3 * Text-mode variant of Fileshark, based off of TShark,
5 * Wireshark - Network traffic analyzer
6 * By Gerald Combs <gerald@wireshark.org>
7 * Copyright 1998 Gerald Combs
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
49 #ifdef HAVE_SYS_STAT_H
50 # include <sys/stat.h>
54 #include <zlib.h> /* to get the libz version number */
58 #include "wsutil/wsgetopt.h"
63 #include <epan/exceptions.h>
64 #include <epan/epan-int.h>
65 #include <epan/epan.h>
67 #include <wsutil/clopts_common.h>
68 #include <wsutil/cmdarg_err.h>
69 #include <wsutil/crash_info.h>
70 #include <wsutil/privileges.h>
71 #include <wsutil/file_util.h>
72 #include <wsutil/filesystem.h>
73 #include <wsutil/report_err.h>
74 #include <wsutil/copyright_info.h>
75 #include <wsutil/ws_version_info.h>
78 #include <epan/timestamp.h>
79 #include <epan/packet.h>
81 #include <epan/wslua/init_wslua.h>
84 #include "frame_tvbuff.h"
85 #include <epan/disabled_protos.h>
86 #include <epan/prefs.h>
87 #include <epan/column.h>
88 #include <epan/print.h>
89 #include <epan/addr_resolv.h>
91 #include "version_info.h"
93 #include <epan/epan_dissect.h>
95 #include <epan/stat_cmd_args.h>
96 #include <epan/timestamp.h>
97 #include <epan/ex-opt.h>
98 #include <filetap/ftap.h>
99 #include <wiretap/wtap-int.h>
100 #include <wiretap/file_wrappers.h>
103 #include <wsutil/unicode-utils.h>
107 #include <epan/funnel.h>
110 #include <wsutil/plugins.h>
114 * This is the template for the decode as option; it is shared between the
115 * various functions that output the usage for this parameter.
117 static const gchar decode_as_arg_template[] = "<layer_type>==<selector>,<decode_as_protocol>";
119 static guint32 cum_bytes;
120 static const frame_data *ref;
121 static frame_data ref_frame;
122 static frame_data *prev_dis;
123 static frame_data prev_dis_frame;
124 static frame_data *prev_cap;
125 static frame_data prev_cap_frame;
127 static const char* prev_display_dissector_name = NULL;
129 static gboolean perform_two_pass_analysis;
132 * The way the packet decode is to be written.
135 WRITE_TEXT, /* summary or detail text */
136 WRITE_XML, /* PDML or PSML */
137 WRITE_FIELDS /* User defined list of fields */
138 /* Add CSV and the like here */
141 static output_action_e output_action;
142 static gboolean do_dissection; /* TRUE if we have to dissect each packet */
143 static gboolean print_packet_info; /* TRUE if we're to print packet information */
144 static gint print_summary = -1; /* TRUE if we're to print packet summary information */
145 static gboolean print_details; /* TRUE if we're to print packet details information */
146 static gboolean print_hex; /* TRUE if we're to print hex/ascci information */
147 static gboolean line_buffered;
148 static gboolean really_quiet = FALSE;
150 static print_format_e print_format = PR_FMT_TEXT;
151 static print_stream_t *print_stream;
153 static output_fields_t* output_fields = NULL;
155 /* The line separator used between packets, changeable via the -S option */
156 static const char *separator = "";
158 static int load_cap_file(capture_file *, int, gint64);
159 static gboolean process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
160 struct wtap_pkthdr *whdr, const guchar *pd, guint tap_flags);
161 static void show_print_file_io_error(int err);
162 static gboolean write_preamble(capture_file *cf);
163 static gboolean print_packet(capture_file *cf, epan_dissect_t *edt);
164 static gboolean write_finale(void);
165 static const char *cf_open_error_message(int err, gchar *err_info,
166 gboolean for_writing, int file_type);
168 static void open_failure_message(const char *filename, int err,
169 gboolean for_writing);
170 static void failure_message(const char *msg_format, va_list ap);
171 static void read_failure_message(const char *filename, int err);
172 static void write_failure_message(const char *filename, int err);
173 static void failure_message_cont(const char *msg_format, va_list ap);
179 const char *sstr; /* The short string */
180 const char *lstr; /* The long string */
184 string_compare(gconstpointer a, gconstpointer b)
186 return strcmp(((const struct string_elem *)a)->sstr,
187 ((const struct string_elem *)b)->sstr);
191 string_elem_print(gpointer data, gpointer not_used _U_)
193 fprintf(stderr, " %s - %s\n",
194 ((struct string_elem *)data)->sstr,
195 ((struct string_elem *)data)->lstr);
200 print_usage(FILE *output)
202 fprintf(output, "\n");
203 fprintf(output, "Usage: tfshark [options] ...\n");
204 fprintf(output, "\n");
206 /*fprintf(output, "\n");*/
207 fprintf(output, "Input file:\n");
208 fprintf(output, " -r <infile> set the filename to read from (no pipes or stdin!)\n");
210 fprintf(output, "\n");
211 fprintf(output, "Processing:\n");
212 fprintf(output, " -2 perform a two-pass analysis\n");
213 fprintf(output, " -R <read filter> packet Read filter in Wireshark display filter syntax\n");
214 fprintf(output, " -Y <display filter> packet displaY filter in Wireshark display filter\n");
215 fprintf(output, " syntax\n");
216 fprintf(output, " -d %s ...\n", decode_as_arg_template);
217 fprintf(output, " \"Decode As\", see the man page for details\n");
218 fprintf(output, " Example: tcp.port==8888,http\n");
220 /*fprintf(output, "\n");*/
221 fprintf(output, "Output:\n");
222 fprintf(output, " -C <config profile> start with specified configuration profile\n");
223 fprintf(output, " -V add output of packet tree (Packet Details)\n");
224 fprintf(output, " -O <protocols> Only show packet details of these protocols, comma\n");
225 fprintf(output, " separated\n");
226 fprintf(output, " -S <separator> the line separator to print between packets\n");
227 fprintf(output, " -x add output of hex and ASCII dump (Packet Bytes)\n");
228 fprintf(output, " -T pdml|ps|psml|text|fields\n");
229 fprintf(output, " format of text output (def: text)\n");
230 fprintf(output, " -e <field> field to print if -Tfields selected (e.g. tcp.port,\n");
231 fprintf(output, " _ws.col.Info)\n");
232 fprintf(output, " this option can be repeated to print multiple fields\n");
233 fprintf(output, " -E<fieldsoption>=<value> set options for output when -Tfields selected:\n");
234 fprintf(output, " header=y|n switch headers on and off\n");
235 fprintf(output, " separator=/t|/s|<char> select tab, space, printable character as separator\n");
236 fprintf(output, " occurrence=f|l|a print first, last or all occurrences of each field\n");
237 fprintf(output, " aggregator=,|/s|<char> select comma, space, printable character as\n");
238 fprintf(output, " aggregator\n");
239 fprintf(output, " quote=d|s|n select double, single, no quotes for values\n");
240 fprintf(output, " -t a|ad|d|dd|e|r|u|ud output format of time stamps (def: r: rel. to first)\n");
241 fprintf(output, " -u s|hms output format of seconds (def: s: seconds)\n");
242 fprintf(output, " -l flush standard output after each packet\n");
243 fprintf(output, " -q be more quiet on stdout (e.g. when using statistics)\n");
244 fprintf(output, " -Q only log true errors to stderr (quieter than -q)\n");
245 fprintf(output, " -X <key>:<value> eXtension options, see the man page for details\n");
246 fprintf(output, " -z <statistics> various statistics, see the man page for details\n");
248 fprintf(output, "\n");
249 fprintf(output, "Miscellaneous:\n");
250 fprintf(output, " -h display this help and exit\n");
251 fprintf(output, " -v display version info and exit\n");
252 fprintf(output, " -o <name>:<value> ... override preference setting\n");
253 fprintf(output, " -K <keytab> keytab file to use for kerberos decryption\n");
254 fprintf(output, " -G [report] dump one of several available reports and exit\n");
255 fprintf(output, " default report=\"fields\"\n");
256 fprintf(output, " use \"-G ?\" for more help\n");
260 glossary_option_help(void)
266 fprintf(output, "TFShark (Wireshark) %s\n", get_ws_vcs_version_info());
268 fprintf(output, "\n");
269 fprintf(output, "Usage: tfshark -G [report]\n");
270 fprintf(output, "\n");
271 fprintf(output, "Glossary table reports:\n");
272 fprintf(output, " -G column-formats dump column format codes and exit\n");
273 fprintf(output, " -G decodes dump \"layer type\"/\"decode as\" associations and exit\n");
274 fprintf(output, " -G fields dump fields glossary and exit\n");
275 fprintf(output, " -G ftypes dump field type basic and descriptive names\n");
276 fprintf(output, " -G heuristic-decodes dump heuristic dissector tables\n");
277 fprintf(output, " -G plugins dump installed plugins and exit\n");
278 fprintf(output, " -G protocols dump protocols in registration database and exit\n");
279 fprintf(output, " -G values dump value, range, true/false strings and exit\n");
280 fprintf(output, "\n");
281 fprintf(output, "Preference reports:\n");
282 fprintf(output, " -G currentprefs dump current preferences and exit\n");
283 fprintf(output, " -G defaultprefs dump default preferences and exit\n");
284 fprintf(output, "\n");
288 * For a dissector table, print on the stream described by output,
289 * its short name (which is what's used in the "-d" option) and its
293 display_dissector_table_names(const char *table_name, const char *ui_name,
296 if ((prev_display_dissector_name == NULL) ||
297 (strcmp(prev_display_dissector_name, table_name) != 0)) {
298 fprintf((FILE *)output, "\t%s (%s)\n", table_name, ui_name);
299 prev_display_dissector_name = table_name;
304 * For a dissector handle, print on the stream described by output,
305 * the filter name (which is what's used in the "-d" option) and the full
306 * name for the protocol that corresponds to this handle.
309 display_dissector_names(const gchar *table _U_, gpointer handle, gpointer output)
312 const gchar *proto_filter_name;
313 const gchar *proto_ui_name;
315 proto_id = dissector_handle_get_protocol_index((dissector_handle_t)handle);
317 if (proto_id != -1) {
318 proto_filter_name = proto_get_protocol_filter_name(proto_id);
319 proto_ui_name = proto_get_protocol_name(proto_id);
320 g_assert(proto_filter_name != NULL);
321 g_assert(proto_ui_name != NULL);
323 if ((prev_display_dissector_name == NULL) ||
324 (strcmp(prev_display_dissector_name, proto_filter_name) != 0)) {
325 fprintf((FILE *)output, "\t%s (%s)\n",
328 prev_display_dissector_name = proto_filter_name;
334 * The protocol_name_search structure is used by find_protocol_name_func()
335 * to pass parameters and store results
337 struct protocol_name_search{
338 gchar *searched_name; /* Protocol filter name we are looking for */
339 dissector_handle_t matched_handle; /* Handle for a dissector whose protocol has the specified filter name */
340 guint nb_match; /* How many dissectors matched searched_name */
342 typedef struct protocol_name_search *protocol_name_search_t;
345 * This function parses all dissectors associated with a table to find the
346 * one whose protocol has the specified filter name. It is called
347 * as a reference function in a call to dissector_table_foreach_handle.
348 * The name we are looking for, as well as the results, are stored in the
349 * protocol_name_search struct pointed to by user_data.
350 * If called using dissector_table_foreach_handle, we actually parse the
351 * whole list of dissectors.
354 find_protocol_name_func(const gchar *table _U_, gpointer handle, gpointer user_data)
358 const gchar *protocol_filter_name;
359 protocol_name_search_t search_info;
363 search_info = (protocol_name_search_t)user_data;
365 proto_id = dissector_handle_get_protocol_index((dissector_handle_t)handle);
366 if (proto_id != -1) {
367 protocol_filter_name = proto_get_protocol_filter_name(proto_id);
368 g_assert(protocol_filter_name != NULL);
369 if (strcmp(protocol_filter_name, search_info->searched_name) == 0) {
371 if (search_info->nb_match == 0) {
372 /* Record this handle only if this is the first match */
373 search_info->matched_handle = (dissector_handle_t)handle; /* Record the handle for this matching dissector */
375 search_info->nb_match++;
381 * Allow dissector key names to be sorted alphabetically
385 compare_dissector_key_name(gconstpointer dissector_a, gconstpointer dissector_b)
387 return strcmp((const char*)dissector_a, (const char*)dissector_b);
391 * Print all layer type names supported.
392 * We send the output to the stream described by the handle output.
396 fprint_all_layer_types(FILE *output)
399 prev_display_dissector_name = NULL;
400 dissector_all_tables_foreach_table(display_dissector_table_names, (gpointer)output, (GCompareFunc)compare_dissector_key_name);
404 * Print all protocol names supported for a specific layer type.
405 * table_name contains the layer type name in which the search is performed.
406 * We send the output to the stream described by the handle output.
410 fprint_all_protocols_for_layer_types(FILE *output, gchar *table_name)
413 prev_display_dissector_name = NULL;
414 dissector_table_foreach_handle(table_name,
415 display_dissector_names,
420 * The function below parses the command-line parameters for the decode as
421 * feature (a string pointer by cl_param).
422 * It checks the format of the command-line, searches for a matching table
423 * and dissector. If a table/dissector match is not found, we display a
424 * summary of the available tables/dissectors (on stderr) and return FALSE.
425 * If everything is fine, we get the "Decode as" preference activated,
426 * then we return TRUE.
429 add_decode_as(const gchar *cl_param)
432 guint32 selector, selector2;
433 gchar *decoded_param;
434 gchar *remaining_param;
436 gchar *dissector_str;
437 dissector_handle_t dissector_matching;
438 dissector_table_t table_matching;
439 ftenum_t dissector_table_selector_type;
440 struct protocol_name_search user_protocol_name;
444 /* The following code will allocate and copy the command-line options in a string pointed by decoded_param */
447 decoded_param = g_strdup(cl_param);
448 g_assert(decoded_param);
451 /* The lines below will parse this string (modifying it) to extract all
452 necessary information. Note that decoded_param is still needed since
453 strings are not copied - we just save pointers. */
455 /* This section extracts a layer type (table_name) from decoded_param */
456 table_name = decoded_param; /* Layer type string starts from beginning */
458 remaining_param = strchr(table_name, '=');
459 if (remaining_param == NULL) {
460 cmdarg_err("Parameter \"%s\" doesn't follow the template \"%s\"", cl_param, decode_as_arg_template);
461 /* If the argument does not follow the template, carry on anyway to check
462 if the table name is at least correct. If remaining_param is NULL,
463 we'll exit anyway further down */
466 *remaining_param = '\0'; /* Terminate the layer type string (table_name) where '=' was detected */
469 /* Remove leading and trailing spaces from the table name */
470 while ( table_name[0] == ' ' )
472 while ( table_name[strlen(table_name) - 1] == ' ' )
473 table_name[strlen(table_name) - 1] = '\0'; /* Note: if empty string, while loop will eventually exit */
475 /* The following part searches a table matching with the layer type specified */
476 table_matching = NULL;
478 /* Look for the requested table */
479 if ( !(*(table_name)) ) { /* Is the table name empty, if so, don't even search for anything, display a message */
480 cmdarg_err("No layer type specified"); /* Note, we don't exit here, but table_matching will remain NULL, so we exit below */
483 table_matching = find_dissector_table(table_name);
484 if (!table_matching) {
485 cmdarg_err("Unknown layer type -- %s", table_name); /* Note, we don't exit here, but table_matching will remain NULL, so we exit below */
489 if (!table_matching) {
490 /* Display a list of supported layer types to help the user, if the
491 specified layer type was not found */
492 cmdarg_err("Valid layer types are:");
493 fprint_all_layer_types(stderr);
495 if (remaining_param == NULL || !table_matching) {
496 /* Exit if the layer type was not found, or if no '=' separator was found
498 g_free(decoded_param);
502 if (*(remaining_param + 1) != '=') { /* Check for "==" and not only '=' */
503 cmdarg_err("WARNING: -d requires \"==\" instead of \"=\". Option will be treated as \"%s==%s\"", table_name, remaining_param + 1);
506 remaining_param++; /* Move to the second '=' */
507 *remaining_param = '\0'; /* Remove the second '=' */
509 remaining_param++; /* Position after the layer type string */
511 /* This section extracts a selector value (selector_str) from decoded_param */
513 selector_str = remaining_param; /* Next part starts with the selector number */
515 remaining_param = strchr(selector_str, ',');
516 if (remaining_param == NULL) {
517 cmdarg_err("Parameter \"%s\" doesn't follow the template \"%s\"", cl_param, decode_as_arg_template);
518 /* If the argument does not follow the template, carry on anyway to check
519 if the selector value is at least correct. If remaining_param is NULL,
520 we'll exit anyway further down */
523 *remaining_param = '\0'; /* Terminate the selector number string (selector_str) where ',' was detected */
526 dissector_table_selector_type = get_dissector_table_selector_type(table_name);
528 switch (dissector_table_selector_type) {
534 /* The selector for this table is an unsigned number. Parse it as such.
535 There's no need to remove leading and trailing spaces from the
536 selector number string, because sscanf will do that for us. */
537 switch (sscanf(selector_str, "%u%c%u", &selector, &op, &selector2)) {
542 if (op != ':' && op != '-') {
543 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
544 g_free(decoded_param);
548 if ((selector2 == 0) || ((guint64)selector + selector2 - 1) > G_MAXUINT32) {
549 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
550 g_free(decoded_param);
554 else if (selector2 < selector) {
555 /* We could swap them for the user, but maybe it's better to call
556 * this out as an error in case it's not what was intended? */
557 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
558 g_free(decoded_param);
563 cmdarg_err("Invalid selector number \"%s\"", selector_str);
564 g_free(decoded_param);
573 /* The selector for this table is a string. */
577 /* There are currently no dissector tables with any types other
578 than the ones listed above. */
579 g_assert_not_reached();
582 if (remaining_param == NULL) {
583 /* Exit if no ',' separator was found (see above) */
584 cmdarg_err("Valid protocols for layer type \"%s\" are:", table_name);
585 fprint_all_protocols_for_layer_types(stderr, table_name);
586 g_free(decoded_param);
590 remaining_param++; /* Position after the selector number string */
592 /* This section extracts a protocol filter name (dissector_str) from decoded_param */
594 dissector_str = remaining_param; /* All the rest of the string is the dissector (decode as protocol) name */
596 /* Remove leading and trailing spaces from the dissector name */
597 while ( dissector_str[0] == ' ' )
599 while ( dissector_str[strlen(dissector_str) - 1] == ' ' )
600 dissector_str[strlen(dissector_str) - 1] = '\0'; /* Note: if empty string, while loop will eventually exit */
602 dissector_matching = NULL;
604 /* We now have a pointer to the handle for the requested table inside the variable table_matching */
605 if ( ! (*dissector_str) ) { /* Is the dissector name empty, if so, don't even search for a matching dissector and display all dissectors found for the selected table */
606 cmdarg_err("No protocol name specified"); /* Note, we don't exit here, but dissector_matching will remain NULL, so we exit below */
609 user_protocol_name.nb_match = 0;
610 user_protocol_name.searched_name = dissector_str;
611 user_protocol_name.matched_handle = NULL;
613 dissector_table_foreach_handle(table_name, find_protocol_name_func, &user_protocol_name); /* Go and perform the search for this dissector in the this table's dissectors' names and shortnames */
615 if (user_protocol_name.nb_match != 0) {
616 dissector_matching = user_protocol_name.matched_handle;
617 if (user_protocol_name.nb_match > 1) {
618 cmdarg_err("WARNING: Protocol \"%s\" matched %u dissectors, first one will be used", dissector_str, user_protocol_name.nb_match);
622 /* OK, check whether the problem is that there isn't any such
623 protocol, or that there is but it's not specified as a protocol
624 that's valid for that dissector table.
625 Note, we don't exit here, but dissector_matching will remain NULL,
627 if (proto_get_id_by_filter_name(dissector_str) == -1) {
628 /* No such protocol */
629 cmdarg_err("Unknown protocol -- \"%s\"", dissector_str);
631 cmdarg_err("Protocol \"%s\" isn't valid for layer type \"%s\"",
632 dissector_str, table_name);
637 if (!dissector_matching) {
638 cmdarg_err("Valid protocols for layer type \"%s\" are:", table_name);
639 fprint_all_protocols_for_layer_types(stderr, table_name);
640 g_free(decoded_param);
644 /* This is the end of the code that parses the command-line options.
645 All information is now stored in the variables:
649 The above variables that are strings are still pointing to areas within
650 decoded_parm. decoded_parm thus still needs to be kept allocated in
651 until we stop needing these variables
652 decoded_param will be deallocated at each exit point of this function */
655 /* We now have a pointer to the handle for the requested dissector
656 (requested protocol) inside the variable dissector_matching */
657 switch (dissector_table_selector_type) {
663 /* The selector for this table is an unsigned number. */
665 dissector_change_uint(table_name, selector, dissector_matching);
666 } else if (op == ':') {
667 for (i = selector; i < (guint64)selector + selector2; i++) {
668 dissector_change_uint(table_name, (guint32)i, dissector_matching);
670 } else { /* op == '-' */
671 for (i = selector; i <= selector2; i++) {
672 dissector_change_uint(table_name, (guint32)i, dissector_matching);
681 /* The selector for this table is a string. */
682 dissector_change_string(table_name, selector_str, dissector_matching);
686 /* There are currently no dissector tables with any types other
687 than the ones listed above. */
688 g_assert_not_reached();
690 g_free(decoded_param); /* "Decode As" rule has been successfully added */
695 tfshark_log_handler (const gchar *log_domain, GLogLevelFlags log_level,
696 const gchar *message, gpointer user_data)
698 /* ignore log message, if log_level isn't interesting based
699 upon the console log preferences.
700 If the preferences haven't been loaded loaded yet, display the
703 The default console_log_level preference value is such that only
704 ERROR, CRITICAL and WARNING level messages are processed;
705 MESSAGE, INFO and DEBUG level messages are ignored.
707 XXX: Aug 07, 2009: Prior tshark g_log code was hardwired to process only
708 ERROR and CRITICAL level messages so the current code is a behavioral
709 change. The current behavior is the same as in Wireshark.
711 if ((log_level & G_LOG_LEVEL_MASK & prefs.console_log_level) == 0 &&
712 prefs.console_log_level != 0) {
716 g_log_default_handler(log_domain, log_level, message, user_data);
721 print_current_user(void) {
722 gchar *cur_user, *cur_group;
724 if (started_with_special_privs()) {
725 cur_user = get_cur_username();
726 cur_group = get_cur_groupname();
727 fprintf(stderr, "Running as user \"%s\" and group \"%s\".",
728 cur_user, cur_group);
731 if (running_with_special_privs()) {
732 fprintf(stderr, " This could be dangerous.");
734 fprintf(stderr, "\n");
739 show_version(GString *comp_info_str, GString *runtime_info_str)
741 printf("TFShark (Wireshark) %s\n"
748 get_ws_vcs_version_info(), get_copyright_info(), comp_info_str->str,
749 runtime_info_str->str);
753 get_tfshark_compiled_version_info(GString *str)
757 g_string_append(str, "with libz ");
759 g_string_append(str, ZLIB_VERSION);
760 #else /* ZLIB_VERSION */
761 g_string_append(str, "(version unknown)");
762 #endif /* ZLIB_VERSION */
763 #else /* HAVE_LIBZ */
764 g_string_append(str, "without libz");
765 #endif /* HAVE_LIBZ */
769 get_tfshark_runtime_version_info(GString *str)
772 #if defined(HAVE_LIBZ) && !defined(_WIN32)
773 g_string_append_printf(str, ", with libz %s", zlibVersion());
776 /* stuff used by libwireshark */
777 epan_get_runtime_version_info(str);
781 main(int argc, char *argv[])
783 GString *comp_info_str;
784 GString *runtime_info_str;
785 char *init_progfile_dir_error;
787 static const struct option long_options[] = {
788 {(char *)"help", no_argument, NULL, 'h'},
789 {(char *)"version", no_argument, NULL, 'v'},
792 gboolean arg_error = FALSE;
794 char *gpf_path, *pf_path;
795 char *gdp_path, *dp_path;
796 int gpf_open_errno, gpf_read_errno;
797 int pf_open_errno, pf_read_errno;
798 int gdp_open_errno, gdp_read_errno;
799 int dp_open_errno, dp_read_errno;
801 volatile int exit_status = 0;
802 gboolean quiet = FALSE;
803 gchar *volatile cf_name = NULL;
804 gchar *rfilter = NULL;
805 gchar *dfilter = NULL;
806 dfilter_t *rfcode = NULL;
807 dfilter_t *dfcode = NULL;
811 gchar *output_only = NULL;
813 /* the leading - ensures that getopt() does not permute the argv[] entries
814 we have to make sure that the first getopt() preserves the content of argv[]
815 for the subsequent getopt_long() call */
816 #define OPTSTRING "-2C:d:e:E:hK:lo:O:qQr:R:S:t:T:u:vVxX:Y:z:"
818 static const char optstring[] = OPTSTRING;
820 cmdarg_err_init(failure_message, failure_message_cont);
823 arg_list_utf_16to8(argc, argv);
824 create_app_running_mutex();
825 #if !GLIB_CHECK_VERSION(2,31,0)
831 * Get credential information for later use, and drop privileges
832 * before doing anything else.
833 * Let the user know if anything happened.
835 init_process_policies();
836 relinquish_special_privs_perm();
837 print_current_user();
840 * Attempt to get the pathname of the executable file.
842 init_progfile_dir_error = init_progfile_dir(argv[0], main);
843 if (init_progfile_dir_error != NULL) {
844 fprintf(stderr, "tfshark: Can't get pathname of tfshark program: %s.\n",
845 init_progfile_dir_error);
848 initialize_funnel_ops();
850 /* Assemble the compile-time version information string */
851 comp_info_str = g_string_new("Compiled ");
852 get_compiled_version_info(comp_info_str, get_tfshark_compiled_version_info,
853 epan_get_compiled_version_info);
855 /* Assemble the run-time version information string */
856 runtime_info_str = g_string_new("Running ");
857 get_runtime_version_info(runtime_info_str, get_tfshark_runtime_version_info);
859 /* Add it to the information to be reported on a crash. */
860 ws_add_crash_info("TFShark (Wireshark) %s\n"
865 get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
868 * In order to have the -X opts assigned before the wslua machine starts
869 * we need to call getopts before epan_init() gets called.
872 optind_initial = optind;
874 while ((opt = getopt(argc, argv, optstring)) != -1) {
876 case 'C': /* Configuration Profile */
877 if (profile_exists (optarg, FALSE)) {
878 set_profile_name (optarg);
880 cmdarg_err("Configuration Profile \"%s\" does not exist", optarg);
884 case 'O': /* Only output these protocols */
885 output_only = g_strdup(optarg);
887 case 'V': /* Verbose */
888 print_details = TRUE;
889 print_packet_info = TRUE;
891 case 'x': /* Print packet data in hex (and ASCII) */
893 /* The user asked for hex output, so let's ensure they get it,
894 * even if they're writing to a file.
896 print_packet_info = TRUE;
907 * Print packet summary information is the default, unless either -V or -x
908 * were specified. Note that this is new behavior, which
909 * allows for the possibility of printing only hex/ascii output without
910 * necessarily requiring that either the summary or details be printed too.
912 if (print_summary == -1)
913 print_summary = (print_details || print_hex) ? FALSE : TRUE;
915 optind = optind_initial;
920 /** Send All g_log messages to our own handler **/
924 G_LOG_LEVEL_CRITICAL|
929 G_LOG_FLAG_FATAL|G_LOG_FLAG_RECURSION;
931 g_log_set_handler(NULL,
932 (GLogLevelFlags)log_flags,
933 tfshark_log_handler, NULL /* user_data */);
934 g_log_set_handler(LOG_DOMAIN_MAIN,
935 (GLogLevelFlags)log_flags,
936 tfshark_log_handler, NULL /* user_data */);
938 init_report_err(failure_message, open_failure_message, read_failure_message,
939 write_failure_message);
941 timestamp_set_type(TS_RELATIVE);
942 timestamp_set_precision(TS_PREC_AUTO);
943 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
945 init_open_routines();
948 /* Register all the plugin types we have. */
949 epan_register_plugin_types(); /* Types known to libwireshark */
950 ftap_register_plugin_types(); /* Types known to libfiletap */
952 /* Scan for plugins. This does *not* call their registration routines;
953 that's done later. */
956 /* Register all libfiletap plugin modules. */
957 register_all_filetap_modules();
961 /* Register all dissectors; we must do this before checking for the
962 "-G" flag, as the "-G" flag dumps information registered by the
963 dissectors, and we must do it before we read the preferences, in
964 case any dissectors register preferences. */
965 epan_init(register_all_protocols, register_all_protocol_handoffs, NULL, NULL);
967 /* Register all tap listeners; we do this before we parse the arguments,
968 as the "-z" argument can specify a registered tap. */
970 /* we register the plugin taps before the other taps because
971 stats_tree taps plugins will be registered as tap listeners
972 by stats_tree_stat.c and need to registered before that */
974 /* XXX Disable tap registration for now until we can get tfshark set up with
975 * its own set of taps and the necessary registration function etc.
977 register_all_plugin_tap_listeners();
979 register_all_tap_listeners();
982 /* If invoked with the "-G" flag, we dump out information based on
983 the argument to the "-G" flag; if no argument is specified,
984 for backwards compatibility we dump out a glossary of display
987 XXX - we do this here, for now, to support "-G" with no arguments.
988 If none of our build or other processes uses "-G" with no arguments,
989 we can just process it with the other arguments. */
990 if (argc >= 2 && strcmp(argv[1], "-G") == 0) {
991 proto_initialize_all_prefixes();
994 proto_registrar_dump_fields();
996 if (strcmp(argv[2], "column-formats") == 0)
997 column_dump_column_formats();
998 else if (strcmp(argv[2], "currentprefs") == 0) {
999 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
1000 &pf_open_errno, &pf_read_errno, &pf_path);
1003 else if (strcmp(argv[2], "decodes") == 0)
1004 dissector_dump_decodes();
1005 else if (strcmp(argv[2], "defaultprefs") == 0)
1007 else if (strcmp(argv[2], "fields") == 0)
1008 proto_registrar_dump_fields();
1009 else if (strcmp(argv[2], "ftypes") == 0)
1010 proto_registrar_dump_ftypes();
1011 else if (strcmp(argv[2], "heuristic-decodes") == 0)
1012 dissector_dump_heur_decodes();
1013 else if (strcmp(argv[2], "plugins") == 0) {
1018 wslua_plugins_dump_all();
1021 else if (strcmp(argv[2], "protocols") == 0)
1022 proto_registrar_dump_protocols();
1023 else if (strcmp(argv[2], "values") == 0)
1024 proto_registrar_dump_values();
1025 else if (strcmp(argv[2], "?") == 0)
1026 glossary_option_help();
1027 else if (strcmp(argv[2], "-?") == 0)
1028 glossary_option_help();
1030 cmdarg_err("Invalid \"%s\" option for -G flag, enter -G ? for more help.", argv[2]);
1037 /* Set the C-language locale to the native environment. */
1038 setlocale(LC_ALL, "");
1040 prefs_p = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
1041 &pf_open_errno, &pf_read_errno, &pf_path);
1042 if (gpf_path != NULL) {
1043 if (gpf_open_errno != 0) {
1044 cmdarg_err("Can't open global preferences file \"%s\": %s.",
1045 pf_path, g_strerror(gpf_open_errno));
1047 if (gpf_read_errno != 0) {
1048 cmdarg_err("I/O error reading global preferences file \"%s\": %s.",
1049 pf_path, g_strerror(gpf_read_errno));
1052 if (pf_path != NULL) {
1053 if (pf_open_errno != 0) {
1054 cmdarg_err("Can't open your preferences file \"%s\": %s.", pf_path,
1055 g_strerror(pf_open_errno));
1057 if (pf_read_errno != 0) {
1058 cmdarg_err("I/O error reading your preferences file \"%s\": %s.",
1059 pf_path, g_strerror(pf_read_errno));
1065 /* Read the disabled protocols file. */
1066 read_disabled_protos_list(&gdp_path, &gdp_open_errno, &gdp_read_errno,
1067 &dp_path, &dp_open_errno, &dp_read_errno);
1068 if (gdp_path != NULL) {
1069 if (gdp_open_errno != 0) {
1070 cmdarg_err("Could not open global disabled protocols file\n\"%s\": %s.",
1071 gdp_path, g_strerror(gdp_open_errno));
1073 if (gdp_read_errno != 0) {
1074 cmdarg_err("I/O error reading global disabled protocols file\n\"%s\": %s.",
1075 gdp_path, g_strerror(gdp_read_errno));
1079 if (dp_path != NULL) {
1080 if (dp_open_errno != 0) {
1082 "Could not open your disabled protocols file\n\"%s\": %s.", dp_path,
1083 g_strerror(dp_open_errno));
1085 if (dp_read_errno != 0) {
1087 "I/O error reading your disabled protocols file\n\"%s\": %s.", dp_path,
1088 g_strerror(dp_read_errno));
1093 cap_file_init(&cfile);
1095 /* Print format defaults to this. */
1096 print_format = PR_FMT_TEXT;
1098 output_fields = output_fields_new();
1100 /* Now get our args */
1101 while ((opt = getopt_long(argc, argv, optstring, long_options, NULL)) != -1) {
1103 case '2': /* Perform two pass analysis */
1104 perform_two_pass_analysis = TRUE;
1107 /* Configuration profile settings were already processed just ignore them this time*/
1109 case 'd': /* Decode as rule */
1110 if (!add_decode_as(optarg))
1113 #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS)
1114 case 'K': /* Kerberos keytab file */
1115 read_keytab_file(optarg);
1120 output_fields_add(output_fields, optarg);
1124 if (!output_fields_set_option(output_fields, optarg)) {
1125 cmdarg_err("\"%s\" is not a valid field output option=value pair.", optarg);
1126 output_fields_list_options(stderr);
1131 case 'h': /* Print help and exit */
1132 printf("TFShark (Wireshark) %s\n"
1133 "Dump and analyze network traffic.\n"
1134 "See http://www.wireshark.org for more information.\n",
1135 get_ws_vcs_version_info());
1136 print_usage(stdout);
1139 case 'l': /* "Line-buffer" standard output */
1140 /* This isn't line-buffering, strictly speaking, it's just
1141 flushing the standard output after the information for
1142 each packet is printed; however, that should be good
1143 enough for all the purposes to which "-l" is put (and
1144 is probably actually better for "-V", as it does fewer
1147 See the comment in "process_packet()" for an explanation of
1148 why we do that, and why we don't just use "setvbuf()" to
1149 make the standard output line-buffered (short version: in
1150 Windows, "line-buffered" is the same as "fully-buffered",
1151 and the output buffer is only flushed when it fills up). */
1152 line_buffered = TRUE;
1154 case 'o': /* Override preference from command line */
1155 switch (prefs_set_pref(optarg)) {
1160 case PREFS_SET_SYNTAX_ERR:
1161 cmdarg_err("Invalid -o flag \"%s\"", optarg);
1165 case PREFS_SET_NO_SUCH_PREF:
1166 case PREFS_SET_OBSOLETE:
1167 cmdarg_err("-o flag \"%s\" specifies unknown preference", optarg);
1172 case 'q': /* Quiet */
1175 case 'Q': /* Really quiet */
1177 really_quiet = TRUE;
1179 case 'r': /* Read capture file x */
1180 cf_name = g_strdup(optarg);
1182 case 'R': /* Read file filter */
1185 case 'S': /* Set the line Separator to be printed between packets */
1186 separator = strdup(optarg);
1188 case 't': /* Time stamp type */
1189 if (strcmp(optarg, "r") == 0)
1190 timestamp_set_type(TS_RELATIVE);
1191 else if (strcmp(optarg, "a") == 0)
1192 timestamp_set_type(TS_ABSOLUTE);
1193 else if (strcmp(optarg, "ad") == 0)
1194 timestamp_set_type(TS_ABSOLUTE_WITH_YMD);
1195 else if (strcmp(optarg, "adoy") == 0)
1196 timestamp_set_type(TS_ABSOLUTE_WITH_YDOY);
1197 else if (strcmp(optarg, "d") == 0)
1198 timestamp_set_type(TS_DELTA);
1199 else if (strcmp(optarg, "dd") == 0)
1200 timestamp_set_type(TS_DELTA_DIS);
1201 else if (strcmp(optarg, "e") == 0)
1202 timestamp_set_type(TS_EPOCH);
1203 else if (strcmp(optarg, "u") == 0)
1204 timestamp_set_type(TS_UTC);
1205 else if (strcmp(optarg, "ud") == 0)
1206 timestamp_set_type(TS_UTC_WITH_YMD);
1207 else if (strcmp(optarg, "udoy") == 0)
1208 timestamp_set_type(TS_UTC_WITH_YDOY);
1210 cmdarg_err("Invalid time stamp type \"%s\"; it must be one of:", optarg);
1211 cmdarg_err_cont("\t\"a\" for absolute\n"
1212 "\t\"ad\" for absolute with YYYY-MM-DD date\n"
1213 "\t\"adoy\" for absolute with YYYY/DOY date\n"
1214 "\t\"d\" for delta\n"
1215 "\t\"dd\" for delta displayed\n"
1216 "\t\"e\" for epoch\n"
1217 "\t\"r\" for relative\n"
1218 "\t\"u\" for absolute UTC\n"
1219 "\t\"ud\" for absolute UTC with YYYY-MM-DD date\n"
1220 "\t\"udoy\" for absolute UTC with YYYY/DOY date");
1224 case 'T': /* printing Type */
1225 if (strcmp(optarg, "text") == 0) {
1226 output_action = WRITE_TEXT;
1227 print_format = PR_FMT_TEXT;
1228 } else if (strcmp(optarg, "ps") == 0) {
1229 output_action = WRITE_TEXT;
1230 print_format = PR_FMT_PS;
1231 } else if (strcmp(optarg, "pdml") == 0) {
1232 output_action = WRITE_XML;
1233 print_details = TRUE; /* Need details */
1234 print_summary = FALSE; /* Don't allow summary */
1235 } else if (strcmp(optarg, "psml") == 0) {
1236 output_action = WRITE_XML;
1237 print_details = FALSE; /* Don't allow details */
1238 print_summary = TRUE; /* Need summary */
1239 } else if (strcmp(optarg, "fields") == 0) {
1240 output_action = WRITE_FIELDS;
1241 print_details = TRUE; /* Need full tree info */
1242 print_summary = FALSE; /* Don't allow summary */
1244 cmdarg_err("Invalid -T parameter \"%s\"; it must be one of:", optarg); /* x */
1245 cmdarg_err_cont("\t\"fields\" The values of fields specified with the -e option, in a form\n"
1246 "\t specified by the -E option.\n"
1247 "\t\"pdml\" Packet Details Markup Language, an XML-based format for the\n"
1248 "\t details of a decoded packet. This information is equivalent to\n"
1249 "\t the packet details printed with the -V flag.\n"
1250 "\t\"ps\" PostScript for a human-readable one-line summary of each of\n"
1251 "\t the packets, or a multi-line view of the details of each of\n"
1252 "\t the packets, depending on whether the -V flag was specified.\n"
1253 "\t\"psml\" Packet Summary Markup Language, an XML-based format for the\n"
1254 "\t summary information of a decoded packet. This information is\n"
1255 "\t equivalent to the information shown in the one-line summary\n"
1256 "\t printed by default.\n"
1257 "\t\"text\" Text of a human-readable one-line summary of each of the\n"
1258 "\t packets, or a multi-line view of the details of each of the\n"
1259 "\t packets, depending on whether the -V flag was specified.\n"
1260 "\t This is the default.");
1264 case 'u': /* Seconds type */
1265 if (strcmp(optarg, "s") == 0)
1266 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
1267 else if (strcmp(optarg, "hms") == 0)
1268 timestamp_set_seconds_type(TS_SECONDS_HOUR_MIN_SEC);
1270 cmdarg_err("Invalid seconds type \"%s\"; it must be one of:", optarg);
1271 cmdarg_err_cont("\t\"s\" for seconds\n"
1272 "\t\"hms\" for hours, minutes and seconds");
1276 case 'v': /* Show version and exit */
1278 show_version(comp_info_str, runtime_info_str);
1279 g_string_free(comp_info_str, TRUE);
1280 g_string_free(runtime_info_str, TRUE);
1281 /* We don't really have to cleanup here, but it's a convenient way to test
1282 * start-up and shut-down of the epan library without any UI-specific
1283 * cruft getting in the way. Makes the results of running
1284 * $ ./tools/valgrind-wireshark -n
1285 * much more useful. */
1289 case 'O': /* Only output these protocols */
1290 /* already processed; just ignore it now */
1292 case 'V': /* Verbose */
1293 /* already processed; just ignore it now */
1295 case 'x': /* Print packet data in hex (and ASCII) */
1296 /* already processed; just ignore it now */
1304 /* We won't call the init function for the stat this soon
1305 as it would disallow MATE's fields (which are registered
1306 by the preferences set callback) from being used as
1307 part of a tap filter. Instead, we just add the argument
1308 to a list of stat arguments. */
1309 if (!process_stat_cmd_arg(optarg)) {
1310 if (strcmp("help", optarg)==0) {
1311 fprintf(stderr, "tfshark: The available statistics for the \"-z\" option are:\n");
1312 list_stat_cmd_args();
1315 cmdarg_err("Invalid -z argument \"%s\"; it must be one of:", optarg);
1316 list_stat_cmd_args();
1321 case '?': /* Bad flag - print usage message */
1322 print_usage(stderr);
1328 /* If we specified output fields, but not the output field type... */
1329 if (WRITE_FIELDS != output_action && 0 != output_fields_num_fields(output_fields)) {
1330 cmdarg_err("Output fields were specified with \"-e\", "
1331 "but \"-Tfields\" was not specified.");
1333 } else if (WRITE_FIELDS == output_action && 0 == output_fields_num_fields(output_fields)) {
1334 cmdarg_err("\"-Tfields\" was specified, but no fields were "
1335 "specified with \"-e\".");
1340 /* If no capture filter or display filter has been specified, and there are
1341 still command-line arguments, treat them as the tokens of a capture
1342 filter (if no "-r" flag was specified) or a display filter (if a "-r"
1343 flag was specified. */
1344 if (optind < argc) {
1345 if (cf_name != NULL) {
1346 if (dfilter != NULL) {
1347 cmdarg_err("Display filters were specified both with \"-d\" "
1348 "and with additional command-line arguments.");
1351 dfilter = get_args_as_string(argc, argv, optind);
1355 /* if "-q" wasn't specified, we should print packet information */
1357 print_packet_info = TRUE;
1360 print_usage(stderr);
1365 if (output_action != WRITE_TEXT) {
1366 cmdarg_err("Raw packet hex data can only be printed as text or PostScript");
1371 if (output_only != NULL) {
1374 if (!print_details) {
1375 cmdarg_err("-O requires -V");
1379 output_only_tables = g_hash_table_new (g_str_hash, g_str_equal);
1380 for (ps = strtok (output_only, ","); ps; ps = strtok (NULL, ",")) {
1381 g_hash_table_insert(output_only_tables, (gpointer)ps, (gpointer)ps);
1385 if (rfilter != NULL && !perform_two_pass_analysis) {
1386 cmdarg_err("-R without -2 is deprecated. For single-pass filtering use -Y.");
1390 /* Notify all registered modules that have had any of their preferences
1391 changed either from one of the preferences file or from the command
1392 line that their preferences have changed. */
1395 /* At this point MATE will have registered its field array so we can
1396 have a tap filter with one of MATE's late-registered fields as part
1397 of the filter. We can now process all the "-z" arguments. */
1398 start_requested_stats();
1400 /* disabled protocols as per configuration file */
1401 if (gdp_path == NULL && dp_path == NULL) {
1402 set_disabled_protos_list();
1405 /* Build the column format array */
1406 build_column_format_array(&cfile.cinfo, prefs_p->num_cols, TRUE);
1408 if (rfilter != NULL) {
1409 if (!dfilter_compile(rfilter, &rfcode)) {
1410 cmdarg_err("%s", dfilter_error_msg);
1415 cfile.rfcode = rfcode;
1417 if (dfilter != NULL) {
1418 if (!dfilter_compile(dfilter, &dfcode)) {
1419 cmdarg_err("%s", dfilter_error_msg);
1424 cfile.dfcode = dfcode;
1426 if (print_packet_info) {
1427 /* If we're printing as text or PostScript, we have
1428 to create a print stream. */
1429 if (output_action == WRITE_TEXT) {
1430 switch (print_format) {
1433 print_stream = print_stream_text_stdio_new(stdout);
1437 print_stream = print_stream_ps_stdio_new(stdout);
1441 g_assert_not_reached();
1446 /* We have to dissect each packet if:
1448 we're printing information about each packet;
1450 we're using a read filter on the packets;
1452 we're using a display filter on the packets;
1454 we're using any taps that need dissection. */
1455 do_dissection = print_packet_info || rfcode || dfcode || tap_listeners_require_dissection();
1459 * We're reading a capture file.
1462 /* TODO: if tfshark is ever changed to give the user a choice of which
1463 open_routine reader to use, then the following needs to change. */
1464 if (cf_open(&cfile, cf_name, WTAP_TYPE_AUTO, FALSE, &err) != CF_OK) {
1469 /* Process the packets in the file */
1471 /* XXX - for now there is only 1 packet */
1472 err = load_cap_file(&cfile, 1, 0);
1474 CATCH(OutOfMemoryError) {
1478 "Sorry, but TFShark has to terminate now!\n"
1480 "Some infos / workarounds can be found at:\n"
1481 "http://wiki.wireshark.org/KnownBugs/OutOfMemory\n");
1487 /* We still dump out the results of taps, etc., as we might have
1488 read some packets; however, we exit with an error status. */
1495 if (cfile.frames != NULL) {
1496 free_frame_data_sequence(cfile.frames);
1497 cfile.frames = NULL;
1500 draw_tap_listeners(TRUE);
1501 funnel_dump_all_text_windows();
1502 epan_free(cfile.epan);
1505 output_fields_free(output_fields);
1506 output_fields = NULL;
1511 static const nstime_t *
1512 tfshark_get_frame_ts(void *data, guint32 frame_num)
1514 capture_file *cf = (capture_file *) data;
1516 if (ref && ref->num == frame_num)
1517 return &ref->abs_ts;
1519 if (prev_dis && prev_dis->num == frame_num)
1520 return &prev_dis->abs_ts;
1522 if (prev_cap && prev_cap->num == frame_num)
1523 return &prev_cap->abs_ts;
1526 frame_data *fd = frame_data_sequence_find(cf->frames, frame_num);
1528 return (fd) ? &fd->abs_ts : NULL;
1535 no_interface_name(void *data _U_, guint32 interface_id _U_)
1541 tfshark_epan_new(capture_file *cf)
1543 epan_t *epan = epan_new();
1546 epan->get_frame_ts = tfshark_get_frame_ts;
1547 epan->get_interface_name = no_interface_name;
1548 epan->get_user_comment = NULL;
1554 process_packet_first_pass(capture_file *cf, epan_dissect_t *edt,
1555 gint64 offset, struct wtap_pkthdr *whdr,
1562 /* The frame number of this packet is one more than the count of
1563 frames in this packet. */
1564 framenum = cf->count + 1;
1566 /* If we're not running a display filter and we're not printing any
1567 packet information, we don't need to do a dissection. This means
1568 that all packets can be marked as 'passed'. */
1571 frame_data_init(&fdlocal, framenum, whdr, offset, cum_bytes);
1573 /* If we're going to print packet information, or we're going to
1574 run a read filter, or display filter, or we're going to process taps, set up to
1575 do a dissection and do so. */
1577 /* If we're running a read filter, prime the epan_dissect_t with that
1580 epan_dissect_prime_dfilter(edt, cf->rfcode);
1582 frame_data_set_before_dissect(&fdlocal, &cf->elapsed_time,
1584 if (ref == &fdlocal) {
1585 ref_frame = fdlocal;
1589 epan_dissect_file_run(edt, whdr, file_tvbuff_new(&fdlocal, pd), &fdlocal, NULL);
1591 /* Run the read filter if we have one. */
1593 passed = dfilter_apply_edt(cf->rfcode, edt);
1597 frame_data_set_after_dissect(&fdlocal, &cum_bytes);
1598 prev_cap = prev_dis = frame_data_sequence_add(cf->frames, &fdlocal);
1600 /* If we're not doing dissection then there won't be any dependent frames.
1601 * More importantly, edt.pi.dependent_frames won't be initialized because
1602 * epan hasn't been initialized.
1605 g_slist_foreach(edt->pi.dependent_frames, find_and_mark_frame_depended_upon, cf->frames);
1610 /* if we don't add it to the frame_data_sequence, clean it up right now
1612 frame_data_destroy(&fdlocal);
1616 epan_dissect_reset(edt);
1622 process_packet_second_pass(capture_file *cf, epan_dissect_t *edt, frame_data *fdata,
1623 struct wtap_pkthdr *phdr, Buffer *buf,
1629 /* If we're not running a display filter and we're not printing any
1630 packet information, we don't need to do a dissection. This means
1631 that all packets can be marked as 'passed'. */
1634 /* If we're going to print packet information, or we're going to
1635 run a read filter, or we're going to process taps, set up to
1636 do a dissection and do so. */
1639 /* If we're running a display filter, prime the epan_dissect_t with that
1642 epan_dissect_prime_dfilter(edt, cf->dfcode);
1644 col_custom_prime_edt(edt, &cf->cinfo);
1646 /* We only need the columns if either
1647 1) some tap needs the columns
1649 2) we're printing packet info but we're *not* verbose; in verbose
1650 mode, we print the protocol tree, not the protocol summary.
1652 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary))
1657 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1664 epan_dissect_file_run_with_taps(edt, phdr, file_tvbuff_new_buffer(fdata, buf), fdata, cinfo);
1666 /* Run the read/display filter if we have one. */
1668 passed = dfilter_apply_edt(cf->dfcode, edt);
1672 frame_data_set_after_dissect(fdata, &cum_bytes);
1673 /* Process this packet. */
1674 if (print_packet_info) {
1675 /* We're printing packet information; print the information for
1677 print_packet(cf, edt);
1679 /* The ANSI C standard does not appear to *require* that a line-buffered
1680 stream be flushed to the host environment whenever a newline is
1681 written, it just says that, on such a stream, characters "are
1682 intended to be transmitted to or from the host environment as a
1683 block when a new-line character is encountered".
1685 The Visual C++ 6.0 C implementation doesn't do what is intended;
1686 even if you set a stream to be line-buffered, it still doesn't
1687 flush the buffer at the end of every line.
1689 So, if the "-l" flag was specified, we flush the standard output
1690 at the end of a packet. This will do the right thing if we're
1691 printing packet summary lines, and, as we print the entire protocol
1692 tree for a single packet without waiting for anything to happen,
1693 it should be as good as line-buffered mode if we're printing
1694 protocol trees. (The whole reason for the "-l" flag in either
1695 tcpdump or TShark is to allow the output of a live capture to
1696 be piped to a program or script and to have that script see the
1697 information for the packet as soon as it's printed, rather than
1698 having to wait until a standard I/O buffer fills up. */
1702 if (ferror(stdout)) {
1703 show_print_file_io_error(errno);
1712 epan_dissect_reset(edt);
1714 return passed || fdata->flags.dependent_of_displayed;
1718 local_wtap_read(capture_file *cf, struct wtap_pkthdr* file_phdr, int *err, gchar **err_info, gint64 *data_offset _U_, guint8** data_buffer)
1721 gint64 packet_size = wtap_file_size(cf->wth, err);
1723 *data_buffer = (guint8*)g_malloc((gsize)packet_size);
1724 bytes_read = file_read(*data_buffer, (unsigned int)packet_size, cf->wth->fh);
1726 if (bytes_read < 0) {
1727 *err = file_error(cf->wth->fh, err_info);
1729 *err = FTAP_ERR_SHORT_READ;
1731 } else if (bytes_read == 0) {
1732 /* Done with file, no error */
1737 /* XXX - SET FRAME SIZE EQUAL TO TOTAL FILE SIZE */
1738 file_phdr->caplen = (guint32)packet_size;
1739 file_phdr->len = (guint32)packet_size;
1743 * Set the packet encapsulation to the file's encapsulation
1744 * value; if that's not WTAP_ENCAP_PER_PACKET, it's the
1745 * right answer (and means that the read routine for this
1746 * capture file type doesn't have to set it), and if it
1747 * *is* WTAP_ENCAP_PER_PACKET, the caller needs to set it
1750 wth->phdr.pkt_encap = wth->file_encap;
1752 if (!wth->subtype_read(wth, err, err_info, data_offset)) {
1754 * If we didn't get an error indication, we read
1755 * the last packet. See if there's any deferred
1756 * error, as might, for example, occur if we're
1757 * reading a compressed file, and we got an error
1758 * reading compressed data from the file, but
1759 * got enough compressed data to decompress the
1760 * last packet of the file.
1763 *err = file_error(wth->fh, err_info);
1764 return FALSE; /* failure */
1768 * It makes no sense for the captured data length to be bigger
1769 * than the actual data length.
1771 if (wth->phdr.caplen > wth->phdr.len)
1772 wth->phdr.caplen = wth->phdr.len;
1775 * Make sure that it's not WTAP_ENCAP_PER_PACKET, as that
1776 * probably means the file has that encapsulation type
1777 * but the read routine didn't set this packet's
1778 * encapsulation type.
1780 g_assert(wth->phdr.pkt_encap != WTAP_ENCAP_PER_PACKET);
1783 return TRUE; /* success */
1787 load_cap_file(capture_file *cf, int max_packet_count, gint64 max_byte_count)
1791 gchar *err_info = NULL;
1792 gint64 data_offset = 0;
1793 gboolean filtering_tap_listeners;
1796 epan_dissect_t *edt = NULL;
1797 struct wtap_pkthdr file_phdr;
1800 if (print_packet_info) {
1801 if (!write_preamble(cf)) {
1803 show_print_file_io_error(err);
1808 /* Do we have any tap listeners with filters? */
1809 filtering_tap_listeners = have_filtering_tap_listeners();
1811 /* Get the union of the flags for all tap listeners. */
1812 tap_flags = union_of_tap_listener_flags();
1814 memset(&file_phdr, 0, sizeof(file_phdr));
1816 /* XXX - TEMPORARY HACK TO ELF DISSECTOR */
1817 file_phdr.pkt_encap = 1234;
1819 if (perform_two_pass_analysis) {
1822 /* Allocate a frame_data_sequence for all the frames. */
1823 cf->frames = new_frame_data_sequence();
1825 if (do_dissection) {
1826 gboolean create_proto_tree = FALSE;
1828 /* If we're going to be applying a filter, we'll need to
1829 create a protocol tree against which to apply the filter. */
1831 create_proto_tree = TRUE;
1833 /* We're not going to display the protocol tree on this pass,
1834 so it's not going to be "visible". */
1835 edt = epan_dissect_new(cf->epan, create_proto_tree, FALSE);
1837 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1838 if (process_packet_first_pass(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1839 wtap_buf_ptr(cf->wth))) {
1841 /* Stop reading if we have the maximum number of packets;
1842 * When the -c option has not been used, max_packet_count
1843 * starts at 0, which practically means, never stop reading.
1844 * (unless we roll over max_packet_count ?)
1846 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1847 err = 0; /* This is not an error */
1854 epan_dissect_free(edt);
1859 /* Close the sequential I/O side, to free up memory it requires. */
1860 wtap_sequential_close(cf->wth);
1863 /* Allow the protocol dissectors to free up memory that they
1864 * don't need after the sequential run-through of the packets. */
1865 postseq_cleanup_all_protocols();
1869 buffer_init(&buf, 1500);
1871 if (do_dissection) {
1872 gboolean create_proto_tree;
1874 if (cf->dfcode || print_details || filtering_tap_listeners ||
1875 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1876 create_proto_tree = TRUE;
1878 create_proto_tree = FALSE;
1880 /* The protocol tree will be "visible", i.e., printed, only if we're
1881 printing packet details, which is true if we're printing stuff
1882 ("print_packet_info" is true) and we're in verbose mode
1883 ("packet_details" is true). */
1884 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1887 for (framenum = 1; err == 0 && framenum <= cf->count; framenum++) {
1888 fdata = frame_data_sequence_find(cf->frames, framenum);
1890 if (wtap_seek_read(cf->wth, fdata->file_off,
1891 &buf, fdata->cap_len, &err, &err_info)) {
1892 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1895 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1900 epan_dissect_free(edt);
1909 if (do_dissection) {
1910 gboolean create_proto_tree;
1912 if (cf->rfcode || cf->dfcode || print_details || filtering_tap_listeners ||
1913 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1914 create_proto_tree = TRUE;
1916 create_proto_tree = FALSE;
1918 /* The protocol tree will be "visible", i.e., printed, only if we're
1919 printing packet details, which is true if we're printing stuff
1920 ("print_packet_info" is true) and we're in verbose mode
1921 ("packet_details" is true). */
1922 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1925 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1929 process_packet(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1930 raw_data, tap_flags);
1932 /* Stop reading if we have the maximum number of packets;
1933 * When the -c option has not been used, max_packet_count
1934 * starts at 0, which practically means, never stop reading.
1935 * (unless we roll over max_packet_count ?)
1937 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1938 err = 0; /* This is not an error */
1944 epan_dissect_free(edt);
1951 * Print a message noting that the read failed somewhere along the line.
1953 * If we're printing packet data, and the standard output and error are
1954 * going to the same place, flush the standard output, so everything
1955 * buffered up is written, and then print a newline to the standard error
1956 * before printing the error message, to separate it from the packet
1957 * data. (Alas, that only works on UN*X; st_dev is meaningless, and
1958 * the _fstat() documentation at Microsoft doesn't indicate whether
1959 * st_ino is even supported.)
1962 if (print_packet_info) {
1963 struct stat stat_stdout, stat_stderr;
1965 if (fstat(1, &stat_stdout) == 0 && fstat(2, &stat_stderr) == 0) {
1966 if (stat_stdout.st_dev == stat_stderr.st_dev &&
1967 stat_stdout.st_ino == stat_stderr.st_ino) {
1969 fprintf(stderr, "\n");
1976 case FTAP_ERR_UNSUPPORTED:
1977 cmdarg_err("The file \"%s\" contains record data that TFShark doesn't support.\n(%s)",
1978 cf->filename, err_info);
1982 case FTAP_ERR_UNSUPPORTED_ENCAP:
1983 cmdarg_err("The file \"%s\" has a packet with a network type that TFShark doesn't support.\n(%s)",
1984 cf->filename, err_info);
1988 case FTAP_ERR_CANT_READ:
1989 cmdarg_err("An attempt to read from the file \"%s\" failed for some unknown reason.",
1993 case FTAP_ERR_SHORT_READ:
1994 cmdarg_err("The file \"%s\" appears to have been cut short in the middle of a packet.",
1998 case FTAP_ERR_BAD_FILE:
1999 cmdarg_err("The file \"%s\" appears to be damaged or corrupt.\n(%s)",
2000 cf->filename, err_info);
2004 case FTAP_ERR_DECOMPRESS:
2005 cmdarg_err("The compressed file \"%s\" appears to be damaged or corrupt.\n"
2006 "(%s)", cf->filename, err_info);
2010 cmdarg_err("An error occurred while reading the file \"%s\": %s.",
2011 cf->filename, ftap_strerror(err));
2015 if (print_packet_info) {
2016 if (!write_finale()) {
2018 show_print_file_io_error(err);
2024 wtap_close(cf->wth);
2031 process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
2032 struct wtap_pkthdr *whdr, const guchar *pd, guint tap_flags)
2038 /* Count this packet. */
2041 /* If we're not running a display filter and we're not printing any
2042 packet information, we don't need to do a dissection. This means
2043 that all packets can be marked as 'passed'. */
2046 frame_data_init(&fdata, cf->count, whdr, offset, cum_bytes);
2048 /* If we're going to print packet information, or we're going to
2049 run a read filter, or we're going to process taps, set up to
2050 do a dissection and do so. */
2052 /* If we're running a filter, prime the epan_dissect_t with that
2055 epan_dissect_prime_dfilter(edt, cf->dfcode);
2057 col_custom_prime_edt(edt, &cf->cinfo);
2059 /* We only need the columns if either
2060 1) some tap needs the columns
2062 2) we're printing packet info but we're *not* verbose; in verbose
2063 mode, we print the protocol tree, not the protocol summary.
2065 3) there is a column mapped as an individual field */
2066 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary) || output_fields_has_cols(output_fields))
2071 frame_data_set_before_dissect(&fdata, &cf->elapsed_time,
2073 if (ref == &fdata) {
2078 epan_dissect_file_run_with_taps(edt, whdr, frame_tvbuff_new(&fdata, pd), &fdata, cinfo);
2080 /* Run the filter if we have it. */
2082 passed = dfilter_apply_edt(cf->dfcode, edt);
2086 frame_data_set_after_dissect(&fdata, &cum_bytes);
2088 /* Process this packet. */
2089 if (print_packet_info) {
2090 /* We're printing packet information; print the information for
2092 print_packet(cf, edt);
2094 /* The ANSI C standard does not appear to *require* that a line-buffered
2095 stream be flushed to the host environment whenever a newline is
2096 written, it just says that, on such a stream, characters "are
2097 intended to be transmitted to or from the host environment as a
2098 block when a new-line character is encountered".
2100 The Visual C++ 6.0 C implementation doesn't do what is intended;
2101 even if you set a stream to be line-buffered, it still doesn't
2102 flush the buffer at the end of every line.
2104 So, if the "-l" flag was specified, we flush the standard output
2105 at the end of a packet. This will do the right thing if we're
2106 printing packet summary lines, and, as we print the entire protocol
2107 tree for a single packet without waiting for anything to happen,
2108 it should be as good as line-buffered mode if we're printing
2109 protocol trees. (The whole reason for the "-l" flag in either
2110 tcpdump or TShark is to allow the output of a live capture to
2111 be piped to a program or script and to have that script see the
2112 information for the packet as soon as it's printed, rather than
2113 having to wait until a standard I/O buffer fills up. */
2117 if (ferror(stdout)) {
2118 show_print_file_io_error(errno);
2123 /* this must be set after print_packet() [bug #8160] */
2124 prev_dis_frame = fdata;
2125 prev_dis = &prev_dis_frame;
2128 prev_cap_frame = fdata;
2129 prev_cap = &prev_cap_frame;
2132 epan_dissect_reset(edt);
2133 frame_data_destroy(&fdata);
2139 write_preamble(capture_file *cf)
2141 switch (output_action) {
2144 return print_preamble(print_stream, cf ? cf->filename : NULL, get_ws_vcs_version_info());
2148 write_pdml_preamble(stdout, cf ? cf->filename : NULL);
2150 write_psml_preamble(stdout);
2151 return !ferror(stdout);
2154 write_fields_preamble(output_fields, stdout);
2155 return !ferror(stdout);
2158 g_assert_not_reached();
2164 get_line_buf(size_t len)
2166 static char *line_bufp = NULL;
2167 static size_t line_buf_len = 256;
2168 size_t new_line_buf_len;
2170 for (new_line_buf_len = line_buf_len; len > new_line_buf_len;
2171 new_line_buf_len *= 2)
2173 if (line_bufp == NULL) {
2174 line_buf_len = new_line_buf_len;
2175 line_bufp = (char *)g_malloc(line_buf_len + 1);
2177 if (new_line_buf_len > line_buf_len) {
2178 line_buf_len = new_line_buf_len;
2179 line_bufp = (char *)g_realloc(line_bufp, line_buf_len + 1);
2186 put_string(char *dest, const char *str, size_t str_len)
2188 memcpy(dest, str, str_len);
2189 dest[str_len] = '\0';
2193 put_spaces_string(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2197 for (i = str_len; i < str_with_spaces; i++)
2200 put_string(dest, str, str_len);
2204 put_string_spaces(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2208 memcpy(dest, str, str_len);
2209 for (i = str_len; i < str_with_spaces; i++)
2212 dest[str_with_spaces] = '\0';
2216 print_columns(capture_file *cf)
2224 line_bufp = get_line_buf(256);
2227 for (i = 0; i < cf->cinfo.num_cols; i++) {
2228 /* Skip columns not marked as visible. */
2229 if (!get_column_visible(i))
2231 switch (cf->cinfo.col_fmt[i]) {
2233 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2236 line_bufp = get_line_buf(buf_offset + column_len);
2237 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2243 case COL_ABS_YMD_TIME: /* XXX - wider */
2244 case COL_ABS_YDOY_TIME: /* XXX - wider */
2246 case COL_UTC_YMD_TIME: /* XXX - wider */
2247 case COL_UTC_YDOY_TIME: /* XXX - wider */
2248 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2249 if (column_len < 10)
2251 line_bufp = get_line_buf(buf_offset + column_len);
2252 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2258 case COL_DEF_DL_SRC:
2259 case COL_RES_DL_SRC:
2260 case COL_UNRES_DL_SRC:
2261 case COL_DEF_NET_SRC:
2262 case COL_RES_NET_SRC:
2263 case COL_UNRES_NET_SRC:
2264 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2265 if (column_len < 12)
2267 line_bufp = get_line_buf(buf_offset + column_len);
2268 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2274 case COL_DEF_DL_DST:
2275 case COL_RES_DL_DST:
2276 case COL_UNRES_DL_DST:
2277 case COL_DEF_NET_DST:
2278 case COL_RES_NET_DST:
2279 case COL_UNRES_NET_DST:
2280 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2281 if (column_len < 12)
2283 line_bufp = get_line_buf(buf_offset + column_len);
2284 put_string_spaces(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2288 column_len = strlen(cf->cinfo.col_data[i]);
2289 line_bufp = get_line_buf(buf_offset + column_len);
2290 put_string(line_bufp + buf_offset, cf->cinfo.col_data[i], column_len);
2293 buf_offset += column_len;
2294 if (i != cf->cinfo.num_cols - 1) {
2296 * This isn't the last column, so we need to print a
2297 * separator between this column and the next.
2299 * If we printed a network source and are printing a
2300 * network destination of the same type next, separate
2301 * them with " -> "; if we printed a network destination
2302 * and are printing a network source of the same type
2303 * next, separate them with " <- "; otherwise separate them
2306 * We add enough space to the buffer for " <- " or " -> ",
2307 * even if we're only adding " ".
2309 line_bufp = get_line_buf(buf_offset + 4);
2310 switch (cf->cinfo.col_fmt[i]) {
2315 switch (cf->cinfo.col_fmt[i + 1]) {
2320 put_string(line_bufp + buf_offset, " -> ", 4);
2325 put_string(line_bufp + buf_offset, " ", 1);
2331 case COL_DEF_DL_SRC:
2332 case COL_RES_DL_SRC:
2333 case COL_UNRES_DL_SRC:
2334 switch (cf->cinfo.col_fmt[i + 1]) {
2336 case COL_DEF_DL_DST:
2337 case COL_RES_DL_DST:
2338 case COL_UNRES_DL_DST:
2339 put_string(line_bufp + buf_offset, " -> ", 4);
2344 put_string(line_bufp + buf_offset, " ", 1);
2350 case COL_DEF_NET_SRC:
2351 case COL_RES_NET_SRC:
2352 case COL_UNRES_NET_SRC:
2353 switch (cf->cinfo.col_fmt[i + 1]) {
2355 case COL_DEF_NET_DST:
2356 case COL_RES_NET_DST:
2357 case COL_UNRES_NET_DST:
2358 put_string(line_bufp + buf_offset, " -> ", 4);
2363 put_string(line_bufp + buf_offset, " ", 1);
2372 switch (cf->cinfo.col_fmt[i + 1]) {
2377 put_string(line_bufp + buf_offset, " <- ", 4);
2382 put_string(line_bufp + buf_offset, " ", 1);
2388 case COL_DEF_DL_DST:
2389 case COL_RES_DL_DST:
2390 case COL_UNRES_DL_DST:
2391 switch (cf->cinfo.col_fmt[i + 1]) {
2393 case COL_DEF_DL_SRC:
2394 case COL_RES_DL_SRC:
2395 case COL_UNRES_DL_SRC:
2396 put_string(line_bufp + buf_offset, " <- ", 4);
2401 put_string(line_bufp + buf_offset, " ", 1);
2407 case COL_DEF_NET_DST:
2408 case COL_RES_NET_DST:
2409 case COL_UNRES_NET_DST:
2410 switch (cf->cinfo.col_fmt[i + 1]) {
2412 case COL_DEF_NET_SRC:
2413 case COL_RES_NET_SRC:
2414 case COL_UNRES_NET_SRC:
2415 put_string(line_bufp + buf_offset, " <- ", 4);
2420 put_string(line_bufp + buf_offset, " ", 1);
2427 put_string(line_bufp + buf_offset, " ", 1);
2433 return print_line(print_stream, 0, line_bufp);
2437 print_packet(capture_file *cf, epan_dissect_t *edt)
2439 print_args_t print_args;
2441 if (print_summary || output_fields_has_cols(output_fields)) {
2442 /* Just fill in the columns. */
2443 epan_dissect_fill_in_columns(edt, FALSE, TRUE);
2445 if (print_summary) {
2446 /* Now print them. */
2447 switch (output_action) {
2450 if (!print_columns(cf))
2455 proto_tree_write_psml(edt, stdout);
2456 return !ferror(stdout);
2457 case WRITE_FIELDS: /*No non-verbose "fields" format */
2458 g_assert_not_reached();
2463 if (print_details) {
2464 /* Print the information in the protocol tree. */
2465 switch (output_action) {
2468 /* Only initialize the fields that are actually used in proto_tree_print.
2469 * This is particularly important for .range, as that's heap memory which
2470 * we would otherwise have to g_free().
2471 print_args.to_file = TRUE;
2472 print_args.format = print_format;
2473 print_args.print_summary = print_summary;
2474 print_args.print_formfeed = FALSE;
2475 packet_range_init(&print_args.range, &cfile);
2477 print_args.print_hex = print_hex;
2478 print_args.print_dissections = print_details ? print_dissections_expanded : print_dissections_none;
2480 if (!proto_tree_print(&print_args, edt, print_stream))
2483 if (!print_line(print_stream, 0, separator))
2489 proto_tree_write_pdml(edt, stdout);
2491 return !ferror(stdout);
2493 proto_tree_write_fields(output_fields, edt, &cf->cinfo, stdout);
2495 return !ferror(stdout);
2499 if (print_summary || print_details) {
2500 if (!print_line(print_stream, 0, ""))
2503 if (!print_hex_data(print_stream, edt))
2505 if (!print_line(print_stream, 0, separator))
2514 switch (output_action) {
2517 return print_finale(print_stream);
2521 write_pdml_finale(stdout);
2523 write_psml_finale(stdout);
2524 return !ferror(stdout);
2527 write_fields_finale(output_fields, stdout);
2528 return !ferror(stdout);
2531 g_assert_not_reached();
2537 cf_open(capture_file *cf, const char *fname, unsigned int type, gboolean is_tempfile, int *err)
2545 char err_msg[2048+1];
2548 fth = ftap_open_offline(fname, err, &err_info, perform_two_pass_analysis);
2552 wth = wtap_open_offline(fname, type, err, &err_info, perform_two_pass_analysis);
2557 /* The open succeeded. Fill in the information for this file. */
2559 /* Create new epan session for dissection. */
2560 epan_free(cf->epan);
2561 cf->epan = tfshark_epan_new(cf);
2564 cf->wth = (struct wtap*)fth; /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2568 cf->f_datalen = 0; /* not used, but set it anyway */
2570 /* Set the file name because we need it to set the follow stream filter.
2571 XXX - is that still true? We need it for other reasons, though,
2573 cf->filename = g_strdup(fname);
2575 /* Indicate whether it's a permanent or temporary file. */
2576 cf->is_tempfile = is_tempfile;
2578 /* No user changes yet. */
2579 cf->unsaved_changes = FALSE;
2581 cf->cd_t = ftap_file_type_subtype((struct ftap*)cf->wth); /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2582 cf->open_type = type;
2584 cf->drops_known = FALSE;
2586 cf->snap = ftap_snapshot_length((struct ftap*)cf->wth); /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2587 if (cf->snap == 0) {
2588 /* Snapshot length not known. */
2589 cf->has_snap = FALSE;
2590 cf->snap = FTAP_MAX_RECORD_SIZE;
2592 cf->has_snap = TRUE;
2593 nstime_set_zero(&cf->elapsed_time);
2598 cf->state = FILE_READ_IN_PROGRESS;
2603 g_snprintf(err_msg, sizeof err_msg,
2604 cf_open_error_message(*err, err_info, FALSE, cf->cd_t), fname);
2605 cmdarg_err("%s", err_msg);
2610 show_print_file_io_error(int err)
2615 cmdarg_err("Not all the packets could be printed because there is "
2616 "no space left on the file system.");
2621 cmdarg_err("Not all the packets could be printed because you are "
2622 "too close to, or over your disk quota.");
2627 cmdarg_err("An error occurred while printing packets: %s.",
2634 cf_open_error_message(int err, gchar *err_info, gboolean for_writing,
2638 static char errmsg_errno[1024+1];
2641 /* Wiretap error. */
2644 case FTAP_ERR_NOT_REGULAR_FILE:
2645 errmsg = "The file \"%s\" is a \"special file\" or socket or other non-regular file.";
2648 case FTAP_ERR_RANDOM_OPEN_PIPE:
2649 /* Seen only when opening a capture file for reading. */
2650 errmsg = "The file \"%s\" is a pipe or FIFO; TFShark can't read pipe or FIFO files in two-pass mode.";
2653 case FTAP_ERR_FILE_UNKNOWN_FORMAT:
2654 /* Seen only when opening a capture file for reading. */
2655 errmsg = "The file \"%s\" isn't a capture file in a format TFShark understands.";
2658 case FTAP_ERR_UNSUPPORTED:
2659 /* Seen only when opening a capture file for reading. */
2660 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2661 "The file \"%%s\" isn't a capture file in a format TFShark understands.\n"
2664 errmsg = errmsg_errno;
2667 case FTAP_ERR_CANT_WRITE_TO_PIPE:
2668 /* Seen only when opening a capture file for writing. */
2669 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2670 "The file \"%%s\" is a pipe, and \"%s\" capture files can't be "
2671 "written to a pipe.", ftap_file_type_subtype_short_string(file_type));
2672 errmsg = errmsg_errno;
2675 case FTAP_ERR_UNSUPPORTED_FILE_TYPE:
2676 /* Seen only when opening a capture file for writing. */
2677 errmsg = "TFShark doesn't support writing capture files in that format.";
2680 case FTAP_ERR_UNSUPPORTED_ENCAP:
2682 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2683 "TFShark can't save this capture as a \"%s\" file.",
2684 ftap_file_type_subtype_short_string(file_type));
2686 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2687 "The file \"%%s\" is a capture for a network type that TFShark doesn't support.\n"
2691 errmsg = errmsg_errno;
2694 case FTAP_ERR_ENCAP_PER_RECORD_UNSUPPORTED:
2696 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2697 "TFShark can't save this capture as a \"%s\" file.",
2698 ftap_file_type_subtype_short_string(file_type));
2699 errmsg = errmsg_errno;
2701 errmsg = "The file \"%s\" is a capture for a network type that TFShark doesn't support.";
2704 case FTAP_ERR_BAD_FILE:
2705 /* Seen only when opening a capture file for reading. */
2706 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2707 "The file \"%%s\" appears to be damaged or corrupt.\n"
2710 errmsg = errmsg_errno;
2713 case FTAP_ERR_CANT_OPEN:
2715 errmsg = "The file \"%s\" could not be created for some unknown reason.";
2717 errmsg = "The file \"%s\" could not be opened for some unknown reason.";
2720 case FTAP_ERR_SHORT_READ:
2721 errmsg = "The file \"%s\" appears to have been cut short"
2722 " in the middle of a packet or other data.";
2725 case FTAP_ERR_SHORT_WRITE:
2726 errmsg = "A full header couldn't be written to the file \"%s\".";
2729 case FTAP_ERR_COMPRESSION_NOT_SUPPORTED:
2730 errmsg = "This file type cannot be written as a compressed file.";
2733 case FTAP_ERR_DECOMPRESS:
2734 /* Seen only when opening a capture file for reading. */
2735 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2736 "The compressed file \"%%s\" appears to be damaged or corrupt.\n"
2739 errmsg = errmsg_errno;
2743 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2744 "The file \"%%s\" could not be %s: %s.",
2745 for_writing ? "created" : "opened",
2746 ftap_strerror(err));
2747 errmsg = errmsg_errno;
2751 errmsg = file_open_error_message(err, for_writing);
2756 * Open/create errors are reported with an console message in TFShark.
2759 open_failure_message(const char *filename, int err, gboolean for_writing)
2761 fprintf(stderr, "tfshark: ");
2762 fprintf(stderr, file_open_error_message(err, for_writing), filename);
2763 fprintf(stderr, "\n");
2768 * General errors are reported with an console message in TFShark.
2771 failure_message(const char *msg_format, va_list ap)
2773 fprintf(stderr, "tfshark: ");
2774 vfprintf(stderr, msg_format, ap);
2775 fprintf(stderr, "\n");
2779 * Read errors are reported with an console message in TFShark.
2782 read_failure_message(const char *filename, int err)
2784 cmdarg_err("An error occurred while reading from the file \"%s\": %s.",
2785 filename, g_strerror(err));
2789 * Write errors are reported with an console message in TFShark.
2792 write_failure_message(const char *filename, int err)
2794 cmdarg_err("An error occurred while writing to the file \"%s\": %s.",
2795 filename, g_strerror(err));
2799 * Report additional information for an error in command-line arguments.
2802 failure_message_cont(const char *msg_format, va_list ap)
2804 vfprintf(stderr, msg_format, ap);
2805 fprintf(stderr, "\n");
2809 * Editor modelines - http://www.wireshark.org/tools/modelines.html
2814 * indent-tabs-mode: nil
2817 * vi: set shiftwidth=2 tabstop=8 expandtab:
2818 * :indentSize=2:tabSize=8:noTabs=true: