source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-mountlist.c@ 2372

Last change on this file since 2372 was 2372, checked in by Bruno Cornec, 15 years ago
  • Fix a problem a error detection in evaluate_mountlist which casued nuke mode to abort. Error string should also be better now.

(Backport from 2.2.9)
  • Property svn:keywords set to Id
File size: 29.6 KB
Line 
1/* subroutines for handling mountlist
2 $Id: libmondo-mountlist.c 2372 2009-09-08 11:44:12Z bruno $
3*/
4
5
6/**
7 * @file
8 * Functions which manipulate the mountlist.
9 */
10
11#include "my-stuff.h"
12#include "mr_mem.h"
13#include "mondostructures.h"
14#include "libmondo-mountlist.h"
15#include "lib-common-externs.h"
16#include "libmondo-raid-EXT.h"
17#include "libmondo-devices-EXT.h"
18#include "libmondo-tools-EXT.h"
19#include "libmondo-string-EXT.h"
20#include "newt-specific-EXT.h"
21
22/*@unused@*/
23//static char cvsid[] = "$Id: libmondo-mountlist.c 2372 2009-09-08 11:44:12Z bruno $";
24
25/* Reference to global bkpinfo */
26extern struct s_bkpinfo *bkpinfo;
27
28/**
29 * @addtogroup mountlistGroup
30 * @{
31 */
32/**
33 * Evaluate a drive within the mountlist for flaws. For example, too many
34 * primary partitions, the first logical isn't 5, duplicate partitions,
35 * ovar-allocated or under-allocated, unsupported format, silly size, or
36 * silly mountpoint. Under FreeBSD, this checks the disklabel too, for the above-mentioned
37 * errors as well as too many BSD partitions (more than 'h').
38 * @param mountlist The mountlist to check.
39 * @param drive The drive to check (e.g. @c /dev/hda).
40 * @return The flaws string found (NULL for success) allocated to be freed
41 * @see evaluate_mountlist
42 */
43char *evaluate_drive_within_mountlist(struct mountlist_itself *mountlist, char *drive)
44#ifdef __FreeBSD__
45{
46// FreeBSD-specific version of evaluate_drive_within_mountlist()
47 /*@ int ************************************************************* */
48 int prev_part_no = 0;
49 int curr_part_no = 0;
50 int pos = 0, npos = 0;
51 int res = 0;
52 int mountpoint_copies = 0;
53 int device_copies = 0;
54 int i = 0;
55 int cur_sp_no = 0;
56 int prev_sp_no = 0;
57 int foundsome = FALSE;
58
59 /*@ buffers ******************************************************** */
60 char tmp = NULL;
61 char *device = NULL;
62
63 char *flaws_str = NULL;
64
65 /*@ long *********************************************************** */
66 long physical_drive_size = 0;
67 long amount_allocated = 0;
68
69 /*@ pointers ******************************************************* */
70 char *part_table_fmt;
71
72 /*@ initialize ***************************************************** */
73 prev_part_no = 0;
74 mr_asprintf(flaws_str, "%s", "");
75
76
77 physical_drive_size = get_phys_size_of_drive(drive);
78
79 if (physical_drive_size < 0) {
80 mr_asprintf(tmp, " %s does not exist.", drive);
81 mr_strcat(flaws_str, "%s", tmp);
82 } else {
83 mr_asprintf(tmp, "%s is %ld MB", drive, physical_drive_size);
84 }
85 log_it(tmp);
86 mr_free(tmp);
87
88
89 /* check DD */
90 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
91 mr_asprintf(device, "%s%c", drive, cur_sp_no);
92 if (find_device_in_mountlist(mountlist, device) >= 0) {
93 foundsome = TRUE;
94 }
95 mr_free(device);
96 }
97 if (foundsome) {
98 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
99 mr_asprintf(device, "%s%c", drive, cur_sp_no);
100 pos = find_device_in_mountlist(mountlist, device);
101 if (pos < 0) {
102 mr_free(device);
103 continue;
104 }
105 /* is it too big? */
106 if (curr_part_no > 'h') {
107 mr_asprintf(tmp, " Can only have up to 'h' in disklabel.");
108 log_it(tmp);
109 mr_strcat(flaws_str, tmp);
110 mr_free(tmp);
111 res++;
112 }
113 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
114 for (i = 0, mountpoint_copies = 0, device_copies = 0;
115 i < mountlist->entries; i++) {
116 if (!strcmp(device, mountlist->el[i].device)) {
117 device_copies++;
118 }
119 }
120 if (device_copies > 1) {
121 mr_asprintf(tmp, " %s %s's.", number_to_text(device_copies), device);
122 if (!strstr(flaws_str, tmp)) {
123 log_it(tmp);
124 mr_strcat(flaws_str, tmp);
125 res++;
126 }
127 mr_free(tmp);
128 }
129 /* silly partition size? */
130 if (mountlist->el[pos].size < 8192
131 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
132 mr_asprintf(tmp, " %s is tiny!", device);
133 log_it(tmp);
134 mr_strcat(flaws_str, tmp);
135 mr_free(tmp);
136 res++;
137 }
138 /* mountpoint should begin with / unless it is swap, lvm or raid */
139 if (strcmp(mountlist->el[pos].mountpoint, "swap")
140 && strcmp(mountlist->el[pos].mountpoint, "lvm")
141 && strcmp(mountlist->el[pos].mountpoint, "raid")
142 && strcmp(mountlist->el[pos].mountpoint, "image")
143 && strcmp(mountlist->el[pos].mountpoint, "none")
144 && mountlist->el[pos].mountpoint[0] != '/') {
145 mr_asprintf(tmp, " %s has a weird mountpoint.", device);
146 log_it(tmp);
147 mr_strcat(flaws_str, tmp);
148 mr_free(tmp);
149 res++;
150 }
151 /* is format sensible? */
152 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
153 mr_asprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
154 log_it(tmp);
155 mr_strcat(flaws_str, tmp);
156 mr_free(tmp);
157 res++;
158 }
159 mr_free(device);
160
161 amount_allocated += mountlist->el[pos].size / 1024L;
162 prev_sp_no = cur_sp_no;
163 }
164 }
165
166 npos = pos = 0;
167 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
168 device = build_partition_name(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(tmp, "%ss%i%c", device, curr_part_no, cur_sp_no);
173 if (find_device_in_mountlist(mountlist, tmp) >= 0) {
174 npos++;
175 }
176 mr_free(tmp);
177 }
178 mr_free(device);
179
180 if (((pos >= 0) || npos) && foundsome) {
181 mr_strcat(flaws_str, " %s has both DD and PC-style partitions.", drive);
182 return(flaws_str); // fatal error
183 }
184
185 device = build_partition_name(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 mr_strcat(flaws_str, "%s", 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, prev_part_no, curr_part_no);
198 log_it(tmp);
199 mr_strcat(flaws_str, "%s", tmp);
200 mr_free(tmp);
201 res++;
202 }
203 }
204 /* GPT allows more than 4 primary partitions */
205 part_table_fmt = which_partition_format(drive);
206 /* no spare primary partitions to help accommodate the logical(s)? */
207 if ((curr_part_no >= 5 && prev_part_no == 4)
208 && (strcmp(part_table_fmt, "MBR") == 0)) {
209 mr_asprintf(tmp, " Partition %ss4 is occupied.", drive);
210 log_it(tmp);
211 mr_strcat(flaws_str, "%s", tmp);
212 mr_free(tmp);
213 res++;
214 }
215 /* does partition /dev/adXsY exist more than once in the mountlist? */
216 for (i = 0, mountpoint_copies = 0, device_copies = 0;
217 i < mountlist->entries; i++) {
218 if (!strcmp(device, mountlist->el[i].device)) {
219 device_copies++;
220 }
221 }
222 if (device_copies > 1) {
223 mr_asprintf(tmp, " %s %s's.", number_to_text(device_copies), device);
224 if (!strstr(flaws_str, "%s", tmp)) {
225 log_it(tmp);
226 mr_strcat(flaws_str, "%s", tmp);
227 res++;
228 }
229 mr_free(tmp);
230 }
231 /* silly partition size? */
232 if (mountlist->el[pos].size < 8192
233 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
234 mr_asprintf(tmp, " %s is tiny!", device);
235 log_it(tmp);
236 mr_strcat(flaws_str, "%s", tmp);
237 mr_free(tmp);
238 res++;
239 }
240 /* mountpoint should begin with / unless it is swap, lvm or raid */
241 if (strcmp(mountlist->el[pos].mountpoint, "swap")
242 && strcmp(mountlist->el[pos].mountpoint, "lvm")
243 && strcmp(mountlist->el[pos].mountpoint, "raid")
244 && strcmp(mountlist->el[pos].mountpoint, "image")
245 && strcmp(mountlist->el[pos].mountpoint, "none")
246 && mountlist->el[pos].mountpoint[0] != '/') {
247 mr_asprintf(tmp, " %s has a weird mountpoint.", device);
248 log_it(tmp);
249 mr_strcat(flaws_str, "%s", tmp);
250 mr_free(tmp);
251 res++;
252 }
253 /* is format sensible? */
254 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
255 mr_asprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
256 log_it(tmp);
257 mr_strcat(flaws_str, "%s", tmp);
258 mr_free(tmp);
259 res++;
260 }
261 } else {
262 /* Check subpartitions */
263 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
264 mr_free(device);
265 mr_asprintf(device, "%ss%d%c", drive, curr_part_no, cur_sp_no);
266 pos = find_device_in_mountlist(mountlist, device);
267 if (pos < 0) {
268 continue;
269 }
270 /* is it too big? */
271 if (curr_part_no > 'h') {
272 mr_asprintf(tmp, " Can only have up to 'h' in disklabel.");
273 log_it(tmp);
274 mr_strcat(flaws_str, "%s", tmp);
275 mr_free(tmp);
276 res++;
277 }
278 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
279 for (i = 0, mountpoint_copies = 0, device_copies = 0;
280 i < mountlist->entries; i++) {
281 if (!strcmp(device, mountlist->el[i].device)) {
282 device_copies++;
283 }
284 }
285 if (device_copies > 1) {
286 mr_asprintf(tmp, " %s %s's.", number_to_text(device_copies), device);
287 if (!strstr(flaws_str, tmp)) {
288 log_it(tmp);
289 mr_strcat(flaws_str, "%s", tmp);
290 res++;
291 }
292 mr_free(tmp);
293 }
294 /* silly partition size? */
295 if (mountlist->el[pos].size < 8192
296 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
297 mr_asprintf(tmp, " %s is tiny!", device);
298 log_it(tmp);
299 mr_strcat(flaws_str, "%s", tmp);
300 mr_free(tmp);
301 res++;
302 }
303 /* mountpoint should begin with / unless it is swap, lvm or raid */
304 if (strcmp(mountlist->el[pos].mountpoint, "swap")
305 && strcmp(mountlist->el[pos].mountpoint, "lvm")
306 && strcmp(mountlist->el[pos].mountpoint, "raid")
307 && strcmp(mountlist->el[pos].mountpoint, "image")
308 && strcmp(mountlist->el[pos].mountpoint, "none")
309 && mountlist->el[pos].mountpoint[0] != '/') {
310 mr_asprintf(tmp, " %s has a weird mountpoint.", device);
311 log_it(tmp);
312 mr_strcat(flaws_str, "%s", tmp);
313 mr_free(tmp);
314 res++;
315 }
316 /* is format sensible? */
317 if (!is_this_a_valid_disk_format
318 (mountlist->el[pos].format)) {
319 mr_asprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
320 log_it(tmp);
321 mr_strcat(flaws_str, "%s", tmp);
322 mr_free(tmp);
323 res++;
324 }
325 amount_allocated += mountlist->el[pos].size / 1024L;
326 prev_sp_no = cur_sp_no;
327 }
328 }
329 mr_free(device);
330
331 /* OK, continue with main loop */
332 amount_allocated += mountlist->el[pos].size / 1024L;
333 prev_part_no = curr_part_no;
334 }
335
336 /* Over-allocated the disk? Unallocated space on disk? */
337 if (amount_allocated > physical_drive_size) // Used to be +1, but what if you're 1 MB too high?
338 {
339 mr_asprintf(tmp, " %ld MB over-allocated on %s.", amount_allocated - physical_drive_size, drive);
340 log_it(tmp);
341 mr_strcat(flaws_str, "%s", tmp);
342 mr_free(tmp);
343 res++;
344 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
345 mr_asprintf(tmp, " %ld MB unallocated on %s.", physical_drive_size - amount_allocated, drive);
346 log_it(tmp);
347 mr_strcat(flaws_str, "%s", tmp);
348 mr_free(tmp);
349 }
350 if (res) {
351 return (NULL);
352 } else {
353 return (flaws_str);
354 }
355}
356
357#else
358// Linux-specific version of evaluate_drive_within_mountlist()
359{
360
361 /*@ int ************************************************************* */
362 int prev_part_no = 0;
363 int curr_part_no = 0;
364 int pos = 0;
365 int res = 0;
366 int mountpoint_copies = 0;
367 int device_copies = 0;
368 int i = 0;
369
370 /*@ buffers ******************************************************** */
371 char *tmp = NULL;
372 char *device = NULL;
373 char *flaws_str = NULL;
374
375 /*@ long *********************************************************** */
376 long physical_drive_size = 0L;
377 long amount_allocated = 0L;
378
379 /*@ pointers ******************************************************* */
380 char *part_table_fmt = NULL;
381
382 /*@ initialize ***************************************************** */
383 assert_string_is_neither_NULL_nor_zerolength(drive);
384 assert(mountlist != NULL);
385 mr_asprintf(flaws_str, "%s", "");
386
387 prev_part_no = 0;
388
389 physical_drive_size = get_phys_size_of_drive(drive);
390
391 if (physical_drive_size < 0) {
392 mr_asprintf(tmp, " %s does not exist.", drive);
393 log_it(tmp);
394 mr_strcat(flaws_str, "%s", tmp);
395 res++;
396 mr_free(tmp);
397 return(flaws_str);
398 } else {
399 log_it("%s is %ld MB", drive, physical_drive_size);
400 }
401
402 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
403 device = build_partition_name(drive, curr_part_no);
404 pos = find_device_in_mountlist(mountlist, device);
405 if (pos < 0) {
406 continue;
407 }
408 /* gap in the partition list? */
409 if (curr_part_no - prev_part_no > 1) {
410 if (prev_part_no == 0) {
411 mr_asprintf(tmp, " Gap prior to %s.", device);
412 log_it(tmp);
413 mr_strcat(flaws_str, "%s", tmp);
414 mr_free(tmp);
415 res++;
416 } else if (curr_part_no > 5
417 || (curr_part_no <= 4 && prev_part_no > 0)) {
418 mr_asprintf(tmp, " Gap on %s between %d and %d.", drive, prev_part_no, curr_part_no);
419 log_it(tmp);
420 mr_strcat(flaws_str, "%s", tmp);
421 mr_free(tmp);
422 res++;
423 }
424 }
425 /* GPT allows more than 4 primary partitions */
426 part_table_fmt = which_partition_format(drive);
427 /* no spare primary partitions to help accommodate the logical(s)? */
428 if ((curr_part_no >= 5 && prev_part_no == 4) && (strcmp(part_table_fmt, "MBR") == 0)) {
429 mr_asprintf(tmp, " Partition 4 of %s is occupied.", drive);
430 log_it(tmp);
431 mr_strcat(flaws_str, "%s", tmp);
432 mr_free(tmp);
433 res++;
434 }
435 mr_free(part_table_fmt);
436
437 /* does partition /dev/hdNX exist more than once in the mountlist? */
438 for (i = 0, mountpoint_copies = 0, device_copies = 0;
439 i < mountlist->entries; i++) {
440 if (!strcmp(device, mountlist->el[i].device)) {
441 device_copies++;
442 }
443 }
444 if (device_copies > 1) {
445 mr_asprintf(tmp, " %s %s's.", number_to_text(device_copies), device);
446 if (!strstr(flaws_str, tmp)) {
447 log_it(tmp);
448 mr_strcat(flaws_str, "%s", tmp);
449 res++;
450 }
451 mr_free(tmp);
452 }
453 /* silly partition size? */
454 if (mountlist->el[pos].size < 8192
455 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
456 mr_asprintf(tmp, " %s is tiny!", device);
457 log_it(tmp);
458 mr_strcat(flaws_str, "%s", tmp);
459 mr_free(tmp);
460 res++;
461 }
462 /* mountpoint should begin with / unless it is swap, lvm or raid */
463 if (strcmp(mountlist->el[pos].mountpoint, "swap")
464 && strcmp(mountlist->el[pos].mountpoint, "lvm")
465 && strcmp(mountlist->el[pos].mountpoint, "raid")
466 && strcmp(mountlist->el[pos].mountpoint, "image")
467 && mountlist->el[pos].mountpoint[0] != '/') {
468 mr_asprintf(tmp, " %s has a weird mountpoint.", device);
469 log_it(tmp);
470 mr_strcat(flaws_str, "%s", tmp);
471 mr_free(tmp);
472 res++;
473 }
474 /* is format sensible? */
475 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
476 mr_asprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
477 log_it(tmp);
478 mr_strcat(flaws_str, "%s", tmp);
479 mr_free(tmp);
480 res++;
481 }
482 /* OK, continue with main loop */
483 amount_allocated += mountlist->el[pos].size / 1024L;
484 prev_part_no = curr_part_no;
485 mr_free(device);
486 }
487
488 /* Over-allocated the disk? Unallocated space on disk? */
489 if (amount_allocated > physical_drive_size + 1) {
490 mr_asprintf(tmp, " %ld MB over-allocated on %s.", amount_allocated - physical_drive_size, drive);
491 log_it(tmp);
492 mr_strcat(flaws_str, "%s", tmp);
493 mr_free(tmp);
494 res++;
495 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
496 mr_asprintf(tmp, " %ld MB unallocated on %s.", physical_drive_size - amount_allocated, drive);
497 log_it(tmp);
498 mr_strcat(flaws_str, "%s", tmp);
499 mr_free(tmp);
500 }
501
502 if (res == 0) {
503 mr_free(flaws_str);
504 return (NULL);
505 } else {
506 return (flaws_str);
507 }
508}
509#endif
510
511
512/**
513 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
514 * for each drive, and then spreads the flaws across three lines.
515 * @param mountlist The mountlist to evaluate.
516 * @param flaws_str_A Where to put the first line listing errors found.
517 * @param flaws_str_B Where to put the second line listing errors found.
518 * @param flaws_str_C Where to put the third line listing errors found.
519 * @return The number of flaws found (0 for success).
520 * @see evaluate_drive_within_mountlist
521 */
522char *evaluate_mountlist(struct mountlist_itself *mountlist, int *res) {
523
524 /*@ buffer *********************************************************** */
525 struct list_of_disks *drivelist;
526 char *tmp = NULL;
527 char *flaws_str = NULL;
528
529 /*@ int ************************************************************** */
530 int i = 0;
531
532 /*@ initialize ******************************************************* */
533
534 *res = 0;
535 drivelist = malloc(sizeof(struct list_of_disks));
536 assert(mountlist != NULL);
537
538 mr_asprintf(flaws_str, "%s", "");
539
540 make_list_of_drives_in_mountlist(mountlist, drivelist);
541
542 log_it("Evaluating mountlist...");
543
544 for (i = 0; i < drivelist->entries; i++) {
545 if (strstr
546 (drivelist->el[i].device,
547 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
548 log_it(" Not evaluating %s (I don't know how yet)", drivelist->el[i].device);
549 } else {
550 log_msg(8, "Evaluating drive #%d (%s) within mountlist", i, drivelist->el[i].device);
551 tmp = evaluate_drive_within_mountlist(mountlist, drivelist->el[i].device);
552 if (tmp != NULL) {
553 (*res)++;
554 }
555 }
556 log_msg(8,"Entry: %d (%s)", i, drivelist->el[i].device);
557 /* BCO: tmp can be NULL */
558 if (tmp != NULL) {
559 log_msg(8,"Adding: %s to %s", tmp, flaws_str);
560 mr_strcat(flaws_str, "%s", tmp);
561 mr_free(tmp);
562 }
563 }
564 *res += look_for_duplicate_mountpoints(mountlist, flaws_str);
565 return(flaws_str);
566}
567
568
569/**
570 * Find the index number of @p device in the mountlist.
571 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
572 * @param mountlist The mountlist to search in.
573 * @param device The device to search for.
574 * @return The zero-based index of the device, or -1 if it could not be found.
575 */
576int
577find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
578{
579
580 /*@ int ************************************************************** */
581 int i = 0;
582
583 assert(mountlist != NULL);
584 assert_string_is_neither_NULL_nor_zerolength(device);
585 for (i = 0;
586 i < mountlist->entries
587 && strcmp(mountlist->el[i].device, device) != 0; i++);
588
589 if (i == mountlist->entries) {
590 return (-1);
591 } else {
592 return (i);
593 }
594}
595
596
597/**
598 * Look for duplicate mountpoints in @p mountlist.
599 * @param mountlist The mountlist to check.
600 * @param flaws_str The flaws string to append the results to.
601 * @return The number of mountpoints that have duplicates, or 0 for success.
602 */
603int
604look_for_duplicate_mountpoints(struct mountlist_itself *mountlist, char *flaws_str)
605{
606
607 /*@ int ************************************************************* */
608 int res = 0;
609 int currline = 0;
610 int i = 0;
611 int copies = 0;
612 int last_copy = 0;
613
614 /*@ buffetr ********************************************************* */
615 char *curr_mountpoint = NULL;
616 char *tmp = NULL;
617
618 assert(mountlist != NULL);
619 assert(flaws_str != NULL);
620
621 for (currline = 0; currline < mountlist->entries; currline++) {
622 mr_asprintf(curr_mountpoint, "%s", mountlist->el[currline].mountpoint);
623 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries;
624 i++) {
625 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
626 && strcmp(mountlist->el[i].mountpoint, "lvm")
627 && strcmp(mountlist->el[i].mountpoint, "swap")) {
628 last_copy = i;
629 copies++;
630 }
631 }
632 if (copies > 1 && last_copy == currline
633 && strcmp(curr_mountpoint, "raid")) {
634 mr_asprintf(tmp, " %s %s's.", number_to_text(copies), curr_mountpoint);
635 mr_strcat(flaws_str, "%s", tmp);
636 log_it(tmp);
637 mr_free(tmp);
638 res++;
639 }
640 mr_free(curr_mountpoint);
641 }
642 return (res);
643}
644
645
646/**
647 * Make a list of the drives mentioned in the mountlist.
648 * @param mountlist The mountlist to examine.
649 * @param drivelist Where to put the list of drives found.
650 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
651 */
652int
653make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
654 struct list_of_disks *drivelist)
655{
656
657 /*@ int ************************************************************* */
658 int lino;
659 int noof_drives;
660 int j;
661
662 /*@ buffers ********************************************************* */
663 char *drive = NULL;
664 char *truncdrive = NULL;
665
666 long long size;
667
668 assert(mountlist != NULL);
669 assert(drivelist != NULL);
670 log_it("Making list of drives");
671 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
672
673 mr_asprintf(drive, "%s", mountlist->el[lino].device);
674 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
675 log_msg(8, "Not putting %s in list of drives: it's a virtual drive", drive);
676 mr_free(drive);
677 continue;
678 }
679
680 size = mountlist->el[lino].size;
681 if (size == 0) {
682 log_msg(8, "Not putting %s in list of drives: it has zero size (maybe an LVM volume)", drive);
683 mr_free(drive);
684 continue;
685 }
686
687 log_msg(8, "Putting %s with size %lli in list of drives", drive, size);
688
689 /* memory allocation */
690 truncdrive = truncate_to_drive_name(drive);
691 mr_free(drive);
692
693 log_msg(8, "drive truncated to %s", truncdrive);
694
695 for (j = 0;
696 j < noof_drives
697 && strcmp(drivelist->el[j].device, truncdrive) != 0; j++) {
698 continue;
699 }
700 if (j == noof_drives) {
701 strncpy(drivelist->el[noof_drives].device, truncdrive, 63);
702 drivelist->el[noof_drives].device[63] = '\0';
703 log_msg(8,"Adding drive %s to list", drivelist->el[noof_drives].device);
704 noof_drives++;
705 }
706 paranoid_free(truncdrive);
707 if (noof_drives >= MAXIMUM_DISKS_PER_RAID_DEV) {
708 log_msg(0, "Unable to handle mountlist with more than %d lines", MAXIMUM_DISKS_PER_RAID_DEV);
709 log_to_screen("Unable to handle a so big mountlist");
710 finish(1);
711 }
712 }
713 drivelist->entries = noof_drives;
714 log_msg(8, "Made list of %d drives",noof_drives);
715
716 return (noof_drives);
717}
718
719
720/**
721 * Make a list of RAID partitions not currently associated with any RAID device.
722 * The user may add any of these partitions to the RAID device.
723 * @param output_list Where to put the list of unallocated RAID partitions.
724 * @param mountlist The mountlist to examine.
725 * @param raidlist The raidlist to examine.
726 */
727void make_list_of_unallocated_raid_partitions(struct mountlist_itself
728 *output_list,
729 struct mountlist_itself
730 *mountlist,
731 struct raidlist_itself
732 *raidlist)
733{
734
735 /*@ int ************************************************************* */
736 int items = 0;
737 int i = 0;
738 int used_by = 0;
739
740 assert(output_list != NULL);
741 assert(mountlist != NULL);
742 assert(raidlist != NULL);
743 log_it("MLOURP -- starting");
744 items = 0;
745
746
747 for (i = 0; i < mountlist->entries; i++) {
748 if (strstr(mountlist->el[i].mountpoint, "raid")) {
749 used_by = which_raid_device_is_using_this_partition(raidlist,
750 mountlist->el[i].
751 device);
752 if (used_by < 0) {
753 memcpy((void *) &output_list->el[items++],
754 (void *) &mountlist->el[i],
755 sizeof(struct mountlist_line));
756 log_it("%s is available; user may choose to add it to raid device", output_list->el[items - 1].device);
757 }
758 }
759 }
760 output_list->entries = items;
761 log_it("MLUORP -- ending");
762}
763
764
765/**
766 * Get the size of a mountlist entry by the @c device field.
767 * @param mountlist The mountlist to search in.
768 * @param device The device to search for
769 * @return The size of the device (in KB), or -1 if it could not be found.
770 */
771long long
772size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
773 char *device)
774{
775 /*@ int ************************************************************** */
776 int i = 0;
777
778
779 assert(mountlist != NULL);
780 assert_string_is_neither_NULL_nor_zerolength(device);
781
782 for (i = 0;
783 i < mountlist->entries && strcmp(mountlist->el[i].device, device);
784 i++);
785 if (i == mountlist->entries) {
786 return (-1);
787 } else {
788 return (mountlist->el[i].size);
789 }
790}
791
792
793/**
794 * Load a file on disk into @p mountlist.
795 * The file on disk should consist of multiple lines, each containing 4 or 5
796 * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
797 * Comments begin with a '#' without any leading whitespace. Any duplicate
798 * entries are renamed.
799 * @param mountlist The mountlist to load into.
800 * @param fname The name of the file to load the mountlist from.
801 * @return 0 for success, 1 for failure.
802 */
803int load_mountlist(struct mountlist_itself *mountlist, char *fname)
804{
805 FILE *fin = NULL;
806 /* malloc ** */
807 char *incoming = NULL;
808 char *siz = NULL;
809 char *tmp = NULL;
810 char *p = NULL;
811
812 int items = 0;
813 int j = 0;
814 int res = 0;
815
816 assert(mountlist != NULL);
817 assert_string_is_neither_NULL_nor_zerolength(fname);
818
819 if (!(fin = fopen(fname, "r"))) {
820 log_it("Unable to open mountlist - '%s'", fname);
821 log_to_screen("Cannot open mountlist");
822 return (1);
823 }
824 malloc_string(siz);
825 log_it("Loading mountlist...");
826 mr_getline(incoming, fin);
827 while (!feof(fin)) {
828#if linux
829 res = sscanf(incoming, "%s %s %s %s %s", mountlist->el[items].device, mountlist->el[items].mountpoint, mountlist->el[items].format, siz, mountlist->el[items].label);
830 if (res < 5) {
831 /* no label found */
832 log_msg(4, "no label found for %s",mountlist->el[items].device);
833 strcpy(mountlist->el[items].label,"");
834 }
835#elif __FreeBSD__
836 res = sscanf(incoming, "%s %s %s %s", mountlist->el[items].device, mountlist->el[items].mountpoint, mountlist->el[items].format, siz);
837 strcpy(mountlist->el[items].label,"");
838#endif
839
840 if (!strcmp(mountlist->el[items].device, "/proc") ||
841 !strcmp(mountlist->el[items].device, "proc") ||
842 !strcmp(mountlist->el[items].device, "/sys") ||
843 !strcmp(mountlist->el[items].device, "sys") ||
844 !strcmp(mountlist->el[items].device, "/devpts") ||
845 !strcmp(mountlist->el[items].device, "devpts")
846 ) {
847 log_msg(1, "Ignoring %s in mountlist - not loading that line :) ", mountlist->el[items].device);
848 mr_free(incoming);
849 mr_getline(incoming, fin);
850 continue;
851 }
852 mountlist->el[items].size = atoll(siz);
853 if (mountlist->el[items].device[0] != '\0'
854 && mountlist->el[items].device[0] != '#') {
855 for (j = 0;
856 j < items
857 && strcmp(mountlist->el[j].device,
858 mountlist->el[items].device); j++);
859 if (j < items) {
860 strcat(mountlist->el[items].device, "_dup");
861 log_it("Duplicate entry in mountlist - renaming to %s", mountlist->el[items].device);
862 }
863 mr_asprintf(tmp, "%s", mountlist->el[items].device);
864 if (strstr(tmp, "/dev/md/")) {
865 log_it("format_device() --- Contracting %s", tmp);
866 p = strrchr(tmp, '/');
867 if (p) {
868 *p = *(p + 1);
869 *(p + 1) = *(p + 2);
870 *(p + 2) = *(p + 3);
871 }
872 log_it("It was %s; it is now %s", mountlist->el[items].device, tmp);
873 strcpy(mountlist->el[items].device, tmp);
874 }
875 paranoid_free(tmp);
876
877 log_it("%s %s %s %lld %s", mountlist->el[items].device, mountlist->el[items].mountpoint, mountlist->el[items].format, mountlist->el[items].size, mountlist->el[items].label);
878 items++;
879 if (items >= MAX_MOUNTLIST_ENTRIES) {
880 log_to_screen("Too many lines in mountlist.. ABORTING");
881 finish(1);
882 }
883 }
884 mr_free(incoming);
885 mr_getline(incoming, fin);
886 }
887 mr_free(incoming);
888 paranoid_fclose(fin);
889 mountlist->entries = items;
890
891 log_it("Mountlist loaded successfully.");
892 log_it("%d entries in mountlist", items);
893
894 paranoid_free(siz);
895 return (0);
896}
897
898
899
900/**
901 * Save @p mountlist to a file on disk.
902 * @param mountlist The mountlist to save.
903 * @param fname The file to save it to.
904 * @return 0 for success, 1 for failure.
905 * @see load_mountlist
906 */
907int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
908{
909 FILE *fout;
910 int i;
911
912 assert(mountlist != NULL);
913 assert_string_is_neither_NULL_nor_zerolength(fname);
914
915 log_it("save_mountlist_to_disk() --- saving to %s", fname);
916 if (!(fout = fopen(fname, "w"))) {
917 log_OS_error("WMTD - Cannot openout mountlist");
918 return (1);
919 }
920 for (i = 0; i < mountlist->entries; i++) {
921 fprintf(fout,
922 "%-15s %-15s %-15s %-15lld %-15s\n",
923 mountlist->el[i].device, mountlist->el[i].mountpoint,
924 mountlist->el[i].format, mountlist->el[i].size,
925 mountlist->el[i].label);
926 }
927 paranoid_fclose(fout);
928 return (0);
929}
930
931
932/**
933 * Sort the mountlist alphabetically by device.
934 * The sorting is done in-place.
935 * @param mountlist The mountlist to sort.
936 */
937void sort_mountlist_by_device(struct mountlist_itself *mountlist)
938{
939 int diff;
940 int lino = -999;
941
942 assert(mountlist != NULL);
943
944 while (lino < mountlist->entries) {
945 for (lino = 1; lino < mountlist->entries; lino++) {
946 diff =
947 strcmp_inc_numbers(mountlist->el[lino - 1].device,
948 mountlist->el[lino].device);
949 if (diff > 0) {
950 swap_mountlist_entries(mountlist, lino - 1, lino);
951 break;
952 }
953 }
954 }
955}
956
957
958/**
959 * Sort the mountlist alphabetically by mountpoint.
960 * The sorting is done in-place.
961 * @param mountlist The mountlist to sort.
962 * @param reverse If TRUE, then do a reverse sort.
963 */
964void
965sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
966 bool reverse)
967{
968 int diff;
969 int lino = -999;
970
971 assert(mountlist != NULL);
972
973 while (lino < mountlist->entries) {
974 for (lino = 1; lino < mountlist->entries; lino++) {
975 diff =
976 strcmp(mountlist->el[lino - 1].mountpoint,
977 mountlist->el[lino].mountpoint);
978 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
979 swap_mountlist_entries(mountlist, lino - 1, lino);
980 break;
981 }
982 }
983 }
984}
985
986
987/**
988 * Swap two entries in the mountlist in-place.
989 * @param mountlist The mountlist to swap the entries in.
990 * @param a The index number of the first entry.
991 * @param b The index number of the second entry.
992 */
993void
994swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
995{
996 /*@ mallocs *** */
997 char *device = NULL;
998 char *mountpoint = NULL;
999 char *format = NULL;
1000
1001 long long size;
1002
1003 assert(mountlist != NULL);
1004 assert(a >= 0);
1005 assert(b >= 0);
1006
1007 mr_asprintf(device, "%s", mountlist->el[a].device);
1008 mr_asprintf(mountpoint, "%s", mountlist->el[a].mountpoint);
1009 mr_asprintf(format, "%s", mountlist->el[a].format);
1010
1011 size = mountlist->el[a].size;
1012
1013 strcpy(mountlist->el[a].device, mountlist->el[b].device);
1014 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
1015 strcpy(mountlist->el[a].format, mountlist->el[b].format);
1016
1017 mountlist->el[a].size = mountlist->el[b].size;
1018
1019 strcpy(mountlist->el[b].device, device);
1020 strcpy(mountlist->el[b].mountpoint, mountpoint);
1021 strcpy(mountlist->el[b].format, format);
1022
1023 mountlist->el[b].size = size;
1024 mr_free(device);
1025 mr_free(mountpoint);
1026 mr_free(format);
1027}
1028
1029/* @} - end of mountlistGroup */
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