X-Git-Url: https://git.distorted.org.uk/~mdw/secnet/blobdiff_plain/e6d6991c815cb4b06efc4b3be4c631e0ef166bc4..2d80199d7bc25b4c6e4a5ac986f8902770e82d96:/site.c

diff --git a/site.c b/site.c
index db78d5f..4ce4c24 100644
--- a/site.c
+++ b/site.c
@@ -1147,6 +1147,10 @@ static bool_t process_msg0(struct site *st, struct buffer_if *msg0,
     case LABEL_MSG7:
 	/* We must forget about the current session. */
 	delete_keys(st,"request from peer",LOG_SEC);
+	/* probably, the peer is shutting down, and this is going to fail,
+	 * but we need to be trying to bring the link up again */
+	if (st->keepalive)
+	    initiate_key_setup(st,"peer requested key teardown",0);
 	return True;
     case LABEL_MSG9:
 	/* Deliver to netlink layer */
@@ -1179,6 +1183,13 @@ static void dump_packet(struct site *st, struct buffer_if *buf,
 	       ok?"":" - fail");
 }
 
+static bool_t comm_addr_sendmsg(struct site *st,
+				const struct comm_addr *dest,
+				struct buffer_if *buf)
+{
+    return dest->comm->sendmsg(dest->comm->st, buf, dest, 0);
+}
+
 static uint32_t site_status(void *st)
 {
     return 0;
@@ -1606,7 +1617,7 @@ static void generate_send_prod(struct site *st,
     slog(st,LOG_SETUP_INIT,"prodding peer for key exchange");
     st->allow_send_prod=0;
     generate_prod(st,&st->scratch);
-    bool_t ok = source->comm->sendmsg(source->comm->st, &st->scratch, source);
+    bool_t ok = comm_addr_sendmsg(st, source, &st->scratch);
     dump_packet(st,&st->scratch,source,False,ok);
 }
 
@@ -2355,8 +2366,7 @@ void transport_xmit(struct site *st, transport_peers *peers,
     int nfailed=0;
     for (slot=0; slot<peers->npeers; slot++) {
 	transport_peer *peer=&peers->peers[slot];
-	bool_t ok =
-	    peer->addr.comm->sendmsg(peer->addr.comm->st, buf, &peer->addr);
+	bool_t ok = comm_addr_sendmsg(st, &peer->addr, buf);
 	if (candebug)
 	    dump_packet(st, buf, &peer->addr, False, ok);
 	if (!ok) {