source: MondoRescue/branches/stable/mondo/src/common/libmondo-mountlist.c@ 1547

Last change on this file since 1547 was 1440, checked in by Bruno Cornec, 19 years ago

Unallocated space is not an error, just a warning (res should not be incremented)
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File size: 29.3 KB
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1/* subroutines for handling mountlist
2 $Id: libmondo-mountlist.c 1440 2007-05-16 13:40:59Z 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#include "mr_mem.h"
20#include "mr_msg.h"
21
22/*@unused@*/
23//static char cvsid[] = "$Id: libmondo-mountlist.c 1440 2007-05-16 13:40:59Z bruno $";
24
25/**
26 * @addtogroup mountlistGroup
27 * @{
28 */
29/**
30 * Evaluate a drive within the mountlist for flaws. For example, too many
31 * primary partitions, the first logical isn't 5, duplicate partitions,
32 * ovar-allocated or under-allocated, unsupported format, silly size, or
33 * silly mountpoint. Under FreeBSD, this checks the disklabel too, for the above-mentioned
34 * errors as well as too many BSD partitions (more than 'h').
35 * @param mountlist The mountlist to check.
36 * @param drive The drive to check (e.g. @c /dev/hda).
37 * @param flaws_str Where to put the found flaws (human-readable).
38 * @return The number of flaws found (0 for success).
39 * @see evaluate_mountlist
40 */
41int evaluate_drive_within_mountlist(struct mountlist_itself *mountlist,
42 char *drive, char *flaws_str)
43#ifdef __FreeBSD__
44{
45// FreeBSD-specific version of evaluate_drive_within_mountlist()
46 /*@ int ************************************************************* */
47 int prev_part_no = 0;
48 int curr_part_no = 0;
49 int pos = 0, npos = 0;
50 int res = 0;
51 int mountpoint_copies = 0;
52 int device_copies = 0;
53 int i = 0;
54 int cur_sp_no = 0;
55 int prev_sp_no = 0;
56 int foundsome = FALSE;
57
58 /*@ buffers ******************************************************** */
59 char *tmp = NULL;
60 char *device = NULL;
61 char *ndevice = NULL;
62 // BERLIOS : useless ? char *mountpoint;
63
64 /*@ long *********************************************************** */
65 long physical_drive_size = 0L;
66 long amount_allocated = 0L;
67
68 /*@ pointers ******************************************************* */
69 char *part_table_fmt = NULL;
70
71 /*@ initialize ***************************************************** */
72 flaws_str[0] = '\0';
73 prev_part_no = 0;
74
75
76 physical_drive_size = get_phys_size_of_drive(drive);
77
78 if (physical_drive_size < 0) {
79 mr_asprintf(&tmp, " %s does not exist.", drive);
80 strcat(flaws_str, tmp);
81 } else {
82 mr_asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
83 }
84 log_it(tmp);
85 mr_free(tmp);
86
87
88 /* check DD */
89 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
90 mr_asprintf(&device, "%s%c", drive, cur_sp_no);
91 if (find_device_in_mountlist(mountlist, device) >= 0)
92 foundsome = TRUE;
93 mr_free(device);
94 }
95 if (foundsome) {
96 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
97 mr_asprintf(&device, "%s%c", drive, cur_sp_no);
98 pos = find_device_in_mountlist(mountlist, device);
99 if (pos < 0) {
100 continue;
101 }
102 // BERLIOS : useless ? mr_asprintf(&mountpoint, mountlist->el[pos].mountpoint);
103 /* is it too big? */
104 if (curr_part_no > 'h') {
105 mr_asprintf(&tmp, " Can only have up to 'h' in disklabel.");
106 log_it(tmp);
107 strcat(flaws_str, tmp);
108 mr_free(tmp);
109 res++;
110 }
111 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
112 for (i = 0, mountpoint_copies = 0, device_copies = 0;
113 i < mountlist->entries; i++) {
114 if (!strcmp(device, mountlist->el[i].device)) {
115 device_copies++;
116 }
117 }
118 if (device_copies > 1) {
119 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
120 device);
121 if (!strstr(flaws_str, tmp)) {
122 log_it(tmp);
123 strcat(flaws_str, tmp);
124 res++;
125 }
126 mr_free(tmp);
127 }
128 /* silly partition size? */
129 if (mountlist->el[pos].size < 8192
130 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
131 mr_asprintf(&tmp, " %s is tiny!", device);
132 log_it(tmp);
133 strcat(flaws_str, tmp);
134 mr_free(tmp);
135 res++;
136 }
137 /* mountpoint should begin with / unless it is swap, lvm or raid */
138 if (strcmp(mountlist->el[pos].mountpoint, "swap")
139 && strcmp(mountlist->el[pos].mountpoint, "lvm")
140 && strcmp(mountlist->el[pos].mountpoint, "raid")
141 && strcmp(mountlist->el[pos].mountpoint, "image")
142 && strcmp(mountlist->el[pos].mountpoint, "none")
143 && mountlist->el[pos].mountpoint[0] != '/') {
144 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
145 log_it(tmp);
146 strcat(flaws_str, tmp);
147 mr_free(tmp);
148 res++;
149 }
150 /* is format sensible? */
151 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
152 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
153 log_it(tmp);
154 strcat(flaws_str, tmp);
155 mr_free(tmp);
156 res++;
157 }
158 amount_allocated += mountlist->el[pos].size / 1024;
159 prev_sp_no = cur_sp_no;
160
161 mr_free(device);
162 }
163 }
164
165 npos = pos = 0;
166 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
167 malloc_string(device);
168 build_partition_name(device, drive, curr_part_no);
169 pos = find_device_in_mountlist(mountlist, device);
170 npos = 0;
171 for (cur_sp_no = 'a'; cur_sp_no <= 'h'; cur_sp_no++) {
172 mr_asprintf(&ndevice, "%ss%d%c", device, curr_part_no, cur_sp_no);
173 if (find_device_in_mountlist(mountlist, ndevice) >= 0)
174 npos++;
175 mr_free(ndevice);
176 }
177 mr_free(device);
178
179 if (((pos >= 0) || npos) && foundsome) {
180 sprintf(flaws_str + strlen(flaws_str),
181 " %s has both DD and PC-style partitions.", drive);
182 return ++res; // fatal error
183 }
184
185 build_partition_name(device, drive, curr_part_no);
186 if (pos > 0 && !npos) {
187 /* gap in the partition list? */
188 if (curr_part_no - prev_part_no > 1) {
189 if (prev_part_no == 0) {
190 mr_asprintf(&tmp, " Gap prior to %s.", device);
191 log_it(tmp);
192 strcat(flaws_str, tmp);
193 mr_free(tmp);
194 res++;
195 } else if (curr_part_no > 5
196 || (curr_part_no <= 4 && prev_part_no > 0)) {
197 mr_asprintf(&tmp, " Gap between %ss%d and %d.", drive,
198 prev_part_no, curr_part_no);
199 log_it(tmp);
200 strcat(flaws_str, tmp);
201 mr_free(tmp);
202 res++;
203 }
204 }
205 /* GPT allows more than 4 primary partitions */
206 part_table_fmt = which_partition_format(drive);
207 /* no spare primary partitions to help accommodate the logical(s)? */
208 if ((curr_part_no >= 5 && prev_part_no == 4)
209 && (strcmp(part_table_fmt, "MBR") == 0)) {
210 mr_asprintf(&tmp, " Partition %ss4 is occupied.", drive);
211 log_it(tmp);
212 strcat(flaws_str, tmp);
213 mr_free(tmp);
214 res++;
215 }
216 /* does partition /dev/adXsY exist more than once in the mountlist? */
217 for (i = 0, mountpoint_copies = 0, device_copies = 0;
218 i < mountlist->entries; i++) {
219 if (!strcmp(device, mountlist->el[i].device)) {
220 device_copies++;
221 }
222 }
223 if (device_copies > 1) {
224 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
225 device);
226 if (!strstr(flaws_str, tmp)) {
227 log_it(tmp);
228 strcat(flaws_str, tmp);
229 res++;
230 }
231 mr_free(tmp);
232 }
233 /* silly partition size? */
234 if (mountlist->el[pos].size < 8192
235 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
236 mr_asprintf(&tmp, " %s is tiny!", device);
237 log_it(tmp);
238 strcat(flaws_str, tmp);
239 mr_free(tmp);
240 res++;
241 }
242 /* mountpoint should begin with / unless it is swap, lvm or raid */
243 if (strcmp(mountlist->el[pos].mountpoint, "swap")
244 && strcmp(mountlist->el[pos].mountpoint, "lvm")
245 && strcmp(mountlist->el[pos].mountpoint, "raid")
246 && strcmp(mountlist->el[pos].mountpoint, "image")
247 && strcmp(mountlist->el[pos].mountpoint, "none")
248 && mountlist->el[pos].mountpoint[0] != '/') {
249 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
250 log_it(tmp);
251 strcat(flaws_str, tmp);
252 mr_free(tmp);
253 res++;
254 }
255 /* is format sensible? */
256 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
257 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
258 log_it(tmp);
259 strcat(flaws_str, tmp);
260 mr_free(tmp);
261 res++;
262 }
263 } else {
264 /* Check subpartitions */
265 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
266 mr_asprintf(&device, "%ss%d%c", drive, curr_part_no, cur_sp_no);
267 pos = find_device_in_mountlist(mountlist, device);
268 if (pos < 0) {
269 continue;
270 }
271 // BERLIOS : useless ? mr_asprintf(&mountpoint, mountlist->el[pos].mountpoint);
272 /* is it too big? */
273 if (curr_part_no > 'h') {
274 mr_asprintf(&tmp,
275 " Can only have up to 'h' in disklabel.");
276 log_it(tmp);
277 strcat(flaws_str, tmp);
278 mr_free(tmp);
279 res++;
280 }
281 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
282 for (i = 0, mountpoint_copies = 0, device_copies = 0;
283 i < mountlist->entries; i++) {
284 if (!strcmp(device, mountlist->el[i].device)) {
285 device_copies++;
286 }
287 }
288 if (device_copies > 1) {
289 mr_asprintf(&tmp, " %s %s's.",
290 number_to_text(device_copies), device);
291 if (!strstr(flaws_str, tmp)) {
292 log_it(tmp);
293 strcat(flaws_str, tmp);
294 res++;
295 }
296 mr_free(tmp);
297 }
298 /* silly partition size? */
299 if (mountlist->el[pos].size < 8192
300 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
301 mr_asprintf(&tmp, " %s is tiny!", device);
302 log_it(tmp);
303 strcat(flaws_str, tmp);
304 mr_free(tmp);
305 res++;
306 }
307 /* mountpoint should begin with / unless it is swap, lvm or raid */
308 if (strcmp(mountlist->el[pos].mountpoint, "swap")
309 && strcmp(mountlist->el[pos].mountpoint, "lvm")
310 && strcmp(mountlist->el[pos].mountpoint, "raid")
311 && strcmp(mountlist->el[pos].mountpoint, "image")
312 && strcmp(mountlist->el[pos].mountpoint, "none")
313 && mountlist->el[pos].mountpoint[0] != '/') {
314 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
315 log_it(tmp);
316 strcat(flaws_str, tmp);
317 mr_free(tmp);
318 res++;
319 }
320 /* is format sensible? */
321 if (!is_this_a_valid_disk_format
322 (mountlist->el[pos].format)) {
323 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
324 log_it(tmp);
325 strcat(flaws_str, tmp);
326 mr_free(tmp);
327 res++;
328 }
329 amount_allocated += mountlist->el[pos].size / 1024;
330 prev_sp_no = cur_sp_no;
331 }
332 }
333 mr_free(device);
334
335 /* OK, continue with main loop */
336 amount_allocated += mountlist->el[pos].size / 1024;
337 prev_part_no = curr_part_no;
338 }
339
340 /* Over-allocated the disk? Unallocated space on disk? */
341 if (amount_allocated > physical_drive_size) // Used to be +1, but what if you're 1 MB too high?
342 {
343 mr_asprintf(&tmp, " %ld MB over-allocated on %s.",
344 amount_allocated - physical_drive_size, drive);
345 log_it(tmp);
346 strcat(flaws_str, tmp);
347 mr_free(tmp);
348 res++;
349 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
350 mr_asprintf(&tmp, " %ld MB unallocated on %s.",
351 physical_drive_size - amount_allocated, drive);
352 log_it(tmp);
353 strcat(flaws_str, tmp);
354 mr_free(tmp);
355 }
356 if (res) {
357 return (FALSE);
358 } else {
359 return (TRUE);
360 }
361}
362
363#else
364// Linux-specific version of evaluate_drive_within_mountlist()
365{
366
367 /*@ int ************************************************************* */
368 int prev_part_no = 0;
369 int curr_part_no = 0;
370 int pos = 0;
371 int res = 0;
372 int mountpoint_copies = 0;
373 int device_copies = 0;
374 int i = 0;
375
376 /*@ buffers ******************************************************** */
377 char *tmp = NULL;
378 char *device = NULL;
379
380 /*@ long *********************************************************** */
381 long physical_drive_size = 0L;
382 long amount_allocated = 0L;
383
384 /*@ pointers ******************************************************* */
385 char *part_table_fmt = NULL;
386
387 /*@ initialize ***************************************************** */
388 assert_string_is_neither_NULL_nor_zerolength(drive);
389 assert(mountlist != NULL);
390 assert(flaws_str != NULL);
391
392 flaws_str[0] = '\0';
393 prev_part_no = 0;
394
395 physical_drive_size = get_phys_size_of_drive(drive);
396
397 if (physical_drive_size < 0) {
398 mr_asprintf(&tmp, " %s does not exist.", drive);
399 strcat(flaws_str, tmp);
400 res++;
401 mr_msg(1, tmp);
402 mr_free(tmp);
403 return (FALSE);
404 } else {
405 mr_asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
406 log_it(tmp);
407 mr_free(tmp);
408 }
409
410 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
411 malloc_string(device);
412 build_partition_name(device, drive, curr_part_no);
413 pos = find_device_in_mountlist(mountlist, device);
414 if (pos < 0) {
415 continue;
416 }
417 /* gap in the partition list? */
418 if (curr_part_no - prev_part_no > 1) {
419 if (prev_part_no == 0) {
420 mr_asprintf(&tmp, " Gap prior to %s.", device);
421 log_it(tmp);
422 strcat(flaws_str, tmp);
423 mr_free(tmp);
424 res++;
425 } else if (curr_part_no > 5
426 || (curr_part_no <= 4 && prev_part_no > 0)) {
427 mr_asprintf(&tmp, " Gap on %s between %d and %d.", drive,
428 prev_part_no, curr_part_no);
429 log_it(tmp);
430 strcat(flaws_str, tmp);
431 mr_free(tmp);
432 res++;
433 }
434 }
435 /* GPT allows more than 4 primary partitions */
436 part_table_fmt = which_partition_format(drive);
437 /* no spare primary partitions to help accommodate the logical(s)? */
438 if ((curr_part_no >= 5 && prev_part_no == 4)
439 && (strcmp(part_table_fmt, "MBR") == 0)) {
440 mr_asprintf(&tmp, " Partition 4 of %s is occupied.", drive);
441 log_it(tmp);
442 strcat(flaws_str, tmp);
443 mr_free(tmp);
444 res++;
445 }
446 /* does partition /dev/hdNX exist more than once in the mountlist? */
447 for (i = 0, mountpoint_copies = 0, device_copies = 0;
448 i < mountlist->entries; i++) {
449 if (!strcmp(device, mountlist->el[i].device)) {
450 device_copies++;
451 }
452 }
453 if (device_copies > 1) {
454 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
455 device);
456 if (!strstr(flaws_str, tmp)) {
457 log_it(tmp);
458 strcat(flaws_str, tmp);
459 res++;
460 }
461 mr_free(tmp);
462 }
463 /* silly partition size? */
464 if (mountlist->el[pos].size < 8192
465 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
466 mr_asprintf(&tmp, " %s is tiny!", device);
467 log_it(tmp);
468 strcat(flaws_str, tmp);
469 mr_free(tmp);
470 res++;
471 }
472 /* mountpoint should begin with / unless it is swap, lvm or raid */
473 if (strcmp(mountlist->el[pos].mountpoint, "swap")
474 && strcmp(mountlist->el[pos].mountpoint, "lvm")
475 && strcmp(mountlist->el[pos].mountpoint, "raid")
476 && strcmp(mountlist->el[pos].mountpoint, "image")
477 && mountlist->el[pos].mountpoint[0] != '/') {
478 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
479 log_it(tmp);
480 strcat(flaws_str, tmp);
481 mr_free(tmp);
482 res++;
483 }
484 /* is format sensible? */
485 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
486 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
487 log_it(tmp);
488 strcat(flaws_str, tmp);
489 mr_free(tmp);
490 res++;
491 }
492 /* OK, continue with main loop */
493 amount_allocated += mountlist->el[pos].size / 1024;
494 prev_part_no = curr_part_no;
495 mr_free(device);
496
497 }
498
499 /* Over-allocated the disk? Unallocated space on disk? */
500 if (amount_allocated > physical_drive_size + 1) {
501 mr_asprintf(&tmp, " %ld MB over-allocated on %s.",
502 amount_allocated - physical_drive_size, drive);
503 log_it(tmp);
504 strcat(flaws_str, tmp);
505 mr_free(tmp);
506 res++;
507 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
508 mr_asprintf(&tmp, " %ld MB unallocated on %s.",
509 physical_drive_size - amount_allocated, drive);
510 log_it(tmp);
511 strcat(flaws_str, tmp);
512 mr_free(tmp);
513 }
514
515 if (res) {
516 return (FALSE);
517 } else {
518 return (TRUE);
519 }
520}
521#endif
522
523
524/**
525 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
526 * for each drive, and then spreads the flaws across three lines.
527 * @param mountlist The mountlist to evaluate.
528 * @param flaws_str_A Where to put the first line listing errors found.
529 * @param flaws_str_B Where to put the second line listing errors found.
530 * @param flaws_str_C Where to put the third line listing errors found.
531 * @return The number of flaws found (0 for success).
532 * @see evaluate_drive_within_mountlist
533 */
534int
535evaluate_mountlist(struct mountlist_itself *mountlist, char *flaws_str_A,
536 char *flaws_str_B, char *flaws_str_C)
537{
538
539 /*@ buffer *********************************************************** */
540 struct list_of_disks *drivelist = NULL;
541 char *tmp = NULL;
542 char *flaws_str = NULL;
543
544 /*@ int ************************************************************** */
545 int i = 0;
546 int res = 0;
547
548 /*@ initialize ******************************************************* */
549
550 drivelist = mr_malloc(sizeof(struct list_of_disks));
551 malloc_string(tmp);
552 malloc_string(flaws_str);
553 assert(mountlist != NULL);
554 assert(flaws_str_A != NULL);
555 assert(flaws_str_B != NULL);
556 assert(flaws_str_C != NULL);
557 flaws_str[0] = '\0';
558
559 make_list_of_drives_in_mountlist(mountlist, drivelist);
560
561 log_it("Evaluating mountlist...");
562
563 for (i = 0; i < drivelist->entries; i++) {
564 if (strstr
565 (drivelist->el[i].device,
566 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
567 sprintf(tmp, " Not evaluating %s (I don't know how yet)",
568 drivelist->el[i].device);
569 log_it(tmp);
570 tmp[0] = '\0';
571 } else {
572 if (!evaluate_drive_within_mountlist
573 (mountlist, drivelist->el[i].device, tmp)) {
574 res++;
575 }
576 }
577 strcat(flaws_str, tmp);
578 }
579 res += look_for_duplicate_mountpoints(mountlist, flaws_str);
580 return (spread_flaws_across_three_lines
581 (flaws_str, flaws_str_A, flaws_str_B, flaws_str_C, res));
582}
583
584
585/**
586 * Find the index number of @p device in the mountlist.
587 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
588 * @param mountlist The mountlist to search in.
589 * @param device The device to search for.
590 * @return The zero-based index of the device, or -1 if it could not be found.
591 */
592int
593find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
594{
595
596 /*@ int ************************************************************** */
597 int i = 0;
598
599 assert(mountlist != NULL);
600 assert_string_is_neither_NULL_nor_zerolength(device);
601 for (i = 0;
602 i < mountlist->entries
603 && strcmp(mountlist->el[i].device, device) != 0; i++);
604
605 if (i == mountlist->entries) {
606 return (-1);
607 } else {
608 return (i);
609 }
610}
611
612
613/**
614 * Look for duplicate mountpoints in @p mountlist.
615 * @param mountlist The mountlist to check.
616 * @param flaws_str The flaws string to append the results to.
617 * @return The number of mountpoints that have duplicates, or 0 for success.
618 */
619int
620look_for_duplicate_mountpoints(struct mountlist_itself *mountlist,
621 char *flaws_str)
622{
623
624 /*@ int ************************************************************* */
625 int res = 0;
626 int currline = 0;
627 int i = 0;
628 int copies = 0;
629 int last_copy = 0;
630
631 /*@ buffetr ********************************************************* */
632 char *curr_mountpoint = NULL;
633 char *tmp = NULL;
634
635 assert(mountlist != NULL);
636 assert(flaws_str != NULL);
637
638 for (currline = 0; currline < mountlist->entries; currline++) {
639 mr_asprintf(&curr_mountpoint, mountlist->el[currline].mountpoint);
640 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries;
641 i++) {
642 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
643 && strcmp(mountlist->el[i].mountpoint, "lvm")
644 && strcmp(mountlist->el[i].mountpoint, "swap")) {
645 last_copy = i;
646 copies++;
647 }
648 }
649 if (copies > 1 && last_copy == currline
650 && strcmp(curr_mountpoint, "raid")) {
651 mr_asprintf(&tmp, " %s %s's.", number_to_text(copies),
652 curr_mountpoint);
653 strcat(flaws_str, tmp);
654 log_it(tmp);
655 mr_free(tmp);
656 res++;
657 }
658 mr_free(curr_mountpoint);
659 }
660 return (res);
661}
662
663
664/**
665 * Make a list of the drives mentioned in the mountlist.
666 * @param mountlist The mountlist to examine.
667 * @param drivelist Where to put the list of drives found.
668 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
669 */
670int
671make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
672 struct list_of_disks *drivelist)
673{
674
675 /*@ int ************************************************************* */
676 int lino;
677 int noof_drives;
678 int j;
679
680 /*@ buffers ********************************************************* */
681 char *drive = NULL;
682
683 long long size;
684
685 assert(mountlist != NULL);
686 assert(drivelist != NULL);
687 log_it("Making list of drives");
688 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
689
690 mr_asprintf(&drive, mountlist->el[lino].device);
691 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
692 mr_msg(8, "Not putting %s in list of drives: it's a virtual drive", drive);
693 continue;
694 }
695
696 size = mountlist->el[lino].size;
697 if (size == 0) {
698 mr_msg(8, "Not putting %s in list of drives: it has zero size (maybe an LVM volume)", drive);
699 continue;
700 }
701
702 mr_msg(8, "Putting %s with size %lli in list of drives", drive, size);
703
704 (void) truncate_to_drive_name(drive);
705 for (j = 0;
706 j < noof_drives
707 && strcmp(drivelist->el[j].device, drive) != 0; j++)
708 continue;
709 if (j == noof_drives) {
710 strcpy(drivelist->el[noof_drives++].device, drive);
711 }
712 mr_free(drive);
713
714 }
715 drivelist->entries = noof_drives;
716 mr_msg(8, "Made list of drives");
717
718 return (noof_drives);
719}
720
721
722/**
723 * Make a list of RAID partitions not currently associated with any RAID device.
724 * The user may add any of these partitions to the RAID device.
725 * @param output_list Where to put the list of unallocated RAID partitions.
726 * @param mountlist The mountlist to examine.
727 * @param raidlist The raidlist to examine.
728 */
729void make_list_of_unallocated_raid_partitions(struct mountlist_itself
730 *output_list,
731 struct mountlist_itself
732 *mountlist,
733 struct raidlist_itself
734 *raidlist)
735{
736
737 /*@ int ************************************************************* */
738 int items = 0;
739 int i = 0;
740 int used_by = 0;
741
742 /*@ buffers ********************************************************* */
743 char *tmp = NULL;
744
745 assert(output_list != NULL);
746 assert(mountlist != NULL);
747 assert(raidlist != NULL);
748 log_it("MLOURP -- starting");
749 items = 0;
750
751
752 for (i = 0; i < mountlist->entries; i++) {
753 if (strstr(mountlist->el[i].mountpoint, "raid")) {
754 used_by =
755 which_raid_device_is_using_this_partition(raidlist,
756 mountlist->el[i].
757 device);
758 if (used_by < 0) {
759 memcpy((void *) &output_list->el[items++],
760 (void *) &mountlist->el[i],
761 sizeof(struct mountlist_line));
762 mr_asprintf(&tmp,
763 "%s is available; user may choose to add it to raid device",
764 output_list->el[items - 1].device);
765 log_it(tmp);
766 mr_free(tmp);
767 }
768 }
769 }
770 output_list->entries = items;
771 log_it("MLUORP -- ending");
772}
773
774
775/**
776 * Get the size of a mountlist entry by the @c device field.
777 * @param mountlist The mountlist to search in.
778 * @param device The device to search for
779 * @return The size of the device (in KB), or -1 if it could not be found.
780 */
781long long
782size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
783 char *device)
784{
785 /*@ int ************************************************************** */
786 int i = 0;
787
788
789 assert(mountlist != NULL);
790 assert_string_is_neither_NULL_nor_zerolength(device);
791
792 for (i = 0;
793 i < mountlist->entries && strcmp(mountlist->el[i].device, device);
794 i++);
795 if (i == mountlist->entries) {
796 return (-1);
797 } else {
798 return (mountlist->el[i].size);
799 }
800}
801
802
803/**
804 * Load a file on disk into @p mountlist.
805 * The file on disk should consist of multiple lines, each containing 4 or 5
806 * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
807 * Comments begin with a '#' without any leading whitespace. Any duplicate
808 * entries are renamed.
809 * @param mountlist The mountlist to load into.
810 * @param fname The name of the file to load the mountlist from.
811 * @return 0 for success, 1 for failure.
812 */
813int load_mountlist(struct mountlist_itself *mountlist, char *fname)
814{
815 FILE *fin = NULL;
816 /* malloc ** */
817 char *incoming = NULL;
818 char *siz = NULL;
819 char *tmp = NULL;
820 char *p = NULL;
821
822 int items = 0;
823 int j = 0;
824 size_t n = 0;
825
826 assert(mountlist != NULL);
827 assert_string_is_neither_NULL_nor_zerolength(fname);
828
829 if (!(fin = fopen(fname, "r"))) {
830 log_it("Unable to open mountlist - '%s'", fname);
831 log_to_screen(_("Cannot open mountlist"));
832 return (1);
833 }
834 malloc_string(siz);
835 mr_getline(&incoming, &n, fin);
836 log_it("Loading mountlist...");
837 while (!feof(fin)) {
838#if linux
839 sscanf(incoming,
840 "%s %s %s %s %s %s",
841 mountlist->el[items].device,
842 mountlist->el[items].mountpoint,
843 mountlist->el[items].format,
844 siz, mountlist->el[items].label, mountlist->el[items].uuid);
845#elif __FreeBSD__
846 sscanf(incoming,
847 "%s %s %s %s",
848 mountlist->el[items].device,
849 mountlist->el[items].mountpoint,
850 mountlist->el[items].format, siz);
851 strcpy(mountlist->el[items].label, "");
852 strcpy(mountlist->el[items].uuid, "");
853#endif
854
855 if (!strcmp(mountlist->el[items].device, "/proc") ||
856 !strcmp(mountlist->el[items].device, "proc") ||
857 !strcmp(mountlist->el[items].device, "/sys") ||
858 !strcmp(mountlist->el[items].device, "sys") ||
859 !strcmp(mountlist->el[items].device, "/devpts") ||
860 !strcmp(mountlist->el[items].device, "devpts")
861 ) {
862 mr_msg(1,
863 "Ignoring %s in mountlist - not loading that line :) ",
864 mountlist->el[items].device);
865 mr_getline(&incoming, &n, fin);
866 continue;
867 }
868 mountlist->el[items].size = atoll(siz);
869 if (mountlist->el[items].device[0] != '\0'
870 && mountlist->el[items].device[0] != '#') {
871 if (items >= ARBITRARY_MAXIMUM) {
872 log_to_screen(_("Too many lines in mountlist.. ABORTING"));
873 finish(1);
874 }
875 for (j = 0;
876 j < items
877 && strcmp(mountlist->el[j].device,
878 mountlist->el[items].device); j++);
879 if (j < items) {
880 strcat(mountlist->el[items].device, "_dup");
881 mr_asprintf(&tmp,
882 "Duplicate entry in mountlist - renaming to %s",
883 mountlist->el[items].device);
884 log_it(tmp);
885 mr_free(tmp);
886 }
887 mr_asprintf(&tmp, mountlist->el[items].device);
888 if (strstr(tmp, "/dev/md/")) {
889 log_it("format_device() --- Contracting %s", tmp);
890 p = strrchr(tmp, '/');
891 if (p) {
892 *p = *(p + 1);
893 *(p + 1) = *(p + 2);
894 *(p + 2) = *(p + 3);
895 }
896 log_it("It was %s; it is now %s",
897 mountlist->el[items].device, tmp);
898 strcpy(mountlist->el[items].device, tmp);
899 }
900 mr_free(tmp);
901
902 log_it("%s %s %s %lld %s",
903 mountlist->el[items].device,
904 mountlist->el[items].mountpoint,
905 mountlist->el[items].format,
906 mountlist->el[items].size,
907 mountlist->el[items].label,
908 mountlist->el[items].uuid);
909 items++;
910 }
911 mr_getline(&incoming, &n, fin);
912 }
913 paranoid_fclose(fin);
914 mr_free(incoming);
915 mountlist->entries = items;
916
917 log_it("Mountlist loaded successfully.");
918 log_it("%d entries in mountlist", items);
919
920 mr_free(siz);
921 return (0);
922}
923
924
925/**
926 * Save @p mountlist to a file on disk.
927 * @param mountlist The mountlist to save.
928 * @param fname The file to save it to.
929 * @return 0 for success, 1 for failure.
930 * @see load_mountlist
931 */
932int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
933{
934 FILE *fout;
935 int i;
936
937 assert(mountlist != NULL);
938 assert_string_is_neither_NULL_nor_zerolength(fname);
939
940 log_it("save_mountlist_to_disk() --- saving to %s", fname);
941 if (!(fout = fopen(fname, "w"))) {
942 log_OS_error("WMTD - Cannot openout mountlist");
943 return (1);
944 }
945 for (i = 0; i < mountlist->entries; i++) {
946 fprintf(fout,
947 "%-15s %-15s %-15s %-15lld %-15s %-15s\n",
948 mountlist->el[i].device, mountlist->el[i].mountpoint,
949 mountlist->el[i].format, mountlist->el[i].size,
950 mountlist->el[i].label, mountlist->el[i].uuid);
951 }
952 paranoid_fclose(fout);
953 return (0);
954}
955
956
957/**
958 * Sort the mountlist alphabetically by device.
959 * The sorting is done in-place.
960 * @param mountlist The mountlist to sort.
961 */
962void sort_mountlist_by_device(struct mountlist_itself *mountlist)
963{
964 int diff;
965 int lino = -999;
966
967 assert(mountlist != NULL);
968
969 while (lino < mountlist->entries) {
970 for (lino = 1; lino < mountlist->entries; lino++) {
971 diff =
972 strcmp_inc_numbers(mountlist->el[lino - 1].device,
973 mountlist->el[lino].device);
974 if (diff > 0) {
975 swap_mountlist_entries(mountlist, lino - 1, lino);
976 break;
977 }
978 }
979 }
980}
981
982
983/**
984 * Sort the mountlist alphabetically by mountpoint.
985 * The sorting is done in-place.
986 * @param mountlist The mountlist to sort.
987 * @param reverse If TRUE, then do a reverse sort.
988 */
989void
990sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
991 bool reverse)
992{
993 int diff;
994 int lino = -999;
995
996 assert(mountlist != NULL);
997
998 while (lino < mountlist->entries) {
999 for (lino = 1; lino < mountlist->entries; lino++) {
1000 diff =
1001 strcmp(mountlist->el[lino - 1].mountpoint,
1002 mountlist->el[lino].mountpoint);
1003 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
1004 swap_mountlist_entries(mountlist, lino - 1, lino);
1005 break;
1006 }
1007 }
1008 }
1009}
1010
1011
1012/**
1013 * Swap two entries in the mountlist in-place.
1014 * @param mountlist The mountlist to swap the entries in.
1015 * @param a The index number of the first entry.
1016 * @param b The index number of the second entry.
1017 */
1018void
1019swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
1020{
1021 /*@ mallocs *** */
1022 char *device = NULL;
1023 char *mountpoint = NULL;
1024 char *format = NULL;
1025
1026 long long size;
1027
1028 assert(mountlist != NULL);
1029 assert(a >= 0);
1030 assert(b >= 0);
1031
1032 mr_asprintf(&device, mountlist->el[a].device);
1033 mr_asprintf(&mountpoint, mountlist->el[a].mountpoint);
1034 mr_asprintf(&format, mountlist->el[a].format);
1035
1036 size = mountlist->el[a].size;
1037
1038 strcpy(mountlist->el[a].device, mountlist->el[b].device);
1039 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
1040 strcpy(mountlist->el[a].format, mountlist->el[b].format);
1041
1042 mountlist->el[a].size = mountlist->el[b].size;
1043
1044 strcpy(mountlist->el[b].device, device);
1045 strcpy(mountlist->el[b].mountpoint, mountpoint);
1046 strcpy(mountlist->el[b].format, format);
1047
1048 mountlist->el[b].size = size;
1049 mr_free(device);
1050 mr_free(mountpoint);
1051 mr_free(format);
1052}
1053
1054/* @} - end of mountlistGroup */
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