diff options
Diffstat (limited to 'packet-rtcp.c')
| -rw-r--r-- | packet-rtcp.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/packet-rtcp.c b/packet-rtcp.c index c6b75ed2f2..e372dfd26f 100644 --- a/packet-rtcp.c +++ b/packet-rtcp.c @@ -1,6 +1,6 @@ /* packet-rtcp.c * - * $Id: packet-rtcp.c,v 1.40 2004/02/25 09:31:06 guy Exp $ + * $Id: packet-rtcp.c,v 1.41 2004/05/13 17:24:16 obiot Exp $ * * Routines for RTCP dissection * RTCP = Real-time Transport Control Protocol @@ -418,6 +418,19 @@ dissect_rtcp_sdes( tvbuff_t *tvb, int offset, proto_tree *tree, start_offset = offset; ssrc = tvb_get_ntohl( tvb, offset ); + if (ssrc == 0) { + /* According to RFC1889 section 6.4: + * "The list of items in each chunk is terminated by one or more + * null octets, the first of which is interpreted as an item type + * of zero to denote the end of the list, and the remainder as + * needed to pad until the next 32-bit boundary. + * + * A chunk with zero items (four null octets) is valid but useless." + */ + proto_tree_add_text(tree, tvb, offset, 4, "Padding"); + offset += 4; + continue; + } sdes_item = proto_tree_add_text(tree, tvb, offset, -1, "Chunk %u, SSRC/CSRC %u", chunk, ssrc); sdes_tree = proto_item_add_subtree( sdes_item, ett_sdes ); |