X-Git-Url: http://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol_auth.c;h=18fbb64af0438eac8deb38fc16187272bec26083;hb=e9043e17c76f92b787c9ecdaf1a2ae7916f690a6;hp=0efeceb2037e10a24cfcc1488276d56dd83e4a6b;hpb=6ea1dfc995f386b3a9406c7935642524dc755c51;p=tinc

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index 0efeceb2..18fbb64a 100644
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -27,7 +27,7 @@
 #include <openssl/err.h>
 #include <openssl/evp.h>
 
-#include "avl_tree.h"
+#include "splay_tree.h"
 #include "conf.h"
 #include "connection.h"
 #include "edge.h"
@@ -40,16 +40,14 @@
 #include "utils.h"
 #include "xalloc.h"
 
-bool send_id(connection_t *c)
-{
+bool send_id(connection_t *c) {
 	cp();
 
 	return send_request(c, "%d %s %d", ID, myself->connection->name,
 						myself->connection->protocol_version);
 }
 
-bool id_h(connection_t *c)
-{
+bool id_h(connection_t *c) {
 	char name[MAX_STRING_SIZE];
 
 	cp();
@@ -116,8 +114,7 @@ bool id_h(connection_t *c)
 	return send_metakey(c);
 }
 
-bool send_metakey(connection_t *c)
-{
+bool send_metakey(connection_t *c) {
 	char *buffer;
 	int len;
 	bool x;
@@ -202,8 +199,7 @@ bool send_metakey(connection_t *c)
 	return x;
 }
 
-bool metakey_h(connection_t *c)
-{
+bool metakey_h(connection_t *c) {
 	char buffer[MAX_STRING_SIZE];
 	int cipher, digest, maclength, compression;
 	int len;
@@ -302,8 +298,7 @@ bool metakey_h(connection_t *c)
 	return send_challenge(c);
 }
 
-bool send_challenge(connection_t *c)
-{
+bool send_challenge(connection_t *c) {
 	char *buffer;
 	int len;
 
@@ -334,8 +329,7 @@ bool send_challenge(connection_t *c)
 	return send_request(c, "%d %s", CHALLENGE, buffer);
 }
 
-bool challenge_h(connection_t *c)
-{
+bool challenge_h(connection_t *c) {
 	char buffer[MAX_STRING_SIZE];
 	int len;
 
@@ -373,8 +367,7 @@ bool challenge_h(connection_t *c)
 	return send_chal_reply(c);
 }
 
-bool send_chal_reply(connection_t *c)
-{
+bool send_chal_reply(connection_t *c) {
 	char hash[EVP_MAX_MD_SIZE * 2 + 1];
 	EVP_MD_CTX ctx;
 
@@ -400,8 +393,7 @@ bool send_chal_reply(connection_t *c)
 	return send_request(c, "%d %s", CHAL_REPLY, hash);
 }
 
-bool chal_reply_h(connection_t *c)
-{
+bool chal_reply_h(connection_t *c) {
 	char hishash[MAX_STRING_SIZE];
 	char myhash[EVP_MAX_MD_SIZE];
 	EVP_MD_CTX ctx;
@@ -460,8 +452,7 @@ bool chal_reply_h(connection_t *c)
 	return send_ack(c);
 }
 
-bool send_ack(connection_t *c)
-{
+bool send_ack(connection_t *c) {
 	/* ACK message contains rest of the information the other end needs
 	   to create node_t and edge_t structures. */
 
@@ -491,9 +482,8 @@ bool send_ack(connection_t *c)
 	return send_request(c, "%d %s %d %lx", ACK, myport, c->estimated_weight, c->options);
 }
 
-static void send_everything(connection_t *c)
-{
-	avl_node_t *node, *node2;
+static void send_everything(connection_t *c) {
+	splay_node_t *node, *node2;
 	node_t *n;
 	subnet_t *s;
 	edge_t *e;
@@ -524,8 +514,7 @@ static void send_everything(connection_t *c)
 	}
 }
 
-bool ack_h(connection_t *c)
-{
+bool ack_h(connection_t *c) {
 	char hisport[MAX_STRING_SIZE];
 	char *hisaddress, *dummy;
 	int weight, mtu;
@@ -551,8 +540,17 @@ bool ack_h(connection_t *c)
 	} else {
 		if(n->connection) {
 			/* Oh dear, we already have a connection to this node. */
-			ifdebug(CONNECTIONS) logger(LOG_DEBUG, _("Established a second connection with %s (%s), closing old connection"),
-					   n->name, n->hostname);
+			ifdebug(CONNECTIONS) logger(LOG_DEBUG, _("Established a second connection with %s (%s), closing old connection"), n->connection->name, n->connection->hostname);
+
+			if(n->connection->outgoing) {
+				if(c->outgoing)
+					logger(LOG_WARNING, _("Two outgoing connections to the same node!"));
+				else
+					c->outgoing = n->connection->outgoing;
+
+				n->connection->outgoing = NULL;
+			}
+
 			terminate_connection(n->connection, false);
 			/* Run graph algorithm to purge key and make sure up/down scripts are rerun with new IP addresses and stuff */
 			graph();