Hi Marco,
please refer to this thread:
http://www.openser.org/pipermail/users/2006-August/006260.html
it has the same topic
regards,
bogdan
Marco Holmer wrote:
Hi developers,
I was trying to find about rewriting (or inserting if necessary) of
the Contact header's URI parameter "transport". As I could not find
anything about it I implemented a function myself, but I am having
trouble with the data lump system.
The function works fine so far, but if some changed the URI
beforehand, eg. with fix_nated_contact, the URI parsing results in a
sip_uri struct with its pointer (such as host, port, ...) pointing
into the lump so inserting a new lump fails as the anchor postiion
lies somewhere outside the original message.
Is there a general way to cope with this - e.g. traversing all lumps
and changing the buffers manually, which sort of undermines the whole
purpose of having parsing functionality?
Only thing I could find is a check on the position of the parsed URI
pointers in fix_nated_contact, which disallows any additional call to
the function (the easy way).
But I want to allow the fix_nated_contact function + changing the
transport param.
Maybe I have overseen something obvious?
Thanks in advance,
Marco Holmer
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