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Merge "AST-2018-003: Crash with an invalid SDP fmtp attribute"

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Kevin Harwell
2018-02-21 14:11:39 -06:00
committed by Gerrit Code Review
parent c166589207 880c69f00f
commit bd549cf936
1 changed files with 34 additions and 0 deletions
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34
third-party/pjproject/patches/0071-sdp_fmtp_attr.patch vendored Normal file
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@@ -0,0 +1,34 @@
diff --git a/pjmedia/src/pjmedia/sdp.c b/pjmedia/src/pjmedia/sdp.c
index a3dd80b..6117e07 100644
--- a/pjmedia/src/pjmedia/sdp.c
+++ b/pjmedia/src/pjmedia/sdp.c
@@ -256,7 +256,8 @@ PJ_DEF(pj_status_t) pjmedia_sdp_attr_get_rtpmap( const pjmedia_sdp_attr *attr,
PJ_ASSERT_RETURN(pj_strcmp2(&attr->name, "rtpmap")==0, PJ_EINVALIDOP);
- PJ_ASSERT_RETURN(attr->value.slen != 0, PJMEDIA_SDP_EINATTR);
+ if (attr->value.slen == 0)
+ return PJMEDIA_SDP_EINATTR;
init_sdp_parser();
@@ -341,6 +342,9 @@ PJ_DEF(pj_status_t) pjmedia_sdp_attr_get_fmtp( const pjmedia_sdp_attr *attr,
PJ_ASSERT_RETURN(pj_strcmp2(&attr->name, "fmtp")==0, PJ_EINVALIDOP);
+ if (attr->value.slen == 0)
+ return PJMEDIA_SDP_EINATTR;
+
/* fmtp BNF:
* a=fmtp:<format> <format specific parameter>
*/
@@ -379,6 +383,9 @@ PJ_DEF(pj_status_t) pjmedia_sdp_attr_get_rtcp(const pjmedia_sdp_attr *attr,
PJ_ASSERT_RETURN(pj_strcmp2(&attr->name, "rtcp")==0, PJ_EINVALIDOP);
+ if (attr->value.slen == 0)
+ return PJMEDIA_SDP_EINATTR;
+
init_sdp_parser();
/* fmtp BNF: