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* parse ip.access messages with different (any) attribute order * identify RTP and RTCP streams to the RTP plugin
674 lines
20 KiB
Diff
674 lines
20 KiB
Diff
Index: wireshark/epan/dissectors/packet-rsl.c
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===================================================================
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--- wireshark.orig/epan/dissectors/packet-rsl.c 2009-02-28 15:39:56.000000000 +0100
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+++ wireshark/epan/dissectors/packet-rsl.c 2009-06-26 14:58:39.000000000 +0200
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@@ -2,6 +2,7 @@
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* Routines for Radio Signalling Link (RSL) dissection.
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*
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* Copyright 2007, Anders Broman <anders.broman@ericsson.com>
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+ * Copyright 2009, Harald Welte <laforge@gnumonks.org>
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*
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* $Id: packet-rsl.c 27065 2008-12-20 00:09:02Z wmeier $
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*
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@@ -44,6 +45,8 @@
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#include <epan/lapd_sapi.h>
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#include "packet-gsm_a_common.h"
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+#include "packet-rtp.h"
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+#include "packet-rtcp.h"
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/* Initialize the protocol and registered fields */
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static int proto_rsl = -1;
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@@ -116,6 +119,14 @@
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static int hf_rsl_rtd = -1;
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static int hf_rsl_delay_ind = -1;
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static int hf_rsl_tfo = -1;
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+static int hf_rsl_f4 = -1;
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+static int hf_rsl_f6 = -1;
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+static int hf_rsl_f8 = -1;
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+static int hf_rsl_fc = -1;
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+static int hf_rsl_local_port = -1;
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+static int hf_rsl_remote_port = -1;
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+static int hf_rsl_local_ip = -1;
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+static int hf_rsl_remote_ip = -1;
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/* Initialize the subtree pointers */
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static int ett_rsl = -1;
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@@ -173,6 +184,15 @@
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static int ett_ie_meas_res_no = -1;
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static int ett_ie_message_id = -1;
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static int ett_ie_sys_info_type = -1;
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+static int ett_ie_f4 = -1;
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+static int ett_ie_f6 = -1;
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+static int ett_ie_f8 = -1;
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+static int ett_ie_remote_ip = -1;
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+static int ett_ie_remote_port = -1;
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+static int ett_ie_local_port = -1;
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+static int ett_ie_local_ip = -1;
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+static int ett_ie_fc = -1;
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+
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proto_tree *top_tree;
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dissector_handle_t gsm_a_ccch_handle;
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@@ -208,8 +228,11 @@
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{ 0x06, "Common Channel Management messages" },
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{ 0x08, "TRX Management messages" },
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{ 0x16, "Location Services messages" },
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+ { 0x3f, "ip.access Vendor Specific messages" },
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{ 0, NULL }
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};
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+#define RSL_MSGDISC_IPACCESS 0x3f
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+
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/*
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* 9.2 MESSAGE TYPE
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*/
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@@ -276,6 +299,21 @@
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/* 0 1 - - - - - - Location Services messages: */
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#define RSL_MSG_LOC_INF 65 /* 8.7.1 */
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+/* Vendor-Specific messages of ip.access nanoBTS. There is no public documentation
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+ * about those extensions, all information in this dissector is based on lawful
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+ * protocol reverse enginering by Harald Welte <laforge@gnumonks.org> */
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+#define RSL_MSG_TYPE_IPAC_BIND 0x70
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+#define RSL_MSG_TYPE_IPAC_BIND_ACK 0x71
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+#define RSL_MSG_TYPE_IPAC_BIND_NACK 0x72
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+#define RSL_MSG_TYPE_IPAC_CONNECT 0x73
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+#define RSL_MSG_TYPE_IPAC_CONNECT_ACK 0x74
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+#define RSL_MSG_TYPE_IPAC_CONNECT_NACK 0x75
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+#define RSL_MSG_TYPE_IPAC_DISC_IND 0x76
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+#define RSL_IE_IPAC_REMOTE_IP 0xf0
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+#define RSL_IE_IPAC_REMOTE_PORT 0xf1
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+#define RSL_IE_IPAC_LOCAL_PORT 0xf3
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+#define RSL_IE_IPAC_LOCAL_IP 0xf5
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+
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static const value_string rsl_msg_type_vals[] = {
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/* 0 0 0 0 - - - - Radio Link Layer Management messages: */
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@@ -338,6 +376,14 @@
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{ 0x3f, "TFO MODification REQuest" }, /* 8.4.31 */
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/* 0 1 - - - - - - Location Services messages: */
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{ 0x41, "Location Information" }, /* 8.7.1 */
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+ /* ip.access */
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+ { 0x70, "ip.access BIND" },
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+ { 0x71, "ip.access BIND ACK" },
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+ { 0x72, "ip.access BIND NACK" },
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+ { 0x73, "ip.access CONNECT" },
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+ { 0x74, "ip.access CONNECT ACK" },
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+ { 0x75, "ip.access CONNECT NACK" },
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+ { 0x76, "ip.access DISCONNECT INDication" },
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{ 0, NULL }
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};
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@@ -477,6 +523,10 @@
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Not used
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*/
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+ { 0xf0, "Remote IP Address" },
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+ { 0xf1, "Remote RTP Port" },
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+ { 0xf3, "Local RTP Port" },
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+ { 0xf5, "Local IP Address" },
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{ 0, NULL }
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};
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@@ -513,6 +563,95 @@
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{ 0, NULL }
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};
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+/* From openbsc/include/openbsc/tlv.h */
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+enum tlv_type {
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+ TLV_TYPE_FIXED,
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+ TLV_TYPE_T,
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+ TLV_TYPE_TV,
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+ TLV_TYPE_TLV,
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+ TLV_TYPE_TL16V,
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+};
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+
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+struct tlv_def {
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+ enum tlv_type type;
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+ u_int8_t fixed_len;
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+};
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+
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+struct tlv_definition {
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+ struct tlv_def def[0xff];
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+};
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+
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+static const struct tlv_definition rsl_att_tlvdef = {
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+ .def = {
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+ [RSL_IE_CH_NO] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_LINK_ID] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_ACT_TYPE] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_BS_POW] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_CH_ID] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_CH_MODE] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_ENC_INF] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_FRAME_NO] = { TLV_TYPE_FIXED, 2 },
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+ [RSL_IE_HO_REF] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_L1_INF] = { TLV_TYPE_FIXED, 2 },
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+ [RSL_IE_L3_INF] = { TLV_TYPE_TL16V, 0 },
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+ [RSL_IE_MS_ID] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_MS_POW] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_PAGING_GRP] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_PAGING_LOAD] = { TLV_TYPE_FIXED, 2 },
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+ [RSL_IE_PHY_CTX] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_ACCESS_DELAY] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_RACH_LOAD] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_REQ_REF] = { TLV_TYPE_FIXED, 3 },
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+ [RSL_IE_REL_MODE] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_RESOURCE_INF] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_RLM_CAUSE] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_STARTING_TIME] = { TLV_TYPE_FIXED, 2 },
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+ [RSL_IE_TIMING_ADV] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_UPLINK_MEAS] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_CAUSE] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_MEAS_RES_NO] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_MESSAGE_ID] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_SYS_INFO_TYPE] = { TLV_TYPE_TV, 0 },
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+ //[RSL_IE_MS_POWER_PARAM] = { TLV_TYPE_TLV, 0 },
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+ //[RSL_IE_BS_POWER_PARAM] = { TLV_TYPE_TLV, 0 },
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+ //[RSL_IE_PREPROC_CONFIG] = { TLV_TYPE_TLV, 0 },
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+ //[RSL_IE_PREPROC_MEAS_RES] = { TLV_TYPE_TLV, 0 },
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+ //[RSL_IE_IMM_ASS_INFO] = { TLV_TYPE_TLV, 0 },
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+ //[RSL_IE_SMSCB_INFO] = { TLV_TYPE_FIXED, 23 },
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+ //[RSL_IE_MS_TIMING_OFFSET] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_ERR_MSG] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_FULL_BCCH_INF] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_CH_NEEDED] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_CB_CMD_TYPE] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_SMSCB_MESS] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_FULL_IMM_ASS_INF] = { TLV_TYPE_TLV, 0 },
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+ //[RSL_IE_SACCH_INFO] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_CBCH_LOAD_INF] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_SMSCB_CH_IND] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_GRP_CALL_REF] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_CH_DESC] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_NCH_DRX_INF] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_CMD_IND] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_EMLPP_PRIO] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_UIC] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_MAIN_CH_REF] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_MULTIRATE_CONF] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_MULTIRATE_CNTRL] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_SUP_CODEC_TYPES] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_CODEC_CONF] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_RTD] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_TFO_STATUS] = { TLV_TYPE_TV, 0 },
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+ [RSL_IE_LLP_APDU] = { TLV_TYPE_TLV, 0 },
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+ [RSL_IE_IPAC_REMOTE_IP] = { TLV_TYPE_FIXED, 4 },
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+ [RSL_IE_IPAC_REMOTE_PORT] = { TLV_TYPE_FIXED, 2 },
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+ [RSL_IE_IPAC_LOCAL_IP] = { TLV_TYPE_FIXED, 4 },
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+ [RSL_IE_IPAC_LOCAL_PORT] = { TLV_TYPE_FIXED, 2 },
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+ [0xf4] = { TLV_TYPE_TV, 0 },
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+ [0xf8] = { TLV_TYPE_FIXED, 2 },
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+ [0xfc] = { TLV_TYPE_TV, 0 },
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+ },
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+};
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+
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/* 9.3.1 Channel number 9.3.1 M TV 2 */
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static int
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dissect_rsl_ie_ch_no(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
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@@ -2043,7 +2182,6 @@
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proto_item_set_len(ti, length+2);
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proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
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- offset++;
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/* Received Message */
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offset = dissct_rsl_msg(tvb, pinfo, ie_tree, offset);
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@@ -2907,13 +3045,385 @@
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return ie_offset + length;
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}
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+#if 0
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+static int
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+dissect_rsl_ipac_ie_f8(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
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+{
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+ proto_item *ti;
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+ proto_tree *ie_tree;
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+ guint8 ie_id;
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+
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+ if (is_mandatory == FALSE) {
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+ ie_id = tvb_get_guint8(tvb, offset);
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+ if (ie_id != 0xf8)
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+ return offset;
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+ }
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+
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+ ti = proto_tree_add_text(tree, tvb, offset, 0, "Unknown 0xf8 IE");
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+ ie_tree = proto_item_add_subtree(ti, ett_ie_f8);
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+
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+ /* Element identifier */
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+ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
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+ offset++;
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+ /* Fixed Length */
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+ proto_item_set_len(ti, 3);
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+
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+ proto_tree_add_item(ie_tree, hf_rsl_f8, tvb, offset, 2, FALSE);
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+ offset += 2;
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+
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+ return offset;
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+}
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+
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+static int
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+dissect_rsl_ipac_ie_local_port(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
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+{
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+ proto_item *ti;
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+ proto_tree *ie_tree;
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+ guint8 ie_id;
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+
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+ if (is_mandatory == FALSE) {
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+ ie_id = tvb_get_guint8(tvb, offset);
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+ if (ie_id != RSL_IE_IPAC_LOCAL_PORT)
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+ return offset;
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+ }
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+
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+ ti = proto_tree_add_text(tree, tvb, offset, 0, "Local RTP Port IE");
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+ ie_tree = proto_item_add_subtree(ti, ett_ie_local_port);
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+
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+ /* Element identifier */
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+ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
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+ offset++;
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+ /* Fixed Length */
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+ proto_item_set_len(ti, 3);
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+
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+ proto_tree_add_item(ie_tree, hf_rsl_local_port, tvb, offset, 2, FALSE);
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+ offset += 2;
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+
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+ return offset;
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+}
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+
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+static int
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+dissect_rsl_ipac_ie_remote_port(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
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+{
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+ proto_item *ti;
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+ proto_tree *ie_tree;
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+ guint8 ie_id;
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+
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+ if (is_mandatory == FALSE) {
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+ ie_id = tvb_get_guint8(tvb, offset);
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+ if (ie_id != RSL_IE_IPAC_REMOTE_PORT)
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+ return offset;
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+ }
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+
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+ ti = proto_tree_add_text(tree, tvb, offset, 0, "Remote RTP Port IE");
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+ ie_tree = proto_item_add_subtree(ti, ett_ie_remote_port);
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+
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+ /* Element identifier */
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+ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
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+ offset++;
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+ /* Fixed Length */
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+ proto_item_set_len(ti, 3);
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+
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+ proto_tree_add_uint(ie_tree, hf_rsl_remote_port, tvb, offset, 2, FALSE);
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+ offset += 2;
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+
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+ return offset;
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+}
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+
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+static int
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+dissect_rsl_ipac_ie_local_ip(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
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+{
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+ proto_item *ti;
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+ proto_tree *ie_tree;
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+ guint8 ie_id;
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+ guint32 ip;
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+
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+ if (is_mandatory == FALSE) {
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+ ie_id = tvb_get_guint8(tvb, offset);
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+ if (ie_id != RSL_IE_IPAC_LOCAL_IP)
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+ return offset;
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+ }
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+
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+ ti = proto_tree_add_text(tree, tvb, offset, 0, "Local IP Address IE");
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+ ie_tree = proto_item_add_subtree(ti, ett_ie_local_ip);
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+
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+ /* Element identifier */
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+ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
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+ offset++;
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+ /* Fixed Length */
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+ proto_item_set_len(ti, 5);
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+
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+ ip = tvb_get_ipv4(tvb, offset);
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+ proto_tree_add_ipv4(ie_tree, hf_rsl_local_ip, tvb, offset, 4, ip);
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+ offset += 4;
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+
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+ return offset;
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+}
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+
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+static int
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+dissect_rsl_ipac_ie_remote_ip(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
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+{
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+ proto_item *ti;
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+ proto_tree *ie_tree;
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+ guint8 ie_id;
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+ guint32 ip;
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+
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+ if (is_mandatory == FALSE) {
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+ ie_id = tvb_get_guint8(tvb, offset);
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+ if (ie_id != RSL_IE_IPAC_REMOTE_IP)
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+ return offset;
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+ }
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+
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+ ti = proto_tree_add_text(tree, tvb, offset, 0, "Remote IP Address IE");
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+ ie_tree = proto_item_add_subtree(ti, ett_ie_remote_ip);
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+
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+ /* Element identifier */
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+ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
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+ offset++;
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+ /* Fixed Length */
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+ proto_item_set_len(ti, 5);
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+
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+ ip = tvb_get_ipv4(tvb, offset);
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+ proto_tree_add_ipv4(ie_tree, hf_rsl_remote_ip, tvb, offset, 4, ip);
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+ offset += 4;
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+
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+ return offset;
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+}
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+
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+static int
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+dissect_rsl_ipac_ie_f6(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
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+{
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+ proto_item *ti;
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+ proto_tree *ie_tree;
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+ guint8 length;
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+ guint8 ie_id;
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+
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+ if (is_mandatory == FALSE) {
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+ ie_id = tvb_get_guint8(tvb, offset);
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+ if (ie_id != 0xf6)
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+ return offset;
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+ }
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+
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+ ti = proto_tree_add_text(tree, tvb, offset, 0, "Unknown 0xf6 IE");
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+ ie_tree = proto_item_add_subtree(ti, ett_ie_f6);
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+
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+ /* Element identifier */
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+ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
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+ offset++;
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+
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+ /* Length */
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+ length = tvb_get_guint8(tvb, offset);
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+ offset++;
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+ proto_item_set_len(ti, length+2);
|
|
+
|
|
+ proto_tree_add_bytes(ie_tree, hf_rsl_f6, tvb, offset, length,
|
|
+ tvb_get_ptr(tvb, offset, length));
|
|
+ offset += length;
|
|
+
|
|
+ return offset;
|
|
+}
|
|
+
|
|
+static int
|
|
+dissect_rsl_ipac_ie_f4(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
|
|
+{
|
|
+ proto_item *ti;
|
|
+ proto_tree *ie_tree;
|
|
+ guint8 ie_id;
|
|
+
|
|
+ if (is_mandatory == FALSE) {
|
|
+ ie_id = tvb_get_guint8(tvb, offset);
|
|
+ if (ie_id != 0xf4)
|
|
+ return offset;
|
|
+ }
|
|
+
|
|
+ ti = proto_tree_add_text(tree, tvb, offset, 0, "Unknown 0xf4 IE");
|
|
+ ie_tree = proto_item_add_subtree(ti, ett_ie_f4);
|
|
+
|
|
+ /* Element identifier */
|
|
+ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
|
|
+ offset++;
|
|
+ /* Fixed Length */
|
|
+ proto_item_set_len(ti, 2);
|
|
+ proto_tree_add_item(ie_tree, hf_rsl_f4, tvb, offset, 1, FALSE);
|
|
+ offset++;
|
|
+
|
|
+ return offset;
|
|
+}
|
|
+
|
|
+static int
|
|
+dissect_rsl_ipac_ie_fc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
|
|
+{
|
|
+ proto_item *ti;
|
|
+ proto_tree *ie_tree;
|
|
+ guint8 ie_id;
|
|
+
|
|
+ if (is_mandatory == FALSE) {
|
|
+ ie_id = tvb_get_guint8(tvb, offset);
|
|
+ if (ie_id != 0xfc)
|
|
+ return offset;
|
|
+ }
|
|
+
|
|
+ ti = proto_tree_add_text(tree, tvb, offset, 0, "Unknown 0xfc IE");
|
|
+ ie_tree = proto_item_add_subtree(ti, ett_ie_fc);
|
|
+
|
|
+ /* Element identifier */
|
|
+ proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
|
|
+ offset++;
|
|
+ /* Fixed Length */
|
|
+ proto_item_set_len(ti, 2);
|
|
+ proto_tree_add_item(ie_tree, hf_rsl_fc, tvb, offset, 1, FALSE);
|
|
+ offset++;
|
|
+
|
|
+ return offset;
|
|
+}
|
|
+#endif
|
|
+
|
|
+static int
|
|
+dissct_rsl_ipaccess_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
+{
|
|
+ guint8 msg_type;
|
|
+ guint32 local_addr = 0;
|
|
+ guint16 local_port = 0;
|
|
+ address src_addr;
|
|
+
|
|
+ msg_type = tvb_get_guint8(tvb, offset)&0x7f;
|
|
+ offset++;
|
|
+
|
|
+ switch (msg_type) {
|
|
+ case RSL_MSG_TYPE_IPAC_BIND:
|
|
+ case RSL_MSG_TYPE_IPAC_BIND_ACK:
|
|
+ case RSL_MSG_TYPE_IPAC_BIND_NACK:
|
|
+ case RSL_MSG_TYPE_IPAC_CONNECT:
|
|
+ case RSL_MSG_TYPE_IPAC_CONNECT_ACK:
|
|
+ case RSL_MSG_TYPE_IPAC_CONNECT_NACK:
|
|
+ case RSL_MSG_TYPE_IPAC_DISC_IND:
|
|
+ /* Channel number 9.3.1 M TV 2 */
|
|
+ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
|
|
+ break;
|
|
+#if 0
|
|
+ /* Channel number 9.3.1 M TV 2 */
|
|
+ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_f8(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_local_port(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_local_ip(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_fc(tvb, pinfo, tree, offset, TRUE);
|
|
+ break;
|
|
+ /* Channel number 9.3.1 M TV 2 */
|
|
+ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
|
|
+ break;
|
|
+ /* Channel number 9.3.1 M TV 2 */
|
|
+ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_remote_ip(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_remote_port(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_f4(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_fc(tvb, pinfo, tree, offset, TRUE);
|
|
+ break;
|
|
+ /* Channel number 9.3.1 M TV 2 */
|
|
+ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_f8(tvb, pinfo, tree, offset, TRUE);
|
|
+ break;
|
|
+ /* Channel number 9.3.1 M TV 2 */
|
|
+ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
|
|
+ break;
|
|
+ /* Channel number 9.3.1 M TV 2 */
|
|
+ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_f8(tvb, pinfo, tree, offset, TRUE);
|
|
+ offset = dissect_rsl_ipac_ie_f6(tvb, pinfo, tree, offset, TRUE);
|
|
+ /* Cause 9.3.26 M TLV >=3 */
|
|
+ offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE);
|
|
+ break;
|
|
+#endif
|
|
+ }
|
|
+ /* parse remaining TLV attributes */
|
|
+ while (tvb_reported_length_remaining(tvb, offset) != 0) {
|
|
+ guint8 tag;
|
|
+ unsigned int len, hlen, len_len;
|
|
+ const struct tlv_def *tdef;
|
|
+ proto_item *ti;
|
|
+ proto_tree *ie_tree;
|
|
+
|
|
+ tag = tvb_get_guint8(tvb, offset);
|
|
+ tdef = &rsl_att_tlvdef.def[tag];
|
|
+
|
|
+ switch (tdef->type) {
|
|
+ case TLV_TYPE_FIXED:
|
|
+ hlen = 1;
|
|
+ len_len = 0;
|
|
+ len = tdef->fixed_len;
|
|
+ break;
|
|
+ case TLV_TYPE_T:
|
|
+ hlen = 1;
|
|
+ len_len = 0;
|
|
+ len = 0;
|
|
+ break;
|
|
+ case TLV_TYPE_TV:
|
|
+ hlen = 1;
|
|
+ len_len = 0;
|
|
+ len = 1;
|
|
+ break;
|
|
+ case TLV_TYPE_TLV:
|
|
+ hlen = 2;
|
|
+ len_len = 1;
|
|
+ len = tvb_get_guint8(tvb, offset+1);
|
|
+ break;
|
|
+ case TLV_TYPE_TL16V:
|
|
+ hlen = 3;
|
|
+ len_len = 2;
|
|
+ len = tvb_get_guint8(tvb, offset+1) << 8 |
|
|
+ tvb_get_guint8(tvb, offset+2);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ ti = proto_tree_add_item(tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
|
|
+ ie_tree = proto_item_add_subtree(ti, ett_ie_local_port);
|
|
+ offset += hlen;
|
|
+
|
|
+ switch (tag) {
|
|
+ case RSL_IE_CH_NO:
|
|
+ break;
|
|
+ case RSL_IE_IPAC_REMOTE_IP:
|
|
+ proto_tree_add_item(ie_tree, hf_rsl_remote_ip, tvb, offset, len, FALSE);
|
|
+ break;
|
|
+ case RSL_IE_IPAC_REMOTE_PORT:
|
|
+ proto_tree_add_item(ie_tree, hf_rsl_remote_port, tvb, offset, len, FALSE);
|
|
+ break;
|
|
+ case RSL_IE_IPAC_LOCAL_IP:
|
|
+ proto_tree_add_item(ie_tree, hf_rsl_local_ip, tvb, offset, len, FALSE);
|
|
+ local_addr = tvb_get_ipv4(tvb, offset);
|
|
+ break;
|
|
+ case RSL_IE_IPAC_LOCAL_PORT:
|
|
+ proto_tree_add_item(ie_tree, hf_rsl_local_port, tvb, offset, len, FALSE);
|
|
+ local_port = tvb_get_ntohs(tvb, offset);
|
|
+ break;
|
|
+ }
|
|
+ offset += len;
|
|
+ }
|
|
+
|
|
+ switch (msg_type) {
|
|
+ case RSL_MSG_TYPE_IPAC_BIND_ACK:
|
|
+ src_addr.type = AT_IPv4;
|
|
+ src_addr.len = 4;
|
|
+ src_addr.data = (guint8 *)&local_addr;
|
|
+ rtp_add_address(pinfo, &src_addr, local_port, 0, "GSM A-bis/IP", pinfo->fd->num, 0);
|
|
+ rtcp_add_address(pinfo, &src_addr, local_port+1, 0, "GSM A-bis/IP", pinfo->fd->num);
|
|
+ break;
|
|
+ }
|
|
+ return offset;
|
|
+}
|
|
+
|
|
static int
|
|
dissct_rsl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
- guint8 msg_type;
|
|
+ guint8 msg_disc, msg_type;
|
|
|
|
+ msg_disc = tvb_get_guint8(tvb, offset++) >> 1;
|
|
msg_type = tvb_get_guint8(tvb,offset)&0x7f;
|
|
proto_tree_add_item(tree, hf_rsl_msg_type, tvb, offset, 1, FALSE);
|
|
+
|
|
+ if (msg_disc == RSL_MSGDISC_IPACCESS) {
|
|
+ offset = dissct_rsl_ipaccess_msg(tvb, pinfo, tree, offset);
|
|
+ return offset;
|
|
+ }
|
|
offset++;
|
|
|
|
switch (msg_type){
|
|
@@ -3517,7 +4027,6 @@
|
|
/* 9.1 Message discriminator */
|
|
proto_tree_add_item(rsl_tree, hf_rsl_msg_dsc, tvb, offset, 1, FALSE);
|
|
proto_tree_add_item(rsl_tree, hf_rsl_T_bit, tvb, offset, 1, FALSE);
|
|
- offset++;
|
|
|
|
offset = dissct_rsl_msg(tvb, pinfo, rsl_tree, offset);
|
|
|
|
@@ -3883,6 +4392,46 @@
|
|
FT_UINT8, BASE_DEC, VALS(rsl_emlpp_prio_vals), 0x03,
|
|
"eMLPP Priority", HFILL }
|
|
},
|
|
+ { &hf_rsl_f4,
|
|
+ { "unknown F4 IE", "rsl.ipacc.f4",
|
|
+ FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
+ "unknown F4 IE", HFILL }
|
|
+ },
|
|
+ { &hf_rsl_f6,
|
|
+ { "unknown F6 IE", "rsl.ipacc.f6",
|
|
+ FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
+ "unknown F6 IE", HFILL }
|
|
+ },
|
|
+ { &hf_rsl_f8,
|
|
+ { "unknown F8 IE", "rsl.ipacc.f8",
|
|
+ FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
+ "unknown F8 IE", HFILL }
|
|
+ },
|
|
+ { &hf_rsl_fc,
|
|
+ { "unknown FC IE", "rsl.ipacc.fc",
|
|
+ FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
+ "unknown FC IE", HFILL }
|
|
+ },
|
|
+ { &hf_rsl_local_port,
|
|
+ { "ip.access Local RTP Port", "rsl.ipacc.local_port",
|
|
+ FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
+ "ip.access Local RTP Port", HFILL },
|
|
+ },
|
|
+ { &hf_rsl_remote_port,
|
|
+ { "ip.access Remote RTP Port", "rsl.ipacc.remote_port",
|
|
+ FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
+ "ip.access Remote RTP Port", HFILL },
|
|
+ },
|
|
+ { &hf_rsl_local_ip,
|
|
+ { "ip.access Local IP Address", "rsl.ipacc.local_ip",
|
|
+ FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
+ "ip.access Local IP Address", HFILL },
|
|
+ },
|
|
+ { &hf_rsl_remote_ip,
|
|
+ { "ip.access Remote IP Address", "rsl.ipacc.remote_ip",
|
|
+ FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
+ "ip.access Remote IP Address", HFILL },
|
|
+ },
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_rsl,
|
|
@@ -3941,6 +4490,14 @@
|
|
&ett_ie_meas_res_no,
|
|
&ett_ie_message_id,
|
|
&ett_ie_sys_info_type,
|
|
+ &ett_ie_f4,
|
|
+ &ett_ie_f6,
|
|
+ &ett_ie_f8,
|
|
+ &ett_ie_remote_ip,
|
|
+ &ett_ie_remote_port,
|
|
+ &ett_ie_local_port,
|
|
+ &ett_ie_local_ip,
|
|
+ &ett_ie_fc,
|
|
};
|
|
|
|
/* Register the protocol name and description */
|