From Stig Bjørlykke
A new dissector for P_Mul (ACP142) http://www.jcs.mil/j6/cceb/acps/Acp142.pdf svn path=/trunk/; revision=16417
This commit is contained in:
Anders Broman
parent
60c4c050d0
commit
8586ce47d2
5
AUTHORS
5
AUTHORS
|
|
@ -2411,6 +2411,11 @@ Menno Andriesse <s5066 [AT] nc3a.nato.int> {
|
|||
STANAG 5066 support
|
||||
}
|
||||
|
||||
Stig Bjørlykke <stig [AT] bjorlykke.org> {
|
||||
http://www.jcs.mil/j6/cceb/acps/Acp142.pdf
|
||||
P_Mul (ACP142) packet disassembly
|
||||
}
|
||||
|
||||
And assorted fixes and enhancements by the people listed above
|
||||
and by:
|
||||
|
||||
|
|
|
|||
|
|
@ -460,6 +460,7 @@ DISSECTOR_SRC = \
|
|||
packet-osi-options.c \
|
||||
packet-osi.c \
|
||||
packet-ospf.c \
|
||||
packet-p_mul.c \
|
||||
packet-pagp.c \
|
||||
packet-pcnfsd.c \
|
||||
packet-per.c \
|
||||
|
|
|
|||
|
|
@ -0,0 +1,577 @@
|
|||
/* packet-p_mul.c
|
||||
*
|
||||
* Routines for P_Mul (ACP142) packet disassembly.
|
||||
* A protocol for reliable multicast messaging in bandwidth constrained
|
||||
* and delayed acknowledgement (EMCON) environments.
|
||||
*
|
||||
* Copyright 2005, Stig Bj›rlykke <stig@bjorlykke.org>, Thales Norway AS
|
||||
*
|
||||
* $Id$
|
||||
*
|
||||
* Ethereal - Network traffic analyzer
|
||||
* By Gerald Combs <gerald@ethereal.com>
|
||||
* 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.
|
||||
*
|
||||
* Ref: http://www.jcs.mil/j6/cceb/acps/Acp142.pdf
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include <epan/packet.h>
|
||||
#include <epan/to_str.h>
|
||||
#include <epan/prefs.h>
|
||||
|
||||
|
||||
/* Recommended UDP Port Numbers */
|
||||
#define P_MUL_TPORT 2751
|
||||
#define P_MUL_RPORT 2752
|
||||
#define P_MUL_DPORT 2753
|
||||
#define P_MUL_APORT 2754
|
||||
|
||||
/* PDU Types */
|
||||
#define Data_PDU 0x00
|
||||
#define Ack_PDU 0x01
|
||||
#define Address_PDU 0x02
|
||||
#define Discard_Message_PDU 0x03
|
||||
#define Announce_PDU 0x04
|
||||
#define Request_PDU 0x05
|
||||
#define Reject_PDU 0x06
|
||||
#define Release_PDU 0x07
|
||||
|
||||
void proto_reg_handoff_p_mul (void);
|
||||
|
||||
static int proto_p_mul = -1;
|
||||
|
||||
static int hf_length = -1;
|
||||
static int hf_priority = -1;
|
||||
static int hf_map_first = -1;
|
||||
static int hf_map_last = -1;
|
||||
static int hf_map_unused = -1;
|
||||
static int hf_pdu_type = -1;
|
||||
static int hf_no_pdus = -1;
|
||||
static int hf_seq_no = -1;
|
||||
static int hf_unused8 = -1;
|
||||
static int hf_unused16 = -1;
|
||||
static int hf_checksum = -1;
|
||||
static int hf_source_id_ack = -1;
|
||||
static int hf_source_id = -1;
|
||||
static int hf_message_id = -1;
|
||||
static int hf_expiry_time = -1;
|
||||
static int hf_mc_group = -1;
|
||||
static int hf_ann_mc_group = -1;
|
||||
static int hf_count_of_dest = -1;
|
||||
static int hf_length_of_res = -1;
|
||||
static int hf_ack_count = -1;
|
||||
static int hf_ack_entry = -1;
|
||||
static int hf_ack_length = -1;
|
||||
static int hf_miss_seq_no = -1;
|
||||
static int hf_dest_entry = -1;
|
||||
static int hf_dest_id = -1;
|
||||
static int hf_msg_seq_no = -1;
|
||||
static int hf_sym_key = -1;
|
||||
static int hf_fragment = -1;
|
||||
static int hf_error = -1;
|
||||
|
||||
static gint ett_p_mul = -1;
|
||||
static gint ett_pdu_type = -1;
|
||||
static gint ett_entry = -1;
|
||||
|
||||
/* User definable port numbers to use for dissection */
|
||||
static guint global_p_mul_tport = P_MUL_TPORT;
|
||||
static guint global_p_mul_rport = P_MUL_RPORT;
|
||||
static guint global_p_mul_dport = P_MUL_DPORT;
|
||||
static guint global_p_mul_aport = P_MUL_APORT;
|
||||
static guint p_mul_tport = 0;
|
||||
static guint p_mul_rport = 0;
|
||||
static guint p_mul_dport = 0;
|
||||
static guint p_mul_aport = 0;
|
||||
|
||||
static const value_string pdu_vals[] = {
|
||||
{ Data_PDU, "Data PDU" },
|
||||
{ Ack_PDU, "Ack PDU" },
|
||||
{ Address_PDU, "Address PDU" },
|
||||
{ Discard_Message_PDU, "Discard Message PDU" },
|
||||
{ Announce_PDU, "Announce PDU" },
|
||||
{ Request_PDU, "Request PDU" },
|
||||
{ Reject_PDU, "Reject PDU" },
|
||||
{ Release_PDU, "Release PDU" },
|
||||
{ 0, NULL } };
|
||||
|
||||
static const true_false_string yes_no = {
|
||||
"No", "Yes"
|
||||
};
|
||||
|
||||
static const gchar *get_type (guint8 value)
|
||||
{
|
||||
return val_to_str (value, pdu_vals, "Unknown");
|
||||
}
|
||||
|
||||
/*Function checksum, found in ACP142 annex B-3 */
|
||||
static guint16 checksum (guint8 *buffer, gint len, gint offset)
|
||||
{
|
||||
guint16 c0 = 0, c1 = 0, ret, ctmp;
|
||||
gint16 cs;
|
||||
guint8 *hpp, *pls;
|
||||
|
||||
buffer[offset] = 0;
|
||||
buffer[offset+1] = 0;
|
||||
ctmp = len - offset - 1;
|
||||
|
||||
pls = buffer + len;
|
||||
hpp = buffer;
|
||||
|
||||
while (hpp < pls) {
|
||||
if ((c0 += *hpp++) > 254) { c0 -= 255; }
|
||||
if ((c1 += c0) > 254) { c1 -= 255; }
|
||||
}
|
||||
|
||||
if ((cs = ((ctmp * c0) - c1) % 255L) < 0) { cs += 255; }
|
||||
ret = cs << 8;
|
||||
if ((cs = (c1 - ((ctmp + 1L) * c0)) % 255L) < 0) { cs += 255; }
|
||||
ret |= cs;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void dissect_p_mul (tvbuff_t *tvb, packet_info *pinfo _U_,
|
||||
proto_tree *tree)
|
||||
{
|
||||
proto_tree *p_mul_tree = NULL, *field_tree = NULL;
|
||||
proto_item *ti = NULL, *en = NULL;
|
||||
guint32 message_id = 0, no_pdus = 0, seq_no = 0;
|
||||
guint16 no_dest = 0, count = 0, len = 0, checksum1, checksum2;
|
||||
guint8 pdu_type = 0, *value = NULL, map = 0;
|
||||
gint i, no_missing = 0, offset = 0;
|
||||
nstime_t ts;
|
||||
|
||||
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "P_MUL");
|
||||
|
||||
if (check_col(pinfo->cinfo, COL_INFO))
|
||||
col_clear(pinfo->cinfo, COL_INFO);
|
||||
|
||||
/* First fetch PDU Type */
|
||||
pdu_type = tvb_get_guint8 (tvb, offset + 3) & 0x3F;
|
||||
|
||||
proto_item_append_text (ti, ", %s", get_type (pdu_type));
|
||||
|
||||
if (check_col(pinfo->cinfo, COL_INFO)) {
|
||||
col_add_fstr(pinfo->cinfo, COL_INFO, "%s", get_type (pdu_type));
|
||||
}
|
||||
|
||||
ti = proto_tree_add_item (tree, proto_p_mul, tvb, offset, -1, FALSE);
|
||||
p_mul_tree = proto_item_add_subtree (ti, ett_p_mul);
|
||||
|
||||
/* Length of PDU */
|
||||
proto_tree_add_item (p_mul_tree, hf_length, tvb, offset, 2, FALSE);
|
||||
offset += 2;
|
||||
|
||||
switch (pdu_type) {
|
||||
|
||||
case Data_PDU:
|
||||
case Ack_PDU:
|
||||
case Address_PDU:
|
||||
case Discard_Message_PDU:
|
||||
/* Priority */
|
||||
proto_tree_add_item (p_mul_tree, hf_priority, tvb, offset, 1, FALSE);
|
||||
break;
|
||||
|
||||
default:
|
||||
/* Unused */
|
||||
proto_tree_add_item (p_mul_tree, hf_unused8, tvb, offset, 1, FALSE);
|
||||
}
|
||||
offset += 1;
|
||||
|
||||
/* MAP / PDU_Type */
|
||||
en = proto_tree_add_uint_format (p_mul_tree, hf_pdu_type, tvb, offset, 1,
|
||||
pdu_type, "PDU Type: %s (0x%02x)",
|
||||
get_type (pdu_type), pdu_type);
|
||||
field_tree = proto_item_add_subtree (en, ett_pdu_type);
|
||||
|
||||
switch (pdu_type) {
|
||||
|
||||
case Address_PDU:
|
||||
case Announce_PDU:
|
||||
map = tvb_get_guint8 (tvb, offset);
|
||||
proto_tree_add_item (field_tree, hf_map_first, tvb, offset, 1, FALSE);
|
||||
proto_tree_add_item (field_tree, hf_map_last, tvb, offset, 1, FALSE);
|
||||
if ((map & 0x80) || (map & 0x40)) {
|
||||
proto_item_append_text (en, ", %s / %s",
|
||||
(map & 0x80) ? "Not first" : "First",
|
||||
(map & 0x40) ? "Not last" : "Last");
|
||||
} else {
|
||||
proto_item_append_text (en, ", Only one PDU");
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
proto_tree_add_item (field_tree, hf_map_unused, tvb, offset, 1, FALSE);
|
||||
break;
|
||||
}
|
||||
proto_tree_add_item (field_tree, hf_pdu_type, tvb, offset, 1, FALSE);
|
||||
offset += 1;
|
||||
|
||||
switch (pdu_type) {
|
||||
|
||||
case Address_PDU:
|
||||
/* Total Number of PDUs */
|
||||
no_pdus = tvb_get_ntohs (tvb, offset);
|
||||
proto_tree_add_item (p_mul_tree, hf_no_pdus, tvb, offset, 2, FALSE);
|
||||
break;
|
||||
|
||||
case Data_PDU:
|
||||
/* Sequence Number of PDUs */
|
||||
seq_no = tvb_get_ntohs (tvb, offset);
|
||||
proto_tree_add_item (p_mul_tree, hf_seq_no, tvb, offset, 2, FALSE);
|
||||
break;
|
||||
|
||||
case Announce_PDU:
|
||||
/* Count of Destination Entries */
|
||||
count = tvb_get_ntohs (tvb, offset);
|
||||
proto_tree_add_item (p_mul_tree, hf_count_of_dest, tvb, offset, 2,FALSE);
|
||||
break;
|
||||
|
||||
default:
|
||||
/* Unused */
|
||||
proto_tree_add_item (p_mul_tree, hf_unused16, tvb, offset, 2, FALSE);
|
||||
break;
|
||||
}
|
||||
offset += 2;
|
||||
|
||||
/* Checksum */
|
||||
len = tvb_length (tvb);
|
||||
value = tvb_get_string (tvb, 0, len);
|
||||
checksum1 = checksum (value, len, offset);
|
||||
checksum2 = tvb_get_ntohs (tvb, offset);
|
||||
g_free (value);
|
||||
en = proto_tree_add_item (p_mul_tree, hf_checksum, tvb, offset, 2, FALSE);
|
||||
if (checksum1 == checksum2) {
|
||||
proto_item_append_text (en, " (correct)");
|
||||
} else {
|
||||
proto_item_append_text (en, " (incorrect, should be 0x%04x)", checksum1);
|
||||
}
|
||||
offset += 2;
|
||||
|
||||
if (pdu_type == Ack_PDU) {
|
||||
/* Source ID of Ack Sender */
|
||||
proto_tree_add_item (p_mul_tree, hf_source_id_ack, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
/* Count of Ack Info Entries */
|
||||
count = tvb_get_ntohs (tvb, offset);
|
||||
proto_tree_add_item (p_mul_tree, hf_ack_count, tvb, offset, 2, FALSE);
|
||||
offset += 2;
|
||||
} else {
|
||||
/* Source Id */
|
||||
proto_tree_add_item (p_mul_tree, hf_source_id, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
/* Message Id */
|
||||
message_id = tvb_get_ntohl (tvb, offset);
|
||||
proto_tree_add_item (p_mul_tree, hf_message_id, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
}
|
||||
|
||||
if (pdu_type == Address_PDU || pdu_type == Announce_PDU) {
|
||||
/* Expiry Time */
|
||||
ts.secs = tvb_get_ntohl (tvb, offset);
|
||||
ts.nsecs = 0;
|
||||
proto_tree_add_time (p_mul_tree, hf_expiry_time, tvb, offset, 4, &ts);
|
||||
offset += 4;
|
||||
}
|
||||
|
||||
switch (pdu_type) {
|
||||
|
||||
case Address_PDU:
|
||||
/* Count of Destination Entries */
|
||||
no_dest = tvb_get_ntohs (tvb, offset);
|
||||
proto_tree_add_item (p_mul_tree, hf_count_of_dest, tvb, offset, 2, FALSE);
|
||||
offset += 2;
|
||||
|
||||
/* Length of Reserved Field */
|
||||
len = tvb_get_ntohs (tvb, offset);
|
||||
proto_tree_add_item (p_mul_tree, hf_length_of_res, tvb, offset, 2, FALSE);
|
||||
offset += 2;
|
||||
|
||||
for (i = 0; i < no_dest; i++) {
|
||||
/* Destination Entry */
|
||||
en = proto_tree_add_none_format (p_mul_tree, hf_dest_entry, tvb,
|
||||
offset, no_dest * (8 + len),
|
||||
"Destination Entry #%d", i + 1);
|
||||
field_tree = proto_item_add_subtree (en, ett_entry);
|
||||
|
||||
/* Destination Id */
|
||||
proto_tree_add_item (field_tree, hf_dest_id, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
/* Message Sequence Number */
|
||||
proto_tree_add_item (field_tree, hf_msg_seq_no, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
if (len > 0) {
|
||||
/* Reserved Field (variable length) */
|
||||
proto_tree_add_none_format (field_tree, hf_sym_key, tvb, offset,
|
||||
len, "Symmetric Key (%d byte%s)",
|
||||
len, plurality (len, "", "s"));
|
||||
offset += len;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case Data_PDU:
|
||||
/* Fragment of Data (variable length) */
|
||||
len = tvb_length_remaining (tvb, offset);
|
||||
if (len > 0) {
|
||||
proto_tree_add_none_format (tree, hf_fragment, tvb, offset,
|
||||
len, "Fragment of Data (%d byte%s)",
|
||||
len, plurality (len, "", "s"));
|
||||
proto_item_set_len (ti, offset);
|
||||
}
|
||||
offset += len;
|
||||
break;
|
||||
|
||||
case Ack_PDU:
|
||||
for (i = 0; i < count; i++) {
|
||||
/* Ack Info Entry */
|
||||
len = tvb_get_ntohs (tvb, offset);
|
||||
|
||||
en = proto_tree_add_none_format (p_mul_tree, hf_ack_entry, tvb,
|
||||
offset, count * len,
|
||||
"Ack Info Entry #%d", i + 1);
|
||||
field_tree = proto_item_add_subtree (en, ett_entry);
|
||||
|
||||
/* Length of Ack Info Entry */
|
||||
proto_tree_add_item (field_tree, hf_ack_length, tvb, offset, 2, FALSE);
|
||||
offset += 2;
|
||||
|
||||
/* Source Id */
|
||||
proto_tree_add_item (field_tree, hf_source_id, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
/* Message Id */
|
||||
proto_tree_add_item (field_tree, hf_message_id, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
for (no_missing = 0; no_missing < (len - 10) / 2; no_missing++) {
|
||||
/* Missing Data PDU Seq Number */
|
||||
proto_tree_add_item (field_tree, hf_miss_seq_no, tvb,offset, 2, FALSE);
|
||||
offset += 2;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case Announce_PDU:
|
||||
/* Announced Multicast Group */
|
||||
proto_tree_add_item (p_mul_tree, hf_ann_mc_group, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
for (i = 0; i < count; i++) {
|
||||
/* Destination Id */
|
||||
proto_tree_add_item (p_mul_tree, hf_dest_id, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
}
|
||||
break;
|
||||
|
||||
case Request_PDU:
|
||||
case Reject_PDU:
|
||||
case Release_PDU:
|
||||
/* Multicast Group */
|
||||
proto_tree_add_item (p_mul_tree, hf_mc_group, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
break;
|
||||
|
||||
default:
|
||||
/* Nothing */
|
||||
break;
|
||||
}
|
||||
|
||||
if (check_col(pinfo->cinfo, COL_INFO)) {
|
||||
if (seq_no) {
|
||||
col_append_fstr (pinfo->cinfo, COL_INFO, ", Seq no: %u", seq_no);
|
||||
} else if (no_pdus) {
|
||||
col_append_fstr (pinfo->cinfo, COL_INFO, ", No PDUs: %u", no_pdus);
|
||||
}
|
||||
if (no_missing) {
|
||||
col_append_fstr (pinfo->cinfo, COL_INFO, ", Missing seq numbers: %u",
|
||||
no_missing);
|
||||
} else if (pdu_type == Address_PDU) {
|
||||
col_append_fstr (pinfo->cinfo, COL_INFO, ", Count of Dest: %u",
|
||||
no_dest);
|
||||
}
|
||||
if (message_id) {
|
||||
col_append_fstr (pinfo->cinfo, COL_INFO, ", MSID: %u", message_id);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void proto_register_p_mul (void)
|
||||
{
|
||||
static hf_register_info hf[] = {
|
||||
{ &hf_length,
|
||||
{ "Length of PDU", "p_mul.length", FT_UINT16, BASE_DEC,
|
||||
NULL, 0x0, "Length of PDU", HFILL } },
|
||||
{ &hf_priority,
|
||||
{ "Priority", "p_mul.priority", FT_UINT8, BASE_DEC,
|
||||
NULL, 0x0, "Priority", HFILL } },
|
||||
{ &hf_map_first,
|
||||
{ "First", "p_mul.first", FT_BOOLEAN, 8,
|
||||
TFS (&yes_no), 0x80, "First", HFILL } },
|
||||
{ &hf_map_last,
|
||||
{ "Last", "p_mul.last", FT_BOOLEAN, 8,
|
||||
TFS (&yes_no), 0x40, "Last", HFILL } },
|
||||
{ &hf_map_unused,
|
||||
{ "MAP unused", "p_mul.unused", FT_UINT8, BASE_DEC,
|
||||
NULL, 0xC0, "MAP unused", HFILL } },
|
||||
{ &hf_pdu_type,
|
||||
{ "PDU Type", "p_mul.pdu_type", FT_UINT8, BASE_DEC,
|
||||
VALS (pdu_vals), 0x3F, "PDU Type", HFILL } },
|
||||
{ &hf_no_pdus,
|
||||
{ "Total Number of PDUs", "p_mul.no_pdus", FT_UINT16, BASE_DEC,
|
||||
NULL, 0x0, "Total Number of PDUs", HFILL } },
|
||||
{ &hf_seq_no,
|
||||
{ "Sequence Number of PDUs", "p_mul.seq_no", FT_UINT16, BASE_DEC,
|
||||
NULL, 0x0, "Sequence Number of PDUs", HFILL } },
|
||||
{ &hf_unused8,
|
||||
{ "Unused", "p_mul.unused", FT_UINT8, BASE_DEC,
|
||||
NULL, 0x0, "Unused", HFILL } },
|
||||
{ &hf_unused16,
|
||||
{ "Unused", "p_mul.unused", FT_UINT16, BASE_DEC,
|
||||
NULL, 0x0, "Unused", HFILL } },
|
||||
{ &hf_checksum,
|
||||
{ "Checksum", "p_mul.checksum", FT_UINT16, BASE_HEX,
|
||||
NULL, 0x0, "Checksum", HFILL } },
|
||||
{ &hf_source_id_ack,
|
||||
{ "Source ID of Ack Sender", "p_mul.source_id_ack", FT_IPv4, BASE_DEC,
|
||||
NULL, 0x0, "Source ID of Ack Sender", HFILL } },
|
||||
{ &hf_source_id,
|
||||
{ "Source ID", "p_mul.source_id", FT_IPv4, BASE_DEC,
|
||||
NULL, 0x0, "Source ID", HFILL } },
|
||||
{ &hf_message_id,
|
||||
{ "Message ID (MSID)", "p_mul.message_id", FT_UINT32, BASE_DEC,
|
||||
NULL, 0x0, "Message ID", HFILL } },
|
||||
{ &hf_expiry_time,
|
||||
{ "Expiry Time", "p_mul.expiry_time", FT_ABSOLUTE_TIME, BASE_DEC,
|
||||
NULL, 0x0, "Expiry Time", HFILL } },
|
||||
{ &hf_mc_group,
|
||||
{ "Multicast Group", "p_mul.mc_group", FT_UINT32, BASE_DEC,
|
||||
NULL, 0x0, "Multicast Group", HFILL } },
|
||||
{ &hf_ann_mc_group,
|
||||
{ "Announced Multicast Group", "p_mul.ann_mc_group", FT_UINT32, BASE_DEC,
|
||||
NULL, 0x0, "Announced Multicast Group", HFILL } },
|
||||
{ &hf_count_of_dest,
|
||||
{ "Count of Destination Entries", "p_mul.dest_count", FT_UINT16,BASE_DEC,
|
||||
NULL, 0x0, "Count of Destination Entries", HFILL } },
|
||||
{ &hf_length_of_res,
|
||||
{ "Length of Reserved Field", "p_mul.reserved_length",FT_UINT16,BASE_DEC,
|
||||
NULL, 0x0, "Length of Reserved Field", HFILL } },
|
||||
{ &hf_ack_count,
|
||||
{ "Count of Ack Info Entries", "p_mul.ack_count", FT_UINT16, BASE_DEC,
|
||||
NULL, 0x0, "Count of Ack Info Entries", HFILL } },
|
||||
{ &hf_ack_entry,
|
||||
{ "Ack Info Entry", "p_mul.ack_info_entry", FT_NONE, BASE_NONE,
|
||||
NULL, 0x0, "Ack Info Entry", HFILL } },
|
||||
{ &hf_ack_length,
|
||||
{ "Length of Ack Info Entry", "p_mul.ack_length", FT_UINT16, BASE_DEC,
|
||||
NULL, 0x0, "Length of Ack Info Entry", HFILL } },
|
||||
{ &hf_miss_seq_no,
|
||||
{ "Missing Data PDU Seq Number", "p_mul.missing_seq_no", FT_UINT16,
|
||||
BASE_DEC, NULL, 0x0, "Missing Data PDU Seq Number", HFILL } },
|
||||
{ &hf_dest_entry,
|
||||
{ "Destination Entry", "p_mul.dest_entry", FT_NONE, BASE_NONE,
|
||||
NULL, 0x0, "Destination Entry", HFILL } },
|
||||
{ &hf_dest_id,
|
||||
{ "Destination ID", "p_mul.dest_id", FT_IPv4, BASE_DEC,
|
||||
NULL, 0x0, "Destination ID", HFILL } },
|
||||
{ &hf_msg_seq_no,
|
||||
{ "Message Sequence Number", "p_mul.msg_seq_no", FT_UINT16, BASE_DEC,
|
||||
NULL, 0x0, "Message Sequence Number", HFILL } },
|
||||
{ &hf_sym_key,
|
||||
{ "Symmetric Key", "p_mul.sym_key", FT_NONE, BASE_NONE,
|
||||
NULL, 0x0, "Symmetric Key", HFILL } },
|
||||
{ &hf_fragment,
|
||||
{ "Fragment of Data", "p_mul.fragment", FT_NONE, BASE_NONE,
|
||||
NULL, 0x0, "Fragment of Data", HFILL } },
|
||||
{ &hf_error,
|
||||
{ "Error reading data", "p_mul.error", FT_NONE, BASE_NONE,
|
||||
NULL, 0x0, "Error reading data", HFILL } },
|
||||
};
|
||||
|
||||
static gint *ett[] = {
|
||||
&ett_p_mul,
|
||||
&ett_pdu_type,
|
||||
&ett_entry
|
||||
};
|
||||
|
||||
module_t *p_mul_module;
|
||||
|
||||
proto_p_mul = proto_register_protocol ("P_Mul (ACP142)", "P_MUL", "p_mul");
|
||||
|
||||
proto_register_field_array (proto_p_mul, hf, array_length (hf));
|
||||
proto_register_subtree_array (ett, array_length (ett));
|
||||
|
||||
/* Register our configuration options */
|
||||
p_mul_module = prefs_register_protocol (proto_p_mul,
|
||||
proto_reg_handoff_p_mul);
|
||||
|
||||
prefs_register_uint_preference (p_mul_module, "tport", "TPORT",
|
||||
"Used for transmission of Request_PDUs, "
|
||||
"Reject_PDUs and Release_PDUs between"
|
||||
"the transmitters",
|
||||
10, &global_p_mul_tport);
|
||||
prefs_register_uint_preference (p_mul_module, "rport", "RPORT",
|
||||
"Used for transmission of Announce_PDUs "
|
||||
"to inform the receiver(s)",
|
||||
10, &global_p_mul_rport);
|
||||
prefs_register_uint_preference (p_mul_module, "dport", "DPORT",
|
||||
"Used for the data traffic from the "
|
||||
"transmitters to the receiver(s)",
|
||||
10, &global_p_mul_dport);
|
||||
prefs_register_uint_preference (p_mul_module, "aport", "APORT",
|
||||
"Used for the data traffic from the "
|
||||
"receiver(s) to the transmitter",
|
||||
10, &global_p_mul_aport);
|
||||
}
|
||||
|
||||
void proto_reg_handoff_p_mul (void)
|
||||
{
|
||||
static int p_mul_prefs_initialized = FALSE;
|
||||
static dissector_handle_t p_mul_handle;
|
||||
|
||||
if (!p_mul_prefs_initialized) {
|
||||
p_mul_handle = create_dissector_handle (dissect_p_mul, proto_p_mul);
|
||||
p_mul_prefs_initialized = TRUE;
|
||||
} else {
|
||||
dissector_delete ("udp.port", p_mul_tport, p_mul_handle);
|
||||
dissector_delete ("udp.port", p_mul_rport, p_mul_handle);
|
||||
dissector_delete ("udp.port", p_mul_dport, p_mul_handle);
|
||||
dissector_delete ("udp.port", p_mul_aport, p_mul_handle);
|
||||
}
|
||||
|
||||
/* Save port numbers for later deletion */
|
||||
p_mul_tport = global_p_mul_tport;
|
||||
p_mul_rport = global_p_mul_rport;
|
||||
p_mul_dport = global_p_mul_dport;
|
||||
p_mul_aport = global_p_mul_aport;
|
||||
|
||||
/* We convert all P_Mul ports */
|
||||
dissector_add ("udp.port", global_p_mul_tport, p_mul_handle);
|
||||
dissector_add ("udp.port", global_p_mul_rport, p_mul_handle);
|
||||
dissector_add ("udp.port", global_p_mul_dport, p_mul_handle);
|
||||
dissector_add ("udp.port", global_p_mul_aport, p_mul_handle);
|
||||
}
|
||||
Loading…
Reference in New Issue