source: MondoRescue/branches/stable/mondo/src/common/libmondo-mountlist.c@ 1924

Last change on this file since 1924 was 1924, checked in by Bruno Cornec, 16 years ago

svn merge -r 1902:1923 $SVN_M/branches/2.2.6
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1/* subroutines for handling mountlist
2 $Id: libmondo-mountlist.c 1924 2008-04-17 23:41:41Z bruno $
3*/
4
5
6/**
7 * @file
8 * Functions which manipulate the mountlist.
9 */
10
11#include "my-stuff.h"
12#include "mondostructures.h"
13#include "libmondo-mountlist.h"
14#include "libmondo-raid-EXT.h"
15#include "libmondo-devices-EXT.h"
16#include "libmondo-tools-EXT.h"
17#include "libmondo-string-EXT.h"
18#include "newt-specific-EXT.h"
19
20#include "mr_mem.h"
21#include "mr_msg.h"
22#include "mr_gettext.h"
23
24/*@unused@*/
25//static char cvsid[] = "$Id: libmondo-mountlist.c 1924 2008-04-17 23:41:41Z bruno $";
26
27/* Reference to global bkpinfo */
28extern struct s_bkpinfo *bkpinfo;
29
30/**
31 * @addtogroup mountlistGroup
32 * @{
33 */
34/**
35 * Evaluate a drive within the mountlist for flaws. For example, too many
36 * primary partitions, the first logical isn't 5, duplicate partitions,
37 * ovar-allocated or under-allocated, unsupported format, silly size, or
38 * silly mountpoint. Under FreeBSD, this checks the disklabel too, for the above-mentioned
39 * errors as well as too many BSD partitions (more than 'h').
40 * @param mountlist The mountlist to check.
41 * @param drive The drive to check (e.g. @c /dev/hda).
42 * @param flaws_str Where to put the found flaws (human-readable).
43 * @return The number of flaws found (0 for success).
44 * @see evaluate_mountlist
45 */
46int evaluate_drive_within_mountlist(struct mountlist_itself *mountlist,
47 char *drive, char *flaws_str)
48#ifdef __FreeBSD__
49{
50// FreeBSD-specific version of evaluate_drive_within_mountlist()
51 /*@ int ************************************************************* */
52 int prev_part_no = 0;
53 int curr_part_no = 0;
54 int pos = 0, npos = 0;
55 int res = 0;
56 int mountpoint_copies = 0;
57 int device_copies = 0;
58 int i = 0;
59 int cur_sp_no = 0;
60 int prev_sp_no = 0;
61 int foundsome = FALSE;
62
63 /*@ buffers ******************************************************** */
64 char *tmp = NULL;
65 char *device = NULL;
66 char *ndevice = NULL;
67 // BERLIOS : useless ? char *mountpoint;
68
69 /*@ long *********************************************************** */
70 long physical_drive_size = 0L;
71 long amount_allocated = 0L;
72
73 /*@ pointers ******************************************************* */
74 char *part_table_fmt = NULL;
75
76 /*@ initialize ***************************************************** */
77 flaws_str[0] = '\0';
78 prev_part_no = 0;
79
80
81 physical_drive_size = get_phys_size_of_drive(drive);
82
83 if (physical_drive_size < 0) {
84 mr_asprintf(&tmp, " %s does not exist.", drive);
85 strcat(flaws_str, tmp);
86 } else {
87 mr_asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
88 }
89 log_it(tmp);
90 mr_free(tmp);
91
92
93 /* check DD */
94 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
95 mr_asprintf(&device, "%s%c", drive, cur_sp_no);
96 if (find_device_in_mountlist(mountlist, device) >= 0)
97 foundsome = TRUE;
98 mr_free(device);
99 }
100 if (foundsome) {
101 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
102 mr_asprintf(&device, "%s%c", drive, cur_sp_no);
103 pos = find_device_in_mountlist(mountlist, device);
104 if (pos < 0) {
105 continue;
106 }
107 // BERLIOS : useless ? mr_asprintf(&mountpoint, mountlist->el[pos].mountpoint);
108 /* is it too big? */
109 if (curr_part_no > 'h') {
110 mr_asprintf(&tmp, " Can only have up to 'h' in disklabel.");
111 log_it(tmp);
112 strcat(flaws_str, tmp);
113 mr_free(tmp);
114 res++;
115 }
116 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
117 for (i = 0, mountpoint_copies = 0, device_copies = 0;
118 i < mountlist->entries; i++) {
119 if (!strcmp(device, mountlist->el[i].device)) {
120 device_copies++;
121 }
122 }
123 if (device_copies > 1) {
124 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
125 device);
126 if (!strstr(flaws_str, tmp)) {
127 log_it(tmp);
128 strcat(flaws_str, tmp);
129 res++;
130 }
131 mr_free(tmp);
132 }
133 /* silly partition size? */
134 if (mountlist->el[pos].size < 8192
135 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
136 mr_asprintf(&tmp, " %s is tiny!", device);
137 log_it(tmp);
138 strcat(flaws_str, tmp);
139 mr_free(tmp);
140 res++;
141 }
142 /* mountpoint should begin with / unless it is swap, lvm or raid */
143 if (strcmp(mountlist->el[pos].mountpoint, "swap")
144 && strcmp(mountlist->el[pos].mountpoint, "lvm")
145 && strcmp(mountlist->el[pos].mountpoint, "raid")
146 && strcmp(mountlist->el[pos].mountpoint, "image")
147 && strcmp(mountlist->el[pos].mountpoint, "none")
148 && mountlist->el[pos].mountpoint[0] != '/') {
149 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
150 log_it(tmp);
151 strcat(flaws_str, tmp);
152 mr_free(tmp);
153 res++;
154 }
155 /* is format sensible? */
156 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
157 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
158 log_it(tmp);
159 strcat(flaws_str, tmp);
160 mr_free(tmp);
161 res++;
162 }
163 amount_allocated += mountlist->el[pos].size / 1024;
164 prev_sp_no = cur_sp_no;
165
166 mr_free(device);
167 }
168 }
169
170 npos = pos = 0;
171 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
172 malloc_string(device);
173 build_partition_name(device, drive, curr_part_no);
174 pos = find_device_in_mountlist(mountlist, device);
175 npos = 0;
176 for (cur_sp_no = 'a'; cur_sp_no <= 'h'; cur_sp_no++) {
177 mr_asprintf(&ndevice, "%ss%d%c", device, curr_part_no, cur_sp_no);
178 if (find_device_in_mountlist(mountlist, ndevice) >= 0)
179 npos++;
180 mr_free(ndevice);
181 }
182 mr_free(device);
183
184 if (((pos >= 0) || npos) && foundsome) {
185 sprintf(flaws_str + strlen(flaws_str),
186 " %s has both DD and PC-style partitions.", drive);
187 return ++res; // fatal error
188 }
189
190 build_partition_name(device, drive, curr_part_no);
191 if (pos > 0 && !npos) {
192 /* gap in the partition list? */
193 if (curr_part_no - prev_part_no > 1) {
194 if (prev_part_no == 0) {
195 mr_asprintf(&tmp, " Gap prior to %s.", device);
196 log_it(tmp);
197 strcat(flaws_str, tmp);
198 mr_free(tmp);
199 res++;
200 } else if (curr_part_no > 5
201 || (curr_part_no <= 4 && prev_part_no > 0)) {
202 mr_asprintf(&tmp, " Gap between %ss%d and %d.", drive,
203 prev_part_no, curr_part_no);
204 log_it(tmp);
205 strcat(flaws_str, tmp);
206 mr_free(tmp);
207 res++;
208 }
209 }
210 /* GPT allows more than 4 primary partitions */
211 part_table_fmt = which_partition_format(drive);
212 /* no spare primary partitions to help accommodate the logical(s)? */
213 if ((curr_part_no >= 5 && prev_part_no == 4)
214 && (strcmp(part_table_fmt, "MBR") == 0)) {
215 mr_asprintf(&tmp, " Partition %ss4 is occupied.", drive);
216 log_it(tmp);
217 strcat(flaws_str, tmp);
218 mr_free(tmp);
219 res++;
220 }
221 /* does partition /dev/adXsY exist more than once in the mountlist? */
222 for (i = 0, mountpoint_copies = 0, device_copies = 0;
223 i < mountlist->entries; i++) {
224 if (!strcmp(device, mountlist->el[i].device)) {
225 device_copies++;
226 }
227 }
228 if (device_copies > 1) {
229 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
230 device);
231 if (!strstr(flaws_str, tmp)) {
232 log_it(tmp);
233 strcat(flaws_str, tmp);
234 res++;
235 }
236 mr_free(tmp);
237 }
238 /* silly partition size? */
239 if (mountlist->el[pos].size < 8192
240 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
241 mr_asprintf(&tmp, " %s is tiny!", device);
242 log_it(tmp);
243 strcat(flaws_str, tmp);
244 mr_free(tmp);
245 res++;
246 }
247 /* mountpoint should begin with / unless it is swap, lvm or raid */
248 if (strcmp(mountlist->el[pos].mountpoint, "swap")
249 && strcmp(mountlist->el[pos].mountpoint, "lvm")
250 && strcmp(mountlist->el[pos].mountpoint, "raid")
251 && strcmp(mountlist->el[pos].mountpoint, "image")
252 && strcmp(mountlist->el[pos].mountpoint, "none")
253 && mountlist->el[pos].mountpoint[0] != '/') {
254 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
255 log_it(tmp);
256 strcat(flaws_str, tmp);
257 mr_free(tmp);
258 res++;
259 }
260 /* is format sensible? */
261 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
262 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
263 log_it(tmp);
264 strcat(flaws_str, tmp);
265 mr_free(tmp);
266 res++;
267 }
268 } else {
269 /* Check subpartitions */
270 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
271 mr_asprintf(&device, "%ss%d%c", drive, curr_part_no, cur_sp_no);
272 pos = find_device_in_mountlist(mountlist, device);
273 if (pos < 0) {
274 continue;
275 }
276 // BERLIOS : useless ? mr_asprintf(&mountpoint, mountlist->el[pos].mountpoint);
277 /* is it too big? */
278 if (curr_part_no > 'h') {
279 mr_asprintf(&tmp,
280 " Can only have up to 'h' in disklabel.");
281 log_it(tmp);
282 strcat(flaws_str, tmp);
283 mr_free(tmp);
284 res++;
285 }
286 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
287 for (i = 0, mountpoint_copies = 0, device_copies = 0;
288 i < mountlist->entries; i++) {
289 if (!strcmp(device, mountlist->el[i].device)) {
290 device_copies++;
291 }
292 }
293 if (device_copies > 1) {
294 mr_asprintf(&tmp, " %s %s's.",
295 number_to_text(device_copies), device);
296 if (!strstr(flaws_str, tmp)) {
297 log_it(tmp);
298 strcat(flaws_str, tmp);
299 res++;
300 }
301 mr_free(tmp);
302 }
303 /* silly partition size? */
304 if (mountlist->el[pos].size < 8192
305 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
306 mr_asprintf(&tmp, " %s is tiny!", device);
307 log_it(tmp);
308 strcat(flaws_str, tmp);
309 mr_free(tmp);
310 res++;
311 }
312 /* mountpoint should begin with / unless it is swap, lvm or raid */
313 if (strcmp(mountlist->el[pos].mountpoint, "swap")
314 && strcmp(mountlist->el[pos].mountpoint, "lvm")
315 && strcmp(mountlist->el[pos].mountpoint, "raid")
316 && strcmp(mountlist->el[pos].mountpoint, "image")
317 && strcmp(mountlist->el[pos].mountpoint, "none")
318 && mountlist->el[pos].mountpoint[0] != '/') {
319 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
320 log_it(tmp);
321 strcat(flaws_str, tmp);
322 mr_free(tmp);
323 res++;
324 }
325 /* is format sensible? */
326 if (!is_this_a_valid_disk_format
327 (mountlist->el[pos].format)) {
328 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
329 log_it(tmp);
330 strcat(flaws_str, tmp);
331 mr_free(tmp);
332 res++;
333 }
334 amount_allocated += mountlist->el[pos].size / 1024;
335 prev_sp_no = cur_sp_no;
336 }
337 }
338 mr_free(device);
339
340 /* OK, continue with main loop */
341 amount_allocated += mountlist->el[pos].size / 1024;
342 prev_part_no = curr_part_no;
343 }
344
345 /* Over-allocated the disk? Unallocated space on disk? */
346 if (amount_allocated > physical_drive_size) // Used to be +1, but what if you're 1 MB too high?
347 {
348 mr_asprintf(&tmp, " %ld MB over-allocated on %s.",
349 amount_allocated - physical_drive_size, drive);
350 log_it(tmp);
351 strcat(flaws_str, tmp);
352 mr_free(tmp);
353 res++;
354 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
355 mr_asprintf(&tmp, " %ld MB unallocated on %s.",
356 physical_drive_size - amount_allocated, drive);
357 log_it(tmp);
358 strcat(flaws_str, tmp);
359 mr_free(tmp);
360 }
361 if (res) {
362 return (FALSE);
363 } else {
364 return (TRUE);
365 }
366}
367
368#else
369// Linux-specific version of evaluate_drive_within_mountlist()
370{
371
372 /*@ int ************************************************************* */
373 int prev_part_no = 0;
374 int curr_part_no = 0;
375 int pos = 0;
376 int res = 0;
377 int mountpoint_copies = 0;
378 int device_copies = 0;
379 int i = 0;
380
381 /*@ buffers ******************************************************** */
382 char *tmp = NULL;
383 char *device = NULL;
384
385 /*@ long *********************************************************** */
386 long physical_drive_size = 0L;
387 long amount_allocated = 0L;
388
389 /*@ pointers ******************************************************* */
390 char *part_table_fmt = NULL;
391
392 /*@ initialize ***************************************************** */
393 assert_string_is_neither_NULL_nor_zerolength(drive);
394 assert(mountlist != NULL);
395 assert(flaws_str != NULL);
396
397 flaws_str[0] = '\0';
398 prev_part_no = 0;
399
400 physical_drive_size = get_phys_size_of_drive(drive);
401
402 if (physical_drive_size < 0) {
403 mr_asprintf(&tmp, " %s does not exist.", drive);
404 strcat(flaws_str, tmp);
405 res++;
406 mr_msg(1, tmp);
407 mr_free(tmp);
408 return (FALSE);
409 } else {
410 mr_asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
411 log_it(tmp);
412 mr_free(tmp);
413 }
414
415 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
416 malloc_string(device);
417 build_partition_name(device, drive, curr_part_no);
418 pos = find_device_in_mountlist(mountlist, device);
419 if (pos < 0) {
420 continue;
421 }
422 /* gap in the partition list? */
423 if (curr_part_no - prev_part_no > 1) {
424 if (prev_part_no == 0) {
425 mr_asprintf(&tmp, " Gap prior to %s.", device);
426 log_it(tmp);
427 strcat(flaws_str, tmp);
428 mr_free(tmp);
429 res++;
430 } else if (curr_part_no > 5
431 || (curr_part_no <= 4 && prev_part_no > 0)) {
432 mr_asprintf(&tmp, " Gap on %s between %d and %d.", drive,
433 prev_part_no, curr_part_no);
434 log_it(tmp);
435 strcat(flaws_str, tmp);
436 mr_free(tmp);
437 res++;
438 }
439 }
440 /* GPT allows more than 4 primary partitions */
441 part_table_fmt = which_partition_format(drive);
442 /* no spare primary partitions to help accommodate the logical(s)? */
443 if ((curr_part_no >= 5 && prev_part_no == 4)
444 && (strcmp(part_table_fmt, "MBR") == 0)) {
445 mr_asprintf(&tmp, " Partition 4 of %s is occupied.", drive);
446 log_it(tmp);
447 strcat(flaws_str, tmp);
448 mr_free(tmp);
449 res++;
450 }
451 /* does partition /dev/hdNX exist more than once in the mountlist? */
452 for (i = 0, mountpoint_copies = 0, device_copies = 0;
453 i < mountlist->entries; i++) {
454 if (!strcmp(device, mountlist->el[i].device)) {
455 device_copies++;
456 }
457 }
458 if (device_copies > 1) {
459 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
460 device);
461 if (!strstr(flaws_str, tmp)) {
462 log_it(tmp);
463 strcat(flaws_str, tmp);
464 res++;
465 }
466 mr_free(tmp);
467 }
468 /* silly partition size? */
469 if (mountlist->el[pos].size < 8192
470 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
471 mr_asprintf(&tmp, " %s is tiny!", device);
472 log_it(tmp);
473 strcat(flaws_str, tmp);
474 mr_free(tmp);
475 res++;
476 }
477 /* mountpoint should begin with / unless it is swap, lvm or raid */
478 if (strcmp(mountlist->el[pos].mountpoint, "swap")
479 && strcmp(mountlist->el[pos].mountpoint, "lvm")
480 && strcmp(mountlist->el[pos].mountpoint, "raid")
481 && strcmp(mountlist->el[pos].mountpoint, "image")
482 && mountlist->el[pos].mountpoint[0] != '/') {
483 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
484 log_it(tmp);
485 strcat(flaws_str, tmp);
486 mr_free(tmp);
487 res++;
488 }
489 /* is format sensible? */
490 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
491 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
492 log_it(tmp);
493 strcat(flaws_str, tmp);
494 mr_free(tmp);
495 res++;
496 }
497 /* OK, continue with main loop */
498 amount_allocated += mountlist->el[pos].size / 1024;
499 prev_part_no = curr_part_no;
500 mr_free(device);
501
502 }
503
504 /* Over-allocated the disk? Unallocated space on disk? */
505 if (amount_allocated > physical_drive_size + 1) {
506 mr_asprintf(&tmp, " %ld MB over-allocated on %s.",
507 amount_allocated - physical_drive_size, drive);
508 log_it(tmp);
509 strcat(flaws_str, tmp);
510 mr_free(tmp);
511 res++;
512 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
513 mr_asprintf(&tmp, " %ld MB unallocated on %s.",
514 physical_drive_size - amount_allocated, drive);
515 log_it(tmp);
516 strcat(flaws_str, tmp);
517 mr_free(tmp);
518 }
519
520 if (res) {
521 return (FALSE);
522 } else {
523 return (TRUE);
524 }
525}
526#endif
527
528
529/**
530 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
531 * for each drive, and then spreads the flaws across three lines.
532 * @param mountlist The mountlist to evaluate.
533 * @param flaws_str_A Where to put the first line listing errors found.
534 * @param flaws_str_B Where to put the second line listing errors found.
535 * @param flaws_str_C Where to put the third line listing errors found.
536 * @return The number of flaws found (0 for success).
537 * @see evaluate_drive_within_mountlist
538 */
539int
540evaluate_mountlist(struct mountlist_itself *mountlist, char *flaws_str_A,
541 char *flaws_str_B, char *flaws_str_C)
542{
543
544 /*@ buffer *********************************************************** */
545 struct list_of_disks *drivelist = NULL;
546 char *tmp = NULL;
547 char *flaws_str = NULL;
548
549 /*@ int ************************************************************** */
550 int i = 0;
551 int res = 0;
552
553 /*@ initialize ******************************************************* */
554
555 drivelist = mr_malloc(sizeof(struct list_of_disks));
556 malloc_string(tmp);
557 malloc_string(flaws_str);
558 assert(mountlist != NULL);
559 assert(flaws_str_A != NULL);
560 assert(flaws_str_B != NULL);
561 assert(flaws_str_C != NULL);
562 flaws_str[0] = '\0';
563
564 make_list_of_drives_in_mountlist(mountlist, drivelist);
565
566 log_it("Evaluating mountlist...");
567
568 for (i = 0; i < drivelist->entries; i++) {
569 if (strstr
570 (drivelist->el[i].device,
571 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
572 sprintf(tmp, " Not evaluating %s (I don't know how yet)",
573 drivelist->el[i].device);
574 log_it(tmp);
575 tmp[0] = '\0';
576 } else {
577 if (!evaluate_drive_within_mountlist
578 (mountlist, drivelist->el[i].device, tmp)) {
579 res++;
580 }
581 }
582 strcat(flaws_str, tmp);
583 }
584 res += look_for_duplicate_mountpoints(mountlist, flaws_str);
585 return (spread_flaws_across_three_lines
586 (flaws_str, flaws_str_A, flaws_str_B, flaws_str_C, res));
587}
588
589
590/**
591 * Find the index number of @p device in the mountlist.
592 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
593 * @param mountlist The mountlist to search in.
594 * @param device The device to search for.
595 * @return The zero-based index of the device, or -1 if it could not be found.
596 */
597int
598find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
599{
600
601 /*@ int ************************************************************** */
602 int i = 0;
603
604 assert(mountlist != NULL);
605 assert_string_is_neither_NULL_nor_zerolength(device);
606 for (i = 0;
607 i < mountlist->entries
608 && strcmp(mountlist->el[i].device, device) != 0; i++);
609
610 if (i == mountlist->entries) {
611 return (-1);
612 } else {
613 return (i);
614 }
615}
616
617
618/**
619 * Look for duplicate mountpoints in @p mountlist.
620 * @param mountlist The mountlist to check.
621 * @param flaws_str The flaws string to append the results to.
622 * @return The number of mountpoints that have duplicates, or 0 for success.
623 */
624int
625look_for_duplicate_mountpoints(struct mountlist_itself *mountlist,
626 char *flaws_str)
627{
628
629 /*@ int ************************************************************* */
630 int res = 0;
631 int currline = 0;
632 int i = 0;
633 int copies = 0;
634 int last_copy = 0;
635
636 /*@ buffetr ********************************************************* */
637 char *curr_mountpoint = NULL;
638 char *tmp = NULL;
639
640 assert(mountlist != NULL);
641 assert(flaws_str != NULL);
642
643 for (currline = 0; currline < mountlist->entries; currline++) {
644 mr_asprintf(&curr_mountpoint, mountlist->el[currline].mountpoint);
645 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries;
646 i++) {
647 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
648 && strcmp(mountlist->el[i].mountpoint, "lvm")
649 && strcmp(mountlist->el[i].mountpoint, "swap")) {
650 last_copy = i;
651 copies++;
652 }
653 }
654 if (copies > 1 && last_copy == currline
655 && strcmp(curr_mountpoint, "raid")) {
656 mr_asprintf(&tmp, " %s %s's.", number_to_text(copies),
657 curr_mountpoint);
658 strcat(flaws_str, tmp);
659 log_it(tmp);
660 mr_free(tmp);
661 res++;
662 }
663 mr_free(curr_mountpoint);
664 }
665 return (res);
666}
667
668
669/**
670 * Make a list of the drives mentioned in the mountlist.
671 * @param mountlist The mountlist to examine.
672 * @param drivelist Where to put the list of drives found.
673 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
674 */
675int
676make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
677 struct list_of_disks *drivelist)
678{
679
680 /*@ int ************************************************************* */
681 int lino;
682 int noof_drives;
683 int j;
684
685 /*@ buffers ********************************************************* */
686 char *drive = NULL;
687
688 long long size;
689
690 assert(mountlist != NULL);
691 assert(drivelist != NULL);
692 log_it("Making list of drives");
693 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
694
695 mr_asprintf(&drive, mountlist->el[lino].device);
696 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
697 mr_msg(8, "Not putting %s in list of drives: it's a virtual drive", drive);
698 continue;
699 }
700
701 size = mountlist->el[lino].size;
702 if (size == 0) {
703 mr_msg(8, "Not putting %s in list of drives: it has zero size (maybe an LVM volume)", drive);
704 continue;
705 }
706
707 mr_msg(8, "Putting %s with size %lli in list of drives", drive, size);
708
709 (void) truncate_to_drive_name(drive);
710 for (j = 0;
711 j < noof_drives
712 && strcmp(drivelist->el[j].device, drive) != 0; j++)
713 continue;
714 if (j == noof_drives) {
715 strcpy(drivelist->el[noof_drives++].device, drive);
716 }
717 mr_free(drive);
718
719 }
720 drivelist->entries = noof_drives;
721 mr_msg(8, "Made list of drives");
722
723 return (noof_drives);
724}
725
726
727/**
728 * Make a list of RAID partitions not currently associated with any RAID device.
729 * The user may add any of these partitions to the RAID device.
730 * @param output_list Where to put the list of unallocated RAID partitions.
731 * @param mountlist The mountlist to examine.
732 * @param raidlist The raidlist to examine.
733 */
734void make_list_of_unallocated_raid_partitions(struct mountlist_itself
735 *output_list,
736 struct mountlist_itself
737 *mountlist,
738 struct raidlist_itself
739 *raidlist)
740{
741
742 /*@ int ************************************************************* */
743 int items = 0;
744 int i = 0;
745 int used_by = 0;
746
747 /*@ buffers ********************************************************* */
748 char *tmp = NULL;
749
750 assert(output_list != NULL);
751 assert(mountlist != NULL);
752 assert(raidlist != NULL);
753 log_it("MLOURP -- starting");
754 items = 0;
755
756
757 for (i = 0; i < mountlist->entries; i++) {
758 if (strstr(mountlist->el[i].mountpoint, "raid")) {
759 used_by =
760 which_raid_device_is_using_this_partition(raidlist,
761 mountlist->el[i].
762 device);
763 if (used_by < 0) {
764 memcpy((void *) &output_list->el[items++],
765 (void *) &mountlist->el[i],
766 sizeof(struct mountlist_line));
767 mr_asprintf(&tmp,
768 "%s is available; user may choose to add it to raid device",
769 output_list->el[items - 1].device);
770 log_it(tmp);
771 mr_free(tmp);
772 }
773 }
774 }
775 output_list->entries = items;
776 log_it("MLUORP -- ending");
777}
778
779
780/**
781 * Get the size of a mountlist entry by the @c device field.
782 * @param mountlist The mountlist to search in.
783 * @param device The device to search for
784 * @return The size of the device (in KB), or -1 if it could not be found.
785 */
786long long
787size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
788 char *device)
789{
790 /*@ int ************************************************************** */
791 int i = 0;
792
793
794 assert(mountlist != NULL);
795 assert_string_is_neither_NULL_nor_zerolength(device);
796
797 for (i = 0;
798 i < mountlist->entries && strcmp(mountlist->el[i].device, device);
799 i++);
800 if (i == mountlist->entries) {
801 return (-1);
802 } else {
803 return (mountlist->el[i].size);
804 }
805}
806
807
808/**
809 * Load a file on disk into @p mountlist.
810 * The file on disk should consist of multiple lines, each containing 4 or 5
811 * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
812 * Comments begin with a '#' without any leading whitespace. Any duplicate
813 * entries are renamed.
814 * @param mountlist The mountlist to load into.
815 * @param fname The name of the file to load the mountlist from.
816 * @return 0 for success, 1 for failure.
817 */
818int load_mountlist(struct mountlist_itself *mountlist, char *fname)
819{
820 FILE *fin = NULL;
821 /* malloc ** */
822 char *incoming = NULL;
823 char *siz = NULL;
824 char *tmp = NULL;
825 char *p = NULL;
826
827 int items = 0;
828 int j = 0;
829 size_t n = 0;
830
831 assert(mountlist != NULL);
832 assert_string_is_neither_NULL_nor_zerolength(fname);
833
834 if (!(fin = fopen(fname, "r"))) {
835 log_it("Unable to open mountlist - '%s'", fname);
836 log_to_screen(_("Cannot open mountlist"));
837 return (1);
838 }
839 malloc_string(siz);
840 mr_getline(&incoming, &n, fin);
841 log_it("Loading mountlist...");
842 while (!feof(fin)) {
843#if linux
844 sscanf(incoming,
845 "%s %s %s %s %s",
846 mountlist->el[items].device,
847 mountlist->el[items].mountpoint,
848 mountlist->el[items].format,
849 siz, mountlist->el[items].label);
850#elif __FreeBSD__
851 sscanf(incoming,
852 "%s %s %s %s",
853 mountlist->el[items].device,
854 mountlist->el[items].mountpoint,
855 mountlist->el[items].format, siz);
856 strcpy(mountlist->el[items].label, "");
857#endif
858
859 if (!strcmp(mountlist->el[items].device, "/proc") ||
860 !strcmp(mountlist->el[items].device, "proc") ||
861 !strcmp(mountlist->el[items].device, "/sys") ||
862 !strcmp(mountlist->el[items].device, "sys") ||
863 !strcmp(mountlist->el[items].device, "/devpts") ||
864 !strcmp(mountlist->el[items].device, "devpts")
865 ) {
866 mr_msg(1,
867 "Ignoring %s in mountlist - not loading that line :) ",
868 mountlist->el[items].device);
869 mr_getline(&incoming, &n, fin);
870 continue;
871 }
872 mountlist->el[items].size = atoll(siz);
873 if (mountlist->el[items].device[0] != '\0'
874 && mountlist->el[items].device[0] != '#') {
875 if (items >= ARBITRARY_MAXIMUM) {
876 log_to_screen(_("Too many lines in mountlist.. ABORTING"));
877 finish(1);
878 }
879 for (j = 0;
880 j < items
881 && strcmp(mountlist->el[j].device,
882 mountlist->el[items].device); j++);
883 if (j < items) {
884 strcat(mountlist->el[items].device, "_dup");
885 mr_asprintf(&tmp,
886 "Duplicate entry in mountlist - renaming to %s",
887 mountlist->el[items].device);
888 log_it(tmp);
889 mr_free(tmp);
890 }
891 mr_asprintf(&tmp, mountlist->el[items].device);
892 if (strstr(tmp, "/dev/md/")) {
893 log_it("format_device() --- Contracting %s", tmp);
894 p = strrchr(tmp, '/');
895 if (p) {
896 *p = *(p + 1);
897 *(p + 1) = *(p + 2);
898 *(p + 2) = *(p + 3);
899 }
900 log_it("It was %s; it is now %s",
901 mountlist->el[items].device, tmp);
902 strcpy(mountlist->el[items].device, tmp);
903 }
904 mr_free(tmp);
905
906 log_it("%s %s %s %lld %s",
907 mountlist->el[items].device,
908 mountlist->el[items].mountpoint,
909 mountlist->el[items].format,
910 mountlist->el[items].size,
911 mountlist->el[items].label);
912 items++;
913 }
914 mr_getline(&incoming, &n, fin);
915 }
916 paranoid_fclose(fin);
917 mr_free(incoming);
918 mountlist->entries = items;
919
920 log_it("Mountlist loaded successfully.");
921 log_it("%d entries in mountlist", items);
922
923 mr_free(siz);
924 return (0);
925}
926
927
928/**
929 * Save @p mountlist to a file on disk.
930 * @param mountlist The mountlist to save.
931 * @param fname The file to save it to.
932 * @return 0 for success, 1 for failure.
933 * @see load_mountlist
934 */
935int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
936{
937 FILE *fout;
938 int i;
939
940 assert(mountlist != NULL);
941 assert_string_is_neither_NULL_nor_zerolength(fname);
942
943 log_it("save_mountlist_to_disk() --- saving to %s", fname);
944 if (!(fout = fopen(fname, "w"))) {
945 log_OS_error("WMTD - Cannot openout mountlist");
946 return (1);
947 }
948 for (i = 0; i < mountlist->entries; i++) {
949 fprintf(fout,
950 "%-15s %-15s %-15s %-15lld %-15s\n",
951 mountlist->el[i].device, mountlist->el[i].mountpoint,
952 mountlist->el[i].format, mountlist->el[i].size,
953 mountlist->el[i].label);
954 }
955 paranoid_fclose(fout);
956 return (0);
957}
958
959
960/**
961 * Sort the mountlist alphabetically by device.
962 * The sorting is done in-place.
963 * @param mountlist The mountlist to sort.
964 */
965void sort_mountlist_by_device(struct mountlist_itself *mountlist)
966{
967 int diff;
968 int lino = -999;
969
970 assert(mountlist != NULL);
971
972 while (lino < mountlist->entries) {
973 for (lino = 1; lino < mountlist->entries; lino++) {
974 diff =
975 strcmp_inc_numbers(mountlist->el[lino - 1].device,
976 mountlist->el[lino].device);
977 if (diff > 0) {
978 swap_mountlist_entries(mountlist, lino - 1, lino);
979 break;
980 }
981 }
982 }
983}
984
985
986/**
987 * Sort the mountlist alphabetically by mountpoint.
988 * The sorting is done in-place.
989 * @param mountlist The mountlist to sort.
990 * @param reverse If TRUE, then do a reverse sort.
991 */
992void
993sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
994 bool reverse)
995{
996 int diff;
997 int lino = -999;
998
999 assert(mountlist != NULL);
1000
1001 while (lino < mountlist->entries) {
1002 for (lino = 1; lino < mountlist->entries; lino++) {
1003 diff =
1004 strcmp(mountlist->el[lino - 1].mountpoint,
1005 mountlist->el[lino].mountpoint);
1006 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
1007 swap_mountlist_entries(mountlist, lino - 1, lino);
1008 break;
1009 }
1010 }
1011 }
1012}
1013
1014
1015/**
1016 * Swap two entries in the mountlist in-place.
1017 * @param mountlist The mountlist to swap the entries in.
1018 * @param a The index number of the first entry.
1019 * @param b The index number of the second entry.
1020 */
1021void
1022swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
1023{
1024 /*@ mallocs *** */
1025 char *device = NULL;
1026 char *mountpoint = NULL;
1027 char *format = NULL;
1028
1029 long long size;
1030
1031 assert(mountlist != NULL);
1032 assert(a >= 0);
1033 assert(b >= 0);
1034
1035 mr_asprintf(&device, mountlist->el[a].device);
1036 mr_asprintf(&mountpoint, mountlist->el[a].mountpoint);
1037 mr_asprintf(&format, mountlist->el[a].format);
1038
1039 size = mountlist->el[a].size;
1040
1041 strcpy(mountlist->el[a].device, mountlist->el[b].device);
1042 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
1043 strcpy(mountlist->el[a].format, mountlist->el[b].format);
1044
1045 mountlist->el[a].size = mountlist->el[b].size;
1046
1047 strcpy(mountlist->el[b].device, device);
1048 strcpy(mountlist->el[b].mountpoint, mountpoint);
1049 strcpy(mountlist->el[b].format, format);
1050
1051 mountlist->el[b].size = size;
1052 mr_free(device);
1053 mr_free(mountpoint);
1054 mr_free(format);
1055}
1056
1057/* @} - end of mountlistGroup */
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