j3d1/tinc
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Merge branch 'master' into 1.1

Browse source 
Conflicts:
	NEWS
	README
	configure.in
	have.h
	src/conf.c
	src/conf.h
	src/net.c
	src/net_packet.c
	src/protocol_key.c
	src/protocol_subnet.c
	src/route.c
	src/tincd.c
This commit is contained in:
Sven-Haegar Koch 2010-03-26 16:51:03 +01:00
commit 103543aa2c
27 changed files with 694 additions and 237 deletions
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104
src/net_setup.c
View file

@ -1,7 +1,7 @@
/*
net_setup.c -- Setup.
Copyright (C) 1998-2005 Ivo Timmermans,
2000-2009 Guus Sliepen <guus@tinc-vpn.org>
2000-2010 Guus Sliepen <guus@tinc-vpn.org>
2006 Scott Lamb <slamb@slamb.org>
This program is free software; you can redistribute it and/or modify
@ -154,6 +154,65 @@ void regenerate_key() {
event_add(&keyexpire_event, &(struct timeval){keylifetime, 0});
}
/*
Read Subnets from all host config files
*/
static void load_all_subnets(void) {
DIR *dir;
struct dirent *ent;
char *dname;
char *fname;
avl_tree_t *config_tree;
config_t *cfg;
subnet_t *s;
node_t *n;
bool result;
xasprintf(&dname, "%s/hosts", confbase);
dir = opendir(dname);
if(!dir) {
logger(LOG_ERR, "Could not open %s: %s", dname, strerror(errno));
free(dname);
return;
}
while((ent = readdir(dir))) {
if(!check_id(ent->d_name))
continue;
n = lookup_node(ent->d_name);
if(n)
continue;
#ifdef _DIRENT_HAVE_D_TYPE
//if(ent->d_type != DT_REG)
// continue;
#endif
xasprintf(&fname, "%s/hosts/%s", confbase, ent->d_name);
init_configuration(&config_tree);
result = read_config_file(config_tree, fname);
free(fname);
if(!result)
continue;
n = new_node();
n->name = xstrdup(ent->d_name);
node_add(n);
for(cfg = lookup_config(config_tree, "Subnet"); cfg; cfg = lookup_config_next(config_tree, cfg)) {
if(!get_config_subnet(cfg, &s))
continue;
subnet_add(n, s);
}
exit_configuration(&config_tree);
}
closedir(dir);
}
/*
Configure node_t myself and set up the local sockets (listen only)
*/
@ -171,8 +230,8 @@ bool setup_myself(void) {
myself->connection = new_connection();
init_configuration(&myself->connection->config_tree);
xasprintf(&myself->hostname, "MYSELF");
xasprintf(&myself->connection->hostname, "MYSELF");
myself->hostname = xstrdup("MYSELF");
myself->connection->hostname = xstrdup("MYSELF");
myself->connection->options = 0;
myself->connection->protocol_version = PROT_CURRENT;
@ -199,8 +258,9 @@ bool setup_myself(void) {
if(!read_rsa_private_key())
return false;
if(!get_config_string(lookup_config(myself->connection->config_tree, "Port"), &myport))
xasprintf(&myport, "655");
if(!get_config_string(lookup_config(config_tree, "Port"), &myport)
&& !get_config_string(lookup_config(myself->connection->config_tree, "Port"), &myport))
myport = xstrdup("655");
/* Read in all the subnets specified in the host configuration file */
@ -232,7 +292,10 @@ bool setup_myself(void) {
if(myself->options & OPTION_TCPONLY)
myself->options |= OPTION_INDIRECT;
get_config_bool(lookup_config(config_tree, "DirectOnly"), &directonly);
get_config_bool(lookup_config(config_tree, "StrictSubnets"), &strictsubnets);
get_config_bool(lookup_config(config_tree, "TunnelServer"), &tunnelserver);
strictsubnets |= tunnelserver;
if(get_config_string(lookup_config(config_tree, "Mode"), &mode)) {
if(!strcasecmp(mode, "router"))
@ -246,16 +309,34 @@ bool setup_myself(void) {
return false;
}
free(mode);
} else
routing_mode = RMODE_ROUTER;
}
// Enable PMTUDiscovery by default if we are in router mode.
if(get_config_string(lookup_config(config_tree, "Forwarding"), &mode)) {
if(!strcasecmp(mode, "off"))
forwarding_mode = FMODE_OFF;
else if(!strcasecmp(mode, "internal"))
forwarding_mode = FMODE_INTERNAL;
else if(!strcasecmp(mode, "kernel"))
forwarding_mode = FMODE_KERNEL;
else {
logger(LOG_ERR, "Invalid forwarding mode!");
return false;
}
free(mode);
}
choice = routing_mode == RMODE_ROUTER;
choice = true;
get_config_bool(lookup_config(myself->connection->config_tree, "PMTUDiscovery"), &choice);
if(choice)
get_config_bool(lookup_config(config_tree, "PMTUDiscovery"), &choice);
if(choice)
myself->options |= OPTION_PMTU_DISCOVERY;
choice = true;
get_config_bool(lookup_config(config_tree, "ClampMSS"), &choice);
get_config_bool(lookup_config(myself->connection->config_tree, "ClampMSS"), &choice);
if(choice)
myself->options |= OPTION_CLAMP_MSS;
get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance);
#if !defined(SOL_IP) || !defined(IP_TOS)
@ -344,6 +425,9 @@ bool setup_myself(void) {
graph();
if(strictsubnets)
load_all_subnets();
/* Open device */
if(!setup_device())