2001-02-01 20:21:25 +00:00
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/* dftest.c.c
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*
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2004-02-21 22:00:46 +00:00
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* $Id: dftest.c,v 1.8 2004/02/21 22:00:46 guy Exp $
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2001-02-01 20:21:25 +00:00
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*
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* Ethereal - Network traffic analyzer
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2002-01-21 07:37:49 +00:00
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* By Gerald Combs <gerald@ethereal.com>
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2001-02-01 20:21:25 +00:00
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* Copyright 1998 Gerald Combs
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*
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* Shows display filter byte-code, for debugging dfilter routines.
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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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2002-08-28 21:04:11 +00:00
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*
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2001-02-01 20:21:25 +00:00
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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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2002-08-28 21:04:11 +00:00
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*
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2001-02-01 20:21:25 +00:00
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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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <locale.h>
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#include <string.h>
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#include <errno.h>
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#ifdef NEED_STRERROR_H
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#include "strerror.h"
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#endif
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#include <glib.h>
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2002-01-21 07:37:49 +00:00
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#include <epan/epan.h>
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2001-02-01 20:21:25 +00:00
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2002-01-21 07:37:49 +00:00
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#include <epan/timestamp.h>
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#include <epan/plugins.h>
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2004-02-21 22:00:46 +00:00
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#include <epan/filesystem.h>
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2001-02-01 20:21:25 +00:00
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#include "prefs.h"
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#include "util.h"
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#include "epan/dfilter/dfilter.h"
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2001-04-02 00:38:36 +00:00
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#include "register.h"
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2001-02-01 20:21:25 +00:00
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packet_info pi;
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2004-01-19 03:46:43 +00:00
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ts_type timestamp_type = TS_RELATIVE;
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2001-02-01 20:21:25 +00:00
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int
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main(int argc, char **argv)
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{
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char *text;
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char *gpf_path, *pf_path;
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2003-08-18 18:35:21 +00:00
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int gpf_open_errno, gpf_read_errno;
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int pf_open_errno, pf_read_errno;
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2001-02-01 20:21:25 +00:00
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e_prefs *prefs;
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dfilter_t *df;
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/* register all dissectors; we must do this before checking for the
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"-g" flag, as the "-g" flag dumps a list of fields registered
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by the dissectors, and we must do it before we read the preferences,
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in case any dissectors register preferences. */
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2001-04-02 00:38:36 +00:00
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epan_init(PLUGIN_DIR,register_all_protocols,
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register_all_protocol_handoffs);
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2001-02-01 20:21:25 +00:00
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/* now register the preferences for any non-dissector modules.
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we must do that before we read the preferences as well. */
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prefs_register_modules();
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/* set the c-language locale to the native environment. */
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setlocale(LC_ALL, "");
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2003-08-18 18:35:21 +00:00
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prefs = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
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&pf_open_errno, &pf_read_errno, &pf_path);
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2001-02-01 20:21:25 +00:00
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if (gpf_path != NULL) {
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2003-08-18 18:35:21 +00:00
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if (gpf_open_errno != 0) {
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fprintf(stderr,
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"can't open global preferences file \"%s\": %s.\n",
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pf_path, strerror(gpf_open_errno));
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}
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if (gpf_read_errno != 0) {
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fprintf(stderr,
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"I/O error reading global preferences file \"%s\": %s.\n",
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pf_path, strerror(gpf_read_errno));
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}
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2001-02-01 20:21:25 +00:00
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}
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if (pf_path != NULL) {
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2003-08-18 18:35:21 +00:00
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if (pf_open_errno != 0) {
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fprintf(stderr,
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"can't open your preferences file \"%s\": %s.\n",
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pf_path, strerror(pf_open_errno));
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}
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if (pf_read_errno != 0) {
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fprintf(stderr,
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"I/O error reading your preferences file \"%s\": %s.\n",
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pf_path, strerror(pf_read_errno));
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}
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2001-02-01 20:21:25 +00:00
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}
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/* notify all registered modules that have had any of their preferences
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changed either from one of the preferences file or from the command
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line that its preferences have changed. */
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prefs_apply_all();
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/* Check for filter on command line */
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if (argc <= 1) {
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fprintf(stderr, "Usage: dftest filter\n");
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exit(1);
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}
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/* Get filter text */
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text = get_args_as_string(argc, argv, 1);
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printf("Filter: \"%s\"\n", text);
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2002-08-28 21:04:11 +00:00
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2001-02-01 20:21:25 +00:00
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/* Compile it */
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if (!dfilter_compile(text, &df)) {
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fprintf(stderr, "dftest: %s\n", dfilter_error_msg);
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epan_cleanup();
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exit(2);
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}
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printf("dfilter ptr = 0x%08x\n", (unsigned int) df);
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printf("\n\n");
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dfilter_dump(df);
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epan_cleanup();
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exit(0);
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}
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2004-02-21 22:00:46 +00:00
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/*
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* Open/create errors are reported with an console message in "dftest".
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*/
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void
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report_open_failure(const char *filename, int err, gboolean for_writing)
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{
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char *errmsg;
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errmsg = g_strdup_printf(file_open_error_message(err, for_writing), filename);
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fprintf(stderr, "dftest: %s\n", errmsg);
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g_free(errmsg);
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}
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/*
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* Read errors are reported with an console message in "dftest".
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*/
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void
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report_read_failure(const char *filename, int err)
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{
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fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.",
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filename, strerror(err));
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}
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