diff options
Diffstat (limited to 'nhrp/nhrp_packet.c')
| -rw-r--r-- | nhrp/nhrp_packet.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/nhrp/nhrp_packet.c b/nhrp/nhrp_packet.c index f46b481..4edf392 100644 --- a/nhrp/nhrp_packet.c +++ b/nhrp/nhrp_packet.c @@ -1,13 +1,9 @@ /* nhrp_packet.c - NHRP packet marshalling and tranceiving * - * Copyright (C) 2007-2009 Timo Teräs <timo.teras@iki.fi> - * All rights reserved. + * Copyright (c) 2007-2012 Timo Teräs <timo.teras@iki.fi> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 or later as - * published by the Free Software Foundation. - * - * See http://www.gnu.org/ for details. + * This software is licensed under the MIT License. + * See MIT-LICENSE.txt for additional details. */ #include <malloc.h> @@ -979,7 +975,7 @@ int nhrp_packet_route(struct nhrp_packet *packet) struct nhrp_payload *payload; struct nhrp_peer *peer; char tmp[64]; - int r; + int i, r; if (packet->dst_iface == NULL) { nhrp_error("nhrp_packet_route called without destination interface"); @@ -1005,7 +1001,7 @@ int nhrp_packet_route(struct nhrp_packet *packet) proto_nexthop = packet->dst_peer->next_hop_address; } else { proto_nexthop = *dst; - do { + for (i = 0; i < 4; i++) { peer = nhrp_peer_route_full( packet->dst_iface, &proto_nexthop, 0, NHRP_PEER_TYPEMASK_ROUTE_VIA_NHS, src, cielist); @@ -1020,7 +1016,12 @@ int nhrp_packet_route(struct nhrp_packet *packet) if (peer->next_hop_address.type == AF_UNSPEC) break; proto_nexthop = peer->next_hop_address; - } while (1); + } + if (i >= 4) { + nhrp_error("Recursive routing for protocol address %s", + nhrp_address_format(dst, sizeof(tmp), tmp)); + return FALSE; + } packet->dst_peer = nhrp_peer_get(peer); } |