X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol_auth.c;h=ee73e6b5adf12b11cc154e0f4e7b329ad299ee9a;hp=cafe45c08e8951620c71321d2fdff1cad89f9694;hb=c217d214f4f071c235bc7c463a1da6124e2570a6;hpb=0e4d419aae8a82f2ae4552f755894a9bc70c83d2

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index cafe45c0..ee73e6b5 100644
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -1,7 +1,7 @@
 /*
     protocol_auth.c -- handle the meta-protocol, authentication
     Copyright (C) 1999-2005 Ivo Timmermans,
-                  2000-2008 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
@@ -16,8 +16,6 @@
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    $Id$
 */
 
 #include "system.h"
@@ -130,8 +128,7 @@ bool send_metakey(connection_t *c)
 
 	buffer = alloca(2 * len + 1);
 	
-	if(!c->outkey)
-		c->outkey = xmalloc(len);
+	c->outkey = xrealloc(c->outkey, len);
 
 	if(!c->outctx)
 		c->outctx = xmalloc_and_zero(sizeof(*c->outctx));
@@ -227,8 +224,7 @@ bool metakey_h(connection_t *c)
 
 	/* Allocate buffers for the meta key */
 
-	if(!c->inkey)
-		c->inkey = xmalloc(len);
+	c->inkey = xrealloc(c->inkey, len);
 
 	if(!c->inctx)
 		c->inctx = xmalloc_and_zero(sizeof(*c->inctx));
@@ -317,8 +313,7 @@ bool send_challenge(connection_t *c)
 
 	buffer = alloca(2 * len + 1);
 
-	if(!c->hischallenge)
-		c->hischallenge = xmalloc(len);
+	c->hischallenge = xrealloc(c->hischallenge, len);
 
 	/* Copy random data to the buffer */
 
@@ -359,8 +354,7 @@ bool challenge_h(connection_t *c)
 
 	/* Allocate buffers for the challenge */
 
-	if(!c->mychallenge)
-		c->mychallenge = xmalloc(len);
+	c->mychallenge = xrealloc(c->mychallenge, len);
 
 	/* Convert the challenge from hexadecimal back to binary */
 
@@ -483,7 +477,7 @@ bool send_ack(connection_t *c)
 	if((get_config_bool(lookup_config(c->config_tree, "TCPOnly"), &choice) && choice) || myself->options & OPTION_TCPONLY)
 		c->options |= OPTION_TCPONLY | OPTION_INDIRECT;
 
-	if((!get_config_bool(lookup_config(c->config_tree, "PMTUDiscovery"), &choice) || choice) || myself->options & OPTION_PMTU_DISCOVERY)
+	if(myself->options & OPTION_PMTU_DISCOVERY)
 		c->options |= OPTION_PMTU_DISCOVERY;
 
 	get_config_int(lookup_config(c->config_tree, "Weight"), &c->estimated_weight);
@@ -561,6 +555,10 @@ bool ack_h(connection_t *c)
 
 	n->connection = c;
 	c->node = n;
+	if(!(c->options & options & OPTION_PMTU_DISCOVERY)) {
+		c->options &= ~OPTION_PMTU_DISCOVERY;
+		options &= ~OPTION_PMTU_DISCOVERY;
+	}
 	c->options |= options;
 
 	if(get_config_int(lookup_config(c->config_tree, "PMTU"), &mtu) && mtu < n->mtu)