source: MondoRescue/branches/stable/mondo/src/common/libmondo-mountlist.c@ 1235

Last change on this file since 1235 was 1180, checked in by Bruno Cornec, 19 years ago

Compiler warning fixes
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File size: 29.6 KB
Line 
1/* subroutines for handling mountlist
2 $Id: libmondo-mountlist.c 1180 2007-02-18 15:41:30Z 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 1180 2007-02-18 15:41:30Z 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 = 0;
66 long amount_allocated = 0;
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 mr_asprintf(&device, "%ss%d", drive, curr_part_no);
168 pos = find_device_in_mountlist(mountlist, device);
169 npos = 0;
170 for (cur_sp_no = 'a'; cur_sp_no <= 'h'; cur_sp_no++) {
171 mr_asprintf(&ndevice, "%ss%d%c", device, curr_part_no, cur_sp_no);
172 if (find_device_in_mountlist(mountlist, ndevice) >= 0)
173 npos++;
174 mr_free(ndevice);
175 }
176 mr_free(device);
177
178 if (((pos >= 0) || npos) && foundsome) {
179 sprintf(flaws_str + strlen(flaws_str),
180 " %s has both DD and PC-style partitions.", drive);
181 return ++res; // fatal error
182 }
183
184 mr_asprintf(&device, "%ss%d", drive, curr_part_no);
185 // BERLIOS : useless ? mr_asprintf(&mountpoint, mountlist->el[pos].mountpoint);
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 /* BERLIOS: Flawed since rev 1 !! */
356 res++;
357 }
358 if (res) {
359 return (FALSE);
360 } else {
361 return (TRUE);
362 }
363}
364
365#else
366// Linux-specific version of evaluate_drive_within_mountlist()
367{
368
369 /*@ int ************************************************************* */
370 int prev_part_no = 0;
371 int curr_part_no = 0;
372 int pos = 0;
373 int res = 0;
374 int mountpoint_copies = 0;
375 int device_copies = 0;
376 int i = 0;
377
378 /*@ buffers ******************************************************** */
379 char *tmp = NULL;
380 char *device = NULL;
381
382 /*@ long *********************************************************** */
383 long physical_drive_size = 0L;
384 long amount_allocated = 0L;
385
386 /*@ pointers ******************************************************* */
387 char *part_table_fmt = NULL;
388
389 /*@ initialize ***************************************************** */
390 assert_string_is_neither_NULL_nor_zerolength(drive);
391 assert(mountlist != NULL);
392 assert(flaws_str != NULL);
393
394 flaws_str[0] = '\0';
395 prev_part_no = 0;
396
397 physical_drive_size = get_phys_size_of_drive(drive);
398
399 if (physical_drive_size < 0) {
400 mr_asprintf(&tmp, " %s does not exist.", drive);
401 strcat(flaws_str, tmp);
402 res++;
403 mr_msg(1, tmp);
404 mr_free(tmp);
405 return (FALSE);
406 } else {
407 mr_asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
408 log_it(tmp);
409 mr_free(tmp);
410 }
411
412 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
413 mr_asprintf(&device, "%s%d", drive, curr_part_no);
414 pos = find_device_in_mountlist(mountlist, device);
415 if (pos < 0) {
416 continue;
417 }
418 if (physical_drive_size < 0) {
419 mr_asprintf(&tmp, " %s refers to non-existent hardware.", device);
420 strcat(flaws_str, tmp);
421 res++;
422 mr_free(tmp);
423 continue;
424 }
425 // BERLIOS : useless ? str-cpy(mountpoint, mountlist->el[pos].mountpoint);
426 /* gap in the partition list? */
427 if (curr_part_no - prev_part_no > 1) {
428 if (prev_part_no == 0) {
429 mr_asprintf(&tmp, " Gap prior to %s.", device);
430 log_it(tmp);
431 strcat(flaws_str, tmp);
432 mr_free(tmp);
433 res++;
434 } else if (curr_part_no > 5
435 || (curr_part_no <= 4 && prev_part_no > 0)) {
436 mr_asprintf(&tmp, " Gap between %s%d and %d.", drive,
437 prev_part_no, curr_part_no);
438 log_it(tmp);
439 strcat(flaws_str, tmp);
440 mr_free(tmp);
441 res++;
442 }
443 }
444 /* GPT allows more than 4 primary partitions */
445 part_table_fmt = which_partition_format(drive);
446 /* no spare primary partitions to help accommodate the logical(s)? */
447 if ((curr_part_no >= 5 && prev_part_no == 4)
448 && (strcmp(part_table_fmt, "MBR") == 0)) {
449 mr_asprintf(&tmp, " Partition %s4 is occupied.", drive);
450 log_it(tmp);
451 strcat(flaws_str, tmp);
452 mr_free(tmp);
453 res++;
454 }
455 /* does partition /dev/hdNX exist more than once in the mountlist? */
456 for (i = 0, mountpoint_copies = 0, device_copies = 0;
457 i < mountlist->entries; i++) {
458 if (!strcmp(device, mountlist->el[i].device)) {
459 device_copies++;
460 }
461 }
462 if (device_copies > 1) {
463 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
464 device);
465 if (!strstr(flaws_str, tmp)) {
466 log_it(tmp);
467 strcat(flaws_str, tmp);
468 res++;
469 }
470 mr_free(tmp);
471 }
472 /* silly partition size? */
473 if (mountlist->el[pos].size < 8192
474 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
475 mr_asprintf(&tmp, " %s is tiny!", device);
476 log_it(tmp);
477 strcat(flaws_str, tmp);
478 mr_free(tmp);
479 res++;
480 }
481 /* mountpoint should begin with / unless it is swap, lvm or raid */
482 if (strcmp(mountlist->el[pos].mountpoint, "swap")
483 && strcmp(mountlist->el[pos].mountpoint, "lvm")
484 && strcmp(mountlist->el[pos].mountpoint, "raid")
485 && strcmp(mountlist->el[pos].mountpoint, "image")
486 && mountlist->el[pos].mountpoint[0] != '/') {
487 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
488 log_it(tmp);
489 strcat(flaws_str, tmp);
490 mr_free(tmp);
491 res++;
492 }
493 /* is format sensible? */
494 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
495 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
496 log_it(tmp);
497 strcat(flaws_str, tmp);
498 mr_free(tmp);
499 res++;
500 }
501 /* OK, continue with main loop */
502 amount_allocated += mountlist->el[pos].size / 1024;
503 prev_part_no = curr_part_no;
504 mr_free(device);
505 }
506
507 /* Over-allocated the disk? Unallocated space on disk? */
508 if (amount_allocated > physical_drive_size + 1) {
509 mr_asprintf(&tmp, " %ld MB over-allocated on %s.",
510 amount_allocated - physical_drive_size, drive);
511 log_it(tmp);
512 strcat(flaws_str, tmp);
513 mr_free(tmp);
514 res++;
515 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
516 mr_asprintf(&tmp, " %ld MB unallocated on %s.",
517 physical_drive_size - amount_allocated, drive);
518 log_it(tmp);
519 strcat(flaws_str, tmp);
520 mr_free(tmp);
521 /* BERLIOS: Flawed since rev 1 !! - Is it sure ?? */
522 res++;
523 }
524
525 if (res) {
526 return (FALSE);
527 } else {
528 return (TRUE);
529 }
530}
531#endif
532
533
534/**
535 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
536 * for each drive, and then spreads the flaws across three lines.
537 * @param mountlist The mountlist to evaluate.
538 * @param flaws_str_A Where to put the first line listing errors found.
539 * @param flaws_str_B Where to put the second line listing errors found.
540 * @param flaws_str_C Where to put the third line listing errors found.
541 * @return The number of flaws found (0 for success).
542 * @see evaluate_drive_within_mountlist
543 */
544int
545evaluate_mountlist(struct mountlist_itself *mountlist, char *flaws_str_A,
546 char *flaws_str_B, char *flaws_str_C)
547{
548
549 /*@ buffer *********************************************************** */
550 struct list_of_disks *drivelist = NULL;
551 char *tmp = NULL;
552 char *flaws_str = NULL;
553
554 /*@ int ************************************************************** */
555 int i = 0;
556 int res = 0;
557
558 /*@ initialize ******************************************************* */
559
560 drivelist = mr_malloc(sizeof(struct list_of_disks));
561 malloc_string(tmp);
562 malloc_string(flaws_str);
563 assert(mountlist != NULL);
564 assert(flaws_str_A != NULL);
565 assert(flaws_str_B != NULL);
566 assert(flaws_str_C != NULL);
567 flaws_str[0] = '\0';
568
569 make_list_of_drives_in_mountlist(mountlist, drivelist);
570
571 log_it("Evaluating mountlist...");
572
573 for (i = 0; i < drivelist->entries; i++) {
574 if (strstr
575 (drivelist->el[i].device,
576 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
577 sprintf(tmp, " Not evaluating %s (I don't know how yet)",
578 drivelist->el[i].device);
579 log_it(tmp);
580 tmp[0] = '\0';
581 } else {
582 if (!evaluate_drive_within_mountlist
583 (mountlist, drivelist->el[i].device, tmp)) {
584 res++;
585 }
586 }
587 strcat(flaws_str, tmp);
588 }
589 res += look_for_duplicate_mountpoints(mountlist, flaws_str);
590 return (spread_flaws_across_three_lines
591 (flaws_str, flaws_str_A, flaws_str_B, flaws_str_C, res));
592}
593
594
595/**
596 * Find the index number of @p device in the mountlist.
597 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
598 * @param mountlist The mountlist to search in.
599 * @param device The device to search for.
600 * @return The zero-based index of the device, or -1 if it could not be found.
601 */
602int
603find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
604{
605
606 /*@ int ************************************************************** */
607 int i = 0;
608
609 assert(mountlist != NULL);
610 assert_string_is_neither_NULL_nor_zerolength(device);
611 for (i = 0;
612 i < mountlist->entries
613 && strcmp(mountlist->el[i].device, device) != 0; i++);
614
615 if (i == mountlist->entries) {
616 return (-1);
617 } else {
618 return (i);
619 }
620}
621
622
623/**
624 * Look for duplicate mountpoints in @p mountlist.
625 * @param mountlist The mountlist to check.
626 * @param flaws_str The flaws string to append the results to.
627 * @return The number of mountpoints that have duplicates, or 0 for success.
628 */
629int
630look_for_duplicate_mountpoints(struct mountlist_itself *mountlist,
631 char *flaws_str)
632{
633
634 /*@ int ************************************************************* */
635 int res = 0;
636 int currline = 0;
637 int i = 0;
638 int copies = 0;
639 int last_copy = 0;
640
641 /*@ buffetr ********************************************************* */
642 char *curr_mountpoint = NULL;
643 char *tmp = NULL;
644
645 assert(mountlist != NULL);
646 assert(flaws_str != NULL);
647
648 for (currline = 0; currline < mountlist->entries; currline++) {
649 mr_asprintf(&curr_mountpoint, mountlist->el[currline].mountpoint);
650 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries;
651 i++) {
652 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
653 && strcmp(mountlist->el[i].mountpoint, "lvm")
654 && strcmp(mountlist->el[i].mountpoint, "swap")) {
655 last_copy = i;
656 copies++;
657 }
658 }
659 if (copies > 1 && last_copy == currline
660 && strcmp(curr_mountpoint, "raid")) {
661 mr_asprintf(&tmp, " %s %s's.", number_to_text(copies),
662 curr_mountpoint);
663 strcat(flaws_str, tmp);
664 log_it(tmp);
665 mr_free(tmp);
666 res++;
667 }
668 mr_free(curr_mountpoint);
669 }
670 return (res);
671}
672
673
674/**
675 * Make a list of the drives mentioned in the mountlist.
676 * @param mountlist The mountlist to examine.
677 * @param drivelist Where to put the list of drives found.
678 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
679 */
680int
681make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
682 struct list_of_disks *drivelist)
683{
684
685 /*@ int ************************************************************* */
686 int lino;
687 int noof_drives;
688 int j;
689
690 /*@ buffers ********************************************************* */
691 char *drive = NULL;
692
693 long long size;
694
695 assert(mountlist != NULL);
696 assert(drivelist != NULL);
697 log_it("Making list of drives");
698 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
699
700 mr_asprintf(&drive, mountlist->el[lino].device);
701 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
702 mr_msg(8, "Not putting %s in list of drives: it's a virtual drive", drive);
703 continue;
704 }
705
706 size = mountlist->el[lino].size;
707 if (size == 0) {
708 mr_msg(8, "Not putting %s in list of drives: it has zero size (maybe an LVM volume)", drive);
709 continue;
710 }
711
712 mr_msg(8, "Putting %s with size %lli in list of drives", drive, size);
713
714 (void) truncate_to_drive_name(drive);
715 for (j = 0;
716 j < noof_drives
717 && strcmp(drivelist->el[j].device, drive) != 0; j++)
718 continue;
719 if (j == noof_drives) {
720 strcpy(drivelist->el[noof_drives++].device, drive);
721 }
722 mr_free(drive);
723
724 }
725 drivelist->entries = noof_drives;
726 mr_msg(8, "Made list of drives");
727
728 return (noof_drives);
729}
730
731
732/**
733 * Make a list of RAID partitions not currently associated with any RAID device.
734 * The user may add any of these partitions to the RAID device.
735 * @param output_list Where to put the list of unallocated RAID partitions.
736 * @param mountlist The mountlist to examine.
737 * @param raidlist The raidlist to examine.
738 */
739void make_list_of_unallocated_raid_partitions(struct mountlist_itself
740 *output_list,
741 struct mountlist_itself
742 *mountlist,
743 struct raidlist_itself
744 *raidlist)
745{
746
747 /*@ int ************************************************************* */
748 int items = 0;
749 int i = 0;
750 int used_by = 0;
751
752 /*@ buffers ********************************************************* */
753 char *tmp = NULL;
754
755 assert(output_list != NULL);
756 assert(mountlist != NULL);
757 assert(raidlist != NULL);
758 log_it("MLOURP -- starting");
759 items = 0;
760
761
762 for (i = 0; i < mountlist->entries; i++) {
763 if (strstr(mountlist->el[i].mountpoint, "raid")) {
764 used_by =
765 which_raid_device_is_using_this_partition(raidlist,
766 mountlist->el[i].
767 device);
768 if (used_by < 0) {
769 memcpy((void *) &output_list->el[items++],
770 (void *) &mountlist->el[i],
771 sizeof(struct mountlist_line));
772 mr_asprintf(&tmp,
773 "%s is available; user may choose to add it to raid device",
774 output_list->el[items - 1].device);
775 log_it(tmp);
776 mr_free(tmp);
777 }
778 }
779 }
780 output_list->entries = items;
781 log_it("MLUORP -- ending");
782}
783
784
785/**
786 * Get the size of a mountlist entry by the @c device field.
787 * @param mountlist The mountlist to search in.
788 * @param device The device to search for
789 * @return The size of the device (in KB), or -1 if it could not be found.
790 */
791long long
792size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
793 char *device)
794{
795 /*@ int ************************************************************** */
796 int i = 0;
797
798
799 assert(mountlist != NULL);
800 assert_string_is_neither_NULL_nor_zerolength(device);
801
802 for (i = 0;
803 i < mountlist->entries && strcmp(mountlist->el[i].device, device);
804 i++);
805 if (i == mountlist->entries) {
806 return (-1);
807 } else {
808 return (mountlist->el[i].size);
809 }
810}
811
812
813/**
814 * Load a file on disk into @p mountlist.
815 * The file on disk should consist of multiple lines, each containing 4 or 5
816 * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
817 * Comments begin with a '#' without any leading whitespace. Any duplicate
818 * entries are renamed.
819 * @param mountlist The mountlist to load into.
820 * @param fname The name of the file to load the mountlist from.
821 * @return 0 for success, 1 for failure.
822 */
823int load_mountlist(struct mountlist_itself *mountlist, char *fname)
824{
825 FILE *fin = NULL;
826 /* malloc ** */
827 char *incoming = NULL;
828 char *siz = NULL;
829 char *tmp = NULL;
830 char *p = NULL;
831
832 int items = 0;
833 int j = 0;
834 size_t n = 0;
835
836 assert(mountlist != NULL);
837 assert_string_is_neither_NULL_nor_zerolength(fname);
838
839 if (!(fin = fopen(fname, "r"))) {
840 log_it("Unable to open mountlist - '%s'", fname);
841 log_to_screen(_("Cannot open mountlist"));
842 return (1);
843 }
844 malloc_string(siz);
845 mr_getline(&incoming, &n, fin);
846 log_it("Loading mountlist...");
847 while (!feof(fin)) {
848#if linux
849 sscanf(incoming,
850 "%s %s %s %s %s",
851 mountlist->el[items].device,
852 mountlist->el[items].mountpoint,
853 mountlist->el[items].format,
854 siz, mountlist->el[items].label);
855#elif __FreeBSD__
856 sscanf(incoming,
857 "%s %s %s %s",
858 mountlist->el[items].device,
859 mountlist->el[items].mountpoint,
860 mountlist->el[items].format, siz);
861 strcpy(mountlist->el[items].label, "");
862#endif
863
864 if (!strcmp(mountlist->el[items].device, "/proc") ||
865 !strcmp(mountlist->el[items].device, "proc") ||
866 !strcmp(mountlist->el[items].device, "/sys") ||
867 !strcmp(mountlist->el[items].device, "sys") ||
868 !strcmp(mountlist->el[items].device, "/devpts") ||
869 !strcmp(mountlist->el[items].device, "devpts")
870 ) {
871 mr_msg(1,
872 "Ignoring %s in mountlist - not loading that line :) ",
873 mountlist->el[items].device);
874 mr_getline(&incoming, &n, fin);
875 continue;
876 }
877 mountlist->el[items].size = atoll(siz);
878 if (mountlist->el[items].device[0] != '\0'
879 && mountlist->el[items].device[0] != '#') {
880 if (items >= ARBITRARY_MAXIMUM) {
881 log_to_screen(_("Too many lines in mountlist.. ABORTING"));
882 finish(1);
883 }
884 for (j = 0;
885 j < items
886 && strcmp(mountlist->el[j].device,
887 mountlist->el[items].device); j++);
888 if (j < items) {
889 strcat(mountlist->el[items].device, "_dup");
890 mr_asprintf(&tmp,
891 "Duplicate entry in mountlist - renaming to %s",
892 mountlist->el[items].device);
893 log_it(tmp);
894 mr_free(tmp);
895 }
896 mr_asprintf(&tmp, mountlist->el[items].device);
897 if (strstr(tmp, "/dev/md/")) {
898 log_it("format_device() --- Contracting %s", tmp);
899 p = strrchr(tmp, '/');
900 if (p) {
901 *p = *(p + 1);
902 *(p + 1) = *(p + 2);
903 *(p + 2) = *(p + 3);
904 }
905 log_it("It was %s; it is now %s",
906 mountlist->el[items].device, tmp);
907 strcpy(mountlist->el[items].device, tmp);
908 }
909 mr_free(tmp);
910
911 log_it("%s %s %s %lld %s",
912 mountlist->el[items].device,
913 mountlist->el[items].mountpoint,
914 mountlist->el[items].format,
915 mountlist->el[items].size,
916 mountlist->el[items].label);
917 items++;
918 }
919 mr_getline(&incoming, &n, fin);
920 }
921 paranoid_fclose(fin);
922 mr_free(incoming);
923 mountlist->entries = items;
924
925 log_it("Mountlist loaded successfully.");
926 log_it("%d entries in mountlist", items);
927
928 mr_free(siz);
929 return (0);
930}
931
932
933/**
934 * Save @p mountlist to a file on disk.
935 * @param mountlist The mountlist to save.
936 * @param fname The file to save it to.
937 * @return 0 for success, 1 for failure.
938 * @see load_mountlist
939 */
940int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
941{
942 FILE *fout;
943 int i;
944
945 assert(mountlist != NULL);
946 assert_string_is_neither_NULL_nor_zerolength(fname);
947
948 log_it("save_mountlist_to_disk() --- saving to %s", fname);
949 if (!(fout = fopen(fname, "w"))) {
950 log_OS_error("WMTD - Cannot openout mountlist");
951 return (1);
952 }
953 for (i = 0; i < mountlist->entries; i++) {
954 fprintf(fout,
955 "%-15s %-15s %-15s %-15lld %-15s\n",
956 mountlist->el[i].device, mountlist->el[i].mountpoint,
957 mountlist->el[i].format, mountlist->el[i].size,
958 mountlist->el[i].label);
959 }
960 paranoid_fclose(fout);
961 return (0);
962}
963
964
965/**
966 * Sort the mountlist alphabetically by device.
967 * The sorting is done in-place.
968 * @param mountlist The mountlist to sort.
969 */
970void sort_mountlist_by_device(struct mountlist_itself *mountlist)
971{
972 int diff;
973 int lino = -999;
974
975 assert(mountlist != NULL);
976
977 while (lino < mountlist->entries) {
978 for (lino = 1; lino < mountlist->entries; lino++) {
979 diff =
980 strcmp_inc_numbers(mountlist->el[lino - 1].device,
981 mountlist->el[lino].device);
982 if (diff > 0) {
983 swap_mountlist_entries(mountlist, lino - 1, lino);
984 break;
985 }
986 }
987 }
988}
989
990
991/**
992 * Sort the mountlist alphabetically by mountpoint.
993 * The sorting is done in-place.
994 * @param mountlist The mountlist to sort.
995 * @param reverse If TRUE, then do a reverse sort.
996 */
997void
998sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
999 bool reverse)
1000{
1001 int diff;
1002 int lino = -999;
1003
1004 assert(mountlist != NULL);
1005
1006 while (lino < mountlist->entries) {
1007 for (lino = 1; lino < mountlist->entries; lino++) {
1008 diff =
1009 strcmp(mountlist->el[lino - 1].mountpoint,
1010 mountlist->el[lino].mountpoint);
1011 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
1012 swap_mountlist_entries(mountlist, lino - 1, lino);
1013 break;
1014 }
1015 }
1016 }
1017}
1018
1019
1020/**
1021 * Swap two entries in the mountlist in-place.
1022 * @param mountlist The mountlist to swap the entries in.
1023 * @param a The index number of the first entry.
1024 * @param b The index number of the second entry.
1025 */
1026void
1027swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
1028{
1029 /*@ mallocs *** */
1030 char *device = NULL;
1031 char *mountpoint = NULL;
1032 char *format = NULL;
1033
1034 long long size;
1035
1036 assert(mountlist != NULL);
1037 assert(a >= 0);
1038 assert(b >= 0);
1039
1040 mr_asprintf(&device, mountlist->el[a].device);
1041 mr_asprintf(&mountpoint, mountlist->el[a].mountpoint);
1042 mr_asprintf(&format, mountlist->el[a].format);
1043
1044 size = mountlist->el[a].size;
1045
1046 strcpy(mountlist->el[a].device, mountlist->el[b].device);
1047 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
1048 strcpy(mountlist->el[a].format, mountlist->el[b].format);
1049
1050 mountlist->el[a].size = mountlist->el[b].size;
1051
1052 strcpy(mountlist->el[b].device, device);
1053 strcpy(mountlist->el[b].mountpoint, mountpoint);
1054 strcpy(mountlist->el[b].format, format);
1055
1056 mountlist->el[b].size = size;
1057 mr_free(device);
1058 mr_free(mountpoint);
1059 mr_free(format);
1060}
1061
1062/* @} - end of mountlistGroup */
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