Import Upstream version 1.0.33
This commit is contained in:
Guus Sliepen
parent
e0e55285b8
commit
5969674c46
109 changed files with 5599 additions and 5444 deletions
423
src/bsd/device.c
423
src/bsd/device.c
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@ -55,7 +55,7 @@ typedef enum device_type {
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int device_fd = -1;
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char *device = NULL;
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char *iface = NULL;
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static char *device_info = NULL;
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static const char *device_info = "OS X utun device";
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static uint64_t device_total_in = 0;
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static uint64_t device_total_out = 0;
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#if defined(ENABLE_TUNEMU)
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@ -69,13 +69,15 @@ static device_type_t device_type = DEVICE_TYPE_TUN;
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#ifdef HAVE_NET_IF_UTUN_H
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static bool setup_utun(void) {
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device_fd = socket(PF_SYSTEM, SOCK_DGRAM, SYSPROTO_CONTROL);
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if(device_fd == -1) {
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logger(LOG_ERR, "Could not open PF_SYSTEM socket: %s\n", strerror(errno));
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return false;
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}
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struct ctl_info info = {};
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strlcpy(info.ctl_name, UTUN_CONTROL_NAME, sizeof info.ctl_name);
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strlcpy(info.ctl_name, UTUN_CONTROL_NAME, sizeof(info.ctl_name));
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if(ioctl(device_fd, CTLIOCGINFO, &info) == -1) {
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logger(LOG_ERR, "ioctl(CTLIOCGINFO) failed: %s", strerror(errno));
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@ -84,15 +86,18 @@ static bool setup_utun(void) {
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int unit = -1;
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char *p = strstr(device, "utun"), *e = NULL;
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if(p) {
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unit = strtol(p + 4, &e, 10);
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if(!e)
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if(!e) {
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unit = -1;
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}
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}
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struct sockaddr_ctl sc = {
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.sc_id = info.ctl_id,
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.sc_len = sizeof sc,
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.sc_len = sizeof(sc),
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.sc_family = AF_SYSTEM,
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.ss_sysaddr = AF_SYS_CONTROL,
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.sc_unit = unit + 1,
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@ -104,15 +109,14 @@ static bool setup_utun(void) {
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}
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char name[64] = "";
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socklen_t len = sizeof name;
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socklen_t len = sizeof(name);
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if(getsockopt(device_fd, SYSPROTO_CONTROL, UTUN_OPT_IFNAME, name, &len)) {
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iface = xstrdup(device);
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} else {
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iface = xstrdup(name);
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}
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device_info = "OS X utun device";
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logger(LOG_INFO, "%s is a %s", device, device_info);
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return true;
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@ -123,10 +127,11 @@ static bool setup_device(void) {
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// Find out which device file to open
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if(!get_config_string(lookup_config(config_tree, "Device"), &device)) {
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if(routing_mode == RMODE_ROUTER)
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if(routing_mode == RMODE_ROUTER) {
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device = xstrdup(DEFAULT_TUN_DEVICE);
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else
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} else {
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device = xstrdup(DEFAULT_TAP_DEVICE);
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}
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}
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// Find out if it's supposed to be a tun or a tap device
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@ -135,33 +140,40 @@ static bool setup_device(void) {
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if(get_config_string(lookup_config(config_tree, "DeviceType"), &type)) {
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if(!strcasecmp(type, "tun"))
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/* use default */;
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/* use default */;
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#ifdef ENABLE_TUNEMU
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else if(!strcasecmp(type, "tunemu"))
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else if(!strcasecmp(type, "tunemu")) {
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device_type = DEVICE_TYPE_TUNEMU;
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}
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#endif
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#ifdef HAVE_NET_IF_UTUN_H
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else if(!strcasecmp(type, "utun"))
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else if(!strcasecmp(type, "utun")) {
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device_type = DEVICE_TYPE_UTUN;
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}
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#endif
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else if(!strcasecmp(type, "tunnohead"))
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else if(!strcasecmp(type, "tunnohead")) {
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device_type = DEVICE_TYPE_TUN;
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else if(!strcasecmp(type, "tunifhead"))
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} else if(!strcasecmp(type, "tunifhead")) {
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device_type = DEVICE_TYPE_TUNIFHEAD;
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else if(!strcasecmp(type, "tap"))
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} else if(!strcasecmp(type, "tap")) {
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device_type = DEVICE_TYPE_TAP;
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else {
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} else {
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logger(LOG_ERR, "Unknown device type %s!", type);
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return false;
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}
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} else {
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#ifdef HAVE_NET_IF_UTUN_H
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if(strncmp(device, "utun", 4) == 0 || strncmp(device, "/dev/utun", 9) == 0)
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if(strncmp(device, "utun", 4) == 0 || strncmp(device, "/dev/utun", 9) == 0) {
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device_type = DEVICE_TYPE_UTUN;
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else
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} else
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#endif
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if(strstr(device, "tap") || routing_mode != RMODE_ROUTER)
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device_type = DEVICE_TYPE_TAP;
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if(strstr(device, "tap") || routing_mode != RMODE_ROUTER) {
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device_type = DEVICE_TYPE_TAP;
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}
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}
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if(routing_mode == RMODE_SWITCH && device_type != DEVICE_TYPE_TAP) {
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@ -173,18 +185,21 @@ static bool setup_device(void) {
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switch(device_type) {
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#ifdef ENABLE_TUNEMU
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case DEVICE_TYPE_TUNEMU: {
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char dynamic_name[256] = "";
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device_fd = tunemu_open(dynamic_name);
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}
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break;
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case DEVICE_TYPE_TUNEMU: {
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char dynamic_name[256] = "";
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device_fd = tunemu_open(dynamic_name);
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}
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break;
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#endif
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#ifdef HAVE_NET_IF_UTUN_H
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case DEVICE_TYPE_UTUN:
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return setup_utun();
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case DEVICE_TYPE_UTUN:
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return setup_utun();
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#endif
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default:
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device_fd = open(device, O_RDWR | O_NONBLOCK);
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default:
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device_fd = open(device, O_RDWR | O_NONBLOCK);
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}
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if(device_fd < 0) {
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@ -204,87 +219,108 @@ static bool setup_device(void) {
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realname = fdevname(device_fd);
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#elif defined(HAVE_DEVNAME)
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struct stat buf;
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if(!fstat(device_fd, &buf))
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if(!fstat(device_fd, &buf)) {
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realname = devname(buf.st_rdev, S_IFCHR);
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}
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#endif
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if(!realname)
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if(!realname) {
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realname = device;
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}
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if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
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if(!get_config_string(lookup_config(config_tree, "Interface"), &iface)) {
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iface = xstrdup(strrchr(realname, '/') ? strrchr(realname, '/') + 1 : realname);
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else if(strcmp(iface, strrchr(realname, '/') ? strrchr(realname, '/') + 1 : realname))
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} else if(strcmp(iface, strrchr(realname, '/') ? strrchr(realname, '/') + 1 : realname)) {
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logger(LOG_WARNING, "Warning: Interface does not match Device. $INTERFACE might be set incorrectly.");
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}
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// Configure the device as best as we can
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switch(device_type) {
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default:
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device_type = DEVICE_TYPE_TUN;
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case DEVICE_TYPE_TUN:
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default:
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device_type = DEVICE_TYPE_TUN;
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case DEVICE_TYPE_TUN:
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#ifdef TUNSIFHEAD
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{
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{
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const int zero = 0;
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if(ioctl(device_fd, TUNSIFHEAD, &zero, sizeof zero) == -1) {
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if(ioctl(device_fd, TUNSIFHEAD, &zero, sizeof(zero)) == -1) {
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logger(LOG_ERR, "System call `%s' failed: %s", "ioctl", strerror(errno));
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return false;
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}
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}
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#endif
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#if defined(TUNSIFMODE) && defined(IFF_BROADCAST) && defined(IFF_MULTICAST)
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{
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const int mode = IFF_BROADCAST | IFF_MULTICAST;
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ioctl(device_fd, TUNSIFMODE, &mode, sizeof mode);
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ioctl(device_fd, TUNSIFMODE, &mode, sizeof(mode));
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}
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#endif
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device_info = "Generic BSD tun device";
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break;
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case DEVICE_TYPE_TUNIFHEAD:
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device_info = "Generic BSD tun device";
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break;
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case DEVICE_TYPE_TUNIFHEAD:
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#ifdef TUNSIFHEAD
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{
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const int one = 1;
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if(ioctl(device_fd, TUNSIFHEAD, &one, sizeof one) == -1) {
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if(ioctl(device_fd, TUNSIFHEAD, &one, sizeof(one)) == -1) {
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logger(LOG_ERR, "System call `%s' failed: %s", "ioctl", strerror(errno));
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return false;
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}
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}
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#endif
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#if defined(TUNSIFMODE) && defined(IFF_BROADCAST) && defined(IFF_MULTICAST)
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{
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const int mode = IFF_BROADCAST | IFF_MULTICAST;
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ioctl(device_fd, TUNSIFMODE, &mode, sizeof mode);
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const int mode = IFF_BROADCAST | IFF_MULTICAST;
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ioctl(device_fd, TUNSIFMODE, &mode, sizeof(mode));
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}
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#endif
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device_info = "Generic BSD tun device";
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break;
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case DEVICE_TYPE_TAP:
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if(routing_mode == RMODE_ROUTER)
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overwrite_mac = true;
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device_info = "Generic BSD tap device";
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device_info = "Generic BSD tun device";
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break;
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case DEVICE_TYPE_TAP:
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if(routing_mode == RMODE_ROUTER) {
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overwrite_mac = true;
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}
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device_info = "Generic BSD tap device";
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#ifdef TAPGIFNAME
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{
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struct ifreq ifr;
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if(ioctl(device_fd, TAPGIFNAME, (void*)&ifr) == 0) {
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if(iface)
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free(iface);
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iface = xstrdup(ifr.ifr_name);
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{
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struct ifreq ifr;
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if(ioctl(device_fd, TAPGIFNAME, (void *)&ifr) == 0) {
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if(iface) {
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free(iface);
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}
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iface = xstrdup(ifr.ifr_name);
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}
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}
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#endif
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break;
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break;
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#ifdef ENABLE_TUNEMU
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case DEVICE_TYPE_TUNEMU:
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device_info = "BSD tunemu device";
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break;
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case DEVICE_TYPE_TUNEMU:
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device_info = "BSD tunemu device";
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break;
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#endif
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}
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#ifdef SIOCGIFADDR
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if(overwrite_mac)
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if(overwrite_mac) {
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ioctl(device_fd, SIOCGIFADDR, mymac.x);
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}
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#endif
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logger(LOG_INFO, "%s is a %s", device, device_info);
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@ -295,12 +331,14 @@ static bool setup_device(void) {
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static void close_device(void) {
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switch(device_type) {
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#ifdef ENABLE_TUNEMU
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case DEVICE_TYPE_TUNEMU:
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tunemu_close(device_fd);
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break;
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case DEVICE_TYPE_TUNEMU:
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tunemu_close(device_fd);
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break;
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#endif
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default:
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close(device_fd);
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default:
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close(device_fd);
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}
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free(device);
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@ -311,154 +349,165 @@ static bool read_packet(vpn_packet_t *packet) {
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int lenin;
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switch(device_type) {
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case DEVICE_TYPE_TUN:
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case DEVICE_TYPE_TUN:
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#ifdef ENABLE_TUNEMU
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case DEVICE_TYPE_TUNEMU:
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if(device_type == DEVICE_TYPE_TUNEMU)
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lenin = tunemu_read(device_fd, packet->data + 14, MTU - 14);
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else
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case DEVICE_TYPE_TUNEMU:
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if(device_type == DEVICE_TYPE_TUNEMU) {
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lenin = tunemu_read(device_fd, packet->data + 14, MTU - 14);
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} else
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#endif
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lenin = read(device_fd, packet->data + 14, MTU - 14);
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lenin = read(device_fd, packet->data + 14, MTU - 14);
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if(lenin <= 0) {
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logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
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device, strerror(errno));
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return false;
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}
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switch(packet->data[14] >> 4) {
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case 4:
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packet->data[12] = 0x08;
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packet->data[13] = 0x00;
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break;
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case 6:
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packet->data[12] = 0x86;
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packet->data[13] = 0xDD;
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break;
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default:
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ifdebug(TRAFFIC) logger(LOG_ERR,
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"Unknown IP version %d while reading packet from %s %s",
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packet->data[14] >> 4, device_info, device);
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return false;
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}
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memset(packet->data, 0, 12);
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packet->len = lenin + 14;
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break;
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case DEVICE_TYPE_UTUN:
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case DEVICE_TYPE_TUNIFHEAD: {
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if((lenin = read(device_fd, packet->data + 10, MTU - 10)) <= 0) {
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logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
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device, strerror(errno));
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return false;
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}
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switch(packet->data[14] >> 4) {
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case 4:
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packet->data[12] = 0x08;
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packet->data[13] = 0x00;
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break;
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case 6:
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packet->data[12] = 0x86;
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packet->data[13] = 0xDD;
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break;
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default:
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ifdebug(TRAFFIC) logger(LOG_ERR,
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"Unknown IP version %d while reading packet from %s %s",
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packet->data[14] >> 4, device_info, device);
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return false;
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}
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memset(packet->data, 0, 12);
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packet->len = lenin + 10;
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break;
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if(lenin <= 0) {
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logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
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device, strerror(errno));
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return false;
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}
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case DEVICE_TYPE_TAP:
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if((lenin = read(device_fd, packet->data, MTU)) <= 0) {
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logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
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device, strerror(errno));
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return false;
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}
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switch(packet->data[14] >> 4) {
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case 4:
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packet->data[12] = 0x08;
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packet->data[13] = 0x00;
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break;
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packet->len = lenin;
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case 6:
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packet->data[12] = 0x86;
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packet->data[13] = 0xDD;
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break;
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default:
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ifdebug(TRAFFIC) logger(LOG_ERR,
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"Unknown IP version %d while reading packet from %s %s",
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packet->data[14] >> 4, device_info, device);
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return false;
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}
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memset(packet->data, 0, 12);
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packet->len = lenin + 14;
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break;
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case DEVICE_TYPE_UTUN:
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case DEVICE_TYPE_TUNIFHEAD: {
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if((lenin = read(device_fd, packet->data + 10, MTU - 10)) <= 0) {
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logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
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device, strerror(errno));
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return false;
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}
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switch(packet->data[14] >> 4) {
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case 4:
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packet->data[12] = 0x08;
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packet->data[13] = 0x00;
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break;
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case 6:
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packet->data[12] = 0x86;
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packet->data[13] = 0xDD;
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break;
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default:
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ifdebug(TRAFFIC) logger(LOG_ERR,
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"Unknown IP version %d while reading packet from %s %s",
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packet->data[14] >> 4, device_info, device);
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return false;
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}
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memset(packet->data, 0, 12);
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packet->len = lenin + 10;
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break;
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}
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case DEVICE_TYPE_TAP:
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if((lenin = read(device_fd, packet->data, MTU)) <= 0) {
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logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
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device, strerror(errno));
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return false;
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}
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packet->len = lenin;
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break;
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default:
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return false;
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}
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device_total_in += packet->len;
|
||||
|
||||
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s",
|
||||
packet->len, device_info);
|
||||
packet->len, device_info);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool write_packet(vpn_packet_t *packet) {
|
||||
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
|
||||
packet->len, device_info);
|
||||
packet->len, device_info);
|
||||
|
||||
switch(device_type) {
|
||||
case DEVICE_TYPE_TUN:
|
||||
if(write(device_fd, packet->data + 14, packet->len - 14) < 0) {
|
||||
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info,
|
||||
device, strerror(errno));
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
|
||||
case DEVICE_TYPE_UTUN:
|
||||
case DEVICE_TYPE_TUNIFHEAD: {
|
||||
int af = (packet->data[12] << 8) + packet->data[13];
|
||||
uint32_t type;
|
||||
|
||||
switch (af) {
|
||||
case 0x0800:
|
||||
type = htonl(AF_INET);
|
||||
break;
|
||||
case 0x86DD:
|
||||
type = htonl(AF_INET6);
|
||||
break;
|
||||
default:
|
||||
ifdebug(TRAFFIC) logger(LOG_ERR,
|
||||
"Unknown address family %x while writing packet to %s %s",
|
||||
af, device_info, device);
|
||||
return false;
|
||||
}
|
||||
|
||||
memcpy(packet->data + 10, &type, sizeof type);
|
||||
|
||||
if(write(device_fd, packet->data + 10, packet->len - 10) < 0) {
|
||||
logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device,
|
||||
strerror(errno));
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
case DEVICE_TYPE_TUN:
|
||||
if(write(device_fd, packet->data + 14, packet->len - 14) < 0) {
|
||||
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info,
|
||||
device, strerror(errno));
|
||||
return false;
|
||||
}
|
||||
|
||||
case DEVICE_TYPE_TAP:
|
||||
if(write(device_fd, packet->data, packet->len) < 0) {
|
||||
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info,
|
||||
device, strerror(errno));
|
||||
return false;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case DEVICE_TYPE_UTUN:
|
||||
case DEVICE_TYPE_TUNIFHEAD: {
|
||||
int af = (packet->data[12] << 8) + packet->data[13];
|
||||
uint32_t type;
|
||||
|
||||
switch(af) {
|
||||
case 0x0800:
|
||||
type = htonl(AF_INET);
|
||||
break;
|
||||
|
||||
#ifdef ENABLE_TUNEMU
|
||||
case DEVICE_TYPE_TUNEMU:
|
||||
if(tunemu_write(device_fd, packet->data + 14, packet->len - 14) < 0) {
|
||||
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info,
|
||||
device, strerror(errno));
|
||||
return false;
|
||||
}
|
||||
case 0x86DD:
|
||||
type = htonl(AF_INET6);
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
ifdebug(TRAFFIC) logger(LOG_ERR,
|
||||
"Unknown address family %x while writing packet to %s %s",
|
||||
af, device_info, device);
|
||||
return false;
|
||||
}
|
||||
|
||||
memcpy(packet->data + 10, &type, sizeof(type));
|
||||
|
||||
if(write(device_fd, packet->data + 10, packet->len - 10) < 0) {
|
||||
logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device,
|
||||
strerror(errno));
|
||||
return false;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case DEVICE_TYPE_TAP:
|
||||
if(write(device_fd, packet->data, packet->len) < 0) {
|
||||
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info,
|
||||
device, strerror(errno));
|
||||
return false;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
#ifdef ENABLE_TUNEMU
|
||||
|
||||
case DEVICE_TYPE_TUNEMU:
|
||||
if(tunemu_write(device_fd, packet->data + 14, packet->len - 14) < 0) {
|
||||
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info,
|
||||
device, strerror(errno));
|
||||
return false;
|
||||
}
|
||||
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
|
||||
device_total_out += packet->len;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue