source: MondoRescue/trunk/mondo/mondo/common/libmondo-mountlist.c@ 48

Last change on this file since 48 was 48, checked in by bcornec, 19 years ago

asprintf + getline + memory management going on
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File size: 31.8 KB
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1/* $Id: libmondo-mountlist.c 48 2005-10-06 16:08:17Z bcornec $
2subroutines for handling mountlist
3*/
4
5/**
6 * @file
7 * Functions which manipulate the mountlist.
8 */
9
10#include "my-stuff.h"
11#include "mondostructures.h"
12#include "libmondo-mountlist.h"
13#include "lib-common-externs.h"
14#include "libmondo-raid-EXT.h"
15#include "libmondo-devices-EXT.h"
16#include "libmondo-tools-EXT.h"
17#include "libmondo-string-EXT.h"
18#include "libmondo-gui-EXT.h"
19
20/*@unused@*/
21//static char cvsid[] = "$Id: libmondo-mountlist.c 48 2005-10-06 16:08:17Z bcornec $";
22
23/**
24 * A global copy of @c bkpinfo, to aid in debugging. As the name implies, <em>don't use this</em>.
25 * @ingroup globalGroup
26 */
27struct s_bkpinfo *g_bkpinfo_DONTUSETHIS = NULL;
28
29/**
30 * @addtogroup mountlistGroup
31 * @{
32 */
33/**
34 * Evaluate a drive within the mountlist for flaws. For example, too many
35 * primary partitions, the first logical isn't 5, duplicate partitions,
36 * ovar-allocated or under-allocated, unsupported format, silly size, or
37 * silly mountpoint. Under FreeBSD, this checks the disklabel too, for the above-mentioned
38 * errors as well as too many BSD partitions (more than 'h').
39 * @param mountlist The mountlist to check.
40 * @param drive The drive to check (e.g. @c /dev/hda).
41 * @param flaws_str Where to put the found flaws (human-readable).
42 * @return The number of flaws found (0 for success).
43 * @see evaluate_mountlist
44 */
45int evaluate_drive_within_mountlist(struct mountlist_itself *mountlist,
46 char *drive, char *flaws_str)
47#ifdef __FreeBSD__
48{
49// FreeBSD-specific version of evaluate_drive_within_mountlist()
50 /*@ int ************************************************************* */
51 int prev_part_no = 0;
52 int curr_part_no = 0;
53 int pos = 0, npos = 0;
54 int res = 0;
55 int mountpoint_copies = 0;
56 int device_copies = 0;
57 int i = 0;
58 int cur_sp_no = 0;
59 int prev_sp_no = 0;
60 int foundsome = FALSE;
61
62 /*@ buffers ******************************************************** */
63 char *tmp;
64 char *device;
65 // BERLIOS : useless ? char *mountpoint;
66
67 /*@ long *********************************************************** */
68 long physical_drive_size = 0;
69 long amount_allocated = 0;
70
71 /*@ pointers ******************************************************* */
72 char *part_table_fmt;
73
74 /*@ initialize ***************************************************** */
75 flaws_str[0] = '\0';
76 prev_part_no = 0;
77 // BERLIOS: tmp[0] = '\0';
78
79
80 physical_drive_size = get_phys_size_of_drive(drive);
81
82 if (physical_drive_size < 0) {
83 asprintf(&tmp, " %s does not exist.", drive);
84 strcat(flaws_str, tmp);
85 } else {
86 asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
87 }
88 log_it(tmp);
89 paranoid_free(tmp);
90
91
92 /* check DD */
93 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
94 asprintf(&device, "%s%c", drive, cur_sp_no);
95 if (find_device_in_mountlist(mountlist, device) >= 0)
96 foundsome = TRUE;
97 paranoid_free(device);
98 }
99 if (foundsome) {
100 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
101 asprintf(&device, "%s%c", drive, cur_sp_no);
102 pos = find_device_in_mountlist(mountlist, device);
103 if (pos < 0) {
104 continue;
105 }
106 // BERLIOS : useless ? asprintf(&mountpoint, mountlist->el[pos].mountpoint);
107 /* is it too big? */
108 if (curr_part_no > 'h') {
109 asprintf(&tmp, " Can only have up to 'h' in disklabel.");
110 log_it(tmp);
111 strcat(flaws_str, tmp);
112 paranoid_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 asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
124 device);
125 if (!strstr(flaws_str, tmp)) {
126 log_it(tmp);
127 strcat(flaws_str, tmp);
128 res++;
129 }
130 paranoid_free(tmp);
131 }
132 /* silly partition size? */
133 if (mountlist->el[pos].size < 8192
134 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
135 asprintf(&tmp, " %s is tiny!", device);
136 log_it(tmp);
137 strcat(flaws_str, tmp);
138 paranoid_free(tmp);
139 res++;
140 }
141 /* mountpoint should begin with / unless it is swap, lvm or raid */
142 if (strcmp(mountlist->el[pos].mountpoint, "swap")
143 && strcmp(mountlist->el[pos].mountpoint, "lvm")
144 && strcmp(mountlist->el[pos].mountpoint, "raid")
145 && strcmp(mountlist->el[pos].mountpoint, "image")
146 && strcmp(mountlist->el[pos].mountpoint, "none")
147 && mountlist->el[pos].mountpoint[0] != '/') {
148 asprintf(&tmp, " %s has a weird mountpoint.", device);
149 log_it(tmp);
150 strcat(flaws_str, tmp);
151 paranoid_free(tmp);
152 res++;
153 }
154 /* is format sensible? */
155 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
156 asprintf(&tmp, " %s has unsupported format.", device);
157 log_it(tmp);
158 strcat(flaws_str, tmp);
159 paranoid_free(tmp);
160 res++;
161 }
162 amount_allocated += mountlist->el[pos].size / 1024;
163 prev_sp_no = cur_sp_no;
164
165 paranoid_free(device);
166 }
167 }
168
169 npos = pos = 0;
170 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
171 asprintf(&device, "%ss%d", drive, curr_part_no);
172 pos = find_device_in_mountlist(mountlist, device);
173 npos = 0;
174 for (cur_sp_no = 'a'; cur_sp_no <= 'h'; cur_sp_no++) {
175 sprintf(device, "%ss%i%c", device, curr_part_no, cur_sp_no);
176 if (find_device_in_mountlist(mountlist, device) >= 0)
177 npos++;
178 }
179 paranoid_free(device);
180
181 if (((pos >= 0) || npos) && foundsome) {
182 sprintf(flaws_str + strlen(flaws_str),
183 " %s has both DD and PC-style partitions.", drive);
184 return ++res; // fatal error
185 }
186
187 // BERLIOS : useless ? asprintf(&mountpoint, mountlist->el[pos].mountpoint);
188 if (pos > 0 && !npos) {
189 asprintf(&device, "%ss%d", drive, curr_part_no);
190 /* gap in the partition list? */
191 if (curr_part_no - prev_part_no > 1) {
192 if (prev_part_no == 0) {
193 asprintf(&tmp, " Gap prior to %s.", device);
194 log_it(tmp);
195 strcat(flaws_str, tmp);
196 paranoid_free(tmp);
197 res++;
198 } else if (curr_part_no > 5
199 || (curr_part_no <= 4 && prev_part_no > 0)) {
200 asprintf(&tmp, " Gap between %ss%d and %d.", drive,
201 prev_part_no, curr_part_no);
202 log_it(tmp);
203 strcat(flaws_str, tmp);
204 paranoid_free(tmp);
205 res++;
206 }
207 }
208 /* GPT allows more than 4 primary partitions */
209 part_table_fmt = which_partition_format(drive);
210 /* no spare primary partitions to help accommodate the logical(s)? */
211 if ((curr_part_no >= 5 && prev_part_no == 4)
212 && (strcmp(part_table_fmt, "MBR") == 0)) {
213 asprintf(&tmp, " Partition %ss4 is occupied.", drive);
214 log_it(tmp);
215 strcat(flaws_str, tmp);
216 paranoid_free(tmp);
217 res++;
218 }
219 /* does partition /dev/adXsY exist more than once in the mountlist? */
220 for (i = 0, mountpoint_copies = 0, device_copies = 0;
221 i < mountlist->entries; i++) {
222 if (!strcmp(device, mountlist->el[i].device)) {
223 device_copies++;
224 }
225 }
226 if (device_copies > 1) {
227 asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
228 device);
229 if (!strstr(flaws_str, tmp)) {
230 log_it(tmp);
231 strcat(flaws_str, tmp);
232 res++;
233 }
234 paranoid_free(tmp);
235 }
236 /* silly partition size? */
237 if (mountlist->el[pos].size < 8192
238 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
239 asprintf(&tmp, " %s is tiny!", device);
240 log_it(tmp);
241 strcat(flaws_str, tmp);
242 paranoid_free(tmp);
243 res++;
244 }
245 /* mountpoint should begin with / unless it is swap, lvm or raid */
246 if (strcmp(mountlist->el[pos].mountpoint, "swap")
247 && strcmp(mountlist->el[pos].mountpoint, "lvm")
248 && strcmp(mountlist->el[pos].mountpoint, "raid")
249 && strcmp(mountlist->el[pos].mountpoint, "image")
250 && strcmp(mountlist->el[pos].mountpoint, "none")
251 && mountlist->el[pos].mountpoint[0] != '/') {
252 asprintf(&tmp, " %s has a weird mountpoint.", device);
253 log_it(tmp);
254 strcat(flaws_str, tmp);
255 paranoid_free(tmp);
256 res++;
257 }
258 /* is format sensible? */
259 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
260 asprintf(&tmp, " %s has unsupported format.", device);
261 log_it(tmp);
262 strcat(flaws_str, tmp);
263 paranoid_free(tmp);
264 res++;
265 }
266 paranoid_free(device);
267 } else {
268 /* Check subpartitions */
269 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
270 asprintf(&device, "%ss%d%c", drive, curr_part_no, cur_sp_no);
271 pos = find_device_in_mountlist(mountlist, device);
272 if (pos < 0) {
273 continue;
274 }
275 // BERLIOS : useless ? asprintf(&mountpoint, mountlist->el[pos].mountpoint);
276 /* is it too big? */
277 if (curr_part_no > 'h') {
278 asprintf(&tmp, " Can only have up to 'h' in disklabel.");
279 log_it(tmp);
280 strcat(flaws_str, tmp);
281 paranoid_free(tmp);
282 res++;
283 }
284 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
285 for (i = 0, mountpoint_copies = 0, device_copies = 0;
286 i < mountlist->entries; i++) {
287 if (!strcmp(device, mountlist->el[i].device)) {
288 device_copies++;
289 }
290 }
291 if (device_copies > 1) {
292 asprintf(&tmp, " %s %s's.",
293 number_to_text(device_copies), device);
294 if (!strstr(flaws_str, tmp)) {
295 log_it(tmp);
296 strcat(flaws_str, tmp);
297 res++;
298 }
299 paranoid_free(tmp);
300 }
301 /* silly partition size? */
302 if (mountlist->el[pos].size < 8192
303 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
304 asprintf(&tmp, " %s is tiny!", device);
305 log_it(tmp);
306 strcat(flaws_str, tmp);
307 paranoid_free(tmp);
308 res++;
309 }
310 /* mountpoint should begin with / unless it is swap, lvm or raid */
311 if (strcmp(mountlist->el[pos].mountpoint, "swap")
312 && strcmp(mountlist->el[pos].mountpoint, "lvm")
313 && strcmp(mountlist->el[pos].mountpoint, "raid")
314 && strcmp(mountlist->el[pos].mountpoint, "image")
315 && strcmp(mountlist->el[pos].mountpoint, "none")
316 && mountlist->el[pos].mountpoint[0] != '/') {
317 asprintf(&tmp, " %s has a weird mountpoint.", device);
318 log_it(tmp);
319 strcat(flaws_str, tmp);
320 paranoid_free(tmp);
321 res++;
322 }
323 /* is format sensible? */
324 if (!is_this_a_valid_disk_format
325 (mountlist->el[pos].format)) {
326 asprintf(&tmp, " %s has unsupported format.", device);
327 log_it(tmp);
328 strcat(flaws_str, tmp);
329 paranoid_free(tmp);
330 res++;
331 }
332 amount_allocated += mountlist->el[pos].size / 1024;
333 prev_sp_no = cur_sp_no;
334 paranoid_free(device);
335 }
336 }
337
338 /* OK, continue with main loop */
339 amount_allocated += mountlist->el[pos].size / 1024;
340 prev_part_no = curr_part_no;
341 }
342
343 /* Over-allocated the disk? Unallocated space on disk? */
344 if (amount_allocated > physical_drive_size) // Used to be +1, but what if you're 1 MB too high?
345 {
346 asprintf(&tmp, " %ld MB over-allocated on %s.",
347 amount_allocated - physical_drive_size, drive);
348 log_it(tmp);
349 strcat(flaws_str, tmp);
350 paranoid_free(tmp);
351 res++;
352 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
353 asprintf(&tmp, " %ld MB unallocated on %s.",
354 physical_drive_size - amount_allocated, drive);
355 log_it(tmp);
356 strcat(flaws_str, tmp);
357 paranoid_free(tmp);
358 }
359 if (res) {
360 return (FALSE);
361 } else {
362 return (TRUE);
363 }
364}
365
366#else
367// Linux-specific version of evaluate_drive_within_mountlist()
368{
369
370 /*@ int ************************************************************* */
371 int prev_part_no = 0;
372 int curr_part_no = 0;
373 int pos = 0;
374 int res = 0;
375 int mountpoint_copies = 0;
376 int device_copies = 0;
377 int i = 0;
378
379 /*@ buffers ******************************************************** */
380 char *tmp;
381 char *device;
382 char *mountpoint;
383
384 /*@ long *********************************************************** */
385 long physical_drive_size = 0;
386 long amount_allocated = 0;
387
388 /*@ pointers ******************************************************* */
389 char *part_table_fmt;
390
391 /*@ initialize ***************************************************** */
392 assert_string_is_neither_NULL_nor_zerolength(drive);
393 assert(mountlist != NULL);
394 assert(flaws_str != NULL);
395
396 flaws_str[0] = '\0';
397 prev_part_no = 0;
398 // BERLIOS : useless ? tmp[0] = '\0';
399
400
401 physical_drive_size = get_phys_size_of_drive(drive);
402
403 if (physical_drive_size < 0) {
404 asprintf(&tmp, " %s does not exist.", drive);
405 strcat(flaws_str, tmp);
406 res++;
407 log_msg(1, tmp);
408 paranoid_free(tmp);
409 return(FALSE);
410 } else {
411 asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
412 log_it(tmp);
413 paranoid_free(tmp);
414 }
415
416 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
417 asprintf(&device, "%s%d", drive, curr_part_no);
418 pos = find_device_in_mountlist(mountlist, device);
419 if (pos < 0) {
420 continue;
421 }
422 if (physical_drive_size < 0) {
423 asprintf(&tmp, " %s refers to non-existent hardware.", device);
424 strcat(flaws_str, tmp);
425 res++;
426 paranoid_free(tmp);
427 continue;
428 }
429 // BERLIOS : useless ? strcpy(mountpoint, mountlist->el[pos].mountpoint);
430 /* gap in the partition list? */
431 if (curr_part_no - prev_part_no > 1) {
432 if (prev_part_no == 0) {
433 asprintf(&tmp, " Gap prior to %s.", device);
434 log_it(tmp);
435 strcat(flaws_str, tmp);
436 paranoid_free(tmp);
437 res++;
438 } else if (curr_part_no > 5
439 || (curr_part_no <= 4 && prev_part_no > 0)) {
440 asprintf(&tmp, " Gap between %s%d and %d.", drive,
441 prev_part_no, curr_part_no);
442 log_it(tmp);
443 strcat(flaws_str, tmp);
444 paranoid_free(tmp);
445 res++;
446 }
447 }
448 /* GPT allows more than 4 primary partitions */
449 part_table_fmt = which_partition_format(drive);
450 /* no spare primary partitions to help accommodate the logical(s)? */
451 if ((curr_part_no >= 5 && prev_part_no == 4)
452 && (strcmp(part_table_fmt, "MBR") == 0)) {
453 asprintf(&tmp, " Partition %s4 is occupied.", drive);
454 log_it(tmp);
455 strcat(flaws_str, tmp);
456 paranoid_free(tmp);
457 res++;
458 }
459 /* does partition /dev/hdNX exist more than once in the mountlist? */
460 for (i = 0, mountpoint_copies = 0, device_copies = 0;
461 i < mountlist->entries; i++) {
462 if (!strcmp(device, mountlist->el[i].device)) {
463 device_copies++;
464 }
465 }
466 if (device_copies > 1) {
467 asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
468 device);
469 if (!strstr(flaws_str, tmp)) {
470 log_it(tmp);
471 strcat(flaws_str, tmp);
472 res++;
473 }
474 paranoid_free(tmp);
475 }
476 /* silly partition size? */
477 if (mountlist->el[pos].size < 8192
478 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
479 asprintf(&tmp, " %s is tiny!", device);
480 log_it(tmp);
481 strcat(flaws_str, tmp);
482 paranoid_free(tmp);
483 res++;
484 }
485 /* mountpoint should begin with / unless it is swap, lvm or raid */
486 if (strcmp(mountlist->el[pos].mountpoint, "swap")
487 && strcmp(mountlist->el[pos].mountpoint, "lvm")
488 && strcmp(mountlist->el[pos].mountpoint, "raid")
489 && strcmp(mountlist->el[pos].mountpoint, "image")
490 && mountlist->el[pos].mountpoint[0] != '/') {
491 asprintf(&tmp, " %s has a weird mountpoint.", device);
492 log_it(tmp);
493 strcat(flaws_str, tmp);
494 paranoid_free(tmp);
495 res++;
496 }
497 /* is format sensible? */
498 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
499 asprintf(&tmp, " %s has unsupported format.", device);
500 log_it(tmp);
501 strcat(flaws_str, tmp);
502 paranoid_free(tmp);
503 res++;
504 }
505 /* OK, continue with main loop */
506 amount_allocated += mountlist->el[pos].size / 1024;
507 prev_part_no = curr_part_no;
508 paranoid_free(device);
509 }
510
511 /* Over-allocated the disk? Unallocated space on disk? */
512 if (amount_allocated > physical_drive_size + 1) {
513 asprintf(&tmp, " %ld MB over-allocated on %s.",
514 amount_allocated - physical_drive_size, drive);
515 log_it(tmp);
516 strcat(flaws_str, tmp);
517 paranoid_free(tmp);
518 res++;
519 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
520 asprintf(&tmp, " %ld MB unallocated on %s.",
521 physical_drive_size - amount_allocated, drive);
522 log_it(tmp);
523 strcat(flaws_str, tmp);
524 paranoid_free(tmp);
525 }
526
527 if (res) {
528 return (FALSE);
529 } else {
530 return (TRUE);
531 }
532}
533#endif
534
535
536/**
537 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
538 * for each drive, and then spreads the flaws across three lines.
539 * @param mountlist The mountlist to evaluate.
540 * @param flaws_str_A Where to put the first line listing errors found.
541 * @param flaws_str_B Where to put the second line listing errors found.
542 * @param flaws_str_C Where to put the third line listing errors found.
543 * @return The number of flaws found (0 for success).
544 * @see evaluate_drive_within_mountlist
545 */
546int
547evaluate_mountlist(struct mountlist_itself *mountlist, char *flaws_str_A,
548 char *flaws_str_B, char *flaws_str_C)
549{
550
551 /*@ buffer *********************************************************** */
552 struct list_of_disks *drivelist;
553 char *tmp;
554 char *tmp1;
555 char *flaws_str;
556
557 /*@ int ************************************************************** */
558 int i = 0;
559 int res = 0;
560
561 /*@ initialize ******************************************************* */
562
563 drivelist = malloc(sizeof(struct list_of_disks));
564 assert(mountlist != NULL);
565 assert(flaws_str_A != NULL);
566 assert(flaws_str_B != NULL);
567 assert(flaws_str_C != NULL);
568
569 asprintf(&flaws_str, "");
570
571 make_list_of_drives_in_mountlist(mountlist, drivelist);
572
573 log_it("Evaluating mountlist...");
574
575 for (i = 0; i < drivelist->entries; i++) {
576 if (strstr
577 (drivelist->el[i].device,
578 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
579 asprintf(&tmp, " Not evaluating %s (I don't know how yet)",
580 drivelist->el[i].device);
581 log_it(tmp);
582 } else {
583 asprintf(&tmp, "");
584 // BERLIOS : tmp was NOT initialized ???
585 if (!evaluate_drive_within_mountlist
586 (mountlist, drivelist->el[i].device, tmp)) {
587 res++;
588 }
589 }
590 asprintf(&tmp1, "%s%s", flaws_str, tmp);
591 paranoid_free(tmp);
592 paranoid_free(flaws_str);
593 flaws_str = tmp1;
594 }
595 res += look_for_duplicate_mountpoints(mountlist, flaws_str);
596/* res+=look_for_weird_formats(mountlist,flaws_str); .. not necessary, now that we can check to see
597 which formarts are actually _supported_ by the kernel */
598 /* log_it(flaws_str); */
599 return (spread_flaws_across_three_lines
600 (flaws_str, flaws_str_A, flaws_str_B, flaws_str_C, res));
601}
602
603
604/**
605 * Find the index number of @p device in the mountlist.
606 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
607 * @param mountlist The mountlist to search in.
608 * @param device The device to search for.
609 * @return The zero-based index of the device, or -1 if it could not be found.
610 */
611int
612find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
613{
614
615 /*@ int ************************************************************** */
616 int i = 0;
617
618 assert(mountlist != NULL);
619 assert_string_is_neither_NULL_nor_zerolength(device);
620 for (i = 0;
621 i < mountlist->entries
622 && strcmp(mountlist->el[i].device, device) != 0; i++);
623
624 if (i == mountlist->entries) {
625 return (-1);
626 } else {
627 return (i);
628 }
629}
630
631
632/**
633 * Look for duplicate mountpoints in @p mountlist.
634 * @param mountlist The mountlist to check.
635 * @param flaws_str The flaws string to append the results to.
636 * @return The number of mountpoints that have duplicates, or 0 for success.
637 */
638int
639look_for_duplicate_mountpoints(struct mountlist_itself *mountlist,
640 char *flaws_str)
641{
642
643 /*@ int ************************************************************* */
644 int res = 0;
645 int currline = 0;
646 int i = 0;
647 int copies = 0;
648 int last_copy = 0;
649
650 /*@ buffetr ********************************************************* */
651 char *curr_mountpoint;
652 char *tmp;
653
654 assert(mountlist != NULL);
655 assert(flaws_str != NULL);
656 for (currline = 0; currline < mountlist->entries; currline++) {
657 asprintf(&curr_mountpoint, mountlist->el[currline].mountpoint);
658 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries;
659 i++) {
660 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
661 && strcmp(mountlist->el[i].mountpoint, "lvm")
662 && strcmp(mountlist->el[i].mountpoint, "swap")) {
663 last_copy = i;
664 copies++;
665 }
666 }
667 if (copies > 1 && last_copy == currline
668 && strcmp(curr_mountpoint, "raid")) {
669 asprintf(&tmp, " %s %s's.", number_to_text(copies),
670 curr_mountpoint);
671 strcat(flaws_str, tmp);
672 log_it(tmp);
673 paranoid_free(tmp);
674 res++;
675 }
676 paranoid_free(curr_mountpoint);
677 }
678 return (res);
679}
680
681
682/**
683 * Look for strange formats. Does not respect /proc/filesystems.
684 * @param mountlist The mountlist to check.
685 * @param flaws_str The flaws string to append the results to.
686 * @return The number of weird formats found, or 0 for success.
687 * @bug Seems orphaned; please remove.
688 */
689int
690look_for_weird_formats(struct mountlist_itself *mountlist, char *flaws_str)
691{
692
693 /*@ int ************************************************************* */
694 int i = 0;
695 int res = 0;
696
697 /*@ buffers ********************************************************* */
698 char *tmp;
699 char *format_sz;
700
701 assert(mountlist != NULL);
702 assert(flaws_str != NULL);
703
704 for (i = 0; i < mountlist->entries; i++) {
705 asprintf(&format_sz, " %s ", mountlist->el[i].format);
706 if (!strstr(SANE_FORMATS, format_sz)
707 && strcmp(mountlist->el[i].mountpoint, "image") != 0) {
708 asprintf(&tmp, " %s has unknown format.",
709 mountlist->el[i].device);
710 log_it(tmp);
711 strcat(flaws_str, tmp);
712 paranoid_free(tmp);
713 res++;
714 } else if ((!strcmp(mountlist->el[i].format, "swap")
715 && strcmp(mountlist->el[i].mountpoint, "swap")
716 && strcmp(mountlist->el[i].mountpoint, "none"))
717 || (strcmp(mountlist->el[i].format, "swap")
718 && !strcmp(mountlist->el[i].mountpoint, "swap")
719 && !strcmp(mountlist->el[i].mountpoint, "none"))) {
720 asprintf(&tmp, " %s is half-swap.", mountlist->el[i].device);
721 log_it(tmp);
722 strcat(flaws_str, tmp);
723 paranoid_free(tmp);
724 res++;
725 }
726 paranoid_free(format_sz);
727 }
728 return (res);
729}
730
731
732/**
733 * Make a list of the drives mentioned in the mountlist.
734 * @param mountlist The mountlist to examine.
735 * @param drivelist Where to put the list of drives found.
736 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
737 */
738int
739make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
740 struct list_of_disks *drivelist)
741{
742
743 /*@ int ************************************************************* */
744 int lino;
745 int noof_drives;
746 int j;
747
748 /*@ buffers ********************************************************* */
749 char *drive;
750 char *tmp;
751
752 long long size;
753
754 assert(mountlist != NULL);
755 assert(drivelist != NULL);
756 log_it("Making list of drives");
757 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
758
759 asprintf(&drive, mountlist->el[lino].device);
760 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
761 asprintf(&tmp,
762 "Not putting %s in list of drives: it's a virtual drive",
763 drive);
764 log_msg(8, tmp);
765 paranoid_free(tmp);
766 continue;
767 }
768
769 size = mountlist->el[lino].size;
770 if (size == 0) {
771 asprintf(&tmp,
772 "Not putting %s in list of drives: it has zero size (maybe an LVM volume)",
773 drive);
774 log_msg(8, tmp);
775 paranoid_free(tmp);
776 continue;
777 }
778
779/*
780 for (i = strlen (drive); isdigit (drive[i - 1]); i--);
781 drive[i] = '\0';
782 if (get_phys_size_of_drive (drive) <= 0 && drive[i - 1] == 'p')
783 {
784 i--;
785 drive[i] = '\0';
786 }
787 for (j = 0; j < noof_drives && strcmp (drivelist[j], drive) != 0; j++);
788*/
789
790 asprintf(&tmp,
791 "Putting %s with size %lli in list of drives",
792 drive, size);
793 log_msg(8, tmp);
794 paranoid_free(tmp);
795
796 (void) truncate_to_drive_name(drive);
797 for (j = 0;
798 j < noof_drives
799 && strcmp(drivelist->el[j].device, drive) != 0; j++)
800 continue;
801 if (j == noof_drives) {
802 strcpy(drivelist->el[noof_drives++].device, drive);
803 }
804 paranoid_free(drive);
805
806 }
807 drivelist->entries = noof_drives;
808 log_msg(8, "Made list of drives");
809
810 return (noof_drives);
811}
812
813
814/**
815 * Make a list of RAID partitions not currently associated with any RAID device.
816 * The user may add any of these partitions to the RAID device.
817 * @param output_list Where to put the list of unallocated RAID partitions.
818 * @param mountlist The mountlist to examine.
819 * @param raidlist The raidlist to examine.
820 */
821void make_list_of_unallocated_raid_partitions(struct mountlist_itself
822 *output_list,
823 struct mountlist_itself
824 *mountlist,
825 struct raidlist_itself
826 *raidlist)
827{
828
829 /*@ int ************************************************************* */
830 int items = 0;
831 int i = 0;
832 int used_by = 0;
833
834 /*@ buffers ********************************************************* */
835 char *tmp;
836
837 assert(output_list != NULL);
838 assert(mountlist != NULL);
839 assert(raidlist != NULL);
840 log_it("MLOURP -- starting");
841 items = 0;
842
843
844 for (i = 0; i < mountlist->entries; i++) {
845 if (strstr(mountlist->el[i].mountpoint, "raid")) {
846 used_by =
847 which_raid_device_is_using_this_partition(raidlist,
848 mountlist->el[i].
849 device);
850 if (used_by < 0) {
851 memcpy((void *) &output_list->el[items++],
852 (void *) &mountlist->el[i],
853 sizeof(struct mountlist_line));
854 asprintf(&tmp,
855 "%s is available; user may choose to add it to raid device",
856 output_list->el[items - 1].device);
857 log_it(tmp);
858 paranoid_free(tmp);
859 }
860 }
861 }
862 output_list->entries = items;
863 log_it("MLUORP -- ending");
864}
865
866
867/**
868 * Get the size of a mountlist entry by the @c device field.
869 * @param mountlist The mountlist to search in.
870 * @param device The device to search for
871 * @return The size of the device (in KB), or -1 if it could not be found.
872 */
873long long
874size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
875 char *device)
876{
877 /*@ int ************************************************************** */
878 int i = 0;
879
880
881 assert(mountlist != NULL);
882 assert_string_is_neither_NULL_nor_zerolength(device);
883
884 for (i = 0;
885 i < mountlist->entries && strcmp(mountlist->el[i].device, device);
886 i++);
887 if (i == mountlist->entries) {
888 return (-1);
889 } else {
890 return (mountlist->el[i].size);
891 }
892}
893
894
895/**
896 * Load a file on disk into @p mountlist.
897 * The file on disk should consist of multiple lines, each containing 4 or 5
898 * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
899 * Comments begin with a '#' without any leading whitespace. Any duplicate
900 * entries are renamed.
901 * @param mountlist The mountlist to load into.
902 * @param fname The name of the file to load the mountlist from.
903 * @return 0 for success, 1 for failure.
904 */
905int load_mountlist(struct mountlist_itself *mountlist, char *fname)
906{
907 FILE *fin;
908 /* malloc ** */
909 char *incoming = NULL;
910 char *siz;
911 char *tmp;
912 char *p;
913
914 int items;
915 int j;
916 int n = 0;
917
918 assert(mountlist != NULL);
919 assert_string_is_neither_NULL_nor_zerolength(fname);
920 malloc_string(siz);
921 if (!(fin = fopen(fname, "r"))) {
922 log_it("Unable to open mountlist - '%s'", fname);
923 log_to_screen("Cannot open mountlist");
924 paranoid_free(siz);
925 return (1);
926 }
927 items = 0;
928 (void) getline(&incoming, &n, fin);
929 log_it("Loading mountlist...");
930 while (!feof(fin)) {
931#if linux
932 sscanf(incoming,
933 "%s %s %s %s %s",
934 mountlist->el[items].device,
935 mountlist->el[items].mountpoint,
936 mountlist->el[items].format,
937 siz, mountlist->el[items].label);
938#elif __FreeBSD__
939 sscanf(incoming,
940 "%s %s %s %s",
941 mountlist->el[items].device,
942 mountlist->el[items].mountpoint,
943 mountlist->el[items].format, siz);
944 strcpy(mountlist->el[items].label, "");
945#endif
946
947 if (!strcmp(mountlist->el[items].device, "/proc") ||
948 !strcmp(mountlist->el[items].device, "proc") ||
949 !strcmp(mountlist->el[items].device, "/sys") ||
950 !strcmp(mountlist->el[items].device, "sys") ||
951 !strcmp(mountlist->el[items].device, "/devpts") ||
952 !strcmp(mountlist->el[items].device, "devpts")
953 ) {
954 log_msg(1,
955 "Ignoring %s in mountlist - not loading that line :) ",
956 mountlist->el[items].device);
957 (void) getline(&incoming, &n, fin);
958 continue;
959 }
960 mountlist->el[items].size = atoll(siz);
961 if (mountlist->el[items].device[0] != '\0'
962 && mountlist->el[items].device[0] != '#') {
963 if (items >= ARBITRARY_MAXIMUM) {
964 log_to_screen("Too many lines in mountlist.. ABORTING");
965 finish(1);
966 }
967 for (j = 0;
968 j < items
969 && strcmp(mountlist->el[j].device,
970 mountlist->el[items].device); j++);
971 if (j < items) {
972 strcat(mountlist->el[items].device, "_dup");
973 asprintf(&tmp,
974 "Duplicate entry in mountlist - renaming to %s",
975 mountlist->el[items].device);
976 log_it(tmp);
977 paranoid_free(tmp);
978 }
979 asprintf(&tmp, mountlist->el[items].device);
980 if (strstr(tmp, "/dev/md/")) {
981 log_it("format_device() --- Contracting %s", tmp);
982 p = strrchr(tmp, '/');
983 if (p) {
984 *p = *(p + 1);
985 *(p + 1) = *(p + 2);
986 *(p + 2) = *(p + 3);
987 }
988 log_it("It was %s; it is now %s",
989 mountlist->el[items].device, tmp);
990 strcpy(mountlist->el[items].device, tmp);
991 }
992 paranoid_free(tmp);
993
994 asprintf(&tmp,
995 "%s %s %s %lld %s",
996 mountlist->el[items].device,
997 mountlist->el[items].mountpoint,
998 mountlist->el[items].format,
999 mountlist->el[items].size, mountlist->el[items].label);
1000
1001 log_it(tmp);
1002 paranoid_free(tmp);
1003 items++;
1004 }
1005 (void) getline(&incoming, &n, fin);
1006 }
1007 paranoid_fclose(fin);
1008 paranoid_free(incoming);
1009 mountlist->entries = items;
1010
1011 log_it("Mountlist loaded successfully.");
1012 asprintf(&tmp, "%d entries in mountlist", items);
1013 log_it(tmp);
1014 paranoid_free(tmp);
1015
1016 paranoid_free(siz);
1017 return (0);
1018}
1019
1020
1021
1022/**
1023 * Save @p mountlist to a file on disk.
1024 * @param mountlist The mountlist to save.
1025 * @param fname The file to save it to.
1026 * @return 0 for success, 1 for failure.
1027 * @see load_mountlist
1028 */
1029int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
1030{
1031 FILE *fout;
1032 int i;
1033
1034 assert(mountlist != NULL);
1035 assert_string_is_neither_NULL_nor_zerolength(fname);
1036
1037 log_it("save_mountlist_to_disk() --- saving to %s", fname);
1038 if (!(fout = fopen(fname, "w"))) {
1039 log_OS_error("WMTD - Cannot openout mountlist");
1040 return (1);
1041 }
1042 for (i = 0; i < mountlist->entries; i++) {
1043 fprintf(fout,
1044 "%-15s %-15s %-15s %-15lld %-15s\n",
1045 mountlist->el[i].device, mountlist->el[i].mountpoint,
1046 mountlist->el[i].format, mountlist->el[i].size,
1047 mountlist->el[i].label);
1048 }
1049 paranoid_fclose(fout);
1050 return (0);
1051}
1052
1053
1054/**
1055 * Sort the mountlist alphabetically by device.
1056 * The sorting is done in-place.
1057 * @param mountlist The mountlist to sort.
1058 */
1059void sort_mountlist_by_device(struct mountlist_itself *mountlist)
1060{
1061 int diff;
1062 int lino = -999;
1063
1064 assert(mountlist != NULL);
1065
1066 while (lino < mountlist->entries) {
1067 for (lino = 1; lino < mountlist->entries; lino++) {
1068 diff =
1069 strcmp_inc_numbers(mountlist->el[lino - 1].device,
1070 mountlist->el[lino].device);
1071 if (diff > 0) {
1072 swap_mountlist_entries(mountlist, lino - 1, lino);
1073 break;
1074 }
1075 }
1076 }
1077}
1078
1079
1080/**
1081 * Sort the mountlist alphabetically by mountpoint.
1082 * The sorting is done in-place.
1083 * @param mountlist The mountlist to sort.
1084 * @param reverse If TRUE, then do a reverse sort.
1085 */
1086void
1087sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
1088 bool reverse)
1089{
1090 int diff;
1091 int lino = -999;
1092
1093 assert(mountlist != NULL);
1094
1095 while (lino < mountlist->entries) {
1096 for (lino = 1; lino < mountlist->entries; lino++) {
1097 diff =
1098 strcmp(mountlist->el[lino - 1].mountpoint,
1099 mountlist->el[lino].mountpoint);
1100 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
1101 swap_mountlist_entries(mountlist, lino - 1, lino);
1102 break;
1103 }
1104 }
1105 }
1106}
1107
1108
1109/**
1110 * Swap two entries in the mountlist in-place.
1111 * @param mountlist The mountlist to swap the entries in.
1112 * @param a The index number of the first entry.
1113 * @param b The index number of the second entry.
1114 */
1115void
1116swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
1117{
1118 /*@ mallocs *** */
1119 char *device;
1120 char *mountpoint;
1121 char *format;
1122
1123 long long size;
1124
1125 assert(mountlist != NULL);
1126 assert(a >= 0);
1127 assert(b >= 0);
1128
1129 asprintf(&device, mountlist->el[a].device);
1130 asprintf(&mountpoint, mountlist->el[a].mountpoint);
1131 asprintf(&format, mountlist->el[a].format);
1132
1133 size = mountlist->el[a].size;
1134
1135 strcpy(mountlist->el[a].device, mountlist->el[b].device);
1136 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
1137 strcpy(mountlist->el[a].format, mountlist->el[b].format);
1138
1139 mountlist->el[a].size = mountlist->el[b].size;
1140
1141 strcpy(mountlist->el[b].device, device);
1142 strcpy(mountlist->el[b].mountpoint, mountpoint);
1143 strcpy(mountlist->el[b].format, format);
1144
1145 mountlist->el[b].size = size;
1146}
1147
1148/* @} - end of mountlistGroup */
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