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User who did this - Sebastian Damm (sdamm)

Attached to Project - sip-router Summary - Parser doesn't eliminate linebreaks when logging bad packets, breaks syslog Task Type - Bug Report Category - Core Status - Unconfirmed Assigned To - Operating System - Linux Severity - Low Priority - Normal Reported Version - 4.0 Due in Version - Undecided Due Date - Undecided Details - When sending broken packets to a Kamailio 4.0, the parser logs the complete packet. In Kamailio 3.1 it eliminated line breaks before logging, so that one line with the the packet was written to the correct logfile. In Kamailio 4.0 only the first line of the broken packet is written to the logfile, the rest of the packet is written to the main syslog file (probably since no syslog facility is specified).

Comparison: Kamailio 3.1

kamailio.log Jul 25 06:26:00 hostname /usr/sbin/kamailio[5452]: ERROR: <core> [parser/msg_parser.c:714]: ERROR: parse_msg: message=<REGISTER sip:Dach GXP2100 SIP/2.0 Via: SIP/2.0/UDP 192.168.0.209:5468;branch=z9hG4bK1668961676;rport From: <sip:1234567e20@Dach GXP2100>;tag=1685573665 To: <sip:1234567e20@Dach GXP2100> Call-ID: 1720384019-5468-1@BJC.BGI.A.CAJ CSeq: 28699 REGISTER Contact: sip:1234567e20@192.168.0.209:5468;reg-id=1;+sip.instance="urn:uuid:00000000-0000-1000-8000-000B823AFF6E" X-Grandstream-PBX: true Max-Forwards: 70 User-Agent: Grandstream GXP2100 1.0.1.110 Supported: path Expires: 600 Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE Content-Length: 0 >

Kamailio 4.0

kamailio.log Jul 25 06:26:00 hostname /usr/sbin/kamailio[13036]: ERROR: <core> [parser/msg_parser.c:705]: parse_msg(): ERROR: parse_msg: message=<REGISTER sip:Dach GXP2100 SIP/2.0

syslog Jul 25 06:26:00 hostname Via: SIP/2.0/UDP 192.168.0.209:5468;branch=z9hG4bK1668961676;rport Jul 25 06:26:00 hostname From: <sip:1234567e20@Dach GXP2100>;tag=1685573665 Jul 25 06:26:00 hostname To: <sip:1234567e20@Dach GXP2100> Jul 25 06:26:00 hostname Call-ID: 1720384019-5468-1@BJC.BGI.A.CAJ Jul 25 06:26:00 hostname CSeq: 28699 REGISTER Jul 25 06:26:00 hostname Contact: sip:1234567e20@192.168.0.209:5468;reg-id=1;+sip.instance="urn:uuid:00000000-0000-1000-8000-000B823AFF6E" Jul 25 06:26:00 hostname X-Grandstream-PBX: true Jul 25 06:26:00 hostname Max-Forwards: 70 Jul 25 06:26:00 hostname User-Agent: Grandstream GXP2100 1.0.1.110 Jul 25 06:26:00 hostname Supported: path Jul 25 06:26:00 hostname Expires: 600 Jul 25 06:26:00 hostname Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE Jul 25 06:26:00 hostname Content-Length: 0 Jul 25 06:26:00 hostname >

How to reproduce: Configure Kamailio to log into a syslog facility, then send a broken packet to that kamailio.

More information can be found at the following URL: http://sip-router.org/tracker/index.php?do=details&task_id=328

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