X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnode.c;h=cf70f8380e12df58641c01d03740135dc3252b13;hp=7bcad892753ddaec91beca2793fdff48780dcc31;hb=ae5249610954af17c68c547bb1b45ad286ad647e;hpb=5eb0440110f99f0a49838cc00a0686c7a7595663

diff --git a/src/node.c b/src/node.c
index 7bcad892..cf70f838 100644
--- a/src/node.c
+++ b/src/node.c
@@ -1,6 +1,6 @@
 /*
     node.c -- node tree management
-    Copyright (C) 2001-2009 Guus Sliepen <guus@tinc-vpn.org>,
+    Copyright (C) 2001-2011 Guus Sliepen <guus@tinc-vpn.org>,
                   2001-2005 Ivo Timmermans
 
     This program is free software; you can redistribute it and/or modify
@@ -124,7 +124,7 @@ void node_del(node_t *n) {
 }
 
 node_t *lookup_node(char *name) {
-	node_t n = {0};
+	node_t n = {NULL};
 
 	n.name = name;
 
@@ -132,7 +132,7 @@ node_t *lookup_node(char *name) {
 }
 
 node_t *lookup_node_udp(const sockaddr_t *sa) {
-	node_t n = {0};
+	node_t n = {NULL};
 
 	n.address = *sa;
 	n.name = NULL;
@@ -141,6 +141,11 @@ node_t *lookup_node_udp(const sockaddr_t *sa) {
 }
 
 void update_node_udp(node_t *n, const sockaddr_t *sa) {
+	if(n == myself) {
+		logger(LOG_WARNING, "Trying to update UDP address of myself!");
+		return;
+	}
+
 	avl_delete(node_udp_tree, n);
 
 	if(n->hostname)
@@ -153,7 +158,7 @@ void update_node_udp(node_t *n, const sockaddr_t *sa) {
 		ifdebug(PROTOCOL) logger(LOG_DEBUG, "UDP address of %s set to %s", n->name, n->hostname);
 	} else {
 		memset(&n->address, 0, sizeof n->address);
-		n->hostname = 0;
+		n->hostname = NULL;
 		ifdebug(PROTOCOL) logger(LOG_DEBUG, "UDP address of %s cleared", n->name);
 	}
 }