Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 8326] A dissector for Sippy RTPproxy controlling protocol

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Alexis La Goutte changed bug 8326

What	Removed	Added
Attachment #9990 Flags		review_for_checkin?

Comment # 3 on bug 8326 from Alexis La Goutte

Comment on attachment 9990 [details]
Initial version

>From 9f8ffc9eba95f028756207ad1dfcb697ff72eb10 Mon Sep 17 00:00:00 2001
>From: Peter Lemenkov <lemenkov@gmail.com>
>Date: Wed, 24 Oct 2012 18:26:57 +0400
>Subject: [PATCH 1/1] Dissector for RTPproxy added
>
>Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
>---
> epan/dissectors/Makefile.common   |   1 +
> epan/dissectors/packet-rtpproxy.c | 817 ++++++++++++++++++++++++++++++++++++++
> 2 files changed, 818 insertions(+)
> create mode 100644 epan/dissectors/packet-rtpproxy.c
>
>diff --git a/epan/dissectors/Makefile.common b/epan/dissectors/Makefile.common
>index 0f9ef0b..f4a884e 100644
>--- a/epan/dissectors/Makefile.common
>+++ b/epan/dissectors/Makefile.common
>@@ -997,6 +997,7 @@ DISSECTOR_SRC = \
> 	packet-rtp-events.c	\
> 	packet-rtp-midi.c	\
> 	packet-rtp.c		\
>+	packet-rtpproxy.c	\
> 	packet-rtps.c		\
> 	packet-rtps2.c		\
> 	packet-rtsp.c		\
>diff --git a/epan/dissectors/packet-rtpproxy.c b/epan/dissectors/packet-rtpproxy.c
>new file mode 100644
>index 0000000..b769790
>--- /dev/null
>+++ b/epan/dissectors/packet-rtpproxy.c
>@@ -0,0 +1,817 @@
>+/* packet-rtpproxy.c
>+ * RTPproxy command protocol dissector
>+ * Copyright 2013, Peter Lemenkov <lemenkov@gmail.com>
>+ *
>+ * $Id$
>+ *
>+ * Wireshark - Network traffic analyzer
>+ * By Gerald Combs <gerald@wireshark.org>
>+ * Copyright 1999 Gerald Combs
>+ *
>+ * This program is free software; you can redistribute it and/or
>+ * modify it under the terms of the GNU General Public License
>+ * as published by the Free Software Foundation; either version 2
>+ * of the License, or (at your option) any later version.
>+ *
>+ * This program is distributed in the hope that it will be useful,
>+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
>+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>+ * GNU General Public License for more details.
>+ *
>+ * You should have received a copy of the GNU General Public License
>+ * along with this program; if not, write to the Free Software
>+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
>+ */
>+
>+#include "config.h"
>+
>+#include <epan/packet.h>
>+
>+#define RTPPROXY_PORT 22222
>+
>+static int proto_rtpproxy = -1;
>+
>+static int hf_rtpproxy_cookie = -1;
>+static int hf_rtpproxy_error = -1;
>+static int hf_rtpproxy_version_ok = -1;
>+static int hf_rtpproxy_status = -1;
>+static int hf_rtpproxy_ok = -1;
>+static int hf_rtpproxy_ipv4 = -1;
>+static int hf_rtpproxy_ipv6 = -1;
>+static int hf_rtpproxy_port = -1;
>+static int hf_rtpproxy_lf = -1;
>+static int hf_rtpproxy_request = -1;
>+static int hf_rtpproxy_command = -1;
>+static int hf_rtpproxy_command_parameters = -1;
>+static int hf_rtpproxy_callid = -1;
>+static int hf_rtpproxy_copy_target = -1;
>+static int hf_rtpproxy_playback_filename = -1;
>+static int hf_rtpproxy_playback_codec = -1;
>+static int hf_rtpproxy_notify = -1;
>+static int hf_rtpproxy_notify_ipv4 = -1;
>+static int hf_rtpproxy_notify_port = -1;
>+static int hf_rtpproxy_notify_tag = -1;
>+static int hf_rtpproxy_tag = -1;
>+static int hf_rtpproxy_mediaid = -1;
>+static int hf_rtpproxy_reply = -1;
>+static int hf_rtpproxy_handshake = -1;
>+static int hf_rtpproxy_version_request = -1;
>+static int hf_rtpproxy_version_supported = -1;
>+
>+static const value_string commandtypenames[] = {
>+	{ 'U', "Offer/Update" },
>+	{ 'u', "Offer/Update" },
>+	{ 'L', "Answer/Lookup" },
>+	{ 'l', "Answer/Lookup" },
>+	{ 'I', "Information"},
>+	{ 'i', "Information"},
>+	{ 'X', "Close all active sessions"},
>+	{ 'x', "Close all active sessions"},
>+	{ 'D', "Delete an active session (Bye/Cancel/Error)"},
>+	{ 'd', "Delete an active session (Bye/Cancel/Error)"},
>+	{ 'P', "Start playback (music-on-hold)"},
>+	{ 'p', "Start playback (music-on-hold)"},
>+	{ 'S', "Stop playback (music-on-hold)"},
>+	{ 's', "Stop playback (music-on-hold)"},
>+	{ 'R', "Start recording"},
>+	{ 'r', "Start recording"},
>+	{ 'C', "Copy stream"},
>+	{ 'c', "Copy stream"},
>+	{ 'Q', "Query info about a session"},
>+	{ 'q', "Query info about a session"},
>+	{ 0, NULL }
>+};
>+
>+static const value_string errortypenames[] = {
>+	{ 1, "Syntax" },
>+	{ 7, "Software" },
>+	{ 8, "Not Found" },
>+	{ 0, NULL }
>+};
>+
>+static gint ett_rtpproxy = -1;
>+
>+static gint ett_rtpproxy_request = -1;
>+static gint ett_rtpproxy_command = -1;
>+static gint ett_rtpproxy_tag = -1;
>+static gint ett_rtpproxy_notify = -1;
>+
>+static gint ett_rtpproxy_reply = -1;
>+
>+void
>+rtpptoxy_add_tag(proto_tree *rtpproxy_tree, tvbuff_t *tvb, guint begin, guint end)
>+{
>+	proto_item *ti = NULL;
>+	proto_tree *another_tree = NULL;
>+	gint new_offset = tvb_find_guint8(tvb, begin, end, ';');
>+	if(new_offset == -1){
>+		ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_tag, tvb, begin, end - begin, ENC_ASCII);
>+		another_tree = proto_item_add_subtree(ti, ett_rtpproxy_tag);
>+		ti = proto_tree_add_item(another_tree, hf_rtpproxy_mediaid, tvb, new_offset+1, 0, ENC_ASCII);
>+		proto_item_set_text(ti, "Media-ID: <skipped>");
>+	}
>+	else{
>+		ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_tag, tvb, begin, new_offset - begin, ENC_ASCII);
>+		another_tree = proto_item_add_subtree(ti, ett_rtpproxy_tag);
>+		proto_tree_add_item(another_tree, hf_rtpproxy_mediaid, tvb, new_offset+1, end - (new_offset+1), ENC_ASCII);
>+	}
>+	return;
>+}
>+
>+static void
>+dissect_rtpproxy(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
>+{
>+	guint offset = 0;
>+	gint new_offset = 0;
>+	guint tmp = 0;
>+	guint realsize = 0;
>+	guint8* rawstr = NULL;
>+
>+	/* Clear out stuff in the info column - we''l set it later */
>+	col_clear(pinfo->cinfo, COL_INFO);
>+
>+	if (tree) { /* we are being asked for details */
>+		proto_item *ti = NULL;
>+		proto_tree *rtpproxy_tree = NULL;
>+		ti = proto_tree_add_item(tree, proto_rtpproxy, tvb, 0, -1, ENC_NA);
>+		rtpproxy_tree = proto_item_add_subtree(ti, ett_rtpproxy);
>+
>+		/* Extract Cookie */
>+		offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+		ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_cookie, tvb, 0, offset, ENC_ASCII);
>+
>+		/* Skip whitespace */
>+		offset = tvb_skip_wsp(tvb, offset+1, -1);
>+
>+		if (tvb_find_guint8(tvb, offset, -1, '\n') == -1){
>+			col_set_str(pinfo->cinfo, COL_PROTOCOL, "RTPproxy (no LF)");
>+			rawstr = tvb_get_string(tvb, offset, tvb_length(tvb) - offset);
>+			realsize = tvb_length(tvb);
>+		}
>+		else{
>+			col_set_str(pinfo->cinfo, COL_PROTOCOL, "RTPproxy");
>+			rawstr = tvb_get_string(tvb, offset, tvb_length(tvb) - (offset+1));
>+			realsize = tvb_length(tvb) - 1;
>+		}
>+
>+		/* Extract command */
>+		tmp = tvb_get_guint8(tvb, offset);
>+		switch (tmp)
>+		{
>+			case 'V':
>+			case 'v':
>+			case 'I':
>+			case 'i':
>+			case 'X':
>+			case 'x':
>+			case 'U':
>+			case 'u':
>+			case 'L':
>+			case 'l':
>+			case 'D':
>+			case 'd':
>+			case 'P':
>+			case 'p':
>+			case 'S':
>+			case 's':
>+				/* A specific case - Status answer */
>+				if ('e' == tvb_get_guint8(tvb, offset+1)){
>+					col_add_fstr(pinfo->cinfo, COL_INFO, "Reply: %s", rawstr);
>+					ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_reply, tvb, offset, -1, ENC_NA);
>+					proto_item_set_text(ti, "Reply");
>+
>+					rtpproxy_tree = proto_item_add_subtree(ti, ett_rtpproxy_reply);
>+
>+					new_offset = tvb_find_guint8(tvb, offset, -1, '\n');
>+					if(new_offset == -1)
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_status, tvb, offset, -1, ENC_NA);
>+					else{
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_status, tvb, offset, new_offset - offset, ENC_NA);
>+						offset = new_offset;
>+					}
>+					break;
>+				}
>+			case 'R':
>+			case 'r':
>+			case 'C':
>+			case 'c':
>+			case 'Q':
>+			case 'q':
>+				col_add_fstr(pinfo->cinfo, COL_INFO, "Request: %s", rawstr);
>+				ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_request, tvb, offset, -1, ENC_NA);
>+				proto_item_set_text(ti, "Request");
>+				rtpproxy_tree = proto_item_add_subtree(ti, ett_rtpproxy_request);
>+
>+				/* A specific case - version */
>+				if ((tmp == 'v') || (tmp == 'V')){
>+					if ('F' == tvb_get_guint8(tvb, offset+1)){
>+						/* Skip whitespace */
>+						new_offset = tvb_skip_wsp(tvb, offset+(2+1), -1);
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_version_request, tvb, offset, new_offset+8 - offset, ENC_ASCII);
>+						offset = new_offset+8;
>+					}
>+					else{
>+						ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_handshake, tvb, offset, 1, ENC_ASCII);
>+						proto_item_set_text(ti, "Handshake");
>+						/* Skip 'V' */
>+						offset++;
>+					}
>+					break;
>+				}
>+
>+				/* All other commands */
>+				ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_command, tvb, offset, 1, ENC_NA);
>+				proto_item_set_text(ti, "Command: %s", val_to_str(tmp, commandtypenames, "Unknown (0x%02x)"));
>+
>+				/* Another specific case - query information */
>+				if ((tmp == 'I') || (tmp == 'i')){
>+					/* Check for 'brief' parameter */
>+					new_offset = tvb_find_guint8(tvb, offset, -1, 'b');
>+					if(new_offset != -1){
>+						rtpproxy_tree = proto_item_add_subtree(ti, ett_rtpproxy_command);
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_command_parameters, tvb, offset+1, 1, ENC_ASCII);
>+						rtpproxy_tree = proto_item_get_parent(ti);
>+						offset = new_offset;
>+					}
>+					/* Skip one space forward */
>+					offset++;
>+					break;
>+				}
>+
>+				/* Extract parameters */
>+				new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+
>+				if(new_offset == -1){
>+					/* No more parameters */
>+					break;
>+				}
>+				if (new_offset != (gint)offset + 1){
>+					rtpproxy_tree = proto_item_add_subtree(ti, ett_rtpproxy_command);
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_command_parameters, tvb, offset+1, new_offset - (offset+1), ENC_ASCII);
>+					rtpproxy_tree = proto_item_get_parent(ti);
>+				}
>+				/* Skip whitespace */
>+				offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+
>+				/* Extract Call-ID */
>+				new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+				proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_callid, tvb, offset, new_offset - offset, ENC_ASCII);
>+				/* Skip whitespace */
>+				offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+
>+				/* Extract IP and Port in case of Offer/Answer */
>+				if ((tmp == 'U') || (tmp == 'u') || (tmp == 'L') || (tmp == 'l')){
>+					/* Extract IP */
>+					new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+					if (tvb_find_guint8(tvb, offset, new_offset - offset, ':') == -1)
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_ipv4, tvb, offset, new_offset - offset, ENC_ASCII);
>+					else
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_ipv6, tvb, offset, new_offset - offset, ENC_ASCII);
>+					/* Skip whitespace */
>+					offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+
>+					/* Extract Port */
>+					new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_port, tvb, offset, new_offset - offset, ENC_ASCII);
>+					/* Skip whitespace */
>+					offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+				}
>+
>+				/* Extract Copy target */
>+				if ((tmp == 'C') || (tmp == 'c')){
>+					new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_copy_target, tvb, offset, new_offset - offset, ENC_ASCII);
>+					/* Skip whitespace */
>+					offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+				}
>+
>+				/* Extract Playback file and codecs */
>+				if ((tmp == 'P') || (tmp == 'p')){
>+					/* Extract filename */
>+					new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_playback_filename, tvb, offset, new_offset - offset, ENC_ASCII);
>+					/* Skip whitespace */
>+					offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+
>+					/* Extract codec */
>+					new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_playback_codec, tvb, offset, new_offset - offset, ENC_ASCII);
>+					/* Skip whitespace */
>+					offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+				}
>+
>+				/* Extract first tag */
>+				new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+				if(new_offset == -1){
>+					rtpptoxy_add_tag(rtpproxy_tree, tvb, offset, realsize);
>+					/* No more parameters */
>+					break;
>+				}
>+				rtpptoxy_add_tag(rtpproxy_tree, tvb, offset, (guint)new_offset);
>+				/* Skip whitespace */
>+				offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+
>+				/* Extract second tag */
>+				new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+				if(new_offset == -1){
>+					rtpptoxy_add_tag(rtpproxy_tree, tvb, offset, realsize);
>+					/* No more parameters */
>+					break;
>+				}
>+				rtpptoxy_add_tag(rtpproxy_tree, tvb, offset, (guint)new_offset);
>+				/* Skip whitespace */
>+				offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+
>+				/* Extract Notification address */
>+				if ((tmp == 'U') || (tmp == 'u')){
>+					new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+					ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_notify, tvb, offset, realsize - offset, ENC_NA);
>+					proto_item_set_text(ti, "Notify");
>+					rtpproxy_tree = proto_item_add_subtree(ti, ett_rtpproxy_notify);
>+					if(new_offset == -1){
>+						/* FIXME only IPv4 is supported */
>+						new_offset = tvb_find_guint8(tvb, offset, -1, ':');
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_notify_ipv4, tvb, offset, new_offset - offset, ENC_ASCII);
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_notify_port, tvb, new_offset+1, realsize - (new_offset+1), ENC_ASCII);
>+						/* No more parameters */
>+						break;
>+					}
>+					if(new_offset - offset < 6){
>+						/* Only port is supplied */
>+						ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_notify_ipv4, tvb, offset, 0, ENC_ASCII);
>+						proto_item_set_text(ti, "Notification IPv4: <skipped>");
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_notify_port, tvb, offset, new_offset - offset, ENC_ASCII);
>+					}
>+					else{
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_notify_ipv4, tvb, offset, new_offset - offset, ENC_ASCII);
>+						proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_notify_port, tvb, new_offset+1, realsize - (new_offset+1), ENC_ASCII);
>+					}
>+					/* Skip whitespace */
>+					offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_notify_tag, tvb, offset, realsize - offset, ENC_ASCII);
>+				}
>+				break;
>+			case 'a':
>+				col_add_fstr(pinfo->cinfo, COL_INFO, "Reply: %s", rawstr);
>+				ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_reply, tvb, offset, -1, ENC_NA);
>+				proto_item_set_text(ti, "Reply");
>+
>+				rtpproxy_tree = proto_item_add_subtree(ti, ett_rtpproxy_reply);
>+
>+				new_offset = tvb_find_guint8(tvb, offset, -1, '\n');
>+				if(new_offset == -1)
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_status, tvb, offset, -1, ENC_NA);
>+				else{
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_status, tvb, offset, new_offset - offset, ENC_NA);
>+					offset = new_offset;
>+				}
>+				break;
>+			case '0':
>+			case '1':
>+			case '2':
>+			case '3':
>+			case '4':
>+			case '5':
>+			case '6':
>+			case '7':
>+			case '8':
>+			case '9':
>+				col_add_fstr(pinfo->cinfo, COL_INFO, "Reply: %s", rawstr);
>+				ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_reply, tvb, offset, -1, ENC_NA);
>+				proto_item_set_text(ti, "Reply");
>+
>+				rtpproxy_tree = proto_item_add_subtree(ti, ett_rtpproxy_reply);
>+
>+				if ((tmp == '0')&& ((tvb_length(tvb) == offset+1)||(tvb_length(tvb) == offset+2))){
>+					ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_ok, tvb, offset, 1, ENC_ASCII);
>+					proto_item_set_text(ti, "Reply: Ok");
>+					offset++;
>+					break;
>+				}
>+				if ((tmp == '1') && ((tvb_length(tvb) == offset+1)||(tvb_length(tvb) == offset+2))){
>+					ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_version_ok, tvb, offset, 1, ENC_ASCII);
>+					proto_item_set_text(ti, "Version supported: Yes");
>+					offset++;
>+					break;
>+				}
>+				if (tvb_length(tvb) == offset+9){
>+					ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_version_supported, tvb, offset, 8, ENC_ASCII);
>+					offset += 8;
>+					break;
>+				}
>+
>+				/* Extract Port */
>+				new_offset = tvb_find_guint8(tvb, offset, -1, ' ');
>+				proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_port, tvb, offset, new_offset - offset, ENC_ASCII);
>+				/* Skip whitespace */
>+				offset = tvb_skip_wsp(tvb, new_offset+1, -1);
>+
>+				/* Extract IP */
>+				tmp = tvb_find_line_end(tvb, offset, -1, &new_offset, FALSE);
>+				if (tvb_find_guint8(tvb, offset, -1, ':') == -1)
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_ipv4, tvb, offset, tmp, ENC_ASCII);
>+				else
>+					proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_ipv6, tvb, offset, tmp, ENC_ASCII);
>+				offset = offset + tmp;
>+				break;
>+			case 'E':
>+			case 'e':
>+				col_add_fstr(pinfo->cinfo, COL_INFO, "Error reply: %s", rawstr);
>+				ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_reply, tvb, offset, -1, ENC_NA);
>+				proto_item_set_text(ti, "Error Reply");
>+				rtpproxy_tree = proto_item_add_subtree(ti, ett_rtpproxy_reply);
>+				ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_error, tvb, offset, 2, ENC_NA);
>+				tmp = tvb_get_guint8(tvb, offset+1) - 48;
>+				proto_item_set_text(ti, "Error type: %s", val_to_str(tmp, errortypenames, "Unknown (0x%02x)"));
>+				offset += 2;
>+				break;
>+			default:
>+				break;
>+		}
>+		new_offset = tvb_find_guint8(tvb, offset, -1, '\n');
>+		if (new_offset != -1){
>+			ti = proto_tree_add_item(rtpproxy_tree, hf_rtpproxy_lf, tvb, new_offset, -1, ENC_NA);
>+			proto_item_set_text(ti, "LF (optional)");
>+		}
>+
>+		g_free(rawstr);
>+	}
>+
>+	return;
>+}
>+
>+void
>+proto_register_rtpproxy(void)
>+{
>+	static hf_register_info hf[] = {
>+		{
>+			&hf_rtpproxy_cookie,
>+			{
>+				"Cookie",
>+				"rtpproxy.cookie",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_handshake,
>+			{
>+				"Handshake",
>+				"rtpproxy.handshake",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_version_request,
>+			{
>+				"Version Request",
>+				"rtpproxy.version",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_version_supported,
>+			{
>+				"Version Supported",
>+				"rtpproxy.version_supported",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_error,
>+			{
>+				"Error",
>+				"rtpproxy.error",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_ok,
>+			{
>+				"Ok",
>+				"rtpproxy.ok",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_version_ok,
>+			{
>+				"Version Ok",
>+				"rtpproxy.version_ok",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_status,
>+			{
>+				"Status",
>+				"rtpproxy.status",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_ipv4,
>+			{
>+				"IPv4",
>+				"rtpproxy.ipv4",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_ipv6,
>+			{
>+				"IPv6",
>+				"rtpproxy.ipv6",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_port,
>+			{
>+				"Port",
>+				"rtpproxy.port",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_request,
>+			{
>+				"Request",
>+				"rtpproxy.request",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_command,
>+			{
>+				"Command",
>+				"rtpproxy.command",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_command_parameters,
>+			{
>+				"Command parameters",
>+				"rtpproxy.command_parameters",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_copy_target,
>+			{
>+				"Copy target",
>+				"rtpproxy.copy_target",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_playback_filename,
>+			{
>+				"Playback filename",
>+				"rtpproxy.playback_filename",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_playback_codec,
>+			{
>+				"Playback codec",
>+				"rtpproxy.playback_codec",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_callid,
>+			{
>+				"Call-ID",
>+				"rtpproxy.callid",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_notify,
>+			{
>+				"Notify",
>+				"rtpproxy.notify",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_tag,
>+			{
>+				"Tag",
>+				"rtpproxy.tag",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_mediaid,
>+			{
>+				"Media-ID",
>+				"rtpproxy.mediaid",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_notify_ipv4,
>+			{
>+				"Notification IPv4",
>+				"rtpproxy.notify_ipv4",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_notify_port,
>+			{
>+				"Notification Port",
>+				"rtpproxy.notify_port",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_notify_tag,
>+			{
>+				"Notification Tag",
>+				"rtpproxy.notify_tag",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_reply,
>+			{
>+				"Reply",
>+				"rtpproxy.reply",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+		{
>+			&hf_rtpproxy_lf,
>+			{
>+				"LF",
>+				"rtpproxy.lf",
>+				FT_STRING,
>+				BASE_NONE,
>+				NULL,
>+				0x0,
>+				NULL,
>+				HFILL
>+			}
>+		},
>+	};
>+
>+	/* Setup protocol subtree array */
>+	static gint *ett[] = {
>+		&ett_rtpproxy,
>+		&ett_rtpproxy_request,
>+		&ett_rtpproxy_command,
>+		&ett_rtpproxy_tag,
>+		&ett_rtpproxy_notify,
>+		&ett_rtpproxy_reply
>+	};
>+
>+	proto_rtpproxy = proto_register_protocol (
>+			"Sippy RTPproxy Protocol", /* name       */
>+			"RTPproxy",      /* short name */
>+			"rtpproxy"       /* abbrev     */
>+			);
>+
>+	proto_register_field_array(proto_rtpproxy, hf, array_length(hf));
>+	proto_register_subtree_array(ett, array_length(ett));
>+}
>+
>+void
>+proto_reg_handoff_rtpproxy(void)
>+{
>+	static dissector_handle_t rtpproxy_handle;
>+
>+	rtpproxy_handle = create_dissector_handle(dissect_rtpproxy, proto_rtpproxy);
>+
>+	dissector_add_uint("tcp.port", RTPPROXY_PORT, rtpproxy_handle);
>+	dissector_add_uint("udp.port", RTPPROXY_PORT, rtpproxy_handle);
>+}
>-- 
>1.8.1.2
>

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