8f1fff2e6a
into epan/ftypes. Re-write display filter routines using Lemon parser instead of yacc. Besides using a different tool, the new grammar is much simpler, while the display filter engine itself is more powerful and more easily extended. Add dftest executable, to test display filter "bytecode" generation. Add option to "configure" to build dftest or randpkt, both of which are not built by default. Implement Ed Warnicke's ideas about dranges in the new display filter and ftype code. Remove type FT_TEXT_ONLY in favor of FT_NONE, and have protocols registered as FT_PROTOCOL. Thus, FT_NONE is used only for simple labels in the proto tree, while FT_PROTOCOL is used for protocols. This was necessary for being able to make byte slices (ranges) out of protocols, like "frame[0:3]" Win32 Makefile.nmake's will be added tonight. svn path=/trunk/; revision=2967
151 lines
3.5 KiB
C
151 lines
3.5 KiB
C
/* dftest.c.c
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*
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* $Id: dftest.c,v 1.1 2001/02/01 20:21:13 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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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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*
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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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#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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#if 0
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#include <signal.h>
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#ifdef NEED_SNPRINTF_H
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# include "snprintf.h"
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#endif
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#endif
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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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#include <epan.h>
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#if 0
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#include "globals.h"
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#include "packet.h"
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#include "file.h"
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#include "column.h"
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#include "print.h"
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#include "resolv.h"
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#include "conversation.h"
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#endif
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#include "timestamp.h"
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#include "plugins.h"
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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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packet_info pi;
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ts_type timestamp_type = RELATIVE;
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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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int gpf_open_errno, pf_open_errno;
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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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epan_init(PLUGIN_DIR);
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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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prefs = read_prefs(&gpf_open_errno, &gpf_path, &pf_open_errno, &pf_path);
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if (gpf_path != NULL) {
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fprintf(stderr, "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 (pf_path != NULL) {
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fprintf(stderr, "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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/* 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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/* 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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