3 * Text-mode variant of Fileshark, based off of TShark,
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
51 #ifdef HAVE_SYS_STAT_H
52 # include <sys/stat.h>
56 #include "wsutil/wsgetopt.h"
61 #include <epan/exceptions.h>
62 #include <epan/epan-int.h>
63 #include <epan/epan.h>
64 #include <wsutil/crash_info.h>
65 #include <wsutil/privileges.h>
66 #include <wsutil/file_util.h>
67 #include <wsutil/filesystem.h>
68 #include <wsutil/report_err.h>
71 #include <epan/timestamp.h>
72 #include <epan/packet.h>
74 #include <epan/wslua/init_wslua.h>
77 #include "frame_tvbuff.h"
78 #include <epan/disabled_protos.h>
79 #include <epan/prefs.h>
80 #include <epan/column.h>
81 #include <epan/print.h>
82 #include <epan/addr_resolv.h>
84 #include "clopts_common.h"
85 #include "cmdarg_err.h"
86 #include "version_info.h"
88 #include <epan/epan_dissect.h>
90 #include <epan/stat_cmd_args.h>
91 #include <epan/timestamp.h>
92 #include <epan/ex-opt.h>
93 #include <filetap/ftap.h>
94 #include <wiretap/wtap-int.h>
95 #include <wiretap/file_wrappers.h>
98 #include <wsutil/unicode-utils.h>
102 #include <epan/funnel.h>
105 #include <wsutil/plugins.h>
109 * This is the template for the decode as option; it is shared between the
110 * various functions that output the usage for this parameter.
112 static const gchar decode_as_arg_template[] = "<layer_type>==<selector>,<decode_as_protocol>";
114 static guint32 cum_bytes;
115 static const frame_data *ref;
116 static frame_data ref_frame;
117 static frame_data *prev_dis;
118 static frame_data prev_dis_frame;
119 static frame_data *prev_cap;
120 static frame_data prev_cap_frame;
122 static const char* prev_display_dissector_name = NULL;
124 static gboolean perform_two_pass_analysis;
127 * The way the packet decode is to be written.
130 WRITE_TEXT, /* summary or detail text */
131 WRITE_XML, /* PDML or PSML */
132 WRITE_FIELDS /* User defined list of fields */
133 /* Add CSV and the like here */
136 static output_action_e output_action;
137 static gboolean do_dissection; /* TRUE if we have to dissect each packet */
138 static gboolean print_packet_info; /* TRUE if we're to print packet information */
139 static gint print_summary = -1; /* TRUE if we're to print packet summary information */
140 static gboolean print_details; /* TRUE if we're to print packet details information */
141 static gboolean print_hex; /* TRUE if we're to print hex/ascci information */
142 static gboolean line_buffered;
143 static gboolean really_quiet = FALSE;
145 static print_format_e print_format = PR_FMT_TEXT;
146 static print_stream_t *print_stream;
148 static output_fields_t* output_fields = NULL;
150 /* The line separator used between packets, changeable via the -S option */
151 static const char *separator = "";
153 static int load_cap_file(capture_file *, int, gint64);
154 static gboolean process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
155 struct wtap_pkthdr *whdr, const guchar *pd, guint tap_flags);
156 static void show_print_file_io_error(int err);
157 static gboolean write_preamble(capture_file *cf);
158 static gboolean print_packet(capture_file *cf, epan_dissect_t *edt);
159 static gboolean write_finale(void);
160 static const char *cf_open_error_message(int err, gchar *err_info,
161 gboolean for_writing, int file_type);
163 static void open_failure_message(const char *filename, int err,
164 gboolean for_writing);
165 static void failure_message(const char *msg_format, va_list ap);
166 static void read_failure_message(const char *filename, int err);
167 static void write_failure_message(const char *filename, int err);
173 const char *sstr; /* The short string */
174 const char *lstr; /* The long string */
178 string_compare(gconstpointer a, gconstpointer b)
180 return strcmp(((const struct string_elem *)a)->sstr,
181 ((const struct string_elem *)b)->sstr);
185 string_elem_print(gpointer data, gpointer not_used _U_)
187 fprintf(stderr, " %s - %s\n",
188 ((struct string_elem *)data)->sstr,
189 ((struct string_elem *)data)->lstr);
194 print_usage(gboolean print_ver)
201 "TFShark " VERSION "%s\n"
202 "Dump and analyze network traffic.\n"
203 "See http://www.wireshark.org for more information.\n"
206 wireshark_svnversion, get_copyright_info());
210 fprintf(output, "\n");
211 fprintf(output, "Usage: tfshark [options] ...\n");
212 fprintf(output, "\n");
214 /*fprintf(output, "\n");*/
215 fprintf(output, "Input file:\n");
216 fprintf(output, " -r <infile> set the filename to read from (no pipes or stdin!)\n");
218 fprintf(output, "\n");
219 fprintf(output, "Processing:\n");
220 fprintf(output, " -2 perform a two-pass analysis\n");
221 fprintf(output, " -R <read filter> packet Read filter in Wireshark display filter syntax\n");
222 fprintf(output, " -Y <display filter> packet displaY filter in Wireshark display filter\n");
223 fprintf(output, " syntax\n");
224 fprintf(output, " -d %s ...\n", decode_as_arg_template);
225 fprintf(output, " \"Decode As\", see the man page for details\n");
226 fprintf(output, " Example: tcp.port==8888,http\n");
228 /*fprintf(output, "\n");*/
229 fprintf(output, "Output:\n");
230 fprintf(output, " -C <config profile> start with specified configuration profile\n");
231 fprintf(output, " -V add output of packet tree (Packet Details)\n");
232 fprintf(output, " -O <protocols> Only show packet details of these protocols, comma\n");
233 fprintf(output, " separated\n");
234 fprintf(output, " -S <separator> the line separator to print between packets\n");
235 fprintf(output, " -x add output of hex and ASCII dump (Packet Bytes)\n");
236 fprintf(output, " -T pdml|ps|psml|text|fields\n");
237 fprintf(output, " format of text output (def: text)\n");
238 fprintf(output, " -e <field> field to print if -Tfields selected (e.g. tcp.port,\n");
239 fprintf(output, " _ws.col.Info)\n");
240 fprintf(output, " this option can be repeated to print multiple fields\n");
241 fprintf(output, " -E<fieldsoption>=<value> set options for output when -Tfields selected:\n");
242 fprintf(output, " header=y|n switch headers on and off\n");
243 fprintf(output, " separator=/t|/s|<char> select tab, space, printable character as separator\n");
244 fprintf(output, " occurrence=f|l|a print first, last or all occurrences of each field\n");
245 fprintf(output, " aggregator=,|/s|<char> select comma, space, printable character as\n");
246 fprintf(output, " aggregator\n");
247 fprintf(output, " quote=d|s|n select double, single, no quotes for values\n");
248 fprintf(output, " -t a|ad|d|dd|e|r|u|ud output format of time stamps (def: r: rel. to first)\n");
249 fprintf(output, " -u s|hms output format of seconds (def: s: seconds)\n");
250 fprintf(output, " -l flush standard output after each packet\n");
251 fprintf(output, " -q be more quiet on stdout (e.g. when using statistics)\n");
252 fprintf(output, " -Q only log true errors to stderr (quieter than -q)\n");
253 fprintf(output, " -X <key>:<value> eXtension options, see the man page for details\n");
254 fprintf(output, " -z <statistics> various statistics, see the man page for details\n");
256 fprintf(output, "\n");
257 fprintf(output, "Miscellaneous:\n");
258 fprintf(output, " -h display this help and exit\n");
259 fprintf(output, " -v display version info and exit\n");
260 fprintf(output, " -o <name>:<value> ... override preference setting\n");
261 fprintf(output, " -K <keytab> keytab file to use for kerberos decryption\n");
262 fprintf(output, " -G [report] dump one of several available reports and exit\n");
263 fprintf(output, " default report=\"fields\"\n");
264 fprintf(output, " use \"-G ?\" for more help\n");
268 glossary_option_help(void)
274 fprintf(output, "TFShark " VERSION "%s\n", wireshark_svnversion);
276 fprintf(output, "\n");
277 fprintf(output, "Usage: tfshark -G [report]\n");
278 fprintf(output, "\n");
279 fprintf(output, "Glossary table reports:\n");
280 fprintf(output, " -G column-formats dump column format codes and exit\n");
281 fprintf(output, " -G decodes dump \"layer type\"/\"decode as\" associations and exit\n");
282 fprintf(output, " -G fields dump fields glossary and exit\n");
283 fprintf(output, " -G ftypes dump field type basic and descriptive names\n");
284 fprintf(output, " -G heuristic-decodes dump heuristic dissector tables\n");
285 fprintf(output, " -G plugins dump installed plugins and exit\n");
286 fprintf(output, " -G protocols dump protocols in registration database and exit\n");
287 fprintf(output, " -G values dump value, range, true/false strings and exit\n");
288 fprintf(output, "\n");
289 fprintf(output, "Preference reports:\n");
290 fprintf(output, " -G currentprefs dump current preferences and exit\n");
291 fprintf(output, " -G defaultprefs dump default preferences and exit\n");
292 fprintf(output, "\n");
296 * For a dissector table, print on the stream described by output,
297 * its short name (which is what's used in the "-d" option) and its
301 display_dissector_table_names(const char *table_name, const char *ui_name,
304 if ((prev_display_dissector_name == NULL) ||
305 (strcmp(prev_display_dissector_name, table_name) != 0)) {
306 fprintf((FILE *)output, "\t%s (%s)\n", table_name, ui_name);
307 prev_display_dissector_name = table_name;
312 * For a dissector handle, print on the stream described by output,
313 * the filter name (which is what's used in the "-d" option) and the full
314 * name for the protocol that corresponds to this handle.
317 display_dissector_names(const gchar *table _U_, gpointer handle, gpointer output)
320 const gchar *proto_filter_name;
321 const gchar *proto_ui_name;
323 proto_id = dissector_handle_get_protocol_index((dissector_handle_t)handle);
325 if (proto_id != -1) {
326 proto_filter_name = proto_get_protocol_filter_name(proto_id);
327 proto_ui_name = proto_get_protocol_name(proto_id);
328 g_assert(proto_filter_name != NULL);
329 g_assert(proto_ui_name != NULL);
331 if ((prev_display_dissector_name == NULL) ||
332 (strcmp(prev_display_dissector_name, proto_filter_name) != 0)) {
333 fprintf((FILE *)output, "\t%s (%s)\n",
336 prev_display_dissector_name = proto_filter_name;
342 * The protocol_name_search structure is used by find_protocol_name_func()
343 * to pass parameters and store results
345 struct protocol_name_search{
346 gchar *searched_name; /* Protocol filter name we are looking for */
347 dissector_handle_t matched_handle; /* Handle for a dissector whose protocol has the specified filter name */
348 guint nb_match; /* How many dissectors matched searched_name */
350 typedef struct protocol_name_search *protocol_name_search_t;
353 * This function parses all dissectors associated with a table to find the
354 * one whose protocol has the specified filter name. It is called
355 * as a reference function in a call to dissector_table_foreach_handle.
356 * The name we are looking for, as well as the results, are stored in the
357 * protocol_name_search struct pointed to by user_data.
358 * If called using dissector_table_foreach_handle, we actually parse the
359 * whole list of dissectors.
362 find_protocol_name_func(const gchar *table _U_, gpointer handle, gpointer user_data)
366 const gchar *protocol_filter_name;
367 protocol_name_search_t search_info;
371 search_info = (protocol_name_search_t)user_data;
373 proto_id = dissector_handle_get_protocol_index((dissector_handle_t)handle);
374 if (proto_id != -1) {
375 protocol_filter_name = proto_get_protocol_filter_name(proto_id);
376 g_assert(protocol_filter_name != NULL);
377 if (strcmp(protocol_filter_name, search_info->searched_name) == 0) {
379 if (search_info->nb_match == 0) {
380 /* Record this handle only if this is the first match */
381 search_info->matched_handle = (dissector_handle_t)handle; /* Record the handle for this matching dissector */
383 search_info->nb_match++;
389 * Allow dissector key names to be sorted alphabetically
393 compare_dissector_key_name(gconstpointer dissector_a, gconstpointer dissector_b)
395 return strcmp((const char*)dissector_a, (const char*)dissector_b);
399 * Print all layer type names supported.
400 * We send the output to the stream described by the handle output.
404 fprint_all_layer_types(FILE *output)
407 prev_display_dissector_name = NULL;
408 dissector_all_tables_foreach_table(display_dissector_table_names, (gpointer)output, (GCompareFunc)compare_dissector_key_name);
412 * Print all protocol names supported for a specific layer type.
413 * table_name contains the layer type name in which the search is performed.
414 * We send the output to the stream described by the handle output.
418 fprint_all_protocols_for_layer_types(FILE *output, gchar *table_name)
421 prev_display_dissector_name = NULL;
422 dissector_table_foreach_handle(table_name,
423 display_dissector_names,
428 * The function below parses the command-line parameters for the decode as
429 * feature (a string pointer by cl_param).
430 * It checks the format of the command-line, searches for a matching table
431 * and dissector. If a table/dissector match is not found, we display a
432 * summary of the available tables/dissectors (on stderr) and return FALSE.
433 * If everything is fine, we get the "Decode as" preference activated,
434 * then we return TRUE.
437 add_decode_as(const gchar *cl_param)
440 guint32 selector, selector2;
441 gchar *decoded_param;
442 gchar *remaining_param;
444 gchar *dissector_str;
445 dissector_handle_t dissector_matching;
446 dissector_table_t table_matching;
447 ftenum_t dissector_table_selector_type;
448 struct protocol_name_search user_protocol_name;
452 /* The following code will allocate and copy the command-line options in a string pointed by decoded_param */
455 decoded_param = g_strdup(cl_param);
456 g_assert(decoded_param);
459 /* The lines below will parse this string (modifying it) to extract all
460 necessary information. Note that decoded_param is still needed since
461 strings are not copied - we just save pointers. */
463 /* This section extracts a layer type (table_name) from decoded_param */
464 table_name = decoded_param; /* Layer type string starts from beginning */
466 remaining_param = strchr(table_name, '=');
467 if (remaining_param == NULL) {
468 cmdarg_err("Parameter \"%s\" doesn't follow the template \"%s\"", cl_param, decode_as_arg_template);
469 /* If the argument does not follow the template, carry on anyway to check
470 if the table name is at least correct. If remaining_param is NULL,
471 we'll exit anyway further down */
474 *remaining_param = '\0'; /* Terminate the layer type string (table_name) where '=' was detected */
477 /* Remove leading and trailing spaces from the table name */
478 while ( table_name[0] == ' ' )
480 while ( table_name[strlen(table_name) - 1] == ' ' )
481 table_name[strlen(table_name) - 1] = '\0'; /* Note: if empty string, while loop will eventually exit */
483 /* The following part searches a table matching with the layer type specified */
484 table_matching = NULL;
486 /* Look for the requested table */
487 if ( !(*(table_name)) ) { /* Is the table name empty, if so, don't even search for anything, display a message */
488 cmdarg_err("No layer type specified"); /* Note, we don't exit here, but table_matching will remain NULL, so we exit below */
491 table_matching = find_dissector_table(table_name);
492 if (!table_matching) {
493 cmdarg_err("Unknown layer type -- %s", table_name); /* Note, we don't exit here, but table_matching will remain NULL, so we exit below */
497 if (!table_matching) {
498 /* Display a list of supported layer types to help the user, if the
499 specified layer type was not found */
500 cmdarg_err("Valid layer types are:");
501 fprint_all_layer_types(stderr);
503 if (remaining_param == NULL || !table_matching) {
504 /* Exit if the layer type was not found, or if no '=' separator was found
506 g_free(decoded_param);
510 if (*(remaining_param + 1) != '=') { /* Check for "==" and not only '=' */
511 cmdarg_err("WARNING: -d requires \"==\" instead of \"=\". Option will be treated as \"%s==%s\"", table_name, remaining_param + 1);
514 remaining_param++; /* Move to the second '=' */
515 *remaining_param = '\0'; /* Remove the second '=' */
517 remaining_param++; /* Position after the layer type string */
519 /* This section extracts a selector value (selector_str) from decoded_param */
521 selector_str = remaining_param; /* Next part starts with the selector number */
523 remaining_param = strchr(selector_str, ',');
524 if (remaining_param == NULL) {
525 cmdarg_err("Parameter \"%s\" doesn't follow the template \"%s\"", cl_param, decode_as_arg_template);
526 /* If the argument does not follow the template, carry on anyway to check
527 if the selector value is at least correct. If remaining_param is NULL,
528 we'll exit anyway further down */
531 *remaining_param = '\0'; /* Terminate the selector number string (selector_str) where ',' was detected */
534 dissector_table_selector_type = get_dissector_table_selector_type(table_name);
536 switch (dissector_table_selector_type) {
542 /* The selector for this table is an unsigned number. Parse it as such.
543 There's no need to remove leading and trailing spaces from the
544 selector number string, because sscanf will do that for us. */
545 switch (sscanf(selector_str, "%u%c%u", &selector, &op, &selector2)) {
550 if (op != ':' && op != '-') {
551 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
552 g_free(decoded_param);
556 if ((selector2 == 0) || ((guint64)selector + selector2 - 1) > G_MAXUINT32) {
557 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
558 g_free(decoded_param);
562 else if (selector2 < selector) {
563 /* We could swap them for the user, but maybe it's better to call
564 * this out as an error in case it's not what was intended? */
565 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
566 g_free(decoded_param);
571 cmdarg_err("Invalid selector number \"%s\"", selector_str);
572 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);
685 /* The selector for this table is a string. */
686 dissector_change_string(table_name, selector_str, dissector_matching);
690 /* There are currently no dissector tables with any types other
691 than the ones listed above. */
692 g_assert_not_reached();
694 g_free(decoded_param); /* "Decode As" rule has been successfully added */
699 tfshark_log_handler (const gchar *log_domain, GLogLevelFlags log_level,
700 const gchar *message, gpointer user_data)
702 /* ignore log message, if log_level isn't interesting based
703 upon the console log preferences.
704 If the preferences haven't been loaded loaded yet, display the
707 The default console_log_level preference value is such that only
708 ERROR, CRITICAL and WARNING level messages are processed;
709 MESSAGE, INFO and DEBUG level messages are ignored.
711 XXX: Aug 07, 2009: Prior tshark g_log code was hardwired to process only
712 ERROR and CRITICAL level messages so the current code is a behavioral
713 change. The current behavior is the same as in Wireshark.
715 if ((log_level & G_LOG_LEVEL_MASK & prefs.console_log_level) == 0 &&
716 prefs.console_log_level != 0) {
720 g_log_default_handler(log_domain, log_level, message, user_data);
725 print_current_user(void) {
726 gchar *cur_user, *cur_group;
728 if (started_with_special_privs()) {
729 cur_user = get_cur_username();
730 cur_group = get_cur_groupname();
731 fprintf(stderr, "Running as user \"%s\" and group \"%s\".",
732 cur_user, cur_group);
735 if (running_with_special_privs()) {
736 fprintf(stderr, " This could be dangerous.");
738 fprintf(stderr, "\n");
743 show_version(GString *comp_info_str, GString *runtime_info_str)
745 printf("TFShark " VERSION "%s\n"
752 wireshark_svnversion, get_copyright_info(), comp_info_str->str,
753 runtime_info_str->str);
757 main(int argc, char *argv[])
759 GString *comp_info_str;
760 GString *runtime_info_str;
761 char *init_progfile_dir_error;
763 gboolean arg_error = FALSE;
765 char *gpf_path, *pf_path;
766 char *gdp_path, *dp_path;
767 int gpf_open_errno, gpf_read_errno;
768 int pf_open_errno, pf_read_errno;
769 int gdp_open_errno, gdp_read_errno;
770 int dp_open_errno, dp_read_errno;
772 volatile int exit_status = 0;
773 gboolean quiet = FALSE;
774 gchar *volatile cf_name = NULL;
775 gchar *rfilter = NULL;
776 gchar *dfilter = NULL;
777 dfilter_t *rfcode = NULL;
778 dfilter_t *dfcode = NULL;
782 gchar *output_only = NULL;
784 /* the leading - ensures that getopt() does not permute the argv[] entries
785 we have to make sure that the first getopt() preserves the content of argv[]
786 for the subsequent getopt_long() call */
787 #define OPTSTRING "-2C:d:e:E:hK:lo:O:qQr:R:S:t:T:u:vVxX:Y:z:"
789 static const char optstring[] = OPTSTRING;
791 /* Assemble the compile-time version information string */
792 comp_info_str = g_string_new("Compiled ");
793 get_compiled_version_info(comp_info_str, NULL, epan_get_compiled_version_info);
795 /* Assemble the run-time version information string */
796 runtime_info_str = g_string_new("Running ");
797 get_runtime_version_info(runtime_info_str, NULL);
799 /* Add it to the information to be reported on a crash. */
800 ws_add_crash_info("TFShark " VERSION "%s\n"
805 wireshark_svnversion, comp_info_str->str, runtime_info_str->str);
808 arg_list_utf_16to8(argc, argv);
809 create_app_running_mutex();
810 #if !GLIB_CHECK_VERSION(2,31,0)
816 * Get credential information for later use.
818 init_process_policies();
821 * Attempt to get the pathname of the executable file.
823 init_progfile_dir_error = init_progfile_dir(argv[0], main);
824 if (init_progfile_dir_error != NULL) {
825 fprintf(stderr, "tfshark: Can't get pathname of tfshark program: %s.\n",
826 init_progfile_dir_error);
830 * In order to have the -X opts assigned before the wslua machine starts
831 * we need to call getopts before epan_init() gets called.
834 optind_initial = optind;
836 while ((opt = getopt(argc, argv, optstring)) != -1) {
838 case 'C': /* Configuration Profile */
839 if (profile_exists (optarg, FALSE)) {
840 set_profile_name (optarg);
842 cmdarg_err("Configuration Profile \"%s\" does not exist", optarg);
846 case 'O': /* Only output these protocols */
847 output_only = g_strdup(optarg);
849 case 'V': /* Verbose */
850 print_details = TRUE;
851 print_packet_info = TRUE;
853 case 'x': /* Print packet data in hex (and ASCII) */
855 /* The user asked for hex output, so let's ensure they get it,
856 * even if they're writing to a file.
858 print_packet_info = TRUE;
869 * Print packet summary information is the default, unless either -V or -x
870 * were specified. Note that this is new behavior, which
871 * allows for the possibility of printing only hex/ascii output without
872 * necessarily requiring that either the summary or details be printed too.
874 if (print_summary == -1)
875 print_summary = (print_details || print_hex) ? FALSE : TRUE;
877 optind = optind_initial;
882 /** Send All g_log messages to our own handler **/
886 G_LOG_LEVEL_CRITICAL|
891 G_LOG_FLAG_FATAL|G_LOG_FLAG_RECURSION;
893 g_log_set_handler(NULL,
894 (GLogLevelFlags)log_flags,
895 tfshark_log_handler, NULL /* user_data */);
896 g_log_set_handler(LOG_DOMAIN_MAIN,
897 (GLogLevelFlags)log_flags,
898 tfshark_log_handler, NULL /* user_data */);
900 initialize_funnel_ops();
902 init_report_err(failure_message, open_failure_message, read_failure_message,
903 write_failure_message);
905 timestamp_set_type(TS_RELATIVE);
906 timestamp_set_precision(TS_PREC_AUTO);
907 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
910 /* Register all the plugin types we have. */
911 epan_register_plugin_types(); /* Types known to libwireshark */
912 ftap_register_plugin_types(); /* Types known to libfiletap */
914 /* Scan for plugins. This does *not* call their registration routines;
915 that's done later. */
918 /* Register all libfiletap plugin modules. */
919 register_all_filetap_modules();
923 /* Register all dissectors; we must do this before checking for the
924 "-G" flag, as the "-G" flag dumps information registered by the
925 dissectors, and we must do it before we read the preferences, in
926 case any dissectors register preferences. */
927 epan_init(register_all_protocols, register_all_protocol_handoffs, NULL, NULL);
929 /* Register all tap listeners; we do this before we parse the arguments,
930 as the "-z" argument can specify a registered tap. */
932 /* we register the plugin taps before the other taps because
933 stats_tree taps plugins will be registered as tap listeners
934 by stats_tree_stat.c and need to registered before that */
936 register_all_plugin_tap_listeners();
938 register_all_tap_listeners();
940 /* If invoked with the "-G" flag, we dump out information based on
941 the argument to the "-G" flag; if no argument is specified,
942 for backwards compatibility we dump out a glossary of display
945 XXX - we do this here, for now, to support "-G" with no arguments.
946 If none of our build or other processes uses "-G" with no arguments,
947 we can just process it with the other arguments. */
948 if (argc >= 2 && strcmp(argv[1], "-G") == 0) {
949 proto_initialize_all_prefixes();
952 proto_registrar_dump_fields();
954 if (strcmp(argv[2], "column-formats") == 0)
955 column_dump_column_formats();
956 else if (strcmp(argv[2], "currentprefs") == 0) {
957 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
958 &pf_open_errno, &pf_read_errno, &pf_path);
961 else if (strcmp(argv[2], "decodes") == 0)
962 dissector_dump_decodes();
963 else if (strcmp(argv[2], "defaultprefs") == 0)
965 else if (strcmp(argv[2], "fields") == 0)
966 proto_registrar_dump_fields();
967 else if (strcmp(argv[2], "ftypes") == 0)
968 proto_registrar_dump_ftypes();
969 else if (strcmp(argv[2], "heuristic-decodes") == 0)
970 dissector_dump_heur_decodes();
971 else if (strcmp(argv[2], "plugins") == 0) {
976 wslua_plugins_dump_all();
979 else if (strcmp(argv[2], "protocols") == 0)
980 proto_registrar_dump_protocols();
981 else if (strcmp(argv[2], "values") == 0)
982 proto_registrar_dump_values();
983 else if (strcmp(argv[2], "?") == 0)
984 glossary_option_help();
985 else if (strcmp(argv[2], "-?") == 0)
986 glossary_option_help();
988 cmdarg_err("Invalid \"%s\" option for -G flag, enter -G ? for more help.", argv[2]);
995 /* Set the C-language locale to the native environment. */
996 setlocale(LC_ALL, "");
998 prefs_p = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
999 &pf_open_errno, &pf_read_errno, &pf_path);
1000 if (gpf_path != NULL) {
1001 if (gpf_open_errno != 0) {
1002 cmdarg_err("Can't open global preferences file \"%s\": %s.",
1003 pf_path, g_strerror(gpf_open_errno));
1005 if (gpf_read_errno != 0) {
1006 cmdarg_err("I/O error reading global preferences file \"%s\": %s.",
1007 pf_path, g_strerror(gpf_read_errno));
1010 if (pf_path != NULL) {
1011 if (pf_open_errno != 0) {
1012 cmdarg_err("Can't open your preferences file \"%s\": %s.", pf_path,
1013 g_strerror(pf_open_errno));
1015 if (pf_read_errno != 0) {
1016 cmdarg_err("I/O error reading your preferences file \"%s\": %s.",
1017 pf_path, g_strerror(pf_read_errno));
1023 /* Read the disabled protocols file. */
1024 read_disabled_protos_list(&gdp_path, &gdp_open_errno, &gdp_read_errno,
1025 &dp_path, &dp_open_errno, &dp_read_errno);
1026 if (gdp_path != NULL) {
1027 if (gdp_open_errno != 0) {
1028 cmdarg_err("Could not open global disabled protocols file\n\"%s\": %s.",
1029 gdp_path, g_strerror(gdp_open_errno));
1031 if (gdp_read_errno != 0) {
1032 cmdarg_err("I/O error reading global disabled protocols file\n\"%s\": %s.",
1033 gdp_path, g_strerror(gdp_read_errno));
1037 if (dp_path != NULL) {
1038 if (dp_open_errno != 0) {
1040 "Could not open your disabled protocols file\n\"%s\": %s.", dp_path,
1041 g_strerror(dp_open_errno));
1043 if (dp_read_errno != 0) {
1045 "I/O error reading your disabled protocols file\n\"%s\": %s.", dp_path,
1046 g_strerror(dp_read_errno));
1051 cap_file_init(&cfile);
1053 /* Print format defaults to this. */
1054 print_format = PR_FMT_TEXT;
1056 output_fields = output_fields_new();
1058 /* Now get our args */
1059 while ((opt = getopt(argc, argv, optstring)) != -1) {
1061 case '2': /* Perform two pass analysis */
1062 perform_two_pass_analysis = TRUE;
1065 /* Configuration profile settings were already processed just ignore them this time*/
1067 case 'd': /* Decode as rule */
1068 if (!add_decode_as(optarg))
1071 #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS)
1072 case 'K': /* Kerberos keytab file */
1073 read_keytab_file(optarg);
1078 output_fields_add(output_fields, optarg);
1082 if (!output_fields_set_option(output_fields, optarg)) {
1083 cmdarg_err("\"%s\" is not a valid field output option=value pair.", optarg);
1084 output_fields_list_options(stderr);
1089 case 'h': /* Print help and exit */
1093 case 'l': /* "Line-buffer" standard output */
1094 /* This isn't line-buffering, strictly speaking, it's just
1095 flushing the standard output after the information for
1096 each packet is printed; however, that should be good
1097 enough for all the purposes to which "-l" is put (and
1098 is probably actually better for "-V", as it does fewer
1101 See the comment in "process_packet()" for an explanation of
1102 why we do that, and why we don't just use "setvbuf()" to
1103 make the standard output line-buffered (short version: in
1104 Windows, "line-buffered" is the same as "fully-buffered",
1105 and the output buffer is only flushed when it fills up). */
1106 line_buffered = TRUE;
1108 case 'o': /* Override preference from command line */
1109 switch (prefs_set_pref(optarg)) {
1114 case PREFS_SET_SYNTAX_ERR:
1115 cmdarg_err("Invalid -o flag \"%s\"", optarg);
1119 case PREFS_SET_NO_SUCH_PREF:
1120 case PREFS_SET_OBSOLETE:
1121 cmdarg_err("-o flag \"%s\" specifies unknown preference", optarg);
1126 case 'q': /* Quiet */
1129 case 'Q': /* Really quiet */
1131 really_quiet = TRUE;
1133 case 'r': /* Read capture file x */
1134 cf_name = g_strdup(optarg);
1136 case 'R': /* Read file filter */
1139 case 'S': /* Set the line Separator to be printed between packets */
1140 separator = strdup(optarg);
1142 case 't': /* Time stamp type */
1143 if (strcmp(optarg, "r") == 0)
1144 timestamp_set_type(TS_RELATIVE);
1145 else if (strcmp(optarg, "a") == 0)
1146 timestamp_set_type(TS_ABSOLUTE);
1147 else if (strcmp(optarg, "ad") == 0)
1148 timestamp_set_type(TS_ABSOLUTE_WITH_YMD);
1149 else if (strcmp(optarg, "adoy") == 0)
1150 timestamp_set_type(TS_ABSOLUTE_WITH_YDOY);
1151 else if (strcmp(optarg, "d") == 0)
1152 timestamp_set_type(TS_DELTA);
1153 else if (strcmp(optarg, "dd") == 0)
1154 timestamp_set_type(TS_DELTA_DIS);
1155 else if (strcmp(optarg, "e") == 0)
1156 timestamp_set_type(TS_EPOCH);
1157 else if (strcmp(optarg, "u") == 0)
1158 timestamp_set_type(TS_UTC);
1159 else if (strcmp(optarg, "ud") == 0)
1160 timestamp_set_type(TS_UTC_WITH_YMD);
1161 else if (strcmp(optarg, "udoy") == 0)
1162 timestamp_set_type(TS_UTC_WITH_YDOY);
1164 cmdarg_err("Invalid time stamp type \"%s\"; it must be one of:", optarg);
1165 cmdarg_err_cont("\t\"a\" for absolute\n"
1166 "\t\"ad\" for absolute with YYYY-MM-DD date\n"
1167 "\t\"adoy\" for absolute with YYYY/DOY date\n"
1168 "\t\"d\" for delta\n"
1169 "\t\"dd\" for delta displayed\n"
1170 "\t\"e\" for epoch\n"
1171 "\t\"r\" for relative\n"
1172 "\t\"u\" for absolute UTC\n"
1173 "\t\"ud\" for absolute UTC with YYYY-MM-DD date\n"
1174 "\t\"udoy\" for absolute UTC with YYYY/DOY date");
1178 case 'T': /* printing Type */
1179 if (strcmp(optarg, "text") == 0) {
1180 output_action = WRITE_TEXT;
1181 print_format = PR_FMT_TEXT;
1182 } else if (strcmp(optarg, "ps") == 0) {
1183 output_action = WRITE_TEXT;
1184 print_format = PR_FMT_PS;
1185 } else if (strcmp(optarg, "pdml") == 0) {
1186 output_action = WRITE_XML;
1187 print_details = TRUE; /* Need details */
1188 print_summary = FALSE; /* Don't allow summary */
1189 } else if (strcmp(optarg, "psml") == 0) {
1190 output_action = WRITE_XML;
1191 print_details = FALSE; /* Don't allow details */
1192 print_summary = TRUE; /* Need summary */
1193 } else if (strcmp(optarg, "fields") == 0) {
1194 output_action = WRITE_FIELDS;
1195 print_details = TRUE; /* Need full tree info */
1196 print_summary = FALSE; /* Don't allow summary */
1198 cmdarg_err("Invalid -T parameter \"%s\"; it must be one of:", optarg); /* x */
1199 cmdarg_err_cont("\t\"fields\" The values of fields specified with the -e option, in a form\n"
1200 "\t specified by the -E option.\n"
1201 "\t\"pdml\" Packet Details Markup Language, an XML-based format for the\n"
1202 "\t details of a decoded packet. This information is equivalent to\n"
1203 "\t the packet details printed with the -V flag.\n"
1204 "\t\"ps\" PostScript for a human-readable one-line summary of each of\n"
1205 "\t the packets, or a multi-line view of the details of each of\n"
1206 "\t the packets, depending on whether the -V flag was specified.\n"
1207 "\t\"psml\" Packet Summary Markup Language, an XML-based format for the\n"
1208 "\t summary information of a decoded packet. This information is\n"
1209 "\t equivalent to the information shown in the one-line summary\n"
1210 "\t printed by default.\n"
1211 "\t\"text\" Text of a human-readable one-line summary of each of the\n"
1212 "\t packets, or a multi-line view of the details of each of the\n"
1213 "\t packets, depending on whether the -V flag was specified.\n"
1214 "\t This is the default.");
1218 case 'u': /* Seconds type */
1219 if (strcmp(optarg, "s") == 0)
1220 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
1221 else if (strcmp(optarg, "hms") == 0)
1222 timestamp_set_seconds_type(TS_SECONDS_HOUR_MIN_SEC);
1224 cmdarg_err("Invalid seconds type \"%s\"; it must be one of:", optarg);
1225 cmdarg_err_cont("\t\"s\" for seconds\n"
1226 "\t\"hms\" for hours, minutes and seconds");
1230 case 'v': /* Show version and exit */
1232 show_version(comp_info_str, runtime_info_str);
1233 g_string_free(comp_info_str, TRUE);
1234 g_string_free(runtime_info_str, TRUE);
1235 /* We don't really have to cleanup here, but it's a convenient way to test
1236 * start-up and shut-down of the epan library without any UI-specific
1237 * cruft getting in the way. Makes the results of running
1238 * $ ./tools/valgrind-wireshark -n
1239 * much more useful. */
1243 case 'O': /* Only output these protocols */
1244 /* already processed; just ignore it now */
1246 case 'V': /* Verbose */
1247 /* already processed; just ignore it now */
1249 case 'x': /* Print packet data in hex (and ASCII) */
1250 /* already processed; just ignore it now */
1258 /* We won't call the init function for the stat this soon
1259 as it would disallow MATE's fields (which are registered
1260 by the preferences set callback) from being used as
1261 part of a tap filter. Instead, we just add the argument
1262 to a list of stat arguments. */
1263 if (!process_stat_cmd_arg(optarg)) {
1264 if (strcmp("help", optarg)==0) {
1265 fprintf(stderr, "tfshark: The available statistics for the \"-z\" option are:\n");
1266 list_stat_cmd_args();
1269 cmdarg_err("Invalid -z argument \"%s\"; it must be one of:", optarg);
1270 list_stat_cmd_args();
1275 case '?': /* Bad flag - print usage message */
1282 /* If we specified output fields, but not the output field type... */
1283 if (WRITE_FIELDS != output_action && 0 != output_fields_num_fields(output_fields)) {
1284 cmdarg_err("Output fields were specified with \"-e\", "
1285 "but \"-Tfields\" was not specified.");
1287 } else if (WRITE_FIELDS == output_action && 0 == output_fields_num_fields(output_fields)) {
1288 cmdarg_err("\"-Tfields\" was specified, but no fields were "
1289 "specified with \"-e\".");
1294 /* If no capture filter or display filter has been specified, and there are
1295 still command-line arguments, treat them as the tokens of a capture
1296 filter (if no "-r" flag was specified) or a display filter (if a "-r"
1297 flag was specified. */
1298 if (optind < argc) {
1299 if (cf_name != NULL) {
1300 if (dfilter != NULL) {
1301 cmdarg_err("Display filters were specified both with \"-d\" "
1302 "and with additional command-line arguments.");
1305 dfilter = get_args_as_string(argc, argv, optind);
1309 /* if "-q" wasn't specified, we should print packet information */
1311 print_packet_info = TRUE;
1319 if (output_action != WRITE_TEXT) {
1320 cmdarg_err("Raw packet hex data can only be printed as text or PostScript");
1325 if (output_only != NULL) {
1328 if (!print_details) {
1329 cmdarg_err("-O requires -V");
1333 output_only_tables = g_hash_table_new (g_str_hash, g_str_equal);
1334 for (ps = strtok (output_only, ","); ps; ps = strtok (NULL, ",")) {
1335 g_hash_table_insert(output_only_tables, (gpointer)ps, (gpointer)ps);
1339 if (rfilter != NULL && !perform_two_pass_analysis) {
1340 cmdarg_err("-R without -2 is deprecated. For single-pass filtering use -Y.");
1344 /* Notify all registered modules that have had any of their preferences
1345 changed either from one of the preferences file or from the command
1346 line that their preferences have changed. */
1349 /* At this point MATE will have registered its field array so we can
1350 have a tap filter with one of MATE's late-registered fields as part
1351 of the filter. We can now process all the "-z" arguments. */
1352 start_requested_stats();
1354 /* disabled protocols as per configuration file */
1355 if (gdp_path == NULL && dp_path == NULL) {
1356 set_disabled_protos_list();
1359 /* Build the column format array */
1360 build_column_format_array(&cfile.cinfo, prefs_p->num_cols, TRUE);
1362 if (rfilter != NULL) {
1363 if (!dfilter_compile(rfilter, &rfcode)) {
1364 cmdarg_err("%s", dfilter_error_msg);
1369 cfile.rfcode = rfcode;
1371 if (dfilter != NULL) {
1372 if (!dfilter_compile(dfilter, &dfcode)) {
1373 cmdarg_err("%s", dfilter_error_msg);
1378 cfile.dfcode = dfcode;
1380 if (print_packet_info) {
1381 /* If we're printing as text or PostScript, we have
1382 to create a print stream. */
1383 if (output_action == WRITE_TEXT) {
1384 switch (print_format) {
1387 print_stream = print_stream_text_stdio_new(stdout);
1391 print_stream = print_stream_ps_stdio_new(stdout);
1395 g_assert_not_reached();
1400 /* We have to dissect each packet if:
1402 we're printing information about each packet;
1404 we're using a read filter on the packets;
1406 we're using a display filter on the packets;
1408 we're using any taps that need dissection. */
1409 do_dissection = print_packet_info || rfcode || dfcode || tap_listeners_require_dissection();
1413 * We're reading a capture file.
1417 * Immediately relinquish any special privileges we have; we must not
1418 * be allowed to read any capture files the user running TShark
1421 relinquish_special_privs_perm();
1422 print_current_user();
1424 if (cf_open(&cfile, cf_name, FALSE, &err) != CF_OK) {
1429 /* Process the packets in the file */
1431 /* XXX - for now there is only 1 packet */
1432 err = load_cap_file(&cfile, 1, 0);
1434 CATCH(OutOfMemoryError) {
1438 "Sorry, but TFShark has to terminate now!\n"
1440 "Some infos / workarounds can be found at:\n"
1441 "http://wiki.wireshark.org/KnownBugs/OutOfMemory\n");
1447 /* We still dump out the results of taps, etc., as we might have
1448 read some packets; however, we exit with an error status. */
1455 if (cfile.frames != NULL) {
1456 free_frame_data_sequence(cfile.frames);
1457 cfile.frames = NULL;
1460 draw_tap_listeners(TRUE);
1461 funnel_dump_all_text_windows();
1462 epan_free(cfile.epan);
1465 output_fields_free(output_fields);
1466 output_fields = NULL;
1471 static const nstime_t *
1472 tfshark_get_frame_ts(void *data, guint32 frame_num)
1474 capture_file *cf = (capture_file *) data;
1476 if (ref && ref->num == frame_num)
1477 return &ref->abs_ts;
1479 if (prev_dis && prev_dis->num == frame_num)
1480 return &prev_dis->abs_ts;
1482 if (prev_cap && prev_cap->num == frame_num)
1483 return &prev_cap->abs_ts;
1486 frame_data *fd = frame_data_sequence_find(cf->frames, frame_num);
1488 return (fd) ? &fd->abs_ts : NULL;
1495 no_interface_name(void *data _U_, guint32 interface_id _U_)
1501 tfshark_epan_new(capture_file *cf)
1503 epan_t *epan = epan_new();
1506 epan->get_frame_ts = tfshark_get_frame_ts;
1507 epan->get_interface_name = no_interface_name;
1508 epan->get_user_comment = NULL;
1514 process_packet_first_pass(capture_file *cf, epan_dissect_t *edt,
1515 gint64 offset, struct wtap_pkthdr *whdr,
1522 /* The frame number of this packet is one more than the count of
1523 frames in this packet. */
1524 framenum = cf->count + 1;
1526 /* If we're not running a display filter and we're not printing any
1527 packet information, we don't need to do a dissection. This means
1528 that all packets can be marked as 'passed'. */
1531 frame_data_init(&fdlocal, framenum, whdr, offset, cum_bytes);
1533 /* If we're going to print packet information, or we're going to
1534 run a read filter, or display filter, or we're going to process taps, set up to
1535 do a dissection and do so. */
1537 /* If we're running a read filter, prime the epan_dissect_t with that
1540 epan_dissect_prime_dfilter(edt, cf->rfcode);
1542 frame_data_set_before_dissect(&fdlocal, &cf->elapsed_time,
1544 if (ref == &fdlocal) {
1545 ref_frame = fdlocal;
1549 epan_dissect_file_run(edt, whdr, file_tvbuff_new(&fdlocal, pd), &fdlocal, NULL);
1551 /* Run the read filter if we have one. */
1553 passed = dfilter_apply_edt(cf->rfcode, edt);
1557 frame_data_set_after_dissect(&fdlocal, &cum_bytes);
1558 prev_cap = prev_dis = frame_data_sequence_add(cf->frames, &fdlocal);
1560 /* If we're not doing dissection then there won't be any dependent frames.
1561 * More importantly, edt.pi.dependent_frames won't be initialized because
1562 * epan hasn't been initialized.
1565 g_slist_foreach(edt->pi.dependent_frames, find_and_mark_frame_depended_upon, cf->frames);
1570 /* if we don't add it to the frame_data_sequence, clean it up right now
1572 frame_data_destroy(&fdlocal);
1576 epan_dissect_reset(edt);
1582 process_packet_second_pass(capture_file *cf, epan_dissect_t *edt, frame_data *fdata,
1583 struct wtap_pkthdr *phdr, Buffer *buf,
1589 /* If we're not running a display filter and we're not printing any
1590 packet information, we don't need to do a dissection. This means
1591 that all packets can be marked as 'passed'. */
1594 /* If we're going to print packet information, or we're going to
1595 run a read filter, or we're going to process taps, set up to
1596 do a dissection and do so. */
1599 /* If we're running a display filter, prime the epan_dissect_t with that
1602 epan_dissect_prime_dfilter(edt, cf->dfcode);
1604 col_custom_prime_edt(edt, &cf->cinfo);
1606 /* We only need the columns if either
1607 1) some tap needs the columns
1609 2) we're printing packet info but we're *not* verbose; in verbose
1610 mode, we print the protocol tree, not the protocol summary.
1612 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary))
1617 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1624 epan_dissect_file_run_with_taps(edt, phdr, file_tvbuff_new_buffer(fdata, buf), fdata, cinfo);
1626 /* Run the read/display filter if we have one. */
1628 passed = dfilter_apply_edt(cf->dfcode, edt);
1632 frame_data_set_after_dissect(fdata, &cum_bytes);
1633 /* Process this packet. */
1634 if (print_packet_info) {
1635 /* We're printing packet information; print the information for
1637 print_packet(cf, edt);
1639 /* The ANSI C standard does not appear to *require* that a line-buffered
1640 stream be flushed to the host environment whenever a newline is
1641 written, it just says that, on such a stream, characters "are
1642 intended to be transmitted to or from the host environment as a
1643 block when a new-line character is encountered".
1645 The Visual C++ 6.0 C implementation doesn't do what is intended;
1646 even if you set a stream to be line-buffered, it still doesn't
1647 flush the buffer at the end of every line.
1649 So, if the "-l" flag was specified, we flush the standard output
1650 at the end of a packet. This will do the right thing if we're
1651 printing packet summary lines, and, as we print the entire protocol
1652 tree for a single packet without waiting for anything to happen,
1653 it should be as good as line-buffered mode if we're printing
1654 protocol trees. (The whole reason for the "-l" flag in either
1655 tcpdump or TShark is to allow the output of a live capture to
1656 be piped to a program or script and to have that script see the
1657 information for the packet as soon as it's printed, rather than
1658 having to wait until a standard I/O buffer fills up. */
1662 if (ferror(stdout)) {
1663 show_print_file_io_error(errno);
1672 epan_dissect_reset(edt);
1674 return passed || fdata->flags.dependent_of_displayed;
1678 local_wtap_read(capture_file *cf, struct wtap_pkthdr* file_phdr, int *err, gchar **err_info, gint64 *data_offset _U_, guint8** data_buffer)
1681 gint64 packet_size = wtap_file_size(cf->wth, err);
1683 *data_buffer = (guint8*)g_malloc((gsize)packet_size);
1684 bytes_read = file_read(*data_buffer, (unsigned int)packet_size, cf->wth->fh);
1686 if (bytes_read < 0) {
1687 *err = file_error(cf->wth->fh, err_info);
1689 *err = FTAP_ERR_SHORT_READ;
1691 } else if (bytes_read == 0) {
1692 /* Done with file, no error */
1697 /* XXX - SET FRAME SIZE EQUAL TO TOTAL FILE SIZE */
1698 file_phdr->caplen = (guint32)packet_size;
1699 file_phdr->len = (guint32)packet_size;
1703 * Set the packet encapsulation to the file's encapsulation
1704 * value; if that's not WTAP_ENCAP_PER_PACKET, it's the
1705 * right answer (and means that the read routine for this
1706 * capture file type doesn't have to set it), and if it
1707 * *is* WTAP_ENCAP_PER_PACKET, the caller needs to set it
1710 wth->phdr.pkt_encap = wth->file_encap;
1712 if (!wth->subtype_read(wth, err, err_info, data_offset)) {
1714 * If we didn't get an error indication, we read
1715 * the last packet. See if there's any deferred
1716 * error, as might, for example, occur if we're
1717 * reading a compressed file, and we got an error
1718 * reading compressed data from the file, but
1719 * got enough compressed data to decompress the
1720 * last packet of the file.
1723 *err = file_error(wth->fh, err_info);
1724 return FALSE; /* failure */
1728 * It makes no sense for the captured data length to be bigger
1729 * than the actual data length.
1731 if (wth->phdr.caplen > wth->phdr.len)
1732 wth->phdr.caplen = wth->phdr.len;
1735 * Make sure that it's not WTAP_ENCAP_PER_PACKET, as that
1736 * probably means the file has that encapsulation type
1737 * but the read routine didn't set this packet's
1738 * encapsulation type.
1740 g_assert(wth->phdr.pkt_encap != WTAP_ENCAP_PER_PACKET);
1743 return TRUE; /* success */
1747 load_cap_file(capture_file *cf, int max_packet_count, gint64 max_byte_count)
1751 gchar *err_info = NULL;
1752 gint64 data_offset = 0;
1753 gboolean filtering_tap_listeners;
1756 epan_dissect_t *edt = NULL;
1757 struct wtap_pkthdr file_phdr;
1760 if (print_packet_info) {
1761 if (!write_preamble(cf)) {
1763 show_print_file_io_error(err);
1768 /* Do we have any tap listeners with filters? */
1769 filtering_tap_listeners = have_filtering_tap_listeners();
1771 /* Get the union of the flags for all tap listeners. */
1772 tap_flags = union_of_tap_listener_flags();
1774 memset(&file_phdr, 0, sizeof(file_phdr));
1776 /* XXX - TEMPORARY HACK TO ELF DISSECTOR */
1777 file_phdr.pkt_encap = 1234;
1779 if (perform_two_pass_analysis) {
1782 /* Allocate a frame_data_sequence for all the frames. */
1783 cf->frames = new_frame_data_sequence();
1785 if (do_dissection) {
1786 gboolean create_proto_tree = FALSE;
1788 /* If we're going to be applying a filter, we'll need to
1789 create a protocol tree against which to apply the filter. */
1791 create_proto_tree = TRUE;
1793 /* We're not going to display the protocol tree on this pass,
1794 so it's not going to be "visible". */
1795 edt = epan_dissect_new(cf->epan, create_proto_tree, FALSE);
1797 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1798 if (process_packet_first_pass(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1799 wtap_buf_ptr(cf->wth))) {
1801 /* Stop reading if we have the maximum number of packets;
1802 * When the -c option has not been used, max_packet_count
1803 * starts at 0, which practically means, never stop reading.
1804 * (unless we roll over max_packet_count ?)
1806 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1807 err = 0; /* This is not an error */
1814 epan_dissect_free(edt);
1819 /* Close the sequential I/O side, to free up memory it requires. */
1820 wtap_sequential_close(cf->wth);
1823 /* Allow the protocol dissectors to free up memory that they
1824 * don't need after the sequential run-through of the packets. */
1825 postseq_cleanup_all_protocols();
1829 buffer_init(&buf, 1500);
1831 if (do_dissection) {
1832 gboolean create_proto_tree;
1834 if (cf->dfcode || print_details || filtering_tap_listeners ||
1835 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1836 create_proto_tree = TRUE;
1838 create_proto_tree = FALSE;
1840 /* The protocol tree will be "visible", i.e., printed, only if we're
1841 printing packet details, which is true if we're printing stuff
1842 ("print_packet_info" is true) and we're in verbose mode
1843 ("packet_details" is true). */
1844 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1847 for (framenum = 1; err == 0 && framenum <= cf->count; framenum++) {
1848 fdata = frame_data_sequence_find(cf->frames, framenum);
1850 if (wtap_seek_read(cf->wth, fdata->file_off,
1851 &buf, fdata->cap_len, &err, &err_info)) {
1852 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1855 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1860 epan_dissect_free(edt);
1869 if (do_dissection) {
1870 gboolean create_proto_tree;
1872 if (cf->rfcode || cf->dfcode || print_details || filtering_tap_listeners ||
1873 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1874 create_proto_tree = TRUE;
1876 create_proto_tree = FALSE;
1878 /* The protocol tree will be "visible", i.e., printed, only if we're
1879 printing packet details, which is true if we're printing stuff
1880 ("print_packet_info" is true) and we're in verbose mode
1881 ("packet_details" is true). */
1882 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1885 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1889 process_packet(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1890 raw_data, tap_flags);
1892 /* Stop reading if we have the maximum number of packets;
1893 * When the -c option has not been used, max_packet_count
1894 * starts at 0, which practically means, never stop reading.
1895 * (unless we roll over max_packet_count ?)
1897 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1898 err = 0; /* This is not an error */
1904 epan_dissect_free(edt);
1911 * Print a message noting that the read failed somewhere along the line.
1913 * If we're printing packet data, and the standard output and error are
1914 * going to the same place, flush the standard output, so everything
1915 * buffered up is written, and then print a newline to the standard error
1916 * before printing the error message, to separate it from the packet
1917 * data. (Alas, that only works on UN*X; st_dev is meaningless, and
1918 * the _fstat() documentation at Microsoft doesn't indicate whether
1919 * st_ino is even supported.)
1922 if (print_packet_info) {
1923 struct stat stat_stdout, stat_stderr;
1925 if (fstat(1, &stat_stdout) == 0 && fstat(2, &stat_stderr) == 0) {
1926 if (stat_stdout.st_dev == stat_stderr.st_dev &&
1927 stat_stdout.st_ino == stat_stderr.st_ino) {
1929 fprintf(stderr, "\n");
1936 case FTAP_ERR_UNSUPPORTED:
1937 cmdarg_err("The file \"%s\" contains record data that TFShark doesn't support.\n(%s)",
1938 cf->filename, err_info);
1942 case FTAP_ERR_UNSUPPORTED_ENCAP:
1943 cmdarg_err("The file \"%s\" has a packet with a network type that TFShark doesn't support.\n(%s)",
1944 cf->filename, err_info);
1948 case FTAP_ERR_CANT_READ:
1949 cmdarg_err("An attempt to read from the file \"%s\" failed for some unknown reason.",
1953 case FTAP_ERR_SHORT_READ:
1954 cmdarg_err("The file \"%s\" appears to have been cut short in the middle of a packet.",
1958 case FTAP_ERR_BAD_FILE:
1959 cmdarg_err("The file \"%s\" appears to be damaged or corrupt.\n(%s)",
1960 cf->filename, err_info);
1964 case FTAP_ERR_DECOMPRESS:
1965 cmdarg_err("The compressed file \"%s\" appears to be damaged or corrupt.\n"
1966 "(%s)", cf->filename, err_info);
1970 cmdarg_err("An error occurred while reading the file \"%s\": %s.",
1971 cf->filename, ftap_strerror(err));
1975 if (print_packet_info) {
1976 if (!write_finale()) {
1978 show_print_file_io_error(err);
1984 wtap_close(cf->wth);
1991 process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
1992 struct wtap_pkthdr *whdr, const guchar *pd, guint tap_flags)
1998 /* Count this packet. */
2001 /* If we're not running a display filter and we're not printing any
2002 packet information, we don't need to do a dissection. This means
2003 that all packets can be marked as 'passed'. */
2006 frame_data_init(&fdata, cf->count, whdr, offset, cum_bytes);
2008 /* If we're going to print packet information, or we're going to
2009 run a read filter, or we're going to process taps, set up to
2010 do a dissection and do so. */
2012 /* If we're running a filter, prime the epan_dissect_t with that
2015 epan_dissect_prime_dfilter(edt, cf->dfcode);
2017 col_custom_prime_edt(edt, &cf->cinfo);
2019 /* We only need the columns if either
2020 1) some tap needs the columns
2022 2) we're printing packet info but we're *not* verbose; in verbose
2023 mode, we print the protocol tree, not the protocol summary.
2025 3) there is a column mapped as an individual field */
2026 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary) || output_fields_has_cols(output_fields))
2031 frame_data_set_before_dissect(&fdata, &cf->elapsed_time,
2033 if (ref == &fdata) {
2038 epan_dissect_file_run_with_taps(edt, whdr, frame_tvbuff_new(&fdata, pd), &fdata, cinfo);
2040 /* Run the filter if we have it. */
2042 passed = dfilter_apply_edt(cf->dfcode, edt);
2046 frame_data_set_after_dissect(&fdata, &cum_bytes);
2048 /* Process this packet. */
2049 if (print_packet_info) {
2050 /* We're printing packet information; print the information for
2052 print_packet(cf, edt);
2054 /* The ANSI C standard does not appear to *require* that a line-buffered
2055 stream be flushed to the host environment whenever a newline is
2056 written, it just says that, on such a stream, characters "are
2057 intended to be transmitted to or from the host environment as a
2058 block when a new-line character is encountered".
2060 The Visual C++ 6.0 C implementation doesn't do what is intended;
2061 even if you set a stream to be line-buffered, it still doesn't
2062 flush the buffer at the end of every line.
2064 So, if the "-l" flag was specified, we flush the standard output
2065 at the end of a packet. This will do the right thing if we're
2066 printing packet summary lines, and, as we print the entire protocol
2067 tree for a single packet without waiting for anything to happen,
2068 it should be as good as line-buffered mode if we're printing
2069 protocol trees. (The whole reason for the "-l" flag in either
2070 tcpdump or TShark is to allow the output of a live capture to
2071 be piped to a program or script and to have that script see the
2072 information for the packet as soon as it's printed, rather than
2073 having to wait until a standard I/O buffer fills up. */
2077 if (ferror(stdout)) {
2078 show_print_file_io_error(errno);
2083 /* this must be set after print_packet() [bug #8160] */
2084 prev_dis_frame = fdata;
2085 prev_dis = &prev_dis_frame;
2088 prev_cap_frame = fdata;
2089 prev_cap = &prev_cap_frame;
2092 epan_dissect_reset(edt);
2093 frame_data_destroy(&fdata);
2099 write_preamble(capture_file *cf)
2101 switch (output_action) {
2104 return print_preamble(print_stream, cf ? cf->filename : NULL, wireshark_svnversion);
2108 write_pdml_preamble(stdout, cf ? cf->filename : NULL);
2110 write_psml_preamble(stdout);
2111 return !ferror(stdout);
2114 write_fields_preamble(output_fields, stdout);
2115 return !ferror(stdout);
2118 g_assert_not_reached();
2124 get_line_buf(size_t len)
2126 static char *line_bufp = NULL;
2127 static size_t line_buf_len = 256;
2128 size_t new_line_buf_len;
2130 for (new_line_buf_len = line_buf_len; len > new_line_buf_len;
2131 new_line_buf_len *= 2)
2133 if (line_bufp == NULL) {
2134 line_buf_len = new_line_buf_len;
2135 line_bufp = (char *)g_malloc(line_buf_len + 1);
2137 if (new_line_buf_len > line_buf_len) {
2138 line_buf_len = new_line_buf_len;
2139 line_bufp = (char *)g_realloc(line_bufp, line_buf_len + 1);
2146 put_string(char *dest, const char *str, size_t str_len)
2148 memcpy(dest, str, str_len);
2149 dest[str_len] = '\0';
2153 put_spaces_string(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2157 for (i = str_len; i < str_with_spaces; i++)
2160 put_string(dest, str, str_len);
2164 put_string_spaces(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2168 memcpy(dest, str, str_len);
2169 for (i = str_len; i < str_with_spaces; i++)
2172 dest[str_with_spaces] = '\0';
2176 print_columns(capture_file *cf)
2184 line_bufp = get_line_buf(256);
2187 for (i = 0; i < cf->cinfo.num_cols; i++) {
2188 /* Skip columns not marked as visible. */
2189 if (!get_column_visible(i))
2191 switch (cf->cinfo.col_fmt[i]) {
2193 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2196 line_bufp = get_line_buf(buf_offset + column_len);
2197 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2203 case COL_ABS_YMD_TIME: /* XXX - wider */
2204 case COL_ABS_YDOY_TIME: /* XXX - wider */
2206 case COL_UTC_YMD_TIME: /* XXX - wider */
2207 case COL_UTC_YDOY_TIME: /* XXX - wider */
2208 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2209 if (column_len < 10)
2211 line_bufp = get_line_buf(buf_offset + column_len);
2212 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2218 case COL_DEF_DL_SRC:
2219 case COL_RES_DL_SRC:
2220 case COL_UNRES_DL_SRC:
2221 case COL_DEF_NET_SRC:
2222 case COL_RES_NET_SRC:
2223 case COL_UNRES_NET_SRC:
2224 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2225 if (column_len < 12)
2227 line_bufp = get_line_buf(buf_offset + column_len);
2228 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2234 case COL_DEF_DL_DST:
2235 case COL_RES_DL_DST:
2236 case COL_UNRES_DL_DST:
2237 case COL_DEF_NET_DST:
2238 case COL_RES_NET_DST:
2239 case COL_UNRES_NET_DST:
2240 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2241 if (column_len < 12)
2243 line_bufp = get_line_buf(buf_offset + column_len);
2244 put_string_spaces(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2248 column_len = strlen(cf->cinfo.col_data[i]);
2249 line_bufp = get_line_buf(buf_offset + column_len);
2250 put_string(line_bufp + buf_offset, cf->cinfo.col_data[i], column_len);
2253 buf_offset += column_len;
2254 if (i != cf->cinfo.num_cols - 1) {
2256 * This isn't the last column, so we need to print a
2257 * separator between this column and the next.
2259 * If we printed a network source and are printing a
2260 * network destination of the same type next, separate
2261 * them with " -> "; if we printed a network destination
2262 * and are printing a network source of the same type
2263 * next, separate them with " <- "; otherwise separate them
2266 * We add enough space to the buffer for " <- " or " -> ",
2267 * even if we're only adding " ".
2269 line_bufp = get_line_buf(buf_offset + 4);
2270 switch (cf->cinfo.col_fmt[i]) {
2275 switch (cf->cinfo.col_fmt[i + 1]) {
2280 put_string(line_bufp + buf_offset, " -> ", 4);
2285 put_string(line_bufp + buf_offset, " ", 1);
2291 case COL_DEF_DL_SRC:
2292 case COL_RES_DL_SRC:
2293 case COL_UNRES_DL_SRC:
2294 switch (cf->cinfo.col_fmt[i + 1]) {
2296 case COL_DEF_DL_DST:
2297 case COL_RES_DL_DST:
2298 case COL_UNRES_DL_DST:
2299 put_string(line_bufp + buf_offset, " -> ", 4);
2304 put_string(line_bufp + buf_offset, " ", 1);
2310 case COL_DEF_NET_SRC:
2311 case COL_RES_NET_SRC:
2312 case COL_UNRES_NET_SRC:
2313 switch (cf->cinfo.col_fmt[i + 1]) {
2315 case COL_DEF_NET_DST:
2316 case COL_RES_NET_DST:
2317 case COL_UNRES_NET_DST:
2318 put_string(line_bufp + buf_offset, " -> ", 4);
2323 put_string(line_bufp + buf_offset, " ", 1);
2332 switch (cf->cinfo.col_fmt[i + 1]) {
2337 put_string(line_bufp + buf_offset, " <- ", 4);
2342 put_string(line_bufp + buf_offset, " ", 1);
2348 case COL_DEF_DL_DST:
2349 case COL_RES_DL_DST:
2350 case COL_UNRES_DL_DST:
2351 switch (cf->cinfo.col_fmt[i + 1]) {
2353 case COL_DEF_DL_SRC:
2354 case COL_RES_DL_SRC:
2355 case COL_UNRES_DL_SRC:
2356 put_string(line_bufp + buf_offset, " <- ", 4);
2361 put_string(line_bufp + buf_offset, " ", 1);
2367 case COL_DEF_NET_DST:
2368 case COL_RES_NET_DST:
2369 case COL_UNRES_NET_DST:
2370 switch (cf->cinfo.col_fmt[i + 1]) {
2372 case COL_DEF_NET_SRC:
2373 case COL_RES_NET_SRC:
2374 case COL_UNRES_NET_SRC:
2375 put_string(line_bufp + buf_offset, " <- ", 4);
2380 put_string(line_bufp + buf_offset, " ", 1);
2387 put_string(line_bufp + buf_offset, " ", 1);
2393 return print_line(print_stream, 0, line_bufp);
2397 print_packet(capture_file *cf, epan_dissect_t *edt)
2399 print_args_t print_args;
2401 if (print_summary || output_fields_has_cols(output_fields)) {
2402 /* Just fill in the columns. */
2403 epan_dissect_fill_in_columns(edt, FALSE, TRUE);
2405 if (print_summary) {
2406 /* Now print them. */
2407 switch (output_action) {
2410 if (!print_columns(cf))
2415 proto_tree_write_psml(edt, stdout);
2416 return !ferror(stdout);
2417 case WRITE_FIELDS: /*No non-verbose "fields" format */
2418 g_assert_not_reached();
2423 if (print_details) {
2424 /* Print the information in the protocol tree. */
2425 switch (output_action) {
2428 /* Only initialize the fields that are actually used in proto_tree_print.
2429 * This is particularly important for .range, as that's heap memory which
2430 * we would otherwise have to g_free().
2431 print_args.to_file = TRUE;
2432 print_args.format = print_format;
2433 print_args.print_summary = print_summary;
2434 print_args.print_formfeed = FALSE;
2435 packet_range_init(&print_args.range, &cfile);
2437 print_args.print_hex = print_hex;
2438 print_args.print_dissections = print_details ? print_dissections_expanded : print_dissections_none;
2440 if (!proto_tree_print(&print_args, edt, print_stream))
2443 if (!print_line(print_stream, 0, separator))
2449 proto_tree_write_pdml(edt, stdout);
2451 return !ferror(stdout);
2453 proto_tree_write_fields(output_fields, edt, &cf->cinfo, stdout);
2455 return !ferror(stdout);
2459 if (print_summary || print_details) {
2460 if (!print_line(print_stream, 0, ""))
2463 if (!print_hex_data(print_stream, edt))
2465 if (!print_line(print_stream, 0, separator))
2474 switch (output_action) {
2477 return print_finale(print_stream);
2481 write_pdml_finale(stdout);
2483 write_psml_finale(stdout);
2484 return !ferror(stdout);
2487 write_fields_finale(output_fields, stdout);
2488 return !ferror(stdout);
2491 g_assert_not_reached();
2497 cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err)
2505 char err_msg[2048+1];
2508 fth = ftap_open_offline(fname, err, &err_info, perform_two_pass_analysis);
2512 wth = wtap_open_offline(fname, err, &err_info, perform_two_pass_analysis);
2517 /* The open succeeded. Fill in the information for this file. */
2519 /* Create new epan session for dissection. */
2520 epan_free(cf->epan);
2521 cf->epan = tfshark_epan_new(cf);
2524 cf->wth = (struct wtap*)fth; /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2528 cf->f_datalen = 0; /* not used, but set it anyway */
2530 /* Set the file name because we need it to set the follow stream filter.
2531 XXX - is that still true? We need it for other reasons, though,
2533 cf->filename = g_strdup(fname);
2535 /* Indicate whether it's a permanent or temporary file. */
2536 cf->is_tempfile = is_tempfile;
2538 /* No user changes yet. */
2539 cf->unsaved_changes = FALSE;
2541 cf->cd_t = ftap_file_type_subtype((struct ftap*)cf->wth); /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2543 cf->drops_known = FALSE;
2545 cf->snap = ftap_snapshot_length((struct ftap*)cf->wth); /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2546 if (cf->snap == 0) {
2547 /* Snapshot length not known. */
2548 cf->has_snap = FALSE;
2549 cf->snap = FTAP_MAX_RECORD_SIZE;
2551 cf->has_snap = TRUE;
2552 nstime_set_zero(&cf->elapsed_time);
2557 cf->state = FILE_READ_IN_PROGRESS;
2562 g_snprintf(err_msg, sizeof err_msg,
2563 cf_open_error_message(*err, err_info, FALSE, cf->cd_t), fname);
2564 cmdarg_err("%s", err_msg);
2569 show_print_file_io_error(int err)
2574 cmdarg_err("Not all the packets could be printed because there is "
2575 "no space left on the file system.");
2580 cmdarg_err("Not all the packets could be printed because you are "
2581 "too close to, or over your disk quota.");
2586 cmdarg_err("An error occurred while printing packets: %s.",
2593 cf_open_error_message(int err, gchar *err_info, gboolean for_writing,
2597 static char errmsg_errno[1024+1];
2600 /* Wiretap error. */
2603 case FTAP_ERR_NOT_REGULAR_FILE:
2604 errmsg = "The file \"%s\" is a \"special file\" or socket or other non-regular file.";
2607 case FTAP_ERR_RANDOM_OPEN_PIPE:
2608 /* Seen only when opening a capture file for reading. */
2609 errmsg = "The file \"%s\" is a pipe or FIFO; TFShark can't read pipe or FIFO files in two-pass mode.";
2612 case FTAP_ERR_FILE_UNKNOWN_FORMAT:
2613 /* Seen only when opening a capture file for reading. */
2614 errmsg = "The file \"%s\" isn't a capture file in a format TFShark understands.";
2617 case FTAP_ERR_UNSUPPORTED:
2618 /* Seen only when opening a capture file for reading. */
2619 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2620 "The file \"%%s\" isn't a capture file in a format TFShark understands.\n"
2623 errmsg = errmsg_errno;
2626 case FTAP_ERR_CANT_WRITE_TO_PIPE:
2627 /* Seen only when opening a capture file for writing. */
2628 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2629 "The file \"%%s\" is a pipe, and \"%s\" capture files can't be "
2630 "written to a pipe.", ftap_file_type_subtype_short_string(file_type));
2631 errmsg = errmsg_errno;
2634 case FTAP_ERR_UNSUPPORTED_FILE_TYPE:
2635 /* Seen only when opening a capture file for writing. */
2636 errmsg = "TFShark doesn't support writing capture files in that format.";
2639 case FTAP_ERR_UNSUPPORTED_ENCAP:
2641 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2642 "TFShark can't save this capture as a \"%s\" file.",
2643 ftap_file_type_subtype_short_string(file_type));
2645 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2646 "The file \"%%s\" is a capture for a network type that TFShark doesn't support.\n"
2650 errmsg = errmsg_errno;
2653 case FTAP_ERR_ENCAP_PER_RECORD_UNSUPPORTED:
2655 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2656 "TFShark can't save this capture as a \"%s\" file.",
2657 ftap_file_type_subtype_short_string(file_type));
2658 errmsg = errmsg_errno;
2660 errmsg = "The file \"%s\" is a capture for a network type that TFShark doesn't support.";
2663 case FTAP_ERR_BAD_FILE:
2664 /* Seen only when opening a capture file for reading. */
2665 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2666 "The file \"%%s\" appears to be damaged or corrupt.\n"
2669 errmsg = errmsg_errno;
2672 case FTAP_ERR_CANT_OPEN:
2674 errmsg = "The file \"%s\" could not be created for some unknown reason.";
2676 errmsg = "The file \"%s\" could not be opened for some unknown reason.";
2679 case FTAP_ERR_SHORT_READ:
2680 errmsg = "The file \"%s\" appears to have been cut short"
2681 " in the middle of a packet or other data.";
2684 case FTAP_ERR_SHORT_WRITE:
2685 errmsg = "A full header couldn't be written to the file \"%s\".";
2688 case FTAP_ERR_COMPRESSION_NOT_SUPPORTED:
2689 errmsg = "This file type cannot be written as a compressed file.";
2692 case FTAP_ERR_DECOMPRESS:
2693 /* Seen only when opening a capture file for reading. */
2694 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2695 "The compressed file \"%%s\" appears to be damaged or corrupt.\n"
2698 errmsg = errmsg_errno;
2702 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2703 "The file \"%%s\" could not be %s: %s.",
2704 for_writing ? "created" : "opened",
2705 ftap_strerror(err));
2706 errmsg = errmsg_errno;
2710 errmsg = file_open_error_message(err, for_writing);
2715 * Open/create errors are reported with an console message in TFShark.
2718 open_failure_message(const char *filename, int err, gboolean for_writing)
2720 fprintf(stderr, "tfshark: ");
2721 fprintf(stderr, file_open_error_message(err, for_writing), filename);
2722 fprintf(stderr, "\n");
2727 * General errors are reported with an console message in TFShark.
2730 failure_message(const char *msg_format, va_list ap)
2732 fprintf(stderr, "tfshark: ");
2733 vfprintf(stderr, msg_format, ap);
2734 fprintf(stderr, "\n");
2738 * Read errors are reported with an console message in TFShark.
2741 read_failure_message(const char *filename, int err)
2743 cmdarg_err("An error occurred while reading from the file \"%s\": %s.",
2744 filename, g_strerror(err));
2748 * Write errors are reported with an console message in TFShark.
2751 write_failure_message(const char *filename, int err)
2753 cmdarg_err("An error occurred while writing to the file \"%s\": %s.",
2754 filename, g_strerror(err));
2758 * Report an error in command-line arguments.
2761 cmdarg_err(const char *fmt, ...)
2766 failure_message(fmt, ap);
2771 * Report additional information for an error in command-line arguments.
2774 cmdarg_err_cont(const char *fmt, ...)
2779 vfprintf(stderr, fmt, ap);
2780 fprintf(stderr, "\n");
2786 * Editor modelines - http://www.wireshark.org/tools/modelines.html
2791 * indent-tabs-mode: nil
2794 * vi: set shiftwidth=2 tabstop=8 expandtab:
2795 * :indentSize=2:tabSize=8:noTabs=true: