From a5f1d58fe1a5fe14061afc879872ed033e089880 Mon Sep 17 00:00:00 2001
From: "David J. Pryke" <david+extra.asterisk@pryke.us>
Date: Tue, 19 Sep 2017 10:34:01 -0400
Subject: [PATCH] chan_sip: Expose read-only access to the full SIP INVITE
 Request-URI

Provide a way to get the contents of the the Request URI from the initial SIP
INVITE in dial plan function call. (In this case "${CHANNEL(ruri)}")

ASTERISK-27278
Reported by: David J. Pryke
Tested by: David J. Pryke

Change-Id: I1dd4d6988eed1b6c98a9701e0e833a15ef0dac3e
---
 channels/sip/dialplan_functions.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/channels/sip/dialplan_functions.c b/channels/sip/dialplan_functions.c
index 59e841df47..36d4ea9e40 100644
--- a/channels/sip/dialplan_functions.c
+++ b/channels/sip/dialplan_functions.c
@@ -41,6 +41,9 @@
 		<enum name="uri">
 			<para>R/O Get the URI from the Contact: header.</para>
 		</enum>
+		<enum name="ruri">
+			<para>R/O Get the Request-URI from the INVITE header.</para>
+		</enum>
 		<enum name="useragent">
 			<para>R/O Get the useragent.</para>
 		</enum>
@@ -162,6 +165,9 @@ int sip_acf_channel_read(struct ast_channel *chan, const char *funcname, char *p
 		ast_copy_string(buf, p->from, buflen);
 	} else if (!strcasecmp(args.param, "uri")) {
 		ast_copy_string(buf, p->uri, buflen);
+	} else if (!strcasecmp(args.param, "ruri")) {
+		char *tmpruri = REQ_OFFSET_TO_STR(&p->initreq, rlpart2);
+		ast_copy_string(buf, tmpruri, buflen);
 	} else if (!strcasecmp(args.param, "useragent")) {
 		ast_copy_string(buf, p->useragent, buflen);
 	} else if (!strcasecmp(args.param, "peername")) {
-- 
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