X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_setup.c;h=752677941e4ad4d4953f1e8d8eba6f0c4ee031de;hp=d03869e624ea5e9e327e3d921ac8679493c34000;hb=3308d13e7e3bf20cfeaf6f2ab17228a9820cea66;hpb=f88c9942e1e3d4d463ec71ba5a60d045381bda8f

diff --git a/src/net_setup.c b/src/net_setup.c
index d03869e6..75267794 100644
--- a/src/net_setup.c
+++ b/src/net_setup.c
@@ -1,7 +1,7 @@
 /*
     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
@@ -286,9 +286,6 @@ bool setup_myself(void)
 	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;
 
@@ -309,6 +306,10 @@ bool setup_myself(void)
 	} else
 		routing_mode = RMODE_ROUTER;
 
+	if(routing_mode == RMODE_ROUTER)
+		if(!get_config_bool(lookup_config(myself->connection->config_tree, "PMTUDiscovery"), &choice) || choice)
+			myself->options |= OPTION_PMTU_DISCOVERY;
+
 	get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance);
 
 #if !defined(SOL_IP) || !defined(IP_TOS)
@@ -348,88 +349,72 @@ bool setup_myself(void)
 	if(get_config_string
 	   (lookup_config(myself->connection->config_tree, "Cipher"), &cipher)) {
 		if(!strcasecmp(cipher, "none")) {
-			myself->cipher = NULL;
+			myself->incipher = NULL;
 		} else {
-			myself->cipher = EVP_get_cipherbyname(cipher);
+			myself->incipher = EVP_get_cipherbyname(cipher);
 
-			if(!myself->cipher) {
+			if(!myself->incipher) {
 				logger(LOG_ERR, _("Unrecognized cipher type!"));
 				return false;
 			}
 		}
 	} else
-		myself->cipher = EVP_bf_cbc();
+		myself->incipher = EVP_bf_cbc();
 
-	if(myself->cipher)
-		myself->keylength = myself->cipher->key_len + myself->cipher->iv_len;
+	if(myself->incipher)
+		myself->inkeylength = myself->incipher->key_len + myself->incipher->iv_len;
 	else
-		myself->keylength = 1;
+		myself->inkeylength = 1;
 
 	myself->connection->outcipher = EVP_bf_ofb();
 
-	myself->key = xmalloc(myself->keylength);
-	RAND_pseudo_bytes((unsigned char *)myself->key, myself->keylength);
-
 	if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
 		keylifetime = 3600;
 
 	keyexpires = now + keylifetime;
 	
-	if(myself->cipher) {
-		EVP_CIPHER_CTX_init(&packet_ctx);
-		if(!EVP_DecryptInit_ex(&packet_ctx, myself->cipher, NULL, (unsigned char *)myself->key, (unsigned char *)myself->key + myself->cipher->key_len)) {
-			logger(LOG_ERR, _("Error during initialisation of cipher for %s (%s): %s"),
-					myself->name, myself->hostname, ERR_error_string(ERR_get_error(), NULL));
-			return false;
-		}
-
-	}
-
 	/* Check if we want to use message authentication codes... */
 
-	if(get_config_string
-	   (lookup_config(myself->connection->config_tree, "Digest"), &digest)) {
+	if(get_config_string(lookup_config(myself->connection->config_tree, "Digest"), &digest)) {
 		if(!strcasecmp(digest, "none")) {
-			myself->digest = NULL;
+			myself->indigest = NULL;
 		} else {
-			myself->digest = EVP_get_digestbyname(digest);
+			myself->indigest = EVP_get_digestbyname(digest);
 
-			if(!myself->digest) {
+			if(!myself->indigest) {
 				logger(LOG_ERR, _("Unrecognized digest type!"));
 				return false;
 			}
 		}
 	} else
-		myself->digest = EVP_sha1();
+		myself->indigest = EVP_sha1();
 
 	myself->connection->outdigest = EVP_sha1();
 
-	if(get_config_int(lookup_config(myself->connection->config_tree, "MACLength"),
-		&myself->maclength)) {
-		if(myself->digest) {
-			if(myself->maclength > myself->digest->md_size) {
+	if(get_config_int(lookup_config(myself->connection->config_tree, "MACLength"), &myself->inmaclength)) {
+		if(myself->indigest) {
+			if(myself->inmaclength > myself->indigest->md_size) {
 				logger(LOG_ERR, _("MAC length exceeds size of digest!"));
 				return false;
-			} else if(myself->maclength < 0) {
+			} else if(myself->inmaclength < 0) {
 				logger(LOG_ERR, _("Bogus MAC length!"));
 				return false;
 			}
 		}
 	} else
-		myself->maclength = 4;
+		myself->inmaclength = 4;
 
 	myself->connection->outmaclength = 0;
 
 	/* 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;
 
@@ -437,7 +422,6 @@ bool setup_myself(void)
 
 	myself->nexthop = myself;
 	myself->via = myself;
-	myself->status.active = true;
 	myself->status.reachable = true;
 	node_add(myself);
 
@@ -527,11 +511,11 @@ bool setup_network_connections(void)
 
 	now = time(NULL);
 
+	init_events();
 	init_connections();
 	init_subnets();
 	init_nodes();
 	init_edges();
-	init_events();
 	init_requests();
 
 	if(get_config_int(lookup_config(config_tree, "PingInterval"), &pinginterval)) {
@@ -547,7 +531,7 @@ bool setup_network_connections(void)
 		pingtimeout = pinginterval;
 
 	if(!get_config_int(lookup_config(config_tree, "MaxOutputBufferSize"), &maxoutbufsize))
-		maxoutbufsize = 4 * MTU;
+		maxoutbufsize = 10 * MTU;
 
 	if(!setup_myself())
 		return false;
@@ -572,15 +556,16 @@ void close_network_connections(void)
 	for(node = connection_tree->head; node; node = next) {
 		next = node->next;
 		c = node->data;
-
-		if(c->outgoing)
-			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++) {
@@ -595,14 +580,18 @@ void close_network_connections(void)
 	envp[4] = NULL;
 
 	exit_requests();
-	exit_events();
 	exit_edges();
 	exit_subnets();
 	exit_nodes();
 	exit_connections();
+	exit_events();
 
 	execute_script("tinc-down", envp);
 
+	if(myport) free(myport);
+
+	EVP_CIPHER_CTX_cleanup(&packet_ctx);
+
 	for(i = 0; i < 4; i++)
 		free(envp[i]);