20 Feb
2013
20 Feb
'13
9:01 p.m.
Hi Olle,
I have checked in an (untested) fix.
This should do the trick.
Regards,
Peter
On 20/02/13 09:48, Peter Dunkley wrote:
Olle,
Looking at this I don't understand the crash at all.
The check of msg->contact should only pass if parse_headers() had
already been called for the Contact: before. The parse_headers() for
the Contact: should only return > -1 if the message contains a
Contact: and it was parsed successfully.
So the code under this conditional should only be able to run if the
request contains a Contact: header.
I am going to revert the change in master because as it stands the
conditional is checking the wrong thing. I don't understand why the
code inside this is being run when there is no Contact: at all.
Regards,
Peter
On 20/02/13 09:37, Peter Dunkley wrote:
Hi Olle,
I don't think this fix is correct. The purpose of checking
msg->contact is to see if the contact has been parsed already - it
does not tell you whether there is a contact in the message or not.
With this patch Kamailio might not be crashing, but that conditional
is now checking the wrong thing.
Regards,
Peter
On 19 Feb 2013, at 22:10, Olle E. Johansson <oej(a)edvina.net> wrote:
_______________________________________________
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http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev Module: sip-router
Branch: master
Commit: 6369444761d44526ded2620e33438abb182d2bdc
URL:
http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=6369444…
Author: Olle E. Johansson <oej(a)edvina.net>
Committer: Olle E. Johansson <oej(a)edvina.net>
Date: Tue Feb 19 23:08:13 2013 +0100
outbound Fix core dump crash
When we got a CANCEL without Contact the parse_contact was sent a null
pointer. Changing the "or" to "and" fixed this and Kamailio no
longer cores
on Cancel coming on over websockets from jssip.
Tested at SIPit 30. Core dumps and backtraces available.
Pdunkley - please check this patch
---
modules/outbound/ob_mod.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/modules/outbound/ob_mod.c b/modules/outbound/ob_mod.c
index caf10f4..f7fd63f 100644
--- a/modules/outbound/ob_mod.c
+++ b/modules/outbound/ob_mod.c
@@ -294,7 +294,7 @@ int use_outbound(struct sip_msg *msg)
/* Look for ;reg-id in REGISTER Contact-URIs and ;ob in any
Contact-URIs */
- if (msg->contact || parse_headers(msg, HDR_CONTACT_F, 0) != -1)
+ if (msg->contact && parse_headers(msg, HDR_CONTACT_F, 0) != -1)
{
if (parse_contact(msg->contact) < 0)
{
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