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-rw-r--r--Src/osmoconbb/src/wireshark/gsmtap.patch445
1 files changed, 445 insertions, 0 deletions
diff --git a/Src/osmoconbb/src/wireshark/gsmtap.patch b/Src/osmoconbb/src/wireshark/gsmtap.patch
new file mode 100644
index 0000000..019c8b4
--- /dev/null
+++ b/Src/osmoconbb/src/wireshark/gsmtap.patch
@@ -0,0 +1,445 @@
+Index: epan/dissectors/packet-gsmtap.c
+===================================================================
+--- /dev/null
++++ epan/dissectors/packet-gsmtap.c
+@@ -0,0 +1,345 @@
++/* packet-gsmtap.c
++ * Routines for GSMTAP captures
++ *
++ * (C) 2008-2010 by Harald Welte <laforge@gnumonks.org>
++ *
++ * $Id$
++ *
++ * Wireshark - Network traffic analyzer
++ * By Gerald Combs <gerald@wireshark.org>
++ * Copyright 1998 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., 59 Temple Place - Suite 330, Boston, MA
++ * 02111-1307, USA.
++ *
++ */
++
++/* GSMTAP is a generic header format for GSM protocol captures,
++ * it uses the IANA-assigned UDP port number 4729 and carries
++ * payload in various formats of GSM interfaces such as Um MAC
++ * blocks or Um bursts.
++ *
++ * Example programs generating GSMTAP data are airprobe
++ * (http://airprobe.org/) or OsmocomBB (http://bb.osmocom.org/)
++ */
++
++#ifdef HAVE_CONFIG_H
++# include "config.h"
++#endif
++
++#include <glib.h>
++#include <epan/packet.h>
++#include <epan/prefs.h>
++
++#include "packet-gsmtap.h"
++
++static int proto_gsmtap = -1;
++
++static int hf_gsmtap_version = -1;
++static int hf_gsmtap_hdrlen = -1;
++static int hf_gsmtap_type = -1;
++static int hf_gsmtap_timeslot = -1;
++static int hf_gsmtap_subslot = -1;
++static int hf_gsmtap_arfcn = -1;
++static int hf_gsmtap_uplink = -1;
++static int hf_gsmtap_noise_dbm = -1;
++static int hf_gsmtap_signal_dbm = -1;
++static int hf_gsmtap_frame_nr = -1;
++static int hf_gsmtap_burst_type = -1;
++static int hf_gsmtap_channel_type = -1;
++static int hf_gsmtap_antenna = -1;
++
++static int hf_sacch_l1h_power_lev = -1;
++static int hf_sacch_l1h_fpc = -1;
++static int hf_sacch_l1h_ta = -1;
++
++static gint ett_gsmtap = -1;
++
++enum {
++ GSMTAP_SUB_DATA = 0,
++ GSMTAP_SUB_UM,
++ GSMTAP_SUB_UM_LAPDM,
++ GSMTAP_SUB_ABIS,
++
++ GSMTAP_SUB_MAX
++};
++
++static dissector_handle_t sub_handles[GSMTAP_SUB_MAX];
++
++static const value_string gsmtap_bursts[] = {
++ { GSMTAP_BURST_UNKNOWN, "UNKNOWN" },
++ { GSMTAP_BURST_FCCH, "FCCH" },
++ { GSMTAP_BURST_PARTIAL_SCH, "PARTIAL SCH" },
++ { GSMTAP_BURST_SCH, "SCH" },
++ { GSMTAP_BURST_CTS_SCH, "CTS SCH" },
++ { GSMTAP_BURST_COMPACT_SCH, "COMPACT SCH" },
++ { GSMTAP_BURST_NORMAL, "NORMAL" },
++ { GSMTAP_BURST_DUMMY, "DUMMY" },
++ { GSMTAP_BURST_ACCESS, "RACH" },
++ { 0, NULL },
++};
++
++static const value_string gsmtap_channels[] = {
++ { GSMTAP_CHANNEL_UNKNOWN, "UNKNOWN" },
++ { GSMTAP_CHANNEL_BCCH, "BCCH" },
++ { GSMTAP_CHANNEL_CCCH, "CCCH" },
++ { GSMTAP_CHANNEL_RACH, "RACH" },
++ { GSMTAP_CHANNEL_AGCH, "AGCH" },
++ { GSMTAP_CHANNEL_PCH, "PCH" },
++ { GSMTAP_CHANNEL_SDCCH, "SDCCH" },
++ { GSMTAP_CHANNEL_SDCCH4, "SDCCH/4" },
++ { GSMTAP_CHANNEL_SDCCH8, "SDCCH/8" },
++ { GSMTAP_CHANNEL_TCH_F, "FACCH/F" },
++ { GSMTAP_CHANNEL_TCH_H, "FACCH/H" },
++ { GSMTAP_CHANNEL_ACCH|
++ GSMTAP_CHANNEL_SDCCH, "LSACCH" },
++ { GSMTAP_CHANNEL_ACCH|
++ GSMTAP_CHANNEL_SDCCH4, "SACCH/4" },
++ { GSMTAP_CHANNEL_ACCH|
++ GSMTAP_CHANNEL_SDCCH8, "SACCH/8" },
++ { GSMTAP_CHANNEL_ACCH|
++ GSMTAP_CHANNEL_TCH_F, "SACCH/F" },
++ { GSMTAP_CHANNEL_ACCH|
++ GSMTAP_CHANNEL_TCH_F, "SACCH/H" },
++ { 0, NULL },
++};
++
++static const value_string gsmtap_types[] = {
++ { GSMTAP_TYPE_UM, "GSM Um (MS<->BTS)" },
++ { GSMTAP_TYPE_ABIS, "GSM Abis (BTS<->BSC)" },
++ { GSMTAP_TYPE_UM_BURST, "GSM Um burst (MS<->BTS)" },
++ { 0, NULL },
++};
++
++/* dissect a SACCH L1 header which is included in the first 2 bytes
++ * of every SACCH frame (according to TS 04.04) */
++static void
++dissect_sacch_l1h(tvbuff_t *tvb, proto_tree *tree)
++{
++ proto_item *ti;
++ proto_tree *l1h_tree = NULL;
++
++ if (!tree)
++ return;
++
++ ti = proto_tree_add_protocol_format(tree, proto_gsmtap, tvb, 0, 2,
++ "SACCH L1 Header, Power Level: %u, Timing Advance: %u",
++ tvb_get_guint8(tvb, 0) & 0x1f,
++ tvb_get_guint8(tvb, 1));
++ l1h_tree = proto_item_add_subtree(ti, ett_gsmtap);
++ /* Power Level */
++ proto_tree_add_item(l1h_tree, hf_sacch_l1h_power_lev, tvb, 0, 1, FALSE);
++ /* Fast Power Control */
++ proto_tree_add_item(l1h_tree, hf_sacch_l1h_fpc, tvb, 0, 1, FALSE);
++ /* Acutal Timing Advance */
++ proto_tree_add_item(l1h_tree, hf_sacch_l1h_ta, tvb, 1, 1, FALSE);
++}
++
++/* dissect a GSMTAP header and hand payload off to respective dissector */
++static void
++dissect_gsmtap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
++{
++ int sub_handle, len, offset = 0;
++ proto_item *ti;
++ proto_tree *gsmtap_tree = NULL;
++ tvbuff_t *payload_tvb, *l1h_tvb = NULL;
++ guint8 hdr_len, type, sub_type;
++ guint16 arfcn;
++
++ len = tvb_length(tvb);
++
++ hdr_len = tvb_get_guint8(tvb, offset + 1) <<2;
++ type = tvb_get_guint8(tvb, offset + 2);
++ sub_type = tvb_get_guint8(tvb, offset + 12);
++ arfcn = tvb_get_ntohs(tvb, offset + 4);
++
++ /* In case of a SACCH, there is a two-byte L1 header in front
++ * of the packet (see TS 04.04) */
++ if (type == GSMTAP_TYPE_UM &&
++ sub_type & GSMTAP_CHANNEL_ACCH) {
++ l1h_tvb = tvb_new_subset(tvb, hdr_len, 2, 2);
++ payload_tvb = tvb_new_subset(tvb, hdr_len+2, len-(hdr_len+2),
++ len-(hdr_len+2));
++ } else {
++ payload_tvb = tvb_new_subset(tvb, hdr_len, len-hdr_len,
++ len-hdr_len);
++ }
++
++ /* We don't want any UDP related info left in the INFO field, as the
++ * gsm_a_dtap dissector will not clear but only append */
++ col_clear(pinfo->cinfo, COL_INFO);
++
++ col_set_str(pinfo->cinfo, COL_PROTOCOL, "GSMTAP");
++
++ if (arfcn & GSMTAP_ARFCN_F_UPLINK) {
++ col_append_str(pinfo->cinfo, COL_RES_NET_SRC, "MS");
++ col_append_str(pinfo->cinfo, COL_RES_NET_DST, "BTS");
++ /* p2p_dir is used by the LAPDm dissector */
++ pinfo->p2p_dir = P2P_DIR_SENT;
++ } else {
++ col_set_str(pinfo->cinfo, COL_RES_NET_SRC, "BTS");
++ switch (sub_type & ~GSMTAP_CHANNEL_ACCH) {
++ case GSMTAP_CHANNEL_BCCH:
++ case GSMTAP_CHANNEL_CCCH:
++ case GSMTAP_CHANNEL_PCH:
++ case GSMTAP_CHANNEL_AGCH:
++ col_set_str(pinfo->cinfo, COL_RES_NET_DST, "Broadcast");
++ break;
++ default:
++ col_set_str(pinfo->cinfo, COL_RES_NET_DST, "MS");
++ break;
++ }
++ /* p2p_dir is used by the LAPDm dissector */
++ pinfo->p2p_dir = P2P_DIR_RECV;
++ }
++
++ if (tree) {
++ ti = proto_tree_add_protocol_format(tree, proto_gsmtap, tvb, 0, hdr_len,
++ "GSM TAP Header, ARFCN: %u (%s), TS: %u, Channel: %s (%u)",
++ arfcn & GSMTAP_ARFCN_MASK,
++ arfcn & GSMTAP_ARFCN_F_UPLINK ? "Uplink" : "Downlink",
++ tvb_get_guint8(tvb, offset+3),
++ match_strval(tvb_get_guint8(tvb, offset+12), gsmtap_channels),
++ tvb_get_guint8(tvb, offset+14));
++ gsmtap_tree = proto_item_add_subtree(ti, ett_gsmtap);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_version,
++ tvb, offset, 1, FALSE);
++ proto_tree_add_uint_format(gsmtap_tree, hf_gsmtap_hdrlen,
++ tvb, offset+1, 1, hdr_len,
++ "Header length: %u bytes", hdr_len);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_type,
++ tvb, offset+2, 1, FALSE);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_timeslot,
++ tvb, offset+3, 1, FALSE);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_arfcn,
++ tvb, offset+4, 2, FALSE);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_uplink,
++ tvb, offset+4, 2, FALSE);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_noise_dbm,
++ tvb, offset+6, 1, FALSE);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_signal_dbm,
++ tvb, offset+7, 1, FALSE);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_frame_nr,
++ tvb, offset+8, 4, FALSE);
++ if (type == GSMTAP_TYPE_UM_BURST)
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_burst_type,
++ tvb, offset+12, 1, FALSE);
++ else if (type == GSMTAP_TYPE_UM)
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_channel_type,
++ tvb, offset+12, 1, FALSE);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_antenna,
++ tvb, offset+13, 1, FALSE);
++ proto_tree_add_item(gsmtap_tree, hf_gsmtap_subslot,
++ tvb, offset+14, 1, FALSE);
++ }
++
++ switch (type) {
++ case GSMTAP_TYPE_UM:
++ if (l1h_tvb)
++ dissect_sacch_l1h(l1h_tvb, tree);
++ switch (sub_type & ~GSMTAP_CHANNEL_ACCH) {
++ case GSMTAP_CHANNEL_BCCH:
++ case GSMTAP_CHANNEL_CCCH:
++ case GSMTAP_CHANNEL_PCH:
++ case GSMTAP_CHANNEL_AGCH:
++ /* FIXME: we might want to skip idle frames */
++ sub_handle = GSMTAP_SUB_UM;
++ break;
++ case GSMTAP_CHANNEL_SDCCH:
++ case GSMTAP_CHANNEL_SDCCH4:
++ case GSMTAP_CHANNEL_SDCCH8:
++ case GSMTAP_CHANNEL_TCH_F:
++ case GSMTAP_CHANNEL_TCH_H:
++ sub_handle = GSMTAP_SUB_UM_LAPDM;
++ break;
++ case GSMTAP_CHANNEL_RACH:
++ default:
++ sub_handle = GSMTAP_SUB_DATA;
++ break;
++ }
++ break;
++ case GSMTAP_TYPE_UM_BURST:
++ default:
++ sub_handle = GSMTAP_SUB_DATA;
++ break;
++ }
++ call_dissector(sub_handles[sub_handle], payload_tvb, pinfo, tree);
++}
++
++static const true_false_string sacch_l1h_fpc_mode_vals = {
++ "In use",
++ "Not in use"
++};
++
++void
++proto_register_gsmtap(void)
++{
++ static hf_register_info hf[] = {
++ { &hf_gsmtap_version, { "Version", "gsmtap.version",
++ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
++ { &hf_gsmtap_hdrlen, { "Header Length", "gsmtap.hdr_len",
++ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
++ { &hf_gsmtap_type, { "Payload Type", "gsmtap.type",
++ FT_UINT8, BASE_DEC, VALS(gsmtap_types), 0, NULL, HFILL } },
++ { &hf_gsmtap_timeslot, { "Time Slot", "gsmtap.ts",
++ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
++ { &hf_gsmtap_arfcn, { "ARFCN", "gsmtap.arfcn",
++ FT_UINT16, BASE_DEC, NULL, GSMTAP_ARFCN_MASK, NULL, HFILL } },
++ { &hf_gsmtap_uplink, { "Uplink", "gsmtap.uplink",
++ FT_UINT16, BASE_DEC, NULL, GSMTAP_ARFCN_F_UPLINK, NULL, HFILL } },
++ { &hf_gsmtap_noise_dbm, { "Signal/Noise Ratio (dB)", "gsmtap.snr_db",
++ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
++ { &hf_gsmtap_signal_dbm, { "Signal Level (dBm)", "gsmtap.signal_dbm",
++ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
++ { &hf_gsmtap_frame_nr, { "GSM Frame Number", "gsmtap.frame_nr",
++ FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL } },
++ { &hf_gsmtap_burst_type, { "Burst Type", "gsmtap.burst_type",
++ FT_UINT8, BASE_DEC, VALS(gsmtap_bursts), 0, NULL, HFILL }},
++ { &hf_gsmtap_channel_type, { "Channel Type", "gsmtap.chan_type",
++ FT_UINT8, BASE_DEC, VALS(gsmtap_channels), 0, NULL, HFILL }},
++ { &hf_gsmtap_antenna, { "Antenna Number", "gsmtap.antenna",
++ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
++ { &hf_gsmtap_subslot, { "Sub-Slot", "gsmtap.sub_slot",
++ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
++
++ { &hf_sacch_l1h_power_lev, { "MS power level", "gsmtap.sacch_l1.power_lev",
++ FT_UINT8, BASE_DEC, NULL, 0x1f, NULL, HFILL } },
++ { &hf_sacch_l1h_fpc, { "FPC", "gsmtap.sacch_l1.fpc",
++ FT_BOOLEAN, 8, TFS(&sacch_l1h_fpc_mode_vals), 0x04,
++ NULL, HFILL } },
++ { &hf_sacch_l1h_ta, { "Actual Timing Advance", "gsmtap.sacch_l1.ta",
++ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
++ };
++ static gint *ett[] = {
++ &ett_gsmtap
++ };
++
++ proto_gsmtap = proto_register_protocol("GSM Radiotap", "GSMTAP", "gsmtap");
++ proto_register_field_array(proto_gsmtap, hf, array_length(hf));
++ proto_register_subtree_array(ett, array_length(ett));
++}
++
++void
++proto_reg_handoff_gsmtap(void)
++{
++ dissector_handle_t gsmtap_handle;
++
++ sub_handles[GSMTAP_SUB_DATA] = find_dissector("data");
++ sub_handles[GSMTAP_SUB_UM] = find_dissector("gsm_a_ccch");
++ sub_handles[GSMTAP_SUB_UM_LAPDM] = find_dissector("lapdm");
++ sub_handles[GSMTAP_SUB_ABIS] = find_dissector("gsm_a_dtap");
++ gsmtap_handle = create_dissector_handle(dissect_gsmtap, proto_gsmtap);
++ dissector_add("udp.port", GSMTAP_UDP_PORT, gsmtap_handle);
++}
+Index: epan/dissectors/packet-gsmtap.h
+===================================================================
+--- /dev/null
++++ epan/dissectors/packet-gsmtap.h
+@@ -0,0 +1,70 @@
++#ifndef _GSMTAP_H
++#define _GSMTAP_H
++
++/* gsmtap header, pseudo-header in front of the actua/ GSM payload */
++
++/* GSMTAP is a generic header format for GSM protocol captures,
++ * it uses the IANA-assigned UDP port number 4729 and carries
++ * payload in various formats of GSM interfaces such as Um MAC
++ * blocks or Um bursts.
++ *
++ * Example programs generating GSMTAP data are airprobe
++ * (http://airprobe.org/) or OsmocomBB (http://bb.osmocom.org/)
++ */
++
++#define GSMTAP_TYPE_UM 0x01
++#define GSMTAP_TYPE_ABIS 0x02
++#define GSMTAP_TYPE_UM_BURST 0x03 /* raw burst bits */
++
++#define GSMTAP_BURST_UNKNOWN 0x00
++#define GSMTAP_BURST_FCCH 0x01
++#define GSMTAP_BURST_PARTIAL_SCH 0x02
++#define GSMTAP_BURST_SCH 0x03
++#define GSMTAP_BURST_CTS_SCH 0x04
++#define GSMTAP_BURST_COMPACT_SCH 0x05
++#define GSMTAP_BURST_NORMAL 0x06
++#define GSMTAP_BURST_DUMMY 0x07
++#define GSMTAP_BURST_ACCESS 0x08
++#define GSMTAP_BURST_NONE 0x09
++
++#define GSMTAP_CHANNEL_UNKNOWN 0x00
++#define GSMTAP_CHANNEL_BCCH 0x01
++#define GSMTAP_CHANNEL_CCCH 0x02
++#define GSMTAP_CHANNEL_RACH 0x03
++#define GSMTAP_CHANNEL_AGCH 0x04
++#define GSMTAP_CHANNEL_PCH 0x05
++#define GSMTAP_CHANNEL_SDCCH 0x06
++#define GSMTAP_CHANNEL_SDCCH4 0x07
++#define GSMTAP_CHANNEL_SDCCH8 0x08
++#define GSMTAP_CHANNEL_TCH_F 0x09
++#define GSMTAP_CHANNEL_TCH_H 0x0a
++#define GSMTAP_CHANNEL_ACCH 0x80
++
++#define GSMTAP_ARFCN_F_PCS 0x8000
++#define GSMTAP_ARFCN_F_UPLINK 0x4000
++#define GSMTAP_ARFCN_MASK 0x3fff
++
++#define GSMTAP_UDP_PORT 4729
++
++/* This is the header as it is used by gsmtap-generating software.
++ * It is not used by the wireshark dissector and provided for reference only.
++struct gsmtap_hdr {
++ guint8 version; // version, set to 0x01 currently
++ guint8 hdr_len; // length in number of 32bit words
++ guint8 type; // see GSMTAP_TYPE_*
++ guint8 timeslot; // timeslot (0..7 on Um)
++
++ guint16 arfcn; // ARFCN (frequency)
++ gint8 signal_dbm; // signal level in dBm
++ gint8 snr_db; // signal/noise ratio in dB
++
++ guint32 frame_number; // GSM Frame Number (FN)
++
++ guint8 sub_type; // Type of burst/channel, see above
++ guint8 antenna_nr; // Antenna Number
++ guint8 sub_slot; // sub-slot within timeslot
++ guint8 res; // reserved for future use (RFU)
++}
++ */
++
++#endif /* _GSMTAP_H */
+Index: epan/dissectors/Makefile.common
+===================================================================
+--- epan/dissectors/Makefile.common.orig
++++ epan/dissectors/Makefile.common
+@@ -484,6 +484,7 @@
+ packet-gsm_sms.c \
+ packet-gsm_sms_ud.c \
+ packet-gsm_um.c \
++ packet-gsmtap.c \
+ packet-gssapi.c \
+ packet-gtp.c \
+ packet-gtpv2.c \
+@@ -1072,6 +1073,7 @@
+ packet-gsm_a_common.h \
+ packet-gsm_map.h \
+ packet-gsm_sms.h \
++ packet-gsmtap.h \
+ packet-gssapi.h \
+ packet-gtp.h \
+ packet-h223.h \