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. */
1028 displayname = cf->source;
1030 displayname = "(Untitled)";
1036 void cf_set_tempfile_source(capture_file *cf, gchar *source) {
1042 cf->source = g_strdup(source);
1044 cf->source = g_strdup("");
1048 const gchar *cf_get_tempfile_source(capture_file *cf) {
1056 /* XXX - use a macro instead? */
1058 cf_get_packet_count(capture_file *cf)
1063 /* XXX - use a macro instead? */
1065 cf_set_packet_count(capture_file *cf, int packet_count)
1067 cf->count = packet_count;
1070 /* XXX - use a macro instead? */
1072 cf_is_tempfile(capture_file *cf)
1074 return cf->is_tempfile;
1077 void cf_set_tempfile(capture_file *cf, gboolean is_tempfile)
1079 cf->is_tempfile = is_tempfile;
1083 /* XXX - use a macro instead? */
1084 void cf_set_drops_known(capture_file *cf, gboolean drops_known)
1086 cf->drops_known = drops_known;
1089 /* XXX - use a macro instead? */
1090 void cf_set_drops(capture_file *cf, guint32 drops)
1095 /* XXX - use a macro instead? */
1096 gboolean cf_get_drops_known(capture_file *cf)
1098 return cf->drops_known;
1101 /* XXX - use a macro instead? */
1102 guint32 cf_get_drops(capture_file *cf)
1107 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode)
1109 cf->rfcode = rfcode;
1112 #ifdef NEW_PACKET_LIST
1114 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1115 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1117 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1119 gboolean add_to_packet_list)
1121 gboolean create_proto_tree = FALSE;
1126 cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
1128 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1129 &first_ts, &prev_dis_ts, &prev_cap_ts);
1132 + we have a display filter and are re-applying it;
1133 + we have tap listeners with filters;
1134 + we have tap listeners that require a protocol tree;
1136 allocate a protocol tree root node, so that we'll construct
1137 a protocol tree against which a filter expression can be
1139 if ((dfcode != NULL && refilter) ||
1140 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1141 create_proto_tree = TRUE;
1143 /* Dissect the frame. */
1144 epan_dissect_init(&edt, create_proto_tree, FALSE);
1146 if (dfcode != NULL && refilter) {
1147 epan_dissect_prime_dfilter(&edt, dfcode);
1150 tap_queue_init(&edt);
1151 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1152 tap_push_tapped_queue(&edt);
1154 /* If we have a display filter, apply it if we're refiltering, otherwise
1155 leave the "passed_dfilter" flag alone.
1157 If we don't have a display filter, set "passed_dfilter" to 1. */
1158 if (dfcode != NULL) {
1160 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1163 fdata->flags.passed_dfilter = 1;
1165 if (add_to_packet_list) {
1166 /* We fill the needed columns from new_packet_list */
1167 row = new_packet_list_append(cinfo, fdata, &edt.pi);
1170 if(fdata->flags.passed_dfilter || fdata->flags.ref_time)
1172 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1174 /* If we haven't yet seen the first frame, this is it.
1176 XXX - we must do this before we add the row to the display,
1177 as, if the display's GtkCList's selection mode is
1178 GTK_SELECTION_BROWSE, when the first entry is added to it,
1179 "cf_select_packet()" will be called, and it will fetch the row
1180 data for the 0th row, and will get a null pointer rather than
1181 "fdata", as "gtk_clist_append()" won't yet have returned and
1182 thus "gtk_clist_set_row_data()" won't yet have been called.
1184 We thus need to leave behind bread crumbs so that
1185 "cf_select_packet()" can find this frame. See the comment
1186 in "cf_select_packet()". */
1187 if (cf->first_displayed == NULL)
1188 cf->first_displayed = fdata;
1190 /* This is the last frame we've seen so far. */
1191 cf->last_displayed = fdata;
1193 cf->displayed_count++;
1196 epan_dissect_cleanup(&edt);
1203 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1204 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1206 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1208 gboolean add_to_packet_list _U_)
1210 gboolean create_proto_tree = FALSE;
1217 /* just add some value here until we know if it is being displayed or not */
1218 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
1220 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1221 &first_ts, &prev_dis_ts, &prev_cap_ts);
1225 we have a display filter and are re-applying it;
1227 we have a list of color filters;
1229 we have tap listeners with filters;
1231 we have tap listeners that require a protocol tree;
1233 we have custom columns;
1235 allocate a protocol tree root node, so that we'll construct
1236 a protocol tree against which a filter expression can be
1238 if ((dfcode != NULL && refilter) ||
1239 color_filters_used() ||
1240 have_custom_cols(cinfo) ||
1241 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1242 create_proto_tree = TRUE;
1244 /* Dissect the frame. */
1245 epan_dissect_init(&edt, create_proto_tree, FALSE);
1247 if (dfcode != NULL && refilter) {
1248 epan_dissect_prime_dfilter(&edt, dfcode);
1251 /* prepare color filters */
1252 color_filters_prime_edt(&edt);
1253 col_custom_prime_edt(&edt, cinfo);
1255 tap_queue_init(&edt);
1256 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1257 tap_push_tapped_queue(&edt);
1259 /* If we have a display filter, apply it if we're refiltering, otherwise
1260 leave the "passed_dfilter" flag alone.
1262 If we don't have a display filter, set "passed_dfilter" to 1. */
1263 if (dfcode != NULL) {
1265 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1268 fdata->flags.passed_dfilter = 1;
1270 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) )
1272 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1274 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
1276 /* If we haven't yet seen the first frame, this is it.
1278 XXX - we must do this before we add the row to the display,
1279 as, if the display's GtkCList's selection mode is
1280 GTK_SELECTION_BROWSE, when the first entry is added to it,
1281 "cf_select_packet()" will be called, and it will fetch the row
1282 data for the 0th row, and will get a null pointer rather than
1283 "fdata", as "gtk_clist_append()" won't yet have returned and
1284 thus "gtk_clist_set_row_data()" won't yet have been called.
1286 We thus need to leave behind bread crumbs so that
1287 "cf_select_packet()" can find this frame. See the comment
1288 in "cf_select_packet()". */
1289 if (cf->first_displayed == NULL)
1290 cf->first_displayed = fdata;
1292 /* This is the last frame we've seen so far. */
1293 cf->last_displayed = fdata;
1295 row = packet_list_append(cinfo->col_data, fdata);
1297 /* colorize packet: first apply color filters
1298 * then if packet is marked, use preferences to overwrite color
1299 * we do both to make sure that when a packet gets un-marked, the
1300 * color will be correctly set (fixes bug 2038)
1302 fdata->color_filter = color_filters_colorize_packet(row, &edt);
1303 if (fdata->flags.marked) {
1304 packet_list_set_colors(row, &prefs.gui_marked_fg, &prefs.gui_marked_bg);
1306 if (fdata->flags.ignored) {
1307 packet_list_set_colors(row, &prefs.gui_ignored_fg, &prefs.gui_ignored_bg);
1310 cf->displayed_count++;
1313 epan_dissect_cleanup(&edt);
1318 /* read in a new packet */
1319 /* returns the row of the new packet in the packet list or -1 if not displayed */
1321 read_packet(capture_file *cf, dfilter_t *dfcode,
1322 gboolean filtering_tap_listeners, guint tap_flags, gint64 offset)
1324 const struct wtap_pkthdr *phdr = wtap_phdr(cf->wth);
1325 union wtap_pseudo_header *pseudo_header = wtap_pseudoheader(cf->wth);
1326 const guchar *buf = wtap_buf_ptr(cf->wth);
1333 /* Allocate the next list entry, and add it to the list.
1334 * memory chunks have been deprecated in favor of the slice allocator,
1335 * which has been added in 2.10
1337 #if GLIB_CHECK_VERSION(2,10,0)
1338 fdata = g_slice_new(frame_data);
1340 fdata = g_mem_chunk_alloc(cf->plist_chunk);
1343 frame_data_init(fdata, cf->count, phdr, offset, cum_bytes);
1345 #ifdef NEW_PACKET_LIST
1346 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1347 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1353 epan_dissect_init(&edt, TRUE, FALSE);
1354 epan_dissect_prime_dfilter(&edt, cf->rfcode);
1355 epan_dissect_run(&edt, pseudo_header, buf, fdata, NULL);
1356 passed = dfilter_apply_edt(cf->rfcode, &edt);
1357 epan_dissect_cleanup(&edt);
1361 cap_file_add_fdata(cf, fdata);
1363 cf->f_datalen = offset + fdata->cap_len;
1365 if (!cf->redissecting) {
1366 row = add_packet_to_packet_list(fdata, cf, dfcode,
1367 filtering_tap_listeners, tap_flags,
1368 pseudo_header, buf, TRUE, TRUE);
1371 /* We didn't pass read filter so roll back count */
1374 /* XXX - if we didn't have read filters, or if we could avoid
1375 allocating the "frame_data" structure until we knew whether
1376 the frame passed the read filter, we could use a G_ALLOC_ONLY
1379 ...but, at least in one test I did, where I just made the chunk
1380 a G_ALLOC_ONLY chunk and read in a huge capture file, it didn't
1381 seem to save a noticeable amount of time or space. */
1382 #if GLIB_CHECK_VERSION(2,10,0)
1383 /* memory chunks have been deprecated in favor of the slice allocator,
1384 * which has been added in 2.10
1386 g_slice_free(frame_data,fdata);
1388 g_mem_chunk_free(cf->plist_chunk, fdata);
1396 cf_merge_files(char **out_filenamep, int in_file_count,
1397 char *const *in_filenames, int file_type, gboolean do_append)
1399 merge_in_file_t *in_files;
1405 int open_err, read_err, write_err, close_err;
1409 char errmsg_errno[1024+1];
1411 gboolean got_read_error = FALSE, got_write_error = FALSE;
1413 progdlg_t *progbar = NULL;
1415 gint64 f_len, file_pos;
1417 GTimeVal start_time;
1418 gchar status_str[100];
1419 gint64 progbar_nextstep;
1420 gint64 progbar_quantum;
1422 /* open the input files */
1423 if (!merge_open_in_files(in_file_count, in_filenames, &in_files,
1424 &open_err, &err_info, &err_fileno)) {
1426 cf_open_failure_alert_box(in_filenames[err_fileno], open_err, err_info,
1431 if (*out_filenamep != NULL) {
1432 out_filename = *out_filenamep;
1433 out_fd = ws_open(out_filename, O_CREAT|O_TRUNC|O_BINARY, 0600);
1437 out_fd = create_tempfile(&tmpname, "wireshark");
1440 out_filename = g_strdup(tmpname);
1441 *out_filenamep = out_filename;
1445 merge_close_in_files(in_file_count, in_files);
1447 cf_open_failure_alert_box(out_filename, open_err, NULL, TRUE, file_type);
1451 pdh = wtap_dump_fdopen(out_fd, file_type,
1452 merge_select_frame_type(in_file_count, in_files),
1453 merge_max_snapshot_length(in_file_count, in_files),
1454 FALSE /* compressed */, &open_err);
1457 merge_close_in_files(in_file_count, in_files);
1459 cf_open_failure_alert_box(out_filename, open_err, err_info, TRUE,
1464 /* Get the sum of the sizes of all the files. */
1466 for (i = 0; i < in_file_count; i++)
1467 f_len += in_files[i].size;
1469 /* Update the progress bar when it gets to this value. */
1470 progbar_nextstep = 0;
1471 /* When we reach the value that triggers a progress bar update,
1472 bump that value by this amount. */
1473 progbar_quantum = f_len/N_PROGBAR_UPDATES;
1474 /* Progress so far. */
1478 g_get_current_time(&start_time);
1480 /* do the merge (or append) */
1483 wth = merge_append_read_packet(in_file_count, in_files, &read_err,
1486 wth = merge_read_packet(in_file_count, in_files, &read_err,
1490 got_read_error = TRUE;
1494 /* Get the sum of the data offsets in all of the files. */
1496 for (i = 0; i < in_file_count; i++)
1497 data_offset += in_files[i].data_offset;
1499 /* Create the progress bar if necessary.
1500 We check on every iteration of the loop, so that it takes no
1501 longer than the standard time to create it (otherwise, for a
1502 large file, we might take considerably longer than that standard
1503 time in order to get to the next progress bar step). */
1504 if (progbar == NULL) {
1505 progbar = delayed_create_progress_dlg("Merging", "files",
1506 FALSE, &stop_flag, &start_time, progbar_val);
1509 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1510 when we update it, we have to run the GTK+ main loop to get it
1511 to repaint what's pending, and doing so may involve an "ioctl()"
1512 to see if there's any pending input from an X server, and doing
1513 that for every packet can be costly, especially on a big file. */
1514 if (data_offset >= progbar_nextstep) {
1515 /* Get the sum of the seek positions in all of the files. */
1517 for (i = 0; i < in_file_count; i++)
1518 file_pos += wtap_read_so_far(in_files[i].wth, NULL);
1519 progbar_val = (gfloat) file_pos / (gfloat) f_len;
1520 if (progbar_val > 1.0f) {
1521 /* Some file probably grew while we were reading it.
1522 That "shouldn't happen", so we'll just clip the progress
1526 if (progbar != NULL) {
1527 g_snprintf(status_str, sizeof(status_str),
1528 "%" G_GINT64_MODIFIER "dKB of %" G_GINT64_MODIFIER "dKB",
1529 file_pos / 1024, f_len / 1024);
1530 update_progress_dlg(progbar, progbar_val, status_str);
1532 progbar_nextstep += progbar_quantum;
1536 /* Well, the user decided to abort the merge. */
1540 if (!wtap_dump(pdh, wtap_phdr(wth), wtap_pseudoheader(wth),
1541 wtap_buf_ptr(wth), &write_err)) {
1542 got_write_error = TRUE;
1547 /* We're done merging the files; destroy the progress bar if it was created. */
1548 if (progbar != NULL)
1549 destroy_progress_dlg(progbar);
1551 merge_close_in_files(in_file_count, in_files);
1552 if (!got_read_error && !got_write_error) {
1553 if (!wtap_dump_close(pdh, &write_err))
1554 got_write_error = TRUE;
1556 wtap_dump_close(pdh, &close_err);
1558 if (got_read_error) {
1560 * Find the file on which we got the error, and report the error.
1562 for (i = 0; i < in_file_count; i++) {
1563 if (in_files[i].state == GOT_ERROR) {
1564 /* Put up a message box noting that a read failed somewhere along
1568 case WTAP_ERR_UNSUPPORTED_ENCAP:
1569 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1570 "The capture file %%s has a packet with a network type that Wireshark doesn't support.\n(%s)",
1573 errmsg = errmsg_errno;
1576 case WTAP_ERR_CANT_READ:
1577 errmsg = "An attempt to read from the capture file %s failed for"
1578 " some unknown reason.";
1581 case WTAP_ERR_SHORT_READ:
1582 errmsg = "The capture file %s appears to have been cut short"
1583 " in the middle of a packet.";
1586 case WTAP_ERR_BAD_RECORD:
1587 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1588 "The capture file %%s appears to be damaged or corrupt.\n(%s)",
1591 errmsg = errmsg_errno;
1595 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1596 "An error occurred while reading the"
1597 " capture file %%s: %s.", wtap_strerror(read_err));
1598 errmsg = errmsg_errno;
1601 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, errmsg, in_files[i].filename);
1606 if (got_write_error) {
1607 /* Put up an alert box for the write error. */
1608 cf_write_failure_alert_box(out_filename, write_err);
1611 if (got_read_error || got_write_error || stop_flag) {
1612 /* Callers aren't expected to treat an error or an explicit abort
1613 differently - we put up error dialogs ourselves, so they don't
1621 cf_filter_packets(capture_file *cf, gchar *dftext, gboolean force)
1623 const char *filter_new = dftext ? dftext : "";
1624 const char *filter_old = cf->dfilter ? cf->dfilter : "";
1626 GTimeVal start_time;
1628 /* if new filter equals old one, do nothing unless told to do so */
1629 if (!force && strcmp(filter_new, filter_old) == 0) {
1635 if (dftext == NULL) {
1636 /* The new filter is an empty filter (i.e., display all packets).
1637 * so leave dfcode==NULL
1641 * We have a filter; make a copy of it (as we'll be saving it),
1642 * and try to compile it.
1644 dftext = g_strdup(dftext);
1645 if (!dfilter_compile(dftext, &dfcode)) {
1646 /* The attempt failed; report an error. */
1647 gchar *safe_dftext = simple_dialog_format_message(dftext);
1648 gchar *safe_dfilter_error_msg = simple_dialog_format_message(
1650 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1653 "The following display filter isn't a valid display filter:\n%s\n"
1654 "See the help for a description of the display filter syntax.",
1655 simple_dialog_primary_start(), safe_dfilter_error_msg,
1656 simple_dialog_primary_end(), safe_dftext);
1657 g_free(safe_dfilter_error_msg);
1658 g_free(safe_dftext);
1664 if (dfcode == NULL) {
1665 /* Yes - free the filter text, and set it to null. */
1671 /* We have a valid filter. Replace the current filter. */
1672 g_free(cf->dfilter);
1673 cf->dfilter = dftext;
1674 g_get_current_time(&start_time);
1677 /* Now rescan the packet list, applying the new filter, but not
1678 throwing away information constructed on a previous pass. */
1679 if (dftext == NULL) {
1680 rescan_packets(cf, "Resetting", "Filter", TRUE, FALSE);
1682 rescan_packets(cf, "Filtering", dftext, TRUE, FALSE);
1685 /* Cleanup and release all dfilter resources */
1686 dfilter_free(dfcode);
1692 cf_colorize_packets(capture_file *cf)
1694 rescan_packets(cf, "Colorizing", "all packets", FALSE, FALSE);
1698 cf_reftime_packets(capture_file *cf)
1701 #ifdef NEW_PACKET_LIST
1702 ref_time_packets(cf);
1704 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1709 cf_redissect_packets(capture_file *cf)
1711 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1714 /* Rescan the list of packets, reconstructing the CList.
1716 "action" describes why we're doing this; it's used in the progress
1719 "action_item" describes what we're doing; it's used in the progress
1722 "refilter" is TRUE if we need to re-evaluate the filter expression.
1724 "redissect" is TRUE if we need to make the dissectors reconstruct
1725 any state information they have (because a preference that affects
1726 some dissector has changed, meaning some dissector might construct
1727 its state differently from the way it was constructed the last time). */
1728 #ifdef NEW_PACKET_LIST
1730 rescan_packets(capture_file *cf, const char *action, const char *action_item,
1731 gboolean refilter, gboolean redissect)
1733 /* Rescan packets new packet list */
1735 progdlg_t *progbar = NULL;
1740 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
1741 int selected_frame_num, preceding_frame_num, following_frame_num, prev_frame_num;
1742 gboolean selected_frame_seen;
1745 GTimeVal start_time;
1746 gchar status_str[100];
1747 int progbar_nextstep;
1748 int progbar_quantum;
1750 gboolean filtering_tap_listeners;
1752 gboolean add_to_packet_list = FALSE;
1755 /* Compile the current display filter.
1756 * We assume this will not fail since cf->dfilter is only set in
1757 * cf_filter IFF the filter was valid.
1759 compiled = dfilter_compile(cf->dfilter, &dfcode);
1760 g_assert(!cf->dfilter || (compiled && dfcode));
1762 /* Do we have any tap listeners with filters? */
1763 filtering_tap_listeners = have_filtering_tap_listeners();
1765 /* Get the union of the flags for all tap listeners. */
1766 tap_flags = union_of_tap_listener_flags();
1768 reset_tap_listeners();
1769 /* Which frame, if any, is the currently selected frame?
1770 XXX - should the selected frame or the focus frame be the "current"
1771 frame, that frame being the one from which "Find Frame" searches
1773 selected_frame = cf->current_frame;
1775 /* Mark frane num as not found */
1776 selected_frame_num = -1;
1778 /* Freeze the packet list while we redo it, so we don't get any
1779 screen updates while it happens. */
1780 new_packet_list_freeze();
1783 /* We need to re-initialize all the state information that protocols
1784 keep, because some preference that controls a dissector has changed,
1785 which might cause the state information to be constructed differently
1786 by that dissector. */
1788 /* We might receive new packets while redissecting, and we don't
1789 want to dissect those before their time. */
1790 cf->redissecting = TRUE;
1792 /* Cleanup all data structures used for dissection. */
1793 cleanup_dissection();
1794 /* Initialize all data structures used for dissection. */
1797 /* We need to redissect the packets so we have to discard our old
1798 * packet list store. */
1799 new_packet_list_clear();
1800 add_to_packet_list = TRUE;
1803 /* We don't yet know which will be the first and last frames displayed. */
1804 cf->first_displayed = NULL;
1805 cf->last_displayed = NULL;
1807 /* We currently don't display any packets */
1808 cf->displayed_count = 0;
1810 /* Iterate through the list of frames. Call a routine for each frame
1811 to check whether it should be displayed and, if so, add it to
1812 the display list. */
1813 nstime_set_unset(&first_ts);
1814 nstime_set_unset(&prev_dis_ts);
1815 nstime_set_unset(&prev_cap_ts);
1818 /* Update the progress bar when it gets to this value. */
1819 progbar_nextstep = 0;
1820 /* When we reach the value that triggers a progress bar update,
1821 bump that value by this amount. */
1822 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
1823 /* Count of packets at which we've looked. */
1825 /* Progress so far. */
1829 g_get_current_time(&start_time);
1831 /* no previous row yet */
1833 prev_frame_num = -1;
1836 preceding_frame_num = -1;
1837 preceding_frame = NULL;
1838 following_frame_num = -1;
1839 following_frame = NULL;
1841 selected_frame_seen = FALSE;
1843 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
1844 /* Create the progress bar if necessary.
1845 We check on every iteration of the loop, so that it takes no
1846 longer than the standard time to create it (otherwise, for a
1847 large file, we might take considerably longer than that standard
1848 time in order to get to the next progress bar step). */
1849 if (progbar == NULL)
1850 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
1851 &stop_flag, &start_time,
1854 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1855 when we update it, we have to run the GTK+ main loop to get it
1856 to repaint what's pending, and doing so may involve an "ioctl()"
1857 to see if there's any pending input from an X server, and doing
1858 that for every packet can be costly, especially on a big file. */
1859 if (count >= progbar_nextstep) {
1860 /* let's not divide by zero. I should never be started
1861 * with count == 0, so let's assert that
1863 g_assert(cf->count > 0);
1864 progbar_val = (gfloat) count / cf->count;
1866 if (progbar != NULL) {
1867 g_snprintf(status_str, sizeof(status_str),
1868 "%4u of %u frames", count, cf->count);
1869 update_progress_dlg(progbar, progbar_val, status_str);
1872 progbar_nextstep += progbar_quantum;
1876 /* Well, the user decided to abort the filtering. Just stop.
1878 XXX - go back to the previous filter? Users probably just
1879 want not to wait for a filtering operation to finish;
1880 unless we cancel by having no filter, reverting to the
1881 previous filter will probably be even more expensive than
1882 continuing the filtering, as it involves going back to the
1883 beginning and filtering, and even with no filter we currently
1884 have to re-generate the entire clist, which is also expensive.
1886 I'm not sure what Network Monitor does, but it doesn't appear
1887 to give you an unfiltered display if you cancel. */
1894 /* Since all state for the frame was destroyed, mark the frame
1895 * as not visited, free the GSList referring to the state
1896 * data (the per-frame data itself was freed by
1897 * "init_dissection()"), and null out the GSList pointer. */
1898 fdata->flags.visited = 0;
1899 frame_data_cleanup(fdata);
1901 /* cleanup_dissection() calls se_free_all();
1902 * And after that fdata->col_text (which is allocated using se_alloc0())
1903 * no longer points to valid memory.
1905 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1906 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1909 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
1910 cf->pd, fdata->cap_len, &err, &err_info)) {
1911 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1912 cf_read_error_message(err, err_info), cf->filename);
1916 /* If the previous frame is displayed, and we haven't yet seen the
1917 selected frame, remember that frame - it's the closest one we've
1918 yet seen before the selected frame. */
1919 if (prev_frame_num != -1 && !selected_frame_seen && prev_frame->flags.passed_dfilter) {
1920 preceding_frame_num = prev_frame_num;
1921 preceding_frame = prev_frame;
1923 add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
1924 tap_flags, &cf->pseudo_header, cf->pd,
1926 add_to_packet_list);
1928 /* If this frame is displayed, and this is the first frame we've
1929 seen displayed after the selected frame, remember this frame -
1930 it's the closest one we've yet seen at or after the selected
1932 if (fdata->flags.passed_dfilter && selected_frame_seen && following_frame_num == -1) {
1933 following_frame_num = fdata->num;
1934 following_frame = fdata;
1936 if (fdata == selected_frame) {
1937 selected_frame_seen = TRUE;
1938 if (fdata->flags.passed_dfilter)
1939 selected_frame_num = fdata->num;
1942 /* Remember this frame - it'll be the previous frame
1943 on the next pass through the loop. */
1944 prev_frame_num = fdata->num;
1948 /* We are done redissecting the packet list. */
1949 cf->redissecting = FALSE;
1952 /* Clear out what remains of the visited flags and per-frame data
1955 XXX - that may cause various forms of bogosity when dissecting
1956 these frames, as they won't have been seen by this sequential
1957 pass, but the only alternative I see is to keep scanning them
1958 even though the user requested that the scan stop, and that
1959 would leave the user stuck with an Wireshark grinding on
1960 until it finishes. Should we just stick them with that? */
1961 for (; fdata != NULL; fdata = fdata->next) {
1962 fdata->flags.visited = 0;
1963 frame_data_cleanup(fdata);
1967 /* We're done filtering the packets; destroy the progress bar if it
1969 if (progbar != NULL)
1970 destroy_progress_dlg(progbar);
1972 /* Unfreeze the packet list. */
1973 if (!add_to_packet_list)
1974 new_packet_list_recreate_visible_rows();
1976 /* Compute the time it took to filter the file */
1977 compute_elapsed(&start_time);
1979 new_packet_list_thaw();
1981 if (selected_frame_num == -1) {
1982 /* The selected frame didn't pass the filter. */
1983 if (selected_frame == NULL) {
1984 /* That's because there *was* no selected frame. Make the first
1985 displayed frame the current frame. */
1986 selected_frame_num = 0;
1988 /* Find the nearest displayed frame to the selected frame (whether
1989 it's before or after that frame) and make that the current frame.
1990 If the next and previous displayed frames are equidistant from the
1991 selected frame, choose the next one. */
1992 g_assert(following_frame == NULL ||
1993 following_frame->num >= selected_frame->num);
1994 g_assert(preceding_frame == NULL ||
1995 preceding_frame->num <= selected_frame->num);
1996 if (following_frame == NULL) {
1997 /* No frame after the selected frame passed the filter, so we
1998 have to select the last displayed frame before the selected
2000 selected_frame_num = preceding_frame_num;
2001 selected_frame = preceding_frame;
2002 } else if (preceding_frame == NULL) {
2003 /* No frame before the selected frame passed the filter, so we
2004 have to select the first displayed frame after the selected
2006 selected_frame_num = following_frame_num;
2007 selected_frame = following_frame;
2009 /* Frames before and after the selected frame passed the filter, so
2010 we'll select the previous frame */
2011 selected_frame_num = preceding_frame_num;
2012 selected_frame = preceding_frame;
2017 if (selected_frame_num == -1) {
2018 /* There are no frames displayed at all. */
2019 cf_unselect_packet(cf);
2021 /* Either the frame that was selected passed the filter, or we've
2022 found the nearest displayed frame to that frame. Select it, make
2023 it the focus row, and make it visible. */
2024 /* Set to invalid to force update of packet list and packet details */
2025 cf->current_row = -1;
2026 if (selected_frame_num == 0) {
2027 new_packet_list_select_first_row();
2029 new_packet_list_find_row_from_data(selected_frame, TRUE);
2033 /* Cleanup and release all dfilter resources */
2034 dfilter_free(dfcode);
2040 rescan_packets(capture_file *cf, const char *action, const char *action_item,
2041 gboolean refilter, gboolean redissect)
2044 progdlg_t *progbar = NULL;
2049 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
2050 int selected_row, prev_row, preceding_row, following_row;
2051 gboolean selected_frame_seen;
2054 GTimeVal start_time;
2055 gchar status_str[100];
2056 int progbar_nextstep;
2057 int progbar_quantum;
2059 gboolean filtering_tap_listeners;
2061 gboolean add_to_packet_list = TRUE;
2064 /* Compile the current display filter.
2065 * We assume this will not fail since cf->dfilter is only set in
2066 * cf_filter IFF the filter was valid.
2068 compiled = dfilter_compile(cf->dfilter, &dfcode);
2069 g_assert(!cf->dfilter || (compiled && dfcode));
2071 /* Do we have any tap listeners with filters? */
2072 filtering_tap_listeners = have_filtering_tap_listeners();
2074 /* Get the union of the flags for all tap listeners. */
2075 tap_flags = union_of_tap_listener_flags();
2077 reset_tap_listeners();
2078 /* Which frame, if any, is the currently selected frame?
2079 XXX - should the selected frame or the focus frame be the "current"
2080 frame, that frame being the one from which "Find Frame" searches
2082 selected_frame = cf->current_frame;
2084 /* We don't yet know what row that frame will be on, if any, after we
2085 rebuild the clist, however. */
2088 /* Freeze the packet list while we redo it, so we don't get any
2089 screen updates while it happens. */
2090 packet_list_freeze();
2093 packet_list_clear();
2096 /* We need to re-initialize all the state information that protocols
2097 keep, because some preference that controls a dissector has changed,
2098 which might cause the state information to be constructed differently
2099 by that dissector. */
2101 /* We might receive new packets while redissecting, and we don't
2102 want to dissect those before their time. */
2103 cf->redissecting = TRUE;
2105 /* Cleanup all data structures used for dissection. */
2106 cleanup_dissection();
2107 /* Initialize all data structures used for dissection. */
2112 /* We don't yet know which will be the first and last frames displayed. */
2113 cf->first_displayed = NULL;
2114 cf->last_displayed = NULL;
2118 /* We currently don't display any packets */
2119 cf->displayed_count = 0;
2121 /* Iterate through the list of frames. Call a routine for each frame
2122 to check whether it should be displayed and, if so, add it to
2123 the display list. */
2124 nstime_set_unset(&first_ts);
2125 nstime_set_unset(&prev_dis_ts);
2126 nstime_set_unset(&prev_cap_ts);
2129 /* Update the progress bar when it gets to this value. */
2130 progbar_nextstep = 0;
2131 /* When we reach the value that triggers a progress bar update,
2132 bump that value by this amount. */
2133 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2134 /* Count of packets at which we've looked. */
2136 /* Progress so far. */
2140 g_get_current_time(&start_time);
2142 row = -1; /* no previous row yet */
2147 preceding_frame = NULL;
2149 following_frame = NULL;
2151 selected_frame_seen = FALSE;
2153 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2154 /* Create the progress bar if necessary.
2155 We check on every iteration of the loop, so that it takes no
2156 longer than the standard time to create it (otherwise, for a
2157 large file, we might take considerably longer than that standard
2158 time in order to get to the next progress bar step). */
2159 if (progbar == NULL)
2160 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
2161 &stop_flag, &start_time,
2164 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2165 when we update it, we have to run the GTK+ main loop to get it
2166 to repaint what's pending, and doing so may involve an "ioctl()"
2167 to see if there's any pending input from an X server, and doing
2168 that for every packet can be costly, especially on a big file. */
2169 if (count >= progbar_nextstep) {
2170 /* let's not divide by zero. I should never be started
2171 * with count == 0, so let's assert that
2173 g_assert(cf->count > 0);
2174 progbar_val = (gfloat) count / cf->count;
2176 if (progbar != NULL) {
2177 g_snprintf(status_str, sizeof(status_str),
2178 "%4u of %u frames", count, cf->count);
2179 update_progress_dlg(progbar, progbar_val, status_str);
2182 progbar_nextstep += progbar_quantum;
2186 /* Well, the user decided to abort the filtering. Just stop.
2188 XXX - go back to the previous filter? Users probably just
2189 want not to wait for a filtering operation to finish;
2190 unless we cancel by having no filter, reverting to the
2191 previous filter will probably be even more expensive than
2192 continuing the filtering, as it involves going back to the
2193 beginning and filtering, and even with no filter we currently
2194 have to re-generate the entire clist, which is also expensive.
2196 I'm not sure what Network Monitor does, but it doesn't appear
2197 to give you an unfiltered display if you cancel. */
2204 /* Since all state for the frame was destroyed, mark the frame
2205 * as not visited, free the GSList referring to the state
2206 * data (the per-frame data itself was freed by
2207 * "init_dissection()"), and null out the GSList pointer.
2209 fdata->flags.visited = 0;
2210 frame_data_cleanup(fdata);
2213 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
2214 cf->pd, fdata->cap_len, &err, &err_info)) {
2215 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2216 cf_read_error_message(err, err_info), cf->filename);
2220 /* If the previous frame is displayed, and we haven't yet seen the
2221 selected frame, remember that frame - it's the closest one we've
2222 yet seen before the selected frame. */
2223 if (prev_row != -1 && !selected_frame_seen) {
2224 preceding_row = prev_row;
2225 preceding_frame = prev_frame;
2227 row = add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
2228 tap_flags, &cf->pseudo_header, cf->pd,
2230 add_to_packet_list);
2232 /* If this frame is displayed, and this is the first frame we've
2233 seen displayed after the selected frame, remember this frame -
2234 it's the closest one we've yet seen at or after the selected
2236 if (row != -1 && selected_frame_seen && following_row == -1) {
2237 following_row = row;
2238 following_frame = fdata;
2240 if (fdata == selected_frame) {
2242 selected_frame_seen = TRUE;
2245 /* Remember this row/frame - it'll be the previous row/frame
2246 on the next pass through the loop. */
2251 /* We are done redissecting the packet list. */
2252 cf->redissecting = FALSE;
2255 /* Clear out what remains of the visited flags and per-frame data
2258 XXX - that may cause various forms of bogosity when dissecting
2259 these frames, as they won't have been seen by this sequential
2260 pass, but the only alternative I see is to keep scanning them
2261 even though the user requested that the scan stop, and that
2262 would leave the user stuck with an Wireshark grinding on
2263 until it finishes. Should we just stick them with that? */
2264 for (; fdata != NULL; fdata = fdata->next) {
2265 fdata->flags.visited = 0;
2266 frame_data_cleanup(fdata);
2270 /* We're done filtering the packets; destroy the progress bar if it
2272 if (progbar != NULL)
2273 destroy_progress_dlg(progbar);
2275 /* Unfreeze the packet list. */
2278 if (selected_row == -1) {
2279 /* The selected frame didn't pass the filter. */
2280 if (selected_frame == NULL) {
2281 /* That's because there *was* no selected frame. Make the first
2282 displayed frame the current frame. */
2285 /* Find the nearest displayed frame to the selected frame (whether
2286 it's before or after that frame) and make that the current frame.
2287 If the next and previous displayed frames are equidistant from the
2288 selected frame, choose the next one. */
2289 g_assert(following_frame == NULL ||
2290 following_frame->num >= selected_frame->num);
2291 g_assert(preceding_frame == NULL ||
2292 preceding_frame->num <= selected_frame->num);
2293 if (following_frame == NULL) {
2294 /* No frame after the selected frame passed the filter, so we
2295 have to select the last displayed frame before the selected
2297 selected_row = preceding_row;
2298 } else if (preceding_frame == NULL) {
2299 /* No frame before the selected frame passed the filter, so we
2300 have to select the first displayed frame after the selected
2302 selected_row = following_row;
2304 /* Frames before and after the selected frame passed the filter, so
2305 we'll select the previous frame */
2306 selected_row = preceding_row;
2311 if (selected_row == -1) {
2312 /* There are no frames displayed at all. */
2313 cf_unselect_packet(cf);
2315 /* Either the frame that was selected passed the filter, or we've
2316 found the nearest displayed frame to that frame. Select it, make
2317 it the focus row, and make it visible. */
2318 if (selected_row == 0) {
2319 /* Set to invalid to force update of packet list and packet details */
2320 cf->current_row = -1;
2322 packet_list_set_selected_row(selected_row);
2325 /* Cleanup and release all dfilter resources */
2326 dfilter_free(dfcode);
2328 #endif /* NEW_PACKET_LIST */
2331 * Scan trough all frame data and recalculate the ref time
2332 * without rereading the file.
2333 * XXX - do we need a progres bar or is this fast enough?
2335 #ifdef NEW_PACKET_LIST
2337 ref_time_packets(capture_file *cf)
2341 nstime_set_unset(&first_ts);
2342 nstime_set_unset(&prev_dis_ts);
2343 nstime_set_unset(&prev_cap_ts);
2346 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2347 /* just add some value here until we know if it is being displayed or not */
2348 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
2350 /* If we don't have the time stamp of the first packet in the
2351 capture, it's because this is the first packet. Save the time
2352 stamp of this packet as the time stamp of the first packet. */
2353 if (nstime_is_unset(&first_ts)) {
2354 first_ts = fdata->abs_ts;
2356 /* if this frames is marked as a reference time frame, reset
2357 firstsec and firstusec to this frame */
2358 if(fdata->flags.ref_time){
2359 first_ts = fdata->abs_ts;
2362 /* If we don't have the time stamp of the previous displayed packet,
2363 it's because this is the first displayed packet. Save the time
2364 stamp of this packet as the time stamp of the previous displayed
2366 if (nstime_is_unset(&prev_dis_ts)) {
2367 prev_dis_ts = fdata->abs_ts;
2370 /* Get the time elapsed between the first packet and this packet. */
2371 nstime_delta(&fdata->rel_ts, &fdata->abs_ts, &first_ts);
2373 /* If it's greater than the current elapsed time, set the elapsed time
2374 to it (we check for "greater than" so as not to be confused by
2375 time moving backwards). */
2376 if ((gint32)cf->elapsed_time.secs < fdata->rel_ts.secs
2377 || ((gint32)cf->elapsed_time.secs == fdata->rel_ts.secs && (gint32)cf->elapsed_time.nsecs < fdata->rel_ts.nsecs)) {
2378 cf->elapsed_time = fdata->rel_ts;
2381 /* Get the time elapsed between the previous displayed packet and
2383 nstime_delta(&fdata->del_dis_ts, &fdata->abs_ts, &prev_dis_ts);
2385 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) ){
2386 /* This frame either passed the display filter list or is marked as
2387 a time reference frame. All time reference frames are displayed
2388 even if they dont pass the display filter */
2389 if(fdata->flags.ref_time){
2390 /* if this was a TIME REF frame we should reset the cul bytes field */
2391 cum_bytes = fdata->pkt_len;
2392 fdata->cum_bytes = cum_bytes;
2394 /* increase cum_bytes with this packets length */
2395 cum_bytes += fdata->pkt_len;
2409 process_specified_packets(capture_file *cf, packet_range_t *range,
2410 const char *string1, const char *string2, gboolean terminate_is_stop,
2411 gboolean (*callback)(capture_file *, frame_data *,
2412 union wtap_pseudo_header *, const guint8 *, void *),
2413 void *callback_args)
2418 union wtap_pseudo_header pseudo_header;
2419 guint8 pd[WTAP_MAX_PACKET_SIZE+1];
2420 psp_return_t ret = PSP_FINISHED;
2422 progdlg_t *progbar = NULL;
2425 gboolean progbar_stop_flag;
2426 GTimeVal progbar_start_time;
2427 gchar progbar_status_str[100];
2428 int progbar_nextstep;
2429 int progbar_quantum;
2430 range_process_e process_this;
2432 /* Update the progress bar when it gets to this value. */
2433 progbar_nextstep = 0;
2434 /* When we reach the value that triggers a progress bar update,
2435 bump that value by this amount. */
2436 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2437 /* Count of packets at which we've looked. */
2439 /* Progress so far. */
2442 progbar_stop_flag = FALSE;
2443 g_get_current_time(&progbar_start_time);
2445 packet_range_process_init(range);
2447 /* Iterate through the list of packets, printing the packets that
2448 were selected by the current display filter. */
2449 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2450 /* Create the progress bar if necessary.
2451 We check on every iteration of the loop, so that it takes no
2452 longer than the standard time to create it (otherwise, for a
2453 large file, we might take considerably longer than that standard
2454 time in order to get to the next progress bar step). */
2455 if (progbar == NULL)
2456 progbar = delayed_create_progress_dlg(string1, string2,
2459 &progbar_start_time,
2462 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2463 when we update it, we have to run the GTK+ main loop to get it
2464 to repaint what's pending, and doing so may involve an "ioctl()"
2465 to see if there's any pending input from an X server, and doing
2466 that for every packet can be costly, especially on a big file. */
2467 if (progbar_count >= progbar_nextstep) {
2468 /* let's not divide by zero. I should never be started
2469 * with count == 0, so let's assert that
2471 g_assert(cf->count > 0);
2472 progbar_val = (gfloat) progbar_count / cf->count;
2474 if (progbar != NULL) {
2475 g_snprintf(progbar_status_str, sizeof(progbar_status_str),
2476 "%4u of %u packets", progbar_count, cf->count);
2477 update_progress_dlg(progbar, progbar_val, progbar_status_str);
2480 progbar_nextstep += progbar_quantum;
2483 if (progbar_stop_flag) {
2484 /* Well, the user decided to abort the operation. Just stop,
2485 and arrange to return PSP_STOPPED to our caller, so they know
2486 it was stopped explicitly. */
2493 /* do we have to process this packet? */
2494 process_this = packet_range_process_packet(range, fdata);
2495 if (process_this == range_process_next) {
2496 /* this packet uninteresting, continue with next one */
2498 } else if (process_this == range_processing_finished) {
2499 /* all interesting packets processed, stop the loop */
2503 /* Get the packet */
2504 if (!wtap_seek_read(cf->wth, fdata->file_off, &pseudo_header,
2505 pd, fdata->cap_len, &err, &err_info)) {
2506 /* Attempt to get the packet failed. */
2507 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2508 cf_read_error_message(err, err_info), cf->filename);
2512 /* Process the packet */
2513 if (!callback(cf, fdata, &pseudo_header, pd, callback_args)) {
2514 /* Callback failed. We assume it reported the error appropriately. */
2520 /* We're done printing the packets; destroy the progress bar if
2522 if (progbar != NULL)
2523 destroy_progress_dlg(progbar);
2529 gboolean construct_protocol_tree;
2531 } retap_callback_args_t;
2534 retap_packet(capture_file *cf _U_, frame_data *fdata,
2535 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2538 retap_callback_args_t *args = argsp;
2541 epan_dissect_init(&edt, args->construct_protocol_tree, FALSE);
2542 tap_queue_init(&edt);
2543 epan_dissect_run(&edt, pseudo_header, pd, fdata, args->cinfo);
2544 tap_push_tapped_queue(&edt);
2545 epan_dissect_cleanup(&edt);
2551 cf_retap_packets(capture_file *cf)
2553 packet_range_t range;
2554 retap_callback_args_t callback_args;
2555 gboolean filtering_tap_listeners;
2558 /* Do we have any tap listeners with filters? */
2559 filtering_tap_listeners = have_filtering_tap_listeners();
2561 tap_flags = union_of_tap_listener_flags();
2563 /* If any tap listeners have filters, or require the protocol tree,
2564 construct the protocol tree. */
2565 callback_args.construct_protocol_tree = filtering_tap_listeners ||
2566 (tap_flags & TL_REQUIRES_PROTO_TREE);
2568 /* If any tap listeners require the columns, construct them. */
2569 callback_args.cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
2571 /* Reset the tap listeners. */
2572 reset_tap_listeners();
2574 /* Iterate through the list of packets, dissecting all packets and
2575 re-running the taps. */
2576 packet_range_init(&range);
2577 packet_range_process_init(&range);
2578 switch (process_specified_packets(cf, &range, "Recalculating statistics on",
2579 "all packets", TRUE, retap_packet,
2582 /* Completed successfully. */
2586 /* Well, the user decided to abort the refiltering.
2587 Return CF_READ_ABORTED so our caller knows they did that. */
2588 return CF_READ_ABORTED;
2591 /* Error while retapping. */
2592 return CF_READ_ERROR;
2595 g_assert_not_reached();
2600 print_args_t *print_args;
2601 gboolean print_header_line;
2602 char *header_line_buf;
2603 int header_line_buf_len;
2604 gboolean print_formfeed;
2605 gboolean print_separator;
2609 } print_callback_args_t;
2612 print_packet(capture_file *cf, frame_data *fdata,
2613 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2616 print_callback_args_t *args = argsp;
2623 gboolean proto_tree_needed;
2624 char bookmark_name[9+10+1]; /* "__frameNNNNNNNNNN__\0" */
2625 char bookmark_title[6+10+1]; /* "Frame NNNNNNNNNN__\0" */
2627 /* Create the protocol tree, and make it visible, if we're printing
2628 the dissection or the hex data.
2629 XXX - do we need it if we're just printing the hex data? */
2631 args->print_args->print_dissections != print_dissections_none || args->print_args->print_hex || have_custom_cols(&cf->cinfo);
2632 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2634 /* Fill in the column information if we're printing the summary
2636 if (args->print_args->print_summary) {
2637 col_custom_prime_edt(&edt, &cf->cinfo);
2638 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2639 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2641 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2643 if (args->print_formfeed) {
2644 if (!new_page(args->print_args->stream))
2647 if (args->print_separator) {
2648 if (!print_line(args->print_args->stream, 0, ""))
2654 * We generate bookmarks, if the output format supports them.
2655 * The name is "__frameN__".
2657 g_snprintf(bookmark_name, sizeof bookmark_name, "__frame%u__", fdata->num);
2659 if (args->print_args->print_summary) {
2660 if (args->print_header_line) {
2661 if (!print_line(args->print_args->stream, 0, args->header_line_buf))
2663 args->print_header_line = FALSE; /* we might not need to print any more */
2665 cp = &args->line_buf[0];
2667 for (i = 0; i < cf->cinfo.num_cols; i++) {
2668 /* Find the length of the string for this column. */
2669 column_len = (int) strlen(cf->cinfo.col_data[i]);
2670 if (args->col_widths[i] > column_len)
2671 column_len = args->col_widths[i];
2673 /* Make sure there's room in the line buffer for the column; if not,
2674 double its length. */
2675 line_len += column_len + 1; /* "+1" for space */
2676 if (line_len > args->line_buf_len) {
2677 cp_off = (int) (cp - args->line_buf);
2678 args->line_buf_len = 2 * line_len;
2679 args->line_buf = g_realloc(args->line_buf, args->line_buf_len + 1);
2680 cp = args->line_buf + cp_off;
2683 /* Right-justify the packet number column. */
2684 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2685 g_snprintf(cp, column_len+1, "%*s", args->col_widths[i], cf->cinfo.col_data[i]);
2687 g_snprintf(cp, column_len+1, "%-*s", args->col_widths[i], cf->cinfo.col_data[i]);
2689 if (i != cf->cinfo.num_cols - 1)
2695 * Generate a bookmark, using the summary line as the title.
2697 if (!print_bookmark(args->print_args->stream, bookmark_name,
2701 if (!print_line(args->print_args->stream, 0, args->line_buf))
2705 * Generate a bookmark, using "Frame N" as the title, as we're not
2706 * printing the summary line.
2708 g_snprintf(bookmark_title, sizeof bookmark_title, "Frame %u", fdata->num);
2709 if (!print_bookmark(args->print_args->stream, bookmark_name,
2712 } /* if (print_summary) */
2714 if (args->print_args->print_dissections != print_dissections_none) {
2715 if (args->print_args->print_summary) {
2716 /* Separate the summary line from the tree with a blank line. */
2717 if (!print_line(args->print_args->stream, 0, ""))
2721 /* Print the information in that tree. */
2722 if (!proto_tree_print(args->print_args, &edt, args->print_args->stream))
2725 /* Print a blank line if we print anything after this (aka more than one packet). */
2726 args->print_separator = TRUE;
2728 /* Print a header line if we print any more packet summaries */
2729 args->print_header_line = TRUE;
2732 if (args->print_args->print_hex) {
2733 /* Print the full packet data as hex. */
2734 if (!print_hex_data(args->print_args->stream, &edt))
2737 /* Print a blank line if we print anything after this (aka more than one packet). */
2738 args->print_separator = TRUE;
2740 /* Print a header line if we print any more packet summaries */
2741 args->print_header_line = TRUE;
2742 } /* if (args->print_args->print_dissections != print_dissections_none) */
2744 epan_dissect_cleanup(&edt);
2746 /* do we want to have a formfeed between each packet from now on? */
2747 if(args->print_args->print_formfeed) {
2748 args->print_formfeed = TRUE;
2754 epan_dissect_cleanup(&edt);
2759 cf_print_packets(capture_file *cf, print_args_t *print_args)
2762 print_callback_args_t callback_args;
2770 callback_args.print_args = print_args;
2771 callback_args.print_header_line = TRUE;
2772 callback_args.header_line_buf = NULL;
2773 callback_args.header_line_buf_len = 256;
2774 callback_args.print_formfeed = FALSE;
2775 callback_args.print_separator = FALSE;
2776 callback_args.line_buf = NULL;
2777 callback_args.line_buf_len = 256;
2778 callback_args.col_widths = NULL;
2780 if (!print_preamble(print_args->stream, cf->filename)) {
2781 destroy_print_stream(print_args->stream);
2782 return CF_PRINT_WRITE_ERROR;
2785 if (print_args->print_summary) {
2786 /* We're printing packet summaries. Allocate the header line buffer
2787 and get the column widths. */
2788 callback_args.header_line_buf = g_malloc(callback_args.header_line_buf_len + 1);
2790 /* Find the widths for each of the columns - maximum of the
2791 width of the title and the width of the data - and construct
2792 a buffer with a line containing the column titles. */
2793 callback_args.col_widths = (gint *) g_malloc(sizeof(gint) * cf->cinfo.num_cols);
2794 cp = &callback_args.header_line_buf[0];
2796 for (i = 0; i < cf->cinfo.num_cols; i++) {
2797 /* Don't pad the last column. */
2798 if (i == cf->cinfo.num_cols - 1)
2799 callback_args.col_widths[i] = 0;
2801 callback_args.col_widths[i] = (gint) strlen(cf->cinfo.col_title[i]);
2802 data_width = get_column_char_width(get_column_format(i));
2803 if (data_width > callback_args.col_widths[i])
2804 callback_args.col_widths[i] = data_width;
2807 /* Find the length of the string for this column. */
2808 column_len = (int) strlen(cf->cinfo.col_title[i]);
2809 if (callback_args.col_widths[i] > column_len)
2810 column_len = callback_args.col_widths[i];
2812 /* Make sure there's room in the line buffer for the column; if not,
2813 double its length. */
2814 line_len += column_len + 1; /* "+1" for space */
2815 if (line_len > callback_args.header_line_buf_len) {
2816 cp_off = (int) (cp - callback_args.header_line_buf);
2817 callback_args.header_line_buf_len = 2 * line_len;
2818 callback_args.header_line_buf = g_realloc(callback_args.header_line_buf,
2819 callback_args.header_line_buf_len + 1);
2820 cp = callback_args.header_line_buf + cp_off;
2823 /* Right-justify the packet number column. */
2824 /* if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2825 g_snprintf(cp, column_len+1, "%*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2827 g_snprintf(cp, column_len+1, "%-*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2829 if (i != cf->cinfo.num_cols - 1)
2834 /* Now start out the main line buffer with the same length as the
2835 header line buffer. */
2836 callback_args.line_buf_len = callback_args.header_line_buf_len;
2837 callback_args.line_buf = g_malloc(callback_args.line_buf_len + 1);
2838 } /* if (print_summary) */
2840 /* Iterate through the list of packets, printing the packets we were
2842 ret = process_specified_packets(cf, &print_args->range, "Printing",
2843 "selected packets", TRUE, print_packet,
2846 g_free(callback_args.header_line_buf);
2847 g_free(callback_args.line_buf);
2848 g_free(callback_args.col_widths);
2853 /* Completed successfully. */
2857 /* Well, the user decided to abort the printing.
2859 XXX - note that what got generated before they did that
2860 will get printed if we're piping to a print program; we'd
2861 have to write to a file and then hand that to the print
2862 program to make it actually not print anything. */
2866 /* Error while printing.
2868 XXX - note that what got generated before they did that
2869 will get printed if we're piping to a print program; we'd
2870 have to write to a file and then hand that to the print
2871 program to make it actually not print anything. */
2872 destroy_print_stream(print_args->stream);
2873 return CF_PRINT_WRITE_ERROR;
2876 if (!print_finale(print_args->stream)) {
2877 destroy_print_stream(print_args->stream);
2878 return CF_PRINT_WRITE_ERROR;
2881 if (!destroy_print_stream(print_args->stream))
2882 return CF_PRINT_WRITE_ERROR;
2888 write_pdml_packet(capture_file *cf _U_, frame_data *fdata,
2889 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2895 /* Create the protocol tree, but don't fill in the column information. */
2896 epan_dissect_init(&edt, TRUE, TRUE);
2897 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2899 /* Write out the information in that tree. */
2900 proto_tree_write_pdml(&edt, fh);
2902 epan_dissect_cleanup(&edt);
2908 cf_write_pdml_packets(capture_file *cf, print_args_t *print_args)
2913 fh = ws_fopen(print_args->file, "w");
2915 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2917 write_pdml_preamble(fh);
2920 return CF_PRINT_WRITE_ERROR;
2923 /* Iterate through the list of packets, printing the packets we were
2925 ret = process_specified_packets(cf, &print_args->range, "Writing PDML",
2926 "selected packets", TRUE,
2927 write_pdml_packet, fh);
2932 /* Completed successfully. */
2936 /* Well, the user decided to abort the printing. */
2940 /* Error while printing. */
2942 return CF_PRINT_WRITE_ERROR;
2945 write_pdml_finale(fh);
2948 return CF_PRINT_WRITE_ERROR;
2951 /* XXX - check for an error */
2958 write_psml_packet(capture_file *cf, frame_data *fdata,
2959 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2964 gboolean proto_tree_needed;
2966 /* Fill in the column information, only create the protocol tree
2967 if having custom columns. */
2968 proto_tree_needed = have_custom_cols(&cf->cinfo);
2969 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2970 col_custom_prime_edt(&edt, &cf->cinfo);
2971 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2972 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2974 /* Write out the information in that tree. */
2975 proto_tree_write_psml(&edt, fh);
2977 epan_dissect_cleanup(&edt);
2983 cf_write_psml_packets(capture_file *cf, print_args_t *print_args)
2988 fh = ws_fopen(print_args->file, "w");
2990 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2992 write_psml_preamble(fh);
2995 return CF_PRINT_WRITE_ERROR;
2998 /* Iterate through the list of packets, printing the packets we were
3000 ret = process_specified_packets(cf, &print_args->range, "Writing PSML",
3001 "selected packets", TRUE,
3002 write_psml_packet, fh);
3007 /* Completed successfully. */
3011 /* Well, the user decided to abort the printing. */
3015 /* Error while printing. */
3017 return CF_PRINT_WRITE_ERROR;
3020 write_psml_finale(fh);
3023 return CF_PRINT_WRITE_ERROR;
3026 /* XXX - check for an error */
3033 write_csv_packet(capture_file *cf, frame_data *fdata,
3034 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
3039 gboolean proto_tree_needed;
3041 /* Fill in the column information, only create the protocol tree
3042 if having custom columns. */
3043 proto_tree_needed = have_custom_cols(&cf->cinfo);
3044 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
3045 col_custom_prime_edt(&edt, &cf->cinfo);
3046 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
3047 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
3049 /* Write out the information in that tree. */
3050 proto_tree_write_csv(&edt, fh);
3052 epan_dissect_cleanup(&edt);
3058 cf_write_csv_packets(capture_file *cf, print_args_t *print_args)
3063 fh = ws_fopen(print_args->file, "w");
3065 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3067 write_csv_preamble(fh);
3070 return CF_PRINT_WRITE_ERROR;
3073 /* Iterate through the list of packets, printing the packets we were
3075 ret = process_specified_packets(cf, &print_args->range, "Writing CSV",
3076 "selected packets", TRUE,
3077 write_csv_packet, fh);
3082 /* Completed successfully. */
3086 /* Well, the user decided to abort the printing. */
3090 /* Error while printing. */
3092 return CF_PRINT_WRITE_ERROR;
3095 write_csv_finale(fh);
3098 return CF_PRINT_WRITE_ERROR;
3101 /* XXX - check for an error */
3108 write_carrays_packet(capture_file *cf _U_, frame_data *fdata,
3109 union wtap_pseudo_header *pseudo_header _U_,
3110 const guint8 *pd, void *argsp)
3114 proto_tree_write_carrays(pd, fdata->cap_len, fdata->num, fh);
3119 cf_write_carrays_packets(capture_file *cf, print_args_t *print_args)
3124 fh = ws_fopen(print_args->file, "w");
3127 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3129 write_carrays_preamble(fh);
3133 return CF_PRINT_WRITE_ERROR;
3136 /* Iterate through the list of packets, printing the packets we were
3138 ret = process_specified_packets(cf, &print_args->range,
3140 "selected packets", TRUE,
3141 write_carrays_packet, fh);
3144 /* Completed successfully. */
3147 /* Well, the user decided to abort the printing. */
3150 /* Error while printing. */
3152 return CF_PRINT_WRITE_ERROR;
3155 write_carrays_finale(fh);
3159 return CF_PRINT_WRITE_ERROR;
3166 #ifndef NEW_PACKET_LIST /* This function is not needed with the new packet list */
3168 /* Scan through the packet list and change all columns that use the
3169 "command-line-specified" time stamp format to use the current
3170 value of that format. */
3172 cf_change_time_formats(capture_file *cf)
3176 progdlg_t *progbar = NULL;
3181 GTimeVal start_time;
3182 gchar status_str[100];
3183 int progbar_nextstep;
3184 int progbar_quantum;
3185 gboolean sorted_by_frame_column;
3187 /* Adjust timestamp precision if auto is selected */
3188 cf_timestamp_auto_precision(cf);
3190 /* Are there any columns with time stamps in the "command-line-specified"
3193 XXX - we have to force the "column is writable" flag on, as it
3194 might be off from the last frame that was dissected. */
3195 col_set_writable(&cf->cinfo, TRUE);
3196 if (!check_col(&cf->cinfo, COL_CLS_TIME) &&
3197 !check_col(&cf->cinfo, COL_ABS_TIME) &&
3198 !check_col(&cf->cinfo, COL_ABS_DATE_TIME) &&
3199 !check_col(&cf->cinfo, COL_REL_TIME) &&
3200 !check_col(&cf->cinfo, COL_DELTA_TIME) &&
3201 !check_col(&cf->cinfo, COL_DELTA_TIME_DIS)) {
3202 /* No, there aren't any columns in that format, so we have no work
3207 /* Freeze the packet list while we redo it, so we don't get any
3208 screen updates while it happens. */
3209 packet_list_freeze();
3211 /* Update the progress bar when it gets to this value. */
3212 progbar_nextstep = 0;
3213 /* When we reach the value that triggers a progress bar update,
3214 bump that value by this amount. */
3215 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3216 /* Count of packets at which we've looked. */
3218 /* Progress so far. */
3221 /* If the rows are currently sorted by the frame column then we know
3222 * the row number of each packet: it's the row number of the previously
3223 * displayed packet + 1.
3225 * Otherwise, if the display is sorted by a different column then we have
3226 * to use the O(N) packet_list_find_row_from_data() (thus making the job
3227 * of changing the time display format O(N**2)).
3229 * (XXX - In fact it's still O(N**2) because gtk_clist_set_text() takes
3230 * the row number and walks that many elements down the clist to find
3231 * the appropriate element.)
3233 sorted_by_frame_column = FALSE;
3234 for (i = 0; i < cf->cinfo.num_cols; i++) {
3235 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
3237 sorted_by_frame_column = (i == packet_list_get_sort_column());
3243 g_get_current_time(&start_time);
3245 /* Iterate through the list of packets, checking whether the packet
3246 is in a row of the summary list and, if so, whether there are
3247 any columns that show the time in the "command-line-specified"
3248 format and, if so, update that row. */
3249 for (fdata = cf->plist_start, row = -1; fdata != NULL; fdata = fdata->next) {
3250 /* Create the progress bar if necessary.
3251 We check on every iteration of the loop, so that it takes no
3252 longer than the standard time to create it (otherwise, for a
3253 large file, we might take considerably longer than that standard
3254 time in order to get to the next progress bar step). */
3255 if (progbar == NULL)
3256 progbar = delayed_create_progress_dlg("Changing", "time display",
3257 TRUE, &stop_flag, &start_time, progbar_val);
3259 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3260 when we update it, we have to run the GTK+ main loop to get it
3261 to repaint what's pending, and doing so may involve an "ioctl()"
3262 to see if there's any pending input from an X server, and doing
3263 that for every packet can be costly, especially on a big file. */
3264 if (count >= progbar_nextstep) {
3265 /* let's not divide by zero. I should never be started
3266 * with count == 0, so let's assert that
3268 g_assert(cf->count > 0);
3270 progbar_val = (gfloat) count / cf->count;
3272 if (progbar != NULL) {
3273 g_snprintf(status_str, sizeof(status_str),
3274 "%4u of %u packets", count, cf->count);
3275 update_progress_dlg(progbar, progbar_val, status_str);
3278 progbar_nextstep += progbar_quantum;
3282 /* Well, the user decided to abort the redisplay. Just stop.
3284 XXX - this leaves the time field in the old format in
3285 frames we haven't yet processed. So it goes; should we
3286 simply not offer them the option of stopping? */
3292 /* Find what row this packet is in. */
3293 if (!sorted_by_frame_column) {
3294 /* This function is O(N), so we try to avoid using it... */
3295 row = packet_list_find_row_from_data(fdata);
3297 /* ...which we do by maintaining a count of packets that are
3298 being displayed (i.e., that have passed the display filter),
3299 and using the current value of that count as the row number
3300 (which is why we can only do it when the display is sorted
3301 by the frame number). */
3302 if (fdata->flags.passed_dfilter)
3309 /* This packet is in the summary list, on row "row". */
3311 for (i = 0; i < cf->cinfo.num_cols; i++) {
3312 if (col_has_time_fmt(&cf->cinfo, i)) {
3313 /* This is one of the columns that shows the time in
3314 "command-line-specified" format; update it. */
3315 cf->cinfo.col_buf[i][0] = '\0';
3316 col_set_fmt_time(fdata, &cf->cinfo, cf->cinfo.col_fmt[i], i);
3317 packet_list_set_text(row, i, cf->cinfo.col_data[i]);
3323 /* We're done redisplaying the packets; destroy the progress bar if it
3325 if (progbar != NULL)
3326 destroy_progress_dlg(progbar);
3328 /* Set the column widths of those columns that show the time in
3329 "command-line-specified" format. */
3330 for (i = 0; i < cf->cinfo.num_cols; i++) {
3331 if (col_has_time_fmt(&cf->cinfo, i)) {
3332 packet_list_set_time_width(cf->cinfo.col_fmt[i], i);
3336 /* Unfreeze the packet list. */
3339 #endif /* NEW_PACKET_LIST */
3346 gboolean frame_matched;
3350 cf_find_packet_protocol_tree(capture_file *cf, const char *string)
3354 mdata.string = string;
3355 mdata.string_len = strlen(string);
3356 return find_packet(cf, match_protocol_tree, &mdata);
3360 match_protocol_tree(capture_file *cf, frame_data *fdata, void *criterion)
3362 match_data *mdata = criterion;
3365 /* Construct the protocol tree, including the displayed text */
3366 epan_dissect_init(&edt, TRUE, TRUE);
3367 /* We don't need the column information */
3368 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3370 /* Iterate through all the nodes, seeing if they have text that matches. */
3372 mdata->frame_matched = FALSE;
3373 proto_tree_children_foreach(edt.tree, match_subtree_text, mdata);
3374 epan_dissect_cleanup(&edt);
3375 return mdata->frame_matched;
3379 match_subtree_text(proto_node *node, gpointer data)
3381 match_data *mdata = (match_data*) data;
3382 const gchar *string = mdata->string;
3383 size_t string_len = mdata->string_len;
3384 capture_file *cf = mdata->cf;
3385 field_info *fi = PNODE_FINFO(node);
3386 gchar label_str[ITEM_LABEL_LENGTH];
3393 g_assert(fi && "dissection with an invisible proto tree?");
3395 if (mdata->frame_matched) {
3396 /* We already had a match; don't bother doing any more work. */
3400 /* Don't match invisible entries. */
3401 if (PROTO_ITEM_IS_HIDDEN(node))
3404 /* was a free format label produced? */
3406 label_ptr = fi->rep->representation;
3408 /* no, make a generic label */
3409 label_ptr = label_str;
3410 proto_item_fill_label(fi, label_str);
3413 /* Does that label match? */
3414 label_len = strlen(label_ptr);
3415 for (i = 0; i < label_len; i++) {
3416 c_char = label_ptr[i];
3418 c_char = toupper(c_char);
3419 if (c_char == string[c_match]) {
3421 if (c_match == string_len) {
3422 /* No need to look further; we have a match */
3423 mdata->frame_matched = TRUE;
3430 /* Recurse into the subtree, if it exists */
3431 if (node->first_child != NULL)
3432 proto_tree_children_foreach(node, match_subtree_text, mdata);
3436 cf_find_packet_summary_line(capture_file *cf, const char *string)
3440 mdata.string = string;
3441 mdata.string_len = strlen(string);
3442 return find_packet(cf, match_summary_line, &mdata);
3446 match_summary_line(capture_file *cf, frame_data *fdata, void *criterion)
3448 match_data *mdata = criterion;
3449 const gchar *string = mdata->string;
3450 size_t string_len = mdata->string_len;
3452 const char *info_column;
3453 size_t info_column_len;
3454 gboolean frame_matched = FALSE;
3460 /* Don't bother constructing the protocol tree */
3461 epan_dissect_init(&edt, FALSE, FALSE);
3462 /* Get the column information */
3463 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, &cf->cinfo);
3465 /* Find the Info column */
3466 for (colx = 0; colx < cf->cinfo.num_cols; colx++) {
3467 if (cf->cinfo.fmt_matx[colx][COL_INFO]) {
3468 /* Found it. See if we match. */
3469 info_column = edt.pi.cinfo->col_data[colx];
3470 info_column_len = strlen(info_column);
3471 for (i = 0; i < info_column_len; i++) {
3472 c_char = info_column[i];
3474 c_char = toupper(c_char);
3475 if (c_char == string[c_match]) {
3477 if (c_match == string_len) {
3478 frame_matched = TRUE;
3487 epan_dissect_cleanup(&edt);
3488 return frame_matched;
3494 } cbs_t; /* "Counted byte string" */
3497 cf_find_packet_data(capture_file *cf, const guint8 *string, size_t string_size)
3502 info.data_len = string_size;
3504 /* String or hex search? */
3506 /* String search - what type of string? */
3507 switch (cf->scs_type) {
3509 case SCS_ASCII_AND_UNICODE:
3510 return find_packet(cf, match_ascii_and_unicode, &info);
3513 return find_packet(cf, match_ascii, &info);
3516 return find_packet(cf, match_unicode, &info);
3519 g_assert_not_reached();
3523 return find_packet(cf, match_binary, &info);
3527 match_ascii_and_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3529 cbs_t *info = criterion;
3530 const guint8 *ascii_text = info->data;
3531 size_t textlen = info->data_len;
3532 gboolean frame_matched;
3538 frame_matched = FALSE;
3539 buf_len = fdata->pkt_len;
3540 for (i = 0; i < buf_len; i++) {
3543 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. */
3557 return frame_matched;
3561 match_ascii(capture_file *cf, frame_data *fdata, void *criterion)
3563 cbs_t *info = criterion;
3564 const guint8 *ascii_text = info->data;
3565 size_t textlen = info->data_len;
3566 gboolean frame_matched;
3572 frame_matched = FALSE;
3573 buf_len = fdata->pkt_len;
3574 for (i = 0; i < buf_len; i++) {
3577 c_char = toupper(c_char);
3578 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_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3595 cbs_t *info = criterion;
3596 const guint8 *ascii_text = info->data;
3597 size_t textlen = info->data_len;
3598 gboolean frame_matched;
3604 frame_matched = FALSE;
3605 buf_len = fdata->pkt_len;
3606 for (i = 0; i < buf_len; i++) {
3609 c_char = toupper(c_char);
3610 if (c_char == ascii_text[c_match]) {
3613 if (c_match == textlen) {
3614 frame_matched = TRUE;
3615 cf->search_pos = i; /* Save the position of the last character
3616 for highlighting the field. */
3622 return frame_matched;
3626 match_binary(capture_file *cf, frame_data *fdata, void *criterion)
3628 cbs_t *info = criterion;
3629 const guint8 *binary_data = info->data;
3630 size_t datalen = info->data_len;
3631 gboolean frame_matched;
3636 frame_matched = FALSE;
3637 buf_len = fdata->pkt_len;
3638 for (i = 0; i < buf_len; i++) {
3639 if (cf->pd[i] == binary_data[c_match]) {
3641 if (c_match == datalen) {
3642 frame_matched = TRUE;
3643 cf->search_pos = i; /* Save the position of the last character
3644 for highlighting the field. */
3650 return frame_matched;
3654 cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode)
3656 return find_packet(cf, match_dfilter, sfcode);
3660 match_dfilter(capture_file *cf, frame_data *fdata, void *criterion)
3662 dfilter_t *sfcode = criterion;
3664 gboolean frame_matched;
3666 epan_dissect_init(&edt, TRUE, FALSE);
3667 epan_dissect_prime_dfilter(&edt, sfcode);
3668 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3669 frame_matched = dfilter_apply_edt(sfcode, &edt);
3670 epan_dissect_cleanup(&edt);
3671 return frame_matched;
3675 find_packet(capture_file *cf,
3676 gboolean (*match_function)(capture_file *, frame_data *, void *),
3679 frame_data *start_fd;
3681 frame_data *new_fd = NULL;
3682 progdlg_t *progbar = NULL;
3689 GTimeVal start_time;
3690 gchar status_str[100];
3691 int progbar_nextstep;
3692 int progbar_quantum;
3695 start_fd = cf->current_frame;
3696 if (start_fd != NULL) {
3697 /* Iterate through the list of packets, starting at the packet we've
3698 picked, calling a routine to run the filter on the packet, see if
3699 it matches, and stop if so. */
3703 /* Update the progress bar when it gets to this value. */
3704 progbar_nextstep = 0;
3705 /* When we reach the value that triggers a progress bar update,
3706 bump that value by this amount. */
3707 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3708 /* Progress so far. */
3712 g_get_current_time(&start_time);
3715 title = cf->sfilter?cf->sfilter:"";
3717 /* Create the progress bar if necessary.
3718 We check on every iteration of the loop, so that it takes no
3719 longer than the standard time to create it (otherwise, for a
3720 large file, we might take considerably longer than that standard
3721 time in order to get to the next progress bar step). */
3722 if (progbar == NULL)
3723 progbar = delayed_create_progress_dlg("Searching", title,
3724 FALSE, &stop_flag, &start_time, progbar_val);
3726 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3727 when we update it, we have to run the GTK+ main loop to get it
3728 to repaint what's pending, and doing so may involve an "ioctl()"
3729 to see if there's any pending input from an X server, and doing
3730 that for every packet can be costly, especially on a big file. */
3731 if (count >= progbar_nextstep) {
3732 /* let's not divide by zero. I should never be started
3733 * with count == 0, so let's assert that
3735 g_assert(cf->count > 0);
3737 progbar_val = (gfloat) count / cf->count;
3739 if (progbar != NULL) {
3740 g_snprintf(status_str, sizeof(status_str),
3741 "%4u of %u packets", count, cf->count);
3742 update_progress_dlg(progbar, progbar_val, status_str);
3745 progbar_nextstep += progbar_quantum;
3749 /* Well, the user decided to abort the search. Go back to the
3750 frame where we started. */
3755 /* Go past the current frame. */
3756 if (cf->sbackward) {
3757 /* Go on to the previous frame. */
3758 fdata = fdata->prev;
3759 if (fdata == NULL) {
3761 * XXX - other apps have a bit more of a detailed message
3762 * for this, and instead of offering "OK" and "Cancel",
3763 * they offer things such as "Continue" and "Cancel";
3764 * we need an API for popping up alert boxes with
3765 * {Verb} and "Cancel".
3768 if (prefs.gui_find_wrap)
3770 simple_status("Search reached the beginning. Continuing at end.");
3771 fdata = cf->plist_end; /* wrap around */
3775 simple_status("Search reached the beginning.");
3776 fdata = start_fd; /* stay on previous packet */
3780 /* Go on to the next frame. */
3781 fdata = fdata->next;
3782 if (fdata == NULL) {
3783 if (prefs.gui_find_wrap)
3785 simple_status("Search reached the end. Continuing at beginning.");
3786 fdata = cf->plist_start; /* wrap around */
3790 simple_status("Search reached the end.");
3791 fdata = start_fd; /* stay on previous packet */
3798 /* Is this packet in the display? */
3799 if (fdata->flags.passed_dfilter) {
3800 /* Yes. Load its data. */
3801 if (!wtap_seek_read(cf->wth, fdata->file_off, &cf->pseudo_header,
3802 cf->pd, fdata->cap_len, &err, &err_info)) {
3803 /* Read error. Report the error, and go back to the frame
3804 where we started. */
3805 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
3806 cf_read_error_message(err, err_info), cf->filename);
3811 /* Does it match the search criterion? */
3812 if ((*match_function)(cf, fdata, criterion)) {
3814 break; /* found it! */
3818 if (fdata == start_fd) {
3819 /* We're back to the frame we were on originally, and that frame
3820 doesn't match the search filter. The search failed. */
3825 /* We're done scanning the packets; destroy the progress bar if it
3827 if (progbar != NULL)
3828 destroy_progress_dlg(progbar);
3831 if (new_fd != NULL) {
3832 #ifdef NEW_PACKET_LIST
3833 /* Find and select */
3834 row = new_packet_list_find_row_from_data(fdata, TRUE);
3836 /* We found a frame. Find what row it's in. */
3837 row = packet_list_find_row_from_data(new_fd);
3838 #endif /* NEW_PACKET_LIST */
3840 /* We didn't find a row even though we know that a frame
3841 * exists that satifies the search criteria. This means that the
3842 * frame isn't being displayed currently so we can't select it. */
3843 simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
3844 "%sEnd of capture exceeded!%s\n\n"
3845 "The capture file is probably not fully loaded.",
3846 simple_dialog_primary_start(), simple_dialog_primary_end());
3850 #ifndef NEW_PACKET_LIST
3851 /* Select that row, make it the focus row, and make it visible. */
3852 packet_list_set_selected_row(row);
3853 #endif /* NEW_PACKET_LIST */
3854 return TRUE; /* success */
3856 return FALSE; /* failure */
3860 cf_goto_frame(capture_file *cf, guint fnumber)
3865 for (fdata = cf->plist_start; fdata != NULL && fdata->num < fnumber; fdata = fdata->next)
3868 if (fdata == NULL) {
3869 /* we didn't find a packet with that packet number */
3870 simple_status("There is no packet number %u.", fnumber);
3871 return FALSE; /* we failed to go to that packet */
3873 if (!fdata->flags.passed_dfilter) {
3874 /* that packet currently isn't displayed */
3875 /* XXX - add it to the set of displayed packets? */
3876 simple_status("Packet number %u isn't displayed.", fnumber);
3877 return FALSE; /* we failed to go to that packet */
3880 #ifdef NEW_PACKET_LIST
3881 row = new_packet_list_find_row_from_data(fdata, TRUE);
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(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_top_frame(capture_file *cf _U_)
3897 #ifdef NEW_PACKET_LIST
3898 /* Find and select */
3899 new_packet_list_select_first_row();
3903 frame_data *lowest_fdata = NULL;
3905 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3906 if (fdata->flags.passed_dfilter) {
3907 lowest_fdata = fdata;
3912 if (lowest_fdata == NULL) {
3916 /* We found that packet, and it's currently being displayed.
3917 Find what row it's in. */
3918 row = packet_list_find_row_from_data(lowest_fdata);
3919 g_assert(row != -1);
3921 /* Select that row, make it the focus row, and make it visible. */
3922 packet_list_set_selected_row(row);
3923 #endif /* NEW_PACKET_LIST */
3924 return TRUE; /* we got to that packet */
3928 cf_goto_bottom_frame(capture_file *cf _U_) /* cf is unused w/ NEW_PACKET_LIST */
3930 #ifdef NEW_PACKET_LIST
3931 /* Find and select */
3932 new_packet_list_select_last_row();
3936 frame_data *highest_fdata = NULL;
3938 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3939 if (fdata->flags.passed_dfilter) {
3940 highest_fdata = fdata;
3944 if (highest_fdata == NULL) {
3948 /* We found that packet, and it's currently being displayed.
3949 Find what row it's in. */
3950 row = packet_list_find_row_from_data(highest_fdata);
3951 g_assert(row != -1);
3953 /* Select that row, make it the focus row, and make it visible. */
3954 packet_list_set_selected_row(row);
3955 #endif /* NEW_PACKET_LIST */
3956 return TRUE; /* we got to that packet */
3960 * Go to frame specified by currently selected protocol tree item.
3963 cf_goto_framenum(capture_file *cf)
3965 header_field_info *hfinfo;
3968 if (cf->finfo_selected) {
3969 hfinfo = cf->finfo_selected->hfinfo;
3971 if (hfinfo->type == FT_FRAMENUM) {
3972 framenum = fvalue_get_uinteger(&cf->finfo_selected->value);
3974 return cf_goto_frame(cf, framenum);
3981 /* Select the packet on a given row. */
3983 cf_select_packet(capture_file *cf, int row)
3989 /* Get the frame data struct pointer for this frame */
3990 #ifdef NEW_PACKET_LIST
3991 fdata = new_packet_list_get_row_data(row);
3993 fdata = (frame_data *)packet_list_get_row_data(row);
3996 if (fdata == NULL) {
3997 /* XXX - if a GtkCList's selection mode is GTK_SELECTION_BROWSE, when
3998 the first entry is added to it by "real_insert_row()", that row
3999 is selected (see "real_insert_row()", in "gtk/gtkclist.c", in both
4000 our version and the vanilla GTK+ version).
4002 This means that a "select-row" signal is emitted; this causes
4003 "packet_list_select_cb()" to be called, which causes "cf_select_packet()"
4006 "cf_select_packet()" fetches, above, the data associated with the
4007 row that was selected; however, as "gtk_clist_append()", which
4008 called "real_insert_row()", hasn't yet returned, we haven't yet
4009 associated any data with that row, so we get back a null pointer.
4011 We can't assume that there's only one frame in the frame list,
4012 either, as we may be filtering the display.
4014 We therefore assume that, if "row" is 0, i.e. the first row
4015 is being selected, and "cf->first_displayed" equals
4016 "cf->last_displayed", i.e. there's only one frame being
4017 displayed, that frame is the frame we want.
4019 This means we have to set "cf->first_displayed" and
4020 "cf->last_displayed" before adding the row to the
4021 GtkCList; see the comment in "add_packet_to_packet_list()". */
4023 if (row == 0 && cf->first_displayed == cf->last_displayed)
4024 fdata = cf->first_displayed;
4027 /* If fdata _still_ isn't set simply give up. */
4028 if (fdata == NULL) {
4032 /* Get the data in that frame. */
4033 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
4034 cf->pd, fdata->cap_len, &err, &err_info)) {
4035 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4036 cf_read_error_message(err, err_info), cf->filename);
4040 /* Record that this frame is the current frame. */
4041 cf->current_frame = fdata;
4042 cf->current_row = row;
4044 /* Create the logical protocol tree. */
4045 if (cf->edt != NULL)
4046 epan_dissect_free(cf->edt);
4048 /* We don't need the columns here. */
4049 cf->edt = epan_dissect_new(TRUE, TRUE);
4051 tap_build_interesting(cf->edt);
4052 epan_dissect_run(cf->edt, &cf->pseudo_header, cf->pd, cf->current_frame,
4055 dfilter_macro_build_ftv_cache(cf->edt->tree);
4057 cf_callback_invoke(cf_cb_packet_selected, cf);
4060 /* Unselect the selected packet, if any. */
4062 cf_unselect_packet(capture_file *cf)
4064 /* Destroy the epan_dissect_t for the unselected packet. */
4065 if (cf->edt != NULL) {
4066 epan_dissect_free(cf->edt);
4070 /* No packet is selected. */
4071 cf->current_frame = NULL;
4072 cf->current_row = 0;
4074 cf_callback_invoke(cf_cb_packet_unselected, cf);
4076 /* No protocol tree means no selected field. */
4077 cf_unselect_field(cf);
4080 /* Unset the selected protocol tree field, if any. */
4082 cf_unselect_field(capture_file *cf)
4084 cf->finfo_selected = NULL;
4086 cf_callback_invoke(cf_cb_field_unselected, cf);
4090 * Mark a particular frame.
4093 cf_mark_frame(capture_file *cf, frame_data *frame)
4095 if (! frame->flags.marked) {
4096 frame->flags.marked = TRUE;
4097 if (cf->count > cf->marked_count)
4103 * Unmark a particular frame.
4106 cf_unmark_frame(capture_file *cf, frame_data *frame)
4108 if (frame->flags.marked) {
4109 frame->flags.marked = FALSE;
4110 if (cf->marked_count > 0)
4116 * Ignore a particular frame.
4119 cf_ignore_frame(capture_file *cf, frame_data *frame)
4121 if (! frame->flags.ignored) {
4122 frame->flags.ignored = TRUE;
4123 if (cf->count > cf->ignored_count)
4124 cf->ignored_count++;
4129 * Un-ignore a particular frame.
4132 cf_unignore_frame(capture_file *cf, frame_data *frame)
4134 if (frame->flags.ignored) {
4135 frame->flags.ignored = FALSE;
4136 if (cf->ignored_count > 0)
4137 cf->ignored_count--;
4144 } save_callback_args_t;
4147 * Save a capture to a file, in a particular format, saving either
4148 * all packets, all currently-displayed packets, or all marked packets.
4150 * Returns TRUE if it succeeds, FALSE otherwise; if it fails, it pops
4151 * up a message box for the failure.
4154 save_packet(capture_file *cf _U_, frame_data *fdata,
4155 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
4158 save_callback_args_t *args = argsp;
4159 struct wtap_pkthdr hdr;
4162 /* init the wtap header for saving */
4163 hdr.ts.secs = fdata->abs_ts.secs;
4164 hdr.ts.nsecs = fdata->abs_ts.nsecs;
4165 hdr.caplen = fdata->cap_len;
4166 hdr.len = fdata->pkt_len;
4167 hdr.pkt_encap = fdata->lnk_t;
4169 /* and save the packet */
4170 if (!wtap_dump(args->pdh, &hdr, pseudo_header, pd, &err)) {
4171 cf_write_failure_alert_box(args->fname, err);
4178 * Can this capture file be saved in any format except by copying the raw data?
4181 cf_can_save_as(capture_file *cf)
4185 for (ft = 0; ft < WTAP_NUM_FILE_TYPES; ft++) {
4186 /* To save a file with Wiretap, Wiretap has to handle that format,
4187 and its code to handle that format must be able to write a file
4188 with this file's encapsulation type. */
4189 if (wtap_dump_can_open(ft) && wtap_dump_can_write_encap(ft, cf->lnk_t)) {
4190 /* OK, we can write it out in this type. */
4195 /* No, we couldn't save it in any format. */
4200 cf_save(capture_file *cf, const char *fname, packet_range_t *range, guint save_format, gboolean compressed)
4202 gchar *from_filename;
4206 save_callback_args_t callback_args;
4208 cf_callback_invoke(cf_cb_file_save_started, (gpointer)fname);
4210 /* don't write over an existing file. */
4211 /* this should've been already checked by our caller, just to be sure... */
4212 if (file_exists(fname)) {
4213 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4214 "%sCapture file: \"%s\" already exists!%s\n\n"
4215 "Please choose a different filename.",
4216 simple_dialog_primary_start(), fname, simple_dialog_primary_end());
4220 packet_range_process_init(range);
4222 if (packet_range_process_all(range) && save_format == cf->cd_t) {
4223 /* We're not filtering packets, and we're saving it in the format
4224 it's already in, so we can just move or copy the raw data. */
4226 if (cf->is_tempfile) {
4227 /* The file being saved is a temporary file from a live
4228 capture, so it doesn't need to stay around under that name;
4229 first, try renaming the capture buffer file to the new name. */
4231 if (ws_rename(cf->filename, fname) == 0) {
4232 /* That succeeded - there's no need to copy the source file. */
4233 from_filename = NULL;
4236 if (errno == EXDEV) {
4237 /* They're on different file systems, so we have to copy the
4240 from_filename = cf->filename;
4242 /* The rename failed, but not because they're on different
4243 file systems - put up an error message. (Or should we
4244 just punt and try to copy? The only reason why I'd
4245 expect the rename to fail and the copy to succeed would
4246 be if we didn't have permission to remove the file from
4247 the temporary directory, and that might be fixable - but
4248 is it worth requiring the user to go off and fix it?) */
4249 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4250 file_rename_error_message(errno), fname);
4256 from_filename = cf->filename;
4259 /* It's a permanent file, so we should copy it, and not remove the
4262 from_filename = cf->filename;
4266 /* Copy the file, if we haven't moved it. */
4267 if (!copy_file_binary_mode(from_filename, fname))
4271 /* Either we're filtering packets, or we're saving in a different
4272 format; we can't do that by copying or moving the capture file,
4273 we have to do it by writing the packets out in Wiretap. */
4274 pdh = wtap_dump_open(fname, save_format, cf->lnk_t, cf->snap,
4277 cf_open_failure_alert_box(fname, err, NULL, TRUE, save_format);
4281 /* XXX - we let the user save a subset of the packets.
4283 If we do that, should we make that file the current file? If so,
4284 it means we can no longer get at the other packets. What does
4287 /* Iterate through the list of packets, processing the packets we were
4290 XXX - we've already called "packet_range_process_init(range)", but
4291 "process_specified_packets()" will do it again. Fortunately,
4292 that's harmless in this case, as we haven't done anything to
4293 "range" since we initialized it. */
4294 callback_args.pdh = pdh;
4295 callback_args.fname = fname;
4296 switch (process_specified_packets(cf, range, "Saving", "selected packets",
4297 TRUE, save_packet, &callback_args)) {
4300 /* Completed successfully. */
4304 /* The user decided to abort the saving.
4305 XXX - remove the output file? */
4309 /* Error while saving. */
4310 wtap_dump_close(pdh, &err);
4314 if (!wtap_dump_close(pdh, &err)) {
4315 cf_close_failure_alert_box(fname, err);
4320 cf_callback_invoke(cf_cb_file_save_finished, NULL);
4322 if (packet_range_process_all(range)) {
4323 /* We saved the entire capture, not just some packets from it.
4324 Open and read the file we saved it to.
4326 XXX - this is somewhat of a waste; we already have the
4327 packets, all this gets us is updated file type information
4328 (which we could just stuff into "cf"), and having the new
4329 file be the one we have opened and from which we're reading
4330 the data, and it means we have to spend time opening and
4331 reading the file, which could be a significant amount of
4332 time if the file is large. */
4333 cf->user_saved = TRUE;
4335 if ((cf_open(cf, fname, FALSE, &err)) == CF_OK) {
4336 /* XXX - report errors if this fails?
4337 What should we return if it fails or is aborted? */
4339 switch (cf_read(cf, TRUE)) {
4343 /* Just because we got an error, that doesn't mean we were unable
4344 to read any of the file; we handle what we could get from the
4348 case CF_READ_ABORTED:
4349 /* The user bailed out of re-reading the capture file; the
4350 capture file has been closed - just return (without
4351 changing any menu settings; "cf_close()" set them
4352 correctly for the "no capture file open" state). */
4355 cf_callback_invoke(cf_cb_file_save_reload_finished, cf);
4361 cf_callback_invoke(cf_cb_file_save_failed, NULL);
4366 cf_open_failure_alert_box(const char *filename, int err, gchar *err_info,
4367 gboolean for_writing, int file_type)
4370 /* Wiretap error. */
4373 case WTAP_ERR_NOT_REGULAR_FILE:
4374 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4375 "The file \"%s\" is a \"special file\" or socket or other non-regular file.",
4379 case WTAP_ERR_RANDOM_OPEN_PIPE:
4380 /* Seen only when opening a capture file for reading. */
4381 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4382 "The file \"%s\" is a pipe or FIFO; Wireshark can't read pipe or FIFO files.",
4386 case WTAP_ERR_FILE_UNKNOWN_FORMAT:
4387 /* Seen only when opening a capture file for reading. */
4388 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4389 "The file \"%s\" isn't a capture file in a format Wireshark understands.",
4393 case WTAP_ERR_UNSUPPORTED:
4394 /* Seen only when opening a capture file for reading. */
4395 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4396 "The file \"%s\" isn't a capture file in a format Wireshark understands.\n"
4398 filename, err_info);
4402 case WTAP_ERR_CANT_WRITE_TO_PIPE:
4403 /* Seen only when opening a capture file for writing. */
4404 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4405 "The file \"%s\" is a pipe, and %s capture files can't be "
4406 "written to a pipe.",
4407 filename, wtap_file_type_string(file_type));
4410 case WTAP_ERR_UNSUPPORTED_FILE_TYPE:
4411 /* Seen only when opening a capture file for writing. */
4412 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4413 "Wireshark doesn't support writing capture files in that format.");
4416 case WTAP_ERR_UNSUPPORTED_ENCAP:
4418 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4419 "Wireshark can't save this capture in that format.");
4421 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4422 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.\n"
4424 filename, err_info);
4429 case WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED:
4431 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4432 "Wireshark can't save this capture in that format.");
4434 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4435 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.",
4440 case WTAP_ERR_BAD_RECORD:
4441 /* Seen only when opening a capture file for reading. */
4442 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4443 "The file \"%s\" appears to be damaged or corrupt.\n"
4445 filename, err_info);
4449 case WTAP_ERR_CANT_OPEN:
4451 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4452 "The file \"%s\" could not be created for some unknown reason.",
4455 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4456 "The file \"%s\" could not be opened for some unknown reason.",
4461 case WTAP_ERR_SHORT_READ:
4462 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4463 "The file \"%s\" appears to have been cut short"
4464 " in the middle of a packet or other data.",
4468 case WTAP_ERR_SHORT_WRITE:
4469 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4470 "A full header couldn't be written to the file \"%s\".",
4474 case WTAP_ERR_COMPRESSION_NOT_SUPPORTED:
4475 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4476 "Gzip compression not supported by this file type.");
4480 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4481 "The file \"%s\" could not be %s: %s.",
4483 for_writing ? "created" : "opened",
4484 wtap_strerror(err));
4489 open_failure_alert_box(filename, err, for_writing);
4494 file_rename_error_message(int err)
4497 static char errmsg_errno[1024+1];
4502 errmsg = "The path to the file \"%s\" doesn't exist.";
4506 errmsg = "You don't have permission to move the capture file to \"%s\".";
4510 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4511 "The file \"%%s\" could not be moved: %s.",
4512 wtap_strerror(err));
4513 errmsg = errmsg_errno;
4520 cf_read_error_message(int err, gchar *err_info)
4522 static char errmsg_errno[1024+1];
4526 case WTAP_ERR_UNSUPPORTED_ENCAP:
4527 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4528 "The file \"%%s\" has a packet with a network type that Wireshark doesn't support.\n(%s)",
4533 case WTAP_ERR_BAD_RECORD:
4534 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4535 "An error occurred while reading from the file \"%%s\": %s.\n(%s)",
4536 wtap_strerror(err), err_info);
4541 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4542 "An error occurred while reading from the file \"%%s\": %s.",
4543 wtap_strerror(err));
4546 return errmsg_errno;
4550 cf_write_failure_alert_box(const char *filename, int err)
4553 /* Wiretap error. */
4554 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4555 "An error occurred while writing to the file \"%s\": %s.",
4556 filename, wtap_strerror(err));
4559 write_failure_alert_box(filename, err);
4563 /* Check for write errors - if the file is being written to an NFS server,
4564 a write error may not show up until the file is closed, as NFS clients
4565 might not send writes to the server until the "write()" call finishes,
4566 so that the write may fail on the server but the "write()" may succeed. */
4568 cf_close_failure_alert_box(const char *filename, int err)
4571 /* Wiretap error. */
4574 case WTAP_ERR_CANT_CLOSE:
4575 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4576 "The file \"%s\" couldn't be closed for some unknown reason.",
4580 case WTAP_ERR_SHORT_WRITE:
4581 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4582 "Not all the packets could be written to the file \"%s\".",
4587 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4588 "An error occurred while closing the file \"%s\": %s.",
4589 filename, wtap_strerror(err));
4594 We assume that a close error from the OS is really a write error. */
4595 write_failure_alert_box(filename, err);
4599 /* Reload the current capture file. */
4601 cf_reload(capture_file *cf) {
4603 gboolean is_tempfile;
4606 /* If the file could be opened, "cf_open()" calls "cf_close()"
4607 to get rid of state for the old capture file before filling in state
4608 for the new capture file. "cf_close()" will remove the file if
4609 it's a temporary file; we don't want that to happen (for one thing,
4610 it'd prevent subsequent reopens from working). Remember whether it's
4611 a temporary file, mark it as not being a temporary file, and then
4612 reopen it as the type of file it was.
4614 Also, "cf_close()" will free "cf->filename", so we must make
4615 a copy of it first. */
4616 filename = g_strdup(cf->filename);
4617 is_tempfile = cf->is_tempfile;
4618 cf->is_tempfile = FALSE;
4619 if (cf_open(cf, filename, is_tempfile, &err) == CF_OK) {
4620 switch (cf_read(cf, FALSE)) {
4624 /* Just because we got an error, that doesn't mean we were unable
4625 to read any of the file; we handle what we could get from the
4629 case CF_READ_ABORTED:
4630 /* The user bailed out of re-reading the capture file; the
4631 capture file has been closed - just free the capture file name
4632 string and return (without changing the last containing
4638 /* The open failed, so "cf->is_tempfile" wasn't set to "is_tempfile".
4639 Instead, the file was left open, so we should restore "cf->is_tempfile"
4642 XXX - change the menu? Presumably "cf_open()" will do that;
4643 make sure it does! */
4644 cf->is_tempfile = is_tempfile;
4646 /* "cf_open()" made a copy of the file name we handed it, so
4647 we should free up our copy. */
4657 * indent-tabs-mode: nil
4660 * ex: set shiftwidth=2 tabstop=8 expandtab
4661 * :indentSize=2:tabSize=8:noTabs=true: