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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
35 #include <epan/epan.h>
36 #include <epan/timestamp.h>
37 #include <epan/prefs.h>
38 #include <epan/dfilter/dfilter.h>
40 #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);
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, register_all_protocol_handoffs,
91 /* set the c-language locale to the native environment. */
92 setlocale(LC_ALL, "");
94 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
95 &pf_open_errno, &pf_read_errno, &pf_path);
96 if (gpf_path != NULL) {
97 if (gpf_open_errno != 0) {
99 "can't open global preferences file \"%s\": %s.\n",
100 pf_path, g_strerror(gpf_open_errno));
102 if (gpf_read_errno != 0) {
104 "I/O error reading global preferences file \"%s\": %s.\n",
105 pf_path, g_strerror(gpf_read_errno));
108 if (pf_path != NULL) {
109 if (pf_open_errno != 0) {
111 "can't open your preferences file \"%s\": %s.\n",
112 pf_path, g_strerror(pf_open_errno));
114 if (pf_read_errno != 0) {
116 "I/O error reading your preferences file \"%s\": %s.\n",
117 pf_path, g_strerror(pf_read_errno));
121 /* notify all registered modules that have had any of their preferences
122 changed either from one of the preferences file or from the command
123 line that its preferences have changed. */
126 /* Check for filter on command line */
128 fprintf(stderr, "Usage: dftest <filter>\n");
132 /* Get filter text */
133 text = get_args_as_string(argc, argv, 1);
135 printf("Filter: \"%s\"\n", text);
138 if (!dfilter_compile(text, &df)) {
139 fprintf(stderr, "dftest: %s\n", dfilter_error_msg);
147 printf("Filter is empty\n");
157 * General errors are reported with an console message in "dftest".
160 failure_message(const char *msg_format, va_list ap)
162 fprintf(stderr, "dftest: ");
163 vfprintf(stderr, msg_format, ap);
164 fprintf(stderr, "\n");
168 * Open/create errors are reported with an console message in "dftest".
171 open_failure_message(const char *filename, int err, gboolean for_writing)
173 fprintf(stderr, "dftest: ");
174 fprintf(stderr, file_open_error_message(err, for_writing), filename);
175 fprintf(stderr, "\n");
179 * Read errors are reported with an console message in "dftest".
182 read_failure_message(const char *filename, int err)
184 fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
185 filename, g_strerror(err));
189 * Write errors are reported with an console message in "dftest".
192 write_failure_message(const char *filename, int err)
194 fprintf(stderr, "dftest: An error occurred while writing to the file \"%s\": %s.\n",
195 filename, g_strerror(err));