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
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"
53 static void failure_message(const char *msg_format, va_list ap);
54 static void open_failure_message(const char *filename, int err,
55 gboolean for_writing);
56 static void read_failure_message(const char *filename, int err);
57 static void write_failure_message(const char *filename, int err);
60 main(int argc, char **argv)
62 char *init_progfile_dir_error;
64 char *gpf_path, *pf_path;
65 int gpf_open_errno, gpf_read_errno;
66 int pf_open_errno, pf_read_errno;
71 * Get credential information for later use.
73 get_credential_info();
76 * Attempt to get the pathname of the executable file.
78 init_progfile_dir_error = init_progfile_dir(argv[0], main);
79 if (init_progfile_dir_error != NULL) {
80 fprintf(stderr, "dftest: Can't get pathname of dftest program: %s.\n",
81 init_progfile_dir_error);
84 timestamp_set_type(TS_RELATIVE);
86 /* Register all dissectors; we must do this before checking for the
87 "-g" flag, as the "-g" flag dumps a list of fields registered
88 by the dissectors, and we must do it before we read the preferences,
89 in case any dissectors register preferences. */
90 epan_init(register_all_protocols,
91 register_all_protocol_handoffs, NULL, NULL,
92 failure_message, open_failure_message, read_failure_message,
93 write_failure_message);
95 /* now register the preferences for any non-dissector modules.
96 we must do that before we read the preferences as well. */
97 prefs_register_modules();
99 /* set the c-language locale to the native environment. */
100 setlocale(LC_ALL, "");
102 prefs = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
103 &pf_open_errno, &pf_read_errno, &pf_path);
104 if (gpf_path != NULL) {
105 if (gpf_open_errno != 0) {
107 "can't open global preferences file \"%s\": %s.\n",
108 pf_path, strerror(gpf_open_errno));
110 if (gpf_read_errno != 0) {
112 "I/O error reading global preferences file \"%s\": %s.\n",
113 pf_path, strerror(gpf_read_errno));
116 if (pf_path != NULL) {
117 if (pf_open_errno != 0) {
119 "can't open your preferences file \"%s\": %s.\n",
120 pf_path, strerror(pf_open_errno));
122 if (pf_read_errno != 0) {
124 "I/O error reading your preferences file \"%s\": %s.\n",
125 pf_path, strerror(pf_read_errno));
129 /* notify all registered modules that have had any of their preferences
130 changed either from one of the preferences file or from the command
131 line that its preferences have changed. */
134 /* Check for filter on command line */
136 fprintf(stderr, "Usage: dftest <filter>\n");
140 /* Get filter text */
141 text = get_args_as_string(argc, argv, 1);
143 printf("Filter: \"%s\"\n", text);
146 if (!dfilter_compile(text, &df)) {
147 fprintf(stderr, "dftest: %s\n", dfilter_error_msg);
151 printf("dfilter ptr = 0x%08x\n", GPOINTER_TO_INT(df));
156 printf("Filter is empty\n");
165 * General errors are reported with an console message in "dftest".
168 failure_message(const char *msg_format, va_list ap)
170 fprintf(stderr, "dftest: ");
171 vfprintf(stderr, msg_format, ap);
172 fprintf(stderr, "\n");
176 * Open/create errors are reported with an console message in "dftest".
179 open_failure_message(const char *filename, int err, gboolean for_writing)
181 fprintf(stderr, "dftest: ");
182 fprintf(stderr, file_open_error_message(err, for_writing), filename);
183 fprintf(stderr, "\n");
187 * Read errors are reported with an console message in "dftest".
190 read_failure_message(const char *filename, int err)
192 fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
193 filename, strerror(err));
197 * Write errors are reported with an console message in "dftest".
200 write_failure_message(const char *filename, int err)
202 fprintf(stderr, "dftest: An error occurred while writing to the file \"%s\": %s.\n",
203 filename, strerror(err));