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-rw-r--r--docbook/release-notes.asciidoc1
-rw-r--r--epan/dissectors/CMakeLists.txt1
-rw-r--r--epan/dissectors/Makefile.am1
-rw-r--r--epan/dissectors/packet-hsms.c783
4 files changed, 786 insertions, 0 deletions
diff --git a/docbook/release-notes.asciidoc b/docbook/release-notes.asciidoc
index e2e412d31f..b3f9c97bbb 100644
--- a/docbook/release-notes.asciidoc
+++ b/docbook/release-notes.asciidoc
@@ -53,6 +53,7 @@ RFTap Protocol
M2 Application Protocol
CAN FD
Bluetooth HCI Vendor Intel
+High-speed SECS message service (HSMS)
--sort-and-group--
=== Updated Protocol Support
diff --git a/epan/dissectors/CMakeLists.txt b/epan/dissectors/CMakeLists.txt
index c0c05be654..24254d009b 100644
--- a/epan/dissectors/CMakeLists.txt
+++ b/epan/dissectors/CMakeLists.txt
@@ -704,6 +704,7 @@ set(DISSECTOR_SRC
packet-hpfeeds.c
packet-hpsw.c
packet-hpteam.c
+ packet-hsms.c
packet-hsr-prp-supervision.c
packet-hsr.c
packet-hsrp.c
diff --git a/epan/dissectors/Makefile.am b/epan/dissectors/Makefile.am
index f5426f6be5..7f518c0c06 100644
--- a/epan/dissectors/Makefile.am
+++ b/epan/dissectors/Makefile.am
@@ -724,6 +724,7 @@ DISSECTOR_SRC = \
packet-hpfeeds.c \
packet-hpsw.c \
packet-hpteam.c \
+ packet-hsms.c \
packet-hsr-prp-supervision.c \
packet-hsr.c \
packet-hsrp.c \
diff --git a/epan/dissectors/packet-hsms.c b/epan/dissectors/packet-hsms.c
new file mode 100644
index 0000000000..c56a837956
--- /dev/null
+++ b/epan/dissectors/packet-hsms.c
@@ -0,0 +1,783 @@
+/* packet-HSMS.c
+ * Routines for High-speed SECS message service dissection
+ * Copyright 2016, Benjamin Parzella <bparzella@gmail.com>
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/*
+ * HSMS - High-speed SECS message service (SEMI-E37)
+ * SECS - SEMI equipment communications standard (SEMI-E5)
+ *
+ * TCP based protocol for semiconductor factory automation
+ * defined by SEMI (http://www.semi.org)
+ *
+ * Usual TCP port: 5000
+ */
+
+#include <config.h>
+
+#include <epan/packet.h>
+#include <epan/prefs.h>
+#include <epan/dissectors/packet-tcp.h>
+#include <epan/expert.h>
+
+#define PTYPE_SECS 0
+
+#define STYPE_SECS_DATA 0
+#define STYPE_SELECT_REQ 1
+#define STYPE_SELECT_RSP 2
+#define STYPE_DESELECT_REQ 3
+#define STYPE_DESELECT_RSP 4
+#define STYPE_LINKTEST_REQ 5
+#define STYPE_LINKTEST_RSP 6
+#define STYPE_REJECT_REQ 7
+#define STYPE_SEPARATE_REQ 9
+
+#define FORMAT_CODE_LIST 000
+#define FORMAT_CODE_BINARY 010
+#define FORMAT_CODE_BOOLEAN 011
+#define FORMAT_CODE_ASCII 020
+#define FORMAT_CODE_JIS8 021
+#define FORMAT_CODE_2BYTE 022
+#define FORMAT_CODE_I8 030
+#define FORMAT_CODE_I1 031
+#define FORMAT_CODE_I2 032
+#define FORMAT_CODE_I4 034
+#define FORMAT_CODE_F8 040
+#define FORMAT_CODE_F4 044
+#define FORMAT_CODE_U8 050
+#define FORMAT_CODE_U1 051
+#define FORMAT_CODE_U2 052
+#define FORMAT_CODE_U4 054
+
+/* Prototypes */
+void proto_reg_handoff_hsms(void);
+void proto_register_hsms(void);
+
+/* Initialize the protocol and registered fields */
+static int proto_hsms = -1;
+
+static int hf_hsms_packet_length = -1;
+static int hf_hsms_header_sessionid = -1;
+static int hf_hsms_header_statusbyte2 = -1;
+static int hf_hsms_header_wbit = -1;
+static int hf_hsms_header_stream = -1;
+static int hf_hsms_header_statusbyte3 = -1;
+static int hf_hsms_header_function = -1;
+static int hf_hsms_header_ptype = -1;
+static int hf_hsms_header_stype = -1;
+static int hf_hsms_header_system = -1;
+static int hf_hsms_data_item_format = -1;
+static int hf_hsms_data_item_length_bytes = -1;
+static int hf_hsms_data_item_length = -1;
+static int hf_hsms_data_item_value_binary = -1;
+static int hf_hsms_data_item_value_boolean = -1;
+static int hf_hsms_data_item_value_string = -1;
+static int hf_hsms_data_item_value_i8 = -1;
+static int hf_hsms_data_item_value_i1 = -1;
+static int hf_hsms_data_item_value_i2 = -1;
+static int hf_hsms_data_item_value_i4 = -1;
+static int hf_hsms_data_item_value_f8 = -1;
+static int hf_hsms_data_item_value_f4 = -1;
+static int hf_hsms_data_item_value_u8 = -1;
+static int hf_hsms_data_item_value_u1 = -1;
+static int hf_hsms_data_item_value_u2 = -1;
+static int hf_hsms_data_item_value_u4 = -1;
+
+static expert_field ei_hsms_ptype = EI_INIT;
+
+static wmem_map_t *value_lengths;
+
+/*
+ * Presentation type (ptype)
+ *
+ * 0 => SECS-II Encoding
+ * 1-127 => Reserved for subsidiary standards
+ * 128-255 => Reserved, not used
+ */
+static const value_string ptype_names[] = {
+ { PTYPE_SECS, "SECS" },
+ { 0, NULL }
+};
+
+/*
+ * Session type (stype)
+ *
+ * 0 => SECS-II data message
+ * 1 => Select request
+ * 2 => Select response
+ * 3 => Deselect request
+ * 4 => Deselect response
+ * 5 => Link test request
+ * 6 => Link test response
+ * 7 => Packet reject request
+ * 8 => Reserved, not used
+ * 9 => Separate request
+ * 10 => Reserved, not used
+ * 11-127 => Reserved for subsidiary standards
+ * 128-255 => Reserved, not used
+ */
+static const value_string stype_names[] = {
+ { STYPE_SECS_DATA, "Data message" },
+ { STYPE_SELECT_REQ, "Select.req" },
+ { STYPE_SELECT_RSP, "Select.rsp" },
+ { STYPE_DESELECT_REQ, "Deselect.req" },
+ { STYPE_DESELECT_RSP, "Deselect.rsp" },
+ { STYPE_LINKTEST_REQ, "Linktest.req" },
+ { STYPE_LINKTEST_RSP, "Linktest.rsp" },
+ { STYPE_REJECT_REQ, "Reject.req" },
+ { STYPE_SEPARATE_REQ, "Separate.req" },
+ { 0, NULL }
+};
+
+static const value_string item_format_names[] = {
+ { FORMAT_CODE_LIST, "List" },
+ { FORMAT_CODE_BINARY, "Binary" },
+ { FORMAT_CODE_BOOLEAN, "Boolean" },
+ { FORMAT_CODE_ASCII, "ASCII" },
+ { FORMAT_CODE_JIS8, "JIS-8" },
+ { FORMAT_CODE_2BYTE, "2-Byte Char" },
+ { FORMAT_CODE_I8, "I8" },
+ { FORMAT_CODE_I1, "I1" },
+ { FORMAT_CODE_I2, "I2" },
+ { FORMAT_CODE_I4, "I4" },
+ { FORMAT_CODE_F8, "F8" },
+ { FORMAT_CODE_F4, "F4" },
+ { FORMAT_CODE_U8, "U8" },
+ { FORMAT_CODE_U1, "U1" },
+ { FORMAT_CODE_U2, "U2" },
+ { FORMAT_CODE_U4, "U4" },
+ { 0, NULL }
+};
+
+/* Global sample port preference - real port preferences should generally
+ * default to 0 unless there is an IANA-registered (or equivalent) port for your
+ * protocol. */
+#define HSMS_TCP_PORT 0
+
+/* Initialize the subtree pointers */
+static gint ett_hsms = -1;
+static gint ett_hsms_header = -1;
+static gint ett_hsms_data = -1;
+static gint ett_hsms_data_item = -1;
+
+/* A sample #define of the minimum length (in bytes) of the protocol data.
+ * If data is received with fewer than this many bytes it is rejected by
+ * the current dissector. */
+#define HSMS_MIN_LENGTH 14
+
+static int
+dissect_secs_variable(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data, int *offset)
+{
+ proto_item *hdr_stream_item;
+ proto_tree *hsms_data_item_tree, *hsms_data_item_header_tree;
+
+ proto_item *hdr_item = NULL;
+
+ guint item_format_code = -1;
+ guint length_bytes = -1;
+ guint length = 0;
+
+ guint *value_length = NULL;
+
+ int len = 0;
+ int itemLength = 0;
+
+ /* extract item format code and number of length bytes from byte #1 */
+ item_format_code = (tvb_get_guint8(tvb, *offset) & 0xFC) >> 2;
+ length_bytes = (tvb_get_guint8(tvb, *offset) & 0x3);
+
+ /* extract item length in bytes */
+ switch (length_bytes)
+ {
+ case 3:
+ length = tvb_get_ntoh24(tvb, *offset + 1);
+ break;
+ case 2:
+ length = tvb_get_ntohs(tvb, *offset + 1);
+ break;
+ case 1:
+ length = tvb_get_guint8(tvb, *offset + 1);
+ break;
+ default:
+ return -1;
+ }
+
+ /* list has no item length and length is alreaty the count of items */
+ if (item_format_code != 0)
+ {
+ value_length = (guint*)wmem_map_lookup(value_lengths, GUINT_TO_POINTER(item_format_code));
+
+ /* length must be dividable by item length, because it must be a multiple of items */
+ if (length % GPOINTER_TO_UINT(value_length) != 0)
+ return -1;
+
+ /* shorten length to actual count of items */
+ length = length / GPOINTER_TO_UINT(value_length);
+ }
+
+ /* add the item tree to the parent tree */
+ hsms_data_item_tree = proto_tree_add_subtree_format(tree, tvb, *offset, -1, ett_hsms_data_item, &hdr_item, "%s (%d items)", val_to_str(item_format_code, item_format_names, "Unknown (%02o)"), length);
+
+ /* add the formatcode/length bytes to the item tree */
+ hsms_data_item_header_tree = proto_tree_add_subtree_format(hsms_data_item_tree, tvb, *offset, 1, ett_hsms_header, &hdr_stream_item, "Data format: %s, Length bytes: %d", val_to_str(item_format_code, item_format_names, "Unknown (%02o)"), length_bytes);
+ proto_tree_add_item(hsms_data_item_header_tree, hf_hsms_data_item_format, tvb, *offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(hsms_data_item_header_tree, hf_hsms_data_item_length_bytes, tvb, *offset, 1, ENC_BIG_ENDIAN);
+ *offset += 1;
+
+ /* add the length to the item tree */
+ len = length_bytes;
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_length, tvb, *offset, len, ENC_BIG_ENDIAN);
+ *offset += len;
+
+ /* add the actual item to the item tree */
+ switch(item_format_code)
+ {
+ case FORMAT_CODE_BINARY:
+ /* add binary value as one to item list */
+ value_length = (guint*)wmem_map_lookup(value_lengths, GUINT_TO_POINTER(item_format_code));
+
+ len = GPOINTER_TO_UINT(value_length) * length;
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_binary, tvb, *offset, len, ENC_NA);
+ itemLength = len;
+ *offset += len;
+ break;
+ case FORMAT_CODE_ASCII:
+ /* add ascii value as one to item list */
+ value_length = (guint*)wmem_map_lookup(value_lengths, GUINT_TO_POINTER(item_format_code));
+
+ len = GPOINTER_TO_UINT(value_length) * length;
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_string, tvb, *offset, len, ENC_ASCII|ENC_NA);
+ itemLength = len;
+ *offset += len;
+ break;
+ default:
+ /* walk through the items */
+ for(unsigned int counter=0; counter<length; counter++)
+ {
+ if (item_format_code == 0)
+ {
+ /* add sub items for list element to item tree */
+ int subItemLength = dissect_secs_variable(tvb, pinfo, hsms_data_item_tree, data, offset);
+
+ /* check for parsing error in sub list */
+ if (subItemLength == -1)
+ {
+ return -1;
+ }
+
+ itemLength += subItemLength;
+ }
+ else
+ {
+ /* add single item of type item tree */
+ value_length = (guint*)wmem_map_lookup(value_lengths, GUINT_TO_POINTER(item_format_code));
+
+ len = GPOINTER_TO_UINT(value_length);
+ switch(item_format_code)
+ {
+ case FORMAT_CODE_BOOLEAN:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_boolean, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_I8:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_i8, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_I1:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_i1, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_I2:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_i2, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_I4:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_i4, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_F8:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_f8, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_F4:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_f4, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_U8:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_u8, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_U1:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_u1, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_U2:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_u2, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ case FORMAT_CODE_U4:
+ proto_tree_add_item(hsms_data_item_tree, hf_hsms_data_item_value_u4, tvb, *offset, len, ENC_BIG_ENDIAN);
+ break;
+ default:
+ return -1;
+ }
+ itemLength += len;
+ *offset += len;
+ }
+ }
+ }
+
+ /* update length of item tree */
+ proto_item_set_len(hsms_data_item_tree, itemLength + length_bytes + 1);
+
+ return 1 + length_bytes + itemLength;
+}
+
+static int
+dissect_secs_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data, int *offset)
+{
+ return dissect_secs_variable(tvb, pinfo, tree, data, offset);
+}
+
+/* Code to actually dissect the hsms packets */
+static int
+dissect_hsms_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ proto_item *hdr_item = NULL;
+
+ /* Set up structures needed to add the protocol subtree and manage it */
+ proto_item *ti;
+ proto_tree *hsms_tree, *hsms_header_tree, *hsms_header_stream_tree;
+
+ /* Other misc. local variables. */
+ guint offset = 0;
+
+ guint sessionId = -1;
+ guint byte2 = -1;
+ guint byte3 = -1;
+ guint pType = -1;
+ guint sType = -1;
+
+ /*** HEURISTICS ***/
+
+ /* Check that the packet is long enough for it to belong to us. */
+ if (tvb_reported_length(tvb) < HSMS_MIN_LENGTH)
+ return 0;
+
+ /* Check if first byte describes length) */
+ if ((tvb_get_ntohl(tvb, 0) + 4) != tvb_reported_length(tvb))
+ return 0;
+
+ sessionId = tvb_get_ntohs(tvb, 4);
+ byte2 = tvb_get_guint8(tvb, 6);
+ byte3 = tvb_get_guint8(tvb, 7);
+ pType = tvb_get_guint8(tvb, 8);
+ sType = tvb_get_guint8(tvb, 9);
+
+ /* sTypes 8, 10 and 128+ are unused, 11-127 might be used for subsidiary standards */
+ if ((sType == 8) || (sType == 10) || (sType > 127))
+ return 0;
+
+ /* see definition of stype_names for details on the sType values */
+ switch (sType)
+ {
+ case STYPE_SECS_DATA:
+ if (byte2 == 0) // stream must be set
+ return 0;
+ break;
+ case STYPE_SELECT_REQ:
+ case STYPE_DESELECT_REQ:
+ case STYPE_SEPARATE_REQ:
+ if ((byte2 != 0) || (byte3 != 0)) // byte2&3 must be zero
+ return 0;
+ if (tvb_reported_length(tvb) > HSMS_MIN_LENGTH) // no data for sType != 0
+ return 0;
+ break;
+ case STYPE_SELECT_RSP:
+ case STYPE_DESELECT_RSP:
+ if (byte2 != 0) // byte2 must be zero
+ return 0;
+ if (tvb_reported_length(tvb) > HSMS_MIN_LENGTH) // no data for sType != 0
+ return 0;
+ break;
+ case STYPE_LINKTEST_REQ:
+ case STYPE_LINKTEST_RSP:
+ if (sessionId != 0xFFFF) // Session ID must be max
+ return 0;
+ if (byte2 != 0) // byte2 must be zero
+ return 0;
+ if (byte3 != 0) // byte3 must be zero
+ return 0;
+ if (tvb_reported_length(tvb) > HSMS_MIN_LENGTH) // no data for sType != 0
+ return 0;
+ break;
+ case STYPE_REJECT_REQ:
+ if (tvb_reported_length(tvb) > HSMS_MIN_LENGTH) // no data for sType != 0
+ return 0;
+ break;
+ }
+
+ /*** COLUMN DATA ***/
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "HSMS");
+
+ /* Clear out stuff in the info column */
+ col_clear(pinfo->cinfo,COL_INFO);
+
+ if (sType == STYPE_SECS_DATA)
+ {
+ col_add_fstr(pinfo->cinfo, COL_INFO, "HSMS SECS Stream/Function S%02dF%02d",
+ byte2 & 0x7F, byte3);
+ }
+ else
+ {
+ col_add_fstr(pinfo->cinfo, COL_INFO, "HSMS Message %s",
+ val_to_str(sType, stype_names, "Unknown (%02d)"));
+ }
+
+
+ /*** PROTOCOL TREE ***/
+
+ /* create display subtree for the protocol */
+ ti = proto_tree_add_item(tree, proto_hsms, tvb, 0, -1, ENC_NA);
+
+ hsms_tree = proto_item_add_subtree(ti, ett_hsms);
+
+ /* packet size = 4 bytes */
+ proto_tree_add_item(hsms_tree, hf_hsms_packet_length, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* header = 10 bytes */
+
+ /* see definition of stype_names for details on the sType values */
+ switch (sType)
+ {
+ case STYPE_SECS_DATA:
+ hsms_header_tree = proto_tree_add_subtree_format(hsms_tree, tvb, offset, 10, ett_hsms_header, &hdr_item, "Header (S%02dF%02d)", byte2 & 0x7F, byte3);
+ break;
+ default:
+ hsms_header_tree = proto_tree_add_subtree_format(hsms_tree, tvb, offset, 10, ett_hsms_header, &hdr_item, "Header (%s)", val_to_str(sType, stype_names, "Unknown (%02d)"));
+ break;
+ }
+
+ /* session id = 2 bytes */
+ proto_tree_add_item(hsms_header_tree, hf_hsms_header_sessionid, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ /* see definition of stype_names for details on the sType values */
+ switch (sType)
+ {
+ case STYPE_SECS_DATA:
+ /* wbit=1bit + stream=7bits = 1 byte */
+ hsms_header_stream_tree = proto_tree_add_subtree_format(hsms_header_tree, tvb, offset, 1, ett_hsms_header, &hdr_item, "Stream %d, Response requested: %s", byte2 & 0x7F, ((byte2 & 0x80) > 0) ? "Yes" : "No");
+ proto_tree_add_item(hsms_header_stream_tree, hf_hsms_header_wbit, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(hsms_header_stream_tree, hf_hsms_header_stream, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ /* function = 1 byte */
+ proto_tree_add_item(hsms_header_tree, hf_hsms_header_function, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ break;
+ default:
+ /* status byte 2 = 1 byte */
+ proto_tree_add_item(hsms_header_tree, hf_hsms_header_statusbyte2, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ /* status byte 3 = 1 byte */
+ proto_tree_add_item(hsms_header_tree, hf_hsms_header_statusbyte3, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ break;
+ }
+
+ /* ptype = 1 byte */
+ ti = proto_tree_add_item(hsms_header_tree, hf_hsms_header_ptype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ if (pType != 0)
+ expert_add_info(pinfo, ti, &ei_hsms_ptype);
+
+ /* stype = 1 byte */
+ proto_tree_add_item(hsms_header_tree, hf_hsms_header_stype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ /* system = 4 bytes */
+ proto_tree_add_item(hsms_header_tree, hf_hsms_header_system, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* decode secs data if available */
+ if (tvb_reported_length(tvb) > HSMS_MIN_LENGTH)
+ {
+ if (pType == PTYPE_SECS)
+ dissect_secs_message(tvb, pinfo, hsms_tree, data, &offset);
+ }
+ return offset;
+}
+
+/* determine PDU length of protocol foo */
+static guint
+get_hsms_message_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
+{
+ /* first four bytes are length information */
+ return (guint)tvb_get_ntohl(tvb, offset) + 4;
+}
+
+/* The main dissecting routine */
+static int
+dissect_hsms(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ tcp_dissect_pdus(tvb, pinfo, tree, TRUE, 4,
+ get_hsms_message_len, dissect_hsms_message, data);
+ return tvb_captured_length(tvb);
+}
+
+static void
+hsms_init(void)
+{
+ value_lengths = wmem_map_new(wmem_file_scope(), g_direct_hash, g_direct_equal);
+
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_LIST), GINT_TO_POINTER(0));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_BINARY), GINT_TO_POINTER(1));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_BOOLEAN), GINT_TO_POINTER(1));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_ASCII), GINT_TO_POINTER(1));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_JIS8), GINT_TO_POINTER(2));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_2BYTE), GINT_TO_POINTER(2));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_I8), GINT_TO_POINTER(8));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_I1), GINT_TO_POINTER(1));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_I2), GINT_TO_POINTER(2));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_I4), GINT_TO_POINTER(4));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_F8), GINT_TO_POINTER(8));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_F4), GINT_TO_POINTER(4));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_U8), GINT_TO_POINTER(8));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_U1), GINT_TO_POINTER(1));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_U2), GINT_TO_POINTER(2));
+ wmem_map_insert(value_lengths, GINT_TO_POINTER(FORMAT_CODE_U4), GINT_TO_POINTER(4));
+}
+
+void
+proto_register_hsms(void)
+{
+ expert_module_t* expert_hsms;
+
+ static hf_register_info hf[] = {
+ { &hf_hsms_packet_length,
+ { "Packet length", "hsms.length",
+ FT_UINT32, BASE_DEC,
+ NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_hsms_header_sessionid,
+ { "Session ID", "hsms.header.sessionid",
+ FT_UINT16, BASE_DEC,
+ NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_hsms_header_statusbyte2,
+ { "Status byte 2", "hsms.header.statusbyte2",
+ FT_UINT8, BASE_DEC,
+ NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_hsms_header_wbit,
+ { "W-bit (Response required)", "hsms.header.wbit",
+ FT_BOOLEAN, 8,
+ NULL, 0x80,
+ NULL, HFILL }
+ },
+ { &hf_hsms_header_stream,
+ { "Stream", "hsms.header.stream",
+ FT_UINT8, BASE_DEC,
+ NULL, 0x7F,
+ NULL, HFILL }
+ },
+ { &hf_hsms_header_statusbyte3,
+ { "Status byte 3", "hsms.header.statusbyte3",
+ FT_UINT8, BASE_DEC,
+ NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_hsms_header_function,
+ { "Function", "hsms.header.function",
+ FT_UINT8, BASE_DEC,
+ NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_hsms_header_ptype,
+ { "PType (Presentation type)", "hsms.header.ptype",
+ FT_UINT8, BASE_DEC,
+ VALS(ptype_names), 0x0,
+ NULL, HFILL }
+ },
+ { &hf_hsms_header_stype,
+ { "SType (Session type)", "hsms.header.stype",
+ FT_UINT8, BASE_DEC,
+ VALS(stype_names), 0x0,
+ NULL, HFILL }
+ },
+ { &hf_hsms_header_system,
+ { "System Bytes", "hsms.header.system",
+ FT_UINT32, BASE_DEC,
+ NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_format,
+ { "Data type", "hsms.data.item.format",
+ FT_UINT8, BASE_OCT,
+ VALS(item_format_names), 0xFC,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_length_bytes,
+ { "Length bytes", "hsms.data.item.length_bytes",
+ FT_UINT8, BASE_OCT,
+ NULL, 0x03,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_length,
+ { "Length", "hsms.data.item.length",
+ FT_UINT32, BASE_DEC,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_binary,
+ { "Value", "hsms.data.item.value",
+ FT_BYTES, SEP_COLON,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_boolean,
+ { "Value", "hsms.data.item.value",
+ FT_BOOLEAN, 8,
+ NULL, 0x01,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_string,
+ { "Value", "hsms.data.item.value",
+ FT_STRING, BASE_NONE,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_i8,
+ { "Value", "hsms.data.item.value",
+ FT_INT64, BASE_DEC,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_i1,
+ { "Value", "hsms.data.item.value",
+ FT_INT8, BASE_DEC,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_i2,
+ { "Value", "hsms.data.item.value",
+ FT_INT16, BASE_DEC,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_i4,
+ { "Value", "hsms.data.item.value",
+ FT_INT32, BASE_DEC,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_f8,
+ { "Value", "hsms.data.item.value",
+ FT_DOUBLE, BASE_NONE,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_f4,
+ { "Value", "hsms.data.item.value",
+ FT_FLOAT, BASE_NONE,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_u8,
+ { "Value", "hsms.data.item.value",
+ FT_UINT64, BASE_DEC,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_u1,
+ { "Value", "hsms.data.item.value",
+ FT_UINT8, BASE_DEC,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_u2,
+ { "Value", "hsms.data.item.value",
+ FT_UINT16, BASE_DEC,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_hsms_data_item_value_u4,
+ { "Value", "hsms.data.item.value",
+ FT_UINT32, BASE_DEC,
+ NULL, 0x00,
+ NULL, HFILL }
+ },
+ };
+
+ /* Setup protocol subtree array */
+ static gint *ett[] = {
+ &ett_hsms,
+ &ett_hsms_header,
+ &ett_hsms_data,
+ &ett_hsms_data_item
+ };
+
+ static ei_register_info ei[] = {
+ { &ei_hsms_ptype,
+ { "hsms.header.ptype.unknown",
+ PI_RESPONSE_CODE,
+ PI_NOTE,
+ "Unknown presentation type (ptype)",
+ EXPFILL }
+ }
+ };
+
+ /* Register the protocol name and description */
+ proto_hsms = proto_register_protocol (
+ "High-speed SECS Message Service Protocol", /* name */
+ "HSMS", /* short name */
+ "hsms" /* abbrev */
+ );
+
+ /* Required function calls to register the header fields and subtrees */
+ proto_register_field_array(proto_hsms, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ expert_hsms = expert_register_protocol(proto_hsms);
+ expert_register_field_array(expert_hsms, ei, array_length(ei));
+
+ register_init_routine(&hsms_init);
+}
+
+void
+proto_reg_handoff_hsms(void)
+{
+ static dissector_handle_t hsms_handle;
+
+ hsms_handle = create_dissector_handle(dissect_hsms, proto_hsms);
+
+ dissector_add_for_decode_as("tcp.port", hsms_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:
+ */