forked from osmocom/wireshark
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/* file.c
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*
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* $Id: file.c,v 1.7 1999/01/21 05:03:56 gram Exp $
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*
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* Wiretap Library
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* Copyright (c) 1998 by Gilbert Ramirez <gram@verdict.uthscsa.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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "wtap.h"
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#include "lanalyzer.h"
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#include "ngsniffer.h"
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#include "libpcap.h"
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#include "snoop.h"
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#include "iptrace.h"
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#include "netmon.h"
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/* The open_file_* routines should return the WTAP_FILE_* type
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* that they are checking for if the file is successfully recognized
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* as such. If the file is not of that type, the routine should return
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* WTAP_FILE_UNKNOWN */
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/* Opens a file and prepares a wtap struct */
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wtap* wtap_open_offline(char *filename)
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{
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wtap *wth;
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wth = (wtap*)malloc(sizeof(wtap));
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/* Open the file */
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if (!(wth->fh = fopen(filename, "rb"))) {
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return NULL;
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}
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/* Try all my file types */
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/* WTAP_FILE_PCAP */
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if ((wth->file_type = libpcap_open(wth)) != WTAP_FILE_UNKNOWN) {
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goto success;
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}
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/* WTAP_FILE_NGSNIFFER */
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if ((wth->file_type = ngsniffer_open(wth)) != WTAP_FILE_UNKNOWN) {
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goto success;
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}
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/* WTAP_FILE_LANALYZER */
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if ((wth->file_type = lanalyzer_open(wth)) != WTAP_FILE_UNKNOWN) {
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goto success;
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}
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/* WTAP_FILE_SNOOP */
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if ((wth->file_type = snoop_open(wth)) != WTAP_FILE_UNKNOWN) {
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goto success;
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}
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/* WTAP_FILE_IPTRACE */
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if ((wth->file_type = iptrace_open(wth)) != WTAP_FILE_UNKNOWN) {
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goto success;
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}
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/* WTAP_FILE_NETMON */
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if ((wth->file_type = netmon_open(wth)) != WTAP_FILE_UNKNOWN) {
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goto success;
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}
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/* failure: */
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fclose(wth->fh);
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free(wth);
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wth = NULL;
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return wth;
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success:
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buffer_init(&wth->frame_buffer, 1500);
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wth->frame_number = 0;
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wth->file_byte_offset = 0;
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return wth;
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}
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