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.
48 #ifdef HAVE_SYS_STAT_H
49 # include <sys/stat.h>
53 #include <zlib.h> /* to get the libz version number */
56 #ifndef HAVE_GETOPT_LONG
57 #include "wsutil/wsgetopt.h"
62 #include <epan/exceptions.h>
63 #include <epan/epan-int.h>
64 #include <epan/epan.h>
66 #include <wsutil/clopts_common.h>
67 #include <wsutil/cmdarg_err.h>
68 #include <wsutil/crash_info.h>
69 #include <wsutil/privileges.h>
70 #include <wsutil/file_util.h>
71 #include <wsutil/filesystem.h>
72 #include <wsutil/report_err.h>
73 #include <wsutil/ws_version_info.h>
76 #include <epan/timestamp.h>
77 #include <epan/packet.h>
79 #include <epan/wslua/init_wslua.h>
82 #include "frame_tvbuff.h"
83 #include <epan/disabled_protos.h>
84 #include <epan/prefs.h>
85 #include <epan/column.h>
86 #include <epan/print.h>
87 #include <epan/addr_resolv.h>
89 #include "version_info.h"
91 #include <epan/epan_dissect.h>
93 #include <epan/stat_tap_ui.h>
94 #include <epan/timestamp.h>
95 #include <epan/ex-opt.h>
96 #include <wiretap/wtap-int.h>
97 #include <wiretap/file_wrappers.h>
100 #include <wsutil/unicode-utils.h>
104 #include <epan/funnel.h>
107 #include <wsutil/plugins.h>
111 * This is the template for the decode as option; it is shared between the
112 * various functions that output the usage for this parameter.
114 static const gchar decode_as_arg_template[] = "<layer_type>==<selector>,<decode_as_protocol>";
116 static guint32 cum_bytes;
117 static const frame_data *ref;
118 static frame_data ref_frame;
119 static frame_data *prev_dis;
120 static frame_data prev_dis_frame;
121 static frame_data *prev_cap;
122 static frame_data prev_cap_frame;
124 static const char* prev_display_dissector_name = NULL;
126 static gboolean perform_two_pass_analysis;
129 * The way the packet decode is to be written.
132 WRITE_TEXT, /* summary or detail text */
133 WRITE_XML, /* PDML or PSML */
134 WRITE_FIELDS /* User defined list of fields */
135 /* Add CSV and the like here */
138 static output_action_e output_action;
139 static gboolean do_dissection; /* TRUE if we have to dissect each packet */
140 static gboolean print_packet_info; /* TRUE if we're to print packet information */
141 static gint print_summary = -1; /* TRUE if we're to print packet summary information */
142 static gboolean print_details; /* TRUE if we're to print packet details information */
143 static gboolean print_hex; /* TRUE if we're to print hex/ascci information */
144 static gboolean line_buffered;
145 static gboolean really_quiet = FALSE;
147 static print_format_e print_format = PR_FMT_TEXT;
148 static print_stream_t *print_stream;
150 static output_fields_t* output_fields = NULL;
152 /* The line separator used between packets, changeable via the -S option */
153 static const char *separator = "";
155 static int load_cap_file(capture_file *, int, gint64);
156 static gboolean process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
157 struct wtap_pkthdr *whdr, const guchar *pd, guint tap_flags);
158 static void show_print_file_io_error(int err);
159 static gboolean write_preamble(capture_file *cf);
160 static gboolean print_packet(capture_file *cf, epan_dissect_t *edt);
161 static gboolean write_finale(void);
162 static const char *cf_open_error_message(int err, gchar *err_info,
163 gboolean for_writing, int file_type);
165 static void open_failure_message(const char *filename, int err,
166 gboolean for_writing);
167 static void failure_message(const char *msg_format, va_list ap);
168 static void read_failure_message(const char *filename, int err);
169 static void write_failure_message(const char *filename, int err);
170 static void failure_message_cont(const char *msg_format, va_list ap);
174 static GHashTable *output_only_tables = NULL;
178 const char *sstr; /* The short string */
179 const char *lstr; /* The long string */
183 string_compare(gconstpointer a, gconstpointer b)
185 return strcmp(((const struct string_elem *)a)->sstr,
186 ((const struct string_elem *)b)->sstr);
190 string_elem_print(gpointer data, gpointer not_used _U_)
192 fprintf(stderr, " %s - %s\n",
193 ((struct string_elem *)data)->sstr,
194 ((struct string_elem *)data)->lstr);
199 print_usage(FILE *output)
201 fprintf(output, "\n");
202 fprintf(output, "Usage: tfshark [options] ...\n");
203 fprintf(output, "\n");
205 /*fprintf(output, "\n");*/
206 fprintf(output, "Input file:\n");
207 fprintf(output, " -r <infile> set the filename to read from (no pipes or stdin!)\n");
209 fprintf(output, "\n");
210 fprintf(output, "Processing:\n");
211 fprintf(output, " -2 perform a two-pass analysis\n");
212 fprintf(output, " -R <read filter> packet Read filter in Wireshark display filter syntax\n");
213 fprintf(output, " -Y <display filter> packet displaY filter in Wireshark display filter\n");
214 fprintf(output, " syntax\n");
215 fprintf(output, " -d %s ...\n", decode_as_arg_template);
216 fprintf(output, " \"Decode As\", see the man page for details\n");
217 fprintf(output, " Example: tcp.port==8888,http\n");
219 /*fprintf(output, "\n");*/
220 fprintf(output, "Output:\n");
221 fprintf(output, " -C <config profile> start with specified configuration profile\n");
222 fprintf(output, " -V add output of packet tree (Packet Details)\n");
223 fprintf(output, " -O <protocols> Only show packet details of these protocols, comma\n");
224 fprintf(output, " separated\n");
225 fprintf(output, " -S <separator> the line separator to print between packets\n");
226 fprintf(output, " -x add output of hex and ASCII dump (Packet Bytes)\n");
227 fprintf(output, " -T pdml|ps|psml|text|fields\n");
228 fprintf(output, " format of text output (def: text)\n");
229 fprintf(output, " -e <field> field to print if -Tfields selected (e.g. tcp.port,\n");
230 fprintf(output, " _ws.col.Info)\n");
231 fprintf(output, " this option can be repeated to print multiple fields\n");
232 fprintf(output, " -E<fieldsoption>=<value> set options for output when -Tfields selected:\n");
233 fprintf(output, " header=y|n switch headers on and off\n");
234 fprintf(output, " separator=/t|/s|<char> select tab, space, printable character as separator\n");
235 fprintf(output, " occurrence=f|l|a print first, last or all occurrences of each field\n");
236 fprintf(output, " aggregator=,|/s|<char> select comma, space, printable character as\n");
237 fprintf(output, " aggregator\n");
238 fprintf(output, " quote=d|s|n select double, single, no quotes for values\n");
239 fprintf(output, " -t a|ad|d|dd|e|r|u|ud output format of time stamps (def: r: rel. to first)\n");
240 fprintf(output, " -u s|hms output format of seconds (def: s: seconds)\n");
241 fprintf(output, " -l flush standard output after each packet\n");
242 fprintf(output, " -q be more quiet on stdout (e.g. when using statistics)\n");
243 fprintf(output, " -Q only log true errors to stderr (quieter than -q)\n");
244 fprintf(output, " -X <key>:<value> eXtension options, see the man page for details\n");
245 fprintf(output, " -z <statistics> various statistics, see the man page for details\n");
247 fprintf(output, "\n");
248 fprintf(output, "Miscellaneous:\n");
249 fprintf(output, " -h display this help and exit\n");
250 fprintf(output, " -v display version info and exit\n");
251 fprintf(output, " -o <name>:<value> ... override preference setting\n");
252 fprintf(output, " -K <keytab> keytab file to use for kerberos decryption\n");
253 fprintf(output, " -G [report] dump one of several available reports and exit\n");
254 fprintf(output, " default report=\"fields\"\n");
255 fprintf(output, " use \"-G ?\" for more help\n");
259 glossary_option_help(void)
265 fprintf(output, "TFShark (Wireshark) %s\n", get_ws_vcs_version_info());
267 fprintf(output, "\n");
268 fprintf(output, "Usage: tfshark -G [report]\n");
269 fprintf(output, "\n");
270 fprintf(output, "Glossary table reports:\n");
271 fprintf(output, " -G column-formats dump column format codes and exit\n");
272 fprintf(output, " -G decodes dump \"layer type\"/\"decode as\" associations and exit\n");
273 fprintf(output, " -G dissector-tables dump dissector table names, types, and properties\n");
274 fprintf(output, " -G fields dump fields glossary and exit\n");
275 fprintf(output, " -G ftypes dump field type basic and descriptive names\n");
276 fprintf(output, " -G heuristic-decodes dump heuristic dissector tables\n");
277 fprintf(output, " -G plugins dump installed plugins and exit\n");
278 fprintf(output, " -G protocols dump protocols in registration database and exit\n");
279 fprintf(output, " -G values dump value, range, true/false strings and exit\n");
280 fprintf(output, "\n");
281 fprintf(output, "Preference reports:\n");
282 fprintf(output, " -G currentprefs dump current preferences and exit\n");
283 fprintf(output, " -G defaultprefs dump default preferences and exit\n");
284 fprintf(output, "\n");
288 * For a dissector table, print on the stream described by output,
289 * its short name (which is what's used in the "-d" option) and its
293 display_dissector_table_names(const char *table_name, const char *ui_name,
296 if ((prev_display_dissector_name == NULL) ||
297 (strcmp(prev_display_dissector_name, table_name) != 0)) {
298 fprintf((FILE *)output, "\t%s (%s)\n", table_name, ui_name);
299 prev_display_dissector_name = table_name;
304 * For a dissector handle, print on the stream described by output,
305 * the filter name (which is what's used in the "-d" option) and the full
306 * name for the protocol that corresponds to this handle.
309 display_dissector_names(const gchar *table _U_, gpointer handle, gpointer output)
312 const gchar *proto_filter_name;
313 const gchar *proto_ui_name;
315 proto_id = dissector_handle_get_protocol_index((dissector_handle_t)handle);
317 if (proto_id != -1) {
318 proto_filter_name = proto_get_protocol_filter_name(proto_id);
319 proto_ui_name = proto_get_protocol_name(proto_id);
320 g_assert(proto_filter_name != NULL);
321 g_assert(proto_ui_name != NULL);
323 if ((prev_display_dissector_name == NULL) ||
324 (strcmp(prev_display_dissector_name, proto_filter_name) != 0)) {
325 fprintf((FILE *)output, "\t%s (%s)\n",
328 prev_display_dissector_name = proto_filter_name;
334 * The protocol_name_search structure is used by find_protocol_name_func()
335 * to pass parameters and store results
337 struct protocol_name_search{
338 gchar *searched_name; /* Protocol filter name we are looking for */
339 dissector_handle_t matched_handle; /* Handle for a dissector whose protocol has the specified filter name */
340 guint nb_match; /* How many dissectors matched searched_name */
342 typedef struct protocol_name_search *protocol_name_search_t;
345 * This function parses all dissectors associated with a table to find the
346 * one whose protocol has the specified filter name. It is called
347 * as a reference function in a call to dissector_table_foreach_handle.
348 * The name we are looking for, as well as the results, are stored in the
349 * protocol_name_search struct pointed to by user_data.
350 * If called using dissector_table_foreach_handle, we actually parse the
351 * whole list of dissectors.
354 find_protocol_name_func(const gchar *table _U_, gpointer handle, gpointer user_data)
358 const gchar *protocol_filter_name;
359 protocol_name_search_t search_info;
363 search_info = (protocol_name_search_t)user_data;
365 proto_id = dissector_handle_get_protocol_index((dissector_handle_t)handle);
366 if (proto_id != -1) {
367 protocol_filter_name = proto_get_protocol_filter_name(proto_id);
368 g_assert(protocol_filter_name != NULL);
369 if (strcmp(protocol_filter_name, search_info->searched_name) == 0) {
371 if (search_info->nb_match == 0) {
372 /* Record this handle only if this is the first match */
373 search_info->matched_handle = (dissector_handle_t)handle; /* Record the handle for this matching dissector */
375 search_info->nb_match++;
381 * Allow dissector key names to be sorted alphabetically
385 compare_dissector_key_name(gconstpointer dissector_a, gconstpointer dissector_b)
387 return strcmp((const char*)dissector_a, (const char*)dissector_b);
391 * Print all layer type names supported.
392 * We send the output to the stream described by the handle output.
396 fprint_all_layer_types(FILE *output)
399 prev_display_dissector_name = NULL;
400 dissector_all_tables_foreach_table(display_dissector_table_names, (gpointer)output, (GCompareFunc)compare_dissector_key_name);
404 * Print all protocol names supported for a specific layer type.
405 * table_name contains the layer type name in which the search is performed.
406 * We send the output to the stream described by the handle output.
410 fprint_all_protocols_for_layer_types(FILE *output, gchar *table_name)
413 prev_display_dissector_name = NULL;
414 dissector_table_foreach_handle(table_name,
415 display_dissector_names,
420 * The function below parses the command-line parameters for the decode as
421 * feature (a string pointer by cl_param).
422 * It checks the format of the command-line, searches for a matching table
423 * and dissector. If a table/dissector match is not found, we display a
424 * summary of the available tables/dissectors (on stderr) and return FALSE.
425 * If everything is fine, we get the "Decode as" preference activated,
426 * then we return TRUE.
429 add_decode_as(const gchar *cl_param)
432 guint32 selector, selector2;
433 gchar *decoded_param;
434 gchar *remaining_param;
436 gchar *dissector_str;
437 dissector_handle_t dissector_matching;
438 dissector_table_t table_matching;
439 ftenum_t dissector_table_selector_type;
440 struct protocol_name_search user_protocol_name;
444 /* The following code will allocate and copy the command-line options in a string pointed by decoded_param */
447 decoded_param = g_strdup(cl_param);
448 g_assert(decoded_param);
451 /* The lines below will parse this string (modifying it) to extract all
452 necessary information. Note that decoded_param is still needed since
453 strings are not copied - we just save pointers. */
455 /* This section extracts a layer type (table_name) from decoded_param */
456 table_name = decoded_param; /* Layer type string starts from beginning */
458 remaining_param = strchr(table_name, '=');
459 if (remaining_param == NULL) {
460 cmdarg_err("Parameter \"%s\" doesn't follow the template \"%s\"", cl_param, decode_as_arg_template);
461 /* If the argument does not follow the template, carry on anyway to check
462 if the table name is at least correct. If remaining_param is NULL,
463 we'll exit anyway further down */
466 *remaining_param = '\0'; /* Terminate the layer type string (table_name) where '=' was detected */
469 /* Remove leading and trailing spaces from the table name */
470 while ( table_name[0] == ' ' )
472 while ( table_name[strlen(table_name) - 1] == ' ' )
473 table_name[strlen(table_name) - 1] = '\0'; /* Note: if empty string, while loop will eventually exit */
475 /* The following part searches a table matching with the layer type specified */
476 table_matching = NULL;
478 /* Look for the requested table */
479 if ( !(*(table_name)) ) { /* Is the table name empty, if so, don't even search for anything, display a message */
480 cmdarg_err("No layer type specified"); /* Note, we don't exit here, but table_matching will remain NULL, so we exit below */
483 table_matching = find_dissector_table(table_name);
484 if (!table_matching) {
485 cmdarg_err("Unknown layer type -- %s", table_name); /* Note, we don't exit here, but table_matching will remain NULL, so we exit below */
489 if (!table_matching) {
490 /* Display a list of supported layer types to help the user, if the
491 specified layer type was not found */
492 cmdarg_err("Valid layer types are:");
493 fprint_all_layer_types(stderr);
495 if (remaining_param == NULL || !table_matching) {
496 /* Exit if the layer type was not found, or if no '=' separator was found
498 g_free(decoded_param);
502 if (*(remaining_param + 1) != '=') { /* Check for "==" and not only '=' */
503 cmdarg_err("WARNING: -d requires \"==\" instead of \"=\". Option will be treated as \"%s==%s\"", table_name, remaining_param + 1);
506 remaining_param++; /* Move to the second '=' */
507 *remaining_param = '\0'; /* Remove the second '=' */
509 remaining_param++; /* Position after the layer type string */
511 /* This section extracts a selector value (selector_str) from decoded_param */
513 selector_str = remaining_param; /* Next part starts with the selector number */
515 remaining_param = strchr(selector_str, ',');
516 if (remaining_param == NULL) {
517 cmdarg_err("Parameter \"%s\" doesn't follow the template \"%s\"", cl_param, decode_as_arg_template);
518 /* If the argument does not follow the template, carry on anyway to check
519 if the selector value is at least correct. If remaining_param is NULL,
520 we'll exit anyway further down */
523 *remaining_param = '\0'; /* Terminate the selector number string (selector_str) where ',' was detected */
526 dissector_table_selector_type = get_dissector_table_selector_type(table_name);
528 switch (dissector_table_selector_type) {
534 /* The selector for this table is an unsigned number. Parse it as such.
535 There's no need to remove leading and trailing spaces from the
536 selector number string, because sscanf will do that for us. */
537 switch (sscanf(selector_str, "%u%c%u", &selector, &op, &selector2)) {
542 if (op != ':' && op != '-') {
543 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
544 g_free(decoded_param);
548 if ((selector2 == 0) || ((guint64)selector + selector2 - 1) > G_MAXUINT32) {
549 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
550 g_free(decoded_param);
554 else if (selector2 < selector) {
555 /* We could swap them for the user, but maybe it's better to call
556 * this out as an error in case it's not what was intended? */
557 cmdarg_err("Invalid selector numeric range \"%s\"", selector_str);
558 g_free(decoded_param);
563 cmdarg_err("Invalid selector number \"%s\"", selector_str);
564 g_free(decoded_param);
573 /* The selector for this table is a string. */
577 /* There are currently no dissector tables with any types other
578 than the ones listed above. */
579 g_assert_not_reached();
582 if (remaining_param == NULL) {
583 /* Exit if no ',' separator was found (see above) */
584 cmdarg_err("Valid protocols for layer type \"%s\" are:", table_name);
585 fprint_all_protocols_for_layer_types(stderr, table_name);
586 g_free(decoded_param);
590 remaining_param++; /* Position after the selector number string */
592 /* This section extracts a protocol filter name (dissector_str) from decoded_param */
594 dissector_str = remaining_param; /* All the rest of the string is the dissector (decode as protocol) name */
596 /* Remove leading and trailing spaces from the dissector name */
597 while ( dissector_str[0] == ' ' )
599 while ( dissector_str[strlen(dissector_str) - 1] == ' ' )
600 dissector_str[strlen(dissector_str) - 1] = '\0'; /* Note: if empty string, while loop will eventually exit */
602 dissector_matching = NULL;
604 /* We now have a pointer to the handle for the requested table inside the variable table_matching */
605 if ( ! (*dissector_str) ) { /* Is the dissector name empty, if so, don't even search for a matching dissector and display all dissectors found for the selected table */
606 cmdarg_err("No protocol name specified"); /* Note, we don't exit here, but dissector_matching will remain NULL, so we exit below */
609 user_protocol_name.nb_match = 0;
610 user_protocol_name.searched_name = dissector_str;
611 user_protocol_name.matched_handle = NULL;
613 dissector_table_foreach_handle(table_name, find_protocol_name_func, &user_protocol_name); /* Go and perform the search for this dissector in the this table's dissectors' names and shortnames */
615 if (user_protocol_name.nb_match != 0) {
616 dissector_matching = user_protocol_name.matched_handle;
617 if (user_protocol_name.nb_match > 1) {
618 cmdarg_err("WARNING: Protocol \"%s\" matched %u dissectors, first one will be used", dissector_str, user_protocol_name.nb_match);
622 /* OK, check whether the problem is that there isn't any such
623 protocol, or that there is but it's not specified as a protocol
624 that's valid for that dissector table.
625 Note, we don't exit here, but dissector_matching will remain NULL,
627 if (proto_get_id_by_filter_name(dissector_str) == -1) {
628 /* No such protocol */
629 cmdarg_err("Unknown protocol -- \"%s\"", dissector_str);
631 cmdarg_err("Protocol \"%s\" isn't valid for layer type \"%s\"",
632 dissector_str, table_name);
637 if (!dissector_matching) {
638 cmdarg_err("Valid protocols for layer type \"%s\" are:", table_name);
639 fprint_all_protocols_for_layer_types(stderr, table_name);
640 g_free(decoded_param);
644 /* This is the end of the code that parses the command-line options.
645 All information is now stored in the variables:
649 The above variables that are strings are still pointing to areas within
650 decoded_parm. decoded_parm thus still needs to be kept allocated in
651 until we stop needing these variables
652 decoded_param will be deallocated at each exit point of this function */
655 /* We now have a pointer to the handle for the requested dissector
656 (requested protocol) inside the variable dissector_matching */
657 switch (dissector_table_selector_type) {
663 /* The selector for this table is an unsigned number. */
665 dissector_change_uint(table_name, selector, dissector_matching);
666 } else if (op == ':') {
667 for (i = selector; i < (guint64)selector + selector2; i++) {
668 dissector_change_uint(table_name, (guint32)i, dissector_matching);
670 } else { /* op == '-' */
671 for (i = selector; i <= selector2; i++) {
672 dissector_change_uint(table_name, (guint32)i, dissector_matching);
681 /* The selector for this table is a string. */
682 dissector_change_string(table_name, selector_str, dissector_matching);
686 /* There are currently no dissector tables with any types other
687 than the ones listed above. */
688 g_assert_not_reached();
690 g_free(decoded_param); /* "Decode As" rule has been successfully added */
695 tfshark_log_handler (const gchar *log_domain, GLogLevelFlags log_level,
696 const gchar *message, gpointer user_data)
698 /* ignore log message, if log_level isn't interesting based
699 upon the console log preferences.
700 If the preferences haven't been loaded loaded yet, display the
703 The default console_log_level preference value is such that only
704 ERROR, CRITICAL and WARNING level messages are processed;
705 MESSAGE, INFO and DEBUG level messages are ignored.
707 XXX: Aug 07, 2009: Prior tshark g_log code was hardwired to process only
708 ERROR and CRITICAL level messages so the current code is a behavioral
709 change. The current behavior is the same as in Wireshark.
711 if ((log_level & G_LOG_LEVEL_MASK & prefs.console_log_level) == 0 &&
712 prefs.console_log_level != 0) {
716 g_log_default_handler(log_domain, log_level, message, user_data);
721 print_current_user(void) {
722 gchar *cur_user, *cur_group;
724 if (started_with_special_privs()) {
725 cur_user = get_cur_username();
726 cur_group = get_cur_groupname();
727 fprintf(stderr, "Running as user \"%s\" and group \"%s\".",
728 cur_user, cur_group);
731 if (running_with_special_privs()) {
732 fprintf(stderr, " This could be dangerous.");
734 fprintf(stderr, "\n");
739 get_tfshark_compiled_version_info(GString *str)
743 g_string_append(str, "with libz ");
745 g_string_append(str, ZLIB_VERSION);
746 #else /* ZLIB_VERSION */
747 g_string_append(str, "(version unknown)");
748 #endif /* ZLIB_VERSION */
749 #else /* HAVE_LIBZ */
750 g_string_append(str, "without libz");
751 #endif /* HAVE_LIBZ */
755 get_tfshark_runtime_version_info(GString *str)
758 #if defined(HAVE_LIBZ) && !defined(_WIN32)
759 g_string_append_printf(str, ", with libz %s", zlibVersion());
762 /* stuff used by libwireshark */
763 epan_get_runtime_version_info(str);
767 main(int argc, char *argv[])
769 GString *comp_info_str;
770 GString *runtime_info_str;
771 char *init_progfile_dir_error;
773 static const struct option long_options[] = {
774 {(char *)"help", no_argument, NULL, 'h'},
775 {(char *)"version", no_argument, NULL, 'v'},
778 gboolean arg_error = FALSE;
780 char *gpf_path, *pf_path;
781 char *gdp_path, *dp_path;
782 int gpf_open_errno, gpf_read_errno;
783 int pf_open_errno, pf_read_errno;
784 int gdp_open_errno, gdp_read_errno;
785 int dp_open_errno, dp_read_errno;
787 volatile int exit_status = 0;
788 gboolean quiet = FALSE;
789 gchar *volatile cf_name = NULL;
790 gchar *rfilter = NULL;
791 gchar *dfilter = NULL;
792 dfilter_t *rfcode = NULL;
793 dfilter_t *dfcode = NULL;
797 gchar *output_only = NULL;
799 /* the leading - ensures that getopt() does not permute the argv[] entries
800 we have to make sure that the first getopt() preserves the content of argv[]
801 for the subsequent getopt_long() call */
802 #define OPTSTRING "-2C:d:e:E:hK:lo:O:qQr:R:S:t:T:u:vVxX:Y:z:"
804 static const char optstring[] = OPTSTRING;
806 cmdarg_err_init(failure_message, failure_message_cont);
809 arg_list_utf_16to8(argc, argv);
810 create_app_running_mutex();
811 #if !GLIB_CHECK_VERSION(2,31,0)
817 * Get credential information for later use, and drop privileges
818 * before doing anything else.
819 * Let the user know if anything happened.
821 init_process_policies();
822 relinquish_special_privs_perm();
823 print_current_user();
826 * Attempt to get the pathname of the executable file.
828 init_progfile_dir_error = init_progfile_dir(argv[0], main);
829 if (init_progfile_dir_error != NULL) {
830 fprintf(stderr, "tfshark: Can't get pathname of tfshark program: %s.\n",
831 init_progfile_dir_error);
834 initialize_funnel_ops();
836 /* Assemble the compile-time version information string */
837 comp_info_str = g_string_new("Compiled ");
838 get_compiled_version_info(comp_info_str, get_tfshark_compiled_version_info,
839 epan_get_compiled_version_info);
841 /* Assemble the run-time version information string */
842 runtime_info_str = g_string_new("Running ");
843 get_runtime_version_info(runtime_info_str, get_tfshark_runtime_version_info);
845 /* Add it to the information to be reported on a crash. */
846 ws_add_crash_info("TFShark (Wireshark) %s\n"
851 get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
854 * In order to have the -X opts assigned before the wslua machine starts
855 * we need to call getopts before epan_init() gets called.
858 optind_initial = optind;
860 while ((opt = getopt(argc, argv, optstring)) != -1) {
862 case 'C': /* Configuration Profile */
863 if (profile_exists (optarg, FALSE)) {
864 set_profile_name (optarg);
866 cmdarg_err("Configuration Profile \"%s\" does not exist", optarg);
870 case 'O': /* Only output these protocols */
871 output_only = g_strdup(optarg);
873 case 'V': /* Verbose */
874 print_details = TRUE;
875 print_packet_info = TRUE;
877 case 'x': /* Print packet data in hex (and ASCII) */
879 /* The user asked for hex output, so let's ensure they get it,
880 * even if they're writing to a file.
882 print_packet_info = TRUE;
893 * Print packet summary information is the default, unless either -V or -x
894 * were specified. Note that this is new behavior, which
895 * allows for the possibility of printing only hex/ascii output without
896 * necessarily requiring that either the summary or details be printed too.
898 if (print_summary == -1)
899 print_summary = (print_details || print_hex) ? FALSE : TRUE;
901 optind = optind_initial;
906 /** Send All g_log messages to our own handler **/
910 G_LOG_LEVEL_CRITICAL|
915 G_LOG_FLAG_FATAL|G_LOG_FLAG_RECURSION;
917 g_log_set_handler(NULL,
918 (GLogLevelFlags)log_flags,
919 tfshark_log_handler, NULL /* user_data */);
920 g_log_set_handler(LOG_DOMAIN_MAIN,
921 (GLogLevelFlags)log_flags,
922 tfshark_log_handler, NULL /* user_data */);
924 init_report_err(failure_message, open_failure_message, read_failure_message,
925 write_failure_message);
927 timestamp_set_type(TS_RELATIVE);
928 timestamp_set_precision(TS_PREC_AUTO);
929 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
931 init_open_routines();
934 /* Register all the plugin types we have. */
935 epan_register_plugin_types(); /* Types known to libwireshark */
937 /* Scan for plugins. This does *not* call their registration routines;
938 that's done later. */
943 /* Register all dissectors; we must do this before checking for the
944 "-G" flag, as the "-G" flag dumps information registered by the
945 dissectors, and we must do it before we read the preferences, in
946 case any dissectors register preferences. */
947 epan_init(register_all_protocols, register_all_protocol_handoffs, NULL, NULL);
949 /* Register all tap listeners; we do this before we parse the arguments,
950 as the "-z" argument can specify a registered tap. */
952 /* we register the plugin taps before the other taps because
953 stats_tree taps plugins will be registered as tap listeners
954 by stats_tree_stat.c and need to registered before that */
956 /* XXX Disable tap registration for now until we can get tfshark set up with
957 * its own set of taps and the necessary registration function etc.
959 register_all_plugin_tap_listeners();
961 register_all_tap_listeners();
964 /* If invoked with the "-G" flag, we dump out information based on
965 the argument to the "-G" flag; if no argument is specified,
966 for backwards compatibility we dump out a glossary of display
969 XXX - we do this here, for now, to support "-G" with no arguments.
970 If none of our build or other processes uses "-G" with no arguments,
971 we can just process it with the other arguments. */
972 if (argc >= 2 && strcmp(argv[1], "-G") == 0) {
973 proto_initialize_all_prefixes();
976 proto_registrar_dump_fields();
978 if (strcmp(argv[2], "column-formats") == 0)
979 column_dump_column_formats();
980 else if (strcmp(argv[2], "currentprefs") == 0) {
981 read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
982 &pf_open_errno, &pf_read_errno, &pf_path);
985 else if (strcmp(argv[2], "decodes") == 0)
986 dissector_dump_decodes();
987 else if (strcmp(argv[2], "defaultprefs") == 0)
989 else if (strcmp(argv[2], "dissector-tables") == 0)
990 dissector_dump_dissector_tables();
991 else if (strcmp(argv[2], "fields") == 0)
992 proto_registrar_dump_fields();
993 else if (strcmp(argv[2], "ftypes") == 0)
994 proto_registrar_dump_ftypes();
995 else if (strcmp(argv[2], "heuristic-decodes") == 0)
996 dissector_dump_heur_decodes();
997 else if (strcmp(argv[2], "plugins") == 0) {
1002 wslua_plugins_dump_all();
1005 else if (strcmp(argv[2], "protocols") == 0)
1006 proto_registrar_dump_protocols();
1007 else if (strcmp(argv[2], "values") == 0)
1008 proto_registrar_dump_values();
1009 else if (strcmp(argv[2], "?") == 0)
1010 glossary_option_help();
1011 else if (strcmp(argv[2], "-?") == 0)
1012 glossary_option_help();
1014 cmdarg_err("Invalid \"%s\" option for -G flag, enter -G ? for more help.", argv[2]);
1021 /* Set the C-language locale to the native environment. */
1022 setlocale(LC_ALL, "");
1024 prefs_p = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
1025 &pf_open_errno, &pf_read_errno, &pf_path);
1026 if (gpf_path != NULL) {
1027 if (gpf_open_errno != 0) {
1028 cmdarg_err("Can't open global preferences file \"%s\": %s.",
1029 pf_path, g_strerror(gpf_open_errno));
1031 if (gpf_read_errno != 0) {
1032 cmdarg_err("I/O error reading global preferences file \"%s\": %s.",
1033 pf_path, g_strerror(gpf_read_errno));
1036 if (pf_path != NULL) {
1037 if (pf_open_errno != 0) {
1038 cmdarg_err("Can't open your preferences file \"%s\": %s.", pf_path,
1039 g_strerror(pf_open_errno));
1041 if (pf_read_errno != 0) {
1042 cmdarg_err("I/O error reading your preferences file \"%s\": %s.",
1043 pf_path, g_strerror(pf_read_errno));
1049 /* Read the disabled protocols file. */
1050 read_disabled_protos_list(&gdp_path, &gdp_open_errno, &gdp_read_errno,
1051 &dp_path, &dp_open_errno, &dp_read_errno);
1052 if (gdp_path != NULL) {
1053 if (gdp_open_errno != 0) {
1054 cmdarg_err("Could not open global disabled protocols file\n\"%s\": %s.",
1055 gdp_path, g_strerror(gdp_open_errno));
1057 if (gdp_read_errno != 0) {
1058 cmdarg_err("I/O error reading global disabled protocols file\n\"%s\": %s.",
1059 gdp_path, g_strerror(gdp_read_errno));
1063 if (dp_path != NULL) {
1064 if (dp_open_errno != 0) {
1066 "Could not open your disabled protocols file\n\"%s\": %s.", dp_path,
1067 g_strerror(dp_open_errno));
1069 if (dp_read_errno != 0) {
1071 "I/O error reading your disabled protocols file\n\"%s\": %s.", dp_path,
1072 g_strerror(dp_read_errno));
1077 cap_file_init(&cfile);
1079 /* Print format defaults to this. */
1080 print_format = PR_FMT_TEXT;
1082 output_fields = output_fields_new();
1084 /* Now get our args */
1085 while ((opt = getopt_long(argc, argv, optstring, long_options, NULL)) != -1) {
1087 case '2': /* Perform two pass analysis */
1088 perform_two_pass_analysis = TRUE;
1091 /* Configuration profile settings were already processed just ignore them this time*/
1093 case 'd': /* Decode as rule */
1094 if (!add_decode_as(optarg))
1097 #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS)
1098 case 'K': /* Kerberos keytab file */
1099 read_keytab_file(optarg);
1104 output_fields_add(output_fields, optarg);
1108 if (!output_fields_set_option(output_fields, optarg)) {
1109 cmdarg_err("\"%s\" is not a valid field output option=value pair.", optarg);
1110 output_fields_list_options(stderr);
1115 case 'h': /* Print help and exit */
1116 printf("TFShark (Wireshark) %s\n"
1117 "Dump and analyze network traffic.\n"
1118 "See http://www.wireshark.org for more information.\n",
1119 get_ws_vcs_version_info());
1120 print_usage(stdout);
1123 case 'l': /* "Line-buffer" standard output */
1124 /* This isn't line-buffering, strictly speaking, it's just
1125 flushing the standard output after the information for
1126 each packet is printed; however, that should be good
1127 enough for all the purposes to which "-l" is put (and
1128 is probably actually better for "-V", as it does fewer
1131 See the comment in "process_packet()" for an explanation of
1132 why we do that, and why we don't just use "setvbuf()" to
1133 make the standard output line-buffered (short version: in
1134 Windows, "line-buffered" is the same as "fully-buffered",
1135 and the output buffer is only flushed when it fills up). */
1136 line_buffered = TRUE;
1138 case 'o': /* Override preference from command line */
1139 switch (prefs_set_pref(optarg)) {
1144 case PREFS_SET_SYNTAX_ERR:
1145 cmdarg_err("Invalid -o flag \"%s\"", optarg);
1149 case PREFS_SET_NO_SUCH_PREF:
1150 case PREFS_SET_OBSOLETE:
1151 cmdarg_err("-o flag \"%s\" specifies unknown preference", optarg);
1156 case 'q': /* Quiet */
1159 case 'Q': /* Really quiet */
1161 really_quiet = TRUE;
1163 case 'r': /* Read capture file x */
1164 cf_name = g_strdup(optarg);
1166 case 'R': /* Read file filter */
1169 case 'S': /* Set the line Separator to be printed between packets */
1170 separator = g_strdup(optarg);
1172 case 't': /* Time stamp type */
1173 if (strcmp(optarg, "r") == 0)
1174 timestamp_set_type(TS_RELATIVE);
1175 else if (strcmp(optarg, "a") == 0)
1176 timestamp_set_type(TS_ABSOLUTE);
1177 else if (strcmp(optarg, "ad") == 0)
1178 timestamp_set_type(TS_ABSOLUTE_WITH_YMD);
1179 else if (strcmp(optarg, "adoy") == 0)
1180 timestamp_set_type(TS_ABSOLUTE_WITH_YDOY);
1181 else if (strcmp(optarg, "d") == 0)
1182 timestamp_set_type(TS_DELTA);
1183 else if (strcmp(optarg, "dd") == 0)
1184 timestamp_set_type(TS_DELTA_DIS);
1185 else if (strcmp(optarg, "e") == 0)
1186 timestamp_set_type(TS_EPOCH);
1187 else if (strcmp(optarg, "u") == 0)
1188 timestamp_set_type(TS_UTC);
1189 else if (strcmp(optarg, "ud") == 0)
1190 timestamp_set_type(TS_UTC_WITH_YMD);
1191 else if (strcmp(optarg, "udoy") == 0)
1192 timestamp_set_type(TS_UTC_WITH_YDOY);
1194 cmdarg_err("Invalid time stamp type \"%s\"; it must be one of:", optarg);
1195 cmdarg_err_cont("\t\"a\" for absolute\n"
1196 "\t\"ad\" for absolute with YYYY-MM-DD date\n"
1197 "\t\"adoy\" for absolute with YYYY/DOY date\n"
1198 "\t\"d\" for delta\n"
1199 "\t\"dd\" for delta displayed\n"
1200 "\t\"e\" for epoch\n"
1201 "\t\"r\" for relative\n"
1202 "\t\"u\" for absolute UTC\n"
1203 "\t\"ud\" for absolute UTC with YYYY-MM-DD date\n"
1204 "\t\"udoy\" for absolute UTC with YYYY/DOY date");
1208 case 'T': /* printing Type */
1209 if (strcmp(optarg, "text") == 0) {
1210 output_action = WRITE_TEXT;
1211 print_format = PR_FMT_TEXT;
1212 } else if (strcmp(optarg, "ps") == 0) {
1213 output_action = WRITE_TEXT;
1214 print_format = PR_FMT_PS;
1215 } else if (strcmp(optarg, "pdml") == 0) {
1216 output_action = WRITE_XML;
1217 print_details = TRUE; /* Need details */
1218 print_summary = FALSE; /* Don't allow summary */
1219 } else if (strcmp(optarg, "psml") == 0) {
1220 output_action = WRITE_XML;
1221 print_details = FALSE; /* Don't allow details */
1222 print_summary = TRUE; /* Need summary */
1223 } else if (strcmp(optarg, "fields") == 0) {
1224 output_action = WRITE_FIELDS;
1225 print_details = TRUE; /* Need full tree info */
1226 print_summary = FALSE; /* Don't allow summary */
1228 cmdarg_err("Invalid -T parameter \"%s\"; it must be one of:", optarg); /* x */
1229 cmdarg_err_cont("\t\"fields\" The values of fields specified with the -e option, in a form\n"
1230 "\t specified by the -E option.\n"
1231 "\t\"pdml\" Packet Details Markup Language, an XML-based format for the\n"
1232 "\t details of a decoded packet. This information is equivalent to\n"
1233 "\t the packet details printed with the -V flag.\n"
1234 "\t\"ps\" PostScript for a human-readable one-line summary of each of\n"
1235 "\t the packets, or a multi-line view of the details of each of\n"
1236 "\t the packets, depending on whether the -V flag was specified.\n"
1237 "\t\"psml\" Packet Summary Markup Language, an XML-based format for the\n"
1238 "\t summary information of a decoded packet. This information is\n"
1239 "\t equivalent to the information shown in the one-line summary\n"
1240 "\t printed by default.\n"
1241 "\t\"text\" Text of a human-readable one-line summary of each of the\n"
1242 "\t packets, or a multi-line view of the details of each of the\n"
1243 "\t packets, depending on whether the -V flag was specified.\n"
1244 "\t This is the default.");
1248 case 'u': /* Seconds type */
1249 if (strcmp(optarg, "s") == 0)
1250 timestamp_set_seconds_type(TS_SECONDS_DEFAULT);
1251 else if (strcmp(optarg, "hms") == 0)
1252 timestamp_set_seconds_type(TS_SECONDS_HOUR_MIN_SEC);
1254 cmdarg_err("Invalid seconds type \"%s\"; it must be one of:", optarg);
1255 cmdarg_err_cont("\t\"s\" for seconds\n"
1256 "\t\"hms\" for hours, minutes and seconds");
1260 case 'v': /* Show version and exit */
1262 show_version("TFShark (Wireshark)", comp_info_str, runtime_info_str);
1263 g_string_free(comp_info_str, TRUE);
1264 g_string_free(runtime_info_str, TRUE);
1265 /* We don't really have to cleanup here, but it's a convenient way to test
1266 * start-up and shut-down of the epan library without any UI-specific
1267 * cruft getting in the way. Makes the results of running
1268 * $ ./tools/valgrind-wireshark -n
1269 * much more useful. */
1273 case 'O': /* Only output these protocols */
1274 /* already processed; just ignore it now */
1276 case 'V': /* Verbose */
1277 /* already processed; just ignore it now */
1279 case 'x': /* Print packet data in hex (and ASCII) */
1280 /* already processed; just ignore it now */
1288 /* We won't call the init function for the stat this soon
1289 as it would disallow MATE's fields (which are registered
1290 by the preferences set callback) from being used as
1291 part of a tap filter. Instead, we just add the argument
1292 to a list of stat arguments. */
1293 if (strcmp("help", optarg) == 0) {
1294 fprintf(stderr, "tfshark: The available statistics for the \"-z\" option are:\n");
1295 list_stat_cmd_args();
1298 if (!process_stat_cmd_arg(optarg)) {
1299 cmdarg_err("Invalid -z argument \"%s\"; it must be one of:", optarg);
1300 list_stat_cmd_args();
1305 case '?': /* Bad flag - print usage message */
1306 print_usage(stderr);
1312 /* If we specified output fields, but not the output field type... */
1313 if (WRITE_FIELDS != output_action && 0 != output_fields_num_fields(output_fields)) {
1314 cmdarg_err("Output fields were specified with \"-e\", "
1315 "but \"-Tfields\" was not specified.");
1317 } else if (WRITE_FIELDS == output_action && 0 == output_fields_num_fields(output_fields)) {
1318 cmdarg_err("\"-Tfields\" was specified, but no fields were "
1319 "specified with \"-e\".");
1324 /* If no capture filter or display filter has been specified, and there are
1325 still command-line arguments, treat them as the tokens of a capture
1326 filter (if no "-r" flag was specified) or a display filter (if a "-r"
1327 flag was specified. */
1328 if (optind < argc) {
1329 if (cf_name != NULL) {
1330 if (dfilter != NULL) {
1331 cmdarg_err("Display filters were specified both with \"-d\" "
1332 "and with additional command-line arguments.");
1335 dfilter = get_args_as_string(argc, argv, optind);
1339 /* if "-q" wasn't specified, we should print packet information */
1341 print_packet_info = TRUE;
1344 print_usage(stderr);
1349 if (output_action != WRITE_TEXT) {
1350 cmdarg_err("Raw packet hex data can only be printed as text or PostScript");
1355 if (output_only != NULL) {
1358 if (!print_details) {
1359 cmdarg_err("-O requires -V");
1363 output_only_tables = g_hash_table_new (g_str_hash, g_str_equal);
1364 for (ps = strtok (output_only, ","); ps; ps = strtok (NULL, ",")) {
1365 g_hash_table_insert(output_only_tables, (gpointer)ps, (gpointer)ps);
1369 if (rfilter != NULL && !perform_two_pass_analysis) {
1370 cmdarg_err("-R without -2 is deprecated. For single-pass filtering use -Y.");
1374 /* Notify all registered modules that have had any of their preferences
1375 changed either from one of the preferences file or from the command
1376 line that their preferences have changed. */
1379 /* At this point MATE will have registered its field array so we can
1380 have a tap filter with one of MATE's late-registered fields as part
1381 of the filter. We can now process all the "-z" arguments. */
1382 start_requested_stats();
1384 /* disabled protocols as per configuration file */
1385 if (gdp_path == NULL && dp_path == NULL) {
1386 set_disabled_protos_list();
1389 /* Build the column format array */
1390 build_column_format_array(&cfile.cinfo, prefs_p->num_cols, TRUE);
1392 if (rfilter != NULL) {
1393 if (!dfilter_compile(rfilter, &rfcode)) {
1394 cmdarg_err("%s", dfilter_error_msg);
1399 cfile.rfcode = rfcode;
1401 if (dfilter != NULL) {
1402 if (!dfilter_compile(dfilter, &dfcode)) {
1403 cmdarg_err("%s", dfilter_error_msg);
1408 cfile.dfcode = dfcode;
1410 if (print_packet_info) {
1411 /* If we're printing as text or PostScript, we have
1412 to create a print stream. */
1413 if (output_action == WRITE_TEXT) {
1414 switch (print_format) {
1417 print_stream = print_stream_text_stdio_new(stdout);
1421 print_stream = print_stream_ps_stdio_new(stdout);
1425 g_assert_not_reached();
1430 /* We have to dissect each packet if:
1432 we're printing information about each packet;
1434 we're using a read filter on the packets;
1436 we're using a display filter on the packets;
1438 we're using any taps that need dissection. */
1439 do_dissection = print_packet_info || rfcode || dfcode || tap_listeners_require_dissection();
1443 * We're reading a capture file.
1446 /* TODO: if tfshark is ever changed to give the user a choice of which
1447 open_routine reader to use, then the following needs to change. */
1448 if (cf_open(&cfile, cf_name, WTAP_TYPE_AUTO, FALSE, &err) != CF_OK) {
1453 /* Process the packets in the file */
1455 /* XXX - for now there is only 1 packet */
1456 err = load_cap_file(&cfile, 1, 0);
1458 CATCH(OutOfMemoryError) {
1462 "Sorry, but TFShark has to terminate now!\n"
1464 "Some infos / workarounds can be found at:\n"
1465 "http://wiki.wireshark.org/KnownBugs/OutOfMemory\n");
1471 /* We still dump out the results of taps, etc., as we might have
1472 read some packets; however, we exit with an error status. */
1479 if (cfile.frames != NULL) {
1480 free_frame_data_sequence(cfile.frames);
1481 cfile.frames = NULL;
1484 draw_tap_listeners(TRUE);
1485 funnel_dump_all_text_windows();
1486 epan_free(cfile.epan);
1489 output_fields_free(output_fields);
1490 output_fields = NULL;
1495 static const nstime_t *
1496 tfshark_get_frame_ts(void *data, guint32 frame_num)
1498 capture_file *cf = (capture_file *) data;
1500 if (ref && ref->num == frame_num)
1501 return &ref->abs_ts;
1503 if (prev_dis && prev_dis->num == frame_num)
1504 return &prev_dis->abs_ts;
1506 if (prev_cap && prev_cap->num == frame_num)
1507 return &prev_cap->abs_ts;
1510 frame_data *fd = frame_data_sequence_find(cf->frames, frame_num);
1512 return (fd) ? &fd->abs_ts : NULL;
1519 no_interface_name(void *data _U_, guint32 interface_id _U_)
1525 tfshark_epan_new(capture_file *cf)
1527 epan_t *epan = epan_new();
1530 epan->get_frame_ts = tfshark_get_frame_ts;
1531 epan->get_interface_name = no_interface_name;
1532 epan->get_user_comment = NULL;
1538 process_packet_first_pass(capture_file *cf, epan_dissect_t *edt,
1539 gint64 offset, struct wtap_pkthdr *whdr,
1546 /* The frame number of this packet is one more than the count of
1547 frames in this packet. */
1548 framenum = cf->count + 1;
1550 /* If we're not running a display filter and we're not printing any
1551 packet information, we don't need to do a dissection. This means
1552 that all packets can be marked as 'passed'. */
1555 frame_data_init(&fdlocal, framenum, whdr, offset, cum_bytes);
1557 /* If we're going to print packet information, or we're going to
1558 run a read filter, or display filter, or we're going to process taps, set up to
1559 do a dissection and do so. */
1561 /* If we're running a read filter, prime the epan_dissect_t with that
1564 epan_dissect_prime_dfilter(edt, cf->rfcode);
1566 frame_data_set_before_dissect(&fdlocal, &cf->elapsed_time,
1568 if (ref == &fdlocal) {
1569 ref_frame = fdlocal;
1573 epan_dissect_file_run(edt, whdr, file_tvbuff_new(&fdlocal, pd), &fdlocal, NULL);
1575 /* Run the read filter if we have one. */
1577 passed = dfilter_apply_edt(cf->rfcode, edt);
1581 frame_data_set_after_dissect(&fdlocal, &cum_bytes);
1582 prev_cap = prev_dis = frame_data_sequence_add(cf->frames, &fdlocal);
1584 /* If we're not doing dissection then there won't be any dependent frames.
1585 * More importantly, edt.pi.dependent_frames won't be initialized because
1586 * epan hasn't been initialized.
1589 g_slist_foreach(edt->pi.dependent_frames, find_and_mark_frame_depended_upon, cf->frames);
1594 /* if we don't add it to the frame_data_sequence, clean it up right now
1596 frame_data_destroy(&fdlocal);
1600 epan_dissect_reset(edt);
1606 process_packet_second_pass(capture_file *cf, epan_dissect_t *edt, frame_data *fdata,
1607 struct wtap_pkthdr *phdr, Buffer *buf,
1613 /* If we're not running a display filter and we're not printing any
1614 packet information, we don't need to do a dissection. This means
1615 that all packets can be marked as 'passed'. */
1618 /* If we're going to print packet information, or we're going to
1619 run a read filter, or we're going to process taps, set up to
1620 do a dissection and do so. */
1623 /* If we're running a display filter, prime the epan_dissect_t with that
1626 epan_dissect_prime_dfilter(edt, cf->dfcode);
1628 col_custom_prime_edt(edt, &cf->cinfo);
1630 /* We only need the columns if either
1631 1) some tap needs the columns
1633 2) we're printing packet info but we're *not* verbose; in verbose
1634 mode, we print the protocol tree, not the protocol summary.
1636 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary))
1641 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1648 epan_dissect_file_run_with_taps(edt, phdr, file_tvbuff_new_buffer(fdata, buf), fdata, cinfo);
1650 /* Run the read/display filter if we have one. */
1652 passed = dfilter_apply_edt(cf->dfcode, edt);
1656 frame_data_set_after_dissect(fdata, &cum_bytes);
1657 /* Process this packet. */
1658 if (print_packet_info) {
1659 /* We're printing packet information; print the information for
1661 print_packet(cf, edt);
1663 /* The ANSI C standard does not appear to *require* that a line-buffered
1664 stream be flushed to the host environment whenever a newline is
1665 written, it just says that, on such a stream, characters "are
1666 intended to be transmitted to or from the host environment as a
1667 block when a new-line character is encountered".
1669 The Visual C++ 6.0 C implementation doesn't do what is intended;
1670 even if you set a stream to be line-buffered, it still doesn't
1671 flush the buffer at the end of every line.
1673 So, if the "-l" flag was specified, we flush the standard output
1674 at the end of a packet. This will do the right thing if we're
1675 printing packet summary lines, and, as we print the entire protocol
1676 tree for a single packet without waiting for anything to happen,
1677 it should be as good as line-buffered mode if we're printing
1678 protocol trees. (The whole reason for the "-l" flag in either
1679 tcpdump or TShark is to allow the output of a live capture to
1680 be piped to a program or script and to have that script see the
1681 information for the packet as soon as it's printed, rather than
1682 having to wait until a standard I/O buffer fills up. */
1686 if (ferror(stdout)) {
1687 show_print_file_io_error(errno);
1696 epan_dissect_reset(edt);
1698 return passed || fdata->flags.dependent_of_displayed;
1702 local_wtap_read(capture_file *cf, struct wtap_pkthdr* file_phdr _U_, int *err, gchar **err_info _U_, gint64 *data_offset _U_, guint8** data_buffer)
1704 /* int bytes_read; */
1705 gint64 packet_size = wtap_file_size(cf->wth, err);
1707 *data_buffer = (guint8*)g_malloc((gsize)packet_size);
1708 /* bytes_read =*/ file_read(*data_buffer, (unsigned int)packet_size, cf->wth->fh);
1710 #if 0 /* no more filetap */
1711 if (bytes_read < 0) {
1712 *err = file_error(cf->wth->fh, err_info);
1714 *err = FTAP_ERR_SHORT_READ;
1716 } else if (bytes_read == 0) {
1717 /* Done with file, no error */
1722 /* XXX - SET FRAME SIZE EQUAL TO TOTAL FILE SIZE */
1723 file_phdr->caplen = (guint32)packet_size;
1724 file_phdr->len = (guint32)packet_size;
1727 * Set the packet encapsulation to the file's encapsulation
1728 * value; if that's not WTAP_ENCAP_PER_PACKET, it's the
1729 * right answer (and means that the read routine for this
1730 * capture file type doesn't have to set it), and if it
1731 * *is* WTAP_ENCAP_PER_PACKET, the caller needs to set it
1734 wth->phdr.pkt_encap = wth->file_encap;
1736 if (!wth->subtype_read(wth, err, err_info, data_offset)) {
1738 * If we didn't get an error indication, we read
1739 * the last packet. See if there's any deferred
1740 * error, as might, for example, occur if we're
1741 * reading a compressed file, and we got an error
1742 * reading compressed data from the file, but
1743 * got enough compressed data to decompress the
1744 * last packet of the file.
1747 *err = file_error(wth->fh, err_info);
1748 return FALSE; /* failure */
1752 * It makes no sense for the captured data length to be bigger
1753 * than the actual data length.
1755 if (wth->phdr.caplen > wth->phdr.len)
1756 wth->phdr.caplen = wth->phdr.len;
1759 * Make sure that it's not WTAP_ENCAP_PER_PACKET, as that
1760 * probably means the file has that encapsulation type
1761 * but the read routine didn't set this packet's
1762 * encapsulation type.
1764 g_assert(wth->phdr.pkt_encap != WTAP_ENCAP_PER_PACKET);
1767 return TRUE; /* success */
1771 load_cap_file(capture_file *cf, int max_packet_count, gint64 max_byte_count)
1775 gchar *err_info = NULL;
1776 gint64 data_offset = 0;
1777 gboolean filtering_tap_listeners;
1780 epan_dissect_t *edt = NULL;
1781 struct wtap_pkthdr file_phdr;
1784 if (print_packet_info) {
1785 if (!write_preamble(cf)) {
1787 show_print_file_io_error(err);
1792 /* Do we have any tap listeners with filters? */
1793 filtering_tap_listeners = have_filtering_tap_listeners();
1795 /* Get the union of the flags for all tap listeners. */
1796 tap_flags = union_of_tap_listener_flags();
1798 wtap_phdr_init(&file_phdr);
1800 /* XXX - TEMPORARY HACK TO ELF DISSECTOR */
1801 file_phdr.pkt_encap = 1234;
1803 if (perform_two_pass_analysis) {
1806 /* Allocate a frame_data_sequence for all the frames. */
1807 cf->frames = new_frame_data_sequence();
1809 if (do_dissection) {
1810 gboolean create_proto_tree = FALSE;
1812 /* If we're going to be applying a filter, we'll need to
1813 create a protocol tree against which to apply the filter. */
1815 create_proto_tree = TRUE;
1817 /* We're not going to display the protocol tree on this pass,
1818 so it's not going to be "visible". */
1819 edt = epan_dissect_new(cf->epan, create_proto_tree, FALSE);
1821 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1822 if (process_packet_first_pass(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1823 wtap_buf_ptr(cf->wth))) {
1825 /* Stop reading if we have the maximum number of packets;
1826 * When the -c option has not been used, max_packet_count
1827 * starts at 0, which practically means, never stop reading.
1828 * (unless we roll over max_packet_count ?)
1830 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1831 err = 0; /* This is not an error */
1838 epan_dissect_free(edt);
1843 /* Close the sequential I/O side, to free up memory it requires. */
1844 wtap_sequential_close(cf->wth);
1847 /* Allow the protocol dissectors to free up memory that they
1848 * don't need after the sequential run-through of the packets. */
1849 postseq_cleanup_all_protocols();
1853 ws_buffer_init(&buf, 1500);
1855 if (do_dissection) {
1856 gboolean create_proto_tree;
1858 if (cf->dfcode || print_details || filtering_tap_listeners ||
1859 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1860 create_proto_tree = TRUE;
1862 create_proto_tree = FALSE;
1864 /* The protocol tree will be "visible", i.e., printed, only if we're
1865 printing packet details, which is true if we're printing stuff
1866 ("print_packet_info" is true) and we're in verbose mode
1867 ("packet_details" is true). */
1868 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1871 for (framenum = 1; err == 0 && framenum <= cf->count; framenum++) {
1872 fdata = frame_data_sequence_find(cf->frames, framenum);
1874 if (wtap_seek_read(cf->wth, fdata->file_off,
1875 &buf, fdata->cap_len, &err, &err_info)) {
1876 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1879 process_packet_second_pass(cf, edt, fdata, &cf->phdr, &buf, tap_flags);
1884 epan_dissect_free(edt);
1888 ws_buffer_free(&buf);
1893 if (do_dissection) {
1894 gboolean create_proto_tree;
1896 if (cf->rfcode || cf->dfcode || print_details || filtering_tap_listeners ||
1897 (tap_flags & TL_REQUIRES_PROTO_TREE) || have_custom_cols(&cf->cinfo))
1898 create_proto_tree = TRUE;
1900 create_proto_tree = FALSE;
1902 /* The protocol tree will be "visible", i.e., printed, only if we're
1903 printing packet details, which is true if we're printing stuff
1904 ("print_packet_info" is true) and we're in verbose mode
1905 ("packet_details" is true). */
1906 edt = epan_dissect_new(cf->epan, create_proto_tree, print_packet_info && print_details);
1909 while (local_wtap_read(cf, &file_phdr, &err, &err_info, &data_offset, &raw_data)) {
1913 process_packet(cf, edt, data_offset, &file_phdr/*wtap_phdr(cf->wth)*/,
1914 raw_data, tap_flags);
1916 /* Stop reading if we have the maximum number of packets;
1917 * When the -c option has not been used, max_packet_count
1918 * starts at 0, which practically means, never stop reading.
1919 * (unless we roll over max_packet_count ?)
1921 if ( (--max_packet_count == 0) || (max_byte_count != 0 && data_offset >= max_byte_count)) {
1922 err = 0; /* This is not an error */
1928 epan_dissect_free(edt);
1933 wtap_phdr_cleanup(&file_phdr);
1937 * Print a message noting that the read failed somewhere along the line.
1939 * If we're printing packet data, and the standard output and error are
1940 * going to the same place, flush the standard output, so everything
1941 * buffered up is written, and then print a newline to the standard error
1942 * before printing the error message, to separate it from the packet
1943 * data. (Alas, that only works on UN*X; st_dev is meaningless, and
1944 * the _fstat() documentation at Microsoft doesn't indicate whether
1945 * st_ino is even supported.)
1948 if (print_packet_info) {
1949 ws_statb64 stat_stdout, stat_stderr;
1951 if (ws_fstat64(1, &stat_stdout) == 0 && ws_fstat64(2, &stat_stderr) == 0) {
1952 if (stat_stdout.st_dev == stat_stderr.st_dev &&
1953 stat_stdout.st_ino == stat_stderr.st_ino) {
1955 fprintf(stderr, "\n");
1963 case FTAP_ERR_UNSUPPORTED:
1964 cmdarg_err("The file \"%s\" contains record data that TFShark doesn't support.\n(%s)",
1965 cf->filename, err_info);
1969 case FTAP_ERR_UNSUPPORTED_ENCAP:
1970 cmdarg_err("The file \"%s\" has a packet with a network type that TFShark doesn't support.\n(%s)",
1971 cf->filename, err_info);
1975 case FTAP_ERR_CANT_READ:
1976 cmdarg_err("An attempt to read from the file \"%s\" failed for some unknown reason.",
1980 case FTAP_ERR_SHORT_READ:
1981 cmdarg_err("The file \"%s\" appears to have been cut short in the middle of a packet.",
1985 case FTAP_ERR_BAD_FILE:
1986 cmdarg_err("The file \"%s\" appears to be damaged or corrupt.\n(%s)",
1987 cf->filename, err_info);
1991 case FTAP_ERR_DECOMPRESS:
1992 cmdarg_err("The compressed file \"%s\" appears to be damaged or corrupt.\n"
1993 "(%s)", cf->filename, err_info);
1997 cmdarg_err("An error occurred while reading the file \"%s\": %s.",
1998 cf->filename, ftap_strerror(err));
2003 if (print_packet_info) {
2004 if (!write_finale()) {
2006 show_print_file_io_error(err);
2012 wtap_close(cf->wth);
2019 process_packet(capture_file *cf, epan_dissect_t *edt, gint64 offset,
2020 struct wtap_pkthdr *whdr, const guchar *pd, guint tap_flags)
2026 /* Count this packet. */
2029 /* If we're not running a display filter and we're not printing any
2030 packet information, we don't need to do a dissection. This means
2031 that all packets can be marked as 'passed'. */
2034 frame_data_init(&fdata, cf->count, whdr, offset, cum_bytes);
2036 /* If we're going to print packet information, or we're going to
2037 run a read filter, or we're going to process taps, set up to
2038 do a dissection and do so. */
2040 /* If we're running a filter, prime the epan_dissect_t with that
2043 epan_dissect_prime_dfilter(edt, cf->dfcode);
2045 col_custom_prime_edt(edt, &cf->cinfo);
2047 /* We only need the columns if either
2048 1) some tap needs the columns
2050 2) we're printing packet info but we're *not* verbose; in verbose
2051 mode, we print the protocol tree, not the protocol summary.
2053 3) there is a column mapped as an individual field */
2054 if ((tap_flags & TL_REQUIRES_COLUMNS) || (print_packet_info && print_summary) || output_fields_has_cols(output_fields))
2059 frame_data_set_before_dissect(&fdata, &cf->elapsed_time,
2061 if (ref == &fdata) {
2066 epan_dissect_file_run_with_taps(edt, whdr, frame_tvbuff_new(&fdata, pd), &fdata, cinfo);
2068 /* Run the filter if we have it. */
2070 passed = dfilter_apply_edt(cf->dfcode, edt);
2074 frame_data_set_after_dissect(&fdata, &cum_bytes);
2076 /* Process this packet. */
2077 if (print_packet_info) {
2078 /* We're printing packet information; print the information for
2080 print_packet(cf, edt);
2082 /* The ANSI C standard does not appear to *require* that a line-buffered
2083 stream be flushed to the host environment whenever a newline is
2084 written, it just says that, on such a stream, characters "are
2085 intended to be transmitted to or from the host environment as a
2086 block when a new-line character is encountered".
2088 The Visual C++ 6.0 C implementation doesn't do what is intended;
2089 even if you set a stream to be line-buffered, it still doesn't
2090 flush the buffer at the end of every line.
2092 So, if the "-l" flag was specified, we flush the standard output
2093 at the end of a packet. This will do the right thing if we're
2094 printing packet summary lines, and, as we print the entire protocol
2095 tree for a single packet without waiting for anything to happen,
2096 it should be as good as line-buffered mode if we're printing
2097 protocol trees. (The whole reason for the "-l" flag in either
2098 tcpdump or TShark is to allow the output of a live capture to
2099 be piped to a program or script and to have that script see the
2100 information for the packet as soon as it's printed, rather than
2101 having to wait until a standard I/O buffer fills up. */
2105 if (ferror(stdout)) {
2106 show_print_file_io_error(errno);
2111 /* this must be set after print_packet() [bug #8160] */
2112 prev_dis_frame = fdata;
2113 prev_dis = &prev_dis_frame;
2116 prev_cap_frame = fdata;
2117 prev_cap = &prev_cap_frame;
2120 epan_dissect_reset(edt);
2121 frame_data_destroy(&fdata);
2127 write_preamble(capture_file *cf)
2129 switch (output_action) {
2132 return print_preamble(print_stream, cf->filename, get_ws_vcs_version_info());
2136 write_pdml_preamble(stdout, cf->filename);
2138 write_psml_preamble(&cf->cinfo, stdout);
2139 return !ferror(stdout);
2142 write_fields_preamble(output_fields, stdout);
2143 return !ferror(stdout);
2146 g_assert_not_reached();
2152 get_line_buf(size_t len)
2154 static char *line_bufp = NULL;
2155 static size_t line_buf_len = 256;
2156 size_t new_line_buf_len;
2158 for (new_line_buf_len = line_buf_len; len > new_line_buf_len;
2159 new_line_buf_len *= 2)
2161 if (line_bufp == NULL) {
2162 line_buf_len = new_line_buf_len;
2163 line_bufp = (char *)g_malloc(line_buf_len + 1);
2165 if (new_line_buf_len > line_buf_len) {
2166 line_buf_len = new_line_buf_len;
2167 line_bufp = (char *)g_realloc(line_bufp, line_buf_len + 1);
2174 put_string(char *dest, const char *str, size_t str_len)
2176 memcpy(dest, str, str_len);
2177 dest[str_len] = '\0';
2181 put_spaces_string(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2185 for (i = str_len; i < str_with_spaces; i++)
2188 put_string(dest, str, str_len);
2192 put_string_spaces(char *dest, const char *str, size_t str_len, size_t str_with_spaces)
2196 memcpy(dest, str, str_len);
2197 for (i = str_len; i < str_with_spaces; i++)
2200 dest[str_with_spaces] = '\0';
2204 print_columns(capture_file *cf)
2212 line_bufp = get_line_buf(256);
2215 for (i = 0; i < cf->cinfo.num_cols; i++) {
2216 /* Skip columns not marked as visible. */
2217 if (!get_column_visible(i))
2219 switch (cf->cinfo.col_fmt[i]) {
2221 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2224 line_bufp = get_line_buf(buf_offset + column_len);
2225 put_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2231 case COL_ABS_YMD_TIME: /* XXX - wider */
2232 case COL_ABS_YDOY_TIME: /* XXX - wider */
2234 case COL_UTC_YMD_TIME: /* XXX - wider */
2235 case COL_UTC_YDOY_TIME: /* XXX - wider */
2236 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2237 if (column_len < 10)
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_SRC:
2247 case COL_RES_DL_SRC:
2248 case COL_UNRES_DL_SRC:
2249 case COL_DEF_NET_SRC:
2250 case COL_RES_NET_SRC:
2251 case COL_UNRES_NET_SRC:
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_spaces_string(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2262 case COL_DEF_DL_DST:
2263 case COL_RES_DL_DST:
2264 case COL_UNRES_DL_DST:
2265 case COL_DEF_NET_DST:
2266 case COL_RES_NET_DST:
2267 case COL_UNRES_NET_DST:
2268 column_len = col_len = strlen(cf->cinfo.col_data[i]);
2269 if (column_len < 12)
2271 line_bufp = get_line_buf(buf_offset + column_len);
2272 put_string_spaces(line_bufp + buf_offset, cf->cinfo.col_data[i], col_len, column_len);
2276 column_len = strlen(cf->cinfo.col_data[i]);
2277 line_bufp = get_line_buf(buf_offset + column_len);
2278 put_string(line_bufp + buf_offset, cf->cinfo.col_data[i], column_len);
2281 buf_offset += column_len;
2282 if (i != cf->cinfo.num_cols - 1) {
2284 * This isn't the last column, so we need to print a
2285 * separator between this column and the next.
2287 * If we printed a network source and are printing a
2288 * network destination of the same type next, separate
2289 * them with " -> "; if we printed a network destination
2290 * and are printing a network source of the same type
2291 * next, separate them with " <- "; otherwise separate them
2294 * We add enough space to the buffer for " <- " or " -> ",
2295 * even if we're only adding " ".
2297 line_bufp = get_line_buf(buf_offset + 4);
2298 switch (cf->cinfo.col_fmt[i]) {
2303 switch (cf->cinfo.col_fmt[i + 1]) {
2308 put_string(line_bufp + buf_offset, " -> ", 4);
2313 put_string(line_bufp + buf_offset, " ", 1);
2319 case COL_DEF_DL_SRC:
2320 case COL_RES_DL_SRC:
2321 case COL_UNRES_DL_SRC:
2322 switch (cf->cinfo.col_fmt[i + 1]) {
2324 case COL_DEF_DL_DST:
2325 case COL_RES_DL_DST:
2326 case COL_UNRES_DL_DST:
2327 put_string(line_bufp + buf_offset, " -> ", 4);
2332 put_string(line_bufp + buf_offset, " ", 1);
2338 case COL_DEF_NET_SRC:
2339 case COL_RES_NET_SRC:
2340 case COL_UNRES_NET_SRC:
2341 switch (cf->cinfo.col_fmt[i + 1]) {
2343 case COL_DEF_NET_DST:
2344 case COL_RES_NET_DST:
2345 case COL_UNRES_NET_DST:
2346 put_string(line_bufp + buf_offset, " -> ", 4);
2351 put_string(line_bufp + buf_offset, " ", 1);
2360 switch (cf->cinfo.col_fmt[i + 1]) {
2365 put_string(line_bufp + buf_offset, " <- ", 4);
2370 put_string(line_bufp + buf_offset, " ", 1);
2376 case COL_DEF_DL_DST:
2377 case COL_RES_DL_DST:
2378 case COL_UNRES_DL_DST:
2379 switch (cf->cinfo.col_fmt[i + 1]) {
2381 case COL_DEF_DL_SRC:
2382 case COL_RES_DL_SRC:
2383 case COL_UNRES_DL_SRC:
2384 put_string(line_bufp + buf_offset, " <- ", 4);
2389 put_string(line_bufp + buf_offset, " ", 1);
2395 case COL_DEF_NET_DST:
2396 case COL_RES_NET_DST:
2397 case COL_UNRES_NET_DST:
2398 switch (cf->cinfo.col_fmt[i + 1]) {
2400 case COL_DEF_NET_SRC:
2401 case COL_RES_NET_SRC:
2402 case COL_UNRES_NET_SRC:
2403 put_string(line_bufp + buf_offset, " <- ", 4);
2408 put_string(line_bufp + buf_offset, " ", 1);
2415 put_string(line_bufp + buf_offset, " ", 1);
2421 return print_line(print_stream, 0, line_bufp);
2425 print_packet(capture_file *cf, epan_dissect_t *edt)
2427 print_args_t print_args;
2429 if (print_summary || output_fields_has_cols(output_fields)) {
2430 /* Just fill in the columns. */
2431 epan_dissect_fill_in_columns(edt, FALSE, TRUE);
2433 if (print_summary) {
2434 /* Now print them. */
2435 switch (output_action) {
2438 if (!print_columns(cf))
2443 write_psml_columns(edt, stdout);
2444 return !ferror(stdout);
2445 case WRITE_FIELDS: /*No non-verbose "fields" format */
2446 g_assert_not_reached();
2451 if (print_details) {
2452 /* Print the information in the protocol tree. */
2453 switch (output_action) {
2456 /* Only initialize the fields that are actually used in proto_tree_print.
2457 * This is particularly important for .range, as that's heap memory which
2458 * we would otherwise have to g_free().
2459 print_args.to_file = TRUE;
2460 print_args.format = print_format;
2461 print_args.print_summary = print_summary;
2462 print_args.print_formfeed = FALSE;
2463 packet_range_init(&print_args.range, &cfile);
2465 print_args.print_hex = print_hex;
2466 print_args.print_dissections = print_details ? print_dissections_expanded : print_dissections_none;
2468 if (!proto_tree_print(&print_args, edt, output_only_tables, print_stream))
2471 if (!print_line(print_stream, 0, separator))
2477 write_pdml_proto_tree(edt, stdout);
2479 return !ferror(stdout);
2481 write_fields_proto_tree(output_fields, edt, &cf->cinfo, stdout);
2483 return !ferror(stdout);
2487 if (print_summary || print_details) {
2488 if (!print_line(print_stream, 0, ""))
2491 if (!print_hex_data(print_stream, edt))
2493 if (!print_line(print_stream, 0, separator))
2502 switch (output_action) {
2505 return print_finale(print_stream);
2509 write_pdml_finale(stdout);
2511 write_psml_finale(stdout);
2512 return !ferror(stdout);
2515 write_fields_finale(output_fields, stdout);
2516 return !ferror(stdout);
2519 g_assert_not_reached();
2525 cf_open(capture_file *cf, const char *fname, unsigned int type, gboolean is_tempfile, int *err)
2528 char err_msg[2048+1];
2530 /* The open isn't implemented yet. Fill in the information for this file. */
2532 /* Create new epan session for dissection. */
2533 epan_free(cf->epan);
2534 cf->epan = tfshark_epan_new(cf);
2536 cf->wth = NULL; /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2537 cf->f_datalen = 0; /* not used, but set it anyway */
2539 /* Set the file name because we need it to set the follow stream filter.
2540 XXX - is that still true? We need it for other reasons, though,
2542 cf->filename = g_strdup(fname);
2544 /* Indicate whether it's a permanent or temporary file. */
2545 cf->is_tempfile = is_tempfile;
2547 /* No user changes yet. */
2548 cf->unsaved_changes = FALSE;
2550 cf->cd_t = 0; /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2551 cf->open_type = type;
2553 cf->drops_known = FALSE;
2555 cf->snap = 0; /**** XXX - DOESN'T WORK RIGHT NOW!!!! */
2556 if (cf->snap == 0) {
2557 /* Snapshot length not known. */
2558 cf->has_snap = FALSE;
2561 cf->has_snap = TRUE;
2562 nstime_set_zero(&cf->elapsed_time);
2567 cf->state = FILE_READ_IN_PROGRESS;
2572 g_snprintf(err_msg, sizeof err_msg,
2573 cf_open_error_message(*err, err_info, FALSE, cf->cd_t), fname);
2574 cmdarg_err("%s", err_msg);
2579 show_print_file_io_error(int err)
2584 cmdarg_err("Not all the packets could be printed because there is "
2585 "no space left on the file system.");
2590 cmdarg_err("Not all the packets could be printed because you are "
2591 "too close to, or over your disk quota.");
2596 cmdarg_err("An error occurred while printing packets: %s.",
2603 cf_open_error_message(int err, gchar *err_info _U_, gboolean for_writing,
2607 /* static char errmsg_errno[1024+1]; */
2610 /* Wiretap error. */
2614 case FTAP_ERR_NOT_REGULAR_FILE:
2615 errmsg = "The file \"%s\" is a \"special file\" or socket or other non-regular file.";
2618 case FTAP_ERR_RANDOM_OPEN_PIPE:
2619 /* Seen only when opening a capture file for reading. */
2620 errmsg = "The file \"%s\" is a pipe or FIFO; TFShark can't read pipe or FIFO files in two-pass mode.";
2623 case FTAP_ERR_FILE_UNKNOWN_FORMAT:
2624 /* Seen only when opening a capture file for reading. */
2625 errmsg = "The file \"%s\" isn't a capture file in a format TFShark understands.";
2628 case FTAP_ERR_UNSUPPORTED:
2629 /* Seen only when opening a capture file for reading. */
2630 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2631 "The file \"%%s\" isn't a capture file in a format TFShark understands.\n"
2634 errmsg = errmsg_errno;
2637 case FTAP_ERR_CANT_WRITE_TO_PIPE:
2638 /* Seen only when opening a capture file for writing. */
2639 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2640 "The file \"%%s\" is a pipe, and \"%s\" capture files can't be "
2641 "written to a pipe.", ftap_file_type_subtype_short_string(file_type));
2642 errmsg = errmsg_errno;
2645 case FTAP_ERR_UNSUPPORTED_FILE_TYPE:
2646 /* Seen only when opening a capture file for writing. */
2647 errmsg = "TFShark doesn't support writing capture files in that format.";
2650 case FTAP_ERR_UNSUPPORTED_ENCAP:
2652 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2653 "TFShark can't save this capture as a \"%s\" file.",
2654 ftap_file_type_subtype_short_string(file_type));
2656 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2657 "The file \"%%s\" is a capture for a network type that TFShark doesn't support.\n"
2661 errmsg = errmsg_errno;
2664 case FTAP_ERR_ENCAP_PER_RECORD_UNSUPPORTED:
2666 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2667 "TFShark can't save this capture as a \"%s\" file.",
2668 ftap_file_type_subtype_short_string(file_type));
2669 errmsg = errmsg_errno;
2671 errmsg = "The file \"%s\" is a capture for a network type that TFShark doesn't support.";
2674 case FTAP_ERR_BAD_FILE:
2675 /* Seen only when opening a capture file for reading. */
2676 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2677 "The file \"%%s\" appears to be damaged or corrupt.\n"
2680 errmsg = errmsg_errno;
2683 case FTAP_ERR_CANT_OPEN:
2685 errmsg = "The file \"%s\" could not be created for some unknown reason.";
2687 errmsg = "The file \"%s\" could not be opened for some unknown reason.";
2690 case FTAP_ERR_SHORT_READ:
2691 errmsg = "The file \"%s\" appears to have been cut short"
2692 " in the middle of a packet or other data.";
2695 case FTAP_ERR_SHORT_WRITE:
2696 errmsg = "A full header couldn't be written to the file \"%s\".";
2699 case FTAP_ERR_COMPRESSION_NOT_SUPPORTED:
2700 errmsg = "This file type cannot be written as a compressed file.";
2703 case FTAP_ERR_DECOMPRESS:
2704 /* Seen only when opening a capture file for reading. */
2705 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2706 "The compressed file \"%%s\" appears to be damaged or corrupt.\n"
2709 errmsg = errmsg_errno;
2713 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
2714 "The file \"%%s\" could not be %s: %s.",
2715 for_writing ? "created" : "opened",
2716 ftap_strerror(err));
2717 errmsg = errmsg_errno;
2722 errmsg = file_open_error_message(err, for_writing);
2727 * Open/create errors are reported with an console message in TFShark.
2730 open_failure_message(const char *filename, int err, gboolean for_writing)
2732 fprintf(stderr, "tfshark: ");
2733 fprintf(stderr, file_open_error_message(err, for_writing), filename);
2734 fprintf(stderr, "\n");
2739 * General errors are reported with an console message in TFShark.
2742 failure_message(const char *msg_format, va_list ap)
2744 fprintf(stderr, "tfshark: ");
2745 vfprintf(stderr, msg_format, ap);
2746 fprintf(stderr, "\n");
2750 * Read errors are reported with an console message in TFShark.
2753 read_failure_message(const char *filename, int err)
2755 cmdarg_err("An error occurred while reading from the file \"%s\": %s.",
2756 filename, g_strerror(err));
2760 * Write errors are reported with an console message in TFShark.
2763 write_failure_message(const char *filename, int err)
2765 cmdarg_err("An error occurred while writing to the file \"%s\": %s.",
2766 filename, g_strerror(err));
2770 * Report additional information for an error in command-line arguments.
2773 failure_message_cont(const char *msg_format, va_list ap)
2775 vfprintf(stderr, msg_format, ap);
2776 fprintf(stderr, "\n");
2780 * Editor modelines - http://www.wireshark.org/tools/modelines.html
2785 * indent-tabs-mode: nil
2788 * vi: set shiftwidth=2 tabstop=8 expandtab:
2789 * :indentSize=2:tabSize=8:noTabs=true: