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_fake_continue_tail(capture_file *cf) {
909 cf->state = FILE_READ_DONE;
913 cf_finish_tail(capture_file *cf, int *err)
918 gboolean filtering_tap_listeners;
922 /* Compile the current display filter.
923 * We assume this will not fail since cf->dfilter is only set in
924 * cf_filter IFF the filter was valid.
926 compiled = dfilter_compile(cf->dfilter, &dfcode);
927 g_assert(!cf->dfilter || (compiled && dfcode));
929 /* Do we have any tap listeners with filters? */
930 filtering_tap_listeners = have_filtering_tap_listeners();
932 /* Get the union of the flags for all tap listeners. */
933 tap_flags = union_of_tap_listener_flags();
935 if(cf->wth == NULL) {
937 return CF_READ_ERROR;
940 #ifdef NEW_PACKET_LIST
941 new_packet_list_check_end();
942 /* Don't freeze/thaw the list when doing live capture */
943 /*new_packet_list_freeze();*/
945 packet_list_check_end();
946 packet_list_freeze();
949 while ((wtap_read(cf->wth, err, &err_info, &data_offset))) {
950 if (cf->state == FILE_READ_ABORTED) {
951 /* Well, the user decided to abort the read. Break out of the
952 loop, and let the code below (which is called even if there
953 aren't any packets left to read) exit. */
956 read_packet(cf, dfcode, filtering_tap_listeners, tap_flags, data_offset);
959 /* Cleanup and release all dfilter resources */
961 dfilter_free(dfcode);
964 #ifdef NEW_PACKET_LIST
965 /* Don't freeze/thaw the list when doing live capture */
966 /*new_packet_list_thaw();*/
971 if (cf->state == FILE_READ_ABORTED) {
972 /* Well, the user decided to abort the read. We're only called
973 when the child capture process closes the pipe to us (meaning
974 it's probably exited), so we can just close the capture
975 file; we return CF_READ_ABORTED so our caller can do whatever
976 is appropriate when that happens. */
978 return CF_READ_ABORTED;
981 if (auto_scroll_live && cf->plist_end != NULL)
982 #ifdef NEW_PACKET_LIST
983 new_packet_list_moveto_end();
985 /* XXX - this cheats and looks inside the packet list to find the final
987 packet_list_moveto_end();
990 /* We're done reading sequentially through the file. */
991 cf->state = FILE_READ_DONE;
993 /* We're done reading sequentially through the file; close the
994 sequential I/O side, to free up memory it requires. */
995 wtap_sequential_close(cf->wth);
997 /* Allow the protocol dissectors to free up memory that they
998 * don't need after the sequential run-through of the packets. */
999 postseq_cleanup_all_protocols();
1001 /* Set the file encapsulation type now; we don't know what it is until
1002 we've looked at all the packets, as we don't know until then whether
1003 there's more than one type (and thus whether it's
1004 WTAP_ENCAP_PER_PACKET). */
1005 cf->lnk_t = wtap_file_encap(cf->wth);
1008 /* We got an error reading the capture file.
1009 XXX - pop up a dialog box? */
1010 return CF_READ_ERROR;
1015 #endif /* HAVE_LIBPCAP */
1018 cf_get_display_name(capture_file *cf)
1020 const gchar *displayname;
1022 /* Return a name to use in displays */
1023 if (!cf->is_tempfile) {
1024 /* Get the last component of the file name, and use that. */
1026 displayname = get_basename(cf->filename);
1028 displayname="(No file)";
1031 /* The file we read is a temporary file from a live capture;
1032 we don't mention its name. */
1034 displayname = cf->source;
1036 displayname = "(Untitled)";
1042 void cf_set_tempfile_source(capture_file *cf, gchar *source) {
1048 cf->source = g_strdup(source);
1050 cf->source = g_strdup("");
1054 const gchar *cf_get_tempfile_source(capture_file *cf) {
1062 /* XXX - use a macro instead? */
1064 cf_get_packet_count(capture_file *cf)
1069 /* XXX - use a macro instead? */
1071 cf_set_packet_count(capture_file *cf, int packet_count)
1073 cf->count = packet_count;
1076 /* XXX - use a macro instead? */
1078 cf_is_tempfile(capture_file *cf)
1080 return cf->is_tempfile;
1083 void cf_set_tempfile(capture_file *cf, gboolean is_tempfile)
1085 cf->is_tempfile = is_tempfile;
1089 /* XXX - use a macro instead? */
1090 void cf_set_drops_known(capture_file *cf, gboolean drops_known)
1092 cf->drops_known = drops_known;
1095 /* XXX - use a macro instead? */
1096 void cf_set_drops(capture_file *cf, guint32 drops)
1101 /* XXX - use a macro instead? */
1102 gboolean cf_get_drops_known(capture_file *cf)
1104 return cf->drops_known;
1107 /* XXX - use a macro instead? */
1108 guint32 cf_get_drops(capture_file *cf)
1113 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode)
1115 cf->rfcode = rfcode;
1118 #ifdef NEW_PACKET_LIST
1120 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1121 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1123 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1125 gboolean add_to_packet_list)
1127 gboolean create_proto_tree = FALSE;
1132 cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
1134 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1135 &first_ts, &prev_dis_ts, &prev_cap_ts);
1138 + we have a display filter and are re-applying it;
1139 + we have tap listeners with filters;
1140 + we have tap listeners that require a protocol tree;
1142 allocate a protocol tree root node, so that we'll construct
1143 a protocol tree against which a filter expression can be
1145 if ((dfcode != NULL && refilter) ||
1146 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1147 create_proto_tree = TRUE;
1149 /* Dissect the frame. */
1150 epan_dissect_init(&edt, create_proto_tree, FALSE);
1152 if (dfcode != NULL && refilter) {
1153 epan_dissect_prime_dfilter(&edt, dfcode);
1156 tap_queue_init(&edt);
1157 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1158 tap_push_tapped_queue(&edt);
1160 /* If we have a display filter, apply it if we're refiltering, otherwise
1161 leave the "passed_dfilter" flag alone.
1163 If we don't have a display filter, set "passed_dfilter" to 1. */
1164 if (dfcode != NULL) {
1166 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1169 fdata->flags.passed_dfilter = 1;
1171 if (add_to_packet_list) {
1172 /* We fill the needed columns from new_packet_list */
1173 row = new_packet_list_append(cinfo, fdata, &edt.pi);
1176 if(fdata->flags.passed_dfilter || fdata->flags.ref_time)
1178 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1180 /* If we haven't yet seen the first frame, this is it.
1182 XXX - we must do this before we add the row to the display,
1183 as, if the display's GtkCList's selection mode is
1184 GTK_SELECTION_BROWSE, when the first entry is added to it,
1185 "cf_select_packet()" will be called, and it will fetch the row
1186 data for the 0th row, and will get a null pointer rather than
1187 "fdata", as "gtk_clist_append()" won't yet have returned and
1188 thus "gtk_clist_set_row_data()" won't yet have been called.
1190 We thus need to leave behind bread crumbs so that
1191 "cf_select_packet()" can find this frame. See the comment
1192 in "cf_select_packet()". */
1193 if (cf->first_displayed == NULL)
1194 cf->first_displayed = fdata;
1196 /* This is the last frame we've seen so far. */
1197 cf->last_displayed = fdata;
1199 cf->displayed_count++;
1202 epan_dissect_cleanup(&edt);
1209 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1210 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1212 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1214 gboolean add_to_packet_list _U_)
1216 gboolean create_proto_tree = FALSE;
1223 /* just add some value here until we know if it is being displayed or not */
1224 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
1226 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1227 &first_ts, &prev_dis_ts, &prev_cap_ts);
1231 we have a display filter and are re-applying it;
1233 we have a list of color filters;
1235 we have tap listeners with filters;
1237 we have tap listeners that require a protocol tree;
1239 we have custom columns;
1241 allocate a protocol tree root node, so that we'll construct
1242 a protocol tree against which a filter expression can be
1244 if ((dfcode != NULL && refilter) ||
1245 color_filters_used() ||
1246 have_custom_cols(cinfo) ||
1247 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1248 create_proto_tree = TRUE;
1250 /* Dissect the frame. */
1251 epan_dissect_init(&edt, create_proto_tree, FALSE);
1253 if (dfcode != NULL && refilter) {
1254 epan_dissect_prime_dfilter(&edt, dfcode);
1257 /* prepare color filters */
1258 color_filters_prime_edt(&edt);
1259 col_custom_prime_edt(&edt, cinfo);
1261 tap_queue_init(&edt);
1262 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1263 tap_push_tapped_queue(&edt);
1265 /* If we have a display filter, apply it if we're refiltering, otherwise
1266 leave the "passed_dfilter" flag alone.
1268 If we don't have a display filter, set "passed_dfilter" to 1. */
1269 if (dfcode != NULL) {
1271 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1274 fdata->flags.passed_dfilter = 1;
1276 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) )
1278 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1280 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
1282 /* If we haven't yet seen the first frame, this is it.
1284 XXX - we must do this before we add the row to the display,
1285 as, if the display's GtkCList's selection mode is
1286 GTK_SELECTION_BROWSE, when the first entry is added to it,
1287 "cf_select_packet()" will be called, and it will fetch the row
1288 data for the 0th row, and will get a null pointer rather than
1289 "fdata", as "gtk_clist_append()" won't yet have returned and
1290 thus "gtk_clist_set_row_data()" won't yet have been called.
1292 We thus need to leave behind bread crumbs so that
1293 "cf_select_packet()" can find this frame. See the comment
1294 in "cf_select_packet()". */
1295 if (cf->first_displayed == NULL)
1296 cf->first_displayed = fdata;
1298 /* This is the last frame we've seen so far. */
1299 cf->last_displayed = fdata;
1301 row = packet_list_append(cinfo->col_data, fdata);
1303 /* colorize packet: first apply color filters
1304 * then if packet is marked, use preferences to overwrite color
1305 * we do both to make sure that when a packet gets un-marked, the
1306 * color will be correctly set (fixes bug 2038)
1308 fdata->color_filter = color_filters_colorize_packet(row, &edt);
1309 if (fdata->flags.marked) {
1310 packet_list_set_colors(row, &prefs.gui_marked_fg, &prefs.gui_marked_bg);
1312 if (fdata->flags.ignored) {
1313 packet_list_set_colors(row, &prefs.gui_ignored_fg, &prefs.gui_ignored_bg);
1316 cf->displayed_count++;
1319 epan_dissect_cleanup(&edt);
1324 /* read in a new packet */
1325 /* returns the row of the new packet in the packet list or -1 if not displayed */
1327 read_packet(capture_file *cf, dfilter_t *dfcode,
1328 gboolean filtering_tap_listeners, guint tap_flags, gint64 offset)
1330 const struct wtap_pkthdr *phdr = wtap_phdr(cf->wth);
1331 union wtap_pseudo_header *pseudo_header = wtap_pseudoheader(cf->wth);
1332 const guchar *buf = wtap_buf_ptr(cf->wth);
1339 /* Allocate the next list entry, and add it to the list.
1340 * memory chunks have been deprecated in favor of the slice allocator,
1341 * which has been added in 2.10
1343 #if GLIB_CHECK_VERSION(2,10,0)
1344 fdata = g_slice_new(frame_data);
1346 fdata = g_mem_chunk_alloc(cf->plist_chunk);
1349 frame_data_init(fdata, cf->count, phdr, offset, cum_bytes);
1351 #ifdef NEW_PACKET_LIST
1352 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1353 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1359 epan_dissect_init(&edt, TRUE, FALSE);
1360 epan_dissect_prime_dfilter(&edt, cf->rfcode);
1361 epan_dissect_run(&edt, pseudo_header, buf, fdata, NULL);
1362 passed = dfilter_apply_edt(cf->rfcode, &edt);
1363 epan_dissect_cleanup(&edt);
1367 cap_file_add_fdata(cf, fdata);
1369 cf->f_datalen = offset + fdata->cap_len;
1371 if (!cf->redissecting) {
1372 row = add_packet_to_packet_list(fdata, cf, dfcode,
1373 filtering_tap_listeners, tap_flags,
1374 pseudo_header, buf, TRUE, TRUE);
1377 /* We didn't pass read filter so roll back count */
1380 /* XXX - if we didn't have read filters, or if we could avoid
1381 allocating the "frame_data" structure until we knew whether
1382 the frame passed the read filter, we could use a G_ALLOC_ONLY
1385 ...but, at least in one test I did, where I just made the chunk
1386 a G_ALLOC_ONLY chunk and read in a huge capture file, it didn't
1387 seem to save a noticeable amount of time or space. */
1388 #if GLIB_CHECK_VERSION(2,10,0)
1389 /* memory chunks have been deprecated in favor of the slice allocator,
1390 * which has been added in 2.10
1392 g_slice_free(frame_data,fdata);
1394 g_mem_chunk_free(cf->plist_chunk, fdata);
1402 cf_merge_files(char **out_filenamep, int in_file_count,
1403 char *const *in_filenames, int file_type, gboolean do_append)
1405 merge_in_file_t *in_files;
1411 int open_err, read_err, write_err, close_err;
1415 char errmsg_errno[1024+1];
1417 gboolean got_read_error = FALSE, got_write_error = FALSE;
1419 progdlg_t *progbar = NULL;
1421 gint64 f_len, file_pos;
1423 GTimeVal start_time;
1424 gchar status_str[100];
1425 gint64 progbar_nextstep;
1426 gint64 progbar_quantum;
1428 /* open the input files */
1429 if (!merge_open_in_files(in_file_count, in_filenames, &in_files,
1430 &open_err, &err_info, &err_fileno)) {
1432 cf_open_failure_alert_box(in_filenames[err_fileno], open_err, err_info,
1437 if (*out_filenamep != NULL) {
1438 out_filename = *out_filenamep;
1439 out_fd = ws_open(out_filename, O_CREAT|O_TRUNC|O_BINARY, 0600);
1443 out_fd = create_tempfile(&tmpname, "wireshark");
1446 out_filename = g_strdup(tmpname);
1447 *out_filenamep = out_filename;
1451 merge_close_in_files(in_file_count, in_files);
1453 cf_open_failure_alert_box(out_filename, open_err, NULL, TRUE, file_type);
1457 pdh = wtap_dump_fdopen(out_fd, file_type,
1458 merge_select_frame_type(in_file_count, in_files),
1459 merge_max_snapshot_length(in_file_count, in_files),
1460 FALSE /* compressed */, &open_err);
1463 merge_close_in_files(in_file_count, in_files);
1465 cf_open_failure_alert_box(out_filename, open_err, err_info, TRUE,
1470 /* Get the sum of the sizes of all the files. */
1472 for (i = 0; i < in_file_count; i++)
1473 f_len += in_files[i].size;
1475 /* Update the progress bar when it gets to this value. */
1476 progbar_nextstep = 0;
1477 /* When we reach the value that triggers a progress bar update,
1478 bump that value by this amount. */
1479 progbar_quantum = f_len/N_PROGBAR_UPDATES;
1480 /* Progress so far. */
1484 g_get_current_time(&start_time);
1486 /* do the merge (or append) */
1489 wth = merge_append_read_packet(in_file_count, in_files, &read_err,
1492 wth = merge_read_packet(in_file_count, in_files, &read_err,
1496 got_read_error = TRUE;
1500 /* Get the sum of the data offsets in all of the files. */
1502 for (i = 0; i < in_file_count; i++)
1503 data_offset += in_files[i].data_offset;
1505 /* Create the progress bar if necessary.
1506 We check on every iteration of the loop, so that it takes no
1507 longer than the standard time to create it (otherwise, for a
1508 large file, we might take considerably longer than that standard
1509 time in order to get to the next progress bar step). */
1510 if (progbar == NULL) {
1511 progbar = delayed_create_progress_dlg("Merging", "files",
1512 FALSE, &stop_flag, &start_time, progbar_val);
1515 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1516 when we update it, we have to run the GTK+ main loop to get it
1517 to repaint what's pending, and doing so may involve an "ioctl()"
1518 to see if there's any pending input from an X server, and doing
1519 that for every packet can be costly, especially on a big file. */
1520 if (data_offset >= progbar_nextstep) {
1521 /* Get the sum of the seek positions in all of the files. */
1523 for (i = 0; i < in_file_count; i++)
1524 file_pos += wtap_read_so_far(in_files[i].wth, NULL);
1525 progbar_val = (gfloat) file_pos / (gfloat) f_len;
1526 if (progbar_val > 1.0f) {
1527 /* Some file probably grew while we were reading it.
1528 That "shouldn't happen", so we'll just clip the progress
1532 if (progbar != NULL) {
1533 g_snprintf(status_str, sizeof(status_str),
1534 "%" G_GINT64_MODIFIER "dKB of %" G_GINT64_MODIFIER "dKB",
1535 file_pos / 1024, f_len / 1024);
1536 update_progress_dlg(progbar, progbar_val, status_str);
1538 progbar_nextstep += progbar_quantum;
1542 /* Well, the user decided to abort the merge. */
1546 if (!wtap_dump(pdh, wtap_phdr(wth), wtap_pseudoheader(wth),
1547 wtap_buf_ptr(wth), &write_err)) {
1548 got_write_error = TRUE;
1553 /* We're done merging the files; destroy the progress bar if it was created. */
1554 if (progbar != NULL)
1555 destroy_progress_dlg(progbar);
1557 merge_close_in_files(in_file_count, in_files);
1558 if (!got_read_error && !got_write_error) {
1559 if (!wtap_dump_close(pdh, &write_err))
1560 got_write_error = TRUE;
1562 wtap_dump_close(pdh, &close_err);
1564 if (got_read_error) {
1566 * Find the file on which we got the error, and report the error.
1568 for (i = 0; i < in_file_count; i++) {
1569 if (in_files[i].state == GOT_ERROR) {
1570 /* Put up a message box noting that a read failed somewhere along
1574 case WTAP_ERR_UNSUPPORTED_ENCAP:
1575 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1576 "The capture file %%s has a packet with a network type that Wireshark doesn't support.\n(%s)",
1579 errmsg = errmsg_errno;
1582 case WTAP_ERR_CANT_READ:
1583 errmsg = "An attempt to read from the capture file %s failed for"
1584 " some unknown reason.";
1587 case WTAP_ERR_SHORT_READ:
1588 errmsg = "The capture file %s appears to have been cut short"
1589 " in the middle of a packet.";
1592 case WTAP_ERR_BAD_RECORD:
1593 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1594 "The capture file %%s appears to be damaged or corrupt.\n(%s)",
1597 errmsg = errmsg_errno;
1601 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1602 "An error occurred while reading the"
1603 " capture file %%s: %s.", wtap_strerror(read_err));
1604 errmsg = errmsg_errno;
1607 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, errmsg, in_files[i].filename);
1612 if (got_write_error) {
1613 /* Put up an alert box for the write error. */
1614 cf_write_failure_alert_box(out_filename, write_err);
1617 if (got_read_error || got_write_error || stop_flag) {
1618 /* Callers aren't expected to treat an error or an explicit abort
1619 differently - we put up error dialogs ourselves, so they don't
1627 cf_filter_packets(capture_file *cf, gchar *dftext, gboolean force)
1629 const char *filter_new = dftext ? dftext : "";
1630 const char *filter_old = cf->dfilter ? cf->dfilter : "";
1632 GTimeVal start_time;
1634 /* if new filter equals old one, do nothing unless told to do so */
1635 if (!force && strcmp(filter_new, filter_old) == 0) {
1641 if (dftext == NULL) {
1642 /* The new filter is an empty filter (i.e., display all packets).
1643 * so leave dfcode==NULL
1647 * We have a filter; make a copy of it (as we'll be saving it),
1648 * and try to compile it.
1650 dftext = g_strdup(dftext);
1651 if (!dfilter_compile(dftext, &dfcode)) {
1652 /* The attempt failed; report an error. */
1653 gchar *safe_dftext = simple_dialog_format_message(dftext);
1654 gchar *safe_dfilter_error_msg = simple_dialog_format_message(
1656 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1659 "The following display filter isn't a valid display filter:\n%s\n"
1660 "See the help for a description of the display filter syntax.",
1661 simple_dialog_primary_start(), safe_dfilter_error_msg,
1662 simple_dialog_primary_end(), safe_dftext);
1663 g_free(safe_dfilter_error_msg);
1664 g_free(safe_dftext);
1670 if (dfcode == NULL) {
1671 /* Yes - free the filter text, and set it to null. */
1677 /* We have a valid filter. Replace the current filter. */
1678 g_free(cf->dfilter);
1679 cf->dfilter = dftext;
1680 g_get_current_time(&start_time);
1683 /* Now rescan the packet list, applying the new filter, but not
1684 throwing away information constructed on a previous pass. */
1685 if (dftext == NULL) {
1686 rescan_packets(cf, "Resetting", "Filter", TRUE, FALSE);
1688 rescan_packets(cf, "Filtering", dftext, TRUE, FALSE);
1691 /* Cleanup and release all dfilter resources */
1692 dfilter_free(dfcode);
1698 cf_colorize_packets(capture_file *cf)
1700 rescan_packets(cf, "Colorizing", "all packets", FALSE, FALSE);
1704 cf_reftime_packets(capture_file *cf)
1707 #ifdef NEW_PACKET_LIST
1708 ref_time_packets(cf);
1710 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1715 cf_redissect_packets(capture_file *cf)
1717 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1721 cf_read_frame_r(capture_file *cf, frame_data *fdata,
1722 union wtap_pseudo_header *pseudo_header, guint8 *pd,
1723 int *err, gchar **err_info)
1725 return wtap_seek_read(cf->wth, fdata->file_off, pseudo_header,
1726 pd, fdata->cap_len, err, err_info);
1730 cf_read_frame(capture_file *cf, frame_data *fdata, int *err, gchar **err_info)
1732 return cf_read_frame_r(cf, fdata, &cf->pseudo_header, cf->pd, err, err_info);
1735 /* Rescan the list of packets, reconstructing the CList.
1737 "action" describes why we're doing this; it's used in the progress
1740 "action_item" describes what we're doing; it's used in the progress
1743 "refilter" is TRUE if we need to re-evaluate the filter expression.
1745 "redissect" is TRUE if we need to make the dissectors reconstruct
1746 any state information they have (because a preference that affects
1747 some dissector has changed, meaning some dissector might construct
1748 its state differently from the way it was constructed the last time). */
1749 #ifdef NEW_PACKET_LIST
1751 rescan_packets(capture_file *cf, const char *action, const char *action_item,
1752 gboolean refilter, gboolean redissect)
1754 /* Rescan packets new packet list */
1756 progdlg_t *progbar = NULL;
1761 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
1762 int selected_frame_num, preceding_frame_num, following_frame_num, prev_frame_num;
1763 gboolean selected_frame_seen;
1766 GTimeVal start_time;
1767 gchar status_str[100];
1768 int progbar_nextstep;
1769 int progbar_quantum;
1771 gboolean filtering_tap_listeners;
1773 gboolean add_to_packet_list = FALSE;
1776 /* Compile the current display filter.
1777 * We assume this will not fail since cf->dfilter is only set in
1778 * cf_filter IFF the filter was valid.
1780 compiled = dfilter_compile(cf->dfilter, &dfcode);
1781 g_assert(!cf->dfilter || (compiled && dfcode));
1783 /* Do we have any tap listeners with filters? */
1784 filtering_tap_listeners = have_filtering_tap_listeners();
1786 /* Get the union of the flags for all tap listeners. */
1787 tap_flags = union_of_tap_listener_flags();
1789 reset_tap_listeners();
1790 /* Which frame, if any, is the currently selected frame?
1791 XXX - should the selected frame or the focus frame be the "current"
1792 frame, that frame being the one from which "Find Frame" searches
1794 selected_frame = cf->current_frame;
1796 /* Mark frane num as not found */
1797 selected_frame_num = -1;
1799 /* Freeze the packet list while we redo it, so we don't get any
1800 screen updates while it happens. */
1801 new_packet_list_freeze();
1804 /* We need to re-initialize all the state information that protocols
1805 keep, because some preference that controls a dissector has changed,
1806 which might cause the state information to be constructed differently
1807 by that dissector. */
1809 /* We might receive new packets while redissecting, and we don't
1810 want to dissect those before their time. */
1811 cf->redissecting = TRUE;
1813 /* Cleanup all data structures used for dissection. */
1814 cleanup_dissection();
1815 /* Initialize all data structures used for dissection. */
1818 /* We need to redissect the packets so we have to discard our old
1819 * packet list store. */
1820 new_packet_list_clear();
1821 add_to_packet_list = TRUE;
1824 /* We don't yet know which will be the first and last frames displayed. */
1825 cf->first_displayed = NULL;
1826 cf->last_displayed = NULL;
1828 /* We currently don't display any packets */
1829 cf->displayed_count = 0;
1831 /* Iterate through the list of frames. Call a routine for each frame
1832 to check whether it should be displayed and, if so, add it to
1833 the display list. */
1834 nstime_set_unset(&first_ts);
1835 nstime_set_unset(&prev_dis_ts);
1836 nstime_set_unset(&prev_cap_ts);
1839 /* Update the progress bar when it gets to this value. */
1840 progbar_nextstep = 0;
1841 /* When we reach the value that triggers a progress bar update,
1842 bump that value by this amount. */
1843 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
1844 /* Count of packets at which we've looked. */
1846 /* Progress so far. */
1850 g_get_current_time(&start_time);
1852 /* no previous row yet */
1854 prev_frame_num = -1;
1857 preceding_frame_num = -1;
1858 preceding_frame = NULL;
1859 following_frame_num = -1;
1860 following_frame = NULL;
1862 selected_frame_seen = FALSE;
1864 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
1865 /* Create the progress bar if necessary.
1866 We check on every iteration of the loop, so that it takes no
1867 longer than the standard time to create it (otherwise, for a
1868 large file, we might take considerably longer than that standard
1869 time in order to get to the next progress bar step). */
1870 if (progbar == NULL)
1871 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
1872 &stop_flag, &start_time,
1875 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1876 when we update it, we have to run the GTK+ main loop to get it
1877 to repaint what's pending, and doing so may involve an "ioctl()"
1878 to see if there's any pending input from an X server, and doing
1879 that for every packet can be costly, especially on a big file. */
1880 if (count >= progbar_nextstep) {
1881 /* let's not divide by zero. I should never be started
1882 * with count == 0, so let's assert that
1884 g_assert(cf->count > 0);
1885 progbar_val = (gfloat) count / cf->count;
1887 if (progbar != NULL) {
1888 g_snprintf(status_str, sizeof(status_str),
1889 "%4u of %u frames", count, cf->count);
1890 update_progress_dlg(progbar, progbar_val, status_str);
1893 progbar_nextstep += progbar_quantum;
1897 /* Well, the user decided to abort the filtering. Just stop.
1899 XXX - go back to the previous filter? Users probably just
1900 want not to wait for a filtering operation to finish;
1901 unless we cancel by having no filter, reverting to the
1902 previous filter will probably be even more expensive than
1903 continuing the filtering, as it involves going back to the
1904 beginning and filtering, and even with no filter we currently
1905 have to re-generate the entire clist, which is also expensive.
1907 I'm not sure what Network Monitor does, but it doesn't appear
1908 to give you an unfiltered display if you cancel. */
1915 /* Since all state for the frame was destroyed, mark the frame
1916 * as not visited, free the GSList referring to the state
1917 * data (the per-frame data itself was freed by
1918 * "init_dissection()"), and null out the GSList pointer. */
1919 fdata->flags.visited = 0;
1920 frame_data_cleanup(fdata);
1922 /* cleanup_dissection() calls se_free_all();
1923 * And after that fdata->col_text (which is allocated using se_alloc0())
1924 * no longer points to valid memory.
1926 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1927 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1930 if (!cf_read_frame (cf, fdata, &err, &err_info)) {
1931 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1932 cf_read_error_message(err, err_info), cf->filename);
1936 /* If the previous frame is displayed, and we haven't yet seen the
1937 selected frame, remember that frame - it's the closest one we've
1938 yet seen before the selected frame. */
1939 if (prev_frame_num != -1 && !selected_frame_seen && prev_frame->flags.passed_dfilter) {
1940 preceding_frame_num = prev_frame_num;
1941 preceding_frame = prev_frame;
1943 add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
1944 tap_flags, &cf->pseudo_header, cf->pd,
1946 add_to_packet_list);
1948 /* If this frame is displayed, and this is the first frame we've
1949 seen displayed after the selected frame, remember this frame -
1950 it's the closest one we've yet seen at or after the selected
1952 if (fdata->flags.passed_dfilter && selected_frame_seen && following_frame_num == -1) {
1953 following_frame_num = fdata->num;
1954 following_frame = fdata;
1956 if (fdata == selected_frame) {
1957 selected_frame_seen = TRUE;
1958 if (fdata->flags.passed_dfilter)
1959 selected_frame_num = fdata->num;
1962 /* Remember this frame - it'll be the previous frame
1963 on the next pass through the loop. */
1964 prev_frame_num = fdata->num;
1968 /* We are done redissecting the packet list. */
1969 cf->redissecting = FALSE;
1972 /* Clear out what remains of the visited flags and per-frame data
1975 XXX - that may cause various forms of bogosity when dissecting
1976 these frames, as they won't have been seen by this sequential
1977 pass, but the only alternative I see is to keep scanning them
1978 even though the user requested that the scan stop, and that
1979 would leave the user stuck with an Wireshark grinding on
1980 until it finishes. Should we just stick them with that? */
1981 for (; fdata != NULL; fdata = fdata->next) {
1982 fdata->flags.visited = 0;
1983 frame_data_cleanup(fdata);
1987 /* We're done filtering the packets; destroy the progress bar if it
1989 if (progbar != NULL)
1990 destroy_progress_dlg(progbar);
1992 /* Unfreeze the packet list. */
1993 if (!add_to_packet_list)
1994 new_packet_list_recreate_visible_rows();
1996 /* Compute the time it took to filter the file */
1997 compute_elapsed(&start_time);
1999 new_packet_list_thaw();
2001 if (selected_frame_num == -1) {
2002 /* The selected frame didn't pass the filter. */
2003 if (selected_frame == NULL) {
2004 /* That's because there *was* no selected frame. Make the first
2005 displayed frame the current frame. */
2006 selected_frame_num = 0;
2008 /* Find the nearest displayed frame to the selected frame (whether
2009 it's before or after that frame) and make that the current frame.
2010 If the next and previous displayed frames are equidistant from the
2011 selected frame, choose the next one. */
2012 g_assert(following_frame == NULL ||
2013 following_frame->num >= selected_frame->num);
2014 g_assert(preceding_frame == NULL ||
2015 preceding_frame->num <= selected_frame->num);
2016 if (following_frame == NULL) {
2017 /* No frame after the selected frame passed the filter, so we
2018 have to select the last displayed frame before the selected
2020 selected_frame_num = preceding_frame_num;
2021 selected_frame = preceding_frame;
2022 } else if (preceding_frame == NULL) {
2023 /* No frame before the selected frame passed the filter, so we
2024 have to select the first displayed frame after the selected
2026 selected_frame_num = following_frame_num;
2027 selected_frame = following_frame;
2029 /* Frames before and after the selected frame passed the filter, so
2030 we'll select the previous frame */
2031 selected_frame_num = preceding_frame_num;
2032 selected_frame = preceding_frame;
2037 if (selected_frame_num == -1) {
2038 /* There are no frames displayed at all. */
2039 cf_unselect_packet(cf);
2041 /* Either the frame that was selected passed the filter, or we've
2042 found the nearest displayed frame to that frame. Select it, make
2043 it the focus row, and make it visible. */
2044 /* Set to invalid to force update of packet list and packet details */
2045 cf->current_row = -1;
2046 if (selected_frame_num == 0) {
2047 new_packet_list_select_first_row();
2049 new_packet_list_find_row_from_data(selected_frame, TRUE);
2053 /* Cleanup and release all dfilter resources */
2054 dfilter_free(dfcode);
2060 rescan_packets(capture_file *cf, const char *action, const char *action_item,
2061 gboolean refilter, gboolean redissect)
2064 progdlg_t *progbar = NULL;
2069 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
2070 int selected_row, prev_row, preceding_row, following_row;
2071 gboolean selected_frame_seen;
2074 GTimeVal start_time;
2075 gchar status_str[100];
2076 int progbar_nextstep;
2077 int progbar_quantum;
2079 gboolean filtering_tap_listeners;
2081 gboolean add_to_packet_list = TRUE;
2084 /* Compile the current display filter.
2085 * We assume this will not fail since cf->dfilter is only set in
2086 * cf_filter IFF the filter was valid.
2088 compiled = dfilter_compile(cf->dfilter, &dfcode);
2089 g_assert(!cf->dfilter || (compiled && dfcode));
2091 /* Do we have any tap listeners with filters? */
2092 filtering_tap_listeners = have_filtering_tap_listeners();
2094 /* Get the union of the flags for all tap listeners. */
2095 tap_flags = union_of_tap_listener_flags();
2097 reset_tap_listeners();
2098 /* Which frame, if any, is the currently selected frame?
2099 XXX - should the selected frame or the focus frame be the "current"
2100 frame, that frame being the one from which "Find Frame" searches
2102 selected_frame = cf->current_frame;
2104 /* We don't yet know what row that frame will be on, if any, after we
2105 rebuild the clist, however. */
2108 /* Freeze the packet list while we redo it, so we don't get any
2109 screen updates while it happens. */
2110 packet_list_freeze();
2113 packet_list_clear();
2116 /* We need to re-initialize all the state information that protocols
2117 keep, because some preference that controls a dissector has changed,
2118 which might cause the state information to be constructed differently
2119 by that dissector. */
2121 /* We might receive new packets while redissecting, and we don't
2122 want to dissect those before their time. */
2123 cf->redissecting = TRUE;
2125 /* Cleanup all data structures used for dissection. */
2126 cleanup_dissection();
2127 /* Initialize all data structures used for dissection. */
2132 /* We don't yet know which will be the first and last frames displayed. */
2133 cf->first_displayed = NULL;
2134 cf->last_displayed = NULL;
2138 /* We currently don't display any packets */
2139 cf->displayed_count = 0;
2141 /* Iterate through the list of frames. Call a routine for each frame
2142 to check whether it should be displayed and, if so, add it to
2143 the display list. */
2144 nstime_set_unset(&first_ts);
2145 nstime_set_unset(&prev_dis_ts);
2146 nstime_set_unset(&prev_cap_ts);
2149 /* Update the progress bar when it gets to this value. */
2150 progbar_nextstep = 0;
2151 /* When we reach the value that triggers a progress bar update,
2152 bump that value by this amount. */
2153 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2154 /* Count of packets at which we've looked. */
2156 /* Progress so far. */
2160 g_get_current_time(&start_time);
2162 row = -1; /* no previous row yet */
2167 preceding_frame = NULL;
2169 following_frame = NULL;
2171 selected_frame_seen = FALSE;
2173 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2174 /* Create the progress bar if necessary.
2175 We check on every iteration of the loop, so that it takes no
2176 longer than the standard time to create it (otherwise, for a
2177 large file, we might take considerably longer than that standard
2178 time in order to get to the next progress bar step). */
2179 if (progbar == NULL)
2180 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
2181 &stop_flag, &start_time,
2184 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2185 when we update it, we have to run the GTK+ main loop to get it
2186 to repaint what's pending, and doing so may involve an "ioctl()"
2187 to see if there's any pending input from an X server, and doing
2188 that for every packet can be costly, especially on a big file. */
2189 if (count >= progbar_nextstep) {
2190 /* let's not divide by zero. I should never be started
2191 * with count == 0, so let's assert that
2193 g_assert(cf->count > 0);
2194 progbar_val = (gfloat) count / cf->count;
2196 if (progbar != NULL) {
2197 g_snprintf(status_str, sizeof(status_str),
2198 "%4u of %u frames", count, cf->count);
2199 update_progress_dlg(progbar, progbar_val, status_str);
2202 progbar_nextstep += progbar_quantum;
2206 /* Well, the user decided to abort the filtering. Just stop.
2208 XXX - go back to the previous filter? Users probably just
2209 want not to wait for a filtering operation to finish;
2210 unless we cancel by having no filter, reverting to the
2211 previous filter will probably be even more expensive than
2212 continuing the filtering, as it involves going back to the
2213 beginning and filtering, and even with no filter we currently
2214 have to re-generate the entire clist, which is also expensive.
2216 I'm not sure what Network Monitor does, but it doesn't appear
2217 to give you an unfiltered display if you cancel. */
2224 /* Since all state for the frame was destroyed, mark the frame
2225 * as not visited, free the GSList referring to the state
2226 * data (the per-frame data itself was freed by
2227 * "init_dissection()"), and null out the GSList pointer.
2229 fdata->flags.visited = 0;
2230 frame_data_cleanup(fdata);
2233 if (!cf_read_frame (cf, fdata, &err, &err_info)) {
2234 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2235 cf_read_error_message(err, err_info), cf->filename);
2239 /* If the previous frame is displayed, and we haven't yet seen the
2240 selected frame, remember that frame - it's the closest one we've
2241 yet seen before the selected frame. */
2242 if (prev_row != -1 && !selected_frame_seen) {
2243 preceding_row = prev_row;
2244 preceding_frame = prev_frame;
2246 row = add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
2247 tap_flags, &cf->pseudo_header, cf->pd,
2249 add_to_packet_list);
2251 /* If this frame is displayed, and this is the first frame we've
2252 seen displayed after the selected frame, remember this frame -
2253 it's the closest one we've yet seen at or after the selected
2255 if (row != -1 && selected_frame_seen && following_row == -1) {
2256 following_row = row;
2257 following_frame = fdata;
2259 if (fdata == selected_frame) {
2261 selected_frame_seen = TRUE;
2264 /* Remember this row/frame - it'll be the previous row/frame
2265 on the next pass through the loop. */
2270 /* We are done redissecting the packet list. */
2271 cf->redissecting = FALSE;
2274 /* Clear out what remains of the visited flags and per-frame data
2277 XXX - that may cause various forms of bogosity when dissecting
2278 these frames, as they won't have been seen by this sequential
2279 pass, but the only alternative I see is to keep scanning them
2280 even though the user requested that the scan stop, and that
2281 would leave the user stuck with an Wireshark grinding on
2282 until it finishes. Should we just stick them with that? */
2283 for (; fdata != NULL; fdata = fdata->next) {
2284 fdata->flags.visited = 0;
2285 frame_data_cleanup(fdata);
2289 /* We're done filtering the packets; destroy the progress bar if it
2291 if (progbar != NULL)
2292 destroy_progress_dlg(progbar);
2294 /* Unfreeze the packet list. */
2297 if (selected_row == -1) {
2298 /* The selected frame didn't pass the filter. */
2299 if (selected_frame == NULL) {
2300 /* That's because there *was* no selected frame. Make the first
2301 displayed frame the current frame. */
2304 /* Find the nearest displayed frame to the selected frame (whether
2305 it's before or after that frame) and make that the current frame.
2306 If the next and previous displayed frames are equidistant from the
2307 selected frame, choose the next one. */
2308 g_assert(following_frame == NULL ||
2309 following_frame->num >= selected_frame->num);
2310 g_assert(preceding_frame == NULL ||
2311 preceding_frame->num <= selected_frame->num);
2312 if (following_frame == NULL) {
2313 /* No frame after the selected frame passed the filter, so we
2314 have to select the last displayed frame before the selected
2316 selected_row = preceding_row;
2317 } else if (preceding_frame == NULL) {
2318 /* No frame before the selected frame passed the filter, so we
2319 have to select the first displayed frame after the selected
2321 selected_row = following_row;
2323 /* Frames before and after the selected frame passed the filter, so
2324 we'll select the previous frame */
2325 selected_row = preceding_row;
2330 if (selected_row == -1) {
2331 /* There are no frames displayed at all. */
2332 cf_unselect_packet(cf);
2334 /* Either the frame that was selected passed the filter, or we've
2335 found the nearest displayed frame to that frame. Select it, make
2336 it the focus row, and make it visible. */
2337 if (selected_row == 0) {
2338 /* Set to invalid to force update of packet list and packet details */
2339 cf->current_row = -1;
2341 packet_list_set_selected_row(selected_row);
2344 /* Cleanup and release all dfilter resources */
2345 dfilter_free(dfcode);
2347 #endif /* NEW_PACKET_LIST */
2350 * Scan trough all frame data and recalculate the ref time
2351 * without rereading the file.
2352 * XXX - do we need a progres bar or is this fast enough?
2354 #ifdef NEW_PACKET_LIST
2356 ref_time_packets(capture_file *cf)
2360 nstime_set_unset(&first_ts);
2361 nstime_set_unset(&prev_dis_ts);
2364 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2365 /* just add some value here until we know if it is being displayed or not */
2366 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
2372 /* If we don't have the time stamp of the first packet in the
2373 capture, it's because this is the first packet. Save the time
2374 stamp of this packet as the time stamp of the first packet. */
2375 if (nstime_is_unset(&first_ts)) {
2376 first_ts = fdata->abs_ts;
2378 /* if this frames is marked as a reference time frame, reset
2379 firstsec and firstusec to this frame */
2380 if(fdata->flags.ref_time){
2381 first_ts = fdata->abs_ts;
2384 /* If we don't have the time stamp of the previous displayed packet,
2385 it's because this is the first displayed packet. Save the time
2386 stamp of this packet as the time stamp of the previous displayed
2388 if (nstime_is_unset(&prev_dis_ts)) {
2389 prev_dis_ts = fdata->abs_ts;
2392 /* Get the time elapsed between the first packet and this packet. */
2393 nstime_delta(&fdata->rel_ts, &fdata->abs_ts, &first_ts);
2395 /* If it's greater than the current elapsed time, set the elapsed time
2396 to it (we check for "greater than" so as not to be confused by
2397 time moving backwards). */
2398 if ((gint32)cf->elapsed_time.secs < fdata->rel_ts.secs
2399 || ((gint32)cf->elapsed_time.secs == fdata->rel_ts.secs && (gint32)cf->elapsed_time.nsecs < fdata->rel_ts.nsecs)) {
2400 cf->elapsed_time = fdata->rel_ts;
2403 /* Get the time elapsed between the previous displayed packet and
2405 nstime_delta(&fdata->del_dis_ts, &fdata->abs_ts, &prev_dis_ts);
2407 prev_dis_ts = fdata->abs_ts;
2412 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) ){
2413 /* This frame either passed the display filter list or is marked as
2414 a time reference frame. All time reference frames are displayed
2415 even if they dont pass the display filter */
2416 if(fdata->flags.ref_time){
2417 /* if this was a TIME REF frame we should reset the cum_bytes field */
2418 cum_bytes = fdata->pkt_len;
2419 fdata->cum_bytes = cum_bytes;
2421 /* increase cum_bytes with this packets length */
2422 cum_bytes += fdata->pkt_len;
2436 process_specified_packets(capture_file *cf, packet_range_t *range,
2437 const char *string1, const char *string2, gboolean terminate_is_stop,
2438 gboolean (*callback)(capture_file *, frame_data *,
2439 union wtap_pseudo_header *, const guint8 *, void *),
2440 void *callback_args)
2445 union wtap_pseudo_header pseudo_header;
2446 guint8 pd[WTAP_MAX_PACKET_SIZE+1];
2447 psp_return_t ret = PSP_FINISHED;
2449 progdlg_t *progbar = NULL;
2452 gboolean progbar_stop_flag;
2453 GTimeVal progbar_start_time;
2454 gchar progbar_status_str[100];
2455 int progbar_nextstep;
2456 int progbar_quantum;
2457 range_process_e process_this;
2459 /* Update the progress bar when it gets to this value. */
2460 progbar_nextstep = 0;
2461 /* When we reach the value that triggers a progress bar update,
2462 bump that value by this amount. */
2463 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2464 /* Count of packets at which we've looked. */
2466 /* Progress so far. */
2469 progbar_stop_flag = FALSE;
2470 g_get_current_time(&progbar_start_time);
2472 packet_range_process_init(range);
2474 /* Iterate through the list of packets, printing the packets that
2475 were selected by the current display filter. */
2476 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2477 /* Create the progress bar if necessary.
2478 We check on every iteration of the loop, so that it takes no
2479 longer than the standard time to create it (otherwise, for a
2480 large file, we might take considerably longer than that standard
2481 time in order to get to the next progress bar step). */
2482 if (progbar == NULL)
2483 progbar = delayed_create_progress_dlg(string1, string2,
2486 &progbar_start_time,
2489 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2490 when we update it, we have to run the GTK+ main loop to get it
2491 to repaint what's pending, and doing so may involve an "ioctl()"
2492 to see if there's any pending input from an X server, and doing
2493 that for every packet can be costly, especially on a big file. */
2494 if (progbar_count >= progbar_nextstep) {
2495 /* let's not divide by zero. I should never be started
2496 * with count == 0, so let's assert that
2498 g_assert(cf->count > 0);
2499 progbar_val = (gfloat) progbar_count / cf->count;
2501 if (progbar != NULL) {
2502 g_snprintf(progbar_status_str, sizeof(progbar_status_str),
2503 "%4u of %u packets", progbar_count, cf->count);
2504 update_progress_dlg(progbar, progbar_val, progbar_status_str);
2507 progbar_nextstep += progbar_quantum;
2510 if (progbar_stop_flag) {
2511 /* Well, the user decided to abort the operation. Just stop,
2512 and arrange to return PSP_STOPPED to our caller, so they know
2513 it was stopped explicitly. */
2520 /* do we have to process this packet? */
2521 process_this = packet_range_process_packet(range, fdata);
2522 if (process_this == range_process_next) {
2523 /* this packet uninteresting, continue with next one */
2525 } else if (process_this == range_processing_finished) {
2526 /* all interesting packets processed, stop the loop */
2530 /* Get the packet */
2531 if (!cf_read_frame_r(cf, fdata, &pseudo_header, pd, &err, &err_info)) {
2532 /* Attempt to get the packet failed. */
2533 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2534 cf_read_error_message(err, err_info), cf->filename);
2538 /* Process the packet */
2539 if (!callback(cf, fdata, &pseudo_header, pd, callback_args)) {
2540 /* Callback failed. We assume it reported the error appropriately. */
2546 /* We're done printing the packets; destroy the progress bar if
2548 if (progbar != NULL)
2549 destroy_progress_dlg(progbar);
2555 gboolean construct_protocol_tree;
2557 } retap_callback_args_t;
2560 retap_packet(capture_file *cf _U_, frame_data *fdata,
2561 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2564 retap_callback_args_t *args = argsp;
2567 epan_dissect_init(&edt, args->construct_protocol_tree, FALSE);
2568 tap_queue_init(&edt);
2569 epan_dissect_run(&edt, pseudo_header, pd, fdata, args->cinfo);
2570 tap_push_tapped_queue(&edt);
2571 epan_dissect_cleanup(&edt);
2577 cf_retap_packets(capture_file *cf)
2579 packet_range_t range;
2580 retap_callback_args_t callback_args;
2581 gboolean filtering_tap_listeners;
2584 /* Do we have any tap listeners with filters? */
2585 filtering_tap_listeners = have_filtering_tap_listeners();
2587 tap_flags = union_of_tap_listener_flags();
2589 /* If any tap listeners have filters, or require the protocol tree,
2590 construct the protocol tree. */
2591 callback_args.construct_protocol_tree = filtering_tap_listeners ||
2592 (tap_flags & TL_REQUIRES_PROTO_TREE);
2594 /* If any tap listeners require the columns, construct them. */
2595 callback_args.cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
2597 /* Reset the tap listeners. */
2598 reset_tap_listeners();
2600 /* Iterate through the list of packets, dissecting all packets and
2601 re-running the taps. */
2602 packet_range_init(&range);
2603 packet_range_process_init(&range);
2604 switch (process_specified_packets(cf, &range, "Recalculating statistics on",
2605 "all packets", TRUE, retap_packet,
2608 /* Completed successfully. */
2612 /* Well, the user decided to abort the refiltering.
2613 Return CF_READ_ABORTED so our caller knows they did that. */
2614 return CF_READ_ABORTED;
2617 /* Error while retapping. */
2618 return CF_READ_ERROR;
2621 g_assert_not_reached();
2626 print_args_t *print_args;
2627 gboolean print_header_line;
2628 char *header_line_buf;
2629 int header_line_buf_len;
2630 gboolean print_formfeed;
2631 gboolean print_separator;
2635 } print_callback_args_t;
2638 print_packet(capture_file *cf, frame_data *fdata,
2639 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2642 print_callback_args_t *args = argsp;
2649 gboolean proto_tree_needed;
2650 char bookmark_name[9+10+1]; /* "__frameNNNNNNNNNN__\0" */
2651 char bookmark_title[6+10+1]; /* "Frame NNNNNNNNNN__\0" */
2653 /* Create the protocol tree, and make it visible, if we're printing
2654 the dissection or the hex data.
2655 XXX - do we need it if we're just printing the hex data? */
2657 args->print_args->print_dissections != print_dissections_none || args->print_args->print_hex || have_custom_cols(&cf->cinfo);
2658 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2660 /* Fill in the column information if we're printing the summary
2662 if (args->print_args->print_summary) {
2663 col_custom_prime_edt(&edt, &cf->cinfo);
2664 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2665 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2667 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2669 if (args->print_formfeed) {
2670 if (!new_page(args->print_args->stream))
2673 if (args->print_separator) {
2674 if (!print_line(args->print_args->stream, 0, ""))
2680 * We generate bookmarks, if the output format supports them.
2681 * The name is "__frameN__".
2683 g_snprintf(bookmark_name, sizeof bookmark_name, "__frame%u__", fdata->num);
2685 if (args->print_args->print_summary) {
2686 if (args->print_header_line) {
2687 if (!print_line(args->print_args->stream, 0, args->header_line_buf))
2689 args->print_header_line = FALSE; /* we might not need to print any more */
2691 cp = &args->line_buf[0];
2693 for (i = 0; i < cf->cinfo.num_cols; i++) {
2694 /* Find the length of the string for this column. */
2695 column_len = (int) strlen(cf->cinfo.col_data[i]);
2696 if (args->col_widths[i] > column_len)
2697 column_len = args->col_widths[i];
2699 /* Make sure there's room in the line buffer for the column; if not,
2700 double its length. */
2701 line_len += column_len + 1; /* "+1" for space */
2702 if (line_len > args->line_buf_len) {
2703 cp_off = (int) (cp - args->line_buf);
2704 args->line_buf_len = 2 * line_len;
2705 args->line_buf = g_realloc(args->line_buf, args->line_buf_len + 1);
2706 cp = args->line_buf + cp_off;
2709 /* Right-justify the packet number column. */
2710 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2711 g_snprintf(cp, column_len+1, "%*s", args->col_widths[i], cf->cinfo.col_data[i]);
2713 g_snprintf(cp, column_len+1, "%-*s", args->col_widths[i], cf->cinfo.col_data[i]);
2715 if (i != cf->cinfo.num_cols - 1)
2721 * Generate a bookmark, using the summary line as the title.
2723 if (!print_bookmark(args->print_args->stream, bookmark_name,
2727 if (!print_line(args->print_args->stream, 0, args->line_buf))
2731 * Generate a bookmark, using "Frame N" as the title, as we're not
2732 * printing the summary line.
2734 g_snprintf(bookmark_title, sizeof bookmark_title, "Frame %u", fdata->num);
2735 if (!print_bookmark(args->print_args->stream, bookmark_name,
2738 } /* if (print_summary) */
2740 if (args->print_args->print_dissections != print_dissections_none) {
2741 if (args->print_args->print_summary) {
2742 /* Separate the summary line from the tree with a blank line. */
2743 if (!print_line(args->print_args->stream, 0, ""))
2747 /* Print the information in that tree. */
2748 if (!proto_tree_print(args->print_args, &edt, args->print_args->stream))
2751 /* Print a blank line if we print anything after this (aka more than one packet). */
2752 args->print_separator = TRUE;
2754 /* Print a header line if we print any more packet summaries */
2755 args->print_header_line = TRUE;
2758 if (args->print_args->print_hex) {
2759 /* Print the full packet data as hex. */
2760 if (!print_hex_data(args->print_args->stream, &edt))
2763 /* Print a blank line if we print anything after this (aka more than one packet). */
2764 args->print_separator = TRUE;
2766 /* Print a header line if we print any more packet summaries */
2767 args->print_header_line = TRUE;
2768 } /* if (args->print_args->print_dissections != print_dissections_none) */
2770 epan_dissect_cleanup(&edt);
2772 /* do we want to have a formfeed between each packet from now on? */
2773 if(args->print_args->print_formfeed) {
2774 args->print_formfeed = TRUE;
2780 epan_dissect_cleanup(&edt);
2785 cf_print_packets(capture_file *cf, print_args_t *print_args)
2788 print_callback_args_t callback_args;
2796 callback_args.print_args = print_args;
2797 callback_args.print_header_line = TRUE;
2798 callback_args.header_line_buf = NULL;
2799 callback_args.header_line_buf_len = 256;
2800 callback_args.print_formfeed = FALSE;
2801 callback_args.print_separator = FALSE;
2802 callback_args.line_buf = NULL;
2803 callback_args.line_buf_len = 256;
2804 callback_args.col_widths = NULL;
2806 if (!print_preamble(print_args->stream, cf->filename)) {
2807 destroy_print_stream(print_args->stream);
2808 return CF_PRINT_WRITE_ERROR;
2811 if (print_args->print_summary) {
2812 /* We're printing packet summaries. Allocate the header line buffer
2813 and get the column widths. */
2814 callback_args.header_line_buf = g_malloc(callback_args.header_line_buf_len + 1);
2816 /* Find the widths for each of the columns - maximum of the
2817 width of the title and the width of the data - and construct
2818 a buffer with a line containing the column titles. */
2819 callback_args.col_widths = (gint *) g_malloc(sizeof(gint) * cf->cinfo.num_cols);
2820 cp = &callback_args.header_line_buf[0];
2822 for (i = 0; i < cf->cinfo.num_cols; i++) {
2823 /* Don't pad the last column. */
2824 if (i == cf->cinfo.num_cols - 1)
2825 callback_args.col_widths[i] = 0;
2827 callback_args.col_widths[i] = (gint) strlen(cf->cinfo.col_title[i]);
2828 data_width = get_column_char_width(get_column_format(i));
2829 if (data_width > callback_args.col_widths[i])
2830 callback_args.col_widths[i] = data_width;
2833 /* Find the length of the string for this column. */
2834 column_len = (int) strlen(cf->cinfo.col_title[i]);
2835 if (callback_args.col_widths[i] > column_len)
2836 column_len = callback_args.col_widths[i];
2838 /* Make sure there's room in the line buffer for the column; if not,
2839 double its length. */
2840 line_len += column_len + 1; /* "+1" for space */
2841 if (line_len > callback_args.header_line_buf_len) {
2842 cp_off = (int) (cp - callback_args.header_line_buf);
2843 callback_args.header_line_buf_len = 2 * line_len;
2844 callback_args.header_line_buf = g_realloc(callback_args.header_line_buf,
2845 callback_args.header_line_buf_len + 1);
2846 cp = callback_args.header_line_buf + cp_off;
2849 /* Right-justify the packet number column. */
2850 /* if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2851 g_snprintf(cp, column_len+1, "%*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2853 g_snprintf(cp, column_len+1, "%-*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2855 if (i != cf->cinfo.num_cols - 1)
2860 /* Now start out the main line buffer with the same length as the
2861 header line buffer. */
2862 callback_args.line_buf_len = callback_args.header_line_buf_len;
2863 callback_args.line_buf = g_malloc(callback_args.line_buf_len + 1);
2864 } /* if (print_summary) */
2866 /* Iterate through the list of packets, printing the packets we were
2868 ret = process_specified_packets(cf, &print_args->range, "Printing",
2869 "selected packets", TRUE, print_packet,
2872 g_free(callback_args.header_line_buf);
2873 g_free(callback_args.line_buf);
2874 g_free(callback_args.col_widths);
2879 /* Completed successfully. */
2883 /* Well, the user decided to abort the printing.
2885 XXX - note that what got generated before they did that
2886 will get printed if we're piping to a print program; we'd
2887 have to write to a file and then hand that to the print
2888 program to make it actually not print anything. */
2892 /* Error while printing.
2894 XXX - note that what got generated before they did that
2895 will get printed if we're piping to a print program; we'd
2896 have to write to a file and then hand that to the print
2897 program to make it actually not print anything. */
2898 destroy_print_stream(print_args->stream);
2899 return CF_PRINT_WRITE_ERROR;
2902 if (!print_finale(print_args->stream)) {
2903 destroy_print_stream(print_args->stream);
2904 return CF_PRINT_WRITE_ERROR;
2907 if (!destroy_print_stream(print_args->stream))
2908 return CF_PRINT_WRITE_ERROR;
2914 write_pdml_packet(capture_file *cf _U_, frame_data *fdata,
2915 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2921 /* Create the protocol tree, but don't fill in the column information. */
2922 epan_dissect_init(&edt, TRUE, TRUE);
2923 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2925 /* Write out the information in that tree. */
2926 proto_tree_write_pdml(&edt, fh);
2928 epan_dissect_cleanup(&edt);
2934 cf_write_pdml_packets(capture_file *cf, print_args_t *print_args)
2939 fh = ws_fopen(print_args->file, "w");
2941 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2943 write_pdml_preamble(fh);
2946 return CF_PRINT_WRITE_ERROR;
2949 /* Iterate through the list of packets, printing the packets we were
2951 ret = process_specified_packets(cf, &print_args->range, "Writing PDML",
2952 "selected packets", TRUE,
2953 write_pdml_packet, fh);
2958 /* Completed successfully. */
2962 /* Well, the user decided to abort the printing. */
2966 /* Error while printing. */
2968 return CF_PRINT_WRITE_ERROR;
2971 write_pdml_finale(fh);
2974 return CF_PRINT_WRITE_ERROR;
2977 /* XXX - check for an error */
2984 write_psml_packet(capture_file *cf, frame_data *fdata,
2985 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2990 gboolean proto_tree_needed;
2992 /* Fill in the column information, only create the protocol tree
2993 if having custom columns. */
2994 proto_tree_needed = have_custom_cols(&cf->cinfo);
2995 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2996 col_custom_prime_edt(&edt, &cf->cinfo);
2997 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2998 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
3000 /* Write out the information in that tree. */
3001 proto_tree_write_psml(&edt, fh);
3003 epan_dissect_cleanup(&edt);
3009 cf_write_psml_packets(capture_file *cf, print_args_t *print_args)
3014 fh = ws_fopen(print_args->file, "w");
3016 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3018 write_psml_preamble(fh);
3021 return CF_PRINT_WRITE_ERROR;
3024 /* Iterate through the list of packets, printing the packets we were
3026 ret = process_specified_packets(cf, &print_args->range, "Writing PSML",
3027 "selected packets", TRUE,
3028 write_psml_packet, fh);
3033 /* Completed successfully. */
3037 /* Well, the user decided to abort the printing. */
3041 /* Error while printing. */
3043 return CF_PRINT_WRITE_ERROR;
3046 write_psml_finale(fh);
3049 return CF_PRINT_WRITE_ERROR;
3052 /* XXX - check for an error */
3059 write_csv_packet(capture_file *cf, frame_data *fdata,
3060 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
3065 gboolean proto_tree_needed;
3067 /* Fill in the column information, only create the protocol tree
3068 if having custom columns. */
3069 proto_tree_needed = have_custom_cols(&cf->cinfo);
3070 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
3071 col_custom_prime_edt(&edt, &cf->cinfo);
3072 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
3073 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
3075 /* Write out the information in that tree. */
3076 proto_tree_write_csv(&edt, fh);
3078 epan_dissect_cleanup(&edt);
3084 cf_write_csv_packets(capture_file *cf, print_args_t *print_args)
3089 fh = ws_fopen(print_args->file, "w");
3091 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3093 write_csv_preamble(fh);
3096 return CF_PRINT_WRITE_ERROR;
3099 /* Iterate through the list of packets, printing the packets we were
3101 ret = process_specified_packets(cf, &print_args->range, "Writing CSV",
3102 "selected packets", TRUE,
3103 write_csv_packet, fh);
3108 /* Completed successfully. */
3112 /* Well, the user decided to abort the printing. */
3116 /* Error while printing. */
3118 return CF_PRINT_WRITE_ERROR;
3121 write_csv_finale(fh);
3124 return CF_PRINT_WRITE_ERROR;
3127 /* XXX - check for an error */
3134 write_carrays_packet(capture_file *cf _U_, frame_data *fdata,
3135 union wtap_pseudo_header *pseudo_header _U_,
3136 const guint8 *pd, void *argsp)
3140 proto_tree_write_carrays(pd, fdata->cap_len, fdata->num, fh);
3145 cf_write_carrays_packets(capture_file *cf, print_args_t *print_args)
3150 fh = ws_fopen(print_args->file, "w");
3153 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3155 write_carrays_preamble(fh);
3159 return CF_PRINT_WRITE_ERROR;
3162 /* Iterate through the list of packets, printing the packets we were
3164 ret = process_specified_packets(cf, &print_args->range,
3166 "selected packets", TRUE,
3167 write_carrays_packet, fh);
3170 /* Completed successfully. */
3173 /* Well, the user decided to abort the printing. */
3176 /* Error while printing. */
3178 return CF_PRINT_WRITE_ERROR;
3181 write_carrays_finale(fh);
3185 return CF_PRINT_WRITE_ERROR;
3192 #ifndef NEW_PACKET_LIST /* This function is not needed with the new packet list */
3194 /* Scan through the packet list and change all columns that use the
3195 "command-line-specified" time stamp format to use the current
3196 value of that format. */
3198 cf_change_time_formats(capture_file *cf)
3202 progdlg_t *progbar = NULL;
3207 GTimeVal start_time;
3208 gchar status_str[100];
3209 int progbar_nextstep;
3210 int progbar_quantum;
3211 gboolean sorted_by_frame_column;
3213 /* Adjust timestamp precision if auto is selected */
3214 cf_timestamp_auto_precision(cf);
3216 /* Are there any columns with time stamps in the "command-line-specified"
3219 XXX - we have to force the "column is writable" flag on, as it
3220 might be off from the last frame that was dissected. */
3221 col_set_writable(&cf->cinfo, TRUE);
3222 if (!check_col(&cf->cinfo, COL_CLS_TIME) &&
3223 !check_col(&cf->cinfo, COL_ABS_TIME) &&
3224 !check_col(&cf->cinfo, COL_ABS_DATE_TIME) &&
3225 !check_col(&cf->cinfo, COL_REL_TIME) &&
3226 !check_col(&cf->cinfo, COL_DELTA_TIME) &&
3227 !check_col(&cf->cinfo, COL_DELTA_TIME_DIS)) {
3228 /* No, there aren't any columns in that format, so we have no work
3233 /* Freeze the packet list while we redo it, so we don't get any
3234 screen updates while it happens. */
3235 packet_list_freeze();
3237 /* Update the progress bar when it gets to this value. */
3238 progbar_nextstep = 0;
3239 /* When we reach the value that triggers a progress bar update,
3240 bump that value by this amount. */
3241 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3242 /* Count of packets at which we've looked. */
3244 /* Progress so far. */
3247 /* If the rows are currently sorted by the frame column then we know
3248 * the row number of each packet: it's the row number of the previously
3249 * displayed packet + 1.
3251 * Otherwise, if the display is sorted by a different column then we have
3252 * to use the O(N) packet_list_find_row_from_data() (thus making the job
3253 * of changing the time display format O(N**2)).
3255 * (XXX - In fact it's still O(N**2) because gtk_clist_set_text() takes
3256 * the row number and walks that many elements down the clist to find
3257 * the appropriate element.)
3259 sorted_by_frame_column = FALSE;
3260 for (i = 0; i < cf->cinfo.num_cols; i++) {
3261 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
3263 sorted_by_frame_column = (i == packet_list_get_sort_column());
3269 g_get_current_time(&start_time);
3271 /* Iterate through the list of packets, checking whether the packet
3272 is in a row of the summary list and, if so, whether there are
3273 any columns that show the time in the "command-line-specified"
3274 format and, if so, update that row. */
3275 for (fdata = cf->plist_start, row = -1; fdata != NULL; fdata = fdata->next) {
3276 /* Create the progress bar if necessary.
3277 We check on every iteration of the loop, so that it takes no
3278 longer than the standard time to create it (otherwise, for a
3279 large file, we might take considerably longer than that standard
3280 time in order to get to the next progress bar step). */
3281 if (progbar == NULL)
3282 progbar = delayed_create_progress_dlg("Changing", "time display",
3283 TRUE, &stop_flag, &start_time, progbar_val);
3285 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3286 when we update it, we have to run the GTK+ main loop to get it
3287 to repaint what's pending, and doing so may involve an "ioctl()"
3288 to see if there's any pending input from an X server, and doing
3289 that for every packet can be costly, especially on a big file. */
3290 if (count >= progbar_nextstep) {
3291 /* let's not divide by zero. I should never be started
3292 * with count == 0, so let's assert that
3294 g_assert(cf->count > 0);
3296 progbar_val = (gfloat) count / cf->count;
3298 if (progbar != NULL) {
3299 g_snprintf(status_str, sizeof(status_str),
3300 "%4u of %u packets", count, cf->count);
3301 update_progress_dlg(progbar, progbar_val, status_str);
3304 progbar_nextstep += progbar_quantum;
3308 /* Well, the user decided to abort the redisplay. Just stop.
3310 XXX - this leaves the time field in the old format in
3311 frames we haven't yet processed. So it goes; should we
3312 simply not offer them the option of stopping? */
3318 /* Find what row this packet is in. */
3319 if (!sorted_by_frame_column) {
3320 /* This function is O(N), so we try to avoid using it... */
3321 row = packet_list_find_row_from_data(fdata);
3323 /* ...which we do by maintaining a count of packets that are
3324 being displayed (i.e., that have passed the display filter),
3325 and using the current value of that count as the row number
3326 (which is why we can only do it when the display is sorted
3327 by the frame number). */
3328 if (fdata->flags.passed_dfilter)
3335 /* This packet is in the summary list, on row "row". */
3337 for (i = 0; i < cf->cinfo.num_cols; i++) {
3338 if (col_has_time_fmt(&cf->cinfo, i)) {
3339 /* This is one of the columns that shows the time in
3340 "command-line-specified" format; update it. */
3341 cf->cinfo.col_buf[i][0] = '\0';
3342 col_set_fmt_time(fdata, &cf->cinfo, cf->cinfo.col_fmt[i], i);
3343 packet_list_set_text(row, i, cf->cinfo.col_data[i]);
3349 /* We're done redisplaying the packets; destroy the progress bar if it
3351 if (progbar != NULL)
3352 destroy_progress_dlg(progbar);
3354 /* Set the column widths of those columns that show the time in
3355 "command-line-specified" format. */
3356 for (i = 0; i < cf->cinfo.num_cols; i++) {
3357 if (col_has_time_fmt(&cf->cinfo, i)) {
3358 packet_list_set_time_width(cf->cinfo.col_fmt[i], i);
3362 /* Unfreeze the packet list. */
3365 #endif /* NEW_PACKET_LIST */
3372 gboolean frame_matched;
3376 cf_find_packet_protocol_tree(capture_file *cf, const char *string)
3380 mdata.string = string;
3381 mdata.string_len = strlen(string);
3382 return find_packet(cf, match_protocol_tree, &mdata);
3386 match_protocol_tree(capture_file *cf, frame_data *fdata, void *criterion)
3388 match_data *mdata = criterion;
3391 /* Construct the protocol tree, including the displayed text */
3392 epan_dissect_init(&edt, TRUE, TRUE);
3393 /* We don't need the column information */
3394 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3396 /* Iterate through all the nodes, seeing if they have text that matches. */
3398 mdata->frame_matched = FALSE;
3399 proto_tree_children_foreach(edt.tree, match_subtree_text, mdata);
3400 epan_dissect_cleanup(&edt);
3401 return mdata->frame_matched;
3405 match_subtree_text(proto_node *node, gpointer data)
3407 match_data *mdata = (match_data*) data;
3408 const gchar *string = mdata->string;
3409 size_t string_len = mdata->string_len;
3410 capture_file *cf = mdata->cf;
3411 field_info *fi = PNODE_FINFO(node);
3412 gchar label_str[ITEM_LABEL_LENGTH];
3419 g_assert(fi && "dissection with an invisible proto tree?");
3421 if (mdata->frame_matched) {
3422 /* We already had a match; don't bother doing any more work. */
3426 /* Don't match invisible entries. */
3427 if (PROTO_ITEM_IS_HIDDEN(node))
3430 /* was a free format label produced? */
3432 label_ptr = fi->rep->representation;
3434 /* no, make a generic label */
3435 label_ptr = label_str;
3436 proto_item_fill_label(fi, label_str);
3439 /* Does that label match? */
3440 label_len = strlen(label_ptr);
3441 for (i = 0; i < label_len; i++) {
3442 c_char = label_ptr[i];
3444 c_char = toupper(c_char);
3445 if (c_char == string[c_match]) {
3447 if (c_match == string_len) {
3448 /* No need to look further; we have a match */
3449 mdata->frame_matched = TRUE;
3456 /* Recurse into the subtree, if it exists */
3457 if (node->first_child != NULL)
3458 proto_tree_children_foreach(node, match_subtree_text, mdata);
3462 cf_find_packet_summary_line(capture_file *cf, const char *string)
3466 mdata.string = string;
3467 mdata.string_len = strlen(string);
3468 return find_packet(cf, match_summary_line, &mdata);
3472 match_summary_line(capture_file *cf, frame_data *fdata, void *criterion)
3474 match_data *mdata = criterion;
3475 const gchar *string = mdata->string;
3476 size_t string_len = mdata->string_len;
3478 const char *info_column;
3479 size_t info_column_len;
3480 gboolean frame_matched = FALSE;
3486 /* Don't bother constructing the protocol tree */
3487 epan_dissect_init(&edt, FALSE, FALSE);
3488 /* Get the column information */
3489 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, &cf->cinfo);
3491 /* Find the Info column */
3492 for (colx = 0; colx < cf->cinfo.num_cols; colx++) {
3493 if (cf->cinfo.fmt_matx[colx][COL_INFO]) {
3494 /* Found it. See if we match. */
3495 info_column = edt.pi.cinfo->col_data[colx];
3496 info_column_len = strlen(info_column);
3497 for (i = 0; i < info_column_len; i++) {
3498 c_char = info_column[i];
3500 c_char = toupper(c_char);
3501 if (c_char == string[c_match]) {
3503 if (c_match == string_len) {
3504 frame_matched = TRUE;
3513 epan_dissect_cleanup(&edt);
3514 return frame_matched;
3520 } cbs_t; /* "Counted byte string" */
3523 cf_find_packet_data(capture_file *cf, const guint8 *string, size_t string_size)
3528 info.data_len = string_size;
3530 /* String or hex search? */
3532 /* String search - what type of string? */
3533 switch (cf->scs_type) {
3535 case SCS_ASCII_AND_UNICODE:
3536 return find_packet(cf, match_ascii_and_unicode, &info);
3539 return find_packet(cf, match_ascii, &info);
3542 return find_packet(cf, match_unicode, &info);
3545 g_assert_not_reached();
3549 return find_packet(cf, match_binary, &info);
3553 match_ascii_and_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3555 cbs_t *info = criterion;
3556 const guint8 *ascii_text = info->data;
3557 size_t textlen = info->data_len;
3558 gboolean frame_matched;
3564 frame_matched = FALSE;
3565 buf_len = fdata->pkt_len;
3566 for (i = 0; i < buf_len; i++) {
3569 c_char = toupper(c_char);
3571 if (c_char == ascii_text[c_match]) {
3573 if (c_match == textlen) {
3574 frame_matched = TRUE;
3575 cf->search_pos = i; /* Save the position of the last character
3576 for highlighting the field. */
3583 return frame_matched;
3587 match_ascii(capture_file *cf, frame_data *fdata, void *criterion)
3589 cbs_t *info = criterion;
3590 const guint8 *ascii_text = info->data;
3591 size_t textlen = info->data_len;
3592 gboolean frame_matched;
3598 frame_matched = FALSE;
3599 buf_len = fdata->pkt_len;
3600 for (i = 0; i < buf_len; i++) {
3603 c_char = toupper(c_char);
3604 if (c_char == ascii_text[c_match]) {
3606 if (c_match == textlen) {
3607 frame_matched = TRUE;
3608 cf->search_pos = i; /* Save the position of the last character
3609 for highlighting the field. */
3615 return frame_matched;
3619 match_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3621 cbs_t *info = criterion;
3622 const guint8 *ascii_text = info->data;
3623 size_t textlen = info->data_len;
3624 gboolean frame_matched;
3630 frame_matched = FALSE;
3631 buf_len = fdata->pkt_len;
3632 for (i = 0; i < buf_len; i++) {
3635 c_char = toupper(c_char);
3636 if (c_char == ascii_text[c_match]) {
3639 if (c_match == textlen) {
3640 frame_matched = TRUE;
3641 cf->search_pos = i; /* Save the position of the last character
3642 for highlighting the field. */
3648 return frame_matched;
3652 match_binary(capture_file *cf, frame_data *fdata, void *criterion)
3654 cbs_t *info = criterion;
3655 const guint8 *binary_data = info->data;
3656 size_t datalen = info->data_len;
3657 gboolean frame_matched;
3662 frame_matched = FALSE;
3663 buf_len = fdata->pkt_len;
3664 for (i = 0; i < buf_len; i++) {
3665 if (cf->pd[i] == binary_data[c_match]) {
3667 if (c_match == datalen) {
3668 frame_matched = TRUE;
3669 cf->search_pos = i; /* Save the position of the last character
3670 for highlighting the field. */
3676 return frame_matched;
3680 cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode)
3682 return find_packet(cf, match_dfilter, sfcode);
3686 match_dfilter(capture_file *cf, frame_data *fdata, void *criterion)
3688 dfilter_t *sfcode = criterion;
3690 gboolean frame_matched;
3692 epan_dissect_init(&edt, TRUE, FALSE);
3693 epan_dissect_prime_dfilter(&edt, sfcode);
3694 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3695 frame_matched = dfilter_apply_edt(sfcode, &edt);
3696 epan_dissect_cleanup(&edt);
3697 return frame_matched;
3701 find_packet(capture_file *cf,
3702 gboolean (*match_function)(capture_file *, frame_data *, void *),
3705 frame_data *start_fd;
3707 frame_data *new_fd = NULL;
3708 progdlg_t *progbar = NULL;
3715 GTimeVal start_time;
3716 gchar status_str[100];
3717 int progbar_nextstep;
3718 int progbar_quantum;
3721 start_fd = cf->current_frame;
3722 if (start_fd != NULL) {
3723 /* Iterate through the list of packets, starting at the packet we've
3724 picked, calling a routine to run the filter on the packet, see if
3725 it matches, and stop if so. */
3729 /* Update the progress bar when it gets to this value. */
3730 progbar_nextstep = 0;
3731 /* When we reach the value that triggers a progress bar update,
3732 bump that value by this amount. */
3733 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3734 /* Progress so far. */
3738 g_get_current_time(&start_time);
3741 title = cf->sfilter?cf->sfilter:"";
3743 /* Create the progress bar if necessary.
3744 We check on every iteration of the loop, so that it takes no
3745 longer than the standard time to create it (otherwise, for a
3746 large file, we might take considerably longer than that standard
3747 time in order to get to the next progress bar step). */
3748 if (progbar == NULL)
3749 progbar = delayed_create_progress_dlg("Searching", title,
3750 FALSE, &stop_flag, &start_time, progbar_val);
3752 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3753 when we update it, we have to run the GTK+ main loop to get it
3754 to repaint what's pending, and doing so may involve an "ioctl()"
3755 to see if there's any pending input from an X server, and doing
3756 that for every packet can be costly, especially on a big file. */
3757 if (count >= progbar_nextstep) {
3758 /* let's not divide by zero. I should never be started
3759 * with count == 0, so let's assert that
3761 g_assert(cf->count > 0);
3763 progbar_val = (gfloat) count / cf->count;
3765 if (progbar != NULL) {
3766 g_snprintf(status_str, sizeof(status_str),
3767 "%4u of %u packets", count, cf->count);
3768 update_progress_dlg(progbar, progbar_val, status_str);
3771 progbar_nextstep += progbar_quantum;
3775 /* Well, the user decided to abort the search. Go back to the
3776 frame where we started. */
3781 /* Go past the current frame. */
3782 if (cf->sbackward) {
3783 /* Go on to the previous frame. */
3784 fdata = fdata->prev;
3785 if (fdata == NULL) {
3787 * XXX - other apps have a bit more of a detailed message
3788 * for this, and instead of offering "OK" and "Cancel",
3789 * they offer things such as "Continue" and "Cancel";
3790 * we need an API for popping up alert boxes with
3791 * {Verb} and "Cancel".
3794 if (prefs.gui_find_wrap)
3796 simple_status("Search reached the beginning. Continuing at end.");
3797 fdata = cf->plist_end; /* wrap around */
3801 simple_status("Search reached the beginning.");
3802 fdata = start_fd; /* stay on previous packet */
3806 /* Go on to the next frame. */
3807 fdata = fdata->next;
3808 if (fdata == NULL) {
3809 if (prefs.gui_find_wrap)
3811 simple_status("Search reached the end. Continuing at beginning.");
3812 fdata = cf->plist_start; /* wrap around */
3816 simple_status("Search reached the end.");
3817 fdata = start_fd; /* stay on previous packet */
3824 /* Is this packet in the display? */
3825 if (fdata->flags.passed_dfilter) {
3826 /* Yes. Load its data. */
3827 if (!cf_read_frame(cf, fdata, &err, &err_info)) {
3828 /* Read error. Report the error, and go back to the frame
3829 where we started. */
3830 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
3831 cf_read_error_message(err, err_info), cf->filename);
3836 /* Does it match the search criterion? */
3837 if ((*match_function)(cf, fdata, criterion)) {
3839 break; /* found it! */
3843 if (fdata == start_fd) {
3844 /* We're back to the frame we were on originally, and that frame
3845 doesn't match the search filter. The search failed. */
3850 /* We're done scanning the packets; destroy the progress bar if it
3852 if (progbar != NULL)
3853 destroy_progress_dlg(progbar);
3856 if (new_fd != NULL) {
3857 #ifdef NEW_PACKET_LIST
3858 /* Find and select */
3859 row = new_packet_list_find_row_from_data(fdata, TRUE);
3861 /* We found a frame. Find what row it's in. */
3862 row = packet_list_find_row_from_data(new_fd);
3863 #endif /* NEW_PACKET_LIST */
3865 /* We didn't find a row even though we know that a frame
3866 * exists that satifies the search criteria. This means that the
3867 * frame isn't being displayed currently so we can't select it. */
3868 simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
3869 "%sEnd of capture exceeded!%s\n\n"
3870 "The capture file is probably not fully loaded.",
3871 simple_dialog_primary_start(), simple_dialog_primary_end());
3875 #ifndef NEW_PACKET_LIST
3876 /* Select that row, make it the focus row, and make it visible. */
3877 packet_list_set_selected_row(row);
3878 #endif /* NEW_PACKET_LIST */
3879 return TRUE; /* success */
3881 return FALSE; /* failure */
3885 cf_goto_frame(capture_file *cf, guint fnumber)
3890 for (fdata = cf->plist_start; fdata != NULL && fdata->num < fnumber; fdata = fdata->next)
3893 if (fdata == NULL) {
3894 /* we didn't find a packet with that packet number */
3895 simple_status("There is no packet number %u.", fnumber);
3896 return FALSE; /* we failed to go to that packet */
3898 if (!fdata->flags.passed_dfilter) {
3899 /* that packet currently isn't displayed */
3900 /* XXX - add it to the set of displayed packets? */
3901 simple_status("Packet number %u isn't displayed.", fnumber);
3902 return FALSE; /* we failed to go to that packet */
3905 #ifdef NEW_PACKET_LIST
3906 row = new_packet_list_find_row_from_data(fdata, TRUE);
3908 /* We found that packet, and it's currently being displayed.
3909 Find what row it's in. */
3910 row = packet_list_find_row_from_data(fdata);
3911 g_assert(row != -1);
3913 /* Select that row, make it the focus row, and make it visible. */
3914 packet_list_set_selected_row(row);
3915 #endif /* NEW_PACKET_LIST */
3916 return TRUE; /* we got to that packet */
3920 cf_goto_top_frame(capture_file *cf _U_)
3922 #ifdef NEW_PACKET_LIST
3923 /* Find and select */
3924 new_packet_list_select_first_row();
3928 frame_data *lowest_fdata = NULL;
3930 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3931 if (fdata->flags.passed_dfilter) {
3932 lowest_fdata = fdata;
3937 if (lowest_fdata == NULL) {
3941 /* We found that packet, and it's currently being displayed.
3942 Find what row it's in. */
3943 row = packet_list_find_row_from_data(lowest_fdata);
3944 g_assert(row != -1);
3946 /* Select that row, make it the focus row, and make it visible. */
3947 packet_list_set_selected_row(row);
3948 #endif /* NEW_PACKET_LIST */
3949 return TRUE; /* we got to that packet */
3953 cf_goto_bottom_frame(capture_file *cf _U_) /* cf is unused w/ NEW_PACKET_LIST */
3955 #ifdef NEW_PACKET_LIST
3956 /* Find and select */
3957 new_packet_list_select_last_row();
3961 frame_data *highest_fdata = NULL;
3963 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3964 if (fdata->flags.passed_dfilter) {
3965 highest_fdata = fdata;
3969 if (highest_fdata == NULL) {
3973 /* We found that packet, and it's currently being displayed.
3974 Find what row it's in. */
3975 row = packet_list_find_row_from_data(highest_fdata);
3976 g_assert(row != -1);
3978 /* Select that row, make it the focus row, and make it visible. */
3979 packet_list_set_selected_row(row);
3980 #endif /* NEW_PACKET_LIST */
3981 return TRUE; /* we got to that packet */
3985 * Go to frame specified by currently selected protocol tree item.
3988 cf_goto_framenum(capture_file *cf)
3990 header_field_info *hfinfo;
3993 if (cf->finfo_selected) {
3994 hfinfo = cf->finfo_selected->hfinfo;
3996 if (hfinfo->type == FT_FRAMENUM) {
3997 framenum = fvalue_get_uinteger(&cf->finfo_selected->value);
3999 return cf_goto_frame(cf, framenum);
4006 /* Select the packet on a given row. */
4008 cf_select_packet(capture_file *cf, int row)
4014 /* Get the frame data struct pointer for this frame */
4015 #ifdef NEW_PACKET_LIST
4016 fdata = new_packet_list_get_row_data(row);
4018 fdata = (frame_data *)packet_list_get_row_data(row);
4021 if (fdata == NULL) {
4022 /* XXX - if a GtkCList's selection mode is GTK_SELECTION_BROWSE, when
4023 the first entry is added to it by "real_insert_row()", that row
4024 is selected (see "real_insert_row()", in "gtk/gtkclist.c", in both
4025 our version and the vanilla GTK+ version).
4027 This means that a "select-row" signal is emitted; this causes
4028 "packet_list_select_cb()" to be called, which causes "cf_select_packet()"
4031 "cf_select_packet()" fetches, above, the data associated with the
4032 row that was selected; however, as "gtk_clist_append()", which
4033 called "real_insert_row()", hasn't yet returned, we haven't yet
4034 associated any data with that row, so we get back a null pointer.
4036 We can't assume that there's only one frame in the frame list,
4037 either, as we may be filtering the display.
4039 We therefore assume that, if "row" is 0, i.e. the first row
4040 is being selected, and "cf->first_displayed" equals
4041 "cf->last_displayed", i.e. there's only one frame being
4042 displayed, that frame is the frame we want.
4044 This means we have to set "cf->first_displayed" and
4045 "cf->last_displayed" before adding the row to the
4046 GtkCList; see the comment in "add_packet_to_packet_list()". */
4048 if (row == 0 && cf->first_displayed == cf->last_displayed)
4049 fdata = cf->first_displayed;
4052 /* If fdata _still_ isn't set simply give up. */
4053 if (fdata == NULL) {
4057 /* Get the data in that frame. */
4058 if (!cf_read_frame (cf, fdata, &err, &err_info)) {
4059 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4060 cf_read_error_message(err, err_info), cf->filename);
4064 /* Record that this frame is the current frame. */
4065 cf->current_frame = fdata;
4066 cf->current_row = row;
4068 /* Create the logical protocol tree. */
4069 if (cf->edt != NULL)
4070 epan_dissect_free(cf->edt);
4072 /* We don't need the columns here. */
4073 cf->edt = epan_dissect_new(TRUE, TRUE);
4075 tap_build_interesting(cf->edt);
4076 epan_dissect_run(cf->edt, &cf->pseudo_header, cf->pd, cf->current_frame,
4079 dfilter_macro_build_ftv_cache(cf->edt->tree);
4081 cf_callback_invoke(cf_cb_packet_selected, cf);
4084 /* Unselect the selected packet, if any. */
4086 cf_unselect_packet(capture_file *cf)
4088 /* Destroy the epan_dissect_t for the unselected packet. */
4089 if (cf->edt != NULL) {
4090 epan_dissect_free(cf->edt);
4094 /* No packet is selected. */
4095 cf->current_frame = NULL;
4096 cf->current_row = 0;
4098 cf_callback_invoke(cf_cb_packet_unselected, cf);
4100 /* No protocol tree means no selected field. */
4101 cf_unselect_field(cf);
4104 /* Unset the selected protocol tree field, if any. */
4106 cf_unselect_field(capture_file *cf)
4108 cf->finfo_selected = NULL;
4110 cf_callback_invoke(cf_cb_field_unselected, cf);
4114 * Mark a particular frame.
4117 cf_mark_frame(capture_file *cf, frame_data *frame)
4119 if (! frame->flags.marked) {
4120 frame->flags.marked = TRUE;
4121 if (cf->count > cf->marked_count)
4127 * Unmark a particular frame.
4130 cf_unmark_frame(capture_file *cf, frame_data *frame)
4132 if (frame->flags.marked) {
4133 frame->flags.marked = FALSE;
4134 if (cf->marked_count > 0)
4140 * Ignore a particular frame.
4143 cf_ignore_frame(capture_file *cf, frame_data *frame)
4145 if (! frame->flags.ignored) {
4146 frame->flags.ignored = TRUE;
4147 if (cf->count > cf->ignored_count)
4148 cf->ignored_count++;
4153 * Un-ignore a particular frame.
4156 cf_unignore_frame(capture_file *cf, frame_data *frame)
4158 if (frame->flags.ignored) {
4159 frame->flags.ignored = FALSE;
4160 if (cf->ignored_count > 0)
4161 cf->ignored_count--;
4168 } save_callback_args_t;
4171 * Save a capture to a file, in a particular format, saving either
4172 * all packets, all currently-displayed packets, or all marked packets.
4174 * Returns TRUE if it succeeds, FALSE otherwise; if it fails, it pops
4175 * up a message box for the failure.
4178 save_packet(capture_file *cf _U_, frame_data *fdata,
4179 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
4182 save_callback_args_t *args = argsp;
4183 struct wtap_pkthdr hdr;
4186 /* init the wtap header for saving */
4187 hdr.ts.secs = fdata->abs_ts.secs;
4188 hdr.ts.nsecs = fdata->abs_ts.nsecs;
4189 hdr.caplen = fdata->cap_len;
4190 hdr.len = fdata->pkt_len;
4191 hdr.pkt_encap = fdata->lnk_t;
4193 /* and save the packet */
4194 if (!wtap_dump(args->pdh, &hdr, pseudo_header, pd, &err)) {
4195 cf_write_failure_alert_box(args->fname, err);
4202 * Can this capture file be saved in any format except by copying the raw data?
4205 cf_can_save_as(capture_file *cf)
4209 for (ft = 0; ft < WTAP_NUM_FILE_TYPES; ft++) {
4210 /* To save a file with Wiretap, Wiretap has to handle that format,
4211 and its code to handle that format must be able to write a file
4212 with this file's encapsulation type. */
4213 if (wtap_dump_can_open(ft) && wtap_dump_can_write_encap(ft, cf->lnk_t)) {
4214 /* OK, we can write it out in this type. */
4219 /* No, we couldn't save it in any format. */
4224 cf_save(capture_file *cf, const char *fname, packet_range_t *range, guint save_format, gboolean compressed)
4226 gchar *from_filename;
4230 save_callback_args_t callback_args;
4232 cf_callback_invoke(cf_cb_file_save_started, (gpointer)fname);
4234 /* don't write over an existing file. */
4235 /* this should've been already checked by our caller, just to be sure... */
4236 if (file_exists(fname)) {
4237 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4238 "%sCapture file: \"%s\" already exists!%s\n\n"
4239 "Please choose a different filename.",
4240 simple_dialog_primary_start(), fname, simple_dialog_primary_end());
4244 packet_range_process_init(range);
4246 if (packet_range_process_all(range) && save_format == cf->cd_t) {
4247 /* We're not filtering packets, and we're saving it in the format
4248 it's already in, so we can just move or copy the raw data. */
4250 if (cf->is_tempfile) {
4251 /* The file being saved is a temporary file from a live
4252 capture, so it doesn't need to stay around under that name;
4253 first, try renaming the capture buffer file to the new name. */
4255 if (ws_rename(cf->filename, fname) == 0) {
4256 /* That succeeded - there's no need to copy the source file. */
4257 from_filename = NULL;
4260 if (errno == EXDEV) {
4261 /* They're on different file systems, so we have to copy the
4264 from_filename = cf->filename;
4266 /* The rename failed, but not because they're on different
4267 file systems - put up an error message. (Or should we
4268 just punt and try to copy? The only reason why I'd
4269 expect the rename to fail and the copy to succeed would
4270 be if we didn't have permission to remove the file from
4271 the temporary directory, and that might be fixable - but
4272 is it worth requiring the user to go off and fix it?) */
4273 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4274 file_rename_error_message(errno), fname);
4280 from_filename = cf->filename;
4283 /* It's a permanent file, so we should copy it, and not remove the
4286 from_filename = cf->filename;
4290 /* Copy the file, if we haven't moved it. */
4291 if (!copy_file_binary_mode(from_filename, fname))
4295 /* Either we're filtering packets, or we're saving in a different
4296 format; we can't do that by copying or moving the capture file,
4297 we have to do it by writing the packets out in Wiretap. */
4298 pdh = wtap_dump_open(fname, save_format, cf->lnk_t, cf->snap,
4301 cf_open_failure_alert_box(fname, err, NULL, TRUE, save_format);
4305 /* XXX - we let the user save a subset of the packets.
4307 If we do that, should we make that file the current file? If so,
4308 it means we can no longer get at the other packets. What does
4311 /* Iterate through the list of packets, processing the packets we were
4314 XXX - we've already called "packet_range_process_init(range)", but
4315 "process_specified_packets()" will do it again. Fortunately,
4316 that's harmless in this case, as we haven't done anything to
4317 "range" since we initialized it. */
4318 callback_args.pdh = pdh;
4319 callback_args.fname = fname;
4320 switch (process_specified_packets(cf, range, "Saving", "selected packets",
4321 TRUE, save_packet, &callback_args)) {
4324 /* Completed successfully. */
4328 /* The user decided to abort the saving.
4329 XXX - remove the output file? */
4333 /* Error while saving. */
4334 wtap_dump_close(pdh, &err);
4338 if (!wtap_dump_close(pdh, &err)) {
4339 cf_close_failure_alert_box(fname, err);
4344 cf_callback_invoke(cf_cb_file_save_finished, NULL);
4346 if (packet_range_process_all(range)) {
4347 /* We saved the entire capture, not just some packets from it.
4348 Open and read the file we saved it to.
4350 XXX - this is somewhat of a waste; we already have the
4351 packets, all this gets us is updated file type information
4352 (which we could just stuff into "cf"), and having the new
4353 file be the one we have opened and from which we're reading
4354 the data, and it means we have to spend time opening and
4355 reading the file, which could be a significant amount of
4356 time if the file is large. */
4357 cf->user_saved = TRUE;
4359 if ((cf_open(cf, fname, FALSE, &err)) == CF_OK) {
4360 /* XXX - report errors if this fails?
4361 What should we return if it fails or is aborted? */
4363 switch (cf_read(cf, TRUE)) {
4367 /* Just because we got an error, that doesn't mean we were unable
4368 to read any of the file; we handle what we could get from the
4372 case CF_READ_ABORTED:
4373 /* The user bailed out of re-reading the capture file; the
4374 capture file has been closed - just return (without
4375 changing any menu settings; "cf_close()" set them
4376 correctly for the "no capture file open" state). */
4379 cf_callback_invoke(cf_cb_file_save_reload_finished, cf);
4385 cf_callback_invoke(cf_cb_file_save_failed, NULL);
4390 cf_open_failure_alert_box(const char *filename, int err, gchar *err_info,
4391 gboolean for_writing, int file_type)
4394 /* Wiretap error. */
4397 case WTAP_ERR_NOT_REGULAR_FILE:
4398 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4399 "The file \"%s\" is a \"special file\" or socket or other non-regular file.",
4403 case WTAP_ERR_RANDOM_OPEN_PIPE:
4404 /* Seen only when opening a capture file for reading. */
4405 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4406 "The file \"%s\" is a pipe or FIFO; Wireshark can't read pipe or FIFO files.",
4410 case WTAP_ERR_FILE_UNKNOWN_FORMAT:
4411 /* Seen only when opening a capture file for reading. */
4412 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4413 "The file \"%s\" isn't a capture file in a format Wireshark understands.",
4417 case WTAP_ERR_UNSUPPORTED:
4418 /* Seen only when opening a capture file for reading. */
4419 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4420 "The file \"%s\" isn't a capture file in a format Wireshark understands.\n"
4422 filename, err_info);
4426 case WTAP_ERR_CANT_WRITE_TO_PIPE:
4427 /* Seen only when opening a capture file for writing. */
4428 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4429 "The file \"%s\" is a pipe, and %s capture files can't be "
4430 "written to a pipe.",
4431 filename, wtap_file_type_string(file_type));
4434 case WTAP_ERR_UNSUPPORTED_FILE_TYPE:
4435 /* Seen only when opening a capture file for writing. */
4436 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4437 "Wireshark doesn't support writing capture files in that format.");
4440 case WTAP_ERR_UNSUPPORTED_ENCAP:
4442 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4443 "Wireshark can't save this capture in that format.");
4445 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4446 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.\n"
4448 filename, err_info);
4453 case WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED:
4455 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4456 "Wireshark can't save this capture in that format.");
4458 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4459 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.",
4464 case WTAP_ERR_BAD_RECORD:
4465 /* Seen only when opening a capture file for reading. */
4466 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4467 "The file \"%s\" appears to be damaged or corrupt.\n"
4469 filename, err_info);
4473 case WTAP_ERR_CANT_OPEN:
4475 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4476 "The file \"%s\" could not be created for some unknown reason.",
4479 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4480 "The file \"%s\" could not be opened for some unknown reason.",
4485 case WTAP_ERR_SHORT_READ:
4486 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4487 "The file \"%s\" appears to have been cut short"
4488 " in the middle of a packet or other data.",
4492 case WTAP_ERR_SHORT_WRITE:
4493 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4494 "A full header couldn't be written to the file \"%s\".",
4498 case WTAP_ERR_COMPRESSION_NOT_SUPPORTED:
4499 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4500 "Gzip compression not supported by this file type.");
4504 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4505 "The file \"%s\" could not be %s: %s.",
4507 for_writing ? "created" : "opened",
4508 wtap_strerror(err));
4513 open_failure_alert_box(filename, err, for_writing);
4518 file_rename_error_message(int err)
4521 static char errmsg_errno[1024+1];
4526 errmsg = "The path to the file \"%s\" doesn't exist.";
4530 errmsg = "You don't have permission to move the capture file to \"%s\".";
4534 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4535 "The file \"%%s\" could not be moved: %s.",
4536 wtap_strerror(err));
4537 errmsg = errmsg_errno;
4544 cf_read_error_message(int err, gchar *err_info)
4546 static char errmsg_errno[1024+1];
4550 case WTAP_ERR_UNSUPPORTED_ENCAP:
4551 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4552 "The file \"%%s\" has a packet with a network type that Wireshark doesn't support.\n(%s)",
4557 case WTAP_ERR_BAD_RECORD:
4558 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4559 "An error occurred while reading from the file \"%%s\": %s.\n(%s)",
4560 wtap_strerror(err), err_info);
4565 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4566 "An error occurred while reading from the file \"%%s\": %s.",
4567 wtap_strerror(err));
4570 return errmsg_errno;
4574 cf_write_failure_alert_box(const char *filename, int err)
4577 /* Wiretap error. */
4578 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4579 "An error occurred while writing to the file \"%s\": %s.",
4580 filename, wtap_strerror(err));
4583 write_failure_alert_box(filename, err);
4587 /* Check for write errors - if the file is being written to an NFS server,
4588 a write error may not show up until the file is closed, as NFS clients
4589 might not send writes to the server until the "write()" call finishes,
4590 so that the write may fail on the server but the "write()" may succeed. */
4592 cf_close_failure_alert_box(const char *filename, int err)
4595 /* Wiretap error. */
4598 case WTAP_ERR_CANT_CLOSE:
4599 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4600 "The file \"%s\" couldn't be closed for some unknown reason.",
4604 case WTAP_ERR_SHORT_WRITE:
4605 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4606 "Not all the packets could be written to the file \"%s\".",
4611 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4612 "An error occurred while closing the file \"%s\": %s.",
4613 filename, wtap_strerror(err));
4618 We assume that a close error from the OS is really a write error. */
4619 write_failure_alert_box(filename, err);
4623 /* Reload the current capture file. */
4625 cf_reload(capture_file *cf) {
4627 gboolean is_tempfile;
4630 /* If the file could be opened, "cf_open()" calls "cf_close()"
4631 to get rid of state for the old capture file before filling in state
4632 for the new capture file. "cf_close()" will remove the file if
4633 it's a temporary file; we don't want that to happen (for one thing,
4634 it'd prevent subsequent reopens from working). Remember whether it's
4635 a temporary file, mark it as not being a temporary file, and then
4636 reopen it as the type of file it was.
4638 Also, "cf_close()" will free "cf->filename", so we must make
4639 a copy of it first. */
4640 filename = g_strdup(cf->filename);
4641 is_tempfile = cf->is_tempfile;
4642 cf->is_tempfile = FALSE;
4643 if (cf_open(cf, filename, is_tempfile, &err) == CF_OK) {
4644 switch (cf_read(cf, FALSE)) {
4648 /* Just because we got an error, that doesn't mean we were unable
4649 to read any of the file; we handle what we could get from the
4653 case CF_READ_ABORTED:
4654 /* The user bailed out of re-reading the capture file; the
4655 capture file has been closed - just free the capture file name
4656 string and return (without changing the last containing
4662 /* The open failed, so "cf->is_tempfile" wasn't set to "is_tempfile".
4663 Instead, the file was left open, so we should restore "cf->is_tempfile"
4666 XXX - change the menu? Presumably "cf_open()" will do that;
4667 make sure it does! */
4668 cf->is_tempfile = is_tempfile;
4670 /* "cf_open()" made a copy of the file name we handed it, so
4671 we should free up our copy. */
4681 * indent-tabs-mode: nil
4684 * ex: set shiftwidth=2 tabstop=8 expandtab
4685 * :indentSize=2:tabSize=8:noTabs=true: