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;
65 * Get credential information for later use.
67 init_process_policies();
70 * Attempt to get the pathname of the executable file.
72 init_progfile_dir_error = init_progfile_dir(argv[0], main);
73 if (init_progfile_dir_error != NULL) {
74 fprintf(stderr, "dftest: Can't get pathname of dftest program: %s.\n",
75 init_progfile_dir_error);
78 init_report_err(failure_message, open_failure_message,
79 read_failure_message, write_failure_message);
81 timestamp_set_type(TS_RELATIVE);
82 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
85 /* Register all the plugin types we have. */
86 epan_register_plugin_types(); /* Types known to libwireshark */
88 /* Scan for plugins. This does *not* call their registration routines;
93 /* Register all dissectors; we must do this before checking for the
94 "-g" flag, as the "-g" flag dumps a list of fields registered
95 by the dissectors, and we must do it before we read the preferences,
96 in case any dissectors register preferences. */
97 epan_init(register_all_protocols, register_all_protocol_handoffs,
100 /* set the c-language locale to the native environment. */
101 setlocale(LC_ALL, "");
103 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
104 &pf_open_errno, &pf_read_errno, &pf_path);
105 if (gpf_path != NULL) {
106 if (gpf_open_errno != 0) {
108 "can't open global preferences file \"%s\": %s.\n",
109 pf_path, g_strerror(gpf_open_errno));
111 if (gpf_read_errno != 0) {
113 "I/O error reading global preferences file \"%s\": %s.\n",
114 pf_path, g_strerror(gpf_read_errno));
117 if (pf_path != NULL) {
118 if (pf_open_errno != 0) {
120 "can't open your preferences file \"%s\": %s.\n",
121 pf_path, g_strerror(pf_open_errno));
123 if (pf_read_errno != 0) {
125 "I/O error reading your preferences file \"%s\": %s.\n",
126 pf_path, g_strerror(pf_read_errno));
130 /* notify all registered modules that have had any of their preferences
131 changed either from one of the preferences file or from the command
132 line that its preferences have changed. */
135 /* Check for filter on command line */
137 fprintf(stderr, "Usage: dftest <filter>\n");
141 /* Get filter text */
142 text = get_args_as_string(argc, argv, 1);
144 printf("Filter: \"%s\"\n", text);
147 if (!dfilter_compile(text, &df)) {
148 fprintf(stderr, "dftest: %s\n", dfilter_error_msg);
156 printf("Filter is empty\n");
166 * General errors are reported with an console message in "dftest".
169 failure_message(const char *msg_format, va_list ap)
171 fprintf(stderr, "dftest: ");
172 vfprintf(stderr, msg_format, ap);
173 fprintf(stderr, "\n");
177 * Open/create errors are reported with an console message in "dftest".
180 open_failure_message(const char *filename, int err, gboolean for_writing)
182 fprintf(stderr, "dftest: ");
183 fprintf(stderr, file_open_error_message(err, for_writing), filename);
184 fprintf(stderr, "\n");
188 * Read errors are reported with an console message in "dftest".
191 read_failure_message(const char *filename, int err)
193 fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
194 filename, g_strerror(err));
198 * Write errors are reported with an console message in "dftest".
201 write_failure_message(const char *filename, int err)
203 fprintf(stderr, "dftest: An error occurred while writing to the file \"%s\": %s.\n",
204 filename, g_strerror(err));
208 * Editor modelines - http://www.wireshark.org/tools/modelines.html
213 * indent-tabs-mode: t
216 * vi: set shiftwidth=8 tabstop=8 noexpandtab:
217 * :indentSize=8:tabSize=8:noTabs=false: