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(fdata->flags.passed_dfilter || fdata->flags.ref_time)
1172 cf->displayed_count++;
1174 if (add_to_packet_list) {
1175 /* We fill the needed columns from new_packet_list */
1176 row = new_packet_list_append(cinfo, fdata, &edt.pi);
1179 if(fdata->flags.passed_dfilter || fdata->flags.ref_time)
1181 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1183 /* If we haven't yet seen the first frame, this is it.
1185 XXX - we must do this before we add the row to the display,
1186 as, if the display's GtkCList's selection mode is
1187 GTK_SELECTION_BROWSE, when the first entry is added to it,
1188 "cf_select_packet()" will be called, and it will fetch the row
1189 data for the 0th row, and will get a null pointer rather than
1190 "fdata", as "gtk_clist_append()" won't yet have returned and
1191 thus "gtk_clist_set_row_data()" won't yet have been called.
1193 We thus need to leave behind bread crumbs so that
1194 "cf_select_packet()" can find this frame. See the comment
1195 in "cf_select_packet()". */
1196 if (cf->first_displayed == NULL)
1197 cf->first_displayed = fdata;
1199 /* This is the last frame we've seen so far. */
1200 cf->last_displayed = fdata;
1203 epan_dissect_cleanup(&edt);
1210 add_packet_to_packet_list(frame_data *fdata, capture_file *cf,
1211 dfilter_t *dfcode, gboolean filtering_tap_listeners,
1213 union wtap_pseudo_header *pseudo_header, const guchar *buf,
1215 gboolean add_to_packet_list _U_)
1217 gboolean create_proto_tree = FALSE;
1224 /* just add some value here until we know if it is being displayed or not */
1225 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
1227 frame_data_set_before_dissect(fdata, &cf->elapsed_time,
1228 &first_ts, &prev_dis_ts, &prev_cap_ts);
1232 we have a display filter and are re-applying it;
1234 we have a list of color filters;
1236 we have tap listeners with filters;
1238 we have tap listeners that require a protocol tree;
1240 we have custom columns;
1242 allocate a protocol tree root node, so that we'll construct
1243 a protocol tree against which a filter expression can be
1245 if ((dfcode != NULL && refilter) ||
1246 color_filters_used() ||
1247 have_custom_cols(cinfo) ||
1248 filtering_tap_listeners || (tap_flags & TL_REQUIRES_PROTO_TREE))
1249 create_proto_tree = TRUE;
1251 /* Dissect the frame. */
1252 epan_dissect_init(&edt, create_proto_tree, FALSE);
1254 if (dfcode != NULL && refilter) {
1255 epan_dissect_prime_dfilter(&edt, dfcode);
1258 /* prepare color filters */
1259 color_filters_prime_edt(&edt);
1260 col_custom_prime_edt(&edt, cinfo);
1262 tap_queue_init(&edt);
1263 epan_dissect_run(&edt, pseudo_header, buf, fdata, cinfo);
1264 tap_push_tapped_queue(&edt);
1266 /* If we have a display filter, apply it if we're refiltering, otherwise
1267 leave the "passed_dfilter" flag alone.
1269 If we don't have a display filter, set "passed_dfilter" to 1. */
1270 if (dfcode != NULL) {
1272 fdata->flags.passed_dfilter = dfilter_apply_edt(dfcode, &edt) ? 1 : 0;
1275 fdata->flags.passed_dfilter = 1;
1277 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) )
1279 frame_data_set_after_dissect(fdata, &cum_bytes, &prev_dis_ts);
1281 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
1283 /* If we haven't yet seen the first frame, this is it.
1285 XXX - we must do this before we add the row to the display,
1286 as, if the display's GtkCList's selection mode is
1287 GTK_SELECTION_BROWSE, when the first entry is added to it,
1288 "cf_select_packet()" will be called, and it will fetch the row
1289 data for the 0th row, and will get a null pointer rather than
1290 "fdata", as "gtk_clist_append()" won't yet have returned and
1291 thus "gtk_clist_set_row_data()" won't yet have been called.
1293 We thus need to leave behind bread crumbs so that
1294 "cf_select_packet()" can find this frame. See the comment
1295 in "cf_select_packet()". */
1296 if (cf->first_displayed == NULL)
1297 cf->first_displayed = fdata;
1299 /* This is the last frame we've seen so far. */
1300 cf->last_displayed = fdata;
1302 row = packet_list_append(cinfo->col_data, fdata);
1304 /* colorize packet: first apply color filters
1305 * then if packet is marked, use preferences to overwrite color
1306 * we do both to make sure that when a packet gets un-marked, the
1307 * color will be correctly set (fixes bug 2038)
1309 fdata->color_filter = color_filters_colorize_packet(row, &edt);
1310 if (fdata->flags.marked) {
1311 packet_list_set_colors(row, &prefs.gui_marked_fg, &prefs.gui_marked_bg);
1313 if (fdata->flags.ignored) {
1314 packet_list_set_colors(row, &prefs.gui_ignored_fg, &prefs.gui_ignored_bg);
1317 cf->displayed_count++;
1320 epan_dissect_cleanup(&edt);
1325 /* read in a new packet */
1326 /* returns the row of the new packet in the packet list or -1 if not displayed */
1328 read_packet(capture_file *cf, dfilter_t *dfcode,
1329 gboolean filtering_tap_listeners, guint tap_flags, gint64 offset)
1331 const struct wtap_pkthdr *phdr = wtap_phdr(cf->wth);
1332 union wtap_pseudo_header *pseudo_header = wtap_pseudoheader(cf->wth);
1333 const guchar *buf = wtap_buf_ptr(cf->wth);
1340 /* Allocate the next list entry, and add it to the list.
1341 * memory chunks have been deprecated in favor of the slice allocator,
1342 * which has been added in 2.10
1344 #if GLIB_CHECK_VERSION(2,10,0)
1345 fdata = g_slice_new(frame_data);
1347 fdata = g_mem_chunk_alloc(cf->plist_chunk);
1350 frame_data_init(fdata, cf->count, phdr, offset, cum_bytes);
1352 #ifdef NEW_PACKET_LIST
1353 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1354 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1360 epan_dissect_init(&edt, TRUE, FALSE);
1361 epan_dissect_prime_dfilter(&edt, cf->rfcode);
1362 epan_dissect_run(&edt, pseudo_header, buf, fdata, NULL);
1363 passed = dfilter_apply_edt(cf->rfcode, &edt);
1364 epan_dissect_cleanup(&edt);
1368 cap_file_add_fdata(cf, fdata);
1370 cf->f_datalen = offset + fdata->cap_len;
1372 if (!cf->redissecting) {
1373 row = add_packet_to_packet_list(fdata, cf, dfcode,
1374 filtering_tap_listeners, tap_flags,
1375 pseudo_header, buf, TRUE, TRUE);
1378 /* We didn't pass read filter so roll back count */
1381 /* XXX - if we didn't have read filters, or if we could avoid
1382 allocating the "frame_data" structure until we knew whether
1383 the frame passed the read filter, we could use a G_ALLOC_ONLY
1386 ...but, at least in one test I did, where I just made the chunk
1387 a G_ALLOC_ONLY chunk and read in a huge capture file, it didn't
1388 seem to save a noticeable amount of time or space. */
1389 #if GLIB_CHECK_VERSION(2,10,0)
1390 /* memory chunks have been deprecated in favor of the slice allocator,
1391 * which has been added in 2.10
1393 g_slice_free(frame_data,fdata);
1395 g_mem_chunk_free(cf->plist_chunk, fdata);
1403 cf_merge_files(char **out_filenamep, int in_file_count,
1404 char *const *in_filenames, int file_type, gboolean do_append)
1406 merge_in_file_t *in_files;
1412 int open_err, read_err, write_err, close_err;
1416 char errmsg_errno[1024+1];
1418 gboolean got_read_error = FALSE, got_write_error = FALSE;
1420 progdlg_t *progbar = NULL;
1422 gint64 f_len, file_pos;
1424 GTimeVal start_time;
1425 gchar status_str[100];
1426 gint64 progbar_nextstep;
1427 gint64 progbar_quantum;
1429 /* open the input files */
1430 if (!merge_open_in_files(in_file_count, in_filenames, &in_files,
1431 &open_err, &err_info, &err_fileno)) {
1433 cf_open_failure_alert_box(in_filenames[err_fileno], open_err, err_info,
1438 if (*out_filenamep != NULL) {
1439 out_filename = *out_filenamep;
1440 out_fd = ws_open(out_filename, O_CREAT|O_TRUNC|O_BINARY, 0600);
1444 out_fd = create_tempfile(&tmpname, "wireshark");
1447 out_filename = g_strdup(tmpname);
1448 *out_filenamep = out_filename;
1452 merge_close_in_files(in_file_count, in_files);
1454 cf_open_failure_alert_box(out_filename, open_err, NULL, TRUE, file_type);
1458 pdh = wtap_dump_fdopen(out_fd, file_type,
1459 merge_select_frame_type(in_file_count, in_files),
1460 merge_max_snapshot_length(in_file_count, in_files),
1461 FALSE /* compressed */, &open_err);
1464 merge_close_in_files(in_file_count, in_files);
1466 cf_open_failure_alert_box(out_filename, open_err, err_info, TRUE,
1471 /* Get the sum of the sizes of all the files. */
1473 for (i = 0; i < in_file_count; i++)
1474 f_len += in_files[i].size;
1476 /* Update the progress bar when it gets to this value. */
1477 progbar_nextstep = 0;
1478 /* When we reach the value that triggers a progress bar update,
1479 bump that value by this amount. */
1480 progbar_quantum = f_len/N_PROGBAR_UPDATES;
1481 /* Progress so far. */
1485 g_get_current_time(&start_time);
1487 /* do the merge (or append) */
1490 wth = merge_append_read_packet(in_file_count, in_files, &read_err,
1493 wth = merge_read_packet(in_file_count, in_files, &read_err,
1497 got_read_error = TRUE;
1501 /* Get the sum of the data offsets in all of the files. */
1503 for (i = 0; i < in_file_count; i++)
1504 data_offset += in_files[i].data_offset;
1506 /* Create the progress bar if necessary.
1507 We check on every iteration of the loop, so that it takes no
1508 longer than the standard time to create it (otherwise, for a
1509 large file, we might take considerably longer than that standard
1510 time in order to get to the next progress bar step). */
1511 if (progbar == NULL) {
1512 progbar = delayed_create_progress_dlg("Merging", "files",
1513 FALSE, &stop_flag, &start_time, progbar_val);
1516 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1517 when we update it, we have to run the GTK+ main loop to get it
1518 to repaint what's pending, and doing so may involve an "ioctl()"
1519 to see if there's any pending input from an X server, and doing
1520 that for every packet can be costly, especially on a big file. */
1521 if (data_offset >= progbar_nextstep) {
1522 /* Get the sum of the seek positions in all of the files. */
1524 for (i = 0; i < in_file_count; i++)
1525 file_pos += wtap_read_so_far(in_files[i].wth, NULL);
1526 progbar_val = (gfloat) file_pos / (gfloat) f_len;
1527 if (progbar_val > 1.0f) {
1528 /* Some file probably grew while we were reading it.
1529 That "shouldn't happen", so we'll just clip the progress
1533 if (progbar != NULL) {
1534 g_snprintf(status_str, sizeof(status_str),
1535 "%" G_GINT64_MODIFIER "dKB of %" G_GINT64_MODIFIER "dKB",
1536 file_pos / 1024, f_len / 1024);
1537 update_progress_dlg(progbar, progbar_val, status_str);
1539 progbar_nextstep += progbar_quantum;
1543 /* Well, the user decided to abort the merge. */
1547 if (!wtap_dump(pdh, wtap_phdr(wth), wtap_pseudoheader(wth),
1548 wtap_buf_ptr(wth), &write_err)) {
1549 got_write_error = TRUE;
1554 /* We're done merging the files; destroy the progress bar if it was created. */
1555 if (progbar != NULL)
1556 destroy_progress_dlg(progbar);
1558 merge_close_in_files(in_file_count, in_files);
1559 if (!got_read_error && !got_write_error) {
1560 if (!wtap_dump_close(pdh, &write_err))
1561 got_write_error = TRUE;
1563 wtap_dump_close(pdh, &close_err);
1565 if (got_read_error) {
1567 * Find the file on which we got the error, and report the error.
1569 for (i = 0; i < in_file_count; i++) {
1570 if (in_files[i].state == GOT_ERROR) {
1571 /* Put up a message box noting that a read failed somewhere along
1575 case WTAP_ERR_UNSUPPORTED_ENCAP:
1576 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1577 "The capture file %%s has a packet with a network type that Wireshark doesn't support.\n(%s)",
1580 errmsg = errmsg_errno;
1583 case WTAP_ERR_CANT_READ:
1584 errmsg = "An attempt to read from the capture file %s failed for"
1585 " some unknown reason.";
1588 case WTAP_ERR_SHORT_READ:
1589 errmsg = "The capture file %s appears to have been cut short"
1590 " in the middle of a packet.";
1593 case WTAP_ERR_BAD_RECORD:
1594 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1595 "The capture file %%s appears to be damaged or corrupt.\n(%s)",
1598 errmsg = errmsg_errno;
1602 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
1603 "An error occurred while reading the"
1604 " capture file %%s: %s.", wtap_strerror(read_err));
1605 errmsg = errmsg_errno;
1608 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, errmsg, in_files[i].filename);
1613 if (got_write_error) {
1614 /* Put up an alert box for the write error. */
1615 cf_write_failure_alert_box(out_filename, write_err);
1618 if (got_read_error || got_write_error || stop_flag) {
1619 /* Callers aren't expected to treat an error or an explicit abort
1620 differently - we put up error dialogs ourselves, so they don't
1628 cf_filter_packets(capture_file *cf, gchar *dftext, gboolean force)
1630 const char *filter_new = dftext ? dftext : "";
1631 const char *filter_old = cf->dfilter ? cf->dfilter : "";
1633 GTimeVal start_time;
1635 /* if new filter equals old one, do nothing unless told to do so */
1636 if (!force && strcmp(filter_new, filter_old) == 0) {
1642 if (dftext == NULL) {
1643 /* The new filter is an empty filter (i.e., display all packets).
1644 * so leave dfcode==NULL
1648 * We have a filter; make a copy of it (as we'll be saving it),
1649 * and try to compile it.
1651 dftext = g_strdup(dftext);
1652 if (!dfilter_compile(dftext, &dfcode)) {
1653 /* The attempt failed; report an error. */
1654 gchar *safe_dftext = simple_dialog_format_message(dftext);
1655 gchar *safe_dfilter_error_msg = simple_dialog_format_message(
1657 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1660 "The following display filter isn't a valid display filter:\n%s\n"
1661 "See the help for a description of the display filter syntax.",
1662 simple_dialog_primary_start(), safe_dfilter_error_msg,
1663 simple_dialog_primary_end(), safe_dftext);
1664 g_free(safe_dfilter_error_msg);
1665 g_free(safe_dftext);
1671 if (dfcode == NULL) {
1672 /* Yes - free the filter text, and set it to null. */
1678 /* We have a valid filter. Replace the current filter. */
1679 g_free(cf->dfilter);
1680 cf->dfilter = dftext;
1681 g_get_current_time(&start_time);
1684 /* Now rescan the packet list, applying the new filter, but not
1685 throwing away information constructed on a previous pass. */
1686 if (dftext == NULL) {
1687 rescan_packets(cf, "Resetting", "Filter", TRUE, FALSE);
1689 rescan_packets(cf, "Filtering", dftext, TRUE, FALSE);
1692 /* Cleanup and release all dfilter resources */
1693 dfilter_free(dfcode);
1699 cf_colorize_packets(capture_file *cf)
1701 rescan_packets(cf, "Colorizing", "all packets", FALSE, FALSE);
1705 cf_reftime_packets(capture_file *cf)
1708 #ifdef NEW_PACKET_LIST
1709 ref_time_packets(cf);
1711 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1716 cf_redissect_packets(capture_file *cf)
1718 rescan_packets(cf, "Reprocessing", "all packets", TRUE, TRUE);
1722 cf_read_frame_r(capture_file *cf, frame_data *fdata,
1723 union wtap_pseudo_header *pseudo_header, guint8 *pd,
1724 int *err, gchar **err_info)
1726 return wtap_seek_read(cf->wth, fdata->file_off, pseudo_header,
1727 pd, fdata->cap_len, err, err_info);
1731 cf_read_frame(capture_file *cf, frame_data *fdata, int *err, gchar **err_info)
1733 return cf_read_frame_r(cf, fdata, &cf->pseudo_header, cf->pd, err, err_info);
1736 /* Rescan the list of packets, reconstructing the CList.
1738 "action" describes why we're doing this; it's used in the progress
1741 "action_item" describes what we're doing; it's used in the progress
1744 "refilter" is TRUE if we need to re-evaluate the filter expression.
1746 "redissect" is TRUE if we need to make the dissectors reconstruct
1747 any state information they have (because a preference that affects
1748 some dissector has changed, meaning some dissector might construct
1749 its state differently from the way it was constructed the last time). */
1750 #ifdef NEW_PACKET_LIST
1752 rescan_packets(capture_file *cf, const char *action, const char *action_item,
1753 gboolean refilter, gboolean redissect)
1755 /* Rescan packets new packet list */
1757 progdlg_t *progbar = NULL;
1762 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
1763 int selected_frame_num, preceding_frame_num, following_frame_num, prev_frame_num;
1764 gboolean selected_frame_seen;
1767 GTimeVal start_time;
1768 gchar status_str[100];
1769 int progbar_nextstep;
1770 int progbar_quantum;
1772 gboolean filtering_tap_listeners;
1774 gboolean add_to_packet_list = FALSE;
1777 /* Compile the current display filter.
1778 * We assume this will not fail since cf->dfilter is only set in
1779 * cf_filter IFF the filter was valid.
1781 compiled = dfilter_compile(cf->dfilter, &dfcode);
1782 g_assert(!cf->dfilter || (compiled && dfcode));
1784 /* Do we have any tap listeners with filters? */
1785 filtering_tap_listeners = have_filtering_tap_listeners();
1787 /* Get the union of the flags for all tap listeners. */
1788 tap_flags = union_of_tap_listener_flags();
1790 reset_tap_listeners();
1791 /* Which frame, if any, is the currently selected frame?
1792 XXX - should the selected frame or the focus frame be the "current"
1793 frame, that frame being the one from which "Find Frame" searches
1795 selected_frame = cf->current_frame;
1797 /* Mark frane num as not found */
1798 selected_frame_num = -1;
1800 /* Freeze the packet list while we redo it, so we don't get any
1801 screen updates while it happens. */
1802 new_packet_list_freeze();
1805 /* We need to re-initialize all the state information that protocols
1806 keep, because some preference that controls a dissector has changed,
1807 which might cause the state information to be constructed differently
1808 by that dissector. */
1810 /* We might receive new packets while redissecting, and we don't
1811 want to dissect those before their time. */
1812 cf->redissecting = TRUE;
1814 /* Cleanup all data structures used for dissection. */
1815 cleanup_dissection();
1816 /* Initialize all data structures used for dissection. */
1819 /* We need to redissect the packets so we have to discard our old
1820 * packet list store. */
1821 new_packet_list_clear();
1822 add_to_packet_list = TRUE;
1825 /* We don't yet know which will be the first and last frames displayed. */
1826 cf->first_displayed = NULL;
1827 cf->last_displayed = NULL;
1829 /* We currently don't display any packets */
1830 cf->displayed_count = 0;
1832 /* Iterate through the list of frames. Call a routine for each frame
1833 to check whether it should be displayed and, if so, add it to
1834 the display list. */
1835 nstime_set_unset(&first_ts);
1836 nstime_set_unset(&prev_dis_ts);
1837 nstime_set_unset(&prev_cap_ts);
1840 /* Update the progress bar when it gets to this value. */
1841 progbar_nextstep = 0;
1842 /* When we reach the value that triggers a progress bar update,
1843 bump that value by this amount. */
1844 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
1845 /* Count of packets at which we've looked. */
1847 /* Progress so far. */
1851 g_get_current_time(&start_time);
1853 /* no previous row yet */
1855 prev_frame_num = -1;
1858 preceding_frame_num = -1;
1859 preceding_frame = NULL;
1860 following_frame_num = -1;
1861 following_frame = NULL;
1863 selected_frame_seen = FALSE;
1865 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
1866 /* Create the progress bar if necessary.
1867 We check on every iteration of the loop, so that it takes no
1868 longer than the standard time to create it (otherwise, for a
1869 large file, we might take considerably longer than that standard
1870 time in order to get to the next progress bar step). */
1871 if (progbar == NULL)
1872 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
1873 &stop_flag, &start_time,
1876 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
1877 when we update it, we have to run the GTK+ main loop to get it
1878 to repaint what's pending, and doing so may involve an "ioctl()"
1879 to see if there's any pending input from an X server, and doing
1880 that for every packet can be costly, especially on a big file. */
1881 if (count >= progbar_nextstep) {
1882 /* let's not divide by zero. I should never be started
1883 * with count == 0, so let's assert that
1885 g_assert(cf->count > 0);
1886 progbar_val = (gfloat) count / cf->count;
1888 if (progbar != NULL) {
1889 g_snprintf(status_str, sizeof(status_str),
1890 "%4u of %u frames", count, cf->count);
1891 update_progress_dlg(progbar, progbar_val, status_str);
1894 progbar_nextstep += progbar_quantum;
1898 /* Well, the user decided to abort the filtering. Just stop.
1900 XXX - go back to the previous filter? Users probably just
1901 want not to wait for a filtering operation to finish;
1902 unless we cancel by having no filter, reverting to the
1903 previous filter will probably be even more expensive than
1904 continuing the filtering, as it involves going back to the
1905 beginning and filtering, and even with no filter we currently
1906 have to re-generate the entire clist, which is also expensive.
1908 I'm not sure what Network Monitor does, but it doesn't appear
1909 to give you an unfiltered display if you cancel. */
1916 /* Since all state for the frame was destroyed, mark the frame
1917 * as not visited, free the GSList referring to the state
1918 * data (the per-frame data itself was freed by
1919 * "init_dissection()"), and null out the GSList pointer. */
1920 fdata->flags.visited = 0;
1921 frame_data_cleanup(fdata);
1923 /* cleanup_dissection() calls se_free_all();
1924 * And after that fdata->col_text (which is allocated using se_alloc0())
1925 * no longer points to valid memory.
1927 fdata->col_text_len = se_alloc0(sizeof(fdata->col_text_len) * (cf->cinfo.num_cols));
1928 fdata->col_text = se_alloc0(sizeof(fdata->col_text) * (cf->cinfo.num_cols));
1931 if (!cf_read_frame (cf, fdata, &err, &err_info)) {
1932 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
1933 cf_read_error_message(err, err_info), cf->filename);
1937 /* If the previous frame is displayed, and we haven't yet seen the
1938 selected frame, remember that frame - it's the closest one we've
1939 yet seen before the selected frame. */
1940 if (prev_frame_num != -1 && !selected_frame_seen && prev_frame->flags.passed_dfilter) {
1941 preceding_frame_num = prev_frame_num;
1942 preceding_frame = prev_frame;
1944 add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
1945 tap_flags, &cf->pseudo_header, cf->pd,
1947 add_to_packet_list);
1949 /* If this frame is displayed, and this is the first frame we've
1950 seen displayed after the selected frame, remember this frame -
1951 it's the closest one we've yet seen at or after the selected
1953 if (fdata->flags.passed_dfilter && selected_frame_seen && following_frame_num == -1) {
1954 following_frame_num = fdata->num;
1955 following_frame = fdata;
1957 if (fdata == selected_frame) {
1958 selected_frame_seen = TRUE;
1959 if (fdata->flags.passed_dfilter)
1960 selected_frame_num = fdata->num;
1963 /* Remember this frame - it'll be the previous frame
1964 on the next pass through the loop. */
1965 prev_frame_num = fdata->num;
1969 /* We are done redissecting the packet list. */
1970 cf->redissecting = FALSE;
1973 /* Clear out what remains of the visited flags and per-frame data
1976 XXX - that may cause various forms of bogosity when dissecting
1977 these frames, as they won't have been seen by this sequential
1978 pass, but the only alternative I see is to keep scanning them
1979 even though the user requested that the scan stop, and that
1980 would leave the user stuck with an Wireshark grinding on
1981 until it finishes. Should we just stick them with that? */
1982 for (; fdata != NULL; fdata = fdata->next) {
1983 fdata->flags.visited = 0;
1984 frame_data_cleanup(fdata);
1988 /* We're done filtering the packets; destroy the progress bar if it
1990 if (progbar != NULL)
1991 destroy_progress_dlg(progbar);
1993 /* Unfreeze the packet list. */
1994 if (!add_to_packet_list)
1995 new_packet_list_recreate_visible_rows();
1997 /* Compute the time it took to filter the file */
1998 compute_elapsed(&start_time);
2000 new_packet_list_thaw();
2002 if (selected_frame_num == -1) {
2003 /* The selected frame didn't pass the filter. */
2004 if (selected_frame == NULL) {
2005 /* That's because there *was* no selected frame. Make the first
2006 displayed frame the current frame. */
2007 selected_frame_num = 0;
2009 /* Find the nearest displayed frame to the selected frame (whether
2010 it's before or after that frame) and make that the current frame.
2011 If the next and previous displayed frames are equidistant from the
2012 selected frame, choose the next one. */
2013 g_assert(following_frame == NULL ||
2014 following_frame->num >= selected_frame->num);
2015 g_assert(preceding_frame == NULL ||
2016 preceding_frame->num <= selected_frame->num);
2017 if (following_frame == NULL) {
2018 /* No frame after the selected frame passed the filter, so we
2019 have to select the last displayed frame before the selected
2021 selected_frame_num = preceding_frame_num;
2022 selected_frame = preceding_frame;
2023 } else if (preceding_frame == NULL) {
2024 /* No frame before the selected frame passed the filter, so we
2025 have to select the first displayed frame after the selected
2027 selected_frame_num = following_frame_num;
2028 selected_frame = following_frame;
2030 /* Frames before and after the selected frame passed the filter, so
2031 we'll select the previous frame */
2032 selected_frame_num = preceding_frame_num;
2033 selected_frame = preceding_frame;
2038 if (selected_frame_num == -1) {
2039 /* There are no frames displayed at all. */
2040 cf_unselect_packet(cf);
2042 /* Either the frame that was selected passed the filter, or we've
2043 found the nearest displayed frame to that frame. Select it, make
2044 it the focus row, and make it visible. */
2045 /* Set to invalid to force update of packet list and packet details */
2046 cf->current_row = -1;
2047 if (selected_frame_num == 0) {
2048 new_packet_list_select_first_row();
2050 new_packet_list_find_row_from_data(selected_frame, TRUE);
2054 /* Cleanup and release all dfilter resources */
2055 dfilter_free(dfcode);
2061 rescan_packets(capture_file *cf, const char *action, const char *action_item,
2062 gboolean refilter, gboolean redissect)
2065 progdlg_t *progbar = NULL;
2070 frame_data *selected_frame, *preceding_frame, *following_frame, *prev_frame;
2071 int selected_row, prev_row, preceding_row, following_row;
2072 gboolean selected_frame_seen;
2075 GTimeVal start_time;
2076 gchar status_str[100];
2077 int progbar_nextstep;
2078 int progbar_quantum;
2080 gboolean filtering_tap_listeners;
2082 gboolean add_to_packet_list = TRUE;
2085 /* Compile the current display filter.
2086 * We assume this will not fail since cf->dfilter is only set in
2087 * cf_filter IFF the filter was valid.
2089 compiled = dfilter_compile(cf->dfilter, &dfcode);
2090 g_assert(!cf->dfilter || (compiled && dfcode));
2092 /* Do we have any tap listeners with filters? */
2093 filtering_tap_listeners = have_filtering_tap_listeners();
2095 /* Get the union of the flags for all tap listeners. */
2096 tap_flags = union_of_tap_listener_flags();
2098 reset_tap_listeners();
2099 /* Which frame, if any, is the currently selected frame?
2100 XXX - should the selected frame or the focus frame be the "current"
2101 frame, that frame being the one from which "Find Frame" searches
2103 selected_frame = cf->current_frame;
2105 /* We don't yet know what row that frame will be on, if any, after we
2106 rebuild the clist, however. */
2109 /* Freeze the packet list while we redo it, so we don't get any
2110 screen updates while it happens. */
2111 packet_list_freeze();
2114 packet_list_clear();
2117 /* We need to re-initialize all the state information that protocols
2118 keep, because some preference that controls a dissector has changed,
2119 which might cause the state information to be constructed differently
2120 by that dissector. */
2122 /* We might receive new packets while redissecting, and we don't
2123 want to dissect those before their time. */
2124 cf->redissecting = TRUE;
2126 /* Cleanup all data structures used for dissection. */
2127 cleanup_dissection();
2128 /* Initialize all data structures used for dissection. */
2133 /* We don't yet know which will be the first and last frames displayed. */
2134 cf->first_displayed = NULL;
2135 cf->last_displayed = NULL;
2139 /* We currently don't display any packets */
2140 cf->displayed_count = 0;
2142 /* Iterate through the list of frames. Call a routine for each frame
2143 to check whether it should be displayed and, if so, add it to
2144 the display list. */
2145 nstime_set_unset(&first_ts);
2146 nstime_set_unset(&prev_dis_ts);
2147 nstime_set_unset(&prev_cap_ts);
2150 /* Update the progress bar when it gets to this value. */
2151 progbar_nextstep = 0;
2152 /* When we reach the value that triggers a progress bar update,
2153 bump that value by this amount. */
2154 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2155 /* Count of packets at which we've looked. */
2157 /* Progress so far. */
2161 g_get_current_time(&start_time);
2163 row = -1; /* no previous row yet */
2168 preceding_frame = NULL;
2170 following_frame = NULL;
2172 selected_frame_seen = FALSE;
2174 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2175 /* Create the progress bar if necessary.
2176 We check on every iteration of the loop, so that it takes no
2177 longer than the standard time to create it (otherwise, for a
2178 large file, we might take considerably longer than that standard
2179 time in order to get to the next progress bar step). */
2180 if (progbar == NULL)
2181 progbar = delayed_create_progress_dlg(action, action_item, TRUE,
2182 &stop_flag, &start_time,
2185 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2186 when we update it, we have to run the GTK+ main loop to get it
2187 to repaint what's pending, and doing so may involve an "ioctl()"
2188 to see if there's any pending input from an X server, and doing
2189 that for every packet can be costly, especially on a big file. */
2190 if (count >= progbar_nextstep) {
2191 /* let's not divide by zero. I should never be started
2192 * with count == 0, so let's assert that
2194 g_assert(cf->count > 0);
2195 progbar_val = (gfloat) count / cf->count;
2197 if (progbar != NULL) {
2198 g_snprintf(status_str, sizeof(status_str),
2199 "%4u of %u frames", count, cf->count);
2200 update_progress_dlg(progbar, progbar_val, status_str);
2203 progbar_nextstep += progbar_quantum;
2207 /* Well, the user decided to abort the filtering. Just stop.
2209 XXX - go back to the previous filter? Users probably just
2210 want not to wait for a filtering operation to finish;
2211 unless we cancel by having no filter, reverting to the
2212 previous filter will probably be even more expensive than
2213 continuing the filtering, as it involves going back to the
2214 beginning and filtering, and even with no filter we currently
2215 have to re-generate the entire clist, which is also expensive.
2217 I'm not sure what Network Monitor does, but it doesn't appear
2218 to give you an unfiltered display if you cancel. */
2225 /* Since all state for the frame was destroyed, mark the frame
2226 * as not visited, free the GSList referring to the state
2227 * data (the per-frame data itself was freed by
2228 * "init_dissection()"), and null out the GSList pointer.
2230 fdata->flags.visited = 0;
2231 frame_data_cleanup(fdata);
2234 if (!cf_read_frame (cf, fdata, &err, &err_info)) {
2235 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2236 cf_read_error_message(err, err_info), cf->filename);
2240 /* If the previous frame is displayed, and we haven't yet seen the
2241 selected frame, remember that frame - it's the closest one we've
2242 yet seen before the selected frame. */
2243 if (prev_row != -1 && !selected_frame_seen) {
2244 preceding_row = prev_row;
2245 preceding_frame = prev_frame;
2247 row = add_packet_to_packet_list(fdata, cf, dfcode, filtering_tap_listeners,
2248 tap_flags, &cf->pseudo_header, cf->pd,
2250 add_to_packet_list);
2252 /* If this frame is displayed, and this is the first frame we've
2253 seen displayed after the selected frame, remember this frame -
2254 it's the closest one we've yet seen at or after the selected
2256 if (row != -1 && selected_frame_seen && following_row == -1) {
2257 following_row = row;
2258 following_frame = fdata;
2260 if (fdata == selected_frame) {
2262 selected_frame_seen = TRUE;
2265 /* Remember this row/frame - it'll be the previous row/frame
2266 on the next pass through the loop. */
2271 /* We are done redissecting the packet list. */
2272 cf->redissecting = FALSE;
2275 /* Clear out what remains of the visited flags and per-frame data
2278 XXX - that may cause various forms of bogosity when dissecting
2279 these frames, as they won't have been seen by this sequential
2280 pass, but the only alternative I see is to keep scanning them
2281 even though the user requested that the scan stop, and that
2282 would leave the user stuck with an Wireshark grinding on
2283 until it finishes. Should we just stick them with that? */
2284 for (; fdata != NULL; fdata = fdata->next) {
2285 fdata->flags.visited = 0;
2286 frame_data_cleanup(fdata);
2290 /* We're done filtering the packets; destroy the progress bar if it
2292 if (progbar != NULL)
2293 destroy_progress_dlg(progbar);
2295 /* Unfreeze the packet list. */
2298 if (selected_row == -1) {
2299 /* The selected frame didn't pass the filter. */
2300 if (selected_frame == NULL) {
2301 /* That's because there *was* no selected frame. Make the first
2302 displayed frame the current frame. */
2305 /* Find the nearest displayed frame to the selected frame (whether
2306 it's before or after that frame) and make that the current frame.
2307 If the next and previous displayed frames are equidistant from the
2308 selected frame, choose the next one. */
2309 g_assert(following_frame == NULL ||
2310 following_frame->num >= selected_frame->num);
2311 g_assert(preceding_frame == NULL ||
2312 preceding_frame->num <= selected_frame->num);
2313 if (following_frame == NULL) {
2314 /* No frame after the selected frame passed the filter, so we
2315 have to select the last displayed frame before the selected
2317 selected_row = preceding_row;
2318 } else if (preceding_frame == NULL) {
2319 /* No frame before the selected frame passed the filter, so we
2320 have to select the first displayed frame after the selected
2322 selected_row = following_row;
2324 /* Frames before and after the selected frame passed the filter, so
2325 we'll select the previous frame */
2326 selected_row = preceding_row;
2331 if (selected_row == -1) {
2332 /* There are no frames displayed at all. */
2333 cf_unselect_packet(cf);
2335 /* Either the frame that was selected passed the filter, or we've
2336 found the nearest displayed frame to that frame. Select it, make
2337 it the focus row, and make it visible. */
2338 if (selected_row == 0) {
2339 /* Set to invalid to force update of packet list and packet details */
2340 cf->current_row = -1;
2342 packet_list_set_selected_row(selected_row);
2345 /* Cleanup and release all dfilter resources */
2346 dfilter_free(dfcode);
2348 #endif /* NEW_PACKET_LIST */
2351 * Scan trough all frame data and recalculate the ref time
2352 * without rereading the file.
2353 * XXX - do we need a progres bar or is this fast enough?
2355 #ifdef NEW_PACKET_LIST
2357 ref_time_packets(capture_file *cf)
2361 nstime_set_unset(&first_ts);
2362 nstime_set_unset(&prev_dis_ts);
2365 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2366 /* just add some value here until we know if it is being displayed or not */
2367 fdata->cum_bytes = cum_bytes + fdata->pkt_len;
2373 /* If we don't have the time stamp of the first packet in the
2374 capture, it's because this is the first packet. Save the time
2375 stamp of this packet as the time stamp of the first packet. */
2376 if (nstime_is_unset(&first_ts)) {
2377 first_ts = fdata->abs_ts;
2379 /* if this frames is marked as a reference time frame, reset
2380 firstsec and firstusec to this frame */
2381 if(fdata->flags.ref_time){
2382 first_ts = fdata->abs_ts;
2385 /* If we don't have the time stamp of the previous displayed packet,
2386 it's because this is the first displayed packet. Save the time
2387 stamp of this packet as the time stamp of the previous displayed
2389 if (nstime_is_unset(&prev_dis_ts)) {
2390 prev_dis_ts = fdata->abs_ts;
2393 /* Get the time elapsed between the first packet and this packet. */
2394 nstime_delta(&fdata->rel_ts, &fdata->abs_ts, &first_ts);
2396 /* If it's greater than the current elapsed time, set the elapsed time
2397 to it (we check for "greater than" so as not to be confused by
2398 time moving backwards). */
2399 if ((gint32)cf->elapsed_time.secs < fdata->rel_ts.secs
2400 || ((gint32)cf->elapsed_time.secs == fdata->rel_ts.secs && (gint32)cf->elapsed_time.nsecs < fdata->rel_ts.nsecs)) {
2401 cf->elapsed_time = fdata->rel_ts;
2404 /* Get the time elapsed between the previous displayed packet and
2406 nstime_delta(&fdata->del_dis_ts, &fdata->abs_ts, &prev_dis_ts);
2408 prev_dis_ts = fdata->abs_ts;
2413 if( (fdata->flags.passed_dfilter) || (fdata->flags.ref_time) ){
2414 /* This frame either passed the display filter list or is marked as
2415 a time reference frame. All time reference frames are displayed
2416 even if they dont pass the display filter */
2417 if(fdata->flags.ref_time){
2418 /* if this was a TIME REF frame we should reset the cum_bytes field */
2419 cum_bytes = fdata->pkt_len;
2420 fdata->cum_bytes = cum_bytes;
2422 /* increase cum_bytes with this packets length */
2423 cum_bytes += fdata->pkt_len;
2437 process_specified_packets(capture_file *cf, packet_range_t *range,
2438 const char *string1, const char *string2, gboolean terminate_is_stop,
2439 gboolean (*callback)(capture_file *, frame_data *,
2440 union wtap_pseudo_header *, const guint8 *, void *),
2441 void *callback_args)
2446 union wtap_pseudo_header pseudo_header;
2447 guint8 pd[WTAP_MAX_PACKET_SIZE+1];
2448 psp_return_t ret = PSP_FINISHED;
2450 progdlg_t *progbar = NULL;
2453 gboolean progbar_stop_flag;
2454 GTimeVal progbar_start_time;
2455 gchar progbar_status_str[100];
2456 int progbar_nextstep;
2457 int progbar_quantum;
2458 range_process_e process_this;
2460 /* Update the progress bar when it gets to this value. */
2461 progbar_nextstep = 0;
2462 /* When we reach the value that triggers a progress bar update,
2463 bump that value by this amount. */
2464 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
2465 /* Count of packets at which we've looked. */
2467 /* Progress so far. */
2470 progbar_stop_flag = FALSE;
2471 g_get_current_time(&progbar_start_time);
2473 packet_range_process_init(range);
2475 /* Iterate through the list of packets, printing the packets that
2476 were selected by the current display filter. */
2477 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
2478 /* Create the progress bar if necessary.
2479 We check on every iteration of the loop, so that it takes no
2480 longer than the standard time to create it (otherwise, for a
2481 large file, we might take considerably longer than that standard
2482 time in order to get to the next progress bar step). */
2483 if (progbar == NULL)
2484 progbar = delayed_create_progress_dlg(string1, string2,
2487 &progbar_start_time,
2490 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
2491 when we update it, we have to run the GTK+ main loop to get it
2492 to repaint what's pending, and doing so may involve an "ioctl()"
2493 to see if there's any pending input from an X server, and doing
2494 that for every packet can be costly, especially on a big file. */
2495 if (progbar_count >= progbar_nextstep) {
2496 /* let's not divide by zero. I should never be started
2497 * with count == 0, so let's assert that
2499 g_assert(cf->count > 0);
2500 progbar_val = (gfloat) progbar_count / cf->count;
2502 if (progbar != NULL) {
2503 g_snprintf(progbar_status_str, sizeof(progbar_status_str),
2504 "%4u of %u packets", progbar_count, cf->count);
2505 update_progress_dlg(progbar, progbar_val, progbar_status_str);
2508 progbar_nextstep += progbar_quantum;
2511 if (progbar_stop_flag) {
2512 /* Well, the user decided to abort the operation. Just stop,
2513 and arrange to return PSP_STOPPED to our caller, so they know
2514 it was stopped explicitly. */
2521 /* do we have to process this packet? */
2522 process_this = packet_range_process_packet(range, fdata);
2523 if (process_this == range_process_next) {
2524 /* this packet uninteresting, continue with next one */
2526 } else if (process_this == range_processing_finished) {
2527 /* all interesting packets processed, stop the loop */
2531 /* Get the packet */
2532 if (!cf_read_frame_r(cf, fdata, &pseudo_header, pd, &err, &err_info)) {
2533 /* Attempt to get the packet failed. */
2534 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
2535 cf_read_error_message(err, err_info), cf->filename);
2539 /* Process the packet */
2540 if (!callback(cf, fdata, &pseudo_header, pd, callback_args)) {
2541 /* Callback failed. We assume it reported the error appropriately. */
2547 /* We're done printing the packets; destroy the progress bar if
2549 if (progbar != NULL)
2550 destroy_progress_dlg(progbar);
2556 gboolean construct_protocol_tree;
2558 } retap_callback_args_t;
2561 retap_packet(capture_file *cf _U_, frame_data *fdata,
2562 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2565 retap_callback_args_t *args = argsp;
2568 epan_dissect_init(&edt, args->construct_protocol_tree, FALSE);
2569 tap_queue_init(&edt);
2570 epan_dissect_run(&edt, pseudo_header, pd, fdata, args->cinfo);
2571 tap_push_tapped_queue(&edt);
2572 epan_dissect_cleanup(&edt);
2578 cf_retap_packets(capture_file *cf)
2580 packet_range_t range;
2581 retap_callback_args_t callback_args;
2582 gboolean filtering_tap_listeners;
2585 /* Do we have any tap listeners with filters? */
2586 filtering_tap_listeners = have_filtering_tap_listeners();
2588 tap_flags = union_of_tap_listener_flags();
2590 /* If any tap listeners have filters, or require the protocol tree,
2591 construct the protocol tree. */
2592 callback_args.construct_protocol_tree = filtering_tap_listeners ||
2593 (tap_flags & TL_REQUIRES_PROTO_TREE);
2595 /* If any tap listeners require the columns, construct them. */
2596 callback_args.cinfo = (tap_flags & TL_REQUIRES_COLUMNS) ? &cf->cinfo : NULL;
2598 /* Reset the tap listeners. */
2599 reset_tap_listeners();
2601 /* Iterate through the list of packets, dissecting all packets and
2602 re-running the taps. */
2603 packet_range_init(&range);
2604 packet_range_process_init(&range);
2605 switch (process_specified_packets(cf, &range, "Recalculating statistics on",
2606 "all packets", TRUE, retap_packet,
2609 /* Completed successfully. */
2613 /* Well, the user decided to abort the refiltering.
2614 Return CF_READ_ABORTED so our caller knows they did that. */
2615 return CF_READ_ABORTED;
2618 /* Error while retapping. */
2619 return CF_READ_ERROR;
2622 g_assert_not_reached();
2627 print_args_t *print_args;
2628 gboolean print_header_line;
2629 char *header_line_buf;
2630 int header_line_buf_len;
2631 gboolean print_formfeed;
2632 gboolean print_separator;
2636 } print_callback_args_t;
2639 print_packet(capture_file *cf, frame_data *fdata,
2640 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2643 print_callback_args_t *args = argsp;
2650 gboolean proto_tree_needed;
2651 char bookmark_name[9+10+1]; /* "__frameNNNNNNNNNN__\0" */
2652 char bookmark_title[6+10+1]; /* "Frame NNNNNNNNNN__\0" */
2654 /* Create the protocol tree, and make it visible, if we're printing
2655 the dissection or the hex data.
2656 XXX - do we need it if we're just printing the hex data? */
2658 args->print_args->print_dissections != print_dissections_none || args->print_args->print_hex || have_custom_cols(&cf->cinfo);
2659 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2661 /* Fill in the column information if we're printing the summary
2663 if (args->print_args->print_summary) {
2664 col_custom_prime_edt(&edt, &cf->cinfo);
2665 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2666 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
2668 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2670 if (args->print_formfeed) {
2671 if (!new_page(args->print_args->stream))
2674 if (args->print_separator) {
2675 if (!print_line(args->print_args->stream, 0, ""))
2681 * We generate bookmarks, if the output format supports them.
2682 * The name is "__frameN__".
2684 g_snprintf(bookmark_name, sizeof bookmark_name, "__frame%u__", fdata->num);
2686 if (args->print_args->print_summary) {
2687 if (args->print_header_line) {
2688 if (!print_line(args->print_args->stream, 0, args->header_line_buf))
2690 args->print_header_line = FALSE; /* we might not need to print any more */
2692 cp = &args->line_buf[0];
2694 for (i = 0; i < cf->cinfo.num_cols; i++) {
2695 /* Find the length of the string for this column. */
2696 column_len = (int) strlen(cf->cinfo.col_data[i]);
2697 if (args->col_widths[i] > column_len)
2698 column_len = args->col_widths[i];
2700 /* Make sure there's room in the line buffer for the column; if not,
2701 double its length. */
2702 line_len += column_len + 1; /* "+1" for space */
2703 if (line_len > args->line_buf_len) {
2704 cp_off = (int) (cp - args->line_buf);
2705 args->line_buf_len = 2 * line_len;
2706 args->line_buf = g_realloc(args->line_buf, args->line_buf_len + 1);
2707 cp = args->line_buf + cp_off;
2710 /* Right-justify the packet number column. */
2711 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2712 g_snprintf(cp, column_len+1, "%*s", args->col_widths[i], cf->cinfo.col_data[i]);
2714 g_snprintf(cp, column_len+1, "%-*s", args->col_widths[i], cf->cinfo.col_data[i]);
2716 if (i != cf->cinfo.num_cols - 1)
2722 * Generate a bookmark, using the summary line as the title.
2724 if (!print_bookmark(args->print_args->stream, bookmark_name,
2728 if (!print_line(args->print_args->stream, 0, args->line_buf))
2732 * Generate a bookmark, using "Frame N" as the title, as we're not
2733 * printing the summary line.
2735 g_snprintf(bookmark_title, sizeof bookmark_title, "Frame %u", fdata->num);
2736 if (!print_bookmark(args->print_args->stream, bookmark_name,
2739 } /* if (print_summary) */
2741 if (args->print_args->print_dissections != print_dissections_none) {
2742 if (args->print_args->print_summary) {
2743 /* Separate the summary line from the tree with a blank line. */
2744 if (!print_line(args->print_args->stream, 0, ""))
2748 /* Print the information in that tree. */
2749 if (!proto_tree_print(args->print_args, &edt, args->print_args->stream))
2752 /* Print a blank line if we print anything after this (aka more than one packet). */
2753 args->print_separator = TRUE;
2755 /* Print a header line if we print any more packet summaries */
2756 args->print_header_line = TRUE;
2759 if (args->print_args->print_hex) {
2760 /* Print the full packet data as hex. */
2761 if (!print_hex_data(args->print_args->stream, &edt))
2764 /* Print a blank line if we print anything after this (aka more than one packet). */
2765 args->print_separator = TRUE;
2767 /* Print a header line if we print any more packet summaries */
2768 args->print_header_line = TRUE;
2769 } /* if (args->print_args->print_dissections != print_dissections_none) */
2771 epan_dissect_cleanup(&edt);
2773 /* do we want to have a formfeed between each packet from now on? */
2774 if(args->print_args->print_formfeed) {
2775 args->print_formfeed = TRUE;
2781 epan_dissect_cleanup(&edt);
2786 cf_print_packets(capture_file *cf, print_args_t *print_args)
2789 print_callback_args_t callback_args;
2797 callback_args.print_args = print_args;
2798 callback_args.print_header_line = TRUE;
2799 callback_args.header_line_buf = NULL;
2800 callback_args.header_line_buf_len = 256;
2801 callback_args.print_formfeed = FALSE;
2802 callback_args.print_separator = FALSE;
2803 callback_args.line_buf = NULL;
2804 callback_args.line_buf_len = 256;
2805 callback_args.col_widths = NULL;
2807 if (!print_preamble(print_args->stream, cf->filename)) {
2808 destroy_print_stream(print_args->stream);
2809 return CF_PRINT_WRITE_ERROR;
2812 if (print_args->print_summary) {
2813 /* We're printing packet summaries. Allocate the header line buffer
2814 and get the column widths. */
2815 callback_args.header_line_buf = g_malloc(callback_args.header_line_buf_len + 1);
2817 /* Find the widths for each of the columns - maximum of the
2818 width of the title and the width of the data - and construct
2819 a buffer with a line containing the column titles. */
2820 callback_args.col_widths = (gint *) g_malloc(sizeof(gint) * cf->cinfo.num_cols);
2821 cp = &callback_args.header_line_buf[0];
2823 for (i = 0; i < cf->cinfo.num_cols; i++) {
2824 /* Don't pad the last column. */
2825 if (i == cf->cinfo.num_cols - 1)
2826 callback_args.col_widths[i] = 0;
2828 callback_args.col_widths[i] = (gint) strlen(cf->cinfo.col_title[i]);
2829 data_width = get_column_char_width(get_column_format(i));
2830 if (data_width > callback_args.col_widths[i])
2831 callback_args.col_widths[i] = data_width;
2834 /* Find the length of the string for this column. */
2835 column_len = (int) strlen(cf->cinfo.col_title[i]);
2836 if (callback_args.col_widths[i] > column_len)
2837 column_len = callback_args.col_widths[i];
2839 /* Make sure there's room in the line buffer for the column; if not,
2840 double its length. */
2841 line_len += column_len + 1; /* "+1" for space */
2842 if (line_len > callback_args.header_line_buf_len) {
2843 cp_off = (int) (cp - callback_args.header_line_buf);
2844 callback_args.header_line_buf_len = 2 * line_len;
2845 callback_args.header_line_buf = g_realloc(callback_args.header_line_buf,
2846 callback_args.header_line_buf_len + 1);
2847 cp = callback_args.header_line_buf + cp_off;
2850 /* Right-justify the packet number column. */
2851 /* if (cf->cinfo.col_fmt[i] == COL_NUMBER)
2852 g_snprintf(cp, column_len+1, "%*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2854 g_snprintf(cp, column_len+1, "%-*s", callback_args.col_widths[i], cf->cinfo.col_title[i]);
2856 if (i != cf->cinfo.num_cols - 1)
2861 /* Now start out the main line buffer with the same length as the
2862 header line buffer. */
2863 callback_args.line_buf_len = callback_args.header_line_buf_len;
2864 callback_args.line_buf = g_malloc(callback_args.line_buf_len + 1);
2865 } /* if (print_summary) */
2867 /* Iterate through the list of packets, printing the packets we were
2869 ret = process_specified_packets(cf, &print_args->range, "Printing",
2870 "selected packets", TRUE, print_packet,
2873 g_free(callback_args.header_line_buf);
2874 g_free(callback_args.line_buf);
2875 g_free(callback_args.col_widths);
2880 /* Completed successfully. */
2884 /* Well, the user decided to abort the printing.
2886 XXX - note that what got generated before they did that
2887 will get printed if we're piping to a print program; we'd
2888 have to write to a file and then hand that to the print
2889 program to make it actually not print anything. */
2893 /* Error while printing.
2895 XXX - note that what got generated before they did that
2896 will get printed if we're piping to a print program; we'd
2897 have to write to a file and then hand that to the print
2898 program to make it actually not print anything. */
2899 destroy_print_stream(print_args->stream);
2900 return CF_PRINT_WRITE_ERROR;
2903 if (!print_finale(print_args->stream)) {
2904 destroy_print_stream(print_args->stream);
2905 return CF_PRINT_WRITE_ERROR;
2908 if (!destroy_print_stream(print_args->stream))
2909 return CF_PRINT_WRITE_ERROR;
2915 write_pdml_packet(capture_file *cf _U_, frame_data *fdata,
2916 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2922 /* Create the protocol tree, but don't fill in the column information. */
2923 epan_dissect_init(&edt, TRUE, TRUE);
2924 epan_dissect_run(&edt, pseudo_header, pd, fdata, NULL);
2926 /* Write out the information in that tree. */
2927 proto_tree_write_pdml(&edt, fh);
2929 epan_dissect_cleanup(&edt);
2935 cf_write_pdml_packets(capture_file *cf, print_args_t *print_args)
2940 fh = ws_fopen(print_args->file, "w");
2942 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
2944 write_pdml_preamble(fh);
2947 return CF_PRINT_WRITE_ERROR;
2950 /* Iterate through the list of packets, printing the packets we were
2952 ret = process_specified_packets(cf, &print_args->range, "Writing PDML",
2953 "selected packets", TRUE,
2954 write_pdml_packet, fh);
2959 /* Completed successfully. */
2963 /* Well, the user decided to abort the printing. */
2967 /* Error while printing. */
2969 return CF_PRINT_WRITE_ERROR;
2972 write_pdml_finale(fh);
2975 return CF_PRINT_WRITE_ERROR;
2978 /* XXX - check for an error */
2985 write_psml_packet(capture_file *cf, frame_data *fdata,
2986 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
2991 gboolean proto_tree_needed;
2993 /* Fill in the column information, only create the protocol tree
2994 if having custom columns. */
2995 proto_tree_needed = have_custom_cols(&cf->cinfo);
2996 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
2997 col_custom_prime_edt(&edt, &cf->cinfo);
2998 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
2999 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
3001 /* Write out the information in that tree. */
3002 proto_tree_write_psml(&edt, fh);
3004 epan_dissect_cleanup(&edt);
3010 cf_write_psml_packets(capture_file *cf, print_args_t *print_args)
3015 fh = ws_fopen(print_args->file, "w");
3017 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3019 write_psml_preamble(fh);
3022 return CF_PRINT_WRITE_ERROR;
3025 /* Iterate through the list of packets, printing the packets we were
3027 ret = process_specified_packets(cf, &print_args->range, "Writing PSML",
3028 "selected packets", TRUE,
3029 write_psml_packet, fh);
3034 /* Completed successfully. */
3038 /* Well, the user decided to abort the printing. */
3042 /* Error while printing. */
3044 return CF_PRINT_WRITE_ERROR;
3047 write_psml_finale(fh);
3050 return CF_PRINT_WRITE_ERROR;
3053 /* XXX - check for an error */
3060 write_csv_packet(capture_file *cf, frame_data *fdata,
3061 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
3066 gboolean proto_tree_needed;
3068 /* Fill in the column information, only create the protocol tree
3069 if having custom columns. */
3070 proto_tree_needed = have_custom_cols(&cf->cinfo);
3071 epan_dissect_init(&edt, proto_tree_needed, proto_tree_needed);
3072 col_custom_prime_edt(&edt, &cf->cinfo);
3073 epan_dissect_run(&edt, pseudo_header, pd, fdata, &cf->cinfo);
3074 epan_dissect_fill_in_columns(&edt, FALSE, TRUE);
3076 /* Write out the information in that tree. */
3077 proto_tree_write_csv(&edt, fh);
3079 epan_dissect_cleanup(&edt);
3085 cf_write_csv_packets(capture_file *cf, print_args_t *print_args)
3090 fh = ws_fopen(print_args->file, "w");
3092 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3094 write_csv_preamble(fh);
3097 return CF_PRINT_WRITE_ERROR;
3100 /* Iterate through the list of packets, printing the packets we were
3102 ret = process_specified_packets(cf, &print_args->range, "Writing CSV",
3103 "selected packets", TRUE,
3104 write_csv_packet, fh);
3109 /* Completed successfully. */
3113 /* Well, the user decided to abort the printing. */
3117 /* Error while printing. */
3119 return CF_PRINT_WRITE_ERROR;
3122 write_csv_finale(fh);
3125 return CF_PRINT_WRITE_ERROR;
3128 /* XXX - check for an error */
3135 write_carrays_packet(capture_file *cf _U_, frame_data *fdata,
3136 union wtap_pseudo_header *pseudo_header _U_,
3137 const guint8 *pd, void *argsp)
3141 proto_tree_write_carrays(pd, fdata->cap_len, fdata->num, fh);
3146 cf_write_carrays_packets(capture_file *cf, print_args_t *print_args)
3151 fh = ws_fopen(print_args->file, "w");
3154 return CF_PRINT_OPEN_ERROR; /* attempt to open destination failed */
3156 write_carrays_preamble(fh);
3160 return CF_PRINT_WRITE_ERROR;
3163 /* Iterate through the list of packets, printing the packets we were
3165 ret = process_specified_packets(cf, &print_args->range,
3167 "selected packets", TRUE,
3168 write_carrays_packet, fh);
3171 /* Completed successfully. */
3174 /* Well, the user decided to abort the printing. */
3177 /* Error while printing. */
3179 return CF_PRINT_WRITE_ERROR;
3182 write_carrays_finale(fh);
3186 return CF_PRINT_WRITE_ERROR;
3193 #ifndef NEW_PACKET_LIST /* This function is not needed with the new packet list */
3195 /* Scan through the packet list and change all columns that use the
3196 "command-line-specified" time stamp format to use the current
3197 value of that format. */
3199 cf_change_time_formats(capture_file *cf)
3203 progdlg_t *progbar = NULL;
3208 GTimeVal start_time;
3209 gchar status_str[100];
3210 int progbar_nextstep;
3211 int progbar_quantum;
3212 gboolean sorted_by_frame_column;
3214 /* Adjust timestamp precision if auto is selected */
3215 cf_timestamp_auto_precision(cf);
3217 /* Are there any columns with time stamps in the "command-line-specified"
3220 XXX - we have to force the "column is writable" flag on, as it
3221 might be off from the last frame that was dissected. */
3222 col_set_writable(&cf->cinfo, TRUE);
3223 if (!check_col(&cf->cinfo, COL_CLS_TIME) &&
3224 !check_col(&cf->cinfo, COL_ABS_TIME) &&
3225 !check_col(&cf->cinfo, COL_ABS_DATE_TIME) &&
3226 !check_col(&cf->cinfo, COL_REL_TIME) &&
3227 !check_col(&cf->cinfo, COL_DELTA_TIME) &&
3228 !check_col(&cf->cinfo, COL_DELTA_TIME_DIS)) {
3229 /* No, there aren't any columns in that format, so we have no work
3234 /* Freeze the packet list while we redo it, so we don't get any
3235 screen updates while it happens. */
3236 packet_list_freeze();
3238 /* Update the progress bar when it gets to this value. */
3239 progbar_nextstep = 0;
3240 /* When we reach the value that triggers a progress bar update,
3241 bump that value by this amount. */
3242 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3243 /* Count of packets at which we've looked. */
3245 /* Progress so far. */
3248 /* If the rows are currently sorted by the frame column then we know
3249 * the row number of each packet: it's the row number of the previously
3250 * displayed packet + 1.
3252 * Otherwise, if the display is sorted by a different column then we have
3253 * to use the O(N) packet_list_find_row_from_data() (thus making the job
3254 * of changing the time display format O(N**2)).
3256 * (XXX - In fact it's still O(N**2) because gtk_clist_set_text() takes
3257 * the row number and walks that many elements down the clist to find
3258 * the appropriate element.)
3260 sorted_by_frame_column = FALSE;
3261 for (i = 0; i < cf->cinfo.num_cols; i++) {
3262 if (cf->cinfo.col_fmt[i] == COL_NUMBER)
3264 sorted_by_frame_column = (i == packet_list_get_sort_column());
3270 g_get_current_time(&start_time);
3272 /* Iterate through the list of packets, checking whether the packet
3273 is in a row of the summary list and, if so, whether there are
3274 any columns that show the time in the "command-line-specified"
3275 format and, if so, update that row. */
3276 for (fdata = cf->plist_start, row = -1; fdata != NULL; fdata = fdata->next) {
3277 /* Create the progress bar if necessary.
3278 We check on every iteration of the loop, so that it takes no
3279 longer than the standard time to create it (otherwise, for a
3280 large file, we might take considerably longer than that standard
3281 time in order to get to the next progress bar step). */
3282 if (progbar == NULL)
3283 progbar = delayed_create_progress_dlg("Changing", "time display",
3284 TRUE, &stop_flag, &start_time, progbar_val);
3286 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3287 when we update it, we have to run the GTK+ main loop to get it
3288 to repaint what's pending, and doing so may involve an "ioctl()"
3289 to see if there's any pending input from an X server, and doing
3290 that for every packet can be costly, especially on a big file. */
3291 if (count >= progbar_nextstep) {
3292 /* let's not divide by zero. I should never be started
3293 * with count == 0, so let's assert that
3295 g_assert(cf->count > 0);
3297 progbar_val = (gfloat) count / cf->count;
3299 if (progbar != NULL) {
3300 g_snprintf(status_str, sizeof(status_str),
3301 "%4u of %u packets", count, cf->count);
3302 update_progress_dlg(progbar, progbar_val, status_str);
3305 progbar_nextstep += progbar_quantum;
3309 /* Well, the user decided to abort the redisplay. Just stop.
3311 XXX - this leaves the time field in the old format in
3312 frames we haven't yet processed. So it goes; should we
3313 simply not offer them the option of stopping? */
3319 /* Find what row this packet is in. */
3320 if (!sorted_by_frame_column) {
3321 /* This function is O(N), so we try to avoid using it... */
3322 row = packet_list_find_row_from_data(fdata);
3324 /* ...which we do by maintaining a count of packets that are
3325 being displayed (i.e., that have passed the display filter),
3326 and using the current value of that count as the row number
3327 (which is why we can only do it when the display is sorted
3328 by the frame number). */
3329 if (fdata->flags.passed_dfilter)
3336 /* This packet is in the summary list, on row "row". */
3338 for (i = 0; i < cf->cinfo.num_cols; i++) {
3339 if (col_has_time_fmt(&cf->cinfo, i)) {
3340 /* This is one of the columns that shows the time in
3341 "command-line-specified" format; update it. */
3342 cf->cinfo.col_buf[i][0] = '\0';
3343 col_set_fmt_time(fdata, &cf->cinfo, cf->cinfo.col_fmt[i], i);
3344 packet_list_set_text(row, i, cf->cinfo.col_data[i]);
3350 /* We're done redisplaying the packets; destroy the progress bar if it
3352 if (progbar != NULL)
3353 destroy_progress_dlg(progbar);
3355 /* Set the column widths of those columns that show the time in
3356 "command-line-specified" format. */
3357 for (i = 0; i < cf->cinfo.num_cols; i++) {
3358 if (col_has_time_fmt(&cf->cinfo, i)) {
3359 packet_list_set_time_width(cf->cinfo.col_fmt[i], i);
3363 /* Unfreeze the packet list. */
3366 #endif /* NEW_PACKET_LIST */
3373 gboolean frame_matched;
3377 cf_find_packet_protocol_tree(capture_file *cf, const char *string)
3381 mdata.string = string;
3382 mdata.string_len = strlen(string);
3383 return find_packet(cf, match_protocol_tree, &mdata);
3387 match_protocol_tree(capture_file *cf, frame_data *fdata, void *criterion)
3389 match_data *mdata = criterion;
3392 /* Construct the protocol tree, including the displayed text */
3393 epan_dissect_init(&edt, TRUE, TRUE);
3394 /* We don't need the column information */
3395 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3397 /* Iterate through all the nodes, seeing if they have text that matches. */
3399 mdata->frame_matched = FALSE;
3400 proto_tree_children_foreach(edt.tree, match_subtree_text, mdata);
3401 epan_dissect_cleanup(&edt);
3402 return mdata->frame_matched;
3406 match_subtree_text(proto_node *node, gpointer data)
3408 match_data *mdata = (match_data*) data;
3409 const gchar *string = mdata->string;
3410 size_t string_len = mdata->string_len;
3411 capture_file *cf = mdata->cf;
3412 field_info *fi = PNODE_FINFO(node);
3413 gchar label_str[ITEM_LABEL_LENGTH];
3420 g_assert(fi && "dissection with an invisible proto tree?");
3422 if (mdata->frame_matched) {
3423 /* We already had a match; don't bother doing any more work. */
3427 /* Don't match invisible entries. */
3428 if (PROTO_ITEM_IS_HIDDEN(node))
3431 /* was a free format label produced? */
3433 label_ptr = fi->rep->representation;
3435 /* no, make a generic label */
3436 label_ptr = label_str;
3437 proto_item_fill_label(fi, label_str);
3440 /* Does that label match? */
3441 label_len = strlen(label_ptr);
3442 for (i = 0; i < label_len; i++) {
3443 c_char = label_ptr[i];
3445 c_char = toupper(c_char);
3446 if (c_char == string[c_match]) {
3448 if (c_match == string_len) {
3449 /* No need to look further; we have a match */
3450 mdata->frame_matched = TRUE;
3457 /* Recurse into the subtree, if it exists */
3458 if (node->first_child != NULL)
3459 proto_tree_children_foreach(node, match_subtree_text, mdata);
3463 cf_find_packet_summary_line(capture_file *cf, const char *string)
3467 mdata.string = string;
3468 mdata.string_len = strlen(string);
3469 return find_packet(cf, match_summary_line, &mdata);
3473 match_summary_line(capture_file *cf, frame_data *fdata, void *criterion)
3475 match_data *mdata = criterion;
3476 const gchar *string = mdata->string;
3477 size_t string_len = mdata->string_len;
3479 const char *info_column;
3480 size_t info_column_len;
3481 gboolean frame_matched = FALSE;
3487 /* Don't bother constructing the protocol tree */
3488 epan_dissect_init(&edt, FALSE, FALSE);
3489 /* Get the column information */
3490 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, &cf->cinfo);
3492 /* Find the Info column */
3493 for (colx = 0; colx < cf->cinfo.num_cols; colx++) {
3494 if (cf->cinfo.fmt_matx[colx][COL_INFO]) {
3495 /* Found it. See if we match. */
3496 info_column = edt.pi.cinfo->col_data[colx];
3497 info_column_len = strlen(info_column);
3498 for (i = 0; i < info_column_len; i++) {
3499 c_char = info_column[i];
3501 c_char = toupper(c_char);
3502 if (c_char == string[c_match]) {
3504 if (c_match == string_len) {
3505 frame_matched = TRUE;
3514 epan_dissect_cleanup(&edt);
3515 return frame_matched;
3521 } cbs_t; /* "Counted byte string" */
3524 cf_find_packet_data(capture_file *cf, const guint8 *string, size_t string_size)
3529 info.data_len = string_size;
3531 /* String or hex search? */
3533 /* String search - what type of string? */
3534 switch (cf->scs_type) {
3536 case SCS_ASCII_AND_UNICODE:
3537 return find_packet(cf, match_ascii_and_unicode, &info);
3540 return find_packet(cf, match_ascii, &info);
3543 return find_packet(cf, match_unicode, &info);
3546 g_assert_not_reached();
3550 return find_packet(cf, match_binary, &info);
3554 match_ascii_and_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3556 cbs_t *info = criterion;
3557 const guint8 *ascii_text = info->data;
3558 size_t textlen = info->data_len;
3559 gboolean frame_matched;
3565 frame_matched = FALSE;
3566 buf_len = fdata->pkt_len;
3567 for (i = 0; i < buf_len; i++) {
3570 c_char = toupper(c_char);
3572 if (c_char == ascii_text[c_match]) {
3574 if (c_match == textlen) {
3575 frame_matched = TRUE;
3576 cf->search_pos = i; /* Save the position of the last character
3577 for highlighting the field. */
3584 return frame_matched;
3588 match_ascii(capture_file *cf, frame_data *fdata, void *criterion)
3590 cbs_t *info = criterion;
3591 const guint8 *ascii_text = info->data;
3592 size_t textlen = info->data_len;
3593 gboolean frame_matched;
3599 frame_matched = FALSE;
3600 buf_len = fdata->pkt_len;
3601 for (i = 0; i < buf_len; i++) {
3604 c_char = toupper(c_char);
3605 if (c_char == ascii_text[c_match]) {
3607 if (c_match == textlen) {
3608 frame_matched = TRUE;
3609 cf->search_pos = i; /* Save the position of the last character
3610 for highlighting the field. */
3616 return frame_matched;
3620 match_unicode(capture_file *cf, frame_data *fdata, void *criterion)
3622 cbs_t *info = criterion;
3623 const guint8 *ascii_text = info->data;
3624 size_t textlen = info->data_len;
3625 gboolean frame_matched;
3631 frame_matched = FALSE;
3632 buf_len = fdata->pkt_len;
3633 for (i = 0; i < buf_len; i++) {
3636 c_char = toupper(c_char);
3637 if (c_char == ascii_text[c_match]) {
3640 if (c_match == textlen) {
3641 frame_matched = TRUE;
3642 cf->search_pos = i; /* Save the position of the last character
3643 for highlighting the field. */
3649 return frame_matched;
3653 match_binary(capture_file *cf, frame_data *fdata, void *criterion)
3655 cbs_t *info = criterion;
3656 const guint8 *binary_data = info->data;
3657 size_t datalen = info->data_len;
3658 gboolean frame_matched;
3663 frame_matched = FALSE;
3664 buf_len = fdata->pkt_len;
3665 for (i = 0; i < buf_len; i++) {
3666 if (cf->pd[i] == binary_data[c_match]) {
3668 if (c_match == datalen) {
3669 frame_matched = TRUE;
3670 cf->search_pos = i; /* Save the position of the last character
3671 for highlighting the field. */
3677 return frame_matched;
3681 cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode)
3683 return find_packet(cf, match_dfilter, sfcode);
3687 match_dfilter(capture_file *cf, frame_data *fdata, void *criterion)
3689 dfilter_t *sfcode = criterion;
3691 gboolean frame_matched;
3693 epan_dissect_init(&edt, TRUE, FALSE);
3694 epan_dissect_prime_dfilter(&edt, sfcode);
3695 epan_dissect_run(&edt, &cf->pseudo_header, cf->pd, fdata, NULL);
3696 frame_matched = dfilter_apply_edt(sfcode, &edt);
3697 epan_dissect_cleanup(&edt);
3698 return frame_matched;
3702 find_packet(capture_file *cf,
3703 gboolean (*match_function)(capture_file *, frame_data *, void *),
3706 frame_data *start_fd;
3708 frame_data *new_fd = NULL;
3709 progdlg_t *progbar = NULL;
3716 GTimeVal start_time;
3717 gchar status_str[100];
3718 int progbar_nextstep;
3719 int progbar_quantum;
3722 start_fd = cf->current_frame;
3723 if (start_fd != NULL) {
3724 /* Iterate through the list of packets, starting at the packet we've
3725 picked, calling a routine to run the filter on the packet, see if
3726 it matches, and stop if so. */
3730 /* Update the progress bar when it gets to this value. */
3731 progbar_nextstep = 0;
3732 /* When we reach the value that triggers a progress bar update,
3733 bump that value by this amount. */
3734 progbar_quantum = cf->count/N_PROGBAR_UPDATES;
3735 /* Progress so far. */
3739 g_get_current_time(&start_time);
3742 title = cf->sfilter?cf->sfilter:"";
3744 /* Create the progress bar if necessary.
3745 We check on every iteration of the loop, so that it takes no
3746 longer than the standard time to create it (otherwise, for a
3747 large file, we might take considerably longer than that standard
3748 time in order to get to the next progress bar step). */
3749 if (progbar == NULL)
3750 progbar = delayed_create_progress_dlg("Searching", title,
3751 FALSE, &stop_flag, &start_time, progbar_val);
3753 /* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
3754 when we update it, we have to run the GTK+ main loop to get it
3755 to repaint what's pending, and doing so may involve an "ioctl()"
3756 to see if there's any pending input from an X server, and doing
3757 that for every packet can be costly, especially on a big file. */
3758 if (count >= progbar_nextstep) {
3759 /* let's not divide by zero. I should never be started
3760 * with count == 0, so let's assert that
3762 g_assert(cf->count > 0);
3764 progbar_val = (gfloat) count / cf->count;
3766 if (progbar != NULL) {
3767 g_snprintf(status_str, sizeof(status_str),
3768 "%4u of %u packets", count, cf->count);
3769 update_progress_dlg(progbar, progbar_val, status_str);
3772 progbar_nextstep += progbar_quantum;
3776 /* Well, the user decided to abort the search. Go back to the
3777 frame where we started. */
3782 /* Go past the current frame. */
3783 if (cf->sbackward) {
3784 /* Go on to the previous frame. */
3785 fdata = fdata->prev;
3786 if (fdata == NULL) {
3788 * XXX - other apps have a bit more of a detailed message
3789 * for this, and instead of offering "OK" and "Cancel",
3790 * they offer things such as "Continue" and "Cancel";
3791 * we need an API for popping up alert boxes with
3792 * {Verb} and "Cancel".
3795 if (prefs.gui_find_wrap)
3797 simple_status("Search reached the beginning. Continuing at end.");
3798 fdata = cf->plist_end; /* wrap around */
3802 simple_status("Search reached the beginning.");
3803 fdata = start_fd; /* stay on previous packet */
3807 /* Go on to the next frame. */
3808 fdata = fdata->next;
3809 if (fdata == NULL) {
3810 if (prefs.gui_find_wrap)
3812 simple_status("Search reached the end. Continuing at beginning.");
3813 fdata = cf->plist_start; /* wrap around */
3817 simple_status("Search reached the end.");
3818 fdata = start_fd; /* stay on previous packet */
3825 /* Is this packet in the display? */
3826 if (fdata->flags.passed_dfilter) {
3827 /* Yes. Load its data. */
3828 if (!cf_read_frame(cf, fdata, &err, &err_info)) {
3829 /* Read error. Report the error, and go back to the frame
3830 where we started. */
3831 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
3832 cf_read_error_message(err, err_info), cf->filename);
3837 /* Does it match the search criterion? */
3838 if ((*match_function)(cf, fdata, criterion)) {
3840 break; /* found it! */
3844 if (fdata == start_fd) {
3845 /* We're back to the frame we were on originally, and that frame
3846 doesn't match the search filter. The search failed. */
3851 /* We're done scanning the packets; destroy the progress bar if it
3853 if (progbar != NULL)
3854 destroy_progress_dlg(progbar);
3857 if (new_fd != NULL) {
3858 #ifdef NEW_PACKET_LIST
3859 /* Find and select */
3860 row = new_packet_list_find_row_from_data(fdata, TRUE);
3862 /* We found a frame. Find what row it's in. */
3863 row = packet_list_find_row_from_data(new_fd);
3864 #endif /* NEW_PACKET_LIST */
3866 /* We didn't find a row even though we know that a frame
3867 * exists that satifies the search criteria. This means that the
3868 * frame isn't being displayed currently so we can't select it. */
3869 simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK,
3870 "%sEnd of capture exceeded!%s\n\n"
3871 "The capture file is probably not fully loaded.",
3872 simple_dialog_primary_start(), simple_dialog_primary_end());
3876 #ifndef NEW_PACKET_LIST
3877 /* Select that row, make it the focus row, and make it visible. */
3878 packet_list_set_selected_row(row);
3879 #endif /* NEW_PACKET_LIST */
3880 return TRUE; /* success */
3882 return FALSE; /* failure */
3886 cf_goto_frame(capture_file *cf, guint fnumber)
3891 for (fdata = cf->plist_start; fdata != NULL && fdata->num < fnumber; fdata = fdata->next)
3894 if (fdata == NULL) {
3895 /* we didn't find a packet with that packet number */
3896 simple_status("There is no packet number %u.", fnumber);
3897 return FALSE; /* we failed to go to that packet */
3899 if (!fdata->flags.passed_dfilter) {
3900 /* that packet currently isn't displayed */
3901 /* XXX - add it to the set of displayed packets? */
3902 simple_status("Packet number %u isn't displayed.", fnumber);
3903 return FALSE; /* we failed to go to that packet */
3906 #ifdef NEW_PACKET_LIST
3907 row = new_packet_list_find_row_from_data(fdata, TRUE);
3909 /* We found that packet, and it's currently being displayed.
3910 Find what row it's in. */
3911 row = packet_list_find_row_from_data(fdata);
3912 g_assert(row != -1);
3914 /* Select that row, make it the focus row, and make it visible. */
3915 packet_list_set_selected_row(row);
3916 #endif /* NEW_PACKET_LIST */
3917 return TRUE; /* we got to that packet */
3921 cf_goto_top_frame(capture_file *cf _U_)
3923 #ifdef NEW_PACKET_LIST
3924 /* Find and select */
3925 new_packet_list_select_first_row();
3929 frame_data *lowest_fdata = NULL;
3931 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3932 if (fdata->flags.passed_dfilter) {
3933 lowest_fdata = fdata;
3938 if (lowest_fdata == NULL) {
3942 /* We found that packet, and it's currently being displayed.
3943 Find what row it's in. */
3944 row = packet_list_find_row_from_data(lowest_fdata);
3945 g_assert(row != -1);
3947 /* Select that row, make it the focus row, and make it visible. */
3948 packet_list_set_selected_row(row);
3949 #endif /* NEW_PACKET_LIST */
3950 return TRUE; /* we got to that packet */
3954 cf_goto_bottom_frame(capture_file *cf _U_) /* cf is unused w/ NEW_PACKET_LIST */
3956 #ifdef NEW_PACKET_LIST
3957 /* Find and select */
3958 new_packet_list_select_last_row();
3962 frame_data *highest_fdata = NULL;
3964 for (fdata = cf->plist_start; fdata != NULL; fdata = fdata->next) {
3965 if (fdata->flags.passed_dfilter) {
3966 highest_fdata = fdata;
3970 if (highest_fdata == NULL) {
3974 /* We found that packet, and it's currently being displayed.
3975 Find what row it's in. */
3976 row = packet_list_find_row_from_data(highest_fdata);
3977 g_assert(row != -1);
3979 /* Select that row, make it the focus row, and make it visible. */
3980 packet_list_set_selected_row(row);
3981 #endif /* NEW_PACKET_LIST */
3982 return TRUE; /* we got to that packet */
3986 * Go to frame specified by currently selected protocol tree item.
3989 cf_goto_framenum(capture_file *cf)
3991 header_field_info *hfinfo;
3994 if (cf->finfo_selected) {
3995 hfinfo = cf->finfo_selected->hfinfo;
3997 if (hfinfo->type == FT_FRAMENUM) {
3998 framenum = fvalue_get_uinteger(&cf->finfo_selected->value);
4000 return cf_goto_frame(cf, framenum);
4007 /* Select the packet on a given row. */
4009 cf_select_packet(capture_file *cf, int row)
4015 /* Get the frame data struct pointer for this frame */
4016 #ifdef NEW_PACKET_LIST
4017 fdata = new_packet_list_get_row_data(row);
4019 fdata = (frame_data *)packet_list_get_row_data(row);
4022 if (fdata == NULL) {
4023 /* XXX - if a GtkCList's selection mode is GTK_SELECTION_BROWSE, when
4024 the first entry is added to it by "real_insert_row()", that row
4025 is selected (see "real_insert_row()", in "gtk/gtkclist.c", in both
4026 our version and the vanilla GTK+ version).
4028 This means that a "select-row" signal is emitted; this causes
4029 "packet_list_select_cb()" to be called, which causes "cf_select_packet()"
4032 "cf_select_packet()" fetches, above, the data associated with the
4033 row that was selected; however, as "gtk_clist_append()", which
4034 called "real_insert_row()", hasn't yet returned, we haven't yet
4035 associated any data with that row, so we get back a null pointer.
4037 We can't assume that there's only one frame in the frame list,
4038 either, as we may be filtering the display.
4040 We therefore assume that, if "row" is 0, i.e. the first row
4041 is being selected, and "cf->first_displayed" equals
4042 "cf->last_displayed", i.e. there's only one frame being
4043 displayed, that frame is the frame we want.
4045 This means we have to set "cf->first_displayed" and
4046 "cf->last_displayed" before adding the row to the
4047 GtkCList; see the comment in "add_packet_to_packet_list()". */
4049 if (row == 0 && cf->first_displayed == cf->last_displayed)
4050 fdata = cf->first_displayed;
4053 /* If fdata _still_ isn't set simply give up. */
4054 if (fdata == NULL) {
4058 /* Get the data in that frame. */
4059 if (!cf_read_frame (cf, fdata, &err, &err_info)) {
4060 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4061 cf_read_error_message(err, err_info), cf->filename);
4065 /* Record that this frame is the current frame. */
4066 cf->current_frame = fdata;
4067 cf->current_row = row;
4069 /* Create the logical protocol tree. */
4070 if (cf->edt != NULL)
4071 epan_dissect_free(cf->edt);
4073 /* We don't need the columns here. */
4074 cf->edt = epan_dissect_new(TRUE, TRUE);
4076 tap_build_interesting(cf->edt);
4077 epan_dissect_run(cf->edt, &cf->pseudo_header, cf->pd, cf->current_frame,
4080 dfilter_macro_build_ftv_cache(cf->edt->tree);
4082 cf_callback_invoke(cf_cb_packet_selected, cf);
4085 /* Unselect the selected packet, if any. */
4087 cf_unselect_packet(capture_file *cf)
4089 /* Destroy the epan_dissect_t for the unselected packet. */
4090 if (cf->edt != NULL) {
4091 epan_dissect_free(cf->edt);
4095 /* No packet is selected. */
4096 cf->current_frame = NULL;
4097 cf->current_row = 0;
4099 cf_callback_invoke(cf_cb_packet_unselected, cf);
4101 /* No protocol tree means no selected field. */
4102 cf_unselect_field(cf);
4105 /* Unset the selected protocol tree field, if any. */
4107 cf_unselect_field(capture_file *cf)
4109 cf->finfo_selected = NULL;
4111 cf_callback_invoke(cf_cb_field_unselected, cf);
4115 * Mark a particular frame.
4118 cf_mark_frame(capture_file *cf, frame_data *frame)
4120 if (! frame->flags.marked) {
4121 frame->flags.marked = TRUE;
4122 if (cf->count > cf->marked_count)
4128 * Unmark a particular frame.
4131 cf_unmark_frame(capture_file *cf, frame_data *frame)
4133 if (frame->flags.marked) {
4134 frame->flags.marked = FALSE;
4135 if (cf->marked_count > 0)
4141 * Ignore a particular frame.
4144 cf_ignore_frame(capture_file *cf, frame_data *frame)
4146 if (! frame->flags.ignored) {
4147 frame->flags.ignored = TRUE;
4148 if (cf->count > cf->ignored_count)
4149 cf->ignored_count++;
4154 * Un-ignore a particular frame.
4157 cf_unignore_frame(capture_file *cf, frame_data *frame)
4159 if (frame->flags.ignored) {
4160 frame->flags.ignored = FALSE;
4161 if (cf->ignored_count > 0)
4162 cf->ignored_count--;
4169 } save_callback_args_t;
4172 * Save a capture to a file, in a particular format, saving either
4173 * all packets, all currently-displayed packets, or all marked packets.
4175 * Returns TRUE if it succeeds, FALSE otherwise; if it fails, it pops
4176 * up a message box for the failure.
4179 save_packet(capture_file *cf _U_, frame_data *fdata,
4180 union wtap_pseudo_header *pseudo_header, const guint8 *pd,
4183 save_callback_args_t *args = argsp;
4184 struct wtap_pkthdr hdr;
4187 /* init the wtap header for saving */
4188 hdr.ts.secs = fdata->abs_ts.secs;
4189 hdr.ts.nsecs = fdata->abs_ts.nsecs;
4190 hdr.caplen = fdata->cap_len;
4191 hdr.len = fdata->pkt_len;
4192 hdr.pkt_encap = fdata->lnk_t;
4194 /* and save the packet */
4195 if (!wtap_dump(args->pdh, &hdr, pseudo_header, pd, &err)) {
4196 cf_write_failure_alert_box(args->fname, err);
4203 * Can this capture file be saved in any format except by copying the raw data?
4206 cf_can_save_as(capture_file *cf)
4210 for (ft = 0; ft < WTAP_NUM_FILE_TYPES; ft++) {
4211 /* To save a file with Wiretap, Wiretap has to handle that format,
4212 and its code to handle that format must be able to write a file
4213 with this file's encapsulation type. */
4214 if (wtap_dump_can_open(ft) && wtap_dump_can_write_encap(ft, cf->lnk_t)) {
4215 /* OK, we can write it out in this type. */
4220 /* No, we couldn't save it in any format. */
4225 cf_save(capture_file *cf, const char *fname, packet_range_t *range, guint save_format, gboolean compressed)
4227 gchar *from_filename;
4231 save_callback_args_t callback_args;
4233 cf_callback_invoke(cf_cb_file_save_started, (gpointer)fname);
4235 /* don't write over an existing file. */
4236 /* this should've been already checked by our caller, just to be sure... */
4237 if (file_exists(fname)) {
4238 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4239 "%sCapture file: \"%s\" already exists!%s\n\n"
4240 "Please choose a different filename.",
4241 simple_dialog_primary_start(), fname, simple_dialog_primary_end());
4245 packet_range_process_init(range);
4247 if (packet_range_process_all(range) && save_format == cf->cd_t) {
4248 /* We're not filtering packets, and we're saving it in the format
4249 it's already in, so we can just move or copy the raw data. */
4251 if (cf->is_tempfile) {
4252 /* The file being saved is a temporary file from a live
4253 capture, so it doesn't need to stay around under that name;
4254 first, try renaming the capture buffer file to the new name. */
4256 if (ws_rename(cf->filename, fname) == 0) {
4257 /* That succeeded - there's no need to copy the source file. */
4258 from_filename = NULL;
4261 if (errno == EXDEV) {
4262 /* They're on different file systems, so we have to copy the
4265 from_filename = cf->filename;
4267 /* The rename failed, but not because they're on different
4268 file systems - put up an error message. (Or should we
4269 just punt and try to copy? The only reason why I'd
4270 expect the rename to fail and the copy to succeed would
4271 be if we didn't have permission to remove the file from
4272 the temporary directory, and that might be fixable - but
4273 is it worth requiring the user to go off and fix it?) */
4274 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4275 file_rename_error_message(errno), fname);
4281 from_filename = cf->filename;
4284 /* It's a permanent file, so we should copy it, and not remove the
4287 from_filename = cf->filename;
4291 /* Copy the file, if we haven't moved it. */
4292 if (!copy_file_binary_mode(from_filename, fname))
4296 /* Either we're filtering packets, or we're saving in a different
4297 format; we can't do that by copying or moving the capture file,
4298 we have to do it by writing the packets out in Wiretap. */
4299 pdh = wtap_dump_open(fname, save_format, cf->lnk_t, cf->snap,
4302 cf_open_failure_alert_box(fname, err, NULL, TRUE, save_format);
4306 /* XXX - we let the user save a subset of the packets.
4308 If we do that, should we make that file the current file? If so,
4309 it means we can no longer get at the other packets. What does
4312 /* Iterate through the list of packets, processing the packets we were
4315 XXX - we've already called "packet_range_process_init(range)", but
4316 "process_specified_packets()" will do it again. Fortunately,
4317 that's harmless in this case, as we haven't done anything to
4318 "range" since we initialized it. */
4319 callback_args.pdh = pdh;
4320 callback_args.fname = fname;
4321 switch (process_specified_packets(cf, range, "Saving", "selected packets",
4322 TRUE, save_packet, &callback_args)) {
4325 /* Completed successfully. */
4329 /* The user decided to abort the saving.
4330 XXX - remove the output file? */
4334 /* Error while saving. */
4335 wtap_dump_close(pdh, &err);
4339 if (!wtap_dump_close(pdh, &err)) {
4340 cf_close_failure_alert_box(fname, err);
4345 cf_callback_invoke(cf_cb_file_save_finished, NULL);
4347 if (packet_range_process_all(range)) {
4348 /* We saved the entire capture, not just some packets from it.
4349 Open and read the file we saved it to.
4351 XXX - this is somewhat of a waste; we already have the
4352 packets, all this gets us is updated file type information
4353 (which we could just stuff into "cf"), and having the new
4354 file be the one we have opened and from which we're reading
4355 the data, and it means we have to spend time opening and
4356 reading the file, which could be a significant amount of
4357 time if the file is large. */
4358 cf->user_saved = TRUE;
4360 if ((cf_open(cf, fname, FALSE, &err)) == CF_OK) {
4361 /* XXX - report errors if this fails?
4362 What should we return if it fails or is aborted? */
4364 switch (cf_read(cf, TRUE)) {
4368 /* Just because we got an error, that doesn't mean we were unable
4369 to read any of the file; we handle what we could get from the
4373 case CF_READ_ABORTED:
4374 /* The user bailed out of re-reading the capture file; the
4375 capture file has been closed - just return (without
4376 changing any menu settings; "cf_close()" set them
4377 correctly for the "no capture file open" state). */
4380 cf_callback_invoke(cf_cb_file_save_reload_finished, cf);
4386 cf_callback_invoke(cf_cb_file_save_failed, NULL);
4391 cf_open_failure_alert_box(const char *filename, int err, gchar *err_info,
4392 gboolean for_writing, int file_type)
4395 /* Wiretap error. */
4398 case WTAP_ERR_NOT_REGULAR_FILE:
4399 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4400 "The file \"%s\" is a \"special file\" or socket or other non-regular file.",
4404 case WTAP_ERR_RANDOM_OPEN_PIPE:
4405 /* Seen only when opening a capture file for reading. */
4406 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4407 "The file \"%s\" is a pipe or FIFO; Wireshark can't read pipe or FIFO files.",
4411 case WTAP_ERR_FILE_UNKNOWN_FORMAT:
4412 /* Seen only when opening a capture file for reading. */
4413 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4414 "The file \"%s\" isn't a capture file in a format Wireshark understands.",
4418 case WTAP_ERR_UNSUPPORTED:
4419 /* Seen only when opening a capture file for reading. */
4420 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4421 "The file \"%s\" isn't a capture file in a format Wireshark understands.\n"
4423 filename, err_info);
4427 case WTAP_ERR_CANT_WRITE_TO_PIPE:
4428 /* Seen only when opening a capture file for writing. */
4429 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4430 "The file \"%s\" is a pipe, and %s capture files can't be "
4431 "written to a pipe.",
4432 filename, wtap_file_type_string(file_type));
4435 case WTAP_ERR_UNSUPPORTED_FILE_TYPE:
4436 /* Seen only when opening a capture file for writing. */
4437 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4438 "Wireshark doesn't support writing capture files in that format.");
4441 case WTAP_ERR_UNSUPPORTED_ENCAP:
4443 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4444 "Wireshark can't save this capture in that format.");
4446 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4447 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.\n"
4449 filename, err_info);
4454 case WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED:
4456 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4457 "Wireshark can't save this capture in that format.");
4459 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4460 "The file \"%s\" is a capture for a network type that Wireshark doesn't support.",
4465 case WTAP_ERR_BAD_RECORD:
4466 /* Seen only when opening a capture file for reading. */
4467 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4468 "The file \"%s\" appears to be damaged or corrupt.\n"
4470 filename, err_info);
4474 case WTAP_ERR_CANT_OPEN:
4476 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4477 "The file \"%s\" could not be created for some unknown reason.",
4480 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4481 "The file \"%s\" could not be opened for some unknown reason.",
4486 case WTAP_ERR_SHORT_READ:
4487 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4488 "The file \"%s\" appears to have been cut short"
4489 " in the middle of a packet or other data.",
4493 case WTAP_ERR_SHORT_WRITE:
4494 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4495 "A full header couldn't be written to the file \"%s\".",
4499 case WTAP_ERR_COMPRESSION_NOT_SUPPORTED:
4500 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4501 "Gzip compression not supported by this file type.");
4505 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4506 "The file \"%s\" could not be %s: %s.",
4508 for_writing ? "created" : "opened",
4509 wtap_strerror(err));
4514 open_failure_alert_box(filename, err, for_writing);
4519 file_rename_error_message(int err)
4522 static char errmsg_errno[1024+1];
4527 errmsg = "The path to the file \"%s\" doesn't exist.";
4531 errmsg = "You don't have permission to move the capture file to \"%s\".";
4535 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4536 "The file \"%%s\" could not be moved: %s.",
4537 wtap_strerror(err));
4538 errmsg = errmsg_errno;
4545 cf_read_error_message(int err, gchar *err_info)
4547 static char errmsg_errno[1024+1];
4551 case WTAP_ERR_UNSUPPORTED_ENCAP:
4552 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4553 "The file \"%%s\" has a packet with a network type that Wireshark doesn't support.\n(%s)",
4558 case WTAP_ERR_BAD_RECORD:
4559 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4560 "An error occurred while reading from the file \"%%s\": %s.\n(%s)",
4561 wtap_strerror(err), err_info);
4566 g_snprintf(errmsg_errno, sizeof(errmsg_errno),
4567 "An error occurred while reading from the file \"%%s\": %s.",
4568 wtap_strerror(err));
4571 return errmsg_errno;
4575 cf_write_failure_alert_box(const char *filename, int err)
4578 /* Wiretap error. */
4579 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4580 "An error occurred while writing to the file \"%s\": %s.",
4581 filename, wtap_strerror(err));
4584 write_failure_alert_box(filename, err);
4588 /* Check for write errors - if the file is being written to an NFS server,
4589 a write error may not show up until the file is closed, as NFS clients
4590 might not send writes to the server until the "write()" call finishes,
4591 so that the write may fail on the server but the "write()" may succeed. */
4593 cf_close_failure_alert_box(const char *filename, int err)
4596 /* Wiretap error. */
4599 case WTAP_ERR_CANT_CLOSE:
4600 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4601 "The file \"%s\" couldn't be closed for some unknown reason.",
4605 case WTAP_ERR_SHORT_WRITE:
4606 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4607 "Not all the packets could be written to the file \"%s\".",
4612 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
4613 "An error occurred while closing the file \"%s\": %s.",
4614 filename, wtap_strerror(err));
4619 We assume that a close error from the OS is really a write error. */
4620 write_failure_alert_box(filename, err);
4624 /* Reload the current capture file. */
4626 cf_reload(capture_file *cf) {
4628 gboolean is_tempfile;
4631 /* If the file could be opened, "cf_open()" calls "cf_close()"
4632 to get rid of state for the old capture file before filling in state
4633 for the new capture file. "cf_close()" will remove the file if
4634 it's a temporary file; we don't want that to happen (for one thing,
4635 it'd prevent subsequent reopens from working). Remember whether it's
4636 a temporary file, mark it as not being a temporary file, and then
4637 reopen it as the type of file it was.
4639 Also, "cf_close()" will free "cf->filename", so we must make
4640 a copy of it first. */
4641 filename = g_strdup(cf->filename);
4642 is_tempfile = cf->is_tempfile;
4643 cf->is_tempfile = FALSE;
4644 if (cf_open(cf, filename, is_tempfile, &err) == CF_OK) {
4645 switch (cf_read(cf, FALSE)) {
4649 /* Just because we got an error, that doesn't mean we were unable
4650 to read any of the file; we handle what we could get from the
4654 case CF_READ_ABORTED:
4655 /* The user bailed out of re-reading the capture file; the
4656 capture file has been closed - just free the capture file name
4657 string and return (without changing the last containing
4663 /* The open failed, so "cf->is_tempfile" wasn't set to "is_tempfile".
4664 Instead, the file was left open, so we should restore "cf->is_tempfile"
4667 XXX - change the menu? Presumably "cf_open()" will do that;
4668 make sure it does! */
4669 cf->is_tempfile = is_tempfile;
4671 /* "cf_open()" made a copy of the file name we handed it, so
4672 we should free up our copy. */
4682 * indent-tabs-mode: nil
4685 * ex: set shiftwidth=2 tabstop=8 expandtab
4686 * :indentSize=2:tabSize=8:noTabs=true: