2 * Definitions for file structures and routines
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.
28 #include "packet-range.h"
29 #include "wiretap/wtap.h"
30 #include <epan/dfilter/dfilter.h>
33 #include <epan/epan.h>
38 /** Return values from functions that only can succeed or fail. */
40 CF_OK, /**< operation succeeded */
41 CF_ERROR /**< operation got an error (function may provide err with details) */
44 /** Return values from functions that read capture files. */
46 CF_READ_OK, /**< operation succeeded */
47 CF_READ_ERROR, /**< operation got an error (function may provide err with details) */
48 CF_READ_ABORTED /**< operation aborted by user */
51 /** Return values from functions that print sets of packets. */
53 CF_PRINT_OK, /**< print operation succeeded */
54 CF_PRINT_OPEN_ERROR, /**< print operation failed while opening printer */
55 CF_PRINT_WRITE_ERROR /**< print operation failed while writing to the printer */
61 cf_cb_file_read_started,
62 cf_cb_file_read_finished,
63 cf_cb_packet_selected,
64 cf_cb_packet_unselected,
65 cf_cb_field_unselected,
66 cf_cb_file_save_started,
67 cf_cb_file_save_finished,
68 cf_cb_file_save_reload_finished,
69 cf_cb_file_save_failed
72 typedef void (*cf_callback_t) (gint event, gpointer data, gpointer user_data);
75 cf_callback_add(cf_callback_t func, gpointer user_data);
78 cf_callback_remove(cf_callback_t func);
81 * Open a capture file.
83 * @param cf the capture file to be opened
84 * @param fname the filename to be opened
85 * @param is_tempfile is this a temporary file?
86 * @return one of cf_status_t
88 cf_status_t cf_open(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
91 * Close a capture file.
93 * @param cf the capture file to be closed
95 void cf_close(capture_file *cf);
98 * Reload a capture file.
100 * @param cf the capture file to be reloaded
102 void cf_reload(capture_file *cf);
105 * Read all packets of a capture file into the internal structures.
107 * @param cf the capture file to be read
108 * @param from_save reread asked from cf_save
109 * @return one of cf_read_status_t
111 cf_read_status_t cf_read(capture_file *cf, gboolean from_save);
114 * Start reading from the end of a capture file.
115 * This is used in "Update list of packets in Real-Time".
117 * @param cf the capture file to be read from
118 * @param fname the filename to be read from
119 * @param is_tempfile is this a temporary file?
120 * @param err the error code, if an error had occured
121 * @return one of cf_status_t
123 cf_status_t cf_start_tail(capture_file *cf, const char *fname, gboolean is_tempfile, int *err);
126 * Read packets from the "end" of a capture file.
128 * @param cf the capture file to be read from
129 * @param to_read the number of packets to read
130 * @param err the error code, if an error had occured
131 * @return one of cf_read_status_t
133 cf_read_status_t cf_continue_tail(capture_file *cf, volatile int to_read, int *err);
136 * Finish reading from "end" of a capture file.
138 * @param cf the capture file to be read from
139 * @param err the error code, if an error had occured
140 * @return one of cf_read_status_t
142 cf_read_status_t cf_finish_tail(capture_file *cf, int *err);
145 * Determine whether this capture file (or a range of it) can be saved
146 * (except by copying the raw file data).
148 * @param cf the capture file to check
149 * @return TRUE if it can be saved, FALSE if it can't
151 gboolean cf_can_save_as(capture_file *cf);
154 * Save a capture file (or a range of it).
156 * @param cf the capture file to save to
157 * @param fname the filename to save to
158 * @param range the range of packets to save
159 * @param save_format the format of the file to save (libpcap, ...)
160 * @param compressed whether to gzip compress the file
161 * @return one of cf_status_t
163 cf_status_t cf_save(capture_file * cf, const char *fname, packet_range_t *range, guint save_format, gboolean compressed);
166 * Get a displayable name of the capture file.
168 * @param cf the capture file
169 * @return the displayable name (don't have to be g_free'd)
171 const gchar *cf_get_display_name(capture_file *cf);
174 * Set the source of the capture data for temporary files, e.g.
175 * "Interface eth0" or "Pipe from Pong"
177 * @param cf the capture file
178 * @param source the source description. this will be copied internally.
180 void cf_set_tempfile_source(capture_file *cf, gchar *source);
183 * Get the source of the capture data for temporary files. Guaranteed to
184 * return a non-null value. The returned value should not be freed.
186 * @param cf the capture file
187 * @param source the source description. this will be copied internally.
189 const gchar *cf_get_tempfile_source(capture_file *cf);
192 * Get the number of packets in the capture file.
194 * @param cf the capture file
195 * @return the number of packets in the capture file
197 int cf_get_packet_count(capture_file *cf);
200 * Set the number of packets in the capture file.
202 * @param cf the capture file
203 * @param the number of packets in the capture file
205 void cf_set_packet_count(capture_file *cf, int packet_count);
208 * Is this capture file a temporary file?
210 * @param cf the capture file
211 * @return TRUE if it's a temporary file, FALSE otherwise
213 gboolean cf_is_tempfile(capture_file *cf);
216 * Set flag, that this file is a tempfile.
218 void cf_set_tempfile(capture_file *cf, gboolean is_tempfile);
221 * Set flag, if the number of packet drops while capturing are known or not.
223 * @param cf the capture file
224 * @param drops_known TRUE if the number of packet drops are known, FALSE otherwise
226 void cf_set_drops_known(capture_file *cf, gboolean drops_known);
229 * Set the number of packet drops while capturing.
231 * @param cf the capture file
232 * @param drops the number of packet drops occured while capturing
234 void cf_set_drops(capture_file *cf, guint32 drops);
237 * Get flag state, if the number of packet drops while capturing are known or not.
239 * @param cf the capture file
240 * @return TRUE if the number of packet drops are known, FALSE otherwise
242 gboolean cf_get_drops_known(capture_file *cf);
245 * Get the number of packet drops while capturing.
247 * @param cf the capture file
248 * @return the number of packet drops occured while capturing
250 guint32 cf_get_drops(capture_file *cf);
253 * Set the read filter.
254 * @todo this shouldn't be required, remove it somehow
256 * @param cf the capture file
257 * @param rfcode the readfilter
259 void cf_set_rfcode(capture_file *cf, dfilter_t *rfcode);
262 * "Display Filter" packets in the capture file.
264 * @param cf the capture file
265 * @param dfilter the display filter
266 * @param force TRUE if do in any case, FALSE only if dfilter changed
267 * @return one of cf_status_t
269 cf_status_t cf_filter_packets(capture_file *cf, gchar *dfilter, gboolean force);
272 * At least one "Refence Time" flag has changed, rescan all packets.
274 * @param cf the capture file
276 void cf_reftime_packets(capture_file *cf);
279 * Return the time it took to load the file
281 gulong cf_get_computed_elapsed(void);
284 * The coloring rules have changed, redo coloring
286 * @param cf the capture file
288 void cf_colorize_packets(capture_file *cf);
291 * "Something" has changed, rescan all packets.
293 * @param cf the capture file
295 void cf_redissect_packets(capture_file *cf);
298 * Rescan all packets and just run taps - don't reconstruct the display.
300 * @param cf the capture file
301 * @return one of cf_read_status_t
303 cf_read_status_t cf_retap_packets(capture_file *cf);
306 * The time format has changed, rescan all packets.
308 * @param cf the capture file
310 void cf_change_time_formats(capture_file *cf);
313 * Adjust timestamp precision if auto is selected.
315 * @param cf the capture file
317 void cf_timestamp_auto_precision(capture_file *cf);
320 * Print the capture file.
322 * @param cf the capture file
323 * @param print_args the arguments what and how to print
324 * @return one of cf_print_status_t
326 cf_print_status_t cf_print_packets(capture_file *cf, print_args_t *print_args);
329 * Print (export) the capture file into PDML format.
331 * @param cf the capture file
332 * @param print_args the arguments what and how to export
333 * @return one of cf_print_status_t
335 cf_print_status_t cf_write_pdml_packets(capture_file *cf, print_args_t *print_args);
338 * Print (export) the capture file into PSML format.
340 * @param cf the capture file
341 * @param print_args the arguments what and how to export
342 * @return one of cf_print_status_t
344 cf_print_status_t cf_write_psml_packets(capture_file *cf, print_args_t *print_args);
347 * Print (export) the capture file into CSV format.
349 * @param cf the capture file
350 * @param print_args the arguments what and how to export
351 * @return one of cf_print_status_t
353 cf_print_status_t cf_write_csv_packets(capture_file *cf, print_args_t *print_args);
356 * Print (export) the capture file into C Arrays format.
358 * @param cf the capture file
359 * @param print_args the arguments what and how to export
360 * @return one of cf_print_status_t
362 cf_print_status_t cf_write_carrays_packets(capture_file *cf, print_args_t *print_args);
365 * Find Packet in protocol tree.
367 * @param cf the capture file
368 * @param string the string to find
369 * @return TRUE if a packet was found, FALSE otherwise
371 gboolean cf_find_packet_protocol_tree(capture_file *cf, const char *string);
374 * Find Packet in summary line.
376 * @param cf the capture file
377 * @param string the string to find
378 * @return TRUE if a packet was found, FALSE otherwise
380 gboolean cf_find_packet_summary_line(capture_file *cf, const char *string);
383 * Find Packet in packet data.
385 * @param cf the capture file
386 * @param string the string to find
387 * @param string_size the size of the string to find
388 * @return TRUE if a packet was found, FALSE otherwise
390 gboolean cf_find_packet_data(capture_file *cf, const guint8 *string,
394 * Find Packet by display filter.
396 * @param cf the capture file
397 * @param sfcode the display filter to find a packet for
398 * @return TRUE if a packet was found, FALSE otherwise
400 gboolean cf_find_packet_dfilter(capture_file *cf, dfilter_t *sfcode);
403 * GoTo Packet in first row.
405 * @param cf the capture file
406 * @return TRUE if the first row exists, FALSE otherwise
408 gboolean cf_goto_top_frame(capture_file *cf);
411 * GoTo Packet in last row.
413 * @param cf the capture file
414 * @return TRUE if last row exists, FALSE otherwise
416 gboolean cf_goto_bottom_frame(capture_file *cf);
419 * GoTo Packet with the given row.
421 * @param cf the capture file
422 * @param row the row to go to
423 * @return TRUE if this row exists, FALSE otherwise
425 gboolean cf_goto_frame(capture_file *cf, guint row);
428 * Go to frame specified by currently selected protocol tree field.
429 * (Go To Corresponding Packet)
430 * @todo this is ugly and should be improved!
432 * @param cf the capture file
433 * @return TRUE if this packet exists, FALSE otherwise
435 gboolean cf_goto_framenum(capture_file *cf);
438 * Select the packet in the given row.
440 * @param cf the capture file
441 * @param row the row to select
443 void cf_select_packet(capture_file *cf, int row);
446 * Unselect all packets, if any.
448 * @param cf the capture file
449 * @param row the row to select
451 void cf_unselect_packet(capture_file *cf);
454 * Unselect all protocol tree fields, if any.
456 * @param cf the capture file
457 * @param row the row to select
459 void cf_unselect_field(capture_file *cf);
462 * Mark a particular frame in a particular capture.
464 * @param cf the capture file
465 * @param frame the frame to be marked
467 void cf_mark_frame(capture_file *cf, frame_data *frame);
470 * Unmark a particular frame in a particular capture.
472 * @param cf the capture file
473 * @param frame the frame to be unmarked
475 void cf_unmark_frame(capture_file *cf, frame_data *frame);
478 * Ignore a particular frame in a particular capture.
480 * @param cf the capture file
481 * @param frame the frame to be ignored
483 void cf_ignore_frame(capture_file *cf, frame_data *frame);
486 * Unignore a particular frame in a particular capture.
488 * @param cf the capture file
489 * @param frame the frame to be unignored
491 void cf_unignore_frame(capture_file *cf, frame_data *frame);
494 * Convert error number and info to a complete message.
496 * @param err the error number
497 * @param err_info a string with additional details about this error
498 * @return statically allocated error message
500 char *cf_read_error_message(int err, gchar *err_info);
503 * Merge two (or more) capture files into one.
504 * @todo is this the right place for this function? It doesn't have to do a lot with capture_file.
506 * @param out_filename pointer to output filename; if output filename is
507 * NULL, a temporary file name is generated and *out_filename is set
508 * to point to the generated file name
509 * @param in_file_count the number of input files to merge
510 * @param in_filnames array of input filenames
511 * @param file_type the output filetype
512 * @param do_append FALSE to merge chronologically, TRUE simply append
513 * @return one of cf_status_t
516 cf_merge_files(char **out_filename, int in_file_count,
517 char *const *in_filenames, int file_type, gboolean do_append);
519 #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS)
520 void read_keytab_file(const char *);