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 executable file.
73 init_progfile_dir_error = init_progfile_dir(argv[0], main);
74 if (init_progfile_dir_error != NULL) {
75 fprintf(stderr, "dftest: Can't get pathname of dftest program: %s.\n",
76 init_progfile_dir_error);
79 init_report_err(failure_message, open_failure_message,
80 read_failure_message, write_failure_message);
82 timestamp_set_type(TS_RELATIVE);
83 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
86 /* Register all the plugin types we have. */
87 epan_register_plugin_types(); /* Types known to libwireshark */
89 /* Scan for plugins. This does *not* call their registration routines;
91 scan_plugins(REPORT_LOAD_FAILURE);
94 /* Register all dissectors; we must do this before checking for the
95 "-g" flag, as the "-g" flag dumps a list of fields registered
96 by the dissectors, and we must do it before we read the preferences,
97 in case any dissectors register preferences. */
98 if (!epan_init(register_all_protocols, register_all_protocol_handoffs,
102 /* set the c-language locale to the native environment. */
103 setlocale(LC_ALL, "");
105 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
106 &pf_open_errno, &pf_read_errno, &pf_path);
107 if (gpf_path != NULL) {
108 if (gpf_open_errno != 0) {
110 "can't open global preferences file \"%s\": %s.\n",
111 pf_path, g_strerror(gpf_open_errno));
113 if (gpf_read_errno != 0) {
115 "I/O error reading global preferences file \"%s\": %s.\n",
116 pf_path, g_strerror(gpf_read_errno));
119 if (pf_path != NULL) {
120 if (pf_open_errno != 0) {
122 "can't open your preferences file \"%s\": %s.\n",
123 pf_path, g_strerror(pf_open_errno));
125 if (pf_read_errno != 0) {
127 "I/O error reading your preferences file \"%s\": %s.\n",
128 pf_path, g_strerror(pf_read_errno));
132 /* notify all registered modules that have had any of their preferences
133 changed either from one of the preferences file or from the command
134 line that its preferences have changed. */
137 /* Check for filter on command line */
139 fprintf(stderr, "Usage: dftest <filter>\n");
143 /* Get filter text */
144 text = get_args_as_string(argc, argv, 1);
146 printf("Filter: \"%s\"\n", text);
149 if (!dfilter_compile(text, &df, &err_msg)) {
150 fprintf(stderr, "dftest: %s\n", err_msg);
159 printf("Filter is empty\n");
169 * General errors are reported with an console message in "dftest".
172 failure_message(const char *msg_format, va_list ap)
174 fprintf(stderr, "dftest: ");
175 vfprintf(stderr, msg_format, ap);
176 fprintf(stderr, "\n");
180 * Open/create errors are reported with an console message in "dftest".
183 open_failure_message(const char *filename, int err, gboolean for_writing)
185 fprintf(stderr, "dftest: ");
186 fprintf(stderr, file_open_error_message(err, for_writing), filename);
187 fprintf(stderr, "\n");
191 * Read errors are reported with an console message in "dftest".
194 read_failure_message(const char *filename, int err)
196 fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
197 filename, g_strerror(err));
201 * Write errors are reported with an console message in "dftest".
204 write_failure_message(const char *filename, int err)
206 fprintf(stderr, "dftest: An error occurred while writing to the file \"%s\": %s.\n",
207 filename, g_strerror(err));
211 * Editor modelines - http://www.wireshark.org/tools/modelines.html
216 * indent-tabs-mode: t
219 * vi: set shiftwidth=8 tabstop=8 noexpandtab:
220 * :indentSize=8:tabSize=8:noTabs=false: