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authorHarald Welte <laforge@gnumonks.org>2009-06-26 15:04:00 +0200
committerHarald Welte <laforge@gnumonks.org>2009-06-26 15:04:00 +0200
commit9e20bc58ce43cb8f4b6c6e8011429594a09f944b (patch)
treeba4662f12ac4577a06432310a3c5c5c62287ea0b
parent560982b5d658fa5a8455eb5e2f21911496f878f0 (diff)
updated RSL wireshark patch
* parse ip.access messages with different (any) attribute order * identify RTP and RTCP streams to the RTP plugin
-rw-r--r--wireshark/rsl-ipaccess.patch258
1 files changed, 225 insertions, 33 deletions
diff --git a/wireshark/rsl-ipaccess.patch b/wireshark/rsl-ipaccess.patch
index 030f07eef..1cb4c5c61 100644
--- a/wireshark/rsl-ipaccess.patch
+++ b/wireshark/rsl-ipaccess.patch
@@ -1,7 +1,7 @@
Index: wireshark/epan/dissectors/packet-rsl.c
===================================================================
---- wireshark.orig/epan/dissectors/packet-rsl.c 2009-02-22 15:39:34.000000000 +0100
-+++ wireshark/epan/dissectors/packet-rsl.c 2009-02-22 17:27:51.000000000 +0100
+--- wireshark.orig/epan/dissectors/packet-rsl.c 2009-02-28 15:39:56.000000000 +0100
++++ wireshark/epan/dissectors/packet-rsl.c 2009-06-26 14:58:39.000000000 +0200
@@ -2,6 +2,7 @@
* Routines for Radio Signalling Link (RSL) dissection.
*
@@ -10,7 +10,16 @@ Index: wireshark/epan/dissectors/packet-rsl.c
*
* $Id: packet-rsl.c 27065 2008-12-20 00:09:02Z wmeier $
*
-@@ -116,6 +117,14 @@
+@@ -44,6 +45,8 @@
+ #include <epan/lapd_sapi.h>
+
+ #include "packet-gsm_a_common.h"
++#include "packet-rtp.h"
++#include "packet-rtcp.h"
+
+ /* Initialize the protocol and registered fields */
+ static int proto_rsl = -1;
+@@ -116,6 +119,14 @@
static int hf_rsl_rtd = -1;
static int hf_rsl_delay_ind = -1;
static int hf_rsl_tfo = -1;
@@ -25,7 +34,7 @@ Index: wireshark/epan/dissectors/packet-rsl.c
/* Initialize the subtree pointers */
static int ett_rsl = -1;
-@@ -173,6 +182,15 @@
+@@ -173,6 +184,15 @@
static int ett_ie_meas_res_no = -1;
static int ett_ie_message_id = -1;
static int ett_ie_sys_info_type = -1;
@@ -41,7 +50,7 @@ Index: wireshark/epan/dissectors/packet-rsl.c
proto_tree *top_tree;
dissector_handle_t gsm_a_ccch_handle;
-@@ -208,8 +226,11 @@
+@@ -208,8 +228,11 @@
{ 0x06, "Common Channel Management messages" },
{ 0x08, "TRX Management messages" },
{ 0x16, "Location Services messages" },
@@ -53,7 +62,29 @@ Index: wireshark/epan/dissectors/packet-rsl.c
/*
* 9.2 MESSAGE TYPE
*/
-@@ -338,6 +359,14 @@
+@@ -276,6 +299,21 @@
+ /* 0 1 - - - - - - Location Services messages: */
+ #define RSL_MSG_LOC_INF 65 /* 8.7.1 */
+
++/* Vendor-Specific messages of ip.access nanoBTS. There is no public documentation
++ * about those extensions, all information in this dissector is based on lawful
++ * protocol reverse enginering by Harald Welte <laforge@gnumonks.org> */
++#define RSL_MSG_TYPE_IPAC_BIND 0x70
++#define RSL_MSG_TYPE_IPAC_BIND_ACK 0x71
++#define RSL_MSG_TYPE_IPAC_BIND_NACK 0x72
++#define RSL_MSG_TYPE_IPAC_CONNECT 0x73
++#define RSL_MSG_TYPE_IPAC_CONNECT_ACK 0x74
++#define RSL_MSG_TYPE_IPAC_CONNECT_NACK 0x75
++#define RSL_MSG_TYPE_IPAC_DISC_IND 0x76
++#define RSL_IE_IPAC_REMOTE_IP 0xf0
++#define RSL_IE_IPAC_REMOTE_PORT 0xf1
++#define RSL_IE_IPAC_LOCAL_PORT 0xf3
++#define RSL_IE_IPAC_LOCAL_IP 0xf5
++
+
+ static const value_string rsl_msg_type_vals[] = {
+ /* 0 0 0 0 - - - - Radio Link Layer Management messages: */
+@@ -338,6 +376,14 @@
{ 0x3f, "TFO MODification REQuest" }, /* 8.4.31 */
/* 0 1 - - - - - - Location Services messages: */
{ 0x41, "Location Information" }, /* 8.7.1 */
@@ -68,7 +99,7 @@ Index: wireshark/epan/dissectors/packet-rsl.c
{ 0, NULL }
};
-@@ -477,6 +506,10 @@
+@@ -477,6 +523,10 @@
Not used
*/
@@ -79,7 +110,103 @@ Index: wireshark/epan/dissectors/packet-rsl.c
{ 0, NULL }
};
-@@ -2043,7 +2076,6 @@
+@@ -513,6 +563,95 @@
+ { 0, NULL }
+ };
+
++/* From openbsc/include/openbsc/tlv.h */
++enum tlv_type {
++ TLV_TYPE_FIXED,
++ TLV_TYPE_T,
++ TLV_TYPE_TV,
++ TLV_TYPE_TLV,
++ TLV_TYPE_TL16V,
++};
++
++struct tlv_def {
++ enum tlv_type type;
++ u_int8_t fixed_len;
++};
++
++struct tlv_definition {
++ struct tlv_def def[0xff];
++};
++
++static const struct tlv_definition rsl_att_tlvdef = {
++ .def = {
++ [RSL_IE_CH_NO] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_LINK_ID] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_ACT_TYPE] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_BS_POW] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_CH_ID] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_CH_MODE] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_ENC_INF] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_FRAME_NO] = { TLV_TYPE_FIXED, 2 },
++ [RSL_IE_HO_REF] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_L1_INF] = { TLV_TYPE_FIXED, 2 },
++ [RSL_IE_L3_INF] = { TLV_TYPE_TL16V, 0 },
++ [RSL_IE_MS_ID] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_MS_POW] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_PAGING_GRP] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_PAGING_LOAD] = { TLV_TYPE_FIXED, 2 },
++ [RSL_IE_PHY_CTX] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_ACCESS_DELAY] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_RACH_LOAD] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_REQ_REF] = { TLV_TYPE_FIXED, 3 },
++ [RSL_IE_REL_MODE] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_RESOURCE_INF] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_RLM_CAUSE] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_STARTING_TIME] = { TLV_TYPE_FIXED, 2 },
++ [RSL_IE_TIMING_ADV] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_UPLINK_MEAS] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_CAUSE] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_MEAS_RES_NO] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_MESSAGE_ID] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_SYS_INFO_TYPE] = { TLV_TYPE_TV, 0 },
++ //[RSL_IE_MS_POWER_PARAM] = { TLV_TYPE_TLV, 0 },
++ //[RSL_IE_BS_POWER_PARAM] = { TLV_TYPE_TLV, 0 },
++ //[RSL_IE_PREPROC_CONFIG] = { TLV_TYPE_TLV, 0 },
++ //[RSL_IE_PREPROC_MEAS_RES] = { TLV_TYPE_TLV, 0 },
++ //[RSL_IE_IMM_ASS_INFO] = { TLV_TYPE_TLV, 0 },
++ //[RSL_IE_SMSCB_INFO] = { TLV_TYPE_FIXED, 23 },
++ //[RSL_IE_MS_TIMING_OFFSET] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_ERR_MSG] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_FULL_BCCH_INF] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_CH_NEEDED] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_CB_CMD_TYPE] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_SMSCB_MESS] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_FULL_IMM_ASS_INF] = { TLV_TYPE_TLV, 0 },
++ //[RSL_IE_SACCH_INFO] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_CBCH_LOAD_INF] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_SMSCB_CH_IND] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_GRP_CALL_REF] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_CH_DESC] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_NCH_DRX_INF] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_CMD_IND] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_EMLPP_PRIO] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_UIC] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_MAIN_CH_REF] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_MULTIRATE_CONF] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_MULTIRATE_CNTRL] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_SUP_CODEC_TYPES] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_CODEC_CONF] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_RTD] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_TFO_STATUS] = { TLV_TYPE_TV, 0 },
++ [RSL_IE_LLP_APDU] = { TLV_TYPE_TLV, 0 },
++ [RSL_IE_IPAC_REMOTE_IP] = { TLV_TYPE_FIXED, 4 },
++ [RSL_IE_IPAC_REMOTE_PORT] = { TLV_TYPE_FIXED, 2 },
++ [RSL_IE_IPAC_LOCAL_IP] = { TLV_TYPE_FIXED, 4 },
++ [RSL_IE_IPAC_LOCAL_PORT] = { TLV_TYPE_FIXED, 2 },
++ [0xf4] = { TLV_TYPE_TV, 0 },
++ [0xf8] = { TLV_TYPE_FIXED, 2 },
++ [0xfc] = { TLV_TYPE_TV, 0 },
++ },
++};
++
+ /* 9.3.1 Channel number 9.3.1 M TV 2 */
+ static int
+ dissect_rsl_ie_ch_no(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
+@@ -2043,7 +2182,6 @@
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
@@ -87,25 +214,11 @@ Index: wireshark/epan/dissectors/packet-rsl.c
/* Received Message */
offset = dissct_rsl_msg(tvb, pinfo, ie_tree, offset);
-@@ -2907,13 +2939,320 @@
+@@ -2907,13 +3045,385 @@
return ie_offset + length;
}
-+/* Vendor-Specific messages of ip.access nanoBTS. There is no public documentation
-+ * about those extensions, all information in this dissector is based on lawful
-+ * protocol reverse enginering by Harald Welte <laforge@gnumonks.org> */
-+#define RSL_MSG_TYPE_IPAC_BIND 0x70
-+#define RSL_MSG_TYPE_IPAC_BIND_ACK 0x71
-+#define RSL_MSG_TYPE_IPAC_BIND_NACK 0x72
-+#define RSL_MSG_TYPE_IPAC_CONNECT 0x73
-+#define RSL_MSG_TYPE_IPAC_CONNECT_ACK 0x74
-+#define RSL_MSG_TYPE_IPAC_CONNECT_NACK 0x75
-+#define RSL_MSG_TYPE_IPAC_DISC_IND 0x76
-+#define RSL_IE_IPAC_REMOTE_IP 0xf0
-+#define RSL_IE_IPAC_REMOTE_PORT 0xf1
-+#define RSL_IE_IPAC_LOCAL_PORT 0xf3
-+#define RSL_IE_IPAC_LOCAL_IP 0xf5
-+
++#if 0
+static int
+dissect_rsl_ipac_ie_f8(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
+{
@@ -336,21 +449,31 @@ Index: wireshark/epan/dissectors/packet-rsl.c
+
+ 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;
-+ case RSL_MSG_TYPE_IPAC_BIND_ACK:
++#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);
@@ -358,11 +481,9 @@ Index: wireshark/epan/dissectors/packet-rsl.c
+ offset = dissect_rsl_ipac_ie_local_ip(tvb, pinfo, tree, offset, TRUE);
+ offset = dissect_rsl_ipac_ie_fc(tvb, pinfo, tree, offset, TRUE);
+ break;
-+ case RSL_MSG_TYPE_IPAC_BIND_NACK:
+ /* Channel number 9.3.1 M TV 2 */
+ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
+ break;
-+ case RSL_MSG_TYPE_IPAC_CONNECT:
+ /* 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);
@@ -370,16 +491,13 @@ Index: wireshark/epan/dissectors/packet-rsl.c
+ offset = dissect_rsl_ipac_ie_f4(tvb, pinfo, tree, offset, TRUE);
+ offset = dissect_rsl_ipac_ie_fc(tvb, pinfo, tree, offset, TRUE);
+ break;
-+ case RSL_MSG_TYPE_IPAC_CONNECT_ACK:
+ /* 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;
-+ case RSL_MSG_TYPE_IPAC_CONNECT_NACK:
+ /* Channel number 9.3.1 M TV 2 */
+ offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
+ break;
-+ 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);
+ offset = dissect_rsl_ipac_ie_f8(tvb, pinfo, tree, offset, TRUE);
@@ -387,8 +505,82 @@ Index: wireshark/epan/dissectors/packet-rsl.c
+ /* 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;
+}
+
@@ -409,7 +601,7 @@ Index: wireshark/epan/dissectors/packet-rsl.c
offset++;
switch (msg_type){
-@@ -3517,7 +3856,6 @@
+@@ -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);
@@ -417,7 +609,7 @@ Index: wireshark/epan/dissectors/packet-rsl.c
offset = dissct_rsl_msg(tvb, pinfo, rsl_tree, offset);
-@@ -3883,6 +4221,46 @@
+@@ -3883,6 +4392,46 @@
FT_UINT8, BASE_DEC, VALS(rsl_emlpp_prio_vals), 0x03,
"eMLPP Priority", HFILL }
},
@@ -464,7 +656,7 @@ Index: wireshark/epan/dissectors/packet-rsl.c
};
static gint *ett[] = {
&ett_rsl,
-@@ -3941,6 +4319,14 @@
+@@ -3941,6 +4490,14 @@
&ett_ie_meas_res_no,
&ett_ie_message_id,
&ett_ie_sys_info_type,