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>
67 #include <wsutil/copyright_info.h>
68 #include <wsutil/ws_version_info.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)
202 "Dump and analyze network traffic.\n"
203 "See http://www.wireshark.org for more information.\n"
206 get_ws_vcs_version_info(), 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 %s\n", get_ws_vcs_version_info());
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);
581 /* The selector for this table is a string. */
585 /* There are currently no dissector tables with any types other
586 than the ones listed above. */
587 g_assert_not_reached();
590 if (remaining_param == NULL) {
591 /* Exit if no ',' separator was found (see above) */
592 cmdarg_err("Valid protocols for layer type \"%s\" are:", table_name);
593 fprint_all_protocols_for_layer_types(stderr, table_name);
594 g_free(decoded_param);
598 remaining_param++; /* Position after the selector number string */
600 /* This section extracts a protocol filter name (dissector_str) from decoded_param */
602 dissector_str = remaining_param; /* All the rest of the string is the dissector (decode as protocol) name */
604 /* Remove leading and trailing spaces from the dissector name */
605 while ( dissector_str[0] == ' ' )
607 while ( dissector_str[strlen(dissector_str) - 1] == ' ' )
608 dissector_str[strlen(dissector_str) - 1] = '\0'; /* Note: if empty string, while loop will eventually exit */
610 dissector_matching = NULL;
612 /* We now have a pointer to the handle for the requested table inside the variable table_matching */
613 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 */
614 cmdarg_err("No protocol name specified"); /* Note, we don't exit here, but dissector_matching will remain NULL, so we exit below */
617 user_protocol_name.nb_match = 0;
618 user_protocol_name.searched_name = dissector_str;
619 user_protocol_name.matched_handle = NULL;
621 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 */
623 if (user_protocol_name.nb_match != 0) {
624 dissector_matching = user_protocol_name.matched_handle;
625 if (user_protocol_name.nb_match > 1) {
626 cmdarg_err("WARNING: Protocol \"%s\" matched %u dissectors, first one will be used", dissector_str, user_protocol_name.nb_match);
630 /* OK, check whether the problem is that there isn't any such
631 protocol, or that there is but it's not specified as a protocol
632 that's valid for that dissector table.
633 Note, we don't exit here, but dissector_matching will remain NULL,
635 if (proto_get_id_by_filter_name(dissector_str) == -1) {
636 /* No such protocol */
637 cmdarg_err("Unknown protocol -- \"%s\"", dissector_str);
639 cmdarg_err("Protocol \"%s\" isn't valid for layer type \"%s\"",
640 dissector_str, table_name);
645 if (!dissector_matching) {
646 cmdarg_err("Valid protocols for layer type \"%s\" are:", table_name);
647 fprint_all_protocols_for_layer_types(stderr, table_name);
648 g_free(decoded_param);
652 /* This is the end of the code that parses the command-line options.
653 All information is now stored in the variables:
657 The above variables that are strings are still pointing to areas within
658 decoded_parm. decoded_parm thus still needs to be kept allocated in
659 until we stop needing these variables
660 decoded_param will be deallocated at each exit point of this function */
663 /* We now have a pointer to the handle for the requested dissector
664 (requested protocol) inside the variable dissector_matching */
665 switch (dissector_table_selector_type) {
671 /* The selector for this table is an unsigned number. */
673 dissector_change_uint(table_name, selector, dissector_matching);
674 } else if (op == ':') {
675 for (i = selector; i < (guint64)selector + selector2; i++) {
676 dissector_change_uint(table_name, (guint32)i, dissector_matching);
678 } else { /* op == '-' */
679 for (i = selector; i <= selector2; i++) {
680 dissector_change_uint(table_name, (guint32)i, dissector_matching);
689 /* The selector for this table is a string. */
690 dissector_change_string(table_name, selector_str, dissector_matching);
694 /* There are currently no dissector tables with any types other
695 than the ones listed above. */
696 g_assert_not_reached();
698 g_free(decoded_param); /* "Decode As" rule has been successfully added */
703 tfshark_log_handler (const gchar *log_domain, GLogLevelFlags log_level,
704 const gchar *message, gpointer user_data)
706 /* ignore log message, if log_level isn't interesting based
707 upon the console log preferences.
708 If the preferences haven't been loaded loaded yet, display the
711 The default console_log_level preference value is such that only
712 ERROR, CRITICAL and WARNING level messages are processed;
713 MESSAGE, INFO and DEBUG level messages are ignored.
715 XXX: Aug 07, 2009: Prior tshark g_log code was hardwired to process only
716 ERROR and CRITICAL level messages so the current code is a behavioral
717 change. The current behavior is the same as in Wireshark.
719 if ((log_level & G_LOG_LEVEL_MASK & prefs.console_log_level) == 0 &&
720 prefs.console_log_level != 0) {
724 g_log_default_handler(log_domain, log_level, message, user_data);
729 print_current_user(void) {
730 gchar *cur_user, *cur_group;
732 if (started_with_special_privs()) {
733 cur_user = get_cur_username();
734 cur_group = get_cur_groupname();
735 fprintf(stderr, "Running as user \"%s\" and group \"%s\".",
736 cur_user, cur_group);
739 if (running_with_special_privs()) {
740 fprintf(stderr, " This could be dangerous.");
742 fprintf(stderr, "\n");
747 show_version(GString *comp_info_str, GString *runtime_info_str)
749 printf("TFShark %s\n"
756 get_ws_vcs_version_info(), get_copyright_info(), comp_info_str->str,
757 runtime_info_str->str);
761 main(int argc, char *argv[])
763 GString *comp_info_str;
764 GString *runtime_info_str;
765 char *init_progfile_dir_error;
767 gboolean arg_error = FALSE;
769 char *gpf_path, *pf_path;
770 char *gdp_path, *dp_path;
771 int gpf_open_errno, gpf_read_errno;
772 int pf_open_errno, pf_read_errno;
773 int gdp_open_errno, gdp_read_errno;
774 int dp_open_errno, dp_read_errno;
776 volatile int exit_status = 0;
777 gboolean quiet = FALSE;
778 gchar *volatile cf_name = NULL;
779 gchar *rfilter = NULL;
780 gchar *dfilter = NULL;
781 dfilter_t *rfcode = NULL;
782 dfilter_t *dfcode = NULL;
786 gchar *output_only = NULL;
788 /* the leading - ensures that getopt() does not permute the argv[] entries
789 we have to make sure that the first getopt() preserves the content of argv[]
790 for the subsequent getopt_long() call */
791 #define OPTSTRING "-2C:d:e:E:hK:lo:O:qQr:R:S:t:T:u:vVxX:Y:z:"
793 static const char optstring[] = OPTSTRING;
795 /* Assemble the compile-time version information string */
796 comp_info_str = g_string_new("Compiled ");
797 get_compiled_version_info(comp_info_str, NULL, epan_get_compiled_version_info);
799 /* Assemble the run-time version information string */
800 runtime_info_str = g_string_new("Running ");
801 get_runtime_version_info(runtime_info_str, NULL);
803 /* Add it to the information to be reported on a crash. */
804 ws_add_crash_info("TFShark %s\n"
809 get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
812 arg_list_utf_16to8(argc, argv);
813 create_app_running_mutex();
814 #if !GLIB_CHECK_VERSION(2,31,0)
820 * Get credential information for later use.
822 init_process_policies();
825 * Attempt to get the pathname of the executable file.
827 init_progfile_dir_error = init_progfile_dir(argv[0], main);
828 if (init_progfile_dir_error != NULL) {
829 fprintf(stderr, "tfshark: Can't get pathname of tfshark program: %s.\n",
830 init_progfile_dir_error);
834 * In order to have the -X opts assigned before the wslua machine starts
835 * we need to call getopts before epan_init() gets called.
838 optind_initial = optind;
840 while ((opt = getopt(argc, argv, optstring)) != -1) {
842 case 'C': /* Configuration Profile */
843 if (profile_exists (optarg, FALSE)) {
844 set_profile_name (optarg);
846 cmdarg_err("Configuration Profile \"%s\" does not exist", optarg);
850 case 'O': /* Only output these protocols */
851 output_only = g_strdup(optarg);
853 case 'V': /* Verbose */
854 print_details = TRUE;
855 print_packet_info = TRUE;
857 case 'x': /* Print packet data in hex (and ASCII) */
859 /* The user asked for hex output, so let's ensure they get it,
860 * even if they're writing to a file.
862 print_packet_info = TRUE;
873 * Print packet summary information is the default, unless either -V or -x
874 * were specified. Note that this is new behavior, which
875 * allows for the possibility of printing only hex/ascii output without
876 * necessarily requiring that either the summary or details be printed too.
878 if (print_summary == -1)
879 print_summary = (print_details || print_hex) ? FALSE : TRUE;
881 optind = optind_initial;
886 /** Send All g_log messages to our own handler **/
890 G_LOG_LEVEL_CRITICAL|
895 G_LOG_FLAG_FATAL|G_LOG_FLAG_RECURSION;
897 g_log_set_handler(NULL,
898 (GLogLevelFlags)log_flags,
899 tfshark_log_handler, NULL /* user_data */);
900 g_log_set_handler(LOG_DOMAIN_MAIN,
901 (GLogLevelFlags)log_flags,
902 tfshark_log_handler, NULL /* user_data */);
904 initialize_funnel_ops();
906 init_report_err(failure_message, open_failure_message, read_failure_message,
907 write_failure_message);
909 timestamp_set_type(TS_RELATIVE);
910 timestamp_set_precision(TS_PREC_AUTO);
911 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
913 init_open_routines();
916 /* Register all the plugin types we have. */
917 epan_register_plugin_types(); /* Types known to libwireshark */
918 ftap_register_plugin_types(); /* Types known to libfiletap */
920 /* Scan for plugins. This does *not* call their registration routines;
921 that's done later. */
924 /* Register all libfiletap plugin modules. */
925 register_all_filetap_modules();
929 /* Register all dissectors; we must do this before checking for the
930 "-G" flag, as the "-G" flag dumps information registered by the
931 dissectors, and we must do it before we read the preferences, in
932 case any dissectors register preferences. */
933 epan_init(register_all_protocols, register_all_protocol_handoffs, NULL, NULL);
935 /* Register all tap listeners; we do this before we parse the arguments,
936 as the "-z" argument can specify a registered tap. */
938 /* we register the plugin taps before the other taps because
939 stats_tree taps plugins will be registered as tap listeners
940 by stats_tree_stat.c and need to registered before that */
942 /* XXX Disable tap registration for now until we can get tfshark set up with
943 * its own set of taps and the necessary registration function etc.
945 register_all_plugin_tap_listeners();
947 register_all_tap_listeners();
950 /* If invoked with the "-G" flag, we dump out information based on
951 the argument to the "-G" flag; if no argument is specified,
952 for backwards compatibility we dump out a glossary of display
955 XXX - we do this here, for now, to support "-G" with no arguments.
956 If none of our build or other processes uses "-G" with no arguments,
957 we can just process it with the other arguments. */
958 if (argc >= 2 && strcmp(argv[1], "-G") == 0) {
959 proto_initialize_all_prefixes();
962 proto_registrar_dump_fields();
964 if (strcmp(argv[2], "column-formats") == 0)
965 column_dump_column_formats();
966 else if (strcmp(argv[2], "currentprefs") == 0) {
967 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
968 &pf_open_errno, &pf_read_errno, &pf_path);
971 else if (strcmp(argv[2], "decodes") == 0)
972 dissector_dump_decodes();
973 else if (strcmp(argv[2], "defaultprefs") == 0)
975 else if (strcmp(argv[2], "fields") == 0)
976 proto_registrar_dump_fields();
977 else if (strcmp(argv[2], "ftypes") == 0)
978 proto_registrar_dump_ftypes();
979 else if (strcmp(argv[2], "heuristic-decodes") == 0)
980 dissector_dump_heur_decodes();
981 else if (strcmp(argv[2], "plugins") == 0) {
986 wslua_plugins_dump_all();
989 else if (strcmp(argv[2], "protocols") == 0)
990 proto_registrar_dump_protocols();
991 else if (strcmp(argv[2], "values") == 0)
992 proto_registrar_dump_values();
993 else if (strcmp(argv[2], "?") == 0)
994 glossary_option_help();
995 else if (strcmp(argv[2], "-?") == 0)
996 glossary_option_help();
998 cmdarg_err("Invalid \"%s\" option for -G flag, enter -G ? for more help.", argv[2]);
1005 /* Set the C-language locale to the native environment. */
1006 setlocale(LC_ALL, "");
1008 prefs_p = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
1009 &pf_open_errno, &pf_read_errno, &pf_path);
1010 if (gpf_path != NULL) {
1011 if (gpf_open_errno != 0) {
1012 cmdarg_err("Can't open global preferences file \"%s\": %s.",
1013 pf_path, g_strerror(gpf_open_errno));
1015 if (gpf_read_errno != 0) {
1016 cmdarg_err("I/O error reading global preferences file \"%s\": %s.",
1017 pf_path, g_strerror(gpf_read_errno));
1020 if (pf_path != NULL) {
1021 if (pf_open_errno != 0) {
1022 cmdarg_err("Can't open your preferences file \"%s\": %s.", pf_path,
1023 g_strerror(pf_open_errno));
1025 if (pf_read_errno != 0) {
1026 cmdarg_err("I/O error reading your preferences file \"%s\": %s.",
1027 pf_path, g_strerror(pf_read_errno));
1033 /* Read the disabled protocols file. */
1034 read_disabled_protos_list(&gdp_path, &gdp_open_errno, &gdp_read_errno,
1035 &dp_path, &dp_open_errno, &dp_read_errno);
1036 if (gdp_path != NULL) {
1037 if (gdp_open_errno != 0) {
1038 cmdarg_err("Could not open global disabled protocols file\n\"%s\": %s.",
1039 gdp_path, g_strerror(gdp_open_errno));
1041 if (gdp_read_errno != 0) {
1042 cmdarg_err("I/O error reading global disabled protocols file\n\"%s\": %s.",
1043 gdp_path, g_strerror(gdp_read_errno));
1047 if (dp_path != NULL) {
1048 if (dp_open_errno != 0) {
1050 "Could not open your disabled protocols file\n\"%s\": %s.", dp_path,
1051 g_strerror(dp_open_errno));
1053 if (dp_read_errno != 0) {
1055 "I/O error reading your disabled protocols file\n\"%s\": %s.", dp_path,
1056 g_strerror(dp_read_errno));
1061 cap_file_init(&cfile);
1063 /* Print format defaults to this. */
1064 print_format = PR_FMT_TEXT;
1066 output_fields = output_fields_new();
1068 /* Now get our args */
1069 while ((opt = getopt(argc, argv, optstring)) != -1) {
1071 case '2': /* Perform two pass analysis */
1072 perform_two_pass_analysis = TRUE;
1075 /* Configuration profile settings were already processed just ignore them this time*/
1077 case 'd': /* Decode as rule */
1078 if (!add_decode_as(optarg))
1081 #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS)
1082 case 'K': /* Kerberos keytab file */
1083 read_keytab_file(optarg);
1088 output_fields_add(output_fields, optarg);
1092 if (!output_fields_set_option(output_fields, optarg)) {
1093 cmdarg_err("\"%s\" is not a valid field output option=value pair.", optarg);
1094 output_fields_list_options(stderr);
1099 case 'h': /* Print help and exit */
1103 case 'l': /* "Line-buffer" standard output */
1104 /* This isn't line-buffering, strictly speaking, it's just
1105 flushing the standard output after the information for
1106 each packet is printed; however, that should be good
1107 enough for all the purposes to which "-l" is put (and
1108 is probably actually better for "-V", as it does fewer
1111 See the comment in "process_packet()" for an explanation of
1112 why we do that, and why we don't just use "setvbuf()" to
1113 make the standard output line-buffered (short version: in
1114 Windows, "line-buffered" is the same as "fully-buffered",
1115 and the output buffer is only flushed when it fills up). */
1116 line_buffered = TRUE;
1118 case 'o': /* Override preference from command line */
1119 switch (prefs_set_pref(optarg)) {
1124 case PREFS_SET_SYNTAX_ERR:
1125 cmdarg_err("Invalid -o flag \"%s\"", optarg);
1129 case PREFS_SET_NO_SUCH_PREF:
1130 case PREFS_SET_OBSOLETE:
1131 cmdarg_err("-o flag \"%s\" specifies unknown preference", optarg);
1136 case 'q': /* Quiet */
1139 case 'Q': /* Really quiet */
1141 really_quiet = TRUE;
1143 case 'r': /* Read capture file x */
1144 cf_name = g_strdup(optarg);
1146 case 'R': /* Read file filter */
1149 case 'S': /* Set the line Separator to be printed between packets */
1150 separator = strdup(optarg);
1152 case 't': /* Time stamp type */
1153 if (strcmp(optarg, "r") == 0)
1154 timestamp_set_type(TS_RELATIVE);
1155 else if (strcmp(optarg, "a") == 0)
1156 timestamp_set_type(TS_ABSOLUTE);
1157 else if (strcmp(optarg, "ad") == 0)
1158 timestamp_set_type(TS_ABSOLUTE_WITH_YMD);
1159 else if (strcmp(optarg, "adoy") == 0)
1160 timestamp_set_type(TS_ABSOLUTE_WITH_YDOY);
1161 else if (strcmp(optarg, "d") == 0)
1162 timestamp_set_type(TS_DELTA);
1163 else if (strcmp(optarg, "dd") == 0)
1164 timestamp_set_type(TS_DELTA_DIS);
1165 else if (strcmp(optarg, "e") == 0)
1166 timestamp_set_type(TS_EPOCH);
1167 else if (strcmp(optarg, "u") == 0)
1168 timestamp_set_type(TS_UTC);
1169 else if (strcmp(optarg, "ud") == 0)
1170 timestamp_set_type(TS_UTC_WITH_YMD);
1171 else if (strcmp(optarg, "udoy") == 0)
1172 timestamp_set_type(TS_UTC_WITH_YDOY);
1174 cmdarg_err("Invalid time stamp type \"%s\"; it must be one of:", optarg);
1175 cmdarg_err_cont("\t\"a\" for absolute\n"
1176 "\t\"ad\" for absolute with YYYY-MM-DD date\n"
1177 "\t\"adoy\" for absolute with YYYY/DOY date\n"
1178 "\t\"d\" for delta\n"
1179 "\t\"dd\" for delta displayed\n"
1180 "\t\"e\" for epoch\n"
1181 "\t\"r\" for relative\n"
1182 "\t\"u\" for absolute UTC\n"
1183 "\t\"ud\" for absolute UTC with YYYY-MM-DD date\n"
1184 "\t\"udoy\" for absolute UTC with YYYY/DOY date");
1188 case 'T': /* printing Type */
1189 if (strcmp(optarg, "text") == 0) {
1190 output_action = WRITE_TEXT;
1191 print_format = PR_FMT_TEXT;
1192 } else if (strcmp(optarg, "ps") == 0) {
1193 output_action = WRITE_TEXT;
1194 print_format = PR_FMT_PS;
1195 } else if (strcmp(optarg, "pdml") == 0) {
1196 output_action = WRITE_XML;
1197 print_details = TRUE; /* Need details */
1198 print_summary = FALSE; /* Don't allow summary */
1199 } else if (strcmp(optarg, "psml") == 0) {
1200 output_action = WRITE_XML;
1201 print_details = FALSE; /* Don't allow details */
1202 print_summary = TRUE; /* Need summary */
1203 } else if (strcmp(optarg, "fields") == 0) {
1204 output_action = WRITE_FIELDS;
1205 print_details = TRUE; /* Need full tree info */
1206 print_summary = FALSE; /* Don't allow summary */
1208 cmdarg_err("Invalid -T parameter \"%s\"; it must be one of:", optarg); /* x */
1209 cmdarg_err_cont("\t\"fields\" The values of fields specified with the -e option, in a form\n"
1210 "\t specified by the -E option.\n"
1211 "\t\"pdml\" Packet Details Markup Language, an XML-based format for the\n"
1212 "\t details of a decoded packet. This information is equivalent to\n"
1213 "\t the packet details printed with the -V flag.\n"
1214 "\t\"ps\" PostScript for a human-readable one-line summary of each of\n"
1215 "\t the packets, or a multi-line view of the details of each of\n"
1216 "\t the packets, depending on whether the -V flag was specified.\n"
1217 "\t\"psml\" Packet Summary Markup Language, an XML-based format for the\n"
1218 "\t summary information of a decoded packet. This information is\n"
1219 "\t equivalent to the information shown in the one-line summary\n"
1220 "\t printed by default.\n"
1221 "\t\"text\" Text of a human-readable one-line summary of each of the\n"
1222 "\t packets, or a multi-line view of the details of each of the\n"
1223 "\t packets, depending on whether the -V flag was specified.\n"
1224 "\t This is the default.");
1228 case 'u': /* Seconds type */
1229 if (strcmp(optarg, "s") == 0)
1230 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
1231 else if (strcmp(optarg, "hms") == 0)
1232 timestamp_set_seconds_type(TS_SECONDS_HOUR_MIN_SEC);
1234 cmdarg_err("Invalid seconds type \"%s\"; it must be one of:", optarg);
1235 cmdarg_err_cont("\t\"s\" for seconds\n"
1236 "\t\"hms\" for hours, minutes and seconds");
1240 case 'v': /* Show version and exit */
1242 show_version(comp_info_str, runtime_info_str);
1243 g_string_free(comp_info_str, TRUE);
1244 g_string_free(runtime_info_str, TRUE);
1245 /* We don't really have to cleanup here, but it's a convenient way to test
1246 * start-up and shut-down of the epan library without any UI-specific
1247 * cruft getting in the way. Makes the results of running
1248 * $ ./tools/valgrind-wireshark -n
1249 * much more useful. */
1253 case 'O': /* Only output these protocols */
1254 /* already processed; just ignore it now */
1256 case 'V': /* Verbose */
1257 /* already processed; just ignore it now */
1259 case 'x': /* Print packet data in hex (and ASCII) */
1260 /* already processed; just ignore it now */
1268 /* We won't call the init function for the stat this soon
1269 as it would disallow MATE's fields (which are registered
1270 by the preferences set callback) from being used as
1271 part of a tap filter. Instead, we just add the argument
1272 to a list of stat arguments. */
1273 if (!process_stat_cmd_arg(optarg)) {
1274 if (strcmp("help", optarg)==0) {
1275 fprintf(stderr, "tfshark: The available statistics for the \"-z\" option are:\n");
1276 list_stat_cmd_args();
1279 cmdarg_err("Invalid -z argument \"%s\"; it must be one of:", optarg);
1280 list_stat_cmd_args();
1285 case '?': /* Bad flag - print usage message */
1292 /* If we specified output fields, but not the output field type... */
1293 if (WRITE_FIELDS != output_action && 0 != output_fields_num_fields(output_fields)) {
1294 cmdarg_err("Output fields were specified with \"-e\", "
1295 "but \"-Tfields\" was not specified.");
1297 } else if (WRITE_FIELDS == output_action && 0 == output_fields_num_fields(output_fields)) {
1298 cmdarg_err("\"-Tfields\" was specified, but no fields were "
1299 "specified with \"-e\".");
1304 /* If no capture filter or display filter has been specified, and there are
1305 still command-line arguments, treat them as the tokens of a capture
1306 filter (if no "-r" flag was specified) or a display filter (if a "-r"
1307 flag was specified. */
1308 if (optind < argc) {
1309 if (cf_name != NULL) {
1310 if (dfilter != NULL) {
1311 cmdarg_err("Display filters were specified both with \"-d\" "
1312 "and with additional command-line arguments.");
1315 dfilter = get_args_as_string(argc, argv, optind);
1319 /* if "-q" wasn't specified, we should print packet information */
1321 print_packet_info = TRUE;
1329 if (output_action != WRITE_TEXT) {
1330 cmdarg_err("Raw packet hex data can only be printed as text or PostScript");
1335 if (output_only != NULL) {
1338 if (!print_details) {
1339 cmdarg_err("-O requires -V");
1343 output_only_tables = g_hash_table_new (g_str_hash, g_str_equal);
1344 for (ps = strtok (output_only, ","); ps; ps = strtok (NULL, ",")) {
1345 g_hash_table_insert(output_only_tables, (gpointer)ps, (gpointer)ps);
1349 if (rfilter != NULL && !perform_two_pass_analysis) {
1350 cmdarg_err("-R without -2 is deprecated. For single-pass filtering use -Y.");
1354 /* Notify all registered modules that have had any of their preferences
1355 changed either from one of the preferences file or from the command
1356 line that their preferences have changed. */
1359 /* At this point MATE will have registered its field array so we can
1360 have a tap filter with one of MATE's late-registered fields as part
1361 of the filter. We can now process all the "-z" arguments. */
1362 start_requested_stats();
1364 /* disabled protocols as per configuration file */
1365 if (gdp_path == NULL && dp_path == NULL) {
1366 set_disabled_protos_list();
1369 /* Build the column format array */
1370 build_column_format_array(&cfile.cinfo, prefs_p->num_cols, TRUE);
1372 if (rfilter != NULL) {
1373 if (!dfilter_compile(rfilter, &rfcode)) {
1374 cmdarg_err("%s", dfilter_error_msg);
1379 cfile.rfcode = rfcode;
1381 if (dfilter != NULL) {
1382 if (!dfilter_compile(dfilter, &dfcode)) {
1383 cmdarg_err("%s", dfilter_error_msg);
1388 cfile.dfcode = dfcode;
1390 if (print_packet_info) {
1391 /* If we're printing as text or PostScript, we have
1392 to create a print stream. */
1393 if (output_action == WRITE_TEXT) {
1394 switch (print_format) {
1397 print_stream = print_stream_text_stdio_new(stdout);
1401 print_stream = print_stream_ps_stdio_new(stdout);
1405 g_assert_not_reached();
1410 /* We have to dissect each packet if:
1412 we're printing information about each packet;
1414 we're using a read filter on the packets;
1416 we're using a display filter on the packets;
1418 we're using any taps that need dissection. */
1419 do_dissection = print_packet_info || rfcode || dfcode || tap_listeners_require_dissection();
1423 * We're reading a capture file.
1427 * Immediately relinquish any special privileges we have; we must not
1428 * be allowed to read any capture files the user running TShark
1431 relinquish_special_privs_perm();
1432 print_current_user();
1434 /* TODO: if tfshark is ever changed to give the user a choice of which
1435 open_routine reader to use, then the following needs to change. */
1436 if (cf_open(&cfile, cf_name, WTAP_TYPE_AUTO, FALSE, &err) != CF_OK) {
1441 /* Process the packets in the file */
1443 /* XXX - for now there is only 1 packet */
1444 err = load_cap_file(&cfile, 1, 0);
1446 CATCH(OutOfMemoryError) {
1450 "Sorry, but TFShark has to terminate now!\n"
1452 "Some infos / workarounds can be found at:\n"
1453 "http://wiki.wireshark.org/KnownBugs/OutOfMemory\n");
1459 /* We still dump out the results of taps, etc., as we might have
1460 read some packets; however, we exit with an error status. */
1467 if (cfile.frames != NULL) {
1468 free_frame_data_sequence(cfile.frames);
1469 cfile.frames = NULL;
1472 draw_tap_listeners(TRUE);
1473 funnel_dump_all_text_windows();
1474 epan_free(cfile.epan);
1477 output_fields_free(output_fields);
1478 output_fields = NULL;
1483 static const nstime_t *
1484 tfshark_get_frame_ts(void *data, guint32 frame_num)
1486 capture_file *cf = (capture_file *) data;
1488 if (ref && ref->num == frame_num)
1489 return &ref->abs_ts;
1491 if (prev_dis && prev_dis->num == frame_num)
1492 return &prev_dis->abs_ts;
1494 if (prev_cap && prev_cap->num == frame_num)
1495 return &prev_cap->abs_ts;
1498 frame_data *fd = frame_data_sequence_find(cf->frames, frame_num);
1500 return (fd) ? &fd->abs_ts : NULL;
1507 no_interface_name(void *data _U_, guint32 interface_id _U_)
1513 tfshark_epan_new(capture_file *cf)
1515 epan_t *epan = epan_new();
1518 epan->get_frame_ts = tfshark_get_frame_ts;
1519 epan->get_interface_name = no_interface_name;
1520 epan->get_user_comment = NULL;
1526 process_packet_first_pass(capture_file *cf, epan_dissect_t *edt,
1527 gint64 offset, struct wtap_pkthdr *whdr,
1534 /* The frame number of this packet is one more than the count of
1535 frames in this packet. */
1536 framenum = cf->count + 1;
1538 /* If we're not running a display filter and we're not printing any
1539 packet information, we don't need to do a dissection. This means
1540 that all packets can be marked as 'passed'. */
1543 frame_data_init(&fdlocal, framenum, whdr, offset, cum_bytes);
1545 /* If we're going to print packet information, or we're going to
1546 run a read filter, or display filter, or we're going to process taps, set up to
1547 do a dissection and do so. */
1549 /* If we're running a read filter, prime the epan_dissect_t with that
1552 epan_dissect_prime_dfilter(edt, cf->rfcode);
1554 frame_data_set_before_dissect(&fdlocal, &cf->elapsed_time,
1556 if (ref == &fdlocal) {
1557 ref_frame = fdlocal;
1561 epan_dissect_file_run(edt, whdr, file_tvbuff_new(&fdlocal, pd), &fdlocal, NULL);
1563 /* Run the read filter if we have one. */
1565 passed = dfilter_apply_edt(cf->rfcode, edt);
1569 frame_data_set_after_dissect(&fdlocal, &cum_bytes);
1570 prev_cap = prev_dis = frame_data_sequence_add(cf->frames, &fdlocal);
1572 /* If we're not doing dissection then there won't be any dependent frames.
1573 * More importantly, edt.pi.dependent_frames won't be initialized because
1574 * epan hasn't been initialized.
1577 g_slist_foreach(edt->pi.dependent_frames, find_and_mark_frame_depended_upon, cf->frames);
1582 /* if we don't add it to the frame_data_sequence, clean it up right now
1584 frame_data_destroy(&fdlocal);
1588 epan_dissect_reset(edt);
1594 process_packet_second_pass(capture_file *cf, epan_dissect_t *edt, frame_data *fdata,
1595 struct wtap_pkthdr *phdr, Buffer *buf,
1601 /* If we're not running a display filter and we're not printing any
1602 packet information, we don't need to do a dissection. This means
1603 that all packets can be marked as 'passed'. */
1606 /* If we're going to print packet information, or we're going to
1607 run a read filter, or we're going to process taps, set up to
1608 do a dissection and do so. */
1611 /* If we're running a display filter, prime the epan_dissect_t with that
1614 epan_dissect_prime_dfilter(edt, cf->dfcode);
1616 col_custom_prime_edt(edt, &cf->cinfo);
1618 /* We only need the columns if either
1619 1) some tap needs the columns
1621 2) we're printing packet info but we're *not* verbose; in verbose
1622 mode, we print the protocol tree, not the protocol summary.
1624 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary))
1629 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1636 epan_dissect_file_run_with_taps(edt, phdr, file_tvbuff_new_buffer(fdata, buf), fdata, cinfo);
1638 /* Run the read/display filter if we have one. */
1640 passed = dfilter_apply_edt(cf->dfcode, edt);
1644 frame_data_set_after_dissect(fdata, &cum_bytes);
1645 /* Process this packet. */
1646 if (print_packet_info) {
1647 /* We're printing packet information; print the information for
1649 print_packet(cf, edt);
1651 /* The ANSI C standard does not appear to *require* that a line-buffered
1652 stream be flushed to the host environment whenever a newline is
1653 written, it just says that, on such a stream, characters "are
1654 intended to be transmitted to or from the host environment as a
1655 block when a new-line character is encountered".
1657 The Visual C++ 6.0 C implementation doesn't do what is intended;
1658 even if you set a stream to be line-buffered, it still doesn't
1659 flush the buffer at the end of every line.
1661 So, if the "-l" flag was specified, we flush the standard output
1662 at the end of a packet. This will do the right thing if we're
1663 printing packet summary lines, and, as we print the entire protocol
1664 tree for a single packet without waiting for anything to happen,
1665 it should be as good as line-buffered mode if we're printing
1666 protocol trees. (The whole reason for the "-l" flag in either
1667 tcpdump or TShark is to allow the output of a live capture to
1668 be piped to a program or script and to have that script see the
1669 information for the packet as soon as it's printed, rather than
1670 having to wait until a standard I/O buffer fills up. */
1674 if (ferror(stdout)) {
1675 show_print_file_io_error(errno);
1684 epan_dissect_reset(edt);
1686 return passed || fdata->flags.dependent_of_displayed;
1690 local_wtap_read(capture_file *cf, struct wtap_pkthdr* file_phdr, int *err, gchar **err_info, gint64 *data_offset _U_, guint8** data_buffer)
1693 gint64 packet_size = wtap_file_size(cf->wth, err);
1695 *data_buffer = (guint8*)g_malloc((gsize)packet_size);
1696 bytes_read = file_read(*data_buffer, (unsigned int)packet_size, cf->wth->fh);
1698 if (bytes_read < 0) {
1699 *err = file_error(cf->wth->fh, err_info);
1701 *err = FTAP_ERR_SHORT_READ;
1703 } else if (bytes_read == 0) {
1704 /* Done with file, no error */
1709 /* XXX - SET FRAME SIZE EQUAL TO TOTAL FILE SIZE */
1710 file_phdr->caplen = (guint32)packet_size;
1711 file_phdr->len = (guint32)packet_size;
1715 * Set the packet encapsulation to the file's encapsulation
1716 * value; if that's not WTAP_ENCAP_PER_PACKET, it's the
1717 * right answer (and means that the read routine for this
1718 * capture file type doesn't have to set it), and if it
1719 * *is* WTAP_ENCAP_PER_PACKET, the caller needs to set it
1722 wth->phdr.pkt_encap = wth->file_encap;
1724 if (!wth->subtype_read(wth, err, err_info, data_offset)) {
1726 * If we didn't get an error indication, we read
1727 * the last packet. See if there's any deferred
1728 * error, as might, for example, occur if we're
1729 * reading a compressed file, and we got an error
1730 * reading compressed data from the file, but
1731 * got enough compressed data to decompress the
1732 * last packet of the file.
1735 *err = file_error(wth->fh, err_info);
1736 return FALSE; /* failure */
1740 * It makes no sense for the captured data length to be bigger
1741 * than the actual data length.
1743 if (wth->phdr.caplen > wth->phdr.len)
1744 wth->phdr.caplen = wth->phdr.len;
1747 * Make sure that it's not WTAP_ENCAP_PER_PACKET, as that
1748 * probably means the file has that encapsulation type
1749 * but the read routine didn't set this packet's
1750 * encapsulation type.
1752 g_assert(wth->phdr.pkt_encap != WTAP_ENCAP_PER_PACKET);
1755 return TRUE; /* success */
1759 load_cap_file(capture_file *cf, int max_packet_count, gint64 max_byte_count)
1763 gchar *err_info = NULL;
1764 gint64 data_offset = 0;
1765 gboolean filtering_tap_listeners;
1768 epan_dissect_t *edt = NULL;
1769 struct wtap_pkthdr file_phdr;
1772 if (print_packet_info) {
1773 if (!write_preamble(cf)) {
1775 show_print_file_io_error(err);
1780 /* Do we have any tap listeners with filters? */
1781 filtering_tap_listeners = have_filtering_tap_listeners();
1783 /* Get the union of the flags for all tap listeners. */
1784 tap_flags = union_of_tap_listener_flags();
1786 memset(&file_phdr, 0, sizeof(file_phdr));
1788 /* XXX - TEMPORARY HACK TO ELF DISSECTOR */
1789 file_phdr.pkt_encap = 1234;
1791 if (perform_two_pass_analysis) {
1794 /* Allocate a frame_data_sequence for all the frames. */
1795 cf->frames = new_frame_data_sequence();
1797 if (do_dissection) {
1798 gboolean create_proto_tree = FALSE;
1800 /* If we're going to be applying a filter, we'll need to
1801 create a protocol tree against which to apply the filter. */
1803 create_proto_tree = TRUE;
1805 /* We're not going to display the protocol tree on this pass,
1806 so it's not going to be "visible". */
1807 edt = epan_dissect_new(cf->epan, create_proto_tree, FALSE);
1809 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1810 if (process_packet_first_pass(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1811 wtap_buf_ptr(cf->wth))) {
1813 /* Stop reading if we have the maximum number of packets;
1814 * When the -c option has not been used, max_packet_count
1815 * starts at 0, which practically means, never stop reading.
1816 * (unless we roll over max_packet_count ?)
1818 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1819 err = 0; /* This is not an error */
1826 epan_dissect_free(edt);
1831 /* Close the sequential I/O side, to free up memory it requires. */
1832 wtap_sequential_close(cf->wth);
1835 /* Allow the protocol dissectors to free up memory that they
1836 * don't need after the sequential run-through of the packets. */
1837 postseq_cleanup_all_protocols();
1841 buffer_init(&buf, 1500);
1843 if (do_dissection) {
1844 gboolean create_proto_tree;
1846 if (cf->dfcode || print_details || filtering_tap_listeners ||
1847 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1848 create_proto_tree = TRUE;
1850 create_proto_tree = FALSE;
1852 /* The protocol tree will be "visible", i.e., printed, only if we're
1853 printing packet details, which is true if we're printing stuff
1854 ("print_packet_info" is true) and we're in verbose mode
1855 ("packet_details" is true). */
1856 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1859 for (framenum = 1; err == 0 && framenum <= cf->count; framenum++) {
1860 fdata = frame_data_sequence_find(cf->frames, framenum);
1862 if (wtap_seek_read(cf->wth, fdata->file_off,
1863 &buf, fdata->cap_len, &err, &err_info)) {
1864 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1867 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1872 epan_dissect_free(edt);
1881 if (do_dissection) {
1882 gboolean create_proto_tree;
1884 if (cf->rfcode || cf->dfcode || print_details || filtering_tap_listeners ||
1885 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1886 create_proto_tree = TRUE;
1888 create_proto_tree = FALSE;
1890 /* The protocol tree will be "visible", i.e., printed, only if we're
1891 printing packet details, which is true if we're printing stuff
1892 ("print_packet_info" is true) and we're in verbose mode
1893 ("packet_details" is true). */
1894 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1897 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1901 process_packet(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1902 raw_data, tap_flags);
1904 /* Stop reading if we have the maximum number of packets;
1905 * When the -c option has not been used, max_packet_count
1906 * starts at 0, which practically means, never stop reading.
1907 * (unless we roll over max_packet_count ?)
1909 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1910 err = 0; /* This is not an error */
1916 epan_dissect_free(edt);
1923 * Print a message noting that the read failed somewhere along the line.
1925 * If we're printing packet data, and the standard output and error are
1926 * going to the same place, flush the standard output, so everything
1927 * buffered up is written, and then print a newline to the standard error
1928 * before printing the error message, to separate it from the packet
1929 * data. (Alas, that only works on UN*X; st_dev is meaningless, and
1930 * the _fstat() documentation at Microsoft doesn't indicate whether
1931 * st_ino is even supported.)
1934 if (print_packet_info) {
1935 struct stat stat_stdout, stat_stderr;
1937 if (fstat(1, &stat_stdout) == 0 && fstat(2, &stat_stderr) == 0) {
1938 if (stat_stdout.st_dev == stat_stderr.st_dev &&
1939 stat_stdout.st_ino == stat_stderr.st_ino) {
1941 fprintf(stderr, "\n");
1948 case FTAP_ERR_UNSUPPORTED:
1949 cmdarg_err("The file \"%s\" contains record data that TFShark doesn't support.\n(%s)",
1950 cf->filename, err_info);
1954 case FTAP_ERR_UNSUPPORTED_ENCAP:
1955 cmdarg_err("The file \"%s\" has a packet with a network type that TFShark doesn't support.\n(%s)",
1956 cf->filename, err_info);
1960 case FTAP_ERR_CANT_READ:
1961 cmdarg_err("An attempt to read from the file \"%s\" failed for some unknown reason.",
1965 case FTAP_ERR_SHORT_READ:
1966 cmdarg_err("The file \"%s\" appears to have been cut short in the middle of a packet.",
1970 case FTAP_ERR_BAD_FILE:
1971 cmdarg_err("The file \"%s\" appears to be damaged or corrupt.\n(%s)",
1972 cf->filename, err_info);
1976 case FTAP_ERR_DECOMPRESS:
1977 cmdarg_err("The compressed file \"%s\" appears to be damaged or corrupt.\n"
1978 "(%s)", cf->filename, err_info);
1982 cmdarg_err("An error occurred while reading the file \"%s\": %s.",
1983 cf->filename, ftap_strerror(err));
1987 if (print_packet_info) {
1988 if (!write_finale()) {
1990 show_print_file_io_error(err);
1996 wtap_close(cf->wth);
2003 process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
2004 struct wtap_pkthdr *whdr, const guchar *pd, guint tap_flags)
2010 /* Count this packet. */
2013 /* If we're not running a display filter and we're not printing any
2014 packet information, we don't need to do a dissection. This means
2015 that all packets can be marked as 'passed'. */
2018 frame_data_init(&fdata, cf->count, whdr, offset, cum_bytes);
2020 /* If we're going to print packet information, or we're going to
2021 run a read filter, or we're going to process taps, set up to
2022 do a dissection and do so. */
2024 /* If we're running a filter, prime the epan_dissect_t with that
2027 epan_dissect_prime_dfilter(edt, cf->dfcode);
2029 col_custom_prime_edt(edt, &cf->cinfo);
2031 /* We only need the columns if either
2032 1) some tap needs the columns
2034 2) we're printing packet info but we're *not* verbose; in verbose
2035 mode, we print the protocol tree, not the protocol summary.
2037 3) there is a column mapped as an individual field */
2038 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary) || output_fields_has_cols(output_fields))
2043 frame_data_set_before_dissect(&fdata, &cf->elapsed_time,
2045 if (ref == &fdata) {
2050 epan_dissect_file_run_with_taps(edt, whdr, frame_tvbuff_new(&fdata, pd), &fdata, cinfo);
2052 /* Run the filter if we have it. */
2054 passed = dfilter_apply_edt(cf->dfcode, edt);
2058 frame_data_set_after_dissect(&fdata, &cum_bytes);
2060 /* Process this packet. */
2061 if (print_packet_info) {
2062 /* We're printing packet information; print the information for
2064 print_packet(cf, edt);
2066 /* The ANSI C standard does not appear to *require* that a line-buffered
2067 stream be flushed to the host environment whenever a newline is
2068 written, it just says that, on such a stream, characters "are
2069 intended to be transmitted to or from the host environment as a
2070 block when a new-line character is encountered".
2072 The Visual C++ 6.0 C implementation doesn't do what is intended;
2073 even if you set a stream to be line-buffered, it still doesn't
2074 flush the buffer at the end of every line.
2076 So, if the "-l" flag was specified, we flush the standard output
2077 at the end of a packet. This will do the right thing if we're
2078 printing packet summary lines, and, as we print the entire protocol
2079 tree for a single packet without waiting for anything to happen,
2080 it should be as good as line-buffered mode if we're printing
2081 protocol trees. (The whole reason for the "-l" flag in either
2082 tcpdump or TShark is to allow the output of a live capture to
2083 be piped to a program or script and to have that script see the
2084 information for the packet as soon as it's printed, rather than
2085 having to wait until a standard I/O buffer fills up. */
2089 if (ferror(stdout)) {
2090 show_print_file_io_error(errno);
2095 /* this must be set after print_packet() [bug #8160] */
2096 prev_dis_frame = fdata;
2097 prev_dis = &prev_dis_frame;
2100 prev_cap_frame = fdata;
2101 prev_cap = &prev_cap_frame;
2104 epan_dissect_reset(edt);
2105 frame_data_destroy(&fdata);
2111 write_preamble(capture_file *cf)
2113 switch (output_action) {
2116 return print_preamble(print_stream, cf ? cf->filename : NULL, get_ws_vcs_version_info());
2120 write_pdml_preamble(stdout, cf ? cf->filename : NULL);
2122 write_psml_preamble(stdout);
2123 return !ferror(stdout);
2126 write_fields_preamble(output_fields, stdout);
2127 return !ferror(stdout);
2130 g_assert_not_reached();
2136 get_line_buf(size_t len)
2138 static char *line_bufp = NULL;
2139 static size_t line_buf_len = 256;
2140 size_t new_line_buf_len;
2142 for (new_line_buf_len = line_buf_len; len > new_line_buf_len;
2143 new_line_buf_len *= 2)
2145 if (line_bufp == NULL) {
2146 line_buf_len = new_line_buf_len;
2147 line_bufp = (char *)g_malloc(line_buf_len + 1);
2149 if (new_line_buf_len > line_buf_len) {
2150 line_buf_len = new_line_buf_len;
2151 line_bufp = (char *)g_realloc(line_bufp, line_buf_len + 1);
2158 put_string(char *dest, const char *str, size_t str_len)
2160 memcpy(dest, str, str_len);
2161 dest[str_len] = '\0';
2165 put_spaces_string(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2169 for (i = str_len; i < str_with_spaces; i++)
2172 put_string(dest, str, str_len);
2176 put_string_spaces(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2180 memcpy(dest, str, str_len);
2181 for (i = str_len; i < str_with_spaces; i++)
2184 dest[str_with_spaces] = '\0';
2188 print_columns(capture_file *cf)
2196 line_bufp = get_line_buf(256);
2199 for (i = 0; i < cf->cinfo.num_cols; i++) {
2200 /* Skip columns not marked as visible. */
2201 if (!get_column_visible(i))
2203 switch (cf->cinfo.col_fmt[i]) {
2205 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2208 line_bufp = get_line_buf(buf_offset + column_len);
2209 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2215 case COL_ABS_YMD_TIME: /* XXX - wider */
2216 case COL_ABS_YDOY_TIME: /* XXX - wider */
2218 case COL_UTC_YMD_TIME: /* XXX - wider */
2219 case COL_UTC_YDOY_TIME: /* XXX - wider */
2220 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2221 if (column_len < 10)
2223 line_bufp = get_line_buf(buf_offset + column_len);
2224 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2230 case COL_DEF_DL_SRC:
2231 case COL_RES_DL_SRC:
2232 case COL_UNRES_DL_SRC:
2233 case COL_DEF_NET_SRC:
2234 case COL_RES_NET_SRC:
2235 case COL_UNRES_NET_SRC:
2236 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2237 if (column_len < 12)
2239 line_bufp = get_line_buf(buf_offset + column_len);
2240 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2246 case COL_DEF_DL_DST:
2247 case COL_RES_DL_DST:
2248 case COL_UNRES_DL_DST:
2249 case COL_DEF_NET_DST:
2250 case COL_RES_NET_DST:
2251 case COL_UNRES_NET_DST:
2252 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2253 if (column_len < 12)
2255 line_bufp = get_line_buf(buf_offset + column_len);
2256 put_string_spaces(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2260 column_len = strlen(cf->cinfo.col_data[i]);
2261 line_bufp = get_line_buf(buf_offset + column_len);
2262 put_string(line_bufp + buf_offset, cf->cinfo.col_data[i], column_len);
2265 buf_offset += column_len;
2266 if (i != cf->cinfo.num_cols - 1) {
2268 * This isn't the last column, so we need to print a
2269 * separator between this column and the next.
2271 * If we printed a network source and are printing a
2272 * network destination of the same type next, separate
2273 * them with " -> "; if we printed a network destination
2274 * and are printing a network source of the same type
2275 * next, separate them with " <- "; otherwise separate them
2278 * We add enough space to the buffer for " <- " or " -> ",
2279 * even if we're only adding " ".
2281 line_bufp = get_line_buf(buf_offset + 4);
2282 switch (cf->cinfo.col_fmt[i]) {
2287 switch (cf->cinfo.col_fmt[i + 1]) {
2292 put_string(line_bufp + buf_offset, " -> ", 4);
2297 put_string(line_bufp + buf_offset, " ", 1);
2303 case COL_DEF_DL_SRC:
2304 case COL_RES_DL_SRC:
2305 case COL_UNRES_DL_SRC:
2306 switch (cf->cinfo.col_fmt[i + 1]) {
2308 case COL_DEF_DL_DST:
2309 case COL_RES_DL_DST:
2310 case COL_UNRES_DL_DST:
2311 put_string(line_bufp + buf_offset, " -> ", 4);
2316 put_string(line_bufp + buf_offset, " ", 1);
2322 case COL_DEF_NET_SRC:
2323 case COL_RES_NET_SRC:
2324 case COL_UNRES_NET_SRC:
2325 switch (cf->cinfo.col_fmt[i + 1]) {
2327 case COL_DEF_NET_DST:
2328 case COL_RES_NET_DST:
2329 case COL_UNRES_NET_DST:
2330 put_string(line_bufp + buf_offset, " -> ", 4);
2335 put_string(line_bufp + buf_offset, " ", 1);
2344 switch (cf->cinfo.col_fmt[i + 1]) {
2349 put_string(line_bufp + buf_offset, " <- ", 4);
2354 put_string(line_bufp + buf_offset, " ", 1);
2360 case COL_DEF_DL_DST:
2361 case COL_RES_DL_DST:
2362 case COL_UNRES_DL_DST:
2363 switch (cf->cinfo.col_fmt[i + 1]) {
2365 case COL_DEF_DL_SRC:
2366 case COL_RES_DL_SRC:
2367 case COL_UNRES_DL_SRC:
2368 put_string(line_bufp + buf_offset, " <- ", 4);
2373 put_string(line_bufp + buf_offset, " ", 1);
2379 case COL_DEF_NET_DST:
2380 case COL_RES_NET_DST:
2381 case COL_UNRES_NET_DST:
2382 switch (cf->cinfo.col_fmt[i + 1]) {
2384 case COL_DEF_NET_SRC:
2385 case COL_RES_NET_SRC:
2386 case COL_UNRES_NET_SRC:
2387 put_string(line_bufp + buf_offset, " <- ", 4);
2392 put_string(line_bufp + buf_offset, " ", 1);
2399 put_string(line_bufp + buf_offset, " ", 1);
2405 return print_line(print_stream, 0, line_bufp);
2409 print_packet(capture_file *cf, epan_dissect_t *edt)
2411 print_args_t print_args;
2413 if (print_summary || output_fields_has_cols(output_fields)) {
2414 /* Just fill in the columns. */
2415 epan_dissect_fill_in_columns(edt, FALSE, TRUE);
2417 if (print_summary) {
2418 /* Now print them. */
2419 switch (output_action) {
2422 if (!print_columns(cf))
2427 proto_tree_write_psml(edt, stdout);
2428 return !ferror(stdout);
2429 case WRITE_FIELDS: /*No non-verbose "fields" format */
2430 g_assert_not_reached();
2435 if (print_details) {
2436 /* Print the information in the protocol tree. */
2437 switch (output_action) {
2440 /* Only initialize the fields that are actually used in proto_tree_print.
2441 * This is particularly important for .range, as that's heap memory which
2442 * we would otherwise have to g_free().
2443 print_args.to_file = TRUE;
2444 print_args.format = print_format;
2445 print_args.print_summary = print_summary;
2446 print_args.print_formfeed = FALSE;
2447 packet_range_init(&print_args.range, &cfile);
2449 print_args.print_hex = print_hex;
2450 print_args.print_dissections = print_details ? print_dissections_expanded : print_dissections_none;
2452 if (!proto_tree_print(&print_args, edt, print_stream))
2455 if (!print_line(print_stream, 0, separator))
2461 proto_tree_write_pdml(edt, stdout);
2463 return !ferror(stdout);
2465 proto_tree_write_fields(output_fields, edt, &cf->cinfo, stdout);
2467 return !ferror(stdout);
2471 if (print_summary || print_details) {
2472 if (!print_line(print_stream, 0, ""))
2475 if (!print_hex_data(print_stream, edt))
2477 if (!print_line(print_stream, 0, separator))
2486 switch (output_action) {
2489 return print_finale(print_stream);
2493 write_pdml_finale(stdout);
2495 write_psml_finale(stdout);
2496 return !ferror(stdout);
2499 write_fields_finale(output_fields, stdout);
2500 return !ferror(stdout);
2503 g_assert_not_reached();
2509 cf_open(capture_file *cf, const char *fname, unsigned int type, gboolean is_tempfile, int *err)
2517 char err_msg[2048+1];
2520 fth = ftap_open_offline(fname, err, &err_info, perform_two_pass_analysis);
2524 wth = wtap_open_offline(fname, type, err, &err_info, perform_two_pass_analysis);
2529 /* The open succeeded. Fill in the information for this file. */
2531 /* Create new epan session for dissection. */
2532 epan_free(cf->epan);
2533 cf->epan = tfshark_epan_new(cf);
2536 cf->wth = (struct wtap*)fth; /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2540 cf->f_datalen = 0; /* not used, but set it anyway */
2542 /* Set the file name because we need it to set the follow stream filter.
2543 XXX - is that still true? We need it for other reasons, though,
2545 cf->filename = g_strdup(fname);
2547 /* Indicate whether it's a permanent or temporary file. */
2548 cf->is_tempfile = is_tempfile;
2550 /* No user changes yet. */
2551 cf->unsaved_changes = FALSE;
2553 cf->cd_t = ftap_file_type_subtype((struct ftap*)cf->wth); /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2554 cf->open_type = type;
2556 cf->drops_known = FALSE;
2558 cf->snap = ftap_snapshot_length((struct ftap*)cf->wth); /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2559 if (cf->snap == 0) {
2560 /* Snapshot length not known. */
2561 cf->has_snap = FALSE;
2562 cf->snap = FTAP_MAX_RECORD_SIZE;
2564 cf->has_snap = TRUE;
2565 nstime_set_zero(&cf->elapsed_time);
2570 cf->state = FILE_READ_IN_PROGRESS;
2575 g_snprintf(err_msg, sizeof err_msg,
2576 cf_open_error_message(*err, err_info, FALSE, cf->cd_t), fname);
2577 cmdarg_err("%s", err_msg);
2582 show_print_file_io_error(int err)
2587 cmdarg_err("Not all the packets could be printed because there is "
2588 "no space left on the file system.");
2593 cmdarg_err("Not all the packets could be printed because you are "
2594 "too close to, or over your disk quota.");
2599 cmdarg_err("An error occurred while printing packets: %s.",
2606 cf_open_error_message(int err, gchar *err_info, gboolean for_writing,
2610 static char errmsg_errno[1024+1];
2613 /* Wiretap error. */
2616 case FTAP_ERR_NOT_REGULAR_FILE:
2617 errmsg = "The file \"%s\" is a \"special file\" or socket or other non-regular file.";
2620 case FTAP_ERR_RANDOM_OPEN_PIPE:
2621 /* Seen only when opening a capture file for reading. */
2622 errmsg = "The file \"%s\" is a pipe or FIFO; TFShark can't read pipe or FIFO files in two-pass mode.";
2625 case FTAP_ERR_FILE_UNKNOWN_FORMAT:
2626 /* Seen only when opening a capture file for reading. */
2627 errmsg = "The file \"%s\" isn't a capture file in a format TFShark understands.";
2630 case FTAP_ERR_UNSUPPORTED:
2631 /* Seen only when opening a capture file for reading. */
2632 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2633 "The file \"%%s\" isn't a capture file in a format TFShark understands.\n"
2636 errmsg = errmsg_errno;
2639 case FTAP_ERR_CANT_WRITE_TO_PIPE:
2640 /* Seen only when opening a capture file for writing. */
2641 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2642 "The file \"%%s\" is a pipe, and \"%s\" capture files can't be "
2643 "written to a pipe.", ftap_file_type_subtype_short_string(file_type));
2644 errmsg = errmsg_errno;
2647 case FTAP_ERR_UNSUPPORTED_FILE_TYPE:
2648 /* Seen only when opening a capture file for writing. */
2649 errmsg = "TFShark doesn't support writing capture files in that format.";
2652 case FTAP_ERR_UNSUPPORTED_ENCAP:
2654 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2655 "TFShark can't save this capture as a \"%s\" file.",
2656 ftap_file_type_subtype_short_string(file_type));
2658 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2659 "The file \"%%s\" is a capture for a network type that TFShark doesn't support.\n"
2663 errmsg = errmsg_errno;
2666 case FTAP_ERR_ENCAP_PER_RECORD_UNSUPPORTED:
2668 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2669 "TFShark can't save this capture as a \"%s\" file.",
2670 ftap_file_type_subtype_short_string(file_type));
2671 errmsg = errmsg_errno;
2673 errmsg = "The file \"%s\" is a capture for a network type that TFShark doesn't support.";
2676 case FTAP_ERR_BAD_FILE:
2677 /* Seen only when opening a capture file for reading. */
2678 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2679 "The file \"%%s\" appears to be damaged or corrupt.\n"
2682 errmsg = errmsg_errno;
2685 case FTAP_ERR_CANT_OPEN:
2687 errmsg = "The file \"%s\" could not be created for some unknown reason.";
2689 errmsg = "The file \"%s\" could not be opened for some unknown reason.";
2692 case FTAP_ERR_SHORT_READ:
2693 errmsg = "The file \"%s\" appears to have been cut short"
2694 " in the middle of a packet or other data.";
2697 case FTAP_ERR_SHORT_WRITE:
2698 errmsg = "A full header couldn't be written to the file \"%s\".";
2701 case FTAP_ERR_COMPRESSION_NOT_SUPPORTED:
2702 errmsg = "This file type cannot be written as a compressed file.";
2705 case FTAP_ERR_DECOMPRESS:
2706 /* Seen only when opening a capture file for reading. */
2707 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2708 "The compressed file \"%%s\" appears to be damaged or corrupt.\n"
2711 errmsg = errmsg_errno;
2715 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2716 "The file \"%%s\" could not be %s: %s.",
2717 for_writing ? "created" : "opened",
2718 ftap_strerror(err));
2719 errmsg = errmsg_errno;
2723 errmsg = file_open_error_message(err, for_writing);
2728 * Open/create errors are reported with an console message in TFShark.
2731 open_failure_message(const char *filename, int err, gboolean for_writing)
2733 fprintf(stderr, "tfshark: ");
2734 fprintf(stderr, file_open_error_message(err, for_writing), filename);
2735 fprintf(stderr, "\n");
2740 * General errors are reported with an console message in TFShark.
2743 failure_message(const char *msg_format, va_list ap)
2745 fprintf(stderr, "tfshark: ");
2746 vfprintf(stderr, msg_format, ap);
2747 fprintf(stderr, "\n");
2751 * Read errors are reported with an console message in TFShark.
2754 read_failure_message(const char *filename, int err)
2756 cmdarg_err("An error occurred while reading from the file \"%s\": %s.",
2757 filename, g_strerror(err));
2761 * Write errors are reported with an console message in TFShark.
2764 write_failure_message(const char *filename, int err)
2766 cmdarg_err("An error occurred while writing to the file \"%s\": %s.",
2767 filename, g_strerror(err));
2771 * Report an error in command-line arguments.
2774 cmdarg_err(const char *fmt, ...)
2779 failure_message(fmt, ap);
2784 * Report additional information for an error in command-line arguments.
2787 cmdarg_err_cont(const char *fmt, ...)
2792 vfprintf(stderr, fmt, ap);
2793 fprintf(stderr, "\n");
2799 * Editor modelines - http://www.wireshark.org/tools/modelines.html
2804 * indent-tabs-mode: nil
2807 * vi: set shiftwidth=2 tabstop=8 expandtab:
2808 * :indentSize=2:tabSize=8:noTabs=true: