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Allow setting DeviceType to tun or tap on Linux.

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This commit is contained in:
Guus Sliepen 2012-02-18 14:37:52 +01:00
parent 6455654d26
commit 3b1fad04de
4 changed files with 23 additions and 17 deletions
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14
src/linux/device.c
View file

@ -1,7 +1,7 @@
/*
device.c -- Interaction with Linux ethertap and tun/tap device
Copyright (C) 2001-2005 Ivo Timmermans,
2001-2011 Guus Sliepen <guus@tinc-vpn.org>
2001-2012 Guus Sliepen <guus@tinc-vpn.org>
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
@ -45,6 +45,7 @@ int device_fd = -1;
static device_type_t device_type;
char *device = NULL;
char *iface = NULL;
static char *type = NULL;
static char ifrname[IFNAMSIZ];
static char *device_info;
@ -76,7 +77,15 @@ static bool setup_device(void) {
/* Ok now check if this is an old ethertap or a new tun/tap thingie */
memset(&ifr, 0, sizeof(ifr));
if(routing_mode == RMODE_ROUTER) {
get_config_string(lookup_config(config_tree, "DeviceType"), &type);
if(type && strcasecmp(type, "tun") && strcasecmp(type, "tap")) {
logger(LOG_ERR, "Unknown device type %s!", type);
return false;
}
if((type && !strcasecmp(type, "tun")) || (!type && routing_mode == RMODE_ROUTER)) {
ifr.ifr_flags = IFF_TUN;
device_type = DEVICE_TYPE_TUN;
device_info = "Linux tun/tap device (tun mode)";
@ -124,6 +133,7 @@ static bool setup_device(void) {
static void close_device(void) {
close(device_fd);
free(type);
free(device);
free(iface);
}

10
src/net_setup.c
View file

@ -1,7 +1,7 @@
/*
net_setup.c -- Setup.
Copyright (C) 1998-2005 Ivo Timmermans,
2000-2011 Guus Sliepen <guus@tinc-vpn.org>
2000-2012 Guus Sliepen <guus@tinc-vpn.org>
2006 Scott Lamb <slamb@slamb.org>
2010 Brandon Black <blblack@gmail.com>
@ -540,6 +540,8 @@ static bool setup_myself(void) {
/* Open device */
devops = os_devops;
if(get_config_string(lookup_config(config_tree, "DeviceType"), &type)) {
if(!strcasecmp(type, "dummy"))
devops = dummy_devops;
@ -553,12 +555,6 @@ static bool setup_myself(void) {
else if(!strcasecmp(type, "vde"))
devops = vde_devops;
#endif
else {
logger(LOG_ERR, "Unknown device type %s!", type);
return false;
}
} else {
devops = os_devops;
}
if(!devops.setup())