forked from osmocom/wireshark
![Guy Harris](/assets/img/avatar_default.png)
Use WTAP_MAX_PACKET_SIZE_STANDARD, set to 256KB, for everything except for D-Bus captures. Use WTAP_MAX_PACKET_SIZE_DBUS, set to 128MB, for them, because that's the largest possible D-Bus message size. See https://bugs.freedesktop.org/show_bug.cgi?id=100220 for an example of the problems caused by limiting the snapshot length to 256KB for D-Bus. Have a snapshot length of 0 in a capture_file structure mean "there is no snapshot length for the file"; we don't need the has_snap field in that case, a value of 0 mean "no, we don't have a snapshot length". In dumpcap, start out with a pipe buffer size of 2KB, and grow it as necessary. When checking for a too-big packet from a pipe, check against the appropriate maximum - 128MB for DLT_DBUS, 256KB for everything else. Change-Id: Ib2ce7a0cf37b971fbc0318024fd011e18add8b20 Reviewed-on: https://code.wireshark.org/review/21952 Petri-Dish: Guy Harris <guy@alum.mit.edu> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Guy Harris <guy@alum.mit.edu>
619 lines
19 KiB
C
619 lines
19 KiB
C
/* iptrace.c
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*
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* Wiretap Library
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* Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
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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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*/
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#include "config.h"
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include "wtap-int.h"
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#include "file_wrappers.h"
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#include "atm.h"
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#include "iptrace.h"
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#define IPTRACE_IFT_HF 0x3d /* Support for PERCS IP-HFI*/
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#define IPTRACE_IFT_IB 0xc7 /* IP over Infiniband. Number by IANA */
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static gboolean iptrace_read_1_0(wtap *wth, int *err, gchar **err_info,
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gint64 *data_offset);
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static gboolean iptrace_seek_read_1_0(wtap *wth, gint64 seek_off,
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struct wtap_pkthdr *phdr, Buffer *buf, int *err, gchar **err_info);
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static gboolean iptrace_read_2_0(wtap *wth, int *err, gchar **err_info,
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gint64 *data_offset);
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static gboolean iptrace_seek_read_2_0(wtap *wth, gint64 seek_off,
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struct wtap_pkthdr *phdr, Buffer *buf, int *err, gchar **err_info);
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static gboolean iptrace_read_rec_data(FILE_T fh, Buffer *buf,
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struct wtap_pkthdr *phdr, int *err, gchar **err_info);
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static void fill_in_pseudo_header(int encap,
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union wtap_pseudo_header *pseudo_header, guint8 *header);
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static int wtap_encap_ift(unsigned int ift);
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#define NAME_SIZE 11
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wtap_open_return_val iptrace_open(wtap *wth, int *err, gchar **err_info)
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{
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char name[NAME_SIZE+1];
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if (!wtap_read_bytes(wth->fh, name, NAME_SIZE, err, err_info)) {
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if (*err != WTAP_ERR_SHORT_READ)
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return WTAP_OPEN_ERROR;
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return WTAP_OPEN_NOT_MINE;
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}
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name[NAME_SIZE] = '\0';
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if (strcmp(name, "iptrace 1.0") == 0) {
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wth->file_type_subtype = WTAP_FILE_TYPE_SUBTYPE_IPTRACE_1_0;
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wth->subtype_read = iptrace_read_1_0;
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wth->subtype_seek_read = iptrace_seek_read_1_0;
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wth->file_tsprec = WTAP_TSPREC_SEC;
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}
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else if (strcmp(name, "iptrace 2.0") == 0) {
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wth->file_type_subtype = WTAP_FILE_TYPE_SUBTYPE_IPTRACE_2_0;
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wth->subtype_read = iptrace_read_2_0;
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wth->subtype_seek_read = iptrace_seek_read_2_0;
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wth->file_tsprec = WTAP_TSPREC_NSEC;
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}
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else {
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return WTAP_OPEN_NOT_MINE;
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}
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return WTAP_OPEN_MINE;
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}
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/***********************************************************
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* iptrace 1.0 *
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***********************************************************/
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/*
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* iptrace 1.0, discovered through inspection
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*
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* Packet record contains:
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*
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* an initial header, with a length field and a time stamp, in
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* seconds since the Epoch;
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*
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* data, with the specified length.
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*
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* The data contains:
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*
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* a bunch of information about the packet;
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*
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* padding, at least for FDDI;
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*
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* the raw packet data.
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*/
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typedef struct {
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/* 0-3 */ guint32 pkt_length; /* packet length + 0x16 */
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/* 4-7 */ guint32 tv_sec; /* time stamp, seconds since the Epoch */
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/* 8-11 */ guint32 junk1; /* ???, not time */
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/* 12-15 */ char if_name[4]; /* null-terminated */
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/* 16-27 */ char junk2[12]; /* ??? */
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/* 28 */ guint8 if_type; /* BSD net/if_types.h */
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/* 29 */ guint8 tx_flag; /* 0=receive, 1=transmit */
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} iptrace_1_0_phdr;
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#define IPTRACE_1_0_PHDR_SIZE 30 /* initial header plus packet data */
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#define IPTRACE_1_0_PDATA_SIZE 22 /* packet data */
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static gboolean
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iptrace_read_rec_1_0(FILE_T fh, struct wtap_pkthdr *phdr, Buffer *buf,
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int *err, gchar **err_info)
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{
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guint8 header[IPTRACE_1_0_PHDR_SIZE];
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iptrace_1_0_phdr pkt_hdr;
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guint32 packet_size;
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if (!wtap_read_bytes_or_eof(fh, header, sizeof header, err, err_info)) {
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/* Read error or EOF */
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return FALSE;
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}
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/*
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* Byte 28 of the frame header appears to be a BSD-style IFT_xxx
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* value giving the type of the interface. Check out the
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* <net/if_types.h> header file.
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*/
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pkt_hdr.if_type = header[28];
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phdr->pkt_encap = wtap_encap_ift(pkt_hdr.if_type);
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if (phdr->pkt_encap == WTAP_ENCAP_UNKNOWN) {
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*err = WTAP_ERR_UNSUPPORTED;
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*err_info = g_strdup_printf("iptrace: interface type IFT=0x%02x unknown or unsupported",
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pkt_hdr.if_type);
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return FALSE;
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}
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/* Read the packet metadata */
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packet_size = pntoh32(&header[0]);
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if (packet_size < IPTRACE_1_0_PDATA_SIZE) {
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/*
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* Uh-oh, the record isn't big enough to even have a
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* packet meta-data header.
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*/
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*err = WTAP_ERR_BAD_FILE;
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*err_info = g_strdup_printf("iptrace: file has a %u-byte record, too small to have even a packet meta-data header",
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packet_size);
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return FALSE;
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}
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packet_size -= IPTRACE_1_0_PDATA_SIZE;
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/*
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* AIX appears to put 3 bytes of padding in front of FDDI
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* frames; strip that crap off.
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*/
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if (phdr->pkt_encap == WTAP_ENCAP_FDDI_BITSWAPPED) {
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/*
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* The packet size is really a record size and includes
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* the padding.
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*/
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if (packet_size < 3) {
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/*
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* Uh-oh, the record isn't big enough to even have
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* the padding.
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*/
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*err = WTAP_ERR_BAD_FILE;
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*err_info = g_strdup_printf("iptrace: file has a %u-byte record, too small to have even a packet meta-data header",
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packet_size + IPTRACE_1_0_PDATA_SIZE);
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return FALSE;
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}
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packet_size -= 3;
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/*
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* Skip the padding.
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*/
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if (!wtap_read_bytes(fh, NULL, 3, err, err_info))
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return FALSE;
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}
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if (packet_size > WTAP_MAX_PACKET_SIZE_STANDARD) {
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/*
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* Probably a corrupt capture file; don't blow up trying
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* to allocate space for an immensely-large packet.
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*/
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*err = WTAP_ERR_BAD_FILE;
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*err_info = g_strdup_printf("iptrace: File has %u-byte packet, bigger than maximum of %u",
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packet_size, WTAP_MAX_PACKET_SIZE_STANDARD);
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return FALSE;
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}
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phdr->rec_type = REC_TYPE_PACKET;
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phdr->presence_flags = WTAP_HAS_TS;
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phdr->len = packet_size;
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phdr->caplen = packet_size;
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phdr->ts.secs = pntoh32(&header[4]);
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phdr->ts.nsecs = 0;
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/* Fill in the pseudo-header. */
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fill_in_pseudo_header(phdr->pkt_encap, &phdr->pseudo_header, header);
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/* Get the packet data */
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return iptrace_read_rec_data(fh, buf, phdr, err, err_info);
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}
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/* Read the next packet */
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static gboolean iptrace_read_1_0(wtap *wth, int *err, gchar **err_info,
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gint64 *data_offset)
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{
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*data_offset = file_tell(wth->fh);
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/* Read the packet */
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if (!iptrace_read_rec_1_0(wth->fh, &wth->phdr, wth->frame_buffer,
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err, err_info)) {
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/* Read error or EOF */
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return FALSE;
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}
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/* If the per-file encapsulation isn't known, set it to this
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packet's encapsulation.
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If it *is* known, and it isn't this packet's encapsulation,
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set it to WTAP_ENCAP_PER_PACKET, as this file doesn't
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have a single encapsulation for all packets in the file. */
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if (wth->file_encap == WTAP_ENCAP_UNKNOWN)
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wth->file_encap = wth->phdr.pkt_encap;
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else {
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if (wth->file_encap != wth->phdr.pkt_encap)
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wth->file_encap = WTAP_ENCAP_PER_PACKET;
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}
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return TRUE;
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}
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static gboolean iptrace_seek_read_1_0(wtap *wth, gint64 seek_off,
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struct wtap_pkthdr *phdr, Buffer *buf, int *err, gchar **err_info)
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{
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if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
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return FALSE;
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/* Read the packet */
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if (!iptrace_read_rec_1_0(wth->random_fh, phdr, buf, err, err_info)) {
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if (*err == 0)
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*err = WTAP_ERR_SHORT_READ;
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return FALSE;
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}
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return TRUE;
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}
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/***********************************************************
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* iptrace 2.0 *
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***********************************************************/
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/*
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* iptrace 2.0, discovered through inspection
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*
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* Packet record contains:
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*
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* an initial header, with a length field and a time stamp, in
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|
* seconds since the Epoch;
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|
*
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|
* data, with the specified length.
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*
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* The data contains:
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*
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* a bunch of information about the packet;
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*
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* padding, at least for FDDI;
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*
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* the raw packet data.
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*/
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typedef struct {
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/* 0-3 */ guint32 pkt_length; /* packet length + 32 */
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/* 4-7 */ guint32 tv_sec0; /* time stamp, seconds since the Epoch */
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/* 8-11 */ guint32 junk1; /* ?? */
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/* 12-15 */ char if_name[4]; /* null-terminated */
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/* 16-27 */ char if_desc[12]; /* interface description. */
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/* 28 */ guint8 if_type; /* BSD net/if_types.h */
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/* 29 */ guint8 tx_flag; /* 0=receive, 1=transmit */
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/* 30-31 */ guint16 junk3;
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/* 32-35 */ guint32 tv_sec; /* time stamp, seconds since the Epoch */
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/* 36-39 */ guint32 tv_nsec; /* nanoseconds since that second */
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} iptrace_2_0_phdr;
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#define IPTRACE_2_0_PHDR_SIZE 40 /* initial header plus packet data */
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#define IPTRACE_2_0_PDATA_SIZE 32 /* packet data */
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static gboolean
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iptrace_read_rec_2_0(FILE_T fh, struct wtap_pkthdr *phdr, Buffer *buf,
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int *err, gchar **err_info)
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{
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guint8 header[IPTRACE_2_0_PHDR_SIZE];
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iptrace_2_0_phdr pkt_hdr;
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guint32 packet_size;
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if (!wtap_read_bytes_or_eof(fh, header, sizeof header, err, err_info)) {
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/* Read error or EOF */
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return FALSE;
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}
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/*
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* Byte 28 of the frame header appears to be a BSD-style IFT_xxx
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* value giving the type of the interface. Check out the
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* <net/if_types.h> header file.
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*/
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pkt_hdr.if_type = header[28];
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phdr->pkt_encap = wtap_encap_ift(pkt_hdr.if_type);
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#if 0
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/*
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* We used to error out if the interface type in iptrace was
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* unknown/unhandled, but an iptrace may contain packets
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* from a variety of interfaces, some known, and others
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* unknown.
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*
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* It is better to display the data even for unknown interface
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* types, isntead of erroring out. In the future, it would be
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* nice to be able to flag which frames are shown as data
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* because their interface type is unknown, and also present
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* the interface type number to the user so that it can be
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* reported easily back to the Wireshark developer.
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*
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* XXX - what types are there that are used in files but
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* that we don't handle?
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*/
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if (phdr->pkt_encap == WTAP_ENCAP_UNKNOWN) {
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*err = WTAP_ERR_UNSUPPORTED;
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*err_info = g_strdup_printf("iptrace: interface type IFT=0x%02x unknown or unsupported",
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pkt_hdr.if_type);
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return FALSE;
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}
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#endif
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/* Read the packet metadata */
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packet_size = pntoh32(&header[0]);
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if (packet_size < IPTRACE_2_0_PDATA_SIZE) {
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/*
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* Uh-oh, the record isn't big enough to even have a
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* packet meta-data header.
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*/
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*err = WTAP_ERR_BAD_FILE;
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*err_info = g_strdup_printf("iptrace: file has a %u-byte record, too small to have even a packet meta-data header",
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packet_size);
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return FALSE;
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}
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packet_size -= IPTRACE_2_0_PDATA_SIZE;
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|
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/*
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* AIX appears to put 3 bytes of padding in front of FDDI
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* frames; strip that crap off.
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*/
|
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if (phdr->pkt_encap == WTAP_ENCAP_FDDI_BITSWAPPED) {
|
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/*
|
|
* The packet size is really a record size and includes
|
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* the padding.
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*/
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if (packet_size < 3) {
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/*
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* Uh-oh, the record isn't big enough to even have
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* the padding.
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*/
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*err = WTAP_ERR_BAD_FILE;
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*err_info = g_strdup_printf("iptrace: file has a %u-byte record, too small to have even a packet meta-data header",
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packet_size + IPTRACE_2_0_PDATA_SIZE);
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return FALSE;
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}
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packet_size -= 3;
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/*
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* Skip the padding.
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*/
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if (!wtap_read_bytes(fh, NULL, 3, err, err_info))
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return FALSE;
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}
|
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if (packet_size > WTAP_MAX_PACKET_SIZE_STANDARD) {
|
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/*
|
|
* Probably a corrupt capture file; don't blow up trying
|
|
* to allocate space for an immensely-large packet.
|
|
*/
|
|
*err = WTAP_ERR_BAD_FILE;
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*err_info = g_strdup_printf("iptrace: File has %u-byte packet, bigger than maximum of %u",
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packet_size, WTAP_MAX_PACKET_SIZE_STANDARD);
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return FALSE;
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}
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phdr->rec_type = REC_TYPE_PACKET;
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phdr->presence_flags = WTAP_HAS_TS;
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phdr->len = packet_size;
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phdr->caplen = packet_size;
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phdr->ts.secs = pntoh32(&header[32]);
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phdr->ts.nsecs = pntoh32(&header[36]);
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/* Fill in the pseudo_header. */
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fill_in_pseudo_header(phdr->pkt_encap, &phdr->pseudo_header, header);
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/* Get the packet data */
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return iptrace_read_rec_data(fh, buf, phdr, err, err_info);
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}
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|
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/* Read the next packet */
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static gboolean iptrace_read_2_0(wtap *wth, int *err, gchar **err_info,
|
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gint64 *data_offset)
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{
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*data_offset = file_tell(wth->fh);
|
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|
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/* Read the packet */
|
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if (!iptrace_read_rec_2_0(wth->fh, &wth->phdr, wth->frame_buffer,
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err, err_info)) {
|
|
/* Read error or EOF */
|
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return FALSE;
|
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}
|
|
|
|
/* If the per-file encapsulation isn't known, set it to this
|
|
packet's encapsulation.
|
|
|
|
If it *is* known, and it isn't this packet's encapsulation,
|
|
set it to WTAP_ENCAP_PER_PACKET, as this file doesn't
|
|
have a single encapsulation for all packets in the file. */
|
|
if (wth->file_encap == WTAP_ENCAP_UNKNOWN)
|
|
wth->file_encap = wth->phdr.pkt_encap;
|
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else {
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if (wth->file_encap != wth->phdr.pkt_encap)
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wth->file_encap = WTAP_ENCAP_PER_PACKET;
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}
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return TRUE;
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|
}
|
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|
|
static gboolean iptrace_seek_read_2_0(wtap *wth, gint64 seek_off,
|
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struct wtap_pkthdr *phdr, Buffer *buf, int *err, gchar **err_info)
|
|
{
|
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if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
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return FALSE;
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|
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/* Read the packet */
|
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if (!iptrace_read_rec_2_0(wth->random_fh, phdr, buf, err, err_info)) {
|
|
if (*err == 0)
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*err = WTAP_ERR_SHORT_READ;
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return FALSE;
|
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}
|
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return TRUE;
|
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}
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|
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static gboolean
|
|
iptrace_read_rec_data(FILE_T fh, Buffer *buf, struct wtap_pkthdr *phdr,
|
|
int *err, gchar **err_info)
|
|
{
|
|
if (!wtap_read_packet_bytes(fh, buf, phdr->caplen, err, err_info))
|
|
return FALSE;
|
|
|
|
if (phdr->pkt_encap == WTAP_ENCAP_ATM_PDUS) {
|
|
/*
|
|
* Attempt to guess from the packet data, the VPI,
|
|
* and the VCI information about the type of traffic.
|
|
*/
|
|
atm_guess_traffic_type(phdr, ws_buffer_start_ptr(buf));
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Fill in the pseudo-header information we can.
|
|
*
|
|
* For ATM traffic, "iptrace", alas, doesn't tell us what type of traffic
|
|
* is in the packet - it was presumably run on a machine that was one of
|
|
* the endpoints of the connection, so in theory it could presumably have
|
|
* told us, but, for whatever reason, it failed to do so - perhaps the
|
|
* low-level mechanism that feeds the presumably-AAL5 frames to us doesn't
|
|
* have access to that information (e.g., because it's in the ATM driver,
|
|
* and the ATM driver merely knows that stuff on VPI/VCI X.Y should be
|
|
* handed up to some particular client, it doesn't know what that client is).
|
|
*
|
|
* We let our caller try to figure out what kind of traffic it is, either
|
|
* by guessing based on the VPI/VCI, guessing based on the header of the
|
|
* packet, seeing earlier traffic that set up the circuit and specified
|
|
* in some fashion what sort of traffic it is, or being told by the user.
|
|
*/
|
|
static void
|
|
fill_in_pseudo_header(int encap, union wtap_pseudo_header *pseudo_header,
|
|
guint8 *header)
|
|
{
|
|
char if_text[9];
|
|
char *decimal;
|
|
int Vpi = 0;
|
|
int Vci = 0;
|
|
|
|
switch (encap) {
|
|
|
|
case WTAP_ENCAP_ATM_PDUS:
|
|
/* Rip apart the "x.y" text into Vpi/Vci numbers */
|
|
memcpy(if_text, &header[20], 8);
|
|
if_text[8] = '\0';
|
|
decimal = strchr(if_text, '.');
|
|
if (decimal) {
|
|
*decimal = '\0';
|
|
Vpi = (int)strtoul(if_text, NULL, 10);
|
|
decimal++;
|
|
Vci = (int)strtoul(decimal, NULL, 10);
|
|
}
|
|
|
|
/*
|
|
* OK, which value means "DTE->DCE" and which value means
|
|
* "DCE->DTE"?
|
|
*/
|
|
pseudo_header->atm.channel = header[29];
|
|
|
|
pseudo_header->atm.vpi = Vpi;
|
|
pseudo_header->atm.vci = Vci;
|
|
|
|
/* We don't have this information */
|
|
pseudo_header->atm.flags = 0;
|
|
pseudo_header->atm.cells = 0;
|
|
pseudo_header->atm.aal5t_u2u = 0;
|
|
pseudo_header->atm.aal5t_len = 0;
|
|
pseudo_header->atm.aal5t_chksum = 0;
|
|
break;
|
|
|
|
case WTAP_ENCAP_ETHERNET:
|
|
/* We assume there's no FCS in this frame. */
|
|
pseudo_header->eth.fcs_len = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Given an RFC1573 (SNMP ifType) interface type,
|
|
* return the appropriate Wiretap Encapsulation Type.
|
|
*/
|
|
static int
|
|
wtap_encap_ift(unsigned int ift)
|
|
{
|
|
|
|
static const int ift_encap[] = {
|
|
/* 0x0 */ WTAP_ENCAP_UNKNOWN, /* nothing */
|
|
/* 0x1 */ WTAP_ENCAP_UNKNOWN, /* IFT_OTHER */
|
|
/* 0x2 */ WTAP_ENCAP_UNKNOWN, /* IFT_1822 */
|
|
/* 0x3 */ WTAP_ENCAP_UNKNOWN, /* IFT_HDH1822 */
|
|
/* 0x4 */ WTAP_ENCAP_RAW_IP, /* IFT_X25DDN */
|
|
/* 0x5 */ WTAP_ENCAP_UNKNOWN, /* IFT_X25 */
|
|
/* 0x6 */ WTAP_ENCAP_ETHERNET, /* IFT_ETHER */
|
|
/* 0x7 */ WTAP_ENCAP_ETHERNET, /* IFT_ISO88023 */
|
|
/* 0x8 */ WTAP_ENCAP_UNKNOWN, /* IFT_ISO88024 */
|
|
/* 0x9 */ WTAP_ENCAP_TOKEN_RING, /* IFT_ISO88025 */
|
|
/* 0xa */ WTAP_ENCAP_UNKNOWN, /* IFT_ISO88026 */
|
|
/* 0xb */ WTAP_ENCAP_UNKNOWN, /* IFT_STARLAN */
|
|
/* 0xc */ WTAP_ENCAP_RAW_IP, /* IFT_P10, IBM SP switch */
|
|
/* 0xd */ WTAP_ENCAP_UNKNOWN, /* IFT_P80 */
|
|
/* 0xe */ WTAP_ENCAP_UNKNOWN, /* IFT_HY */
|
|
/* 0xf */ WTAP_ENCAP_FDDI_BITSWAPPED, /* IFT_FDDI */
|
|
/* 0x10 */ WTAP_ENCAP_LAPB, /* IFT_LAPB */ /* no data to back this up */
|
|
/* 0x11 */ WTAP_ENCAP_UNKNOWN, /* IFT_SDLC */
|
|
/* 0x12 */ WTAP_ENCAP_UNKNOWN, /* IFT_T1 */
|
|
/* 0x13 */ WTAP_ENCAP_UNKNOWN, /* IFT_CEPT */
|
|
/* 0x14 */ WTAP_ENCAP_UNKNOWN, /* IFT_ISDNBASIC */
|
|
/* 0x15 */ WTAP_ENCAP_UNKNOWN, /* IFT_ISDNPRIMARY */
|
|
/* 0x16 */ WTAP_ENCAP_UNKNOWN, /* IFT_PTPSERIAL */
|
|
/* 0x17 */ WTAP_ENCAP_UNKNOWN, /* IFT_PPP */
|
|
/* 0x18 */ WTAP_ENCAP_RAW_IP, /* IFT_LOOP */
|
|
/* 0x19 */ WTAP_ENCAP_UNKNOWN, /* IFT_EON */
|
|
/* 0x1a */ WTAP_ENCAP_UNKNOWN, /* IFT_XETHER */
|
|
/* 0x1b */ WTAP_ENCAP_UNKNOWN, /* IFT_NSIP */
|
|
/* 0x1c */ WTAP_ENCAP_UNKNOWN, /* IFT_SLIP */
|
|
/* 0x1d */ WTAP_ENCAP_UNKNOWN, /* IFT_ULTRA */
|
|
/* 0x1e */ WTAP_ENCAP_UNKNOWN, /* IFT_DS3 */
|
|
/* 0x1f */ WTAP_ENCAP_UNKNOWN, /* IFT_SIP */
|
|
/* 0x20 */ WTAP_ENCAP_UNKNOWN, /* IFT_FRELAY */
|
|
/* 0x21 */ WTAP_ENCAP_UNKNOWN, /* IFT_RS232 */
|
|
/* 0x22 */ WTAP_ENCAP_UNKNOWN, /* IFT_PARA */
|
|
/* 0x23 */ WTAP_ENCAP_UNKNOWN, /* IFT_ARCNET */
|
|
/* 0x24 */ WTAP_ENCAP_UNKNOWN, /* IFT_ARCNETPLUS */
|
|
/* 0x25 */ WTAP_ENCAP_ATM_PDUS, /* IFT_ATM */
|
|
};
|
|
#define NUM_IFT_ENCAPS (sizeof ift_encap / sizeof ift_encap[0])
|
|
|
|
if (ift < NUM_IFT_ENCAPS) {
|
|
return ift_encap[ift];
|
|
}
|
|
else {
|
|
switch(ift) {
|
|
/* Infiniband*/
|
|
case IPTRACE_IFT_IB:
|
|
return WTAP_ENCAP_INFINIBAND;
|
|
break;
|
|
|
|
/* Host Fabric Interface */
|
|
case IPTRACE_IFT_HF:
|
|
/* The HFI interface on AIX provides raw IP
|
|
in the packet trace. It's unclear if the HFI
|
|
can be configured for any other protocol, and if
|
|
any field in the iptrace header indicates what
|
|
that protocol is. For now, we are hard-coding
|
|
this as RAW_IP, but if we find another iptrace file
|
|
using HFI that provides another protocol, we will
|
|
have to figure out which field in the iptrace file
|
|
encodes it. */
|
|
return WTAP_ENCAP_RAW_IP;
|
|
break;
|
|
|
|
default:
|
|
return WTAP_ENCAP_UNKNOWN;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|