summaryrefslogtreecommitdiffstats
path: root/epan/dissectors/packet-tpkt.c
diff options
context:
space:
mode:
Diffstat (limited to 'epan/dissectors/packet-tpkt.c')
-rw-r--r--epan/dissectors/packet-tpkt.c721
1 files changed, 721 insertions, 0 deletions
diff --git a/epan/dissectors/packet-tpkt.c b/epan/dissectors/packet-tpkt.c
new file mode 100644
index 00000000..c029f9ee
--- /dev/null
+++ b/epan/dissectors/packet-tpkt.c
@@ -0,0 +1,721 @@
+/* packet-tpkt.c
+ *
+ * Routine to check for RFC 1006 TPKT header and to dissect TPKT header
+ * Copyright 2000, Philips Electronics N.V.
+ * Andreas Sikkema <h323@ramdyne.nl>
+ *
+ * Routine to dissect RFC 1006 TPKT packet containing OSI TP PDU
+ * Copyright 2001, Martin Thomas <Martin_A_Thomas@yahoo.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/exceptions.h>
+#include <epan/prefs.h>
+#include <epan/show_exception.h>
+#include <epan/conversation.h>
+
+#include "packet-tpkt.h"
+
+void proto_register_tpkt(void);
+void proto_reg_handoff_tpkt(void);
+
+static heur_dissector_list_t tpkt_heur_subdissector_list;
+
+/* TPKT header fields */
+static int proto_tpkt = -1;
+static int proto_tpkt_heur = -1;
+static protocol_t *proto_tpkt_ptr;
+static int hf_tpkt_version = -1;
+static int hf_tpkt_reserved = -1;
+static int hf_tpkt_length = -1;
+static int hf_tpkt_continuation_data = -1;
+
+
+/* TPKT fields defining a sub tree */
+static gint ett_tpkt = -1;
+
+/* desegmentation of OSI over TPKT over TCP */
+static gboolean tpkt_desegment = TRUE;
+
+#define TCP_PORT_TPKT_RANGE "102"
+
+/* IANA registered port for RDP (as ms-wbt-server) */
+#define TCP_PORT_RDP 3389
+
+/* find the dissector for OSI TP (aka COTP) */
+static dissector_handle_t osi_tp_handle;
+static dissector_handle_t tpkt_handle;
+
+#define DEFAULT_TPKT_PORT_RANGE "102"
+
+/*
+ * Check whether this could be a TPKT-encapsulated PDU.
+ * Returns -1 if it's not, and the PDU length from the TPKT header
+ * if it is.
+ *
+ * "min_len" is the minimum length of the PDU; the length field in the
+ * TPKT header must be at least "4+min_len" in order for this to be a
+ * valid TPKT PDU for the protocol in question.
+ */
+int
+is_tpkt(tvbuff_t *tvb, int min_len)
+{
+ guint16 pkt_len;
+
+ /*
+ * If TPKT is disabled, don't dissect it, just return -1, meaning
+ * "this isn't TPKT".
+ */
+ if (!proto_is_protocol_enabled(proto_tpkt_ptr))
+ return -1;
+
+ /* There should at least be 4 bytes left in the frame */
+ if (tvb_captured_length(tvb) < 4)
+ return -1; /* there aren't */
+
+ /*
+ * The first octet should be 3 and the second one should be 0
+ * The H.323 implementers guide suggests that this might not
+ * always be the case....
+ */
+ if (!(tvb_get_guint8(tvb, 0) == 3 && tvb_get_guint8(tvb, 1) == 0))
+ return -1; /* they're not */
+
+ /*
+ * Get the length from the TPKT header. Make sure it's large
+ * enough.
+ */
+ pkt_len = tvb_get_ntohs(tvb, 2);
+ if (pkt_len < 4 + min_len)
+ return -1; /* it's not */
+
+ /*
+ * Return the length from the header.
+ */
+ return pkt_len;
+}
+guint16
+is_asciitpkt(tvbuff_t *tvb)
+{
+ guint16 count;
+ /*
+ * If TPKT is disabled, don't dissect it, just return -1, meaning
+ * "this isn't TPKT".
+ */
+ if (!proto_is_protocol_enabled(proto_tpkt_ptr))
+ return -1;
+
+ /* There should at least be 8 bytes left in the frame */
+ if (!tvb_bytes_exist(tvb, 0, 8))
+ return -1; /* there aren't */
+
+ /*
+ * The first four octets should be alphanumeric ASCII
+ */
+ for (count = 0; count <=7 ; count ++)
+ {
+ if(!g_ascii_isalnum(tvb_get_guint8(tvb,count)))
+ {
+ return 0;
+ }
+ }
+ return 1;
+
+
+}
+static int
+parseLengthText ( guint8* pTpktData )
+{
+ int value = 0;
+ const guint8 * pData = pTpktData;
+ int bitvalue = 0, count1 = 3;
+ int count;
+ for (count = 0; count <= 3; count++)
+ {
+ if (('0' <= *(pData + count)) && (*(pData + count) <= '9'))
+ bitvalue = *(pData + count) - 48;
+ else if (('a' <= *(pData + count)) && (*(pData + count) <= 'f' ))
+ bitvalue = *(pData + count) - 87;
+ else if (('A' <= *(pData + count)) && (*(pData + count) <= 'F' ))
+ bitvalue = *(pData + count) - 55;
+
+ value += bitvalue << (4*count1);
+ count1--;
+ }
+ return value;
+}
+static int
+parseVersionText ( guint8* pTpktData )
+{
+ int value = 0;
+ guint8 * pData = pTpktData;
+ int bitvalue = 0, count1 = 1;
+ int count;
+ for (count = 0; count <= 1; count++)
+ {
+ if (('0' <= *(pData + count)) && (*(pData + count) <= '9'))
+ bitvalue = *(pData + count) - 48;
+ else if (('a' <= *(pData + count)) && (*(pData + count) <= 'f' ))
+ bitvalue = *(pData + count) - 87;
+ else if (('A' <= *(pData + count)) && (*(pData + count) <= 'F' ))
+ bitvalue = *(pData + count) - 55;
+
+ value += bitvalue << (4*count1);
+ count1--;
+ }
+
+ return value;
+}
+static int
+parseReservedText ( guint8* pTpktData )
+{
+ int value = 0;
+ guint8 * pData = pTpktData;
+ int bitvalue = 0, count1 = 1;
+ int count;
+ for (count = 0; count <= 1; count++)
+ {
+ if (('0' <= *(pData + count)) && (*(pData + count) <= '9'))
+ bitvalue = *(pData + count) - 48;
+ else if (('a' <= *(pData + count)) && (*(pData + count) <= 'f' ))
+ bitvalue = *(pData + count) - 87;
+ else if (('A' <= *(pData + count)) && (*(pData + count) <= 'F' ))
+ bitvalue = *(pData + count) - 55;
+
+ value += bitvalue << (4*count1);
+ count1--;
+ }
+
+ return value;
+}
+
+/*
+ * Length of the TPKT text-layer header.
+ */
+static const int TEXT_LAYER_LENGTH = 9;
+
+/*
+ * Dissect ASCII TPKT-encapsulated data in a TCP stream.
+ */
+void
+dissect_asciitpkt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ dissector_handle_t subdissector_handle)
+{
+ proto_item *ti = NULL;
+ proto_tree *tpkt_tree = NULL;
+ volatile int offset = 0;
+ int length_remaining;
+ int data_len;
+ volatile int mgcp_packet_len = 0;
+ int mgcp_version = 0;
+ int mgcp_reserved = 0;
+ volatile int length;
+ tvbuff_t *volatile next_tvb;
+ const char *saved_proto;
+ guint8 string[4];
+
+ /*
+ * If we're reassembling segmented TPKT PDUs, empty the COL_INFO
+ * column, so subdissectors can append information
+ * without having to worry about emptying the column.
+ *
+ * We use "col_add_str()" because the subdissector
+ * might be appending information to the column, in
+ * which case we'd have to zero the buffer out explicitly
+ * anyway.
+ */
+ if (tpkt_desegment)
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ while (tvb_reported_length_remaining(tvb, offset) != 0) {
+ /*
+ * Is the first byte of this putative TPKT header
+ * a valid TPKT version number, i.e. 3?
+ */
+ if (tvb_get_guint8(tvb, offset) != 48) {
+ /*
+ * No, so don't assume this is a TPKT header;
+ * we might be in the middle of TPKT data,
+ * so don't get the length and don't try to
+ * do reassembly.
+ */
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "TPKT");
+ col_set_str(pinfo->cinfo, COL_INFO, "Continuation");
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_tpkt, tvb,
+ offset, -1, ENC_NA);
+ tpkt_tree = proto_item_add_subtree(ti, ett_tpkt);
+
+ proto_tree_add_item(tpkt_tree, hf_tpkt_continuation_data, tvb, offset, -1, ENC_NA);
+ }
+ return;
+ }
+
+ length_remaining = tvb_captured_length_remaining(tvb, offset);
+
+ /*
+ * Get the length from the TPKT header.
+ */
+
+ tvb_memcpy(tvb, (guint8 *)string, offset, 2);
+ mgcp_version = parseVersionText(string);
+ tvb_memcpy(tvb, (guint8 *)string, offset +2, 2);
+ mgcp_reserved = parseReservedText(string);
+ tvb_memcpy(tvb, (guint8 *)string, offset + 4, 4);
+ mgcp_packet_len = parseLengthText(string);
+ data_len = mgcp_packet_len;
+
+ /*
+ * Dissect the TPKT header.
+ * Save and restore "pinfo->current_proto".
+ */
+ saved_proto = pinfo->current_proto;
+ pinfo->current_proto = "TPKT";
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "TPKT");
+ /*
+ * Don't add the TPKT header information if we're
+ * reassembling segmented TPKT PDUs or if this
+ * PDU isn't reassembled.
+ *
+ * XXX - the first is so that subdissectors can append
+ * information without getting TPKT stuff in the middle;
+ * why the second?
+ */
+ if (!tpkt_desegment && !pinfo->fragmented) {
+ col_add_fstr(pinfo->cinfo, COL_INFO,
+ "TPKT Data length = %u", data_len);
+ }
+
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_tpkt, tvb,
+ offset, 8, ENC_NA);
+ tpkt_tree = proto_item_add_subtree(ti, ett_tpkt);
+ proto_item_set_text(ti, "TPKT");
+
+ /* Version */
+ proto_tree_add_uint(tpkt_tree, hf_tpkt_version, tvb,
+ offset, 2, mgcp_version);
+
+ /* Reserved octet*/
+ proto_tree_add_uint(tpkt_tree, hf_tpkt_reserved, tvb,
+ offset + 2, 2, mgcp_reserved);
+
+ /* Length */
+ proto_tree_add_uint(tpkt_tree, hf_tpkt_length, tvb,
+ offset + 4, 4, mgcp_packet_len);
+ }
+ pinfo->current_proto = saved_proto;
+
+ /* Skip the TPKT header. */
+ offset += TEXT_LAYER_LENGTH;
+ length = length_remaining - TEXT_LAYER_LENGTH;
+ if (length > data_len)
+ length = data_len;
+
+ next_tvb = tvb_new_subset_length_caplen(tvb, offset,length, data_len);
+
+ /*
+ * Call the subdissector.
+ *
+ * If it gets an error that means there's no point in
+ * dissecting any more TPKT messages, rethrow the
+ * exception in question.
+ *
+ * If it gets any other error, report it and continue, as that
+ * means that TPKT message got an error, but that doesn't mean
+ * we should stop dissecting TPKT messages within this frame
+ * or chunk of reassembled data.
+ */
+ TRY {
+ call_dissector(subdissector_handle, next_tvb, pinfo,
+ tree);
+ }
+ CATCH_NONFATAL_ERRORS {
+
+ show_exception(tvb, pinfo, tree, EXCEPT_CODE, GET_MESSAGE);
+ }
+ ENDTRY;
+
+ /*
+ * Skip the payload.
+ */
+ offset += data_len;
+ }
+}
+
+/*
+ * Dissect TPKT-encapsulated data in a TCP stream.
+ */
+void
+dissect_tpkt_encap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ gboolean desegment, dissector_handle_t subdissector_handle)
+{
+ proto_item *ti = NULL;
+ proto_tree *tpkt_tree = NULL;
+ volatile int offset = 0;
+ int length_remaining;
+ int data_len;
+ volatile int length;
+ tvbuff_t *volatile next_tvb;
+ const char *saved_proto;
+ heur_dtbl_entry_t *hdtbl_entry;
+
+ /*
+ * If we're reassembling segmented TPKT PDUs, empty the COL_INFO
+ * column, so subdissectors can append information
+ * without having to worry about emptying the column.
+ *
+ * We use "col_add_str()" because the subdissector
+ * might be appending information to the column, in
+ * which case we'd have to zero the buffer out explicitly
+ * anyway.
+ */
+ if (desegment)
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ while (tvb_reported_length_remaining(tvb, offset) != 0) {
+ /*
+ * Is the first byte of this putative TPKT header
+ * a valid TPKT version number, i.e. 3?
+ */
+ if (tvb_get_guint8(tvb, offset) != 3) {
+ /*
+ * No, so don't assume this is a TPKT header;
+ * we might be in the middle of TPKT data,
+ * so don't get the length and don't try to
+ * do reassembly.
+ */
+
+ if (dissector_try_heuristic(tpkt_heur_subdissector_list, tvb,
+ pinfo, proto_tree_get_root(tree),
+ &hdtbl_entry, NULL)) {
+ return;
+ }
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "TPKT");
+ col_set_str(pinfo->cinfo, COL_INFO, "Continuation");
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_tpkt, tvb,
+ offset, -1, ENC_NA);
+ tpkt_tree = proto_item_add_subtree(ti, ett_tpkt);
+
+ proto_tree_add_item(tpkt_tree, hf_tpkt_continuation_data, tvb, offset, -1, ENC_NA);
+ }
+ return;
+ }
+
+ length_remaining = tvb_captured_length_remaining(tvb, offset);
+
+ /*
+ * Can we do reassembly?
+ */
+ if (desegment && pinfo->can_desegment) {
+ /*
+ * Yes - is the TPKT header split across segment
+ * boundaries?
+ */
+ if (length_remaining < 4) {
+ /*
+ * Yes. Tell the TCP dissector where the data
+ * for this message starts in the data it
+ * handed us and that we need "some more data."
+ * Don't tell it exactly how many bytes we need
+ * because if/when we ask for even more (after
+ * the header) that will break reassembly.
+ */
+ pinfo->desegment_offset = offset;
+ pinfo->desegment_len = DESEGMENT_ONE_MORE_SEGMENT;
+ return;
+ }
+ }
+
+ /*
+ * Get the length from the TPKT header.
+ */
+ data_len = tvb_get_ntohs(tvb, offset + 2);
+
+ /*
+ * Can we do reassembly?
+ */
+ if (desegment && pinfo->can_desegment) {
+ /*
+ * Yes - is the payload split across segment
+ * boundaries?
+ */
+ if (length_remaining < data_len) {
+ /*
+ * Yes. Tell the TCP dissector where
+ * the data for this message starts in
+ * the data it handed us, and how many
+ * more bytes we need, and return.
+ */
+ pinfo->desegment_offset = offset;
+ pinfo->desegment_len =
+ data_len - length_remaining;
+ return;
+ }
+ }
+
+ /*
+ * Dissect the TPKT header.
+ * Save and restore "pinfo->current_proto".
+ */
+ saved_proto = pinfo->current_proto;
+ pinfo->current_proto = "TPKT";
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "TPKT");
+ /*
+ * Don't add the TPKT header information if we're
+ * reassembling segmented TPKT PDUs or if this
+ * PDU isn't reassembled.
+ *
+ * XXX - the first is so that subdissectors can append
+ * information without getting TPKT stuff in the middle;
+ * why the second?
+ */
+ if (!desegment && !pinfo->fragmented) {
+ col_add_fstr(pinfo->cinfo, COL_INFO,
+ "TPKT Data length = %u", data_len);
+ }
+
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_tpkt, tvb,
+ offset, 4, ENC_NA);
+ tpkt_tree = proto_item_add_subtree(ti, ett_tpkt);
+ proto_item_set_text(ti, "TPKT");
+
+ /* Version */
+ proto_tree_add_item(tpkt_tree, hf_tpkt_version, tvb,
+ offset, 1, ENC_BIG_ENDIAN);
+ proto_item_append_text(ti, ", Version: 3");
+
+ /* Reserved octet*/
+ proto_tree_add_item(tpkt_tree, hf_tpkt_reserved, tvb,
+ offset + 1, 1, ENC_BIG_ENDIAN);
+
+ /* Length */
+ proto_tree_add_uint(tpkt_tree, hf_tpkt_length, tvb,
+ offset + 2, 2, data_len);
+ proto_item_append_text(ti, ", Length: %u", data_len);
+ }
+ pinfo->current_proto = saved_proto;
+
+ /* Skip the TPKT header. */
+ offset += 4;
+ data_len -= 4;
+
+ /*
+ * Construct a tvbuff containing the amount of the payload
+ * we have available. Make its reported length the
+ * amount of data in this TPKT packet.
+ *
+ * XXX - if reassembly isn't enabled. the subdissector
+ * will throw a BoundsError exception, rather than a
+ * ReportedBoundsError exception. We really want
+ * a tvbuff where the length is "length", the reported
+ * length is "plen + 2", and the "if the snapshot length
+ * were infinite" length were the minimum of the
+ * reported length of the tvbuff handed to us and "plen+2",
+ * with a new type of exception thrown if the offset is
+ * within the reported length but beyond that third length,
+ * with that exception getting the "Unreassembled Packet"
+ * error.
+ */
+ length = length_remaining - 4;
+ if (length > data_len)
+ length = data_len;
+ next_tvb = tvb_new_subset_length_caplen(tvb, offset, length, data_len);
+
+ /*
+ * Call the subdissector.
+ *
+ * If it gets an error that means there's no point in
+ * dissecting any more TPKT messages, rethrow the
+ * exception in question.
+ *
+ * If it gets any other error, report it and continue,
+ * as that means that TPKT message got an error, but
+ * that doesn't mean we should stop dissecting TPKT
+ * messages within this frame or chunk of reassembled
+ * data.
+ */
+ TRY {
+ call_dissector(subdissector_handle, next_tvb, pinfo,
+ tree);
+ }
+ CATCH_NONFATAL_ERRORS {
+ show_exception(tvb, pinfo, tree, EXCEPT_CODE, GET_MESSAGE);
+ }
+ ENDTRY;
+
+ /*
+ * Skip the payload.
+ */
+ offset += length;
+ }
+}
+
+/*
+ * Dissect RFC 1006 TPKT, which wraps a TPKT header around an OSI TP
+ * PDU.
+ */
+static int
+dissect_tpkt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+ dissect_tpkt_encap(tvb, pinfo, tree, tpkt_desegment, osi_tp_handle);
+ return tvb_captured_length(tvb);
+}
+
+/*
+ * Dissect ASCII TPKT, which wraps a ASCII TPKT header around an OSI TP
+ * PDU.
+ */
+#if 0
+static int
+dissect_ascii_tpkt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+ dissect_asciitpkt(tvb, pinfo, tree, osi_tp_handle);
+ return tvb_captured_length(tvb);
+}
+#endif
+
+/* A heuristic dissector for TPKT. This is useful for RDP, where TLS may
+ * or may not be present depending on the RDP security settings.
+ */
+static int
+dissect_tpkt_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ if (is_tpkt(tvb, 0) == -1) {
+ /* Doesn't look like TPKT directly. Might be over TLS, so reject
+ * and let the TLS heuristic dissector take a look
+ */
+ return 0;
+ }
+
+ return dissect_tpkt(tvb, pinfo, tree, data);
+}
+
+void
+proto_register_tpkt(void)
+{
+ static hf_register_info hf[] = {
+ {
+ &hf_tpkt_version,
+ {
+ "Version",
+ "tpkt.version",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Version, only version 3 is defined", HFILL
+ }
+ },
+ {
+ &hf_tpkt_reserved,
+ {
+ "Reserved",
+ "tpkt.reserved",
+ FT_UINT8,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Reserved, should be 0", HFILL
+ }
+ },
+ {
+ &hf_tpkt_length,
+ {
+ "Length",
+ "tpkt.length",
+ FT_UINT16,
+ BASE_DEC,
+ NULL,
+ 0x0,
+ "Length of data unit, including this header", HFILL
+ }
+ },
+ {
+ &hf_tpkt_continuation_data,
+ {
+ "Continuation data",
+ "tpkt.continuation_data",
+ FT_BYTES,
+ BASE_NONE,
+ NULL,
+ 0x0,
+ NULL, HFILL
+ }
+ },
+ };
+
+ static gint *ett[] =
+ {
+ &ett_tpkt,
+ };
+ module_t *tpkt_module;
+
+ proto_tpkt = proto_register_protocol("TPKT - ISO on TCP - RFC1006", "TPKT", "tpkt");
+ proto_tpkt_ptr = find_protocol_by_id(proto_tpkt);
+ proto_register_field_array(proto_tpkt, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+ tpkt_handle = register_dissector("tpkt", dissect_tpkt, proto_tpkt);
+
+ tpkt_module = prefs_register_protocol(proto_tpkt, NULL);
+ prefs_register_bool_preference(tpkt_module, "desegment",
+ "Reassemble TPKT messages spanning multiple TCP segments",
+ "Whether the TPKT dissector should reassemble messages spanning multiple TCP segments. "
+ "To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
+ &tpkt_desegment);
+
+ /* heuristic dissectors for premable CredSSP before RDP and Fast-Path RDP packets */
+ tpkt_heur_subdissector_list = register_heur_dissector_list("tpkt", proto_tpkt);
+
+ proto_tpkt_heur = proto_register_protocol_in_name_only("TPKT Heuristic (for RDP)", "TPKT Heuristic (for RDP)", "tpkt", proto_tpkt, FT_PROTOCOL);
+}
+
+void
+proto_reg_handoff_tpkt(void)
+{
+ osi_tp_handle = find_dissector("ositp");
+ dissector_add_uint_range_with_preference("tcp.port", TCP_PORT_TPKT_RANGE, tpkt_handle);
+
+ /* ssl_dissector_add registers TLS as the dissector for TCP for the
+ * given port. We can't use it, since on port 3389 TPKT (for RDP) can be
+ * over TLS or directly over TCP, depending on the RDP security settings.
+ * TPKT heuristics are also too weak to enable in general. Instead,
+ * use the heuristic dissector by default just on the RDP port, and
+ * if rejected the TLS heuristic dissector will be tried.
+ */
+ dissector_add_uint("tls.port", TCP_PORT_RDP, tpkt_handle);
+ dissector_add_uint("tcp.port", TCP_PORT_RDP, create_dissector_handle(dissect_tpkt_heur, proto_tpkt_heur));
+ heur_dissector_add("tcp", dissect_tpkt_heur, "TPKT over TCP", "tpkt_tcp", proto_tpkt, HEURISTIC_DISABLE);
+
+ /*
+ tpkt_ascii_handle = create_dissector_handle(dissect_ascii_tpkt, proto_tpkt);
+ dissector_add_uint("tcp.port", TCP_PORT_TPKT, tpkt_ascii_handle);
+ */
+
+}
+
+/*
+ * Editor modelines - https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 07:24:57 +0000