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Chaos: handle failed allocation in get_media_encryption_type

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If the ast_strndup() call fails to allocate a copy of the
transport string for parsing, fail gracefully.

ASTERISK-25323
Reported by: Scott Griepentrog

Change-Id: Ia4b905ce6d03da53fea526224455c1044b1a5a28
This commit is contained in:
Scott Griepentrog
2015-08-26 15:26:00 -05:00
parent d03d09aad3
commit 6bfa14bdad
1 changed files with 3 additions and 0 deletions
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3
res/res_pjsip_sdp_rtp.c
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@@ -611,6 +611,9 @@ static enum ast_sip_session_media_encryption get_media_encryption_type(pj_str_t
*optimistic = 0; *optimistic = 0;
if (!transport_str) {
return AST_SIP_MEDIA_TRANSPORT_INVALID;
}
if (strstr(transport_str, "UDP/TLS")) { if (strstr(transport_str, "UDP/TLS")) {
return AST_SIP_MEDIA_ENCRYPT_DTLS; return AST_SIP_MEDIA_ENCRYPT_DTLS;
} else if (strstr(transport_str, "SAVP")) { } else if (strstr(transport_str, "SAVP")) {