X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Flinux%2Fdevice.c;h=3b3b439df034c4364f0cd0e2b162c1c805242200;hb=e70b5b5bd77bb66e8dd324c17d86d9bff151aa82;hp=ede681987c18b3b333ed3ae6ac7f9e9272fbfff8;hpb=268c8545aaf83b7433f43402f5c77e39e20006ef;p=meshlink diff --git a/src/linux/device.c b/src/linux/device.c index ede68198..3b3b439d 100644 --- a/src/linux/device.c +++ b/src/linux/device.c @@ -1,7 +1,7 @@ /* device.c -- Interaction with Linux ethertap and tun/tap device Copyright (C) 2001-2005 Ivo Timmermans, - 2001-2012 Guus Sliepen + 2001-2013 Guus Sliepen 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 @@ -18,19 +18,20 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include "system.h" +#include "../system.h" #include #define DEFAULT_DEVICE "/dev/net/tun" -#include "conf.h" -#include "device.h" -#include "logger.h" -#include "net.h" -#include "route.h" -#include "utils.h" -#include "xalloc.h" -#include "device.h" +#include "../conf.h" +#include "../device.h" +#include "../logger.h" +#include "../names.h" +#include "../net.h" +#include "../route.h" +#include "../utils.h" +#include "../xalloc.h" +#include "../device.h" typedef enum device_type_t { DEVICE_TYPE_TUN, @@ -55,12 +56,9 @@ static bool setup_device(void) { device = xstrdup(DEFAULT_DEVICE); if(!get_config_string(lookup_config(config_tree, "Interface"), &iface)) -#ifdef HAVE_LINUX_IF_TUN_H - if (netname != NULL) + if(netname) iface = xstrdup(netname); -#else - iface = xstrdup(strrchr(device, '/') ? strrchr(device, '/') + 1 : device); -#endif + device_fd = open(device, O_RDWR | O_NONBLOCK); if(device_fd < 0) { @@ -104,12 +102,7 @@ static bool setup_device(void) { if(!ioctl(device_fd, TUNSETIFF, &ifr)) { strncpy(ifrname, ifr.ifr_name, IFNAMSIZ); - if(iface) free(iface); - iface = xstrdup(ifrname); - } else if(!ioctl(device_fd, (('T' << 8) | 202), &ifr)) { - logger(DEBUG_ALWAYS, LOG_WARNING, "Old ioctl() request was needed for %s", device); - strncpy(ifrname, ifr.ifr_name, IFNAMSIZ); - if(iface) free(iface); + free(iface); iface = xstrdup(ifrname); } @@ -128,7 +121,7 @@ static void close_device(void) { static bool read_packet(vpn_packet_t *packet) { int inlen; - + switch(device_type) { case DEVICE_TYPE_TUN: inlen = read(device_fd, packet->data + 10, MTU - 10); @@ -139,6 +132,7 @@ static bool read_packet(vpn_packet_t *packet) { return false; } + memset(packet->data, 0, 12); packet->len = inlen + 10; break; case DEVICE_TYPE_TAP: