Module: kamailio Branch: master Commit: 1ea49ee2d4eced22dd76f7f4bc02467360b9ef16 URL: https://github.com/kamailio/kamailio/commit/1ea49ee2d4eced22dd76f7f4bc024673...

Author: Victor Seva linuxmaniac@torreviejawireless.org Committer: Victor Seva linuxmaniac@torreviejawireless.org Date: 2016-09-20T17:52:03+02:00

sca: fix core when HDR_CSEQ not parsed

Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f1820227bae in sca_call_info_update (msg=0x7f1828635930, p1=0x0, p2=0x0, p3=0x7f1828635930 "\001") at sca_call_info.c:1845 1845 LM_DBG("BUG: sca module does not support Call-Info headers " (gdb) p msg->cseq $1 = (struct hdr_field *) 0x0 (gdb) p msg->first_line.u.request->method $2 = { s = 0xa33540 <buf> "SUBSCRIBE sip:30@127.0.0.1:5060 SIP/2.0\r\nVia: SIP/2.0/UDP 172.17.0.2:5061;branch=z9hG4bK-2884-1-0\r\nFrom: sipp sip:sipp@172.17.0.2:5061;tag=2884SIPpTag001\r\nTo: sut sip:30@127.0.0.1:5060\r\nCall-ID: 1"..., len = 9}

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Modified: modules/sca/sca_call_info.c

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Diff: https://github.com/kamailio/kamailio/commit/1ea49ee2d4eced22dd76f7f4bc024673... Patch: https://github.com/kamailio/kamailio/commit/1ea49ee2d4eced22dd76f7f4bc024673...

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diff --git a/modules/sca/sca_call_info.c b/modules/sca/sca_call_info.c index 8f8ca7e..d5586cb 100644 --- a/modules/sca/sca_call_info.c +++ b/modules/sca/sca_call_info.c @@ -1842,6 +1842,12 @@ int sca_call_info_update(sip_msg_t *msg, char *p1, char *p2, char *p3) } } if (i >= n_dispatch) { + if(msg->cseq==NULL && ((parse_headers(msg, HDR_CSEQ_F, 0)==-1) || + (msg->cseq==NULL))) + { + LM_ERR("no CSEQ header\n"); + return (1); + } LM_DBG("BUG: sca module does not support Call-Info headers " "in %.*s requests\n", STR_FMT(&get_cseq(msg)->method)); return (1);