6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
46 #include <epan/epan.h>
47 #include <epan/filesystem.h>
50 #include "color_filters.h"
52 #include <epan/column.h>
53 #include <epan/packet.h>
54 #include <epan/column-utils.h>
55 #include "packet-range.h"
61 #include "alert_box.h"
62 #include "simple_dialog.h"
63 #include "progress_dlg.h"
65 #include <epan/prefs.h>
66 #include <epan/dfilter/dfilter.h>
67 #include <epan/epan_dissect.h>
69 #include <epan/dissectors/packet-data.h>
70 #include <epan/dissectors/packet-ber.h>
71 #include <epan/timestamp.h>
72 #include <epan/dfilter/dfilter-macro.h>
73 #include <wsutil/file_util.h>
74 #include <epan/strutil.h>
77 gboolean auto_scroll_live;
80 static guint32 cum_bytes;
81 static nstime_t first_ts;
82 static nstime_t prev_dis_ts;
83 static nstime_t prev_cap_ts;
85 static gulong computed_elapsed;
87 static void cf_reset_state(capture_file *cf);
89 static int read_packet(capture_file *cf, dfilter_t *dfcode,
90 gboolean filtering_tap_listeners, guint tap_flags, gint64 offset);
92 static void rescan_packets(capture_file *cf, const char *action, const char *action_item,
93 gboolean refilter, gboolean redissect);
95 static gboolean match_protocol_tree(capture_file *cf, frame_data *fdata,
97 static void match_subtree_text(proto_node *node, gpointer data);
98 static gboolean match_summary_line(capture_file *cf, frame_data *fdata,
100 static gboolean match_ascii_and_unicode(capture_file *cf, frame_data *fdata,
102 static gboolean match_ascii(capture_file *cf, frame_data *fdata,
104 static gboolean match_unicode(capture_file *cf, frame_data *fdata,
106 static gboolean match_binary(capture_file *cf, frame_data *fdata,
108 static gboolean match_dfilter(capture_file *cf, frame_data *fdata,
110 static gboolean find_packet(capture_file *cf,
111 gboolean (*match_function)(capture_file *, frame_data *, void *),
114 static void cf_open_failure_alert_box(const char *filename, int err,
115 gchar *err_info, gboolean for_writing,
117 static const char *file_rename_error_message(int err);
118 static void cf_write_failure_alert_box(const char *filename, int err);
119 static void cf_close_failure_alert_box(const char *filename, int err);
120 #ifdef NEW_PACKET_LIST
121 static void ref_time_packets(capture_file *cf);
123 /* Update the progress bar this many times when reading a file. */
124 #define N_PROGBAR_UPDATES 100
125 /* We read around 200k/100ms domt update the progress bar more often than that */
126 #define MIN_QUANTUM 200000
127 #define MIN_NUMBER_OF_PACKET 1500
129 /* Number of "frame_data" structures per memory chunk.
130 XXX - is this the right number? */
131 #define FRAME_DATA_CHUNK_SIZE 1024
134 /* this callback mechanism should possibly be replaced by the g_signal_...() stuff (if I only would know how :-) */
136 cf_callback_t cb_fct;
138 } cf_callback_data_t;
140 static GList *cf_callbacks = NULL;
143 cf_callback_invoke(int event, gpointer data)
145 cf_callback_data_t *cb;
146 GList *cb_item = cf_callbacks;
148 /* there should be at least one interested */
149 g_assert(cb_item != NULL);
151 while(cb_item != NULL) {
153 cb->cb_fct(event, data, cb->user_data);
154 cb_item = g_list_next(cb_item);
160 cf_callback_add(cf_callback_t func, gpointer user_data)
162 cf_callback_data_t *cb;
164 cb = g_malloc(sizeof(cf_callback_data_t));
166 cb->user_data = user_data;
168 cf_callbacks = g_list_append(cf_callbacks, cb);
172 cf_callback_remove(cf_callback_t func)
174 cf_callback_data_t *cb;
175 GList *cb_item = cf_callbacks;
177 while(cb_item != NULL) {
179 if(cb->cb_fct == func) {
180 cf_callbacks = g_list_remove(cf_callbacks, cb);
184 cb_item = g_list_next(cb_item);
187 g_assert_not_reached();
191 cf_timestamp_auto_precision(capture_file *cf)
193 #ifdef NEW_PACKET_LIST
196 int prec = timestamp_get_precision();
199 /* don't try to get the file's precision if none is opened */
200 if(cf->state == FILE_CLOSED) {
204 /* if we are in auto mode, set precision of current file */
205 if(prec == TS_PREC_AUTO ||
206 prec == TS_PREC_AUTO_SEC ||
207 prec == TS_PREC_AUTO_DSEC ||
208 prec == TS_PREC_AUTO_CSEC ||
209 prec == TS_PREC_AUTO_MSEC ||
210 prec == TS_PREC_AUTO_USEC ||
211 prec == TS_PREC_AUTO_NSEC)
213 switch(wtap_file_tsprecision(cf->wth)) {
214 case(WTAP_FILE_TSPREC_SEC):
215 timestamp_set_precision(TS_PREC_AUTO_SEC);
217 case(WTAP_FILE_TSPREC_DSEC):
218 timestamp_set_precision(TS_PREC_AUTO_DSEC);
220 case(WTAP_FILE_TSPREC_CSEC):
221 timestamp_set_precision(TS_PREC_AUTO_CSEC);
223 case(WTAP_FILE_TSPREC_MSEC):
224 timestamp_set_precision(TS_PREC_AUTO_MSEC);
226 case(WTAP_FILE_TSPREC_USEC):
227 timestamp_set_precision(TS_PREC_AUTO_USEC);
229 case(WTAP_FILE_TSPREC_NSEC):
230 timestamp_set_precision(TS_PREC_AUTO_NSEC);
233 g_assert_not_reached();
236 #ifdef NEW_PACKET_LIST
237 /* Set the column widths of those columns that show the time in
238 "command-line-specified" format. */
239 for (i = 0; i < cf->cinfo.num_cols; i++) {
240 if (col_has_time_fmt(&cf->cinfo, i)) {
241 new_packet_list_resize_column(i);
248 cf_get_computed_elapsed(void)
250 return computed_elapsed;
253 static void reset_elapsed(void)
255 computed_elapsed = 0;
258 static void compute_elapsed(GTimeVal *start_time)
263 g_get_current_time(&time_now);
265 delta_time = (time_now.tv_sec - start_time->tv_sec) * 1e6 +
266 time_now.tv_usec - start_time->tv_usec;
268 computed_elapsed = (gulong) (delta_time / 1000); /* ms*/
272 cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err)
277 wth = wtap_open_offline(fname, err, &err_info, TRUE);
281 /* The open succeeded. Close whatever capture file we had open,
282 and fill in the information for this file. */
285 /* Cleanup all data structures used for dissection. */
286 cleanup_dissection();
287 /* Initialize all data structures used for dissection. */
290 /* We're about to start reading the file. */
291 cf->state = FILE_READ_IN_PROGRESS;
296 /* Set the file name because we need it to set the follow stream filter.
297 XXX - is that still true? We need it for other reasons, though,
299 cf->filename = g_strdup(fname);
301 /* Indicate whether it's a permanent or temporary file. */
302 cf->is_tempfile = is_tempfile;
304 /* If it's a temporary capture buffer file, mark it as not saved. */
305 cf->user_saved = !is_tempfile;
309 cf->cd_t = wtap_file_type(cf->wth);
311 cf->displayed_count = 0;
312 cf->marked_count = 0;
313 cf->ignored_count = 0;
314 cf->drops_known = FALSE;
316 cf->snap = wtap_snapshot_length(cf->wth);
318 /* Snapshot length not known. */
319 cf->has_snap = FALSE;
320 cf->snap = WTAP_MAX_PACKET_SIZE;
324 nstime_set_zero(&cf->elapsed_time);
325 nstime_set_unset(&first_ts);
326 nstime_set_unset(&prev_dis_ts);
327 nstime_set_unset(&prev_cap_ts);
330 #if GLIB_CHECK_VERSION(2,10,0)
332 /* memory chunks have been deprecated in favor of the slice allocator,
333 * which has been added in 2.10
335 cf->plist_chunk = g_mem_chunk_new("frame_data_chunk",
337 FRAME_DATA_CHUNK_SIZE * sizeof(frame_data),
339 g_assert(cf->plist_chunk);
342 #ifdef NEW_PACKET_LIST
343 /* Adjust timestamp precision if auto is selected, col width will be adjusted */
344 cf_timestamp_auto_precision(cf);
346 new_packet_list_queue_draw();
348 /* change the time formats now, as we might have a new precision */
349 cf_change_time_formats(cf);
351 fileset_file_opened(fname);
353 if(cf->cd_t == WTAP_FILE_BER) {
354 /* tell the BER dissector the file name */
355 ber_set_filename(cf->filename);
361 cf_open_failure_alert_box(fname, *err, err_info, FALSE, 0);
367 * Reset the state for the currently closed file, but don't do the
368 * UI callbacks; this is for use in "cf_open()", where we don't
369 * want the UI to go from "file open" to "file closed" back to
370 * "file open", we want it to go from "old file open" to "new file
371 * open and being read".
374 cf_reset_state(capture_file *cf)
376 /* Die if we're in the middle of reading a file. */
377 g_assert(cf->state != FILE_READ_IN_PROGRESS);
383 /* We have no file open... */
384 if (cf->filename != NULL) {
385 /* If it's a temporary file, remove it. */
387 ws_unlink(cf->filename);
388 g_free(cf->filename);
391 /* ...which means we have nothing to save. */
392 cf->user_saved = FALSE;
394 #if GLIB_CHECK_VERSION(2,10,0)
395 if (cf->plist_start != NULL)
396 g_slice_free_chain(frame_data, cf->plist_start, next);
398 /* memory chunks have been deprecated in favor of the slice allocator,
399 * which has been added in 2.10
401 if (cf->plist_chunk != NULL) {
402 g_mem_chunk_destroy(cf->plist_chunk);
403 cf->plist_chunk = NULL;
406 dfilter_free(cf->rfcode);
408 cf->plist_start = NULL;
409 cf->plist_end = NULL;
410 cf_unselect_packet(cf); /* nothing to select */
411 cf->first_displayed = NULL;
412 cf->last_displayed = NULL;
414 /* No frame selected, no field in that frame selected. */
415 cf->current_frame = NULL;
417 cf->finfo_selected = NULL;
419 /* Clear the packet list. */
420 #ifdef NEW_PACKET_LIST
421 new_packet_list_freeze();
422 new_packet_list_clear();
423 new_packet_list_thaw();
425 packet_list_freeze();
432 nstime_set_zero(&cf->elapsed_time);
434 reset_tap_listeners();
436 /* We have no file open. */
437 cf->state = FILE_CLOSED;
439 fileset_file_closed();
442 /* Reset everything to a pristine state */
444 cf_close(capture_file *cf)
446 /* do GUI things even if file is already closed,
447 * e.g. to cleanup things if a capture couldn't be started */
448 cf_callback_invoke(cf_cb_file_closing, cf);
450 /* close things, if not already closed before */
451 if(cf->state != FILE_CLOSED) {
452 color_filters_cleanup();
454 cleanup_dissection();
457 cf_callback_invoke(cf_cb_file_closed, cf);
460 /* an out of memory exception occured, wait for a user button press to exit */
461 static void outofmemory_cb(gpointer dialog _U_, gint btn _U_, gpointer data _U_)
466 static float calc_progbar_val(capture_file *cf, gint64 size, gint64 file_pos){
470 progbar_val = (gfloat) file_pos / (gfloat) size;
471 if (progbar_val > 1.0) {
472 /* The file probably grew while we were reading it.
473 Update file size, and try again. */
474 size = wtap_file_size(cf->wth, NULL);
476 progbar_val = (gfloat) file_pos / (gfloat) size;
477 /* If it's still > 1, either "wtap_file_size()" failed (in which
478 case there's not much we can do about it), or the file
479 *shrank* (in which case there's not much we can do about
480 it); just clip the progress value at 1.0. */
481 if (progbar_val > 1.0f)
488 cf_read(capture_file *cf, gboolean from_save)
492 const gchar *name_ptr;
494 char errmsg_errno[1024+1];
496 progdlg_t *volatile progbar = NULL;
498 volatile gint64 size;
499 volatile float progbar_val;
501 gchar status_str[100];
502 volatile gint64 progbar_nextstep;
503 volatile gint64 progbar_quantum;
505 gboolean filtering_tap_listeners;
507 volatile int count = 0;
509 volatile int displayed_once = 0;
513 /* Compile the current display filter.
514 * We assume this will not fail since cf->dfilter is only set in
515 * cf_filter IFF the filter was valid.
517 compiled = dfilter_compile(cf->dfilter, &dfcode);
518 g_assert(!cf->dfilter || (compiled && dfcode));
520 /* Do we have any tap listeners with filters? */
521 filtering_tap_listeners = have_filtering_tap_listeners();
523 /* Get the union of the flags for all tap listeners. */
524 tap_flags = union_of_tap_listener_flags();
526 reset_tap_listeners();
528 name_ptr = get_basename(cf->filename);
530 if (from_save == FALSE)
531 cf_callback_invoke(cf_cb_file_read_started, cf);
533 cf_callback_invoke(cf_cb_file_save_started, (gpointer)name_ptr);
535 /* Find the size of the file. */
536 size = wtap_file_size(cf->wth, NULL);
538 /* Update the progress bar when it gets to this value. */
539 progbar_nextstep = 0;
540 /* When we reach the value that triggers a progress bar update,
541 bump that value by this amount. */
543 progbar_quantum = size/N_PROGBAR_UPDATES;
544 if (progbar_quantum < MIN_QUANTUM)
545 progbar_quantum = MIN_QUANTUM;
548 /* Progress so far. */
551 #ifdef NEW_PACKET_LIST
552 new_packet_list_freeze();
554 packet_list_freeze();
558 g_get_current_time(&start_time);
560 while ((wtap_read(cf->wth, &err, &err_info, &data_offset))) {
563 /* Create the progress bar if necessary.
564 * Check wether it should be created or not every MIN_NUMBER_OF_PACKET
566 if ((progbar == NULL) && !(count % MIN_NUMBER_OF_PACKET)){
567 progbar_val = calc_progbar_val( cf, size, data_offset);
568 if (from_save == FALSE)
569 progbar = delayed_create_progress_dlg("Loading", name_ptr,
570 TRUE, &stop_flag, &start_time, progbar_val);
572 progbar = delayed_create_progress_dlg("Saving", name_ptr,
573 TRUE, &stop_flag, &start_time, progbar_val);
576 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
577 when we update it, we have to run the GTK+ main loop to get it
578 to repaint what's pending, and doing so may involve an "ioctl()"
579 to see if there's any pending input from an X server, and doing
580 that for every packet can be costly, especially on a big file. */
581 if (data_offset >= progbar_nextstep) {
582 if (progbar != NULL) {
583 progbar_val = calc_progbar_val( cf, size, data_offset);
584 /* update the packet lists content on the first run or frequently on very large files */
585 /* (on smaller files the display update takes longer than reading the file) */
587 if (progbar_quantum > 500000 || displayed_once == 0) {
588 if ((auto_scroll_live || displayed_once == 0 || cf->displayed_count < 1000) && cf->plist_end != NULL) {
590 #ifdef NEW_PACKET_LIST
591 new_packet_list_thaw();
592 if (auto_scroll_live)
593 new_packet_list_moveto_end();
594 new_packet_list_freeze();
597 if (auto_scroll_live)
598 packet_list_moveto_end();
599 packet_list_freeze();
600 #endif /* NEW_PACKET_LIST */
603 #endif /* HAVE_LIBPCAP */
604 g_snprintf(status_str, sizeof(status_str),
605 "%" G_GINT64_MODIFIER "dKB of %" G_GINT64_MODIFIER "dKB",
606 data_offset / 1024, size / 1024);
607 update_progress_dlg(progbar, progbar_val, status_str);
609 progbar_nextstep += progbar_quantum;
614 /* Well, the user decided to abort the read. He/She will be warned and
615 it might be enough for him/her to work with the already loaded
617 This is especially true for very large capture files, where you don't
618 want to wait loading the whole file (which may last minutes or even
619 hours even on fast machines) just to see that it was the wrong file. */
623 read_packet(cf, dfcode, filtering_tap_listeners, tap_flags, data_offset);
625 CATCH(OutOfMemoryError) {
628 dialog = simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
629 "%sOut Of Memory!%s\n"
631 "Sorry, but Wireshark has to terminate now!\n"
633 "Some infos / workarounds can be found at:\n"
634 "http://wiki.wireshark.org/KnownBugs/OutOfMemory",
635 simple_dialog_primary_start(), simple_dialog_primary_end());
636 /* we have to terminate, as we cannot recover from the memory error */
637 simple_dialog_set_cb(dialog, outofmemory_cb, NULL);
639 main_window_update();
640 /* XXX - how to avoid a busy wait? */
648 /* Cleanup and release all dfilter resources */
650 dfilter_free(dfcode);
653 /* We're done reading the file; destroy the progress bar if it was created. */
655 destroy_progress_dlg(progbar);
657 /* We're done reading sequentially through the file. */
658 cf->state = FILE_READ_DONE;
660 /* Close the sequential I/O side, to free up memory it requires. */
661 wtap_sequential_close(cf->wth);
663 /* Allow the protocol dissectors to free up memory that they
664 * don't need after the sequential run-through of the packets. */
665 postseq_cleanup_all_protocols();
667 /* compute the time it took to load the file */
668 compute_elapsed(&start_time);
670 /* Set the file encapsulation type now; we don't know what it is until
671 we've looked at all the packets, as we don't know until then whether
672 there's more than one type (and thus whether it's
673 WTAP_ENCAP_PER_PACKET). */
674 cf->lnk_t = wtap_file_encap(cf->wth);
676 cf->current_frame = cf->first_displayed;
679 #ifdef NEW_PACKET_LIST
680 new_packet_list_thaw();
684 if (from_save == FALSE)
685 cf_callback_invoke(cf_cb_file_read_finished, cf);
687 cf_callback_invoke(cf_cb_file_save_finished, cf);
689 /* If we have any displayed packets to select, select the first of those
690 packets by making the first row the selected row. */
691 if (cf->first_displayed != NULL){
692 #ifdef NEW_PACKET_LIST
693 new_packet_list_select_first_row();
695 packet_list_select_row(0);
696 #endif /* NEW_PACKET_LIST */
700 simple_dialog(ESD_TYPE_WARN, ESD_BTN_OK,
701 "%sFile loading was cancelled!%s\n"
703 "The remaining packets in the file were discarded.\n"
705 "As a lot of packets from the original file will be missing,\n"
706 "remember to be careful when saving the current content to a file.\n",
707 simple_dialog_primary_start(), simple_dialog_primary_end());
708 return CF_READ_ERROR;
712 /* Put up a message box noting that the read failed somewhere along
713 the line. Don't throw out the stuff we managed to read, though,
717 case WTAP_ERR_UNSUPPORTED_ENCAP:
718 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
719 "The capture file has a packet with a network type that Wireshark doesn't support.\n(%s)",
722 errmsg = errmsg_errno;
725 case WTAP_ERR_CANT_READ:
726 errmsg = "An attempt to read from the capture file failed for"
727 " some unknown reason.";
730 case WTAP_ERR_SHORT_READ:
731 errmsg = "The capture file appears to have been cut short"
732 " in the middle of a packet.";
735 case WTAP_ERR_BAD_RECORD:
736 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
737 "The capture file appears to be damaged or corrupt.\n(%s)",
740 errmsg = errmsg_errno;
744 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
745 "An error occurred while reading the"
746 " capture file: %s.", wtap_strerror(err));
747 errmsg = errmsg_errno;
750 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", errmsg);
751 return CF_READ_ERROR;
758 cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err)
760 cf_status_t cf_status;
762 cf_status = cf_open(cf, fname, is_tempfile, err);
767 cf_continue_tail(capture_file *cf, volatile int to_read, int *err)
769 gint64 data_offset = 0;
771 volatile int newly_displayed_packets = 0;
773 gboolean filtering_tap_listeners;
775 volatile gboolean visible = FALSE;
778 /* Compile the current display filter.
779 * We assume this will not fail since cf->dfilter is only set in
780 * cf_filter IFF the filter was valid.
782 compiled = dfilter_compile(cf->dfilter, &dfcode);
783 g_assert(!cf->dfilter || (compiled && dfcode));
785 /* Do we have any tap listeners with filters? */
786 filtering_tap_listeners = have_filtering_tap_listeners();
788 /* Get the union of the flags for all tap listeners. */
789 tap_flags = union_of_tap_listener_flags();
793 #ifdef NEW_PACKET_LIST
794 new_packet_list_check_end();
795 new_packet_list_freeze();
797 packet_list_check_end();
798 packet_list_freeze();
801 /*g_log(NULL, G_LOG_LEVEL_MESSAGE, "cf_continue_tail: %u new: %u", cf->count, to_read);*/
803 while (to_read != 0 && (wtap_read(cf->wth, err, &err_info, &data_offset))) {
804 if (cf->state == FILE_READ_ABORTED) {
805 /* Well, the user decided to exit Wireshark. Break out of the
806 loop, and let the code below (which is called even if there
807 aren't any packets left to read) exit. */
811 if (read_packet(cf, dfcode, filtering_tap_listeners, tap_flags,
812 data_offset) != -1) {
814 newly_displayed_packets++;
819 CATCH(OutOfMemoryError) {
822 dialog = simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
823 "%sOut Of Memory!%s\n"
825 "Sorry, but Wireshark has to terminate now!\n"
827 "The capture file is not lost, it can be found at:\n"
830 "Some infos / workarounds can be found at:\n"
831 "http://wiki.wireshark.org/KnownBugs/OutOfMemory",
832 simple_dialog_primary_start(), simple_dialog_primary_end(), cf->filename);
833 /* we have to terminate, as we cannot recover from the memory error */
834 simple_dialog_set_cb(dialog, outofmemory_cb, NULL);
836 main_window_update();
837 /* XXX - how to avoid a busy wait? */
840 #ifdef NEW_PACKET_LIST
841 new_packet_list_thaw();
845 return CF_READ_ABORTED;
851 /* Cleanup and release all dfilter resources */
853 dfilter_free(dfcode);
856 /*g_log(NULL, G_LOG_LEVEL_MESSAGE, "cf_continue_tail: count %u state: %u err: %u",
857 cf->count, cf->state, *err);*/
859 #ifdef NEW_PACKET_LIST
860 new_packet_list_thaw();
861 /* With the new packet list the first packet
862 * isn't automatically selected.
864 if(!cf->current_frame)
865 new_packet_list_select_first_row();
867 /* XXX - this causes "flickering" of the list */
871 /* moving to the end of the packet list - if the user requested so and
872 we have some new packets. */
873 if (newly_displayed_packets && auto_scroll_live && cf->plist_end != NULL)
874 #ifdef NEW_PACKET_LIST
876 new_packet_list_moveto_end();
878 /* this doesn't seem to work well with a frozen GTK_Clist, so do this after
879 packet_list_thaw() is done, see bugzilla 1188 */
880 /* XXX - this cheats and looks inside the packet list to find the final
882 packet_list_moveto_end();
883 #endif /* NEW_PACKET_LIST */
885 if (cf->state == FILE_READ_ABORTED) {
886 /* Well, the user decided to exit Wireshark. Return CF_READ_ABORTED
887 so that our caller can kill off the capture child process;
888 this will cause an EOF on the pipe from the child, so
889 "cf_finish_tail()" will be called, and it will clean up
891 return CF_READ_ABORTED;
892 } else if (*err != 0) {
893 /* We got an error reading the capture file.
894 XXX - pop up a dialog box instead? */
895 g_warning("Error \"%s\" while reading: \"%s\"\n",
896 wtap_strerror(*err), cf->filename);
898 return CF_READ_ERROR;
904 cf_finish_tail(capture_file *cf, int *err)
909 gboolean filtering_tap_listeners;
913 /* Compile the current display filter.
914 * We assume this will not fail since cf->dfilter is only set in
915 * cf_filter IFF the filter was valid.
917 compiled = dfilter_compile(cf->dfilter, &dfcode);
918 g_assert(!cf->dfilter || (compiled && dfcode));
920 /* Do we have any tap listeners with filters? */
921 filtering_tap_listeners = have_filtering_tap_listeners();
923 /* Get the union of the flags for all tap listeners. */
924 tap_flags = union_of_tap_listener_flags();
926 if(cf->wth == NULL) {
928 return CF_READ_ERROR;
931 #ifdef NEW_PACKET_LIST
932 new_packet_list_check_end();
933 new_packet_list_freeze();
935 packet_list_check_end();
936 packet_list_freeze();
939 while ((wtap_read(cf->wth, err, &err_info, &data_offset))) {
940 if (cf->state == FILE_READ_ABORTED) {
941 /* Well, the user decided to abort the read. Break out of the
942 loop, and let the code below (which is called even if there
943 aren't any packets left to read) exit. */
946 read_packet(cf, dfcode, filtering_tap_listeners, tap_flags, data_offset);
949 /* Cleanup and release all dfilter resources */
951 dfilter_free(dfcode);
954 #ifdef NEW_PACKET_LIST
955 new_packet_list_thaw();
960 if (cf->state == FILE_READ_ABORTED) {
961 /* Well, the user decided to abort the read. We're only called
962 when the child capture process closes the pipe to us (meaning
963 it's probably exited), so we can just close the capture
964 file; we return CF_READ_ABORTED so our caller can do whatever
965 is appropriate when that happens. */
967 return CF_READ_ABORTED;
970 if (auto_scroll_live && cf->plist_end != NULL)
971 #ifdef NEW_PACKET_LIST
972 new_packet_list_moveto_end();
974 /* XXX - this cheats and looks inside the packet list to find the final
976 packet_list_moveto_end();
979 /* We're done reading sequentially through the file. */
980 cf->state = FILE_READ_DONE;
982 /* We're done reading sequentially through the file; close the
983 sequential I/O side, to free up memory it requires. */
984 wtap_sequential_close(cf->wth);
986 /* Allow the protocol dissectors to free up memory that they
987 * don't need after the sequential run-through of the packets. */
988 postseq_cleanup_all_protocols();
990 /* Set the file encapsulation type now; we don't know what it is until
991 we've looked at all the packets, as we don't know until then whether
992 there's more than one type (and thus whether it's
993 WTAP_ENCAP_PER_PACKET). */
994 cf->lnk_t = wtap_file_encap(cf->wth);
997 /* We got an error reading the capture file.
998 XXX - pop up a dialog box? */
999 return CF_READ_ERROR;
1004 #endif /* HAVE_LIBPCAP */
1007 cf_get_display_name(capture_file *cf)
1009 const gchar *displayname;
1011 /* Return a name to use in displays */
1012 if (!cf->is_tempfile) {
1013 /* Get the last component of the file name, and use that. */
1015 displayname = get_basename(cf->filename);
1017 displayname="(No file)";
1020 /* The file we read is a temporary file from a live capture;
1021 we don't mention its name. */
1022 displayname = "(Untitled)";
1027 /* XXX - use a macro instead? */
1029 cf_get_packet_count(capture_file *cf)
1034 /* XXX - use a macro instead? */
1036 cf_set_packet_count(capture_file *cf, int packet_count)
1038 cf->count = packet_count;
1041 /* XXX - use a macro instead? */
1043 cf_is_tempfile(capture_file *cf)
1045 return cf->is_tempfile;
1048 void cf_set_tempfile(capture_file *cf, gboolean is_tempfile)
1050 cf->is_tempfile = is_tempfile;
1054 /* XXX - use a macro instead? */
1055 void cf_set_drops_known(capture_file *cf, gboolean drops_known)
1057 cf->drops_known = drops_known;
1060 /* XXX - use a macro instead? */
1061 void cf_set_drops(capture_file *cf, guint32 drops)
1066 /* XXX - use a macro instead? */
1067 gboolean cf_get_drops_known(capture_file *cf)
1069 return cf->drops_known;
1072 /* XXX - use a macro instead? */
1073 guint32 cf_get_drops(capture_file *cf)
1078 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode)
1080 cf->rfcode = rfcode;
1083 #ifdef NEW_PACKET_LIST
1085 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1086 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1088 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1090 gboolean add_to_packet_list)
1092 gboolean create_proto_tree = FALSE;
1097 cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
1099 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1100 &first_ts, &prev_dis_ts, &prev_cap_ts);
1103 + we have a display filter and are re-applying it;
1104 + we have tap listeners with filters;
1105 + we have tap listeners that require a protocol tree;
1107 allocate a protocol tree root node, so that we'll construct
1108 a protocol tree against which a filter expression can be
1110 if ((dfcode != NULL && refilter) ||
1111 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1112 create_proto_tree = TRUE;
1114 /* Dissect the frame. */
1115 epan_dissect_init(&edt, create_proto_tree, FALSE);
1117 if (dfcode != NULL && refilter) {
1118 epan_dissect_prime_dfilter(&edt, dfcode);
1121 tap_queue_init(&edt);
1122 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1123 tap_push_tapped_queue(&edt);
1125 /* If we have a display filter, apply it if we're refiltering, otherwise
1126 leave the "passed_dfilter" flag alone.
1128 If we don't have a display filter, set "passed_dfilter" to 1. */
1129 if (dfcode != NULL) {
1131 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1134 fdata->flags.passed_dfilter = 1;
1136 if (add_to_packet_list) {
1137 /* We fill the needed columns from new_packet_list */
1138 row = new_packet_list_append(cinfo, fdata, &edt.pi);
1141 if(fdata->flags.passed_dfilter || fdata->flags.ref_time)
1143 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1145 /* If we haven't yet seen the first frame, this is it.
1147 XXX - we must do this before we add the row to the display,
1148 as, if the display's GtkCList's selection mode is
1149 GTK_SELECTION_BROWSE, when the first entry is added to it,
1150 "cf_select_packet()" will be called, and it will fetch the row
1151 data for the 0th row, and will get a null pointer rather than
1152 "fdata", as "gtk_clist_append()" won't yet have returned and
1153 thus "gtk_clist_set_row_data()" won't yet have been called.
1155 We thus need to leave behind bread crumbs so that
1156 "cf_select_packet()" can find this frame. See the comment
1157 in "cf_select_packet()". */
1158 if (cf->first_displayed == NULL)
1159 cf->first_displayed = fdata;
1161 /* This is the last frame we've seen so far. */
1162 cf->last_displayed = fdata;
1164 cf->displayed_count++;
1167 epan_dissect_cleanup(&edt);
1174 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1175 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1177 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1179 gboolean add_to_packet_list _U_)
1181 gboolean create_proto_tree = FALSE;
1188 /* just add some value here until we know if it is being displayed or not */
1189 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
1191 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1192 &first_ts, &prev_dis_ts, &prev_cap_ts);
1196 we have a display filter and are re-applying it;
1198 we have a list of color filters;
1200 we have tap listeners with filters;
1202 we have tap listeners that require a protocol tree;
1204 we have custom columns;
1206 allocate a protocol tree root node, so that we'll construct
1207 a protocol tree against which a filter expression can be
1209 if ((dfcode != NULL && refilter) ||
1210 color_filters_used() ||
1211 have_custom_cols(cinfo) ||
1212 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1213 create_proto_tree = TRUE;
1215 /* Dissect the frame. */
1216 epan_dissect_init(&edt, create_proto_tree, FALSE);
1218 if (dfcode != NULL && refilter) {
1219 epan_dissect_prime_dfilter(&edt, dfcode);
1222 /* prepare color filters */
1223 color_filters_prime_edt(&edt);
1224 col_custom_prime_edt(&edt, cinfo);
1226 tap_queue_init(&edt);
1227 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1228 tap_push_tapped_queue(&edt);
1230 /* If we have a display filter, apply it if we're refiltering, otherwise
1231 leave the "passed_dfilter" flag alone.
1233 If we don't have a display filter, set "passed_dfilter" to 1. */
1234 if (dfcode != NULL) {
1236 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1239 fdata->flags.passed_dfilter = 1;
1241 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) )
1243 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1245 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
1247 /* If we haven't yet seen the first frame, this is it.
1249 XXX - we must do this before we add the row to the display,
1250 as, if the display's GtkCList's selection mode is
1251 GTK_SELECTION_BROWSE, when the first entry is added to it,
1252 "cf_select_packet()" will be called, and it will fetch the row
1253 data for the 0th row, and will get a null pointer rather than
1254 "fdata", as "gtk_clist_append()" won't yet have returned and
1255 thus "gtk_clist_set_row_data()" won't yet have been called.
1257 We thus need to leave behind bread crumbs so that
1258 "cf_select_packet()" can find this frame. See the comment
1259 in "cf_select_packet()". */
1260 if (cf->first_displayed == NULL)
1261 cf->first_displayed = fdata;
1263 /* This is the last frame we've seen so far. */
1264 cf->last_displayed = fdata;
1266 row = packet_list_append(cinfo->col_data, fdata);
1268 /* colorize packet: first apply color filters
1269 * then if packet is marked, use preferences to overwrite color
1270 * we do both to make sure that when a packet gets un-marked, the
1271 * color will be correctly set (fixes bug 2038)
1273 fdata->color_filter = color_filters_colorize_packet(row, &edt);
1274 if (fdata->flags.marked) {
1275 packet_list_set_colors(row, &prefs.gui_marked_fg, &prefs.gui_marked_bg);
1277 if (fdata->flags.ignored) {
1278 packet_list_set_colors(row, &prefs.gui_ignored_fg, &prefs.gui_ignored_bg);
1281 cf->displayed_count++;
1284 epan_dissect_cleanup(&edt);
1289 /* read in a new packet */
1290 /* returns the row of the new packet in the packet list or -1 if not displayed */
1292 read_packet(capture_file *cf, dfilter_t *dfcode,
1293 gboolean filtering_tap_listeners, guint tap_flags, gint64 offset)
1295 const struct wtap_pkthdr *phdr = wtap_phdr(cf->wth);
1296 union wtap_pseudo_header *pseudo_header = wtap_pseudoheader(cf->wth);
1297 const guchar *buf = wtap_buf_ptr(cf->wth);
1304 /* Allocate the next list entry, and add it to the list.
1305 * memory chunks have been deprecated in favor of the slice allocator,
1306 * which has been added in 2.10
1308 #if GLIB_CHECK_VERSION(2,10,0)
1309 fdata = g_slice_new(frame_data);
1311 fdata = g_mem_chunk_alloc(cf->plist_chunk);
1314 frame_data_init(fdata, cf->count, phdr, offset, cum_bytes);
1316 #ifdef NEW_PACKET_LIST
1317 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1318 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1324 epan_dissect_init(&edt, TRUE, FALSE);
1325 epan_dissect_prime_dfilter(&edt, cf->rfcode);
1326 epan_dissect_run(&edt, pseudo_header, buf, fdata, NULL);
1327 passed = dfilter_apply_edt(cf->rfcode, &edt);
1328 epan_dissect_cleanup(&edt);
1332 cap_file_add_fdata(cf, fdata);
1334 cf->f_datalen = offset + fdata->cap_len;
1336 if (!cf->redissecting) {
1337 row = add_packet_to_packet_list(fdata, cf, dfcode,
1338 filtering_tap_listeners, tap_flags,
1339 pseudo_header, buf, TRUE, TRUE);
1342 /* We didn't pass read filter so roll back count */
1345 /* XXX - if we didn't have read filters, or if we could avoid
1346 allocating the "frame_data" structure until we knew whether
1347 the frame passed the read filter, we could use a G_ALLOC_ONLY
1350 ...but, at least in one test I did, where I just made the chunk
1351 a G_ALLOC_ONLY chunk and read in a huge capture file, it didn't
1352 seem to save a noticeable amount of time or space. */
1353 #if GLIB_CHECK_VERSION(2,10,0)
1354 /* memory chunks have been deprecated in favor of the slice allocator,
1355 * which has been added in 2.10
1357 g_slice_free(frame_data,fdata);
1359 g_mem_chunk_free(cf->plist_chunk, fdata);
1367 cf_merge_files(char **out_filenamep, int in_file_count,
1368 char *const *in_filenames, int file_type, gboolean do_append)
1370 merge_in_file_t *in_files;
1376 int open_err, read_err, write_err, close_err;
1380 char errmsg_errno[1024+1];
1382 gboolean got_read_error = FALSE, got_write_error = FALSE;
1384 progdlg_t *progbar = NULL;
1386 gint64 f_len, file_pos;
1388 GTimeVal start_time;
1389 gchar status_str[100];
1390 gint64 progbar_nextstep;
1391 gint64 progbar_quantum;
1393 /* open the input files */
1394 if (!merge_open_in_files(in_file_count, in_filenames, &in_files,
1395 &open_err, &err_info, &err_fileno)) {
1397 cf_open_failure_alert_box(in_filenames[err_fileno], open_err, err_info,
1402 if (*out_filenamep != NULL) {
1403 out_filename = *out_filenamep;
1404 out_fd = ws_open(out_filename, O_CREAT|O_TRUNC|O_BINARY, 0600);
1408 out_fd = create_tempfile(&tmpname, "wireshark");
1411 out_filename = g_strdup(tmpname);
1412 *out_filenamep = out_filename;
1416 merge_close_in_files(in_file_count, in_files);
1418 cf_open_failure_alert_box(out_filename, open_err, NULL, TRUE, file_type);
1422 pdh = wtap_dump_fdopen(out_fd, file_type,
1423 merge_select_frame_type(in_file_count, in_files),
1424 merge_max_snapshot_length(in_file_count, in_files),
1425 FALSE /* compressed */, &open_err);
1428 merge_close_in_files(in_file_count, in_files);
1430 cf_open_failure_alert_box(out_filename, open_err, err_info, TRUE,
1435 /* Get the sum of the sizes of all the files. */
1437 for (i = 0; i < in_file_count; i++)
1438 f_len += in_files[i].size;
1440 /* Update the progress bar when it gets to this value. */
1441 progbar_nextstep = 0;
1442 /* When we reach the value that triggers a progress bar update,
1443 bump that value by this amount. */
1444 progbar_quantum = f_len/N_PROGBAR_UPDATES;
1445 /* Progress so far. */
1449 g_get_current_time(&start_time);
1451 /* do the merge (or append) */
1454 wth = merge_append_read_packet(in_file_count, in_files, &read_err,
1457 wth = merge_read_packet(in_file_count, in_files, &read_err,
1461 got_read_error = TRUE;
1465 /* Get the sum of the data offsets in all of the files. */
1467 for (i = 0; i < in_file_count; i++)
1468 data_offset += in_files[i].data_offset;
1470 /* Create the progress bar if necessary.
1471 We check on every iteration of the loop, so that it takes no
1472 longer than the standard time to create it (otherwise, for a
1473 large file, we might take considerably longer than that standard
1474 time in order to get to the next progress bar step). */
1475 if (progbar == NULL) {
1476 progbar = delayed_create_progress_dlg("Merging", "files",
1477 FALSE, &stop_flag, &start_time, progbar_val);
1480 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1481 when we update it, we have to run the GTK+ main loop to get it
1482 to repaint what's pending, and doing so may involve an "ioctl()"
1483 to see if there's any pending input from an X server, and doing
1484 that for every packet can be costly, especially on a big file. */
1485 if (data_offset >= progbar_nextstep) {
1486 /* Get the sum of the seek positions in all of the files. */
1488 for (i = 0; i < in_file_count; i++)
1489 file_pos += wtap_read_so_far(in_files[i].wth, NULL);
1490 progbar_val = (gfloat) file_pos / (gfloat) f_len;
1491 if (progbar_val > 1.0f) {
1492 /* Some file probably grew while we were reading it.
1493 That "shouldn't happen", so we'll just clip the progress
1497 if (progbar != NULL) {
1498 g_snprintf(status_str, sizeof(status_str),
1499 "%" G_GINT64_MODIFIER "dKB of %" G_GINT64_MODIFIER "dKB",
1500 file_pos / 1024, f_len / 1024);
1501 update_progress_dlg(progbar, progbar_val, status_str);
1503 progbar_nextstep += progbar_quantum;
1507 /* Well, the user decided to abort the merge. */
1511 if (!wtap_dump(pdh, wtap_phdr(wth), wtap_pseudoheader(wth),
1512 wtap_buf_ptr(wth), &write_err)) {
1513 got_write_error = TRUE;
1518 /* We're done merging the files; destroy the progress bar if it was created. */
1519 if (progbar != NULL)
1520 destroy_progress_dlg(progbar);
1522 merge_close_in_files(in_file_count, in_files);
1523 if (!got_read_error && !got_write_error) {
1524 if (!wtap_dump_close(pdh, &write_err))
1525 got_write_error = TRUE;
1527 wtap_dump_close(pdh, &close_err);
1529 if (got_read_error) {
1531 * Find the file on which we got the error, and report the error.
1533 for (i = 0; i < in_file_count; i++) {
1534 if (in_files[i].state == GOT_ERROR) {
1535 /* Put up a message box noting that a read failed somewhere along
1539 case WTAP_ERR_UNSUPPORTED_ENCAP:
1540 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1541 "The capture file %%s has a packet with a network type that Wireshark doesn't support.\n(%s)",
1544 errmsg = errmsg_errno;
1547 case WTAP_ERR_CANT_READ:
1548 errmsg = "An attempt to read from the capture file %s failed for"
1549 " some unknown reason.";
1552 case WTAP_ERR_SHORT_READ:
1553 errmsg = "The capture file %s appears to have been cut short"
1554 " in the middle of a packet.";
1557 case WTAP_ERR_BAD_RECORD:
1558 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1559 "The capture file %%s appears to be damaged or corrupt.\n(%s)",
1562 errmsg = errmsg_errno;
1566 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1567 "An error occurred while reading the"
1568 " capture file %%s: %s.", wtap_strerror(read_err));
1569 errmsg = errmsg_errno;
1572 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, errmsg, in_files[i].filename);
1577 if (got_write_error) {
1578 /* Put up an alert box for the write error. */
1579 cf_write_failure_alert_box(out_filename, write_err);
1582 if (got_read_error || got_write_error || stop_flag) {
1583 /* Callers aren't expected to treat an error or an explicit abort
1584 differently - we put up error dialogs ourselves, so they don't
1592 cf_filter_packets(capture_file *cf, gchar *dftext, gboolean force)
1594 const char *filter_new = dftext ? dftext : "";
1595 const char *filter_old = cf->dfilter ? cf->dfilter : "";
1598 /* if new filter equals old one, do nothing unless told to do so */
1599 if (!force && strcmp(filter_new, filter_old) == 0) {
1605 if (dftext == NULL) {
1606 /* The new filter is an empty filter (i.e., display all packets).
1607 * so leave dfcode==NULL
1611 * We have a filter; make a copy of it (as we'll be saving it),
1612 * and try to compile it.
1614 dftext = g_strdup(dftext);
1615 if (!dfilter_compile(dftext, &dfcode)) {
1616 /* The attempt failed; report an error. */
1617 gchar *safe_dftext = simple_dialog_format_message(dftext);
1618 gchar *safe_dfilter_error_msg = simple_dialog_format_message(
1620 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1623 "The following display filter isn't a valid display filter:\n%s\n"
1624 "See the help for a description of the display filter syntax.",
1625 simple_dialog_primary_start(), safe_dfilter_error_msg,
1626 simple_dialog_primary_end(), safe_dftext);
1627 g_free(safe_dfilter_error_msg);
1628 g_free(safe_dftext);
1634 if (dfcode == NULL) {
1635 /* Yes - free the filter text, and set it to null. */
1641 /* We have a valid filter. Replace the current filter. */
1642 g_free(cf->dfilter);
1643 cf->dfilter = dftext;
1645 /* Now rescan the packet list, applying the new filter, but not
1646 throwing away information constructed on a previous pass. */
1647 if (dftext == NULL) {
1648 rescan_packets(cf, "Resetting", "Filter", TRUE, FALSE);
1650 rescan_packets(cf, "Filtering", dftext, TRUE, FALSE);
1653 /* Cleanup and release all dfilter resources */
1654 dfilter_free(dfcode);
1660 cf_colorize_packets(capture_file *cf)
1662 rescan_packets(cf, "Colorizing", "all packets", FALSE, FALSE);
1666 cf_reftime_packets(capture_file *cf)
1669 #ifdef NEW_PACKET_LIST
1670 ref_time_packets(cf);
1672 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1677 cf_redissect_packets(capture_file *cf)
1679 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1682 /* Rescan the list of packets, reconstructing the CList.
1684 "action" describes why we're doing this; it's used in the progress
1687 "action_item" describes what we're doing; it's used in the progress
1690 "refilter" is TRUE if we need to re-evaluate the filter expression.
1692 "redissect" is TRUE if we need to make the dissectors reconstruct
1693 any state information they have (because a preference that affects
1694 some dissector has changed, meaning some dissector might construct
1695 its state differently from the way it was constructed the last time). */
1696 #ifdef NEW_PACKET_LIST
1698 rescan_packets(capture_file *cf, const char *action, const char *action_item,
1699 gboolean refilter, gboolean redissect)
1701 /* Rescan packets new packet list */
1703 progdlg_t *progbar = NULL;
1708 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
1709 int selected_frame_num, preceding_frame_num, following_frame_num, prev_frame_num;
1710 gboolean selected_frame_seen;
1713 GTimeVal start_time;
1714 gchar status_str[100];
1715 int progbar_nextstep;
1716 int progbar_quantum;
1718 gboolean filtering_tap_listeners;
1720 gboolean add_to_packet_list = FALSE;
1723 /* Compile the current display filter.
1724 * We assume this will not fail since cf->dfilter is only set in
1725 * cf_filter IFF the filter was valid.
1727 compiled = dfilter_compile(cf->dfilter, &dfcode);
1728 g_assert(!cf->dfilter || (compiled && dfcode));
1730 /* Do we have any tap listeners with filters? */
1731 filtering_tap_listeners = have_filtering_tap_listeners();
1733 /* Get the union of the flags for all tap listeners. */
1734 tap_flags = union_of_tap_listener_flags();
1736 reset_tap_listeners();
1737 /* Which frame, if any, is the currently selected frame?
1738 XXX - should the selected frame or the focus frame be the "current"
1739 frame, that frame being the one from which "Find Frame" searches
1741 selected_frame = cf->current_frame;
1743 /* Mark frane num as not found */
1744 selected_frame_num = -1;
1746 /* Freeze the packet list while we redo it, so we don't get any
1747 screen updates while it happens. */
1748 new_packet_list_freeze();
1751 /* We need to re-initialize all the state information that protocols
1752 keep, because some preference that controls a dissector has changed,
1753 which might cause the state information to be constructed differently
1754 by that dissector. */
1756 /* We might receive new packets while redissecting, and we don't
1757 want to dissect those before their time. */
1758 cf->redissecting = TRUE;
1760 /* Cleanup all data structures used for dissection. */
1761 cleanup_dissection();
1762 /* Initialize all data structures used for dissection. */
1765 /* We need to redissect the packets so we have to discard our old
1766 * packet list store. */
1767 new_packet_list_clear();
1768 add_to_packet_list = TRUE;
1771 /* We don't yet know which will be the first and last frames displayed. */
1772 cf->first_displayed = NULL;
1773 cf->last_displayed = NULL;
1777 /* We currently don't display any packets */
1778 cf->displayed_count = 0;
1780 /* Iterate through the list of frames. Call a routine for each frame
1781 to check whether it should be displayed and, if so, add it to
1782 the display list. */
1783 nstime_set_unset(&first_ts);
1784 nstime_set_unset(&prev_dis_ts);
1785 nstime_set_unset(&prev_cap_ts);
1788 /* Update the progress bar when it gets to this value. */
1789 progbar_nextstep = 0;
1790 /* When we reach the value that triggers a progress bar update,
1791 bump that value by this amount. */
1792 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
1793 /* Count of packets at which we've looked. */
1795 /* Progress so far. */
1799 g_get_current_time(&start_time);
1801 /* no previous row yet */
1803 prev_frame_num = -1;
1806 preceding_frame_num = -1;
1807 preceding_frame = NULL;
1808 following_frame_num = -1;
1809 following_frame = NULL;
1811 selected_frame_seen = FALSE;
1813 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
1814 /* Create the progress bar if necessary.
1815 We check on every iteration of the loop, so that it takes no
1816 longer than the standard time to create it (otherwise, for a
1817 large file, we might take considerably longer than that standard
1818 time in order to get to the next progress bar step). */
1819 if (progbar == NULL)
1820 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
1821 &stop_flag, &start_time,
1824 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1825 when we update it, we have to run the GTK+ main loop to get it
1826 to repaint what's pending, and doing so may involve an "ioctl()"
1827 to see if there's any pending input from an X server, and doing
1828 that for every packet can be costly, especially on a big file. */
1829 if (count >= progbar_nextstep) {
1830 /* let's not divide by zero. I should never be started
1831 * with count == 0, so let's assert that
1833 g_assert(cf->count > 0);
1834 progbar_val = (gfloat) count / cf->count;
1836 if (progbar != NULL) {
1837 g_snprintf(status_str, sizeof(status_str),
1838 "%4u of %u frames", count, cf->count);
1839 update_progress_dlg(progbar, progbar_val, status_str);
1842 progbar_nextstep += progbar_quantum;
1846 /* Well, the user decided to abort the filtering. Just stop.
1848 XXX - go back to the previous filter? Users probably just
1849 want not to wait for a filtering operation to finish;
1850 unless we cancel by having no filter, reverting to the
1851 previous filter will probably be even more expensive than
1852 continuing the filtering, as it involves going back to the
1853 beginning and filtering, and even with no filter we currently
1854 have to re-generate the entire clist, which is also expensive.
1856 I'm not sure what Network Monitor does, but it doesn't appear
1857 to give you an unfiltered display if you cancel. */
1864 /* Since all state for the frame was destroyed, mark the frame
1865 * as not visited, free the GSList referring to the state
1866 * data (the per-frame data itself was freed by
1867 * "init_dissection()"), and null out the GSList pointer. */
1868 fdata->flags.visited = 0;
1869 frame_data_cleanup(fdata);
1871 /* cleanup_dissection() calls se_free_all();
1872 * And after that fdata->col_text (which is allocated using se_alloc0())
1873 * no longer points to valid memory.
1875 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1876 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1879 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
1880 cf->pd, fdata->cap_len, &err, &err_info)) {
1881 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1882 cf_read_error_message(err, err_info), cf->filename);
1886 /* If the previous frame is displayed, and we haven't yet seen the
1887 selected frame, remember that frame - it's the closest one we've
1888 yet seen before the selected frame. */
1889 if (prev_frame_num != -1 && !selected_frame_seen && prev_frame->flags.passed_dfilter) {
1890 preceding_frame_num = prev_frame_num;
1891 preceding_frame = prev_frame;
1893 add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
1894 tap_flags, &cf->pseudo_header, cf->pd,
1896 add_to_packet_list);
1898 /* If this frame is displayed, and this is the first frame we've
1899 seen displayed after the selected frame, remember this frame -
1900 it's the closest one we've yet seen at or after the selected
1902 if (fdata->flags.passed_dfilter && selected_frame_seen && following_frame_num == -1) {
1903 following_frame_num = fdata->num;
1904 following_frame = fdata;
1906 if (fdata == selected_frame) {
1907 selected_frame_seen = TRUE;
1908 if (fdata->flags.passed_dfilter)
1909 selected_frame_num = fdata->num;
1912 /* Remember this frame - it'll be the previous frame
1913 on the next pass through the loop. */
1914 prev_frame_num = fdata->num;
1918 /* We are done redissecting the packet list. */
1919 cf->redissecting = FALSE;
1922 /* Clear out what remains of the visited flags and per-frame data
1925 XXX - that may cause various forms of bogosity when dissecting
1926 these frames, as they won't have been seen by this sequential
1927 pass, but the only alternative I see is to keep scanning them
1928 even though the user requested that the scan stop, and that
1929 would leave the user stuck with an Wireshark grinding on
1930 until it finishes. Should we just stick them with that? */
1931 for (; fdata != NULL; fdata = fdata->next) {
1932 fdata->flags.visited = 0;
1933 frame_data_cleanup(fdata);
1937 /* We're done filtering the packets; destroy the progress bar if it
1939 if (progbar != NULL)
1940 destroy_progress_dlg(progbar);
1942 /* Unfreeze the packet list. */
1943 if (!add_to_packet_list)
1944 new_packet_list_recreate_visible_rows();
1946 new_packet_list_thaw();
1948 if (selected_frame_num == -1) {
1949 /* The selected frame didn't pass the filter. */
1950 if (selected_frame == NULL) {
1951 /* That's because there *was* no selected frame. Make the first
1952 displayed frame the current frame. */
1953 selected_frame_num = 0;
1955 /* Find the nearest displayed frame to the selected frame (whether
1956 it's before or after that frame) and make that the current frame.
1957 If the next and previous displayed frames are equidistant from the
1958 selected frame, choose the next one. */
1959 g_assert(following_frame == NULL ||
1960 following_frame->num >= selected_frame->num);
1961 g_assert(preceding_frame == NULL ||
1962 preceding_frame->num <= selected_frame->num);
1963 if (following_frame == NULL) {
1964 /* No frame after the selected frame passed the filter, so we
1965 have to select the last displayed frame before the selected
1967 selected_frame_num = preceding_frame_num;
1968 selected_frame = preceding_frame;
1969 } else if (preceding_frame == NULL) {
1970 /* No frame before the selected frame passed the filter, so we
1971 have to select the first displayed frame after the selected
1973 selected_frame_num = following_frame_num;
1974 selected_frame = following_frame;
1976 /* Frames before and after the selected frame passed the filter, so
1977 we'll select the previous frame */
1978 selected_frame_num = preceding_frame_num;
1979 selected_frame = preceding_frame;
1984 if (selected_frame_num == -1) {
1985 /* There are no frames displayed at all. */
1986 cf_unselect_packet(cf);
1988 /* Either the frame that was selected passed the filter, or we've
1989 found the nearest displayed frame to that frame. Select it, make
1990 it the focus row, and make it visible. */
1991 /* Set to invalid to force update of packet list and packet details */
1992 cf->current_row = -1;
1993 if (selected_frame_num == 0) {
1994 new_packet_list_select_first_row();
1996 new_packet_list_find_row_from_data(selected_frame, TRUE);
2000 /* Cleanup and release all dfilter resources */
2001 dfilter_free(dfcode);
2007 rescan_packets(capture_file *cf, const char *action, const char *action_item,
2008 gboolean refilter, gboolean redissect)
2011 progdlg_t *progbar = NULL;
2016 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
2017 int selected_row, prev_row, preceding_row, following_row;
2018 gboolean selected_frame_seen;
2021 GTimeVal start_time;
2022 gchar status_str[100];
2023 int progbar_nextstep;
2024 int progbar_quantum;
2026 gboolean filtering_tap_listeners;
2028 gboolean add_to_packet_list = TRUE;
2031 /* Compile the current display filter.
2032 * We assume this will not fail since cf->dfilter is only set in
2033 * cf_filter IFF the filter was valid.
2035 compiled = dfilter_compile(cf->dfilter, &dfcode);
2036 g_assert(!cf->dfilter || (compiled && dfcode));
2038 /* Do we have any tap listeners with filters? */
2039 filtering_tap_listeners = have_filtering_tap_listeners();
2041 /* Get the union of the flags for all tap listeners. */
2042 tap_flags = union_of_tap_listener_flags();
2044 reset_tap_listeners();
2045 /* Which frame, if any, is the currently selected frame?
2046 XXX - should the selected frame or the focus frame be the "current"
2047 frame, that frame being the one from which "Find Frame" searches
2049 selected_frame = cf->current_frame;
2051 /* We don't yet know what row that frame will be on, if any, after we
2052 rebuild the clist, however. */
2055 /* Freeze the packet list while we redo it, so we don't get any
2056 screen updates while it happens. */
2057 packet_list_freeze();
2060 packet_list_clear();
2063 /* We need to re-initialize all the state information that protocols
2064 keep, because some preference that controls a dissector has changed,
2065 which might cause the state information to be constructed differently
2066 by that dissector. */
2068 /* We might receive new packets while redissecting, and we don't
2069 want to dissect those before their time. */
2070 cf->redissecting = TRUE;
2072 /* Cleanup all data structures used for dissection. */
2073 cleanup_dissection();
2074 /* Initialize all data structures used for dissection. */
2079 /* We don't yet know which will be the first and last frames displayed. */
2080 cf->first_displayed = NULL;
2081 cf->last_displayed = NULL;
2085 /* We currently don't display any packets */
2086 cf->displayed_count = 0;
2088 /* Iterate through the list of frames. Call a routine for each frame
2089 to check whether it should be displayed and, if so, add it to
2090 the display list. */
2091 nstime_set_unset(&first_ts);
2092 nstime_set_unset(&prev_dis_ts);
2093 nstime_set_unset(&prev_cap_ts);
2096 /* Update the progress bar when it gets to this value. */
2097 progbar_nextstep = 0;
2098 /* When we reach the value that triggers a progress bar update,
2099 bump that value by this amount. */
2100 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2101 /* Count of packets at which we've looked. */
2103 /* Progress so far. */
2107 g_get_current_time(&start_time);
2109 row = -1; /* no previous row yet */
2114 preceding_frame = NULL;
2116 following_frame = NULL;
2118 selected_frame_seen = FALSE;
2120 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2121 /* Create the progress bar if necessary.
2122 We check on every iteration of the loop, so that it takes no
2123 longer than the standard time to create it (otherwise, for a
2124 large file, we might take considerably longer than that standard
2125 time in order to get to the next progress bar step). */
2126 if (progbar == NULL)
2127 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
2128 &stop_flag, &start_time,
2131 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2132 when we update it, we have to run the GTK+ main loop to get it
2133 to repaint what's pending, and doing so may involve an "ioctl()"
2134 to see if there's any pending input from an X server, and doing
2135 that for every packet can be costly, especially on a big file. */
2136 if (count >= progbar_nextstep) {
2137 /* let's not divide by zero. I should never be started
2138 * with count == 0, so let's assert that
2140 g_assert(cf->count > 0);
2141 progbar_val = (gfloat) count / cf->count;
2143 if (progbar != NULL) {
2144 g_snprintf(status_str, sizeof(status_str),
2145 "%4u of %u frames", count, cf->count);
2146 update_progress_dlg(progbar, progbar_val, status_str);
2149 progbar_nextstep += progbar_quantum;
2153 /* Well, the user decided to abort the filtering. Just stop.
2155 XXX - go back to the previous filter? Users probably just
2156 want not to wait for a filtering operation to finish;
2157 unless we cancel by having no filter, reverting to the
2158 previous filter will probably be even more expensive than
2159 continuing the filtering, as it involves going back to the
2160 beginning and filtering, and even with no filter we currently
2161 have to re-generate the entire clist, which is also expensive.
2163 I'm not sure what Network Monitor does, but it doesn't appear
2164 to give you an unfiltered display if you cancel. */
2171 /* Since all state for the frame was destroyed, mark the frame
2172 * as not visited, free the GSList referring to the state
2173 * data (the per-frame data itself was freed by
2174 * "init_dissection()"), and null out the GSList pointer.
2176 fdata->flags.visited = 0;
2177 frame_data_cleanup(fdata);
2180 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
2181 cf->pd, fdata->cap_len, &err, &err_info)) {
2182 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2183 cf_read_error_message(err, err_info), cf->filename);
2187 /* If the previous frame is displayed, and we haven't yet seen the
2188 selected frame, remember that frame - it's the closest one we've
2189 yet seen before the selected frame. */
2190 if (prev_row != -1 && !selected_frame_seen) {
2191 preceding_row = prev_row;
2192 preceding_frame = prev_frame;
2194 row = add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
2195 tap_flags, &cf->pseudo_header, cf->pd,
2197 add_to_packet_list);
2199 /* If this frame is displayed, and this is the first frame we've
2200 seen displayed after the selected frame, remember this frame -
2201 it's the closest one we've yet seen at or after the selected
2203 if (row != -1 && selected_frame_seen && following_row == -1) {
2204 following_row = row;
2205 following_frame = fdata;
2207 if (fdata == selected_frame) {
2209 selected_frame_seen = TRUE;
2212 /* Remember this row/frame - it'll be the previous row/frame
2213 on the next pass through the loop. */
2218 /* We are done redissecting the packet list. */
2219 cf->redissecting = FALSE;
2222 /* Clear out what remains of the visited flags and per-frame data
2225 XXX - that may cause various forms of bogosity when dissecting
2226 these frames, as they won't have been seen by this sequential
2227 pass, but the only alternative I see is to keep scanning them
2228 even though the user requested that the scan stop, and that
2229 would leave the user stuck with an Wireshark grinding on
2230 until it finishes. Should we just stick them with that? */
2231 for (; fdata != NULL; fdata = fdata->next) {
2232 fdata->flags.visited = 0;
2233 frame_data_cleanup(fdata);
2237 /* We're done filtering the packets; destroy the progress bar if it
2239 if (progbar != NULL)
2240 destroy_progress_dlg(progbar);
2242 /* Unfreeze the packet list. */
2245 if (selected_row == -1) {
2246 /* The selected frame didn't pass the filter. */
2247 if (selected_frame == NULL) {
2248 /* That's because there *was* no selected frame. Make the first
2249 displayed frame the current frame. */
2252 /* Find the nearest displayed frame to the selected frame (whether
2253 it's before or after that frame) and make that the current frame.
2254 If the next and previous displayed frames are equidistant from the
2255 selected frame, choose the next one. */
2256 g_assert(following_frame == NULL ||
2257 following_frame->num >= selected_frame->num);
2258 g_assert(preceding_frame == NULL ||
2259 preceding_frame->num <= selected_frame->num);
2260 if (following_frame == NULL) {
2261 /* No frame after the selected frame passed the filter, so we
2262 have to select the last displayed frame before the selected
2264 selected_row = preceding_row;
2265 } else if (preceding_frame == NULL) {
2266 /* No frame before the selected frame passed the filter, so we
2267 have to select the first displayed frame after the selected
2269 selected_row = following_row;
2271 /* Frames before and after the selected frame passed the filter, so
2272 we'll select the previous frame */
2273 selected_row = preceding_row;
2278 if (selected_row == -1) {
2279 /* There are no frames displayed at all. */
2280 cf_unselect_packet(cf);
2282 /* Either the frame that was selected passed the filter, or we've
2283 found the nearest displayed frame to that frame. Select it, make
2284 it the focus row, and make it visible. */
2285 if (selected_row == 0) {
2286 /* Set to invalid to force update of packet list and packet details */
2287 cf->current_row = -1;
2289 packet_list_set_selected_row(selected_row);
2292 /* Cleanup and release all dfilter resources */
2293 dfilter_free(dfcode);
2295 #endif /* NEW_PACKET_LIST */
2298 * Scan trough all frame data and recalculate the ref time
2299 * without rereading the file.
2300 * XXX - do we need a progres bar or is this fast enough?
2302 #ifdef NEW_PACKET_LIST
2304 ref_time_packets(capture_file *cf)
2308 nstime_set_unset(&first_ts);
2309 nstime_set_unset(&prev_dis_ts);
2310 nstime_set_unset(&prev_cap_ts);
2313 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2314 /* just add some value here until we know if it is being displayed or not */
2315 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
2317 /* If we don't have the time stamp of the first packet in the
2318 capture, it's because this is the first packet. Save the time
2319 stamp of this packet as the time stamp of the first packet. */
2320 if (nstime_is_unset(&first_ts)) {
2321 first_ts = fdata->abs_ts;
2323 /* if this frames is marked as a reference time frame, reset
2324 firstsec and firstusec to this frame */
2325 if(fdata->flags.ref_time){
2326 first_ts = fdata->abs_ts;
2329 /* If we don't have the time stamp of the previous displayed packet,
2330 it's because this is the first displayed packet. Save the time
2331 stamp of this packet as the time stamp of the previous displayed
2333 if (nstime_is_unset(&prev_dis_ts)) {
2334 prev_dis_ts = fdata->abs_ts;
2337 /* Get the time elapsed between the first packet and this packet. */
2338 nstime_delta(&fdata->rel_ts, &fdata->abs_ts, &first_ts);
2340 /* If it's greater than the current elapsed time, set the elapsed time
2341 to it (we check for "greater than" so as not to be confused by
2342 time moving backwards). */
2343 if ((gint32)cf->elapsed_time.secs < fdata->rel_ts.secs
2344 || ((gint32)cf->elapsed_time.secs == fdata->rel_ts.secs && (gint32)cf->elapsed_time.nsecs < fdata->rel_ts.nsecs)) {
2345 cf->elapsed_time = fdata->rel_ts;
2348 /* Get the time elapsed between the previous displayed packet and
2350 nstime_delta(&fdata->del_dis_ts, &fdata->abs_ts, &prev_dis_ts);
2352 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) ){
2353 /* This frame either passed the display filter list or is marked as
2354 a time reference frame. All time reference frames are displayed
2355 even if they dont pass the display filter */
2356 if(fdata->flags.ref_time){
2357 /* if this was a TIME REF frame we should reset the cul bytes field */
2358 cum_bytes = fdata->pkt_len;
2359 fdata->cum_bytes = cum_bytes;
2361 /* increase cum_bytes with this packets length */
2362 cum_bytes += fdata->pkt_len;
2376 process_specified_packets(capture_file *cf, packet_range_t *range,
2377 const char *string1, const char *string2, gboolean terminate_is_stop,
2378 gboolean (*callback)(capture_file *, frame_data *,
2379 union wtap_pseudo_header *, const guint8 *, void *),
2380 void *callback_args)
2385 union wtap_pseudo_header pseudo_header;
2386 guint8 pd[WTAP_MAX_PACKET_SIZE+1];
2387 psp_return_t ret = PSP_FINISHED;
2389 progdlg_t *progbar = NULL;
2392 gboolean progbar_stop_flag;
2393 GTimeVal progbar_start_time;
2394 gchar progbar_status_str[100];
2395 int progbar_nextstep;
2396 int progbar_quantum;
2397 range_process_e process_this;
2399 /* Update the progress bar when it gets to this value. */
2400 progbar_nextstep = 0;
2401 /* When we reach the value that triggers a progress bar update,
2402 bump that value by this amount. */
2403 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2404 /* Count of packets at which we've looked. */
2406 /* Progress so far. */
2409 progbar_stop_flag = FALSE;
2410 g_get_current_time(&progbar_start_time);
2412 packet_range_process_init(range);
2414 /* Iterate through the list of packets, printing the packets that
2415 were selected by the current display filter. */
2416 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2417 /* Create the progress bar if necessary.
2418 We check on every iteration of the loop, so that it takes no
2419 longer than the standard time to create it (otherwise, for a
2420 large file, we might take considerably longer than that standard
2421 time in order to get to the next progress bar step). */
2422 if (progbar == NULL)
2423 progbar = delayed_create_progress_dlg(string1, string2,
2426 &progbar_start_time,
2429 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2430 when we update it, we have to run the GTK+ main loop to get it
2431 to repaint what's pending, and doing so may involve an "ioctl()"
2432 to see if there's any pending input from an X server, and doing
2433 that for every packet can be costly, especially on a big file. */
2434 if (progbar_count >= progbar_nextstep) {
2435 /* let's not divide by zero. I should never be started
2436 * with count == 0, so let's assert that
2438 g_assert(cf->count > 0);
2439 progbar_val = (gfloat) progbar_count / cf->count;
2441 if (progbar != NULL) {
2442 g_snprintf(progbar_status_str, sizeof(progbar_status_str),
2443 "%4u of %u packets", progbar_count, cf->count);
2444 update_progress_dlg(progbar, progbar_val, progbar_status_str);
2447 progbar_nextstep += progbar_quantum;
2450 if (progbar_stop_flag) {
2451 /* Well, the user decided to abort the operation. Just stop,
2452 and arrange to return PSP_STOPPED to our caller, so they know
2453 it was stopped explicitly. */
2460 /* do we have to process this packet? */
2461 process_this = packet_range_process_packet(range, fdata);
2462 if (process_this == range_process_next) {
2463 /* this packet uninteresting, continue with next one */
2465 } else if (process_this == range_processing_finished) {
2466 /* all interesting packets processed, stop the loop */
2470 /* Get the packet */
2471 if (!wtap_seek_read(cf->wth, fdata->file_off, &pseudo_header,
2472 pd, fdata->cap_len, &err, &err_info)) {
2473 /* Attempt to get the packet failed. */
2474 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2475 cf_read_error_message(err, err_info), cf->filename);
2479 /* Process the packet */
2480 if (!callback(cf, fdata, &pseudo_header, pd, callback_args)) {
2481 /* Callback failed. We assume it reported the error appropriately. */
2487 /* We're done printing the packets; destroy the progress bar if
2489 if (progbar != NULL)
2490 destroy_progress_dlg(progbar);
2496 gboolean construct_protocol_tree;
2498 } retap_callback_args_t;
2501 retap_packet(capture_file *cf _U_, frame_data *fdata,
2502 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2505 retap_callback_args_t *args = argsp;
2508 epan_dissect_init(&edt, args->construct_protocol_tree, FALSE);
2509 tap_queue_init(&edt);
2510 epan_dissect_run(&edt, pseudo_header, pd, fdata, args->cinfo);
2511 tap_push_tapped_queue(&edt);
2512 epan_dissect_cleanup(&edt);
2518 cf_retap_packets(capture_file *cf)
2520 packet_range_t range;
2521 retap_callback_args_t callback_args;
2522 gboolean filtering_tap_listeners;
2525 /* Do we have any tap listeners with filters? */
2526 filtering_tap_listeners = have_filtering_tap_listeners();
2528 tap_flags = union_of_tap_listener_flags();
2530 /* If any tap listeners have filters, or require the protocol tree,
2531 construct the protocol tree. */
2532 callback_args.construct_protocol_tree = filtering_tap_listeners ||
2533 (tap_flags & TL_REQUIRES_PROTO_TREE);
2535 /* If any tap listeners require the columns, construct them. */
2536 callback_args.cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
2538 /* Reset the tap listeners. */
2539 reset_tap_listeners();
2541 /* Iterate through the list of packets, dissecting all packets and
2542 re-running the taps. */
2543 packet_range_init(&range);
2544 packet_range_process_init(&range);
2545 switch (process_specified_packets(cf, &range, "Recalculating statistics on",
2546 "all packets", TRUE, retap_packet,
2549 /* Completed successfully. */
2553 /* Well, the user decided to abort the refiltering.
2554 Return CF_READ_ABORTED so our caller knows they did that. */
2555 return CF_READ_ABORTED;
2558 /* Error while retapping. */
2559 return CF_READ_ERROR;
2562 g_assert_not_reached();
2567 print_args_t *print_args;
2568 gboolean print_header_line;
2569 char *header_line_buf;
2570 int header_line_buf_len;
2571 gboolean print_formfeed;
2572 gboolean print_separator;
2576 } print_callback_args_t;
2579 print_packet(capture_file *cf, frame_data *fdata,
2580 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2583 print_callback_args_t *args = argsp;
2590 gboolean proto_tree_needed;
2591 char bookmark_name[9+10+1]; /* "__frameNNNNNNNNNN__\0" */
2592 char bookmark_title[6+10+1]; /* "Frame NNNNNNNNNN__\0" */
2594 /* Create the protocol tree, and make it visible, if we're printing
2595 the dissection or the hex data.
2596 XXX - do we need it if we're just printing the hex data? */
2598 args->print_args->print_dissections != print_dissections_none || args->print_args->print_hex || have_custom_cols(&cf->cinfo);
2599 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2601 /* Fill in the column information if we're printing the summary
2603 if (args->print_args->print_summary) {
2604 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2605 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2607 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2609 if (args->print_formfeed) {
2610 if (!new_page(args->print_args->stream))
2613 if (args->print_separator) {
2614 if (!print_line(args->print_args->stream, 0, ""))
2620 * We generate bookmarks, if the output format supports them.
2621 * The name is "__frameN__".
2623 g_snprintf(bookmark_name, sizeof bookmark_name, "__frame%u__", fdata->num);
2625 if (args->print_args->print_summary) {
2626 if (args->print_header_line) {
2627 if (!print_line(args->print_args->stream, 0, args->header_line_buf))
2629 args->print_header_line = FALSE; /* we might not need to print any more */
2631 cp = &args->line_buf[0];
2633 for (i = 0; i < cf->cinfo.num_cols; i++) {
2634 /* Find the length of the string for this column. */
2635 column_len = (int) strlen(cf->cinfo.col_data[i]);
2636 if (args->col_widths[i] > column_len)
2637 column_len = args->col_widths[i];
2639 /* Make sure there's room in the line buffer for the column; if not,
2640 double its length. */
2641 line_len += column_len + 1; /* "+1" for space */
2642 if (line_len > args->line_buf_len) {
2643 cp_off = (int) (cp - args->line_buf);
2644 args->line_buf_len = 2 * line_len;
2645 args->line_buf = g_realloc(args->line_buf, args->line_buf_len + 1);
2646 cp = args->line_buf + cp_off;
2649 /* Right-justify the packet number column. */
2650 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2651 g_snprintf(cp, column_len+1, "%*s", args->col_widths[i], cf->cinfo.col_data[i]);
2653 g_snprintf(cp, column_len+1, "%-*s", args->col_widths[i], cf->cinfo.col_data[i]);
2655 if (i != cf->cinfo.num_cols - 1)
2661 * Generate a bookmark, using the summary line as the title.
2663 if (!print_bookmark(args->print_args->stream, bookmark_name,
2667 if (!print_line(args->print_args->stream, 0, args->line_buf))
2671 * Generate a bookmark, using "Frame N" as the title, as we're not
2672 * printing the summary line.
2674 g_snprintf(bookmark_title, sizeof bookmark_title, "Frame %u", fdata->num);
2675 if (!print_bookmark(args->print_args->stream, bookmark_name,
2678 } /* if (print_summary) */
2680 if (args->print_args->print_dissections != print_dissections_none) {
2681 if (args->print_args->print_summary) {
2682 /* Separate the summary line from the tree with a blank line. */
2683 if (!print_line(args->print_args->stream, 0, ""))
2687 /* Print the information in that tree. */
2688 if (!proto_tree_print(args->print_args, &edt, args->print_args->stream))
2691 /* Print a blank line if we print anything after this (aka more than one packet). */
2692 args->print_separator = TRUE;
2694 /* Print a header line if we print any more packet summaries */
2695 args->print_header_line = TRUE;
2698 if (args->print_args->print_hex) {
2699 /* Print the full packet data as hex. */
2700 if (!print_hex_data(args->print_args->stream, &edt))
2703 /* Print a blank line if we print anything after this (aka more than one packet). */
2704 args->print_separator = TRUE;
2706 /* Print a header line if we print any more packet summaries */
2707 args->print_header_line = TRUE;
2708 } /* if (args->print_args->print_dissections != print_dissections_none) */
2710 epan_dissect_cleanup(&edt);
2712 /* do we want to have a formfeed between each packet from now on? */
2713 if(args->print_args->print_formfeed) {
2714 args->print_formfeed = TRUE;
2720 epan_dissect_cleanup(&edt);
2725 cf_print_packets(capture_file *cf, print_args_t *print_args)
2728 print_callback_args_t callback_args;
2736 callback_args.print_args = print_args;
2737 callback_args.print_header_line = TRUE;
2738 callback_args.header_line_buf = NULL;
2739 callback_args.header_line_buf_len = 256;
2740 callback_args.print_formfeed = FALSE;
2741 callback_args.print_separator = FALSE;
2742 callback_args.line_buf = NULL;
2743 callback_args.line_buf_len = 256;
2744 callback_args.col_widths = NULL;
2746 if (!print_preamble(print_args->stream, cf->filename)) {
2747 destroy_print_stream(print_args->stream);
2748 return CF_PRINT_WRITE_ERROR;
2751 if (print_args->print_summary) {
2752 /* We're printing packet summaries. Allocate the header line buffer
2753 and get the column widths. */
2754 callback_args.header_line_buf = g_malloc(callback_args.header_line_buf_len + 1);
2756 /* Find the widths for each of the columns - maximum of the
2757 width of the title and the width of the data - and construct
2758 a buffer with a line containing the column titles. */
2759 callback_args.col_widths = (gint *) g_malloc(sizeof(gint) * cf->cinfo.num_cols);
2760 cp = &callback_args.header_line_buf[0];
2762 for (i = 0; i < cf->cinfo.num_cols; i++) {
2763 /* Don't pad the last column. */
2764 if (i == cf->cinfo.num_cols - 1)
2765 callback_args.col_widths[i] = 0;
2767 callback_args.col_widths[i] = (gint) strlen(cf->cinfo.col_title[i]);
2768 data_width = get_column_char_width(get_column_format(i));
2769 if (data_width > callback_args.col_widths[i])
2770 callback_args.col_widths[i] = data_width;
2773 /* Find the length of the string for this column. */
2774 column_len = (int) strlen(cf->cinfo.col_title[i]);
2775 if (callback_args.col_widths[i] > column_len)
2776 column_len = callback_args.col_widths[i];
2778 /* Make sure there's room in the line buffer for the column; if not,
2779 double its length. */
2780 line_len += column_len + 1; /* "+1" for space */
2781 if (line_len > callback_args.header_line_buf_len) {
2782 cp_off = (int) (cp - callback_args.header_line_buf);
2783 callback_args.header_line_buf_len = 2 * line_len;
2784 callback_args.header_line_buf = g_realloc(callback_args.header_line_buf,
2785 callback_args.header_line_buf_len + 1);
2786 cp = callback_args.header_line_buf + cp_off;
2789 /* Right-justify the packet number column. */
2790 /* if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2791 g_snprintf(cp, column_len+1, "%*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2793 g_snprintf(cp, column_len+1, "%-*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2795 if (i != cf->cinfo.num_cols - 1)
2800 /* Now start out the main line buffer with the same length as the
2801 header line buffer. */
2802 callback_args.line_buf_len = callback_args.header_line_buf_len;
2803 callback_args.line_buf = g_malloc(callback_args.line_buf_len + 1);
2804 } /* if (print_summary) */
2806 /* Iterate through the list of packets, printing the packets we were
2808 ret = process_specified_packets(cf, &print_args->range, "Printing",
2809 "selected packets", TRUE, print_packet,
2812 g_free(callback_args.header_line_buf);
2813 g_free(callback_args.line_buf);
2814 g_free(callback_args.col_widths);
2819 /* Completed successfully. */
2823 /* Well, the user decided to abort the printing.
2825 XXX - note that what got generated before they did that
2826 will get printed if we're piping to a print program; we'd
2827 have to write to a file and then hand that to the print
2828 program to make it actually not print anything. */
2832 /* Error while printing.
2834 XXX - note that what got generated before they did that
2835 will get printed if we're piping to a print program; we'd
2836 have to write to a file and then hand that to the print
2837 program to make it actually not print anything. */
2838 destroy_print_stream(print_args->stream);
2839 return CF_PRINT_WRITE_ERROR;
2842 if (!print_finale(print_args->stream)) {
2843 destroy_print_stream(print_args->stream);
2844 return CF_PRINT_WRITE_ERROR;
2847 if (!destroy_print_stream(print_args->stream))
2848 return CF_PRINT_WRITE_ERROR;
2854 write_pdml_packet(capture_file *cf _U_, frame_data *fdata,
2855 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2861 /* Create the protocol tree, but don't fill in the column information. */
2862 epan_dissect_init(&edt, TRUE, TRUE);
2863 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2865 /* Write out the information in that tree. */
2866 proto_tree_write_pdml(&edt, fh);
2868 epan_dissect_cleanup(&edt);
2874 cf_write_pdml_packets(capture_file *cf, print_args_t *print_args)
2879 fh = ws_fopen(print_args->file, "w");
2881 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2883 write_pdml_preamble(fh);
2886 return CF_PRINT_WRITE_ERROR;
2889 /* Iterate through the list of packets, printing the packets we were
2891 ret = process_specified_packets(cf, &print_args->range, "Writing PDML",
2892 "selected packets", TRUE,
2893 write_pdml_packet, fh);
2898 /* Completed successfully. */
2902 /* Well, the user decided to abort the printing. */
2906 /* Error while printing. */
2908 return CF_PRINT_WRITE_ERROR;
2911 write_pdml_finale(fh);
2914 return CF_PRINT_WRITE_ERROR;
2917 /* XXX - check for an error */
2924 write_psml_packet(capture_file *cf, frame_data *fdata,
2925 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2930 gboolean proto_tree_needed;
2932 /* Fill in the column information, only create the protocol tree
2933 if having custom columns. */
2934 proto_tree_needed = have_custom_cols(&cf->cinfo);
2935 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2936 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2937 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2939 /* Write out the information in that tree. */
2940 proto_tree_write_psml(&edt, fh);
2942 epan_dissect_cleanup(&edt);
2948 cf_write_psml_packets(capture_file *cf, print_args_t *print_args)
2953 fh = ws_fopen(print_args->file, "w");
2955 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2957 write_psml_preamble(fh);
2960 return CF_PRINT_WRITE_ERROR;
2963 /* Iterate through the list of packets, printing the packets we were
2965 ret = process_specified_packets(cf, &print_args->range, "Writing PSML",
2966 "selected packets", TRUE,
2967 write_psml_packet, fh);
2972 /* Completed successfully. */
2976 /* Well, the user decided to abort the printing. */
2980 /* Error while printing. */
2982 return CF_PRINT_WRITE_ERROR;
2985 write_psml_finale(fh);
2988 return CF_PRINT_WRITE_ERROR;
2991 /* XXX - check for an error */
2998 write_csv_packet(capture_file *cf, frame_data *fdata,
2999 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
3004 gboolean proto_tree_needed;
3006 /* Fill in the column information, only create the protocol tree
3007 if having custom columns. */
3008 proto_tree_needed = have_custom_cols(&cf->cinfo);
3009 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
3010 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
3011 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
3013 /* Write out the information in that tree. */
3014 proto_tree_write_csv(&edt, fh);
3016 epan_dissect_cleanup(&edt);
3022 cf_write_csv_packets(capture_file *cf, print_args_t *print_args)
3027 fh = ws_fopen(print_args->file, "w");
3029 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3031 write_csv_preamble(fh);
3034 return CF_PRINT_WRITE_ERROR;
3037 /* Iterate through the list of packets, printing the packets we were
3039 ret = process_specified_packets(cf, &print_args->range, "Writing CSV",
3040 "selected packets", TRUE,
3041 write_csv_packet, fh);
3046 /* Completed successfully. */
3050 /* Well, the user decided to abort the printing. */
3054 /* Error while printing. */
3056 return CF_PRINT_WRITE_ERROR;
3059 write_csv_finale(fh);
3062 return CF_PRINT_WRITE_ERROR;
3065 /* XXX - check for an error */
3072 write_carrays_packet(capture_file *cf _U_, frame_data *fdata,
3073 union wtap_pseudo_header *pseudo_header _U_,
3074 const guint8 *pd, void *argsp)
3078 proto_tree_write_carrays(pd, fdata->cap_len, fdata->num, fh);
3083 cf_write_carrays_packets(capture_file *cf, print_args_t *print_args)
3088 fh = ws_fopen(print_args->file, "w");
3091 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3093 write_carrays_preamble(fh);
3097 return CF_PRINT_WRITE_ERROR;
3100 /* Iterate through the list of packets, printing the packets we were
3102 ret = process_specified_packets(cf, &print_args->range,
3104 "selected packets", TRUE,
3105 write_carrays_packet, fh);
3108 /* Completed successfully. */
3111 /* Well, the user decided to abort the printing. */
3114 /* Error while printing. */
3116 return CF_PRINT_WRITE_ERROR;
3119 write_carrays_finale(fh);
3123 return CF_PRINT_WRITE_ERROR;
3130 #ifndef NEW_PACKET_LIST /* This function is not needed with the new packet list */
3132 /* Scan through the packet list and change all columns that use the
3133 "command-line-specified" time stamp format to use the current
3134 value of that format. */
3136 cf_change_time_formats(capture_file *cf)
3140 progdlg_t *progbar = NULL;
3145 GTimeVal start_time;
3146 gchar status_str[100];
3147 int progbar_nextstep;
3148 int progbar_quantum;
3149 gboolean sorted_by_frame_column;
3151 /* Adjust timestamp precision if auto is selected */
3152 cf_timestamp_auto_precision(cf);
3154 /* Are there any columns with time stamps in the "command-line-specified"
3157 XXX - we have to force the "column is writable" flag on, as it
3158 might be off from the last frame that was dissected. */
3159 col_set_writable(&cf->cinfo, TRUE);
3160 if (!check_col(&cf->cinfo, COL_CLS_TIME) &&
3161 !check_col(&cf->cinfo, COL_ABS_TIME) &&
3162 !check_col(&cf->cinfo, COL_ABS_DATE_TIME) &&
3163 !check_col(&cf->cinfo, COL_REL_TIME) &&
3164 !check_col(&cf->cinfo, COL_DELTA_TIME) &&
3165 !check_col(&cf->cinfo, COL_DELTA_TIME_DIS)) {
3166 /* No, there aren't any columns in that format, so we have no work
3171 /* Freeze the packet list while we redo it, so we don't get any
3172 screen updates while it happens. */
3173 packet_list_freeze();
3175 /* Update the progress bar when it gets to this value. */
3176 progbar_nextstep = 0;
3177 /* When we reach the value that triggers a progress bar update,
3178 bump that value by this amount. */
3179 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3180 /* Count of packets at which we've looked. */
3182 /* Progress so far. */
3185 /* If the rows are currently sorted by the frame column then we know
3186 * the row number of each packet: it's the row number of the previously
3187 * displayed packet + 1.
3189 * Otherwise, if the display is sorted by a different column then we have
3190 * to use the O(N) packet_list_find_row_from_data() (thus making the job
3191 * of changing the time display format O(N**2)).
3193 * (XXX - In fact it's still O(N**2) because gtk_clist_set_text() takes
3194 * the row number and walks that many elements down the clist to find
3195 * the appropriate element.)
3197 sorted_by_frame_column = FALSE;
3198 for (i = 0; i < cf->cinfo.num_cols; i++) {
3199 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
3201 sorted_by_frame_column = (i == packet_list_get_sort_column());
3207 g_get_current_time(&start_time);
3209 /* Iterate through the list of packets, checking whether the packet
3210 is in a row of the summary list and, if so, whether there are
3211 any columns that show the time in the "command-line-specified"
3212 format and, if so, update that row. */
3213 for (fdata = cf->plist_start, row = -1; fdata != NULL; fdata = fdata->next) {
3214 /* Create the progress bar if necessary.
3215 We check on every iteration of the loop, so that it takes no
3216 longer than the standard time to create it (otherwise, for a
3217 large file, we might take considerably longer than that standard
3218 time in order to get to the next progress bar step). */
3219 if (progbar == NULL)
3220 progbar = delayed_create_progress_dlg("Changing", "time display",
3221 TRUE, &stop_flag, &start_time, progbar_val);
3223 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3224 when we update it, we have to run the GTK+ main loop to get it
3225 to repaint what's pending, and doing so may involve an "ioctl()"
3226 to see if there's any pending input from an X server, and doing
3227 that for every packet can be costly, especially on a big file. */
3228 if (count >= progbar_nextstep) {
3229 /* let's not divide by zero. I should never be started
3230 * with count == 0, so let's assert that
3232 g_assert(cf->count > 0);
3234 progbar_val = (gfloat) count / cf->count;
3236 if (progbar != NULL) {
3237 g_snprintf(status_str, sizeof(status_str),
3238 "%4u of %u packets", count, cf->count);
3239 update_progress_dlg(progbar, progbar_val, status_str);
3242 progbar_nextstep += progbar_quantum;
3246 /* Well, the user decided to abort the redisplay. Just stop.
3248 XXX - this leaves the time field in the old format in
3249 frames we haven't yet processed. So it goes; should we
3250 simply not offer them the option of stopping? */
3256 /* Find what row this packet is in. */
3257 if (!sorted_by_frame_column) {
3258 /* This function is O(N), so we try to avoid using it... */
3259 row = packet_list_find_row_from_data(fdata);
3261 /* ...which we do by maintaining a count of packets that are
3262 being displayed (i.e., that have passed the display filter),
3263 and using the current value of that count as the row number
3264 (which is why we can only do it when the display is sorted
3265 by the frame number). */
3266 if (fdata->flags.passed_dfilter)
3273 /* This packet is in the summary list, on row "row". */
3275 for (i = 0; i < cf->cinfo.num_cols; i++) {
3276 if (col_has_time_fmt(&cf->cinfo, i)) {
3277 /* This is one of the columns that shows the time in
3278 "command-line-specified" format; update it. */
3279 cf->cinfo.col_buf[i][0] = '\0';
3280 col_set_fmt_time(fdata, &cf->cinfo, cf->cinfo.col_fmt[i], i);
3281 packet_list_set_text(row, i, cf->cinfo.col_data[i]);
3287 /* We're done redisplaying the packets; destroy the progress bar if it
3289 if (progbar != NULL)
3290 destroy_progress_dlg(progbar);
3292 /* Set the column widths of those columns that show the time in
3293 "command-line-specified" format. */
3294 for (i = 0; i < cf->cinfo.num_cols; i++) {
3295 if (col_has_time_fmt(&cf->cinfo, i)) {
3296 packet_list_set_time_width(cf->cinfo.col_fmt[i], i);
3300 /* Unfreeze the packet list. */
3303 #endif /* NEW_PACKET_LIST */
3310 gboolean frame_matched;
3314 cf_find_packet_protocol_tree(capture_file *cf, const char *string)
3318 mdata.string = string;
3319 mdata.string_len = strlen(string);
3320 return find_packet(cf, match_protocol_tree, &mdata);
3324 match_protocol_tree(capture_file *cf, frame_data *fdata, void *criterion)
3326 match_data *mdata = criterion;
3329 /* Construct the protocol tree, including the displayed text */
3330 epan_dissect_init(&edt, TRUE, TRUE);
3331 /* We don't need the column information */
3332 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3334 /* Iterate through all the nodes, seeing if they have text that matches. */
3336 mdata->frame_matched = FALSE;
3337 proto_tree_children_foreach(edt.tree, match_subtree_text, mdata);
3338 epan_dissect_cleanup(&edt);
3339 return mdata->frame_matched;
3343 match_subtree_text(proto_node *node, gpointer data)
3345 match_data *mdata = (match_data*) data;
3346 const gchar *string = mdata->string;
3347 size_t string_len = mdata->string_len;
3348 capture_file *cf = mdata->cf;
3349 field_info *fi = PNODE_FINFO(node);
3350 gchar label_str[ITEM_LABEL_LENGTH];
3357 g_assert(fi && "dissection with an invisible proto tree?");
3359 if (mdata->frame_matched) {
3360 /* We already had a match; don't bother doing any more work. */
3364 /* Don't match invisible entries. */
3365 if (PROTO_ITEM_IS_HIDDEN(node))
3368 /* was a free format label produced? */
3370 label_ptr = fi->rep->representation;
3372 /* no, make a generic label */
3373 label_ptr = label_str;
3374 proto_item_fill_label(fi, label_str);
3377 /* Does that label match? */
3378 label_len = strlen(label_ptr);
3379 for (i = 0; i < label_len; i++) {
3380 c_char = label_ptr[i];
3382 c_char = toupper(c_char);
3383 if (c_char == string[c_match]) {
3385 if (c_match == string_len) {
3386 /* No need to look further; we have a match */
3387 mdata->frame_matched = TRUE;
3394 /* Recurse into the subtree, if it exists */
3395 if (node->first_child != NULL)
3396 proto_tree_children_foreach(node, match_subtree_text, mdata);
3400 cf_find_packet_summary_line(capture_file *cf, const char *string)
3404 mdata.string = string;
3405 mdata.string_len = strlen(string);
3406 return find_packet(cf, match_summary_line, &mdata);
3410 match_summary_line(capture_file *cf, frame_data *fdata, void *criterion)
3412 match_data *mdata = criterion;
3413 const gchar *string = mdata->string;
3414 size_t string_len = mdata->string_len;
3416 const char *info_column;
3417 size_t info_column_len;
3418 gboolean frame_matched = FALSE;
3424 /* Don't bother constructing the protocol tree */
3425 epan_dissect_init(&edt, FALSE, FALSE);
3426 /* Get the column information */
3427 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, &cf->cinfo);
3429 /* Find the Info column */
3430 for (colx = 0; colx < cf->cinfo.num_cols; colx++) {
3431 if (cf->cinfo.fmt_matx[colx][COL_INFO]) {
3432 /* Found it. See if we match. */
3433 info_column = edt.pi.cinfo->col_data[colx];
3434 info_column_len = strlen(info_column);
3435 for (i = 0; i < info_column_len; i++) {
3436 c_char = info_column[i];
3438 c_char = toupper(c_char);
3439 if (c_char == string[c_match]) {
3441 if (c_match == string_len) {
3442 frame_matched = TRUE;
3451 epan_dissect_cleanup(&edt);
3452 return frame_matched;
3458 } cbs_t; /* "Counted byte string" */
3461 cf_find_packet_data(capture_file *cf, const guint8 *string, size_t string_size)
3466 info.data_len = string_size;
3468 /* String or hex search? */
3470 /* String search - what type of string? */
3471 switch (cf->scs_type) {
3473 case SCS_ASCII_AND_UNICODE:
3474 return find_packet(cf, match_ascii_and_unicode, &info);
3477 return find_packet(cf, match_ascii, &info);
3480 return find_packet(cf, match_unicode, &info);
3483 g_assert_not_reached();
3487 return find_packet(cf, match_binary, &info);
3491 match_ascii_and_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3493 cbs_t *info = criterion;
3494 const guint8 *ascii_text = info->data;
3495 size_t textlen = info->data_len;
3496 gboolean frame_matched;
3502 frame_matched = FALSE;
3503 buf_len = fdata->pkt_len;
3504 for (i = 0; i < buf_len; i++) {
3507 c_char = toupper(c_char);
3509 if (c_char == ascii_text[c_match]) {
3511 if (c_match == textlen) {
3512 frame_matched = TRUE;
3513 cf->search_pos = i; /* Save the position of the last character
3514 for highlighting the field. */
3521 return frame_matched;
3525 match_ascii(capture_file *cf, frame_data *fdata, void *criterion)
3527 cbs_t *info = criterion;
3528 const guint8 *ascii_text = info->data;
3529 size_t textlen = info->data_len;
3530 gboolean frame_matched;
3536 frame_matched = FALSE;
3537 buf_len = fdata->pkt_len;
3538 for (i = 0; i < buf_len; i++) {
3541 c_char = toupper(c_char);
3542 if (c_char == ascii_text[c_match]) {
3544 if (c_match == textlen) {
3545 frame_matched = TRUE;
3546 cf->search_pos = i; /* Save the position of the last character
3547 for highlighting the field. */
3553 return frame_matched;
3557 match_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3559 cbs_t *info = criterion;
3560 const guint8 *ascii_text = info->data;
3561 size_t textlen = info->data_len;
3562 gboolean frame_matched;
3568 frame_matched = FALSE;
3569 buf_len = fdata->pkt_len;
3570 for (i = 0; i < buf_len; i++) {
3573 c_char = toupper(c_char);
3574 if (c_char == ascii_text[c_match]) {
3577 if (c_match == textlen) {
3578 frame_matched = TRUE;
3579 cf->search_pos = i; /* Save the position of the last character
3580 for highlighting the field. */
3586 return frame_matched;
3590 match_binary(capture_file *cf, frame_data *fdata, void *criterion)
3592 cbs_t *info = criterion;
3593 const guint8 *binary_data = info->data;
3594 size_t datalen = info->data_len;
3595 gboolean frame_matched;
3600 frame_matched = FALSE;
3601 buf_len = fdata->pkt_len;
3602 for (i = 0; i < buf_len; i++) {
3603 if (cf->pd[i] == binary_data[c_match]) {
3605 if (c_match == datalen) {
3606 frame_matched = TRUE;
3607 cf->search_pos = i; /* Save the position of the last character
3608 for highlighting the field. */
3614 return frame_matched;
3618 cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode)
3620 return find_packet(cf, match_dfilter, sfcode);
3624 match_dfilter(capture_file *cf, frame_data *fdata, void *criterion)
3626 dfilter_t *sfcode = criterion;
3628 gboolean frame_matched;
3630 epan_dissect_init(&edt, TRUE, FALSE);
3631 epan_dissect_prime_dfilter(&edt, sfcode);
3632 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3633 frame_matched = dfilter_apply_edt(sfcode, &edt);
3634 epan_dissect_cleanup(&edt);
3635 return frame_matched;
3639 find_packet(capture_file *cf,
3640 gboolean (*match_function)(capture_file *, frame_data *, void *),
3643 frame_data *start_fd;
3645 frame_data *new_fd = NULL;
3646 progdlg_t *progbar = NULL;
3653 GTimeVal start_time;
3654 gchar status_str[100];
3655 int progbar_nextstep;
3656 int progbar_quantum;
3659 start_fd = cf->current_frame;
3660 if (start_fd != NULL) {
3661 /* Iterate through the list of packets, starting at the packet we've
3662 picked, calling a routine to run the filter on the packet, see if
3663 it matches, and stop if so. */
3667 /* Update the progress bar when it gets to this value. */
3668 progbar_nextstep = 0;
3669 /* When we reach the value that triggers a progress bar update,
3670 bump that value by this amount. */
3671 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3672 /* Progress so far. */
3676 g_get_current_time(&start_time);
3679 title = cf->sfilter?cf->sfilter:"";
3681 /* Create the progress bar if necessary.
3682 We check on every iteration of the loop, so that it takes no
3683 longer than the standard time to create it (otherwise, for a
3684 large file, we might take considerably longer than that standard
3685 time in order to get to the next progress bar step). */
3686 if (progbar == NULL)
3687 progbar = delayed_create_progress_dlg("Searching", title,
3688 FALSE, &stop_flag, &start_time, progbar_val);
3690 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3691 when we update it, we have to run the GTK+ main loop to get it
3692 to repaint what's pending, and doing so may involve an "ioctl()"
3693 to see if there's any pending input from an X server, and doing
3694 that for every packet can be costly, especially on a big file. */
3695 if (count >= progbar_nextstep) {
3696 /* let's not divide by zero. I should never be started
3697 * with count == 0, so let's assert that
3699 g_assert(cf->count > 0);
3701 progbar_val = (gfloat) count / cf->count;
3703 if (progbar != NULL) {
3704 g_snprintf(status_str, sizeof(status_str),
3705 "%4u of %u packets", count, cf->count);
3706 update_progress_dlg(progbar, progbar_val, status_str);
3709 progbar_nextstep += progbar_quantum;
3713 /* Well, the user decided to abort the search. Go back to the
3714 frame where we started. */
3719 /* Go past the current frame. */
3720 if (cf->sbackward) {
3721 /* Go on to the previous frame. */
3722 fdata = fdata->prev;
3723 if (fdata == NULL) {
3725 * XXX - other apps have a bit more of a detailed message
3726 * for this, and instead of offering "OK" and "Cancel",
3727 * they offer things such as "Continue" and "Cancel";
3728 * we need an API for popping up alert boxes with
3729 * {Verb} and "Cancel".
3732 if (prefs.gui_find_wrap)
3734 simple_status("Search reached the beginning. Continuing at end.");
3735 fdata = cf->plist_end; /* wrap around */
3739 simple_status("Search reached the beginning.");
3740 fdata = start_fd; /* stay on previous packet */
3744 /* Go on to the next frame. */
3745 fdata = fdata->next;
3746 if (fdata == NULL) {
3747 if (prefs.gui_find_wrap)
3749 simple_status("Search reached the end. Continuing at beginning.");
3750 fdata = cf->plist_start; /* wrap around */
3754 simple_status("Search reached the end.");
3755 fdata = start_fd; /* stay on previous packet */
3762 /* Is this packet in the display? */
3763 if (fdata->flags.passed_dfilter) {
3764 /* Yes. Load its data. */
3765 if (!wtap_seek_read(cf->wth, fdata->file_off, &cf->pseudo_header,
3766 cf->pd, fdata->cap_len, &err, &err_info)) {
3767 /* Read error. Report the error, and go back to the frame
3768 where we started. */
3769 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
3770 cf_read_error_message(err, err_info), cf->filename);
3775 /* Does it match the search criterion? */
3776 if ((*match_function)(cf, fdata, criterion)) {
3778 break; /* found it! */
3782 if (fdata == start_fd) {
3783 /* We're back to the frame we were on originally, and that frame
3784 doesn't match the search filter. The search failed. */
3789 /* We're done scanning the packets; destroy the progress bar if it
3791 if (progbar != NULL)
3792 destroy_progress_dlg(progbar);
3795 if (new_fd != NULL) {
3796 #ifdef NEW_PACKET_LIST
3797 /* Find and select */
3798 row = new_packet_list_find_row_from_data(fdata, TRUE);
3800 /* We found a frame. Find what row it's in. */
3801 row = packet_list_find_row_from_data(new_fd);
3802 #endif /* NEW_PACKET_LIST */
3804 /* We didn't find a row even though we know that a frame
3805 * exists that satifies the search criteria. This means that the
3806 * frame isn't being displayed currently so we can't select it. */
3807 simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
3808 "%sEnd of capture exceeded!%s\n\n"
3809 "The capture file is probably not fully loaded.",
3810 simple_dialog_primary_start(), simple_dialog_primary_end());
3814 #ifndef NEW_PACKET_LIST
3815 /* Select that row, make it the focus row, and make it visible. */
3816 packet_list_set_selected_row(row);
3817 #endif /* NEW_PACKET_LIST */
3818 return TRUE; /* success */
3820 return FALSE; /* failure */
3824 cf_goto_frame(capture_file *cf, guint fnumber)
3829 for (fdata = cf->plist_start; fdata != NULL && fdata->num < fnumber; fdata = fdata->next)
3832 if (fdata == NULL) {
3833 /* we didn't find a packet with that packet number */
3834 simple_status("There is no packet number %u.", fnumber);
3835 return FALSE; /* we failed to go to that packet */
3837 if (!fdata->flags.passed_dfilter) {
3838 /* that packet currently isn't displayed */
3839 /* XXX - add it to the set of displayed packets? */
3840 simple_status("Packet number %u isn't displayed.", fnumber);
3841 return FALSE; /* we failed to go to that packet */
3844 #ifdef NEW_PACKET_LIST
3845 row = new_packet_list_find_row_from_data(fdata, TRUE);
3847 /* We found that packet, and it's currently being displayed.
3848 Find what row it's in. */
3849 row = packet_list_find_row_from_data(fdata);
3850 g_assert(row != -1);
3852 /* Select that row, make it the focus row, and make it visible. */
3853 packet_list_set_selected_row(row);
3854 #endif /* NEW_PACKET_LIST */
3855 return TRUE; /* we got to that packet */
3859 cf_goto_top_frame(capture_file *cf _U_)
3861 #ifdef NEW_PACKET_LIST
3862 /* Find and select */
3863 new_packet_list_select_first_row();
3867 frame_data *lowest_fdata = NULL;
3869 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3870 if (fdata->flags.passed_dfilter) {
3871 lowest_fdata = fdata;
3876 if (lowest_fdata == NULL) {
3880 /* We found that packet, and it's currently being displayed.
3881 Find what row it's in. */
3882 row = packet_list_find_row_from_data(lowest_fdata);
3883 g_assert(row != -1);
3885 /* Select that row, make it the focus row, and make it visible. */
3886 packet_list_set_selected_row(row);
3887 #endif /* NEW_PACKET_LIST */
3888 return TRUE; /* we got to that packet */
3892 cf_goto_bottom_frame(capture_file *cf _U_) /* cf is unused w/ NEW_PACKET_LIST */
3894 #ifdef NEW_PACKET_LIST
3895 /* Find and select */
3896 new_packet_list_select_last_row();
3900 frame_data *highest_fdata = NULL;
3902 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3903 if (fdata->flags.passed_dfilter) {
3904 highest_fdata = fdata;
3908 if (highest_fdata == NULL) {
3912 /* We found that packet, and it's currently being displayed.
3913 Find what row it's in. */
3914 row = packet_list_find_row_from_data(highest_fdata);
3915 g_assert(row != -1);
3917 /* Select that row, make it the focus row, and make it visible. */
3918 packet_list_set_selected_row(row);
3919 #endif /* NEW_PACKET_LIST */
3920 return TRUE; /* we got to that packet */
3924 * Go to frame specified by currently selected protocol tree item.
3927 cf_goto_framenum(capture_file *cf)
3929 header_field_info *hfinfo;
3932 if (cf->finfo_selected) {
3933 hfinfo = cf->finfo_selected->hfinfo;
3935 if (hfinfo->type == FT_FRAMENUM) {
3936 framenum = fvalue_get_uinteger(&cf->finfo_selected->value);
3938 return cf_goto_frame(cf, framenum);
3945 /* Select the packet on a given row. */
3947 cf_select_packet(capture_file *cf, int row)
3953 /* Get the frame data struct pointer for this frame */
3954 #ifdef NEW_PACKET_LIST
3955 fdata = new_packet_list_get_row_data(row);
3957 fdata = (frame_data *)packet_list_get_row_data(row);
3960 if (fdata == NULL) {
3961 /* XXX - if a GtkCList's selection mode is GTK_SELECTION_BROWSE, when
3962 the first entry is added to it by "real_insert_row()", that row
3963 is selected (see "real_insert_row()", in "gtk/gtkclist.c", in both
3964 our version and the vanilla GTK+ version).
3966 This means that a "select-row" signal is emitted; this causes
3967 "packet_list_select_cb()" to be called, which causes "cf_select_packet()"
3970 "cf_select_packet()" fetches, above, the data associated with the
3971 row that was selected; however, as "gtk_clist_append()", which
3972 called "real_insert_row()", hasn't yet returned, we haven't yet
3973 associated any data with that row, so we get back a null pointer.
3975 We can't assume that there's only one frame in the frame list,
3976 either, as we may be filtering the display.
3978 We therefore assume that, if "row" is 0, i.e. the first row
3979 is being selected, and "cf->first_displayed" equals
3980 "cf->last_displayed", i.e. there's only one frame being
3981 displayed, that frame is the frame we want.
3983 This means we have to set "cf->first_displayed" and
3984 "cf->last_displayed" before adding the row to the
3985 GtkCList; see the comment in "add_packet_to_packet_list()". */
3987 if (row == 0 && cf->first_displayed == cf->last_displayed)
3988 fdata = cf->first_displayed;
3991 /* If fdata _still_ isn't set simply give up. */
3992 if (fdata == NULL) {
3996 /* Get the data in that frame. */
3997 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
3998 cf->pd, fdata->cap_len, &err, &err_info)) {
3999 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4000 cf_read_error_message(err, err_info), cf->filename);
4004 /* Record that this frame is the current frame. */
4005 cf->current_frame = fdata;
4006 cf->current_row = row;
4008 /* Create the logical protocol tree. */
4009 if (cf->edt != NULL)
4010 epan_dissect_free(cf->edt);
4012 /* We don't need the columns here. */
4013 cf->edt = epan_dissect_new(TRUE, TRUE);
4015 tap_build_interesting(cf->edt);
4016 epan_dissect_run(cf->edt, &cf->pseudo_header, cf->pd, cf->current_frame,
4019 dfilter_macro_build_ftv_cache(cf->edt->tree);
4021 cf_callback_invoke(cf_cb_packet_selected, cf);
4024 /* Unselect the selected packet, if any. */
4026 cf_unselect_packet(capture_file *cf)
4028 /* Destroy the epan_dissect_t for the unselected packet. */
4029 if (cf->edt != NULL) {
4030 epan_dissect_free(cf->edt);
4034 /* No packet is selected. */
4035 cf->current_frame = NULL;
4036 cf->current_row = 0;
4038 cf_callback_invoke(cf_cb_packet_unselected, cf);
4040 /* No protocol tree means no selected field. */
4041 cf_unselect_field(cf);
4044 /* Unset the selected protocol tree field, if any. */
4046 cf_unselect_field(capture_file *cf)
4048 cf->finfo_selected = NULL;
4050 cf_callback_invoke(cf_cb_field_unselected, cf);
4054 * Mark a particular frame.
4057 cf_mark_frame(capture_file *cf, frame_data *frame)
4059 if (! frame->flags.marked) {
4060 frame->flags.marked = TRUE;
4061 if (cf->count > cf->marked_count)
4067 * Unmark a particular frame.
4070 cf_unmark_frame(capture_file *cf, frame_data *frame)
4072 if (frame->flags.marked) {
4073 frame->flags.marked = FALSE;
4074 if (cf->marked_count > 0)
4080 * Ignore a particular frame.
4083 cf_ignore_frame(capture_file *cf, frame_data *frame)
4085 if (! frame->flags.ignored) {
4086 frame->flags.ignored = TRUE;
4087 if (cf->count > cf->ignored_count)
4088 cf->ignored_count++;
4093 * Un-ignore a particular frame.
4096 cf_unignore_frame(capture_file *cf, frame_data *frame)
4098 if (frame->flags.ignored) {
4099 frame->flags.ignored = FALSE;
4100 if (cf->ignored_count > 0)
4101 cf->ignored_count--;
4108 } save_callback_args_t;
4111 * Save a capture to a file, in a particular format, saving either
4112 * all packets, all currently-displayed packets, or all marked packets.
4114 * Returns TRUE if it succeeds, FALSE otherwise; if it fails, it pops
4115 * up a message box for the failure.
4118 save_packet(capture_file *cf _U_, frame_data *fdata,
4119 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
4122 save_callback_args_t *args = argsp;
4123 struct wtap_pkthdr hdr;
4126 /* init the wtap header for saving */
4127 hdr.ts.secs = fdata->abs_ts.secs;
4128 hdr.ts.nsecs = fdata->abs_ts.nsecs;
4129 hdr.caplen = fdata->cap_len;
4130 hdr.len = fdata->pkt_len;
4131 hdr.pkt_encap = fdata->lnk_t;
4133 /* and save the packet */
4134 if (!wtap_dump(args->pdh, &hdr, pseudo_header, pd, &err)) {
4135 cf_write_failure_alert_box(args->fname, err);
4142 * Can this capture file be saved in any format except by copying the raw data?
4145 cf_can_save_as(capture_file *cf)
4149 for (ft = 0; ft < WTAP_NUM_FILE_TYPES; ft++) {
4150 /* To save a file with Wiretap, Wiretap has to handle that format,
4151 and its code to handle that format must be able to write a file
4152 with this file's encapsulation type. */
4153 if (wtap_dump_can_open(ft) && wtap_dump_can_write_encap(ft, cf->lnk_t)) {
4154 /* OK, we can write it out in this type. */
4159 /* No, we couldn't save it in any format. */
4164 cf_save(capture_file *cf, const char *fname, packet_range_t *range, guint save_format, gboolean compressed)
4166 gchar *from_filename;
4170 save_callback_args_t callback_args;
4172 cf_callback_invoke(cf_cb_file_save_started, (gpointer)fname);
4174 /* don't write over an existing file. */
4175 /* this should've been already checked by our caller, just to be sure... */
4176 if (file_exists(fname)) {
4177 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4178 "%sCapture file: \"%s\" already exists!%s\n\n"
4179 "Please choose a different filename.",
4180 simple_dialog_primary_start(), fname, simple_dialog_primary_end());
4184 packet_range_process_init(range);
4186 if (packet_range_process_all(range) && save_format == cf->cd_t) {
4187 /* We're not filtering packets, and we're saving it in the format
4188 it's already in, so we can just move or copy the raw data. */
4190 if (cf->is_tempfile) {
4191 /* The file being saved is a temporary file from a live
4192 capture, so it doesn't need to stay around under that name;
4193 first, try renaming the capture buffer file to the new name. */
4195 if (ws_rename(cf->filename, fname) == 0) {
4196 /* That succeeded - there's no need to copy the source file. */
4197 from_filename = NULL;
4200 if (errno == EXDEV) {
4201 /* They're on different file systems, so we have to copy the
4204 from_filename = cf->filename;
4206 /* The rename failed, but not because they're on different
4207 file systems - put up an error message. (Or should we
4208 just punt and try to copy? The only reason why I'd
4209 expect the rename to fail and the copy to succeed would
4210 be if we didn't have permission to remove the file from
4211 the temporary directory, and that might be fixable - but
4212 is it worth requiring the user to go off and fix it?) */
4213 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4214 file_rename_error_message(errno), fname);
4220 from_filename = cf->filename;
4223 /* It's a permanent file, so we should copy it, and not remove the
4226 from_filename = cf->filename;
4230 /* Copy the file, if we haven't moved it. */
4231 if (!copy_file_binary_mode(from_filename, fname))
4235 /* Either we're filtering packets, or we're saving in a different
4236 format; we can't do that by copying or moving the capture file,
4237 we have to do it by writing the packets out in Wiretap. */
4238 pdh = wtap_dump_open(fname, save_format, cf->lnk_t, cf->snap,
4241 cf_open_failure_alert_box(fname, err, NULL, TRUE, save_format);
4245 /* XXX - we let the user save a subset of the packets.
4247 If we do that, should we make that file the current file? If so,
4248 it means we can no longer get at the other packets. What does
4251 /* Iterate through the list of packets, processing the packets we were
4254 XXX - we've already called "packet_range_process_init(range)", but
4255 "process_specified_packets()" will do it again. Fortunately,
4256 that's harmless in this case, as we haven't done anything to
4257 "range" since we initialized it. */
4258 callback_args.pdh = pdh;
4259 callback_args.fname = fname;
4260 switch (process_specified_packets(cf, range, "Saving", "selected packets",
4261 TRUE, save_packet, &callback_args)) {
4264 /* Completed successfully. */
4268 /* The user decided to abort the saving.
4269 XXX - remove the output file? */
4273 /* Error while saving. */
4274 wtap_dump_close(pdh, &err);
4278 if (!wtap_dump_close(pdh, &err)) {
4279 cf_close_failure_alert_box(fname, err);
4284 cf_callback_invoke(cf_cb_file_save_finished, NULL);
4286 if (packet_range_process_all(range)) {
4287 /* We saved the entire capture, not just some packets from it.
4288 Open and read the file we saved it to.
4290 XXX - this is somewhat of a waste; we already have the
4291 packets, all this gets us is updated file type information
4292 (which we could just stuff into "cf"), and having the new
4293 file be the one we have opened and from which we're reading
4294 the data, and it means we have to spend time opening and
4295 reading the file, which could be a significant amount of
4296 time if the file is large. */
4297 cf->user_saved = TRUE;
4299 if ((cf_open(cf, fname, FALSE, &err)) == CF_OK) {
4300 /* XXX - report errors if this fails?
4301 What should we return if it fails or is aborted? */
4303 switch (cf_read(cf, TRUE)) {
4307 /* Just because we got an error, that doesn't mean we were unable
4308 to read any of the file; we handle what we could get from the
4312 case CF_READ_ABORTED:
4313 /* The user bailed out of re-reading the capture file; the
4314 capture file has been closed - just return (without
4315 changing any menu settings; "cf_close()" set them
4316 correctly for the "no capture file open" state). */
4319 cf_callback_invoke(cf_cb_file_save_reload_finished, cf);
4325 cf_callback_invoke(cf_cb_file_save_failed, NULL);
4330 cf_open_failure_alert_box(const char *filename, int err, gchar *err_info,
4331 gboolean for_writing, int file_type)
4334 /* Wiretap error. */
4337 case WTAP_ERR_NOT_REGULAR_FILE:
4338 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4339 "The file \"%s\" is a \"special file\" or socket or other non-regular file.",
4343 case WTAP_ERR_RANDOM_OPEN_PIPE:
4344 /* Seen only when opening a capture file for reading. */
4345 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4346 "The file \"%s\" is a pipe or FIFO; Wireshark can't read pipe or FIFO files.",
4350 case WTAP_ERR_FILE_UNKNOWN_FORMAT:
4351 /* Seen only when opening a capture file for reading. */
4352 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4353 "The file \"%s\" isn't a capture file in a format Wireshark understands.",
4357 case WTAP_ERR_UNSUPPORTED:
4358 /* Seen only when opening a capture file for reading. */
4359 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4360 "The file \"%s\" isn't a capture file in a format Wireshark understands.\n"
4362 filename, err_info);
4366 case WTAP_ERR_CANT_WRITE_TO_PIPE:
4367 /* Seen only when opening a capture file for writing. */
4368 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4369 "The file \"%s\" is a pipe, and %s capture files can't be "
4370 "written to a pipe.",
4371 filename, wtap_file_type_string(file_type));
4374 case WTAP_ERR_UNSUPPORTED_FILE_TYPE:
4375 /* Seen only when opening a capture file for writing. */
4376 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4377 "Wireshark doesn't support writing capture files in that format.");
4380 case WTAP_ERR_UNSUPPORTED_ENCAP:
4382 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4383 "Wireshark can't save this capture in that format.");
4385 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4386 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.\n"
4388 filename, err_info);
4393 case WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED:
4395 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4396 "Wireshark can't save this capture in that format.");
4398 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4399 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.",
4404 case WTAP_ERR_BAD_RECORD:
4405 /* Seen only when opening a capture file for reading. */
4406 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4407 "The file \"%s\" appears to be damaged or corrupt.\n"
4409 filename, err_info);
4413 case WTAP_ERR_CANT_OPEN:
4415 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4416 "The file \"%s\" could not be created for some unknown reason.",
4419 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4420 "The file \"%s\" could not be opened for some unknown reason.",
4425 case WTAP_ERR_SHORT_READ:
4426 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4427 "The file \"%s\" appears to have been cut short"
4428 " in the middle of a packet or other data.",
4432 case WTAP_ERR_SHORT_WRITE:
4433 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4434 "A full header couldn't be written to the file \"%s\".",
4438 case WTAP_ERR_COMPRESSION_NOT_SUPPORTED:
4439 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4440 "Gzip compression not supported by this file type.");
4444 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4445 "The file \"%s\" could not be %s: %s.",
4447 for_writing ? "created" : "opened",
4448 wtap_strerror(err));
4453 open_failure_alert_box(filename, err, for_writing);
4458 file_rename_error_message(int err)
4461 static char errmsg_errno[1024+1];
4466 errmsg = "The path to the file \"%s\" doesn't exist.";
4470 errmsg = "You don't have permission to move the capture file to \"%s\".";
4474 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4475 "The file \"%%s\" could not be moved: %s.",
4476 wtap_strerror(err));
4477 errmsg = errmsg_errno;
4484 cf_read_error_message(int err, gchar *err_info)
4486 static char errmsg_errno[1024+1];
4490 case WTAP_ERR_UNSUPPORTED_ENCAP:
4491 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4492 "The file \"%%s\" has a packet with a network type that Wireshark doesn't support.\n(%s)",
4497 case WTAP_ERR_BAD_RECORD:
4498 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4499 "An error occurred while reading from the file \"%%s\": %s.\n(%s)",
4500 wtap_strerror(err), err_info);
4505 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4506 "An error occurred while reading from the file \"%%s\": %s.",
4507 wtap_strerror(err));
4510 return errmsg_errno;
4514 cf_write_failure_alert_box(const char *filename, int err)
4517 /* Wiretap error. */
4518 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4519 "An error occurred while writing to the file \"%s\": %s.",
4520 filename, wtap_strerror(err));
4523 write_failure_alert_box(filename, err);
4527 /* Check for write errors - if the file is being written to an NFS server,
4528 a write error may not show up until the file is closed, as NFS clients
4529 might not send writes to the server until the "write()" call finishes,
4530 so that the write may fail on the server but the "write()" may succeed. */
4532 cf_close_failure_alert_box(const char *filename, int err)
4535 /* Wiretap error. */
4538 case WTAP_ERR_CANT_CLOSE:
4539 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4540 "The file \"%s\" couldn't be closed for some unknown reason.",
4544 case WTAP_ERR_SHORT_WRITE:
4545 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4546 "Not all the packets could be written to the file \"%s\".",
4551 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4552 "An error occurred while closing the file \"%s\": %s.",
4553 filename, wtap_strerror(err));
4558 We assume that a close error from the OS is really a write error. */
4559 write_failure_alert_box(filename, err);
4563 /* Reload the current capture file. */
4565 cf_reload(capture_file *cf) {
4567 gboolean is_tempfile;
4570 /* If the file could be opened, "cf_open()" calls "cf_close()"
4571 to get rid of state for the old capture file before filling in state
4572 for the new capture file. "cf_close()" will remove the file if
4573 it's a temporary file; we don't want that to happen (for one thing,
4574 it'd prevent subsequent reopens from working). Remember whether it's
4575 a temporary file, mark it as not being a temporary file, and then
4576 reopen it as the type of file it was.
4578 Also, "cf_close()" will free "cf->filename", so we must make
4579 a copy of it first. */
4580 filename = g_strdup(cf->filename);
4581 is_tempfile = cf->is_tempfile;
4582 cf->is_tempfile = FALSE;
4583 if (cf_open(cf, filename, is_tempfile, &err) == CF_OK) {
4584 switch (cf_read(cf, FALSE)) {
4588 /* Just because we got an error, that doesn't mean we were unable
4589 to read any of the file; we handle what we could get from the
4593 case CF_READ_ABORTED:
4594 /* The user bailed out of re-reading the capture file; the
4595 capture file has been closed - just free the capture file name
4596 string and return (without changing the last containing
4602 /* The open failed, so "cf->is_tempfile" wasn't set to "is_tempfile".
4603 Instead, the file was left open, so we should restore "cf->is_tempfile"
4606 XXX - change the menu? Presumably "cf_open()" will do that;
4607 make sure it does! */
4608 cf->is_tempfile = is_tempfile;
4610 /* "cf_open()" made a copy of the file name we handed it, so
4611 we should free up our copy. */