source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-mountlist.c@ 2658

Last change on this file since 2658 was 2516, checked in by Bruno Cornec, 15 years ago

r3227@localhost (orig r2261): bruno | 2009-07-12 02:04:25 +0200

r3202@localhost: bruno | 2009-07-06 18:51:32 +0200

  • Replace sprintf by mr_asprintf in libmondo-mountlist.c


  • Property svn:keywords set to Id
File size: 29.6 KB
Line 
1/* subroutines for handling mountlist
2 $Id: libmondo-mountlist.c 2516 2010-01-04 18:36:12Z 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 2516 2010-01-04 18:36:12Z 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[MAX_STR_LEN];
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 sprintf(device, "%s%c", drive, cur_sp_no);
93 if (find_device_in_mountlist(mountlist, device) >= 0)
94 foundsome = TRUE;
95 }
96 if (foundsome) {
97 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
98 sprintf(device, "%s%c", drive, cur_sp_no);
99 pos = find_device_in_mountlist(mountlist, device);
100 if (pos < 0) {
101 continue;
102 }
103 strcpy(mountpoint, mountlist->el[pos].mountpoint);
104 /* is it too big? */
105 if (curr_part_no > 'h') {
106 mr_asprintf(&tmp, " Can only have up to 'h' in disklabel.");
107 log_it(tmp);
108 mr_strcat(flaws_str, tmp);
109 mr_free(tmp);
110 res++;
111 }
112 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
113 for (i = 0, mountpoint_copies = 0, device_copies = 0;
114 i < mountlist->entries; i++) {
115 if (!strcmp(device, mountlist->el[i].device)) {
116 device_copies++;
117 }
118 }
119 if (device_copies > 1) {
120 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies), device);
121 if (!strstr(flaws_str, tmp)) {
122 log_it(tmp);
123 mr_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 mr_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 mr_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 mr_strcat(flaws_str, tmp);
155 mr_free(tmp);
156 res++;
157 }
158 amount_allocated += mountlist->el[pos].size / 1024L;
159 prev_sp_no = cur_sp_no;
160 }
161 }
162
163 npos = pos = 0;
164 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
165 build_partition_name(device, drive, curr_part_no);
166 pos = find_device_in_mountlist(mountlist, device);
167 npos = 0;
168 for (cur_sp_no = 'a'; cur_sp_no <= 'h'; cur_sp_no++) {
169 sprintf(device, "%ss%i%c", device, curr_part_no, cur_sp_no);
170 if (find_device_in_mountlist(mountlist, device) >= 0)
171 npos++;
172 }
173 if (((pos >= 0) || npos) && foundsome) {
174 mr_strcat(flaws_str, " %s has both DD and PC-style partitions.", drive);
175 return(flaws_str); // fatal error
176 }
177
178 build_partition_name(device, drive, curr_part_no);
179 strcpy(mountpoint, mountlist->el[pos].mountpoint);
180 if (pos > 0 && !npos) {
181 /* gap in the partition list? */
182 if (curr_part_no - prev_part_no > 1) {
183 if (prev_part_no == 0) {
184 mr_asprintf(&tmp, " Gap prior to %s.", device);
185 log_it(tmp);
186 mr_strcat(flaws_str, "%s", tmp);
187 mr_free(tmp);
188 res++;
189 } else if (curr_part_no > 5
190 || (curr_part_no <= 4 && prev_part_no > 0)) {
191 mr_asprintf(&tmp, " Gap between %ss%d and %d.", drive, prev_part_no, curr_part_no);
192 log_it(tmp);
193 mr_strcat(flaws_str, "%s", tmp);
194 mr_free(tmp);
195 res++;
196 }
197 }
198 /* GPT allows more than 4 primary partitions */
199 part_table_fmt = which_partition_format(drive);
200 /* no spare primary partitions to help accommodate the logical(s)? */
201 if ((curr_part_no >= 5 && prev_part_no == 4)
202 && (strcmp(part_table_fmt, "MBR") == 0)) {
203 mr_asprintf(&tmp, " Partition %ss4 is occupied.", drive);
204 log_it(tmp);
205 mr_strcat(flaws_str, "%s", tmp);
206 mr_free(tmp);
207 res++;
208 }
209 /* does partition /dev/adXsY exist more than once in the mountlist? */
210 for (i = 0, mountpoint_copies = 0, device_copies = 0;
211 i < mountlist->entries; i++) {
212 if (!strcmp(device, mountlist->el[i].device)) {
213 device_copies++;
214 }
215 }
216 if (device_copies > 1) {
217 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies), device);
218 if (!strstr(flaws_str, "%s", tmp)) {
219 log_it(tmp);
220 mr_strcat(flaws_str, "%s", tmp);
221 res++;
222 }
223 mr_free(tmp);
224 }
225 /* silly partition size? */
226 if (mountlist->el[pos].size < 8192
227 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
228 mr_asprintf(&tmp, " %s is tiny!", device);
229 log_it(tmp);
230 mr_strcat(flaws_str, "%s", tmp);
231 mr_free(tmp);
232 res++;
233 }
234 /* mountpoint should begin with / unless it is swap, lvm or raid */
235 if (strcmp(mountlist->el[pos].mountpoint, "swap")
236 && strcmp(mountlist->el[pos].mountpoint, "lvm")
237 && strcmp(mountlist->el[pos].mountpoint, "raid")
238 && strcmp(mountlist->el[pos].mountpoint, "image")
239 && strcmp(mountlist->el[pos].mountpoint, "none")
240 && mountlist->el[pos].mountpoint[0] != '/') {
241 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
242 log_it(tmp);
243 mr_strcat(flaws_str, "%s", tmp);
244 mr_free(tmp);
245 res++;
246 }
247 /* is format sensible? */
248 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
249 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
250 log_it(tmp);
251 mr_strcat(flaws_str, "%s", tmp);
252 mr_free(tmp);
253 res++;
254 }
255 } else {
256 /* Check subpartitions */
257 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
258 sprintf(device, "%ss%d%c", drive, curr_part_no, cur_sp_no);
259 pos = find_device_in_mountlist(mountlist, device);
260 if (pos < 0) {
261 continue;
262 }
263 strcpy(mountpoint, mountlist->el[pos].mountpoint);
264 /* is it too big? */
265 if (curr_part_no > 'h') {
266 mr_asprintf(&tmp, " Can only have up to 'h' in disklabel.");
267 log_it(tmp);
268 mr_strcat(flaws_str, "%s", tmp);
269 mr_free(tmp);
270 res++;
271 }
272 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
273 for (i = 0, mountpoint_copies = 0, device_copies = 0;
274 i < mountlist->entries; i++) {
275 if (!strcmp(device, mountlist->el[i].device)) {
276 device_copies++;
277 }
278 }
279 if (device_copies > 1) {
280 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies), device);
281 if (!strstr(flaws_str, tmp)) {
282 log_it(tmp);
283 mr_strcat(flaws_str, "%s", tmp);
284 res++;
285 }
286 mr_free(tmp);
287 }
288 /* silly partition size? */
289 if (mountlist->el[pos].size < 8192
290 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
291 mr_asprintf(&tmp, " %s is tiny!", device);
292 log_it(tmp);
293 mr_strcat(flaws_str, "%s", tmp);
294 mr_free(tmp);
295 res++;
296 }
297 /* mountpoint should begin with / unless it is swap, lvm or raid */
298 if (strcmp(mountlist->el[pos].mountpoint, "swap")
299 && strcmp(mountlist->el[pos].mountpoint, "lvm")
300 && strcmp(mountlist->el[pos].mountpoint, "raid")
301 && strcmp(mountlist->el[pos].mountpoint, "image")
302 && strcmp(mountlist->el[pos].mountpoint, "none")
303 && mountlist->el[pos].mountpoint[0] != '/') {
304 mr_asprintf(&tmp, " %s has a weird mountpoint.", device);
305 log_it(tmp);
306 mr_strcat(flaws_str, "%s", tmp);
307 mr_free(tmp);
308 res++;
309 }
310 /* is format sensible? */
311 if (!is_this_a_valid_disk_format
312 (mountlist->el[pos].format)) {
313 mr_asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
314 log_it(tmp);
315 mr_strcat(flaws_str, "%s", tmp);
316 mr_free(tmp);
317 res++;
318 }
319 amount_allocated += mountlist->el[pos].size / 1024L;
320 prev_sp_no = cur_sp_no;
321 }
322 }
323
324 /* OK, continue with main loop */
325 amount_allocated += mountlist->el[pos].size / 1024L;
326 prev_part_no = curr_part_no;
327 }
328
329 /* Over-allocated the disk? Unallocated space on disk? */
330 if (amount_allocated > physical_drive_size) // Used to be +1, but what if you're 1 MB too high?
331 {
332 mr_asprintf(&tmp, " %ld MB over-allocated on %s.",
333 amount_allocated - physical_drive_size, drive);
334 log_it(tmp);
335 mr_strcat(flaws_str, "%s", tmp);
336 mr_free(tmp);
337 res++;
338 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
339 mr_asprintf(&tmp, " %ld MB unallocated on %s.",
340 physical_drive_size - amount_allocated, drive);
341 log_it(tmp);
342 mr_strcat(flaws_str, "%s", tmp);
343 mr_free(tmp);
344 }
345 if (res) {
346 return (NULL);
347 } else {
348 return (flaws_str);
349 }
350}
351
352#else
353// Linux-specific version of evaluate_drive_within_mountlist()
354{
355
356 /*@ int ************************************************************* */
357 int prev_part_no = 0;
358 int curr_part_no = 0;
359 int pos = 0;
360 int res = 0;
361 int mountpoint_copies = 0;
362 int device_copies = 0;
363 int i = 0;
364
365 /*@ buffers ******************************************************** */
366 char *tmp = NULL;
367 char *device = NULL;
368 char *flaws_str = NULL;
369
370 /*@ long *********************************************************** */
371 long physical_drive_size = 0L;
372 long amount_allocated = 0L;
373
374 /*@ pointers ******************************************************* */
375 char *part_table_fmt = NULL;
376
377 /*@ initialize ***************************************************** */
378 assert_string_is_neither_NULL_nor_zerolength(drive);
379 assert(mountlist != NULL);
380 mr_asprintf(&flaws_str, "%s", "");
381
382 malloc_string(device);
383 prev_part_no = 0;
384
385 physical_drive_size = get_phys_size_of_drive(drive);
386
387 if (physical_drive_size < 0) {
388 mr_asprintf(&tmp, " %s does not exist.", drive);
389 log_it(tmp);
390 mr_strcat(flaws_str, "%s", tmp);
391 res++;
392 mr_free(tmp);
393 goto endoffunc;
394 } else {
395 mr_asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
396 log_it(tmp);
397 mr_free(tmp);
398 }
399
400 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
401 build_partition_name(device, drive, curr_part_no);
402 pos = find_device_in_mountlist(mountlist, device);
403 if (pos < 0) {
404 continue;
405 }
406 log_msg(2, "Processing partition %s on %s #%d in mountlist", device, drive, pos);
407 /* gap in the partition list? */
408 if (curr_part_no - prev_part_no > 1) {
409 if (prev_part_no == 0) {
410 mr_asprintf(&tmp, " Gap prior to %s.", device);
411 log_it(tmp);
412 mr_strcat(flaws_str, "%s", tmp);
413 mr_free(tmp);
414 res++;
415 } else if (curr_part_no > 5
416 || (curr_part_no <= 4 && prev_part_no > 0)) {
417 mr_asprintf(&tmp, " Gap on %s between %d and %d.", drive,
418 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)
429 && (strcmp(part_table_fmt, "MBR") == 0)) {
430 mr_asprintf(&tmp, " Partition 4 of %s is occupied.", drive);
431 log_it(tmp);
432 mr_strcat(flaws_str, "%s", tmp);
433 mr_free(tmp);
434 res++;
435 }
436 /* does partition /dev/hdNX exist more than once in the mountlist? */
437 for (i = 0, mountpoint_copies = 0, device_copies = 0;
438 i < mountlist->entries; i++) {
439 if (!strcmp(device, mountlist->el[i].device)) {
440 device_copies++;
441 }
442 }
443 if (device_copies > 1) {
444 mr_asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
445 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 }
486
487 /* Over-allocated the disk? Unallocated space on disk? */
488 if (amount_allocated > physical_drive_size + 1) {
489 mr_asprintf(&tmp, " %ld MB over-allocated on %s.",
490 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.",
497 physical_drive_size - amount_allocated, drive);
498 log_it(tmp);
499 mr_strcat(flaws_str, "%s", tmp);
500 mr_free(tmp);
501 }
502
503 endoffunc:
504 paranoid_free(device);
505
506 if (res == 0) {
507 mr_free(flaws_str);
508 log_msg(2, "Fine, no error in evaluate_drive_within_mountlist");
509 return (NULL);
510 } else {
511 log_msg(2, "Error in evaluate_drive_within_mountlist: %s", flaws_str);
512 return (flaws_str);
513 }
514}
515#endif
516
517
518/**
519 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
520 * for each drive, and then spreads the flaws across three lines.
521 * @param mountlist The mountlist to evaluate.
522 * @return The flaws string (NULL for success).
523 * @see evaluate_drive_within_mountlist
524 */
525char *evaluate_mountlist(struct mountlist_itself *mountlist) {
526
527 /*@ buffer *********************************************************** */
528 struct list_of_disks *drivelist;
529 char *tmp = NULL;
530 char *flaws_str = NULL;
531
532 int currline = 0;
533 int copies = 0;
534 int last_copy = 0;
535
536 /*@ buffetr ********************************************************* */
537 char *curr_mountpoint = NULL;
538
539 /*@ int ************************************************************** */
540 int i = 0;
541
542 /*@ initialize ******************************************************* */
543
544 drivelist = malloc(sizeof(struct list_of_disks));
545 assert(mountlist != NULL);
546
547 make_list_of_drives_in_mountlist(mountlist, drivelist);
548
549 log_it("Evaluating mountlist...");
550
551 for (i = 0; i < drivelist->entries; i++) {
552 if (strstr
553 (drivelist->el[i].device,
554 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
555 mr_asprintf(&tmp, " Not evaluating %s (I don't know how yet)", drivelist->el[i].device);
556 log_it(tmp);
557 paranoid_free(tmp);
558 } else {
559 log_msg(8, "Evaluating drive #%d (%s) within mountlist", i, drivelist->el[i].device);
560 tmp = evaluate_drive_within_mountlist(mountlist, drivelist->el[i].device);
561 }
562 log_msg(8,"Entry: %d (%s)", i, drivelist->el[i].device);
563 /* BCO: tmp can be NULL */
564 if (tmp != NULL) {
565 log_msg(8,"Adding: %s to flaws_str", tmp);
566 mr_strcat(flaws_str, "%s", tmp);
567 paranoid_free(tmp);
568 }
569 }
570
571 /* Look for duplicate mountpoints in mountlist. */
572 for (currline = 0; currline < mountlist->entries; currline++) {
573 mr_asprintf(&curr_mountpoint, "%s", mountlist->el[currline].mountpoint);
574 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries; i++) {
575 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
576 && strcmp(mountlist->el[i].mountpoint, "lvm")
577 && strcmp(mountlist->el[i].mountpoint, "swap")) {
578 last_copy = i;
579 copies++;
580 }
581 }
582 if (copies > 1 && last_copy == currline
583 && strcmp(curr_mountpoint, "raid")) {
584 mr_asprintf(&tmp, " %s %s's.", number_to_text(copies), curr_mountpoint);
585 mr_strcat(flaws_str, "%s", tmp);
586 log_msg(8,"Adding: %s to flaws_str", tmp);
587 paranoid_free(tmp);
588 }
589 paranoid_free(curr_mountpoint);
590 }
591
592 return(flaws_str);
593}
594
595
596/**
597 * Find the index number of @p device in the mountlist.
598 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
599 * @param mountlist The mountlist to search in.
600 * @param device The device to search for.
601 * @return The zero-based index of the device, or -1 if it could not be found.
602 */
603int
604find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
605{
606
607 /*@ int ************************************************************** */
608 int i = 0;
609
610 assert(mountlist != NULL);
611 assert_string_is_neither_NULL_nor_zerolength(device);
612 for (i = 0;
613 i < mountlist->entries
614 && strcmp(mountlist->el[i].device, device) != 0; i++);
615
616 if (i == mountlist->entries) {
617 return (-1);
618 } else {
619 return (i);
620 }
621}
622
623
624/**
625 * Make a list of the drives mentioned in the mountlist.
626 * @param mountlist The mountlist to examine.
627 * @param drivelist Where to put the list of drives found.
628 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
629 */
630int
631make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
632 struct list_of_disks *drivelist)
633{
634
635 /*@ int ************************************************************* */
636 int lino;
637 int noof_drives;
638 int j;
639
640 /*@ buffers ********************************************************* */
641 char *drive = NULL;
642 char *truncdrive = NULL;
643
644 long long size;
645
646 assert(mountlist != NULL);
647 assert(drivelist != NULL);
648 log_it("Making list of drives");
649 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
650
651 mr_asprintf(&drive, "%s", mountlist->el[lino].device);
652 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
653 log_msg(8, "Not putting %s in list of drives: it's a virtual drive", drive);
654 paranoid_free(drive);
655 continue;
656 }
657
658 size = mountlist->el[lino].size;
659 if (size == 0) {
660 log_msg(8, "Not putting %s in list of drives: it has zero size (maybe an LVM volume)", drive);
661 paranoid_free(drive);
662 continue;
663 }
664
665 log_msg(8, "Putting %s with size %lli in list of drives", drive, size);
666
667 /* memory allocation */
668 truncdrive = truncate_to_drive_name(drive);
669 paranoid_free(drive);
670
671 log_msg(8, "drive truncated to %s", truncdrive);
672
673 for (j = 0;
674 j < noof_drives
675 && strcmp(drivelist->el[j].device, truncdrive) != 0; j++) {
676 continue;
677 }
678 if (j == noof_drives) {
679 strncpy(drivelist->el[noof_drives].device, truncdrive, 63);
680 drivelist->el[noof_drives].device[63] = '\0';
681 log_msg(8,"Adding drive %s to list", drivelist->el[noof_drives].device);
682 noof_drives++;
683 }
684 paranoid_free(truncdrive);
685 if (noof_drives >= MAXIMUM_DISKS_PER_RAID_DEV) {
686 log_msg(0, "Unable to handle mountlist with more than %d lines", MAXIMUM_DISKS_PER_RAID_DEV);
687 log_to_screen("Unable to handle a so big mountlist");
688 finish(1);
689 }
690 }
691 drivelist->entries = noof_drives;
692 log_msg(8, "Made list of %d drives",noof_drives);
693
694 return (noof_drives);
695}
696
697
698/**
699 * Make a list of RAID partitions not currently associated with any RAID device.
700 * The user may add any of these partitions to the RAID device.
701 * @param output_list Where to put the list of unallocated RAID partitions.
702 * @param mountlist The mountlist to examine.
703 * @param raidlist The raidlist to examine.
704 */
705void make_list_of_unallocated_raid_partitions(struct mountlist_itself
706 *output_list,
707 struct mountlist_itself
708 *mountlist,
709 struct raidlist_itself
710 *raidlist)
711{
712
713 /*@ int ************************************************************* */
714 int items = 0;
715 int i = 0;
716 int used_by = 0;
717
718 /*@ buffers ********************************************************* */
719 char *tmp = NULL;
720
721 assert(output_list != NULL);
722 assert(mountlist != NULL);
723 assert(raidlist != NULL);
724 log_it("MLOURP -- starting");
725 items = 0;
726
727
728 for (i = 0; i < mountlist->entries; i++) {
729 if (strstr(mountlist->el[i].mountpoint, "raid")) {
730 used_by =
731 which_raid_device_is_using_this_partition(raidlist,
732 mountlist->el[i].
733 device);
734 if (used_by < 0) {
735 memcpy((void *) &output_list->el[items++],
736 (void *) &mountlist->el[i],
737 sizeof(struct mountlist_line));
738 mr_asprintf(&tmp, "%s is available; user may choose to add it to raid device", output_list->el[items - 1].device);
739 log_it(tmp);
740 paranoid_free(tmp);
741 }
742 }
743 }
744 output_list->entries = items;
745 log_it("MLUORP -- ending");
746}
747
748
749/**
750 * Get the size of a mountlist entry by the @c device field.
751 * @param mountlist The mountlist to search in.
752 * @param device The device to search for
753 * @return The size of the device (in KB), or -1 if it could not be found.
754 */
755long long
756size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
757 char *device)
758{
759 /*@ int ************************************************************** */
760 int i = 0;
761
762
763 assert(mountlist != NULL);
764 assert_string_is_neither_NULL_nor_zerolength(device);
765
766 for (i = 0;
767 i < mountlist->entries && strcmp(mountlist->el[i].device, device);
768 i++);
769 if (i == mountlist->entries) {
770 return (-1);
771 } else {
772 return (mountlist->el[i].size);
773 }
774}
775
776
777/**
778 * Load a file on disk into @p mountlist.
779 * The file on disk should consist of multiple lines, each containing 4 or 5
780 * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
781 * Comments begin with a '#' without any leading whitespace. Any duplicate
782 * entries are renamed.
783 * @param mountlist The mountlist to load into.
784 * @param fname The name of the file to load the mountlist from.
785 * @return 0 for success, 1 for failure.
786 */
787int load_mountlist(struct mountlist_itself *mountlist, char *fname)
788{
789 FILE *fin = NULL;
790 /* malloc ** */
791 char *incoming = NULL;
792 char *siz = NULL;
793 char *tmp = NULL;
794 char *p = NULL;
795
796 int items = 0;
797 int j = 0;
798 int res = 0;
799
800 assert(mountlist != NULL);
801 assert_string_is_neither_NULL_nor_zerolength(fname);
802
803 if (!(fin = fopen(fname, "r"))) {
804 log_it("Unable to open mountlist - '%s'", fname);
805 log_to_screen("Cannot open mountlist");
806 return (1);
807 }
808 malloc_string(incoming);
809 malloc_string(siz);
810 (void) fgets(incoming, MAX_STR_LEN - 1, fin);
811 log_it("Loading mountlist...");
812 while (!feof(fin)) {
813#if linux
814 res = sscanf(incoming,
815 "%s %s %s %s %s",
816 mountlist->el[items].device,
817 mountlist->el[items].mountpoint,
818 mountlist->el[items].format,
819 siz, mountlist->el[items].label);
820 if (res < 5) {
821 /* no label found */
822 log_msg(4, "no label found for %s",mountlist->el[items].device);
823 strcpy(mountlist->el[items].label,"");
824 }
825#elif __FreeBSD__
826 res = sscanf(incoming,
827 "%s %s %s %s",
828 mountlist->el[items].device,
829 mountlist->el[items].mountpoint,
830 mountlist->el[items].format, siz);
831 strcpy(mountlist->el[items].label,"");
832#endif
833
834 if (!strcmp(mountlist->el[items].device, "/proc") ||
835 !strcmp(mountlist->el[items].device, "proc") ||
836 !strcmp(mountlist->el[items].device, "/sys") ||
837 !strcmp(mountlist->el[items].device, "sys") ||
838 !strcmp(mountlist->el[items].device, "/devpts") ||
839 !strcmp(mountlist->el[items].device, "devpts")
840 ) {
841 log_msg(1,
842 "Ignoring %s in mountlist - not loading that line :) ",
843 mountlist->el[items].device);
844 (void) fgets(incoming, MAX_STR_LEN - 1, fin);
845 continue;
846 }
847 mountlist->el[items].size = atoll(siz);
848 if (mountlist->el[items].device[0] != '\0'
849 && mountlist->el[items].device[0] != '#') {
850 for (j = 0;
851 j < items
852 && strcmp(mountlist->el[j].device,
853 mountlist->el[items].device); j++);
854 if (j < items) {
855 strcat(mountlist->el[items].device, "_dup");
856 mr_asprintf(&tmp, "Duplicate entry in mountlist - renaming to %s", mountlist->el[items].device);
857 log_it(tmp);
858 paranoid_free(tmp);
859 }
860 mr_asprintf(&tmp, "%s", mountlist->el[items].device);
861 if (strstr(tmp, "/dev/md/")) {
862 log_it("format_device() --- Contracting %s", tmp);
863 p = strrchr(tmp, '/');
864 if (p) {
865 *p = *(p + 1);
866 *(p + 1) = *(p + 2);
867 *(p + 2) = *(p + 3);
868 }
869 log_it("It was %s; it is now %s",
870 mountlist->el[items].device, tmp);
871 strcpy(mountlist->el[items].device, tmp);
872 }
873 paranoid_free(tmp);
874
875 log_it("%s %s %s %lld %s",
876 mountlist->el[items].device,
877 mountlist->el[items].mountpoint,
878 mountlist->el[items].format,
879 mountlist->el[items].size,
880 mountlist->el[items].label);
881 items++;
882 if (items >= MAX_MOUNTLIST_ENTRIES) {
883 log_to_screen("Too many lines in mountlist.. ABORTING");
884 finish(1);
885 }
886 }
887 (void) fgets(incoming, MAX_STR_LEN - 1, fin);
888 }
889 paranoid_fclose(fin);
890 mountlist->entries = items;
891
892 log_it("Mountlist loaded successfully.");
893 log_it("%d entries in mountlist", items);
894
895 paranoid_free(incoming);
896 paranoid_free(siz);
897 return (0);
898}
899
900
901
902/**
903 * Save @p mountlist to a file on disk.
904 * @param mountlist The mountlist to save.
905 * @param fname The file to save it to.
906 * @return 0 for success, 1 for failure.
907 * @see load_mountlist
908 */
909int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
910{
911 FILE *fout;
912 int i;
913
914 assert(mountlist != NULL);
915 assert_string_is_neither_NULL_nor_zerolength(fname);
916
917 log_it("save_mountlist_to_disk() --- saving to %s", fname);
918 if (!(fout = fopen(fname, "w"))) {
919 log_OS_error("WMTD - Cannot openout mountlist");
920 return (1);
921 }
922 for (i = 0; i < mountlist->entries; i++) {
923 fprintf(fout,
924 "%-15s %-15s %-15s %-15lld %-15s\n",
925 mountlist->el[i].device, mountlist->el[i].mountpoint,
926 mountlist->el[i].format, mountlist->el[i].size,
927 mountlist->el[i].label);
928 }
929 paranoid_fclose(fout);
930 return (0);
931}
932
933
934/**
935 * Sort the mountlist alphabetically by device.
936 * The sorting is done in-place.
937 * @param mountlist The mountlist to sort.
938 */
939void sort_mountlist_by_device(struct mountlist_itself *mountlist)
940{
941 int diff;
942 int lino = -999;
943
944 assert(mountlist != NULL);
945
946 while (lino < mountlist->entries) {
947 for (lino = 1; lino < mountlist->entries; lino++) {
948 diff =
949 strcmp_inc_numbers(mountlist->el[lino - 1].device,
950 mountlist->el[lino].device);
951 if (diff > 0) {
952 swap_mountlist_entries(mountlist, lino - 1, lino);
953 break;
954 }
955 }
956 }
957}
958
959
960/**
961 * Sort the mountlist alphabetically by mountpoint.
962 * The sorting is done in-place.
963 * @param mountlist The mountlist to sort.
964 * @param reverse If TRUE, then do a reverse sort.
965 */
966void
967sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
968 bool reverse)
969{
970 int diff;
971 int lino = -999;
972
973 assert(mountlist != NULL);
974
975 while (lino < mountlist->entries) {
976 for (lino = 1; lino < mountlist->entries; lino++) {
977 diff =
978 strcmp(mountlist->el[lino - 1].mountpoint,
979 mountlist->el[lino].mountpoint);
980 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
981 swap_mountlist_entries(mountlist, lino - 1, lino);
982 break;
983 }
984 }
985 }
986}
987
988
989/**
990 * Swap two entries in the mountlist in-place.
991 * @param mountlist The mountlist to swap the entries in.
992 * @param a The index number of the first entry.
993 * @param b The index number of the second entry.
994 */
995void
996swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
997{
998 /*@ mallocs *** */
999 char *device = NULL;
1000 char *mountpoint = NULL;
1001 char *format = NULL;
1002
1003 long long size;
1004
1005 assert(mountlist != NULL);
1006 assert(a >= 0);
1007 assert(b >= 0);
1008
1009 mr_asprintf(&device, "%s", mountlist->el[a].device);
1010 mr_asprintf(&mountpoint, "%s", mountlist->el[a].mountpoint);
1011 mr_asprintf(&format, "%s", mountlist->el[a].format);
1012
1013 size = mountlist->el[a].size;
1014
1015 strcpy(mountlist->el[a].device, mountlist->el[b].device);
1016 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
1017 strcpy(mountlist->el[a].format, mountlist->el[b].format);
1018
1019 mountlist->el[a].size = mountlist->el[b].size;
1020
1021 strcpy(mountlist->el[b].device, device);
1022 strcpy(mountlist->el[b].mountpoint, mountpoint);
1023 strcpy(mountlist->el[b].format, format);
1024
1025 mountlist->el[b].size = size;
1026 paranoid_free(device);
1027 paranoid_free(mountpoint);
1028 paranoid_free(format);
1029}
1030
1031/* @} - end of mountlistGroup */
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