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 "wsutil/wsgetopt.h"
59 #include <epan/exceptions.h>
60 #include <epan/epan-int.h>
61 #include <epan/epan.h>
62 #include <wsutil/crash_info.h>
63 #include <wsutil/privileges.h>
64 #include <wsutil/file_util.h>
65 #include <wsutil/filesystem.h>
66 #include <wsutil/report_err.h>
69 #include <epan/timestamp.h>
70 #include <epan/packet.h>
72 #include <epan/wslua/init_wslua.h>
75 #include "frame_tvbuff.h"
76 #include <epan/disabled_protos.h>
77 #include <epan/prefs.h>
78 #include <epan/column.h>
79 #include <epan/print.h>
80 #include <epan/addr_resolv.h>
82 #include "clopts_common.h"
83 #include "cmdarg_err.h"
84 #include "version_info.h"
86 #include <epan/epan_dissect.h>
88 #include <epan/stat_cmd_args.h>
89 #include <epan/timestamp.h>
90 #include <epan/ex-opt.h>
91 #include <filetap/ftap.h>
92 #include <wiretap/wtap-int.h>
93 #include <wiretap/file_wrappers.h>
96 #include <wsutil/unicode-utils.h>
100 #include <epan/funnel.h>
103 #include <wsutil/plugins.h>
107 * This is the template for the decode as option; it is shared between the
108 * various functions that output the usage for this parameter.
110 static const gchar decode_as_arg_template[] = "<layer_type>==<selector>,<decode_as_protocol>";
112 static guint32 cum_bytes;
113 static const frame_data *ref;
114 static frame_data ref_frame;
115 static frame_data *prev_dis;
116 static frame_data prev_dis_frame;
117 static frame_data *prev_cap;
118 static frame_data prev_cap_frame;
120 static const char* prev_display_dissector_name = NULL;
122 static gboolean perform_two_pass_analysis;
125 * The way the packet decode is to be written.
128 WRITE_TEXT, /* summary or detail text */
129 WRITE_XML, /* PDML or PSML */
130 WRITE_FIELDS /* User defined list of fields */
131 /* Add CSV and the like here */
134 static output_action_e output_action;
135 static gboolean do_dissection; /* TRUE if we have to dissect each packet */
136 static gboolean print_packet_info; /* TRUE if we're to print packet information */
137 static gint print_summary = -1; /* TRUE if we're to print packet summary information */
138 static gboolean print_details; /* TRUE if we're to print packet details information */
139 static gboolean print_hex; /* TRUE if we're to print hex/ascci information */
140 static gboolean line_buffered;
141 static gboolean really_quiet = FALSE;
143 static print_format_e print_format = PR_FMT_TEXT;
144 static print_stream_t *print_stream;
146 static output_fields_t* output_fields = NULL;
148 /* The line separator used between packets, changeable via the -S option */
149 static const char *separator = "";
151 static int load_cap_file(capture_file *, int, gint64);
152 static gboolean process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
153 struct wtap_pkthdr *whdr, const guchar *pd, guint tap_flags);
154 static void show_print_file_io_error(int err);
155 static gboolean write_preamble(capture_file *cf);
156 static gboolean print_packet(capture_file *cf, epan_dissect_t *edt);
157 static gboolean write_finale(void);
158 static const char *cf_open_error_message(int err, gchar *err_info,
159 gboolean for_writing, int file_type);
161 static void open_failure_message(const char *filename, int err,
162 gboolean for_writing);
163 static void failure_message(const char *msg_format, va_list ap);
164 static void read_failure_message(const char *filename, int err);
165 static void write_failure_message(const char *filename, int err);
171 const char *sstr; /* The short string */
172 const char *lstr; /* The long string */
176 string_compare(gconstpointer a, gconstpointer b)
178 return strcmp(((const struct string_elem *)a)->sstr,
179 ((const struct string_elem *)b)->sstr);
183 string_elem_print(gpointer data, gpointer not_used _U_)
185 fprintf(stderr, " %s - %s\n",
186 ((struct string_elem *)data)->sstr,
187 ((struct string_elem *)data)->lstr);
192 print_usage(gboolean print_ver)
199 "TFShark " VERSION "%s\n"
200 "Dump and analyze network traffic.\n"
201 "See http://www.wireshark.org for more information.\n"
204 wireshark_gitversion, get_copyright_info());
208 fprintf(output, "\n");
209 fprintf(output, "Usage: tfshark [options] ...\n");
210 fprintf(output, "\n");
212 /*fprintf(output, "\n");*/
213 fprintf(output, "Input file:\n");
214 fprintf(output, " -r <infile> set the filename to read from (no pipes or stdin!)\n");
216 fprintf(output, "\n");
217 fprintf(output, "Processing:\n");
218 fprintf(output, " -2 perform a two-pass analysis\n");
219 fprintf(output, " -R <read filter> packet Read filter in Wireshark display filter syntax\n");
220 fprintf(output, " -Y <display filter> packet displaY filter in Wireshark display filter\n");
221 fprintf(output, " syntax\n");
222 fprintf(output, " -d %s ...\n", decode_as_arg_template);
223 fprintf(output, " \"Decode As\", see the man page for details\n");
224 fprintf(output, " Example: tcp.port==8888,http\n");
226 /*fprintf(output, "\n");*/
227 fprintf(output, "Output:\n");
228 fprintf(output, " -C <config profile> start with specified configuration profile\n");
229 fprintf(output, " -V add output of packet tree (Packet Details)\n");
230 fprintf(output, " -O <protocols> Only show packet details of these protocols, comma\n");
231 fprintf(output, " separated\n");
232 fprintf(output, " -S <separator> the line separator to print between packets\n");
233 fprintf(output, " -x add output of hex and ASCII dump (Packet Bytes)\n");
234 fprintf(output, " -T pdml|ps|psml|text|fields\n");
235 fprintf(output, " format of text output (def: text)\n");
236 fprintf(output, " -e <field> field to print if -Tfields selected (e.g. tcp.port,\n");
237 fprintf(output, " _ws.col.Info)\n");
238 fprintf(output, " this option can be repeated to print multiple fields\n");
239 fprintf(output, " -E<fieldsoption>=<value> set options for output when -Tfields selected:\n");
240 fprintf(output, " header=y|n switch headers on and off\n");
241 fprintf(output, " separator=/t|/s|<char> select tab, space, printable character as separator\n");
242 fprintf(output, " occurrence=f|l|a print first, last or all occurrences of each field\n");
243 fprintf(output, " aggregator=,|/s|<char> select comma, space, printable character as\n");
244 fprintf(output, " aggregator\n");
245 fprintf(output, " quote=d|s|n select double, single, no quotes for values\n");
246 fprintf(output, " -t a|ad|d|dd|e|r|u|ud output format of time stamps (def: r: rel. to first)\n");
247 fprintf(output, " -u s|hms output format of seconds (def: s: seconds)\n");
248 fprintf(output, " -l flush standard output after each packet\n");
249 fprintf(output, " -q be more quiet on stdout (e.g. when using statistics)\n");
250 fprintf(output, " -Q only log true errors to stderr (quieter than -q)\n");
251 fprintf(output, " -X <key>:<value> eXtension options, see the man page for details\n");
252 fprintf(output, " -z <statistics> various statistics, see the man page for details\n");
254 fprintf(output, "\n");
255 fprintf(output, "Miscellaneous:\n");
256 fprintf(output, " -h display this help and exit\n");
257 fprintf(output, " -v display version info and exit\n");
258 fprintf(output, " -o <name>:<value> ... override preference setting\n");
259 fprintf(output, " -K <keytab> keytab file to use for kerberos decryption\n");
260 fprintf(output, " -G [report] dump one of several available reports and exit\n");
261 fprintf(output, " default report=\"fields\"\n");
262 fprintf(output, " use \"-G ?\" for more help\n");
266 glossary_option_help(void)
272 fprintf(output, "TFShark " VERSION "%s\n", wireshark_gitversion);
274 fprintf(output, "\n");
275 fprintf(output, "Usage: tfshark -G [report]\n");
276 fprintf(output, "\n");
277 fprintf(output, "Glossary table reports:\n");
278 fprintf(output, " -G column-formats dump column format codes and exit\n");
279 fprintf(output, " -G decodes dump \"layer type\"/\"decode as\" associations and exit\n");
280 fprintf(output, " -G fields dump fields glossary and exit\n");
281 fprintf(output, " -G ftypes dump field type basic and descriptive names\n");
282 fprintf(output, " -G heuristic-decodes dump heuristic dissector tables\n");
283 fprintf(output, " -G plugins dump installed plugins and exit\n");
284 fprintf(output, " -G protocols dump protocols in registration database and exit\n");
285 fprintf(output, " -G values dump value, range, true/false strings and exit\n");
286 fprintf(output, "\n");
287 fprintf(output, "Preference reports:\n");
288 fprintf(output, " -G currentprefs dump current preferences and exit\n");
289 fprintf(output, " -G defaultprefs dump default preferences and exit\n");
290 fprintf(output, "\n");
294 * For a dissector table, print on the stream described by output,
295 * its short name (which is what's used in the "-d" option) and its
299 display_dissector_table_names(const char *table_name, const char *ui_name,
302 if ((prev_display_dissector_name == NULL) ||
303 (strcmp(prev_display_dissector_name, table_name) != 0)) {
304 fprintf((FILE *)output, "\t%s (%s)\n", table_name, ui_name);
305 prev_display_dissector_name = table_name;
310 * For a dissector handle, print on the stream described by output,
311 * the filter name (which is what's used in the "-d" option) and the full
312 * name for the protocol that corresponds to this handle.
315 display_dissector_names(const gchar *table _U_, gpointer handle, gpointer output)
318 const gchar *proto_filter_name;
319 const gchar *proto_ui_name;
321 proto_id = dissector_handle_get_protocol_index((dissector_handle_t)handle);
323 if (proto_id != -1) {
324 proto_filter_name = proto_get_protocol_filter_name(proto_id);
325 proto_ui_name = proto_get_protocol_name(proto_id);
326 g_assert(proto_filter_name != NULL);
327 g_assert(proto_ui_name != NULL);
329 if ((prev_display_dissector_name == NULL) ||
330 (strcmp(prev_display_dissector_name, proto_filter_name) != 0)) {
331 fprintf((FILE *)output, "\t%s (%s)\n",
334 prev_display_dissector_name = proto_filter_name;
340 * The protocol_name_search structure is used by find_protocol_name_func()
341 * to pass parameters and store results
343 struct protocol_name_search{
344 gchar *searched_name; /* Protocol filter name we are looking for */
345 dissector_handle_t matched_handle; /* Handle for a dissector whose protocol has the specified filter name */
346 guint nb_match; /* How many dissectors matched searched_name */
348 typedef struct protocol_name_search *protocol_name_search_t;
351 * This function parses all dissectors associated with a table to find the
352 * one whose protocol has the specified filter name. It is called
353 * as a reference function in a call to dissector_table_foreach_handle.
354 * The name we are looking for, as well as the results, are stored in the
355 * protocol_name_search struct pointed to by user_data.
356 * If called using dissector_table_foreach_handle, we actually parse the
357 * whole list of dissectors.
360 find_protocol_name_func(const gchar *table _U_, gpointer handle, gpointer user_data)
364 const gchar *protocol_filter_name;
365 protocol_name_search_t search_info;
369 search_info = (protocol_name_search_t)user_data;
371 proto_id = dissector_handle_get_protocol_index((dissector_handle_t)handle);
372 if (proto_id != -1) {
373 protocol_filter_name = proto_get_protocol_filter_name(proto_id);
374 g_assert(protocol_filter_name != NULL);
375 if (strcmp(protocol_filter_name, search_info->searched_name) == 0) {
377 if (search_info->nb_match == 0) {
378 /* Record this handle only if this is the first match */
379 search_info->matched_handle = (dissector_handle_t)handle; /* Record the handle for this matching dissector */
381 search_info->nb_match++;
387 * Allow dissector key names to be sorted alphabetically
391 compare_dissector_key_name(gconstpointer dissector_a, gconstpointer dissector_b)
393 return strcmp((const char*)dissector_a, (const char*)dissector_b);
397 * Print all layer type names supported.
398 * We send the output to the stream described by the handle output.
402 fprint_all_layer_types(FILE *output)
405 prev_display_dissector_name = NULL;
406 dissector_all_tables_foreach_table(display_dissector_table_names, (gpointer)output, (GCompareFunc)compare_dissector_key_name);
410 * Print all protocol names supported for a specific layer type.
411 * table_name contains the layer type name in which the search is performed.
412 * We send the output to the stream described by the handle output.
416 fprint_all_protocols_for_layer_types(FILE *output, gchar *table_name)
419 prev_display_dissector_name = NULL;
420 dissector_table_foreach_handle(table_name,
421 display_dissector_names,
426 * The function below parses the command-line parameters for the decode as
427 * feature (a string pointer by cl_param).
428 * It checks the format of the command-line, searches for a matching table
429 * and dissector. If a table/dissector match is not found, we display a
430 * summary of the available tables/dissectors (on stderr) and return FALSE.
431 * If everything is fine, we get the "Decode as" preference activated,
432 * then we return TRUE.
435 add_decode_as(const gchar *cl_param)
438 guint32 selector, selector2;
439 gchar *decoded_param;
440 gchar *remaining_param;
442 gchar *dissector_str;
443 dissector_handle_t dissector_matching;
444 dissector_table_t table_matching;
445 ftenum_t dissector_table_selector_type;
446 struct protocol_name_search user_protocol_name;
450 /* The following code will allocate and copy the command-line options in a string pointed by decoded_param */
453 decoded_param = g_strdup(cl_param);
454 g_assert(decoded_param);
457 /* The lines below will parse this string (modifying it) to extract all
458 necessary information. Note that decoded_param is still needed since
459 strings are not copied - we just save pointers. */
461 /* This section extracts a layer type (table_name) from decoded_param */
462 table_name = decoded_param; /* Layer type string starts from beginning */
464 remaining_param = strchr(table_name, '=');
465 if (remaining_param == NULL) {
466 cmdarg_err("Parameter \"%s\" doesn't follow the template \"%s\"", cl_param, decode_as_arg_template);
467 /* If the argument does not follow the template, carry on anyway to check
468 if the table name is at least correct. If remaining_param is NULL,
469 we'll exit anyway further down */
472 *remaining_param = '\0'; /* Terminate the layer type string (table_name) where '=' was detected */
475 /* Remove leading and trailing spaces from the table name */
476 while ( table_name[0] == ' ' )
478 while ( table_name[strlen(table_name) - 1] == ' ' )
479 table_name[strlen(table_name) - 1] = '\0'; /* Note: if empty string, while loop will eventually exit */
481 /* The following part searches a table matching with the layer type specified */
482 table_matching = NULL;
484 /* Look for the requested table */
485 if ( !(*(table_name)) ) { /* Is the table name empty, if so, don't even search for anything, display a message */
486 cmdarg_err("No layer type specified"); /* Note, we don't exit here, but table_matching will remain NULL, so we exit below */
489 table_matching = find_dissector_table(table_name);
490 if (!table_matching) {
491 cmdarg_err("Unknown layer type -- %s", table_name); /* Note, we don't exit here, but table_matching will remain NULL, so we exit below */
495 if (!table_matching) {
496 /* Display a list of supported layer types to help the user, if the
497 specified layer type was not found */
498 cmdarg_err("Valid layer types are:");
499 fprint_all_layer_types(stderr);
501 if (remaining_param == NULL || !table_matching) {
502 /* Exit if the layer type was not found, or if no '=' separator was found
504 g_free(decoded_param);
508 if (*(remaining_param + 1) != '=') { /* Check for "==" and not only '=' */
509 cmdarg_err("WARNING: -d requires \"==\" instead of \"=\". Option will be treated as \"%s==%s\"", table_name, remaining_param + 1);
512 remaining_param++; /* Move to the second '=' */
513 *remaining_param = '\0'; /* Remove the second '=' */
515 remaining_param++; /* Position after the layer type string */
517 /* This section extracts a selector value (selector_str) from decoded_param */
519 selector_str = remaining_param; /* Next part starts with the selector number */
521 remaining_param = strchr(selector_str, ',');
522 if (remaining_param == NULL) {
523 cmdarg_err("Parameter \"%s\" doesn't follow the template \"%s\"", cl_param, decode_as_arg_template);
524 /* If the argument does not follow the template, carry on anyway to check
525 if the selector value is at least correct. If remaining_param is NULL,
526 we'll exit anyway further down */
529 *remaining_param = '\0'; /* Terminate the selector number string (selector_str) where ',' was detected */
532 dissector_table_selector_type = get_dissector_table_selector_type(table_name);
534 switch (dissector_table_selector_type) {
540 /* The selector for this table is an unsigned number. Parse it as such.
541 There's no need to remove leading and trailing spaces from the
542 selector number string, because sscanf will do that for us. */
543 switch (sscanf(selector_str, "%u%c%u", &selector, &op, &selector2)) {
548 if (op != ':' && op != '-') {
549 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
550 g_free(decoded_param);
554 if ((selector2 == 0) || ((guint64)selector + selector2 - 1) > G_MAXUINT32) {
555 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
556 g_free(decoded_param);
560 else if (selector2 < selector) {
561 /* We could swap them for the user, but maybe it's better to call
562 * this out as an error in case it's not what was intended? */
563 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
564 g_free(decoded_param);
569 cmdarg_err("Invalid selector number \"%s\"", selector_str);
570 g_free(decoded_param);
579 /* The selector for this table is a string. */
583 /* There are currently no dissector tables with any types other
584 than the ones listed above. */
585 g_assert_not_reached();
588 if (remaining_param == NULL) {
589 /* Exit if no ',' separator was found (see above) */
590 cmdarg_err("Valid protocols for layer type \"%s\" are:", table_name);
591 fprint_all_protocols_for_layer_types(stderr, table_name);
592 g_free(decoded_param);
596 remaining_param++; /* Position after the selector number string */
598 /* This section extracts a protocol filter name (dissector_str) from decoded_param */
600 dissector_str = remaining_param; /* All the rest of the string is the dissector (decode as protocol) name */
602 /* Remove leading and trailing spaces from the dissector name */
603 while ( dissector_str[0] == ' ' )
605 while ( dissector_str[strlen(dissector_str) - 1] == ' ' )
606 dissector_str[strlen(dissector_str) - 1] = '\0'; /* Note: if empty string, while loop will eventually exit */
608 dissector_matching = NULL;
610 /* We now have a pointer to the handle for the requested table inside the variable table_matching */
611 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 */
612 cmdarg_err("No protocol name specified"); /* Note, we don't exit here, but dissector_matching will remain NULL, so we exit below */
615 user_protocol_name.nb_match = 0;
616 user_protocol_name.searched_name = dissector_str;
617 user_protocol_name.matched_handle = NULL;
619 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 */
621 if (user_protocol_name.nb_match != 0) {
622 dissector_matching = user_protocol_name.matched_handle;
623 if (user_protocol_name.nb_match > 1) {
624 cmdarg_err("WARNING: Protocol \"%s\" matched %u dissectors, first one will be used", dissector_str, user_protocol_name.nb_match);
628 /* OK, check whether the problem is that there isn't any such
629 protocol, or that there is but it's not specified as a protocol
630 that's valid for that dissector table.
631 Note, we don't exit here, but dissector_matching will remain NULL,
633 if (proto_get_id_by_filter_name(dissector_str) == -1) {
634 /* No such protocol */
635 cmdarg_err("Unknown protocol -- \"%s\"", dissector_str);
637 cmdarg_err("Protocol \"%s\" isn't valid for layer type \"%s\"",
638 dissector_str, table_name);
643 if (!dissector_matching) {
644 cmdarg_err("Valid protocols for layer type \"%s\" are:", table_name);
645 fprint_all_protocols_for_layer_types(stderr, table_name);
646 g_free(decoded_param);
650 /* This is the end of the code that parses the command-line options.
651 All information is now stored in the variables:
655 The above variables that are strings are still pointing to areas within
656 decoded_parm. decoded_parm thus still needs to be kept allocated in
657 until we stop needing these variables
658 decoded_param will be deallocated at each exit point of this function */
661 /* We now have a pointer to the handle for the requested dissector
662 (requested protocol) inside the variable dissector_matching */
663 switch (dissector_table_selector_type) {
669 /* The selector for this table is an unsigned number. */
671 dissector_change_uint(table_name, selector, dissector_matching);
672 } else if (op == ':') {
673 for (i = selector; i < (guint64)selector + selector2; i++) {
674 dissector_change_uint(table_name, (guint32)i, dissector_matching);
676 } else { /* op == '-' */
677 for (i = selector; i <= selector2; i++) {
678 dissector_change_uint(table_name, (guint32)i, dissector_matching);
687 /* The selector for this table is a string. */
688 dissector_change_string(table_name, selector_str, dissector_matching);
692 /* There are currently no dissector tables with any types other
693 than the ones listed above. */
694 g_assert_not_reached();
696 g_free(decoded_param); /* "Decode As" rule has been successfully added */
701 tfshark_log_handler (const gchar *log_domain, GLogLevelFlags log_level,
702 const gchar *message, gpointer user_data)
704 /* ignore log message, if log_level isn't interesting based
705 upon the console log preferences.
706 If the preferences haven't been loaded loaded yet, display the
709 The default console_log_level preference value is such that only
710 ERROR, CRITICAL and WARNING level messages are processed;
711 MESSAGE, INFO and DEBUG level messages are ignored.
713 XXX: Aug 07, 2009: Prior tshark g_log code was hardwired to process only
714 ERROR and CRITICAL level messages so the current code is a behavioral
715 change. The current behavior is the same as in Wireshark.
717 if ((log_level & G_LOG_LEVEL_MASK & prefs.console_log_level) == 0 &&
718 prefs.console_log_level != 0) {
722 g_log_default_handler(log_domain, log_level, message, user_data);
727 print_current_user(void) {
728 gchar *cur_user, *cur_group;
730 if (started_with_special_privs()) {
731 cur_user = get_cur_username();
732 cur_group = get_cur_groupname();
733 fprintf(stderr, "Running as user \"%s\" and group \"%s\".",
734 cur_user, cur_group);
737 if (running_with_special_privs()) {
738 fprintf(stderr, " This could be dangerous.");
740 fprintf(stderr, "\n");
745 show_version(GString *comp_info_str, GString *runtime_info_str)
747 printf("TFShark " VERSION "%s\n"
754 wireshark_gitversion, get_copyright_info(), comp_info_str->str,
755 runtime_info_str->str);
759 main(int argc, char *argv[])
761 GString *comp_info_str;
762 GString *runtime_info_str;
763 char *init_progfile_dir_error;
765 gboolean arg_error = FALSE;
767 char *gpf_path, *pf_path;
768 char *gdp_path, *dp_path;
769 int gpf_open_errno, gpf_read_errno;
770 int pf_open_errno, pf_read_errno;
771 int gdp_open_errno, gdp_read_errno;
772 int dp_open_errno, dp_read_errno;
774 volatile int exit_status = 0;
775 gboolean quiet = FALSE;
776 gchar *volatile cf_name = NULL;
777 gchar *rfilter = NULL;
778 gchar *dfilter = NULL;
779 dfilter_t *rfcode = NULL;
780 dfilter_t *dfcode = NULL;
784 gchar *output_only = NULL;
786 /* the leading - ensures that getopt() does not permute the argv[] entries
787 we have to make sure that the first getopt() preserves the content of argv[]
788 for the subsequent getopt_long() call */
789 #define OPTSTRING "-2C:d:e:E:hK:lo:O:qQr:R:S:t:T:u:vVxX:Y:z:"
791 static const char optstring[] = OPTSTRING;
793 /* Assemble the compile-time version information string */
794 comp_info_str = g_string_new("Compiled ");
795 get_compiled_version_info(comp_info_str, NULL, epan_get_compiled_version_info);
797 /* Assemble the run-time version information string */
798 runtime_info_str = g_string_new("Running ");
799 get_runtime_version_info(runtime_info_str, NULL);
801 /* Add it to the information to be reported on a crash. */
802 ws_add_crash_info("TFShark " VERSION "%s\n"
807 wireshark_gitversion, comp_info_str->str, runtime_info_str->str);
810 arg_list_utf_16to8(argc, argv);
811 create_app_running_mutex();
812 #if !GLIB_CHECK_VERSION(2,31,0)
818 * Get credential information for later use.
820 init_process_policies();
823 * Attempt to get the pathname of the executable file.
825 init_progfile_dir_error = init_progfile_dir(argv[0], main);
826 if (init_progfile_dir_error != NULL) {
827 fprintf(stderr, "tfshark: Can't get pathname of tfshark program: %s.\n",
828 init_progfile_dir_error);
832 * In order to have the -X opts assigned before the wslua machine starts
833 * we need to call getopts before epan_init() gets called.
836 optind_initial = optind;
838 while ((opt = getopt(argc, argv, optstring)) != -1) {
840 case 'C': /* Configuration Profile */
841 if (profile_exists (optarg, FALSE)) {
842 set_profile_name (optarg);
844 cmdarg_err("Configuration Profile \"%s\" does not exist", optarg);
848 case 'O': /* Only output these protocols */
849 output_only = g_strdup(optarg);
851 case 'V': /* Verbose */
852 print_details = TRUE;
853 print_packet_info = TRUE;
855 case 'x': /* Print packet data in hex (and ASCII) */
857 /* The user asked for hex output, so let's ensure they get it,
858 * even if they're writing to a file.
860 print_packet_info = TRUE;
871 * Print packet summary information is the default, unless either -V or -x
872 * were specified. Note that this is new behavior, which
873 * allows for the possibility of printing only hex/ascii output without
874 * necessarily requiring that either the summary or details be printed too.
876 if (print_summary == -1)
877 print_summary = (print_details || print_hex) ? FALSE : TRUE;
879 optind = optind_initial;
884 /** Send All g_log messages to our own handler **/
888 G_LOG_LEVEL_CRITICAL|
893 G_LOG_FLAG_FATAL|G_LOG_FLAG_RECURSION;
895 g_log_set_handler(NULL,
896 (GLogLevelFlags)log_flags,
897 tfshark_log_handler, NULL /* user_data */);
898 g_log_set_handler(LOG_DOMAIN_MAIN,
899 (GLogLevelFlags)log_flags,
900 tfshark_log_handler, NULL /* user_data */);
902 initialize_funnel_ops();
904 init_report_err(failure_message, open_failure_message, read_failure_message,
905 write_failure_message);
907 timestamp_set_type(TS_RELATIVE);
908 timestamp_set_precision(TS_PREC_AUTO);
909 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
911 init_open_routines();
914 /* Register all the plugin types we have. */
915 epan_register_plugin_types(); /* Types known to libwireshark */
916 ftap_register_plugin_types(); /* Types known to libfiletap */
918 /* Scan for plugins. This does *not* call their registration routines;
919 that's done later. */
922 /* Register all libfiletap plugin modules. */
923 register_all_filetap_modules();
927 /* Register all dissectors; we must do this before checking for the
928 "-G" flag, as the "-G" flag dumps information registered by the
929 dissectors, and we must do it before we read the preferences, in
930 case any dissectors register preferences. */
931 epan_init(register_all_protocols, register_all_protocol_handoffs, NULL, NULL);
933 /* Register all tap listeners; we do this before we parse the arguments,
934 as the "-z" argument can specify a registered tap. */
936 /* we register the plugin taps before the other taps because
937 stats_tree taps plugins will be registered as tap listeners
938 by stats_tree_stat.c and need to registered before that */
940 /* XXX Disable tap registration for now until we can get tfshark set up with
941 * its own set of taps and the necessary registration function etc.
943 register_all_plugin_tap_listeners();
945 register_all_tap_listeners();
948 /* If invoked with the "-G" flag, we dump out information based on
949 the argument to the "-G" flag; if no argument is specified,
950 for backwards compatibility we dump out a glossary of display
953 XXX - we do this here, for now, to support "-G" with no arguments.
954 If none of our build or other processes uses "-G" with no arguments,
955 we can just process it with the other arguments. */
956 if (argc >= 2 && strcmp(argv[1], "-G") == 0) {
957 proto_initialize_all_prefixes();
960 proto_registrar_dump_fields();
962 if (strcmp(argv[2], "column-formats") == 0)
963 column_dump_column_formats();
964 else if (strcmp(argv[2], "currentprefs") == 0) {
965 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
966 &pf_open_errno, &pf_read_errno, &pf_path);
969 else if (strcmp(argv[2], "decodes") == 0)
970 dissector_dump_decodes();
971 else if (strcmp(argv[2], "defaultprefs") == 0)
973 else if (strcmp(argv[2], "fields") == 0)
974 proto_registrar_dump_fields();
975 else if (strcmp(argv[2], "ftypes") == 0)
976 proto_registrar_dump_ftypes();
977 else if (strcmp(argv[2], "heuristic-decodes") == 0)
978 dissector_dump_heur_decodes();
979 else if (strcmp(argv[2], "plugins") == 0) {
984 wslua_plugins_dump_all();
987 else if (strcmp(argv[2], "protocols") == 0)
988 proto_registrar_dump_protocols();
989 else if (strcmp(argv[2], "values") == 0)
990 proto_registrar_dump_values();
991 else if (strcmp(argv[2], "?") == 0)
992 glossary_option_help();
993 else if (strcmp(argv[2], "-?") == 0)
994 glossary_option_help();
996 cmdarg_err("Invalid \"%s\" option for -G flag, enter -G ? for more help.", argv[2]);
1003 /* Set the C-language locale to the native environment. */
1004 setlocale(LC_ALL, "");
1006 prefs_p = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
1007 &pf_open_errno, &pf_read_errno, &pf_path);
1008 if (gpf_path != NULL) {
1009 if (gpf_open_errno != 0) {
1010 cmdarg_err("Can't open global preferences file \"%s\": %s.",
1011 pf_path, g_strerror(gpf_open_errno));
1013 if (gpf_read_errno != 0) {
1014 cmdarg_err("I/O error reading global preferences file \"%s\": %s.",
1015 pf_path, g_strerror(gpf_read_errno));
1018 if (pf_path != NULL) {
1019 if (pf_open_errno != 0) {
1020 cmdarg_err("Can't open your preferences file \"%s\": %s.", pf_path,
1021 g_strerror(pf_open_errno));
1023 if (pf_read_errno != 0) {
1024 cmdarg_err("I/O error reading your preferences file \"%s\": %s.",
1025 pf_path, g_strerror(pf_read_errno));
1031 /* Read the disabled protocols file. */
1032 read_disabled_protos_list(&gdp_path, &gdp_open_errno, &gdp_read_errno,
1033 &dp_path, &dp_open_errno, &dp_read_errno);
1034 if (gdp_path != NULL) {
1035 if (gdp_open_errno != 0) {
1036 cmdarg_err("Could not open global disabled protocols file\n\"%s\": %s.",
1037 gdp_path, g_strerror(gdp_open_errno));
1039 if (gdp_read_errno != 0) {
1040 cmdarg_err("I/O error reading global disabled protocols file\n\"%s\": %s.",
1041 gdp_path, g_strerror(gdp_read_errno));
1045 if (dp_path != NULL) {
1046 if (dp_open_errno != 0) {
1048 "Could not open your disabled protocols file\n\"%s\": %s.", dp_path,
1049 g_strerror(dp_open_errno));
1051 if (dp_read_errno != 0) {
1053 "I/O error reading your disabled protocols file\n\"%s\": %s.", dp_path,
1054 g_strerror(dp_read_errno));
1059 cap_file_init(&cfile);
1061 /* Print format defaults to this. */
1062 print_format = PR_FMT_TEXT;
1064 output_fields = output_fields_new();
1066 /* Now get our args */
1067 while ((opt = getopt(argc, argv, optstring)) != -1) {
1069 case '2': /* Perform two pass analysis */
1070 perform_two_pass_analysis = TRUE;
1073 /* Configuration profile settings were already processed just ignore them this time*/
1075 case 'd': /* Decode as rule */
1076 if (!add_decode_as(optarg))
1079 #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS)
1080 case 'K': /* Kerberos keytab file */
1081 read_keytab_file(optarg);
1086 output_fields_add(output_fields, optarg);
1090 if (!output_fields_set_option(output_fields, optarg)) {
1091 cmdarg_err("\"%s\" is not a valid field output option=value pair.", optarg);
1092 output_fields_list_options(stderr);
1097 case 'h': /* Print help and exit */
1101 case 'l': /* "Line-buffer" standard output */
1102 /* This isn't line-buffering, strictly speaking, it's just
1103 flushing the standard output after the information for
1104 each packet is printed; however, that should be good
1105 enough for all the purposes to which "-l" is put (and
1106 is probably actually better for "-V", as it does fewer
1109 See the comment in "process_packet()" for an explanation of
1110 why we do that, and why we don't just use "setvbuf()" to
1111 make the standard output line-buffered (short version: in
1112 Windows, "line-buffered" is the same as "fully-buffered",
1113 and the output buffer is only flushed when it fills up). */
1114 line_buffered = TRUE;
1116 case 'o': /* Override preference from command line */
1117 switch (prefs_set_pref(optarg)) {
1122 case PREFS_SET_SYNTAX_ERR:
1123 cmdarg_err("Invalid -o flag \"%s\"", optarg);
1127 case PREFS_SET_NO_SUCH_PREF:
1128 case PREFS_SET_OBSOLETE:
1129 cmdarg_err("-o flag \"%s\" specifies unknown preference", optarg);
1134 case 'q': /* Quiet */
1137 case 'Q': /* Really quiet */
1139 really_quiet = TRUE;
1141 case 'r': /* Read capture file x */
1142 cf_name = g_strdup(optarg);
1144 case 'R': /* Read file filter */
1147 case 'S': /* Set the line Separator to be printed between packets */
1148 separator = strdup(optarg);
1150 case 't': /* Time stamp type */
1151 if (strcmp(optarg, "r") == 0)
1152 timestamp_set_type(TS_RELATIVE);
1153 else if (strcmp(optarg, "a") == 0)
1154 timestamp_set_type(TS_ABSOLUTE);
1155 else if (strcmp(optarg, "ad") == 0)
1156 timestamp_set_type(TS_ABSOLUTE_WITH_YMD);
1157 else if (strcmp(optarg, "adoy") == 0)
1158 timestamp_set_type(TS_ABSOLUTE_WITH_YDOY);
1159 else if (strcmp(optarg, "d") == 0)
1160 timestamp_set_type(TS_DELTA);
1161 else if (strcmp(optarg, "dd") == 0)
1162 timestamp_set_type(TS_DELTA_DIS);
1163 else if (strcmp(optarg, "e") == 0)
1164 timestamp_set_type(TS_EPOCH);
1165 else if (strcmp(optarg, "u") == 0)
1166 timestamp_set_type(TS_UTC);
1167 else if (strcmp(optarg, "ud") == 0)
1168 timestamp_set_type(TS_UTC_WITH_YMD);
1169 else if (strcmp(optarg, "udoy") == 0)
1170 timestamp_set_type(TS_UTC_WITH_YDOY);
1172 cmdarg_err("Invalid time stamp type \"%s\"; it must be one of:", optarg);
1173 cmdarg_err_cont("\t\"a\" for absolute\n"
1174 "\t\"ad\" for absolute with YYYY-MM-DD date\n"
1175 "\t\"adoy\" for absolute with YYYY/DOY date\n"
1176 "\t\"d\" for delta\n"
1177 "\t\"dd\" for delta displayed\n"
1178 "\t\"e\" for epoch\n"
1179 "\t\"r\" for relative\n"
1180 "\t\"u\" for absolute UTC\n"
1181 "\t\"ud\" for absolute UTC with YYYY-MM-DD date\n"
1182 "\t\"udoy\" for absolute UTC with YYYY/DOY date");
1186 case 'T': /* printing Type */
1187 if (strcmp(optarg, "text") == 0) {
1188 output_action = WRITE_TEXT;
1189 print_format = PR_FMT_TEXT;
1190 } else if (strcmp(optarg, "ps") == 0) {
1191 output_action = WRITE_TEXT;
1192 print_format = PR_FMT_PS;
1193 } else if (strcmp(optarg, "pdml") == 0) {
1194 output_action = WRITE_XML;
1195 print_details = TRUE; /* Need details */
1196 print_summary = FALSE; /* Don't allow summary */
1197 } else if (strcmp(optarg, "psml") == 0) {
1198 output_action = WRITE_XML;
1199 print_details = FALSE; /* Don't allow details */
1200 print_summary = TRUE; /* Need summary */
1201 } else if (strcmp(optarg, "fields") == 0) {
1202 output_action = WRITE_FIELDS;
1203 print_details = TRUE; /* Need full tree info */
1204 print_summary = FALSE; /* Don't allow summary */
1206 cmdarg_err("Invalid -T parameter \"%s\"; it must be one of:", optarg); /* x */
1207 cmdarg_err_cont("\t\"fields\" The values of fields specified with the -e option, in a form\n"
1208 "\t specified by the -E option.\n"
1209 "\t\"pdml\" Packet Details Markup Language, an XML-based format for the\n"
1210 "\t details of a decoded packet. This information is equivalent to\n"
1211 "\t the packet details printed with the -V flag.\n"
1212 "\t\"ps\" PostScript for a human-readable one-line summary of each of\n"
1213 "\t the packets, or a multi-line view of the details of each of\n"
1214 "\t the packets, depending on whether the -V flag was specified.\n"
1215 "\t\"psml\" Packet Summary Markup Language, an XML-based format for the\n"
1216 "\t summary information of a decoded packet. This information is\n"
1217 "\t equivalent to the information shown in the one-line summary\n"
1218 "\t printed by default.\n"
1219 "\t\"text\" Text of a human-readable one-line summary of each of the\n"
1220 "\t packets, or a multi-line view of the details of each of the\n"
1221 "\t packets, depending on whether the -V flag was specified.\n"
1222 "\t This is the default.");
1226 case 'u': /* Seconds type */
1227 if (strcmp(optarg, "s") == 0)
1228 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
1229 else if (strcmp(optarg, "hms") == 0)
1230 timestamp_set_seconds_type(TS_SECONDS_HOUR_MIN_SEC);
1232 cmdarg_err("Invalid seconds type \"%s\"; it must be one of:", optarg);
1233 cmdarg_err_cont("\t\"s\" for seconds\n"
1234 "\t\"hms\" for hours, minutes and seconds");
1238 case 'v': /* Show version and exit */
1240 show_version(comp_info_str, runtime_info_str);
1241 g_string_free(comp_info_str, TRUE);
1242 g_string_free(runtime_info_str, TRUE);
1243 /* We don't really have to cleanup here, but it's a convenient way to test
1244 * start-up and shut-down of the epan library without any UI-specific
1245 * cruft getting in the way. Makes the results of running
1246 * $ ./tools/valgrind-wireshark -n
1247 * much more useful. */
1251 case 'O': /* Only output these protocols */
1252 /* already processed; just ignore it now */
1254 case 'V': /* Verbose */
1255 /* already processed; just ignore it now */
1257 case 'x': /* Print packet data in hex (and ASCII) */
1258 /* already processed; just ignore it now */
1266 /* We won't call the init function for the stat this soon
1267 as it would disallow MATE's fields (which are registered
1268 by the preferences set callback) from being used as
1269 part of a tap filter. Instead, we just add the argument
1270 to a list of stat arguments. */
1271 if (!process_stat_cmd_arg(optarg)) {
1272 if (strcmp("help", optarg)==0) {
1273 fprintf(stderr, "tfshark: The available statistics for the \"-z\" option are:\n");
1274 list_stat_cmd_args();
1277 cmdarg_err("Invalid -z argument \"%s\"; it must be one of:", optarg);
1278 list_stat_cmd_args();
1283 case '?': /* Bad flag - print usage message */
1290 /* If we specified output fields, but not the output field type... */
1291 if (WRITE_FIELDS != output_action && 0 != output_fields_num_fields(output_fields)) {
1292 cmdarg_err("Output fields were specified with \"-e\", "
1293 "but \"-Tfields\" was not specified.");
1295 } else if (WRITE_FIELDS == output_action && 0 == output_fields_num_fields(output_fields)) {
1296 cmdarg_err("\"-Tfields\" was specified, but no fields were "
1297 "specified with \"-e\".");
1302 /* If no capture filter or display filter has been specified, and there are
1303 still command-line arguments, treat them as the tokens of a capture
1304 filter (if no "-r" flag was specified) or a display filter (if a "-r"
1305 flag was specified. */
1306 if (optind < argc) {
1307 if (cf_name != NULL) {
1308 if (dfilter != NULL) {
1309 cmdarg_err("Display filters were specified both with \"-d\" "
1310 "and with additional command-line arguments.");
1313 dfilter = get_args_as_string(argc, argv, optind);
1317 /* if "-q" wasn't specified, we should print packet information */
1319 print_packet_info = TRUE;
1327 if (output_action != WRITE_TEXT) {
1328 cmdarg_err("Raw packet hex data can only be printed as text or PostScript");
1333 if (output_only != NULL) {
1336 if (!print_details) {
1337 cmdarg_err("-O requires -V");
1341 output_only_tables = g_hash_table_new (g_str_hash, g_str_equal);
1342 for (ps = strtok (output_only, ","); ps; ps = strtok (NULL, ",")) {
1343 g_hash_table_insert(output_only_tables, (gpointer)ps, (gpointer)ps);
1347 if (rfilter != NULL && !perform_two_pass_analysis) {
1348 cmdarg_err("-R without -2 is deprecated. For single-pass filtering use -Y.");
1352 /* Notify all registered modules that have had any of their preferences
1353 changed either from one of the preferences file or from the command
1354 line that their preferences have changed. */
1357 /* At this point MATE will have registered its field array so we can
1358 have a tap filter with one of MATE's late-registered fields as part
1359 of the filter. We can now process all the "-z" arguments. */
1360 start_requested_stats();
1362 /* disabled protocols as per configuration file */
1363 if (gdp_path == NULL && dp_path == NULL) {
1364 set_disabled_protos_list();
1367 /* Build the column format array */
1368 build_column_format_array(&cfile.cinfo, prefs_p->num_cols, TRUE);
1370 if (rfilter != NULL) {
1371 if (!dfilter_compile(rfilter, &rfcode)) {
1372 cmdarg_err("%s", dfilter_error_msg);
1377 cfile.rfcode = rfcode;
1379 if (dfilter != NULL) {
1380 if (!dfilter_compile(dfilter, &dfcode)) {
1381 cmdarg_err("%s", dfilter_error_msg);
1386 cfile.dfcode = dfcode;
1388 if (print_packet_info) {
1389 /* If we're printing as text or PostScript, we have
1390 to create a print stream. */
1391 if (output_action == WRITE_TEXT) {
1392 switch (print_format) {
1395 print_stream = print_stream_text_stdio_new(stdout);
1399 print_stream = print_stream_ps_stdio_new(stdout);
1403 g_assert_not_reached();
1408 /* We have to dissect each packet if:
1410 we're printing information about each packet;
1412 we're using a read filter on the packets;
1414 we're using a display filter on the packets;
1416 we're using any taps that need dissection. */
1417 do_dissection = print_packet_info || rfcode || dfcode || tap_listeners_require_dissection();
1421 * We're reading a capture file.
1425 * Immediately relinquish any special privileges we have; we must not
1426 * be allowed to read any capture files the user running TShark
1429 relinquish_special_privs_perm();
1430 print_current_user();
1432 /* TODO: if tfshark is ever changed to give the user a choice of which
1433 open_routine reader to use, then the following needs to change. */
1434 if (cf_open(&cfile, cf_name, WTAP_TYPE_AUTO, FALSE, &err) != CF_OK) {
1439 /* Process the packets in the file */
1441 /* XXX - for now there is only 1 packet */
1442 err = load_cap_file(&cfile, 1, 0);
1444 CATCH(OutOfMemoryError) {
1448 "Sorry, but TFShark has to terminate now!\n"
1450 "Some infos / workarounds can be found at:\n"
1451 "http://wiki.wireshark.org/KnownBugs/OutOfMemory\n");
1457 /* We still dump out the results of taps, etc., as we might have
1458 read some packets; however, we exit with an error status. */
1465 if (cfile.frames != NULL) {
1466 free_frame_data_sequence(cfile.frames);
1467 cfile.frames = NULL;
1470 draw_tap_listeners(TRUE);
1471 funnel_dump_all_text_windows();
1472 epan_free(cfile.epan);
1475 output_fields_free(output_fields);
1476 output_fields = NULL;
1481 static const nstime_t *
1482 tfshark_get_frame_ts(void *data, guint32 frame_num)
1484 capture_file *cf = (capture_file *) data;
1486 if (ref && ref->num == frame_num)
1487 return &ref->abs_ts;
1489 if (prev_dis && prev_dis->num == frame_num)
1490 return &prev_dis->abs_ts;
1492 if (prev_cap && prev_cap->num == frame_num)
1493 return &prev_cap->abs_ts;
1496 frame_data *fd = frame_data_sequence_find(cf->frames, frame_num);
1498 return (fd) ? &fd->abs_ts : NULL;
1505 no_interface_name(void *data _U_, guint32 interface_id _U_)
1511 tfshark_epan_new(capture_file *cf)
1513 epan_t *epan = epan_new();
1516 epan->get_frame_ts = tfshark_get_frame_ts;
1517 epan->get_interface_name = no_interface_name;
1518 epan->get_user_comment = NULL;
1524 process_packet_first_pass(capture_file *cf, epan_dissect_t *edt,
1525 gint64 offset, struct wtap_pkthdr *whdr,
1532 /* The frame number of this packet is one more than the count of
1533 frames in this packet. */
1534 framenum = cf->count + 1;
1536 /* If we're not running a display filter and we're not printing any
1537 packet information, we don't need to do a dissection. This means
1538 that all packets can be marked as 'passed'. */
1541 frame_data_init(&fdlocal, framenum, whdr, offset, cum_bytes);
1543 /* If we're going to print packet information, or we're going to
1544 run a read filter, or display filter, or we're going to process taps, set up to
1545 do a dissection and do so. */
1547 /* If we're running a read filter, prime the epan_dissect_t with that
1550 epan_dissect_prime_dfilter(edt, cf->rfcode);
1552 frame_data_set_before_dissect(&fdlocal, &cf->elapsed_time,
1554 if (ref == &fdlocal) {
1555 ref_frame = fdlocal;
1559 epan_dissect_file_run(edt, whdr, file_tvbuff_new(&fdlocal, pd), &fdlocal, NULL);
1561 /* Run the read filter if we have one. */
1563 passed = dfilter_apply_edt(cf->rfcode, edt);
1567 frame_data_set_after_dissect(&fdlocal, &cum_bytes);
1568 prev_cap = prev_dis = frame_data_sequence_add(cf->frames, &fdlocal);
1570 /* If we're not doing dissection then there won't be any dependent frames.
1571 * More importantly, edt.pi.dependent_frames won't be initialized because
1572 * epan hasn't been initialized.
1575 g_slist_foreach(edt->pi.dependent_frames, find_and_mark_frame_depended_upon, cf->frames);
1580 /* if we don't add it to the frame_data_sequence, clean it up right now
1582 frame_data_destroy(&fdlocal);
1586 epan_dissect_reset(edt);
1592 process_packet_second_pass(capture_file *cf, epan_dissect_t *edt, frame_data *fdata,
1593 struct wtap_pkthdr *phdr, Buffer *buf,
1599 /* If we're not running a display filter and we're not printing any
1600 packet information, we don't need to do a dissection. This means
1601 that all packets can be marked as 'passed'. */
1604 /* If we're going to print packet information, or we're going to
1605 run a read filter, or we're going to process taps, set up to
1606 do a dissection and do so. */
1609 /* If we're running a display filter, prime the epan_dissect_t with that
1612 epan_dissect_prime_dfilter(edt, cf->dfcode);
1614 col_custom_prime_edt(edt, &cf->cinfo);
1616 /* We only need the columns if either
1617 1) some tap needs the columns
1619 2) we're printing packet info but we're *not* verbose; in verbose
1620 mode, we print the protocol tree, not the protocol summary.
1622 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary))
1627 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1634 epan_dissect_file_run_with_taps(edt, phdr, file_tvbuff_new_buffer(fdata, buf), fdata, cinfo);
1636 /* Run the read/display filter if we have one. */
1638 passed = dfilter_apply_edt(cf->dfcode, edt);
1642 frame_data_set_after_dissect(fdata, &cum_bytes);
1643 /* Process this packet. */
1644 if (print_packet_info) {
1645 /* We're printing packet information; print the information for
1647 print_packet(cf, edt);
1649 /* The ANSI C standard does not appear to *require* that a line-buffered
1650 stream be flushed to the host environment whenever a newline is
1651 written, it just says that, on such a stream, characters "are
1652 intended to be transmitted to or from the host environment as a
1653 block when a new-line character is encountered".
1655 The Visual C++ 6.0 C implementation doesn't do what is intended;
1656 even if you set a stream to be line-buffered, it still doesn't
1657 flush the buffer at the end of every line.
1659 So, if the "-l" flag was specified, we flush the standard output
1660 at the end of a packet. This will do the right thing if we're
1661 printing packet summary lines, and, as we print the entire protocol
1662 tree for a single packet without waiting for anything to happen,
1663 it should be as good as line-buffered mode if we're printing
1664 protocol trees. (The whole reason for the "-l" flag in either
1665 tcpdump or TShark is to allow the output of a live capture to
1666 be piped to a program or script and to have that script see the
1667 information for the packet as soon as it's printed, rather than
1668 having to wait until a standard I/O buffer fills up. */
1672 if (ferror(stdout)) {
1673 show_print_file_io_error(errno);
1682 epan_dissect_reset(edt);
1684 return passed || fdata->flags.dependent_of_displayed;
1688 local_wtap_read(capture_file *cf, struct wtap_pkthdr* file_phdr, int *err, gchar **err_info, gint64 *data_offset _U_, guint8** data_buffer)
1691 gint64 packet_size = wtap_file_size(cf->wth, err);
1693 *data_buffer = (guint8*)g_malloc((gsize)packet_size);
1694 bytes_read = file_read(*data_buffer, (unsigned int)packet_size, cf->wth->fh);
1696 if (bytes_read < 0) {
1697 *err = file_error(cf->wth->fh, err_info);
1699 *err = FTAP_ERR_SHORT_READ;
1701 } else if (bytes_read == 0) {
1702 /* Done with file, no error */
1707 /* XXX - SET FRAME SIZE EQUAL TO TOTAL FILE SIZE */
1708 file_phdr->caplen = (guint32)packet_size;
1709 file_phdr->len = (guint32)packet_size;
1713 * Set the packet encapsulation to the file's encapsulation
1714 * value; if that's not WTAP_ENCAP_PER_PACKET, it's the
1715 * right answer (and means that the read routine for this
1716 * capture file type doesn't have to set it), and if it
1717 * *is* WTAP_ENCAP_PER_PACKET, the caller needs to set it
1720 wth->phdr.pkt_encap = wth->file_encap;
1722 if (!wth->subtype_read(wth, err, err_info, data_offset)) {
1724 * If we didn't get an error indication, we read
1725 * the last packet. See if there's any deferred
1726 * error, as might, for example, occur if we're
1727 * reading a compressed file, and we got an error
1728 * reading compressed data from the file, but
1729 * got enough compressed data to decompress the
1730 * last packet of the file.
1733 *err = file_error(wth->fh, err_info);
1734 return FALSE; /* failure */
1738 * It makes no sense for the captured data length to be bigger
1739 * than the actual data length.
1741 if (wth->phdr.caplen > wth->phdr.len)
1742 wth->phdr.caplen = wth->phdr.len;
1745 * Make sure that it's not WTAP_ENCAP_PER_PACKET, as that
1746 * probably means the file has that encapsulation type
1747 * but the read routine didn't set this packet's
1748 * encapsulation type.
1750 g_assert(wth->phdr.pkt_encap != WTAP_ENCAP_PER_PACKET);
1753 return TRUE; /* success */
1757 load_cap_file(capture_file *cf, int max_packet_count, gint64 max_byte_count)
1761 gchar *err_info = NULL;
1762 gint64 data_offset = 0;
1763 gboolean filtering_tap_listeners;
1766 epan_dissect_t *edt = NULL;
1767 struct wtap_pkthdr file_phdr;
1770 if (print_packet_info) {
1771 if (!write_preamble(cf)) {
1773 show_print_file_io_error(err);
1778 /* Do we have any tap listeners with filters? */
1779 filtering_tap_listeners = have_filtering_tap_listeners();
1781 /* Get the union of the flags for all tap listeners. */
1782 tap_flags = union_of_tap_listener_flags();
1784 memset(&file_phdr, 0, sizeof(file_phdr));
1786 /* XXX - TEMPORARY HACK TO ELF DISSECTOR */
1787 file_phdr.pkt_encap = 1234;
1789 if (perform_two_pass_analysis) {
1792 /* Allocate a frame_data_sequence for all the frames. */
1793 cf->frames = new_frame_data_sequence();
1795 if (do_dissection) {
1796 gboolean create_proto_tree = FALSE;
1798 /* If we're going to be applying a filter, we'll need to
1799 create a protocol tree against which to apply the filter. */
1801 create_proto_tree = TRUE;
1803 /* We're not going to display the protocol tree on this pass,
1804 so it's not going to be "visible". */
1805 edt = epan_dissect_new(cf->epan, create_proto_tree, FALSE);
1807 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1808 if (process_packet_first_pass(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1809 wtap_buf_ptr(cf->wth))) {
1811 /* Stop reading if we have the maximum number of packets;
1812 * When the -c option has not been used, max_packet_count
1813 * starts at 0, which practically means, never stop reading.
1814 * (unless we roll over max_packet_count ?)
1816 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1817 err = 0; /* This is not an error */
1824 epan_dissect_free(edt);
1829 /* Close the sequential I/O side, to free up memory it requires. */
1830 wtap_sequential_close(cf->wth);
1833 /* Allow the protocol dissectors to free up memory that they
1834 * don't need after the sequential run-through of the packets. */
1835 postseq_cleanup_all_protocols();
1839 buffer_init(&buf, 1500);
1841 if (do_dissection) {
1842 gboolean create_proto_tree;
1844 if (cf->dfcode || print_details || filtering_tap_listeners ||
1845 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1846 create_proto_tree = TRUE;
1848 create_proto_tree = FALSE;
1850 /* The protocol tree will be "visible", i.e., printed, only if we're
1851 printing packet details, which is true if we're printing stuff
1852 ("print_packet_info" is true) and we're in verbose mode
1853 ("packet_details" is true). */
1854 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1857 for (framenum = 1; err == 0 && framenum <= cf->count; framenum++) {
1858 fdata = frame_data_sequence_find(cf->frames, framenum);
1860 if (wtap_seek_read(cf->wth, fdata->file_off,
1861 &buf, fdata->cap_len, &err, &err_info)) {
1862 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1865 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1870 epan_dissect_free(edt);
1879 if (do_dissection) {
1880 gboolean create_proto_tree;
1882 if (cf->rfcode || cf->dfcode || print_details || filtering_tap_listeners ||
1883 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1884 create_proto_tree = TRUE;
1886 create_proto_tree = FALSE;
1888 /* The protocol tree will be "visible", i.e., printed, only if we're
1889 printing packet details, which is true if we're printing stuff
1890 ("print_packet_info" is true) and we're in verbose mode
1891 ("packet_details" is true). */
1892 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1895 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1899 process_packet(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1900 raw_data, tap_flags);
1902 /* Stop reading if we have the maximum number of packets;
1903 * When the -c option has not been used, max_packet_count
1904 * starts at 0, which practically means, never stop reading.
1905 * (unless we roll over max_packet_count ?)
1907 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1908 err = 0; /* This is not an error */
1914 epan_dissect_free(edt);
1921 * Print a message noting that the read failed somewhere along the line.
1923 * If we're printing packet data, and the standard output and error are
1924 * going to the same place, flush the standard output, so everything
1925 * buffered up is written, and then print a newline to the standard error
1926 * before printing the error message, to separate it from the packet
1927 * data. (Alas, that only works on UN*X; st_dev is meaningless, and
1928 * the _fstat() documentation at Microsoft doesn't indicate whether
1929 * st_ino is even supported.)
1932 if (print_packet_info) {
1933 struct stat stat_stdout, stat_stderr;
1935 if (fstat(1, &stat_stdout) == 0 && fstat(2, &stat_stderr) == 0) {
1936 if (stat_stdout.st_dev == stat_stderr.st_dev &&
1937 stat_stdout.st_ino == stat_stderr.st_ino) {
1939 fprintf(stderr, "\n");
1946 case FTAP_ERR_UNSUPPORTED:
1947 cmdarg_err("The file \"%s\" contains record data that TFShark doesn't support.\n(%s)",
1948 cf->filename, err_info);
1952 case FTAP_ERR_UNSUPPORTED_ENCAP:
1953 cmdarg_err("The file \"%s\" has a packet with a network type that TFShark doesn't support.\n(%s)",
1954 cf->filename, err_info);
1958 case FTAP_ERR_CANT_READ:
1959 cmdarg_err("An attempt to read from the file \"%s\" failed for some unknown reason.",
1963 case FTAP_ERR_SHORT_READ:
1964 cmdarg_err("The file \"%s\" appears to have been cut short in the middle of a packet.",
1968 case FTAP_ERR_BAD_FILE:
1969 cmdarg_err("The file \"%s\" appears to be damaged or corrupt.\n(%s)",
1970 cf->filename, err_info);
1974 case FTAP_ERR_DECOMPRESS:
1975 cmdarg_err("The compressed file \"%s\" appears to be damaged or corrupt.\n"
1976 "(%s)", cf->filename, err_info);
1980 cmdarg_err("An error occurred while reading the file \"%s\": %s.",
1981 cf->filename, ftap_strerror(err));
1985 if (print_packet_info) {
1986 if (!write_finale()) {
1988 show_print_file_io_error(err);
1994 wtap_close(cf->wth);
2001 process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
2002 struct wtap_pkthdr *whdr, const guchar *pd, guint tap_flags)
2008 /* Count this packet. */
2011 /* If we're not running a display filter and we're not printing any
2012 packet information, we don't need to do a dissection. This means
2013 that all packets can be marked as 'passed'. */
2016 frame_data_init(&fdata, cf->count, whdr, offset, cum_bytes);
2018 /* If we're going to print packet information, or we're going to
2019 run a read filter, or we're going to process taps, set up to
2020 do a dissection and do so. */
2022 /* If we're running a filter, prime the epan_dissect_t with that
2025 epan_dissect_prime_dfilter(edt, cf->dfcode);
2027 col_custom_prime_edt(edt, &cf->cinfo);
2029 /* We only need the columns if either
2030 1) some tap needs the columns
2032 2) we're printing packet info but we're *not* verbose; in verbose
2033 mode, we print the protocol tree, not the protocol summary.
2035 3) there is a column mapped as an individual field */
2036 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary) || output_fields_has_cols(output_fields))
2041 frame_data_set_before_dissect(&fdata, &cf->elapsed_time,
2043 if (ref == &fdata) {
2048 epan_dissect_file_run_with_taps(edt, whdr, frame_tvbuff_new(&fdata, pd), &fdata, cinfo);
2050 /* Run the filter if we have it. */
2052 passed = dfilter_apply_edt(cf->dfcode, edt);
2056 frame_data_set_after_dissect(&fdata, &cum_bytes);
2058 /* Process this packet. */
2059 if (print_packet_info) {
2060 /* We're printing packet information; print the information for
2062 print_packet(cf, edt);
2064 /* The ANSI C standard does not appear to *require* that a line-buffered
2065 stream be flushed to the host environment whenever a newline is
2066 written, it just says that, on such a stream, characters "are
2067 intended to be transmitted to or from the host environment as a
2068 block when a new-line character is encountered".
2070 The Visual C++ 6.0 C implementation doesn't do what is intended;
2071 even if you set a stream to be line-buffered, it still doesn't
2072 flush the buffer at the end of every line.
2074 So, if the "-l" flag was specified, we flush the standard output
2075 at the end of a packet. This will do the right thing if we're
2076 printing packet summary lines, and, as we print the entire protocol
2077 tree for a single packet without waiting for anything to happen,
2078 it should be as good as line-buffered mode if we're printing
2079 protocol trees. (The whole reason for the "-l" flag in either
2080 tcpdump or TShark is to allow the output of a live capture to
2081 be piped to a program or script and to have that script see the
2082 information for the packet as soon as it's printed, rather than
2083 having to wait until a standard I/O buffer fills up. */
2087 if (ferror(stdout)) {
2088 show_print_file_io_error(errno);
2093 /* this must be set after print_packet() [bug #8160] */
2094 prev_dis_frame = fdata;
2095 prev_dis = &prev_dis_frame;
2098 prev_cap_frame = fdata;
2099 prev_cap = &prev_cap_frame;
2102 epan_dissect_reset(edt);
2103 frame_data_destroy(&fdata);
2109 write_preamble(capture_file *cf)
2111 switch (output_action) {
2114 return print_preamble(print_stream, cf ? cf->filename : NULL, wireshark_gitversion);
2118 write_pdml_preamble(stdout, cf ? cf->filename : NULL);
2120 write_psml_preamble(stdout);
2121 return !ferror(stdout);
2124 write_fields_preamble(output_fields, stdout);
2125 return !ferror(stdout);
2128 g_assert_not_reached();
2134 get_line_buf(size_t len)
2136 static char *line_bufp = NULL;
2137 static size_t line_buf_len = 256;
2138 size_t new_line_buf_len;
2140 for (new_line_buf_len = line_buf_len; len > new_line_buf_len;
2141 new_line_buf_len *= 2)
2143 if (line_bufp == NULL) {
2144 line_buf_len = new_line_buf_len;
2145 line_bufp = (char *)g_malloc(line_buf_len + 1);
2147 if (new_line_buf_len > line_buf_len) {
2148 line_buf_len = new_line_buf_len;
2149 line_bufp = (char *)g_realloc(line_bufp, line_buf_len + 1);
2156 put_string(char *dest, const char *str, size_t str_len)
2158 memcpy(dest, str, str_len);
2159 dest[str_len] = '\0';
2163 put_spaces_string(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2167 for (i = str_len; i < str_with_spaces; i++)
2170 put_string(dest, str, str_len);
2174 put_string_spaces(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2178 memcpy(dest, str, str_len);
2179 for (i = str_len; i < str_with_spaces; i++)
2182 dest[str_with_spaces] = '\0';
2186 print_columns(capture_file *cf)
2194 line_bufp = get_line_buf(256);
2197 for (i = 0; i < cf->cinfo.num_cols; i++) {
2198 /* Skip columns not marked as visible. */
2199 if (!get_column_visible(i))
2201 switch (cf->cinfo.col_fmt[i]) {
2203 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2206 line_bufp = get_line_buf(buf_offset + column_len);
2207 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2213 case COL_ABS_YMD_TIME: /* XXX - wider */
2214 case COL_ABS_YDOY_TIME: /* XXX - wider */
2216 case COL_UTC_YMD_TIME: /* XXX - wider */
2217 case COL_UTC_YDOY_TIME: /* XXX - wider */
2218 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2219 if (column_len < 10)
2221 line_bufp = get_line_buf(buf_offset + column_len);
2222 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2228 case COL_DEF_DL_SRC:
2229 case COL_RES_DL_SRC:
2230 case COL_UNRES_DL_SRC:
2231 case COL_DEF_NET_SRC:
2232 case COL_RES_NET_SRC:
2233 case COL_UNRES_NET_SRC:
2234 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2235 if (column_len < 12)
2237 line_bufp = get_line_buf(buf_offset + column_len);
2238 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2244 case COL_DEF_DL_DST:
2245 case COL_RES_DL_DST:
2246 case COL_UNRES_DL_DST:
2247 case COL_DEF_NET_DST:
2248 case COL_RES_NET_DST:
2249 case COL_UNRES_NET_DST:
2250 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2251 if (column_len < 12)
2253 line_bufp = get_line_buf(buf_offset + column_len);
2254 put_string_spaces(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2258 column_len = strlen(cf->cinfo.col_data[i]);
2259 line_bufp = get_line_buf(buf_offset + column_len);
2260 put_string(line_bufp + buf_offset, cf->cinfo.col_data[i], column_len);
2263 buf_offset += column_len;
2264 if (i != cf->cinfo.num_cols - 1) {
2266 * This isn't the last column, so we need to print a
2267 * separator between this column and the next.
2269 * If we printed a network source and are printing a
2270 * network destination of the same type next, separate
2271 * them with " -> "; if we printed a network destination
2272 * and are printing a network source of the same type
2273 * next, separate them with " <- "; otherwise separate them
2276 * We add enough space to the buffer for " <- " or " -> ",
2277 * even if we're only adding " ".
2279 line_bufp = get_line_buf(buf_offset + 4);
2280 switch (cf->cinfo.col_fmt[i]) {
2285 switch (cf->cinfo.col_fmt[i + 1]) {
2290 put_string(line_bufp + buf_offset, " -> ", 4);
2295 put_string(line_bufp + buf_offset, " ", 1);
2301 case COL_DEF_DL_SRC:
2302 case COL_RES_DL_SRC:
2303 case COL_UNRES_DL_SRC:
2304 switch (cf->cinfo.col_fmt[i + 1]) {
2306 case COL_DEF_DL_DST:
2307 case COL_RES_DL_DST:
2308 case COL_UNRES_DL_DST:
2309 put_string(line_bufp + buf_offset, " -> ", 4);
2314 put_string(line_bufp + buf_offset, " ", 1);
2320 case COL_DEF_NET_SRC:
2321 case COL_RES_NET_SRC:
2322 case COL_UNRES_NET_SRC:
2323 switch (cf->cinfo.col_fmt[i + 1]) {
2325 case COL_DEF_NET_DST:
2326 case COL_RES_NET_DST:
2327 case COL_UNRES_NET_DST:
2328 put_string(line_bufp + buf_offset, " -> ", 4);
2333 put_string(line_bufp + buf_offset, " ", 1);
2342 switch (cf->cinfo.col_fmt[i + 1]) {
2347 put_string(line_bufp + buf_offset, " <- ", 4);
2352 put_string(line_bufp + buf_offset, " ", 1);
2358 case COL_DEF_DL_DST:
2359 case COL_RES_DL_DST:
2360 case COL_UNRES_DL_DST:
2361 switch (cf->cinfo.col_fmt[i + 1]) {
2363 case COL_DEF_DL_SRC:
2364 case COL_RES_DL_SRC:
2365 case COL_UNRES_DL_SRC:
2366 put_string(line_bufp + buf_offset, " <- ", 4);
2371 put_string(line_bufp + buf_offset, " ", 1);
2377 case COL_DEF_NET_DST:
2378 case COL_RES_NET_DST:
2379 case COL_UNRES_NET_DST:
2380 switch (cf->cinfo.col_fmt[i + 1]) {
2382 case COL_DEF_NET_SRC:
2383 case COL_RES_NET_SRC:
2384 case COL_UNRES_NET_SRC:
2385 put_string(line_bufp + buf_offset, " <- ", 4);
2390 put_string(line_bufp + buf_offset, " ", 1);
2397 put_string(line_bufp + buf_offset, " ", 1);
2403 return print_line(print_stream, 0, line_bufp);
2407 print_packet(capture_file *cf, epan_dissect_t *edt)
2409 print_args_t print_args;
2411 if (print_summary || output_fields_has_cols(output_fields)) {
2412 /* Just fill in the columns. */
2413 epan_dissect_fill_in_columns(edt, FALSE, TRUE);
2415 if (print_summary) {
2416 /* Now print them. */
2417 switch (output_action) {
2420 if (!print_columns(cf))
2425 proto_tree_write_psml(edt, stdout);
2426 return !ferror(stdout);
2427 case WRITE_FIELDS: /*No non-verbose "fields" format */
2428 g_assert_not_reached();
2433 if (print_details) {
2434 /* Print the information in the protocol tree. */
2435 switch (output_action) {
2438 /* Only initialize the fields that are actually used in proto_tree_print.
2439 * This is particularly important for .range, as that's heap memory which
2440 * we would otherwise have to g_free().
2441 print_args.to_file = TRUE;
2442 print_args.format = print_format;
2443 print_args.print_summary = print_summary;
2444 print_args.print_formfeed = FALSE;
2445 packet_range_init(&print_args.range, &cfile);
2447 print_args.print_hex = print_hex;
2448 print_args.print_dissections = print_details ? print_dissections_expanded : print_dissections_none;
2450 if (!proto_tree_print(&print_args, edt, print_stream))
2453 if (!print_line(print_stream, 0, separator))
2459 proto_tree_write_pdml(edt, stdout);
2461 return !ferror(stdout);
2463 proto_tree_write_fields(output_fields, edt, &cf->cinfo, stdout);
2465 return !ferror(stdout);
2469 if (print_summary || print_details) {
2470 if (!print_line(print_stream, 0, ""))
2473 if (!print_hex_data(print_stream, edt))
2475 if (!print_line(print_stream, 0, separator))
2484 switch (output_action) {
2487 return print_finale(print_stream);
2491 write_pdml_finale(stdout);
2493 write_psml_finale(stdout);
2494 return !ferror(stdout);
2497 write_fields_finale(output_fields, stdout);
2498 return !ferror(stdout);
2501 g_assert_not_reached();
2507 cf_open(capture_file *cf, const char *fname, unsigned int type, gboolean is_tempfile, int *err)
2515 char err_msg[2048+1];
2518 fth = ftap_open_offline(fname, err, &err_info, perform_two_pass_analysis);
2522 wth = wtap_open_offline(fname, type, err, &err_info, perform_two_pass_analysis);
2527 /* The open succeeded. Fill in the information for this file. */
2529 /* Create new epan session for dissection. */
2530 epan_free(cf->epan);
2531 cf->epan = tfshark_epan_new(cf);
2534 cf->wth = (struct wtap*)fth; /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2538 cf->f_datalen = 0; /* not used, but set it anyway */
2540 /* Set the file name because we need it to set the follow stream filter.
2541 XXX - is that still true? We need it for other reasons, though,
2543 cf->filename = g_strdup(fname);
2545 /* Indicate whether it's a permanent or temporary file. */
2546 cf->is_tempfile = is_tempfile;
2548 /* No user changes yet. */
2549 cf->unsaved_changes = FALSE;
2551 cf->cd_t = ftap_file_type_subtype((struct ftap*)cf->wth); /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2552 cf->open_type = type;
2554 cf->drops_known = FALSE;
2556 cf->snap = ftap_snapshot_length((struct ftap*)cf->wth); /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2557 if (cf->snap == 0) {
2558 /* Snapshot length not known. */
2559 cf->has_snap = FALSE;
2560 cf->snap = FTAP_MAX_RECORD_SIZE;
2562 cf->has_snap = TRUE;
2563 nstime_set_zero(&cf->elapsed_time);
2568 cf->state = FILE_READ_IN_PROGRESS;
2573 g_snprintf(err_msg, sizeof err_msg,
2574 cf_open_error_message(*err, err_info, FALSE, cf->cd_t), fname);
2575 cmdarg_err("%s", err_msg);
2580 show_print_file_io_error(int err)
2585 cmdarg_err("Not all the packets could be printed because there is "
2586 "no space left on the file system.");
2591 cmdarg_err("Not all the packets could be printed because you are "
2592 "too close to, or over your disk quota.");
2597 cmdarg_err("An error occurred while printing packets: %s.",
2604 cf_open_error_message(int err, gchar *err_info, gboolean for_writing,
2608 static char errmsg_errno[1024+1];
2611 /* Wiretap error. */
2614 case FTAP_ERR_NOT_REGULAR_FILE:
2615 errmsg = "The file \"%s\" is a \"special file\" or socket or other non-regular file.";
2618 case FTAP_ERR_RANDOM_OPEN_PIPE:
2619 /* Seen only when opening a capture file for reading. */
2620 errmsg = "The file \"%s\" is a pipe or FIFO; TFShark can't read pipe or FIFO files in two-pass mode.";
2623 case FTAP_ERR_FILE_UNKNOWN_FORMAT:
2624 /* Seen only when opening a capture file for reading. */
2625 errmsg = "The file \"%s\" isn't a capture file in a format TFShark understands.";
2628 case FTAP_ERR_UNSUPPORTED:
2629 /* Seen only when opening a capture file for reading. */
2630 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2631 "The file \"%%s\" isn't a capture file in a format TFShark understands.\n"
2634 errmsg = errmsg_errno;
2637 case FTAP_ERR_CANT_WRITE_TO_PIPE:
2638 /* Seen only when opening a capture file for writing. */
2639 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2640 "The file \"%%s\" is a pipe, and \"%s\" capture files can't be "
2641 "written to a pipe.", ftap_file_type_subtype_short_string(file_type));
2642 errmsg = errmsg_errno;
2645 case FTAP_ERR_UNSUPPORTED_FILE_TYPE:
2646 /* Seen only when opening a capture file for writing. */
2647 errmsg = "TFShark doesn't support writing capture files in that format.";
2650 case FTAP_ERR_UNSUPPORTED_ENCAP:
2652 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2653 "TFShark can't save this capture as a \"%s\" file.",
2654 ftap_file_type_subtype_short_string(file_type));
2656 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2657 "The file \"%%s\" is a capture for a network type that TFShark doesn't support.\n"
2661 errmsg = errmsg_errno;
2664 case FTAP_ERR_ENCAP_PER_RECORD_UNSUPPORTED:
2666 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2667 "TFShark can't save this capture as a \"%s\" file.",
2668 ftap_file_type_subtype_short_string(file_type));
2669 errmsg = errmsg_errno;
2671 errmsg = "The file \"%s\" is a capture for a network type that TFShark doesn't support.";
2674 case FTAP_ERR_BAD_FILE:
2675 /* Seen only when opening a capture file for reading. */
2676 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2677 "The file \"%%s\" appears to be damaged or corrupt.\n"
2680 errmsg = errmsg_errno;
2683 case FTAP_ERR_CANT_OPEN:
2685 errmsg = "The file \"%s\" could not be created for some unknown reason.";
2687 errmsg = "The file \"%s\" could not be opened for some unknown reason.";
2690 case FTAP_ERR_SHORT_READ:
2691 errmsg = "The file \"%s\" appears to have been cut short"
2692 " in the middle of a packet or other data.";
2695 case FTAP_ERR_SHORT_WRITE:
2696 errmsg = "A full header couldn't be written to the file \"%s\".";
2699 case FTAP_ERR_COMPRESSION_NOT_SUPPORTED:
2700 errmsg = "This file type cannot be written as a compressed file.";
2703 case FTAP_ERR_DECOMPRESS:
2704 /* Seen only when opening a capture file for reading. */
2705 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2706 "The compressed file \"%%s\" appears to be damaged or corrupt.\n"
2709 errmsg = errmsg_errno;
2713 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2714 "The file \"%%s\" could not be %s: %s.",
2715 for_writing ? "created" : "opened",
2716 ftap_strerror(err));
2717 errmsg = errmsg_errno;
2721 errmsg = file_open_error_message(err, for_writing);
2726 * Open/create errors are reported with an console message in TFShark.
2729 open_failure_message(const char *filename, int err, gboolean for_writing)
2731 fprintf(stderr, "tfshark: ");
2732 fprintf(stderr, file_open_error_message(err, for_writing), filename);
2733 fprintf(stderr, "\n");
2738 * General errors are reported with an console message in TFShark.
2741 failure_message(const char *msg_format, va_list ap)
2743 fprintf(stderr, "tfshark: ");
2744 vfprintf(stderr, msg_format, ap);
2745 fprintf(stderr, "\n");
2749 * Read errors are reported with an console message in TFShark.
2752 read_failure_message(const char *filename, int err)
2754 cmdarg_err("An error occurred while reading from the file \"%s\": %s.",
2755 filename, g_strerror(err));
2759 * Write errors are reported with an console message in TFShark.
2762 write_failure_message(const char *filename, int err)
2764 cmdarg_err("An error occurred while writing to the file \"%s\": %s.",
2765 filename, g_strerror(err));
2769 * Report an error in command-line arguments.
2772 cmdarg_err(const char *fmt, ...)
2777 failure_message(fmt, ap);
2782 * Report additional information for an error in command-line arguments.
2785 cmdarg_err_cont(const char *fmt, ...)
2790 vfprintf(stderr, fmt, ap);
2791 fprintf(stderr, "\n");
2797 * Editor modelines - http://www.wireshark.org/tools/modelines.html
2802 * indent-tabs-mode: nil
2805 * vi: set shiftwidth=2 tabstop=8 expandtab:
2806 * :indentSize=2:tabSize=8:noTabs=true: