From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
This split the handling of invalid PDU length and not matching
transaction id adding proper debug logs.
---
lib/sdp.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/lib/sdp.c b/lib/sdp.c
index 1f19953..2107e28 100644
--- a/lib/sdp.c
+++ b/lib/sdp.c
@@ -4181,10 +4181,15 @@ int sdp_process(sdp_session_t *session)
goto end;
}
- if (n == 0 || reqhdr->tid != rsphdr->tid ||
- (n != (int) (ntohs(rsphdr->plen) + sizeof(sdp_pdu_hdr_t)))) {
+ if (reqhdr->tid != rsphdr->tid) {
t->err = EPROTO;
- SDPERR("Protocol error.");
+ SDPERR("Protocol error: transaction id does not match");
+ goto end;
+ }
+
+ if (n != (int) (ntohs(rsphdr->plen) + sizeof(sdp_pdu_hdr_t))) {
+ t->err = EPROTO;
+ SDPERR("Protocol error: invalid length");
goto end;
}
--
1.9.3
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