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 don't 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 /* Don't freeze/thaw the list when doing live capture */
796 /*new_packet_list_freeze();*/
798 packet_list_check_end();
799 packet_list_freeze();
802 /*g_log(NULL, G_LOG_LEVEL_MESSAGE, "cf_continue_tail: %u new: %u", cf->count, to_read);*/
804 while (to_read != 0 && (wtap_read(cf->wth, err, &err_info, &data_offset))) {
805 if (cf->state == FILE_READ_ABORTED) {
806 /* Well, the user decided to exit Wireshark. Break out of the
807 loop, and let the code below (which is called even if there
808 aren't any packets left to read) exit. */
812 if (read_packet(cf, dfcode, filtering_tap_listeners, tap_flags,
813 data_offset) != -1) {
815 newly_displayed_packets++;
820 CATCH(OutOfMemoryError) {
823 dialog = simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
824 "%sOut Of Memory!%s\n"
826 "Sorry, but Wireshark has to terminate now!\n"
828 "The capture file is not lost, it can be found at:\n"
831 "Some infos / workarounds can be found at:\n"
832 "http://wiki.wireshark.org/KnownBugs/OutOfMemory",
833 simple_dialog_primary_start(), simple_dialog_primary_end(), cf->filename);
834 /* we have to terminate, as we cannot recover from the memory error */
835 simple_dialog_set_cb(dialog, outofmemory_cb, NULL);
837 main_window_update();
838 /* XXX - how to avoid a busy wait? */
841 #ifdef NEW_PACKET_LIST
842 /* Don't freeze/thaw the list when doing live capture */
843 /*new_packet_list_thaw();*/
847 return CF_READ_ABORTED;
853 /* Cleanup and release all dfilter resources */
855 dfilter_free(dfcode);
858 /*g_log(NULL, G_LOG_LEVEL_MESSAGE, "cf_continue_tail: count %u state: %u err: %u",
859 cf->count, cf->state, *err);*/
861 #ifdef NEW_PACKET_LIST
862 /* Don't freeze/thaw the list when doing live capture */
863 /*new_packet_list_thaw();*/
864 /* With the new packet list the first packet
865 * isn't automatically selected.
867 if(!cf->current_frame)
868 new_packet_list_select_first_row();
870 /* XXX - this causes "flickering" of the list */
874 /* moving to the end of the packet list - if the user requested so and
875 we have some new packets. */
876 if (newly_displayed_packets && auto_scroll_live && cf->plist_end != NULL)
877 #ifdef NEW_PACKET_LIST
879 new_packet_list_moveto_end();
881 /* this doesn't seem to work well with a frozen GTK_Clist, so do this after
882 packet_list_thaw() is done, see bugzilla 1188 */
883 /* XXX - this cheats and looks inside the packet list to find the final
885 packet_list_moveto_end();
886 #endif /* NEW_PACKET_LIST */
888 if (cf->state == FILE_READ_ABORTED) {
889 /* Well, the user decided to exit Wireshark. Return CF_READ_ABORTED
890 so that our caller can kill off the capture child process;
891 this will cause an EOF on the pipe from the child, so
892 "cf_finish_tail()" will be called, and it will clean up
894 return CF_READ_ABORTED;
895 } else if (*err != 0) {
896 /* We got an error reading the capture file.
897 XXX - pop up a dialog box instead? */
898 g_warning("Error \"%s\" while reading: \"%s\"\n",
899 wtap_strerror(*err), cf->filename);
901 return CF_READ_ERROR;
907 cf_finish_tail(capture_file *cf, int *err)
912 gboolean filtering_tap_listeners;
916 /* Compile the current display filter.
917 * We assume this will not fail since cf->dfilter is only set in
918 * cf_filter IFF the filter was valid.
920 compiled = dfilter_compile(cf->dfilter, &dfcode);
921 g_assert(!cf->dfilter || (compiled && dfcode));
923 /* Do we have any tap listeners with filters? */
924 filtering_tap_listeners = have_filtering_tap_listeners();
926 /* Get the union of the flags for all tap listeners. */
927 tap_flags = union_of_tap_listener_flags();
929 if(cf->wth == NULL) {
931 return CF_READ_ERROR;
934 #ifdef NEW_PACKET_LIST
935 new_packet_list_check_end();
936 /* Don't freeze/thaw the list when doing live capture */
937 /*new_packet_list_freeze();*/
939 packet_list_check_end();
940 packet_list_freeze();
943 while ((wtap_read(cf->wth, err, &err_info, &data_offset))) {
944 if (cf->state == FILE_READ_ABORTED) {
945 /* Well, the user decided to abort the read. Break out of the
946 loop, and let the code below (which is called even if there
947 aren't any packets left to read) exit. */
950 read_packet(cf, dfcode, filtering_tap_listeners, tap_flags, data_offset);
953 /* Cleanup and release all dfilter resources */
955 dfilter_free(dfcode);
958 #ifdef NEW_PACKET_LIST
959 /* Don't freeze/thaw the list when doing live capture */
960 /*new_packet_list_thaw();*/
965 if (cf->state == FILE_READ_ABORTED) {
966 /* Well, the user decided to abort the read. We're only called
967 when the child capture process closes the pipe to us (meaning
968 it's probably exited), so we can just close the capture
969 file; we return CF_READ_ABORTED so our caller can do whatever
970 is appropriate when that happens. */
972 return CF_READ_ABORTED;
975 if (auto_scroll_live && cf->plist_end != NULL)
976 #ifdef NEW_PACKET_LIST
977 new_packet_list_moveto_end();
979 /* XXX - this cheats and looks inside the packet list to find the final
981 packet_list_moveto_end();
984 /* We're done reading sequentially through the file. */
985 cf->state = FILE_READ_DONE;
987 /* We're done reading sequentially through the file; close the
988 sequential I/O side, to free up memory it requires. */
989 wtap_sequential_close(cf->wth);
991 /* Allow the protocol dissectors to free up memory that they
992 * don't need after the sequential run-through of the packets. */
993 postseq_cleanup_all_protocols();
995 /* Set the file encapsulation type now; we don't know what it is until
996 we've looked at all the packets, as we don't know until then whether
997 there's more than one type (and thus whether it's
998 WTAP_ENCAP_PER_PACKET). */
999 cf->lnk_t = wtap_file_encap(cf->wth);
1002 /* We got an error reading the capture file.
1003 XXX - pop up a dialog box? */
1004 return CF_READ_ERROR;
1009 #endif /* HAVE_LIBPCAP */
1012 cf_get_display_name(capture_file *cf)
1014 const gchar *displayname;
1016 /* Return a name to use in displays */
1017 if (!cf->is_tempfile) {
1018 /* Get the last component of the file name, and use that. */
1020 displayname = get_basename(cf->filename);
1022 displayname="(No file)";
1025 /* The file we read is a temporary file from a live capture;
1026 we don't mention its name. */
1027 displayname = "(Untitled)";
1032 /* XXX - use a macro instead? */
1034 cf_get_packet_count(capture_file *cf)
1039 /* XXX - use a macro instead? */
1041 cf_set_packet_count(capture_file *cf, int packet_count)
1043 cf->count = packet_count;
1046 /* XXX - use a macro instead? */
1048 cf_is_tempfile(capture_file *cf)
1050 return cf->is_tempfile;
1053 void cf_set_tempfile(capture_file *cf, gboolean is_tempfile)
1055 cf->is_tempfile = is_tempfile;
1059 /* XXX - use a macro instead? */
1060 void cf_set_drops_known(capture_file *cf, gboolean drops_known)
1062 cf->drops_known = drops_known;
1065 /* XXX - use a macro instead? */
1066 void cf_set_drops(capture_file *cf, guint32 drops)
1071 /* XXX - use a macro instead? */
1072 gboolean cf_get_drops_known(capture_file *cf)
1074 return cf->drops_known;
1077 /* XXX - use a macro instead? */
1078 guint32 cf_get_drops(capture_file *cf)
1083 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode)
1085 cf->rfcode = rfcode;
1088 #ifdef NEW_PACKET_LIST
1090 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1091 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1093 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1095 gboolean add_to_packet_list)
1097 gboolean create_proto_tree = FALSE;
1102 cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
1104 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1105 &first_ts, &prev_dis_ts, &prev_cap_ts);
1108 + we have a display filter and are re-applying it;
1109 + we have tap listeners with filters;
1110 + we have tap listeners that require a protocol tree;
1112 allocate a protocol tree root node, so that we'll construct
1113 a protocol tree against which a filter expression can be
1115 if ((dfcode != NULL && refilter) ||
1116 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1117 create_proto_tree = TRUE;
1119 /* Dissect the frame. */
1120 epan_dissect_init(&edt, create_proto_tree, FALSE);
1122 if (dfcode != NULL && refilter) {
1123 epan_dissect_prime_dfilter(&edt, dfcode);
1126 tap_queue_init(&edt);
1127 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1128 tap_push_tapped_queue(&edt);
1130 /* If we have a display filter, apply it if we're refiltering, otherwise
1131 leave the "passed_dfilter" flag alone.
1133 If we don't have a display filter, set "passed_dfilter" to 1. */
1134 if (dfcode != NULL) {
1136 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1139 fdata->flags.passed_dfilter = 1;
1141 if (add_to_packet_list) {
1142 /* We fill the needed columns from new_packet_list */
1143 row = new_packet_list_append(cinfo, fdata, &edt.pi);
1146 if(fdata->flags.passed_dfilter || fdata->flags.ref_time)
1148 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1150 /* If we haven't yet seen the first frame, this is it.
1152 XXX - we must do this before we add the row to the display,
1153 as, if the display's GtkCList's selection mode is
1154 GTK_SELECTION_BROWSE, when the first entry is added to it,
1155 "cf_select_packet()" will be called, and it will fetch the row
1156 data for the 0th row, and will get a null pointer rather than
1157 "fdata", as "gtk_clist_append()" won't yet have returned and
1158 thus "gtk_clist_set_row_data()" won't yet have been called.
1160 We thus need to leave behind bread crumbs so that
1161 "cf_select_packet()" can find this frame. See the comment
1162 in "cf_select_packet()". */
1163 if (cf->first_displayed == NULL)
1164 cf->first_displayed = fdata;
1166 /* This is the last frame we've seen so far. */
1167 cf->last_displayed = fdata;
1169 cf->displayed_count++;
1172 epan_dissect_cleanup(&edt);
1179 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1180 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1182 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1184 gboolean add_to_packet_list _U_)
1186 gboolean create_proto_tree = FALSE;
1193 /* just add some value here until we know if it is being displayed or not */
1194 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
1196 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1197 &first_ts, &prev_dis_ts, &prev_cap_ts);
1201 we have a display filter and are re-applying it;
1203 we have a list of color filters;
1205 we have tap listeners with filters;
1207 we have tap listeners that require a protocol tree;
1209 we have custom columns;
1211 allocate a protocol tree root node, so that we'll construct
1212 a protocol tree against which a filter expression can be
1214 if ((dfcode != NULL && refilter) ||
1215 color_filters_used() ||
1216 have_custom_cols(cinfo) ||
1217 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1218 create_proto_tree = TRUE;
1220 /* Dissect the frame. */
1221 epan_dissect_init(&edt, create_proto_tree, FALSE);
1223 if (dfcode != NULL && refilter) {
1224 epan_dissect_prime_dfilter(&edt, dfcode);
1227 /* prepare color filters */
1228 color_filters_prime_edt(&edt);
1229 col_custom_prime_edt(&edt, cinfo);
1231 tap_queue_init(&edt);
1232 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1233 tap_push_tapped_queue(&edt);
1235 /* If we have a display filter, apply it if we're refiltering, otherwise
1236 leave the "passed_dfilter" flag alone.
1238 If we don't have a display filter, set "passed_dfilter" to 1. */
1239 if (dfcode != NULL) {
1241 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1244 fdata->flags.passed_dfilter = 1;
1246 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) )
1248 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1250 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
1252 /* If we haven't yet seen the first frame, this is it.
1254 XXX - we must do this before we add the row to the display,
1255 as, if the display's GtkCList's selection mode is
1256 GTK_SELECTION_BROWSE, when the first entry is added to it,
1257 "cf_select_packet()" will be called, and it will fetch the row
1258 data for the 0th row, and will get a null pointer rather than
1259 "fdata", as "gtk_clist_append()" won't yet have returned and
1260 thus "gtk_clist_set_row_data()" won't yet have been called.
1262 We thus need to leave behind bread crumbs so that
1263 "cf_select_packet()" can find this frame. See the comment
1264 in "cf_select_packet()". */
1265 if (cf->first_displayed == NULL)
1266 cf->first_displayed = fdata;
1268 /* This is the last frame we've seen so far. */
1269 cf->last_displayed = fdata;
1271 row = packet_list_append(cinfo->col_data, fdata);
1273 /* colorize packet: first apply color filters
1274 * then if packet is marked, use preferences to overwrite color
1275 * we do both to make sure that when a packet gets un-marked, the
1276 * color will be correctly set (fixes bug 2038)
1278 fdata->color_filter = color_filters_colorize_packet(row, &edt);
1279 if (fdata->flags.marked) {
1280 packet_list_set_colors(row, &prefs.gui_marked_fg, &prefs.gui_marked_bg);
1282 if (fdata->flags.ignored) {
1283 packet_list_set_colors(row, &prefs.gui_ignored_fg, &prefs.gui_ignored_bg);
1286 cf->displayed_count++;
1289 epan_dissect_cleanup(&edt);
1294 /* read in a new packet */
1295 /* returns the row of the new packet in the packet list or -1 if not displayed */
1297 read_packet(capture_file *cf, dfilter_t *dfcode,
1298 gboolean filtering_tap_listeners, guint tap_flags, gint64 offset)
1300 const struct wtap_pkthdr *phdr = wtap_phdr(cf->wth);
1301 union wtap_pseudo_header *pseudo_header = wtap_pseudoheader(cf->wth);
1302 const guchar *buf = wtap_buf_ptr(cf->wth);
1309 /* Allocate the next list entry, and add it to the list.
1310 * memory chunks have been deprecated in favor of the slice allocator,
1311 * which has been added in 2.10
1313 #if GLIB_CHECK_VERSION(2,10,0)
1314 fdata = g_slice_new(frame_data);
1316 fdata = g_mem_chunk_alloc(cf->plist_chunk);
1319 frame_data_init(fdata, cf->count, phdr, offset, cum_bytes);
1321 #ifdef NEW_PACKET_LIST
1322 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1323 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1329 epan_dissect_init(&edt, TRUE, FALSE);
1330 epan_dissect_prime_dfilter(&edt, cf->rfcode);
1331 epan_dissect_run(&edt, pseudo_header, buf, fdata, NULL);
1332 passed = dfilter_apply_edt(cf->rfcode, &edt);
1333 epan_dissect_cleanup(&edt);
1337 cap_file_add_fdata(cf, fdata);
1339 cf->f_datalen = offset + fdata->cap_len;
1341 if (!cf->redissecting) {
1342 row = add_packet_to_packet_list(fdata, cf, dfcode,
1343 filtering_tap_listeners, tap_flags,
1344 pseudo_header, buf, TRUE, TRUE);
1347 /* We didn't pass read filter so roll back count */
1350 /* XXX - if we didn't have read filters, or if we could avoid
1351 allocating the "frame_data" structure until we knew whether
1352 the frame passed the read filter, we could use a G_ALLOC_ONLY
1355 ...but, at least in one test I did, where I just made the chunk
1356 a G_ALLOC_ONLY chunk and read in a huge capture file, it didn't
1357 seem to save a noticeable amount of time or space. */
1358 #if GLIB_CHECK_VERSION(2,10,0)
1359 /* memory chunks have been deprecated in favor of the slice allocator,
1360 * which has been added in 2.10
1362 g_slice_free(frame_data,fdata);
1364 g_mem_chunk_free(cf->plist_chunk, fdata);
1372 cf_merge_files(char **out_filenamep, int in_file_count,
1373 char *const *in_filenames, int file_type, gboolean do_append)
1375 merge_in_file_t *in_files;
1381 int open_err, read_err, write_err, close_err;
1385 char errmsg_errno[1024+1];
1387 gboolean got_read_error = FALSE, got_write_error = FALSE;
1389 progdlg_t *progbar = NULL;
1391 gint64 f_len, file_pos;
1393 GTimeVal start_time;
1394 gchar status_str[100];
1395 gint64 progbar_nextstep;
1396 gint64 progbar_quantum;
1398 /* open the input files */
1399 if (!merge_open_in_files(in_file_count, in_filenames, &in_files,
1400 &open_err, &err_info, &err_fileno)) {
1402 cf_open_failure_alert_box(in_filenames[err_fileno], open_err, err_info,
1407 if (*out_filenamep != NULL) {
1408 out_filename = *out_filenamep;
1409 out_fd = ws_open(out_filename, O_CREAT|O_TRUNC|O_BINARY, 0600);
1413 out_fd = create_tempfile(&tmpname, "wireshark");
1416 out_filename = g_strdup(tmpname);
1417 *out_filenamep = out_filename;
1421 merge_close_in_files(in_file_count, in_files);
1423 cf_open_failure_alert_box(out_filename, open_err, NULL, TRUE, file_type);
1427 pdh = wtap_dump_fdopen(out_fd, file_type,
1428 merge_select_frame_type(in_file_count, in_files),
1429 merge_max_snapshot_length(in_file_count, in_files),
1430 FALSE /* compressed */, &open_err);
1433 merge_close_in_files(in_file_count, in_files);
1435 cf_open_failure_alert_box(out_filename, open_err, err_info, TRUE,
1440 /* Get the sum of the sizes of all the files. */
1442 for (i = 0; i < in_file_count; i++)
1443 f_len += in_files[i].size;
1445 /* Update the progress bar when it gets to this value. */
1446 progbar_nextstep = 0;
1447 /* When we reach the value that triggers a progress bar update,
1448 bump that value by this amount. */
1449 progbar_quantum = f_len/N_PROGBAR_UPDATES;
1450 /* Progress so far. */
1454 g_get_current_time(&start_time);
1456 /* do the merge (or append) */
1459 wth = merge_append_read_packet(in_file_count, in_files, &read_err,
1462 wth = merge_read_packet(in_file_count, in_files, &read_err,
1466 got_read_error = TRUE;
1470 /* Get the sum of the data offsets in all of the files. */
1472 for (i = 0; i < in_file_count; i++)
1473 data_offset += in_files[i].data_offset;
1475 /* Create the progress bar if necessary.
1476 We check on every iteration of the loop, so that it takes no
1477 longer than the standard time to create it (otherwise, for a
1478 large file, we might take considerably longer than that standard
1479 time in order to get to the next progress bar step). */
1480 if (progbar == NULL) {
1481 progbar = delayed_create_progress_dlg("Merging", "files",
1482 FALSE, &stop_flag, &start_time, progbar_val);
1485 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1486 when we update it, we have to run the GTK+ main loop to get it
1487 to repaint what's pending, and doing so may involve an "ioctl()"
1488 to see if there's any pending input from an X server, and doing
1489 that for every packet can be costly, especially on a big file. */
1490 if (data_offset >= progbar_nextstep) {
1491 /* Get the sum of the seek positions in all of the files. */
1493 for (i = 0; i < in_file_count; i++)
1494 file_pos += wtap_read_so_far(in_files[i].wth, NULL);
1495 progbar_val = (gfloat) file_pos / (gfloat) f_len;
1496 if (progbar_val > 1.0f) {
1497 /* Some file probably grew while we were reading it.
1498 That "shouldn't happen", so we'll just clip the progress
1502 if (progbar != NULL) {
1503 g_snprintf(status_str, sizeof(status_str),
1504 "%" G_GINT64_MODIFIER "dKB of %" G_GINT64_MODIFIER "dKB",
1505 file_pos / 1024, f_len / 1024);
1506 update_progress_dlg(progbar, progbar_val, status_str);
1508 progbar_nextstep += progbar_quantum;
1512 /* Well, the user decided to abort the merge. */
1516 if (!wtap_dump(pdh, wtap_phdr(wth), wtap_pseudoheader(wth),
1517 wtap_buf_ptr(wth), &write_err)) {
1518 got_write_error = TRUE;
1523 /* We're done merging the files; destroy the progress bar if it was created. */
1524 if (progbar != NULL)
1525 destroy_progress_dlg(progbar);
1527 merge_close_in_files(in_file_count, in_files);
1528 if (!got_read_error && !got_write_error) {
1529 if (!wtap_dump_close(pdh, &write_err))
1530 got_write_error = TRUE;
1532 wtap_dump_close(pdh, &close_err);
1534 if (got_read_error) {
1536 * Find the file on which we got the error, and report the error.
1538 for (i = 0; i < in_file_count; i++) {
1539 if (in_files[i].state == GOT_ERROR) {
1540 /* Put up a message box noting that a read failed somewhere along
1544 case WTAP_ERR_UNSUPPORTED_ENCAP:
1545 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1546 "The capture file %%s has a packet with a network type that Wireshark doesn't support.\n(%s)",
1549 errmsg = errmsg_errno;
1552 case WTAP_ERR_CANT_READ:
1553 errmsg = "An attempt to read from the capture file %s failed for"
1554 " some unknown reason.";
1557 case WTAP_ERR_SHORT_READ:
1558 errmsg = "The capture file %s appears to have been cut short"
1559 " in the middle of a packet.";
1562 case WTAP_ERR_BAD_RECORD:
1563 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1564 "The capture file %%s appears to be damaged or corrupt.\n(%s)",
1567 errmsg = errmsg_errno;
1571 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1572 "An error occurred while reading the"
1573 " capture file %%s: %s.", wtap_strerror(read_err));
1574 errmsg = errmsg_errno;
1577 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, errmsg, in_files[i].filename);
1582 if (got_write_error) {
1583 /* Put up an alert box for the write error. */
1584 cf_write_failure_alert_box(out_filename, write_err);
1587 if (got_read_error || got_write_error || stop_flag) {
1588 /* Callers aren't expected to treat an error or an explicit abort
1589 differently - we put up error dialogs ourselves, so they don't
1597 cf_filter_packets(capture_file *cf, gchar *dftext, gboolean force)
1599 const char *filter_new = dftext ? dftext : "";
1600 const char *filter_old = cf->dfilter ? cf->dfilter : "";
1603 /* if new filter equals old one, do nothing unless told to do so */
1604 if (!force && strcmp(filter_new, filter_old) == 0) {
1610 if (dftext == NULL) {
1611 /* The new filter is an empty filter (i.e., display all packets).
1612 * so leave dfcode==NULL
1616 * We have a filter; make a copy of it (as we'll be saving it),
1617 * and try to compile it.
1619 dftext = g_strdup(dftext);
1620 if (!dfilter_compile(dftext, &dfcode)) {
1621 /* The attempt failed; report an error. */
1622 gchar *safe_dftext = simple_dialog_format_message(dftext);
1623 gchar *safe_dfilter_error_msg = simple_dialog_format_message(
1625 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1628 "The following display filter isn't a valid display filter:\n%s\n"
1629 "See the help for a description of the display filter syntax.",
1630 simple_dialog_primary_start(), safe_dfilter_error_msg,
1631 simple_dialog_primary_end(), safe_dftext);
1632 g_free(safe_dfilter_error_msg);
1633 g_free(safe_dftext);
1639 if (dfcode == NULL) {
1640 /* Yes - free the filter text, and set it to null. */
1646 /* We have a valid filter. Replace the current filter. */
1647 g_free(cf->dfilter);
1648 cf->dfilter = dftext;
1650 /* Now rescan the packet list, applying the new filter, but not
1651 throwing away information constructed on a previous pass. */
1652 if (dftext == NULL) {
1653 rescan_packets(cf, "Resetting", "Filter", TRUE, FALSE);
1655 rescan_packets(cf, "Filtering", dftext, TRUE, FALSE);
1658 /* Cleanup and release all dfilter resources */
1659 dfilter_free(dfcode);
1665 cf_colorize_packets(capture_file *cf)
1667 rescan_packets(cf, "Colorizing", "all packets", FALSE, FALSE);
1671 cf_reftime_packets(capture_file *cf)
1674 #ifdef NEW_PACKET_LIST
1675 ref_time_packets(cf);
1677 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1682 cf_redissect_packets(capture_file *cf)
1684 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1687 /* Rescan the list of packets, reconstructing the CList.
1689 "action" describes why we're doing this; it's used in the progress
1692 "action_item" describes what we're doing; it's used in the progress
1695 "refilter" is TRUE if we need to re-evaluate the filter expression.
1697 "redissect" is TRUE if we need to make the dissectors reconstruct
1698 any state information they have (because a preference that affects
1699 some dissector has changed, meaning some dissector might construct
1700 its state differently from the way it was constructed the last time). */
1701 #ifdef NEW_PACKET_LIST
1703 rescan_packets(capture_file *cf, const char *action, const char *action_item,
1704 gboolean refilter, gboolean redissect)
1706 /* Rescan packets new packet list */
1708 progdlg_t *progbar = NULL;
1713 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
1714 int selected_frame_num, preceding_frame_num, following_frame_num, prev_frame_num;
1715 gboolean selected_frame_seen;
1718 GTimeVal start_time;
1719 gchar status_str[100];
1720 int progbar_nextstep;
1721 int progbar_quantum;
1723 gboolean filtering_tap_listeners;
1725 gboolean add_to_packet_list = FALSE;
1728 /* Compile the current display filter.
1729 * We assume this will not fail since cf->dfilter is only set in
1730 * cf_filter IFF the filter was valid.
1732 compiled = dfilter_compile(cf->dfilter, &dfcode);
1733 g_assert(!cf->dfilter || (compiled && dfcode));
1735 /* Do we have any tap listeners with filters? */
1736 filtering_tap_listeners = have_filtering_tap_listeners();
1738 /* Get the union of the flags for all tap listeners. */
1739 tap_flags = union_of_tap_listener_flags();
1741 reset_tap_listeners();
1742 /* Which frame, if any, is the currently selected frame?
1743 XXX - should the selected frame or the focus frame be the "current"
1744 frame, that frame being the one from which "Find Frame" searches
1746 selected_frame = cf->current_frame;
1748 /* Mark frane num as not found */
1749 selected_frame_num = -1;
1751 /* Freeze the packet list while we redo it, so we don't get any
1752 screen updates while it happens. */
1753 new_packet_list_freeze();
1756 /* We need to re-initialize all the state information that protocols
1757 keep, because some preference that controls a dissector has changed,
1758 which might cause the state information to be constructed differently
1759 by that dissector. */
1761 /* We might receive new packets while redissecting, and we don't
1762 want to dissect those before their time. */
1763 cf->redissecting = TRUE;
1765 /* Cleanup all data structures used for dissection. */
1766 cleanup_dissection();
1767 /* Initialize all data structures used for dissection. */
1770 /* We need to redissect the packets so we have to discard our old
1771 * packet list store. */
1772 new_packet_list_clear();
1773 add_to_packet_list = TRUE;
1776 /* We don't yet know which will be the first and last frames displayed. */
1777 cf->first_displayed = NULL;
1778 cf->last_displayed = NULL;
1780 /* We currently don't display any packets */
1781 cf->displayed_count = 0;
1783 /* Iterate through the list of frames. Call a routine for each frame
1784 to check whether it should be displayed and, if so, add it to
1785 the display list. */
1786 nstime_set_unset(&first_ts);
1787 nstime_set_unset(&prev_dis_ts);
1788 nstime_set_unset(&prev_cap_ts);
1791 /* Update the progress bar when it gets to this value. */
1792 progbar_nextstep = 0;
1793 /* When we reach the value that triggers a progress bar update,
1794 bump that value by this amount. */
1795 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
1796 /* Count of packets at which we've looked. */
1798 /* Progress so far. */
1802 g_get_current_time(&start_time);
1804 /* no previous row yet */
1806 prev_frame_num = -1;
1809 preceding_frame_num = -1;
1810 preceding_frame = NULL;
1811 following_frame_num = -1;
1812 following_frame = NULL;
1814 selected_frame_seen = FALSE;
1816 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
1817 /* Create the progress bar if necessary.
1818 We check on every iteration of the loop, so that it takes no
1819 longer than the standard time to create it (otherwise, for a
1820 large file, we might take considerably longer than that standard
1821 time in order to get to the next progress bar step). */
1822 if (progbar == NULL)
1823 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
1824 &stop_flag, &start_time,
1827 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1828 when we update it, we have to run the GTK+ main loop to get it
1829 to repaint what's pending, and doing so may involve an "ioctl()"
1830 to see if there's any pending input from an X server, and doing
1831 that for every packet can be costly, especially on a big file. */
1832 if (count >= progbar_nextstep) {
1833 /* let's not divide by zero. I should never be started
1834 * with count == 0, so let's assert that
1836 g_assert(cf->count > 0);
1837 progbar_val = (gfloat) count / cf->count;
1839 if (progbar != NULL) {
1840 g_snprintf(status_str, sizeof(status_str),
1841 "%4u of %u frames", count, cf->count);
1842 update_progress_dlg(progbar, progbar_val, status_str);
1845 progbar_nextstep += progbar_quantum;
1849 /* Well, the user decided to abort the filtering. Just stop.
1851 XXX - go back to the previous filter? Users probably just
1852 want not to wait for a filtering operation to finish;
1853 unless we cancel by having no filter, reverting to the
1854 previous filter will probably be even more expensive than
1855 continuing the filtering, as it involves going back to the
1856 beginning and filtering, and even with no filter we currently
1857 have to re-generate the entire clist, which is also expensive.
1859 I'm not sure what Network Monitor does, but it doesn't appear
1860 to give you an unfiltered display if you cancel. */
1867 /* Since all state for the frame was destroyed, mark the frame
1868 * as not visited, free the GSList referring to the state
1869 * data (the per-frame data itself was freed by
1870 * "init_dissection()"), and null out the GSList pointer. */
1871 fdata->flags.visited = 0;
1872 frame_data_cleanup(fdata);
1874 /* cleanup_dissection() calls se_free_all();
1875 * And after that fdata->col_text (which is allocated using se_alloc0())
1876 * no longer points to valid memory.
1878 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1879 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1882 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
1883 cf->pd, fdata->cap_len, &err, &err_info)) {
1884 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1885 cf_read_error_message(err, err_info), cf->filename);
1889 /* If the previous frame is displayed, and we haven't yet seen the
1890 selected frame, remember that frame - it's the closest one we've
1891 yet seen before the selected frame. */
1892 if (prev_frame_num != -1 && !selected_frame_seen && prev_frame->flags.passed_dfilter) {
1893 preceding_frame_num = prev_frame_num;
1894 preceding_frame = prev_frame;
1896 add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
1897 tap_flags, &cf->pseudo_header, cf->pd,
1899 add_to_packet_list);
1901 /* If this frame is displayed, and this is the first frame we've
1902 seen displayed after the selected frame, remember this frame -
1903 it's the closest one we've yet seen at or after the selected
1905 if (fdata->flags.passed_dfilter && selected_frame_seen && following_frame_num == -1) {
1906 following_frame_num = fdata->num;
1907 following_frame = fdata;
1909 if (fdata == selected_frame) {
1910 selected_frame_seen = TRUE;
1911 if (fdata->flags.passed_dfilter)
1912 selected_frame_num = fdata->num;
1915 /* Remember this frame - it'll be the previous frame
1916 on the next pass through the loop. */
1917 prev_frame_num = fdata->num;
1921 /* We are done redissecting the packet list. */
1922 cf->redissecting = FALSE;
1925 /* Clear out what remains of the visited flags and per-frame data
1928 XXX - that may cause various forms of bogosity when dissecting
1929 these frames, as they won't have been seen by this sequential
1930 pass, but the only alternative I see is to keep scanning them
1931 even though the user requested that the scan stop, and that
1932 would leave the user stuck with an Wireshark grinding on
1933 until it finishes. Should we just stick them with that? */
1934 for (; fdata != NULL; fdata = fdata->next) {
1935 fdata->flags.visited = 0;
1936 frame_data_cleanup(fdata);
1940 /* We're done filtering the packets; destroy the progress bar if it
1942 if (progbar != NULL)
1943 destroy_progress_dlg(progbar);
1945 /* Unfreeze the packet list. */
1946 if (!add_to_packet_list)
1947 new_packet_list_recreate_visible_rows();
1949 new_packet_list_thaw();
1951 if (selected_frame_num == -1) {
1952 /* The selected frame didn't pass the filter. */
1953 if (selected_frame == NULL) {
1954 /* That's because there *was* no selected frame. Make the first
1955 displayed frame the current frame. */
1956 selected_frame_num = 0;
1958 /* Find the nearest displayed frame to the selected frame (whether
1959 it's before or after that frame) and make that the current frame.
1960 If the next and previous displayed frames are equidistant from the
1961 selected frame, choose the next one. */
1962 g_assert(following_frame == NULL ||
1963 following_frame->num >= selected_frame->num);
1964 g_assert(preceding_frame == NULL ||
1965 preceding_frame->num <= selected_frame->num);
1966 if (following_frame == NULL) {
1967 /* No frame after the selected frame passed the filter, so we
1968 have to select the last displayed frame before the selected
1970 selected_frame_num = preceding_frame_num;
1971 selected_frame = preceding_frame;
1972 } else if (preceding_frame == NULL) {
1973 /* No frame before the selected frame passed the filter, so we
1974 have to select the first displayed frame after the selected
1976 selected_frame_num = following_frame_num;
1977 selected_frame = following_frame;
1979 /* Frames before and after the selected frame passed the filter, so
1980 we'll select the previous frame */
1981 selected_frame_num = preceding_frame_num;
1982 selected_frame = preceding_frame;
1987 if (selected_frame_num == -1) {
1988 /* There are no frames displayed at all. */
1989 cf_unselect_packet(cf);
1991 /* Either the frame that was selected passed the filter, or we've
1992 found the nearest displayed frame to that frame. Select it, make
1993 it the focus row, and make it visible. */
1994 /* Set to invalid to force update of packet list and packet details */
1995 cf->current_row = -1;
1996 if (selected_frame_num == 0) {
1997 new_packet_list_select_first_row();
1999 new_packet_list_find_row_from_data(selected_frame, TRUE);
2003 /* Cleanup and release all dfilter resources */
2004 dfilter_free(dfcode);
2010 rescan_packets(capture_file *cf, const char *action, const char *action_item,
2011 gboolean refilter, gboolean redissect)
2014 progdlg_t *progbar = NULL;
2019 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
2020 int selected_row, prev_row, preceding_row, following_row;
2021 gboolean selected_frame_seen;
2024 GTimeVal start_time;
2025 gchar status_str[100];
2026 int progbar_nextstep;
2027 int progbar_quantum;
2029 gboolean filtering_tap_listeners;
2031 gboolean add_to_packet_list = TRUE;
2034 /* Compile the current display filter.
2035 * We assume this will not fail since cf->dfilter is only set in
2036 * cf_filter IFF the filter was valid.
2038 compiled = dfilter_compile(cf->dfilter, &dfcode);
2039 g_assert(!cf->dfilter || (compiled && dfcode));
2041 /* Do we have any tap listeners with filters? */
2042 filtering_tap_listeners = have_filtering_tap_listeners();
2044 /* Get the union of the flags for all tap listeners. */
2045 tap_flags = union_of_tap_listener_flags();
2047 reset_tap_listeners();
2048 /* Which frame, if any, is the currently selected frame?
2049 XXX - should the selected frame or the focus frame be the "current"
2050 frame, that frame being the one from which "Find Frame" searches
2052 selected_frame = cf->current_frame;
2054 /* We don't yet know what row that frame will be on, if any, after we
2055 rebuild the clist, however. */
2058 /* Freeze the packet list while we redo it, so we don't get any
2059 screen updates while it happens. */
2060 packet_list_freeze();
2063 packet_list_clear();
2066 /* We need to re-initialize all the state information that protocols
2067 keep, because some preference that controls a dissector has changed,
2068 which might cause the state information to be constructed differently
2069 by that dissector. */
2071 /* We might receive new packets while redissecting, and we don't
2072 want to dissect those before their time. */
2073 cf->redissecting = TRUE;
2075 /* Cleanup all data structures used for dissection. */
2076 cleanup_dissection();
2077 /* Initialize all data structures used for dissection. */
2082 /* We don't yet know which will be the first and last frames displayed. */
2083 cf->first_displayed = NULL;
2084 cf->last_displayed = NULL;
2088 /* We currently don't display any packets */
2089 cf->displayed_count = 0;
2091 /* Iterate through the list of frames. Call a routine for each frame
2092 to check whether it should be displayed and, if so, add it to
2093 the display list. */
2094 nstime_set_unset(&first_ts);
2095 nstime_set_unset(&prev_dis_ts);
2096 nstime_set_unset(&prev_cap_ts);
2099 /* Update the progress bar when it gets to this value. */
2100 progbar_nextstep = 0;
2101 /* When we reach the value that triggers a progress bar update,
2102 bump that value by this amount. */
2103 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2104 /* Count of packets at which we've looked. */
2106 /* Progress so far. */
2110 g_get_current_time(&start_time);
2112 row = -1; /* no previous row yet */
2117 preceding_frame = NULL;
2119 following_frame = NULL;
2121 selected_frame_seen = FALSE;
2123 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2124 /* Create the progress bar if necessary.
2125 We check on every iteration of the loop, so that it takes no
2126 longer than the standard time to create it (otherwise, for a
2127 large file, we might take considerably longer than that standard
2128 time in order to get to the next progress bar step). */
2129 if (progbar == NULL)
2130 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
2131 &stop_flag, &start_time,
2134 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2135 when we update it, we have to run the GTK+ main loop to get it
2136 to repaint what's pending, and doing so may involve an "ioctl()"
2137 to see if there's any pending input from an X server, and doing
2138 that for every packet can be costly, especially on a big file. */
2139 if (count >= progbar_nextstep) {
2140 /* let's not divide by zero. I should never be started
2141 * with count == 0, so let's assert that
2143 g_assert(cf->count > 0);
2144 progbar_val = (gfloat) count / cf->count;
2146 if (progbar != NULL) {
2147 g_snprintf(status_str, sizeof(status_str),
2148 "%4u of %u frames", count, cf->count);
2149 update_progress_dlg(progbar, progbar_val, status_str);
2152 progbar_nextstep += progbar_quantum;
2156 /* Well, the user decided to abort the filtering. Just stop.
2158 XXX - go back to the previous filter? Users probably just
2159 want not to wait for a filtering operation to finish;
2160 unless we cancel by having no filter, reverting to the
2161 previous filter will probably be even more expensive than
2162 continuing the filtering, as it involves going back to the
2163 beginning and filtering, and even with no filter we currently
2164 have to re-generate the entire clist, which is also expensive.
2166 I'm not sure what Network Monitor does, but it doesn't appear
2167 to give you an unfiltered display if you cancel. */
2174 /* Since all state for the frame was destroyed, mark the frame
2175 * as not visited, free the GSList referring to the state
2176 * data (the per-frame data itself was freed by
2177 * "init_dissection()"), and null out the GSList pointer.
2179 fdata->flags.visited = 0;
2180 frame_data_cleanup(fdata);
2183 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
2184 cf->pd, fdata->cap_len, &err, &err_info)) {
2185 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2186 cf_read_error_message(err, err_info), cf->filename);
2190 /* If the previous frame is displayed, and we haven't yet seen the
2191 selected frame, remember that frame - it's the closest one we've
2192 yet seen before the selected frame. */
2193 if (prev_row != -1 && !selected_frame_seen) {
2194 preceding_row = prev_row;
2195 preceding_frame = prev_frame;
2197 row = add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
2198 tap_flags, &cf->pseudo_header, cf->pd,
2200 add_to_packet_list);
2202 /* If this frame is displayed, and this is the first frame we've
2203 seen displayed after the selected frame, remember this frame -
2204 it's the closest one we've yet seen at or after the selected
2206 if (row != -1 && selected_frame_seen && following_row == -1) {
2207 following_row = row;
2208 following_frame = fdata;
2210 if (fdata == selected_frame) {
2212 selected_frame_seen = TRUE;
2215 /* Remember this row/frame - it'll be the previous row/frame
2216 on the next pass through the loop. */
2221 /* We are done redissecting the packet list. */
2222 cf->redissecting = FALSE;
2225 /* Clear out what remains of the visited flags and per-frame data
2228 XXX - that may cause various forms of bogosity when dissecting
2229 these frames, as they won't have been seen by this sequential
2230 pass, but the only alternative I see is to keep scanning them
2231 even though the user requested that the scan stop, and that
2232 would leave the user stuck with an Wireshark grinding on
2233 until it finishes. Should we just stick them with that? */
2234 for (; fdata != NULL; fdata = fdata->next) {
2235 fdata->flags.visited = 0;
2236 frame_data_cleanup(fdata);
2240 /* We're done filtering the packets; destroy the progress bar if it
2242 if (progbar != NULL)
2243 destroy_progress_dlg(progbar);
2245 /* Unfreeze the packet list. */
2248 if (selected_row == -1) {
2249 /* The selected frame didn't pass the filter. */
2250 if (selected_frame == NULL) {
2251 /* That's because there *was* no selected frame. Make the first
2252 displayed frame the current frame. */
2255 /* Find the nearest displayed frame to the selected frame (whether
2256 it's before or after that frame) and make that the current frame.
2257 If the next and previous displayed frames are equidistant from the
2258 selected frame, choose the next one. */
2259 g_assert(following_frame == NULL ||
2260 following_frame->num >= selected_frame->num);
2261 g_assert(preceding_frame == NULL ||
2262 preceding_frame->num <= selected_frame->num);
2263 if (following_frame == NULL) {
2264 /* No frame after the selected frame passed the filter, so we
2265 have to select the last displayed frame before the selected
2267 selected_row = preceding_row;
2268 } else if (preceding_frame == NULL) {
2269 /* No frame before the selected frame passed the filter, so we
2270 have to select the first displayed frame after the selected
2272 selected_row = following_row;
2274 /* Frames before and after the selected frame passed the filter, so
2275 we'll select the previous frame */
2276 selected_row = preceding_row;
2281 if (selected_row == -1) {
2282 /* There are no frames displayed at all. */
2283 cf_unselect_packet(cf);
2285 /* Either the frame that was selected passed the filter, or we've
2286 found the nearest displayed frame to that frame. Select it, make
2287 it the focus row, and make it visible. */
2288 if (selected_row == 0) {
2289 /* Set to invalid to force update of packet list and packet details */
2290 cf->current_row = -1;
2292 packet_list_set_selected_row(selected_row);
2295 /* Cleanup and release all dfilter resources */
2296 dfilter_free(dfcode);
2298 #endif /* NEW_PACKET_LIST */
2301 * Scan trough all frame data and recalculate the ref time
2302 * without rereading the file.
2303 * XXX - do we need a progres bar or is this fast enough?
2305 #ifdef NEW_PACKET_LIST
2307 ref_time_packets(capture_file *cf)
2311 nstime_set_unset(&first_ts);
2312 nstime_set_unset(&prev_dis_ts);
2313 nstime_set_unset(&prev_cap_ts);
2316 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2317 /* just add some value here until we know if it is being displayed or not */
2318 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
2320 /* If we don't have the time stamp of the first packet in the
2321 capture, it's because this is the first packet. Save the time
2322 stamp of this packet as the time stamp of the first packet. */
2323 if (nstime_is_unset(&first_ts)) {
2324 first_ts = fdata->abs_ts;
2326 /* if this frames is marked as a reference time frame, reset
2327 firstsec and firstusec to this frame */
2328 if(fdata->flags.ref_time){
2329 first_ts = fdata->abs_ts;
2332 /* If we don't have the time stamp of the previous displayed packet,
2333 it's because this is the first displayed packet. Save the time
2334 stamp of this packet as the time stamp of the previous displayed
2336 if (nstime_is_unset(&prev_dis_ts)) {
2337 prev_dis_ts = fdata->abs_ts;
2340 /* Get the time elapsed between the first packet and this packet. */
2341 nstime_delta(&fdata->rel_ts, &fdata->abs_ts, &first_ts);
2343 /* If it's greater than the current elapsed time, set the elapsed time
2344 to it (we check for "greater than" so as not to be confused by
2345 time moving backwards). */
2346 if ((gint32)cf->elapsed_time.secs < fdata->rel_ts.secs
2347 || ((gint32)cf->elapsed_time.secs == fdata->rel_ts.secs && (gint32)cf->elapsed_time.nsecs < fdata->rel_ts.nsecs)) {
2348 cf->elapsed_time = fdata->rel_ts;
2351 /* Get the time elapsed between the previous displayed packet and
2353 nstime_delta(&fdata->del_dis_ts, &fdata->abs_ts, &prev_dis_ts);
2355 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) ){
2356 /* This frame either passed the display filter list or is marked as
2357 a time reference frame. All time reference frames are displayed
2358 even if they dont pass the display filter */
2359 if(fdata->flags.ref_time){
2360 /* if this was a TIME REF frame we should reset the cul bytes field */
2361 cum_bytes = fdata->pkt_len;
2362 fdata->cum_bytes = cum_bytes;
2364 /* increase cum_bytes with this packets length */
2365 cum_bytes += fdata->pkt_len;
2379 process_specified_packets(capture_file *cf, packet_range_t *range,
2380 const char *string1, const char *string2, gboolean terminate_is_stop,
2381 gboolean (*callback)(capture_file *, frame_data *,
2382 union wtap_pseudo_header *, const guint8 *, void *),
2383 void *callback_args)
2388 union wtap_pseudo_header pseudo_header;
2389 guint8 pd[WTAP_MAX_PACKET_SIZE+1];
2390 psp_return_t ret = PSP_FINISHED;
2392 progdlg_t *progbar = NULL;
2395 gboolean progbar_stop_flag;
2396 GTimeVal progbar_start_time;
2397 gchar progbar_status_str[100];
2398 int progbar_nextstep;
2399 int progbar_quantum;
2400 range_process_e process_this;
2402 /* Update the progress bar when it gets to this value. */
2403 progbar_nextstep = 0;
2404 /* When we reach the value that triggers a progress bar update,
2405 bump that value by this amount. */
2406 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2407 /* Count of packets at which we've looked. */
2409 /* Progress so far. */
2412 progbar_stop_flag = FALSE;
2413 g_get_current_time(&progbar_start_time);
2415 packet_range_process_init(range);
2417 /* Iterate through the list of packets, printing the packets that
2418 were selected by the current display filter. */
2419 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2420 /* Create the progress bar if necessary.
2421 We check on every iteration of the loop, so that it takes no
2422 longer than the standard time to create it (otherwise, for a
2423 large file, we might take considerably longer than that standard
2424 time in order to get to the next progress bar step). */
2425 if (progbar == NULL)
2426 progbar = delayed_create_progress_dlg(string1, string2,
2429 &progbar_start_time,
2432 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2433 when we update it, we have to run the GTK+ main loop to get it
2434 to repaint what's pending, and doing so may involve an "ioctl()"
2435 to see if there's any pending input from an X server, and doing
2436 that for every packet can be costly, especially on a big file. */
2437 if (progbar_count >= progbar_nextstep) {
2438 /* let's not divide by zero. I should never be started
2439 * with count == 0, so let's assert that
2441 g_assert(cf->count > 0);
2442 progbar_val = (gfloat) progbar_count / cf->count;
2444 if (progbar != NULL) {
2445 g_snprintf(progbar_status_str, sizeof(progbar_status_str),
2446 "%4u of %u packets", progbar_count, cf->count);
2447 update_progress_dlg(progbar, progbar_val, progbar_status_str);
2450 progbar_nextstep += progbar_quantum;
2453 if (progbar_stop_flag) {
2454 /* Well, the user decided to abort the operation. Just stop,
2455 and arrange to return PSP_STOPPED to our caller, so they know
2456 it was stopped explicitly. */
2463 /* do we have to process this packet? */
2464 process_this = packet_range_process_packet(range, fdata);
2465 if (process_this == range_process_next) {
2466 /* this packet uninteresting, continue with next one */
2468 } else if (process_this == range_processing_finished) {
2469 /* all interesting packets processed, stop the loop */
2473 /* Get the packet */
2474 if (!wtap_seek_read(cf->wth, fdata->file_off, &pseudo_header,
2475 pd, fdata->cap_len, &err, &err_info)) {
2476 /* Attempt to get the packet failed. */
2477 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2478 cf_read_error_message(err, err_info), cf->filename);
2482 /* Process the packet */
2483 if (!callback(cf, fdata, &pseudo_header, pd, callback_args)) {
2484 /* Callback failed. We assume it reported the error appropriately. */
2490 /* We're done printing the packets; destroy the progress bar if
2492 if (progbar != NULL)
2493 destroy_progress_dlg(progbar);
2499 gboolean construct_protocol_tree;
2501 } retap_callback_args_t;
2504 retap_packet(capture_file *cf _U_, frame_data *fdata,
2505 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2508 retap_callback_args_t *args = argsp;
2511 epan_dissect_init(&edt, args->construct_protocol_tree, FALSE);
2512 tap_queue_init(&edt);
2513 epan_dissect_run(&edt, pseudo_header, pd, fdata, args->cinfo);
2514 tap_push_tapped_queue(&edt);
2515 epan_dissect_cleanup(&edt);
2521 cf_retap_packets(capture_file *cf)
2523 packet_range_t range;
2524 retap_callback_args_t callback_args;
2525 gboolean filtering_tap_listeners;
2528 /* Do we have any tap listeners with filters? */
2529 filtering_tap_listeners = have_filtering_tap_listeners();
2531 tap_flags = union_of_tap_listener_flags();
2533 /* If any tap listeners have filters, or require the protocol tree,
2534 construct the protocol tree. */
2535 callback_args.construct_protocol_tree = filtering_tap_listeners ||
2536 (tap_flags & TL_REQUIRES_PROTO_TREE);
2538 /* If any tap listeners require the columns, construct them. */
2539 callback_args.cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
2541 /* Reset the tap listeners. */
2542 reset_tap_listeners();
2544 /* Iterate through the list of packets, dissecting all packets and
2545 re-running the taps. */
2546 packet_range_init(&range);
2547 packet_range_process_init(&range);
2548 switch (process_specified_packets(cf, &range, "Recalculating statistics on",
2549 "all packets", TRUE, retap_packet,
2552 /* Completed successfully. */
2556 /* Well, the user decided to abort the refiltering.
2557 Return CF_READ_ABORTED so our caller knows they did that. */
2558 return CF_READ_ABORTED;
2561 /* Error while retapping. */
2562 return CF_READ_ERROR;
2565 g_assert_not_reached();
2570 print_args_t *print_args;
2571 gboolean print_header_line;
2572 char *header_line_buf;
2573 int header_line_buf_len;
2574 gboolean print_formfeed;
2575 gboolean print_separator;
2579 } print_callback_args_t;
2582 print_packet(capture_file *cf, frame_data *fdata,
2583 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2586 print_callback_args_t *args = argsp;
2593 gboolean proto_tree_needed;
2594 char bookmark_name[9+10+1]; /* "__frameNNNNNNNNNN__\0" */
2595 char bookmark_title[6+10+1]; /* "Frame NNNNNNNNNN__\0" */
2597 /* Create the protocol tree, and make it visible, if we're printing
2598 the dissection or the hex data.
2599 XXX - do we need it if we're just printing the hex data? */
2601 args->print_args->print_dissections != print_dissections_none || args->print_args->print_hex || have_custom_cols(&cf->cinfo);
2602 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2604 /* Fill in the column information if we're printing the summary
2606 if (args->print_args->print_summary) {
2607 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2608 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2610 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2612 if (args->print_formfeed) {
2613 if (!new_page(args->print_args->stream))
2616 if (args->print_separator) {
2617 if (!print_line(args->print_args->stream, 0, ""))
2623 * We generate bookmarks, if the output format supports them.
2624 * The name is "__frameN__".
2626 g_snprintf(bookmark_name, sizeof bookmark_name, "__frame%u__", fdata->num);
2628 if (args->print_args->print_summary) {
2629 if (args->print_header_line) {
2630 if (!print_line(args->print_args->stream, 0, args->header_line_buf))
2632 args->print_header_line = FALSE; /* we might not need to print any more */
2634 cp = &args->line_buf[0];
2636 for (i = 0; i < cf->cinfo.num_cols; i++) {
2637 /* Find the length of the string for this column. */
2638 column_len = (int) strlen(cf->cinfo.col_data[i]);
2639 if (args->col_widths[i] > column_len)
2640 column_len = args->col_widths[i];
2642 /* Make sure there's room in the line buffer for the column; if not,
2643 double its length. */
2644 line_len += column_len + 1; /* "+1" for space */
2645 if (line_len > args->line_buf_len) {
2646 cp_off = (int) (cp - args->line_buf);
2647 args->line_buf_len = 2 * line_len;
2648 args->line_buf = g_realloc(args->line_buf, args->line_buf_len + 1);
2649 cp = args->line_buf + cp_off;
2652 /* Right-justify the packet number column. */
2653 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2654 g_snprintf(cp, column_len+1, "%*s", args->col_widths[i], cf->cinfo.col_data[i]);
2656 g_snprintf(cp, column_len+1, "%-*s", args->col_widths[i], cf->cinfo.col_data[i]);
2658 if (i != cf->cinfo.num_cols - 1)
2664 * Generate a bookmark, using the summary line as the title.
2666 if (!print_bookmark(args->print_args->stream, bookmark_name,
2670 if (!print_line(args->print_args->stream, 0, args->line_buf))
2674 * Generate a bookmark, using "Frame N" as the title, as we're not
2675 * printing the summary line.
2677 g_snprintf(bookmark_title, sizeof bookmark_title, "Frame %u", fdata->num);
2678 if (!print_bookmark(args->print_args->stream, bookmark_name,
2681 } /* if (print_summary) */
2683 if (args->print_args->print_dissections != print_dissections_none) {
2684 if (args->print_args->print_summary) {
2685 /* Separate the summary line from the tree with a blank line. */
2686 if (!print_line(args->print_args->stream, 0, ""))
2690 /* Print the information in that tree. */
2691 if (!proto_tree_print(args->print_args, &edt, args->print_args->stream))
2694 /* Print a blank line if we print anything after this (aka more than one packet). */
2695 args->print_separator = TRUE;
2697 /* Print a header line if we print any more packet summaries */
2698 args->print_header_line = TRUE;
2701 if (args->print_args->print_hex) {
2702 /* Print the full packet data as hex. */
2703 if (!print_hex_data(args->print_args->stream, &edt))
2706 /* Print a blank line if we print anything after this (aka more than one packet). */
2707 args->print_separator = TRUE;
2709 /* Print a header line if we print any more packet summaries */
2710 args->print_header_line = TRUE;
2711 } /* if (args->print_args->print_dissections != print_dissections_none) */
2713 epan_dissect_cleanup(&edt);
2715 /* do we want to have a formfeed between each packet from now on? */
2716 if(args->print_args->print_formfeed) {
2717 args->print_formfeed = TRUE;
2723 epan_dissect_cleanup(&edt);
2728 cf_print_packets(capture_file *cf, print_args_t *print_args)
2731 print_callback_args_t callback_args;
2739 callback_args.print_args = print_args;
2740 callback_args.print_header_line = TRUE;
2741 callback_args.header_line_buf = NULL;
2742 callback_args.header_line_buf_len = 256;
2743 callback_args.print_formfeed = FALSE;
2744 callback_args.print_separator = FALSE;
2745 callback_args.line_buf = NULL;
2746 callback_args.line_buf_len = 256;
2747 callback_args.col_widths = NULL;
2749 if (!print_preamble(print_args->stream, cf->filename)) {
2750 destroy_print_stream(print_args->stream);
2751 return CF_PRINT_WRITE_ERROR;
2754 if (print_args->print_summary) {
2755 /* We're printing packet summaries. Allocate the header line buffer
2756 and get the column widths. */
2757 callback_args.header_line_buf = g_malloc(callback_args.header_line_buf_len + 1);
2759 /* Find the widths for each of the columns - maximum of the
2760 width of the title and the width of the data - and construct
2761 a buffer with a line containing the column titles. */
2762 callback_args.col_widths = (gint *) g_malloc(sizeof(gint) * cf->cinfo.num_cols);
2763 cp = &callback_args.header_line_buf[0];
2765 for (i = 0; i < cf->cinfo.num_cols; i++) {
2766 /* Don't pad the last column. */
2767 if (i == cf->cinfo.num_cols - 1)
2768 callback_args.col_widths[i] = 0;
2770 callback_args.col_widths[i] = (gint) strlen(cf->cinfo.col_title[i]);
2771 data_width = get_column_char_width(get_column_format(i));
2772 if (data_width > callback_args.col_widths[i])
2773 callback_args.col_widths[i] = data_width;
2776 /* Find the length of the string for this column. */
2777 column_len = (int) strlen(cf->cinfo.col_title[i]);
2778 if (callback_args.col_widths[i] > column_len)
2779 column_len = callback_args.col_widths[i];
2781 /* Make sure there's room in the line buffer for the column; if not,
2782 double its length. */
2783 line_len += column_len + 1; /* "+1" for space */
2784 if (line_len > callback_args.header_line_buf_len) {
2785 cp_off = (int) (cp - callback_args.header_line_buf);
2786 callback_args.header_line_buf_len = 2 * line_len;
2787 callback_args.header_line_buf = g_realloc(callback_args.header_line_buf,
2788 callback_args.header_line_buf_len + 1);
2789 cp = callback_args.header_line_buf + cp_off;
2792 /* Right-justify the packet number column. */
2793 /* if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2794 g_snprintf(cp, column_len+1, "%*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2796 g_snprintf(cp, column_len+1, "%-*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2798 if (i != cf->cinfo.num_cols - 1)
2803 /* Now start out the main line buffer with the same length as the
2804 header line buffer. */
2805 callback_args.line_buf_len = callback_args.header_line_buf_len;
2806 callback_args.line_buf = g_malloc(callback_args.line_buf_len + 1);
2807 } /* if (print_summary) */
2809 /* Iterate through the list of packets, printing the packets we were
2811 ret = process_specified_packets(cf, &print_args->range, "Printing",
2812 "selected packets", TRUE, print_packet,
2815 g_free(callback_args.header_line_buf);
2816 g_free(callback_args.line_buf);
2817 g_free(callback_args.col_widths);
2822 /* Completed successfully. */
2826 /* Well, the user decided to abort the printing.
2828 XXX - note that what got generated before they did that
2829 will get printed if we're piping to a print program; we'd
2830 have to write to a file and then hand that to the print
2831 program to make it actually not print anything. */
2835 /* Error while printing.
2837 XXX - note that what got generated before they did that
2838 will get printed if we're piping to a print program; we'd
2839 have to write to a file and then hand that to the print
2840 program to make it actually not print anything. */
2841 destroy_print_stream(print_args->stream);
2842 return CF_PRINT_WRITE_ERROR;
2845 if (!print_finale(print_args->stream)) {
2846 destroy_print_stream(print_args->stream);
2847 return CF_PRINT_WRITE_ERROR;
2850 if (!destroy_print_stream(print_args->stream))
2851 return CF_PRINT_WRITE_ERROR;
2857 write_pdml_packet(capture_file *cf _U_, frame_data *fdata,
2858 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2864 /* Create the protocol tree, but don't fill in the column information. */
2865 epan_dissect_init(&edt, TRUE, TRUE);
2866 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2868 /* Write out the information in that tree. */
2869 proto_tree_write_pdml(&edt, fh);
2871 epan_dissect_cleanup(&edt);
2877 cf_write_pdml_packets(capture_file *cf, print_args_t *print_args)
2882 fh = ws_fopen(print_args->file, "w");
2884 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2886 write_pdml_preamble(fh);
2889 return CF_PRINT_WRITE_ERROR;
2892 /* Iterate through the list of packets, printing the packets we were
2894 ret = process_specified_packets(cf, &print_args->range, "Writing PDML",
2895 "selected packets", TRUE,
2896 write_pdml_packet, fh);
2901 /* Completed successfully. */
2905 /* Well, the user decided to abort the printing. */
2909 /* Error while printing. */
2911 return CF_PRINT_WRITE_ERROR;
2914 write_pdml_finale(fh);
2917 return CF_PRINT_WRITE_ERROR;
2920 /* XXX - check for an error */
2927 write_psml_packet(capture_file *cf, frame_data *fdata,
2928 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2933 gboolean proto_tree_needed;
2935 /* Fill in the column information, only create the protocol tree
2936 if having custom columns. */
2937 proto_tree_needed = have_custom_cols(&cf->cinfo);
2938 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2939 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2940 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2942 /* Write out the information in that tree. */
2943 proto_tree_write_psml(&edt, fh);
2945 epan_dissect_cleanup(&edt);
2951 cf_write_psml_packets(capture_file *cf, print_args_t *print_args)
2956 fh = ws_fopen(print_args->file, "w");
2958 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2960 write_psml_preamble(fh);
2963 return CF_PRINT_WRITE_ERROR;
2966 /* Iterate through the list of packets, printing the packets we were
2968 ret = process_specified_packets(cf, &print_args->range, "Writing PSML",
2969 "selected packets", TRUE,
2970 write_psml_packet, fh);
2975 /* Completed successfully. */
2979 /* Well, the user decided to abort the printing. */
2983 /* Error while printing. */
2985 return CF_PRINT_WRITE_ERROR;
2988 write_psml_finale(fh);
2991 return CF_PRINT_WRITE_ERROR;
2994 /* XXX - check for an error */
3001 write_csv_packet(capture_file *cf, frame_data *fdata,
3002 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
3007 gboolean proto_tree_needed;
3009 /* Fill in the column information, only create the protocol tree
3010 if having custom columns. */
3011 proto_tree_needed = have_custom_cols(&cf->cinfo);
3012 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
3013 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
3014 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
3016 /* Write out the information in that tree. */
3017 proto_tree_write_csv(&edt, fh);
3019 epan_dissect_cleanup(&edt);
3025 cf_write_csv_packets(capture_file *cf, print_args_t *print_args)
3030 fh = ws_fopen(print_args->file, "w");
3032 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3034 write_csv_preamble(fh);
3037 return CF_PRINT_WRITE_ERROR;
3040 /* Iterate through the list of packets, printing the packets we were
3042 ret = process_specified_packets(cf, &print_args->range, "Writing CSV",
3043 "selected packets", TRUE,
3044 write_csv_packet, fh);
3049 /* Completed successfully. */
3053 /* Well, the user decided to abort the printing. */
3057 /* Error while printing. */
3059 return CF_PRINT_WRITE_ERROR;
3062 write_csv_finale(fh);
3065 return CF_PRINT_WRITE_ERROR;
3068 /* XXX - check for an error */
3075 write_carrays_packet(capture_file *cf _U_, frame_data *fdata,
3076 union wtap_pseudo_header *pseudo_header _U_,
3077 const guint8 *pd, void *argsp)
3081 proto_tree_write_carrays(pd, fdata->cap_len, fdata->num, fh);
3086 cf_write_carrays_packets(capture_file *cf, print_args_t *print_args)
3091 fh = ws_fopen(print_args->file, "w");
3094 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3096 write_carrays_preamble(fh);
3100 return CF_PRINT_WRITE_ERROR;
3103 /* Iterate through the list of packets, printing the packets we were
3105 ret = process_specified_packets(cf, &print_args->range,
3107 "selected packets", TRUE,
3108 write_carrays_packet, fh);
3111 /* Completed successfully. */
3114 /* Well, the user decided to abort the printing. */
3117 /* Error while printing. */
3119 return CF_PRINT_WRITE_ERROR;
3122 write_carrays_finale(fh);
3126 return CF_PRINT_WRITE_ERROR;
3133 #ifndef NEW_PACKET_LIST /* This function is not needed with the new packet list */
3135 /* Scan through the packet list and change all columns that use the
3136 "command-line-specified" time stamp format to use the current
3137 value of that format. */
3139 cf_change_time_formats(capture_file *cf)
3143 progdlg_t *progbar = NULL;
3148 GTimeVal start_time;
3149 gchar status_str[100];
3150 int progbar_nextstep;
3151 int progbar_quantum;
3152 gboolean sorted_by_frame_column;
3154 /* Adjust timestamp precision if auto is selected */
3155 cf_timestamp_auto_precision(cf);
3157 /* Are there any columns with time stamps in the "command-line-specified"
3160 XXX - we have to force the "column is writable" flag on, as it
3161 might be off from the last frame that was dissected. */
3162 col_set_writable(&cf->cinfo, TRUE);
3163 if (!check_col(&cf->cinfo, COL_CLS_TIME) &&
3164 !check_col(&cf->cinfo, COL_ABS_TIME) &&
3165 !check_col(&cf->cinfo, COL_ABS_DATE_TIME) &&
3166 !check_col(&cf->cinfo, COL_REL_TIME) &&
3167 !check_col(&cf->cinfo, COL_DELTA_TIME) &&
3168 !check_col(&cf->cinfo, COL_DELTA_TIME_DIS)) {
3169 /* No, there aren't any columns in that format, so we have no work
3174 /* Freeze the packet list while we redo it, so we don't get any
3175 screen updates while it happens. */
3176 packet_list_freeze();
3178 /* Update the progress bar when it gets to this value. */
3179 progbar_nextstep = 0;
3180 /* When we reach the value that triggers a progress bar update,
3181 bump that value by this amount. */
3182 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3183 /* Count of packets at which we've looked. */
3185 /* Progress so far. */
3188 /* If the rows are currently sorted by the frame column then we know
3189 * the row number of each packet: it's the row number of the previously
3190 * displayed packet + 1.
3192 * Otherwise, if the display is sorted by a different column then we have
3193 * to use the O(N) packet_list_find_row_from_data() (thus making the job
3194 * of changing the time display format O(N**2)).
3196 * (XXX - In fact it's still O(N**2) because gtk_clist_set_text() takes
3197 * the row number and walks that many elements down the clist to find
3198 * the appropriate element.)
3200 sorted_by_frame_column = FALSE;
3201 for (i = 0; i < cf->cinfo.num_cols; i++) {
3202 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
3204 sorted_by_frame_column = (i == packet_list_get_sort_column());
3210 g_get_current_time(&start_time);
3212 /* Iterate through the list of packets, checking whether the packet
3213 is in a row of the summary list and, if so, whether there are
3214 any columns that show the time in the "command-line-specified"
3215 format and, if so, update that row. */
3216 for (fdata = cf->plist_start, row = -1; fdata != NULL; fdata = fdata->next) {
3217 /* Create the progress bar if necessary.
3218 We check on every iteration of the loop, so that it takes no
3219 longer than the standard time to create it (otherwise, for a
3220 large file, we might take considerably longer than that standard
3221 time in order to get to the next progress bar step). */
3222 if (progbar == NULL)
3223 progbar = delayed_create_progress_dlg("Changing", "time display",
3224 TRUE, &stop_flag, &start_time, progbar_val);
3226 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3227 when we update it, we have to run the GTK+ main loop to get it
3228 to repaint what's pending, and doing so may involve an "ioctl()"
3229 to see if there's any pending input from an X server, and doing
3230 that for every packet can be costly, especially on a big file. */
3231 if (count >= progbar_nextstep) {
3232 /* let's not divide by zero. I should never be started
3233 * with count == 0, so let's assert that
3235 g_assert(cf->count > 0);
3237 progbar_val = (gfloat) count / cf->count;
3239 if (progbar != NULL) {
3240 g_snprintf(status_str, sizeof(status_str),
3241 "%4u of %u packets", count, cf->count);
3242 update_progress_dlg(progbar, progbar_val, status_str);
3245 progbar_nextstep += progbar_quantum;
3249 /* Well, the user decided to abort the redisplay. Just stop.
3251 XXX - this leaves the time field in the old format in
3252 frames we haven't yet processed. So it goes; should we
3253 simply not offer them the option of stopping? */
3259 /* Find what row this packet is in. */
3260 if (!sorted_by_frame_column) {
3261 /* This function is O(N), so we try to avoid using it... */
3262 row = packet_list_find_row_from_data(fdata);
3264 /* ...which we do by maintaining a count of packets that are
3265 being displayed (i.e., that have passed the display filter),
3266 and using the current value of that count as the row number
3267 (which is why we can only do it when the display is sorted
3268 by the frame number). */
3269 if (fdata->flags.passed_dfilter)
3276 /* This packet is in the summary list, on row "row". */
3278 for (i = 0; i < cf->cinfo.num_cols; i++) {
3279 if (col_has_time_fmt(&cf->cinfo, i)) {
3280 /* This is one of the columns that shows the time in
3281 "command-line-specified" format; update it. */
3282 cf->cinfo.col_buf[i][0] = '\0';
3283 col_set_fmt_time(fdata, &cf->cinfo, cf->cinfo.col_fmt[i], i);
3284 packet_list_set_text(row, i, cf->cinfo.col_data[i]);
3290 /* We're done redisplaying the packets; destroy the progress bar if it
3292 if (progbar != NULL)
3293 destroy_progress_dlg(progbar);
3295 /* Set the column widths of those columns that show the time in
3296 "command-line-specified" format. */
3297 for (i = 0; i < cf->cinfo.num_cols; i++) {
3298 if (col_has_time_fmt(&cf->cinfo, i)) {
3299 packet_list_set_time_width(cf->cinfo.col_fmt[i], i);
3303 /* Unfreeze the packet list. */
3306 #endif /* NEW_PACKET_LIST */
3313 gboolean frame_matched;
3317 cf_find_packet_protocol_tree(capture_file *cf, const char *string)
3321 mdata.string = string;
3322 mdata.string_len = strlen(string);
3323 return find_packet(cf, match_protocol_tree, &mdata);
3327 match_protocol_tree(capture_file *cf, frame_data *fdata, void *criterion)
3329 match_data *mdata = criterion;
3332 /* Construct the protocol tree, including the displayed text */
3333 epan_dissect_init(&edt, TRUE, TRUE);
3334 /* We don't need the column information */
3335 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3337 /* Iterate through all the nodes, seeing if they have text that matches. */
3339 mdata->frame_matched = FALSE;
3340 proto_tree_children_foreach(edt.tree, match_subtree_text, mdata);
3341 epan_dissect_cleanup(&edt);
3342 return mdata->frame_matched;
3346 match_subtree_text(proto_node *node, gpointer data)
3348 match_data *mdata = (match_data*) data;
3349 const gchar *string = mdata->string;
3350 size_t string_len = mdata->string_len;
3351 capture_file *cf = mdata->cf;
3352 field_info *fi = PNODE_FINFO(node);
3353 gchar label_str[ITEM_LABEL_LENGTH];
3360 g_assert(fi && "dissection with an invisible proto tree?");
3362 if (mdata->frame_matched) {
3363 /* We already had a match; don't bother doing any more work. */
3367 /* Don't match invisible entries. */
3368 if (PROTO_ITEM_IS_HIDDEN(node))
3371 /* was a free format label produced? */
3373 label_ptr = fi->rep->representation;
3375 /* no, make a generic label */
3376 label_ptr = label_str;
3377 proto_item_fill_label(fi, label_str);
3380 /* Does that label match? */
3381 label_len = strlen(label_ptr);
3382 for (i = 0; i < label_len; i++) {
3383 c_char = label_ptr[i];
3385 c_char = toupper(c_char);
3386 if (c_char == string[c_match]) {
3388 if (c_match == string_len) {
3389 /* No need to look further; we have a match */
3390 mdata->frame_matched = TRUE;
3397 /* Recurse into the subtree, if it exists */
3398 if (node->first_child != NULL)
3399 proto_tree_children_foreach(node, match_subtree_text, mdata);
3403 cf_find_packet_summary_line(capture_file *cf, const char *string)
3407 mdata.string = string;
3408 mdata.string_len = strlen(string);
3409 return find_packet(cf, match_summary_line, &mdata);
3413 match_summary_line(capture_file *cf, frame_data *fdata, void *criterion)
3415 match_data *mdata = criterion;
3416 const gchar *string = mdata->string;
3417 size_t string_len = mdata->string_len;
3419 const char *info_column;
3420 size_t info_column_len;
3421 gboolean frame_matched = FALSE;
3427 /* Don't bother constructing the protocol tree */
3428 epan_dissect_init(&edt, FALSE, FALSE);
3429 /* Get the column information */
3430 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, &cf->cinfo);
3432 /* Find the Info column */
3433 for (colx = 0; colx < cf->cinfo.num_cols; colx++) {
3434 if (cf->cinfo.fmt_matx[colx][COL_INFO]) {
3435 /* Found it. See if we match. */
3436 info_column = edt.pi.cinfo->col_data[colx];
3437 info_column_len = strlen(info_column);
3438 for (i = 0; i < info_column_len; i++) {
3439 c_char = info_column[i];
3441 c_char = toupper(c_char);
3442 if (c_char == string[c_match]) {
3444 if (c_match == string_len) {
3445 frame_matched = TRUE;
3454 epan_dissect_cleanup(&edt);
3455 return frame_matched;
3461 } cbs_t; /* "Counted byte string" */
3464 cf_find_packet_data(capture_file *cf, const guint8 *string, size_t string_size)
3469 info.data_len = string_size;
3471 /* String or hex search? */
3473 /* String search - what type of string? */
3474 switch (cf->scs_type) {
3476 case SCS_ASCII_AND_UNICODE:
3477 return find_packet(cf, match_ascii_and_unicode, &info);
3480 return find_packet(cf, match_ascii, &info);
3483 return find_packet(cf, match_unicode, &info);
3486 g_assert_not_reached();
3490 return find_packet(cf, match_binary, &info);
3494 match_ascii_and_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3496 cbs_t *info = criterion;
3497 const guint8 *ascii_text = info->data;
3498 size_t textlen = info->data_len;
3499 gboolean frame_matched;
3505 frame_matched = FALSE;
3506 buf_len = fdata->pkt_len;
3507 for (i = 0; i < buf_len; i++) {
3510 c_char = toupper(c_char);
3512 if (c_char == ascii_text[c_match]) {
3514 if (c_match == textlen) {
3515 frame_matched = TRUE;
3516 cf->search_pos = i; /* Save the position of the last character
3517 for highlighting the field. */
3524 return frame_matched;
3528 match_ascii(capture_file *cf, frame_data *fdata, void *criterion)
3530 cbs_t *info = criterion;
3531 const guint8 *ascii_text = info->data;
3532 size_t textlen = info->data_len;
3533 gboolean frame_matched;
3539 frame_matched = FALSE;
3540 buf_len = fdata->pkt_len;
3541 for (i = 0; i < buf_len; i++) {
3544 c_char = toupper(c_char);
3545 if (c_char == ascii_text[c_match]) {
3547 if (c_match == textlen) {
3548 frame_matched = TRUE;
3549 cf->search_pos = i; /* Save the position of the last character
3550 for highlighting the field. */
3556 return frame_matched;
3560 match_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3562 cbs_t *info = criterion;
3563 const guint8 *ascii_text = info->data;
3564 size_t textlen = info->data_len;
3565 gboolean frame_matched;
3571 frame_matched = FALSE;
3572 buf_len = fdata->pkt_len;
3573 for (i = 0; i < buf_len; i++) {
3576 c_char = toupper(c_char);
3577 if (c_char == ascii_text[c_match]) {
3580 if (c_match == textlen) {
3581 frame_matched = TRUE;
3582 cf->search_pos = i; /* Save the position of the last character
3583 for highlighting the field. */
3589 return frame_matched;
3593 match_binary(capture_file *cf, frame_data *fdata, void *criterion)
3595 cbs_t *info = criterion;
3596 const guint8 *binary_data = info->data;
3597 size_t datalen = info->data_len;
3598 gboolean frame_matched;
3603 frame_matched = FALSE;
3604 buf_len = fdata->pkt_len;
3605 for (i = 0; i < buf_len; i++) {
3606 if (cf->pd[i] == binary_data[c_match]) {
3608 if (c_match == datalen) {
3609 frame_matched = TRUE;
3610 cf->search_pos = i; /* Save the position of the last character
3611 for highlighting the field. */
3617 return frame_matched;
3621 cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode)
3623 return find_packet(cf, match_dfilter, sfcode);
3627 match_dfilter(capture_file *cf, frame_data *fdata, void *criterion)
3629 dfilter_t *sfcode = criterion;
3631 gboolean frame_matched;
3633 epan_dissect_init(&edt, TRUE, FALSE);
3634 epan_dissect_prime_dfilter(&edt, sfcode);
3635 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3636 frame_matched = dfilter_apply_edt(sfcode, &edt);
3637 epan_dissect_cleanup(&edt);
3638 return frame_matched;
3642 find_packet(capture_file *cf,
3643 gboolean (*match_function)(capture_file *, frame_data *, void *),
3646 frame_data *start_fd;
3648 frame_data *new_fd = NULL;
3649 progdlg_t *progbar = NULL;
3656 GTimeVal start_time;
3657 gchar status_str[100];
3658 int progbar_nextstep;
3659 int progbar_quantum;
3662 start_fd = cf->current_frame;
3663 if (start_fd != NULL) {
3664 /* Iterate through the list of packets, starting at the packet we've
3665 picked, calling a routine to run the filter on the packet, see if
3666 it matches, and stop if so. */
3670 /* Update the progress bar when it gets to this value. */
3671 progbar_nextstep = 0;
3672 /* When we reach the value that triggers a progress bar update,
3673 bump that value by this amount. */
3674 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3675 /* Progress so far. */
3679 g_get_current_time(&start_time);
3682 title = cf->sfilter?cf->sfilter:"";
3684 /* Create the progress bar if necessary.
3685 We check on every iteration of the loop, so that it takes no
3686 longer than the standard time to create it (otherwise, for a
3687 large file, we might take considerably longer than that standard
3688 time in order to get to the next progress bar step). */
3689 if (progbar == NULL)
3690 progbar = delayed_create_progress_dlg("Searching", title,
3691 FALSE, &stop_flag, &start_time, progbar_val);
3693 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3694 when we update it, we have to run the GTK+ main loop to get it
3695 to repaint what's pending, and doing so may involve an "ioctl()"
3696 to see if there's any pending input from an X server, and doing
3697 that for every packet can be costly, especially on a big file. */
3698 if (count >= progbar_nextstep) {
3699 /* let's not divide by zero. I should never be started
3700 * with count == 0, so let's assert that
3702 g_assert(cf->count > 0);
3704 progbar_val = (gfloat) count / cf->count;
3706 if (progbar != NULL) {
3707 g_snprintf(status_str, sizeof(status_str),
3708 "%4u of %u packets", count, cf->count);
3709 update_progress_dlg(progbar, progbar_val, status_str);
3712 progbar_nextstep += progbar_quantum;
3716 /* Well, the user decided to abort the search. Go back to the
3717 frame where we started. */
3722 /* Go past the current frame. */
3723 if (cf->sbackward) {
3724 /* Go on to the previous frame. */
3725 fdata = fdata->prev;
3726 if (fdata == NULL) {
3728 * XXX - other apps have a bit more of a detailed message
3729 * for this, and instead of offering "OK" and "Cancel",
3730 * they offer things such as "Continue" and "Cancel";
3731 * we need an API for popping up alert boxes with
3732 * {Verb} and "Cancel".
3735 if (prefs.gui_find_wrap)
3737 simple_status("Search reached the beginning. Continuing at end.");
3738 fdata = cf->plist_end; /* wrap around */
3742 simple_status("Search reached the beginning.");
3743 fdata = start_fd; /* stay on previous packet */
3747 /* Go on to the next frame. */
3748 fdata = fdata->next;
3749 if (fdata == NULL) {
3750 if (prefs.gui_find_wrap)
3752 simple_status("Search reached the end. Continuing at beginning.");
3753 fdata = cf->plist_start; /* wrap around */
3757 simple_status("Search reached the end.");
3758 fdata = start_fd; /* stay on previous packet */
3765 /* Is this packet in the display? */
3766 if (fdata->flags.passed_dfilter) {
3767 /* Yes. Load its data. */
3768 if (!wtap_seek_read(cf->wth, fdata->file_off, &cf->pseudo_header,
3769 cf->pd, fdata->cap_len, &err, &err_info)) {
3770 /* Read error. Report the error, and go back to the frame
3771 where we started. */
3772 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
3773 cf_read_error_message(err, err_info), cf->filename);
3778 /* Does it match the search criterion? */
3779 if ((*match_function)(cf, fdata, criterion)) {
3781 break; /* found it! */
3785 if (fdata == start_fd) {
3786 /* We're back to the frame we were on originally, and that frame
3787 doesn't match the search filter. The search failed. */
3792 /* We're done scanning the packets; destroy the progress bar if it
3794 if (progbar != NULL)
3795 destroy_progress_dlg(progbar);
3798 if (new_fd != NULL) {
3799 #ifdef NEW_PACKET_LIST
3800 /* Find and select */
3801 row = new_packet_list_find_row_from_data(fdata, TRUE);
3803 /* We found a frame. Find what row it's in. */
3804 row = packet_list_find_row_from_data(new_fd);
3805 #endif /* NEW_PACKET_LIST */
3807 /* We didn't find a row even though we know that a frame
3808 * exists that satifies the search criteria. This means that the
3809 * frame isn't being displayed currently so we can't select it. */
3810 simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
3811 "%sEnd of capture exceeded!%s\n\n"
3812 "The capture file is probably not fully loaded.",
3813 simple_dialog_primary_start(), simple_dialog_primary_end());
3817 #ifndef NEW_PACKET_LIST
3818 /* Select that row, make it the focus row, and make it visible. */
3819 packet_list_set_selected_row(row);
3820 #endif /* NEW_PACKET_LIST */
3821 return TRUE; /* success */
3823 return FALSE; /* failure */
3827 cf_goto_frame(capture_file *cf, guint fnumber)
3832 for (fdata = cf->plist_start; fdata != NULL && fdata->num < fnumber; fdata = fdata->next)
3835 if (fdata == NULL) {
3836 /* we didn't find a packet with that packet number */
3837 simple_status("There is no packet number %u.", fnumber);
3838 return FALSE; /* we failed to go to that packet */
3840 if (!fdata->flags.passed_dfilter) {
3841 /* that packet currently isn't displayed */
3842 /* XXX - add it to the set of displayed packets? */
3843 simple_status("Packet number %u isn't displayed.", fnumber);
3844 return FALSE; /* we failed to go to that packet */
3847 #ifdef NEW_PACKET_LIST
3848 row = new_packet_list_find_row_from_data(fdata, TRUE);
3850 /* We found that packet, and it's currently being displayed.
3851 Find what row it's in. */
3852 row = packet_list_find_row_from_data(fdata);
3853 g_assert(row != -1);
3855 /* Select that row, make it the focus row, and make it visible. */
3856 packet_list_set_selected_row(row);
3857 #endif /* NEW_PACKET_LIST */
3858 return TRUE; /* we got to that packet */
3862 cf_goto_top_frame(capture_file *cf _U_)
3864 #ifdef NEW_PACKET_LIST
3865 /* Find and select */
3866 new_packet_list_select_first_row();
3870 frame_data *lowest_fdata = NULL;
3872 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3873 if (fdata->flags.passed_dfilter) {
3874 lowest_fdata = fdata;
3879 if (lowest_fdata == NULL) {
3883 /* We found that packet, and it's currently being displayed.
3884 Find what row it's in. */
3885 row = packet_list_find_row_from_data(lowest_fdata);
3886 g_assert(row != -1);
3888 /* Select that row, make it the focus row, and make it visible. */
3889 packet_list_set_selected_row(row);
3890 #endif /* NEW_PACKET_LIST */
3891 return TRUE; /* we got to that packet */
3895 cf_goto_bottom_frame(capture_file *cf _U_) /* cf is unused w/ NEW_PACKET_LIST */
3897 #ifdef NEW_PACKET_LIST
3898 /* Find and select */
3899 new_packet_list_select_last_row();
3903 frame_data *highest_fdata = NULL;
3905 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3906 if (fdata->flags.passed_dfilter) {
3907 highest_fdata = fdata;
3911 if (highest_fdata == NULL) {
3915 /* We found that packet, and it's currently being displayed.
3916 Find what row it's in. */
3917 row = packet_list_find_row_from_data(highest_fdata);
3918 g_assert(row != -1);
3920 /* Select that row, make it the focus row, and make it visible. */
3921 packet_list_set_selected_row(row);
3922 #endif /* NEW_PACKET_LIST */
3923 return TRUE; /* we got to that packet */
3927 * Go to frame specified by currently selected protocol tree item.
3930 cf_goto_framenum(capture_file *cf)
3932 header_field_info *hfinfo;
3935 if (cf->finfo_selected) {
3936 hfinfo = cf->finfo_selected->hfinfo;
3938 if (hfinfo->type == FT_FRAMENUM) {
3939 framenum = fvalue_get_uinteger(&cf->finfo_selected->value);
3941 return cf_goto_frame(cf, framenum);
3948 /* Select the packet on a given row. */
3950 cf_select_packet(capture_file *cf, int row)
3956 /* Get the frame data struct pointer for this frame */
3957 #ifdef NEW_PACKET_LIST
3958 fdata = new_packet_list_get_row_data(row);
3960 fdata = (frame_data *)packet_list_get_row_data(row);
3963 if (fdata == NULL) {
3964 /* XXX - if a GtkCList's selection mode is GTK_SELECTION_BROWSE, when
3965 the first entry is added to it by "real_insert_row()", that row
3966 is selected (see "real_insert_row()", in "gtk/gtkclist.c", in both
3967 our version and the vanilla GTK+ version).
3969 This means that a "select-row" signal is emitted; this causes
3970 "packet_list_select_cb()" to be called, which causes "cf_select_packet()"
3973 "cf_select_packet()" fetches, above, the data associated with the
3974 row that was selected; however, as "gtk_clist_append()", which
3975 called "real_insert_row()", hasn't yet returned, we haven't yet
3976 associated any data with that row, so we get back a null pointer.
3978 We can't assume that there's only one frame in the frame list,
3979 either, as we may be filtering the display.
3981 We therefore assume that, if "row" is 0, i.e. the first row
3982 is being selected, and "cf->first_displayed" equals
3983 "cf->last_displayed", i.e. there's only one frame being
3984 displayed, that frame is the frame we want.
3986 This means we have to set "cf->first_displayed" and
3987 "cf->last_displayed" before adding the row to the
3988 GtkCList; see the comment in "add_packet_to_packet_list()". */
3990 if (row == 0 && cf->first_displayed == cf->last_displayed)
3991 fdata = cf->first_displayed;
3994 /* If fdata _still_ isn't set simply give up. */
3995 if (fdata == NULL) {
3999 /* Get the data in that frame. */
4000 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
4001 cf->pd, fdata->cap_len, &err, &err_info)) {
4002 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4003 cf_read_error_message(err, err_info), cf->filename);
4007 /* Record that this frame is the current frame. */
4008 cf->current_frame = fdata;
4009 cf->current_row = row;
4011 /* Create the logical protocol tree. */
4012 if (cf->edt != NULL)
4013 epan_dissect_free(cf->edt);
4015 /* We don't need the columns here. */
4016 cf->edt = epan_dissect_new(TRUE, TRUE);
4018 tap_build_interesting(cf->edt);
4019 epan_dissect_run(cf->edt, &cf->pseudo_header, cf->pd, cf->current_frame,
4022 dfilter_macro_build_ftv_cache(cf->edt->tree);
4024 cf_callback_invoke(cf_cb_packet_selected, cf);
4027 /* Unselect the selected packet, if any. */
4029 cf_unselect_packet(capture_file *cf)
4031 /* Destroy the epan_dissect_t for the unselected packet. */
4032 if (cf->edt != NULL) {
4033 epan_dissect_free(cf->edt);
4037 /* No packet is selected. */
4038 cf->current_frame = NULL;
4039 cf->current_row = 0;
4041 cf_callback_invoke(cf_cb_packet_unselected, cf);
4043 /* No protocol tree means no selected field. */
4044 cf_unselect_field(cf);
4047 /* Unset the selected protocol tree field, if any. */
4049 cf_unselect_field(capture_file *cf)
4051 cf->finfo_selected = NULL;
4053 cf_callback_invoke(cf_cb_field_unselected, cf);
4057 * Mark a particular frame.
4060 cf_mark_frame(capture_file *cf, frame_data *frame)
4062 if (! frame->flags.marked) {
4063 frame->flags.marked = TRUE;
4064 if (cf->count > cf->marked_count)
4070 * Unmark a particular frame.
4073 cf_unmark_frame(capture_file *cf, frame_data *frame)
4075 if (frame->flags.marked) {
4076 frame->flags.marked = FALSE;
4077 if (cf->marked_count > 0)
4083 * Ignore a particular frame.
4086 cf_ignore_frame(capture_file *cf, frame_data *frame)
4088 if (! frame->flags.ignored) {
4089 frame->flags.ignored = TRUE;
4090 if (cf->count > cf->ignored_count)
4091 cf->ignored_count++;
4096 * Un-ignore a particular frame.
4099 cf_unignore_frame(capture_file *cf, frame_data *frame)
4101 if (frame->flags.ignored) {
4102 frame->flags.ignored = FALSE;
4103 if (cf->ignored_count > 0)
4104 cf->ignored_count--;
4111 } save_callback_args_t;
4114 * Save a capture to a file, in a particular format, saving either
4115 * all packets, all currently-displayed packets, or all marked packets.
4117 * Returns TRUE if it succeeds, FALSE otherwise; if it fails, it pops
4118 * up a message box for the failure.
4121 save_packet(capture_file *cf _U_, frame_data *fdata,
4122 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
4125 save_callback_args_t *args = argsp;
4126 struct wtap_pkthdr hdr;
4129 /* init the wtap header for saving */
4130 hdr.ts.secs = fdata->abs_ts.secs;
4131 hdr.ts.nsecs = fdata->abs_ts.nsecs;
4132 hdr.caplen = fdata->cap_len;
4133 hdr.len = fdata->pkt_len;
4134 hdr.pkt_encap = fdata->lnk_t;
4136 /* and save the packet */
4137 if (!wtap_dump(args->pdh, &hdr, pseudo_header, pd, &err)) {
4138 cf_write_failure_alert_box(args->fname, err);
4145 * Can this capture file be saved in any format except by copying the raw data?
4148 cf_can_save_as(capture_file *cf)
4152 for (ft = 0; ft < WTAP_NUM_FILE_TYPES; ft++) {
4153 /* To save a file with Wiretap, Wiretap has to handle that format,
4154 and its code to handle that format must be able to write a file
4155 with this file's encapsulation type. */
4156 if (wtap_dump_can_open(ft) && wtap_dump_can_write_encap(ft, cf->lnk_t)) {
4157 /* OK, we can write it out in this type. */
4162 /* No, we couldn't save it in any format. */
4167 cf_save(capture_file *cf, const char *fname, packet_range_t *range, guint save_format, gboolean compressed)
4169 gchar *from_filename;
4173 save_callback_args_t callback_args;
4175 cf_callback_invoke(cf_cb_file_save_started, (gpointer)fname);
4177 /* don't write over an existing file. */
4178 /* this should've been already checked by our caller, just to be sure... */
4179 if (file_exists(fname)) {
4180 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4181 "%sCapture file: \"%s\" already exists!%s\n\n"
4182 "Please choose a different filename.",
4183 simple_dialog_primary_start(), fname, simple_dialog_primary_end());
4187 packet_range_process_init(range);
4189 if (packet_range_process_all(range) && save_format == cf->cd_t) {
4190 /* We're not filtering packets, and we're saving it in the format
4191 it's already in, so we can just move or copy the raw data. */
4193 if (cf->is_tempfile) {
4194 /* The file being saved is a temporary file from a live
4195 capture, so it doesn't need to stay around under that name;
4196 first, try renaming the capture buffer file to the new name. */
4198 if (ws_rename(cf->filename, fname) == 0) {
4199 /* That succeeded - there's no need to copy the source file. */
4200 from_filename = NULL;
4203 if (errno == EXDEV) {
4204 /* They're on different file systems, so we have to copy the
4207 from_filename = cf->filename;
4209 /* The rename failed, but not because they're on different
4210 file systems - put up an error message. (Or should we
4211 just punt and try to copy? The only reason why I'd
4212 expect the rename to fail and the copy to succeed would
4213 be if we didn't have permission to remove the file from
4214 the temporary directory, and that might be fixable - but
4215 is it worth requiring the user to go off and fix it?) */
4216 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4217 file_rename_error_message(errno), fname);
4223 from_filename = cf->filename;
4226 /* It's a permanent file, so we should copy it, and not remove the
4229 from_filename = cf->filename;
4233 /* Copy the file, if we haven't moved it. */
4234 if (!copy_file_binary_mode(from_filename, fname))
4238 /* Either we're filtering packets, or we're saving in a different
4239 format; we can't do that by copying or moving the capture file,
4240 we have to do it by writing the packets out in Wiretap. */
4241 pdh = wtap_dump_open(fname, save_format, cf->lnk_t, cf->snap,
4244 cf_open_failure_alert_box(fname, err, NULL, TRUE, save_format);
4248 /* XXX - we let the user save a subset of the packets.
4250 If we do that, should we make that file the current file? If so,
4251 it means we can no longer get at the other packets. What does
4254 /* Iterate through the list of packets, processing the packets we were
4257 XXX - we've already called "packet_range_process_init(range)", but
4258 "process_specified_packets()" will do it again. Fortunately,
4259 that's harmless in this case, as we haven't done anything to
4260 "range" since we initialized it. */
4261 callback_args.pdh = pdh;
4262 callback_args.fname = fname;
4263 switch (process_specified_packets(cf, range, "Saving", "selected packets",
4264 TRUE, save_packet, &callback_args)) {
4267 /* Completed successfully. */
4271 /* The user decided to abort the saving.
4272 XXX - remove the output file? */
4276 /* Error while saving. */
4277 wtap_dump_close(pdh, &err);
4281 if (!wtap_dump_close(pdh, &err)) {
4282 cf_close_failure_alert_box(fname, err);
4287 cf_callback_invoke(cf_cb_file_save_finished, NULL);
4289 if (packet_range_process_all(range)) {
4290 /* We saved the entire capture, not just some packets from it.
4291 Open and read the file we saved it to.
4293 XXX - this is somewhat of a waste; we already have the
4294 packets, all this gets us is updated file type information
4295 (which we could just stuff into "cf"), and having the new
4296 file be the one we have opened and from which we're reading
4297 the data, and it means we have to spend time opening and
4298 reading the file, which could be a significant amount of
4299 time if the file is large. */
4300 cf->user_saved = TRUE;
4302 if ((cf_open(cf, fname, FALSE, &err)) == CF_OK) {
4303 /* XXX - report errors if this fails?
4304 What should we return if it fails or is aborted? */
4306 switch (cf_read(cf, TRUE)) {
4310 /* Just because we got an error, that doesn't mean we were unable
4311 to read any of the file; we handle what we could get from the
4315 case CF_READ_ABORTED:
4316 /* The user bailed out of re-reading the capture file; the
4317 capture file has been closed - just return (without
4318 changing any menu settings; "cf_close()" set them
4319 correctly for the "no capture file open" state). */
4322 cf_callback_invoke(cf_cb_file_save_reload_finished, cf);
4328 cf_callback_invoke(cf_cb_file_save_failed, NULL);
4333 cf_open_failure_alert_box(const char *filename, int err, gchar *err_info,
4334 gboolean for_writing, int file_type)
4337 /* Wiretap error. */
4340 case WTAP_ERR_NOT_REGULAR_FILE:
4341 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4342 "The file \"%s\" is a \"special file\" or socket or other non-regular file.",
4346 case WTAP_ERR_RANDOM_OPEN_PIPE:
4347 /* Seen only when opening a capture file for reading. */
4348 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4349 "The file \"%s\" is a pipe or FIFO; Wireshark can't read pipe or FIFO files.",
4353 case WTAP_ERR_FILE_UNKNOWN_FORMAT:
4354 /* Seen only when opening a capture file for reading. */
4355 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4356 "The file \"%s\" isn't a capture file in a format Wireshark understands.",
4360 case WTAP_ERR_UNSUPPORTED:
4361 /* Seen only when opening a capture file for reading. */
4362 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4363 "The file \"%s\" isn't a capture file in a format Wireshark understands.\n"
4365 filename, err_info);
4369 case WTAP_ERR_CANT_WRITE_TO_PIPE:
4370 /* Seen only when opening a capture file for writing. */
4371 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4372 "The file \"%s\" is a pipe, and %s capture files can't be "
4373 "written to a pipe.",
4374 filename, wtap_file_type_string(file_type));
4377 case WTAP_ERR_UNSUPPORTED_FILE_TYPE:
4378 /* Seen only when opening a capture file for writing. */
4379 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4380 "Wireshark doesn't support writing capture files in that format.");
4383 case WTAP_ERR_UNSUPPORTED_ENCAP:
4385 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4386 "Wireshark can't save this capture in that format.");
4388 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4389 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.\n"
4391 filename, err_info);
4396 case WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED:
4398 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4399 "Wireshark can't save this capture in that format.");
4401 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4402 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.",
4407 case WTAP_ERR_BAD_RECORD:
4408 /* Seen only when opening a capture file for reading. */
4409 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4410 "The file \"%s\" appears to be damaged or corrupt.\n"
4412 filename, err_info);
4416 case WTAP_ERR_CANT_OPEN:
4418 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4419 "The file \"%s\" could not be created for some unknown reason.",
4422 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4423 "The file \"%s\" could not be opened for some unknown reason.",
4428 case WTAP_ERR_SHORT_READ:
4429 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4430 "The file \"%s\" appears to have been cut short"
4431 " in the middle of a packet or other data.",
4435 case WTAP_ERR_SHORT_WRITE:
4436 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4437 "A full header couldn't be written to the file \"%s\".",
4441 case WTAP_ERR_COMPRESSION_NOT_SUPPORTED:
4442 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4443 "Gzip compression not supported by this file type.");
4447 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4448 "The file \"%s\" could not be %s: %s.",
4450 for_writing ? "created" : "opened",
4451 wtap_strerror(err));
4456 open_failure_alert_box(filename, err, for_writing);
4461 file_rename_error_message(int err)
4464 static char errmsg_errno[1024+1];
4469 errmsg = "The path to the file \"%s\" doesn't exist.";
4473 errmsg = "You don't have permission to move the capture file to \"%s\".";
4477 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4478 "The file \"%%s\" could not be moved: %s.",
4479 wtap_strerror(err));
4480 errmsg = errmsg_errno;
4487 cf_read_error_message(int err, gchar *err_info)
4489 static char errmsg_errno[1024+1];
4493 case WTAP_ERR_UNSUPPORTED_ENCAP:
4494 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4495 "The file \"%%s\" has a packet with a network type that Wireshark doesn't support.\n(%s)",
4500 case WTAP_ERR_BAD_RECORD:
4501 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4502 "An error occurred while reading from the file \"%%s\": %s.\n(%s)",
4503 wtap_strerror(err), err_info);
4508 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4509 "An error occurred while reading from the file \"%%s\": %s.",
4510 wtap_strerror(err));
4513 return errmsg_errno;
4517 cf_write_failure_alert_box(const char *filename, int err)
4520 /* Wiretap error. */
4521 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4522 "An error occurred while writing to the file \"%s\": %s.",
4523 filename, wtap_strerror(err));
4526 write_failure_alert_box(filename, err);
4530 /* Check for write errors - if the file is being written to an NFS server,
4531 a write error may not show up until the file is closed, as NFS clients
4532 might not send writes to the server until the "write()" call finishes,
4533 so that the write may fail on the server but the "write()" may succeed. */
4535 cf_close_failure_alert_box(const char *filename, int err)
4538 /* Wiretap error. */
4541 case WTAP_ERR_CANT_CLOSE:
4542 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4543 "The file \"%s\" couldn't be closed for some unknown reason.",
4547 case WTAP_ERR_SHORT_WRITE:
4548 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4549 "Not all the packets could be written to the file \"%s\".",
4554 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4555 "An error occurred while closing the file \"%s\": %s.",
4556 filename, wtap_strerror(err));
4561 We assume that a close error from the OS is really a write error. */
4562 write_failure_alert_box(filename, err);
4566 /* Reload the current capture file. */
4568 cf_reload(capture_file *cf) {
4570 gboolean is_tempfile;
4573 /* If the file could be opened, "cf_open()" calls "cf_close()"
4574 to get rid of state for the old capture file before filling in state
4575 for the new capture file. "cf_close()" will remove the file if
4576 it's a temporary file; we don't want that to happen (for one thing,
4577 it'd prevent subsequent reopens from working). Remember whether it's
4578 a temporary file, mark it as not being a temporary file, and then
4579 reopen it as the type of file it was.
4581 Also, "cf_close()" will free "cf->filename", so we must make
4582 a copy of it first. */
4583 filename = g_strdup(cf->filename);
4584 is_tempfile = cf->is_tempfile;
4585 cf->is_tempfile = FALSE;
4586 if (cf_open(cf, filename, is_tempfile, &err) == CF_OK) {
4587 switch (cf_read(cf, FALSE)) {
4591 /* Just because we got an error, that doesn't mean we were unable
4592 to read any of the file; we handle what we could get from the
4596 case CF_READ_ABORTED:
4597 /* The user bailed out of re-reading the capture file; the
4598 capture file has been closed - just free the capture file name
4599 string and return (without changing the last containing
4605 /* The open failed, so "cf->is_tempfile" wasn't set to "is_tempfile".
4606 Instead, the file was left open, so we should restore "cf->is_tempfile"
4609 XXX - change the menu? Presumably "cf_open()" will do that;
4610 make sure it does! */
4611 cf->is_tempfile = is_tempfile;
4613 /* "cf_open()" made a copy of the file name we handed it, so
4614 we should free up our copy. */