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If an INFO request within a dialog is received with a content length of 0 simply send back a 200 OK. It is valid to do this and the remote side is probably using it to make sure the signalling is still alive.

Browse Source 
(closes issue #5747)
Reported by: chandi
Patches:
      infofix-81430-1.patch uploaded by IgorG (license 20)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@88328 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2007-11-02 20:20:21 +00:00
parent fc0439dde4
commit e49faa404a
1 changed files with 5 additions and 0 deletions
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5
channels/chan_sip.c
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@@ -11003,7 +11003,12 @@ static void handle_request_info(struct sip_pvt *p, struct sip_request *req)
transmit_response(p, "403 Unauthorized", req);
}
return;
} else if (ast_strlen_zero(c = get_header(req, "Content-Length")) || !strcasecmp(c, "0")) {
/* This is probably just a packet making sure the signalling is still up, just send back a 200 OK */
transmit_response(p, "200 OK", req);
return;
}
/* Other type of INFO message, not really understood by Asterisk */
/* if (get_msg_text(buf, sizeof(buf), req)) { */