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pjproject: add patch for AST-2021-005

Browse source 
https://downloads.asterisk.org/pub/security/AST-2021-005.html
https://issues.asterisk.org/jira/browse/ASTERISK-29196

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
This commit is contained in:
Sebastian Kemper 2021-03-07 12:21:40 +01:00
parent a5d0393940
commit f7fe759fe2
1 changed files with 33 additions and 0 deletions
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33
libs/pjproject/patches/0070-fix-sdp-neg-modify-local-offer.patch Normal file
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@ -0,0 +1,33 @@
diff --git a/pjmedia/src/pjmedia/sdp_neg.c b/pjmedia/src/pjmedia/sdp_neg.c
index 3b85b4273..a14009662 100644
--- a/pjmedia/src/pjmedia/sdp_neg.c
+++ b/pjmedia/src/pjmedia/sdp_neg.c
@@ -304,7 +304,6 @@ PJ_DEF(pj_status_t) pjmedia_sdp_neg_modify_local_offer2(
{
pjmedia_sdp_session *new_offer;
pjmedia_sdp_session *old_offer;
- char media_used[PJMEDIA_MAX_SDP_MEDIA];
unsigned oi; /* old offer media index */
pj_status_t status;
@@ -323,8 +322,19 @@ PJ_DEF(pj_status_t) pjmedia_sdp_neg_modify_local_offer2(
/* Change state to STATE_LOCAL_OFFER */
neg->state = PJMEDIA_SDP_NEG_STATE_LOCAL_OFFER;
+ /* When there is no active local SDP in state PJMEDIA_SDP_NEG_STATE_DONE,
+ * it means that the previous initial SDP nego must have been failed,
+ * so we'll just set the local SDP offer here.
+ */
+ if (!neg->active_local_sdp) {
+ neg->initial_sdp_tmp = NULL;
+ neg->initial_sdp = pjmedia_sdp_session_clone(pool, local);
+ neg->neg_local_sdp = pjmedia_sdp_session_clone(pool, local);
+
+ return PJ_SUCCESS;
+ }
+
/* Init vars */
- pj_bzero(media_used, sizeof(media_used));
old_offer = neg->active_local_sdp;
new_offer = pjmedia_sdp_session_clone(pool, local);