32b2b95f84
Change-Id: I678ff2c87895bd46ba0df21464b730f54d77af6b Reviewed-on: https://code.wireshark.org/review/15089 Reviewed-by: Anders Broman <a.broman58@gmail.com>
561 lines
18 KiB
C
561 lines
18 KiB
C
/* packet-fddi.c
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* Routines for FDDI packet disassembly
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*
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* ANSI Standard X3T9.5/88-139, Rev 4.0
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*
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* ISO Standards 9314-N (N = 1 for PHY, N = 2 for MAC, N = 6 for SMT, etc.)
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*
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* Laurent Deniel <laurent.deniel@free.fr>
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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 <wsutil/bitswap.h>
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#include <epan/prefs.h>
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#include <epan/conversation_table.h>
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#include <epan/capture_dissectors.h>
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#include "packet-llc.h"
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#include "packet-sflow.h"
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#include <epan/addr_resolv.h>
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void proto_register_fddi(void);
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void proto_reg_handoff_fddi(void);
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static int proto_fddi = -1;
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static int hf_fddi_fc = -1;
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static int hf_fddi_fc_clf = -1;
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static int hf_fddi_fc_prio = -1;
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static int hf_fddi_fc_smt_subtype = -1;
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static int hf_fddi_fc_mac_subtype = -1;
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static int hf_fddi_dst = -1;
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static int hf_fddi_src = -1;
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static int hf_fddi_addr = -1;
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static gint ett_fddi = -1;
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static gint ett_fddi_fc = -1;
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static int fddi_tap = -1;
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static dissector_handle_t fddi_handle, fddi_bitswapped_handle;
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static gboolean fddi_padding = FALSE;
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#define FDDI_PADDING ((fddi_padding) ? 3 : 0)
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/* FDDI Frame Control values */
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#define FDDI_FC_VOID 0x00 /* Void frame */
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#define FDDI_FC_NRT 0x80 /* Nonrestricted token */
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#define FDDI_FC_RT 0xc0 /* Restricted token */
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#define FDDI_FC_MAC 0xc0 /* MAC frame */
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#define FDDI_FC_SMT 0x40 /* SMT frame */
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#define FDDI_FC_SMT_INFO 0x41 /* SMT Info */
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#define FDDI_FC_SMT_NSA 0x4F /* SMT Next station adrs */
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#define FDDI_FC_SMT_MIN FDDI_FC_SMT_INFO
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#define FDDI_FC_SMT_MAX FDDI_FC_SMT_NSA
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#define FDDI_FC_MAC_MIN 0xc1
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#define FDDI_FC_MAC_BEACON 0xc2 /* MAC Beacon frame */
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#define FDDI_FC_MAC_CLAIM 0xc3 /* MAC Claim frame */
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#define FDDI_FC_MAC_MAX 0xcf
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#define FDDI_FC_LLC_ASYNC 0x50 /* Async. LLC frame */
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#define FDDI_FC_LLC_ASYNC_MIN FDDI_FC_LLC_ASYNC
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#define FDDI_FC_LLC_ASYNC_DEF 0x54
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#define FDDI_FC_LLC_ASYNC_MAX 0x5f
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#define FDDI_FC_LLC_SYNC 0xd0 /* Sync. LLC frame */
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#define FDDI_FC_LLC_SYNC_MIN FDDI_FC_LLC_SYNC
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#define FDDI_FC_LLC_SYNC_MAX 0xd7
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#define FDDI_FC_IMP_ASYNC 0x60 /* Implementor Async. */
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#define FDDI_FC_IMP_ASYNC_MIN FDDI_FC_IMP_ASYNC
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#define FDDI_FC_IMP_ASYNC_MAX 0x6f
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#define FDDI_FC_IMP_SYNC 0xe0 /* Implementor Synch. */
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#define FDDI_FC_CLFF 0xF0 /* Class/Length/Format bits */
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#define FDDI_FC_ZZZZ 0x0F /* Control bits */
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/*
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* Async frame ZZZZ bits:
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*/
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#define FDDI_FC_ASYNC_R 0x08 /* Reserved */
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#define FDDI_FC_ASYNC_PRI 0x07 /* Priority */
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#define CLFF_BITS(fc) (((fc) & FDDI_FC_CLFF) >> 4)
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#define ZZZZ_BITS(fc) ((fc) & FDDI_FC_ZZZZ)
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static const value_string clf_vals[] = {
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{ CLFF_BITS(FDDI_FC_VOID), "Void" },
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{ CLFF_BITS(FDDI_FC_SMT), "SMT" },
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{ CLFF_BITS(FDDI_FC_LLC_ASYNC), "Async LLC" },
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{ CLFF_BITS(FDDI_FC_IMP_ASYNC), "Implementor Async" },
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{ CLFF_BITS(FDDI_FC_NRT), "Nonrestricted Token" },
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{ CLFF_BITS(FDDI_FC_MAC), "MAC" },
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{ CLFF_BITS(FDDI_FC_LLC_SYNC), "Sync LLC" },
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{ CLFF_BITS(FDDI_FC_IMP_SYNC), "Implementor Sync" },
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{ 0, NULL }
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};
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static const value_string smt_subtype_vals[] = {
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{ ZZZZ_BITS(FDDI_FC_SMT_INFO), "Info" },
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{ ZZZZ_BITS(FDDI_FC_SMT_NSA), "Next Station Address" },
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{ 0, NULL }
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};
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static const value_string mac_subtype_vals[] = {
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{ ZZZZ_BITS(FDDI_FC_MAC_BEACON), "Beacon" },
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{ ZZZZ_BITS(FDDI_FC_MAC_CLAIM), "Claim" },
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{ 0, NULL }
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};
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typedef struct _fddi_hdr {
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guint8 fc;
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address dst;
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address src;
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} fddi_hdr;
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#define FDDI_HEADER_SIZE 13
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/* field positions */
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#define FDDI_P_FC 0
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#define FDDI_P_DHOST 1
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#define FDDI_P_SHOST 7
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static dissector_handle_t llc_handle;
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static void
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swap_mac_addr(guint8 *swapped_addr, tvbuff_t *tvb, gint offset)
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{
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tvb_memcpy(tvb, swapped_addr, offset, 6);
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bitswap_buf_inplace(swapped_addr, 6);
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}
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static const char* fddi_conv_get_filter_type(conv_item_t* conv, conv_filter_type_e filter)
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{
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if ((filter == CONV_FT_SRC_ADDRESS) && (conv->src_address.type == AT_ETHER))
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return "fddi.src";
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if ((filter == CONV_FT_DST_ADDRESS) && (conv->dst_address.type == AT_ETHER))
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return "fddi.dst";
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if ((filter == CONV_FT_ANY_ADDRESS) && (conv->src_address.type == AT_ETHER))
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return "fddi.addr";
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return CONV_FILTER_INVALID;
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}
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static ct_dissector_info_t fddi_ct_dissector_info = {&fddi_conv_get_filter_type};
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static int
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fddi_conversation_packet(void *pct, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip)
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{
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conv_hash_t *hash = (conv_hash_t*) pct;
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const fddi_hdr *ehdr=(const fddi_hdr *)vip;
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add_conversation_table_data(hash, &ehdr->src, &ehdr->dst, 0, 0, 1, pinfo->fd->pkt_len, &pinfo->rel_ts, &pinfo->abs_ts, &fddi_ct_dissector_info, PT_NONE);
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return 1;
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}
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static const char* fddi_host_get_filter_type(hostlist_talker_t* host, conv_filter_type_e filter)
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{
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if ((filter == CONV_FT_ANY_ADDRESS) && (host->myaddress.type == AT_ETHER))
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return "fddi.addr";
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return CONV_FILTER_INVALID;
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}
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static hostlist_dissector_info_t fddi_host_dissector_info = {&fddi_host_get_filter_type};
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static int
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fddi_hostlist_packet(void *pit, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip)
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{
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conv_hash_t *hash = (conv_hash_t*) pit;
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const fddi_hdr *ehdr=(const fddi_hdr *)vip;
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/* Take two "add" passes per packet, adding for each direction, ensures that all
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packets are counted properly (even if address is sending to itself)
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XXX - this could probably be done more efficiently inside hostlist_table */
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add_hostlist_table_data(hash, &ehdr->src, 0, TRUE, 1, pinfo->fd->pkt_len, &fddi_host_dissector_info, PT_NONE);
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add_hostlist_table_data(hash, &ehdr->dst, 0, FALSE, 1, pinfo->fd->pkt_len, &fddi_host_dissector_info, PT_NONE);
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return 1;
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}
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static gboolean
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capture_fddi(const guchar *pd, int offset, int len, capture_packet_info_t *cpinfo, const union wtap_pseudo_header *pseudo_header)
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{
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int fc;
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if (!BYTES_ARE_IN_FRAME(0, len, FDDI_HEADER_SIZE + FDDI_PADDING))
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return FALSE;
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offset = FDDI_PADDING + FDDI_HEADER_SIZE;
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fc = (int) pd[FDDI_P_FC+FDDI_PADDING];
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switch (fc) {
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/* From now, only 802.2 SNAP (Async. LCC frame) is supported */
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case FDDI_FC_LLC_ASYNC + 0 :
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case FDDI_FC_LLC_ASYNC + 1 :
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case FDDI_FC_LLC_ASYNC + 2 :
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case FDDI_FC_LLC_ASYNC + 3 :
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case FDDI_FC_LLC_ASYNC + 4 :
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case FDDI_FC_LLC_ASYNC + 5 :
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case FDDI_FC_LLC_ASYNC + 6 :
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case FDDI_FC_LLC_ASYNC + 7 :
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case FDDI_FC_LLC_ASYNC + 8 :
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case FDDI_FC_LLC_ASYNC + 9 :
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case FDDI_FC_LLC_ASYNC + 10 :
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case FDDI_FC_LLC_ASYNC + 11 :
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case FDDI_FC_LLC_ASYNC + 12 :
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case FDDI_FC_LLC_ASYNC + 13 :
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case FDDI_FC_LLC_ASYNC + 14 :
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case FDDI_FC_LLC_ASYNC + 15 :
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return capture_llc(pd, offset, len, cpinfo, pseudo_header);
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} /* fc */
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return FALSE;
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} /* capture_fddi */
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static const gchar *
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fddifc_to_str(int fc)
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{
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static gchar strbuf[128+1];
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switch (fc) {
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case FDDI_FC_VOID: /* Void frame */
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return "Void frame";
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case FDDI_FC_NRT: /* Nonrestricted token */
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return "Nonrestricted token";
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case FDDI_FC_RT: /* Restricted token */
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return "Restricted token";
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case FDDI_FC_SMT_INFO: /* SMT Info */
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return "SMT info";
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case FDDI_FC_SMT_NSA: /* SMT Next station adrs */
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return "SMT Next station address";
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case FDDI_FC_MAC_BEACON: /* MAC Beacon frame */
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return "MAC beacon";
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case FDDI_FC_MAC_CLAIM: /* MAC Claim frame */
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return "MAC claim token";
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default:
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switch (fc & FDDI_FC_CLFF) {
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case FDDI_FC_MAC:
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g_snprintf(strbuf, sizeof(strbuf), "MAC frame, control %x", fc & FDDI_FC_ZZZZ);
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return strbuf;
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case FDDI_FC_SMT:
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g_snprintf(strbuf, sizeof(strbuf), "SMT frame, control %x", fc & FDDI_FC_ZZZZ);
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return strbuf;
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case FDDI_FC_LLC_ASYNC:
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if (fc & FDDI_FC_ASYNC_R)
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g_snprintf(strbuf, sizeof(strbuf), "Async LLC frame, control %x", fc & FDDI_FC_ZZZZ);
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else
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g_snprintf(strbuf, sizeof(strbuf), "Async LLC frame, priority %d",
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fc & FDDI_FC_ASYNC_PRI);
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return strbuf;
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case FDDI_FC_LLC_SYNC:
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if (fc & FDDI_FC_ZZZZ) {
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g_snprintf(strbuf, sizeof(strbuf), "Sync LLC frame, control %x", fc & FDDI_FC_ZZZZ);
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return strbuf;
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} else
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return "Sync LLC frame";
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case FDDI_FC_IMP_ASYNC:
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g_snprintf(strbuf, sizeof(strbuf), "Implementor async frame, control %x",
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fc & FDDI_FC_ZZZZ);
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return strbuf;
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case FDDI_FC_IMP_SYNC:
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g_snprintf(strbuf, sizeof(strbuf), "Implementor sync frame, control %x",
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fc & FDDI_FC_ZZZZ);
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return strbuf;
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default:
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return "Unknown frame type";
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}
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}
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}
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static void
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dissect_fddi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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gboolean bitswapped)
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{
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proto_tree *fh_tree = NULL;
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proto_item *ti, *hidden_item;
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const gchar *fc_str;
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proto_tree *fc_tree;
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guchar *src = (guchar*)wmem_alloc(pinfo->pool, 6), *dst = (guchar*)wmem_alloc(pinfo->pool, 6);
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guchar src_swapped[6], dst_swapped[6];
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tvbuff_t *next_tvb;
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static fddi_hdr fddihdrs[4];
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static int fddihdr_num = 0;
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fddi_hdr *fddihdr;
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fddihdr_num++;
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if (fddihdr_num >= 4) {
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fddihdr_num = 0;
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}
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fddihdr = &fddihdrs[fddihdr_num];
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "FDDI");
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fddihdr->fc = tvb_get_guint8(tvb, FDDI_P_FC + FDDI_PADDING);
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fc_str = fddifc_to_str(fddihdr->fc);
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col_add_str(pinfo->cinfo, COL_INFO, fc_str);
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if (tree) {
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ti = proto_tree_add_protocol_format(tree, proto_fddi, tvb, 0, FDDI_HEADER_SIZE+FDDI_PADDING,
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"Fiber Distributed Data Interface, %s", fc_str);
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fh_tree = proto_item_add_subtree(ti, ett_fddi);
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ti = proto_tree_add_uint_format_value(fh_tree, hf_fddi_fc, tvb, FDDI_P_FC + FDDI_PADDING, 1, fddihdr->fc,
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"0x%02x (%s)", fddihdr->fc, fc_str);
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fc_tree = proto_item_add_subtree(ti, ett_fddi_fc);
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proto_tree_add_uint(fc_tree, hf_fddi_fc_clf, tvb, FDDI_P_FC + FDDI_PADDING, 1, fddihdr->fc);
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switch ((fddihdr->fc) & FDDI_FC_CLFF) {
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case FDDI_FC_SMT:
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proto_tree_add_uint(fc_tree, hf_fddi_fc_smt_subtype, tvb, FDDI_P_FC + FDDI_PADDING, 1, fddihdr->fc);
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break;
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case FDDI_FC_MAC:
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if (fddihdr->fc != FDDI_FC_RT)
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proto_tree_add_uint(fc_tree, hf_fddi_fc_mac_subtype, tvb, FDDI_P_FC + FDDI_PADDING, 1, fddihdr->fc);
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break;
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case FDDI_FC_LLC_ASYNC:
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if (!((fddihdr->fc) & FDDI_FC_ASYNC_R))
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proto_tree_add_uint(fc_tree, hf_fddi_fc_prio, tvb, FDDI_P_FC + FDDI_PADDING, 1, fddihdr->fc);
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break;
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}
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}
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/* Extract the destination address, possibly bit-swapping it. */
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if (bitswapped)
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swap_mac_addr(dst, tvb, FDDI_P_DHOST + FDDI_PADDING);
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else
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tvb_memcpy(tvb, dst, FDDI_P_DHOST + FDDI_PADDING, 6);
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swap_mac_addr(dst_swapped, tvb, FDDI_P_DHOST + FDDI_PADDING);
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set_address(&pinfo->dl_dst, AT_ETHER, 6, dst);
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copy_address_shallow(&pinfo->dst, &pinfo->dl_dst);
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copy_address_shallow(&fddihdr->dst, &pinfo->dl_dst);
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if (fh_tree) {
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proto_tree_add_ether(fh_tree, hf_fddi_dst, tvb, FDDI_P_DHOST + FDDI_PADDING, 6, dst);
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hidden_item = proto_tree_add_ether(fh_tree, hf_fddi_addr, tvb, FDDI_P_DHOST + FDDI_PADDING, 6, dst);
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PROTO_ITEM_SET_HIDDEN(hidden_item);
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/* hide some bit-swapped mac address fields in the proto_tree, just in case */
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hidden_item = proto_tree_add_ether(fh_tree, hf_fddi_dst, tvb, FDDI_P_DHOST + FDDI_PADDING, 6, dst_swapped);
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PROTO_ITEM_SET_HIDDEN(hidden_item);
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hidden_item = proto_tree_add_ether(fh_tree, hf_fddi_addr, tvb, FDDI_P_DHOST + FDDI_PADDING, 6, dst_swapped);
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PROTO_ITEM_SET_HIDDEN(hidden_item);
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}
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/* Extract the source address, possibly bit-swapping it. */
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if (bitswapped)
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swap_mac_addr(src, tvb, FDDI_P_SHOST + FDDI_PADDING);
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else
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tvb_memcpy(tvb, src, FDDI_P_SHOST + FDDI_PADDING, 6);
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swap_mac_addr(src_swapped, tvb, FDDI_P_SHOST + FDDI_PADDING);
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set_address(&pinfo->dl_src, AT_ETHER, 6, src);
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copy_address_shallow(&pinfo->src, &pinfo->dl_src);
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copy_address_shallow(&fddihdr->src, &pinfo->dl_src);
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if (fh_tree) {
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proto_tree_add_ether(fh_tree, hf_fddi_src, tvb, FDDI_P_SHOST + FDDI_PADDING, 6, src);
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hidden_item = proto_tree_add_ether(fh_tree, hf_fddi_addr, tvb, FDDI_P_SHOST + FDDI_PADDING, 6, src);
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PROTO_ITEM_SET_HIDDEN(hidden_item);
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/* hide some bit-swapped mac address fields in the proto_tree, just in case */
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hidden_item = proto_tree_add_ether(fh_tree, hf_fddi_src, tvb, FDDI_P_SHOST + FDDI_PADDING, 6, src_swapped);
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PROTO_ITEM_SET_HIDDEN(hidden_item);
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hidden_item = proto_tree_add_ether(fh_tree, hf_fddi_addr, tvb, FDDI_P_SHOST + FDDI_PADDING, 6, src_swapped);
|
|
PROTO_ITEM_SET_HIDDEN(hidden_item);
|
|
}
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, FDDI_HEADER_SIZE + FDDI_PADDING);
|
|
|
|
|
|
tap_queue_packet(fddi_tap, pinfo, fddihdr);
|
|
|
|
switch (fddihdr->fc) {
|
|
|
|
/* From now, only 802.2 SNAP (Async. LCC frame) is supported */
|
|
|
|
case FDDI_FC_LLC_ASYNC + 0 :
|
|
case FDDI_FC_LLC_ASYNC + 1 :
|
|
case FDDI_FC_LLC_ASYNC + 2 :
|
|
case FDDI_FC_LLC_ASYNC + 3 :
|
|
case FDDI_FC_LLC_ASYNC + 4 :
|
|
case FDDI_FC_LLC_ASYNC + 5 :
|
|
case FDDI_FC_LLC_ASYNC + 6 :
|
|
case FDDI_FC_LLC_ASYNC + 7 :
|
|
case FDDI_FC_LLC_ASYNC + 8 :
|
|
case FDDI_FC_LLC_ASYNC + 9 :
|
|
case FDDI_FC_LLC_ASYNC + 10 :
|
|
case FDDI_FC_LLC_ASYNC + 11 :
|
|
case FDDI_FC_LLC_ASYNC + 12 :
|
|
case FDDI_FC_LLC_ASYNC + 13 :
|
|
case FDDI_FC_LLC_ASYNC + 14 :
|
|
case FDDI_FC_LLC_ASYNC + 15 :
|
|
call_dissector(llc_handle, next_tvb, pinfo, tree);
|
|
return;
|
|
|
|
default :
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
return;
|
|
|
|
} /* fc */
|
|
} /* dissect_fddi */
|
|
|
|
|
|
static int
|
|
dissect_fddi_bitswapped(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
dissect_fddi(tvb, pinfo, tree, TRUE);
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
static int
|
|
dissect_fddi_not_bitswapped(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
dissect_fddi(tvb, pinfo, tree, FALSE);
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_fddi(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_fddi_fc,
|
|
{ "Frame Control", "fddi.fc", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_fddi_fc_clf,
|
|
{ "Class/Length/Format", "fddi.fc.clf", FT_UINT8, BASE_HEX, VALS(clf_vals), FDDI_FC_CLFF,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_fddi_fc_prio,
|
|
{ "Priority", "fddi.fc.prio", FT_UINT8, BASE_DEC, NULL, FDDI_FC_ASYNC_PRI,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_fddi_fc_smt_subtype,
|
|
{ "SMT Subtype", "fddi.fc.smt_subtype", FT_UINT8, BASE_DEC, VALS(smt_subtype_vals), FDDI_FC_ZZZZ,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_fddi_fc_mac_subtype,
|
|
{ "MAC Subtype", "fddi.fc.mac_subtype", FT_UINT8, BASE_DEC, VALS(mac_subtype_vals), FDDI_FC_ZZZZ,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_fddi_dst,
|
|
{ "Destination", "fddi.dst", FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
"Destination Hardware Address", HFILL }},
|
|
|
|
{ &hf_fddi_src,
|
|
{ "Source", "fddi.src", FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_fddi_addr,
|
|
{ "Source or Destination Address", "fddi.addr", FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
"Source or Destination Hardware Address", HFILL }},
|
|
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_fddi,
|
|
&ett_fddi_fc,
|
|
};
|
|
|
|
module_t *fddi_module;
|
|
|
|
proto_fddi = proto_register_protocol("Fiber Distributed Data Interface",
|
|
"FDDI", "fddi");
|
|
proto_register_field_array(proto_fddi, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/*
|
|
* Called from various dissectors for encapsulated FDDI frames.
|
|
* We assume the MAC addresses in them aren't bitswapped.
|
|
*/
|
|
fddi_handle = register_dissector("fddi", dissect_fddi_not_bitswapped, proto_fddi);
|
|
|
|
/*
|
|
* Here, we assume they are bitswapped.
|
|
*/
|
|
fddi_bitswapped_handle = register_dissector("fddi_bitswapped", dissect_fddi_bitswapped, proto_fddi);
|
|
|
|
fddi_module = prefs_register_protocol(proto_fddi, NULL);
|
|
prefs_register_bool_preference(fddi_module, "padding",
|
|
"Add 3-byte padding to all FDDI packets",
|
|
"Whether the FDDI dissector should add 3-byte padding to all "
|
|
"captured FDDI packets (useful with e.g. Tru64 UNIX tcpdump)",
|
|
&fddi_padding);
|
|
|
|
fddi_tap = register_tap("fddi");
|
|
register_conversation_table(proto_fddi, TRUE, fddi_conversation_packet, fddi_hostlist_packet);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_fddi(void)
|
|
{
|
|
/*
|
|
* Get a handle for the LLC dissector.
|
|
*/
|
|
llc_handle = find_dissector_add_dependency("llc", proto_fddi);
|
|
|
|
dissector_add_uint("wtap_encap", WTAP_ENCAP_FDDI_BITSWAPPED,
|
|
fddi_bitswapped_handle);
|
|
|
|
register_capture_dissector("wtap_encap", WTAP_ENCAP_FDDI, capture_fddi, proto_fddi);
|
|
register_capture_dissector("wtap_encap", WTAP_ENCAP_FDDI_BITSWAPPED, capture_fddi, proto_fddi);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|