Hello,
I have a test case where SIPp receives a SIP message carrying a message
body with CPIM content (the below extracts are simplified to reflect only
the problematic message elements):
UDP message received
INVITE sip:user@host:port SIP/2.0
From: tel:2110;tag=697848969de74321800c6ec5de2f3236
To: sip:u...@example.com
[...]
Content-Type: multipart/mixed;boundary=++
--++
Content-Type: application/sdp
[...]
--++
Content-Type: message/cpim
[...]
From: <sip:anonymous@anonymous.invalid>
To: <sip:anonymous@anonymous.invalid>
[...]
--++--
CPIM messages can contain From and To headers, and using [last_From:] and
[last_To:] on the above message when sending a response yields:
UDP message sent
SIP/2.0 100 Trying
From: tel:2110;tag=697848969de74321800c6ec5de2f3236,
<sip:anonymous@anonymous.invalid>
To: sip:u...@example.com, <sip:anonymous@anonymous.invalid>
[...]
Which is not desirable.
The reason is that the get_header method in sip_parser.cpp searches
through the entire message, including the message body.
Proposed solution:
*** sip_parser_orig.cpp Thu Mar 17 01:05:48 2016
--- sip_parser.cpp Tue Mar 22 12:59:13 2016
*************** char * get_header(const char* message, c
*** 139,144 ****
--- 139,150 ----
}
src_orig = strdup(message);
+
+ /* find end of SIP headers - perform search only until that */
+ ptr = strstr(src_orig, "\r\n\r\n");
+ if (ptr) {
+ *ptr = 0;
+ }
do {
/* We want to start from the beginning of the message each time
Please comment.
Cheers,
Zoltan
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