP (dhcp->ciaddr); + } + if (dhcp->yiaddr) + { + DEBUGP ((" yi=")); + PrIP (dhcp->yiaddr); + } + if (dhcp->siaddr) + { + DEBUGP ((" si=")); + PrIP (dhcp->siaddr); + } + if (dhcp->hlen == sizeof (MACADDR)) + { + DEBUGP ((" ch=")); + PrMac (dhcp->chaddr); + } + + DEBUGP ((" xid=0x%08x", ntohl (dhcp->xid))); + + if (ntohl (dhcp->magic) != 0x63825363) + DEBUGP ((" ma=0x%08x", ntohl (dhcp->magic))); + if (dhcp->htype != 1) + DEBUGP ((" htype=%d", dhcp->htype)); + if (dhcp->hops) + DEBUGP ((" hops=%d", dhcp->hops)); + if (ntohs (dhcp->secs)) + DEBUGP ((" secs=%d", ntohs (dhcp->secs))); + if (ntohs (dhcp->flags)) + DEBUGP ((" flags=0x%04x", ntohs (dhcp->flags))); + + // extra stuff + + if (ip->version_len != 0x45) + DEBUGP ((" vl=0x%02x", ip->version_len)); + if (ntohs (ip->tot_len) != sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP) + optlen) + DEBUGP ((" tl=%d", ntohs (ip->tot_len))); + if (ntohs (udp->len) != sizeof (UDPHDR) + sizeof (DHCP) + optlen) + DEBUGP ((" ul=%d", ntohs (udp->len))); + + if (ip->tos) + DEBUGP ((" tos=0x%02x", ip->tos)); + if (ntohs (ip->id)) + DEBUGP ((" id=0x%04x", ntohs (ip->id))); + if (ntohs (ip->frag_off)) + DEBUGP ((" frag_off=0x%04x", ntohs (ip->frag_off))); + + DEBUGP ((" ttl=%d", ip->ttl)); + DEBUGP ((" ic=0x%04x [0x%04x]", ntohs (ip->check), + ip_checksum ((UCHAR*)ip, sizeof (IPHDR)))); + DEBUGP ((" uc=0x%04x [0x%04x/%d]", ntohs (udp->check), + udp_checksum ((UCHAR *) udp, + sizeof (UDPHDR) + sizeof (DHCP) + optlen, + (UCHAR *) &ip->saddr, + (UCHAR *) &ip->daddr), + optlen)); + + // Options + { + const UCHAR *opt = (UCHAR *) (dhcp + 1); + int i; + + DEBUGP ((" OPT")); + for (i = 0; i < optlen; ++i) + { + const UCHAR data = opt[i]; + DEBUGP ((".%d", data)); + } + } +} + +#endif /* DBG */ + +#endif diff --git a/windows/TapDriver/dhcp.h b/windows/TapDriver/dhcp.h new file mode 100644 index 00000000..92e5ca87 --- /dev/null +++ b/windows/TapDriver/dhcp.h @@ -0,0 +1,168 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#if 0 + +#pragma pack(1) + +//=================================================== +// How many bad DHCPREQUESTs do we receive before we +// return a NAK? +// +// A bad DHCPREQUEST is defined to be one where the +// requestor doesn't know its IP address. +//=================================================== + +#define BAD_DHCPREQUEST_NAK_THRESHOLD 3 + +//============================================== +// Maximum number of DHCP options bytes supplied +//============================================== + +#define DHCP_USER_SUPPLIED_OPTIONS_BUFFER_SIZE 256 +#define DHCP_OPTIONS_BUFFER_SIZE 256 + +//=================================== +// UDP port numbers of DHCP messages. +//=================================== + +#define BOOTPS_PORT 67 +#define BOOTPC_PORT 68 + +//=========================== +// The DHCP message structure +//=========================== + +typedef struct { +# define BOOTREQUEST 1 +# define BOOTREPLY 2 + UCHAR op; /* message op */ + + UCHAR htype; /* hardware address type (e.g. '1' = 10Mb Ethernet) */ + UCHAR hlen; /* hardware address length (e.g. '6' for 10Mb Ethernet) */ + UCHAR hops; /* client sets to 0, may be used by relay agents */ + ULONG xid; /* transaction ID, chosen by client */ + USHORT secs; /* seconds since request process began, set by client */ + USHORT flags; + ULONG ciaddr; /* client IP address, client sets if known */ + ULONG yiaddr; /* 'your' IP address -- server's response to client */ + ULONG siaddr; /* server IP address */ + ULONG giaddr; /* relay agent IP address */ + UCHAR chaddr[16]; /* client hardware address */ + UCHAR sname[64]; /* optional server host name */ + UCHAR file[128]; /* boot file name */ + ULONG magic; /* must be 0x63825363 (network order) */ +} DHCP; + +typedef struct { + ETH_HEADER eth; + IPHDR ip; + UDPHDR udp; + DHCP dhcp; +} DHCPPre; + +typedef struct { + DHCPPre pre; + UCHAR options[DHCP_OPTIONS_BUFFER_SIZE]; +} DHCPFull; + +typedef struct { + unsigned int optlen; + BOOLEAN overflow; + DHCPFull msg; +} DHCPMsg; + +//=================== +// Macros for DHCPMSG +//=================== + +#define DHCPMSG_LEN_BASE(p) (sizeof (DHCPPre)) +#define DHCPMSG_LEN_OPT(p) ((p)->optlen) +#define DHCPMSG_LEN_FULL(p) (DHCPMSG_LEN_BASE(p) + DHCPMSG_LEN_OPT(p)) +#define DHCPMSG_BUF(p) ((UCHAR*) &(p)->msg) +#define DHCPMSG_OVERFLOW(p) ((p)->overflow) + +//======================================== +// structs to hold individual DHCP options +//======================================== + +typedef struct { + UCHAR type; +} DHCPOPT0; + +typedef struct { + UCHAR type; + UCHAR len; + UCHAR data; +} DHCPOPT8; + +typedef struct { + UCHAR type; + UCHAR len; + ULONG data; +} DHCPOPT32; + +#pragma pack() + +//================== +// DHCP Option types +//================== + +#define DHCP_MSG_TYPE 53 /* message type (u8) */ +#define DHCP_PARM_REQ 55 /* parameter request list: c1 (u8), ... */ +#define DHCP_CLIENT_ID 61 /* client ID: type (u8), i1 (u8), ... */ +#define DHCP_IP 50 /* requested IP addr (u32) */ +#define DHCP_NETMASK 1 /* subnet mask (u32) */ +#define DHCP_LEASE_TIME 51 /* lease time sec (u32) */ +#define DHCP_RENEW_TIME 58 /* renewal time sec (u32) */ +#define DHCP_REBIND_TIME 59 /* rebind time sec (u32) */ +#define DHCP_SERVER_ID 54 /* server ID: IP addr (u32) */ +#define DHCP_PAD 0 +#define DHCP_END 255 + +//==================== +// DHCP Messages types +//==================== + +#define DHCPDISCOVER 1 +#define DHCPOFFER 2 +#define DHCPREQUEST 3 +#define DHCPDECLINE 4 +#define DHCPACK 5 +#define DHCPNAK 6 +#define DHCPRELEASE 7 +#define DHCPINFORM 8 + +#if DBG + +VOID +DumpDHCP (const ETH_HEADER *eth, + const IPHDR *ip, + const UDPHDR *udp, + const DHCP *dhcp, + const int optlen); + +#endif + +#endif diff --git a/windows/TapDriver/endian.h b/windows/TapDriver/endian.h new file mode 100644 index 00000000..0f7025d5 --- /dev/null +++ b/windows/TapDriver/endian.h @@ -0,0 +1,35 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifdef TAP_LITTLE_ENDIAN +#define ntohs(x) RtlUshortByteSwap(x) +#define htons(x) RtlUshortByteSwap(x) +#define ntohl(x) RtlUlongByteSwap(x) +#define htonl(x) RtlUlongByteSwap(x) +#else +#define ntohs(x) ((USHORT)(x)) +#define htons(x) ((USHORT)(x)) +#define ntohl(x) ((ULONG)(x)) +#define htonl(x) ((ULONG)(x)) +#endif diff --git a/windows/TapDriver/error.c b/windows/TapDriver/error.c new file mode 100644 index 00000000..e03fd114 --- /dev/null +++ b/windows/TapDriver/error.c @@ -0,0 +1,387 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +//----------------- +// DEBUGGING OUTPUT +//----------------- + +const char *g_LastErrorFilename; +int g_LastErrorLineNumber; + +#if DBG + +DebugOutput g_Debug; + +BOOLEAN +NewlineExists (const char *str, int len) +{ + while (len-- > 0) + { + const char c = *str++; + if (c == '\n') + return TRUE; + else if (c == '\0') + break; + } + return FALSE; +} + +VOID +MyDebugInit (unsigned int bufsiz) +{ + NdisZeroMemory (&g_Debug, sizeof (g_Debug)); + g_Debug.text = (char *) MemAlloc (bufsiz, FALSE); + if (g_Debug.text) + g_Debug.capacity = bufsiz; +} + +VOID +MyDebugFree () +{ + if (g_Debug.text) + MemFree (g_Debug.text, g_Debug.capacity); + NdisZeroMemory (&g_Debug, sizeof (g_Debug)); +} + +VOID +MyDebugPrint (const unsigned char* format, ...) +{ + if (g_Debug.text && g_Debug.capacity > 0 && CAN_WE_PRINT) + { + BOOLEAN owned; + ACQUIRE_MUTEX_ADAPTIVE (&g_Debug.lock, owned); + if (owned) + { + const int remaining = (int)g_Debug.capacity - (int)g_Debug.out; + + if (remaining > 0) + { + va_list args; + NTSTATUS status; + char *end; + +#ifdef DBG_PRINT + va_start (args, format); + vDbgPrintEx (DPFLTR_IHVNETWORK_ID, DPFLTR_INFO_LEVEL, format, args); + va_end (args); +#endif + va_start (args, format); + status = RtlStringCchVPrintfExA (g_Debug.text + g_Debug.out, + remaining, + &end, + NULL, + STRSAFE_NO_TRUNCATION | STRSAFE_IGNORE_NULLS, + format, + args); + va_end (args); +va_start (args, format); +vDbgPrintEx(DPFLTR_IHVDRIVER_ID , 1, format, args); +va_end (args); + if (status == STATUS_SUCCESS) + g_Debug.out = (unsigned int) (end - g_Debug.text); + else + g_Debug.error = TRUE; + } + else + g_Debug.error = TRUE; + + RELEASE_MUTEX (&g_Debug.lock); + } + else + g_Debug.error = TRUE; + } +} + +BOOLEAN +GetDebugLine (char *buf, const int len) +{ + static const char *truncated = "[OUTPUT TRUNCATED]\n"; + BOOLEAN ret = FALSE; + + NdisZeroMemory (buf, len); + + if (g_Debug.text && g_Debug.capacity > 0) + { + BOOLEAN owned; + ACQUIRE_MUTEX_ADAPTIVE (&g_Debug.lock, owned); + if (owned) + { + int i = 0; + + if (g_Debug.error || NewlineExists (g_Debug.text + g_Debug.in, (int)g_Debug.out - (int)g_Debug.in)) + { + while (i < (len - 1) && g_Debug.in < g_Debug.out) + { + const char c = g_Debug.text[g_Debug.in++]; + if (c == '\n') + break; + buf[i++] = c; + } + if (i < len) + buf[i] = '\0'; + } + + if (!i) + { + if (g_Debug.in == g_Debug.out) + { + g_Debug.in = g_Debug.out = 0; + if (g_Debug.error) + { + const unsigned int tlen = strlen (truncated); + if (tlen < g_Debug.capacity) + { + NdisMoveMemory (g_Debug.text, truncated, tlen+1); + g_Debug.out = tlen; + } + g_Debug.error = FALSE; + } + } + } + else + ret = TRUE; + + RELEASE_MUTEX (&g_Debug.lock); + } + } + return ret; +} + +VOID +MyAssert (const unsigned char *file, int line) +{ + DEBUGP (("MYASSERT failed %s/%d\n", file, line)); + KeBugCheckEx (0x0F00BABA, + (ULONG_PTR) line, + (ULONG_PTR) 0, + (ULONG_PTR) 0, + (ULONG_PTR) 0); +} + +VOID +PrMac (const MACADDR mac) +{ + DEBUGP (("%x:%x:%x:%x:%x:%x", + mac[0], mac[1], mac[2], + mac[3], mac[4], mac[5])); +} + +VOID +PrIP (IPADDR ip_addr) +{ + const unsigned char *ip = (const unsigned char *) &ip_addr; + + DEBUGP (("%d.%d.%d.%d", + ip[0], ip[1], ip[2], ip[3])); +} + +const char * +PrIPProto (int proto) +{ + switch (proto) + { + case IPPROTO_UDP: + return "UDP"; + case IPPROTO_TCP: + return "TCP"; + case IPPROTO_ICMP: + return "ICMP"; + case IPPROTO_IGMP: + return "IGMP"; + default: + return "???"; + } +} + +VOID +DumpARP (const char *prefix, const ARP_PACKET *arp) +{ + DEBUGP (("%s ARP src=", prefix)); + PrMac (arp->m_MAC_Source); + DEBUGP ((" dest=")); + PrMac (arp->m_MAC_Destination); + DEBUGP ((" OP=0x%04x", + (int)ntohs(arp->m_ARP_Operation))); + DEBUGP ((" M=0x%04x(%d)", + (int)ntohs(arp->m_MAC_AddressType), + (int)arp->m_MAC_AddressSize)); + DEBUGP ((" P=0x%04x(%d)", + (int)ntohs(arp->m_PROTO_AddressType), + (int)arp->m_PROTO_AddressSize)); + + DEBUGP ((" MacSrc=")); + PrMac (arp->m_ARP_MAC_Source); + DEBUGP ((" MacDest=")); + PrMac (arp->m_ARP_MAC_Destination); + + DEBUGP ((" IPSrc=")); + PrIP (arp->m_ARP_IP_Source); + DEBUGP ((" IPDest=")); + PrIP (arp->m_ARP_IP_Destination); + + DEBUGP (("\n")); +} + +struct ethpayload { + ETH_HEADER eth; + UCHAR payload[DEFAULT_PACKET_LOOKAHEAD]; +}; + +VOID +DumpPacket2 (const char *prefix, + const ETH_HEADER *eth, + const unsigned char *data, + unsigned int len) +{ + struct ethpayload *ep = (struct ethpayload *) MemAlloc (sizeof (struct ethpayload), TRUE); + if (ep) + { + if (len > DEFAULT_PACKET_LOOKAHEAD) + len = DEFAULT_PACKET_LOOKAHEAD; + ep->eth = *eth; + NdisMoveMemory (ep->payload, data, len); + DumpPacket (prefix, (unsigned char *) ep, sizeof (ETH_HEADER) + len); + MemFree (ep, sizeof (struct ethpayload)); + } +} + +VOID +DumpPacket (const char *prefix, + const unsigned char *data, + unsigned int len) +{ + const ETH_HEADER *eth = (const ETH_HEADER *) data; + const IPHDR *ip = (const IPHDR *) (data + sizeof (ETH_HEADER)); + + if (len < sizeof (ETH_HEADER)) + { + DEBUGP (("%s TRUNCATED PACKET LEN=%d\n", prefix, len)); + return; + } + + // ARP Packet? + if (len >= sizeof (ARP_PACKET) && eth->proto == htons (ETH_P_ARP)) + { + DumpARP (prefix, (const ARP_PACKET *) data); + return; + } + + // IPv4 packet? + if (len >= (sizeof (IPHDR) + sizeof (ETH_HEADER)) + && eth->proto == htons (ETH_P_IP) + && IPH_GET_VER (ip->version_len) == 4) + { + const int hlen = IPH_GET_LEN (ip->version_len); + const int blen = len - sizeof (ETH_HEADER); + BOOLEAN did = FALSE; + + DEBUGP (("%s IPv4 %s[%d]", prefix, PrIPProto (ip->protocol), len)); + + if (!(ntohs (ip->tot_len) == blen && hlen <= blen)) + { + DEBUGP ((" XXX")); + return; + } + + // TCP packet? + if (ip->protocol == IPPROTO_TCP + && blen - hlen >= (sizeof (TCPHDR))) + { + const TCPHDR *tcp = (TCPHDR *) (data + sizeof (ETH_HEADER) + hlen); + DEBUGP ((" ")); + PrIP (ip->saddr); + DEBUGP ((":%d", ntohs (tcp->source))); + DEBUGP ((" -> ")); + PrIP (ip->daddr); + DEBUGP ((":%d", ntohs (tcp->dest))); + did = TRUE; + } + + // UDP packet? + else if ((ntohs (ip->frag_off) & IP_OFFMASK) == 0 + && ip->protocol == IPPROTO_UDP + && blen - hlen >= (sizeof (UDPHDR))) + { + const UDPHDR *udp = (UDPHDR *) (data + sizeof (ETH_HEADER) + hlen); + +#if 0 + // DHCP packet? + if ((udp->dest == htons (BOOTPC_PORT) || udp->dest == htons (BOOTPS_PORT)) + && blen - hlen >= (sizeof (UDPHDR) + sizeof (DHCP))) + { + const DHCP *dhcp = (DHCP *) (data + + hlen + + sizeof (ETH_HEADER) + + sizeof (UDPHDR)); + + int optlen = len + - sizeof (ETH_HEADER) + - hlen + - sizeof (UDPHDR) + - sizeof (DHCP); + + if (optlen < 0) + optlen = 0; + + DumpDHCP (eth, ip, udp, dhcp, optlen); + did = TRUE; + } +#endif + + if (!did) + { + DEBUGP ((" ")); + PrIP (ip->saddr); + DEBUGP ((":%d", ntohs (udp->source))); + DEBUGP ((" -> ")); + PrIP (ip->daddr); + DEBUGP ((":%d", ntohs (udp->dest))); + did = TRUE; + } + } + + if (!did) + { + DEBUGP ((" ipproto=%d ", ip->protocol)); + PrIP (ip->saddr); + DEBUGP ((" -> ")); + PrIP (ip->daddr); + } + + DEBUGP (("\n")); + return; + } + + { + DEBUGP (("%s ??? src=", prefix)); + PrMac (eth->src); + DEBUGP ((" dest=")); + PrMac (eth->dest); + DEBUGP ((" proto=0x%04x len=%d\n", + (int) ntohs(eth->proto), + len)); + } +} + +#endif diff --git a/windows/TapDriver/error.h b/windows/TapDriver/error.h new file mode 100644 index 00000000..47f436c5 --- /dev/null +++ b/windows/TapDriver/error.h @@ -0,0 +1,88 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +//----------------- +// DEBUGGING OUTPUT +//----------------- + +#define NOTE_ERROR() \ +{ \ + g_LastErrorFilename = __FILE__; \ + g_LastErrorLineNumber = __LINE__; \ +} + +#if DBG + +typedef struct { + unsigned int in; + unsigned int out; + unsigned int capacity; + char *text; + BOOLEAN error; + MUTEX lock; +} DebugOutput; + +VOID MyDebugPrint (const unsigned char* format, ...); + +VOID MyAssert (const unsigned char *file, int line); + +VOID DumpPacket (const char *prefix, + const unsigned char *data, + unsigned int len); + +VOID DumpPacket2 (const char *prefix, + const ETH_HEADER *eth, + const unsigned char *data, + unsigned int len); + +#define CAN_WE_PRINT (DEBUGP_AT_DISPATCH || KeGetCurrentIrql () < DISPATCH_LEVEL) + +#if ALSO_DBGPRINT +#define DEBUGP(fmt) { MyDebugPrint fmt; if (CAN_WE_PRINT) DbgPrint fmt; } +#else +#define DEBUGP(fmt) { MyDebugPrint fmt; } +#endif + +#define MYASSERT(exp) \ +{ \ + if (!(exp)) \ + { \ + MyAssert(__FILE__, __LINE__); \ + } \ +} + +#define DUMP_PACKET(prefix, data, len) \ + DumpPacket (prefix, data, len) + +#define DUMP_PACKET2(prefix, eth, data, len) \ + DumpPacket2 (prefix, eth, data, len) + +#else + +#define DEBUGP(fmt) +#define MYASSERT(exp) +#define DUMP_PACKET(prefix, data, len) +#define DUMP_PACKET2(prefix, eth, data, len) + +#endif diff --git a/windows/TapDriver/instance.c b/windows/TapDriver/instance.c new file mode 100644 index 00000000..33ef878f --- /dev/null +++ b/windows/TapDriver/instance.c @@ -0,0 +1,241 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define INSTANCE_KEY(a) ((PVOID)((a)->m_Extension.m_TapDevice)) + +#define N_INSTANCE_BUCKETS 256 + +typedef struct _INSTANCE { + struct _INSTANCE *next; + TapAdapterPointer m_Adapter; +} INSTANCE; + +typedef struct { + INSTANCE *list; + MUTEX lock; +} INSTANCE_BUCKET; + +typedef struct { + INSTANCE_BUCKET buckets[N_INSTANCE_BUCKETS]; +} INSTANCE_HASH; + +INSTANCE_HASH *g_InstanceHash = NULL; + +// must return a hash >= 0 and < N_INSTANCE_BUCKETS +int +InstanceHashValue (PVOID addr) +{ + UCHAR *p = (UCHAR *) &addr; + + if (sizeof (addr) == 4) + return p[0] ^ p[1] ^ p[2] ^ p[3]; + else if (sizeof (addr) == 8) + return p[0] ^ p[1] ^ p[2] ^ p[3] ^ p[4] ^ p[5] ^ p[6] ^ p[7]; + else + { + MYASSERT (0); + } +} + +BOOLEAN +InitInstanceList (VOID) +{ + MYASSERT (g_InstanceHash == NULL); + g_InstanceHash = MemAlloc (sizeof (INSTANCE_HASH), TRUE); + if (g_InstanceHash) + { + int i; + for (i = 0; i < N_INSTANCE_BUCKETS; ++i) + INIT_MUTEX (&g_InstanceHash->buckets[i].lock); + return TRUE; + } + else + return FALSE; +} + +int +NInstances (VOID) +{ + int i, n = 0; + + if (g_InstanceHash) + { + for (i = 0; i < N_INSTANCE_BUCKETS; ++i) + { + BOOLEAN got_lock; + INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[i]; + ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); + + if (got_lock) + { + INSTANCE *current; + for (current = ib->list; current != NULL; current = current->next) + ++n; + RELEASE_MUTEX (&ib->lock); + } + else + return -1; + } + } + + return n; +} + +int +InstanceMaxBucketSize (VOID) +{ + int i, n = 0; + + if (g_InstanceHash) + { + for (i = 0; i < N_INSTANCE_BUCKETS; ++i) + { + BOOLEAN got_lock; + int bucket_size = 0; + INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[i]; + ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); + + if (got_lock) + { + INSTANCE *current; + for (current = ib->list; current != NULL; current = current->next) + ++bucket_size; + if (bucket_size > n) + n = bucket_size; + RELEASE_MUTEX (&ib->lock); + } + else + return -1; + } + } + + return n; +} + +VOID +FreeInstanceList (VOID) +{ + if (g_InstanceHash) + { + MYASSERT (NInstances() == 0); + MemFree (g_InstanceHash, sizeof (INSTANCE_HASH)); + g_InstanceHash = NULL; + } +} + +BOOLEAN +AddAdapterToInstanceList (TapAdapterPointer p_Adapter) +{ + BOOLEAN got_lock; + BOOLEAN ret = FALSE; + const int hash = InstanceHashValue(INSTANCE_KEY(p_Adapter)); + INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[hash]; + + DEBUGP (("[TAP] AddAdapterToInstanceList hash=%d\n", hash)); + + ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); + + if (got_lock) + { + INSTANCE *i = MemAlloc (sizeof (INSTANCE), FALSE); + if (i) + { + MYASSERT (p_Adapter); + i->m_Adapter = p_Adapter; + i->next = ib->list; + ib->list = i; + ret = TRUE; + } + RELEASE_MUTEX (&ib->lock); + } + + return ret; +} + +BOOLEAN +RemoveAdapterFromInstanceList (TapAdapterPointer p_Adapter) +{ + BOOLEAN got_lock; + BOOLEAN ret = FALSE; + INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[InstanceHashValue(INSTANCE_KEY(p_Adapter))]; + + ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); + + if (got_lock) + { + INSTANCE *current, *prev=NULL; + for (current = ib->list; current != NULL; current = current->next) + { + if (current->m_Adapter == p_Adapter) // found match + { + if (prev) + prev->next = current->next; + else + ib->list = current->next; + MemFree (current->m_Adapter, sizeof (TapAdapter)); + MemFree (current, sizeof (INSTANCE)); + ret = TRUE; + break; + } + prev = current; + } + RELEASE_MUTEX (&ib->lock); + } + + return ret; +} + +TapAdapterPointer +LookupAdapterInInstanceList (PDEVICE_OBJECT p_DeviceObject) +{ + BOOLEAN got_lock; + TapAdapterPointer ret = NULL; + INSTANCE_BUCKET *ib = &g_InstanceHash->buckets[InstanceHashValue((PVOID)p_DeviceObject)]; + + ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock); + + if (got_lock) + { + INSTANCE *current, *prev=NULL; + for (current = ib->list; current != NULL; current = current->next) + { + if (p_DeviceObject == INSTANCE_KEY (current->m_Adapter)) // found match + { + // move it to head of list + if (prev) + { + prev->next = current->next; + current->next = ib->list; + ib->list = current; + } + ret = ib->list->m_Adapter; + break; + } + prev = current; + } + RELEASE_MUTEX (&ib->lock); + } + + return ret; +} diff --git a/windows/TapDriver/lock.h b/windows/TapDriver/lock.h new file mode 100644 index 00000000..e2a2029e --- /dev/null +++ b/windows/TapDriver/lock.h @@ -0,0 +1,75 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +typedef struct +{ + volatile long count; +} MUTEX; + +#define MUTEX_SLEEP_TIME 10000 // microseconds + +#define INIT_MUTEX(m) { (m)->count = 0; } + +#define ACQUIRE_MUTEX_BLOCKING(m) \ +{ \ + while (NdisInterlockedIncrement (&((m)->count)) != 1) \ + { \ + NdisInterlockedDecrement(&((m)->count)); \ + NdisMSleep(MUTEX_SLEEP_TIME); \ + } \ +} + +#define RELEASE_MUTEX(m) \ +{ \ + NdisInterlockedDecrement(&((m)->count)); \ +} + +#define ACQUIRE_MUTEX_NONBLOCKING(m, result) \ +{ \ + if (NdisInterlockedIncrement (&((m)->count)) != 1) \ + { \ + NdisInterlockedDecrement(&((m)->count)); \ + result = FALSE; \ + } \ + else \ + { \ + result = TRUE; \ + } \ +} + +#define ACQUIRE_MUTEX_ADAPTIVE(m, result) \ +{ \ + result = TRUE; \ + while (NdisInterlockedIncrement (&((m)->count)) != 1) \ + { \ + NdisInterlockedDecrement(&((m)->count)); \ + if (KeGetCurrentIrql () < DISPATCH_LEVEL) \ + NdisMSleep(MUTEX_SLEEP_TIME); \ + else \ + { \ + result = FALSE; \ + break; \ + } \ + } \ +} diff --git a/windows/TapDriver/macinfo.c b/windows/TapDriver/macinfo.c new file mode 100644 index 00000000..fca53079 --- /dev/null +++ b/windows/TapDriver/macinfo.c @@ -0,0 +1,154 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "macinfo.h" + +int +HexStringToDecimalInt (const int p_Character) +{ + int l_Value = 0; + + if (p_Character >= 'A' && p_Character <= 'F') + l_Value = (p_Character - 'A') + 10; + else if (p_Character >= 'a' && p_Character <= 'f') + l_Value = (p_Character - 'a') + 10; + else if (p_Character >= '0' && p_Character <= '9') + l_Value = p_Character - '0'; + + return l_Value; +} + +BOOLEAN +ParseMAC (MACADDR dest, const char *src) +{ + int c; + int mac_index = 0; + BOOLEAN high_digit = FALSE; + int delim_action = 1; + + MYASSERT (src); + MYASSERT (dest); + + CLEAR_MAC (dest); + + while (c = *src++) + { + if (IsMacDelimiter (c)) + { + mac_index += delim_action; + high_digit = FALSE; + delim_action = 1; + } + else if (IsHexDigit (c)) + { + const int digit = HexStringToDecimalInt (c); + if (mac_index < sizeof (MACADDR)) + { + if (!high_digit) + { + dest[mac_index] = (char)(digit); + high_digit = TRUE; + delim_action = 1; + } + else + { + dest[mac_index] = (char)(dest[mac_index] * 16 + digit); + ++mac_index; + high_digit = FALSE; + delim_action = 0; + } + } + else + return FALSE; + } + else + return FALSE; + } + + return (mac_index + delim_action) >= sizeof (MACADDR); +} + +/* + * Generate a MAC using the GUID in the adapter name. + * + * The mac is constructed as 00:FF:xx:xx:xx:xx where + * the Xs are taken from the first 32 bits of the GUID in the + * adapter name. This is similar to the Linux 2.4 tap MAC + * generator, except linux uses 32 random bits for the Xs. + * + * In general, this solution is reasonable for most + * applications except for very large bridged TAP networks, + * where the probability of address collisions becomes more + * than infintesimal. + * + * Using the well-known "birthday paradox", on a 1000 node + * network the probability of collision would be + * 0.000116292153. On a 10,000 node network, the probability + * of collision would be 0.01157288998621678766. + */ + +VOID GenerateRandomMac (MACADDR mac, const unsigned char *adapter_name) +{ + unsigned const char *cp = adapter_name; + unsigned char c; + unsigned int i = 2; + unsigned int byte = 0; + int brace = 0; + int state = 0; + + CLEAR_MAC (mac); + + mac[0] = 0x00; + mac[1] = 0xFF; + + while (c = *cp++) + { + if (i >= sizeof (MACADDR)) + break; + if (c == '{') + brace = 1; + if (IsHexDigit (c) && brace) + { + const unsigned int digit = HexStringToDecimalInt (c); + if (state) + { + byte <<= 4; + byte |= digit; + mac[i++] = (unsigned char) byte; + state = 0; + } + else + { + byte = digit; + state = 1; + } + } + } +} + +VOID GenerateRelatedMAC (MACADDR dest, const MACADDR src, const int delta) +{ + COPY_MAC (dest, src); + dest[2] += (UCHAR) delta; +} diff --git a/windows/TapDriver/macinfo.h b/windows/TapDriver/macinfo.h new file mode 100644 index 00000000..ba843e8c --- /dev/null +++ b/windows/TapDriver/macinfo.h @@ -0,0 +1,38 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef MacInfoDefined +#define MacInfoDefined + +//=================================================================================== +// Macros +//=================================================================================== +#define IsMacDelimiter(a) (a == ':' || a == '-' || a == '.') +#define IsHexDigit(c) ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f')) + +#define COPY_MAC(dest, src) NdisMoveMemory ((dest), (src), sizeof (MACADDR)) +#define CLEAR_MAC(dest) NdisZeroMemory ((dest), sizeof (MACADDR)) +#define MAC_EQUAL(a,b) (memcmp ((a), (b), sizeof (MACADDR)) == 0) + +#endif diff --git a/windows/TapDriver/mem.c b/windows/TapDriver/mem.c new file mode 100644 index 00000000..c56304cc --- /dev/null +++ b/windows/TapDriver/mem.c @@ -0,0 +1,186 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +//------------------ +// Memory Management +//------------------ + +PVOID +MemAlloc (ULONG p_Size, BOOLEAN zero) +{ + PVOID l_Return = NULL; + + if (p_Size) + { + __try + { + if (NdisAllocateMemoryWithTag (&l_Return, p_Size, 'APAT') + == NDIS_STATUS_SUCCESS) + { + if (zero) + NdisZeroMemory (l_Return, p_Size); + } + else + l_Return = NULL; + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + l_Return = NULL; + } + } + + return l_Return; +} + +VOID +MemFree (PVOID p_Addr, ULONG p_Size) +{ + if (p_Addr && p_Size) + { + __try + { +#if DBG + NdisZeroMemory (p_Addr, p_Size); +#endif + NdisFreeMemory (p_Addr, p_Size, 0); + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + } + } +} + +/* + * Circular queue management routines. + */ + +#define QUEUE_BYTE_ALLOCATION(size) \ + (sizeof (Queue) + (size * sizeof (PVOID))) + +#define QUEUE_ADD_INDEX(var, inc) \ +{ \ + var += inc; \ + if (var >= q->capacity) \ + var -= q->capacity; \ + MYASSERT (var < q->capacity); \ +} + +#define QUEUE_SANITY_CHECK() \ + MYASSERT (q != NULL && q->base < q->capacity && q->size <= q->capacity) + +#define QueueCount(q) (q->size) + +#define UPDATE_MAX_SIZE() \ +{ \ + if (q->size > q->max_size) \ + q->max_size = q->size; \ +} + +Queue * +QueueInit (ULONG capacity) +{ + Queue *q; + + MYASSERT (capacity > 0); + q = (Queue *) MemAlloc (QUEUE_BYTE_ALLOCATION (capacity), TRUE); + if (!q) + return NULL; + + q->base = q->size = 0; + q->capacity = capacity; + q->max_size = 0; + return q; +} + +VOID +QueueFree (Queue *q) +{ + if (q) + { + QUEUE_SANITY_CHECK (); + MemFree (q, QUEUE_BYTE_ALLOCATION (q->capacity)); + } +} + +PVOID +QueuePush (Queue *q, PVOID item) +{ + ULONG dest; + QUEUE_SANITY_CHECK (); + if (q->size == q->capacity) + return NULL; + dest = q->base; + QUEUE_ADD_INDEX (dest, q->size); + q->data[dest] = item; + ++q->size; + UPDATE_MAX_SIZE(); + return item; +} + +PVOID +QueuePop (Queue *q) +{ + ULONG oldbase; + QUEUE_SANITY_CHECK (); + if (!q->size) + return NULL; + oldbase = q->base; + QUEUE_ADD_INDEX (q->base, 1); + --q->size; + UPDATE_MAX_SIZE(); + return q->data[oldbase]; +} + +PVOID +QueueExtract (Queue *q, PVOID item) +{ + ULONG src, dest, count, n; + QUEUE_SANITY_CHECK (); + n = 0; + src = dest = q->base; + count = q->size; + while (count--) + { + if (item == q->data[src]) + { + ++n; + --q->size; + } + else + { + q->data[dest] = q->data[src]; + QUEUE_ADD_INDEX (dest, 1); + } + QUEUE_ADD_INDEX (src, 1); + } + if (n) + return item; + else + return NULL; +} + +#undef QUEUE_BYTE_ALLOCATION +#undef QUEUE_ADD_INDEX +#undef QUEUE_SANITY_CHECK +#undef UPDATE_MAX_SIZE diff --git a/windows/TapDriver/proto.h b/windows/TapDriver/proto.h new file mode 100644 index 00000000..71916a96 --- /dev/null +++ b/windows/TapDriver/proto.h @@ -0,0 +1,224 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +//============================================================ +// MAC address, Ethernet header, and ARP +//============================================================ + +#pragma pack(1) + +#define IP_HEADER_SIZE 20 +#define IPV6_HEADER_SIZE 40 + +typedef unsigned char MACADDR [6]; +typedef unsigned long IPADDR; +typedef unsigned char IPV6ADDR [16]; + +//----------------- +// Ethernet address +//----------------- + +typedef struct { + MACADDR addr; +} ETH_ADDR; + +typedef struct { + ETH_ADDR list[NIC_MAX_MCAST_LIST]; +} MC_LIST; + +//---------------- +// Ethernet header +//---------------- + +typedef struct +{ + MACADDR dest; /* destination eth addr */ + MACADDR src; /* source ether addr */ + +# define ETH_P_IP 0x0800 /* IPv4 protocol */ +# define ETH_P_IPV6 0x86DD /* IPv6 protocol */ +# define ETH_P_ARP 0x0806 /* ARP protocol */ + USHORT proto; /* packet type ID field */ +} ETH_HEADER, *PETH_HEADER; + +//---------------- +// ARP packet +//---------------- + +typedef struct + { + MACADDR m_MAC_Destination; // Reverse these two + MACADDR m_MAC_Source; // to answer ARP requests + USHORT m_Proto; // 0x0806 + +# define MAC_ADDR_TYPE 0x0001 + USHORT m_MAC_AddressType; // 0x0001 + + USHORT m_PROTO_AddressType; // 0x0800 + UCHAR m_MAC_AddressSize; // 0x06 + UCHAR m_PROTO_AddressSize; // 0x04 + +# define ARP_REQUEST 0x0001 +# define ARP_REPLY 0x0002 + USHORT m_ARP_Operation; // 0x0001 for ARP request, 0x0002 for ARP reply + + MACADDR m_ARP_MAC_Source; + IPADDR m_ARP_IP_Source; + MACADDR m_ARP_MAC_Destination; + IPADDR m_ARP_IP_Destination; + } +ARP_PACKET, *PARP_PACKET; + +//---------- +// IP Header +//---------- + +typedef struct { +# define IPH_GET_VER(v) (((v) >> 4) & 0x0F) +# define IPH_GET_LEN(v) (((v) & 0x0F) << 2) + UCHAR version_len; + + UCHAR tos; + USHORT tot_len; + USHORT id; + +# define IP_OFFMASK 0x1fff + USHORT frag_off; + + UCHAR ttl; + +# define IPPROTO_UDP 17 /* UDP protocol */ +# define IPPROTO_TCP 6 /* TCP protocol */ +# define IPPROTO_ICMP 1 /* ICMP protocol */ +# define IPPROTO_IGMP 2 /* IGMP protocol */ + UCHAR protocol; + + USHORT check; + ULONG saddr; + ULONG daddr; + /* The options start here. */ +} IPHDR; + +//----------- +// UDP header +//----------- + +typedef struct { + USHORT source; + USHORT dest; + USHORT len; + USHORT check; +} UDPHDR; + +//-------------------------- +// TCP header, per RFC 793. +//-------------------------- + +typedef struct { + USHORT source; /* source port */ + USHORT dest; /* destination port */ + ULONG seq; /* sequence number */ + ULONG ack_seq; /* acknowledgement number */ + +# define TCPH_GET_DOFF(d) (((d) & 0xF0) >> 2) + UCHAR doff_res; + +# define TCPH_FIN_MASK (1<<0) +# define TCPH_SYN_MASK (1<<1) +# define TCPH_RST_MASK (1<<2) +# define TCPH_PSH_MASK (1<<3) +# define TCPH_ACK_MASK (1<<4) +# define TCPH_URG_MASK (1<<5) +# define TCPH_ECE_MASK (1<<6) +# define TCPH_CWR_MASK (1<<7) + UCHAR flags; + + USHORT window; + USHORT check; + USHORT urg_ptr; +} TCPHDR; + +#define TCPOPT_EOL 0 +#define TCPOPT_NOP 1 +#define TCPOPT_MAXSEG 2 +#define TCPOLEN_MAXSEG 4 + +//------------ +// IPv6 Header +//------------ + +typedef struct { + UCHAR version_prio; + UCHAR flow_lbl[3]; + USHORT payload_len; +# define IPPROTO_ICMPV6 0x3a /* ICMP protocol v6 */ + UCHAR nexthdr; + UCHAR hop_limit; + IPV6ADDR saddr; + IPV6ADDR daddr; +} IPV6HDR; + +//-------------------------------------------- +// IPCMPv6 NS/NA Packets (RFC4443 and RFC4861) +//-------------------------------------------- + +// Neighbor Solictiation - RFC 4861, 4.3 +// (this is just the ICMPv6 part of the packet) +typedef struct { + UCHAR type; +# define ICMPV6_TYPE_NS 135 // neighbour solicitation + UCHAR code; +# define ICMPV6_CODE_0 0 // no specific sub-code for NS/NA + USHORT checksum; + ULONG reserved; + IPV6ADDR target_addr; +} ICMPV6_NS; + +// Neighbor Advertisement - RFC 4861, 4.4 + 4.6/4.6.1 +// (this is just the ICMPv6 payload) +typedef struct { + UCHAR type; +# define ICMPV6_TYPE_NA 136 // neighbour advertisement + UCHAR code; +# define ICMPV6_CODE_0 0 // no specific sub-code for NS/NA + USHORT checksum; + UCHAR rso_bits; // Router(0), Solicited(2), Ovrrd(4) + UCHAR reserved[3]; + IPV6ADDR target_addr; +// always include "Target Link-layer Address" option (RFC 4861 4.6.1) + UCHAR opt_type; +#define ICMPV6_OPTION_TLLA 2 + UCHAR opt_length; +#define ICMPV6_LENGTH_TLLA 1 // multiplied by 8 -> 1 = 8 bytes + MACADDR target_macaddr; +} ICMPV6_NA; + +// this is the complete packet with Ethernet and IPv6 headers +typedef struct { + ETH_HEADER eth; + IPV6HDR ipv6; + ICMPV6_NA icmpv6; +} ICMPV6_NA_PKT; + +#pragma pack() diff --git a/windows/TapDriver/prototypes.h b/windows/TapDriver/prototypes.h new file mode 100644 index 00000000..50cc4610 --- /dev/null +++ b/windows/TapDriver/prototypes.h @@ -0,0 +1,260 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef TAP_PROTOTYPES_DEFINED +#define TAP_PROTOTYPES_DEFINED + +NTSTATUS DriverEntry + ( + IN PDRIVER_OBJECT p_DriverObject, + IN PUNICODE_STRING p_RegistryPath + ); + +VOID TapDriverUnload + ( + IN PDRIVER_OBJECT p_DriverObject + ); + +NDIS_STATUS AdapterCreate + ( + OUT PNDIS_STATUS p_ErrorStatus, + OUT PUINT p_MediaIndex, + IN PNDIS_MEDIUM p_Media, + IN UINT p_MediaCount, + IN NDIS_HANDLE p_AdapterHandle, + IN NDIS_HANDLE p_ConfigurationHandle + ); + +VOID AdapterHalt + ( + IN NDIS_HANDLE p_AdapterContext + ); + +VOID AdapterFreeResources + ( + TapAdapterPointer p_Adapter + ); + +NDIS_STATUS AdapterReset + ( + OUT PBOOLEAN p_AddressingReset, + IN NDIS_HANDLE p_AdapterContext + ); + +NDIS_STATUS AdapterQuery + ( + IN NDIS_HANDLE p_AdapterContext, + IN NDIS_OID p_OID, + IN PVOID p_Buffer, + IN ULONG p_BufferLength, + OUT PULONG p_BytesWritten, + OUT PULONG p_BytesNeeded + ); + +NDIS_STATUS AdapterModify + ( + IN NDIS_HANDLE p_AdapterContext, + IN NDIS_OID p_OID, + IN PVOID p_Buffer, + IN ULONG p_BufferLength, + OUT PULONG p_BytesRead, + OUT PULONG p_BytesNeeded + ); + +NDIS_STATUS AdapterTransmit + ( + IN NDIS_HANDLE p_AdapterContext, + IN PNDIS_PACKET p_Packet, + IN UINT p_Flags + ); + +NDIS_STATUS AdapterReceive + ( + OUT PNDIS_PACKET p_Packet, + OUT PUINT p_Transferred, + IN NDIS_HANDLE p_AdapterContext, + IN NDIS_HANDLE p_ReceiveContext, + IN UINT p_Offset, + IN UINT p_ToTransfer + ); + +NTSTATUS TapDeviceHook + ( + IN PDEVICE_OBJECT p_DeviceObject, + IN PIRP p_IRP + ); + +NDIS_STATUS CreateTapDevice + ( + TapExtensionPointer p_Extension, + const char *p_Name + ); + +VOID DestroyTapDevice + ( + TapExtensionPointer p_Extension + ); + +VOID TapDeviceFreeResources + ( + TapExtensionPointer p_Extension + ); + +NTSTATUS CompleteIRP + ( + IN PIRP p_IRP, + IN TapPacketPointer p_PacketBuffer, + IN CCHAR PriorityBoost + ); + +VOID CancelIRPCallback + ( + IN PDEVICE_OBJECT p_DeviceObject, + IN PIRP p_IRP + ); + +VOID CancelIRP + ( + TapExtensionPointer p_Extension, + IN PIRP p_IRP, + BOOLEAN callback + ); + +VOID FlushQueues + ( + TapExtensionPointer p_Extension + ); + +VOID ResetTapAdapterState + ( + TapAdapterPointer p_Adapter + ); + +BOOLEAN ProcessARP + ( + TapAdapterPointer p_Adapter, + const PARP_PACKET src, + const IPADDR adapter_ip, + const IPADDR ip_network, + const IPADDR ip_netmask, + const MACADDR mac + ); + +VOID SetMediaStatus + ( + TapAdapterPointer p_Adapter, + BOOLEAN state + ); + +VOID InjectPacketDeferred + ( + TapAdapterPointer p_Adapter, + UCHAR *packet, + const unsigned int len + ); + +VOID InjectPacketNow + ( + TapAdapterPointer p_Adapter, + UCHAR *packet, + const unsigned int len + ); + +// for KDEFERRED_ROUTINE and Static Driver Verifier +//#include +//KDEFERRED_ROUTINE InjectPacketDpc; + +VOID InjectPacketDpc + ( + KDPC *Dpc, + PVOID DeferredContext, + PVOID SystemArgument1, + PVOID SystemArgument2 + ); + +VOID CheckIfDhcpAndTunMode + ( + TapAdapterPointer p_Adapter + ); + +VOID HookDispatchFunctions(); + +#if ENABLE_NONADMIN + +#if defined(DDKVER_MAJOR) && DDKVER_MAJOR < 5600 +/* + * Better solution for use on Vista DDK, but possibly not compatible with + * earlier DDKs: + * + * Eliminate the definition of SECURITY_DESCRIPTOR (and even ZwSetSecurityObject), + * and at the top of tapdrv.c change: + * + * #include + * #include + * #include + * + * To + * + * #include + * #include + * #include + */ +typedef struct _SECURITY_DESCRIPTOR { + unsigned char opaque[64]; +} SECURITY_DESCRIPTOR; + +NTSYSAPI +NTSTATUS +NTAPI +ZwSetSecurityObject ( + IN HANDLE Handle, + IN SECURITY_INFORMATION SecurityInformation, + IN PSECURITY_DESCRIPTOR SecurityDescriptor); + +#endif + +VOID AllowNonAdmin (TapExtensionPointer p_Extension); + +#endif + +struct WIN2K_NDIS_MINIPORT_BLOCK +{ + unsigned char opaque[16]; + UNICODE_STRING MiniportName; // how mini-port refers to us +}; + +#if PACKET_TRUNCATION_CHECK + +VOID IPv4PacketSizeVerify + ( + const UCHAR *data, + ULONG length, + BOOLEAN tun, + const char *prefix, + LONG *counter + ); + +#endif + +#endif diff --git a/windows/TapDriver/tap-windows.h b/windows/TapDriver/tap-windows.h new file mode 100644 index 00000000..ff1baf17 --- /dev/null +++ b/windows/TapDriver/tap-windows.h @@ -0,0 +1,73 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __TAP_WIN_H +#define __TAP_WIN_H + +/* + * ============= + * TAP IOCTLs + * ============= + */ + +#define TAP_WIN_CONTROL_CODE(request,method) \ + CTL_CODE (FILE_DEVICE_UNKNOWN, request, method, FILE_ANY_ACCESS) + +/* Present in 8.1 */ + +#define TAP_WIN_IOCTL_GET_MAC TAP_WIN_CONTROL_CODE (1, METHOD_BUFFERED) +#define TAP_WIN_IOCTL_GET_VERSION TAP_WIN_CONTROL_CODE (2, METHOD_BUFFERED) +#define TAP_WIN_IOCTL_GET_MTU TAP_WIN_CONTROL_CODE (3, METHOD_BUFFERED) +#define TAP_WIN_IOCTL_GET_INFO TAP_WIN_CONTROL_CODE (4, METHOD_BUFFERED) +//#define TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT TAP_WIN_CONTROL_CODE (5, METHOD_BUFFERED) +#define TAP_WIN_IOCTL_SET_MEDIA_STATUS TAP_WIN_CONTROL_CODE (6, METHOD_BUFFERED) +//#define TAP_WIN_IOCTL_CONFIG_DHCP_MASQ TAP_WIN_CONTROL_CODE (7, METHOD_BUFFERED) +#define TAP_WIN_IOCTL_GET_LOG_LINE TAP_WIN_CONTROL_CODE (8, METHOD_BUFFERED) +//#define TAP_WIN_IOCTL_CONFIG_DHCP_SET_OPT TAP_WIN_CONTROL_CODE (9, METHOD_BUFFERED) + +/* Added in 8.2 */ + +/* obsoletes TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT */ +//#define TAP_WIN_IOCTL_CONFIG_TUN TAP_WIN_CONTROL_CODE (10, METHOD_BUFFERED) + +/* + * ================= + * Registry keys + * ================= + */ + +#define ADAPTER_KEY "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}" +#define NETWORK_CONNECTIONS_KEY "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}" + +/* + * ====================== + * Filesystem prefixes + * ====================== + */ + +#define USERMODEDEVICEDIR "\\\\.\\Global\\" +#define SYSDEVICEDIR "\\Device\\" +#define USERDEVICEDIR "\\DosDevices\\Global\\" +#define TAP_WIN_SUFFIX ".tap" + +#endif diff --git a/windows/TapDriver/tapdrvr.c b/windows/TapDriver/tapdrvr.c new file mode 100644 index 00000000..4781c872 --- /dev/null +++ b/windows/TapDriver/tapdrvr.c @@ -0,0 +1,3173 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +//====================================================== +// This driver is designed to work on Win 2000 or higher +// versions of Windows. +// +// It is SMP-safe and handles NDIS 5 power management. +// +// By default we operate as a "tap" virtual ethernet +// 802.3 interface, but we can emulate a "tun" +// interface (point-to-point IPv4) through the +// TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT or +// TAP_WIN_IOCTL_CONFIG_TUN ioctl. +//====================================================== + +#include "tap-windows.h" +#include "config.h" + +#define NDIS_MINIPORT_DRIVER +#define BINARY_COMPATIBLE 0 +#define NDIS50_MINIPORT 1 +#define NDIS_WDM 0 +#define NDIS50 1 +#define NTSTRSAFE_LIB + +// Debug info output +#define ALSO_DBGPRINT 1 +#define DEBUGP_AT_DISPATCH 0 + +//======================================================== +// Check for truncated IPv4 packets, log errors if found. +//======================================================== +#define PACKET_TRUNCATION_CHECK 0 + +//======================================================== +// EXPERIMENTAL -- Configure TAP device object to be +// accessible from non-administrative accounts, based +// on an advanced properties setting. +// +// Duplicates the functionality of OpenVPN's +// --allow-nonadmin directive. +//======================================================== +//#define ENABLE_NONADMIN 1 + +#if defined(DDKVER_MAJOR) && DDKVER_MAJOR < 5600 +#include +#include +#include +#else +#include +#include +#include +#endif + +#include "lock.h" +#include "constants.h" +#include "proto.h" +#include "error.h" +#include "endian.h" +#include "dhcp.h" +#include "types.h" +#include "prototypes.h" + +#include "mem.c" +#include "macinfo.c" +#include "error.c" +#include "dhcp.c" +#include "instance.c" + +#define IS_UP(ta) \ + ((ta)->m_InterfaceIsRunning && (ta)->m_Extension.m_TapIsRunning) + +#define INCREMENT_STAT(s) ++(s) + +#define NAME_BUFFER_SIZE 80 + +//======================================================== +// Globals +//======================================================== + +NDIS_HANDLE g_NdisWrapperHandle; + +const UINT g_SupportedOIDList[] = { + OID_GEN_HARDWARE_STATUS, + OID_GEN_MEDIA_SUPPORTED, + OID_GEN_MEDIA_IN_USE, + OID_GEN_MAXIMUM_LOOKAHEAD, + OID_GEN_MAC_OPTIONS, + OID_GEN_LINK_SPEED, + OID_GEN_TRANSMIT_BLOCK_SIZE, + OID_GEN_RECEIVE_BLOCK_SIZE, + OID_GEN_VENDOR_DESCRIPTION, + OID_GEN_DRIVER_VERSION, + OID_GEN_XMIT_OK, + OID_GEN_RCV_OK, + OID_GEN_XMIT_ERROR, + OID_GEN_RCV_ERROR, + OID_802_3_PERMANENT_ADDRESS, + OID_802_3_CURRENT_ADDRESS, + OID_GEN_RCV_NO_BUFFER, + OID_802_3_RCV_ERROR_ALIGNMENT, + OID_802_3_XMIT_ONE_COLLISION, + OID_802_3_XMIT_MORE_COLLISIONS, + OID_802_3_MULTICAST_LIST, + OID_802_3_MAXIMUM_LIST_SIZE, + OID_GEN_VENDOR_ID, + OID_GEN_CURRENT_LOOKAHEAD, + OID_GEN_CURRENT_PACKET_FILTER, + OID_GEN_PROTOCOL_OPTIONS, + OID_GEN_MAXIMUM_TOTAL_SIZE, + OID_GEN_TRANSMIT_BUFFER_SPACE, + OID_GEN_RECEIVE_BUFFER_SPACE, + OID_GEN_MAXIMUM_FRAME_SIZE, + OID_GEN_VENDOR_DRIVER_VERSION, + OID_GEN_MAXIMUM_SEND_PACKETS, + OID_GEN_MEDIA_CONNECT_STATUS, + OID_GEN_SUPPORTED_LIST +}; + +//============================================================ +// Driver Entry +//============================================================ +#pragma NDIS_INIT_FUNCTION (DriverEntry) + +DRIVER_INITIALIZE DriverEntry; +NTSTATUS +DriverEntry (IN PDRIVER_OBJECT p_DriverObject, + IN PUNICODE_STRING p_RegistryPath) +{ + NDIS_STATUS l_Status = NDIS_STATUS_FAILURE; + NDIS_MINIPORT_CHARACTERISTICS *l_Properties = NULL; + + //======================================================== + // Notify NDIS that a new miniport driver is initializing. + //======================================================== + + NdisMInitializeWrapper (&g_NdisWrapperHandle, + p_DriverObject, + p_RegistryPath, NULL); + + //====================== + // Global initialization + //====================== + +#if DBG + MyDebugInit (10000); // Allocate debugging text space +#endif + + if (!InitInstanceList ()) + { + DEBUGP (("[TAP] Allocation failed for adapter instance list\n")); + goto cleanup; + } + + //======================================= + // Set and register miniport entry points + //======================================= + + l_Properties = MemAlloc (sizeof (NDIS_MINIPORT_CHARACTERISTICS), TRUE); + + if (l_Properties == NULL) + { + DEBUGP (("[TAP] Allocation failed for miniport entry points\n")); + goto cleanup; + } + + l_Properties->MajorNdisVersion = TAP_NDIS_MAJOR_VERSION; + l_Properties->MinorNdisVersion = TAP_NDIS_MINOR_VERSION; + l_Properties->InitializeHandler = AdapterCreate; + l_Properties->HaltHandler = AdapterHalt; + l_Properties->ResetHandler = AdapterReset; /* DISPATCH_LEVEL */ + l_Properties->TransferDataHandler = AdapterReceive; /* DISPATCH_LEVEL */ + l_Properties->SendHandler = AdapterTransmit; /* DISPATCH_LEVEL */ + l_Properties->QueryInformationHandler = AdapterQuery; /* DISPATCH_LEVEL */ + l_Properties->SetInformationHandler = AdapterModify; /* DISPATCH_LEVEL */ + + switch (l_Status = + NdisMRegisterMiniport (g_NdisWrapperHandle, l_Properties, + sizeof (NDIS_MINIPORT_CHARACTERISTICS))) + { + case NDIS_STATUS_SUCCESS: + { + DEBUGP (("[TAP] version [%d.%d] %s %s registered miniport successfully\n", + TAP_DRIVER_MAJOR_VERSION, + TAP_DRIVER_MINOR_VERSION, + __DATE__, + __TIME__)); + DEBUGP (("Registry Path: '%.*S'\n", p_RegistryPath->Length/2, p_RegistryPath->Buffer)); + break; + } + + case NDIS_STATUS_BAD_CHARACTERISTICS: + { + DEBUGP (("[TAP] Miniport characteristics were badly defined\n")); + NdisTerminateWrapper (g_NdisWrapperHandle, NULL); + break; + } + + case NDIS_STATUS_BAD_VERSION: + { + DEBUGP + (("[TAP] NDIS Version is wrong for the given characteristics\n")); + NdisTerminateWrapper (g_NdisWrapperHandle, NULL); + break; + } + + case NDIS_STATUS_RESOURCES: + { + DEBUGP (("[TAP] Insufficient resources\n")); + NdisTerminateWrapper (g_NdisWrapperHandle, NULL); + break; + } + + default: + case NDIS_STATUS_FAILURE: + { + DEBUGP (("[TAP] Unknown fatal registration error\n")); + NdisTerminateWrapper (g_NdisWrapperHandle, NULL); + break; + } + } + + cleanup: + if (l_Properties) + MemFree (l_Properties, sizeof (NDIS_MINIPORT_CHARACTERISTICS)); + + if (l_Status == NDIS_STATUS_SUCCESS) + NdisMRegisterUnloadHandler (g_NdisWrapperHandle, TapDriverUnload); + else + TapDriverUnload (p_DriverObject); + + return l_Status; +} + +//============================================================ +// Driver Unload +//============================================================ +DRIVER_UNLOAD TapDriverUnload; +VOID +TapDriverUnload (IN PDRIVER_OBJECT p_DriverObject) +{ + DEBUGP (("[TAP] version [%d.%d] %s %s unloaded, instances=%d, imbs=%d\n", + TAP_DRIVER_MAJOR_VERSION, + TAP_DRIVER_MINOR_VERSION, + __DATE__, + __TIME__, + NInstances(), + InstanceMaxBucketSize())); + + FreeInstanceList (); + + //============================== + // Free debugging text space + //============================== +#if DBG + MyDebugFree (); +#endif +} + +//========================================================== +// Adapter Initialization +//========================================================== +NDIS_STATUS AdapterCreate +(OUT PNDIS_STATUS p_ErrorStatus, + OUT PUINT p_MediaIndex, + IN PNDIS_MEDIUM p_Media, + IN UINT p_MediaCount, + IN NDIS_HANDLE p_AdapterHandle, + IN NDIS_HANDLE p_ConfigurationHandle) +{ + TapAdapterPointer l_Adapter = NULL; + + NDIS_MEDIUM l_PreferredMedium = NdisMedium802_3; // Ethernet + BOOLEAN l_MacFromRegistry = FALSE; + UINT l_Index; + NDIS_STATUS status; + +#if ENABLE_NONADMIN + BOOLEAN enable_non_admin = FALSE; +#endif + + DEBUGP (("[TAP] AdapterCreate called\n")); + + //==================================== + // Make sure adapter type is supported + //==================================== + + for (l_Index = 0; + l_Index < p_MediaCount && p_Media[l_Index] != l_PreferredMedium; + ++l_Index); + + if (l_Index == p_MediaCount) + { + DEBUGP (("[TAP] Unsupported adapter type [wanted: %d]\n", + l_PreferredMedium)); + return NDIS_STATUS_UNSUPPORTED_MEDIA; + } + + *p_MediaIndex = l_Index; + + //========================================= + // Allocate memory for TapAdapter structure + //========================================= + + l_Adapter = MemAlloc (sizeof (TapAdapter), TRUE); + + if (l_Adapter == NULL) + { + DEBUGP (("[TAP] Couldn't allocate adapter memory\n")); + return NDIS_STATUS_RESOURCES; + } + + //========================================== + // Inform the NDIS library about significant + // features of our virtual NIC. + //========================================== + + NdisMSetAttributesEx + (p_AdapterHandle, + (NDIS_HANDLE) l_Adapter, + 16, + NDIS_ATTRIBUTE_DESERIALIZE + | NDIS_ATTRIBUTE_IGNORE_PACKET_TIMEOUT + | NDIS_ATTRIBUTE_IGNORE_REQUEST_TIMEOUT + | NDIS_ATTRIBUTE_NO_HALT_ON_SUSPEND, + NdisInterfaceInternal); + + //===================================== + // Initialize simple Adapter parameters + //===================================== + + l_Adapter->m_Lookahead = DEFAULT_PACKET_LOOKAHEAD; + l_Adapter->m_Medium = l_PreferredMedium; + l_Adapter->m_DeviceState = '?'; + l_Adapter->m_MiniportAdapterHandle = p_AdapterHandle; + + //================================== + // Allocate spinlock for controlling + // access to multicast address list. + //================================== + NdisAllocateSpinLock (&l_Adapter->m_MCLock); + l_Adapter->m_MCLockAllocated = TRUE; + + //==================================================== + // Register a shutdown handler which will be called + // on system restart/shutdown to halt our virtual NIC. + //==================================================== + + NdisMRegisterAdapterShutdownHandler (p_AdapterHandle, l_Adapter, + AdapterHalt); + l_Adapter->m_RegisteredAdapterShutdownHandler = TRUE; + + //============================================ + // Get parameters from registry which were set + // in the adapter advanced properties dialog. + //============================================ + { + NDIS_STATUS status; + NDIS_HANDLE configHandle; + NDIS_CONFIGURATION_PARAMETER *parm; + + // set defaults in case our registry query fails + l_Adapter->m_MTU = ETHERNET_MTU; + l_Adapter->m_MediaStateAlwaysConnected = FALSE; + l_Adapter->m_MediaState = FALSE; + + NdisOpenConfiguration (&status, &configHandle, p_ConfigurationHandle); + if (status != NDIS_STATUS_SUCCESS) + { + DEBUGP (("[TAP] Couldn't open adapter registry\n")); + AdapterFreeResources (l_Adapter); + return status; + } + + //==================================== + // Allocate and construct adapter name + //==================================== + { + + NDIS_STRING mkey = NDIS_STRING_CONST("MiniportName"); + NDIS_STRING vkey = NDIS_STRING_CONST("NdisVersion"); + NDIS_STATUS vstatus; + NDIS_CONFIGURATION_PARAMETER *vparm; + + NdisReadConfiguration (&vstatus, &vparm, configHandle, &vkey, NdisParameterInteger); + if (vstatus == NDIS_STATUS_SUCCESS) + DEBUGP (("[TAP] NdisReadConfiguration NdisVersion=%X\n", vparm->ParameterData.IntegerData)); + + NdisReadConfiguration (&status, &parm, configHandle, &mkey, NdisParameterString); + if (status == NDIS_STATUS_SUCCESS) + { + if (parm->ParameterType == NdisParameterString) + { + DEBUGP (("[TAP] NdisReadConfiguration (MiniportName=%.*S)\n", + parm->ParameterData.StringData.Length/2, + parm->ParameterData.StringData.Buffer)); + + if (RtlUnicodeStringToAnsiString ( + &l_Adapter->m_NameAnsi, + &parm->ParameterData.StringData, + TRUE) != STATUS_SUCCESS) + { + DEBUGP (("[TAP] MiniportName failed\n")); + status = NDIS_STATUS_RESOURCES; + } + } + } + else + { + /* "MiniportName" is available only XP and above. Not on Windows 2000. */ + if (vstatus == NDIS_STATUS_SUCCESS && vparm->ParameterData.IntegerData == 0x50000) + { + /* Fallback for Windows 2000 with NDIS version 5.00.00 + Don't use this on Vista, 'NDIS_MINIPORT_BLOCK' was changed! */ + if (RtlUnicodeStringToAnsiString (&l_Adapter->m_NameAnsi, + &((struct WIN2K_NDIS_MINIPORT_BLOCK *) p_AdapterHandle)->MiniportName, + TRUE) != STATUS_SUCCESS) + { + DEBUGP (("[TAP] MiniportName (W2K) failed\n")); + status = NDIS_STATUS_RESOURCES; + } + else + { + DEBUGP (("[TAP] MiniportName (W2K) succeeded: %s\n", l_Adapter->m_NameAnsi.Buffer)); + status = NDIS_STATUS_SUCCESS; + } + } + } + } + + /* Can't continue without name (see macro 'NAME') */ + if (status != NDIS_STATUS_SUCCESS || !l_Adapter->m_NameAnsi.Buffer) + { + NdisCloseConfiguration (configHandle); + AdapterFreeResources (l_Adapter); + DEBUGP (("[TAP] failed to get miniport name\n")); + return NDIS_STATUS_RESOURCES; + } + + /* Read MTU setting from registry */ + { + NDIS_STRING key = NDIS_STRING_CONST("MTU"); + NdisReadConfiguration (&status, &parm, configHandle, + &key, NdisParameterInteger); + if (status == NDIS_STATUS_SUCCESS) + { + if (parm->ParameterType == NdisParameterInteger) + { + int mtu = parm->ParameterData.IntegerData; + if (mtu < MINIMUM_MTU) + mtu = MINIMUM_MTU; + if (mtu > MAXIMUM_MTU) + mtu = MAXIMUM_MTU; + l_Adapter->m_MTU = mtu; + } + } + } + + /* Read Media Status setting from registry */ + { + NDIS_STRING key = NDIS_STRING_CONST("MediaStatus"); + NdisReadConfiguration (&status, &parm, configHandle, + &key, NdisParameterInteger); + if (status == NDIS_STATUS_SUCCESS) + { + if (parm->ParameterType == NdisParameterInteger) + { + if (parm->ParameterData.IntegerData) + { + l_Adapter->m_MediaStateAlwaysConnected = TRUE; + l_Adapter->m_MediaState = TRUE; + } + } + } + } + +#if ENABLE_NONADMIN + /* Read AllowNonAdmin setting from registry */ + { + NDIS_STRING key = NDIS_STRING_CONST("AllowNonAdmin"); + NdisReadConfiguration (&status, &parm, configHandle, + &key, NdisParameterInteger); + if (status == NDIS_STATUS_SUCCESS) + { + if (parm->ParameterType == NdisParameterInteger) + { + if (parm->ParameterData.IntegerData) + { + enable_non_admin = TRUE; + } + } + } + } +#endif + + /* Read optional MAC setting from registry */ + { + NDIS_STRING key = NDIS_STRING_CONST("MAC"); + ANSI_STRING mac_string; + NdisReadConfiguration (&status, &parm, configHandle, + &key, NdisParameterString); + if (status == NDIS_STATUS_SUCCESS) + { + if (parm->ParameterType == NdisParameterString) + { + if (RtlUnicodeStringToAnsiString (&mac_string, &parm->ParameterData.StringData, TRUE) == STATUS_SUCCESS) + { + l_MacFromRegistry = ParseMAC (l_Adapter->m_MAC, mac_string.Buffer); + RtlFreeAnsiString (&mac_string); + } + } + } + } + + NdisCloseConfiguration (configHandle); + + DEBUGP (("[%s] MTU=%d\n", NAME (l_Adapter), l_Adapter->m_MTU)); + } + + //================================== + // Store and update MAC address info + //================================== + + if (!l_MacFromRegistry) + GenerateRandomMac (l_Adapter->m_MAC, NAME (l_Adapter)); + + DEBUGP (("[%s] Using MAC %x:%x:%x:%x:%x:%x\n", + NAME (l_Adapter), + l_Adapter->m_MAC[0], l_Adapter->m_MAC[1], l_Adapter->m_MAC[2], + l_Adapter->m_MAC[3], l_Adapter->m_MAC[4], l_Adapter->m_MAC[5])); + +#if 0 + //================== + // Set broadcast MAC + //================== + { + int i; + for (i = 0; i < sizeof (MACADDR); ++i) + l_Adapter->m_MAC_Broadcast[i] = 0xFF; + } +#endif + + //==================================== + // Initialize TAP device + //==================================== + { + NDIS_STATUS tap_status; + tap_status = CreateTapDevice (&l_Adapter->m_Extension, NAME (l_Adapter)); + if (tap_status != NDIS_STATUS_SUCCESS) + { + AdapterFreeResources (l_Adapter); + DEBUGP (("[TAP] CreateTapDevice failed\n")); + return tap_status; + } + } + + if (!AddAdapterToInstanceList (l_Adapter)) + { + NOTE_ERROR (); + TapDeviceFreeResources (&l_Adapter->m_Extension); + AdapterFreeResources (l_Adapter); + DEBUGP (("[TAP] AddAdapterToInstanceList failed\n")); + return NDIS_STATUS_RESOURCES; + } + + l_Adapter->m_InterfaceIsRunning = TRUE; + +#if ENABLE_NONADMIN + if (enable_non_admin) + AllowNonAdmin (&l_Adapter->m_Extension); +#endif + + return NDIS_STATUS_SUCCESS; +} + +VOID +AdapterHalt (IN NDIS_HANDLE p_AdapterContext) +{ + BOOLEAN status; + + TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; + + NOTE_ERROR (); + + l_Adapter->m_InterfaceIsRunning = FALSE; + + DEBUGP (("[%s] is being halted\n", NAME (l_Adapter))); + + DestroyTapDevice (&l_Adapter->m_Extension); + + // Free resources + DEBUGP (("[%s] Freeing Resources\n", NAME (l_Adapter))); + AdapterFreeResources (l_Adapter); + + status = RemoveAdapterFromInstanceList (l_Adapter); + DEBUGP (("[TAP] RemoveAdapterFromInstanceList returned %d\n", (int) status)); + + DEBUGP (("[TAP] version [%d.%d] %s %s AdapterHalt returning\n", + TAP_DRIVER_MAJOR_VERSION, + TAP_DRIVER_MINOR_VERSION, + __DATE__, + __TIME__)); +} + +VOID +AdapterFreeResources (TapAdapterPointer p_Adapter) +{ + MYASSERT (!p_Adapter->m_CalledAdapterFreeResources); + p_Adapter->m_CalledAdapterFreeResources = TRUE; + + if (p_Adapter->m_NameAnsi.Buffer) + RtlFreeAnsiString (&p_Adapter->m_NameAnsi); + + if (p_Adapter->m_RegisteredAdapterShutdownHandler) + NdisMDeregisterAdapterShutdownHandler (p_Adapter->m_MiniportAdapterHandle); + + if (p_Adapter->m_MCLockAllocated) + NdisFreeSpinLock (&p_Adapter->m_MCLock); +} + +VOID +DestroyTapDevice (TapExtensionPointer p_Extension) +{ + DEBUGP (("[%s] Destroying tap device\n", p_Extension->m_TapName)); + + //====================================== + // Let clients know we are shutting down + //====================================== + p_Extension->m_TapIsRunning = FALSE; + p_Extension->m_TapOpens = 0; + p_Extension->m_Halt = TRUE; + + //===================================== + // If we are concurrently executing in + // TapDeviceHook or AdapterTransmit, + // give those calls time to finish. + // Note that we must be running at IRQL + // < DISPATCH_LEVEL in order to call + // NdisMSleep. + //===================================== + NdisMSleep (500000); + + //=========================================================== + // Exhaust IRP and packet queues. Any pending IRPs will + // be cancelled, causing user-space to get this error + // on overlapped reads: + // The I/O operation has been aborted because of either a + // thread exit or an application request. (code=995) + // It's important that user-space close the device handle + // when this code is returned, so that when we finally + // do a NdisMDeregisterDevice, the device reference count + // is 0. Otherwise the driver will not unload even if the + // the last adapter has been halted. + //=========================================================== + FlushQueues (p_Extension); + NdisMSleep (500000); // give user space time to respond to IRP cancel + + TapDeviceFreeResources (p_Extension); +} + +VOID +TapDeviceFreeResources (TapExtensionPointer p_Extension) +{ + MYASSERT (p_Extension); + MYASSERT (!p_Extension->m_CalledTapDeviceFreeResources); + p_Extension->m_CalledTapDeviceFreeResources = TRUE; + + if (p_Extension->m_PacketQueue) + QueueFree (p_Extension->m_PacketQueue); + if (p_Extension->m_IrpQueue) + QueueFree (p_Extension->m_IrpQueue); + if (p_Extension->m_InjectQueue) + QueueFree (p_Extension->m_InjectQueue); + + if (p_Extension->m_CreatedUnicodeLinkName) + RtlFreeUnicodeString (&p_Extension->m_UnicodeLinkName); + + //========================================================== + // According to DDK docs, the device is not actually deleted + // until its reference count falls to zero. That means we + // still need to gracefully fail TapDeviceHook requests + // after this point, otherwise ugly things would happen if + // the device was disabled (e.g. in the network connections + // control panel) while a userspace app still held an open + // file handle to it. + //========================================================== + + if (p_Extension->m_TapDevice) + { + BOOLEAN status; + status = (NdisMDeregisterDevice (p_Extension->m_TapDeviceHandle) + == NDIS_STATUS_SUCCESS); + DEBUGP (("[TAP] Deregistering TAP device, status=%d\n", (int)status)); + } + + if (p_Extension->m_TapName) + MemFree (p_Extension->m_TapName, NAME_BUFFER_SIZE); + + if (p_Extension->m_InjectDpcInitialized) + KeRemoveQueueDpc (&p_Extension->m_InjectDpc); + + if (p_Extension->m_AllocatedSpinlocks) + { + NdisFreeSpinLock (&p_Extension->m_QueueLock); + NdisFreeSpinLock (&p_Extension->m_InjectLock); + } +} + +//======================================================================== +// Tap Device Initialization +//======================================================================== + +NDIS_STATUS +CreateTapDevice (TapExtensionPointer p_Extension, const char *p_Name) +{ +# define SIZEOF_DISPATCH (sizeof(PDRIVER_DISPATCH) * (IRP_MJ_MAXIMUM_FUNCTION + 1)) + PDRIVER_DISPATCH *l_Dispatch = NULL; + ANSI_STRING l_TapString, l_LinkString; + UNICODE_STRING l_TapUnicode; + BOOLEAN l_FreeTapUnicode = FALSE; + NTSTATUS l_Status, l_Return = NDIS_STATUS_SUCCESS; + const char *l_UsableName; + + DEBUGP (("[TAP] version [%d.%d] creating tap device: %s\n", + TAP_DRIVER_MAJOR_VERSION, + TAP_DRIVER_MINOR_VERSION, + p_Name)); + + NdisZeroMemory (p_Extension, sizeof (TapExtension)); + + INIT_MUTEX (&p_Extension->m_OpenCloseMutex); + + l_LinkString.Buffer = NULL; + l_TapString.Buffer = NULL; + + l_TapString.MaximumLength = l_LinkString.MaximumLength = NAME_BUFFER_SIZE; + + //======================================= + // Set TAP device entry points + //======================================= + + if ((l_Dispatch = MemAlloc (SIZEOF_DISPATCH, TRUE)) == NULL) + { + DEBUGP (("[%s] couldn't alloc TAP dispatch table\n", p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + + l_Dispatch[IRP_MJ_DEVICE_CONTROL] = TapDeviceHook; + l_Dispatch[IRP_MJ_READ] = TapDeviceHook; + l_Dispatch[IRP_MJ_WRITE] = TapDeviceHook; + l_Dispatch[IRP_MJ_CREATE] = TapDeviceHook; + l_Dispatch[IRP_MJ_CLOSE] = TapDeviceHook; + + //================================== + // Find the beginning of the GUID + //================================== + l_UsableName = p_Name; + while (*l_UsableName != '{') + { + if (*l_UsableName == '\0') + { + DEBUGP (("[%s] couldn't find leading '{' in name\n", p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + ++l_UsableName; + } + + //================================== + // Allocate pool for TAP device name + //================================== + + if ((p_Extension->m_TapName = l_TapString.Buffer = + MemAlloc (NAME_BUFFER_SIZE, TRUE)) == NULL) + { + DEBUGP (("[%s] couldn't alloc TAP name buffer\n", p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + + //================================================ + // Allocate pool for TAP symbolic link name buffer + //================================================ + + if ((l_LinkString.Buffer = + MemAlloc (NAME_BUFFER_SIZE, TRUE)) == NULL) + { + DEBUGP (("[%s] couldn't alloc TAP symbolic link name buffer\n", + p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + + //======================================================= + // Set TAP device name + //======================================================= + + l_Status = RtlStringCchPrintfExA + (l_TapString.Buffer, + l_TapString.MaximumLength, + NULL, + NULL, + STRSAFE_FILL_BEHIND_NULL | STRSAFE_IGNORE_NULLS, + "%s%s%s", + SYSDEVICEDIR, + l_UsableName, + TAP_WIN_SUFFIX); + + if (l_Status != STATUS_SUCCESS) + { + DEBUGP (("[%s] couldn't format TAP device name\n", + p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + l_TapString.Length = (USHORT) strlen (l_TapString.Buffer); + + DEBUGP (("TAP DEV NAME: '%s'\n", l_TapString.Buffer)); + + //======================================================= + // Set TAP link name + //======================================================= + + l_Status = RtlStringCchPrintfExA + (l_LinkString.Buffer, + l_LinkString.MaximumLength, + NULL, + NULL, + STRSAFE_FILL_BEHIND_NULL | STRSAFE_IGNORE_NULLS, + "%s%s%s", + USERDEVICEDIR, + l_UsableName, + TAP_WIN_SUFFIX); + + if (l_Status != STATUS_SUCCESS) + { + DEBUGP (("[%s] couldn't format TAP device symbolic link\n", + p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + l_LinkString.Length = (USHORT) strlen (l_LinkString.Buffer); + + DEBUGP (("TAP LINK NAME: '%s'\n", l_LinkString.Buffer)); + + //================================================== + // Convert strings to unicode + //================================================== + if (RtlAnsiStringToUnicodeString (&l_TapUnicode, &l_TapString, TRUE) != + STATUS_SUCCESS) + { + DEBUGP (("[%s] couldn't alloc TAP unicode name buffer\n", + p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + l_FreeTapUnicode = TRUE; + + if (RtlAnsiStringToUnicodeString + (&p_Extension->m_UnicodeLinkName, &l_LinkString, TRUE) + != STATUS_SUCCESS) + { + DEBUGP + (("[%s] Couldn't allocate unicode string for symbolic link name\n", + p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + p_Extension->m_CreatedUnicodeLinkName = TRUE; + + //================================================== + // Create new TAP device with symbolic + // link and associate with adapter. + //================================================== + + l_Status = NdisMRegisterDevice + (g_NdisWrapperHandle, + &l_TapUnicode, + &p_Extension->m_UnicodeLinkName, + l_Dispatch, + &p_Extension->m_TapDevice, + &p_Extension->m_TapDeviceHandle + ); + + if (l_Status != STATUS_SUCCESS) + { + DEBUGP (("[%s] couldn't be created\n", p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + + /* Set TAP device flags */ + p_Extension->m_TapDevice->Flags |= DO_DIRECT_IO; + + //======================================================== + // Initialize Packet and IRP queues. + // + // The packet queue is used to buffer data which has been + // "transmitted" by the virtual NIC, before user space + // has had a chance to read it. + // + // The IRP queue is used to buffer pending I/O requests + // from userspace, i.e. read requests on the TAP device + // waiting for the system to "transmit" something through + // the virtual NIC. + // + // Basically, packets in the packet queue are used + // to satisfy IRP requests in the IRP queue. + // + // QueueLock is used to lock the packet queue used + // for the TAP-Windows NIC -> User Space packet flow direction. + // + // All accesses to packet or IRP queues should be + // bracketed by the QueueLock spinlock, + // in order to be SMP-safe. + //======================================================== + + NdisAllocateSpinLock (&p_Extension->m_QueueLock); + NdisAllocateSpinLock (&p_Extension->m_InjectLock); + p_Extension->m_AllocatedSpinlocks = TRUE; + + p_Extension->m_PacketQueue = QueueInit (PACKET_QUEUE_SIZE); + p_Extension->m_IrpQueue = QueueInit (IRP_QUEUE_SIZE); + p_Extension->m_InjectQueue = QueueInit (INJECT_QUEUE_SIZE); + if (!p_Extension->m_PacketQueue + || !p_Extension->m_IrpQueue + || !p_Extension->m_InjectQueue) + { + DEBUGP (("[%s] couldn't alloc TAP queues\n", p_Name)); + l_Return = NDIS_STATUS_RESOURCES; + goto cleanup; + } + + //================================================================= + // Initialize deferred procedure call for DHCP/ARP packet injection + //================================================================= + + KeInitializeDpc (&p_Extension->m_InjectDpc, InjectPacketDpc, NULL); + p_Extension->m_InjectDpcInitialized = TRUE; + + //======================== + // Finalize initialization + //======================== + + p_Extension->m_TapIsRunning = TRUE; + + DEBUGP (("[%s] successfully created TAP device [%s]\n", p_Name, + p_Extension->m_TapName)); + + cleanup: + if (l_FreeTapUnicode) + RtlFreeUnicodeString (&l_TapUnicode); + if (l_LinkString.Buffer) + MemFree (l_LinkString.Buffer, NAME_BUFFER_SIZE); + if (l_Dispatch) + MemFree (l_Dispatch, SIZEOF_DISPATCH); + + if (l_Return != NDIS_STATUS_SUCCESS) + TapDeviceFreeResources (p_Extension); + + return l_Return; +} +#undef SIZEOF_DISPATCH + +//======================================================== +// Adapter Control +//======================================================== +NDIS_STATUS +AdapterReset (OUT PBOOLEAN p_AddressingReset, IN NDIS_HANDLE p_AdapterContext) +{ + TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; + DEBUGP (("[%s] is resetting\n", NAME (l_Adapter))); + return NDIS_STATUS_SUCCESS; +} + +NDIS_STATUS AdapterReceive + (OUT PNDIS_PACKET p_Packet, + OUT PUINT p_Transferred, + IN NDIS_HANDLE p_AdapterContext, + IN NDIS_HANDLE p_ReceiveContext, + IN UINT p_Offset, + IN UINT p_ToTransfer) +{ + return NDIS_STATUS_SUCCESS; +} + +//============================================================== +// Adapter Option Query/Modification +//============================================================== +NDIS_STATUS AdapterQuery +(IN NDIS_HANDLE p_AdapterContext, + IN NDIS_OID p_OID, + IN PVOID p_Buffer, + IN ULONG p_BufferLength, + OUT PULONG p_BytesWritten, OUT PULONG p_BytesNeeded) +{ + TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; + TapAdapterQuery l_Query, *l_QueryPtr = &l_Query; + NDIS_STATUS l_Status = NDIS_STATUS_SUCCESS; + UINT l_QueryLength = 4; + BOOLEAN lock_succeeded; + + NdisZeroMemory (&l_Query, sizeof (l_Query)); + + switch (p_OID) + { + //=================================================================== + // Vendor & Driver version Info + //=================================================================== + case OID_GEN_VENDOR_DESCRIPTION: + l_QueryPtr = (TapAdapterQueryPointer) PRODUCT_TAP_WIN_DEVICE_DESCRIPTION; + l_QueryLength = strlen (PRODUCT_TAP_WIN_DEVICE_DESCRIPTION) + 1; + break; + + case OID_GEN_VENDOR_ID: + l_Query.m_Long = 0xffffff; + break; + + case OID_GEN_DRIVER_VERSION: + l_Query.m_Short = + (((USHORT) TAP_NDIS_MAJOR_VERSION) << 8 | (USHORT) + TAP_NDIS_MINOR_VERSION); + l_QueryLength = sizeof (unsigned short); + break; + + case OID_GEN_VENDOR_DRIVER_VERSION: + l_Query.m_Long = + (((USHORT) PRODUCT_TAP_WIN_MAJOR) << 8 | (USHORT) + PRODUCT_TAP_WIN_MINOR); + break; + + //================================================================= + // Statistics + //================================================================= + case OID_GEN_RCV_NO_BUFFER: + l_Query.m_Long = 0; + break; + + case OID_802_3_RCV_ERROR_ALIGNMENT: + l_Query.m_Long = 0; + break; + + case OID_802_3_XMIT_ONE_COLLISION: + l_Query.m_Long = 0; + break; + + case OID_802_3_XMIT_MORE_COLLISIONS: + l_Query.m_Long = 0; + break; + + case OID_GEN_XMIT_OK: + l_Query.m_Long = l_Adapter->m_Tx; + break; + + case OID_GEN_RCV_OK: + l_Query.m_Long = l_Adapter->m_Rx; + break; + + case OID_GEN_XMIT_ERROR: + l_Query.m_Long = l_Adapter->m_TxErr; + break; + + case OID_GEN_RCV_ERROR: + l_Query.m_Long = l_Adapter->m_RxErr; + break; + + //=================================================================== + // Device & Protocol Options + //=================================================================== + case OID_GEN_SUPPORTED_LIST: + l_QueryPtr = (TapAdapterQueryPointer) g_SupportedOIDList; + l_QueryLength = sizeof (g_SupportedOIDList); + break; + + case OID_GEN_MAC_OPTIONS: + // This MUST be here !!! + l_Query.m_Long = (NDIS_MAC_OPTION_RECEIVE_SERIALIZED + | NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA + | NDIS_MAC_OPTION_NO_LOOPBACK + | NDIS_MAC_OPTION_TRANSFERS_NOT_PEND); + + break; + + case OID_GEN_CURRENT_PACKET_FILTER: + l_Query.m_Long = + (NDIS_PACKET_TYPE_ALL_LOCAL | + NDIS_PACKET_TYPE_BROADCAST | + NDIS_PACKET_TYPE_DIRECTED | NDIS_PACKET_TYPE_ALL_FUNCTIONAL); + + break; + + case OID_GEN_PROTOCOL_OPTIONS: + l_Query.m_Long = 0; + break; + + //================================================================== + // Device Info + //================================================================== + case OID_GEN_MEDIA_CONNECT_STATUS: + l_Query.m_Long = l_Adapter->m_MediaState + ? NdisMediaStateConnected : NdisMediaStateDisconnected; + break; + + case OID_GEN_HARDWARE_STATUS: + l_Query.m_HardwareStatus = NdisHardwareStatusReady; + l_QueryLength = sizeof (NDIS_HARDWARE_STATUS); + break; + + case OID_GEN_MEDIA_SUPPORTED: + case OID_GEN_MEDIA_IN_USE: + l_Query.m_Medium = l_Adapter->m_Medium; + l_QueryLength = sizeof (NDIS_MEDIUM); + break; + + case OID_GEN_PHYSICAL_MEDIUM: + l_Query.m_PhysicalMedium = NdisPhysicalMediumUnspecified; + l_QueryLength = sizeof (NDIS_PHYSICAL_MEDIUM); + break; + + case OID_GEN_LINK_SPEED: + l_Query.m_Long = 100000; // rate / 100 bps + break; + + case OID_802_3_PERMANENT_ADDRESS: + case OID_802_3_CURRENT_ADDRESS: + COPY_MAC (l_Query.m_MacAddress, l_Adapter->m_MAC); + l_QueryLength = sizeof (MACADDR); + break; + + //================================================================== + // Limits + //================================================================== + + case OID_GEN_MAXIMUM_SEND_PACKETS: + l_Query.m_Long = 1; + break; + + case OID_802_3_MAXIMUM_LIST_SIZE: + l_Query.m_Long = NIC_MAX_MCAST_LIST; + break; + + case OID_GEN_CURRENT_LOOKAHEAD: + l_Query.m_Long = l_Adapter->m_Lookahead; + break; + + case OID_GEN_MAXIMUM_LOOKAHEAD: + case OID_GEN_MAXIMUM_TOTAL_SIZE: + case OID_GEN_RECEIVE_BUFFER_SPACE: + case OID_GEN_RECEIVE_BLOCK_SIZE: + l_Query.m_Long = DEFAULT_PACKET_LOOKAHEAD; + break; + + case OID_GEN_MAXIMUM_FRAME_SIZE: + case OID_GEN_TRANSMIT_BLOCK_SIZE: + case OID_GEN_TRANSMIT_BUFFER_SPACE: + l_Query.m_Long = l_Adapter->m_MTU; + break; + + case OID_PNP_CAPABILITIES: + do + { + PNDIS_PNP_CAPABILITIES pPNPCapabilities; + PNDIS_PM_WAKE_UP_CAPABILITIES pPMstruct; + + if (p_BufferLength >= sizeof (NDIS_PNP_CAPABILITIES)) + { + pPNPCapabilities = (PNDIS_PNP_CAPABILITIES) (p_Buffer); + + // + // Setting up the buffer to be returned + // to the Protocol above the Passthru miniport + // + pPMstruct = &pPNPCapabilities->WakeUpCapabilities; + pPMstruct->MinMagicPacketWakeUp = NdisDeviceStateUnspecified; + pPMstruct->MinPatternWakeUp = NdisDeviceStateUnspecified; + pPMstruct->MinLinkChangeWakeUp = NdisDeviceStateUnspecified; + } + l_QueryLength = sizeof (NDIS_PNP_CAPABILITIES); + } + while (FALSE); + break; + case OID_PNP_QUERY_POWER: + break; + + // Required OIDs that we don't support + + case OID_GEN_SUPPORTED_GUIDS: + case OID_GEN_MEDIA_CAPABILITIES: + case OID_TCP_TASK_OFFLOAD: + case OID_FFP_SUPPORT: + l_Status = NDIS_STATUS_INVALID_OID; + break; + + // Optional stats OIDs + + case OID_GEN_DIRECTED_BYTES_XMIT: + case OID_GEN_DIRECTED_FRAMES_XMIT: + case OID_GEN_MULTICAST_BYTES_XMIT: + case OID_GEN_MULTICAST_FRAMES_XMIT: + case OID_GEN_BROADCAST_BYTES_XMIT: + case OID_GEN_BROADCAST_FRAMES_XMIT: + case OID_GEN_DIRECTED_BYTES_RCV: + case OID_GEN_DIRECTED_FRAMES_RCV: + case OID_GEN_MULTICAST_BYTES_RCV: + case OID_GEN_MULTICAST_FRAMES_RCV: + case OID_GEN_BROADCAST_BYTES_RCV: + case OID_GEN_BROADCAST_FRAMES_RCV: + l_Status = NDIS_STATUS_INVALID_OID; + break; + + //=================================================================== + // Not Handled + //=================================================================== + default: + DEBUGP (("[%s] Unhandled OID %lx\n", NAME (l_Adapter), p_OID)); + l_Status = NDIS_STATUS_INVALID_OID; + break; + } + + if (l_Status != NDIS_STATUS_SUCCESS) + ; + else if (l_QueryLength > p_BufferLength) + { + l_Status = NDIS_STATUS_INVALID_LENGTH; + *p_BytesNeeded = l_QueryLength; + } + else + NdisMoveMemory (p_Buffer, (PVOID) l_QueryPtr, + (*p_BytesWritten = l_QueryLength)); + + return l_Status; +} + +NDIS_STATUS AdapterModify +(IN NDIS_HANDLE p_AdapterContext, + IN NDIS_OID p_OID, + IN PVOID p_Buffer, + IN ULONG p_BufferLength, + OUT PULONG p_BytesRead, + OUT PULONG p_BytesNeeded) +{ + TapAdapterQueryPointer l_Query = (TapAdapterQueryPointer) p_Buffer; + TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; + NDIS_STATUS l_Status = NDIS_STATUS_INVALID_OID; + ULONG l_Long; + + switch (p_OID) + { + //================================================================== + // Device Info + //================================================================== + case OID_802_3_MULTICAST_LIST: + DEBUGP (("[%s] Setting [OID_802_3_MULTICAST_LIST]\n", + NAME (l_Adapter))); + + *p_BytesNeeded = sizeof (ETH_ADDR); + *p_BytesRead = p_BufferLength; + + if (p_BufferLength % sizeof (ETH_ADDR)) + l_Status = NDIS_STATUS_INVALID_LENGTH; + else if (p_BufferLength > sizeof (MC_LIST)) + { + l_Status = NDIS_STATUS_MULTICAST_FULL; + *p_BytesNeeded = sizeof (MC_LIST); + } + else + { + NdisAcquireSpinLock (&l_Adapter->m_MCLock); + + NdisZeroMemory(&l_Adapter->m_MCList, sizeof (MC_LIST)); + + NdisMoveMemory(&l_Adapter->m_MCList, + p_Buffer, + p_BufferLength); + + l_Adapter->m_MCListSize = p_BufferLength / sizeof (ETH_ADDR); + + NdisReleaseSpinLock (&l_Adapter->m_MCLock); + + l_Status = NDIS_STATUS_SUCCESS; + } + break; + + case OID_GEN_CURRENT_PACKET_FILTER: + l_Status = NDIS_STATUS_INVALID_LENGTH; + *p_BytesNeeded = 4; + + if (p_BufferLength >= sizeof (ULONG)) + { + DEBUGP + (("[%s] Setting [OID_GEN_CURRENT_PACKET_FILTER] to [0x%02lx]\n", + NAME (l_Adapter), l_Query->m_Long)); + l_Status = NDIS_STATUS_SUCCESS; + *p_BytesRead = sizeof (ULONG); + } + break; + + case OID_GEN_CURRENT_LOOKAHEAD: + if (p_BufferLength < sizeof (ULONG)) + { + l_Status = NDIS_STATUS_INVALID_LENGTH; + *p_BytesNeeded = 4; + } + else if (l_Query->m_Long > DEFAULT_PACKET_LOOKAHEAD + || l_Query->m_Long <= 0) + { + l_Status = NDIS_STATUS_INVALID_DATA; + } + else + { + DEBUGP (("[%s] Setting [OID_GEN_CURRENT_LOOKAHEAD] to [%d]\n", + NAME (l_Adapter), l_Query->m_Long)); + l_Adapter->m_Lookahead = l_Query->m_Long; + l_Status = NDIS_STATUS_SUCCESS; + *p_BytesRead = sizeof (ULONG); + } + break; + + case OID_GEN_NETWORK_LAYER_ADDRESSES: + l_Status = NDIS_STATUS_SUCCESS; + *p_BytesRead = *p_BytesNeeded = 0; + break; + + case OID_GEN_TRANSPORT_HEADER_OFFSET: + l_Status = NDIS_STATUS_SUCCESS; + *p_BytesRead = *p_BytesNeeded = 0; + break; + + case OID_PNP_SET_POWER: + do + { + NDIS_DEVICE_POWER_STATE NewDeviceState; + + NewDeviceState = (*(PNDIS_DEVICE_POWER_STATE) p_Buffer); + + switch (NewDeviceState) + { + case NdisDeviceStateD0: + l_Adapter->m_DeviceState = '0'; + break; + case NdisDeviceStateD1: + l_Adapter->m_DeviceState = '1'; + break; + case NdisDeviceStateD2: + l_Adapter->m_DeviceState = '2'; + break; + case NdisDeviceStateD3: + l_Adapter->m_DeviceState = '3'; + break; + default: + l_Adapter->m_DeviceState = '?'; + break; + } + + l_Status = NDIS_STATUS_FAILURE; + + // + // Check for invalid length + // + if (p_BufferLength < sizeof (NDIS_DEVICE_POWER_STATE)) + { + l_Status = NDIS_STATUS_INVALID_LENGTH; + break; + } + + if (NewDeviceState > NdisDeviceStateD0) + { + l_Adapter->m_InterfaceIsRunning = FALSE; + DEBUGP (("[%s] Power management device state OFF\n", + NAME (l_Adapter))); + } + else + { + l_Adapter->m_InterfaceIsRunning = TRUE; + DEBUGP (("[%s] Power management device state ON\n", + NAME (l_Adapter))); + } + + l_Status = NDIS_STATUS_SUCCESS; + } + while (FALSE); + + if (l_Status == NDIS_STATUS_SUCCESS) + { + *p_BytesRead = sizeof (NDIS_DEVICE_POWER_STATE); + *p_BytesNeeded = 0; + } + else + { + *p_BytesRead = 0; + *p_BytesNeeded = sizeof (NDIS_DEVICE_POWER_STATE); + } + break; + + case OID_PNP_REMOVE_WAKE_UP_PATTERN: + case OID_PNP_ADD_WAKE_UP_PATTERN: + l_Status = NDIS_STATUS_SUCCESS; + *p_BytesRead = *p_BytesNeeded = 0; + break; + + default: + DEBUGP (("[%s] Can't set value for OID %lx\n", NAME (l_Adapter), + p_OID)); + l_Status = NDIS_STATUS_INVALID_OID; + *p_BytesRead = *p_BytesNeeded = 0; + break; + } + + return l_Status; +} + +// checksum code for ICMPv6 packet, taken from dhcp.c / udp_checksum +// see RFC 4443, 2.3, and RFC 2460, 8.1 +USHORT +icmpv6_checksum (const UCHAR *buf, + const int len_icmpv6, + const UCHAR *saddr6, + const UCHAR *daddr6) +{ + USHORT word16; + ULONG sum = 0; + int i; + + // make 16 bit words out of every two adjacent 8 bit words and + // calculate the sum of all 16 bit words + for (i = 0; i < len_icmpv6; i += 2){ + word16 = ((buf[i] << 8) & 0xFF00) + ((i + 1 < len_icmpv6) ? (buf[i+1] & 0xFF) : 0); + sum += word16; + } + + // add the IPv6 pseudo header which contains the IP source and destination addresses + for (i = 0; i < 16; i += 2){ + word16 =((saddr6[i] << 8) & 0xFF00) + (saddr6[i+1] & 0xFF); + sum += word16; + } + for (i = 0; i < 16; i += 2){ + word16 =((daddr6[i] << 8) & 0xFF00) + (daddr6[i+1] & 0xFF); + sum += word16; + } + + // the next-header number and the length of the ICMPv6 packet + sum += (USHORT) IPPROTO_ICMPV6 + (USHORT) len_icmpv6; + + // keep only the last 16 bits of the 32 bit calculated sum and add the carries + while (sum >> 16) + sum = (sum & 0xFFFF) + (sum >> 16); + + // Take the one's complement of sum + return ((USHORT) ~sum); +} + +// check IPv6 packet for "is this an IPv6 Neighbor Solicitation that +// the tap driver needs to answer?" +// see RFC 4861 4.3 for the different cases +static IPV6ADDR IPV6_NS_TARGET_MCAST = + { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x01, 0xff, 0x00, 0x00, 0x08 }; +static IPV6ADDR IPV6_NS_TARGET_UNICAST = + { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08 }; + +#if 0 +BOOLEAN +HandleIPv6NeighborDiscovery( TapAdapterPointer p_Adapter, UCHAR * m_Data ) +{ + const ETH_HEADER * e = (ETH_HEADER *) m_Data; + const IPV6HDR *ipv6 = (IPV6HDR *) (m_Data + sizeof (ETH_HEADER)); + const ICMPV6_NS * icmpv6_ns = (ICMPV6_NS *) (m_Data + sizeof (ETH_HEADER) + sizeof (IPV6HDR)); + ICMPV6_NA_PKT *na; + USHORT icmpv6_len, icmpv6_csum; + + // we don't really care about the destination MAC address here + // - it's either a multicast MAC, or the userland destination MAC + // but since the TAP driver is point-to-point, all packets are "for us" + + // IPv6 target address must be ff02::1::ff00:8 (multicast for + // initial NS) or fe80::1 (unicast for recurrent NUD) + if ( memcmp( ipv6->daddr, IPV6_NS_TARGET_MCAST, + sizeof(IPV6ADDR) ) != 0 && + memcmp( ipv6->daddr, IPV6_NS_TARGET_UNICAST, + sizeof(IPV6ADDR) ) != 0 ) + { + return FALSE; // wrong target address + } + + // IPv6 Next-Header must be ICMPv6 + if ( ipv6->nexthdr != IPPROTO_ICMPV6 ) + { + return FALSE; // wrong next-header + } + + // ICMPv6 type+code must be 135/0 for NS + if ( icmpv6_ns->type != ICMPV6_TYPE_NS || + icmpv6_ns->code != ICMPV6_CODE_0 ) + { + return FALSE; // wrong ICMPv6 type + } + + // ICMPv6 target address must be fe80::8 (magic) + if ( memcmp( icmpv6_ns->target_addr, IPV6_NS_TARGET_UNICAST, + sizeof(IPV6ADDR) ) != 0 ) + { + return FALSE; // not for us + } + + // packet identified, build magic response packet + + na = (ICMPV6_NA_PKT *) MemAlloc (sizeof (ICMPV6_NA_PKT), TRUE); + if ( !na ) return FALSE; + + //------------------------------------------------ + // Initialize Neighbour Advertisement reply packet + //------------------------------------------------ + + // ethernet header + na->eth.proto = htons(ETH_P_IPV6); + COPY_MAC(na->eth.dest, p_Adapter->m_MAC); + COPY_MAC(na->eth.src, p_Adapter->m_TapToUser.dest); + + // IPv6 header + na->ipv6.version_prio = ipv6->version_prio; + NdisMoveMemory( na->ipv6.flow_lbl, ipv6->flow_lbl, + sizeof(na->ipv6.flow_lbl) ); + icmpv6_len = sizeof(ICMPV6_NA_PKT) - sizeof(ETH_HEADER) - sizeof(IPV6HDR); + na->ipv6.payload_len = htons(icmpv6_len); + na->ipv6.nexthdr = IPPROTO_ICMPV6; + na->ipv6.hop_limit = 255; + NdisMoveMemory( na->ipv6.saddr, IPV6_NS_TARGET_UNICAST, + sizeof(IPV6ADDR) ); + NdisMoveMemory( na->ipv6.daddr, ipv6->saddr, + sizeof(IPV6ADDR) ); + + // ICMPv6 + na->icmpv6.type = ICMPV6_TYPE_NA; + na->icmpv6.code = ICMPV6_CODE_0; + na->icmpv6.checksum = 0; + na->icmpv6.rso_bits = 0x60; // Solicited + Override + NdisZeroMemory( na->icmpv6.reserved, sizeof(na->icmpv6.reserved) ); + NdisMoveMemory( na->icmpv6.target_addr, IPV6_NS_TARGET_UNICAST, + sizeof(IPV6ADDR) ); + + // ICMPv6 option "Target Link Layer Address" + na->icmpv6.opt_type = ICMPV6_OPTION_TLLA; + na->icmpv6.opt_length = ICMPV6_LENGTH_TLLA; + COPY_MAC( na->icmpv6.target_macaddr, p_Adapter->m_TapToUser.dest ); + + // calculate and set checksum + icmpv6_csum = icmpv6_checksum ( (UCHAR*) &(na->icmpv6), + icmpv6_len, + na->ipv6.saddr, + na->ipv6.daddr ); + na->icmpv6.checksum = htons( icmpv6_csum ); + + DUMP_PACKET ("HandleIPv6NeighborDiscovery", + (unsigned char *) na, + sizeof (ICMPV6_NA_PKT)); + + InjectPacketDeferred (p_Adapter, (UCHAR *) na, sizeof (ICMPV6_NA_PKT)); + + MemFree (na, sizeof (ICMPV6_NA_PKT)); + + return TRUE; // all fine +} +#endif + +//==================================================================== +// Adapter Transmission +//==================================================================== +NDIS_STATUS +AdapterTransmit (IN NDIS_HANDLE p_AdapterContext, + IN PNDIS_PACKET p_Packet, + IN UINT p_Flags) +{ + TapAdapterPointer l_Adapter = (TapAdapterPointer) p_AdapterContext; + ULONG l_Index = 0, l_PacketLength = 0; + UINT l_BufferLength = 0; + PIRP l_IRP; + TapPacketPointer l_PacketBuffer; + PNDIS_BUFFER l_NDIS_Buffer; + PUCHAR l_Buffer; + PVOID result; + + NdisQueryPacket (p_Packet, NULL, NULL, &l_NDIS_Buffer, &l_PacketLength); + + //==================================================== + // Here we abandon the transmission attempt if any of + // the parameters is wrong or memory allocation fails + // but we do not indicate failure. The packet is + // silently dropped. + //==================================================== + + if (l_PacketLength < ETHERNET_HEADER_SIZE || l_PacketLength > 65535) + goto exit_fail; + else if (!l_Adapter->m_Extension.m_TapOpens || !l_Adapter->m_MediaState) + goto exit_success; // Nothing is bound to the TAP device + + if (NdisAllocateMemoryWithTag (&l_PacketBuffer, + TAP_PACKET_SIZE (l_PacketLength), + '5PAT') != NDIS_STATUS_SUCCESS) + goto exit_no_resources; + + if (l_PacketBuffer == NULL) + goto exit_no_resources; + + l_PacketBuffer->m_SizeFlags = (l_PacketLength & TP_SIZE_MASK); + + //=========================== + // Reassemble packet contents + //=========================== + + __try + { + l_Index = 0; + while (l_NDIS_Buffer && l_Index < l_PacketLength) + { + ULONG newlen; + NdisQueryBuffer (l_NDIS_Buffer, (PVOID *) & l_Buffer, + &l_BufferLength); + newlen = l_Index + l_BufferLength; + if (newlen > l_PacketLength) + { + NOTE_ERROR (); + goto no_queue; /* overflow */ + } + NdisMoveMemory (l_PacketBuffer->m_Data + l_Index, l_Buffer, + l_BufferLength); + l_Index = newlen; + NdisGetNextBuffer (l_NDIS_Buffer, &l_NDIS_Buffer); + } + if (l_Index != l_PacketLength) + { + NOTE_ERROR (); + goto no_queue; /* underflow */ + } + + DUMP_PACKET ("AdapterTransmit", l_PacketBuffer->m_Data, l_PacketLength); + + //===================================================== + // If IPv4 packet, check whether or not packet + // was truncated. + //===================================================== +#if PACKET_TRUNCATION_CHECK + IPv4PacketSizeVerify (l_PacketBuffer->m_Data, l_PacketLength, FALSE, "TX", &l_Adapter->m_TxTrunc); +#endif + +#if 0 + //===================================================== + // Are we running in DHCP server masquerade mode? + // + // If so, catch both DHCP requests and ARP queries + // to resolve the address of our virtual DHCP server. + //===================================================== + if (l_Adapter->m_dhcp_enabled) + { + const ETH_HEADER *eth = (ETH_HEADER *) l_PacketBuffer->m_Data; + const IPHDR *ip = (IPHDR *) (l_PacketBuffer->m_Data + sizeof (ETH_HEADER)); + const UDPHDR *udp = (UDPHDR *) (l_PacketBuffer->m_Data + sizeof (ETH_HEADER) + sizeof (IPHDR)); + + // ARP packet? + if (l_PacketLength == sizeof (ARP_PACKET) + && eth->proto == htons (ETH_P_ARP) + && l_Adapter->m_dhcp_server_arp) + { + if (ProcessARP (l_Adapter, + (PARP_PACKET) l_PacketBuffer->m_Data, + l_Adapter->m_dhcp_addr, + l_Adapter->m_dhcp_server_ip, + ~0, + l_Adapter->m_dhcp_server_mac)) + goto no_queue; + } +#endif + +#if 0 + // DHCP packet? + else if (l_PacketLength >= sizeof (ETH_HEADER) + sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP) + && eth->proto == htons (ETH_P_IP) + && ip->version_len == 0x45 // IPv4, 20 byte header + && ip->protocol == IPPROTO_UDP + && udp->dest == htons (BOOTPS_PORT)) + { + const DHCP *dhcp = (DHCP *) (l_PacketBuffer->m_Data + + sizeof (ETH_HEADER) + + sizeof (IPHDR) + + sizeof (UDPHDR)); + + const int optlen = l_PacketLength + - sizeof (ETH_HEADER) + - sizeof (IPHDR) + - sizeof (UDPHDR) + - sizeof (DHCP); + + if (optlen > 0) // we must have at least one DHCP option + { + if (ProcessDHCP (l_Adapter, eth, ip, udp, dhcp, optlen)) + goto no_queue; + } + else + goto no_queue; + } + } +#endif + + //=============================================== + // In Point-To-Point mode, check to see whether + // packet is ARP (handled) or IPv4 (sent to app). + // IPv6 packets are inspected for neighbour discovery + // (to be handled locally), and the rest is forwarded + // all other protocols are dropped + //=============================================== +#if 0 + if (l_Adapter->m_tun) + { + ETH_HEADER *e; + + if (l_PacketLength < ETHERNET_HEADER_SIZE) + goto no_queue; + + e = (ETH_HEADER *) l_PacketBuffer->m_Data; + + switch (ntohs (e->proto)) + { + case ETH_P_ARP: + + // Make sure that packet is the + // right size for ARP. + if (l_PacketLength != sizeof (ARP_PACKET)) + goto no_queue; + + ProcessARP (l_Adapter, + (PARP_PACKET) l_PacketBuffer->m_Data, + l_Adapter->m_localIP, + l_Adapter->m_remoteNetwork, + l_Adapter->m_remoteNetmask, + l_Adapter->m_TapToUser.dest); + + default: + goto no_queue; + + case ETH_P_IP: + + // Make sure that packet is large + // enough to be IPv4. + if (l_PacketLength + < ETHERNET_HEADER_SIZE + IP_HEADER_SIZE) + goto no_queue; + + // Only accept directed packets, + // not broadcasts. + if (memcmp (e, &l_Adapter->m_TapToUser, ETHERNET_HEADER_SIZE)) + goto no_queue; + + // Packet looks like IPv4, queue it. + l_PacketBuffer->m_SizeFlags |= TP_TUN; + break; + + case ETH_P_IPV6: + // make sure that packet is large + // enough to be IPv6 + if (l_PacketLength + < ETHERNET_HEADER_SIZE + IPV6_HEADER_SIZE) + goto no_queue; + + // broadcasts and multicasts are handled specially + // (to be implemented) + + // neighbor discovery packets to fe80::8 are special + // OpenVPN sets this next-hop to signal "handled by tapdrv" + if ( HandleIPv6NeighborDiscovery( l_Adapter, + l_PacketBuffer->m_Data )) + { + goto no_queue; + } + + // Packet looks like IPv6, queue it :-) + l_PacketBuffer->m_SizeFlags |= TP_TUN; + } + } +#endif + + //=============================================== + // Push packet onto queue to wait for read from + // userspace. + //=============================================== + + NdisAcquireSpinLock (&l_Adapter->m_Extension.m_QueueLock); + + result = NULL; + if (IS_UP (l_Adapter)) + result = QueuePush (l_Adapter->m_Extension.m_PacketQueue, l_PacketBuffer); + + NdisReleaseSpinLock (&l_Adapter->m_Extension.m_QueueLock); + + if ((TapPacketPointer) result != l_PacketBuffer) + { + // adapter receive overrun + INCREMENT_STAT (l_Adapter->m_TxErr); + goto no_queue; + } + else + { + INCREMENT_STAT (l_Adapter->m_Tx); + } + + //============================================================ + // Cycle through IRPs and packets, try to satisfy each pending + // IRP with a queued packet. + //============================================================ + while (TRUE) + { + l_IRP = NULL; + l_PacketBuffer = NULL; + + NdisAcquireSpinLock (&l_Adapter->m_Extension.m_QueueLock); + + if (IS_UP (l_Adapter) + && QueueCount (l_Adapter->m_Extension.m_PacketQueue) + && QueueCount (l_Adapter->m_Extension.m_IrpQueue)) + { + l_IRP = (PIRP) QueuePop (l_Adapter->m_Extension.m_IrpQueue); + l_PacketBuffer = (TapPacketPointer) + QueuePop (l_Adapter->m_Extension.m_PacketQueue); + } + + NdisReleaseSpinLock (&l_Adapter->m_Extension.m_QueueLock); + + MYASSERT ((l_IRP != NULL) + (l_PacketBuffer != NULL) != 1); + + if (l_IRP && l_PacketBuffer) + { + CompleteIRP (l_IRP, + l_PacketBuffer, + IO_NETWORK_INCREMENT); + } + else + break; + } + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + } + + return NDIS_STATUS_SUCCESS; + + no_queue: + NdisFreeMemory (l_PacketBuffer, + TAP_PACKET_SIZE (l_PacketLength), + 0); + + exit_success: + return NDIS_STATUS_SUCCESS; + + exit_fail: + return NDIS_STATUS_FAILURE; + + exit_no_resources: + return NDIS_STATUS_RESOURCES; +} + +//====================================================================== +// Hooks for catching TAP device IRP's. +//====================================================================== + +DRIVER_DISPATCH TapDeviceHook; +NTSTATUS +TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP) +{ + TapAdapterPointer l_Adapter = LookupAdapterInInstanceList (p_DeviceObject); + PIO_STACK_LOCATION l_IrpSp; + NTSTATUS l_Status = STATUS_SUCCESS; + BOOLEAN accessible; + + l_IrpSp = IoGetCurrentIrpStackLocation (p_IRP); + + p_IRP->IoStatus.Status = STATUS_SUCCESS; + p_IRP->IoStatus.Information = 0; + + if (!l_Adapter || l_Adapter->m_Extension.m_Halt) + { + DEBUGP (("TapDeviceHook called when TAP device is halted, MajorFunction=%d\n", + (int)l_IrpSp->MajorFunction)); + + if (l_IrpSp->MajorFunction == IRP_MJ_CLOSE) + { + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + return STATUS_SUCCESS; + } + else + { + p_IRP->IoStatus.Status = STATUS_NO_SUCH_DEVICE; + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + return STATUS_NO_SUCH_DEVICE; + } + } + + switch (l_IrpSp->MajorFunction) + { + //=========================================================== + // Ioctl call handlers + //=========================================================== + case IRP_MJ_DEVICE_CONTROL: + { + switch (l_IrpSp->Parameters.DeviceIoControl.IoControlCode) + { + case TAP_WIN_IOCTL_GET_MAC: + { + if (l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength + >= sizeof (MACADDR)) + { + COPY_MAC (p_IRP->AssociatedIrp.SystemBuffer, + l_Adapter->m_MAC); + p_IRP->IoStatus.Information = sizeof (MACADDR); + } + else + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_BUFFER_TOO_SMALL; + } + break; + } + case TAP_WIN_IOCTL_GET_VERSION: + { + const ULONG size = sizeof (ULONG) * 3; + if (l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength + >= size) + { + ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[0] + = TAP_DRIVER_MAJOR_VERSION; + ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[1] + = TAP_DRIVER_MINOR_VERSION; + ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[2] +#if DBG + = 1; +#else + = 0; +#endif + p_IRP->IoStatus.Information = size; + } + else + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_BUFFER_TOO_SMALL; + } + + break; + } + case TAP_WIN_IOCTL_GET_MTU: + { + const ULONG size = sizeof (ULONG) * 1; + if (l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength + >= size) + { + ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[0] + = l_Adapter->m_MTU; + p_IRP->IoStatus.Information = size; + } + else + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_BUFFER_TOO_SMALL; + } + + break; + } + case TAP_WIN_IOCTL_GET_INFO: + { + char state[16]; + if (l_Adapter->m_InterfaceIsRunning) + state[0] = 'A'; + else + state[0] = 'a'; + if (l_Adapter->m_Extension.m_TapIsRunning) + state[1] = 'T'; + else + state[1] = 't'; + state[2] = l_Adapter->m_DeviceState; + if (l_Adapter->m_MediaStateAlwaysConnected) + state[3] = 'C'; + else + state[3] = 'c'; + state[4] = '\0'; + + p_IRP->IoStatus.Status = l_Status = RtlStringCchPrintfExA ( + ((LPTSTR) (p_IRP->AssociatedIrp.SystemBuffer)), + l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength, + NULL, + NULL, + STRSAFE_FILL_BEHIND_NULL | STRSAFE_IGNORE_NULLS, +#if PACKET_TRUNCATION_CHECK + "State=%s Err=[%s/%d] #O=%d Tx=[%d,%d,%d] Rx=[%d,%d,%d] IrpQ=[%d,%d,%d] PktQ=[%d,%d,%d] InjQ=[%d,%d,%d]", +#else + "State=%s Err=[%s/%d] #O=%d Tx=[%d,%d] Rx=[%d,%d] IrpQ=[%d,%d,%d] PktQ=[%d,%d,%d] InjQ=[%d,%d,%d]", +#endif + state, + g_LastErrorFilename, + g_LastErrorLineNumber, + (int)l_Adapter->m_Extension.m_NumTapOpens, + (int)l_Adapter->m_Tx, + (int)l_Adapter->m_TxErr, +#if PACKET_TRUNCATION_CHECK + (int)l_Adapter->m_TxTrunc, +#endif + (int)l_Adapter->m_Rx, + (int)l_Adapter->m_RxErr, +#if PACKET_TRUNCATION_CHECK + (int)l_Adapter->m_RxTrunc, +#endif + (int)l_Adapter->m_Extension.m_IrpQueue->size, + (int)l_Adapter->m_Extension.m_IrpQueue->max_size, + (int)IRP_QUEUE_SIZE, + (int)l_Adapter->m_Extension.m_PacketQueue->size, + (int)l_Adapter->m_Extension.m_PacketQueue->max_size, + (int)PACKET_QUEUE_SIZE, + (int)l_Adapter->m_Extension.m_InjectQueue->size, + (int)l_Adapter->m_Extension.m_InjectQueue->max_size, + (int)INJECT_QUEUE_SIZE + ); + + p_IRP->IoStatus.Information + = l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength; + + break; + } + +#if DBG + case TAP_WIN_IOCTL_GET_LOG_LINE: + { + if (GetDebugLine ((LPTSTR)p_IRP->AssociatedIrp.SystemBuffer, + l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength)) + p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; + else + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + + p_IRP->IoStatus.Information + = l_IrpSp->Parameters.DeviceIoControl.OutputBufferLength; + + break; + } +#endif + +#if 0 + case TAP_WIN_IOCTL_CONFIG_TUN: + { + if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= + (sizeof (IPADDR) * 3)) + { + MACADDR dest; + + l_Adapter->m_tun = FALSE; + + GenerateRelatedMAC (dest, l_Adapter->m_MAC, 1); + + l_Adapter->m_localIP = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[0]; + l_Adapter->m_remoteNetwork = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[1]; + l_Adapter->m_remoteNetmask = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[2]; + + // sanity check on network/netmask + if ((l_Adapter->m_remoteNetwork & l_Adapter->m_remoteNetmask) != l_Adapter->m_remoteNetwork) + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; + break; + } + + COPY_MAC (l_Adapter->m_TapToUser.src, l_Adapter->m_MAC); + COPY_MAC (l_Adapter->m_TapToUser.dest, dest); + COPY_MAC (l_Adapter->m_UserToTap.src, dest); + COPY_MAC (l_Adapter->m_UserToTap.dest, l_Adapter->m_MAC); + + l_Adapter->m_TapToUser.proto = l_Adapter->m_UserToTap.proto = htons (ETH_P_IP); + l_Adapter->m_UserToTap_IPv6 = l_Adapter->m_UserToTap; + l_Adapter->m_UserToTap_IPv6.proto = htons(ETH_P_IPV6); + + l_Adapter->m_tun = TRUE; + + CheckIfDhcpAndTunMode (l_Adapter); + + p_IRP->IoStatus.Information = 1; // Simple boolean value + } + else + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; + } + + break; + } +#endif + +#if 0 + case TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT: // Obsoleted by TAP_WIN_IOCTL_CONFIG_TUN + { + if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= + (sizeof (IPADDR) * 2)) + { + MACADDR dest; + + l_Adapter->m_tun = FALSE; + + GenerateRelatedMAC (dest, l_Adapter->m_MAC, 1); + + l_Adapter->m_localIP = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[0]; + l_Adapter->m_remoteNetwork = ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[1]; + l_Adapter->m_remoteNetmask = ~0; + + COPY_MAC (l_Adapter->m_TapToUser.src, l_Adapter->m_MAC); + COPY_MAC (l_Adapter->m_TapToUser.dest, dest); + COPY_MAC (l_Adapter->m_UserToTap.src, dest); + COPY_MAC (l_Adapter->m_UserToTap.dest, l_Adapter->m_MAC); + + l_Adapter->m_TapToUser.proto = l_Adapter->m_UserToTap.proto = htons (ETH_P_IP); + l_Adapter->m_UserToTap_IPv6 = l_Adapter->m_UserToTap; + l_Adapter->m_UserToTap_IPv6.proto = htons(ETH_P_IPV6); + + l_Adapter->m_tun = TRUE; + + CheckIfDhcpAndTunMode (l_Adapter); + + p_IRP->IoStatus.Information = 1; // Simple boolean value + } + else + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; + } + + break; + } +#endif + + case TAP_WIN_IOCTL_SET_MEDIA_STATUS: + { + if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= + (sizeof (ULONG) * 1)) + { + ULONG parm = ((PULONG) (p_IRP->AssociatedIrp.SystemBuffer))[0]; + SetMediaStatus (l_Adapter, (BOOLEAN) parm); + p_IRP->IoStatus.Information = 1; + } + else + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; + } + break; + } + +#if 0 + case TAP_WIN_IOCTL_CONFIG_DHCP_MASQ: + { + if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= + (sizeof (IPADDR) * 4)) + { + l_Adapter->m_dhcp_enabled = FALSE; + l_Adapter->m_dhcp_server_arp = FALSE; + l_Adapter->m_dhcp_user_supplied_options_buffer_len = 0; + + // Adapter IP addr / netmask + l_Adapter->m_dhcp_addr = + ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[0]; + l_Adapter->m_dhcp_netmask = + ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[1]; + + // IP addr of DHCP masq server + l_Adapter->m_dhcp_server_ip = + ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[2]; + + // Lease time in seconds + l_Adapter->m_dhcp_lease_time = + ((IPADDR*) (p_IRP->AssociatedIrp.SystemBuffer))[3]; + + GenerateRelatedMAC (l_Adapter->m_dhcp_server_mac, l_Adapter->m_MAC, 2); + + l_Adapter->m_dhcp_enabled = TRUE; + l_Adapter->m_dhcp_server_arp = TRUE; + + CheckIfDhcpAndTunMode (l_Adapter); + + p_IRP->IoStatus.Information = 1; // Simple boolean value + } + else + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; + } + + break; + } + + case TAP_WIN_IOCTL_CONFIG_DHCP_SET_OPT: + { + if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength <= + DHCP_USER_SUPPLIED_OPTIONS_BUFFER_SIZE + && l_Adapter->m_dhcp_enabled) + { + l_Adapter->m_dhcp_user_supplied_options_buffer_len = 0; + + NdisMoveMemory (l_Adapter->m_dhcp_user_supplied_options_buffer, + p_IRP->AssociatedIrp.SystemBuffer, + l_IrpSp->Parameters.DeviceIoControl.InputBufferLength); + + l_Adapter->m_dhcp_user_supplied_options_buffer_len = + l_IrpSp->Parameters.DeviceIoControl.InputBufferLength; + + p_IRP->IoStatus.Information = 1; // Simple boolean value + } + else + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; + } + + break; + } +#endif + + default: + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; + break; + } + } + + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + break; + } + + //=========================================================== + // User mode thread issued a read request on the tap device + // If there are packets waiting to be read, then the request + // will be satisfied here. If not, then the request will be + // queued and satisfied by any packet that is not used to + // satisfy requests ahead of it. + //=========================================================== + case IRP_MJ_READ: + { + TapPacketPointer l_PacketBuffer; + BOOLEAN pending = FALSE; + + // Save IRP-accessible copy of buffer length + p_IRP->IoStatus.Information = l_IrpSp->Parameters.Read.Length; + + if (p_IRP->MdlAddress == NULL) + { + DEBUGP (("[%s] MdlAddress is NULL for IRP_MJ_READ\n", + NAME (l_Adapter))); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; + p_IRP->IoStatus.Information = 0; + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + break; + } + else if ((p_IRP->AssociatedIrp.SystemBuffer = + MmGetSystemAddressForMdlSafe + (p_IRP->MdlAddress, NormalPagePriority)) == NULL) + { + DEBUGP (("[%s] Could not map address in IRP_MJ_READ\n", + NAME (l_Adapter))); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INSUFFICIENT_RESOURCES; + p_IRP->IoStatus.Information = 0; + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + break; + } + else if (!l_Adapter->m_InterfaceIsRunning) + { + DEBUGP (("[%s] Interface is down in IRP_MJ_READ\n", + NAME (l_Adapter))); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + p_IRP->IoStatus.Information = 0; + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + break; + } + + //================================== + // Can we provide immediate service? + //================================== + + l_PacketBuffer = NULL; + + NdisAcquireSpinLock (&l_Adapter->m_Extension.m_QueueLock); + + if (IS_UP (l_Adapter) + && QueueCount (l_Adapter->m_Extension.m_PacketQueue) + && QueueCount (l_Adapter->m_Extension.m_IrpQueue) == 0) + { + l_PacketBuffer = (TapPacketPointer) + QueuePop (l_Adapter->m_Extension.m_PacketQueue); + } + + NdisReleaseSpinLock (&l_Adapter->m_Extension.m_QueueLock); + + if (l_PacketBuffer) + { + l_Status = CompleteIRP (p_IRP, + l_PacketBuffer, + IO_NO_INCREMENT); + break; + } + + //============================= + // Attempt to pend read request + //============================= + + NdisAcquireSpinLock (&l_Adapter->m_Extension.m_QueueLock); + + if (IS_UP (l_Adapter) + && QueuePush (l_Adapter->m_Extension.m_IrpQueue, p_IRP) == (PIRP) p_IRP) + { + IoSetCancelRoutine (p_IRP, CancelIRPCallback); + l_Status = STATUS_PENDING; + IoMarkIrpPending (p_IRP); + pending = TRUE; + } + + NdisReleaseSpinLock (&l_Adapter->m_Extension.m_QueueLock); + + if (pending) + break; + + // Can't queue anymore IRP's + DEBUGP (("[%s] TAP [%s] read IRP overrun\n", + NAME (l_Adapter), l_Adapter->m_Extension.m_TapName)); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + p_IRP->IoStatus.Information = 0; + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + break; + } + + //============================================================== + // User mode issued a WriteFile request on the TAP file handle. + // The request will always get satisfied here. The call may + // fail if there are too many pending packets (queue full). + //============================================================== + case IRP_MJ_WRITE: + { + if (p_IRP->MdlAddress == NULL) + { + DEBUGP (("[%s] MdlAddress is NULL for IRP_MJ_WRITE\n", + NAME (l_Adapter))); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INVALID_PARAMETER; + p_IRP->IoStatus.Information = 0; + } + else if ((p_IRP->AssociatedIrp.SystemBuffer = + MmGetSystemAddressForMdlSafe + (p_IRP->MdlAddress, NormalPagePriority)) == NULL) + { + DEBUGP (("[%s] Could not map address in IRP_MJ_WRITE\n", + NAME (l_Adapter))); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_INSUFFICIENT_RESOURCES; + p_IRP->IoStatus.Information = 0; + } + else if (!l_Adapter->m_InterfaceIsRunning) + { + DEBUGP (("[%s] Interface is down in IRP_MJ_WRITE\n", + NAME (l_Adapter))); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + p_IRP->IoStatus.Information = 0; + } +#if 0 + else if (!l_Adapter->m_tun && ((l_IrpSp->Parameters.Write.Length) >= ETHERNET_HEADER_SIZE)) + { + __try + { + p_IRP->IoStatus.Information = l_IrpSp->Parameters.Write.Length; + + DUMP_PACKET ("IRP_MJ_WRITE ETH", + (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, + l_IrpSp->Parameters.Write.Length); + + //===================================================== + // If IPv4 packet, check whether or not packet + // was truncated. + //===================================================== +#if PACKET_TRUNCATION_CHECK + IPv4PacketSizeVerify ((unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, + l_IrpSp->Parameters.Write.Length, + FALSE, + "RX", + &l_Adapter->m_RxTrunc); +#endif + + NdisMEthIndicateReceive + (l_Adapter->m_MiniportAdapterHandle, + (NDIS_HANDLE) l_Adapter, + (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, + ETHERNET_HEADER_SIZE, + (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer + ETHERNET_HEADER_SIZE, + l_IrpSp->Parameters.Write.Length - ETHERNET_HEADER_SIZE, + l_IrpSp->Parameters.Write.Length - ETHERNET_HEADER_SIZE); + + NdisMEthIndicateReceiveComplete (l_Adapter->m_MiniportAdapterHandle); + + p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + DEBUGP (("[%s] NdisMEthIndicateReceive failed in IRP_MJ_WRITE\n", + NAME (l_Adapter))); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + p_IRP->IoStatus.Information = 0; + } + } +#endif +#if 0 + else if (l_Adapter->m_tun && ((l_IrpSp->Parameters.Write.Length) >= IP_HEADER_SIZE)) + { + __try + { + ETH_HEADER * p_UserToTap = &l_Adapter->m_UserToTap; + + // for IPv6, need to use ethernet header with IPv6 proto + if ( IPH_GET_VER( ((IPHDR*) p_IRP->AssociatedIrp.SystemBuffer)->version_len) == 6 ) + { + p_UserToTap = &l_Adapter->m_UserToTap_IPv6; + } + + p_IRP->IoStatus.Information = l_IrpSp->Parameters.Write.Length; + + DUMP_PACKET2 ("IRP_MJ_WRITE P2P", + p_UserToTap, + (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, + l_IrpSp->Parameters.Write.Length); + + //===================================================== + // If IPv4 packet, check whether or not packet + // was truncated. + //===================================================== +#if PACKET_TRUNCATION_CHECK + IPv4PacketSizeVerify ((unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, + l_IrpSp->Parameters.Write.Length, + TRUE, + "RX", + &l_Adapter->m_RxTrunc); +#endif + + NdisMEthIndicateReceive + (l_Adapter->m_MiniportAdapterHandle, + (NDIS_HANDLE) l_Adapter, + (unsigned char *) p_UserToTap, + sizeof (ETH_HEADER), + (unsigned char *) p_IRP->AssociatedIrp.SystemBuffer, + l_IrpSp->Parameters.Write.Length, + l_IrpSp->Parameters.Write.Length); + + NdisMEthIndicateReceiveComplete (l_Adapter->m_MiniportAdapterHandle); + + p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + DEBUGP (("[%s] NdisMEthIndicateReceive failed in IRP_MJ_WRITE (P2P)\n", + NAME (l_Adapter))); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + p_IRP->IoStatus.Information = 0; + } + } +#endif + else + { + DEBUGP (("[%s] Bad buffer size in IRP_MJ_WRITE, len=%d\n", + NAME (l_Adapter), + l_IrpSp->Parameters.Write.Length)); + NOTE_ERROR (); + p_IRP->IoStatus.Information = 0; // ETHERNET_HEADER_SIZE; + p_IRP->IoStatus.Status = l_Status = STATUS_BUFFER_TOO_SMALL; + } + + if (l_Status == STATUS_SUCCESS) + INCREMENT_STAT (l_Adapter->m_Rx); + else + INCREMENT_STAT (l_Adapter->m_RxErr); + + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + break; + } + + //-------------------------------------------------------------- + // User mode thread has called CreateFile() on the tap device + //-------------------------------------------------------------- + case IRP_MJ_CREATE: + { + BOOLEAN succeeded = FALSE; + BOOLEAN mutex_succeeded; + + DEBUGP + (("[%s] [TAP] release [%d.%d] open request (m_TapOpens=%d)\n", + NAME (l_Adapter), TAP_DRIVER_MAJOR_VERSION, + TAP_DRIVER_MINOR_VERSION, l_Adapter->m_Extension.m_TapOpens)); + + ACQUIRE_MUTEX_ADAPTIVE (&l_Adapter->m_Extension.m_OpenCloseMutex, mutex_succeeded); + if (mutex_succeeded) + { + if (l_Adapter->m_Extension.m_TapIsRunning && !l_Adapter->m_Extension.m_TapOpens) + { + ResetTapAdapterState (l_Adapter); + l_Adapter->m_Extension.m_TapOpens = 1; + succeeded = TRUE; + } + + if (succeeded) + { + INCREMENT_STAT (l_Adapter->m_Extension.m_NumTapOpens); + p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; + p_IRP->IoStatus.Information = 0; + } + else + { + DEBUGP (("[%s] TAP is presently unavailable (m_TapOpens=%d)\n", + NAME (l_Adapter), l_Adapter->m_Extension.m_TapOpens)); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + p_IRP->IoStatus.Information = 0; + } + + RELEASE_MUTEX (&l_Adapter->m_Extension.m_OpenCloseMutex); + } + else + { + DEBUGP (("[%s] TAP is presently locked (m_TapOpens=%d)\n", + NAME (l_Adapter), l_Adapter->m_Extension.m_TapOpens)); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + p_IRP->IoStatus.Information = 0; + } + + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + break; + } + + //----------------------------------------------------------- + // User mode thread called CloseHandle() on the tap device + //----------------------------------------------------------- + case IRP_MJ_CLOSE: + { + BOOLEAN mutex_succeeded; + + DEBUGP (("[%s] [TAP] release [%d.%d] close/cleanup request\n", + NAME (l_Adapter), TAP_DRIVER_MAJOR_VERSION, + TAP_DRIVER_MINOR_VERSION)); + + ACQUIRE_MUTEX_ADAPTIVE (&l_Adapter->m_Extension.m_OpenCloseMutex, mutex_succeeded); + if (mutex_succeeded) + { + l_Adapter->m_Extension.m_TapOpens = 0; + ResetTapAdapterState (l_Adapter); + FlushQueues (&l_Adapter->m_Extension); + SetMediaStatus (l_Adapter, FALSE); + RELEASE_MUTEX (&l_Adapter->m_Extension.m_OpenCloseMutex); + } + else + { + DEBUGP (("[%s] TAP is presently locked (m_TapOpens=%d)\n", + NAME (l_Adapter), l_Adapter->m_Extension.m_TapOpens)); + NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + p_IRP->IoStatus.Information = 0; + } + + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + break; + } + + //------------------ + // Strange Request + //------------------ + default: + { + //NOTE_ERROR (); + p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + break; + } + } + + return l_Status; +} + +//============================================================= +// CompleteIRP is normally called with an adapter -> userspace +// network packet and an IRP (Pending I/O request) from userspace. +// +// The IRP will normally represent a queued overlapped read +// operation from userspace that is in a wait state. +// +// Use the ethernet packet to satisfy the IRP. +//============================================================= + +NTSTATUS +CompleteIRP (IN PIRP p_IRP, + IN TapPacketPointer p_PacketBuffer, + IN CCHAR PriorityBoost) +{ + NTSTATUS l_Status = STATUS_UNSUCCESSFUL; + + int offset; + int len; + + MYASSERT (p_IRP); + MYASSERT (p_PacketBuffer); + + IoSetCancelRoutine (p_IRP, NULL); // Disable cancel routine + + //------------------------------------------- + // While p_PacketBuffer always contains a + // full ethernet packet, including the + // ethernet header, in point-to-point mode, + // we only want to return the IPv4 + // component. + //------------------------------------------- + + if (p_PacketBuffer->m_SizeFlags & TP_TUN) + { + offset = ETHERNET_HEADER_SIZE; + len = (int) (p_PacketBuffer->m_SizeFlags & TP_SIZE_MASK) - ETHERNET_HEADER_SIZE; + } + else + { + offset = 0; + len = (p_PacketBuffer->m_SizeFlags & TP_SIZE_MASK); + } + + if (len < 0 || (int) p_IRP->IoStatus.Information < len) + { + p_IRP->IoStatus.Information = 0; + p_IRP->IoStatus.Status = STATUS_BUFFER_OVERFLOW; + NOTE_ERROR (); + } + else + { + p_IRP->IoStatus.Information = len; + p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS; + + __try + { + NdisMoveMemory (p_IRP->AssociatedIrp.SystemBuffer, + p_PacketBuffer->m_Data + offset, + len); + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + NOTE_ERROR (); + p_IRP->IoStatus.Status = STATUS_UNSUCCESSFUL; + p_IRP->IoStatus.Information = 0; + } + } + + __try + { + NdisFreeMemory (p_PacketBuffer, + TAP_PACKET_SIZE (p_PacketBuffer->m_SizeFlags & TP_SIZE_MASK), + 0); + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + } + + if (l_Status == STATUS_SUCCESS) + { + IoCompleteRequest (p_IRP, PriorityBoost); + } + else + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); + + return l_Status; +} + +//============================================== +// IRPs get cancelled for a number of reasons. +// +// The TAP device could be closed by userspace +// when there are still pending read operations. +// +// The user could disable the TAP adapter in the +// network connections control panel, while the +// device is still open by a process. +//============================================== +VOID +CancelIRPCallback (IN PDEVICE_OBJECT p_DeviceObject, + IN PIRP p_IRP) +{ + TapAdapterPointer l_Adapter = LookupAdapterInInstanceList (p_DeviceObject); + CancelIRP (l_Adapter ? &l_Adapter->m_Extension : NULL, p_IRP, TRUE); +} + +VOID +CancelIRP (TapExtensionPointer p_Extension, + IN PIRP p_IRP, + BOOLEAN callback) +{ + BOOLEAN exists = FALSE; + + MYASSERT (p_IRP); + + if (p_Extension) + { + NdisAcquireSpinLock (&p_Extension->m_QueueLock); + exists = (QueueExtract (p_Extension->m_IrpQueue, p_IRP) == p_IRP); + NdisReleaseSpinLock (&p_Extension->m_QueueLock); + } + else + exists = TRUE; + + if (exists) + { + IoSetCancelRoutine (p_IRP, NULL); + p_IRP->IoStatus.Status = STATUS_CANCELLED; + p_IRP->IoStatus.Information = 0; + } + + if (callback) + IoReleaseCancelSpinLock (p_IRP->CancelIrql); + + if (exists) + IoCompleteRequest (p_IRP, IO_NO_INCREMENT); +} + +//=========================================== +// Exhaust packet, IRP, and injection queues. +//=========================================== +VOID +FlushQueues (TapExtensionPointer p_Extension) +{ + PIRP l_IRP; + TapPacketPointer l_PacketBuffer; + InjectPacketPointer l_InjectBuffer; + int n_IRP=0, n_Packet=0, n_Inject=0; + + MYASSERT (p_Extension); + MYASSERT (p_Extension->m_TapDevice); + + while (TRUE) + { + NdisAcquireSpinLock (&p_Extension->m_QueueLock); + l_IRP = QueuePop (p_Extension->m_IrpQueue); + NdisReleaseSpinLock (&p_Extension->m_QueueLock); + if (l_IRP) + { + ++n_IRP; + CancelIRP (NULL, l_IRP, FALSE); + } + else + break; + } + + while (TRUE) + { + NdisAcquireSpinLock (&p_Extension->m_QueueLock); + l_PacketBuffer = QueuePop (p_Extension->m_PacketQueue); + NdisReleaseSpinLock (&p_Extension->m_QueueLock); + if (l_PacketBuffer) + { + ++n_Packet; + MemFree (l_PacketBuffer, TAP_PACKET_SIZE (l_PacketBuffer->m_SizeFlags & TP_SIZE_MASK)); + } + else + break; + } + + while (TRUE) + { + NdisAcquireSpinLock (&p_Extension->m_InjectLock); + l_InjectBuffer = QueuePop (p_Extension->m_InjectQueue); + NdisReleaseSpinLock (&p_Extension->m_InjectLock); + if (l_InjectBuffer) + { + ++n_Inject; + INJECT_PACKET_FREE(l_InjectBuffer); + } + else + break; + } + + DEBUGP (( + "[%s] [TAP] FlushQueues n_IRP=[%d,%d,%d] n_Packet=[%d,%d,%d] n_Inject=[%d,%d,%d]\n", + p_Extension->m_TapName, + n_IRP, + p_Extension->m_IrpQueue->max_size, + IRP_QUEUE_SIZE, + n_Packet, + p_Extension->m_PacketQueue->max_size, + PACKET_QUEUE_SIZE, + n_Inject, + p_Extension->m_InjectQueue->max_size, + INJECT_QUEUE_SIZE + )); +} + +//=================================================== +// Tell Windows whether the TAP device should be +// considered "connected" or "disconnected". +//=================================================== +VOID +SetMediaStatus (TapAdapterPointer p_Adapter, BOOLEAN state) +{ + if (p_Adapter->m_MediaState != state && !p_Adapter->m_MediaStateAlwaysConnected) + { + if (state) + NdisMIndicateStatus (p_Adapter->m_MiniportAdapterHandle, + NDIS_STATUS_MEDIA_CONNECT, NULL, 0); + else + NdisMIndicateStatus (p_Adapter->m_MiniportAdapterHandle, + NDIS_STATUS_MEDIA_DISCONNECT, NULL, 0); + + NdisMIndicateStatusComplete (p_Adapter->m_MiniportAdapterHandle); + p_Adapter->m_MediaState = state; + } +} + + +//====================================================== +// If DHCP mode is used together with tun +// mode, consider the fact that the P2P remote subnet +// might enclose the DHCP masq server address. +//====================================================== +VOID +CheckIfDhcpAndTunMode (TapAdapterPointer p_Adapter) +{ +#if 0 + if (p_Adapter->m_tun && p_Adapter->m_dhcp_enabled) + { + if ((p_Adapter->m_dhcp_server_ip & p_Adapter->m_remoteNetmask) == p_Adapter->m_remoteNetwork) + { + COPY_MAC (p_Adapter->m_dhcp_server_mac, p_Adapter->m_TapToUser.dest); + p_Adapter->m_dhcp_server_arp = FALSE; + } + } +#endif +} + +#if 0 +//=================================================== +// Generate an ARP reply message for specific kinds +// ARP queries. +//=================================================== +BOOLEAN +ProcessARP (TapAdapterPointer p_Adapter, + const PARP_PACKET src, + const IPADDR adapter_ip, + const IPADDR ip_network, + const IPADDR ip_netmask, + const MACADDR mac) +{ + //----------------------------------------------- + // Is this the kind of packet we are looking for? + //----------------------------------------------- + if (src->m_Proto == htons (ETH_P_ARP) + && MAC_EQUAL (src->m_MAC_Source, p_Adapter->m_MAC) + && MAC_EQUAL (src->m_ARP_MAC_Source, p_Adapter->m_MAC) + && MAC_EQUAL (src->m_MAC_Destination, p_Adapter->m_MAC_Broadcast) + && src->m_ARP_Operation == htons (ARP_REQUEST) + && src->m_MAC_AddressType == htons (MAC_ADDR_TYPE) + && src->m_MAC_AddressSize == sizeof (MACADDR) + && src->m_PROTO_AddressType == htons (ETH_P_IP) + && src->m_PROTO_AddressSize == sizeof (IPADDR) + && src->m_ARP_IP_Source == adapter_ip + && (src->m_ARP_IP_Destination & ip_netmask) == ip_network + && src->m_ARP_IP_Destination != adapter_ip) + { + ARP_PACKET *arp = (ARP_PACKET *) MemAlloc (sizeof (ARP_PACKET), TRUE); + if (arp) + { + //---------------------------------------------- + // Initialize ARP reply fields + //---------------------------------------------- + arp->m_Proto = htons (ETH_P_ARP); + arp->m_MAC_AddressType = htons (MAC_ADDR_TYPE); + arp->m_PROTO_AddressType = htons (ETH_P_IP); + arp->m_MAC_AddressSize = sizeof (MACADDR); + arp->m_PROTO_AddressSize = sizeof (IPADDR); + arp->m_ARP_Operation = htons (ARP_REPLY); + + //---------------------------------------------- + // ARP addresses + //---------------------------------------------- + COPY_MAC (arp->m_MAC_Source, mac); + COPY_MAC (arp->m_MAC_Destination, p_Adapter->m_MAC); + COPY_MAC (arp->m_ARP_MAC_Source, mac); + COPY_MAC (arp->m_ARP_MAC_Destination, p_Adapter->m_MAC); + arp->m_ARP_IP_Source = src->m_ARP_IP_Destination; + arp->m_ARP_IP_Destination = adapter_ip; + + DUMP_PACKET ("ProcessARP", + (unsigned char *) arp, + sizeof (ARP_PACKET)); + + InjectPacketDeferred (p_Adapter, (UCHAR *) arp, sizeof (ARP_PACKET)); + + MemFree (arp, sizeof (ARP_PACKET)); + } + + return TRUE; + } + else + return FALSE; +} +#endif + +//=============================================================== +// Used in cases where internally generated packets such as +// ARP or DHCP replies must be returned to the kernel, to be +// seen as an incoming packet "arriving" on the interface. +//=============================================================== + +// Defer packet injection till IRQL < DISPATCH_LEVEL +VOID +InjectPacketDeferred (TapAdapterPointer p_Adapter, + UCHAR *packet, + const unsigned int len) +{ + InjectPacketPointer l_InjectBuffer; + PVOID result; + + if (NdisAllocateMemoryWithTag (&l_InjectBuffer, + INJECT_PACKET_SIZE (len), + 'IPAT') == NDIS_STATUS_SUCCESS) + { + l_InjectBuffer->m_Size = len; + NdisMoveMemory (l_InjectBuffer->m_Data, packet, len); + NdisAcquireSpinLock (&p_Adapter->m_Extension.m_InjectLock); + result = QueuePush (p_Adapter->m_Extension.m_InjectQueue, l_InjectBuffer); + NdisReleaseSpinLock (&p_Adapter->m_Extension.m_InjectLock); + if (result) + KeInsertQueueDpc (&p_Adapter->m_Extension.m_InjectDpc, p_Adapter, NULL); + else + INJECT_PACKET_FREE(l_InjectBuffer); + } +} + +// Handle the injection of previously deferred packets +VOID +InjectPacketDpc(KDPC *Dpc, + PVOID DeferredContext, + PVOID SystemArgument1, + PVOID SystemArgument2) +{ + InjectPacketPointer l_InjectBuffer; + TapAdapterPointer l_Adapter = (TapAdapterPointer)SystemArgument1; + while (TRUE) + { + NdisAcquireSpinLock (&l_Adapter->m_Extension.m_InjectLock); + l_InjectBuffer = QueuePop (l_Adapter->m_Extension.m_InjectQueue); + NdisReleaseSpinLock (&l_Adapter->m_Extension.m_InjectLock); + if (l_InjectBuffer) + { + InjectPacketNow(l_Adapter, l_InjectBuffer->m_Data, l_InjectBuffer->m_Size); + INJECT_PACKET_FREE(l_InjectBuffer); + } + else + break; + } +} + +// Do packet injection now +VOID +InjectPacketNow (TapAdapterPointer p_Adapter, + UCHAR *packet, + const unsigned int len) +{ + MYASSERT (len >= ETHERNET_HEADER_SIZE); + + __try + { + //------------------------------------------------------------ + // NdisMEthIndicateReceive and NdisMEthIndicateReceiveComplete + // could potentially be called reentrantly both here and in + // TapDeviceHook/IRP_MJ_WRITE. + // + // The DDK docs imply that this is okay. + // + // Note that reentrant behavior could only occur if the + // non-deferred version of InjectPacket is used. + //------------------------------------------------------------ + NdisMEthIndicateReceive + (p_Adapter->m_MiniportAdapterHandle, + (NDIS_HANDLE) p_Adapter, + packet, + ETHERNET_HEADER_SIZE, + packet + ETHERNET_HEADER_SIZE, + len - ETHERNET_HEADER_SIZE, + len - ETHERNET_HEADER_SIZE); + + NdisMEthIndicateReceiveComplete (p_Adapter->m_MiniportAdapterHandle); + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + DEBUGP (("[%s] NdisMEthIndicateReceive failed in InjectPacketNow\n", + NAME (p_Adapter))); + NOTE_ERROR (); + } +} + +//=================================================================== +// Go back to default TAP mode from Point-To-Point mode. +// Also reset (i.e. disable) DHCP Masq mode. +//=================================================================== +VOID ResetTapAdapterState (TapAdapterPointer p_Adapter) +{ +#if 0 + // Point-To-Point + p_Adapter->m_tun = FALSE; + p_Adapter->m_localIP = 0; + p_Adapter->m_remoteNetwork = 0; + p_Adapter->m_remoteNetmask = 0; + NdisZeroMemory (&p_Adapter->m_TapToUser, sizeof (p_Adapter->m_TapToUser)); + NdisZeroMemory (&p_Adapter->m_UserToTap, sizeof (p_Adapter->m_UserToTap)); + NdisZeroMemory (&p_Adapter->m_UserToTap_IPv6, sizeof (p_Adapter->m_UserToTap_IPv6)); + + // DHCP Masq + p_Adapter->m_dhcp_enabled = FALSE; + p_Adapter->m_dhcp_server_arp = FALSE; + p_Adapter->m_dhcp_user_supplied_options_buffer_len = 0; + p_Adapter->m_dhcp_addr = 0; + p_Adapter->m_dhcp_netmask = 0; + p_Adapter->m_dhcp_server_ip = 0; + p_Adapter->m_dhcp_lease_time = 0; + p_Adapter->m_dhcp_received_discover = FALSE; + p_Adapter->m_dhcp_bad_requests = 0; + NdisZeroMemory (p_Adapter->m_dhcp_server_mac, sizeof (MACADDR)); +#endif +} + +#if ENABLE_NONADMIN + +//=================================================================== +// Set TAP device handle to be accessible without admin privileges. +//=================================================================== +VOID AllowNonAdmin (TapExtensionPointer p_Extension) +{ + NTSTATUS stat; + SECURITY_DESCRIPTOR sd; + OBJECT_ATTRIBUTES oa; + IO_STATUS_BLOCK isb; + HANDLE hand = NULL; + + NdisZeroMemory (&sd, sizeof (sd)); + NdisZeroMemory (&oa, sizeof (oa)); + NdisZeroMemory (&isb, sizeof (isb)); + + if (!p_Extension->m_CreatedUnicodeLinkName) + { + DEBUGP (("[TAP] AllowNonAdmin: UnicodeLinkName is uninitialized\n")); + NOTE_ERROR (); + return; + } + + stat = RtlCreateSecurityDescriptor (&sd, SECURITY_DESCRIPTOR_REVISION); + if (stat != STATUS_SUCCESS) + { + DEBUGP (("[TAP] AllowNonAdmin: RtlCreateSecurityDescriptor failed\n")); + NOTE_ERROR (); + return; + } + + InitializeObjectAttributes ( + &oa, + &p_Extension->m_UnicodeLinkName, + OBJ_KERNEL_HANDLE, + NULL, + NULL + ); + + stat = ZwOpenFile ( + &hand, + WRITE_DAC, + &oa, + &isb, + 0, + 0 + ); + if (stat != STATUS_SUCCESS) + { + DEBUGP (("[TAP] AllowNonAdmin: ZwOpenFile failed, status=0x%08x\n", (unsigned int)stat)); + NOTE_ERROR (); + return; + } + + stat = ZwSetSecurityObject (hand, DACL_SECURITY_INFORMATION, &sd); + if (stat != STATUS_SUCCESS) + { + DEBUGP (("[TAP] AllowNonAdmin: ZwSetSecurityObject failed\n")); + NOTE_ERROR (); + return; + } + + stat = ZwClose (hand); + if (stat != STATUS_SUCCESS) + { + DEBUGP (("[TAP] AllowNonAdmin: ZwClose failed\n")); + NOTE_ERROR (); + return; + } + + DEBUGP (("[TAP] AllowNonAdmin: SUCCEEDED\n")); +} + +#endif + +#if PACKET_TRUNCATION_CHECK + +VOID +IPv4PacketSizeVerify (const UCHAR *data, ULONG length, BOOLEAN tun, const char *prefix, LONG *counter) +{ + const IPHDR *ip; + int len = length; + + if (tun) + { + ip = (IPHDR *) data; + } + else + { + if (length >= sizeof (ETH_HEADER)) + { + const ETH_HEADER *eth = (ETH_HEADER *) data; + + if (eth->proto != htons (ETH_P_IP)) + return; + + ip = (IPHDR *) (data + sizeof (ETH_HEADER)); + len -= sizeof (ETH_HEADER); + } + else + return; + } + + if (len >= sizeof (IPHDR)) + { + const int totlen = ntohs (ip->tot_len); + + DEBUGP (("[TAP] IPv4PacketSizeVerify %s len=%d totlen=%d\n", prefix, len, totlen)); + + if (len != totlen) + ++(*counter); + } +} + +#endif + +//====================================================================== +// End of Source +//====================================================================== diff --git a/windows/TapDriver/testcert.pfx b/windows/TapDriver/testcert.pfx new file mode 100644 index 00000000..74f6b471 Binary files /dev/null and b/windows/TapDriver/testcert.pfx differ diff --git a/windows/TapDriver/types.h b/windows/TapDriver/types.h new file mode 100644 index 00000000..4867a3e4 --- /dev/null +++ b/windows/TapDriver/types.h @@ -0,0 +1,182 @@ +/* + * TAP-Windows -- A kernel driver to provide virtual tap + * device functionality on Windows. + * + * This code was inspired by the CIPE-Win32 driver by Damion K. Wilson. + * + * This source code is Copyright (C) 2002-2010 OpenVPN Technologies, Inc., + * and is released under the GPL version 2 (see below). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef TAP_TYPES_DEFINED +#define TAP_TYPES_DEFINED + +typedef struct _Queue +{ + ULONG base; + ULONG size; + ULONG capacity; + ULONG max_size; + PVOID data[]; +} Queue; + +typedef struct _TapAdapter; +typedef struct _TapPacket; + +typedef union _TapAdapterQuery +{ + NDIS_HARDWARE_STATUS m_HardwareStatus; + NDIS_MEDIUM m_Medium; + NDIS_PHYSICAL_MEDIUM m_PhysicalMedium; + UCHAR m_MacAddress [6]; + UCHAR m_Buffer [256]; + ULONG m_Long; + USHORT m_Short; + UCHAR m_Byte; +} +TapAdapterQuery, *TapAdapterQueryPointer; + +typedef struct _TapExtension +{ + // TAP device object and packet queues + Queue *m_PacketQueue, *m_IrpQueue; + PDEVICE_OBJECT m_TapDevice; + NDIS_HANDLE m_TapDeviceHandle; + ULONG m_TapOpens; + + // Used to lock packet queues + NDIS_SPIN_LOCK m_QueueLock; + BOOLEAN m_AllocatedSpinlocks; + + // Used to bracket open/close + // state changes. + MUTEX m_OpenCloseMutex; + + // True if device has been permanently halted + BOOLEAN m_Halt; + + // TAP device name + unsigned char *m_TapName; + UNICODE_STRING m_UnicodeLinkName; + BOOLEAN m_CreatedUnicodeLinkName; + + // Used for device status ioctl only + const char *m_LastErrorFilename; + int m_LastErrorLineNumber; + LONG m_NumTapOpens; + + // Flags + BOOLEAN m_TapIsRunning; + BOOLEAN m_CalledTapDeviceFreeResources; + + // DPC queue for deferred packet injection + BOOLEAN m_InjectDpcInitialized; + KDPC m_InjectDpc; + NDIS_SPIN_LOCK m_InjectLock; + Queue *m_InjectQueue; +} +TapExtension, *TapExtensionPointer; + +typedef struct _TapPacket + { +# define TAP_PACKET_SIZE(data_size) (sizeof (TapPacket) + (data_size)) +# define TP_TUN 0x80000000 +# define TP_SIZE_MASK (~TP_TUN) + ULONG m_SizeFlags; + UCHAR m_Data []; // m_Data must be the last struct member + } +TapPacket, *TapPacketPointer; + +typedef struct _InjectPacket + { +# define INJECT_PACKET_SIZE(data_size) (sizeof (InjectPacket) + (data_size)) +# define INJECT_PACKET_FREE(ib) NdisFreeMemory ((ib), INJECT_PACKET_SIZE ((ib)->m_Size), 0) + ULONG m_Size; + UCHAR m_Data []; // m_Data must be the last struct member + } +InjectPacket, *InjectPacketPointer; + +typedef struct _TapAdapter +{ +# define NAME(a) ((a)->m_NameAnsi.Buffer) + ANSI_STRING m_NameAnsi; + MACADDR m_MAC; + BOOLEAN m_InterfaceIsRunning; + NDIS_HANDLE m_MiniportAdapterHandle; + LONG m_Rx, m_Tx, m_RxErr, m_TxErr; +#if PACKET_TRUNCATION_CHECK + LONG m_RxTrunc, m_TxTrunc; +#endif + NDIS_MEDIUM m_Medium; + ULONG m_Lookahead; + ULONG m_MTU; + + // TRUE if adapter should always be + // "connected" even when device node + // is not open by a userspace process. + BOOLEAN m_MediaStateAlwaysConnected; + + // TRUE if device is "connected" + BOOLEAN m_MediaState; + + // Adapter power state + char m_DeviceState; + +#if 0 + // Info for point-to-point mode + BOOLEAN m_tun; + IPADDR m_localIP; + IPADDR m_remoteNetwork; + IPADDR m_remoteNetmask; + ETH_HEADER m_TapToUser; + ETH_HEADER m_UserToTap; + ETH_HEADER m_UserToTap_IPv6; // same as UserToTap but proto=ipv6 + MACADDR m_MAC_Broadcast; +#endif + +#if 0 + // Used for DHCP server masquerade + BOOLEAN m_dhcp_enabled; + IPADDR m_dhcp_addr; + ULONG m_dhcp_netmask; + IPADDR m_dhcp_server_ip; + BOOLEAN m_dhcp_server_arp; + MACADDR m_dhcp_server_mac; + ULONG m_dhcp_lease_time; + UCHAR m_dhcp_user_supplied_options_buffer[DHCP_USER_SUPPLIED_OPTIONS_BUFFER_SIZE]; + ULONG m_dhcp_user_supplied_options_buffer_len; + BOOLEAN m_dhcp_received_discover; + ULONG m_dhcp_bad_requests; +#endif + + // Help to tear down the adapter by keeping + // some state information on allocated + // resources. + BOOLEAN m_CalledAdapterFreeResources; + BOOLEAN m_RegisteredAdapterShutdownHandler; + + // Multicast list info + NDIS_SPIN_LOCK m_MCLock; + BOOLEAN m_MCLockAllocated; + ULONG m_MCListSize; + MC_LIST m_MCList; + + // Information on the TAP device + TapExtension m_Extension; +} TapAdapter, *TapAdapterPointer; + +#endif diff --git a/windows/TapDriver/ztTap100.inf b/windows/TapDriver/ztTap100.inf new file mode 100644 index 00000000..cf31e9ff --- /dev/null +++ b/windows/TapDriver/ztTap100.inf @@ -0,0 +1,84 @@ +[Version] +Signature="$WINDOWS NT$" +Class=Net +ClassGuid={4d36e972-e325-11ce-bfc1-08002be10318} +Provider=%Provider% +CatalogFile=ztTap100.cat + + +[Strings] +DeviceDescription = "ZeroTier One Ethernet Tap" +Provider = "ZeroTier Networks" + +[Manufacturer] +%Provider%=ztTap100,NTamd64 + +[ztTap100] +%DeviceDescription%=ztTap100.ndi,ztTap100 + +[ztTap100.NTamd64] +%DeviceDescription%=ztTap100.ndi,ztTap100 + +[ztTap100.ndi] +CopyFiles = ztTap100.driver,ztTap100.files +AddReg = ztTap100.reg +AddReg = ztTap100.params.reg +Characteristics = 0x81 + +[ztTap100.ndi.Services] +AddService = ztTap100, 2, ztTap100.service + +[ztTap100.reg] +HKR, Ndi, Service, 0, "ztTap100" +HKR, Ndi\Interfaces, UpperRange, 0, "ndis5" +HKR, Ndi\Interfaces, LowerRange, 0, "ethernet" +HKR, , Manufacturer, 0, "%Provider%" +HKR, , ProductName, 0, "%DeviceDescription%" + +[ztTap100.params.reg] +HKR, Ndi\params\MTU, ParamDesc, 0, "MTU" +HKR, Ndi\params\MTU, Type, 0, "int" +HKR, Ndi\params\MTU, Default, 0, "2800" +HKR, Ndi\params\MTU, Optional, 0, "0" +HKR, Ndi\params\MTU, Min, 0, "100" +HKR, Ndi\params\MTU, Max, 0, "2800" +HKR, Ndi\params\MTU, Step, 0, "1" +HKR, Ndi\params\MediaStatus, ParamDesc, 0, "Media Status" +HKR, Ndi\params\MediaStatus, Type, 0, "enum" +HKR, Ndi\params\MediaStatus, Default, 0, "0" +HKR, Ndi\params\MediaStatus, Optional, 0, "0" +HKR, Ndi\params\MediaStatus\enum, "0", 0, "Application Controlled" +HKR, Ndi\params\MediaStatus\enum, "1", 0, "Always Connected" +HKR, Ndi\params\MAC, ParamDesc, 0, "MAC Address" +HKR, Ndi\params\MAC, Type, 0, "edit" +HKR, Ndi\params\MAC, Optional, 0, "1" +HKR, Ndi\params\AllowNonAdmin, ParamDesc, 0, "Non-Admin Access" +HKR, Ndi\params\AllowNonAdmin, Type, 0, "enum" +HKR, Ndi\params\AllowNonAdmin, Default, 0, "0" +HKR, Ndi\params\AllowNonAdmin, Optional, 0, "0" +HKR, Ndi\params\AllowNonAdmin\enum, "0", 0, "Not Allowed" +HKR, Ndi\params\AllowNonAdmin\enum, "1", 0, "Allowed" + +[ztTap100.service] +DisplayName = %DeviceDescription% +ServiceType = 1 +StartType = 3 +ErrorControl = 1 +LoadOrderGroup = NDIS +ServiceBinary = %12%\ztTap100.sys + +[SourceDisksNames] +1 = %DeviceDescription%, ztTap100.sys + +[SourceDisksFiles] +ztTap100.sys = 1 + +[DestinationDirs] +ztTap100.files = 11 +ztTap100.driver = 12 + +[ztTap100.files] +; + +[ztTap100.driver] +ztTap100.sys,,,6 ; COPYFLG_NOSKIP | COPYFLG_NOVERSIONCHECK diff --git a/windows/ZeroTierOne.sln b/windows/ZeroTierOne.sln new file mode 100644 index 00000000..80c9c9d3 --- /dev/null +++ b/windows/ZeroTierOne.sln @@ -0,0 +1,390 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio 2012 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SelfTest", "SelfTest\SelfTest.vcxproj", "{DCD73B97-0F44-4044-8BA4-95B59CCAB4BD}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "TapDriver", "TapDriver\TapDriver.vcxproj", "{689210B1-467C-4850-BB7D-2E10D5B4A3DA}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "TapDriver Package", "TapDriver Package\TapDriver Package.vcxproj", "{FDA1DD8D-1D56-4BC1-B402-FCC0B550D946}" + ProjectSection(ProjectDependencies) = postProject + {689210B1-467C-4850-BB7D-2E10D5B4A3DA} = {689210B1-467C-4850-BB7D-2E10D5B4A3DA} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ZeroTierOne", "ZeroTierOne\ZeroTierOne.vcxproj", "{B00A4957-5977-4AC1-9EF4-571DC27EADA2}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Debug|Mixed Platforms = Debug|Mixed Platforms + Debug|Win32 = Debug|Win32 + Debug|x64 = Debug|x64 + Release|Any CPU = Release|Any CPU + Release|Mixed Platforms = Release|Mixed Platforms + Release|Win32 = Release|Win32 + Release|x64 = Release|x64 + Vista Debug|Any CPU = Vista Debug|Any CPU + Vista Debug|Mixed Platforms = Vista Debug|Mixed Platforms + Vista Debug|Win32 = Vista Debug|Win32 + Vista Debug|x64 = Vista Debug|x64 + Vista Release|Any CPU = Vista Release|Any CPU + Vista Release|Mixed Platforms = Vista Release|Mixed Platforms + Vista Release|Win32 = Vista Release|Win32 + Vista Release|x64 = Vista Release|x64 + Win7 Debug|Any CPU = Win7 Debug|Any CPU + Win7 Debug|Mixed Platforms = Win7 Debug|Mixed Platforms + Win7 Debug|Win32 = Win7 Debug|Win32 + Win7 Debug|x64 = Win7 Debug|x64 + Win7 Release|Any CPU = Win7 Release|Any CPU + Win7 Release|Mixed Platforms = Win7 Release|Mixed Platforms + Win7 Release|Win32 = Win7 Release|Win32 + Win7 Release|x64 = Win7 Release|x64 + Win8 Debug|Any CPU = Win8 Debug|Any CPU + Win8 Debug|Mixed Platforms = Win8 Debug|Mixed Platforms + Win8 Debug|Win32 = Win8 Debug|Win32 + Win8 Debug|x64 = Win8 Debug|x64 + Win8 Release|Any CPU = Win8 Release|Any CPU + Win8 Release|Mixed Platforms = Win8 Release|Mixed Platforms + Win8 Release|Win32 = Win8 Release|Win32 + Win8 Release|x64 = Win8 Release|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {DCD73B97-0F44-4044-8BA4-95B59CCAB4BD}.Debug|Any CPU.ActiveCfg = Debug|Win32 + {DCD73B97-0F44-4044-8BA4-95B59CCAB4BD}.Debug|Mixed Platforms.ActiveCfg = Debug|Win32 + {DCD73B97-0F44-4044-8BA4-95B59CCAB4BD}.Debug|Win32.ActiveCfg = Release|Win32 + {DCD73B97-0F44-4044-8BA4-95B59CCAB4BD}.Debug|Win32.Build.0 = Release|Win32 + {DCD73B97-0F44-4044-8BA4-95B59CCAB4BD}.Debug|x64.ActiveCfg = Debug|Win32 + {DCD73B97-0F44-4044-8BA4-95B59CCAB4BD}.Release|Any CPU.ActiveCfg = Release|Win32 + {DCD73B97-0F44-4044-8BA4-95B59CCAB4BD}.Release|Mixed Platforms.ActiveCfg = Release|Win32 + {DCD73B97-0F44-4044-8BA4-95B59CCAB4BD}.Release|Win32.ActiveCfg = Release|Win32 + 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= FALSE + EndGlobalSection +EndGlobal diff --git a/windows/ZeroTierOne/ZeroTierOne.vcxproj b/windows/ZeroTierOne/ZeroTierOne.vcxproj new file mode 100644 index 00000000..2d01154d --- /dev/null +++ b/windows/ZeroTierOne/ZeroTierOne.vcxproj @@ -0,0 +1,228 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {B00A4957-5977-4AC1-9EF4-571DC27EADA2} + ZeroTierOne + + + + Application + true + v110 + MultiByte + + + Application + true + v110 + MultiByte + + + Application + false + v110 + true + MultiByte + + + Application + false + v110 + true + MultiByte + + + + + + + + + + + + + + + + + + + .exe + $(SolutionDir)\Build\$(Platform)\$(Configuration)\ + zerotier-one-x86 + + + .exe + $(SolutionDir)\Build\$(Platform)\$(Configuration)\ + zerotier-one-x86 + + + .exe + $(SolutionDir)\Build\$(Platform)\$(Configuration)\ + zerotier-one-x64 + + + .exe + $(SolutionDir)\Build\$(Platform)\$(Configuration)\ + zerotier-one-x64 + + + + Level3 + Disabled + true + $(SolutionDir)\ext\bin\libcrypto\include + ZT_LOG_STDOUT;ZT_TRACE;%(PreprocessorDefinitions) + + + true + wsock32.lib;ws2_32.lib;iphlpapi.lib;rpcrt4.lib;$(SolutionDir)\ext\bin\libcrypto\win32-vs2012\libeay32.lib;%(AdditionalDependencies) + false + + + + + Level3 + Disabled + true + $(SolutionDir)\ext\bin\libcrypto\include + ZT_LOG_STDOUT;ZT_TRACE;%(PreprocessorDefinitions) + + + true + wsock32.lib;ws2_32.lib;iphlpapi.lib;rpcrt4.lib;$(SolutionDir)\ext\bin\libcrypto\win64-vs2012\libeay32.lib;%(AdditionalDependencies) + false + + + + + Level3 + MaxSpeed + true + true + true + $(SolutionDir)\ext\bin\libcrypto\include + ZT_LOG_STDOUT;ZT_TRACE;%(PreprocessorDefinitions) + + + true + true + true + wsock32.lib;ws2_32.lib;iphlpapi.lib;rpcrt4.lib;$(SolutionDir)\ext\bin\libcrypto\win32-vs2012\libeay32.lib;%(AdditionalDependencies) + false + + + + + Level3 + MaxSpeed + true + true + true + $(SolutionDir)\ext\bin\libcrypto\include + ZT_LOG_STDOUT;ZT_TRACE;%(PreprocessorDefinitions) + + + true + true + true + wsock32.lib;ws2_32.lib;iphlpapi.lib;rpcrt4.lib;$(SolutionDir)\ext\bin\libcrypto\win64-vs2012\libeay32.lib;%(AdditionalDependencies) + false + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/windows/ZeroTierOne/ZeroTierOne.vcxproj.filters b/windows/ZeroTierOne/ZeroTierOne.vcxproj.filters new file mode 100644 index 00000000..67e668e1 --- /dev/null +++ b/windows/ZeroTierOne/ZeroTierOne.vcxproj.filters @@ -0,0 +1,228 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + \ No newline at end of file -- cgit v1.2.3 From c979a695c5c58a62c7e3e08128860634b2fc421f Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Wed, 20 Nov 2013 16:16:30 -0500 Subject: UI work, add name to listnetworks output in control bus interface. --- ZeroTierUI/aboutwindow.h | 2 +- ZeroTierUI/mainwindow.cpp | 21 ++++++++++--- ZeroTierUI/mainwindow.h | 3 +- ZeroTierUI/mainwindow.ui | 8 +---- ZeroTierUI/network.cpp | 79 +++++++++++++++++++++++++++++++++++++++++++++-- ZeroTierUI/network.h | 16 ++++++++-- ZeroTierUI/network.ui | 65 +++++++++++++++++++++++++++++++++++--- node/Node.hpp | 4 +++ node/NodeConfig.cpp | 5 +-- 9 files changed, 178 insertions(+), 25 deletions(-) (limited to 'ZeroTierUI/network.cpp') diff --git a/ZeroTierUI/aboutwindow.h b/ZeroTierUI/aboutwindow.h index 41adc64d..6c883b9b 100644 --- a/ZeroTierUI/aboutwindow.h +++ b/ZeroTierUI/aboutwindow.h @@ -13,7 +13,7 @@ class AboutWindow : public QDialog public: explicit AboutWindow(QWidget *parent = 0); - ~AboutWindow(); + virtual ~AboutWindow(); private slots: void on_uninstallButton_clicked(); diff --git a/ZeroTierUI/mainwindow.cpp b/ZeroTierUI/mainwindow.cpp index 04a7919d..c618243a 100644 --- a/ZeroTierUI/mainwindow.cpp +++ b/ZeroTierUI/mainwindow.cpp @@ -127,6 +127,11 @@ void MainWindow::customEvent(QEvent *event) if (hdr.size() >= 5) this->myVersion = hdr[4].c_str(); } else if (hdr[1] == "listnetworks") { + const QObjectList &existingNetworks = ui->networksScrollAreaContentWidget->children(); + + for(unsigned long i=1;iztMessage.size();++i) { + std::vector l(ZeroTier::Node::LocalClient::splitLine(m->ztMessage[i])); + } } else if (hdr[1] == "listpeers") { this->numPeers = 0; for(unsigned long i=1;iztMessage.size();++i) { @@ -151,6 +156,18 @@ void MainWindow::customEvent(QEvent *event) void MainWindow::on_joinNetworkButton_clicked() { + QString toJoin(ui->networkIdLineEdit->text()); + ui->networkIdLineEdit->setText(QString()); + + if (!zeroTierClient) // sanity check + return; + + if (toJoin.size() != 16) { + QMessageBox::information(this,"Invalid Network ID","The network ID you entered was not valid. Enter a 16-digit hexadecimal network ID, like '8056c2e21c000001'.",QMessageBox::Ok,QMessageBox::NoButton); + return; + } + + zeroTierClient->send((QString("join ") + toJoin).toStdString()); } void MainWindow::on_actionAbout_triggered() @@ -165,10 +182,6 @@ void MainWindow::on_actionJoin_Network_triggered() on_joinNetworkButton_clicked(); } -void MainWindow::on_actionShow_Detailed_Status_triggered() -{ -} - void MainWindow::on_networkIdLineEdit_textChanged(const QString &text) { QString newText; diff --git a/ZeroTierUI/mainwindow.h b/ZeroTierUI/mainwindow.h index 39c4318a..ed11ff44 100644 --- a/ZeroTierUI/mainwindow.h +++ b/ZeroTierUI/mainwindow.h @@ -21,6 +21,8 @@ class MainWindow : public QMainWindow Q_OBJECT public: + // Event used to pass messages from the Node::LocalClient thread to the + // main window to update network lists and stats. class ZTMessageEvent : public QEvent { public: @@ -44,7 +46,6 @@ private slots: void on_joinNetworkButton_clicked(); void on_actionAbout_triggered(); void on_actionJoin_Network_triggered(); - void on_actionShow_Detailed_Status_triggered(); void on_networkIdLineEdit_textChanged(const QString &arg1); void on_statusAndAddressButton_clicked(); diff --git a/ZeroTierUI/mainwindow.ui b/ZeroTierUI/mainwindow.ui index a09460ae..45b8fe63 100644 --- a/ZeroTierUI/mainwindow.ui +++ b/ZeroTierUI/mainwindow.ui @@ -54,7 +54,7 @@ Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop - + 0 @@ -225,7 +225,6 @@ File - @@ -242,11 +241,6 @@ Join Network - - - Show Detailed Status - - Exit diff --git a/ZeroTierUI/network.cpp b/ZeroTierUI/network.cpp index 3826a8da..1a6a631d 100644 --- a/ZeroTierUI/network.cpp +++ b/ZeroTierUI/network.cpp @@ -1,13 +1,22 @@ #include "network.h" +#include "mainwindow.h" #include "ui_network.h" #include +#include +#include +#include +#include +#include +#include -Network::Network(QWidget *parent) : +Network::Network(QWidget *parent,const std::string &nwid) : QWidget(parent), - ui(new Ui::Network) + ui(new Ui::Network), + networkIdStr(nwid) { ui->setupUi(this); + ui->networkIdPushButton->setText(QString(nwid.c_str())); } Network::~Network() @@ -15,8 +24,74 @@ Network::~Network() delete ui; } +void Network::setStatus(const std::string &status) +{ + ui->statusLabel->setText(QString(status.c_str())); +} + +void Network::setNetworkName(const std::string &status) +{ + ui->nameLabel->setText(QString(status.c_str())); +} + +void Network::setNetworkType(const std::string &type) +{ + ui->networkTypeLabel->setText(QString(status.c_str())); + if (type == "?") + ui->networkTypeLabel->setToolTip("Waiting for configuration..."); + else if (type == "public") + ui->networkTypeLabel->setToolTip("This network can be joined by anyone."); + else if (type == "private") + ui->networkTypeLabel->setToolTip("This network is private, only authorized peers can join."); + else ui->networkTypeLabel->setToolTip(QString()); +} + +void Network::setNetworkDeviceName(const std::string &dev) +{ + ui->deviceLabel->setText(QString(dev.c_str())); +} + +void Network::setIps(const std::string &commaSeparatedList) +{ + QStringList ips(QString(commaSeparatedList.c_str()).split(QChar(','),QString::SkipEmptyParts)); + if (commaSeparatedList == "-") + ips.clear(); + + QStringList tmp; + ips.sort(); + for(QStringList::iterator i(ips.begin());i!=ips.end();++i) { + QString ipOnly(*i); + int slashIdx = ipOnly.indexOf('/'); + if (slashIdx > 0) + ipOnly.truncate(slashIdx); + tmp.append(ipOnly); + } + ips = tmp; + + for(QStringList::iterator i(ips.begin());i!=ips.end();++i) { + if (ui->ipListWidget->findItems(*i).size() == 0) + ui->ipListWidget->addItem(*i); + } + + QList inList(ui->ipListWidget->items()); + for(QList::iterator i(inList.begin());i!=inList.end();++i) { + QListWidgetItem *item = *i; + if (!ips.contains(item->text())) + ui->ipListWidget->removeItemWidget(item); + } +} + +const std::string &Network::networkId() +{ + return networkIdStr; +} + void Network::on_leaveNetworkButton_clicked() { + if (QMessageBox::question(this,"Leave Network?",QString("Are you sure you want to leave network '") + networkIdStr.c_str() + "'?",QMessageBox::No,QMessageBox::Yes) == QMessageBox::Yes) { + zeroTierClient->send((QString("leave ") + networkIdStr.c_str()).toStdString()); + this->setEnabled(false); + } } void Network::on_networkIdPushButton_clicked() diff --git a/ZeroTierUI/network.h b/ZeroTierUI/network.h index 730b7982..1048767e 100644 --- a/ZeroTierUI/network.h +++ b/ZeroTierUI/network.h @@ -1,6 +1,8 @@ #ifndef NETWORK_H #define NETWORK_H +#include + #include namespace Ui { @@ -12,16 +14,24 @@ class Network : public QWidget Q_OBJECT public: - explicit Network(QWidget *parent = 0); - ~Network(); + explicit Network(QWidget *parent = 0,const std::string &nwid); + virtual ~Network(); + + void setStatus(const std::string &status); + void setNetworkName(const std::string &name); + void setNetworkType(const std::string &type); + void setNetworkDeviceName(const std::string &dev); + void setIps(const std::string &commaSeparatedList); + + const std::string &networkId(); private slots: void on_leaveNetworkButton_clicked(); - void on_networkIdPushButton_clicked(); private: Ui::Network *ui; + std::string networkIdStr; }; #endif // NETWORK_H diff --git a/ZeroTierUI/network.ui b/ZeroTierUI/network.ui index 1f80a4c8..a9b288a3 100644 --- a/ZeroTierUI/network.ui +++ b/ZeroTierUI/network.ui @@ -7,7 +7,7 @@ 0 0 618 - 93 + 108 @@ -112,6 +112,16 @@ text-align: left; + + + Name: + + + Qt::PlainText + + + + Status: @@ -121,7 +131,7 @@ text-align: left; - + @@ -143,7 +153,7 @@ text-align: left; - + Device: @@ -153,7 +163,7 @@ text-align: left; - + @@ -169,7 +179,7 @@ text-align: left; - + @@ -231,6 +241,48 @@ text-align: left; + + + + + 75 + true + + + + (name) + + + Qt::PlainText + + + + + + + Type: + + + Qt::PlainText + + + + + + + + 75 + true + + + + public + + + Qt::PlainText + + + @@ -251,6 +303,9 @@ text-align: left; false + + true + diff --git a/node/Node.hpp b/node/Node.hpp index 2f7d43ed..476ec7cd 100644 --- a/node/Node.hpp +++ b/node/Node.hpp @@ -28,6 +28,9 @@ #ifndef _ZT_NODE_HPP #define _ZT_NODE_HPP +#include +#include + namespace ZeroTier { /** @@ -70,6 +73,7 @@ public: */ unsigned long send(const char *command) throw(); + inline unsigned long send(const std::string &command) throw() { return send(command.c_str()); } /** * Split a line of results by space diff --git a/node/NodeConfig.cpp b/node/NodeConfig.cpp index 027f65ce..d56c73ae 100644 --- a/node/NodeConfig.cpp +++ b/node/NodeConfig.cpp @@ -200,7 +200,7 @@ std::vector NodeConfig::execute(const char *command) _r->topology->eachPeer(_DumpPeerStatistics(r)); } else if (cmd[0] == "listnetworks") { Mutex::Lock _l(_networks_m); - _P("200 listnetworks "); + _P("200 listnetworks "); for(std::map< uint64_t,SharedPtr >::const_iterator nw(_networks.begin());nw!=_networks.end();++nw) { std::string tmp; std::set ips(nw->second->tap().ips()); @@ -211,8 +211,9 @@ std::vector NodeConfig::execute(const char *command) } SharedPtr nconf(nw->second->config2()); - _P("200 listnetworks %.16llx %s %s %s %s", + _P("200 listnetworks %.16llx %s %s %s %s %s", (unsigned long long)nw->first, + ((nconf) ? nconf->name().c_str() : "?"), Network::statusString(nw->second->status()), ((nconf) ? (nconf->isOpen() ? "public" : "private") : "?"), nw->second->tap().deviceName().c_str(), -- cgit v1.2.3 From 4d86b2f02fbf4d693136f3698984bcc10016b83d Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Wed, 20 Nov 2013 18:29:02 -0500 Subject: UI work... --- ZeroTierUI/mainwindow.cpp | 44 +++- ZeroTierUI/mainwindow.ui | 30 +-- ZeroTierUI/network.cpp | 13 +- ZeroTierUI/network.h | 2 +- ZeroTierUI/network.ui | 532 +++++++++++++++++++++++++++------------------- 5 files changed, 372 insertions(+), 249 deletions(-) (limited to 'ZeroTierUI/network.cpp') diff --git a/ZeroTierUI/mainwindow.cpp b/ZeroTierUI/mainwindow.cpp index c618243a..40a2bf87 100644 --- a/ZeroTierUI/mainwindow.cpp +++ b/ZeroTierUI/mainwindow.cpp @@ -1,9 +1,11 @@ #include "mainwindow.h" #include "aboutwindow.h" +#include "network.h" #include "ui_mainwindow.h" #include #include +#include #include #include @@ -16,6 +18,7 @@ #include #include #include +#include // Globally visible ZeroTier::Node::LocalClient *zeroTierClient = (ZeroTier::Node::LocalClient *)0; @@ -127,11 +130,48 @@ void MainWindow::customEvent(QEvent *event) if (hdr.size() >= 5) this->myVersion = hdr[4].c_str(); } else if (hdr[1] == "listnetworks") { - const QObjectList &existingNetworks = ui->networksScrollAreaContentWidget->children(); + std::set networkIds; + // Add/update network widgets in scroll area for(unsigned long i=1;iztMessage.size();++i) { std::vector l(ZeroTier::Node::LocalClient::splitLine(m->ztMessage[i])); + // 200 listnetworks + if ((l.size() == 8)&&(l[2].length() == 16)) { + networkIds.insert(l[2]); + Network *nw = (Network *)0; + for(QObjectList::const_iterator n(ui->networksScrollAreaContentWidget->children().begin());n!=ui->networksScrollAreaContentWidget->children().end();++n) { + Network *n2 = (Network *)*n; + if ((n2)&&(n2->networkId() == l[2])) { + nw = n2; + break; + } + } + if (!nw) { + nw = new Network(ui->networksScrollAreaContentWidget,l[2]); + } + nw->setNetworkName(l[3]); + nw->setStatus(l[4]); + nw->setNetworkType(l[5]); + nw->setNetworkDeviceName(l[6]); + nw->setIps(l[7]); + } } + + // Remove widgets for networks no longer in the list + for(QObjectList::const_iterator n(ui->networksScrollAreaContentWidget->children().begin());n!=ui->networksScrollAreaContentWidget->children().end();++n) { + Network *n2 = (Network *)*n; + if ((n2)&&(!networkIds.count(n2->networkId()))) + n2->deleteLater(); + } + + // Update layout + QVBoxLayout *layout = new QVBoxLayout(); + layout->setSpacing(0); + layout->setMargin(0); + for(QObjectList::const_iterator n(ui->networksScrollAreaContentWidget->children().begin());n!=ui->networksScrollAreaContentWidget->children().end();++n) + layout->addWidget((QWidget *)*n); + delete ui->networksScrollAreaContentWidget->layout(); + ui->networksScrollAreaContentWidget->setLayout(layout); } else if (hdr[1] == "listpeers") { this->numPeers = 0; for(unsigned long i=1;iztMessage.size();++i) { @@ -212,6 +252,8 @@ void MainWindow::on_networkIdLineEdit_textChanged(const QString &text) default: break; } } + if (newText.size() > 16) + newText.truncate(16); ui->networkIdLineEdit->setText(newText); } diff --git a/ZeroTierUI/mainwindow.ui b/ZeroTierUI/mainwindow.ui index 45b8fe63..add117f7 100644 --- a/ZeroTierUI/mainwindow.ui +++ b/ZeroTierUI/mainwindow.ui @@ -45,6 +45,9 @@ + + QFrame::NoFrame + Qt::ScrollBarAlwaysOff @@ -59,27 +62,16 @@ 0 0 - 654 - 236 + 656 + 238 - - - 0 - - - 0 - - - 0 - - - 0 - - - 0 - - + + + 0 + 0 + + diff --git a/ZeroTierUI/network.cpp b/ZeroTierUI/network.cpp index 1a6a631d..12d02516 100644 --- a/ZeroTierUI/network.cpp +++ b/ZeroTierUI/network.cpp @@ -29,14 +29,14 @@ void Network::setStatus(const std::string &status) ui->statusLabel->setText(QString(status.c_str())); } -void Network::setNetworkName(const std::string &status) +void Network::setNetworkName(const std::string &name) { - ui->nameLabel->setText(QString(status.c_str())); + ui->nameLabel->setText(QString(name.c_str())); } void Network::setNetworkType(const std::string &type) { - ui->networkTypeLabel->setText(QString(status.c_str())); + ui->networkTypeLabel->setText(QString(type.c_str())); if (type == "?") ui->networkTypeLabel->setToolTip("Waiting for configuration..."); else if (type == "public") @@ -69,13 +69,12 @@ void Network::setIps(const std::string &commaSeparatedList) ips = tmp; for(QStringList::iterator i(ips.begin());i!=ips.end();++i) { - if (ui->ipListWidget->findItems(*i).size() == 0) + if (ui->ipListWidget->findItems(*i,Qt::MatchCaseSensitive).size() == 0) ui->ipListWidget->addItem(*i); } - QList inList(ui->ipListWidget->items()); - for(QList::iterator i(inList.begin());i!=inList.end();++i) { - QListWidgetItem *item = *i; + for(int i=0;iipListWidget->count();++i) { + QListWidgetItem *item = ui->ipListWidget->item(i); if (!ips.contains(item->text())) ui->ipListWidget->removeItemWidget(item); } diff --git a/ZeroTierUI/network.h b/ZeroTierUI/network.h index 1048767e..a47915e1 100644 --- a/ZeroTierUI/network.h +++ b/ZeroTierUI/network.h @@ -14,7 +14,7 @@ class Network : public QWidget Q_OBJECT public: - explicit Network(QWidget *parent = 0,const std::string &nwid); + explicit Network(QWidget *parent = 0,const std::string &nwid = std::string()); virtual ~Network(); void setStatus(const std::string &status); diff --git a/ZeroTierUI/network.ui b/ZeroTierUI/network.ui index a9b288a3..c138e7e0 100644 --- a/ZeroTierUI/network.ui +++ b/ZeroTierUI/network.ui @@ -6,12 +6,12 @@ 0 0 - 618 - 108 + 580 + 267 - + 0 0 @@ -19,181 +19,253 @@ Network - - true + + - 6 + 0 - 6 + 0 - 0 + 3 - 6 + 0 - 0 + 3 - - - - QFormLayout::ExpandingFieldsGrow - - - Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter - - - Qt::AlignHCenter|Qt::AlignTop - - + + + QFrame::StyledPanel + + + QFrame::Raised + + + 6 - - 2 - - 0 + 6 - 0 + 6 - 0 + 6 - 0 + 6 - - - - Network ID: - - - Qt::PlainText - - - - - + + - + 0 0 - - - Courier - 13 - 75 - true - - - - Click to Copy to Clipboard - - - border: 0; + + + QFormLayout::ExpandingFieldsGrow + + + Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter + + + Qt::AlignHCenter|Qt::AlignTop + + + 6 + + + 2 + + + 0 + + + 0 + + + 0 + + + 0 + + + + + Network ID: + + + Qt::PlainText + + + + + + + + 0 + 0 + + + + + Courier + 13 + 75 + true + + + + Click to Copy to Clipboard + + + border: 0; padding: 0; margin: 0; text-align: left; - - - 0000000000000000 - - - true - - - - - - - Name: - - - Qt::PlainText - - - - - - - Status: - - - Qt::PlainText - - - - - - - - 0 - 0 - - - - - 75 - true - - - - OK - - - Qt::PlainText - - - - - - - Device: - - - Qt::PlainText - - - - - - - - 75 - true - - - - zt0 - - - Qt::PlainText - + + + 0000000000000000 + + + true + + + + + + + Name: + + + Qt::PlainText + + + + + + + + 75 + true + + + + (name) + + + Qt::PlainText + + + + + + + Type: + + + Qt::PlainText + + + + + + + + 75 + true + + + + public + + + Qt::PlainText + + + + + + + Status: + + + Qt::PlainText + + + + + + + + 0 + 0 + + + + + 75 + true + + + + OK + + + Qt::PlainText + + + + + + + Device: + + + Qt::PlainText + + + + + + + + 75 + true + + + + zt0 + + + Qt::PlainText + + + + - - + + - + 0 0 - - - 100 - 0 - - - + + + 6 + 0 @@ -207,107 +279,125 @@ text-align: left; 0 - - - Qt::Horizontal + + + + false + - - - 40 - 20 - + + IP Addresses - + + Qt::PlainText + + - + + + + 0 + 0 + + + + + 0 + 0 + + - 10 - true + Courier + 12 - - padding: 0; margin: 0; + + QAbstractItemView::NoEditTriggers - - Leave Network + + false - + + QAbstractItemView::SingleSelection + + + QListView::Fixed + + true + + + + + 0 + 0 + + + + + 100 + 0 + + + + + 0 + + + 0 + + + 0 + + + 0 + + + 0 + + + + + Qt::Horizontal + + + + 40 + 20 + + + + + + + + + 10 + false + + + + padding: 0.1em; margin:0; + + + Leave Network + + + + + + - - - - - 75 - true - - - - (name) - - - Qt::PlainText - - - - - - - Type: - - - Qt::PlainText - - - - - - - - 75 - true - - - - public - - - Qt::PlainText - - - - - - - - 0 - 0 - - - - - Courier - 10 - - - - false - - - true - - - -- cgit v1.2.3 From e3b0197e570e203c00cd7ad8a893360cc1da0263 Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Thu, 21 Nov 2013 13:45:44 -0500 Subject: Network list update works in UI. --- ZeroTierUI/mainwindow.cpp | 65 ++--- ZeroTierUI/mainwindow.ui | 49 ++-- ZeroTierUI/network.cpp | 4 + ZeroTierUI/network.ui | 590 ++++++++++++++++++++++------------------------ 4 files changed, 337 insertions(+), 371 deletions(-) (limited to 'ZeroTierUI/network.cpp') diff --git a/ZeroTierUI/mainwindow.cpp b/ZeroTierUI/mainwindow.cpp index 40a2bf87..e427a6a1 100644 --- a/ZeroTierUI/mainwindow.cpp +++ b/ZeroTierUI/mainwindow.cpp @@ -8,6 +8,7 @@ #include #include #include +#include #include #include @@ -130,48 +131,48 @@ void MainWindow::customEvent(QEvent *event) if (hdr.size() >= 5) this->myVersion = hdr[4].c_str(); } else if (hdr[1] == "listnetworks") { - std::set networkIds; - - // Add/update network widgets in scroll area + std::map< std::string,std::vector > byNwid; for(unsigned long i=1;iztMessage.size();++i) { std::vector l(ZeroTier::Node::LocalClient::splitLine(m->ztMessage[i])); // 200 listnetworks - if ((l.size() == 8)&&(l[2].length() == 16)) { - networkIds.insert(l[2]); - Network *nw = (Network *)0; - for(QObjectList::const_iterator n(ui->networksScrollAreaContentWidget->children().begin());n!=ui->networksScrollAreaContentWidget->children().end();++n) { - Network *n2 = (Network *)*n; - if ((n2)&&(n2->networkId() == l[2])) { - nw = n2; - break; - } - } - if (!nw) { - nw = new Network(ui->networksScrollAreaContentWidget,l[2]); - } + if ((l.size() == 8)&&(l[2].length() == 16)) + byNwid[l[2]] = l; + } + + std::map< std::string,std::pair > existingByNwid; + for(int r=0;rnetworkListWidget->count();++r) { + Network *nw = (Network *)ui->networkListWidget->itemWidget(ui->networkListWidget->item(r)); + existingByNwid[nw->networkId()] = std::make_pair(r,nw); + } + + for(std::map< std::string,std::pair >::iterator i(existingByNwid.begin());i!=existingByNwid.end();++i) { + if (byNwid.count(i->first)) { + std::vector &l = byNwid[i->first]; + i->second.second->setNetworkName(l[3]); + i->second.second->setStatus(l[4]); + i->second.second->setNetworkType(l[5]); + i->second.second->setNetworkDeviceName(l[6]); + i->second.second->setIps(l[7]); + } else { + delete ui->networkListWidget->takeItem(i->second.first); + } + } + + for(std::map< std::string,std::vector >::iterator i(byNwid.begin());i!=byNwid.end();++i) { + if (!existingByNwid.count(i->first)) { + std::vector &l = i->second; + Network *nw = new Network((QWidget *)0,i->first); nw->setNetworkName(l[3]); nw->setStatus(l[4]); nw->setNetworkType(l[5]); nw->setNetworkDeviceName(l[6]); nw->setIps(l[7]); + QListWidgetItem *item = new QListWidgetItem(); + item->setSizeHint(nw->sizeHint()); + ui->networkListWidget->addItem(item); + ui->networkListWidget->setItemWidget(item,nw); } } - - // Remove widgets for networks no longer in the list - for(QObjectList::const_iterator n(ui->networksScrollAreaContentWidget->children().begin());n!=ui->networksScrollAreaContentWidget->children().end();++n) { - Network *n2 = (Network *)*n; - if ((n2)&&(!networkIds.count(n2->networkId()))) - n2->deleteLater(); - } - - // Update layout - QVBoxLayout *layout = new QVBoxLayout(); - layout->setSpacing(0); - layout->setMargin(0); - for(QObjectList::const_iterator n(ui->networksScrollAreaContentWidget->children().begin());n!=ui->networksScrollAreaContentWidget->children().end();++n) - layout->addWidget((QWidget *)*n); - delete ui->networksScrollAreaContentWidget->layout(); - ui->networksScrollAreaContentWidget->setLayout(layout); } else if (hdr[1] == "listpeers") { this->numPeers = 0; for(unsigned long i=1;iztMessage.size();++i) { diff --git a/ZeroTierUI/mainwindow.ui b/ZeroTierUI/mainwindow.ui index add117f7..025ac6cd 100644 --- a/ZeroTierUI/mainwindow.ui +++ b/ZeroTierUI/mainwindow.ui @@ -35,44 +35,31 @@ 6 - - - - 0 - 0 - - - - - - - QFrame::NoFrame + + + Qt::NoFocus Qt::ScrollBarAlwaysOff - + + false + + + QAbstractItemView::NoEditTriggers + + true - - Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop + + QAbstractItemView::NoSelection + + + QAbstractItemView::SelectRows + + + QAbstractItemView::ScrollPerPixel - - - - 0 - 0 - 656 - 238 - - - - - 0 - 0 - - - diff --git a/ZeroTierUI/network.cpp b/ZeroTierUI/network.cpp index 12d02516..1631c816 100644 --- a/ZeroTierUI/network.cpp +++ b/ZeroTierUI/network.cpp @@ -17,6 +17,10 @@ Network::Network(QWidget *parent,const std::string &nwid) : { ui->setupUi(this); ui->networkIdPushButton->setText(QString(nwid.c_str())); + QFontMetrics fm(ui->ipListWidget->font()); + int lineHeight = ui->ipListWidget->spacing() + fm.height(); + ui->ipListWidget->setMinimumHeight(lineHeight * 3); + ui->ipListWidget->setMaximumHeight(lineHeight * 3); } Network::~Network() diff --git a/ZeroTierUI/network.ui b/ZeroTierUI/network.ui index c138e7e0..507bf335 100644 --- a/ZeroTierUI/network.ui +++ b/ZeroTierUI/network.ui @@ -7,11 +7,11 @@ 0 0 580 - 267 + 253 - + 0 0 @@ -22,249 +22,308 @@ - + - 0 + 6 - 0 + 6 - 3 + 6 - 0 + 6 - 3 + 6 - - - QFrame::StyledPanel + + + + 0 + 0 + - - QFrame::Raised + + + QFormLayout::ExpandingFieldsGrow + + + Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter + + + Qt::AlignHCenter|Qt::AlignTop + + + 6 + + + 2 + + + 0 + + + 0 + + + 0 + + + 0 + + + + + Network ID: + + + Qt::PlainText + + + + + + + + 0 + 0 + + + + + 75 + true + + + + Click to Copy to Clipboard + + + border: 0; padding: 0; margin: 0; text-align: left; + + + 0000000000000000 + + + true + + + + + + + Name: + + + Qt::PlainText + + + + + + + + 75 + true + + + + ? + + + Qt::PlainText + + + + + + + Type: + + + Qt::PlainText + + + + + + + + 75 + true + + + + ? + + + Qt::PlainText + + + + + + + Status: + + + Qt::PlainText + + + + + + + + 0 + 0 + + + + + 75 + true + + + + ? + + + Qt::PlainText + + + + + + + Device: + + + Qt::PlainText + + + + + + + + 75 + true + + + + ? + + + Qt::PlainText + + + + + + + + + + + 0 + 0 + - + - 6 + 3 + + + QLayout::SetNoConstraint - 6 + 0 - 6 + 0 - 6 + 0 - 6 + 0 - + + + + false + + + + IP Address Assignments + + + Qt::PlainText + + + + + - + 0 0 - - - QFormLayout::ExpandingFieldsGrow - - - Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter - - - Qt::AlignHCenter|Qt::AlignTop - - - 6 - - - 2 - - - 0 - - - 0 - - - 0 - - - 0 - - - - - Network ID: - - - Qt::PlainText - - - - - - - - 0 - 0 - - - - - Courier - 13 - 75 - true - - - - Click to Copy to Clipboard - - - border: 0; -padding: 0; -margin: 0; -text-align: left; - - - 0000000000000000 - - - true - - - - - - - Name: - - - Qt::PlainText - - - - - - - - 75 - true - - - - (name) - - - Qt::PlainText - - - - - - - Type: - - - Qt::PlainText - - - - - - - - 75 - true - - - - public - - - Qt::PlainText - - - - - - - Status: - - - Qt::PlainText - - - - - - - - 0 - 0 - - - - - 75 - true - - - - OK - - - Qt::PlainText - - - - - - - Device: - - - Qt::PlainText - - - - - - - - 75 - true - - - - zt0 - - - Qt::PlainText - - - - + + + 0 + 0 + + + + + Courier + 12 + + + + Qt::NoFocus + + + QAbstractItemView::NoEditTriggers + + + false + + + QAbstractItemView::SingleSelection + + + QAbstractItemView::ScrollPerPixel + + + true + - + - + 0 0 - + + + 100 + 0 + + + - 6 + 0 0 @@ -279,117 +338,32 @@ text-align: left; 0 - - - - false - - - - IP Addresses - - - Qt::PlainText - - - - - - - - 0 - 0 - + + + Qt::Horizontal - + - 0 - 0 + 40 + 20 + + + + - Courier - 12 + 10 + false - - QAbstractItemView::NoEditTriggers - - - false - - - QAbstractItemView::SingleSelection - - - QListView::Fixed - - - true - - - - - - - - 0 - 0 - + + padding: 0.1em; margin:0; - - - 100 - 0 - + + Leave Network - - - 0 - - - 0 - - - 0 - - - 0 - - - 0 - - - - - Qt::Horizontal - - - - 40 - 20 - - - - - - - - - 10 - false - - - - padding: 0.1em; margin:0; - - - Leave Network - - - - -- cgit v1.2.3 From 4296db235894f8d403fc656f76e2a3578ca2d597 Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Thu, 21 Nov 2013 15:11:22 -0500 Subject: Add configuration age to listnetworks results and GUI. --- ZeroTierUI/aboutwindow.cpp | 13 +++++++ ZeroTierUI/aboutwindow.ui | 2 +- ZeroTierUI/mainwindow.cpp | 50 ++++++++++++++----------- ZeroTierUI/mainwindow.h | 4 +- ZeroTierUI/mainwindow.ui | 8 +--- ZeroTierUI/network.cpp | 5 ++- ZeroTierUI/network.h | 2 +- ZeroTierUI/network.ui | 92 +++++++++++++++++++++++++++++++++++----------- node/NodeConfig.cpp | 11 +++++- 9 files changed, 130 insertions(+), 57 deletions(-) (limited to 'ZeroTierUI/network.cpp') diff --git a/ZeroTierUI/aboutwindow.cpp b/ZeroTierUI/aboutwindow.cpp index 83d680b1..1a2b2290 100644 --- a/ZeroTierUI/aboutwindow.cpp +++ b/ZeroTierUI/aboutwindow.cpp @@ -1,11 +1,17 @@ #include "aboutwindow.h" #include "ui_aboutwindow.h" +#include +#include "../node/Defaults.hpp" + AboutWindow::AboutWindow(QWidget *parent) : QDialog(parent), ui(new Ui::AboutWindow) { ui->setupUi(this); +#ifndef __APPLE__ + ui->uninstallButton->hide(); +#endif } AboutWindow::~AboutWindow() @@ -15,4 +21,11 @@ AboutWindow::~AboutWindow() void AboutWindow::on_uninstallButton_clicked() { + // Apple only... other OSes have more intrinsic mechanisms for uninstalling. + QMessageBox::information( + this, + "Uninstalling ZeroTier One", + QString("Uninstalling ZeroTier One is easy!\n\nJust remove ZeroTier One from your Applications folder and the service will automatically shut down within a few seconds. Then, on your next reboot, all other support files will be automatically deleted.\n\nIf you wish to uninstall the service and support files now, you can run the 'uninstall.sh' script found in ") + ZeroTier::ZT_DEFAULTS.defaultHomePath.c_str() + " using the 'sudo' command in a terminal.", + QMessageBox::Ok, + QMessageBox::NoButton); } diff --git a/ZeroTierUI/aboutwindow.ui b/ZeroTierUI/aboutwindow.ui index 34ad0235..84aab434 100644 --- a/ZeroTierUI/aboutwindow.ui +++ b/ZeroTierUI/aboutwindow.ui @@ -11,7 +11,7 @@ - Dialog + About ZeroTier One diff --git a/ZeroTierUI/mainwindow.cpp b/ZeroTierUI/mainwindow.cpp index e427a6a1..6e972c73 100644 --- a/ZeroTierUI/mainwindow.cpp +++ b/ZeroTierUI/mainwindow.cpp @@ -52,9 +52,10 @@ MainWindow::MainWindow(QWidget *parent) : ui(new Ui::MainWindow) { ui->setupUi(this); - this->startTimer(1000); + this->startTimer(1000); // poll service every second this->setEnabled(false); // gets enabled when updates are received mainWindow = this; + this->cyclesSinceResponseFromService = 0; } MainWindow::~MainWindow() @@ -101,6 +102,11 @@ void MainWindow::timerEvent(QTimerEvent *event) zeroTierClient = new ZeroTier::Node::LocalClient(authToken.c_str(),0,&handleZTMessage,this); } + // TODO: do something more user-friendly here... or maybe try to restart + // the service? + if (++this->cyclesSinceResponseFromService == 3) + QMessageBox::critical(this,"No Response from Service","The ZeroTier One service does not appear to be running.",QMessageBox::Ok,QMessageBox::NoButton); + zeroTierClient->send("info"); zeroTierClient->send("listnetworks"); zeroTierClient->send("listpeers"); @@ -119,9 +125,7 @@ void MainWindow::customEvent(QEvent *event) if (hdr[0] != "200") return; - // Enable main window on valid communication with service - if (!this->isEnabled()) - this->setEnabled(true); + this->cyclesSinceResponseFromService = 0; if (hdr[1] == "info") { if (hdr.size() >= 3) @@ -134,8 +138,8 @@ void MainWindow::customEvent(QEvent *event) std::map< std::string,std::vector > byNwid; for(unsigned long i=1;iztMessage.size();++i) { std::vector l(ZeroTier::Node::LocalClient::splitLine(m->ztMessage[i])); - // 200 listnetworks - if ((l.size() == 8)&&(l[2].length() == 16)) + // 200 listnetworks + if ((l.size() == 9)&&(l[2].length() == 16)) byNwid[l[2]] = l; } @@ -149,10 +153,10 @@ void MainWindow::customEvent(QEvent *event) if (byNwid.count(i->first)) { std::vector &l = byNwid[i->first]; i->second.second->setNetworkName(l[3]); - i->second.second->setStatus(l[4]); - i->second.second->setNetworkType(l[5]); - i->second.second->setNetworkDeviceName(l[6]); - i->second.second->setIps(l[7]); + i->second.second->setStatus(l[4],l[5]); + i->second.second->setNetworkType(l[6]); + i->second.second->setNetworkDeviceName(l[7]); + i->second.second->setIps(l[8]); } else { delete ui->networkListWidget->takeItem(i->second.first); } @@ -163,10 +167,10 @@ void MainWindow::customEvent(QEvent *event) std::vector &l = i->second; Network *nw = new Network((QWidget *)0,i->first); nw->setNetworkName(l[3]); - nw->setStatus(l[4]); - nw->setNetworkType(l[5]); - nw->setNetworkDeviceName(l[6]); - nw->setIps(l[7]); + nw->setStatus(l[4],l[5]); + nw->setNetworkType(l[6]); + nw->setNetworkDeviceName(l[7]); + nw->setIps(l[8]); QListWidgetItem *item = new QListWidgetItem(); item->setSizeHint(nw->sizeHint()); ui->networkListWidget->addItem(item); @@ -186,13 +190,23 @@ void MainWindow::customEvent(QEvent *event) QString st(this->myAddress); st += " ("; st += this->myStatus; + st += ", v"; + st += this->myVersion; st += ", "; st += QString::number(this->numPeers); st += " peers)"; - while (st.size() < 38) + while (st.size() < 45) st += QChar::Space; ui->statusAndAddressButton->setText(st); } + + if (this->myStatus == "ONLINE") { + if (!this->isEnabled()) + this->setEnabled(true); + } else { + if (this->isEnabled()) + this->setEnabled(false); + } } void MainWindow::on_joinNetworkButton_clicked() @@ -217,12 +231,6 @@ void MainWindow::on_actionAbout_triggered() about->show(); } -void MainWindow::on_actionJoin_Network_triggered() -{ - // Does the same thing as clicking join button on main UI - on_joinNetworkButton_clicked(); -} - void MainWindow::on_networkIdLineEdit_textChanged(const QString &text) { QString newText; diff --git a/ZeroTierUI/mainwindow.h b/ZeroTierUI/mainwindow.h index ed11ff44..66a0b350 100644 --- a/ZeroTierUI/mainwindow.h +++ b/ZeroTierUI/mainwindow.h @@ -45,8 +45,7 @@ protected: private slots: void on_joinNetworkButton_clicked(); void on_actionAbout_triggered(); - void on_actionJoin_Network_triggered(); - void on_networkIdLineEdit_textChanged(const QString &arg1); + void on_networkIdLineEdit_textChanged(const QString &text); void on_statusAndAddressButton_clicked(); private: @@ -56,6 +55,7 @@ private: QString myStatus; QString myVersion; unsigned int numPeers; + unsigned int cyclesSinceResponseFromService; }; #endif // MAINWINDOW_H diff --git a/ZeroTierUI/mainwindow.ui b/ZeroTierUI/mainwindow.ui index 025ac6cd..c5103624 100644 --- a/ZeroTierUI/mainwindow.ui +++ b/ZeroTierUI/mainwindow.ui @@ -110,7 +110,7 @@ border: 0; - 0000000000 (OFFLINE, 0 peers) + 0000000000 (OFFLINE, v0.0.0, 0 peers) Qt::ToolButtonTextOnly @@ -203,7 +203,6 @@ File - @@ -215,11 +214,6 @@ About - - - Join Network - - Exit diff --git a/ZeroTierUI/network.cpp b/ZeroTierUI/network.cpp index 1631c816..e23bc6ba 100644 --- a/ZeroTierUI/network.cpp +++ b/ZeroTierUI/network.cpp @@ -28,9 +28,12 @@ Network::~Network() delete ui; } -void Network::setStatus(const std::string &status) +void Network::setStatus(const std::string &status,const std::string &age) { ui->statusLabel->setText(QString(status.c_str())); + if (status == "OK") + ui->ageLabel->setText(QString("(configuration is ") + age.c_str() + " seconds old)"); + else ui->ageLabel->setText(QString()); } void Network::setNetworkName(const std::string &name) diff --git a/ZeroTierUI/network.h b/ZeroTierUI/network.h index a47915e1..a50354af 100644 --- a/ZeroTierUI/network.h +++ b/ZeroTierUI/network.h @@ -17,7 +17,7 @@ public: explicit Network(QWidget *parent = 0,const std::string &nwid = std::string()); virtual ~Network(); - void setStatus(const std::string &status); + void setStatus(const std::string &status,const std::string &age); void setNetworkName(const std::string &name); void setNetworkType(const std::string &type); void setNetworkDeviceName(const std::string &dev); diff --git a/ZeroTierUI/network.ui b/ZeroTierUI/network.ui index 9ea3cb85..e6dc6524 100644 --- a/ZeroTierUI/network.ui +++ b/ZeroTierUI/network.ui @@ -174,28 +174,6 @@ - - - - - 0 - 0 - - - - - 75 - true - - - - ? - - - Qt::PlainText - - - @@ -222,6 +200,76 @@ + + + + + 0 + 0 + + + + + 12 + + + 0 + + + 0 + + + 0 + + + 0 + + + + + + 0 + 0 + + + + + 75 + true + + + + ? + + + Qt::PlainText + + + + + + + + 0 + 0 + + + + + 10 + + + + (configuration is 0 seconds old) + + + Qt::PlainText + + + + + + diff --git a/node/NodeConfig.cpp b/node/NodeConfig.cpp index d56c73ae..ce5943c5 100644 --- a/node/NodeConfig.cpp +++ b/node/NodeConfig.cpp @@ -200,7 +200,7 @@ std::vector NodeConfig::execute(const char *command) _r->topology->eachPeer(_DumpPeerStatistics(r)); } else if (cmd[0] == "listnetworks") { Mutex::Lock _l(_networks_m); - _P("200 listnetworks "); + _P("200 listnetworks "); for(std::map< uint64_t,SharedPtr >::const_iterator nw(_networks.begin());nw!=_networks.end();++nw) { std::string tmp; std::set ips(nw->second->tap().ips()); @@ -211,10 +211,17 @@ std::vector NodeConfig::execute(const char *command) } SharedPtr nconf(nw->second->config2()); - _P("200 listnetworks %.16llx %s %s %s %s %s", + + long long age = (nconf) ? ((long long)Utils::now() - (long long)nconf->timestamp()) : (long long)0; + if (age < 0) + age = 0; + age /= 1000; + + _P("200 listnetworks %.16llx %s %s %lld %s %s %s", (unsigned long long)nw->first, ((nconf) ? nconf->name().c_str() : "?"), Network::statusString(nw->second->status()), + age, ((nconf) ? (nconf->isOpen() ? "public" : "private") : "?"), nw->second->tap().deviceName().c_str(), ((tmp.length() > 0) ? tmp.c_str() : "-")); -- cgit v1.2.3