source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-mountlist.c@ 2316

Last change on this file since 2316 was 2316, checked in by Bruno Cornec, 15 years ago

r3327@localhost: bruno | 2009-08-04 00:17:46 +0200
popup_and_get_string and build_partition_name now return an allocated string
  • Property svn:keywords set to Id
File size: 30.6 KB
Line 
1/* subroutines for handling mountlist
2 $Id: libmondo-mountlist.c 2316 2009-08-18 12:34:29Z 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 2316 2009-08-18 12:34:29Z 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 char mountpoint[MAX_STR_LEN];
63
64 char *flaws_str = NULL;
65
66 /*@ long *********************************************************** */
67 long physical_drive_size = 0;
68 long amount_allocated = 0;
69
70 /*@ pointers ******************************************************* */
71 char *part_table_fmt;
72
73 /*@ initialize ***************************************************** */
74 prev_part_no = 0;
75 mr_asprintf(&flaws_str, "%s", "");
76
77
78 physical_drive_size = get_phys_size_of_drive(drive);
79
80 if (physical_drive_size < 0) {
81 mr_asprintf(&tmp, " %s does not exist.", drive);
82 mr_strcat(flaws_str, "%s", tmp);
83 } else {
84 mr_asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
85 }
86 log_it(tmp);
87 mr_free(tmp);
88
89
90 /* check DD */
91 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
92 mr_asprintf(&device, "%s%c", drive, cur_sp_no);
93 if (find_device_in_mountlist(mountlist, device) >= 0) {
94 foundsome = TRUE;
95 }
96 mr_free(device);
97 }
98 if (foundsome) {
99 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
100 mr_asprintf(&device, "%s%c", drive, cur_sp_no);
101 pos = find_device_in_mountlist(mountlist, device);
102 if (pos < 0) {
103 mr_free(device);
104 continue;
105 }
106 strcpy(mountpoint, mountlist->el[pos].mountpoint);
107 /* is it too big? */
108 if (curr_part_no > 'h') {
109 mr_asprintf(&tmp, " Can only have up to 'h' in disklabel.");
110 log_it(tmp);
111 mr_strcat(flaws_str, tmp);
112 mr_free(tmp);
113 res++;
114 }
115 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
116 for (i = 0, mountpoint_copies = 0, device_copies = 0;
117 i < mountlist->entries; i++) {
118 if (!strcmp(device, mountlist->el[i].device)) {
119 device_copies++;
120 }
121 }
122 if (device_copies > 1) {
123 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies), device);
124 if (!strstr(flaws_str, tmp)) {
125 log_it(tmp);
126 mr_strcat(flaws_str, tmp);
127 res++;
128 }
129 mr_free(tmp);
130 }
131 /* silly partition size? */
132 if (mountlist->el[pos].size < 8192
133 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
134 mr_asprintf(&tmp, " %s is tiny!", device);
135 log_it(tmp);
136 mr_strcat(flaws_str, tmp);
137 mr_free(tmp);
138 res++;
139 }
140 /* mountpoint should begin with / unless it is swap, lvm or raid */
141 if (strcmp(mountlist->el[pos].mountpoint, "swap")
142 && strcmp(mountlist->el[pos].mountpoint, "lvm")
143 && strcmp(mountlist->el[pos].mountpoint, "raid")
144 && strcmp(mountlist->el[pos].mountpoint, "image")
145 && strcmp(mountlist->el[pos].mountpoint, "none")
146 && mountlist->el[pos].mountpoint[0] != '/') {
147 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
148 log_it(tmp);
149 mr_strcat(flaws_str, tmp);
150 mr_free(tmp);
151 res++;
152 }
153 /* is format sensible? */
154 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
155 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
156 log_it(tmp);
157 mr_strcat(flaws_str, tmp);
158 mr_free(tmp);
159 res++;
160 }
161 mr_free(device);
162
163 amount_allocated += mountlist->el[pos].size / 1024L;
164 prev_sp_no = cur_sp_no;
165 }
166 }
167
168 npos = pos = 0;
169 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
170 device = build_partition_name(drive, curr_part_no);
171 pos = find_device_in_mountlist(mountlist, device);
172 npos = 0;
173 for (cur_sp_no = 'a'; cur_sp_no <= 'h'; cur_sp_no++) {
174 mr_asprintf(&tmp, "%ss%i%c", device, curr_part_no, cur_sp_no);
175 if (find_device_in_mountlist(mountlist, tmp) >= 0) {
176 npos++;
177 }
178 mr_free(tmp);
179 }
180 mr_free(device);
181
182 if (((pos >= 0) || npos) && foundsome) {
183 mr_strcat(flaws_str, " %s has both DD and PC-style partitions.", drive);
184 return(flaws_str); // fatal error
185 }
186
187 device = build_partition_name(drive, curr_part_no);
188 strcpy(mountpoint, mountlist->el[pos].mountpoint);
189 if (pos > 0 && !npos) {
190 /* gap in the partition list? */
191 if (curr_part_no - prev_part_no > 1) {
192 if (prev_part_no == 0) {
193 mr_asprintf(&tmp, " Gap prior to %s.", device);
194 log_it(tmp);
195 mr_strcat(flaws_str, "%s", tmp);
196 mr_free(tmp);
197 res++;
198 } else if (curr_part_no > 5
199 || (curr_part_no <= 4 && prev_part_no > 0)) {
200 mr_asprintf(&tmp, " Gap between %ss%d and %d.", drive, prev_part_no, curr_part_no);
201 log_it(tmp);
202 mr_strcat(flaws_str, "%s", tmp);
203 mr_free(tmp);
204 res++;
205 }
206 }
207 /* GPT allows more than 4 primary partitions */
208 part_table_fmt = which_partition_format(drive);
209 /* no spare primary partitions to help accommodate the logical(s)? */
210 if ((curr_part_no >= 5 && prev_part_no == 4)
211 && (strcmp(part_table_fmt, "MBR") == 0)) {
212 mr_asprintf(&tmp, " Partition %ss4 is occupied.", drive);
213 log_it(tmp);
214 mr_strcat(flaws_str, "%s", tmp);
215 mr_free(tmp);
216 res++;
217 }
218 /* does partition /dev/adXsY exist more than once in the mountlist? */
219 for (i = 0, mountpoint_copies = 0, device_copies = 0;
220 i < mountlist->entries; i++) {
221 if (!strcmp(device, mountlist->el[i].device)) {
222 device_copies++;
223 }
224 }
225 if (device_copies > 1) {
226 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies), device);
227 if (!strstr(flaws_str, "%s", tmp)) {
228 log_it(tmp);
229 mr_strcat(flaws_str, "%s", tmp);
230 res++;
231 }
232 mr_free(tmp);
233 }
234 /* silly partition size? */
235 if (mountlist->el[pos].size < 8192
236 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
237 mr_asprintf(&tmp, " %s is tiny!", device);
238 log_it(tmp);
239 mr_strcat(flaws_str, "%s", tmp);
240 mr_free(tmp);
241 res++;
242 }
243 /* mountpoint should begin with / unless it is swap, lvm or raid */
244 if (strcmp(mountlist->el[pos].mountpoint, "swap")
245 && strcmp(mountlist->el[pos].mountpoint, "lvm")
246 && strcmp(mountlist->el[pos].mountpoint, "raid")
247 && strcmp(mountlist->el[pos].mountpoint, "image")
248 && strcmp(mountlist->el[pos].mountpoint, "none")
249 && mountlist->el[pos].mountpoint[0] != '/') {
250 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
251 log_it(tmp);
252 mr_strcat(flaws_str, "%s", tmp);
253 mr_free(tmp);
254 res++;
255 }
256 /* is format sensible? */
257 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
258 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
259 log_it(tmp);
260 mr_strcat(flaws_str, "%s", tmp);
261 mr_free(tmp);
262 res++;
263 }
264 } else {
265 /* Check subpartitions */
266 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
267 mr_free(device);
268 mr_asprintf(device, "%ss%d%c", drive, curr_part_no, cur_sp_no);
269 pos = find_device_in_mountlist(mountlist, device);
270 if (pos < 0) {
271 continue;
272 }
273 strcpy(mountpoint, mountlist->el[pos].mountpoint);
274 /* is it too big? */
275 if (curr_part_no > 'h') {
276 mr_asprintf(&tmp, " Can only have up to 'h' in disklabel.");
277 log_it(tmp);
278 mr_strcat(flaws_str, "%s", tmp);
279 mr_free(tmp);
280 res++;
281 }
282 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
283 for (i = 0, mountpoint_copies = 0, device_copies = 0;
284 i < mountlist->entries; i++) {
285 if (!strcmp(device, mountlist->el[i].device)) {
286 device_copies++;
287 }
288 }
289 if (device_copies > 1) {
290 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies), device);
291 if (!strstr(flaws_str, tmp)) {
292 log_it(tmp);
293 mr_strcat(flaws_str, "%s", 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 mr_strcat(flaws_str, "%s", 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 mr_strcat(flaws_str, "%s", 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 mr_strcat(flaws_str, "%s", tmp);
326 mr_free(tmp);
327 res++;
328 }
329 amount_allocated += mountlist->el[pos].size / 1024L;
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 / 1024L;
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 mr_strcat(flaws_str, "%s", 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 mr_strcat(flaws_str, "%s", tmp);
354 mr_free(tmp);
355 }
356 if (res) {
357 return (NULL);
358 } else {
359 return (flaws_str);
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 char *flaws_str = NULL;
380
381 /*@ long *********************************************************** */
382 long physical_drive_size = 0L;
383 long amount_allocated = 0L;
384
385 /*@ pointers ******************************************************* */
386 char *part_table_fmt = NULL;
387
388 /*@ initialize ***************************************************** */
389 assert_string_is_neither_NULL_nor_zerolength(drive);
390 assert(mountlist != NULL);
391 mr_asprintf(&flaws_str, "%s", "");
392
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 mr_strcat(flaws_str, "%s", tmp);
400 res++;
401 log_msg(1, tmp);
402 mr_free(tmp);
403 return(flaws_str);
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 device = build_partition_name(drive, curr_part_no);
412 pos = find_device_in_mountlist(mountlist, device);
413 if (pos < 0) {
414 continue;
415 }
416 /* gap in the partition list? */
417 if (curr_part_no - prev_part_no > 1) {
418 if (prev_part_no == 0) {
419 mr_asprintf(&tmp, " Gap prior to %s.", device);
420 log_it(tmp);
421 mr_strcat(flaws_str, "%s", tmp);
422 mr_free(tmp);
423 res++;
424 } else if (curr_part_no > 5
425 || (curr_part_no <= 4 && prev_part_no > 0)) {
426 mr_asprintf(&tmp, " Gap on %s between %d and %d.", drive,
427 prev_part_no, curr_part_no);
428 log_it(tmp);
429 mr_strcat(flaws_str, "%s", tmp);
430 mr_free(tmp);
431 res++;
432 }
433 }
434 /* GPT allows more than 4 primary partitions */
435 part_table_fmt = which_partition_format(drive);
436 /* no spare primary partitions to help accommodate the logical(s)? */
437 if ((curr_part_no >= 5 && prev_part_no == 4)
438 && (strcmp(part_table_fmt, "MBR") == 0)) {
439 mr_asprintf(&tmp, " Partition 4 of %s is occupied.", drive);
440 log_it(tmp);
441 mr_strcat(flaws_str, "%s", tmp);
442 mr_free(tmp);
443 res++;
444 }
445 /* does partition /dev/hdNX exist more than once in the mountlist? */
446 for (i = 0, mountpoint_copies = 0, device_copies = 0;
447 i < mountlist->entries; i++) {
448 if (!strcmp(device, mountlist->el[i].device)) {
449 device_copies++;
450 }
451 }
452 if (device_copies > 1) {
453 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies), device);
454 if (!strstr(flaws_str, tmp)) {
455 log_it(tmp);
456 mr_strcat(flaws_str, "%s", tmp);
457 res++;
458 }
459 mr_free(tmp);
460 }
461 /* silly partition size? */
462 if (mountlist->el[pos].size < 8192
463 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
464 mr_asprintf(&tmp, " %s is tiny!", device);
465 log_it(tmp);
466 mr_strcat(flaws_str, "%s", tmp);
467 mr_free(tmp);
468 res++;
469 }
470 /* mountpoint should begin with / unless it is swap, lvm or raid */
471 if (strcmp(mountlist->el[pos].mountpoint, "swap")
472 && strcmp(mountlist->el[pos].mountpoint, "lvm")
473 && strcmp(mountlist->el[pos].mountpoint, "raid")
474 && strcmp(mountlist->el[pos].mountpoint, "image")
475 && mountlist->el[pos].mountpoint[0] != '/') {
476 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
477 log_it(tmp);
478 mr_strcat(flaws_str, "%s", tmp);
479 mr_free(tmp);
480 res++;
481 }
482 /* is format sensible? */
483 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
484 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
485 log_it(tmp);
486 mr_strcat(flaws_str, "%s", tmp);
487 mr_free(tmp);
488 res++;
489 }
490 /* OK, continue with main loop */
491 amount_allocated += mountlist->el[pos].size / 1024L;
492 prev_part_no = curr_part_no;
493 mr_free(device);
494 }
495
496 /* Over-allocated the disk? Unallocated space on disk? */
497 if (amount_allocated > physical_drive_size + 1) {
498 mr_asprintf(&tmp, " %ld MB over-allocated on %s.",
499 amount_allocated - physical_drive_size, drive);
500 log_it(tmp);
501 mr_strcat(flaws_str, "%s", tmp);
502 mr_free(tmp);
503 res++;
504 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
505 mr_asprintf(&tmp, " %ld MB unallocated on %s.",
506 physical_drive_size - amount_allocated, drive);
507 log_it(tmp);
508 mr_strcat(flaws_str, "%s", tmp);
509 mr_free(tmp);
510 }
511
512 if (res) {
513 return (NULL);
514 } else {
515 return (flaws_str);
516 }
517}
518#endif
519
520
521/**
522 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
523 * for each drive, and then spreads the flaws across three lines.
524 * @param mountlist The mountlist to evaluate.
525 * @param flaws_str_A Where to put the first line listing errors found.
526 * @param flaws_str_B Where to put the second line listing errors found.
527 * @param flaws_str_C Where to put the third line listing errors found.
528 * @return The number of flaws found (0 for success).
529 * @see evaluate_drive_within_mountlist
530 */
531int
532evaluate_mountlist(struct mountlist_itself *mountlist, char *flaws_str_A,
533 char *flaws_str_B, char *flaws_str_C)
534{
535
536 /*@ buffer *********************************************************** */
537 struct list_of_disks *drivelist;
538 char *tmp = NULL;
539 char *flaws_str = NULL;
540
541 /*@ int ************************************************************** */
542 int i = 0;
543 int res = 0;
544
545 /*@ initialize ******************************************************* */
546
547 drivelist = malloc(sizeof(struct list_of_disks));
548 assert(mountlist != NULL);
549 assert(flaws_str_A != NULL);
550 assert(flaws_str_B != NULL);
551 assert(flaws_str_C != NULL);
552
553 mr_asprintf(&flaws_str, "%s", "");
554
555 make_list_of_drives_in_mountlist(mountlist, drivelist);
556
557 log_it("Evaluating mountlist...");
558
559 for (i = 0; i < drivelist->entries; i++) {
560 if (strstr
561 (drivelist->el[i].device,
562 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
563 mr_asprintf(&tmp, " Not evaluating %s (I don't know how yet)", drivelist->el[i].device);
564 log_it(tmp);
565 paranoid_free(tmp);
566 } else {
567 log_msg(8, "Evaluating drive #%d (%s) within mountlist", i, drivelist->el[i].device);
568 tmp = evaluate_drive_within_mountlist(mountlist, drivelist->el[i].device);
569 if (tmp == NULL) {
570 res++;
571 }
572 }
573 log_msg(8,"Entry: %d (%s)", i, drivelist->el[i].device);
574 /* BCO: tmp can be NULL */
575 if (tmp != NULL) {
576 log_msg(8,"Adding: %s to %s", tmp, flaws_str);
577 mr_strcat(flaws_str, "%s", tmp);
578 paranoid_free(tmp);
579 }
580 }
581 res += look_for_duplicate_mountpoints(mountlist, flaws_str);
582 res = spread_flaws_across_three_lines(flaws_str, flaws_str_A, flaws_str_B, flaws_str_C,res);
583 paranoid_free(flaws_str);
584 return(res);
585}
586
587
588/**
589 * Find the index number of @p device in the mountlist.
590 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
591 * @param mountlist The mountlist to search in.
592 * @param device The device to search for.
593 * @return The zero-based index of the device, or -1 if it could not be found.
594 */
595int
596find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
597{
598
599 /*@ int ************************************************************** */
600 int i = 0;
601
602 assert(mountlist != NULL);
603 assert_string_is_neither_NULL_nor_zerolength(device);
604 for (i = 0;
605 i < mountlist->entries
606 && strcmp(mountlist->el[i].device, device) != 0; i++);
607
608 if (i == mountlist->entries) {
609 return (-1);
610 } else {
611 return (i);
612 }
613}
614
615
616/**
617 * Look for duplicate mountpoints in @p mountlist.
618 * @param mountlist The mountlist to check.
619 * @param flaws_str The flaws string to append the results to.
620 * @return The number of mountpoints that have duplicates, or 0 for success.
621 */
622int
623look_for_duplicate_mountpoints(struct mountlist_itself *mountlist, char *flaws_str)
624{
625
626 /*@ int ************************************************************* */
627 int res = 0;
628 int currline = 0;
629 int i = 0;
630 int copies = 0;
631 int last_copy = 0;
632
633 /*@ buffetr ********************************************************* */
634 char *curr_mountpoint = NULL;
635 char *tmp = NULL;
636
637 assert(mountlist != NULL);
638 assert(flaws_str != NULL);
639
640 for (currline = 0; currline < mountlist->entries; currline++) {
641 mr_asprintf(&curr_mountpoint, "%s", mountlist->el[currline].mountpoint);
642 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries;
643 i++) {
644 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
645 && strcmp(mountlist->el[i].mountpoint, "lvm")
646 && strcmp(mountlist->el[i].mountpoint, "swap")) {
647 last_copy = i;
648 copies++;
649 }
650 }
651 if (copies > 1 && last_copy == currline
652 && strcmp(curr_mountpoint, "raid")) {
653 mr_asprintf(&tmp, " %s %s's.", number_to_text(copies), curr_mountpoint);
654 mr_strcat(flaws_str, "%s", tmp);
655 log_it(tmp);
656 paranoid_free(tmp);
657 res++;
658 }
659 paranoid_free(curr_mountpoint);
660 }
661 return (res);
662}
663
664
665/**
666 * Make a list of the drives mentioned in the mountlist.
667 * @param mountlist The mountlist to examine.
668 * @param drivelist Where to put the list of drives found.
669 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
670 */
671int
672make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
673 struct list_of_disks *drivelist)
674{
675
676 /*@ int ************************************************************* */
677 int lino;
678 int noof_drives;
679 int j;
680
681 /*@ buffers ********************************************************* */
682 char *drive = NULL;
683 char *truncdrive = NULL;
684
685 long long size;
686
687 assert(mountlist != NULL);
688 assert(drivelist != NULL);
689 log_it("Making list of drives");
690 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
691
692 mr_asprintf(&drive, "%s", mountlist->el[lino].device);
693 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
694 log_msg(8, "Not putting %s in list of drives: it's a virtual drive", drive);
695 paranoid_free(drive);
696 continue;
697 }
698
699 size = mountlist->el[lino].size;
700 if (size == 0) {
701 log_msg(8, "Not putting %s in list of drives: it has zero size (maybe an LVM volume)", drive);
702 paranoid_free(drive);
703 continue;
704 }
705
706 log_msg(8, "Putting %s with size %lli in list of drives", drive, size);
707
708 /* memory allocation */
709 truncdrive = truncate_to_drive_name(drive);
710 paranoid_free(drive);
711
712 log_msg(8, "drive truncated to %s", truncdrive);
713
714 for (j = 0;
715 j < noof_drives
716 && strcmp(drivelist->el[j].device, truncdrive) != 0; j++) {
717 continue;
718 }
719 if (j == noof_drives) {
720 strncpy(drivelist->el[noof_drives].device, truncdrive, 63);
721 drivelist->el[noof_drives].device[63] = '\0';
722 log_msg(8,"Adding drive %s to list", drivelist->el[noof_drives].device);
723 noof_drives++;
724 }
725 paranoid_free(truncdrive);
726 if (noof_drives >= MAXIMUM_DISKS_PER_RAID_DEV) {
727 log_msg(0, "Unable to handle mountlist with more than %d lines", MAXIMUM_DISKS_PER_RAID_DEV);
728 log_to_screen("Unable to handle a so big mountlist");
729 finish(1);
730 }
731 }
732 drivelist->entries = noof_drives;
733 log_msg(8, "Made list of %d drives",noof_drives);
734
735 return (noof_drives);
736}
737
738
739/**
740 * Make a list of RAID partitions not currently associated with any RAID device.
741 * The user may add any of these partitions to the RAID device.
742 * @param output_list Where to put the list of unallocated RAID partitions.
743 * @param mountlist The mountlist to examine.
744 * @param raidlist The raidlist to examine.
745 */
746void make_list_of_unallocated_raid_partitions(struct mountlist_itself
747 *output_list,
748 struct mountlist_itself
749 *mountlist,
750 struct raidlist_itself
751 *raidlist)
752{
753
754 /*@ int ************************************************************* */
755 int items = 0;
756 int i = 0;
757 int used_by = 0;
758
759 /*@ buffers ********************************************************* */
760 char *tmp = NULL;
761
762 assert(output_list != NULL);
763 assert(mountlist != NULL);
764 assert(raidlist != NULL);
765 log_it("MLOURP -- starting");
766 items = 0;
767
768
769 for (i = 0; i < mountlist->entries; i++) {
770 if (strstr(mountlist->el[i].mountpoint, "raid")) {
771 used_by =
772 which_raid_device_is_using_this_partition(raidlist,
773 mountlist->el[i].
774 device);
775 if (used_by < 0) {
776 memcpy((void *) &output_list->el[items++],
777 (void *) &mountlist->el[i],
778 sizeof(struct mountlist_line));
779 mr_asprintf(&tmp, "%s is available; user may choose to add it to raid device", output_list->el[items - 1].device);
780 log_it(tmp);
781 paranoid_free(tmp);
782 }
783 }
784 }
785 output_list->entries = items;
786 log_it("MLUORP -- ending");
787}
788
789
790/**
791 * Get the size of a mountlist entry by the @c device field.
792 * @param mountlist The mountlist to search in.
793 * @param device The device to search for
794 * @return The size of the device (in KB), or -1 if it could not be found.
795 */
796long long
797size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
798 char *device)
799{
800 /*@ int ************************************************************** */
801 int i = 0;
802
803
804 assert(mountlist != NULL);
805 assert_string_is_neither_NULL_nor_zerolength(device);
806
807 for (i = 0;
808 i < mountlist->entries && strcmp(mountlist->el[i].device, device);
809 i++);
810 if (i == mountlist->entries) {
811 return (-1);
812 } else {
813 return (mountlist->el[i].size);
814 }
815}
816
817
818/**
819 * Load a file on disk into @p mountlist.
820 * The file on disk should consist of multiple lines, each containing 4 or 5
821 * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
822 * Comments begin with a '#' without any leading whitespace. Any duplicate
823 * entries are renamed.
824 * @param mountlist The mountlist to load into.
825 * @param fname The name of the file to load the mountlist from.
826 * @return 0 for success, 1 for failure.
827 */
828int load_mountlist(struct mountlist_itself *mountlist, char *fname)
829{
830 FILE *fin = NULL;
831 /* malloc ** */
832 char *incoming = NULL;
833 char *siz = NULL;
834 char *tmp = NULL;
835 char *p = NULL;
836
837 int items = 0;
838 int j = 0;
839 int res = 0;
840
841 assert(mountlist != NULL);
842 assert_string_is_neither_NULL_nor_zerolength(fname);
843
844 if (!(fin = fopen(fname, "r"))) {
845 log_it("Unable to open mountlist - '%s'", fname);
846 log_to_screen("Cannot open mountlist");
847 return (1);
848 }
849 malloc_string(incoming);
850 malloc_string(siz);
851 (void) fgets(incoming, MAX_STR_LEN - 1, fin);
852 log_it("Loading mountlist...");
853 while (!feof(fin)) {
854#if linux
855 res = sscanf(incoming,
856 "%s %s %s %s %s",
857 mountlist->el[items].device,
858 mountlist->el[items].mountpoint,
859 mountlist->el[items].format,
860 siz, mountlist->el[items].label);
861 if (res < 5) {
862 /* no label found */
863 log_msg(4, "no label found for %s",mountlist->el[items].device);
864 strcpy(mountlist->el[items].label,"");
865 }
866#elif __FreeBSD__
867 res = sscanf(incoming,
868 "%s %s %s %s",
869 mountlist->el[items].device,
870 mountlist->el[items].mountpoint,
871 mountlist->el[items].format, siz);
872 strcpy(mountlist->el[items].label,"");
873#endif
874
875 if (!strcmp(mountlist->el[items].device, "/proc") ||
876 !strcmp(mountlist->el[items].device, "proc") ||
877 !strcmp(mountlist->el[items].device, "/sys") ||
878 !strcmp(mountlist->el[items].device, "sys") ||
879 !strcmp(mountlist->el[items].device, "/devpts") ||
880 !strcmp(mountlist->el[items].device, "devpts")
881 ) {
882 log_msg(1,
883 "Ignoring %s in mountlist - not loading that line :) ",
884 mountlist->el[items].device);
885 (void) fgets(incoming, MAX_STR_LEN - 1, fin);
886 continue;
887 }
888 mountlist->el[items].size = atoll(siz);
889 if (mountlist->el[items].device[0] != '\0'
890 && mountlist->el[items].device[0] != '#') {
891 for (j = 0;
892 j < items
893 && strcmp(mountlist->el[j].device,
894 mountlist->el[items].device); j++);
895 if (j < items) {
896 strcat(mountlist->el[items].device, "_dup");
897 mr_asprintf(&tmp, "Duplicate entry in mountlist - renaming to %s", mountlist->el[items].device);
898 log_it(tmp);
899 paranoid_free(tmp);
900 }
901 mr_asprintf(&tmp, "%s", mountlist->el[items].device);
902 if (strstr(tmp, "/dev/md/")) {
903 log_it("format_device() --- Contracting %s", tmp);
904 p = strrchr(tmp, '/');
905 if (p) {
906 *p = *(p + 1);
907 *(p + 1) = *(p + 2);
908 *(p + 2) = *(p + 3);
909 }
910 log_it("It was %s; it is now %s",
911 mountlist->el[items].device, tmp);
912 strcpy(mountlist->el[items].device, tmp);
913 }
914 paranoid_free(tmp);
915
916 log_it("%s %s %s %lld %s",
917 mountlist->el[items].device,
918 mountlist->el[items].mountpoint,
919 mountlist->el[items].format,
920 mountlist->el[items].size,
921 mountlist->el[items].label);
922 items++;
923 if (items >= MAX_MOUNTLIST_ENTRIES) {
924 log_to_screen("Too many lines in mountlist.. ABORTING");
925 finish(1);
926 }
927 }
928 (void) fgets(incoming, MAX_STR_LEN - 1, fin);
929 }
930 paranoid_fclose(fin);
931 mountlist->entries = items;
932
933 log_it("Mountlist loaded successfully.");
934 log_it("%d entries in mountlist", items);
935
936 paranoid_free(incoming);
937 paranoid_free(siz);
938 return (0);
939}
940
941
942
943/**
944 * Save @p mountlist to a file on disk.
945 * @param mountlist The mountlist to save.
946 * @param fname The file to save it to.
947 * @return 0 for success, 1 for failure.
948 * @see load_mountlist
949 */
950int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
951{
952 FILE *fout;
953 int i;
954
955 assert(mountlist != NULL);
956 assert_string_is_neither_NULL_nor_zerolength(fname);
957
958 log_it("save_mountlist_to_disk() --- saving to %s", fname);
959 if (!(fout = fopen(fname, "w"))) {
960 log_OS_error("WMTD - Cannot openout mountlist");
961 return (1);
962 }
963 for (i = 0; i < mountlist->entries; i++) {
964 fprintf(fout,
965 "%-15s %-15s %-15s %-15lld %-15s\n",
966 mountlist->el[i].device, mountlist->el[i].mountpoint,
967 mountlist->el[i].format, mountlist->el[i].size,
968 mountlist->el[i].label);
969 }
970 paranoid_fclose(fout);
971 return (0);
972}
973
974
975/**
976 * Sort the mountlist alphabetically by device.
977 * The sorting is done in-place.
978 * @param mountlist The mountlist to sort.
979 */
980void sort_mountlist_by_device(struct mountlist_itself *mountlist)
981{
982 int diff;
983 int lino = -999;
984
985 assert(mountlist != NULL);
986
987 while (lino < mountlist->entries) {
988 for (lino = 1; lino < mountlist->entries; lino++) {
989 diff =
990 strcmp_inc_numbers(mountlist->el[lino - 1].device,
991 mountlist->el[lino].device);
992 if (diff > 0) {
993 swap_mountlist_entries(mountlist, lino - 1, lino);
994 break;
995 }
996 }
997 }
998}
999
1000
1001/**
1002 * Sort the mountlist alphabetically by mountpoint.
1003 * The sorting is done in-place.
1004 * @param mountlist The mountlist to sort.
1005 * @param reverse If TRUE, then do a reverse sort.
1006 */
1007void
1008sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
1009 bool reverse)
1010{
1011 int diff;
1012 int lino = -999;
1013
1014 assert(mountlist != NULL);
1015
1016 while (lino < mountlist->entries) {
1017 for (lino = 1; lino < mountlist->entries; lino++) {
1018 diff =
1019 strcmp(mountlist->el[lino - 1].mountpoint,
1020 mountlist->el[lino].mountpoint);
1021 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
1022 swap_mountlist_entries(mountlist, lino - 1, lino);
1023 break;
1024 }
1025 }
1026 }
1027}
1028
1029
1030/**
1031 * Swap two entries in the mountlist in-place.
1032 * @param mountlist The mountlist to swap the entries in.
1033 * @param a The index number of the first entry.
1034 * @param b The index number of the second entry.
1035 */
1036void
1037swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
1038{
1039 /*@ mallocs *** */
1040 char *device = NULL;
1041 char *mountpoint = NULL;
1042 char *format = NULL;
1043
1044 long long size;
1045
1046 assert(mountlist != NULL);
1047 assert(a >= 0);
1048 assert(b >= 0);
1049
1050 mr_asprintf(&device, "%s", mountlist->el[a].device);
1051 mr_asprintf(&mountpoint, "%s", mountlist->el[a].mountpoint);
1052 mr_asprintf(&format, "%s", mountlist->el[a].format);
1053
1054 size = mountlist->el[a].size;
1055
1056 strcpy(mountlist->el[a].device, mountlist->el[b].device);
1057 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
1058 strcpy(mountlist->el[a].format, mountlist->el[b].format);
1059
1060 mountlist->el[a].size = mountlist->el[b].size;
1061
1062 strcpy(mountlist->el[b].device, device);
1063 strcpy(mountlist->el[b].mountpoint, mountpoint);
1064 strcpy(mountlist->el[b].format, format);
1065
1066 mountlist->el[b].size = size;
1067 paranoid_free(device);
1068 paranoid_free(mountpoint);
1069 paranoid_free(format);
1070}
1071
1072/* @} - end of mountlistGroup */
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