2 * Shows display filter byte-code, for debugging dfilter routines.
4 * Wireshark - Network traffic analyzer
5 * By Gerald Combs <gerald@wireshark.org>
6 * Copyright 1998 Gerald Combs
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
33 #include <epan/epan.h>
34 #include <epan/timestamp.h>
35 #include <epan/prefs.h>
36 #include <epan/dfilter/dfilter.h>
39 #include <wsutil/plugins.h>
41 #include <wsutil/filesystem.h>
42 #include <wsutil/privileges.h>
43 #include <wsutil/report_err.h>
48 static void failure_message(const char *msg_format, va_list ap);
49 static void open_failure_message(const char *filename, int err,
50 gboolean for_writing);
51 static void read_failure_message(const char *filename, int err);
52 static void write_failure_message(const char *filename, int err);
55 main(int argc, char **argv)
57 char *init_progfile_dir_error;
59 char *gpf_path, *pf_path;
60 int gpf_open_errno, gpf_read_errno;
61 int pf_open_errno, pf_read_errno;
66 * Get credential information for later use.
68 init_process_policies();
71 * Attempt to get the pathname of the directory containing the
74 init_progfile_dir_error = init_progfile_dir(argv[0], main);
75 if (init_progfile_dir_error != NULL) {
76 fprintf(stderr, "dftest: Can't get pathname of directory containing the dftest program: %s.\n",
77 init_progfile_dir_error);
78 g_free(init_progfile_dir_error);
81 init_report_err(failure_message, open_failure_message,
82 read_failure_message, write_failure_message);
84 timestamp_set_type(TS_RELATIVE);
85 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
88 /* Register all the plugin types we have. */
89 epan_register_plugin_types(); /* Types known to libwireshark */
91 /* Scan for plugins. This does *not* call their registration routines;
93 scan_plugins(REPORT_LOAD_FAILURE);
96 /* Register all dissectors; we must do this before checking for the
97 "-g" flag, as the "-g" flag dumps a list of fields registered
98 by the dissectors, and we must do it before we read the preferences,
99 in case any dissectors register preferences. */
100 if (!epan_init(register_all_protocols, register_all_protocol_handoffs,
104 /* set the c-language locale to the native environment. */
105 setlocale(LC_ALL, "");
107 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
108 &pf_open_errno, &pf_read_errno, &pf_path);
109 if (gpf_path != NULL) {
110 if (gpf_open_errno != 0) {
112 "can't open global preferences file \"%s\": %s.\n",
113 pf_path, g_strerror(gpf_open_errno));
115 if (gpf_read_errno != 0) {
117 "I/O error reading global preferences file \"%s\": %s.\n",
118 pf_path, g_strerror(gpf_read_errno));
121 if (pf_path != NULL) {
122 if (pf_open_errno != 0) {
124 "can't open your preferences file \"%s\": %s.\n",
125 pf_path, g_strerror(pf_open_errno));
127 if (pf_read_errno != 0) {
129 "I/O error reading your preferences file \"%s\": %s.\n",
130 pf_path, g_strerror(pf_read_errno));
134 /* notify all registered modules that have had any of their preferences
135 changed either from one of the preferences file or from the command
136 line that its preferences have changed. */
139 /* Check for filter on command line */
141 fprintf(stderr, "Usage: dftest <filter>\n");
145 /* Get filter text */
146 text = get_args_as_string(argc, argv, 1);
148 printf("Filter: \"%s\"\n", text);
151 if (!dfilter_compile(text, &df, &err_msg)) {
152 fprintf(stderr, "dftest: %s\n", err_msg);
161 printf("Filter is empty\n");
171 * General errors are reported with an console message in "dftest".
174 failure_message(const char *msg_format, va_list ap)
176 fprintf(stderr, "dftest: ");
177 vfprintf(stderr, msg_format, ap);
178 fprintf(stderr, "\n");
182 * Open/create errors are reported with an console message in "dftest".
185 open_failure_message(const char *filename, int err, gboolean for_writing)
187 fprintf(stderr, "dftest: ");
188 fprintf(stderr, file_open_error_message(err, for_writing), filename);
189 fprintf(stderr, "\n");
193 * Read errors are reported with an console message in "dftest".
196 read_failure_message(const char *filename, int err)
198 fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
199 filename, g_strerror(err));
203 * Write errors are reported with an console message in "dftest".
206 write_failure_message(const char *filename, int err)
208 fprintf(stderr, "dftest: An error occurred while writing to the file \"%s\": %s.\n",
209 filename, g_strerror(err));
213 * Editor modelines - http://www.wireshark.org/tools/modelines.html
218 * indent-tabs-mode: t
221 * vi: set shiftwidth=8 tabstop=8 noexpandtab:
222 * :indentSize=8:tabSize=8:noTabs=false: