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 wtap_cleareof(cf->wth);
805 while (to_read != 0 && (wtap_read(cf->wth, err, &err_info, &data_offset))) {
806 if (cf->state == FILE_READ_ABORTED) {
807 /* Well, the user decided to exit Wireshark. Break out of the
808 loop, and let the code below (which is called even if there
809 aren't any packets left to read) exit. */
813 if (read_packet(cf, dfcode, filtering_tap_listeners, tap_flags,
814 data_offset) != -1) {
816 newly_displayed_packets++;
821 CATCH(OutOfMemoryError) {
824 dialog = simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
825 "%sOut Of Memory!%s\n"
827 "Sorry, but Wireshark has to terminate now!\n"
829 "The capture file is not lost, it can be found at:\n"
832 "Some infos / workarounds can be found at:\n"
833 "http://wiki.wireshark.org/KnownBugs/OutOfMemory",
834 simple_dialog_primary_start(), simple_dialog_primary_end(), cf->filename);
835 /* we have to terminate, as we cannot recover from the memory error */
836 simple_dialog_set_cb(dialog, outofmemory_cb, NULL);
838 main_window_update();
839 /* XXX - how to avoid a busy wait? */
842 #ifdef NEW_PACKET_LIST
843 /* Don't freeze/thaw the list when doing live capture */
844 /*new_packet_list_thaw();*/
848 return CF_READ_ABORTED;
854 /* Cleanup and release all dfilter resources */
856 dfilter_free(dfcode);
859 /*g_log(NULL, G_LOG_LEVEL_MESSAGE, "cf_continue_tail: count %u state: %u err: %u",
860 cf->count, cf->state, *err);*/
862 #ifdef NEW_PACKET_LIST
863 /* Don't freeze/thaw the list when doing live capture */
864 /*new_packet_list_thaw();*/
865 /* With the new packet list the first packet
866 * isn't automatically selected.
868 if(!cf->current_frame)
869 new_packet_list_select_first_row();
871 /* XXX - this causes "flickering" of the list */
875 /* moving to the end of the packet list - if the user requested so and
876 we have some new packets. */
877 if (newly_displayed_packets && auto_scroll_live && cf->plist_end != NULL)
878 #ifdef NEW_PACKET_LIST
880 new_packet_list_moveto_end();
882 /* this doesn't seem to work well with a frozen GTK_Clist, so do this after
883 packet_list_thaw() is done, see bugzilla 1188 */
884 /* XXX - this cheats and looks inside the packet list to find the final
886 packet_list_moveto_end();
887 #endif /* NEW_PACKET_LIST */
889 if (cf->state == FILE_READ_ABORTED) {
890 /* Well, the user decided to exit Wireshark. Return CF_READ_ABORTED
891 so that our caller can kill off the capture child process;
892 this will cause an EOF on the pipe from the child, so
893 "cf_finish_tail()" will be called, and it will clean up
895 return CF_READ_ABORTED;
896 } else if (*err != 0) {
897 /* We got an error reading the capture file.
898 XXX - pop up a dialog box instead? */
899 g_warning("Error \"%s\" while reading: \"%s\"\n",
900 wtap_strerror(*err), cf->filename);
902 return CF_READ_ERROR;
908 cf_finish_tail(capture_file *cf, int *err)
913 gboolean filtering_tap_listeners;
917 /* Compile the current display filter.
918 * We assume this will not fail since cf->dfilter is only set in
919 * cf_filter IFF the filter was valid.
921 compiled = dfilter_compile(cf->dfilter, &dfcode);
922 g_assert(!cf->dfilter || (compiled && dfcode));
924 /* Do we have any tap listeners with filters? */
925 filtering_tap_listeners = have_filtering_tap_listeners();
927 /* Get the union of the flags for all tap listeners. */
928 tap_flags = union_of_tap_listener_flags();
930 if(cf->wth == NULL) {
932 return CF_READ_ERROR;
935 #ifdef NEW_PACKET_LIST
936 new_packet_list_check_end();
937 /* Don't freeze/thaw the list when doing live capture */
938 /*new_packet_list_freeze();*/
940 packet_list_check_end();
941 packet_list_freeze();
944 while ((wtap_read(cf->wth, err, &err_info, &data_offset))) {
945 if (cf->state == FILE_READ_ABORTED) {
946 /* Well, the user decided to abort the read. Break out of the
947 loop, and let the code below (which is called even if there
948 aren't any packets left to read) exit. */
951 read_packet(cf, dfcode, filtering_tap_listeners, tap_flags, data_offset);
954 /* Cleanup and release all dfilter resources */
956 dfilter_free(dfcode);
959 #ifdef NEW_PACKET_LIST
960 /* Don't freeze/thaw the list when doing live capture */
961 /*new_packet_list_thaw();*/
966 if (cf->state == FILE_READ_ABORTED) {
967 /* Well, the user decided to abort the read. We're only called
968 when the child capture process closes the pipe to us (meaning
969 it's probably exited), so we can just close the capture
970 file; we return CF_READ_ABORTED so our caller can do whatever
971 is appropriate when that happens. */
973 return CF_READ_ABORTED;
976 if (auto_scroll_live && cf->plist_end != NULL)
977 #ifdef NEW_PACKET_LIST
978 new_packet_list_moveto_end();
980 /* XXX - this cheats and looks inside the packet list to find the final
982 packet_list_moveto_end();
985 /* We're done reading sequentially through the file. */
986 cf->state = FILE_READ_DONE;
988 /* We're done reading sequentially through the file; close the
989 sequential I/O side, to free up memory it requires. */
990 wtap_sequential_close(cf->wth);
992 /* Allow the protocol dissectors to free up memory that they
993 * don't need after the sequential run-through of the packets. */
994 postseq_cleanup_all_protocols();
996 /* Set the file encapsulation type now; we don't know what it is until
997 we've looked at all the packets, as we don't know until then whether
998 there's more than one type (and thus whether it's
999 WTAP_ENCAP_PER_PACKET). */
1000 cf->lnk_t = wtap_file_encap(cf->wth);
1003 /* We got an error reading the capture file.
1004 XXX - pop up a dialog box? */
1005 return CF_READ_ERROR;
1010 #endif /* HAVE_LIBPCAP */
1013 cf_get_display_name(capture_file *cf)
1015 const gchar *displayname;
1017 /* Return a name to use in displays */
1018 if (!cf->is_tempfile) {
1019 /* Get the last component of the file name, and use that. */
1021 displayname = get_basename(cf->filename);
1023 displayname="(No file)";
1026 /* The file we read is a temporary file from a live capture;
1027 we don't mention its name. */
1029 displayname = cf->source;
1031 displayname = "(Untitled)";
1037 void cf_set_tempfile_source(capture_file *cf, gchar *source) {
1043 cf->source = g_strdup(source);
1045 cf->source = g_strdup("");
1049 const gchar *cf_get_tempfile_source(capture_file *cf) {
1057 /* XXX - use a macro instead? */
1059 cf_get_packet_count(capture_file *cf)
1064 /* XXX - use a macro instead? */
1066 cf_set_packet_count(capture_file *cf, int packet_count)
1068 cf->count = packet_count;
1071 /* XXX - use a macro instead? */
1073 cf_is_tempfile(capture_file *cf)
1075 return cf->is_tempfile;
1078 void cf_set_tempfile(capture_file *cf, gboolean is_tempfile)
1080 cf->is_tempfile = is_tempfile;
1084 /* XXX - use a macro instead? */
1085 void cf_set_drops_known(capture_file *cf, gboolean drops_known)
1087 cf->drops_known = drops_known;
1090 /* XXX - use a macro instead? */
1091 void cf_set_drops(capture_file *cf, guint32 drops)
1096 /* XXX - use a macro instead? */
1097 gboolean cf_get_drops_known(capture_file *cf)
1099 return cf->drops_known;
1102 /* XXX - use a macro instead? */
1103 guint32 cf_get_drops(capture_file *cf)
1108 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode)
1110 cf->rfcode = rfcode;
1113 #ifdef NEW_PACKET_LIST
1115 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1116 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1118 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1120 gboolean add_to_packet_list)
1122 gboolean create_proto_tree = FALSE;
1127 cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
1129 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1130 &first_ts, &prev_dis_ts, &prev_cap_ts);
1133 + we have a display filter and are re-applying it;
1134 + we have tap listeners with filters;
1135 + we have tap listeners that require a protocol tree;
1137 allocate a protocol tree root node, so that we'll construct
1138 a protocol tree against which a filter expression can be
1140 if ((dfcode != NULL && refilter) ||
1141 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1142 create_proto_tree = TRUE;
1144 /* Dissect the frame. */
1145 epan_dissect_init(&edt, create_proto_tree, FALSE);
1147 if (dfcode != NULL && refilter) {
1148 epan_dissect_prime_dfilter(&edt, dfcode);
1151 tap_queue_init(&edt);
1152 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1153 tap_push_tapped_queue(&edt);
1155 /* If we have a display filter, apply it if we're refiltering, otherwise
1156 leave the "passed_dfilter" flag alone.
1158 If we don't have a display filter, set "passed_dfilter" to 1. */
1159 if (dfcode != NULL) {
1161 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1164 fdata->flags.passed_dfilter = 1;
1166 if (add_to_packet_list) {
1167 /* We fill the needed columns from new_packet_list */
1168 row = new_packet_list_append(cinfo, fdata, &edt.pi);
1171 if(fdata->flags.passed_dfilter || fdata->flags.ref_time)
1173 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1175 /* If we haven't yet seen the first frame, this is it.
1177 XXX - we must do this before we add the row to the display,
1178 as, if the display's GtkCList's selection mode is
1179 GTK_SELECTION_BROWSE, when the first entry is added to it,
1180 "cf_select_packet()" will be called, and it will fetch the row
1181 data for the 0th row, and will get a null pointer rather than
1182 "fdata", as "gtk_clist_append()" won't yet have returned and
1183 thus "gtk_clist_set_row_data()" won't yet have been called.
1185 We thus need to leave behind bread crumbs so that
1186 "cf_select_packet()" can find this frame. See the comment
1187 in "cf_select_packet()". */
1188 if (cf->first_displayed == NULL)
1189 cf->first_displayed = fdata;
1191 /* This is the last frame we've seen so far. */
1192 cf->last_displayed = fdata;
1194 cf->displayed_count++;
1197 epan_dissect_cleanup(&edt);
1204 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1205 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1207 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1209 gboolean add_to_packet_list _U_)
1211 gboolean create_proto_tree = FALSE;
1218 /* just add some value here until we know if it is being displayed or not */
1219 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
1221 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1222 &first_ts, &prev_dis_ts, &prev_cap_ts);
1226 we have a display filter and are re-applying it;
1228 we have a list of color filters;
1230 we have tap listeners with filters;
1232 we have tap listeners that require a protocol tree;
1234 we have custom columns;
1236 allocate a protocol tree root node, so that we'll construct
1237 a protocol tree against which a filter expression can be
1239 if ((dfcode != NULL && refilter) ||
1240 color_filters_used() ||
1241 have_custom_cols(cinfo) ||
1242 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1243 create_proto_tree = TRUE;
1245 /* Dissect the frame. */
1246 epan_dissect_init(&edt, create_proto_tree, FALSE);
1248 if (dfcode != NULL && refilter) {
1249 epan_dissect_prime_dfilter(&edt, dfcode);
1252 /* prepare color filters */
1253 color_filters_prime_edt(&edt);
1254 col_custom_prime_edt(&edt, cinfo);
1256 tap_queue_init(&edt);
1257 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1258 tap_push_tapped_queue(&edt);
1260 /* If we have a display filter, apply it if we're refiltering, otherwise
1261 leave the "passed_dfilter" flag alone.
1263 If we don't have a display filter, set "passed_dfilter" to 1. */
1264 if (dfcode != NULL) {
1266 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1269 fdata->flags.passed_dfilter = 1;
1271 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) )
1273 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1275 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
1277 /* If we haven't yet seen the first frame, this is it.
1279 XXX - we must do this before we add the row to the display,
1280 as, if the display's GtkCList's selection mode is
1281 GTK_SELECTION_BROWSE, when the first entry is added to it,
1282 "cf_select_packet()" will be called, and it will fetch the row
1283 data for the 0th row, and will get a null pointer rather than
1284 "fdata", as "gtk_clist_append()" won't yet have returned and
1285 thus "gtk_clist_set_row_data()" won't yet have been called.
1287 We thus need to leave behind bread crumbs so that
1288 "cf_select_packet()" can find this frame. See the comment
1289 in "cf_select_packet()". */
1290 if (cf->first_displayed == NULL)
1291 cf->first_displayed = fdata;
1293 /* This is the last frame we've seen so far. */
1294 cf->last_displayed = fdata;
1296 row = packet_list_append(cinfo->col_data, fdata);
1298 /* colorize packet: first apply color filters
1299 * then if packet is marked, use preferences to overwrite color
1300 * we do both to make sure that when a packet gets un-marked, the
1301 * color will be correctly set (fixes bug 2038)
1303 fdata->color_filter = color_filters_colorize_packet(row, &edt);
1304 if (fdata->flags.marked) {
1305 packet_list_set_colors(row, &prefs.gui_marked_fg, &prefs.gui_marked_bg);
1307 if (fdata->flags.ignored) {
1308 packet_list_set_colors(row, &prefs.gui_ignored_fg, &prefs.gui_ignored_bg);
1311 cf->displayed_count++;
1314 epan_dissect_cleanup(&edt);
1319 /* read in a new packet */
1320 /* returns the row of the new packet in the packet list or -1 if not displayed */
1322 read_packet(capture_file *cf, dfilter_t *dfcode,
1323 gboolean filtering_tap_listeners, guint tap_flags, gint64 offset)
1325 const struct wtap_pkthdr *phdr = wtap_phdr(cf->wth);
1326 union wtap_pseudo_header *pseudo_header = wtap_pseudoheader(cf->wth);
1327 const guchar *buf = wtap_buf_ptr(cf->wth);
1334 /* Allocate the next list entry, and add it to the list.
1335 * memory chunks have been deprecated in favor of the slice allocator,
1336 * which has been added in 2.10
1338 #if GLIB_CHECK_VERSION(2,10,0)
1339 fdata = g_slice_new(frame_data);
1341 fdata = g_mem_chunk_alloc(cf->plist_chunk);
1344 frame_data_init(fdata, cf->count, phdr, offset, cum_bytes);
1346 #ifdef NEW_PACKET_LIST
1347 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1348 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1354 epan_dissect_init(&edt, TRUE, FALSE);
1355 epan_dissect_prime_dfilter(&edt, cf->rfcode);
1356 epan_dissect_run(&edt, pseudo_header, buf, fdata, NULL);
1357 passed = dfilter_apply_edt(cf->rfcode, &edt);
1358 epan_dissect_cleanup(&edt);
1362 cap_file_add_fdata(cf, fdata);
1364 cf->f_datalen = offset + fdata->cap_len;
1366 if (!cf->redissecting) {
1367 row = add_packet_to_packet_list(fdata, cf, dfcode,
1368 filtering_tap_listeners, tap_flags,
1369 pseudo_header, buf, TRUE, TRUE);
1372 /* We didn't pass read filter so roll back count */
1375 /* XXX - if we didn't have read filters, or if we could avoid
1376 allocating the "frame_data" structure until we knew whether
1377 the frame passed the read filter, we could use a G_ALLOC_ONLY
1380 ...but, at least in one test I did, where I just made the chunk
1381 a G_ALLOC_ONLY chunk and read in a huge capture file, it didn't
1382 seem to save a noticeable amount of time or space. */
1383 #if GLIB_CHECK_VERSION(2,10,0)
1384 /* memory chunks have been deprecated in favor of the slice allocator,
1385 * which has been added in 2.10
1387 g_slice_free(frame_data,fdata);
1389 g_mem_chunk_free(cf->plist_chunk, fdata);
1397 cf_merge_files(char **out_filenamep, int in_file_count,
1398 char *const *in_filenames, int file_type, gboolean do_append)
1400 merge_in_file_t *in_files;
1406 int open_err, read_err, write_err, close_err;
1410 char errmsg_errno[1024+1];
1412 gboolean got_read_error = FALSE, got_write_error = FALSE;
1414 progdlg_t *progbar = NULL;
1416 gint64 f_len, file_pos;
1418 GTimeVal start_time;
1419 gchar status_str[100];
1420 gint64 progbar_nextstep;
1421 gint64 progbar_quantum;
1423 /* open the input files */
1424 if (!merge_open_in_files(in_file_count, in_filenames, &in_files,
1425 &open_err, &err_info, &err_fileno)) {
1427 cf_open_failure_alert_box(in_filenames[err_fileno], open_err, err_info,
1432 if (*out_filenamep != NULL) {
1433 out_filename = *out_filenamep;
1434 out_fd = ws_open(out_filename, O_CREAT|O_TRUNC|O_BINARY, 0600);
1438 out_fd = create_tempfile(&tmpname, "wireshark");
1441 out_filename = g_strdup(tmpname);
1442 *out_filenamep = out_filename;
1446 merge_close_in_files(in_file_count, in_files);
1448 cf_open_failure_alert_box(out_filename, open_err, NULL, TRUE, file_type);
1452 pdh = wtap_dump_fdopen(out_fd, file_type,
1453 merge_select_frame_type(in_file_count, in_files),
1454 merge_max_snapshot_length(in_file_count, in_files),
1455 FALSE /* compressed */, &open_err);
1458 merge_close_in_files(in_file_count, in_files);
1460 cf_open_failure_alert_box(out_filename, open_err, err_info, TRUE,
1465 /* Get the sum of the sizes of all the files. */
1467 for (i = 0; i < in_file_count; i++)
1468 f_len += in_files[i].size;
1470 /* Update the progress bar when it gets to this value. */
1471 progbar_nextstep = 0;
1472 /* When we reach the value that triggers a progress bar update,
1473 bump that value by this amount. */
1474 progbar_quantum = f_len/N_PROGBAR_UPDATES;
1475 /* Progress so far. */
1479 g_get_current_time(&start_time);
1481 /* do the merge (or append) */
1484 wth = merge_append_read_packet(in_file_count, in_files, &read_err,
1487 wth = merge_read_packet(in_file_count, in_files, &read_err,
1491 got_read_error = TRUE;
1495 /* Get the sum of the data offsets in all of the files. */
1497 for (i = 0; i < in_file_count; i++)
1498 data_offset += in_files[i].data_offset;
1500 /* Create the progress bar if necessary.
1501 We check on every iteration of the loop, so that it takes no
1502 longer than the standard time to create it (otherwise, for a
1503 large file, we might take considerably longer than that standard
1504 time in order to get to the next progress bar step). */
1505 if (progbar == NULL) {
1506 progbar = delayed_create_progress_dlg("Merging", "files",
1507 FALSE, &stop_flag, &start_time, progbar_val);
1510 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1511 when we update it, we have to run the GTK+ main loop to get it
1512 to repaint what's pending, and doing so may involve an "ioctl()"
1513 to see if there's any pending input from an X server, and doing
1514 that for every packet can be costly, especially on a big file. */
1515 if (data_offset >= progbar_nextstep) {
1516 /* Get the sum of the seek positions in all of the files. */
1518 for (i = 0; i < in_file_count; i++)
1519 file_pos += wtap_read_so_far(in_files[i].wth, NULL);
1520 progbar_val = (gfloat) file_pos / (gfloat) f_len;
1521 if (progbar_val > 1.0f) {
1522 /* Some file probably grew while we were reading it.
1523 That "shouldn't happen", so we'll just clip the progress
1527 if (progbar != NULL) {
1528 g_snprintf(status_str, sizeof(status_str),
1529 "%" G_GINT64_MODIFIER "dKB of %" G_GINT64_MODIFIER "dKB",
1530 file_pos / 1024, f_len / 1024);
1531 update_progress_dlg(progbar, progbar_val, status_str);
1533 progbar_nextstep += progbar_quantum;
1537 /* Well, the user decided to abort the merge. */
1541 if (!wtap_dump(pdh, wtap_phdr(wth), wtap_pseudoheader(wth),
1542 wtap_buf_ptr(wth), &write_err)) {
1543 got_write_error = TRUE;
1548 /* We're done merging the files; destroy the progress bar if it was created. */
1549 if (progbar != NULL)
1550 destroy_progress_dlg(progbar);
1552 merge_close_in_files(in_file_count, in_files);
1553 if (!got_read_error && !got_write_error) {
1554 if (!wtap_dump_close(pdh, &write_err))
1555 got_write_error = TRUE;
1557 wtap_dump_close(pdh, &close_err);
1559 if (got_read_error) {
1561 * Find the file on which we got the error, and report the error.
1563 for (i = 0; i < in_file_count; i++) {
1564 if (in_files[i].state == GOT_ERROR) {
1565 /* Put up a message box noting that a read failed somewhere along
1569 case WTAP_ERR_UNSUPPORTED_ENCAP:
1570 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1571 "The capture file %%s has a packet with a network type that Wireshark doesn't support.\n(%s)",
1574 errmsg = errmsg_errno;
1577 case WTAP_ERR_CANT_READ:
1578 errmsg = "An attempt to read from the capture file %s failed for"
1579 " some unknown reason.";
1582 case WTAP_ERR_SHORT_READ:
1583 errmsg = "The capture file %s appears to have been cut short"
1584 " in the middle of a packet.";
1587 case WTAP_ERR_BAD_RECORD:
1588 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1589 "The capture file %%s appears to be damaged or corrupt.\n(%s)",
1592 errmsg = errmsg_errno;
1596 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1597 "An error occurred while reading the"
1598 " capture file %%s: %s.", wtap_strerror(read_err));
1599 errmsg = errmsg_errno;
1602 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, errmsg, in_files[i].filename);
1607 if (got_write_error) {
1608 /* Put up an alert box for the write error. */
1609 cf_write_failure_alert_box(out_filename, write_err);
1612 if (got_read_error || got_write_error || stop_flag) {
1613 /* Callers aren't expected to treat an error or an explicit abort
1614 differently - we put up error dialogs ourselves, so they don't
1622 cf_filter_packets(capture_file *cf, gchar *dftext, gboolean force)
1624 const char *filter_new = dftext ? dftext : "";
1625 const char *filter_old = cf->dfilter ? cf->dfilter : "";
1627 GTimeVal start_time;
1629 /* if new filter equals old one, do nothing unless told to do so */
1630 if (!force && strcmp(filter_new, filter_old) == 0) {
1636 if (dftext == NULL) {
1637 /* The new filter is an empty filter (i.e., display all packets).
1638 * so leave dfcode==NULL
1642 * We have a filter; make a copy of it (as we'll be saving it),
1643 * and try to compile it.
1645 dftext = g_strdup(dftext);
1646 if (!dfilter_compile(dftext, &dfcode)) {
1647 /* The attempt failed; report an error. */
1648 gchar *safe_dftext = simple_dialog_format_message(dftext);
1649 gchar *safe_dfilter_error_msg = simple_dialog_format_message(
1651 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1654 "The following display filter isn't a valid display filter:\n%s\n"
1655 "See the help for a description of the display filter syntax.",
1656 simple_dialog_primary_start(), safe_dfilter_error_msg,
1657 simple_dialog_primary_end(), safe_dftext);
1658 g_free(safe_dfilter_error_msg);
1659 g_free(safe_dftext);
1665 if (dfcode == NULL) {
1666 /* Yes - free the filter text, and set it to null. */
1672 /* We have a valid filter. Replace the current filter. */
1673 g_free(cf->dfilter);
1674 cf->dfilter = dftext;
1675 g_get_current_time(&start_time);
1678 /* Now rescan the packet list, applying the new filter, but not
1679 throwing away information constructed on a previous pass. */
1680 if (dftext == NULL) {
1681 rescan_packets(cf, "Resetting", "Filter", TRUE, FALSE);
1683 rescan_packets(cf, "Filtering", dftext, TRUE, FALSE);
1686 /* Cleanup and release all dfilter resources */
1687 dfilter_free(dfcode);
1693 cf_colorize_packets(capture_file *cf)
1695 rescan_packets(cf, "Colorizing", "all packets", FALSE, FALSE);
1699 cf_reftime_packets(capture_file *cf)
1702 #ifdef NEW_PACKET_LIST
1703 ref_time_packets(cf);
1705 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1710 cf_redissect_packets(capture_file *cf)
1712 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1715 /* Rescan the list of packets, reconstructing the CList.
1717 "action" describes why we're doing this; it's used in the progress
1720 "action_item" describes what we're doing; it's used in the progress
1723 "refilter" is TRUE if we need to re-evaluate the filter expression.
1725 "redissect" is TRUE if we need to make the dissectors reconstruct
1726 any state information they have (because a preference that affects
1727 some dissector has changed, meaning some dissector might construct
1728 its state differently from the way it was constructed the last time). */
1729 #ifdef NEW_PACKET_LIST
1731 rescan_packets(capture_file *cf, const char *action, const char *action_item,
1732 gboolean refilter, gboolean redissect)
1734 /* Rescan packets new packet list */
1736 progdlg_t *progbar = NULL;
1741 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
1742 int selected_frame_num, preceding_frame_num, following_frame_num, prev_frame_num;
1743 gboolean selected_frame_seen;
1746 GTimeVal start_time;
1747 gchar status_str[100];
1748 int progbar_nextstep;
1749 int progbar_quantum;
1751 gboolean filtering_tap_listeners;
1753 gboolean add_to_packet_list = FALSE;
1756 /* Compile the current display filter.
1757 * We assume this will not fail since cf->dfilter is only set in
1758 * cf_filter IFF the filter was valid.
1760 compiled = dfilter_compile(cf->dfilter, &dfcode);
1761 g_assert(!cf->dfilter || (compiled && dfcode));
1763 /* Do we have any tap listeners with filters? */
1764 filtering_tap_listeners = have_filtering_tap_listeners();
1766 /* Get the union of the flags for all tap listeners. */
1767 tap_flags = union_of_tap_listener_flags();
1769 reset_tap_listeners();
1770 /* Which frame, if any, is the currently selected frame?
1771 XXX - should the selected frame or the focus frame be the "current"
1772 frame, that frame being the one from which "Find Frame" searches
1774 selected_frame = cf->current_frame;
1776 /* Mark frane num as not found */
1777 selected_frame_num = -1;
1779 /* Freeze the packet list while we redo it, so we don't get any
1780 screen updates while it happens. */
1781 new_packet_list_freeze();
1784 /* We need to re-initialize all the state information that protocols
1785 keep, because some preference that controls a dissector has changed,
1786 which might cause the state information to be constructed differently
1787 by that dissector. */
1789 /* We might receive new packets while redissecting, and we don't
1790 want to dissect those before their time. */
1791 cf->redissecting = TRUE;
1793 /* Cleanup all data structures used for dissection. */
1794 cleanup_dissection();
1795 /* Initialize all data structures used for dissection. */
1798 /* We need to redissect the packets so we have to discard our old
1799 * packet list store. */
1800 new_packet_list_clear();
1801 add_to_packet_list = TRUE;
1804 /* We don't yet know which will be the first and last frames displayed. */
1805 cf->first_displayed = NULL;
1806 cf->last_displayed = NULL;
1808 /* We currently don't display any packets */
1809 cf->displayed_count = 0;
1811 /* Iterate through the list of frames. Call a routine for each frame
1812 to check whether it should be displayed and, if so, add it to
1813 the display list. */
1814 nstime_set_unset(&first_ts);
1815 nstime_set_unset(&prev_dis_ts);
1816 nstime_set_unset(&prev_cap_ts);
1819 /* Update the progress bar when it gets to this value. */
1820 progbar_nextstep = 0;
1821 /* When we reach the value that triggers a progress bar update,
1822 bump that value by this amount. */
1823 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
1824 /* Count of packets at which we've looked. */
1826 /* Progress so far. */
1830 g_get_current_time(&start_time);
1832 /* no previous row yet */
1834 prev_frame_num = -1;
1837 preceding_frame_num = -1;
1838 preceding_frame = NULL;
1839 following_frame_num = -1;
1840 following_frame = NULL;
1842 selected_frame_seen = FALSE;
1844 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
1845 /* Create the progress bar if necessary.
1846 We check on every iteration of the loop, so that it takes no
1847 longer than the standard time to create it (otherwise, for a
1848 large file, we might take considerably longer than that standard
1849 time in order to get to the next progress bar step). */
1850 if (progbar == NULL)
1851 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
1852 &stop_flag, &start_time,
1855 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1856 when we update it, we have to run the GTK+ main loop to get it
1857 to repaint what's pending, and doing so may involve an "ioctl()"
1858 to see if there's any pending input from an X server, and doing
1859 that for every packet can be costly, especially on a big file. */
1860 if (count >= progbar_nextstep) {
1861 /* let's not divide by zero. I should never be started
1862 * with count == 0, so let's assert that
1864 g_assert(cf->count > 0);
1865 progbar_val = (gfloat) count / cf->count;
1867 if (progbar != NULL) {
1868 g_snprintf(status_str, sizeof(status_str),
1869 "%4u of %u frames", count, cf->count);
1870 update_progress_dlg(progbar, progbar_val, status_str);
1873 progbar_nextstep += progbar_quantum;
1877 /* Well, the user decided to abort the filtering. Just stop.
1879 XXX - go back to the previous filter? Users probably just
1880 want not to wait for a filtering operation to finish;
1881 unless we cancel by having no filter, reverting to the
1882 previous filter will probably be even more expensive than
1883 continuing the filtering, as it involves going back to the
1884 beginning and filtering, and even with no filter we currently
1885 have to re-generate the entire clist, which is also expensive.
1887 I'm not sure what Network Monitor does, but it doesn't appear
1888 to give you an unfiltered display if you cancel. */
1895 /* Since all state for the frame was destroyed, mark the frame
1896 * as not visited, free the GSList referring to the state
1897 * data (the per-frame data itself was freed by
1898 * "init_dissection()"), and null out the GSList pointer. */
1899 fdata->flags.visited = 0;
1900 frame_data_cleanup(fdata);
1902 /* cleanup_dissection() calls se_free_all();
1903 * And after that fdata->col_text (which is allocated using se_alloc0())
1904 * no longer points to valid memory.
1906 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1907 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1910 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
1911 cf->pd, fdata->cap_len, &err, &err_info)) {
1912 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1913 cf_read_error_message(err, err_info), cf->filename);
1917 /* If the previous frame is displayed, and we haven't yet seen the
1918 selected frame, remember that frame - it's the closest one we've
1919 yet seen before the selected frame. */
1920 if (prev_frame_num != -1 && !selected_frame_seen && prev_frame->flags.passed_dfilter) {
1921 preceding_frame_num = prev_frame_num;
1922 preceding_frame = prev_frame;
1924 add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
1925 tap_flags, &cf->pseudo_header, cf->pd,
1927 add_to_packet_list);
1929 /* If this frame is displayed, and this is the first frame we've
1930 seen displayed after the selected frame, remember this frame -
1931 it's the closest one we've yet seen at or after the selected
1933 if (fdata->flags.passed_dfilter && selected_frame_seen && following_frame_num == -1) {
1934 following_frame_num = fdata->num;
1935 following_frame = fdata;
1937 if (fdata == selected_frame) {
1938 selected_frame_seen = TRUE;
1939 if (fdata->flags.passed_dfilter)
1940 selected_frame_num = fdata->num;
1943 /* Remember this frame - it'll be the previous frame
1944 on the next pass through the loop. */
1945 prev_frame_num = fdata->num;
1949 /* We are done redissecting the packet list. */
1950 cf->redissecting = FALSE;
1953 /* Clear out what remains of the visited flags and per-frame data
1956 XXX - that may cause various forms of bogosity when dissecting
1957 these frames, as they won't have been seen by this sequential
1958 pass, but the only alternative I see is to keep scanning them
1959 even though the user requested that the scan stop, and that
1960 would leave the user stuck with an Wireshark grinding on
1961 until it finishes. Should we just stick them with that? */
1962 for (; fdata != NULL; fdata = fdata->next) {
1963 fdata->flags.visited = 0;
1964 frame_data_cleanup(fdata);
1968 /* We're done filtering the packets; destroy the progress bar if it
1970 if (progbar != NULL)
1971 destroy_progress_dlg(progbar);
1973 /* Unfreeze the packet list. */
1974 if (!add_to_packet_list)
1975 new_packet_list_recreate_visible_rows();
1977 /* Compute the time it took to filter the file */
1978 compute_elapsed(&start_time);
1980 new_packet_list_thaw();
1982 if (selected_frame_num == -1) {
1983 /* The selected frame didn't pass the filter. */
1984 if (selected_frame == NULL) {
1985 /* That's because there *was* no selected frame. Make the first
1986 displayed frame the current frame. */
1987 selected_frame_num = 0;
1989 /* Find the nearest displayed frame to the selected frame (whether
1990 it's before or after that frame) and make that the current frame.
1991 If the next and previous displayed frames are equidistant from the
1992 selected frame, choose the next one. */
1993 g_assert(following_frame == NULL ||
1994 following_frame->num >= selected_frame->num);
1995 g_assert(preceding_frame == NULL ||
1996 preceding_frame->num <= selected_frame->num);
1997 if (following_frame == NULL) {
1998 /* No frame after the selected frame passed the filter, so we
1999 have to select the last displayed frame before the selected
2001 selected_frame_num = preceding_frame_num;
2002 selected_frame = preceding_frame;
2003 } else if (preceding_frame == NULL) {
2004 /* No frame before the selected frame passed the filter, so we
2005 have to select the first displayed frame after the selected
2007 selected_frame_num = following_frame_num;
2008 selected_frame = following_frame;
2010 /* Frames before and after the selected frame passed the filter, so
2011 we'll select the previous frame */
2012 selected_frame_num = preceding_frame_num;
2013 selected_frame = preceding_frame;
2018 if (selected_frame_num == -1) {
2019 /* There are no frames displayed at all. */
2020 cf_unselect_packet(cf);
2022 /* Either the frame that was selected passed the filter, or we've
2023 found the nearest displayed frame to that frame. Select it, make
2024 it the focus row, and make it visible. */
2025 /* Set to invalid to force update of packet list and packet details */
2026 cf->current_row = -1;
2027 if (selected_frame_num == 0) {
2028 new_packet_list_select_first_row();
2030 new_packet_list_find_row_from_data(selected_frame, TRUE);
2034 /* Cleanup and release all dfilter resources */
2035 dfilter_free(dfcode);
2041 rescan_packets(capture_file *cf, const char *action, const char *action_item,
2042 gboolean refilter, gboolean redissect)
2045 progdlg_t *progbar = NULL;
2050 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
2051 int selected_row, prev_row, preceding_row, following_row;
2052 gboolean selected_frame_seen;
2055 GTimeVal start_time;
2056 gchar status_str[100];
2057 int progbar_nextstep;
2058 int progbar_quantum;
2060 gboolean filtering_tap_listeners;
2062 gboolean add_to_packet_list = TRUE;
2065 /* Compile the current display filter.
2066 * We assume this will not fail since cf->dfilter is only set in
2067 * cf_filter IFF the filter was valid.
2069 compiled = dfilter_compile(cf->dfilter, &dfcode);
2070 g_assert(!cf->dfilter || (compiled && dfcode));
2072 /* Do we have any tap listeners with filters? */
2073 filtering_tap_listeners = have_filtering_tap_listeners();
2075 /* Get the union of the flags for all tap listeners. */
2076 tap_flags = union_of_tap_listener_flags();
2078 reset_tap_listeners();
2079 /* Which frame, if any, is the currently selected frame?
2080 XXX - should the selected frame or the focus frame be the "current"
2081 frame, that frame being the one from which "Find Frame" searches
2083 selected_frame = cf->current_frame;
2085 /* We don't yet know what row that frame will be on, if any, after we
2086 rebuild the clist, however. */
2089 /* Freeze the packet list while we redo it, so we don't get any
2090 screen updates while it happens. */
2091 packet_list_freeze();
2094 packet_list_clear();
2097 /* We need to re-initialize all the state information that protocols
2098 keep, because some preference that controls a dissector has changed,
2099 which might cause the state information to be constructed differently
2100 by that dissector. */
2102 /* We might receive new packets while redissecting, and we don't
2103 want to dissect those before their time. */
2104 cf->redissecting = TRUE;
2106 /* Cleanup all data structures used for dissection. */
2107 cleanup_dissection();
2108 /* Initialize all data structures used for dissection. */
2113 /* We don't yet know which will be the first and last frames displayed. */
2114 cf->first_displayed = NULL;
2115 cf->last_displayed = NULL;
2119 /* We currently don't display any packets */
2120 cf->displayed_count = 0;
2122 /* Iterate through the list of frames. Call a routine for each frame
2123 to check whether it should be displayed and, if so, add it to
2124 the display list. */
2125 nstime_set_unset(&first_ts);
2126 nstime_set_unset(&prev_dis_ts);
2127 nstime_set_unset(&prev_cap_ts);
2130 /* Update the progress bar when it gets to this value. */
2131 progbar_nextstep = 0;
2132 /* When we reach the value that triggers a progress bar update,
2133 bump that value by this amount. */
2134 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2135 /* Count of packets at which we've looked. */
2137 /* Progress so far. */
2141 g_get_current_time(&start_time);
2143 row = -1; /* no previous row yet */
2148 preceding_frame = NULL;
2150 following_frame = NULL;
2152 selected_frame_seen = FALSE;
2154 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2155 /* Create the progress bar if necessary.
2156 We check on every iteration of the loop, so that it takes no
2157 longer than the standard time to create it (otherwise, for a
2158 large file, we might take considerably longer than that standard
2159 time in order to get to the next progress bar step). */
2160 if (progbar == NULL)
2161 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
2162 &stop_flag, &start_time,
2165 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2166 when we update it, we have to run the GTK+ main loop to get it
2167 to repaint what's pending, and doing so may involve an "ioctl()"
2168 to see if there's any pending input from an X server, and doing
2169 that for every packet can be costly, especially on a big file. */
2170 if (count >= progbar_nextstep) {
2171 /* let's not divide by zero. I should never be started
2172 * with count == 0, so let's assert that
2174 g_assert(cf->count > 0);
2175 progbar_val = (gfloat) count / cf->count;
2177 if (progbar != NULL) {
2178 g_snprintf(status_str, sizeof(status_str),
2179 "%4u of %u frames", count, cf->count);
2180 update_progress_dlg(progbar, progbar_val, status_str);
2183 progbar_nextstep += progbar_quantum;
2187 /* Well, the user decided to abort the filtering. Just stop.
2189 XXX - go back to the previous filter? Users probably just
2190 want not to wait for a filtering operation to finish;
2191 unless we cancel by having no filter, reverting to the
2192 previous filter will probably be even more expensive than
2193 continuing the filtering, as it involves going back to the
2194 beginning and filtering, and even with no filter we currently
2195 have to re-generate the entire clist, which is also expensive.
2197 I'm not sure what Network Monitor does, but it doesn't appear
2198 to give you an unfiltered display if you cancel. */
2205 /* Since all state for the frame was destroyed, mark the frame
2206 * as not visited, free the GSList referring to the state
2207 * data (the per-frame data itself was freed by
2208 * "init_dissection()"), and null out the GSList pointer.
2210 fdata->flags.visited = 0;
2211 frame_data_cleanup(fdata);
2214 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
2215 cf->pd, fdata->cap_len, &err, &err_info)) {
2216 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2217 cf_read_error_message(err, err_info), cf->filename);
2221 /* If the previous frame is displayed, and we haven't yet seen the
2222 selected frame, remember that frame - it's the closest one we've
2223 yet seen before the selected frame. */
2224 if (prev_row != -1 && !selected_frame_seen) {
2225 preceding_row = prev_row;
2226 preceding_frame = prev_frame;
2228 row = add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
2229 tap_flags, &cf->pseudo_header, cf->pd,
2231 add_to_packet_list);
2233 /* If this frame is displayed, and this is the first frame we've
2234 seen displayed after the selected frame, remember this frame -
2235 it's the closest one we've yet seen at or after the selected
2237 if (row != -1 && selected_frame_seen && following_row == -1) {
2238 following_row = row;
2239 following_frame = fdata;
2241 if (fdata == selected_frame) {
2243 selected_frame_seen = TRUE;
2246 /* Remember this row/frame - it'll be the previous row/frame
2247 on the next pass through the loop. */
2252 /* We are done redissecting the packet list. */
2253 cf->redissecting = FALSE;
2256 /* Clear out what remains of the visited flags and per-frame data
2259 XXX - that may cause various forms of bogosity when dissecting
2260 these frames, as they won't have been seen by this sequential
2261 pass, but the only alternative I see is to keep scanning them
2262 even though the user requested that the scan stop, and that
2263 would leave the user stuck with an Wireshark grinding on
2264 until it finishes. Should we just stick them with that? */
2265 for (; fdata != NULL; fdata = fdata->next) {
2266 fdata->flags.visited = 0;
2267 frame_data_cleanup(fdata);
2271 /* We're done filtering the packets; destroy the progress bar if it
2273 if (progbar != NULL)
2274 destroy_progress_dlg(progbar);
2276 /* Unfreeze the packet list. */
2279 if (selected_row == -1) {
2280 /* The selected frame didn't pass the filter. */
2281 if (selected_frame == NULL) {
2282 /* That's because there *was* no selected frame. Make the first
2283 displayed frame the current frame. */
2286 /* Find the nearest displayed frame to the selected frame (whether
2287 it's before or after that frame) and make that the current frame.
2288 If the next and previous displayed frames are equidistant from the
2289 selected frame, choose the next one. */
2290 g_assert(following_frame == NULL ||
2291 following_frame->num >= selected_frame->num);
2292 g_assert(preceding_frame == NULL ||
2293 preceding_frame->num <= selected_frame->num);
2294 if (following_frame == NULL) {
2295 /* No frame after the selected frame passed the filter, so we
2296 have to select the last displayed frame before the selected
2298 selected_row = preceding_row;
2299 } else if (preceding_frame == NULL) {
2300 /* No frame before the selected frame passed the filter, so we
2301 have to select the first displayed frame after the selected
2303 selected_row = following_row;
2305 /* Frames before and after the selected frame passed the filter, so
2306 we'll select the previous frame */
2307 selected_row = preceding_row;
2312 if (selected_row == -1) {
2313 /* There are no frames displayed at all. */
2314 cf_unselect_packet(cf);
2316 /* Either the frame that was selected passed the filter, or we've
2317 found the nearest displayed frame to that frame. Select it, make
2318 it the focus row, and make it visible. */
2319 if (selected_row == 0) {
2320 /* Set to invalid to force update of packet list and packet details */
2321 cf->current_row = -1;
2323 packet_list_set_selected_row(selected_row);
2326 /* Cleanup and release all dfilter resources */
2327 dfilter_free(dfcode);
2329 #endif /* NEW_PACKET_LIST */
2332 * Scan trough all frame data and recalculate the ref time
2333 * without rereading the file.
2334 * XXX - do we need a progres bar or is this fast enough?
2336 #ifdef NEW_PACKET_LIST
2338 ref_time_packets(capture_file *cf)
2342 nstime_set_unset(&first_ts);
2343 nstime_set_unset(&prev_dis_ts);
2344 nstime_set_unset(&prev_cap_ts);
2347 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2348 /* just add some value here until we know if it is being displayed or not */
2349 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
2351 /* If we don't have the time stamp of the first packet in the
2352 capture, it's because this is the first packet. Save the time
2353 stamp of this packet as the time stamp of the first packet. */
2354 if (nstime_is_unset(&first_ts)) {
2355 first_ts = fdata->abs_ts;
2357 /* if this frames is marked as a reference time frame, reset
2358 firstsec and firstusec to this frame */
2359 if(fdata->flags.ref_time){
2360 first_ts = fdata->abs_ts;
2363 /* If we don't have the time stamp of the previous displayed packet,
2364 it's because this is the first displayed packet. Save the time
2365 stamp of this packet as the time stamp of the previous displayed
2367 if (nstime_is_unset(&prev_dis_ts)) {
2368 prev_dis_ts = fdata->abs_ts;
2371 /* Get the time elapsed between the first packet and this packet. */
2372 nstime_delta(&fdata->rel_ts, &fdata->abs_ts, &first_ts);
2374 /* If it's greater than the current elapsed time, set the elapsed time
2375 to it (we check for "greater than" so as not to be confused by
2376 time moving backwards). */
2377 if ((gint32)cf->elapsed_time.secs < fdata->rel_ts.secs
2378 || ((gint32)cf->elapsed_time.secs == fdata->rel_ts.secs && (gint32)cf->elapsed_time.nsecs < fdata->rel_ts.nsecs)) {
2379 cf->elapsed_time = fdata->rel_ts;
2382 /* Get the time elapsed between the previous displayed packet and
2384 nstime_delta(&fdata->del_dis_ts, &fdata->abs_ts, &prev_dis_ts);
2386 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) ){
2387 /* This frame either passed the display filter list or is marked as
2388 a time reference frame. All time reference frames are displayed
2389 even if they dont pass the display filter */
2390 if(fdata->flags.ref_time){
2391 /* if this was a TIME REF frame we should reset the cul bytes field */
2392 cum_bytes = fdata->pkt_len;
2393 fdata->cum_bytes = cum_bytes;
2395 /* increase cum_bytes with this packets length */
2396 cum_bytes += fdata->pkt_len;
2410 process_specified_packets(capture_file *cf, packet_range_t *range,
2411 const char *string1, const char *string2, gboolean terminate_is_stop,
2412 gboolean (*callback)(capture_file *, frame_data *,
2413 union wtap_pseudo_header *, const guint8 *, void *),
2414 void *callback_args)
2419 union wtap_pseudo_header pseudo_header;
2420 guint8 pd[WTAP_MAX_PACKET_SIZE+1];
2421 psp_return_t ret = PSP_FINISHED;
2423 progdlg_t *progbar = NULL;
2426 gboolean progbar_stop_flag;
2427 GTimeVal progbar_start_time;
2428 gchar progbar_status_str[100];
2429 int progbar_nextstep;
2430 int progbar_quantum;
2431 range_process_e process_this;
2433 /* Update the progress bar when it gets to this value. */
2434 progbar_nextstep = 0;
2435 /* When we reach the value that triggers a progress bar update,
2436 bump that value by this amount. */
2437 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2438 /* Count of packets at which we've looked. */
2440 /* Progress so far. */
2443 progbar_stop_flag = FALSE;
2444 g_get_current_time(&progbar_start_time);
2446 packet_range_process_init(range);
2448 /* Iterate through the list of packets, printing the packets that
2449 were selected by the current display filter. */
2450 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2451 /* Create the progress bar if necessary.
2452 We check on every iteration of the loop, so that it takes no
2453 longer than the standard time to create it (otherwise, for a
2454 large file, we might take considerably longer than that standard
2455 time in order to get to the next progress bar step). */
2456 if (progbar == NULL)
2457 progbar = delayed_create_progress_dlg(string1, string2,
2460 &progbar_start_time,
2463 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2464 when we update it, we have to run the GTK+ main loop to get it
2465 to repaint what's pending, and doing so may involve an "ioctl()"
2466 to see if there's any pending input from an X server, and doing
2467 that for every packet can be costly, especially on a big file. */
2468 if (progbar_count >= progbar_nextstep) {
2469 /* let's not divide by zero. I should never be started
2470 * with count == 0, so let's assert that
2472 g_assert(cf->count > 0);
2473 progbar_val = (gfloat) progbar_count / cf->count;
2475 if (progbar != NULL) {
2476 g_snprintf(progbar_status_str, sizeof(progbar_status_str),
2477 "%4u of %u packets", progbar_count, cf->count);
2478 update_progress_dlg(progbar, progbar_val, progbar_status_str);
2481 progbar_nextstep += progbar_quantum;
2484 if (progbar_stop_flag) {
2485 /* Well, the user decided to abort the operation. Just stop,
2486 and arrange to return PSP_STOPPED to our caller, so they know
2487 it was stopped explicitly. */
2494 /* do we have to process this packet? */
2495 process_this = packet_range_process_packet(range, fdata);
2496 if (process_this == range_process_next) {
2497 /* this packet uninteresting, continue with next one */
2499 } else if (process_this == range_processing_finished) {
2500 /* all interesting packets processed, stop the loop */
2504 /* Get the packet */
2505 if (!wtap_seek_read(cf->wth, fdata->file_off, &pseudo_header,
2506 pd, fdata->cap_len, &err, &err_info)) {
2507 /* Attempt to get the packet failed. */
2508 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2509 cf_read_error_message(err, err_info), cf->filename);
2513 /* Process the packet */
2514 if (!callback(cf, fdata, &pseudo_header, pd, callback_args)) {
2515 /* Callback failed. We assume it reported the error appropriately. */
2521 /* We're done printing the packets; destroy the progress bar if
2523 if (progbar != NULL)
2524 destroy_progress_dlg(progbar);
2530 gboolean construct_protocol_tree;
2532 } retap_callback_args_t;
2535 retap_packet(capture_file *cf _U_, frame_data *fdata,
2536 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2539 retap_callback_args_t *args = argsp;
2542 epan_dissect_init(&edt, args->construct_protocol_tree, FALSE);
2543 tap_queue_init(&edt);
2544 epan_dissect_run(&edt, pseudo_header, pd, fdata, args->cinfo);
2545 tap_push_tapped_queue(&edt);
2546 epan_dissect_cleanup(&edt);
2552 cf_retap_packets(capture_file *cf)
2554 packet_range_t range;
2555 retap_callback_args_t callback_args;
2556 gboolean filtering_tap_listeners;
2559 /* Do we have any tap listeners with filters? */
2560 filtering_tap_listeners = have_filtering_tap_listeners();
2562 tap_flags = union_of_tap_listener_flags();
2564 /* If any tap listeners have filters, or require the protocol tree,
2565 construct the protocol tree. */
2566 callback_args.construct_protocol_tree = filtering_tap_listeners ||
2567 (tap_flags & TL_REQUIRES_PROTO_TREE);
2569 /* If any tap listeners require the columns, construct them. */
2570 callback_args.cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
2572 /* Reset the tap listeners. */
2573 reset_tap_listeners();
2575 /* Iterate through the list of packets, dissecting all packets and
2576 re-running the taps. */
2577 packet_range_init(&range);
2578 packet_range_process_init(&range);
2579 switch (process_specified_packets(cf, &range, "Recalculating statistics on",
2580 "all packets", TRUE, retap_packet,
2583 /* Completed successfully. */
2587 /* Well, the user decided to abort the refiltering.
2588 Return CF_READ_ABORTED so our caller knows they did that. */
2589 return CF_READ_ABORTED;
2592 /* Error while retapping. */
2593 return CF_READ_ERROR;
2596 g_assert_not_reached();
2601 print_args_t *print_args;
2602 gboolean print_header_line;
2603 char *header_line_buf;
2604 int header_line_buf_len;
2605 gboolean print_formfeed;
2606 gboolean print_separator;
2610 } print_callback_args_t;
2613 print_packet(capture_file *cf, frame_data *fdata,
2614 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2617 print_callback_args_t *args = argsp;
2624 gboolean proto_tree_needed;
2625 char bookmark_name[9+10+1]; /* "__frameNNNNNNNNNN__\0" */
2626 char bookmark_title[6+10+1]; /* "Frame NNNNNNNNNN__\0" */
2628 /* Create the protocol tree, and make it visible, if we're printing
2629 the dissection or the hex data.
2630 XXX - do we need it if we're just printing the hex data? */
2632 args->print_args->print_dissections != print_dissections_none || args->print_args->print_hex || have_custom_cols(&cf->cinfo);
2633 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2635 /* Fill in the column information if we're printing the summary
2637 if (args->print_args->print_summary) {
2638 col_custom_prime_edt(&edt, &cf->cinfo);
2639 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2640 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2642 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2644 if (args->print_formfeed) {
2645 if (!new_page(args->print_args->stream))
2648 if (args->print_separator) {
2649 if (!print_line(args->print_args->stream, 0, ""))
2655 * We generate bookmarks, if the output format supports them.
2656 * The name is "__frameN__".
2658 g_snprintf(bookmark_name, sizeof bookmark_name, "__frame%u__", fdata->num);
2660 if (args->print_args->print_summary) {
2661 if (args->print_header_line) {
2662 if (!print_line(args->print_args->stream, 0, args->header_line_buf))
2664 args->print_header_line = FALSE; /* we might not need to print any more */
2666 cp = &args->line_buf[0];
2668 for (i = 0; i < cf->cinfo.num_cols; i++) {
2669 /* Find the length of the string for this column. */
2670 column_len = (int) strlen(cf->cinfo.col_data[i]);
2671 if (args->col_widths[i] > column_len)
2672 column_len = args->col_widths[i];
2674 /* Make sure there's room in the line buffer for the column; if not,
2675 double its length. */
2676 line_len += column_len + 1; /* "+1" for space */
2677 if (line_len > args->line_buf_len) {
2678 cp_off = (int) (cp - args->line_buf);
2679 args->line_buf_len = 2 * line_len;
2680 args->line_buf = g_realloc(args->line_buf, args->line_buf_len + 1);
2681 cp = args->line_buf + cp_off;
2684 /* Right-justify the packet number column. */
2685 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2686 g_snprintf(cp, column_len+1, "%*s", args->col_widths[i], cf->cinfo.col_data[i]);
2688 g_snprintf(cp, column_len+1, "%-*s", args->col_widths[i], cf->cinfo.col_data[i]);
2690 if (i != cf->cinfo.num_cols - 1)
2696 * Generate a bookmark, using the summary line as the title.
2698 if (!print_bookmark(args->print_args->stream, bookmark_name,
2702 if (!print_line(args->print_args->stream, 0, args->line_buf))
2706 * Generate a bookmark, using "Frame N" as the title, as we're not
2707 * printing the summary line.
2709 g_snprintf(bookmark_title, sizeof bookmark_title, "Frame %u", fdata->num);
2710 if (!print_bookmark(args->print_args->stream, bookmark_name,
2713 } /* if (print_summary) */
2715 if (args->print_args->print_dissections != print_dissections_none) {
2716 if (args->print_args->print_summary) {
2717 /* Separate the summary line from the tree with a blank line. */
2718 if (!print_line(args->print_args->stream, 0, ""))
2722 /* Print the information in that tree. */
2723 if (!proto_tree_print(args->print_args, &edt, args->print_args->stream))
2726 /* Print a blank line if we print anything after this (aka more than one packet). */
2727 args->print_separator = TRUE;
2729 /* Print a header line if we print any more packet summaries */
2730 args->print_header_line = TRUE;
2733 if (args->print_args->print_hex) {
2734 /* Print the full packet data as hex. */
2735 if (!print_hex_data(args->print_args->stream, &edt))
2738 /* Print a blank line if we print anything after this (aka more than one packet). */
2739 args->print_separator = TRUE;
2741 /* Print a header line if we print any more packet summaries */
2742 args->print_header_line = TRUE;
2743 } /* if (args->print_args->print_dissections != print_dissections_none) */
2745 epan_dissect_cleanup(&edt);
2747 /* do we want to have a formfeed between each packet from now on? */
2748 if(args->print_args->print_formfeed) {
2749 args->print_formfeed = TRUE;
2755 epan_dissect_cleanup(&edt);
2760 cf_print_packets(capture_file *cf, print_args_t *print_args)
2763 print_callback_args_t callback_args;
2771 callback_args.print_args = print_args;
2772 callback_args.print_header_line = TRUE;
2773 callback_args.header_line_buf = NULL;
2774 callback_args.header_line_buf_len = 256;
2775 callback_args.print_formfeed = FALSE;
2776 callback_args.print_separator = FALSE;
2777 callback_args.line_buf = NULL;
2778 callback_args.line_buf_len = 256;
2779 callback_args.col_widths = NULL;
2781 if (!print_preamble(print_args->stream, cf->filename)) {
2782 destroy_print_stream(print_args->stream);
2783 return CF_PRINT_WRITE_ERROR;
2786 if (print_args->print_summary) {
2787 /* We're printing packet summaries. Allocate the header line buffer
2788 and get the column widths. */
2789 callback_args.header_line_buf = g_malloc(callback_args.header_line_buf_len + 1);
2791 /* Find the widths for each of the columns - maximum of the
2792 width of the title and the width of the data - and construct
2793 a buffer with a line containing the column titles. */
2794 callback_args.col_widths = (gint *) g_malloc(sizeof(gint) * cf->cinfo.num_cols);
2795 cp = &callback_args.header_line_buf[0];
2797 for (i = 0; i < cf->cinfo.num_cols; i++) {
2798 /* Don't pad the last column. */
2799 if (i == cf->cinfo.num_cols - 1)
2800 callback_args.col_widths[i] = 0;
2802 callback_args.col_widths[i] = (gint) strlen(cf->cinfo.col_title[i]);
2803 data_width = get_column_char_width(get_column_format(i));
2804 if (data_width > callback_args.col_widths[i])
2805 callback_args.col_widths[i] = data_width;
2808 /* Find the length of the string for this column. */
2809 column_len = (int) strlen(cf->cinfo.col_title[i]);
2810 if (callback_args.col_widths[i] > column_len)
2811 column_len = callback_args.col_widths[i];
2813 /* Make sure there's room in the line buffer for the column; if not,
2814 double its length. */
2815 line_len += column_len + 1; /* "+1" for space */
2816 if (line_len > callback_args.header_line_buf_len) {
2817 cp_off = (int) (cp - callback_args.header_line_buf);
2818 callback_args.header_line_buf_len = 2 * line_len;
2819 callback_args.header_line_buf = g_realloc(callback_args.header_line_buf,
2820 callback_args.header_line_buf_len + 1);
2821 cp = callback_args.header_line_buf + cp_off;
2824 /* Right-justify the packet number column. */
2825 /* if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2826 g_snprintf(cp, column_len+1, "%*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2828 g_snprintf(cp, column_len+1, "%-*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2830 if (i != cf->cinfo.num_cols - 1)
2835 /* Now start out the main line buffer with the same length as the
2836 header line buffer. */
2837 callback_args.line_buf_len = callback_args.header_line_buf_len;
2838 callback_args.line_buf = g_malloc(callback_args.line_buf_len + 1);
2839 } /* if (print_summary) */
2841 /* Iterate through the list of packets, printing the packets we were
2843 ret = process_specified_packets(cf, &print_args->range, "Printing",
2844 "selected packets", TRUE, print_packet,
2847 g_free(callback_args.header_line_buf);
2848 g_free(callback_args.line_buf);
2849 g_free(callback_args.col_widths);
2854 /* Completed successfully. */
2858 /* Well, the user decided to abort the printing.
2860 XXX - note that what got generated before they did that
2861 will get printed if we're piping to a print program; we'd
2862 have to write to a file and then hand that to the print
2863 program to make it actually not print anything. */
2867 /* Error while printing.
2869 XXX - note that what got generated before they did that
2870 will get printed if we're piping to a print program; we'd
2871 have to write to a file and then hand that to the print
2872 program to make it actually not print anything. */
2873 destroy_print_stream(print_args->stream);
2874 return CF_PRINT_WRITE_ERROR;
2877 if (!print_finale(print_args->stream)) {
2878 destroy_print_stream(print_args->stream);
2879 return CF_PRINT_WRITE_ERROR;
2882 if (!destroy_print_stream(print_args->stream))
2883 return CF_PRINT_WRITE_ERROR;
2889 write_pdml_packet(capture_file *cf _U_, frame_data *fdata,
2890 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2896 /* Create the protocol tree, but don't fill in the column information. */
2897 epan_dissect_init(&edt, TRUE, TRUE);
2898 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2900 /* Write out the information in that tree. */
2901 proto_tree_write_pdml(&edt, fh);
2903 epan_dissect_cleanup(&edt);
2909 cf_write_pdml_packets(capture_file *cf, print_args_t *print_args)
2914 fh = ws_fopen(print_args->file, "w");
2916 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2918 write_pdml_preamble(fh);
2921 return CF_PRINT_WRITE_ERROR;
2924 /* Iterate through the list of packets, printing the packets we were
2926 ret = process_specified_packets(cf, &print_args->range, "Writing PDML",
2927 "selected packets", TRUE,
2928 write_pdml_packet, fh);
2933 /* Completed successfully. */
2937 /* Well, the user decided to abort the printing. */
2941 /* Error while printing. */
2943 return CF_PRINT_WRITE_ERROR;
2946 write_pdml_finale(fh);
2949 return CF_PRINT_WRITE_ERROR;
2952 /* XXX - check for an error */
2959 write_psml_packet(capture_file *cf, frame_data *fdata,
2960 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2965 gboolean proto_tree_needed;
2967 /* Fill in the column information, only create the protocol tree
2968 if having custom columns. */
2969 proto_tree_needed = have_custom_cols(&cf->cinfo);
2970 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2971 col_custom_prime_edt(&edt, &cf->cinfo);
2972 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2973 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2975 /* Write out the information in that tree. */
2976 proto_tree_write_psml(&edt, fh);
2978 epan_dissect_cleanup(&edt);
2984 cf_write_psml_packets(capture_file *cf, print_args_t *print_args)
2989 fh = ws_fopen(print_args->file, "w");
2991 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2993 write_psml_preamble(fh);
2996 return CF_PRINT_WRITE_ERROR;
2999 /* Iterate through the list of packets, printing the packets we were
3001 ret = process_specified_packets(cf, &print_args->range, "Writing PSML",
3002 "selected packets", TRUE,
3003 write_psml_packet, fh);
3008 /* Completed successfully. */
3012 /* Well, the user decided to abort the printing. */
3016 /* Error while printing. */
3018 return CF_PRINT_WRITE_ERROR;
3021 write_psml_finale(fh);
3024 return CF_PRINT_WRITE_ERROR;
3027 /* XXX - check for an error */
3034 write_csv_packet(capture_file *cf, frame_data *fdata,
3035 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
3040 gboolean proto_tree_needed;
3042 /* Fill in the column information, only create the protocol tree
3043 if having custom columns. */
3044 proto_tree_needed = have_custom_cols(&cf->cinfo);
3045 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
3046 col_custom_prime_edt(&edt, &cf->cinfo);
3047 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
3048 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
3050 /* Write out the information in that tree. */
3051 proto_tree_write_csv(&edt, fh);
3053 epan_dissect_cleanup(&edt);
3059 cf_write_csv_packets(capture_file *cf, print_args_t *print_args)
3064 fh = ws_fopen(print_args->file, "w");
3066 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3068 write_csv_preamble(fh);
3071 return CF_PRINT_WRITE_ERROR;
3074 /* Iterate through the list of packets, printing the packets we were
3076 ret = process_specified_packets(cf, &print_args->range, "Writing CSV",
3077 "selected packets", TRUE,
3078 write_csv_packet, fh);
3083 /* Completed successfully. */
3087 /* Well, the user decided to abort the printing. */
3091 /* Error while printing. */
3093 return CF_PRINT_WRITE_ERROR;
3096 write_csv_finale(fh);
3099 return CF_PRINT_WRITE_ERROR;
3102 /* XXX - check for an error */
3109 write_carrays_packet(capture_file *cf _U_, frame_data *fdata,
3110 union wtap_pseudo_header *pseudo_header _U_,
3111 const guint8 *pd, void *argsp)
3115 proto_tree_write_carrays(pd, fdata->cap_len, fdata->num, fh);
3120 cf_write_carrays_packets(capture_file *cf, print_args_t *print_args)
3125 fh = ws_fopen(print_args->file, "w");
3128 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3130 write_carrays_preamble(fh);
3134 return CF_PRINT_WRITE_ERROR;
3137 /* Iterate through the list of packets, printing the packets we were
3139 ret = process_specified_packets(cf, &print_args->range,
3141 "selected packets", TRUE,
3142 write_carrays_packet, fh);
3145 /* Completed successfully. */
3148 /* Well, the user decided to abort the printing. */
3151 /* Error while printing. */
3153 return CF_PRINT_WRITE_ERROR;
3156 write_carrays_finale(fh);
3160 return CF_PRINT_WRITE_ERROR;
3167 #ifndef NEW_PACKET_LIST /* This function is not needed with the new packet list */
3169 /* Scan through the packet list and change all columns that use the
3170 "command-line-specified" time stamp format to use the current
3171 value of that format. */
3173 cf_change_time_formats(capture_file *cf)
3177 progdlg_t *progbar = NULL;
3182 GTimeVal start_time;
3183 gchar status_str[100];
3184 int progbar_nextstep;
3185 int progbar_quantum;
3186 gboolean sorted_by_frame_column;
3188 /* Adjust timestamp precision if auto is selected */
3189 cf_timestamp_auto_precision(cf);
3191 /* Are there any columns with time stamps in the "command-line-specified"
3194 XXX - we have to force the "column is writable" flag on, as it
3195 might be off from the last frame that was dissected. */
3196 col_set_writable(&cf->cinfo, TRUE);
3197 if (!check_col(&cf->cinfo, COL_CLS_TIME) &&
3198 !check_col(&cf->cinfo, COL_ABS_TIME) &&
3199 !check_col(&cf->cinfo, COL_ABS_DATE_TIME) &&
3200 !check_col(&cf->cinfo, COL_REL_TIME) &&
3201 !check_col(&cf->cinfo, COL_DELTA_TIME) &&
3202 !check_col(&cf->cinfo, COL_DELTA_TIME_DIS)) {
3203 /* No, there aren't any columns in that format, so we have no work
3208 /* Freeze the packet list while we redo it, so we don't get any
3209 screen updates while it happens. */
3210 packet_list_freeze();
3212 /* Update the progress bar when it gets to this value. */
3213 progbar_nextstep = 0;
3214 /* When we reach the value that triggers a progress bar update,
3215 bump that value by this amount. */
3216 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3217 /* Count of packets at which we've looked. */
3219 /* Progress so far. */
3222 /* If the rows are currently sorted by the frame column then we know
3223 * the row number of each packet: it's the row number of the previously
3224 * displayed packet + 1.
3226 * Otherwise, if the display is sorted by a different column then we have
3227 * to use the O(N) packet_list_find_row_from_data() (thus making the job
3228 * of changing the time display format O(N**2)).
3230 * (XXX - In fact it's still O(N**2) because gtk_clist_set_text() takes
3231 * the row number and walks that many elements down the clist to find
3232 * the appropriate element.)
3234 sorted_by_frame_column = FALSE;
3235 for (i = 0; i < cf->cinfo.num_cols; i++) {
3236 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
3238 sorted_by_frame_column = (i == packet_list_get_sort_column());
3244 g_get_current_time(&start_time);
3246 /* Iterate through the list of packets, checking whether the packet
3247 is in a row of the summary list and, if so, whether there are
3248 any columns that show the time in the "command-line-specified"
3249 format and, if so, update that row. */
3250 for (fdata = cf->plist_start, row = -1; fdata != NULL; fdata = fdata->next) {
3251 /* Create the progress bar if necessary.
3252 We check on every iteration of the loop, so that it takes no
3253 longer than the standard time to create it (otherwise, for a
3254 large file, we might take considerably longer than that standard
3255 time in order to get to the next progress bar step). */
3256 if (progbar == NULL)
3257 progbar = delayed_create_progress_dlg("Changing", "time display",
3258 TRUE, &stop_flag, &start_time, progbar_val);
3260 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3261 when we update it, we have to run the GTK+ main loop to get it
3262 to repaint what's pending, and doing so may involve an "ioctl()"
3263 to see if there's any pending input from an X server, and doing
3264 that for every packet can be costly, especially on a big file. */
3265 if (count >= progbar_nextstep) {
3266 /* let's not divide by zero. I should never be started
3267 * with count == 0, so let's assert that
3269 g_assert(cf->count > 0);
3271 progbar_val = (gfloat) count / cf->count;
3273 if (progbar != NULL) {
3274 g_snprintf(status_str, sizeof(status_str),
3275 "%4u of %u packets", count, cf->count);
3276 update_progress_dlg(progbar, progbar_val, status_str);
3279 progbar_nextstep += progbar_quantum;
3283 /* Well, the user decided to abort the redisplay. Just stop.
3285 XXX - this leaves the time field in the old format in
3286 frames we haven't yet processed. So it goes; should we
3287 simply not offer them the option of stopping? */
3293 /* Find what row this packet is in. */
3294 if (!sorted_by_frame_column) {
3295 /* This function is O(N), so we try to avoid using it... */
3296 row = packet_list_find_row_from_data(fdata);
3298 /* ...which we do by maintaining a count of packets that are
3299 being displayed (i.e., that have passed the display filter),
3300 and using the current value of that count as the row number
3301 (which is why we can only do it when the display is sorted
3302 by the frame number). */
3303 if (fdata->flags.passed_dfilter)
3310 /* This packet is in the summary list, on row "row". */
3312 for (i = 0; i < cf->cinfo.num_cols; i++) {
3313 if (col_has_time_fmt(&cf->cinfo, i)) {
3314 /* This is one of the columns that shows the time in
3315 "command-line-specified" format; update it. */
3316 cf->cinfo.col_buf[i][0] = '\0';
3317 col_set_fmt_time(fdata, &cf->cinfo, cf->cinfo.col_fmt[i], i);
3318 packet_list_set_text(row, i, cf->cinfo.col_data[i]);
3324 /* We're done redisplaying the packets; destroy the progress bar if it
3326 if (progbar != NULL)
3327 destroy_progress_dlg(progbar);
3329 /* Set the column widths of those columns that show the time in
3330 "command-line-specified" format. */
3331 for (i = 0; i < cf->cinfo.num_cols; i++) {
3332 if (col_has_time_fmt(&cf->cinfo, i)) {
3333 packet_list_set_time_width(cf->cinfo.col_fmt[i], i);
3337 /* Unfreeze the packet list. */
3340 #endif /* NEW_PACKET_LIST */
3347 gboolean frame_matched;
3351 cf_find_packet_protocol_tree(capture_file *cf, const char *string)
3355 mdata.string = string;
3356 mdata.string_len = strlen(string);
3357 return find_packet(cf, match_protocol_tree, &mdata);
3361 match_protocol_tree(capture_file *cf, frame_data *fdata, void *criterion)
3363 match_data *mdata = criterion;
3366 /* Construct the protocol tree, including the displayed text */
3367 epan_dissect_init(&edt, TRUE, TRUE);
3368 /* We don't need the column information */
3369 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3371 /* Iterate through all the nodes, seeing if they have text that matches. */
3373 mdata->frame_matched = FALSE;
3374 proto_tree_children_foreach(edt.tree, match_subtree_text, mdata);
3375 epan_dissect_cleanup(&edt);
3376 return mdata->frame_matched;
3380 match_subtree_text(proto_node *node, gpointer data)
3382 match_data *mdata = (match_data*) data;
3383 const gchar *string = mdata->string;
3384 size_t string_len = mdata->string_len;
3385 capture_file *cf = mdata->cf;
3386 field_info *fi = PNODE_FINFO(node);
3387 gchar label_str[ITEM_LABEL_LENGTH];
3394 g_assert(fi && "dissection with an invisible proto tree?");
3396 if (mdata->frame_matched) {
3397 /* We already had a match; don't bother doing any more work. */
3401 /* Don't match invisible entries. */
3402 if (PROTO_ITEM_IS_HIDDEN(node))
3405 /* was a free format label produced? */
3407 label_ptr = fi->rep->representation;
3409 /* no, make a generic label */
3410 label_ptr = label_str;
3411 proto_item_fill_label(fi, label_str);
3414 /* Does that label match? */
3415 label_len = strlen(label_ptr);
3416 for (i = 0; i < label_len; i++) {
3417 c_char = label_ptr[i];
3419 c_char = toupper(c_char);
3420 if (c_char == string[c_match]) {
3422 if (c_match == string_len) {
3423 /* No need to look further; we have a match */
3424 mdata->frame_matched = TRUE;
3431 /* Recurse into the subtree, if it exists */
3432 if (node->first_child != NULL)
3433 proto_tree_children_foreach(node, match_subtree_text, mdata);
3437 cf_find_packet_summary_line(capture_file *cf, const char *string)
3441 mdata.string = string;
3442 mdata.string_len = strlen(string);
3443 return find_packet(cf, match_summary_line, &mdata);
3447 match_summary_line(capture_file *cf, frame_data *fdata, void *criterion)
3449 match_data *mdata = criterion;
3450 const gchar *string = mdata->string;
3451 size_t string_len = mdata->string_len;
3453 const char *info_column;
3454 size_t info_column_len;
3455 gboolean frame_matched = FALSE;
3461 /* Don't bother constructing the protocol tree */
3462 epan_dissect_init(&edt, FALSE, FALSE);
3463 /* Get the column information */
3464 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, &cf->cinfo);
3466 /* Find the Info column */
3467 for (colx = 0; colx < cf->cinfo.num_cols; colx++) {
3468 if (cf->cinfo.fmt_matx[colx][COL_INFO]) {
3469 /* Found it. See if we match. */
3470 info_column = edt.pi.cinfo->col_data[colx];
3471 info_column_len = strlen(info_column);
3472 for (i = 0; i < info_column_len; i++) {
3473 c_char = info_column[i];
3475 c_char = toupper(c_char);
3476 if (c_char == string[c_match]) {
3478 if (c_match == string_len) {
3479 frame_matched = TRUE;
3488 epan_dissect_cleanup(&edt);
3489 return frame_matched;
3495 } cbs_t; /* "Counted byte string" */
3498 cf_find_packet_data(capture_file *cf, const guint8 *string, size_t string_size)
3503 info.data_len = string_size;
3505 /* String or hex search? */
3507 /* String search - what type of string? */
3508 switch (cf->scs_type) {
3510 case SCS_ASCII_AND_UNICODE:
3511 return find_packet(cf, match_ascii_and_unicode, &info);
3514 return find_packet(cf, match_ascii, &info);
3517 return find_packet(cf, match_unicode, &info);
3520 g_assert_not_reached();
3524 return find_packet(cf, match_binary, &info);
3528 match_ascii_and_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3530 cbs_t *info = criterion;
3531 const guint8 *ascii_text = info->data;
3532 size_t textlen = info->data_len;
3533 gboolean frame_matched;
3539 frame_matched = FALSE;
3540 buf_len = fdata->pkt_len;
3541 for (i = 0; i < buf_len; i++) {
3544 c_char = toupper(c_char);
3546 if (c_char == ascii_text[c_match]) {
3548 if (c_match == textlen) {
3549 frame_matched = TRUE;
3550 cf->search_pos = i; /* Save the position of the last character
3551 for highlighting the field. */
3558 return frame_matched;
3562 match_ascii(capture_file *cf, frame_data *fdata, void *criterion)
3564 cbs_t *info = criterion;
3565 const guint8 *ascii_text = info->data;
3566 size_t textlen = info->data_len;
3567 gboolean frame_matched;
3573 frame_matched = FALSE;
3574 buf_len = fdata->pkt_len;
3575 for (i = 0; i < buf_len; i++) {
3578 c_char = toupper(c_char);
3579 if (c_char == ascii_text[c_match]) {
3581 if (c_match == textlen) {
3582 frame_matched = TRUE;
3583 cf->search_pos = i; /* Save the position of the last character
3584 for highlighting the field. */
3590 return frame_matched;
3594 match_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3596 cbs_t *info = criterion;
3597 const guint8 *ascii_text = info->data;
3598 size_t textlen = info->data_len;
3599 gboolean frame_matched;
3605 frame_matched = FALSE;
3606 buf_len = fdata->pkt_len;
3607 for (i = 0; i < buf_len; i++) {
3610 c_char = toupper(c_char);
3611 if (c_char == ascii_text[c_match]) {
3614 if (c_match == textlen) {
3615 frame_matched = TRUE;
3616 cf->search_pos = i; /* Save the position of the last character
3617 for highlighting the field. */
3623 return frame_matched;
3627 match_binary(capture_file *cf, frame_data *fdata, void *criterion)
3629 cbs_t *info = criterion;
3630 const guint8 *binary_data = info->data;
3631 size_t datalen = info->data_len;
3632 gboolean frame_matched;
3637 frame_matched = FALSE;
3638 buf_len = fdata->pkt_len;
3639 for (i = 0; i < buf_len; i++) {
3640 if (cf->pd[i] == binary_data[c_match]) {
3642 if (c_match == datalen) {
3643 frame_matched = TRUE;
3644 cf->search_pos = i; /* Save the position of the last character
3645 for highlighting the field. */
3651 return frame_matched;
3655 cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode)
3657 return find_packet(cf, match_dfilter, sfcode);
3661 match_dfilter(capture_file *cf, frame_data *fdata, void *criterion)
3663 dfilter_t *sfcode = criterion;
3665 gboolean frame_matched;
3667 epan_dissect_init(&edt, TRUE, FALSE);
3668 epan_dissect_prime_dfilter(&edt, sfcode);
3669 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3670 frame_matched = dfilter_apply_edt(sfcode, &edt);
3671 epan_dissect_cleanup(&edt);
3672 return frame_matched;
3676 find_packet(capture_file *cf,
3677 gboolean (*match_function)(capture_file *, frame_data *, void *),
3680 frame_data *start_fd;
3682 frame_data *new_fd = NULL;
3683 progdlg_t *progbar = NULL;
3690 GTimeVal start_time;
3691 gchar status_str[100];
3692 int progbar_nextstep;
3693 int progbar_quantum;
3696 start_fd = cf->current_frame;
3697 if (start_fd != NULL) {
3698 /* Iterate through the list of packets, starting at the packet we've
3699 picked, calling a routine to run the filter on the packet, see if
3700 it matches, and stop if so. */
3704 /* Update the progress bar when it gets to this value. */
3705 progbar_nextstep = 0;
3706 /* When we reach the value that triggers a progress bar update,
3707 bump that value by this amount. */
3708 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3709 /* Progress so far. */
3713 g_get_current_time(&start_time);
3716 title = cf->sfilter?cf->sfilter:"";
3718 /* Create the progress bar if necessary.
3719 We check on every iteration of the loop, so that it takes no
3720 longer than the standard time to create it (otherwise, for a
3721 large file, we might take considerably longer than that standard
3722 time in order to get to the next progress bar step). */
3723 if (progbar == NULL)
3724 progbar = delayed_create_progress_dlg("Searching", title,
3725 FALSE, &stop_flag, &start_time, progbar_val);
3727 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3728 when we update it, we have to run the GTK+ main loop to get it
3729 to repaint what's pending, and doing so may involve an "ioctl()"
3730 to see if there's any pending input from an X server, and doing
3731 that for every packet can be costly, especially on a big file. */
3732 if (count >= progbar_nextstep) {
3733 /* let's not divide by zero. I should never be started
3734 * with count == 0, so let's assert that
3736 g_assert(cf->count > 0);
3738 progbar_val = (gfloat) count / cf->count;
3740 if (progbar != NULL) {
3741 g_snprintf(status_str, sizeof(status_str),
3742 "%4u of %u packets", count, cf->count);
3743 update_progress_dlg(progbar, progbar_val, status_str);
3746 progbar_nextstep += progbar_quantum;
3750 /* Well, the user decided to abort the search. Go back to the
3751 frame where we started. */
3756 /* Go past the current frame. */
3757 if (cf->sbackward) {
3758 /* Go on to the previous frame. */
3759 fdata = fdata->prev;
3760 if (fdata == NULL) {
3762 * XXX - other apps have a bit more of a detailed message
3763 * for this, and instead of offering "OK" and "Cancel",
3764 * they offer things such as "Continue" and "Cancel";
3765 * we need an API for popping up alert boxes with
3766 * {Verb} and "Cancel".
3769 if (prefs.gui_find_wrap)
3771 simple_status("Search reached the beginning. Continuing at end.");
3772 fdata = cf->plist_end; /* wrap around */
3776 simple_status("Search reached the beginning.");
3777 fdata = start_fd; /* stay on previous packet */
3781 /* Go on to the next frame. */
3782 fdata = fdata->next;
3783 if (fdata == NULL) {
3784 if (prefs.gui_find_wrap)
3786 simple_status("Search reached the end. Continuing at beginning.");
3787 fdata = cf->plist_start; /* wrap around */
3791 simple_status("Search reached the end.");
3792 fdata = start_fd; /* stay on previous packet */
3799 /* Is this packet in the display? */
3800 if (fdata->flags.passed_dfilter) {
3801 /* Yes. Load its data. */
3802 if (!wtap_seek_read(cf->wth, fdata->file_off, &cf->pseudo_header,
3803 cf->pd, fdata->cap_len, &err, &err_info)) {
3804 /* Read error. Report the error, and go back to the frame
3805 where we started. */
3806 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
3807 cf_read_error_message(err, err_info), cf->filename);
3812 /* Does it match the search criterion? */
3813 if ((*match_function)(cf, fdata, criterion)) {
3815 break; /* found it! */
3819 if (fdata == start_fd) {
3820 /* We're back to the frame we were on originally, and that frame
3821 doesn't match the search filter. The search failed. */
3826 /* We're done scanning the packets; destroy the progress bar if it
3828 if (progbar != NULL)
3829 destroy_progress_dlg(progbar);
3832 if (new_fd != NULL) {
3833 #ifdef NEW_PACKET_LIST
3834 /* Find and select */
3835 row = new_packet_list_find_row_from_data(fdata, TRUE);
3837 /* We found a frame. Find what row it's in. */
3838 row = packet_list_find_row_from_data(new_fd);
3839 #endif /* NEW_PACKET_LIST */
3841 /* We didn't find a row even though we know that a frame
3842 * exists that satifies the search criteria. This means that the
3843 * frame isn't being displayed currently so we can't select it. */
3844 simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
3845 "%sEnd of capture exceeded!%s\n\n"
3846 "The capture file is probably not fully loaded.",
3847 simple_dialog_primary_start(), simple_dialog_primary_end());
3851 #ifndef NEW_PACKET_LIST
3852 /* Select that row, make it the focus row, and make it visible. */
3853 packet_list_set_selected_row(row);
3854 #endif /* NEW_PACKET_LIST */
3855 return TRUE; /* success */
3857 return FALSE; /* failure */
3861 cf_goto_frame(capture_file *cf, guint fnumber)
3866 for (fdata = cf->plist_start; fdata != NULL && fdata->num < fnumber; fdata = fdata->next)
3869 if (fdata == NULL) {
3870 /* we didn't find a packet with that packet number */
3871 simple_status("There is no packet number %u.", fnumber);
3872 return FALSE; /* we failed to go to that packet */
3874 if (!fdata->flags.passed_dfilter) {
3875 /* that packet currently isn't displayed */
3876 /* XXX - add it to the set of displayed packets? */
3877 simple_status("Packet number %u isn't displayed.", fnumber);
3878 return FALSE; /* we failed to go to that packet */
3881 #ifdef NEW_PACKET_LIST
3882 row = new_packet_list_find_row_from_data(fdata, TRUE);
3884 /* We found that packet, and it's currently being displayed.
3885 Find what row it's in. */
3886 row = packet_list_find_row_from_data(fdata);
3887 g_assert(row != -1);
3889 /* Select that row, make it the focus row, and make it visible. */
3890 packet_list_set_selected_row(row);
3891 #endif /* NEW_PACKET_LIST */
3892 return TRUE; /* we got to that packet */
3896 cf_goto_top_frame(capture_file *cf _U_)
3898 #ifdef NEW_PACKET_LIST
3899 /* Find and select */
3900 new_packet_list_select_first_row();
3904 frame_data *lowest_fdata = NULL;
3906 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3907 if (fdata->flags.passed_dfilter) {
3908 lowest_fdata = fdata;
3913 if (lowest_fdata == NULL) {
3917 /* We found that packet, and it's currently being displayed.
3918 Find what row it's in. */
3919 row = packet_list_find_row_from_data(lowest_fdata);
3920 g_assert(row != -1);
3922 /* Select that row, make it the focus row, and make it visible. */
3923 packet_list_set_selected_row(row);
3924 #endif /* NEW_PACKET_LIST */
3925 return TRUE; /* we got to that packet */
3929 cf_goto_bottom_frame(capture_file *cf _U_) /* cf is unused w/ NEW_PACKET_LIST */
3931 #ifdef NEW_PACKET_LIST
3932 /* Find and select */
3933 new_packet_list_select_last_row();
3937 frame_data *highest_fdata = NULL;
3939 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3940 if (fdata->flags.passed_dfilter) {
3941 highest_fdata = fdata;
3945 if (highest_fdata == NULL) {
3949 /* We found that packet, and it's currently being displayed.
3950 Find what row it's in. */
3951 row = packet_list_find_row_from_data(highest_fdata);
3952 g_assert(row != -1);
3954 /* Select that row, make it the focus row, and make it visible. */
3955 packet_list_set_selected_row(row);
3956 #endif /* NEW_PACKET_LIST */
3957 return TRUE; /* we got to that packet */
3961 * Go to frame specified by currently selected protocol tree item.
3964 cf_goto_framenum(capture_file *cf)
3966 header_field_info *hfinfo;
3969 if (cf->finfo_selected) {
3970 hfinfo = cf->finfo_selected->hfinfo;
3972 if (hfinfo->type == FT_FRAMENUM) {
3973 framenum = fvalue_get_uinteger(&cf->finfo_selected->value);
3975 return cf_goto_frame(cf, framenum);
3982 /* Select the packet on a given row. */
3984 cf_select_packet(capture_file *cf, int row)
3990 /* Get the frame data struct pointer for this frame */
3991 #ifdef NEW_PACKET_LIST
3992 fdata = new_packet_list_get_row_data(row);
3994 fdata = (frame_data *)packet_list_get_row_data(row);
3997 if (fdata == NULL) {
3998 /* XXX - if a GtkCList's selection mode is GTK_SELECTION_BROWSE, when
3999 the first entry is added to it by "real_insert_row()", that row
4000 is selected (see "real_insert_row()", in "gtk/gtkclist.c", in both
4001 our version and the vanilla GTK+ version).
4003 This means that a "select-row" signal is emitted; this causes
4004 "packet_list_select_cb()" to be called, which causes "cf_select_packet()"
4007 "cf_select_packet()" fetches, above, the data associated with the
4008 row that was selected; however, as "gtk_clist_append()", which
4009 called "real_insert_row()", hasn't yet returned, we haven't yet
4010 associated any data with that row, so we get back a null pointer.
4012 We can't assume that there's only one frame in the frame list,
4013 either, as we may be filtering the display.
4015 We therefore assume that, if "row" is 0, i.e. the first row
4016 is being selected, and "cf->first_displayed" equals
4017 "cf->last_displayed", i.e. there's only one frame being
4018 displayed, that frame is the frame we want.
4020 This means we have to set "cf->first_displayed" and
4021 "cf->last_displayed" before adding the row to the
4022 GtkCList; see the comment in "add_packet_to_packet_list()". */
4024 if (row == 0 && cf->first_displayed == cf->last_displayed)
4025 fdata = cf->first_displayed;
4028 /* If fdata _still_ isn't set simply give up. */
4029 if (fdata == NULL) {
4033 /* Get the data in that frame. */
4034 if (!wtap_seek_read (cf->wth, fdata->file_off, &cf->pseudo_header,
4035 cf->pd, fdata->cap_len, &err, &err_info)) {
4036 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4037 cf_read_error_message(err, err_info), cf->filename);
4041 /* Record that this frame is the current frame. */
4042 cf->current_frame = fdata;
4043 cf->current_row = row;
4045 /* Create the logical protocol tree. */
4046 if (cf->edt != NULL)
4047 epan_dissect_free(cf->edt);
4049 /* We don't need the columns here. */
4050 cf->edt = epan_dissect_new(TRUE, TRUE);
4052 tap_build_interesting(cf->edt);
4053 epan_dissect_run(cf->edt, &cf->pseudo_header, cf->pd, cf->current_frame,
4056 dfilter_macro_build_ftv_cache(cf->edt->tree);
4058 cf_callback_invoke(cf_cb_packet_selected, cf);
4061 /* Unselect the selected packet, if any. */
4063 cf_unselect_packet(capture_file *cf)
4065 /* Destroy the epan_dissect_t for the unselected packet. */
4066 if (cf->edt != NULL) {
4067 epan_dissect_free(cf->edt);
4071 /* No packet is selected. */
4072 cf->current_frame = NULL;
4073 cf->current_row = 0;
4075 cf_callback_invoke(cf_cb_packet_unselected, cf);
4077 /* No protocol tree means no selected field. */
4078 cf_unselect_field(cf);
4081 /* Unset the selected protocol tree field, if any. */
4083 cf_unselect_field(capture_file *cf)
4085 cf->finfo_selected = NULL;
4087 cf_callback_invoke(cf_cb_field_unselected, cf);
4091 * Mark a particular frame.
4094 cf_mark_frame(capture_file *cf, frame_data *frame)
4096 if (! frame->flags.marked) {
4097 frame->flags.marked = TRUE;
4098 if (cf->count > cf->marked_count)
4104 * Unmark a particular frame.
4107 cf_unmark_frame(capture_file *cf, frame_data *frame)
4109 if (frame->flags.marked) {
4110 frame->flags.marked = FALSE;
4111 if (cf->marked_count > 0)
4117 * Ignore a particular frame.
4120 cf_ignore_frame(capture_file *cf, frame_data *frame)
4122 if (! frame->flags.ignored) {
4123 frame->flags.ignored = TRUE;
4124 if (cf->count > cf->ignored_count)
4125 cf->ignored_count++;
4130 * Un-ignore a particular frame.
4133 cf_unignore_frame(capture_file *cf, frame_data *frame)
4135 if (frame->flags.ignored) {
4136 frame->flags.ignored = FALSE;
4137 if (cf->ignored_count > 0)
4138 cf->ignored_count--;
4145 } save_callback_args_t;
4148 * Save a capture to a file, in a particular format, saving either
4149 * all packets, all currently-displayed packets, or all marked packets.
4151 * Returns TRUE if it succeeds, FALSE otherwise; if it fails, it pops
4152 * up a message box for the failure.
4155 save_packet(capture_file *cf _U_, frame_data *fdata,
4156 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
4159 save_callback_args_t *args = argsp;
4160 struct wtap_pkthdr hdr;
4163 /* init the wtap header for saving */
4164 hdr.ts.secs = fdata->abs_ts.secs;
4165 hdr.ts.nsecs = fdata->abs_ts.nsecs;
4166 hdr.caplen = fdata->cap_len;
4167 hdr.len = fdata->pkt_len;
4168 hdr.pkt_encap = fdata->lnk_t;
4170 /* and save the packet */
4171 if (!wtap_dump(args->pdh, &hdr, pseudo_header, pd, &err)) {
4172 cf_write_failure_alert_box(args->fname, err);
4179 * Can this capture file be saved in any format except by copying the raw data?
4182 cf_can_save_as(capture_file *cf)
4186 for (ft = 0; ft < WTAP_NUM_FILE_TYPES; ft++) {
4187 /* To save a file with Wiretap, Wiretap has to handle that format,
4188 and its code to handle that format must be able to write a file
4189 with this file's encapsulation type. */
4190 if (wtap_dump_can_open(ft) && wtap_dump_can_write_encap(ft, cf->lnk_t)) {
4191 /* OK, we can write it out in this type. */
4196 /* No, we couldn't save it in any format. */
4201 cf_save(capture_file *cf, const char *fname, packet_range_t *range, guint save_format, gboolean compressed)
4203 gchar *from_filename;
4207 save_callback_args_t callback_args;
4209 cf_callback_invoke(cf_cb_file_save_started, (gpointer)fname);
4211 /* don't write over an existing file. */
4212 /* this should've been already checked by our caller, just to be sure... */
4213 if (file_exists(fname)) {
4214 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4215 "%sCapture file: \"%s\" already exists!%s\n\n"
4216 "Please choose a different filename.",
4217 simple_dialog_primary_start(), fname, simple_dialog_primary_end());
4221 packet_range_process_init(range);
4223 if (packet_range_process_all(range) && save_format == cf->cd_t) {
4224 /* We're not filtering packets, and we're saving it in the format
4225 it's already in, so we can just move or copy the raw data. */
4227 if (cf->is_tempfile) {
4228 /* The file being saved is a temporary file from a live
4229 capture, so it doesn't need to stay around under that name;
4230 first, try renaming the capture buffer file to the new name. */
4232 if (ws_rename(cf->filename, fname) == 0) {
4233 /* That succeeded - there's no need to copy the source file. */
4234 from_filename = NULL;
4237 if (errno == EXDEV) {
4238 /* They're on different file systems, so we have to copy the
4241 from_filename = cf->filename;
4243 /* The rename failed, but not because they're on different
4244 file systems - put up an error message. (Or should we
4245 just punt and try to copy? The only reason why I'd
4246 expect the rename to fail and the copy to succeed would
4247 be if we didn't have permission to remove the file from
4248 the temporary directory, and that might be fixable - but
4249 is it worth requiring the user to go off and fix it?) */
4250 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4251 file_rename_error_message(errno), fname);
4257 from_filename = cf->filename;
4260 /* It's a permanent file, so we should copy it, and not remove the
4263 from_filename = cf->filename;
4267 /* Copy the file, if we haven't moved it. */
4268 if (!copy_file_binary_mode(from_filename, fname))
4272 /* Either we're filtering packets, or we're saving in a different
4273 format; we can't do that by copying or moving the capture file,
4274 we have to do it by writing the packets out in Wiretap. */
4275 pdh = wtap_dump_open(fname, save_format, cf->lnk_t, cf->snap,
4278 cf_open_failure_alert_box(fname, err, NULL, TRUE, save_format);
4282 /* XXX - we let the user save a subset of the packets.
4284 If we do that, should we make that file the current file? If so,
4285 it means we can no longer get at the other packets. What does
4288 /* Iterate through the list of packets, processing the packets we were
4291 XXX - we've already called "packet_range_process_init(range)", but
4292 "process_specified_packets()" will do it again. Fortunately,
4293 that's harmless in this case, as we haven't done anything to
4294 "range" since we initialized it. */
4295 callback_args.pdh = pdh;
4296 callback_args.fname = fname;
4297 switch (process_specified_packets(cf, range, "Saving", "selected packets",
4298 TRUE, save_packet, &callback_args)) {
4301 /* Completed successfully. */
4305 /* The user decided to abort the saving.
4306 XXX - remove the output file? */
4310 /* Error while saving. */
4311 wtap_dump_close(pdh, &err);
4315 if (!wtap_dump_close(pdh, &err)) {
4316 cf_close_failure_alert_box(fname, err);
4321 cf_callback_invoke(cf_cb_file_save_finished, NULL);
4323 if (packet_range_process_all(range)) {
4324 /* We saved the entire capture, not just some packets from it.
4325 Open and read the file we saved it to.
4327 XXX - this is somewhat of a waste; we already have the
4328 packets, all this gets us is updated file type information
4329 (which we could just stuff into "cf"), and having the new
4330 file be the one we have opened and from which we're reading
4331 the data, and it means we have to spend time opening and
4332 reading the file, which could be a significant amount of
4333 time if the file is large. */
4334 cf->user_saved = TRUE;
4336 if ((cf_open(cf, fname, FALSE, &err)) == CF_OK) {
4337 /* XXX - report errors if this fails?
4338 What should we return if it fails or is aborted? */
4340 switch (cf_read(cf, TRUE)) {
4344 /* Just because we got an error, that doesn't mean we were unable
4345 to read any of the file; we handle what we could get from the
4349 case CF_READ_ABORTED:
4350 /* The user bailed out of re-reading the capture file; the
4351 capture file has been closed - just return (without
4352 changing any menu settings; "cf_close()" set them
4353 correctly for the "no capture file open" state). */
4356 cf_callback_invoke(cf_cb_file_save_reload_finished, cf);
4362 cf_callback_invoke(cf_cb_file_save_failed, NULL);
4367 cf_open_failure_alert_box(const char *filename, int err, gchar *err_info,
4368 gboolean for_writing, int file_type)
4371 /* Wiretap error. */
4374 case WTAP_ERR_NOT_REGULAR_FILE:
4375 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4376 "The file \"%s\" is a \"special file\" or socket or other non-regular file.",
4380 case WTAP_ERR_RANDOM_OPEN_PIPE:
4381 /* Seen only when opening a capture file for reading. */
4382 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4383 "The file \"%s\" is a pipe or FIFO; Wireshark can't read pipe or FIFO files.",
4387 case WTAP_ERR_FILE_UNKNOWN_FORMAT:
4388 /* Seen only when opening a capture file for reading. */
4389 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4390 "The file \"%s\" isn't a capture file in a format Wireshark understands.",
4394 case WTAP_ERR_UNSUPPORTED:
4395 /* Seen only when opening a capture file for reading. */
4396 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4397 "The file \"%s\" isn't a capture file in a format Wireshark understands.\n"
4399 filename, err_info);
4403 case WTAP_ERR_CANT_WRITE_TO_PIPE:
4404 /* Seen only when opening a capture file for writing. */
4405 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4406 "The file \"%s\" is a pipe, and %s capture files can't be "
4407 "written to a pipe.",
4408 filename, wtap_file_type_string(file_type));
4411 case WTAP_ERR_UNSUPPORTED_FILE_TYPE:
4412 /* Seen only when opening a capture file for writing. */
4413 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4414 "Wireshark doesn't support writing capture files in that format.");
4417 case WTAP_ERR_UNSUPPORTED_ENCAP:
4419 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4420 "Wireshark can't save this capture in that format.");
4422 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4423 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.\n"
4425 filename, err_info);
4430 case WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED:
4432 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4433 "Wireshark can't save this capture in that format.");
4435 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4436 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.",
4441 case WTAP_ERR_BAD_RECORD:
4442 /* Seen only when opening a capture file for reading. */
4443 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4444 "The file \"%s\" appears to be damaged or corrupt.\n"
4446 filename, err_info);
4450 case WTAP_ERR_CANT_OPEN:
4452 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4453 "The file \"%s\" could not be created for some unknown reason.",
4456 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4457 "The file \"%s\" could not be opened for some unknown reason.",
4462 case WTAP_ERR_SHORT_READ:
4463 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4464 "The file \"%s\" appears to have been cut short"
4465 " in the middle of a packet or other data.",
4469 case WTAP_ERR_SHORT_WRITE:
4470 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4471 "A full header couldn't be written to the file \"%s\".",
4475 case WTAP_ERR_COMPRESSION_NOT_SUPPORTED:
4476 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4477 "Gzip compression not supported by this file type.");
4481 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4482 "The file \"%s\" could not be %s: %s.",
4484 for_writing ? "created" : "opened",
4485 wtap_strerror(err));
4490 open_failure_alert_box(filename, err, for_writing);
4495 file_rename_error_message(int err)
4498 static char errmsg_errno[1024+1];
4503 errmsg = "The path to the file \"%s\" doesn't exist.";
4507 errmsg = "You don't have permission to move the capture file to \"%s\".";
4511 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4512 "The file \"%%s\" could not be moved: %s.",
4513 wtap_strerror(err));
4514 errmsg = errmsg_errno;
4521 cf_read_error_message(int err, gchar *err_info)
4523 static char errmsg_errno[1024+1];
4527 case WTAP_ERR_UNSUPPORTED_ENCAP:
4528 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4529 "The file \"%%s\" has a packet with a network type that Wireshark doesn't support.\n(%s)",
4534 case WTAP_ERR_BAD_RECORD:
4535 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4536 "An error occurred while reading from the file \"%%s\": %s.\n(%s)",
4537 wtap_strerror(err), err_info);
4542 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4543 "An error occurred while reading from the file \"%%s\": %s.",
4544 wtap_strerror(err));
4547 return errmsg_errno;
4551 cf_write_failure_alert_box(const char *filename, int err)
4554 /* Wiretap error. */
4555 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4556 "An error occurred while writing to the file \"%s\": %s.",
4557 filename, wtap_strerror(err));
4560 write_failure_alert_box(filename, err);
4564 /* Check for write errors - if the file is being written to an NFS server,
4565 a write error may not show up until the file is closed, as NFS clients
4566 might not send writes to the server until the "write()" call finishes,
4567 so that the write may fail on the server but the "write()" may succeed. */
4569 cf_close_failure_alert_box(const char *filename, int err)
4572 /* Wiretap error. */
4575 case WTAP_ERR_CANT_CLOSE:
4576 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4577 "The file \"%s\" couldn't be closed for some unknown reason.",
4581 case WTAP_ERR_SHORT_WRITE:
4582 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4583 "Not all the packets could be written to the file \"%s\".",
4588 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4589 "An error occurred while closing the file \"%s\": %s.",
4590 filename, wtap_strerror(err));
4595 We assume that a close error from the OS is really a write error. */
4596 write_failure_alert_box(filename, err);
4600 /* Reload the current capture file. */
4602 cf_reload(capture_file *cf) {
4604 gboolean is_tempfile;
4607 /* If the file could be opened, "cf_open()" calls "cf_close()"
4608 to get rid of state for the old capture file before filling in state
4609 for the new capture file. "cf_close()" will remove the file if
4610 it's a temporary file; we don't want that to happen (for one thing,
4611 it'd prevent subsequent reopens from working). Remember whether it's
4612 a temporary file, mark it as not being a temporary file, and then
4613 reopen it as the type of file it was.
4615 Also, "cf_close()" will free "cf->filename", so we must make
4616 a copy of it first. */
4617 filename = g_strdup(cf->filename);
4618 is_tempfile = cf->is_tempfile;
4619 cf->is_tempfile = FALSE;
4620 if (cf_open(cf, filename, is_tempfile, &err) == CF_OK) {
4621 switch (cf_read(cf, FALSE)) {
4625 /* Just because we got an error, that doesn't mean we were unable
4626 to read any of the file; we handle what we could get from the
4630 case CF_READ_ABORTED:
4631 /* The user bailed out of re-reading the capture file; the
4632 capture file has been closed - just free the capture file name
4633 string and return (without changing the last containing
4639 /* The open failed, so "cf->is_tempfile" wasn't set to "is_tempfile".
4640 Instead, the file was left open, so we should restore "cf->is_tempfile"
4643 XXX - change the menu? Presumably "cf_open()" will do that;
4644 make sure it does! */
4645 cf->is_tempfile = is_tempfile;
4647 /* "cf_open()" made a copy of the file name we handed it, so
4648 we should free up our copy. */
4658 * indent-tabs-mode: nil
4661 * ex: set shiftwidth=2 tabstop=8 expandtab
4662 * :indentSize=2:tabSize=8:noTabs=true: