X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol_key.c;h=aaf0f3309261db1dafe40659165758157042b1c6;hb=06345f89b9a1e9acaf74cbbf896559b4286c102e;hp=8b19d900ac3e33d8e6f5be84c3d25ec51cdff48f;hpb=266afc6c63d3d02584feb24b69063f97057daac8;p=tinc

diff --git a/src/protocol_key.c b/src/protocol_key.c
index 8b19d900..aaf0f330 100644
--- a/src/protocol_key.c
+++ b/src/protocol_key.c
@@ -266,6 +266,9 @@ bool send_ans_key(node_t *to) {
 	if(to->status.sptps)
 		abort();
 
+#ifdef DISABLE_LEGACY
+	return false;
+#else
 	size_t keylen = myself->incipher ? cipher_keylength(myself->incipher) : 1;
 	char key[keylen * 2 + 1];
 
@@ -306,6 +309,7 @@ bool send_ans_key(node_t *to) {
 						digest_get_nid(to->indigest),
 						(int)digest_length(to->indigest),
 						to->incompression);
+#endif
 }
 
 bool ans_key_h(connection_t *c, const char *request) {
@@ -371,9 +375,11 @@ bool ans_key_h(connection_t *c, const char *request) {
 		return send_request(to->nexthop->connection, "%s", request);
 	}
 
+#ifndef DISABLE_LEGACY
 	/* Don't use key material until every check has passed. */
 	cipher_close(from->outcipher);
 	digest_close(from->outdigest);
+#endif
 	from->status.validkey = false;
 
 	if(compression < 0 || compression > 11) {
@@ -398,16 +404,15 @@ bool ans_key_h(connection_t *c, const char *request) {
 				sockaddr_t sa = str2sockaddr(address, port);
 				update_node_udp(from, &sa);
 			}
-
-			/* Don't send probes if we can't send UDP packets directly to that node.
-			   TODO: the indirect (via) condition can change at any time as edges are added and removed, so this should probably be moved to graph.c. */
-			if((from->via == myself || from->via == from) && from->options & OPTION_PMTU_DISCOVERY && !(from->options & OPTION_TCPONLY))
-				send_mtu_probe(from);
 		}
 
 		return true;
 	}
 
+#ifdef DISABLE_LEGACY
+	logger(DEBUG_ALWAYS, LOG_ERR, "Node %s (%) uses legacy protocol!", from->name, from->hostname);
+	return false;
+#else
 	/* Check and lookup cipher and digest algorithms */
 
 	if(cipher) {
@@ -458,8 +463,6 @@ bool ans_key_h(connection_t *c, const char *request) {
 		update_node_udp(from, &sa);
 	}
 
-	if(from->options & OPTION_PMTU_DISCOVERY && !(from->options & OPTION_TCPONLY))
-		send_mtu_probe(from);
-
 	return true;
+#endif
 }