diff options
Diffstat (limited to 'mac-tap/tuntap/src/tun')
| -rw-r--r-- | mac-tap/tuntap/src/tun/Info.plist | 36 | ||||
| -rw-r--r-- | mac-tap/tuntap/src/tun/Makefile | 59 | ||||
| -rw-r--r-- | mac-tap/tuntap/src/tun/kmod.cc | 93 | ||||
| -rw-r--r-- | mac-tap/tuntap/src/tun/tun.cc | 424 | ||||
| -rw-r--r-- | mac-tap/tuntap/src/tun/tun.h | 123 | ||||
| -rw-r--r-- | mac-tap/tuntap/src/tun/tun_inet6_proto.c | 87 | ||||
| -rw-r--r-- | mac-tap/tuntap/src/tun/tun_inet_proto.c | 87 | ||||
| -rw-r--r-- | mac-tap/tuntap/src/tun/tun_ioctls.h | 38 |
8 files changed, 0 insertions, 947 deletions
diff --git a/mac-tap/tuntap/src/tun/Info.plist b/mac-tap/tuntap/src/tun/Info.plist deleted file mode 100644 index bb9b03fd..00000000 --- a/mac-tap/tuntap/src/tun/Info.plist +++ /dev/null @@ -1,36 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?> -<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> -<plist version="1.0"> -<dict> - <key>CFBundleDevelopmentRegion</key> - <string>@@CFBUNDLEDEVELOPMENTREGION@@</string> - <key>CFBundleExecutable</key> - <string>@@CFBUNDLEEXECUTABLE@@</string> - <key>CFBundleIdentifier</key> - <string>@@CFBUNDLEIDENTIFIER@@</string> - <key>CFBundleInfoDictionaryVersion</key> - <string>6.0</string> - <key>CFBundleName</key> - <string>@@CFBUNDLEEXECUTABLE@@</string> - <key>CFBundlePackageType</key> - <string>@@CFBUNDLEPACKAGETYPE@@</string> - <key>CFBundleShortVersionString</key> - <string>@@CFBUNDLEVERSION@@</string> - <key>CFBundleSignature</key> - <string>@@CFBUNDLESIGNATURE@@</string> - <key>CFBundleVersion</key> - <string>1.0</string> - <key>OSBundleLibraries</key> - <dict> - <key>com.apple.kpi.mach</key> - <string>8.0</string> - <key>com.apple.kpi.bsd</key> - <string>8.0</string> - <key>com.apple.kpi.libkern</key> - <string>8.0</string> - <key>com.apple.kpi.unsupported</key> - <string>8.0</string> - </dict> -</dict> -</plist> - diff --git a/mac-tap/tuntap/src/tun/Makefile b/mac-tap/tuntap/src/tun/Makefile deleted file mode 100644 index 9ca6794d..00000000 --- a/mac-tap/tuntap/src/tun/Makefile +++ /dev/null @@ -1,59 +0,0 @@ -# -# ip tunnel/ethertap driver for MacOSX -# -# Makefile -# -# (c) 2004, 2005, 2006, 2007, 2008 Mattias Nissler -# - -OBJS = ../tuntap.o ../tuntap_mgr.o ../lock.o ../mem.o \ - kmod.o tun_inet_proto.o tun_inet6_proto.o tun.o -KMOD_BIN = tun -BUNDLE_DIR = ../.. -BUNDLE_NAME = tun.kext - -TUN_KEXT_VERSION = $(TUNTAP_VERSION) - -BUNDLE_REGION = English -BUNDLE_IDENTIFIER = foo.tun -BUNDLE_SIGNATURE = ???? -BUNDLE_PACKAGETYPE = KEXT -BUNDLE_VERSION = $(TUN_KEXT_VERSION) - -INCLUDE = -I.. -I/System/Library/Frameworks/Kernel.framework/Headers -CFLAGS = -Wall -mkernel -force_cpusubtype_ALL \ - -fno-builtin -fno-stack-protector -arch i386 -arch x86_64 \ - -DKERNEL -D__APPLE__ -DKERNEL_PRIVATE -DTUNTAP_VERSION=\"$(TUNTAP_VERSION)\" \ - -DTUN_KEXT_VERSION=\"$(TUN_KEXT_VERSION)\" -CCFLAGS = $(CFLAGS) -LDFLAGS = -Wall -mkernel -nostdlib -r -lcc_kext -arch i386 -arch x86_64 -Xlinker -kext - -CCP = g++ -CC = gcc - -all: $(KMOD_BIN) bundle - -.c.o: - $(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@ -.cc.o: - $(CCP) $(CCFLAGS) $(INCLUDE) -c $< -o $@ - -$(KMOD_BIN): $(OBJS) - $(CCP) $(LDFLAGS) -o $(KMOD_BIN) $(OBJS) - -bundle: $(KMOD_BIN) - rm -rf $(BUNDLE_DIR)/$(BUNDLE_NAME) - mkdir -p $(BUNDLE_DIR)/$(BUNDLE_NAME)/Contents/MacOS - cp $(KMOD_BIN) $(BUNDLE_DIR)/$(BUNDLE_NAME)/Contents/MacOS - sed -e "s/@@CFBUNDLEEXECUTABLE@@/$(KMOD_BIN)/" \ - -e "s/@@CFBUNDLEDEVELOPMENTREGION@@/$(BUNDLE_REGION)/" \ - -e "s/@@CFBUNDLEIDENTIFIER@@/$(BUNDLE_IDENTIFIER)/" \ - -e "s/@@CFBUNDLESIGNATURE@@/$(BUNDLE_SIGNATURE)/" \ - -e "s/@@CFBUNDLEPACKAGETYPE@@/$(BUNDLE_PACKAGETYPE)/" \ - -e "s/@@CFBUNDLEVERSION@@/$(BUNDLE_VERSION)/" \ - Info.plist > $(BUNDLE_DIR)/$(BUNDLE_NAME)/Contents/Info.plist - -clean: - -rm -f $(OBJS) $(KMOD_BIN) - -rm -rf $(BUNDLE_DIR)/$(BUNDLE_NAME) - diff --git a/mac-tap/tuntap/src/tun/kmod.cc b/mac-tap/tuntap/src/tun/kmod.cc deleted file mode 100644 index 1c085506..00000000 --- a/mac-tap/tuntap/src/tun/kmod.cc +++ /dev/null @@ -1,93 +0,0 @@ -/* - * ip tunnel device for MacOSX. - * - * Kext definition (it is a mach kmod really...) - */ -/* - * Copyright (c) 2011 Mattias Nissler <mattias.nissler@gmx.de> - * - * Redistribution and use in source and binary forms, with or without modification, are permitted - * provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, this list of - * conditions and the following disclaimer in the documentation and/or other materials provided - * with the distribution. - * 3. The name of the author may not be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "tun.h" -#include "mem.h" - -extern "C" { - -#include <sys/param.h> - -#include <mach/kmod.h> - -static tun_manager *mgr; - -/* - * start function. called when the kext gets loaded. - */ -static kern_return_t tun_module_start(struct kmod_info *ki, void *data) -{ - mem_initialize(TUN_FAMILY_NAME); - - /* initialize locking */ - if (!tt_lock::initialize()) - return KMOD_RETURN_FAILURE; - - /* create a tun manager that will handle the rest */ - mgr = new tun_manager(); - - if (mgr != NULL) { - if (mgr->initialize(TUN_IF_COUNT, TUN_FAMILY_NAME)) - return KMOD_RETURN_SUCCESS; - - delete mgr; - mgr = NULL; - /* clean up locking */ - tt_lock::shutdown(); - } - - return KMOD_RETURN_FAILURE; -} - -/* - * stop function. called when the kext should be unloaded. unloading can be prevented by - * returning failure - */ -static kern_return_t tun_module_stop(struct kmod_info *ki, void *data) -{ - if (mgr != NULL) { - if (!mgr->shutdown()) - return KMOD_RETURN_FAILURE; - - delete mgr; - mgr = NULL; - } - - /* clean up locking */ - tt_lock::shutdown(); - - mem_shutdown(); - - return KMOD_RETURN_SUCCESS; -} - -KMOD_DECL(tun, TUN_KEXT_VERSION) - -} - diff --git a/mac-tap/tuntap/src/tun/tun.cc b/mac-tap/tuntap/src/tun/tun.cc deleted file mode 100644 index 91694388..00000000 --- a/mac-tap/tuntap/src/tun/tun.cc +++ /dev/null @@ -1,424 +0,0 @@ -/* - * ip tunnel device for MacOSX. - * - * tun_interface class definition - */ -/* - * Copyright (c) 2011 Mattias Nissler <mattias.nissler@gmx.de> - * - * Redistribution and use in source and binary forms, with or without modification, are permitted - * provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, this list of - * conditions and the following disclaimer in the documentation and/or other materials provided - * with the distribution. - * 3. The name of the author may not be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "tun.h" - -extern "C" { - -#include <sys/syslog.h> -#include <sys/param.h> - -#include <net/if_types.h> -#include <net/kpi_protocol.h> - -#include <netinet/ip.h> - -} - -#if 0 -#define dprintf(...) log(LOG_INFO, __VA_ARGS__) -#else -#define dprintf(...) -#endif - -/* members */ -bool -tun_interface::initialize(unsigned short major, unsigned short unit) -{ - this->unit = unit; - this->family_name = TUN_FAMILY_NAME; - this->family = IFNET_FAMILY_TUN; - this->type = IFT_OTHER; - bzero(unique_id, UIDLEN); - snprintf(unique_id, UIDLEN, "%s%d", family_name, unit); - - dprintf("tun: starting interface %s%d\n", family_name, unit); - - /* register character device */ - if (!tuntap_interface::register_chardev(major)) - return false; - - return true; -} - -void -tun_interface::shutdown() -{ - dprintf("tun: shutting down interface %s%d\n", family_name, unit); - - unregister_chardev(); -} - -int -tun_interface::initialize_interface() -{ - prepend_af = false; - - /* register interface */ - if (!tuntap_interface::register_interface(NULL, NULL, 0)) - return EIO; - - /* set mtu */ - ifnet_set_mtu(ifp, TUN_MTU); - /* set header length */ - ifnet_set_hdrlen(ifp, 0); - /* add the pointopoint flag */ - ifnet_set_flags(ifp, IFF_POINTOPOINT, IFF_POINTOPOINT); - - /* we must call bpfattach(). Otherwise we deadlock BPF while unloading. Seems to be a bug in - * the kernel, see bpfdetach() in net/bpf.c, it will return without releasing the lock if - * the interface wasn't attached. I wonder what they were smoking while writing it ;-) - */ - bpfattach(ifp, DLT_NULL, sizeof(u_int32_t)); - - return 0; -} - -void -tun_interface::shutdown_interface() -{ - dprintf("tun: shutting down network interface of %s%d\n", family_name, unit); - - /* detach all protocols */ - for (unsigned int i = 0; i < MAX_ATTACHED_PROTOS; i++) { - if (attached_protos[i].used) { - errno_t err = ifnet_detach_protocol(ifp, attached_protos[i].proto); - if (err) - log(LOG_WARNING, "tun: could not detach protocol %d from %s%d\n", - attached_protos[i].proto, family_name, unit); - } - } - - cleanup_interface(); - unregister_interface(); -} - -void -tun_interface::notify_bpf(mbuf_t mb, bool out) -{ - auto_lock l(&bpf_lock); - - if ((out && bpf_mode == BPF_MODE_OUTPUT) - || (!out && bpf_mode == BPF_MODE_INPUT) - || (bpf_mode == BPF_MODE_INPUT_OUTPUT)) { - /* see wether AF is prepended */ - if (!prepend_af) { - mbuf_t dummy_mb; - struct ip *iphdr; - u_int32_t af; - u_int8_t ipv; - errno_t err; - - /* see what we have: IPv4 or IPv6 */ - iphdr = (struct ip*) mbuf_data(mb); -#ifdef _IP_VHL - ipv = IP_VHL_V(iphdr->ip_vhl); -#else - ipv = iphdr->ip_v; -#endif - if (ipv == 4) - af = AF_INET; - else if (ipv == 6) - af = AF_INET6; - else { - /* what to do? */ - log(LOG_WARNING, "tun: unsupported IP version %d.\n", ipv); - return; - } - - /* prepend a dummy header */ - err = mbuf_get(MBUF_WAITOK, MBUF_TYPE_DATA, &dummy_mb); - if (err) { - log(LOG_WARNING, "tun: could not allocate temporary mbuf: %d\n", - err); - return; - } - - mbuf_setnext(dummy_mb, mb); - mbuf_setlen(dummy_mb, sizeof(u_int32_t)); - *((u_int32_t *) mbuf_data(dummy_mb)) = htonl(af); - - /* call bpf */ - (*bpf_callback)(ifp, dummy_mb); - - /* free the dummy mbuf */ - mbuf_free(dummy_mb); - } else { - /* just pass it through */ - (*bpf_callback)(ifp, mb); - } - } -} - -int -tun_interface::cdev_ioctl(u_long cmd, caddr_t data, int fflag, proc_t p) -{ - int error; - - /* if the superclass handles it, we're done */ - error = tuntap_interface::cdev_ioctl(cmd, data, fflag, p); - if (!error) - return 0; - - switch (cmd) { - case TUNSIFHEAD: - prepend_af = *((int *) data) ? true : false; - /* adjust header length. see tuntap_interface::cdev_write */ - ifnet_set_hdrlen(ifp, prepend_af ? sizeof(u_int32_t) : 0); - return 0; - case TUNGIFHEAD: - *((int *) data) = prepend_af; - return 0; - } - - return ENOTTY; -} - -errno_t -tun_interface::if_demux(mbuf_t m, char *header, protocol_family_t *proto) -{ - u_int32_t family; - - dprintf("tun: demux\n"); - - /* size check */ - if (mbuf_len(m) < sizeof(u_int32_t)) - return ENOENT; - - /* if we are prepending AF for output, we expect to also have it at the beginning of - * incoming packets */ - if (!prepend_af) { - struct ip *iphdr = (struct ip*) mbuf_data(m); - u_int8_t ipv; - - dprintf("tun_demux: m: %p data: %p\n", m, mbuf_data(m)); - -#ifdef _IPVHL - ipv = IP_VHL_V(iphdr->ip_vhl); -#else - ipv = iphdr->ip_v; -#endif - - if (ipv == 4) - family = AF_INET; - else if (ipv == 6) - family = AF_INET6; - else { - /* what to do? */ - log(LOG_WARNING, "tun: unsupported IP version %d\n", ipv); - return ENOENT; - } - } else { - family = ntohl(*((u_int32_t *) header)); - } - - /* find the protocol entry */ - for (unsigned int i = 0; i < MAX_ATTACHED_PROTOS; i++) { - if (attached_protos[i].used && attached_protos[i].family == family) { - *proto = attached_protos[i].proto; - return 0; - } - } - - log(LOG_WARNING, "tun: no protocol found for family %d\n", family); - - return ENOENT; -} - -errno_t -tun_interface::if_framer(mbuf_t *m, const struct sockaddr *dest, const char *dest_linkaddr, - const char *frame_type) -{ - dprintf("tun: framer\n"); - - /* check whether to prepend family field */ - if (prepend_af) { - errno_t err; - mbuf_t nm = *m; - - /* get space */ - err = mbuf_prepend(&nm, sizeof(u_int32_t), MBUF_WAITOK); - if (err) { - dprintf("tun: could not prepend data to mbuf: %d\n", err); - return err; - } - *m = nm; - - *((u_int32_t *) mbuf_data(*m)) = htonl(dest->sa_family); - } - - return 0; -} - -errno_t -tun_interface::if_add_proto(protocol_family_t proto, const struct ifnet_demux_desc *desc, - u_int32_t ndesc) -{ - errno_t err; - - dprintf("tun: if_add_proto proto %d\n", proto); - - for (unsigned int i = 0; i < ndesc; i++) { - /* try to add the protocol */ - err = add_one_proto(proto, desc[i]); - if (err != 0) { - /* if that fails, remove everything stored so far */ - if_del_proto(proto); - return err; - } - } - - return 0; -} - -errno_t -tun_interface::if_del_proto(protocol_family_t proto) -{ - dprintf("tun: if_del_proto proto %d\n", proto); - - /* delete all matching entries in attached_protos */ - for (unsigned int i = 0; i < MAX_ATTACHED_PROTOS; i++) { - if (attached_protos[i].proto == proto) - attached_protos[i].used = false; - } - - return 0; -} - -errno_t -tun_interface::if_check_multi(const struct sockaddr *maddr) -{ - dprintf("tun: check_multi family %d\n", maddr->sa_family); - - /* see whether it is an IPv4 multicast address */ - if (maddr->sa_family == AF_INET) { - struct sockaddr_in *imaddr = (struct sockaddr_in *) maddr; - - if (IN_MULTICAST(ntohl(imaddr->sin_addr.s_addr))) - return 0; - else - return EADDRNOTAVAIL; - } else if (maddr->sa_family == AF_INET6) { - struct sockaddr_in6 *imaddr = (struct sockaddr_in6 *) maddr; - - if (IN6_IS_ADDR_MULTICAST(&imaddr->sin6_addr)) - return 0; - else - return EADDRNOTAVAIL; - } - - return EOPNOTSUPP; -} - -errno_t -tun_interface::add_one_proto(protocol_family_t proto, const struct ifnet_demux_desc &dd) -{ - int free = -1; - - /* see if the protocol is already registered */ - for (unsigned int i = 0; i < MAX_ATTACHED_PROTOS; i++) { - if (attached_protos[i].used) { - if (dd.type == attached_protos[i].family) { - /* already registered */ - if (attached_protos[i].proto == proto) { - /* matches the old entry */ - return 0; - } else - return EEXIST; - } - } else if (free == -1) - free = i; - } - - /* did we find a free entry? */ - if (free == -1) - /* is ENOBUFS correct? */ - return ENOBUFS; - - dprintf("tun: adding proto family %d proto %d\n", dd.type, proto); - - /* ok, save information */ - attached_protos[free].used = true; - attached_protos[free].family = dd.type; - attached_protos[free].proto = proto; - - return 0; -} - -/* tun_manager members */ -tuntap_interface * -tun_manager::create_interface() -{ - return new tun_interface(); -} - -bool -tun_manager::shutdown() -{ - if (tuntap_inited) { - if (tuntap_manager::shutdown()) - tuntap_inited = false; - else - return false; - } - - /* unregister INET and INET6 protocol families */ - proto_unregister_plumber(PF_INET, IFNET_FAMILY_TUN); - proto_unregister_plumber(PF_INET6, IFNET_FAMILY_TUN); - - return true; -} - -bool -tun_manager::initialize(unsigned int count, char *family) -{ - errno_t err; - - tuntap_inited = false; - - /* register INET and INET6 protocol families */ - err = proto_register_plumber(PF_INET, IFNET_FAMILY_TUN, tun_inet_attach, tun_inet_detach); - if (err) { - log(LOG_ERR, "tun: could not register PF_INET protocol family: %d\n", err); - return false; - } - - err = proto_register_plumber(PF_INET6, IFNET_FAMILY_TUN, tun_inet6_attach, - tun_inet6_detach); - if (err) { - log(LOG_ERR, "tun: could not register PF_INET6 protocol family: %d\n", err); - return false; - } - - tuntap_inited = true; - - /* have the superclass handle the rest */ - return tuntap_manager::initialize(count, family); -} - diff --git a/mac-tap/tuntap/src/tun/tun.h b/mac-tap/tuntap/src/tun/tun.h deleted file mode 100644 index 8546dc8f..00000000 --- a/mac-tap/tuntap/src/tun/tun.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * ip tunnel device for MacOSX. - */ -/* - * Copyright (c) 2011 Mattias Nissler <mattias.nissler@gmx.de> - * - * Redistribution and use in source and binary forms, with or without modification, are permitted - * provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, this list of - * conditions and the following disclaimer in the documentation and/or other materials provided - * with the distribution. - * 3. The name of the author may not be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __TUN_H__ -#define __TUN_H__ - -#include "tuntap.h" - -#define TUN_FAMILY_NAME ((char *) "tun") -#define TUN_IF_COUNT 16 /* max number of tun interfaces */ -#define TUN_MTU 1500 - -#include "tun_ioctls.h" - -extern "C" { - -errno_t tun_inet_attach(ifnet_t ifp, protocol_family_t proto); -void tun_inet_detach(ifnet_t ifp, protocol_family_t proto); -errno_t tun_inet6_attach(ifnet_t ifp, protocol_family_t proto); -void tun_inet6_detach(ifnet_t ifp, protocol_family_t proto); - -} - -/* tun_manager */ -class tun_manager : public tuntap_manager { - - protected: - /* create an interface */ - virtual tuntap_interface *create_interface(); - - /* whether we need to call tuntap_manager::shutdown() */ - bool tuntap_inited; - - public: - /* special initalize */ - virtual bool initialize(unsigned int count, char *family); - - /* special shutdown */ - virtual bool shutdown(); - -}; - -/* the tun network interface */ -class tun_interface : public tuntap_interface { - - protected: - /* maximum number of protocols that can be attached */ - static const unsigned int MAX_ATTACHED_PROTOS = 8; - - /* information about attached protocols for demuxing is stored here */ - struct { - /* whether this entry is used */ - bool used; - /* protocol family (this is equal to proto, but keep it seperated from - * Apple's KPI stuff...) */ - u_int32_t family; - /* protocol passed to add_proto */ - protocol_family_t proto; - } attached_protos[MAX_ATTACHED_PROTOS]; - - /* whether the address family field is prepended to each packet */ - bool prepend_af; - - /* intializes the interface */ - virtual bool initialize(unsigned short major, unsigned short int unit); - - /* shutdown the interface */ - virtual void shutdown(); - - /* called when the character device is opened in order to intialize the network - * interface. - */ - virtual int initialize_interface(); - /* called when the character device is closed to shutdown the network interface */ - virtual void shutdown_interface(); - - /* override interface routines */ - virtual errno_t if_demux(mbuf_t m, char *header, protocol_family_t *proto); - virtual errno_t if_framer(mbuf_t *m, const struct sockaddr *dest, - const char *dest_linkaddr, const char *frame_type); - virtual errno_t if_add_proto(protocol_family_t proto, - const struct ifnet_demux_desc *desc, u_int32_t ndesc); - virtual errno_t if_del_proto(protocol_family_t proto); - virtual errno_t if_check_multi(const struct sockaddr *maddr); - - /* helper to if_add_proto */ - virtual errno_t add_one_proto(protocol_family_t proto, - const struct ifnet_demux_desc &dd); - - /* override notify_bpf because we might need to prepend an address header */ - virtual void notify_bpf(mbuf_t mb, bool out); - - /* need to override cdev_ioctl to get our special ioctls */ - virtual int cdev_ioctl(u_long cmd, caddr_t data, int fflag, proc_t p); - -}; - -#endif /* __TUN_H__ */ - diff --git a/mac-tap/tuntap/src/tun/tun_inet6_proto.c b/mac-tap/tuntap/src/tun/tun_inet6_proto.c deleted file mode 100644 index 4461d4d9..00000000 --- a/mac-tap/tuntap/src/tun/tun_inet6_proto.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * ip tunnel device for MacOSX. This is the protocol module for PF_INET. - */ -/* - * Copyright (c) 2011 Mattias Nissler <mattias.nissler@gmx.de> - * - * Redistribution and use in source and binary forms, with or without modification, are permitted - * provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, this list of - * conditions and the following disclaimer in the documentation and/or other materials provided - * with the distribution. - * 3. The name of the author may not be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/kpi_mbuf.h> -#include <sys/socket.h> -#include <sys/errno.h> -#include <sys/param.h> - -#include <net/kpi_protocol.h> -#include <net/kpi_interface.h> - -static errno_t -tun_inet6_input(ifnet_t ifp, protocol_family_t protocol, mbuf_t m, char *header) -{ - /* input the packet */ - return proto_input(PF_INET6, m); -} - -static errno_t -tun_inet6_pre_output(ifnet_t ifp, protocol_family_t proto, mbuf_t *packet, - const struct sockaddr *dest, void *route, char *frame_type, char *dst_addr) -{ - - /* check wether the destination address is an inet address */ - if (dest->sa_family != AF_INET6) - return EAFNOSUPPORT; - - /* place the address family as frame type */ - *((uint32_t *) frame_type) = htonl(AF_INET6); - - return 0; -} - -errno_t -tun_inet6_attach(ifnet_t ifp, protocol_family_t proto) -{ - struct ifnet_attach_proto_param pr; - struct ifnet_demux_desc ddesc[1]; - - /* fill out pr and attach the protocol */ - ddesc[0].type = AF_INET6; - ddesc[0].data = NULL; - ddesc[0].datalen = 0; - pr.demux_array = ddesc; - pr.demux_count = 1; - pr.input = tun_inet6_input; - pr.pre_output = tun_inet6_pre_output; - pr.event = NULL; - pr.ioctl = NULL; - pr.detached = NULL; - pr.resolve = NULL; - pr.send_arp = NULL; - - return ifnet_attach_protocol(ifp, proto, &pr); -} - -void -tun_inet6_detach(ifnet_t ifp, protocol_family_t proto) -{ - /* just detach the protocol */ - ifnet_detach_protocol(ifp, proto); -} - diff --git a/mac-tap/tuntap/src/tun/tun_inet_proto.c b/mac-tap/tuntap/src/tun/tun_inet_proto.c deleted file mode 100644 index 38ecd26b..00000000 --- a/mac-tap/tuntap/src/tun/tun_inet_proto.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * ip tunnel device for MacOSX. This is the protocol module for PF_INET. - */ -/* - * Copyright (c) 2011 Mattias Nissler <mattias.nissler@gmx.de> - * - * Redistribution and use in source and binary forms, with or without modification, are permitted - * provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, this list of - * conditions and the following disclaimer in the documentation and/or other materials provided - * with the distribution. - * 3. The name of the author may not be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/kpi_mbuf.h> -#include <sys/socket.h> -#include <sys/errno.h> -#include <sys/param.h> - -#include <net/kpi_protocol.h> -#include <net/kpi_interface.h> - -static errno_t -tun_inet_input(ifnet_t ifp, protocol_family_t protocol, mbuf_t m, char *header) -{ - /* input the packet */ - return proto_input(PF_INET, m); -} - -static errno_t -tun_inet_pre_output(ifnet_t ifp, protocol_family_t proto, mbuf_t *packet, - const struct sockaddr *dest, void *route, char *frame_type, char *dst_addr) -{ - - /* check wether the destination address is an inet address */ - if (dest->sa_family != AF_INET) - return EAFNOSUPPORT; - - /* place the address family as frame type */ - *((uint32_t *) frame_type) = htonl(AF_INET); - - return 0; -} - -errno_t -tun_inet_attach(ifnet_t ifp, protocol_family_t proto) -{ - struct ifnet_attach_proto_param pr; - struct ifnet_demux_desc ddesc[1]; - - /* fill out pr and attach the protocol */ - ddesc[0].type = AF_INET; - ddesc[0].data = NULL; - ddesc[0].datalen = 0; - pr.demux_array = ddesc; - pr.demux_count = 1; - pr.input = tun_inet_input; - pr.pre_output = tun_inet_pre_output; - pr.event = NULL; - pr.ioctl = NULL; - pr.detached = NULL; - pr.resolve = NULL; - pr.send_arp = NULL; - - return ifnet_attach_protocol(ifp, proto, &pr); -} - -void -tun_inet_detach(ifnet_t ifp, protocol_family_t proto) -{ - /* just detach the protocol */ - ifnet_detach_protocol(ifp, proto); -} - diff --git a/mac-tap/tuntap/src/tun/tun_ioctls.h b/mac-tap/tuntap/src/tun/tun_ioctls.h deleted file mode 100644 index 13501e53..00000000 --- a/mac-tap/tuntap/src/tun/tun_ioctls.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * ip tunnel device for MacOSX. - */ -/* - * Copyright (c) 2011 Mattias Nissler <mattias.nissler@gmx.de> - * - * Redistribution and use in source and binary forms, with or without modification, are permitted - * provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, this list of - * conditions and the following disclaimer in the documentation and/or other materials provided - * with the distribution. - * 3. The name of the author may not be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __TUN_IOCTLS_H__ -#define __TUN_IOCTLS_H__ - -/* Tun supports prepending a four byte address family field to each packet. These ioctls allow you - * to switch it on/off. Pass 1 as parameter to switch it on, pass 0 for off. - */ -#define TUNSIFHEAD _IOW('t', 96, int) -#define TUNGIFHEAD _IOR('t', 97, int) - -#endif /* __TUN_IOCTLS_H__ */ - |