25 Jul
2013
25 Jul
'13
4:55 p.m.
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A new Flyspray task has been opened. Details are below.
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(a)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(a)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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