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-rw-r--r--osdep/BSDRoutingTable.cpp336
-rw-r--r--osdep/BSDRoutingTable.hpp60
-rw-r--r--osdep/LinuxRoutingTable.cpp240
-rw-r--r--osdep/LinuxRoutingTable.hpp49
-rw-r--r--osdep/RoutingTable.cpp612
-rw-r--r--osdep/RoutingTable.hpp77
-rw-r--r--osdep/RoutingTableEntry.hpp62
-rw-r--r--osdep/WindowsRoutingTable.cpp174
-rw-r--r--osdep/WindowsRoutingTable.hpp49
9 files changed, 689 insertions, 970 deletions
diff --git a/osdep/BSDRoutingTable.cpp b/osdep/BSDRoutingTable.cpp
deleted file mode 100644
index 5b24af96..00000000
--- a/osdep/BSDRoutingTable.cpp
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2015 ZeroTier, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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. If not, see <http://www.gnu.org/licenses/>.
- *
- * --
- *
- * ZeroTier may be used and distributed under the terms of the GPLv3, which
- * are available at: http://www.gnu.org/licenses/gpl-3.0.html
- *
- * If you would like to embed ZeroTier into a commercial application or
- * redistribute it in a modified binary form, please contact ZeroTier Networks
- * LLC. Start here: http://www.zerotier.com/
- */
-
-#include "../node/Constants.hpp"
-
-#ifdef __BSD__
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/param.h>
-#include <sys/sysctl.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <net/route.h>
-#include <net/if.h>
-#include <net/if_dl.h>
-#include <ifaddrs.h>
-
-#include <algorithm>
-#include <utility>
-
-#include "BSDRoutingTable.hpp"
-
-// All I wanted was the bloody rounting table. I didn't expect the Spanish inquisition.
-
-#define ZT_BSD_ROUTE_CMD "/sbin/route"
-
-namespace ZeroTier {
-
-BSDRoutingTable::BSDRoutingTable()
-{
-}
-
-BSDRoutingTable::~BSDRoutingTable()
-{
-}
-
-std::vector<RoutingTableEntry> BSDRoutingTable::get(bool includeLinkLocal,bool includeLoopback) const
-{
- std::vector<RoutingTableEntry> entries;
- int mib[6];
- size_t needed;
-
- mib[0] = CTL_NET;
- mib[1] = PF_ROUTE;
- mib[2] = 0;
- mib[3] = 0;
- mib[4] = NET_RT_DUMP;
- mib[5] = 0;
- if (!sysctl(mib,6,NULL,&needed,NULL,0)) {
- if (needed <= 0)
- return entries;
-
- char *buf = (char *)::malloc(needed);
- if (buf) {
- if (!sysctl(mib,6,buf,&needed,NULL,0)) {
- struct rt_msghdr *rtm;
- for(char *next=buf,*end=buf+needed;next<end;) {
- rtm = (struct rt_msghdr *)next;
- char *saptr = (char *)(rtm + 1);
- char *saend = next + rtm->rtm_msglen;
-
- if (((rtm->rtm_flags & RTF_LLINFO) == 0)&&((rtm->rtm_flags & RTF_HOST) == 0)&&((rtm->rtm_flags & RTF_UP) != 0)&&((rtm->rtm_flags & RTF_MULTICAST) == 0)) {
- RoutingTableEntry e;
- e.deviceIndex = -9999; // unset
-
- int which = 0;
- while (saptr < saend) {
- struct sockaddr *sa = (struct sockaddr *)saptr;
- unsigned int salen = sa->sa_len;
- if (!salen)
- break;
-
- // Skip missing fields in rtm_addrs bit field
- while ((rtm->rtm_addrs & 1) == 0) {
- rtm->rtm_addrs >>= 1;
- ++which;
- if (which > 6)
- break;
- }
- if (which > 6)
- break;
-
- rtm->rtm_addrs >>= 1;
- switch(which++) {
- case 0:
- //printf("RTA_DST\n");
- if (sa->sa_family == AF_INET6) {
- struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
- // Nobody expects the Spanish inquisition!
- if ((sin6->sin6_addr.s6_addr[0] == 0xfe)&&((sin6->sin6_addr.s6_addr[1] & 0xc0) == 0x80)) {
- // Our chief weapon is... in-band signaling!
- // Seriously who in the living fuck thought this was a good idea and
- // then had the sadistic idea to not document it anywhere? Of course it's
- // not like there is any documentation on BSD sysctls anyway.
- unsigned int interfaceIndex = ((((unsigned int)sin6->sin6_addr.s6_addr[2]) << 8) & 0xff) | (((unsigned int)sin6->sin6_addr.s6_addr[3]) & 0xff);
- sin6->sin6_addr.s6_addr[2] = 0;
- sin6->sin6_addr.s6_addr[3] = 0;
- if (!sin6->sin6_scope_id)
- sin6->sin6_scope_id = interfaceIndex;
- }
- }
- e.destination.set(sa);
- break;
- case 1:
- //printf("RTA_GATEWAY\n");
- switch(sa->sa_family) {
- case AF_LINK:
- e.deviceIndex = (int)((const struct sockaddr_dl *)sa)->sdl_index;
- break;
- case AF_INET:
- case AF_INET6:
- e.gateway.set(sa);
- break;
- }
- break;
- case 2: {
- if (e.destination.isV6()) {
- salen = sizeof(struct sockaddr_in6); // Confess!
- unsigned int bits = 0;
- for(int i=0;i<16;++i) {
- unsigned char c = (unsigned char)((const struct sockaddr_in6 *)sa)->sin6_addr.s6_addr[i];
- if (c == 0xff)
- bits += 8;
- else break;
- /* must they be multiples of 8? Most of the BSD source I can find says yes..?
- else {
- while ((c & 0x80) == 0x80) {
- ++bits;
- c <<= 1;
- }
- break;
- }
- */
- }
- e.destination.setPort(bits);
- } else {
- salen = sizeof(struct sockaddr_in); // Confess!
- e.destination.setPort((unsigned int)Utils::countBits((uint32_t)((const struct sockaddr_in *)sa)->sin_addr.s_addr));
- }
- //printf("RTA_NETMASK\n");
- } break;
- /*
- case 3:
- //printf("RTA_GENMASK\n");
- break;
- case 4:
- //printf("RTA_IFP\n");
- break;
- case 5:
- //printf("RTA_IFA\n");
- break;
- case 6:
- //printf("RTA_AUTHOR\n");
- break;
- */
- }
-
- saptr += salen;
- }
-
- e.metric = (int)rtm->rtm_rmx.rmx_hopcount;
- if (e.metric < 0)
- e.metric = 0;
-
- if (((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback()))))
- entries.push_back(e);
- }
-
- next = saend;
- }
- }
-
- ::free(buf);
- }
- }
-
- for(std::vector<ZeroTier::RoutingTableEntry>::iterator e1(entries.begin());e1!=entries.end();++e1) {
- if ((!e1->device[0])&&(e1->deviceIndex >= 0))
- if_indextoname(e1->deviceIndex,e1->device);
- }
- for(std::vector<ZeroTier::RoutingTableEntry>::iterator e1(entries.begin());e1!=entries.end();++e1) {
- if ((!e1->device[0])&&(e1->gateway)) {
- int bestMetric = 9999999;
- for(std::vector<ZeroTier::RoutingTableEntry>::iterator e2(entries.begin());e2!=entries.end();++e2) {
- if ((e1->gateway.within(e2->destination))&&(e2->metric <= bestMetric)) {
- bestMetric = e2->metric;
- Utils::scopy(e1->device,sizeof(e1->device),e2->device);
- }
- }
- }
- }
-
- std::sort(entries.begin(),entries.end());
-
- return entries;
-}
-
-RoutingTableEntry BSDRoutingTable::set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric)
-{
- if ((!gateway)&&((!device)||(!device[0])))
- return RoutingTableEntry();
-
- std::vector<RoutingTableEntry> rtab(get(true,true));
-
- for(std::vector<RoutingTableEntry>::iterator e(rtab.begin());e!=rtab.end();++e) {
- if (e->destination == destination) {
- if (((!device)||(!device[0]))||(!strcmp(device,e->device))) {
- long p = (long)fork();
- if (p > 0) {
- int exitcode = -1;
- ::waitpid(p,&exitcode,0);
- } else if (p == 0) {
- ::close(STDOUT_FILENO);
- ::close(STDERR_FILENO);
- ::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,"delete",(destination.isV6() ? "-inet6" : "-inet"),destination.toString().c_str(),(const char *)0);
- ::_exit(-1);
- }
- }
- }
- }
-
- if (metric < 0)
- return RoutingTableEntry();
-
- {
- char hcstr[64];
- Utils::snprintf(hcstr,sizeof(hcstr),"%d",metric);
- long p = (long)fork();
- if (p > 0) {
- int exitcode = -1;
- ::waitpid(p,&exitcode,0);
- } else if (p == 0) {
- ::close(STDOUT_FILENO);
- ::close(STDERR_FILENO);
- if (gateway) {
- ::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,"add",(destination.isV6() ? "-inet6" : "-inet"),destination.toString().c_str(),gateway.toIpString().c_str(),"-hopcount",hcstr,(const char *)0);
- } else if ((device)&&(device[0])) {
- ::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,"add",(destination.isV6() ? "-inet6" : "-inet"),destination.toString().c_str(),"-interface",device,"-hopcount",hcstr,(const char *)0);
- }
- ::_exit(-1);
- }
- }
-
- rtab = get(true,true);
- std::vector<RoutingTableEntry>::iterator bestEntry(rtab.end());
- for(std::vector<RoutingTableEntry>::iterator e(rtab.begin());e!=rtab.end();++e) {
- if ((e->destination == destination)&&(e->gateway.ipsEqual(gateway))) {
- if ((device)&&(device[0])) {
- if (!strcmp(device,e->device)) {
- if (metric == e->metric)
- bestEntry = e;
- }
- }
- if (bestEntry == rtab.end())
- bestEntry = e;
- }
- }
- if (bestEntry != rtab.end())
- return *bestEntry;
-
- return RoutingTableEntry();
-}
-
-} // namespace ZeroTier
-
-// Enable and build to test routing table interface
-#if 0
-using namespace ZeroTier;
-int main(int argc,char **argv)
-{
- BSDRoutingTable rt;
-
- printf("<destination> <gateway> <interface> <metric>\n");
- std::vector<RoutingTableEntry> ents(rt.get());
- for(std::vector<RoutingTableEntry>::iterator e(ents.begin());e!=ents.end();++e)
- printf("%s\n",e->toString().c_str());
- printf("\n");
-
- printf("adding 1.1.1.0 and 2.2.2.0...\n");
- rt.set(InetAddress("1.1.1.0",24),InetAddress("1.2.3.4",0),(const char *)0,1);
- rt.set(InetAddress("2.2.2.0",24),InetAddress(),"en0",1);
- printf("\n");
-
- printf("<destination> <gateway> <interface> <metric>\n");
- ents = rt.get();
- for(std::vector<RoutingTableEntry>::iterator e(ents.begin());e!=ents.end();++e)
- printf("%s\n",e->toString().c_str());
- printf("\n");
-
- printf("deleting 1.1.1.0 and 2.2.2.0...\n");
- rt.set(InetAddress("1.1.1.0",24),InetAddress("1.2.3.4",0),(const char *)0,-1);
- rt.set(InetAddress("2.2.2.0",24),InetAddress(),"en0",-1);
- printf("\n");
-
- printf("<destination> <gateway> <interface> <metric>\n");
- ents = rt.get();
- for(std::vector<RoutingTableEntry>::iterator e(ents.begin());e!=ents.end();++e)
- printf("%s\n",e->toString().c_str());
- printf("\n");
-
- return 0;
-}
-#endif
-
-#endif // __BSD__
diff --git a/osdep/BSDRoutingTable.hpp b/osdep/BSDRoutingTable.hpp
deleted file mode 100644
index ac0e4749..00000000
--- a/osdep/BSDRoutingTable.hpp
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2015 ZeroTier, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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. If not, see <http://www.gnu.org/licenses/>.
- *
- * --
- *
- * ZeroTier may be used and distributed under the terms of the GPLv3, which
- * are available at: http://www.gnu.org/licenses/gpl-3.0.html
- *
- * If you would like to embed ZeroTier into a commercial application or
- * redistribute it in a modified binary form, please contact ZeroTier Networks
- * LLC. Start here: http://www.zerotier.com/
- */
-
-#ifndef ZT_BSDROUTINGTABLE_HPP
-#define ZT_BSDROUTINGTABLE_HPP
-
-#include "../node/Constants.hpp"
-
-#ifdef __BSD__
-
-#include <vector>
-
-#include "RoutingTableEntry.hpp"
-
-namespace ZeroTier {
-
-/**
- * Routing table interface for BSD with sysctl() and BSD /sbin/route
- *
- * Has currently only been tested on OSX/Darwin.
- */
-class BSDRoutingTable
-{
-public:
- BSDRoutingTable();
- ~BSDRoutingTable();
-
- std::vector<RoutingTableEntry> get(bool includeLinkLocal,bool includeLoopback) const;
- RoutingTableEntry set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric);
-};
-
-} // namespace ZeroTier
-
-#endif // __BSD__
-
-#endif
diff --git a/osdep/LinuxRoutingTable.cpp b/osdep/LinuxRoutingTable.cpp
deleted file mode 100644
index dd866922..00000000
--- a/osdep/LinuxRoutingTable.cpp
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2015 ZeroTier, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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. If not, see <http://www.gnu.org/licenses/>.
- *
- * --
- *
- * ZeroTier may be used and distributed under the terms of the GPLv3, which
- * are available at: http://www.gnu.org/licenses/gpl-3.0.html
- *
- * If you would like to embed ZeroTier into a commercial application or
- * redistribute it in a modified binary form, please contact ZeroTier Networks
- * LLC. Start here: http://www.zerotier.com/
- */
-
-#include "../node/Constants.hpp"
-
-#ifdef __LINUX__
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <fcntl.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <ifaddrs.h>
-
-#include <algorithm>
-#include <utility>
-
-#include "../node/Utils.hpp"
-#include "LinuxRoutingTable.hpp"
-
-#define ZT_LINUX_IP_COMMAND "/sbin/ip"
-
-namespace ZeroTier {
-
-LinuxRoutingTable::LinuxRoutingTable()
-{
-}
-
-LinuxRoutingTable::~LinuxRoutingTable()
-{
-}
-
-std::vector<RoutingTableEntry> LinuxRoutingTable::get(bool includeLinkLocal,bool includeLoopback) const
-{
- char buf[131072];
- char *stmp,*stmp2;
- std::vector<RoutingTableEntry> entries;
-
- {
- int fd = ::open("/proc/net/route",O_RDONLY);
- if (fd <= 0)
- buf[0] = (char)0;
- else {
- int n = (int)::read(fd,buf,sizeof(buf) - 1);
- ::close(fd);
- if (n < 0) n = 0;
- buf[n] = (char)0;
- }
- }
-
- int lineno = 0;
- for(char *line=Utils::stok(buf,"\r\n",&stmp);(line);line=Utils::stok((char *)0,"\r\n",&stmp)) {
- if (lineno == 0) {
- ++lineno;
- continue; // skip header
- }
-
- char *iface = (char *)0;
- uint32_t destination = 0;
- uint32_t gateway = 0;
- int metric = 0;
- uint32_t mask = 0;
-
- int fno = 0;
- for(char *f=Utils::stok(line,"\t \r\n",&stmp2);(f);f=Utils::stok((char *)0,"\t \r\n",&stmp2)) {
- switch(fno) {
- case 0: iface = f; break;
- case 1: destination = (uint32_t)Utils::hexStrToULong(f); break;
- case 2: gateway = (uint32_t)Utils::hexStrToULong(f); break;
- case 6: metric = (int)Utils::strToInt(f); break;
- case 7: mask = (uint32_t)Utils::hexStrToULong(f); break;
- }
- ++fno;
- }
-
- if ((iface)&&(destination)) {
- RoutingTableEntry e;
- if (destination)
- e.destination.set(&destination,4,Utils::countBits(mask));
- e.gateway.set(&gateway,4,0);
- e.deviceIndex = 0; // not used on Linux
- e.metric = metric;
- Utils::scopy(e.device,sizeof(e.device),iface);
- if ((e.destination)&&((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback())&&(strcmp(iface,"lo")))))
- entries.push_back(e);
- }
-
- ++lineno;
- }
-
- {
- int fd = ::open("/proc/net/ipv6_route",O_RDONLY);
- if (fd <= 0)
- buf[0] = (char)0;
- else {
- int n = (int)::read(fd,buf,sizeof(buf) - 1);
- ::close(fd);
- if (n < 0) n = 0;
- buf[n] = (char)0;
- }
- }
-
- for(char *line=Utils::stok(buf,"\r\n",&stmp);(line);line=Utils::stok((char *)0,"\r\n",&stmp)) {
- char *destination = (char *)0;
- unsigned int destPrefixLen = 0;
- char *gateway = (char *)0; // next hop in ipv6 terminology
- int metric = 0;
- char *device = (char *)0;
-
- int fno = 0;
- for(char *f=Utils::stok(line,"\t \r\n",&stmp2);(f);f=Utils::stok((char *)0,"\t \r\n",&stmp2)) {
- switch(fno) {
- case 0: destination = f; break;
- case 1: destPrefixLen = (unsigned int)Utils::hexStrToULong(f); break;
- case 4: gateway = f; break;
- case 5: metric = (int)Utils::hexStrToLong(f); break;
- case 9: device = f; break;
- }
- ++fno;
- }
-
- if ((device)&&(destination)) {
- unsigned char tmp[16];
- RoutingTableEntry e;
- Utils::unhex(destination,tmp,16);
- if ((!Utils::isZero(tmp,16))&&(tmp[0] != 0xff))
- e.destination.set(tmp,16,destPrefixLen);
- Utils::unhex(gateway,tmp,16);
- e.gateway.set(tmp,16,0);
- e.deviceIndex = 0; // not used on Linux
- e.metric = metric;
- Utils::scopy(e.device,sizeof(e.device),device);
- if ((e.destination)&&((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback())&&(strcmp(device,"lo")))))
- entries.push_back(e);
- }
- }
-
- std::sort(entries.begin(),entries.end());
- return entries;
-}
-
-RoutingTableEntry LinuxRoutingTable::set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric)
-{
- char metstr[128];
-
- if ((!gateway)&&((!device)||(!device[0])))
- return RoutingTableEntry();
-
- Utils::snprintf(metstr,sizeof(metstr),"%d",metric);
-
- if (metric < 0) {
- long pid = (long)vfork();
- if (pid == 0) {
- if (gateway) {
- if ((device)&&(device[0])) {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","del",destination.toString().c_str(),"via",gateway.toIpString().c_str(),"dev",device,(const char *)0);
- } else {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","del",destination.toString().c_str(),"via",gateway.toIpString().c_str(),(const char *)0);
- }
- } else {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","del",destination.toString().c_str(),"dev",device,(const char *)0);
- }
- ::_exit(-1);
- } else if (pid > 0) {
- int exitcode = -1;
- ::waitpid(pid,&exitcode,0);
- }
- } else {
- long pid = (long)vfork();
- if (pid == 0) {
- if (gateway) {
- if ((device)&&(device[0])) {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","replace",destination.toString().c_str(),"metric",metstr,"via",gateway.toIpString().c_str(),"dev",device,(const char *)0);
- } else {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","replace",destination.toString().c_str(),"metric",metstr,"via",gateway.toIpString().c_str(),(const char *)0);
- }
- } else {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","replace",destination.toString().c_str(),"metric",metstr,"dev",device,(const char *)0);
- }
- ::_exit(-1);
- } else if (pid > 0) {
- int exitcode = -1;
- ::waitpid(pid,&exitcode,0);
- }
- }
-
- std::vector<RoutingTableEntry> rtab(get(true,true));
- std::vector<RoutingTableEntry>::iterator bestEntry(rtab.end());
- for(std::vector<RoutingTableEntry>::iterator e(rtab.begin());e!=rtab.end();++e) {
- if ((e->destination == destination)&&(e->gateway.ipsEqual(gateway))) {
- if ((device)&&(device[0])) {
- if (!strcmp(device,e->device)) {
- if (metric == e->metric)
- bestEntry = e;
- }
- }
- if (bestEntry == rtab.end())
- bestEntry = e;
- }
- }
- if (bestEntry != rtab.end())
- return *bestEntry;
-
- return RoutingTableEntry();
-}
-
-} // namespace ZeroTier
-
-#endif // __LINUX__
diff --git a/osdep/LinuxRoutingTable.hpp b/osdep/LinuxRoutingTable.hpp
deleted file mode 100644
index 205d7b7b..00000000
--- a/osdep/LinuxRoutingTable.hpp
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef ZT_LINUXROUTINGTABLE_HPP
-#define ZT_LINUXROUTINGTABLE_HPP
-
-#include "../node/Constants.hpp"
-
-#ifdef __LINUX__
-
-#include <vector>
-
-#include "RoutingTableEntry.hpp"
-
-namespace ZeroTier {
-
-/**
- * Routing table interface via /proc/net/route, /proc/net/ipv6_route, and /sbin/route command
- */
-class LinuxRoutingTable
-{
-public:
- LinuxRoutingTable();
- ~LinuxRoutingTable();
-
- std::vector<RoutingTableEntry> get(bool includeLinkLocal = false,bool includeLoopback = false) const;
- RoutingTableEntry set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric);
-};
-
-} // namespace ZeroTier
-
-#endif // __LINUX__
-
-#endif
diff --git a/osdep/RoutingTable.cpp b/osdep/RoutingTable.cpp
new file mode 100644
index 00000000..a639f630
--- /dev/null
+++ b/osdep/RoutingTable.cpp
@@ -0,0 +1,612 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ZT_ROUTINGTABLE_HPP
+#define ZT_ROUTINGTABLE_HPP
+
+#include "../node/Constants.hpp"
+
+#ifdef __WINDOWS__
+#include <WinSock2.h>
+#include <Windows.h>
+#include <netioapi.h>
+#include <IPHlpApi.h>
+#endif
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef __UNIX_LIKE__
+#include <unistd.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <net/route.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <ifaddrs.h>
+#endif
+
+#include <vector>
+#include <algorithm>
+#include <utility>
+
+#include "RoutingTable.hpp"
+
+#define ZT_BSD_ROUTE_CMD "/sbin/route"
+#define ZT_LINUX_IP_COMMAND "/sbin/ip"
+
+namespace ZeroTier {
+
+// ---------------------------------------------------------------------------
+
+#ifdef __LINUX__
+
+std::vector<RoutingTable::Entry> RoutingTable::get(bool includeLinkLocal,bool includeLoopback)
+{
+ char buf[131072];
+ char *stmp,*stmp2;
+ std::vector<RoutingTable::Entry> entries;
+
+ {
+ int fd = ::open("/proc/net/route",O_RDONLY);
+ if (fd <= 0)
+ buf[0] = (char)0;
+ else {
+ int n = (int)::read(fd,buf,sizeof(buf) - 1);
+ ::close(fd);
+ if (n < 0) n = 0;
+ buf[n] = (char)0;
+ }
+ }
+
+ int lineno = 0;
+ for(char *line=Utils::stok(buf,"\r\n",&stmp);(line);line=Utils::stok((char *)0,"\r\n",&stmp)) {
+ if (lineno == 0) {
+ ++lineno;
+ continue; // skip header
+ }
+
+ char *iface = (char *)0;
+ uint32_t destination = 0;
+ uint32_t gateway = 0;
+ int metric = 0;
+ uint32_t mask = 0;
+
+ int fno = 0;
+ for(char *f=Utils::stok(line,"\t \r\n",&stmp2);(f);f=Utils::stok((char *)0,"\t \r\n",&stmp2)) {
+ switch(fno) {
+ case 0: iface = f; break;
+ case 1: destination = (uint32_t)Utils::hexStrToULong(f); break;
+ case 2: gateway = (uint32_t)Utils::hexStrToULong(f); break;
+ case 6: metric = (int)Utils::strToInt(f); break;
+ case 7: mask = (uint32_t)Utils::hexStrToULong(f); break;
+ }
+ ++fno;
+ }
+
+ if ((iface)&&(destination)) {
+ RoutingTable::Entry e;
+ if (destination)
+ e.destination.set(&destination,4,Utils::countBits(mask));
+ e.gateway.set(&gateway,4,0);
+ e.deviceIndex = 0; // not used on Linux
+ e.metric = metric;
+ Utils::scopy(e.device,sizeof(e.device),iface);
+ if ((e.destination)&&((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback())&&(strcmp(iface,"lo")))))
+ entries.push_back(e);
+ }
+
+ ++lineno;
+ }
+
+ {
+ int fd = ::open("/proc/net/ipv6_route",O_RDONLY);
+ if (fd <= 0)
+ buf[0] = (char)0;
+ else {
+ int n = (int)::read(fd,buf,sizeof(buf) - 1);
+ ::close(fd);
+ if (n < 0) n = 0;
+ buf[n] = (char)0;
+ }
+ }
+
+ for(char *line=Utils::stok(buf,"\r\n",&stmp);(line);line=Utils::stok((char *)0,"\r\n",&stmp)) {
+ char *destination = (char *)0;
+ unsigned int destPrefixLen = 0;
+ char *gateway = (char *)0; // next hop in ipv6 terminology
+ int metric = 0;
+ char *device = (char *)0;
+
+ int fno = 0;
+ for(char *f=Utils::stok(line,"\t \r\n",&stmp2);(f);f=Utils::stok((char *)0,"\t \r\n",&stmp2)) {
+ switch(fno) {
+ case 0: destination = f; break;
+ case 1: destPrefixLen = (unsigned int)Utils::hexStrToULong(f); break;
+ case 4: gateway = f; break;
+ case 5: metric = (int)Utils::hexStrToLong(f); break;
+ case 9: device = f; break;
+ }
+ ++fno;
+ }
+
+ if ((device)&&(destination)) {
+ unsigned char tmp[16];
+ RoutingTable::Entry e;
+ Utils::unhex(destination,tmp,16);
+ if ((!Utils::isZero(tmp,16))&&(tmp[0] != 0xff))
+ e.destination.set(tmp,16,destPrefixLen);
+ Utils::unhex(gateway,tmp,16);
+ e.gateway.set(tmp,16,0);
+ e.deviceIndex = 0; // not used on Linux
+ e.metric = metric;
+ Utils::scopy(e.device,sizeof(e.device),device);
+ if ((e.destination)&&((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback())&&(strcmp(device,"lo")))))
+ entries.push_back(e);
+ }
+ }
+
+ std::sort(entries.begin(),entries.end());
+ return entries;
+}
+
+RoutingTable::Entry RoutingTable::set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric,bool ifscope)
+{
+ char metstr[128];
+
+ if ((!gateway)&&((!device)||(!device[0])))
+ return RoutingTable::Entry();
+
+ Utils::snprintf(metstr,sizeof(metstr),"%d",metric);
+
+ if (metric < 0) {
+ long pid = (long)vfork();
+ if (pid == 0) {
+ if (gateway) {
+ if ((device)&&(device[0])) {
+ ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","del",destination.toString().c_str(),"via",gateway.toIpString().c_str(),"dev",device,(const char *)0);
+ } else {
+ ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","del",destination.toString().c_str(),"via",gateway.toIpString().c_str(),(const char *)0);
+ }
+ } else {
+ ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","del",destination.toString().c_str(),"dev",device,(const char *)0);
+ }
+ ::_exit(-1);
+ } else if (pid > 0) {
+ int exitcode = -1;
+ ::waitpid(pid,&exitcode,0);
+ }
+ } else {
+ long pid = (long)vfork();
+ if (pid == 0) {
+ if (gateway) {
+ if ((device)&&(device[0])) {
+ ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","replace",destination.toString().c_str(),"metric",metstr,"via",gateway.toIpString().c_str(),"dev",device,(const char *)0);
+ } else {
+ ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","replace",destination.toString().c_str(),"metric",metstr,"via",gateway.toIpString().c_str(),(const char *)0);
+ }
+ } else {
+ ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","replace",destination.toString().c_str(),"metric",metstr,"dev",device,(const char *)0);
+ }
+ ::_exit(-1);
+ } else if (pid > 0) {
+ int exitcode = -1;
+ ::waitpid(pid,&exitcode,0);
+ }
+ }
+
+ std::vector<RoutingTable::Entry> rtab(get(true,true));
+ std::vector<RoutingTable::Entry>::iterator bestEntry(rtab.end());
+ for(std::vector<RoutingTable::Entry>::iterator e(rtab.begin());e!=rtab.end();++e) {
+ if ((e->destination == destination)&&(e->gateway.ipsEqual(gateway))) {
+ if ((device)&&(device[0])) {
+ if (!strcmp(device,e->device)) {
+ if (metric == e->metric)
+ bestEntry = e;
+ }
+ }
+ if (bestEntry == rtab.end())
+ bestEntry = e;
+ }
+ }
+ if (bestEntry != rtab.end())
+ return *bestEntry;
+
+ return RoutingTable::Entry();
+}
+
+#endif // __LINUX__
+
+// ---------------------------------------------------------------------------
+
+#ifdef __BSD__
+
+std::vector<RoutingTable::Entry> RoutingTable::get(bool includeLinkLocal,bool includeLoopback)
+{
+ std::vector<RoutingTable::Entry> entries;
+ int mib[6];
+ size_t needed;
+
+ mib[0] = CTL_NET;
+ mib[1] = PF_ROUTE;
+ mib[2] = 0;
+ mib[3] = 0;
+ mib[4] = NET_RT_DUMP;
+ mib[5] = 0;
+ if (!sysctl(mib,6,NULL,&needed,NULL,0)) {
+ if (needed <= 0)
+ return entries;
+
+ char *buf = (char *)::malloc(needed);
+ if (buf) {
+ if (!sysctl(mib,6,buf,&needed,NULL,0)) {
+ struct rt_msghdr *rtm;
+ for(char *next=buf,*end=buf+needed;next<end;) {
+ rtm = (struct rt_msghdr *)next;
+ char *saptr = (char *)(rtm + 1);
+ char *saend = next + rtm->rtm_msglen;
+
+ if (((rtm->rtm_flags & RTF_LLINFO) == 0)&&((rtm->rtm_flags & RTF_HOST) == 0)&&((rtm->rtm_flags & RTF_UP) != 0)&&((rtm->rtm_flags & RTF_MULTICAST) == 0)) {
+ RoutingTable::Entry e;
+ e.deviceIndex = -9999; // unset
+
+ int which = 0;
+ while (saptr < saend) {
+ struct sockaddr *sa = (struct sockaddr *)saptr;
+ unsigned int salen = sa->sa_len;
+ if (!salen)
+ break;
+
+ // Skip missing fields in rtm_addrs bit field
+ while ((rtm->rtm_addrs & 1) == 0) {
+ rtm->rtm_addrs >>= 1;
+ ++which;
+ if (which > 6)
+ break;
+ }
+ if (which > 6)
+ break;
+
+ rtm->rtm_addrs >>= 1;
+ switch(which++) {
+ case 0:
+ //printf("RTA_DST\n");
+ if (sa->sa_family == AF_INET6) {
+ struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
+ // Nobody expects the Spanish inquisition!
+ if ((sin6->sin6_addr.s6_addr[0] == 0xfe)&&((sin6->sin6_addr.s6_addr[1] & 0xc0) == 0x80)) {
+ // Our chief weapon is... in-band signaling!
+ // Seriously who in the living fuck thought this was a good idea and
+ // then had the sadistic idea to not document it anywhere? Of course it's
+ // not like there is any documentation on BSD sysctls anyway.
+ unsigned int interfaceIndex = ((((unsigned int)sin6->sin6_addr.s6_addr[2]) << 8) & 0xff) | (((unsigned int)sin6->sin6_addr.s6_addr[3]) & 0xff);
+ sin6->sin6_addr.s6_addr[2] = 0;
+ sin6->sin6_addr.s6_addr[3] = 0;
+ if (!sin6->sin6_scope_id)
+ sin6->sin6_scope_id = interfaceIndex;
+ }
+ }
+ e.destination.set(sa);
+ break;
+ case 1:
+ //printf("RTA_GATEWAY\n");
+ switch(sa->sa_family) {
+ case AF_LINK:
+ e.deviceIndex = (int)((const struct sockaddr_dl *)sa)->sdl_index;
+ break;
+ case AF_INET:
+ case AF_INET6:
+ e.gateway.set(sa);
+ break;
+ }
+ break;
+ case 2: {
+ if (e.destination.isV6()) {
+ salen = sizeof(struct sockaddr_in6); // Confess!
+ unsigned int bits = 0;
+ for(int i=0;i<16;++i) {
+ unsigned char c = (unsigned char)((const struct sockaddr_in6 *)sa)->sin6_addr.s6_addr[i];
+ if (c == 0xff)
+ bits += 8;
+ else break;
+ /* must they be multiples of 8? Most of the BSD source I can find says yes..?
+ else {
+ while ((c & 0x80) == 0x80) {
+ ++bits;
+ c <<= 1;
+ }
+ break;
+ }
+ */
+ }
+ e.destination.setPort(bits);
+ } else {
+ salen = sizeof(struct sockaddr_in); // Confess!
+ e.destination.setPort((unsigned int)Utils::countBits((uint32_t)((const struct sockaddr_in *)sa)->sin_addr.s_addr));
+ }
+ //printf("RTA_NETMASK\n");
+ } break;
+ /*
+ case 3:
+ //printf("RTA_GENMASK\n");
+ break;
+ case 4:
+ //printf("RTA_IFP\n");
+ break;
+ case 5:
+ //printf("RTA_IFA\n");
+ break;
+ case 6:
+ //printf("RTA_AUTHOR\n");
+ break;
+ */
+ }
+
+ saptr += salen;
+ }
+
+ e.metric = (int)rtm->rtm_rmx.rmx_hopcount;
+ if (e.metric < 0)
+ e.metric = 0;
+
+ if (((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback()))))
+ entries.push_back(e);
+ }
+
+ next = saend;
+ }
+ }
+
+ ::free(buf);
+ }
+ }
+
+ for(std::vector<ZeroTier::RoutingTable::Entry>::iterator e1(entries.begin());e1!=entries.end();++e1) {
+ if ((!e1->device[0])&&(e1->deviceIndex >= 0))
+ if_indextoname(e1->deviceIndex,e1->device);
+ }
+ for(std::vector<ZeroTier::RoutingTable::Entry>::iterator e1(entries.begin());e1!=entries.end();++e1) {
+ if ((!e1->device[0])&&(e1->gateway)) {
+ int bestMetric = 9999999;
+ for(std::vector<ZeroTier::RoutingTable::Entry>::iterator e2(entries.begin());e2!=entries.end();++e2) {
+ if ((e1->gateway.within(e2->destination))&&(e2->metric <= bestMetric)) {
+ bestMetric = e2->metric;
+ Utils::scopy(e1->device,sizeof(e1->device),e2->device);
+ }
+ }
+ }
+ }
+
+ std::sort(entries.begin(),entries.end());
+
+ return entries;
+}
+
+RoutingTable::Entry RoutingTable::set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric,bool ifscope)
+{
+ if ((!gateway)&&((!device)||(!device[0])))
+ return RoutingTable::Entry();
+
+ std::vector<RoutingTable::Entry> rtab(get(true,true));
+
+ for(std::vector<RoutingTable::Entry>::iterator e(rtab.begin());e!=rtab.end();++e) {
+ if (e->destination == destination) {
+ if (((!device)||(!device[0]))||(!strcmp(device,e->device))) {
+ long p = (long)fork();
+ if (p > 0) {
+ int exitcode = -1;
+ ::waitpid(p,&exitcode,0);
+ } else if (p == 0) {
+ ::close(STDOUT_FILENO);
+ ::close(STDERR_FILENO);
+ ::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,"delete",(destination.isV6() ? "-inet6" : "-inet"),destination.toString().c_str(),(const char *)0);
+ ::_exit(-1);
+ }
+ }
+ }
+ }
+
+ if (metric < 0)
+ return RoutingTable::Entry();
+
+ {
+ char hcstr[64];
+ Utils::snprintf(hcstr,sizeof(hcstr),"%d",metric);
+ long p = (long)fork();
+ if (p > 0) {
+ int exitcode = -1;
+ ::waitpid(p,&exitcode,0);
+ } else if (p == 0) {
+ ::close(STDOUT_FILENO);
+ ::close(STDERR_FILENO);
+ if (gateway) {
+ ::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,"add",(destination.isV6() ? "-inet6" : "-inet"),destination.toString().c_str(),gateway.toIpString().c_str(),"-hopcount",hcstr,(const char *)0);
+ } else if ((device)&&(device[0])) {
+ ::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,"add",(destination.isV6() ? "-inet6" : "-inet"),destination.toString().c_str(),"-interface",device,"-hopcount",hcstr,(const char *)0);
+ }
+ ::_exit(-1);
+ }
+ }
+
+ rtab = get(true,true);
+ std::vector<RoutingTable::Entry>::iterator bestEntry(rtab.end());
+ for(std::vector<RoutingTable::Entry>::iterator e(rtab.begin());e!=rtab.end();++e) {
+ if ((e->destination == destination)&&(e->gateway.ipsEqual(gateway))) {
+ if ((device)&&(device[0])) {
+ if (!strcmp(device,e->device)) {
+ if (metric == e->metric)
+ bestEntry = e;
+ }
+ }
+ if (bestEntry == rtab.end())
+ bestEntry = e;
+ }
+ }
+ if (bestEntry != rtab.end())
+ return *bestEntry;
+
+ return RoutingTable::Entry();
+}
+
+#endif // __BSD__
+
+// ---------------------------------------------------------------------------
+
+#ifdef __WINDOWS__
+
+static void _copyInetAddressToSockaddrInet(const InetAddress &a,SOCKADDR_INET &sinet)
+{
+ memset(&sinet,0,sizeof(sinet));
+ if (a.isV4()) {
+ sinet.Ipv4.sin_addr.S_un.S_addr = *((const uint32_t *)a.rawIpData());
+ sinet.Ipv4.sin_family = AF_INET;
+ sinet.Ipv4.sin_port = htons(a.port());
+ } else if (a.isV6()) {
+ memcpy(sinet.Ipv6.sin6_addr.u.Byte,a.rawIpData(),16);
+ sinet.Ipv6.sin6_family = AF_INET6;
+ sinet.Ipv6.sin6_port = htons(a.port());
+ }
+}
+
+std::vector<RoutingTable::Entry> RoutingTable::get(bool includeLinkLocal,bool includeLoopback) const
+{
+ std::vector<RoutingTable::Entry> entries;
+ PMIB_IPFORWARD_TABLE2 rtbl = NULL;
+
+ if (GetIpForwardTable2(AF_UNSPEC,&rtbl) != NO_ERROR)
+ return entries;
+ if (!rtbl)
+ return entries;
+
+ for(ULONG r=0;r<rtbl->NumEntries;++r) {
+ RoutingTable::Entry e;
+ switch(rtbl->Table[r].DestinationPrefix.Prefix.si_family) {
+ case AF_INET:
+ e.destination.set(&(rtbl->Table[r].DestinationPrefix.Prefix.Ipv4.sin_addr.S_un.S_addr),4,rtbl->Table[r].DestinationPrefix.PrefixLength);
+ break;
+ case AF_INET6:
+ e.destination.set(rtbl->Table[r].DestinationPrefix.Prefix.Ipv6.sin6_addr.u.Byte,16,rtbl->Table[r].DestinationPrefix.PrefixLength);
+ break;
+ }
+ switch(rtbl->Table[r].NextHop.si_family) {
+ case AF_INET:
+ e.gateway.set(&(rtbl->Table[r].NextHop.Ipv4.sin_addr.S_un.S_addr),4,0);
+ break;
+ case AF_INET6:
+ e.gateway.set(rtbl->Table[r].NextHop.Ipv6.sin6_addr.u.Byte,16,0);
+ break;
+ }
+ e.deviceIndex = (int)rtbl->Table[r].InterfaceIndex;
+ e.metric = (int)rtbl->Table[r].Metric;
+ ConvertInterfaceLuidToNameA(&(rtbl->Table[r].InterfaceLuid),e.device,sizeof(e.device));
+ if ((e.destination)&&((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback()))))
+ entries.push_back(e);
+ }
+
+ FreeMibTable(rtbl);
+ std::sort(entries.begin(),entries.end());
+ return entries;
+}
+
+RoutingTable::Entry RoutingTable::set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric,bool ifscope)
+{
+ NET_LUID luid;
+ luid.Value = 0;
+ if (ConvertInterfaceNameToLuidA(device,&luid) != NO_ERROR)
+ return RoutingTable::Entry();
+
+ bool needCreate = true;
+ PMIB_IPFORWARD_TABLE2 rtbl = NULL;
+ if (GetIpForwardTable2(AF_UNSPEC,&rtbl) != NO_ERROR)
+ return RoutingTable::Entry();
+ if (!rtbl)
+ return RoutingTable::Entry();
+ for(ULONG r=0;r<rtbl->NumEntries;++r) {
+ if (rtbl->Table[r].InterfaceLuid.Value == luid.Value) {
+ InetAddress rdest;
+ switch(rtbl->Table[r].DestinationPrefix.Prefix.si_family) {
+ case AF_INET:
+ rdest.set(&(rtbl->Table[r].DestinationPrefix.Prefix.Ipv4.sin_addr.S_un.S_addr),4,rtbl->Table[r].DestinationPrefix.PrefixLength);
+ break;
+ case AF_INET6:
+ rdest.set(rtbl->Table[r].DestinationPrefix.Prefix.Ipv6.sin6_addr.u.Byte,16,rtbl->Table[r].DestinationPrefix.PrefixLength);
+ break;
+ }
+ if (rdest == destination) {
+ if (metric >= 0) {
+ _copyInetAddressToSockaddrInet(gateway,rtbl->Table[r].NextHop);
+ rtbl->Table[r].Metric = metric;
+ SetIpForwardEntry2(&(rtbl->Table[r]));
+ needCreate = false;
+ } else {
+ DeleteIpForwardEntry2(&(rtbl->Table[r]));
+ FreeMibTable(rtbl);
+ return RoutingTable::Entry();
+ }
+ }
+ }
+ }
+ FreeMibTable(rtbl);
+
+ if ((metric >= 0)&&(needCreate)) {
+ MIB_IPFORWARD_ROW2 nr;
+ InitializeIpForwardEntry(&nr);
+ nr.InterfaceLuid.Value = luid.Value;
+ _copyInetAddressToSockaddrInet(destination,nr.DestinationPrefix.Prefix);
+ nr.DestinationPrefix.PrefixLength = destination.netmaskBits();
+ _copyInetAddressToSockaddrInet(gateway,nr.NextHop);
+ nr.Metric = metric;
+ nr.Protocol = MIB_IPPROTO_NETMGMT;
+ DWORD result = CreateIpForwardEntry2(&nr);
+ if (result != NO_ERROR)
+ return RoutingTable::Entry();
+ }
+
+ std::vector<RoutingTable::Entry> rtab(get(true,true));
+ std::vector<RoutingTable::Entry>::iterator bestEntry(rtab.end());
+ for(std::vector<RoutingTable::Entry>::iterator e(rtab.begin());e!=rtab.end();++e) {
+ if ((e->destination == destination)&&(e->gateway.ipsEqual(gateway))) {
+ if ((device)&&(device[0])) {
+ if (!strcmp(device,e->device)) {
+ if (metric == e->metric)
+ bestEntry = e;
+ }
+ }
+ if (bestEntry == rtab.end())
+ bestEntry = e;
+ }
+ }
+ if (bestEntry != rtab.end())
+ return *bestEntry;
+ return RoutingTable::Entry();
+}
+
+#endif // __WINDOWS__
+
+// ---------------------------------------------------------------------------
+
+} // namespace ZeroTier
+
+#endif
diff --git a/osdep/RoutingTable.hpp b/osdep/RoutingTable.hpp
new file mode 100644
index 00000000..6fcff967
--- /dev/null
+++ b/osdep/RoutingTable.hpp
@@ -0,0 +1,77 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ZT_ROUTINGTABLE_HPP
+#define ZT_ROUTINGTABLE_HPP
+
+#include <vector>
+
+#include "../node/Constants.hpp"
+#include "../node/InetAddress.hpp"
+
+namespace ZeroTier {
+
+class RoutingTable
+{
+public:
+ struct Entry
+ {
+ /**
+ * Destination IP and netmask bits (CIDR format)
+ */
+ InetAddress destination;
+
+ /**
+ * Gateway or null address if direct link-level route, netmask/port part of InetAddress not used
+ */
+ InetAddress gateway;
+
+ /**
+ * System device index or ID (not included in comparison operators, may not be set on all platforms)
+ */
+ int deviceIndex;
+
+ /**
+ * Metric or hop count -- higher = lower routing priority
+ */
+ int metric;
+
+ /**
+ * Interface scoped route? (always false if not meaningful on this OS)
+ */
+ bool ifscope;
+
+ /**
+ * System device name (may be empty if it doesn't exist or isn't important on this OS)
+ */
+ char device[128];
+
+ /**
+ * @return True if at least one required field is present (object is not null)
+ */
+ inline operator bool() const { return ((destination)||(gateway)); }
+ };
+
+ static std::vector<RoutingTableEntry> get(bool includeLinkLocal,bool includeLoopback);
+
+ static RoutingTableEntry set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric,bool ifscope);
+};
+
+} // namespace ZeroTier
+
+#endif
diff --git a/osdep/RoutingTableEntry.hpp b/osdep/RoutingTableEntry.hpp
deleted file mode 100644
index 578972db..00000000
--- a/osdep/RoutingTableEntry.hpp
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef ZT_ROUTINGTABLEENTRY_HPP
-#define ZT_ROUTINGTABLEENTRY_HPP
-
-#include "../node/InetAddress.hpp"
-
-namespace ZeroTier {
-
-class RoutingTableEntry
-{
-public:
- /**
- * Destination IP and netmask bits (CIDR format)
- */
- InetAddress destination;
-
- /**
- * Gateway or null address if direct link-level route, netmask/port part of InetAddress not used
- */
- InetAddress gateway;
-
- /**
- * System device index or ID (not included in comparison operators, may not be set on all platforms)
- */
- int deviceIndex;
-
- /**
- * Metric or hop count -- higher = lower routing priority
- */
- int metric;
-
- /**
- * System device name
- */
- char device[128];
-
- /**
- * @return True if at least one required field is present (object is not null)
- */
- inline operator bool() const { return ((destination)||(gateway)); }
-};
-
-} // namespace ZeroTier
-
-#endif
diff --git a/osdep/WindowsRoutingTable.cpp b/osdep/WindowsRoutingTable.cpp
deleted file mode 100644
index 20abf90f..00000000
--- a/osdep/WindowsRoutingTable.cpp
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "../node/Constants.hpp"
-
-#ifdef __WINDOWS__
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <WinSock2.h>
-#include <Windows.h>
-#include <netioapi.h>
-#include <IPHlpApi.h>
-
-#include <vector>
-
-#include "WindowsRoutingTable.hpp"
-
-namespace ZeroTier {
-
-static void _copyInetAddressToSockaddrInet(const InetAddress &a,SOCKADDR_INET &sinet)
-{
- memset(&sinet,0,sizeof(sinet));
- if (a.isV4()) {
- sinet.Ipv4.sin_addr.S_un.S_addr = *((const uint32_t *)a.rawIpData());
- sinet.Ipv4.sin_family = AF_INET;
- sinet.Ipv4.sin_port = htons(a.port());
- } else if (a.isV6()) {
- memcpy(sinet.Ipv6.sin6_addr.u.Byte,a.rawIpData(),16);
- sinet.Ipv6.sin6_family = AF_INET6;
- sinet.Ipv6.sin6_port = htons(a.port());
- }
-}
-
-WindowsRoutingTable::WindowsRoutingTable()
-{
-}
-
-WindowsRoutingTable::~WindowsRoutingTable()
-{
-}
-
-std::vector<RoutingTable::Entry> WindowsRoutingTable::get(bool includeLinkLocal,bool includeLoopback) const
-{
- std::vector<RoutingTable::Entry> entries;
- PMIB_IPFORWARD_TABLE2 rtbl = NULL;
-
- if (GetIpForwardTable2(AF_UNSPEC,&rtbl) != NO_ERROR)
- return entries;
- if (!rtbl)
- return entries;
-
- for(ULONG r=0;r<rtbl->NumEntries;++r) {
- RoutingTable::Entry e;
- switch(rtbl->Table[r].DestinationPrefix.Prefix.si_family) {
- case AF_INET:
- e.destination.set(&(rtbl->Table[r].DestinationPrefix.Prefix.Ipv4.sin_addr.S_un.S_addr),4,rtbl->Table[r].DestinationPrefix.PrefixLength);
- break;
- case AF_INET6:
- e.destination.set(rtbl->Table[r].DestinationPrefix.Prefix.Ipv6.sin6_addr.u.Byte,16,rtbl->Table[r].DestinationPrefix.PrefixLength);
- break;
- }
- switch(rtbl->Table[r].NextHop.si_family) {
- case AF_INET:
- e.gateway.set(&(rtbl->Table[r].NextHop.Ipv4.sin_addr.S_un.S_addr),4,0);
- break;
- case AF_INET6:
- e.gateway.set(rtbl->Table[r].NextHop.Ipv6.sin6_addr.u.Byte,16,0);
- break;
- }
- e.deviceIndex = (int)rtbl->Table[r].InterfaceIndex;
- e.metric = (int)rtbl->Table[r].Metric;
- ConvertInterfaceLuidToNameA(&(rtbl->Table[r].InterfaceLuid),e.device,sizeof(e.device));
- if ((e.destination)&&((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback()))))
- entries.push_back(e);
- }
-
- FreeMibTable(rtbl);
- std::sort(entries.begin(),entries.end());
- return entries;
-}
-
-RoutingTable::Entry WindowsRoutingTable::set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric)
-{
- NET_LUID luid;
- luid.Value = 0;
- if (ConvertInterfaceNameToLuidA(device,&luid) != NO_ERROR)
- return RoutingTable::Entry();
-
- bool needCreate = true;
- PMIB_IPFORWARD_TABLE2 rtbl = NULL;
- if (GetIpForwardTable2(AF_UNSPEC,&rtbl) != NO_ERROR)
- return RoutingTable::Entry();
- if (!rtbl)
- return RoutingTable::Entry();
- for(ULONG r=0;r<rtbl->NumEntries;++r) {
- if (rtbl->Table[r].InterfaceLuid.Value == luid.Value) {
- InetAddress rdest;
- switch(rtbl->Table[r].DestinationPrefix.Prefix.si_family) {
- case AF_INET:
- rdest.set(&(rtbl->Table[r].DestinationPrefix.Prefix.Ipv4.sin_addr.S_un.S_addr),4,rtbl->Table[r].DestinationPrefix.PrefixLength);
- break;
- case AF_INET6:
- rdest.set(rtbl->Table[r].DestinationPrefix.Prefix.Ipv6.sin6_addr.u.Byte,16,rtbl->Table[r].DestinationPrefix.PrefixLength);
- break;
- }
- if (rdest == destination) {
- if (metric >= 0) {
- _copyInetAddressToSockaddrInet(gateway,rtbl->Table[r].NextHop);
- rtbl->Table[r].Metric = metric;
- SetIpForwardEntry2(&(rtbl->Table[r]));
- needCreate = false;
- } else {
- DeleteIpForwardEntry2(&(rtbl->Table[r]));
- FreeMibTable(rtbl);
- return RoutingTable::Entry();
- }
- }
- }
- }
- FreeMibTable(rtbl);
-
- if ((metric >= 0)&&(needCreate)) {
- MIB_IPFORWARD_ROW2 nr;
- InitializeIpForwardEntry(&nr);
- nr.InterfaceLuid.Value = luid.Value;
- _copyInetAddressToSockaddrInet(destination,nr.DestinationPrefix.Prefix);
- nr.DestinationPrefix.PrefixLength = destination.netmaskBits();
- _copyInetAddressToSockaddrInet(gateway,nr.NextHop);
- nr.Metric = metric;
- nr.Protocol = MIB_IPPROTO_NETMGMT;
- DWORD result = CreateIpForwardEntry2(&nr);
- if (result != NO_ERROR)
- return RoutingTable::Entry();
- }
-
- std::vector<RoutingTable::Entry> rtab(get(true,true));
- std::vector<RoutingTable::Entry>::iterator bestEntry(rtab.end());
- for(std::vector<RoutingTable::Entry>::iterator e(rtab.begin());e!=rtab.end();++e) {
- if ((e->destination == destination)&&(e->gateway.ipsEqual(gateway))) {
- if ((device)&&(device[0])) {
- if (!strcmp(device,e->device)) {
- if (metric == e->metric)
- bestEntry = e;
- }
- }
- if (bestEntry == rtab.end())
- bestEntry = e;
- }
- }
- if (bestEntry != rtab.end())
- return *bestEntry;
- return RoutingTable::Entry();
-}
-
-} // namespace ZeroTier
-
-#endif // __WINDOWS__
diff --git a/osdep/WindowsRoutingTable.hpp b/osdep/WindowsRoutingTable.hpp
deleted file mode 100644
index a36b4f66..00000000
--- a/osdep/WindowsRoutingTable.hpp
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef ZT_WINDOWSROUTINGTABLE_HPP
-#define ZT_WINDOWSROUTINGTABLE_HPP
-
-#include "../node/Constants.hpp"
-
-#ifdef __WINDOWS__
-
-#include <vector>
-
-#include "RoutingTableEntry.hpp"
-
-namespace ZeroTier {
-
-/**
- * Interface to Microsoft Windows (Vista or newer) routing table
- */
-class WindowsRoutingTable
-{
-public:
- WindowsRoutingTable();
- ~WindowsRoutingTable();
-
- std::vector<RoutingTableEntry> get(bool includeLinkLocal = false,bool includeLoopback = false) const;
- RoutingTableEntry set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric);
-};
-
-} // namespace ZeroTier
-
-#endif // __WINDOWS__
-
-#endif
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-26 23:24:40 +0000