Recently encountered this assertion failure in sip_request_create() when
preparing to build an INVITE request and the request-URI is of the form:
<user>@<host>:<port> SIP/2.0
The following request-URIs do not have a problem:
<user>@<host> SIP/2.0
<user>@<host>;<any text> SIP/2.0
It is just the port specifier that sofia seems to be having trouble
parsing, even though it looks to be valid according to RFC-3261 spec.
After some digging we found that it fails in _url_d() at:
/* Check that port is really numeric or wildcard */
/* Port can be *digit, empty string or "*" */
while (*port >= '0' && *port <= '9')
port++;
if (port != url->url_port) {
if (port[0] != '\0')
return -1;
}
At this point in time, port == "<port> SIP/2.0" . The while loop skips
over the digits and stops at the space before SIP/2.0. The next two
conditionals pass and function returns -1 which leads to the assertion
failure.
A working fix for us was to change,
if (port[0] != '\0')
to,
if (port[0] != '\0' && port[0] != ' ' && port[0] != ';')
This was in sofia v.1.12.12 . I also cloned the git repo for freeswitch
and found that the same issue looks to exist in the sofia code that is help
there.
-T
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