forked from osmocom/wireshark
183 lines
4.1 KiB
C
183 lines
4.1 KiB
C
/* 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
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#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_message.h>
|
|
|
|
#include <wiretap/wtap.h>
|
|
|
|
#include "ui/util.h"
|
|
#include "ui/cmdarg_err.h"
|
|
#include "ui/failure_message.h"
|
|
|
|
static void dftest_cmdarg_err(const char *fmt, va_list ap);
|
|
static void dftest_cmdarg_err_cont(const char *fmt, va_list ap);
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
char *init_progfile_dir_error;
|
|
static const struct report_message_routines dftest_report_routines = {
|
|
failure_message,
|
|
failure_message,
|
|
open_failure_message,
|
|
read_failure_message,
|
|
write_failure_message,
|
|
cfile_open_failure_message,
|
|
cfile_dump_open_failure_message,
|
|
cfile_read_failure_message,
|
|
cfile_write_failure_message,
|
|
cfile_close_failure_message
|
|
};
|
|
char *text;
|
|
dfilter_t *df;
|
|
gchar *err_msg;
|
|
|
|
cmdarg_err_init(dftest_cmdarg_err, dftest_cmdarg_err_cont);
|
|
|
|
/*
|
|
* Get credential information for later use.
|
|
*/
|
|
init_process_policies();
|
|
|
|
/*
|
|
* Attempt to get the pathname of the directory containing the
|
|
* executable file.
|
|
*/
|
|
init_progfile_dir_error = init_progfile_dir(argv[0]);
|
|
if (init_progfile_dir_error != NULL) {
|
|
fprintf(stderr, "dftest: Can't get pathname of directory containing the dftest program: %s.\n",
|
|
init_progfile_dir_error);
|
|
g_free(init_progfile_dir_error);
|
|
}
|
|
|
|
init_report_message("dftest", &dftest_report_routines);
|
|
|
|
timestamp_set_type(TS_RELATIVE);
|
|
timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
|
|
|
|
/*
|
|
* Libwiretap must be initialized before libwireshark is, so that
|
|
* dissection-time handlers for file-type-dependent blocks can
|
|
* register using the file type/subtype value for the file type.
|
|
*/
|
|
wtap_init(TRUE);
|
|
|
|
/* 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(NULL, NULL, FALSE))
|
|
return 2;
|
|
|
|
/*
|
|
* Set the C-language locale to the native environment and set the
|
|
* code page to UTF-8 on Windows.
|
|
*/
|
|
#ifdef _WIN32
|
|
setlocale(LC_ALL, ".UTF-8");
|
|
#else
|
|
setlocale(LC_ALL, "");
|
|
#endif
|
|
|
|
/* Load libwireshark settings from the current profile. */
|
|
epan_load_settings();
|
|
|
|
/* 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();
|
|
g_free(text);
|
|
exit(2);
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
if (df == NULL)
|
|
printf("Filter is empty\n");
|
|
else
|
|
dfilter_dump(df);
|
|
|
|
dfilter_free(df);
|
|
epan_cleanup();
|
|
g_free(text);
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* Report an error in command-line arguments.
|
|
*/
|
|
static void
|
|
dftest_cmdarg_err(const char *fmt, va_list ap)
|
|
{
|
|
fprintf(stderr, "dftest: ");
|
|
vfprintf(stderr, fmt, ap);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
/*
|
|
* Report additional information for an error in command-line arguments.
|
|
*/
|
|
static void
|
|
dftest_cmdarg_err_cont(const char *fmt, va_list ap)
|
|
{
|
|
vfprintf(stderr, fmt, ap);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://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:
|
|
*/
|