1e60d63c8c
This saves many dissectors the need to find the data dissector and store a handle to it. There were also some that were finding it, but not using it. For others this was the only reason for their handoff function, so it could be eliminated. Change-Id: I5d3f951ee1daa3d30c060d21bd12bbc881a8027b Reviewed-on: https://code.wireshark.org/review/14530 Petri-Dish: Michael Mann <mmann78@netscape.net> Reviewed-by: Michael Mann <mmann78@netscape.net>
630 lines
21 KiB
C
630 lines
21 KiB
C
/* packet-ifcp.c
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* Routines for iFCP dissection
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* RFC 3821, RFC 3643
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*
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* Copyright 2005 Aboo Valappil (valappil_aboo@emc.com)
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* 2006 ronnie sahlberg major refactoring
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*
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*
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* Significantly based on packet-fcip.c by
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* Copyright 2001, Dinesh G Dutt (ddutt@cisco.com)
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include "packet-tcp.h"
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#include "packet-fc.h"
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void proto_register_ifcp(void);
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void proto_reg_handoff_ifcp(void);
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#define iFCP_ENCAP_HEADER_LEN 28
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#define iFCP_MIN_HEADER_LEN 16 /* upto frame len field */
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typedef enum {
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iFCP_EOFn = 0x41,
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iFCP_EOFt = 0x42,
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iFCP_EOFrt = 0x44,
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iFCP_EOFdt = 0x46,
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iFCP_EOFni = 0x49,
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iFCP_EOFdti = 0x4E,
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iFCP_EOFrti = 0x4F,
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iFCP_EOFa = 0x50
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} ifcp_eof_t;
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typedef enum {
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iFCP_SOFf = 0x28,
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iFCP_SOFi4 = 0x29,
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iFCP_SOFi2 = 0x2D,
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iFCP_SOFi3 = 0x2E,
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iFCP_SOFn4 = 0x31,
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iFCP_SOFn2 = 0x35,
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iFCP_SOFn3 = 0x36,
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iFCP_SOFc4 = 0x39
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} ifcp_sof_t;
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typedef enum {
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FCENCAP_PROTO_FCIP = 1,
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FCENCAP_PROTO_iFCP = 2
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} fcencap_proto_t;
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static const value_string ifcp_eof_vals[] = {
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{iFCP_EOFn, "EOFn" },
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{iFCP_EOFt, "EOFt" },
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{iFCP_EOFrt, "EOFrt" },
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{iFCP_EOFdt, "EOFdt" },
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{iFCP_EOFni, "EOFni" },
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{iFCP_EOFdti, "EOFdti" },
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{iFCP_EOFrti, "EOFrti" },
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{iFCP_EOFa, "EOFa" },
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{0, NULL},
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};
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static const value_string ifcp_sof_vals[] = {
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{iFCP_SOFf, "SOFf" },
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{iFCP_SOFi4, "SOFi4" },
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{iFCP_SOFi2, "SOFi2" },
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{iFCP_SOFi3, "SOFi3" },
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{iFCP_SOFn4, "SOFn4" },
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{iFCP_SOFn2, "SOFn2" },
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{iFCP_SOFn3, "SOFn3" },
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{iFCP_SOFc4, "SOFc4" },
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{0, NULL},
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};
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static const value_string fcencap_proto_vals[] = {
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{FCENCAP_PROTO_iFCP, "iFCP"},
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{FCENCAP_PROTO_iFCP, "iFCP"},
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{0, NULL},
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};
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/* RFC 4172 section 5.3.1 shows a chart of the iFCP encapsulated Header Format.
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* It says that bytes 4-7 MUST be zeros. In reality most vendors are putting
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* some information in these 4 bytes, particularly Nishon.
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*/
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static const guint8 ifcp_header_4_bytes[4] = {
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0x02, 0x01, 0xFD, 0xFE
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};
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static int proto_ifcp = -1;
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static int hf_ifcp_protocol = -1;
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static int hf_ifcp_protocol_c = -1;
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static int hf_ifcp_version = -1;
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static int hf_ifcp_version_c = -1;
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static int hf_ifcp_encap_flags_c = -1;
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static int hf_ifcp_framelen = -1;
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static int hf_ifcp_framelen_c = -1;
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static int hf_ifcp_tsec = -1;
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static int hf_ifcp_tusec = -1;
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static int hf_ifcp_encap_crc = -1;
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static int hf_ifcp_sof = -1;
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static int hf_ifcp_sof_c = -1;
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static int hf_ifcp_eof = -1;
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static int hf_ifcp_eof_c = -1;
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static int hf_ifcp_ls_command_acc = -1;
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static int hf_ifcp_flags = -1;
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static int hf_ifcp_flags_ses = -1;
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static int hf_ifcp_flags_trp = -1;
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static int hf_ifcp_flags_spc = -1;
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static int hf_ifcp_common_flags = -1;
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static int hf_ifcp_common_flags_crcv = -1;
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static int ett_ifcp = -1;
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static int ett_ifcp_sof = -1;
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static int ett_ifcp_eof = -1;
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static int ett_ifcp_flags = -1;
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static int ett_ifcp_common_flags = -1;
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static int ett_ifcp_protocol = -1;
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static int ett_ifcp_version = -1;
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static int ett_ifcp_frame_len = -1;
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static gboolean ifcp_desegment = TRUE;
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static dissector_handle_t ifcp_handle = NULL;
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static dissector_handle_t fc_handle = NULL;
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/* This function checks the first 16 bytes of the "header" that it looks sane
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* and returns TRUE if this looks like iFCP and FALSE if it doesn't.
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*/
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static gboolean
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ifcp_header_test(tvbuff_t *tvb, int offset)
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{
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guint16 flen, flen1;
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/* we can only do this test if we have 16 bytes or more */
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if(tvb_captured_length_remaining(tvb, offset)<iFCP_MIN_HEADER_LEN){
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return FALSE;
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}
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/*
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* As per the iFCP standard, the following tests must PASS:
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* 1) Frame Length field validation -- 15 < Frame Length < 545;
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* 2) Comparison of Frame Length field to its ones complement; and
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* 3) A valid EOF is found in the word preceding the start of the next
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* iFCP header as indicated by the Frame Length field, to be tested
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* as follows:
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* 1) Bits 24-31 and 16-23 contain identical legal EOF values (the
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* list of legal EOF values is in the FC Frame Encapsulation
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* [21]); and
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* 2) Bits 8-15 and 0-7 contain the ones complement of the EOF
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* value found in bits 24-31.
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*
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* As per the iFCP standard, in addition, at least 3 of the following
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* set of tests must be performed to identify that we've located the
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* start of an iFCP frame.
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* a) Protocol# ones complement field (1 test);
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* b) Version ones complement field (1 test);
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* c) Replication of encapsulation word 0 in word 1 (1 test);
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* d) Reserved field and its ones complement (2 tests);
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* e) Flags field and its ones complement (2 tests);
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* f) CRC field is equal to zero (1 test); (DON'T DO THIS TEST!)
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* g) SOF fields and ones complement fields (4 tests);
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* h) Format and values of FC header (1 test);
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* i) CRC of FC Frame (2 tests);
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* j) FC Frame Encapsulation header information in the next iFCP Frame
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* (1 test).
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*
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* At least 3 of the 16 tests listed above SHALL be performed. Failure
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* of any of the above tests actually performed SHALL indicate an
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* encapsulation error and the FC Frame SHALL NOT be forwarded on to
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* the FC Entity.
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*/
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/*
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* Tests a, b and c
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*/
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if(tvb_memeql(tvb, offset, ifcp_header_4_bytes, 4) != 0){
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return FALSE;
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}
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/* check the frame length */
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flen=tvb_get_ntohs(tvb, offset+12)&0x03FF;
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if((flen < 15) || (flen > 545)){
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return FALSE;
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}
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/* check the complement of the frame length */
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flen1=tvb_get_ntohs(tvb, offset+14)&0x03FF;
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if(flen!=((~flen1)&0x03FF)){
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return FALSE;
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}
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/* this should be good enough for our heuristics */
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return TRUE;
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}
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#define IFCP_FLAGS_SES 0x04
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#define IFCP_FLAGS_TRP 0x02
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#define IFCP_FLAGS_SPC 0x01
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static const true_false_string ifcp_flags_ses_tfs = {
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"This is a SESSION CONTROL FRAME",
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"This is a normal frame"
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};
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static const true_false_string ifcp_flags_trp_tfs = {
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"Address TRANSPARENT Mode Enabled",
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"Address TRANSLATION Mode Enabled"
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};
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static const true_false_string ifcp_flags_spc_tfs = {
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"This frame requires SPECIAL PROCESSING",
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"This is a normal frame"
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};
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static int
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dissect_ifcpflags(tvbuff_t *tvb, int offset, proto_tree *parent_tree)
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{
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static const int * flags[] = {
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&hf_ifcp_flags_ses,
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&hf_ifcp_flags_trp,
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&hf_ifcp_flags_spc,
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NULL
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};
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proto_tree_add_bitmask(parent_tree, tvb, offset, hf_ifcp_flags,
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ett_ifcp_flags, flags, ENC_BIG_ENDIAN);
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offset++;
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return offset;
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}
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#define IFCP_COMMON_FLAGS_CRCV 0x04
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static void
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dissect_commonflags(tvbuff_t *tvb, int offset, proto_tree *parent_tree)
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{
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static const int * flags[] = {
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&hf_ifcp_common_flags_crcv,
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NULL
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};
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proto_tree_add_bitmask(parent_tree, tvb, offset, hf_ifcp_common_flags,
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ett_ifcp_common_flags, flags, ENC_BIG_ENDIAN);
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}
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static int
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dissect_ifcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_)
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{
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gint offset = 0, frame_len = 0;
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guint8 sof = 0, eof = 0;
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proto_item *ti;
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proto_tree *tree = NULL;
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tvbuff_t *next_tvb;
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guint8 protocol;
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proto_tree *protocol_tree = NULL;
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proto_tree *version_tree = NULL;
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proto_tree *frame_len_tree = NULL;
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proto_tree *sof_tree = NULL;
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proto_tree *eof_tree = NULL;
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fc_data_t fc_data;
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/* verify we have a full header (do we need to do this? */
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if(tvb_captured_length(tvb)<iFCP_ENCAP_HEADER_LEN){
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return 0;
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}
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "iFCP");
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frame_len = (tvb_get_ntohs (tvb, offset+12) & 0x03FF)*4;
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if (parent_tree) {
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if (tvb_bytes_exist (tvb, offset, frame_len-4)) {
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sof = tvb_get_guint8 (tvb, offset+iFCP_ENCAP_HEADER_LEN);
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eof = tvb_get_guint8 (tvb, offset+frame_len - 4);
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ti = proto_tree_add_protocol_format (parent_tree, proto_ifcp, tvb, offset,
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iFCP_ENCAP_HEADER_LEN,
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"iFCP (%s/%s)",
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val_to_str (sof, ifcp_sof_vals,
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"0x%x"),
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val_to_str (eof, ifcp_eof_vals,
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"0x%x"));
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} else {
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sof = tvb_get_guint8 (tvb, offset+iFCP_ENCAP_HEADER_LEN);
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ti = proto_tree_add_protocol_format (parent_tree, proto_ifcp, tvb, offset,
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iFCP_ENCAP_HEADER_LEN,
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"iFCP (%s/%s)",
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val_to_str (sof, ifcp_sof_vals,
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"0x%x"),
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"NA");
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}
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tree = proto_item_add_subtree (ti, ett_ifcp);
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}
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/* The Common FC Encap header */
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/* protocol */
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protocol = tvb_get_guint8 (tvb, offset);
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ti=proto_tree_add_item(tree, hf_ifcp_protocol, tvb, offset, 1, ENC_BIG_ENDIAN);
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protocol_tree=proto_item_add_subtree(ti, ett_ifcp_protocol);
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offset++;
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/* version */
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ti=proto_tree_add_item(tree, hf_ifcp_version, tvb, offset, 1, ENC_BIG_ENDIAN);
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version_tree=proto_item_add_subtree(ti, ett_ifcp_version);
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offset++;
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/* protocol complement */
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proto_tree_add_item(protocol_tree, hf_ifcp_protocol_c, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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/* version complement */
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proto_tree_add_item(version_tree, hf_ifcp_version_c, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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/* 4 reserved bytes */
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offset+=4;
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/* iFCP specific fields */
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if(protocol==FCENCAP_PROTO_iFCP){
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/* LS_COMMAND_ACC */
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proto_tree_add_item(tree, hf_ifcp_ls_command_acc, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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/* iFCP Flags */
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offset=dissect_ifcpflags(tvb, offset, tree);
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/* SOF */
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ti=proto_tree_add_item(tree, hf_ifcp_sof, tvb, offset, 1, ENC_BIG_ENDIAN);
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sof_tree=proto_item_add_subtree(ti, ett_ifcp_sof);
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offset++;
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/* EOF */
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ti=proto_tree_add_item(tree, hf_ifcp_eof, tvb, offset, 1, ENC_BIG_ENDIAN);
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eof_tree=proto_item_add_subtree(ti, ett_ifcp_eof);
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offset++;
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} else {
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offset+=4;
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sof_tree=tree; /* better than nothing */
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eof_tree=tree;
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}
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/* Common Flags */
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dissect_commonflags(tvb, offset, tree);
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/* frame len */
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ti=proto_tree_add_item(tree, hf_ifcp_framelen, tvb, offset, 2, ENC_BIG_ENDIAN);
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frame_len_tree=proto_item_add_subtree(ti, ett_ifcp_frame_len);
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offset+=2;
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/* complement of flags and frame len */
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proto_tree_add_item(frame_len_tree, hf_ifcp_encap_flags_c, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(frame_len_tree, hf_ifcp_framelen_c, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset+=2;
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/* timestamp seconds */
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proto_tree_add_item(tree, hf_ifcp_tsec, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset+=4;
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/* timestamp fractions */
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proto_tree_add_item(tree, hf_ifcp_tusec, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset+=4;
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/* crc */
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proto_tree_add_item(tree, hf_ifcp_encap_crc, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset+=4;
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/* FC SOF/-SOF */
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proto_tree_add_item(sof_tree, hf_ifcp_sof, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sof_tree, hf_ifcp_sof, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sof_tree, hf_ifcp_sof_c, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(sof_tree, hf_ifcp_sof_c, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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/* FC EOF/-EOF */
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if(tvb_bytes_exist(tvb, frame_len-4, 4)) {
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proto_tree_add_item(eof_tree, hf_ifcp_eof, tvb, frame_len-4, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(eof_tree, hf_ifcp_eof, tvb, frame_len-3, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(eof_tree, hf_ifcp_eof_c, tvb, frame_len-2, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(eof_tree, hf_ifcp_eof_c, tvb, frame_len-1, 1, ENC_BIG_ENDIAN);
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}
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/* Call the FC Dissector if this is carrying an FC frame */
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/* Set the SOF/EOF flags in the packet_info header */
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fc_data.sof_eof = 0;
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switch(sof){
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case iFCP_SOFi3:
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case iFCP_SOFi2:
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case iFCP_SOFi4:
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fc_data.sof_eof = FC_DATA_SOF_FIRST_FRAME;
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break;
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case iFCP_SOFf:
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fc_data.sof_eof = FC_DATA_SOF_SOFF;
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break;
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default:
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if(sof){
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if (eof != iFCP_EOFn) {
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fc_data.sof_eof |= FC_DATA_EOF_LAST_FRAME;
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} else if (eof != iFCP_EOFt) {
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fc_data.sof_eof |= FC_DATA_EOF_INVALID;
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}
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}
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}
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next_tvb=tvb_new_subset_length(tvb, offset, frame_len-offset-4);
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fc_data.ethertype = 0;
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if(fc_handle){
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call_dissector_with_data(fc_handle, next_tvb, pinfo, parent_tree, &fc_data);
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} else {
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call_data_dissector(next_tvb, pinfo, parent_tree);
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
static guint
|
|
get_ifcp_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
|
|
{
|
|
guint pdu_len;
|
|
|
|
if(!ifcp_header_test(tvb, offset)){
|
|
return 0;
|
|
}
|
|
|
|
pdu_len=(tvb_get_ntohs(tvb, offset+12)&0x03FF)*4;
|
|
return pdu_len;
|
|
}
|
|
|
|
static int
|
|
dissect_ifcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data)
|
|
{
|
|
tcp_dissect_pdus(tvb, pinfo, parent_tree, ifcp_desegment, iFCP_MIN_HEADER_LEN, get_ifcp_pdu_len, dissect_ifcp_pdu, data);
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
|
|
/* This is called for those sessions where we have explicitly said
|
|
* this to be iFCP using "Decode As..."
|
|
* In this case we will not check the port number for sanity and just
|
|
* do as the user said.
|
|
*/
|
|
static int
|
|
dissect_ifcp_handle(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
|
|
{
|
|
return dissect_ifcp(tvb, pinfo, tree, data);
|
|
}
|
|
|
|
static gboolean
|
|
dissect_ifcp_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
if(!ifcp_header_test(tvb, 0)){
|
|
return FALSE;
|
|
}
|
|
|
|
dissect_ifcp(tvb, pinfo, tree, data);
|
|
|
|
/* our heuristics are so strong that if the heuristics above passed
|
|
* and the dissection of the pdu did not cause any exceptions
|
|
* then we can set this as our conversation dissector
|
|
*/
|
|
if(ifcp_handle){
|
|
conversation_t* ifcp_conv;
|
|
|
|
ifcp_conv=find_or_create_conversation(pinfo);
|
|
/* XXX why does this not work? it doesn't result in dissect_ifcp_handle being called look into later*/
|
|
conversation_set_dissector(ifcp_conv, ifcp_handle);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
proto_register_ifcp (void)
|
|
{
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
static hf_register_info hf[] = {
|
|
{ &hf_ifcp_protocol,
|
|
{"Protocol", "ifcp.encap.proto", FT_UINT8, BASE_DEC, VALS(fcencap_proto_vals), 0,
|
|
NULL, HFILL }},
|
|
{ &hf_ifcp_protocol_c,
|
|
{"Protocol (1's Complement)", "ifcp.encap.protoc", FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_version,
|
|
{"Version", "ifcp.encap.version", FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_version_c,
|
|
{"Version (1's Complement)", "ifcp.encap.versionc", FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_encap_flags_c,
|
|
{"iFCP Encapsulation Flags (1's Complement)", "ifcp.encap_flagsc", FT_UINT8, BASE_HEX, NULL, 0xFC,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_framelen,
|
|
{"Frame Length (in Words)", "ifcp.encap.framelen", FT_UINT16, BASE_DEC, NULL, 0x03FF,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_framelen_c,
|
|
{"Frame Length (1's Complement)", "ifcp.encap.framelenc", FT_UINT16, BASE_DEC, NULL, 0x03FF,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_tsec,
|
|
{"Time (secs)", "ifcp.encap.tsec", FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_tusec,
|
|
{"Time (fraction)", "ifcp.encap.tusec", FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_encap_crc,
|
|
{"CRC", "ifcp.encap.crc", FT_UINT32, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_sof,
|
|
{"SOF", "ifcp.sof", FT_UINT8, BASE_HEX, VALS (ifcp_sof_vals), 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_eof,
|
|
{"EOF", "ifcp.eof", FT_UINT8, BASE_HEX, VALS (ifcp_eof_vals), 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_sof_c,
|
|
{"SOF Compliment", "ifcp.sof_c", FT_UINT8, BASE_HEX, NULL , 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_eof_c,
|
|
{"EOF Compliment", "ifcp.eof_c", FT_UINT8, BASE_HEX, NULL , 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_ls_command_acc,
|
|
{"Ls Command Acc", "ifcp.ls_command_acc", FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}},
|
|
{ &hf_ifcp_common_flags,
|
|
{"Flags", "ifcp.common_flags", FT_UINT8, BASE_HEX , NULL, 0xfc,
|
|
NULL, HFILL }},
|
|
{ &hf_ifcp_common_flags_crcv,
|
|
{"CRC", "ifcp.common_flags.crcv", FT_BOOLEAN, 8, TFS(&tfs_valid_not_valid), IFCP_COMMON_FLAGS_CRCV,
|
|
"Is the CRC field valid?", HFILL }},
|
|
{ &hf_ifcp_flags,
|
|
{"iFCP Flags", "ifcp.flags", FT_UINT8, BASE_HEX , NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_ifcp_flags_ses,
|
|
{"SES", "ifcp.flags.ses", FT_BOOLEAN, 8, TFS(&ifcp_flags_ses_tfs), IFCP_FLAGS_SES,
|
|
"Is this a Session control frame", HFILL }},
|
|
{ &hf_ifcp_flags_trp,
|
|
{"TRP", "ifcp.flags.trp", FT_BOOLEAN, 8, TFS(&ifcp_flags_trp_tfs), IFCP_FLAGS_TRP,
|
|
"Is address transparent mode enabled", HFILL }},
|
|
{ &hf_ifcp_flags_spc,
|
|
{"SPC", "ifcp.flags.spc", FT_BOOLEAN, 8, TFS(&ifcp_flags_spc_tfs), IFCP_FLAGS_SPC,
|
|
"Is frame part of link service", HFILL }},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_ifcp,
|
|
&ett_ifcp_sof,
|
|
&ett_ifcp_eof,
|
|
&ett_ifcp_protocol,
|
|
&ett_ifcp_version,
|
|
&ett_ifcp_frame_len,
|
|
&ett_ifcp_flags,
|
|
&ett_ifcp_common_flags,
|
|
};
|
|
|
|
module_t *ifcp_module;
|
|
|
|
/* Register the protocol name and description */
|
|
proto_ifcp = proto_register_protocol("iFCP", "iFCP", "ifcp");
|
|
|
|
proto_register_field_array(proto_ifcp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
ifcp_module = prefs_register_protocol(proto_ifcp, NULL);
|
|
prefs_register_bool_preference(ifcp_module,
|
|
"desegment",
|
|
"Reassemble iFCP messages spanning multiple TCP segments",
|
|
"Whether the iFCP 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.",
|
|
&ifcp_desegment);
|
|
prefs_register_obsolete_preference(ifcp_module, "target_port");
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_ifcp (void)
|
|
{
|
|
heur_dissector_add("tcp", dissect_ifcp_heur, "iFCP over TCP", "ifcp_tcp", proto_ifcp, HEURISTIC_ENABLE);
|
|
|
|
ifcp_handle = create_dissector_handle(dissect_ifcp_handle, proto_ifcp);
|
|
dissector_add_for_decode_as("tcp.port", ifcp_handle);
|
|
|
|
fc_handle = find_dissector_add_dependency("fc_ifcp", proto_ifcp);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://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:
|
|
*/
|