nexmon – Rev 1
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/* dftest.c
* Shows display filter byte-code, for debugging dfilter routines.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <locale.h>
#include <string.h>
#include <errno.h>
#include <glib.h>
#include <epan/epan.h>
#include <epan/timestamp.h>
#include <epan/prefs.h>
#include <epan/dfilter/dfilter.h>
#ifdef HAVE_PLUGINS
#include <wsutil/plugins.h>
#endif
#include <wsutil/filesystem.h>
#include <wsutil/privileges.h>
#include <wsutil/report_err.h>
#include "ui/util.h"
#include "register.h"
static void failure_message(const char *msg_format, va_list ap);
static void open_failure_message(const char *filename, int err,
gboolean for_writing);
static void read_failure_message(const char *filename, int err);
static void write_failure_message(const char *filename, int err);
int
main(int argc, char **argv)
{
char *init_progfile_dir_error;
char *text;
char *gpf_path, *pf_path;
int gpf_open_errno, gpf_read_errno;
int pf_open_errno, pf_read_errno;
dfilter_t *df;
gchar *err_msg;
/*
* Get credential information for later use.
*/
init_process_policies();
/*
* Attempt to get the pathname of the executable file.
*/
init_progfile_dir_error = init_progfile_dir(argv[0], main);
if (init_progfile_dir_error != NULL) {
fprintf(stderr, "dftest: Can't get pathname of dftest program: %s.\n",
init_progfile_dir_error);
}
init_report_err(failure_message, open_failure_message,
read_failure_message, write_failure_message);
timestamp_set_type(TS_RELATIVE);
timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
#ifdef HAVE_PLUGINS
/* Register all the plugin types we have. */
epan_register_plugin_types(); /* Types known to libwireshark */
/* Scan for plugins. This does *not* call their registration routines;
that's done later. */
scan_plugins();
#endif
/* Register all dissectors; we must do this before checking for the
"-g" flag, as the "-g" flag dumps a list of fields registered
by the dissectors, and we must do it before we read the preferences,
in case any dissectors register preferences. */
if (!epan_init(register_all_protocols, register_all_protocol_handoffs,
NULL, NULL))
return 2;
/* set the c-language locale to the native environment. */
setlocale(LC_ALL, "");
read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
&pf_open_errno, &pf_read_errno, &pf_path);
if (gpf_path != NULL) {
if (gpf_open_errno != 0) {
fprintf(stderr,
"can't open global preferences file \"%s\": %s.\n",
pf_path, g_strerror(gpf_open_errno));
}
if (gpf_read_errno != 0) {
fprintf(stderr,
"I/O error reading global preferences file \"%s\": %s.\n",
pf_path, g_strerror(gpf_read_errno));
}
}
if (pf_path != NULL) {
if (pf_open_errno != 0) {
fprintf(stderr,
"can't open your preferences file \"%s\": %s.\n",
pf_path, g_strerror(pf_open_errno));
}
if (pf_read_errno != 0) {
fprintf(stderr,
"I/O error reading your preferences file \"%s\": %s.\n",
pf_path, g_strerror(pf_read_errno));
}
}
/* notify all registered modules that have had any of their preferences
changed either from one of the preferences file or from the command
line that its preferences have changed. */
prefs_apply_all();
/* Check for filter on command line */
if (argc <= 1) {
fprintf(stderr, "Usage: dftest <filter>\n");
exit(1);
}
/* Get filter text */
text = get_args_as_string(argc, argv, 1);
printf("Filter: \"%s\"\n", text);
/* Compile it */
if (!dfilter_compile(text, &df, &err_msg)) {
fprintf(stderr, "dftest: %s\n", err_msg);
g_free(err_msg);
epan_cleanup();
exit(2);
}
printf("\n");
if (df == NULL)
printf("Filter is empty\n");
else
dfilter_dump(df);
dfilter_free(df);
epan_cleanup();
exit(0);
}
/*
* General errors are reported with an console message in "dftest".
*/
static void
failure_message(const char *msg_format, va_list ap)
{
fprintf(stderr, "dftest: ");
vfprintf(stderr, msg_format, ap);
fprintf(stderr, "\n");
}
/*
* Open/create errors are reported with an console message in "dftest".
*/
static void
open_failure_message(const char *filename, int err, gboolean for_writing)
{
fprintf(stderr, "dftest: ");
fprintf(stderr, file_open_error_message(err, for_writing), filename);
fprintf(stderr, "\n");
}
/*
* Read errors are reported with an console message in "dftest".
*/
static void
read_failure_message(const char *filename, int err)
{
fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
filename, g_strerror(err));
}
/*
* Write errors are reported with an console message in "dftest".
*/
static void
write_failure_message(const char *filename, int err)
{
fprintf(stderr, "dftest: An error occurred while writing to the file \"%s\": %s.\n",
filename, g_strerror(err));
}
/*
* 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:
*/