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.
36 #include <epan/epan.h>
38 #include <epan/timestamp.h>
39 #include <epan/plugins.h>
40 #include <epan/filesystem.h>
41 #include <wsutil/privileges.h>
42 #include <epan/prefs.h>
44 #include "epan/dfilter/dfilter.h"
47 static void failure_message(const char *msg_format, va_list ap);
48 static void open_failure_message(const char *filename, int err,
49 gboolean for_writing);
50 static void read_failure_message(const char *filename, int err);
51 static void write_failure_message(const char *filename, int err);
54 main(int argc, char **argv)
56 char *init_progfile_dir_error;
58 char *gpf_path, *pf_path;
59 int gpf_open_errno, gpf_read_errno;
60 int pf_open_errno, pf_read_errno;
64 * Get credential information for later use.
66 init_process_policies();
69 * Attempt to get the pathname of the executable file.
71 init_progfile_dir_error = init_progfile_dir(argv[0], main);
72 if (init_progfile_dir_error != NULL) {
73 fprintf(stderr, "dftest: Can't get pathname of dftest program: %s.\n",
74 init_progfile_dir_error);
77 timestamp_set_type(TS_RELATIVE);
78 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
80 /* Register all dissectors; we must do this before checking for the
81 "-g" flag, as the "-g" flag dumps a list of fields registered
82 by the dissectors, and we must do it before we read the preferences,
83 in case any dissectors register preferences. */
84 epan_init(register_all_protocols,
85 register_all_protocol_handoffs, NULL, NULL,
86 failure_message, open_failure_message, read_failure_message,
87 write_failure_message);
89 /* now register the preferences for any non-dissector modules.
90 we must do that before we read the preferences as well. */
91 prefs_register_modules();
93 /* set the c-language locale to the native environment. */
94 setlocale(LC_ALL, "");
96 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
97 &pf_open_errno, &pf_read_errno, &pf_path);
98 if (gpf_path != NULL) {
99 if (gpf_open_errno != 0) {
101 "can't open global preferences file \"%s\": %s.\n",
102 pf_path, g_strerror(gpf_open_errno));
104 if (gpf_read_errno != 0) {
106 "I/O error reading global preferences file \"%s\": %s.\n",
107 pf_path, g_strerror(gpf_read_errno));
110 if (pf_path != NULL) {
111 if (pf_open_errno != 0) {
113 "can't open your preferences file \"%s\": %s.\n",
114 pf_path, g_strerror(pf_open_errno));
116 if (pf_read_errno != 0) {
118 "I/O error reading your preferences file \"%s\": %s.\n",
119 pf_path, g_strerror(pf_read_errno));
123 /* notify all registered modules that have had any of their preferences
124 changed either from one of the preferences file or from the command
125 line that its preferences have changed. */
128 /* Check for filter on command line */
130 fprintf(stderr, "Usage: dftest <filter>\n");
134 /* Get filter text */
135 text = get_args_as_string(argc, argv, 1);
137 printf("Filter: \"%s\"\n", text);
140 if (!dfilter_compile(text, &df)) {
141 fprintf(stderr, "dftest: %s\n", dfilter_error_msg);
145 printf("dfilter ptr = 0x%08x\n", GPOINTER_TO_INT(df));
150 printf("Filter is empty\n");
160 * General errors are reported with an console message in "dftest".
163 failure_message(const char *msg_format, va_list ap)
165 fprintf(stderr, "dftest: ");
166 vfprintf(stderr, msg_format, ap);
167 fprintf(stderr, "\n");
171 * Open/create errors are reported with an console message in "dftest".
174 open_failure_message(const char *filename, int err, gboolean for_writing)
176 fprintf(stderr, "dftest: ");
177 fprintf(stderr, file_open_error_message(err, for_writing), filename);
178 fprintf(stderr, "\n");
182 * Read errors are reported with an console message in "dftest".
185 read_failure_message(const char *filename, int err)
187 fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
188 filename, g_strerror(err));
192 * Write errors are reported with an console message in "dftest".
195 write_failure_message(const char *filename, int err)
197 fprintf(stderr, "dftest: An error occurred while writing to the file \"%s\": %s.\n",
198 filename, g_strerror(err));