/*
net_setup.c -- Setup.
Copyright (C) 1998-2005 Ivo Timmermans,
- 2000-2006 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2009 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
/* Else, check for PublicKeyFile statement and read it */
if(!get_config_string(lookup_config(c->config_tree, "PublicKeyFile"), &fname))
- asprintf(&fname, "%s/hosts/%s", confbase, c->name);
+ xasprintf(&fname, "%s/hosts/%s", confbase, c->name);
fp = fopen(fname, "r");
/* Else, check for PrivateKeyFile statement and read it */
if(!get_config_string(lookup_config(config_tree, "PrivateKeyFile"), &fname))
- asprintf(&fname, "%s/rsa_key.priv", confbase);
+ xasprintf(&fname, "%s/rsa_key.priv", confbase);
fp = fopen(fname, "r");
}
void regenerate_key() {
- ifdebug(STATUS) logger(LOG_INFO, _("Regenerating symmetric key"));
-
- if(!cipher_regenerate_key(&myself->cipher, true)) {
- logger(LOG_ERR, _("Error regenerating key!"));
- abort();
- }
-
if(timeout_initialized(&keyexpire_event)) {
+ ifdebug(STATUS) logger(LOG_INFO, _("Expiring symmetric keys"));
event_del(&keyexpire_event);
send_key_changed(broadcast, myself);
} else {
myself->connection = new_connection();
init_configuration(&myself->connection->config_tree);
- asprintf(&myself->hostname, _("MYSELF"));
- asprintf(&myself->connection->hostname, _("MYSELF"));
+ xasprintf(&myself->hostname, _("MYSELF"));
+ xasprintf(&myself->connection->hostname, _("MYSELF"));
myself->connection->options = 0;
myself->connection->protocol_version = PROT_CURRENT;
return false;
if(!get_config_string(lookup_config(myself->connection->config_tree, "Port"), &myport))
- asprintf(&myport, "655");
+ xasprintf(&myport, "655");
/* Read in all the subnets specified in the host configuration file */
if(get_config_bool(lookup_config(myself->connection->config_tree, "TCPOnly"), &choice) && choice)
myself->options |= OPTION_TCPONLY;
- if(get_config_bool(lookup_config(myself->connection->config_tree, "PMTUDiscovery"), &choice) && choice)
- myself->options |= OPTION_PMTU_DISCOVERY;
-
if(myself->options & OPTION_TCPONLY)
myself->options |= OPTION_INDIRECT;
} else
routing_mode = RMODE_ROUTER;
+ // Enable PMTUDiscovery by default if we are in router mode.
+
+ choice = routing_mode == RMODE_ROUTER;
+ get_config_bool(lookup_config(myself->connection->config_tree, "PMTUDiscovery"), &choice);
+ if(choice)
+ myself->options |= OPTION_PMTU_DISCOVERY;
+
get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance);
#if !defined(SOL_IP) || !defined(IP_TOS)
if(priorityinheritance)
- logger(LOG_WARNING, _("PriorityInheritance not supported on this platform"));
+ logger(LOG_WARNING, _("%s not supported on this platform"), "PriorityInheritance");
#endif
if(!get_config_int(lookup_config(config_tree, "MACExpire"), &macexpire))
/* Generate packet encryption key */
if(!get_config_string(lookup_config(myself->connection->config_tree, "Cipher"), &cipher))
- cipher = xstrdup("blowfish");
+ cipher = xstrdup("aes256");
- if(!cipher_open_by_name(&myself->cipher, cipher)) {
+ if(!cipher_open_by_name(&myself->incipher, cipher)) {
logger(LOG_ERR, _("Unrecognized cipher type!"));
return false;
}
/* Check if we want to use message authentication codes... */
if(!get_config_string(lookup_config(myself->connection->config_tree, "Digest"), &digest))
- digest = xstrdup("sha1");
+ digest = xstrdup("sha256");
- if(!digest_open_by_name(&myself->digest, digest)) {
- logger(LOG_ERR, _("Unrecognized digest type!"));
+ int maclength = 4;
+ get_config_int(lookup_config(myself->connection->config_tree, "MACLength"), &maclength);
+
+ if(maclength < 0) {
+ logger(LOG_ERR, _("Bogus MAC length!"));
return false;
}
- if(!get_config_int(lookup_config(myself->connection->config_tree, "MACLength"), &myself->maclength))
-
- if(digest_active(&myself->digest)) {
- if(myself->maclength > digest_length(&myself->digest)) {
- logger(LOG_ERR, _("MAC length exceeds size of digest!"));
- return false;
- } else if(myself->maclength < 0) {
- logger(LOG_ERR, _("Bogus MAC length!"));
- return false;
- }
+ if(!digest_open_by_name(&myself->indigest, digest, maclength)) {
+ logger(LOG_ERR, _("Unrecognized digest type!"));
+ return false;
}
/* Compression */
- if(get_config_int(lookup_config(myself->connection->config_tree, "Compression"), &myself->compression)) {
- if(myself->compression < 0 || myself->compression > 11) {
+ if(get_config_int(lookup_config(myself->connection->config_tree, "Compression"), &myself->incompression)) {
+ if(myself->incompression < 0 || myself->incompression > 11) {
logger(LOG_ERR, _("Bogus compression level!"));
return false;
}
} else
- myself->compression = 0;
+ myself->incompression = 0;
myself->connection->outcompression = 0;
}
/* Run tinc-up script to further initialize the tap interface */
- asprintf(&envp[0], "NETNAME=%s", netname ? : "");
- asprintf(&envp[1], "DEVICE=%s", device ? : "");
- asprintf(&envp[2], "INTERFACE=%s", iface ? : "");
- asprintf(&envp[3], "NAME=%s", myself->name);
+ xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
+ xasprintf(&envp[1], "DEVICE=%s", device ? : "");
+ xasprintf(&envp[2], "INTERFACE=%s", iface ? : "");
+ xasprintf(&envp[3], "NAME=%s", myself->name);
envp[4] = NULL;
execute_script("tinc-up", envp);
}
/*
- setup all initial network connections
+ initialize network
*/
-bool setup_network_connections(void) {
+bool setup_network(void)
+{
cp();
init_connections();
pingtimeout = pinginterval;
if(!get_config_int(lookup_config(config_tree, "MaxOutputBufferSize"), &maxoutbufsize))
- maxoutbufsize = 4 * MTU;
+ maxoutbufsize = 10 * MTU;
if(!setup_myself())
return false;
- try_outgoing_connections();
-
return true;
}
for(node = connection_tree->head; node; node = next) {
next = node->next;
c = node->data;
-
- if(c->outgoing) {
- if(c->outgoing->ai)
- freeaddrinfo(c->outgoing->ai);
- free(c->outgoing->name);
- free(c->outgoing);
- c->outgoing = NULL;
- }
-
+ c->outgoing = false;
terminate_connection(c, false);
}
+ list_delete_list(outgoing_list);
+
if(myself && myself->connection) {
subnet_update(myself, NULL, false);
terminate_connection(myself->connection, false);
+ free_connection(myself->connection);
}
for(i = 0; i < listen_sockets; i++) {
close(listen_socket[i].udp);
}
- asprintf(&envp[0], "NETNAME=%s", netname ? : "");
- asprintf(&envp[1], "DEVICE=%s", device ? : "");
- asprintf(&envp[2], "INTERFACE=%s", iface ? : "");
- asprintf(&envp[3], "NAME=%s", myself->name);
+ xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
+ xasprintf(&envp[1], "DEVICE=%s", device ? : "");
+ xasprintf(&envp[2], "INTERFACE=%s", iface ? : "");
+ xasprintf(&envp[3], "NAME=%s", myself->name);
envp[4] = NULL;
exit_requests();
execute_script("tinc-down", envp);
+ if(myport) free(myport);
+
for(i = 0; i < 4; i++)
free(envp[i]);