2 * Shows display filter byte-code, for debugging dfilter routines.
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
35 #ifdef NEED_STRERROR_H
36 #include "wsutil/strerror.h"
40 #include <epan/epan.h>
42 #include <epan/timestamp.h>
43 #include <epan/plugins.h>
44 #include <epan/filesystem.h>
45 #include <wsutil/privileges.h>
46 #include <epan/prefs.h>
48 #include "epan/dfilter/dfilter.h"
51 static void failure_message(const char *msg_format, va_list ap);
52 static void open_failure_message(const char *filename, int err,
53 gboolean for_writing);
54 static void read_failure_message(const char *filename, int err);
55 static void write_failure_message(const char *filename, int err);
58 main(int argc, char **argv)
60 char *init_progfile_dir_error;
62 char *gpf_path, *pf_path;
63 int gpf_open_errno, gpf_read_errno;
64 int pf_open_errno, pf_read_errno;
68 * Get credential information for later use.
70 init_process_policies();
73 * Attempt to get the pathname of the executable file.
75 init_progfile_dir_error = init_progfile_dir(argv[0], main);
76 if (init_progfile_dir_error != NULL) {
77 fprintf(stderr, "dftest: Can't get pathname of dftest program: %s.\n",
78 init_progfile_dir_error);
81 timestamp_set_type(TS_RELATIVE);
82 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
84 /* Register all dissectors; we must do this before checking for the
85 "-g" flag, as the "-g" flag dumps a list of fields registered
86 by the dissectors, and we must do it before we read the preferences,
87 in case any dissectors register preferences. */
88 epan_init(register_all_protocols,
89 register_all_protocol_handoffs, NULL, NULL,
90 failure_message, open_failure_message, read_failure_message,
91 write_failure_message);
93 /* now register the preferences for any non-dissector modules.
94 we must do that before we read the preferences as well. */
95 prefs_register_modules();
97 /* set the c-language locale to the native environment. */
98 setlocale(LC_ALL, "");
100 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
101 &pf_open_errno, &pf_read_errno, &pf_path);
102 if (gpf_path != NULL) {
103 if (gpf_open_errno != 0) {
105 "can't open global preferences file \"%s\": %s.\n",
106 pf_path, strerror(gpf_open_errno));
108 if (gpf_read_errno != 0) {
110 "I/O error reading global preferences file \"%s\": %s.\n",
111 pf_path, strerror(gpf_read_errno));
114 if (pf_path != NULL) {
115 if (pf_open_errno != 0) {
117 "can't open your preferences file \"%s\": %s.\n",
118 pf_path, strerror(pf_open_errno));
120 if (pf_read_errno != 0) {
122 "I/O error reading your preferences file \"%s\": %s.\n",
123 pf_path, strerror(pf_read_errno));
127 /* notify all registered modules that have had any of their preferences
128 changed either from one of the preferences file or from the command
129 line that its preferences have changed. */
132 /* Check for filter on command line */
134 fprintf(stderr, "Usage: dftest <filter>\n");
138 /* Get filter text */
139 text = get_args_as_string(argc, argv, 1);
141 printf("Filter: \"%s\"\n", text);
144 if (!dfilter_compile(text, &df)) {
145 fprintf(stderr, "dftest: %s\n", dfilter_error_msg);
149 printf("dfilter ptr = 0x%08x\n", GPOINTER_TO_INT(df));
154 printf("Filter is empty\n");
164 * General errors are reported with an console message in "dftest".
167 failure_message(const char *msg_format, va_list ap)
169 fprintf(stderr, "dftest: ");
170 vfprintf(stderr, msg_format, ap);
171 fprintf(stderr, "\n");
175 * Open/create errors are reported with an console message in "dftest".
178 open_failure_message(const char *filename, int err, gboolean for_writing)
180 fprintf(stderr, "dftest: ");
181 fprintf(stderr, file_open_error_message(err, for_writing), filename);
182 fprintf(stderr, "\n");
186 * Read errors are reported with an console message in "dftest".
189 read_failure_message(const char *filename, int err)
191 fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
192 filename, strerror(err));
196 * Write errors are reported with an console message in "dftest".
199 write_failure_message(const char *filename, int err)
201 fprintf(stderr, "dftest: An error occurred while writing to the file \"%s\": %s.\n",
202 filename, strerror(err));