1 | /***************************************************************************
|
---|
2 | mondostructures.h - description
|
---|
3 | -------------------
|
---|
4 | begin : Fri Apr 19 2002
|
---|
5 | copyright : (C) 2002 by Stan Benoit
|
---|
6 | email : troff@nakedsoul.org
|
---|
7 | cvsid : $Id: mondostructures.h 558 2006-05-20 14:54:20Z bcornec $
|
---|
8 | ***************************************************************************/
|
---|
9 |
|
---|
10 | /***************************************************************************
|
---|
11 | * *
|
---|
12 | * This program is free software; you can redistribute it and/or modify *
|
---|
13 | * it under the terms of the GNU General Public License as published by *
|
---|
14 | * the Free Software Foundation; either version 2 of the License, or *
|
---|
15 | * (at your option) any later version. *
|
---|
16 | * *
|
---|
17 | ***************************************************************************/
|
---|
18 |
|
---|
19 |
|
---|
20 | /**
|
---|
21 | * @file
|
---|
22 | * The header file defining all of Mondo's structures.
|
---|
23 | */
|
---|
24 |
|
---|
25 |
|
---|
26 | /** @def MAX_NOOF_MEDIA The maximum number of media that can be used in any one backup. */
|
---|
27 |
|
---|
28 | ///* So we can override it in config.h: */
|
---|
29 | //#ifndef MAX_NOOF_MEDIA
|
---|
30 | #define MAX_NOOF_MEDIA 50
|
---|
31 | //#endif
|
---|
32 |
|
---|
33 | /**
|
---|
34 | * Structure indicating one entry in the mountlist.
|
---|
35 | * There is one mountlist_line for each device we're keeping track of in the mountlist.
|
---|
36 | */
|
---|
37 | struct mountlist_line {
|
---|
38 | /**
|
---|
39 | * The name of the device (/dev entry) for this mountlist line. Guaranteed to be unique.
|
---|
40 | */
|
---|
41 | char device[64];
|
---|
42 |
|
---|
43 | /**
|
---|
44 | * The mountpoint for this mountlist line. Should be unique.
|
---|
45 | * This can be "raid", for a RAID subdisk, or "lvm", for an LVM PV.
|
---|
46 | */
|
---|
47 | char mountpoint[256];
|
---|
48 |
|
---|
49 | /**
|
---|
50 | * The filesystem type of this entry. Examples: ext2, ext3, reiserfs, xfs, swap.
|
---|
51 | * Also, this can be "raid", for a RAID subdisk, or "lvm", for an LVM PV.
|
---|
52 | */
|
---|
53 | char format[64];
|
---|
54 |
|
---|
55 | /**
|
---|
56 | * The size in kilobytes of this device. 0 or -1 indicates LVM.
|
---|
57 | */
|
---|
58 | long long size;
|
---|
59 |
|
---|
60 | /**
|
---|
61 | * For ext2 and ext3, this is the filesystem label (if there is one). If not, this should be "".
|
---|
62 | */
|
---|
63 | char label[256];
|
---|
64 | };
|
---|
65 |
|
---|
66 | /**
|
---|
67 | * The mountlist structure.
|
---|
68 | * This is used to keep track of a list of all the devices/partitions/formats/sizes/labels in the
|
---|
69 | * system, so we can recreate them in a nuke restore.
|
---|
70 | */
|
---|
71 | struct mountlist_itself {
|
---|
72 | /**
|
---|
73 | * Number of entries in the mountlist.
|
---|
74 | */
|
---|
75 | int entries;
|
---|
76 |
|
---|
77 | /**
|
---|
78 | * The list of entries, all @p entries of them.
|
---|
79 | */
|
---|
80 | struct mountlist_line el[MAX_TAPECATALOG_ENTRIES];
|
---|
81 | };
|
---|
82 |
|
---|
83 | /**
|
---|
84 | * A structure which holds references to elements of the mountlist.
|
---|
85 | * This is used in resize_drive_proportionately_to_fit_new_drives() to
|
---|
86 | * ensure accurate resizing.
|
---|
87 | */
|
---|
88 | struct mountlist_reference {
|
---|
89 | /**
|
---|
90 | * The number of entries in the list of mountlist references.
|
---|
91 | */
|
---|
92 | int entries;
|
---|
93 |
|
---|
94 | /**
|
---|
95 | * The array of mountlist_line, allocated on demand.
|
---|
96 | */
|
---|
97 | struct mountlist_line **el;
|
---|
98 | };
|
---|
99 |
|
---|
100 | /**
|
---|
101 | * A line in @p additional_raid_variables.
|
---|
102 | */
|
---|
103 | struct raid_var_line {
|
---|
104 | /**
|
---|
105 | * The label for this RAID variable.
|
---|
106 | */
|
---|
107 | char label[64];
|
---|
108 |
|
---|
109 | /**
|
---|
110 | * The value for this RAID variable.
|
---|
111 | */
|
---|
112 | char value[64];
|
---|
113 | };
|
---|
114 |
|
---|
115 | /**
|
---|
116 | * The additional RAID variables structure.
|
---|
117 | * This is used to store a list of additional variables to be put in the raidtab,
|
---|
118 | * to allow users to use (new) features of RAID which Mondo doesn't (yet) support directly.
|
---|
119 | * Each @p raid_device_record has one.
|
---|
120 | */
|
---|
121 | struct additional_raid_variables {
|
---|
122 | /**
|
---|
123 | * The number of entries in the list.
|
---|
124 | */
|
---|
125 | int entries;
|
---|
126 |
|
---|
127 | /**
|
---|
128 | * The list of entries, all @p entries of them.
|
---|
129 | */
|
---|
130 | struct raid_var_line el[MAXIMUM_ADDITIONAL_RAID_VARS];
|
---|
131 | };
|
---|
132 |
|
---|
133 | /**
|
---|
134 | * One disk in a @p list_of_disks.
|
---|
135 | */
|
---|
136 | struct s_disk {
|
---|
137 | #ifdef __FreeBSD__
|
---|
138 | /**
|
---|
139 | * The name of this disk. If blank it will eventually get filled in automatically.
|
---|
140 | */
|
---|
141 | char name[64];
|
---|
142 | #endif
|
---|
143 | /**
|
---|
144 | * The device this entry describes.
|
---|
145 | */
|
---|
146 | char device[64];
|
---|
147 |
|
---|
148 | /**
|
---|
149 | * Index number of this entry in the whole disklist.
|
---|
150 | */
|
---|
151 | int index;
|
---|
152 |
|
---|
153 | /**
|
---|
154 | * Type of disk.
|
---|
155 | */
|
---|
156 | char type; // ' ' = data (default), S = spare, F = faulty
|
---|
157 |
|
---|
158 | };
|
---|
159 |
|
---|
160 | /**
|
---|
161 | * A list of @p s_disk. Every @p raid_device_record has four.
|
---|
162 | */
|
---|
163 | struct list_of_disks {
|
---|
164 | /**
|
---|
165 | * The number of entries in the disklist.
|
---|
166 | */
|
---|
167 | int entries;
|
---|
168 |
|
---|
169 | /**
|
---|
170 | * The entries themselves, all @p entries of them.
|
---|
171 | */
|
---|
172 | struct s_disk el[MAXIMUM_DISKS_PER_RAID_DEV];
|
---|
173 | };
|
---|
174 |
|
---|
175 | /**
|
---|
176 | * A type of media we're backing up to.
|
---|
177 | */
|
---|
178 | typedef enum { none = 0, ///< No type has been set yet.
|
---|
179 | iso, ///< Back up to ISO images.
|
---|
180 | cdr, ///< Back up to recordable CDs (do not erase them).
|
---|
181 | cdrw, ///< Back up to CD-RWs and blank them first.
|
---|
182 | dvd, ///< Back up to DVD+R[W] or DVD-R[W] disks.
|
---|
183 | cdstream, ///< Back up to recordable CDs but treat them like a tape streamer.
|
---|
184 | nfs, ///< Back up to an NFS mount on the local subnet.
|
---|
185 | tape, ///< Back up to tapes.
|
---|
186 | udev ///< Back up to another unsupported device; just send a stream of bytes.
|
---|
187 | } t_bkptype;
|
---|
188 |
|
---|
189 | /**
|
---|
190 | * A type of file in the catalog of recent archives.
|
---|
191 | */
|
---|
192 | typedef enum { other, ///< Some other kind of file.
|
---|
193 | fileset, ///< An afioball (fileset), optionally compressed.
|
---|
194 | biggieslice ///< A slice of a biggiefile, optionally compressed.
|
---|
195 | } t_archtype;
|
---|
196 |
|
---|
197 |
|
---|
198 | #ifdef __FreeBSD__
|
---|
199 |
|
---|
200 | struct vinum_subdisk {
|
---|
201 | char which_device[64];
|
---|
202 | };
|
---|
203 |
|
---|
204 | struct vinum_plex {
|
---|
205 | int raidlevel;
|
---|
206 | int stripesize;
|
---|
207 | int subdisks;
|
---|
208 | struct vinum_subdisk sd[MAXIMUM_RAID_DEVS];
|
---|
209 | };
|
---|
210 |
|
---|
211 | struct vinum_volume {
|
---|
212 | char volname[64];
|
---|
213 | int plexes;
|
---|
214 | struct vinum_plex plex[9];
|
---|
215 | };
|
---|
216 |
|
---|
217 | struct raidlist_itself {
|
---|
218 | int entries;
|
---|
219 | struct list_of_disks spares;
|
---|
220 | struct list_of_disks disks;
|
---|
221 | struct vinum_volume el[MAXIMUM_RAID_DEVS];
|
---|
222 | };
|
---|
223 |
|
---|
224 | #else
|
---|
225 |
|
---|
226 | /**
|
---|
227 | * A RAID device in the raidlist.
|
---|
228 | */
|
---|
229 | struct raid_device_record {
|
---|
230 | /**
|
---|
231 | * The name of the RAID device (e.g. /dev/md0).
|
---|
232 | */
|
---|
233 | char raid_device[64];
|
---|
234 |
|
---|
235 | /**
|
---|
236 | * The RAID level (-1 to 5) we're using.
|
---|
237 | */
|
---|
238 | int raid_level;
|
---|
239 |
|
---|
240 | /**
|
---|
241 | * Whether the disk has a persistent superblock.
|
---|
242 | */
|
---|
243 | int persistent_superblock;
|
---|
244 |
|
---|
245 | /**
|
---|
246 | * The chunk size of this RAID device.
|
---|
247 | */
|
---|
248 | int chunk_size;
|
---|
249 |
|
---|
250 | /**
|
---|
251 | * The parity algorithm of this RAID device. (RAID5 only)
|
---|
252 | */
|
---|
253 | int parity; // 0=left-asymmetric, 1=right-asymmetric, 2=left-symmetric, 3=right-symmetric
|
---|
254 |
|
---|
255 | /**
|
---|
256 | * A list of the disks to use for storing data.
|
---|
257 | */
|
---|
258 | struct list_of_disks data_disks;
|
---|
259 |
|
---|
260 | /**
|
---|
261 | * A list of the disks to use as "hot spares" in case one dies.
|
---|
262 | */
|
---|
263 | struct list_of_disks spare_disks;
|
---|
264 |
|
---|
265 | /**
|
---|
266 | * A list of the disks to use for storing parity information.
|
---|
267 | */
|
---|
268 | struct list_of_disks parity_disks;
|
---|
269 |
|
---|
270 | /**
|
---|
271 | * A list of the disks in this RAID device that have failed\. Rare.
|
---|
272 | */
|
---|
273 | struct list_of_disks failed_disks;
|
---|
274 |
|
---|
275 | /**
|
---|
276 | * The additional RAID variables for this device.
|
---|
277 | */
|
---|
278 | struct additional_raid_variables additional_vars;
|
---|
279 |
|
---|
280 | /**
|
---|
281 | * Resync progress for this device.
|
---|
282 | */
|
---|
283 | int progress;
|
---|
284 | };
|
---|
285 |
|
---|
286 | /**
|
---|
287 | * The list of RAID devices.
|
---|
288 | * This is intended to be used along with the mountlist, and it can be
|
---|
289 | * directly loaded from/saved to raidtab format.
|
---|
290 | */
|
---|
291 | struct raidlist_itself {
|
---|
292 | /**
|
---|
293 | * The number of entries in the list.
|
---|
294 | */
|
---|
295 | int entries;
|
---|
296 |
|
---|
297 | /**
|
---|
298 | * The RAID devices in the raidlist, all @p entries of them.
|
---|
299 | */
|
---|
300 | struct raid_device_record el[MAXIMUM_RAID_DEVS];
|
---|
301 | };
|
---|
302 |
|
---|
303 | #endif
|
---|
304 |
|
---|
305 | /**
|
---|
306 | * The backup information structure.
|
---|
307 | *
|
---|
308 | * This is the central structure to all the activity going on inside Mondo.
|
---|
309 | * It is passed to almost every function that is not just a helper, even those
|
---|
310 | * which only use one variable of it, because it is useful keeping all the information
|
---|
311 | * together in one place. The usage of particular fields in the bkpinfo is marked in
|
---|
312 | * function documentation, but it is best to fill out as many fields as apply, because
|
---|
313 | * that function may in turn pass the bkpinfo to other functions which use other fields.
|
---|
314 | *
|
---|
315 | * To fill out the bkpinfo first call reset_bkpinfo() and pre_param_configuration(). Then set
|
---|
316 | * the backup-specific parameters (see mondo/mondoarchive/mondo-cli.c-\>process_switches for
|
---|
317 | * an example). After that, you should call post_param_configuration() to set some final
|
---|
318 | * parameters based on those you have already set. Failure to do the last step will result in
|
---|
319 | * extremely strange and hard-to-track errors in chop_filelist(), since optimal_set_size is 0.
|
---|
320 | */
|
---|
321 | struct s_bkpinfo {
|
---|
322 | /**
|
---|
323 | * The device we're backing up to.
|
---|
324 | * If backup_media_type is @b cdr, @b cdrw, or @b cdstream, this should be the SCSI node (e.g. 0,1,0).
|
---|
325 | * If backup_media_type is @b dvd, @b tape, or @b udev, this should be a /dev entry.
|
---|
326 | * If backup_media_type is anything else, this should be blank.
|
---|
327 | */
|
---|
328 | char media_device[MAX_STR_LEN / 4];
|
---|
329 |
|
---|
330 | /**
|
---|
331 | * An array containing the sizes of each media in our backup set, in MB.
|
---|
332 | * For example, media 1's size would be stored in media_size[1].
|
---|
333 | * Element 0 is unused.
|
---|
334 | * If the size should be autodetected, make it -1 (preferable) or 0.
|
---|
335 | * @bug This should probably be only one variable, not an array.
|
---|
336 | */
|
---|
337 | long media_size[MAX_NOOF_MEDIA + 1];
|
---|
338 |
|
---|
339 | /**
|
---|
340 | * The boot loader that is installed. Available choices are:
|
---|
341 | * - 'G' for GRUB
|
---|
342 | * - 'L' for LILO
|
---|
343 | * - 'E' for ELILO
|
---|
344 | * - (FreeBSD only) 'B' for boot0
|
---|
345 | * - (FreeBSD only) 'D' for dangerously dedicated
|
---|
346 | * - 'R' for Raw
|
---|
347 | * - 'U' for Unknown or None
|
---|
348 | *
|
---|
349 | * The function which_boot_loader() can help you set this.
|
---|
350 | */
|
---|
351 | char boot_loader;
|
---|
352 |
|
---|
353 | /**
|
---|
354 | * The boot device on which @p boot_loader is installed.
|
---|
355 | * This is a bit difficult to autodetect; you may want
|
---|
356 | * to take truncate_to_drive_name() of where_is_root_mounted().
|
---|
357 | */
|
---|
358 | char boot_device[MAX_STR_LEN / 4];
|
---|
359 |
|
---|
360 | /**
|
---|
361 | * The compression program to use. Currently supported
|
---|
362 | * choices are lzop and bzip2; gzip may also work. This is ignored if
|
---|
363 | * compression_level is 0.
|
---|
364 | */
|
---|
365 | char zip_exe[MAX_STR_LEN / 4];
|
---|
366 |
|
---|
367 | /**
|
---|
368 | * The extension your compression program uses. lzop uses lzo, bzip uses
|
---|
369 | * bz2, gzip uses gz, etc. Do not include the dot.
|
---|
370 | */
|
---|
371 | char zip_suffix[MAX_STR_LEN / 4];
|
---|
372 |
|
---|
373 | /**
|
---|
374 | * Devices to back up as biggiefiles.
|
---|
375 | *
|
---|
376 | * This is useful for backing up NTFS partitions.
|
---|
377 | * @c ntfsclone is used to back up only the used sectors, so the space tradeoff is not bad.
|
---|
378 | * However, several caveats apply to such a partition:
|
---|
379 | * - It must not be mounted during the backup
|
---|
380 | * - It must be in a format that ntfsclone knows how to handle, i.e. NTFS
|
---|
381 | * - It cannot be verified during the verify or compare phase
|
---|
382 | * - It may not be resized or selectively restored at restore-time (all or nothing)
|
---|
383 | *
|
---|
384 | * This is a useful feature, but use at your own risk.
|
---|
385 | */
|
---|
386 | char image_devs[MAX_STR_LEN / 4];
|
---|
387 |
|
---|
388 | /**
|
---|
389 | * The compression level (1-9) to use. 0 disables compression.
|
---|
390 | */
|
---|
391 | int compression_level;
|
---|
392 |
|
---|
393 | /**
|
---|
394 | * If TRUE, then use @c lzop to compress data.
|
---|
395 | * This is used mainly in estimates. The backup/restore may or may
|
---|
396 | * not work if you do not set this. You should also set @p zip_exe
|
---|
397 | * and @p zip_suffix.
|
---|
398 | */
|
---|
399 | bool use_lzo;
|
---|
400 |
|
---|
401 | /**
|
---|
402 | * A filename containing a list of extensions, one per line, to not
|
---|
403 | * compress. If this is set to "", afio will still exclude a set of well-known
|
---|
404 | * compressed files from compression, but biggiefiles that are compressed
|
---|
405 | * will be recompressed again.
|
---|
406 | */
|
---|
407 | char do_not_compress_these[MAX_STR_LEN / 2];
|
---|
408 |
|
---|
409 | /**
|
---|
410 | * If TRUE, then we should verify a backup.
|
---|
411 | */
|
---|
412 | bool verify_data;
|
---|
413 |
|
---|
414 | /**
|
---|
415 | * If TRUE, then we should back up some data.
|
---|
416 | */
|
---|
417 | bool backup_data;
|
---|
418 |
|
---|
419 | /**
|
---|
420 | * If TRUE, then we should restore some data.
|
---|
421 | */
|
---|
422 | bool restore_data;
|
---|
423 |
|
---|
424 |
|
---|
425 | /**
|
---|
426 | * If TRUE, then we should backup/restore using star, not afio
|
---|
427 | */
|
---|
428 | bool use_star;
|
---|
429 |
|
---|
430 |
|
---|
431 | /**
|
---|
432 | * Size of internal block reads/writes
|
---|
433 | */
|
---|
434 | long internal_tape_block_size;
|
---|
435 |
|
---|
436 | /**
|
---|
437 | * If TRUE, we're making a CD that will autonuke without confirmation when booted.
|
---|
438 | */
|
---|
439 | bool disaster_recovery;
|
---|
440 |
|
---|
441 | /**
|
---|
442 | * The directory we're backing up to.
|
---|
443 | * If backup_media_type is @b iso, then this is that directory.
|
---|
444 | * If backup_media_type is anything else, this is ignored.
|
---|
445 | */
|
---|
446 | char isodir[MAX_STR_LEN / 4];
|
---|
447 |
|
---|
448 | /**
|
---|
449 | * The prefix to put in front of media number
|
---|
450 | * If backup_media_type is @b iso, then this is the prefix for the filename
|
---|
451 | * If backup_media_type is anything else, this is ignored.
|
---|
452 | */
|
---|
453 | char prefix[MAX_STR_LEN / 4];
|
---|
454 |
|
---|
455 | /**
|
---|
456 | * The scratch directory to use.
|
---|
457 | * This is the "stage" that the CD image is made directly from.
|
---|
458 | * As such, it needs to be at least as large as the largest CD/DVD/ISO.
|
---|
459 | */
|
---|
460 | char scratchdir[MAX_STR_LEN / 4];
|
---|
461 |
|
---|
462 | /**
|
---|
463 | * The temp directory to use.
|
---|
464 | * This is where filesets are stored by the archival threads before
|
---|
465 | * the main thread moves them to the scratchdir. You don't need a lot
|
---|
466 | * of space here.
|
---|
467 | */
|
---|
468 | char tmpdir[MAX_STR_LEN / 4];
|
---|
469 |
|
---|
470 | /**
|
---|
471 | * The optimal size for each fileset. This is set automatically in
|
---|
472 | * post_param_configuration() based on your @p backup_media_type; you
|
---|
473 | * needn't set it yourself.
|
---|
474 | */
|
---|
475 | long optimal_set_size;
|
---|
476 |
|
---|
477 | /**
|
---|
478 | * The type of media we're backing up to.
|
---|
479 | */
|
---|
480 | t_bkptype backup_media_type;
|
---|
481 | // bool blank_dvd_first;
|
---|
482 |
|
---|
483 | /**
|
---|
484 | * Whether we should use a premade filelist or generate our own.
|
---|
485 | * If TRUE, then we generate our own filelist from the directories in @p include_paths.
|
---|
486 | * If FALSE, then we use the filelist whose name is specified in @p include_paths.
|
---|
487 | */
|
---|
488 | bool make_filelist;
|
---|
489 |
|
---|
490 | /**
|
---|
491 | * Directories to back up, or (if !make_filelist) the filelist to use.
|
---|
492 | * In the former case, multiple directories should be separated by spaces.
|
---|
493 | * If you do nothing, "/" will be used.
|
---|
494 | */
|
---|
495 | char include_paths[MAX_STR_LEN*4];
|
---|
496 |
|
---|
497 | /**
|
---|
498 | * Directories to NOT back up. Ignored if make_filelist == FALSE.
|
---|
499 | * Multiple directories should be separated by spaces. /tmp, /proc,
|
---|
500 | * the scratchdir, and the tempdir are automatically excluded.
|
---|
501 | */
|
---|
502 | char exclude_paths[MAX_STR_LEN*4];
|
---|
503 |
|
---|
504 | /**
|
---|
505 | * The path to restore files relative to during a restore.
|
---|
506 | * This is useful if you want to extract the files (to test, for example)
|
---|
507 | * without overwriting the old ones. Ignored during a backup.
|
---|
508 | */
|
---|
509 | char restore_path[MAX_STR_LEN];
|
---|
510 |
|
---|
511 | /**
|
---|
512 | * A command to call BEFORE making an ISO image.
|
---|
513 | */
|
---|
514 | char call_before_iso[MAX_STR_LEN];
|
---|
515 |
|
---|
516 | /**
|
---|
517 | * A command to call to make an ISO image.
|
---|
518 | */
|
---|
519 | char call_make_iso[MAX_STR_LEN];
|
---|
520 |
|
---|
521 | /**
|
---|
522 | * A command to call to burn the ISO image.
|
---|
523 | */
|
---|
524 | char call_burn_iso[MAX_STR_LEN];
|
---|
525 |
|
---|
526 | /**
|
---|
527 | * A command to call AFTER making an ISO image.
|
---|
528 | */
|
---|
529 | char call_after_iso[MAX_STR_LEN];
|
---|
530 |
|
---|
531 | /**
|
---|
532 | * Path to the user's kernel, or "FAILSAFE" or "SUCKS" to use the kernel
|
---|
533 | * included with Mindi.
|
---|
534 | */
|
---|
535 | char kernel_path[MAX_STR_LEN];
|
---|
536 |
|
---|
537 | /**
|
---|
538 | * The NFS mount to back up to/restore from.
|
---|
539 | * If backup_media_type is not @b nfs, this is ignored.
|
---|
540 | * It must contain a colon, and the server's address should be in dotted-decimal IP
|
---|
541 | * address form. (Domain names will be resolved in post_param_configuration().)
|
---|
542 | */
|
---|
543 | char nfs_mount[MAX_STR_LEN];
|
---|
544 |
|
---|
545 | /**
|
---|
546 | * The directory, relative to the root of @p nfs_mount, to put
|
---|
547 | * the backups in.
|
---|
548 | */
|
---|
549 | char nfs_remote_dir[MAX_STR_LEN];
|
---|
550 |
|
---|
551 | /**
|
---|
552 | * A tarball containing a program called "usr/bin/post-nuke" that will be run
|
---|
553 | * after nuking the system. If "", do not use a post-nuke tarball.
|
---|
554 | */
|
---|
555 | char postnuke_tarball[MAX_STR_LEN];
|
---|
556 |
|
---|
557 | /**
|
---|
558 | * If TRUE, then pass cdrecord the argument "blank=fast" to wipe the CDs before
|
---|
559 | * writing to them. This has no effect for DVDs.
|
---|
560 | */
|
---|
561 | bool wipe_media_first;
|
---|
562 |
|
---|
563 | // patch by Herman Kuster
|
---|
564 | /**
|
---|
565 | * The differential level of this backup. Currently only 0 (full backup) and 1
|
---|
566 | * (files changed since last full backup) are supported.
|
---|
567 | */
|
---|
568 | int differential;
|
---|
569 | // end patch
|
---|
570 |
|
---|
571 | /**
|
---|
572 | * If TRUE, then don't eject media when backing up or restoring.
|
---|
573 | */
|
---|
574 | bool please_dont_eject;
|
---|
575 |
|
---|
576 | /**
|
---|
577 | * The speed of the CD-R[W] drive.
|
---|
578 | */
|
---|
579 | int cdrw_speed;
|
---|
580 |
|
---|
581 | /**
|
---|
582 | * If TRUE, then cdrecord will be passed some flags to help compensate for PCs
|
---|
583 | * with eccentric CD-ROM drives. If it has BurnProof technology, or is in a laptop,
|
---|
584 | * it probably falls into this category.
|
---|
585 | */
|
---|
586 | bool manual_cd_tray;
|
---|
587 |
|
---|
588 | /**
|
---|
589 | * If TRUE, do not make the first CD bootable. This is dangerous but it saves a minute
|
---|
590 | * or so. It is useful in testing. Use with care.
|
---|
591 | */
|
---|
592 | bool nonbootable_backup;
|
---|
593 |
|
---|
594 | /**
|
---|
595 | * If TRUE, make the bootable CD use LILO/ELILO. If FALSE, use isolinux (the default).
|
---|
596 | */
|
---|
597 | bool make_cd_use_lilo;
|
---|
598 | };
|
---|
599 |
|
---|
600 |
|
---|
601 |
|
---|
602 | /**
|
---|
603 | * A node in a directory structure.
|
---|
604 | * Its internals are managed by load_filelist() et al; you only need to keep track of the top node.
|
---|
605 | * @bug My understanding of this structure is horrendously incomplete. Could you please fill in the details?
|
---|
606 | */
|
---|
607 | struct s_node {
|
---|
608 | /**
|
---|
609 | * The character this node contains.
|
---|
610 | */
|
---|
611 | char ch;
|
---|
612 |
|
---|
613 | /**
|
---|
614 | * The node to the right of this one.
|
---|
615 | */
|
---|
616 | struct s_node *right;
|
---|
617 |
|
---|
618 | /**
|
---|
619 | * The node below this one.
|
---|
620 | */
|
---|
621 | struct s_node *down;
|
---|
622 |
|
---|
623 | /**
|
---|
624 | * If TRUE, then this node is selected (for restore, for example).
|
---|
625 | */
|
---|
626 | bool selected;
|
---|
627 |
|
---|
628 | /**
|
---|
629 | * If TRUE, then we want to see the directories below this one.
|
---|
630 | */
|
---|
631 | bool expanded;
|
---|
632 | };
|
---|
633 |
|
---|
634 |
|
---|
635 |
|
---|
636 | /**
|
---|
637 | * A structure to wrap a FIFO device for writing to a tape/CD stream.
|
---|
638 | * @bug Is this structure used (w/the move to a standalone @c buffer and all)?
|
---|
639 | */
|
---|
640 | struct s_wrapfifo {
|
---|
641 | /**
|
---|
642 | * The device we write to or read from (a FIFO).
|
---|
643 | */
|
---|
644 | char public_device[MAX_STR_LEN / 4];
|
---|
645 |
|
---|
646 | /**
|
---|
647 | * The actual device that data from the FIFO should be buffered and written to.
|
---|
648 | */
|
---|
649 | char private_device[MAX_STR_LEN / 4];
|
---|
650 |
|
---|
651 | /**
|
---|
652 | * A buffer for holding data read from the FIFO.
|
---|
653 | */
|
---|
654 | char internal_buffer_IN_fifo[MAX_STR_LEN / 4];
|
---|
655 |
|
---|
656 | /**
|
---|
657 | * A buffer for holding data to be written to the FIFO.
|
---|
658 | */
|
---|
659 | char internal_buffer_OUT_fifo[MAX_STR_LEN / 4];
|
---|
660 |
|
---|
661 | /**
|
---|
662 | * If TRUE, then we're writing directly to the tape streamer; if FALSE, we're writing to the FIFO.
|
---|
663 | */
|
---|
664 | bool writing_to_private_device;
|
---|
665 | };
|
---|
666 |
|
---|
667 |
|
---|
668 |
|
---|
669 | /**
|
---|
670 | * Information about one file.
|
---|
671 | * This is used as the "zeroth slice" of a biggiefile to be able to recreate
|
---|
672 | * its name, mode, owner, group, mtime, atime, and to be able to verify it in Compare Mode.
|
---|
673 | */
|
---|
674 | struct s_filename_and_lstat_info {
|
---|
675 | /**
|
---|
676 | * The filename of the file this structure is describing.
|
---|
677 | */
|
---|
678 | char filename[MAX_STR_LEN];
|
---|
679 |
|
---|
680 | /**
|
---|
681 | * The MD5 checksum (32 hex digits) of this file.
|
---|
682 | */
|
---|
683 | char checksum[64];
|
---|
684 |
|
---|
685 | /**
|
---|
686 | * Unused; kept for backwards compatibility.
|
---|
687 | */
|
---|
688 | char for_backward_compatibility;
|
---|
689 |
|
---|
690 | /**
|
---|
691 | * The stat buffer for this file.
|
---|
692 | * Generated with a call to <tt>lstat(&(struc->properties))</tt> where @p struc
|
---|
693 | * is the @p s_filename_and_lstat_info.
|
---|
694 | */
|
---|
695 | struct stat properties;
|
---|
696 | bool use_ntfsprog;
|
---|
697 | };
|
---|
698 |
|
---|
699 |
|
---|
700 | /**
|
---|
701 | * A file with associated severity if it differed in a verify or compare.
|
---|
702 | */
|
---|
703 | struct s_filelist_entry {
|
---|
704 | /**
|
---|
705 | * The name of the file.
|
---|
706 | */
|
---|
707 | char filename[MAX_STR_LEN];
|
---|
708 | /**
|
---|
709 | * The severity if the file has changed between the backup and live filesystem.
|
---|
710 | * This is on a scale from 1 to 3, 3 being the most important. File patterns which cause
|
---|
711 | * a severity of 1 are:
|
---|
712 | * - /etc/adjtime
|
---|
713 | * - /etc/mtab
|
---|
714 | * - /var/lib/slocate
|
---|
715 | * - /var/lock
|
---|
716 | * - /var/log
|
---|
717 | * - /var/spool (except /var/spool/mail)
|
---|
718 | * - /var/run
|
---|
719 | * - *~
|
---|
720 | * - *.log
|
---|
721 | * - *cache*
|
---|
722 | * - other temporary or unimportant files
|
---|
723 | *
|
---|
724 | * File patterns which cause a severity of 2 are:
|
---|
725 | * - /var (except /var/lock, /var/log, /var/run, /var/spool)
|
---|
726 | * - /home
|
---|
727 | * - /root/.*
|
---|
728 | * - /var/lib (except /var/lib/slocate, /var/lib/rpm)
|
---|
729 | * - /var/spool/mail
|
---|
730 | *
|
---|
731 | * File patterns which cause a severity of 3 are:
|
---|
732 | * - /etc (except /etc/adjtime, /etc/mtab)
|
---|
733 | * - /root (except /root/.*)
|
---|
734 | * - /usr
|
---|
735 | * - /var/lib/rpm
|
---|
736 | * - Anything else not matched explicitly
|
---|
737 | *
|
---|
738 | * @see severity_of_difference
|
---|
739 | */
|
---|
740 | int severity;
|
---|
741 | };
|
---|
742 |
|
---|
743 |
|
---|
744 | /**
|
---|
745 | * A list of @c s_filelist_entry.
|
---|
746 | */
|
---|
747 | struct s_filelist {
|
---|
748 | /**
|
---|
749 | * The number of entries in the list.
|
---|
750 | */
|
---|
751 | int entries;
|
---|
752 |
|
---|
753 | /**
|
---|
754 | * The entries themselves, all @p entries of them.
|
---|
755 | */
|
---|
756 | struct s_filelist_entry el[ARBITRARY_MAXIMUM];
|
---|
757 | };
|
---|
758 |
|
---|
759 |
|
---|
760 | /**
|
---|
761 | * An entry in the tape catalog.
|
---|
762 | */
|
---|
763 | struct s_tapecat_entry {
|
---|
764 | /**
|
---|
765 | * The type of archive it is (afioball, slice, or something else).
|
---|
766 | */
|
---|
767 | t_archtype type;
|
---|
768 |
|
---|
769 | /**
|
---|
770 | * The filelist number or biggiefile (not slice!) number.
|
---|
771 | */
|
---|
772 | int number;
|
---|
773 |
|
---|
774 | /**
|
---|
775 | * The slice number if it's a biggiefile.
|
---|
776 | */
|
---|
777 | long aux;
|
---|
778 |
|
---|
779 | /**
|
---|
780 | * The tape position at the point this entry was added.
|
---|
781 | */
|
---|
782 | long long tape_posK;
|
---|
783 |
|
---|
784 | /**
|
---|
785 | * The filename of the file cataloged here.
|
---|
786 | */
|
---|
787 | char fname[MAX_TAPECAT_FNAME_LEN + 1];
|
---|
788 | };
|
---|
789 |
|
---|
790 |
|
---|
791 | /**
|
---|
792 | * A tape catalog, made of a list of @p s_tapecat_entry.
|
---|
793 | */
|
---|
794 | struct s_tapecatalog {
|
---|
795 | /**
|
---|
796 | * The number of entries in the tape catalog.
|
---|
797 | */
|
---|
798 | int entries;
|
---|
799 |
|
---|
800 | /**
|
---|
801 | * The entries themselves, all @p entries of them.
|
---|
802 | */
|
---|
803 | struct s_tapecat_entry el[MAX_TAPECATALOG_ENTRIES];
|
---|
804 | };
|
---|