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res/res_pjsip_nat: Ignore REGISTER requests when looking for a Record-Route

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We will only rewrite the Contact header if there is no Record-Route header in
the received request. If a malfunctioning proxy places a Record-Route header
into a REGISTER request, we will decide that we shouldn't update the IP/port
in the Contact header, and we will end up storing a contact with an AoR that
contains the NAT'd IP address.

While it is nice to have the proxy *not* send a Record-Route in a REGISTER
request, it's also a good idea to not process the header in a non-dialog
message. This patch updates the code to explicitly ignore the Record-Route
header in REGISTER requests.

ASTERISK-25387 #close

Change-Id: I4bd3bcccc4003d460cc354d986b0dea2e433ef3f
This commit is contained in:
Matt Jordan
2015-09-10 08:39:21 -05:00
parent be3f52a122
commit bd71dcd1da
1 changed files with 1 additions and 1 deletions
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2
res/res_pjsip_nat.c
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@@ -56,7 +56,7 @@ static int rewrite_route_set(pjsip_rx_data *rdata, pjsip_dialog *dlg)
break;
}
}
} else {
} else if (pjsip_method_cmp(&rdata->msg_info.msg->line.req.method, &pjsip_register_method)) {
rr = pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_RECORD_ROUTE, NULL);
}