source: MondoRescue/trunk/mondo/mondo/common/libmondo-mountlist.c@ 280

Last change on this file since 280 was 280, checked in by andree, 18 years ago

Add the actual format to messages after calls to function
is_this_a_valid_disk_format() about unsupported formats.
  • Property svn:keywords set to Id
File size: 32.0 KB
RevLine 
[48]1/* $Id: libmondo-mountlist.c 280 2006-01-04 09:24:23Z andree $
2subroutines for handling mountlist
[1]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@*/
[48]21//static char cvsid[] = "$Id: libmondo-mountlist.c 280 2006-01-04 09:24:23Z andree $";
[1]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 */
[48]45int evaluate_drive_within_mountlist(struct mountlist_itself *mountlist,
46 char *drive, char *flaws_str)
[1]47#ifdef __FreeBSD__
48{
49// FreeBSD-specific version of evaluate_drive_within_mountlist()
[48]50 /*@ int ************************************************************* */
51 int prev_part_no = 0;
[1]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
[48]62 /*@ buffers ******************************************************** */
63 char *tmp;
64 char *device;
65 // BERLIOS : useless ? char *mountpoint;
[1]66
[48]67 /*@ long *********************************************************** */
68 long physical_drive_size = 0;
[1]69 long amount_allocated = 0;
70
[48]71 /*@ pointers ******************************************************* */
[1]72 char *part_table_fmt;
73
[48]74 /*@ initialize ***************************************************** */
75 flaws_str[0] = '\0';
76 prev_part_no = 0;
77 // BERLIOS: tmp[0] = '\0';
[1]78
79
[48]80 physical_drive_size = get_phys_size_of_drive(drive);
[1]81
[48]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);
[1]90
91
[48]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),
[59]124 device);
[48]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)) {
[280]156 asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[48]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;
[1]164
[48]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 // BERLIOS : useless ? asprintf(&mountpoint, mountlist->el[pos].mountpoint);
187 if (pos > 0 && !npos) {
188 asprintf(&device, "%ss%d", drive, curr_part_no);
189 /* gap in the partition list? */
190 if (curr_part_no - prev_part_no > 1) {
191 if (prev_part_no == 0) {
192 asprintf(&tmp, " Gap prior to %s.", device);
193 log_it(tmp);
194 strcat(flaws_str, tmp);
195 paranoid_free(tmp);
196 res++;
197 } else if (curr_part_no > 5
198 || (curr_part_no <= 4 && prev_part_no > 0)) {
199 asprintf(&tmp, " Gap between %ss%d and %d.", drive,
[59]200 prev_part_no, curr_part_no);
[48]201 log_it(tmp);
202 strcat(flaws_str, tmp);
203 paranoid_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 asprintf(&tmp, " Partition %ss4 is occupied.", drive);
213 log_it(tmp);
214 strcat(flaws_str, tmp);
215 paranoid_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 asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
[59]227 device);
[48]228 if (!strstr(flaws_str, tmp)) {
229 log_it(tmp);
230 strcat(flaws_str, tmp);
231 res++;
232 }
233 paranoid_free(tmp);
234 }
235 /* silly partition size? */
236 if (mountlist->el[pos].size < 8192
237 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
238 asprintf(&tmp, " %s is tiny!", device);
239 log_it(tmp);
240 strcat(flaws_str, tmp);
241 paranoid_free(tmp);
242 res++;
243 }
244 /* mountpoint should begin with / unless it is swap, lvm or raid */
245 if (strcmp(mountlist->el[pos].mountpoint, "swap")
246 && strcmp(mountlist->el[pos].mountpoint, "lvm")
247 && strcmp(mountlist->el[pos].mountpoint, "raid")
248 && strcmp(mountlist->el[pos].mountpoint, "image")
249 && strcmp(mountlist->el[pos].mountpoint, "none")
250 && mountlist->el[pos].mountpoint[0] != '/') {
251 asprintf(&tmp, " %s has a weird mountpoint.", device);
252 log_it(tmp);
253 strcat(flaws_str, tmp);
254 paranoid_free(tmp);
255 res++;
256 }
257 /* is format sensible? */
258 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
[280]259 asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[48]260 log_it(tmp);
261 strcat(flaws_str, tmp);
262 paranoid_free(tmp);
263 res++;
264 }
265 paranoid_free(device);
266 } else {
267 /* Check subpartitions */
268 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
[59]269 asprintf(&device, "%ss%d%c", drive, curr_part_no,
270 cur_sp_no);
[48]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') {
[59]278 asprintf(&tmp,
279 " Can only have up to 'h' in disklabel.");
[48]280 log_it(tmp);
281 strcat(flaws_str, tmp);
282 paranoid_free(tmp);
283 res++;
284 }
285 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
286 for (i = 0, mountpoint_copies = 0, device_copies = 0;
287 i < mountlist->entries; i++) {
288 if (!strcmp(device, mountlist->el[i].device)) {
289 device_copies++;
290 }
291 }
292 if (device_copies > 1) {
293 asprintf(&tmp, " %s %s's.",
[59]294 number_to_text(device_copies), device);
[48]295 if (!strstr(flaws_str, tmp)) {
296 log_it(tmp);
297 strcat(flaws_str, tmp);
298 res++;
299 }
300 paranoid_free(tmp);
301 }
302 /* silly partition size? */
303 if (mountlist->el[pos].size < 8192
304 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
305 asprintf(&tmp, " %s is tiny!", device);
306 log_it(tmp);
307 strcat(flaws_str, tmp);
308 paranoid_free(tmp);
309 res++;
310 }
311 /* mountpoint should begin with / unless it is swap, lvm or raid */
312 if (strcmp(mountlist->el[pos].mountpoint, "swap")
313 && strcmp(mountlist->el[pos].mountpoint, "lvm")
314 && strcmp(mountlist->el[pos].mountpoint, "raid")
315 && strcmp(mountlist->el[pos].mountpoint, "image")
316 && strcmp(mountlist->el[pos].mountpoint, "none")
317 && mountlist->el[pos].mountpoint[0] != '/') {
318 asprintf(&tmp, " %s has a weird mountpoint.", device);
319 log_it(tmp);
320 strcat(flaws_str, tmp);
321 paranoid_free(tmp);
322 res++;
323 }
324 /* is format sensible? */
325 if (!is_this_a_valid_disk_format
326 (mountlist->el[pos].format)) {
[280]327 asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[48]328 log_it(tmp);
329 strcat(flaws_str, tmp);
330 paranoid_free(tmp);
331 res++;
332 }
333 amount_allocated += mountlist->el[pos].size / 1024;
334 prev_sp_no = cur_sp_no;
335 paranoid_free(device);
336 }
337 }
338
339 /* OK, continue with main loop */
340 amount_allocated += mountlist->el[pos].size / 1024;
341 prev_part_no = curr_part_no;
342 }
343
344 /* Over-allocated the disk? Unallocated space on disk? */
345 if (amount_allocated > physical_drive_size) // Used to be +1, but what if you're 1 MB too high?
346 {
347 asprintf(&tmp, " %ld MB over-allocated on %s.",
[59]348 amount_allocated - physical_drive_size, drive);
[48]349 log_it(tmp);
350 strcat(flaws_str, tmp);
351 paranoid_free(tmp);
352 res++;
353 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
354 asprintf(&tmp, " %ld MB unallocated on %s.",
[59]355 physical_drive_size - amount_allocated, drive);
[48]356 log_it(tmp);
[59]357 strcat(flaws_str, tmp);
[48]358 paranoid_free(tmp);
359 }
360 if (res) {
361 return (FALSE);
362 } else {
363 return (TRUE);
364 }
[1]365}
366
367#else
368// Linux-specific version of evaluate_drive_within_mountlist()
369{
370
[48]371 /*@ int ************************************************************* */
372 int prev_part_no = 0;
[1]373 int curr_part_no = 0;
374 int pos = 0;
375 int res = 0;
376 int mountpoint_copies = 0;
377 int device_copies = 0;
378 int i = 0;
379
[48]380 /*@ buffers ******************************************************** */
381 char *tmp;
[1]382 char *device;
383
[48]384 /*@ long *********************************************************** */
385 long physical_drive_size = 0;
[1]386 long amount_allocated = 0;
387
[48]388 /*@ pointers ******************************************************* */
[1]389 char *part_table_fmt;
390
[48]391 /*@ initialize ***************************************************** */
392 assert_string_is_neither_NULL_nor_zerolength(drive);
393 assert(mountlist != NULL);
394 assert(flaws_str != NULL);
[1]395
[48]396 flaws_str[0] = '\0';
397 prev_part_no = 0;
398 // BERLIOS : useless ? tmp[0] = '\0';
[1]399
400
[48]401 physical_drive_size = get_phys_size_of_drive(drive);
[1]402
[48]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);
[59]409 return (FALSE);
[48]410 } else {
411 asprintf(&tmp, "%s is %ld MB", drive, physical_drive_size);
412 log_it(tmp);
413 paranoid_free(tmp);
414 }
[1]415
[48]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,
[59]441 prev_part_no, curr_part_no);
[48]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 }
[146]459 paranoid_free(part_table_fmt);
460
[48]461 /* does partition /dev/hdNX exist more than once in the mountlist? */
462 for (i = 0, mountpoint_copies = 0, device_copies = 0;
463 i < mountlist->entries; i++) {
464 if (!strcmp(device, mountlist->el[i].device)) {
465 device_copies++;
466 }
467 }
468 if (device_copies > 1) {
469 asprintf(&tmp, " %s %s's.", number_to_text(device_copies),
[59]470 device);
[48]471 if (!strstr(flaws_str, tmp)) {
472 log_it(tmp);
473 strcat(flaws_str, tmp);
474 res++;
475 }
476 paranoid_free(tmp);
477 }
478 /* silly partition size? */
479 if (mountlist->el[pos].size < 8192
480 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
481 asprintf(&tmp, " %s is tiny!", device);
482 log_it(tmp);
483 strcat(flaws_str, tmp);
484 paranoid_free(tmp);
485 res++;
486 }
487 /* mountpoint should begin with / unless it is swap, lvm or raid */
488 if (strcmp(mountlist->el[pos].mountpoint, "swap")
489 && strcmp(mountlist->el[pos].mountpoint, "lvm")
490 && strcmp(mountlist->el[pos].mountpoint, "raid")
491 && strcmp(mountlist->el[pos].mountpoint, "image")
492 && mountlist->el[pos].mountpoint[0] != '/') {
493 asprintf(&tmp, " %s has a weird mountpoint.", device);
494 log_it(tmp);
495 strcat(flaws_str, tmp);
496 paranoid_free(tmp);
497 res++;
498 }
499 /* is format sensible? */
500 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
[280]501 asprintf(&tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[48]502 log_it(tmp);
503 strcat(flaws_str, tmp);
504 paranoid_free(tmp);
505 res++;
506 }
507 /* OK, continue with main loop */
508 amount_allocated += mountlist->el[pos].size / 1024;
509 prev_part_no = curr_part_no;
510 paranoid_free(device);
[1]511 }
[48]512
513 /* Over-allocated the disk? Unallocated space on disk? */
514 if (amount_allocated > physical_drive_size + 1) {
515 asprintf(&tmp, " %ld MB over-allocated on %s.",
[59]516 amount_allocated - physical_drive_size, drive);
[48]517 log_it(tmp);
518 strcat(flaws_str, tmp);
519 paranoid_free(tmp);
520 res++;
521 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
522 asprintf(&tmp, " %ld MB unallocated on %s.",
[59]523 physical_drive_size - amount_allocated, drive);
[48]524 log_it(tmp);
525 strcat(flaws_str, tmp);
526 paranoid_free(tmp);
[1]527 }
[48]528
529 if (res) {
530 return (FALSE);
531 } else {
532 return (TRUE);
[1]533 }
534}
535#endif
536
537
538/**
539 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
540 * for each drive, and then spreads the flaws across three lines.
541 * @param mountlist The mountlist to evaluate.
542 * @param flaws_str_A Where to put the first line listing errors found.
543 * @param flaws_str_B Where to put the second line listing errors found.
544 * @param flaws_str_C Where to put the third line listing errors found.
545 * @return The number of flaws found (0 for success).
546 * @see evaluate_drive_within_mountlist
547 */
548int
[48]549evaluate_mountlist(struct mountlist_itself *mountlist, char *flaws_str_A,
550 char *flaws_str_B, char *flaws_str_C)
[1]551{
552
[48]553 /*@ buffer *********************************************************** */
554 struct list_of_disks *drivelist;
[1]555 char *tmp;
[48]556 char *tmp1;
[1]557 char *flaws_str;
558
[48]559 /*@ int ************************************************************** */
[1]560 int i = 0;
561 int res = 0;
562
[48]563 /*@ initialize ******************************************************* */
[1]564
[48]565 drivelist = malloc(sizeof(struct list_of_disks));
566 assert(mountlist != NULL);
567 assert(flaws_str_A != NULL);
568 assert(flaws_str_B != NULL);
569 assert(flaws_str_C != NULL);
[1]570
[171]571 asprintf(&flaws_str, " ");
[1]572
[48]573 make_list_of_drives_in_mountlist(mountlist, drivelist);
[1]574
[48]575 log_it("Evaluating mountlist...");
576
577 for (i = 0; i < drivelist->entries; i++) {
578 if (strstr
579 (drivelist->el[i].device,
580 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
581 asprintf(&tmp, " Not evaluating %s (I don't know how yet)",
[59]582 drivelist->el[i].device);
[48]583 log_it(tmp);
584 } else {
[171]585 asprintf(&tmp, " ");
[48]586 // BERLIOS : tmp was NOT initialized ???
587 if (!evaluate_drive_within_mountlist
588 (mountlist, drivelist->el[i].device, tmp)) {
589 res++;
590 }
591 }
592 asprintf(&tmp1, "%s%s", flaws_str, tmp);
593 paranoid_free(tmp);
594 paranoid_free(flaws_str);
595 flaws_str = tmp1;
[1]596 }
[48]597 res += look_for_duplicate_mountpoints(mountlist, flaws_str);
[1]598/* res+=look_for_weird_formats(mountlist,flaws_str); .. not necessary, now that we can check to see
599 which formarts are actually _supported_ by the kernel */
[48]600 /* log_it(flaws_str); */
601 return (spread_flaws_across_three_lines
602 (flaws_str, flaws_str_A, flaws_str_B, flaws_str_C, res));
[1]603}
604
605
606/**
607 * Find the index number of @p device in the mountlist.
608 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
609 * @param mountlist The mountlist to search in.
610 * @param device The device to search for.
611 * @return The zero-based index of the device, or -1 if it could not be found.
612 */
613int
[48]614find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
[1]615{
616
[48]617 /*@ int ************************************************************** */
618 int i = 0;
[1]619
[48]620 assert(mountlist != NULL);
621 assert_string_is_neither_NULL_nor_zerolength(device);
622 for (i = 0;
623 i < mountlist->entries
624 && strcmp(mountlist->el[i].device, device) != 0; i++);
625
626 if (i == mountlist->entries) {
627 return (-1);
628 } else {
629 return (i);
630 }
[1]631}
632
633
634/**
635 * Look for duplicate mountpoints in @p mountlist.
636 * @param mountlist The mountlist to check.
637 * @param flaws_str The flaws string to append the results to.
638 * @return The number of mountpoints that have duplicates, or 0 for success.
639 */
640int
[48]641look_for_duplicate_mountpoints(struct mountlist_itself *mountlist,
642 char *flaws_str)
[1]643{
644
[48]645 /*@ int ************************************************************* */
646 int res = 0;
[1]647 int currline = 0;
648 int i = 0;
649 int copies = 0;
650 int last_copy = 0;
651
[48]652 /*@ buffetr ********************************************************* */
653 char *curr_mountpoint;
[1]654 char *tmp;
655
[48]656 assert(mountlist != NULL);
657 assert(flaws_str != NULL);
658 for (currline = 0; currline < mountlist->entries; currline++) {
659 asprintf(&curr_mountpoint, mountlist->el[currline].mountpoint);
660 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries;
661 i++) {
662 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
663 && strcmp(mountlist->el[i].mountpoint, "lvm")
664 && strcmp(mountlist->el[i].mountpoint, "swap")) {
665 last_copy = i;
666 copies++;
667 }
668 }
669 if (copies > 1 && last_copy == currline
670 && strcmp(curr_mountpoint, "raid")) {
671 asprintf(&tmp, " %s %s's.", number_to_text(copies),
[59]672 curr_mountpoint);
[48]673 strcat(flaws_str, tmp);
674 log_it(tmp);
675 paranoid_free(tmp);
676 res++;
677 }
678 paranoid_free(curr_mountpoint);
[1]679 }
[48]680 return (res);
[1]681}
682
[48]683
[1]684/**
685 * Look for strange formats. Does not respect /proc/filesystems.
686 * @param mountlist The mountlist to check.
687 * @param flaws_str The flaws string to append the results to.
688 * @return The number of weird formats found, or 0 for success.
689 * @bug Seems orphaned; please remove.
690 */
691int
[48]692look_for_weird_formats(struct mountlist_itself *mountlist, char *flaws_str)
[1]693{
694
[48]695 /*@ int ************************************************************* */
696 int i = 0;
[1]697 int res = 0;
698
[48]699 /*@ buffers ********************************************************* */
700 char *tmp;
[1]701 char *format_sz;
702
[48]703 assert(mountlist != NULL);
704 assert(flaws_str != NULL);
[1]705
[48]706 for (i = 0; i < mountlist->entries; i++) {
707 asprintf(&format_sz, " %s ", mountlist->el[i].format);
708 if (!strstr(SANE_FORMATS, format_sz)
709 && strcmp(mountlist->el[i].mountpoint, "image") != 0) {
710 asprintf(&tmp, " %s has unknown format.",
[59]711 mountlist->el[i].device);
[48]712 log_it(tmp);
713 strcat(flaws_str, tmp);
714 paranoid_free(tmp);
715 res++;
716 } else if ((!strcmp(mountlist->el[i].format, "swap")
717 && strcmp(mountlist->el[i].mountpoint, "swap")
718 && strcmp(mountlist->el[i].mountpoint, "none"))
719 || (strcmp(mountlist->el[i].format, "swap")
720 && !strcmp(mountlist->el[i].mountpoint, "swap")
721 && !strcmp(mountlist->el[i].mountpoint, "none"))) {
722 asprintf(&tmp, " %s is half-swap.", mountlist->el[i].device);
723 log_it(tmp);
724 strcat(flaws_str, tmp);
725 paranoid_free(tmp);
726 res++;
727 }
728 paranoid_free(format_sz);
[1]729 }
[48]730 return (res);
[1]731}
732
733
734/**
735 * Make a list of the drives mentioned in the mountlist.
736 * @param mountlist The mountlist to examine.
737 * @param drivelist Where to put the list of drives found.
738 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
739 */
740int
[48]741make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
742 struct list_of_disks *drivelist)
[1]743{
744
[48]745 /*@ int ************************************************************* */
746 int lino;
747 int noof_drives;
748 int j;
[1]749
[48]750 /*@ buffers ********************************************************* */
751 char *drive;
752 char *tmp;
[1]753
[48]754 long long size;
[1]755
[48]756 assert(mountlist != NULL);
757 assert(drivelist != NULL);
758 log_it("Making list of drives");
759 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
[1]760
[48]761 asprintf(&drive, mountlist->el[lino].device);
762 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
763 asprintf(&tmp,
[59]764 "Not putting %s in list of drives: it's a virtual drive",
765 drive);
[48]766 log_msg(8, tmp);
767 paranoid_free(tmp);
768 continue;
769 }
[1]770
[48]771 size = mountlist->el[lino].size;
772 if (size == 0) {
773 asprintf(&tmp,
[59]774 "Not putting %s in list of drives: it has zero size (maybe an LVM volume)",
775 drive);
[48]776 log_msg(8, tmp);
777 paranoid_free(tmp);
778 continue;
779 }
780
[1]781/*
782 for (i = strlen (drive); isdigit (drive[i - 1]); i--);
783 drive[i] = '\0';
784 if (get_phys_size_of_drive (drive) <= 0 && drive[i - 1] == 'p')
785 {
786 i--;
787 drive[i] = '\0';
788 }
789 for (j = 0; j < noof_drives && strcmp (drivelist[j], drive) != 0; j++);
790*/
791
[48]792 asprintf(&tmp,
[59]793 "Putting %s with size %lli in list of drives",
794 drive, size);
[48]795 log_msg(8, tmp);
796 paranoid_free(tmp);
[1]797
[48]798 (void) truncate_to_drive_name(drive);
799 for (j = 0;
800 j < noof_drives
801 && strcmp(drivelist->el[j].device, drive) != 0; j++)
802 continue;
803 if (j == noof_drives) {
804 strcpy(drivelist->el[noof_drives++].device, drive);
805 }
806 paranoid_free(drive);
807
[1]808 }
[48]809 drivelist->entries = noof_drives;
810 log_msg(8, "Made list of drives");
[1]811
[48]812 return (noof_drives);
[1]813}
814
815
816/**
817 * Make a list of RAID partitions not currently associated with any RAID device.
818 * The user may add any of these partitions to the RAID device.
819 * @param output_list Where to put the list of unallocated RAID partitions.
820 * @param mountlist The mountlist to examine.
821 * @param raidlist The raidlist to examine.
822 */
[48]823void make_list_of_unallocated_raid_partitions(struct mountlist_itself
[59]824 *output_list, struct mountlist_itself
825 *mountlist, struct raidlist_itself
[48]826 *raidlist)
[1]827{
828
[48]829 /*@ int ************************************************************* */
830 int items = 0;
[1]831 int i = 0;
832 int used_by = 0;
833
[48]834 /*@ buffers ********************************************************* */
835 char *tmp;
[1]836
[48]837 assert(output_list != NULL);
838 assert(mountlist != NULL);
839 assert(raidlist != NULL);
840 log_it("MLOURP -- starting");
841 items = 0;
[1]842
843
[48]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,
[59]855 "%s is available; user may choose to add it to raid device",
856 output_list->el[items - 1].device);
[48]857 log_it(tmp);
858 paranoid_free(tmp);
859 }
860 }
[1]861 }
[48]862 output_list->entries = items;
863 log_it("MLUORP -- ending");
[1]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
[48]874size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
875 char *device)
[1]876{
[48]877 /*@ int ************************************************************** */
878 int i = 0;
[1]879
880
[48]881 assert(mountlist != NULL);
882 assert_string_is_neither_NULL_nor_zerolength(device);
[1]883
[48]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 }
[1]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 */
[48]905int load_mountlist(struct mountlist_itself *mountlist, char *fname)
[1]906{
[48]907 FILE *fin;
908 /* malloc ** */
909 char *incoming = NULL;
910 char *siz;
911 char *tmp;
912 char *p;
[1]913
[48]914 int items;
915 int j;
[49]916 size_t n = 0;
[1]917
[48]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)) {
[1]931#if linux
[48]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);
[1]938#elif __FreeBSD__
[48]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, "");
[1]945#endif
946
[48]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,
[59]974 "Duplicate entry in mountlist - renaming to %s",
975 mountlist->el[items].device);
[48]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);
[1]993
[48]994 asprintf(&tmp,
[59]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,
1000 mountlist->el[items].label);
[1]1001
[48]1002 log_it(tmp);
1003 paranoid_free(tmp);
1004 items++;
1005 }
1006 (void) getline(&incoming, &n, fin);
[1]1007 }
[48]1008 paranoid_fclose(fin);
1009 paranoid_free(incoming);
1010 mountlist->entries = items;
[1]1011
[48]1012 log_it("Mountlist loaded successfully.");
1013 asprintf(&tmp, "%d entries in mountlist", items);
1014 log_it(tmp);
1015 paranoid_free(tmp);
1016
1017 paranoid_free(siz);
1018 return (0);
[1]1019}
1020
1021
1022
1023/**
1024 * Save @p mountlist to a file on disk.
1025 * @param mountlist The mountlist to save.
1026 * @param fname The file to save it to.
1027 * @return 0 for success, 1 for failure.
1028 * @see load_mountlist
1029 */
[48]1030int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
[1]1031{
[48]1032 FILE *fout;
1033 int i;
[1]1034
[48]1035 assert(mountlist != NULL);
1036 assert_string_is_neither_NULL_nor_zerolength(fname);
[1]1037
[48]1038 log_it("save_mountlist_to_disk() --- saving to %s", fname);
1039 if (!(fout = fopen(fname, "w"))) {
1040 log_OS_error("WMTD - Cannot openout mountlist");
1041 return (1);
1042 }
1043 for (i = 0; i < mountlist->entries; i++) {
1044 fprintf(fout,
1045 "%-15s %-15s %-15s %-15lld %-15s\n",
1046 mountlist->el[i].device, mountlist->el[i].mountpoint,
1047 mountlist->el[i].format, mountlist->el[i].size,
1048 mountlist->el[i].label);
1049 }
1050 paranoid_fclose(fout);
1051 return (0);
[1]1052}
1053
1054
1055/**
1056 * Sort the mountlist alphabetically by device.
1057 * The sorting is done in-place.
1058 * @param mountlist The mountlist to sort.
1059 */
[48]1060void sort_mountlist_by_device(struct mountlist_itself *mountlist)
[1]1061{
[48]1062 int diff;
1063 int lino = -999;
[1]1064
[48]1065 assert(mountlist != NULL);
[1]1066
[48]1067 while (lino < mountlist->entries) {
1068 for (lino = 1; lino < mountlist->entries; lino++) {
1069 diff =
1070 strcmp_inc_numbers(mountlist->el[lino - 1].device,
1071 mountlist->el[lino].device);
1072 if (diff > 0) {
1073 swap_mountlist_entries(mountlist, lino - 1, lino);
1074 break;
1075 }
1076 }
[1]1077 }
1078}
1079
[48]1080
[1]1081/**
1082 * Sort the mountlist alphabetically by mountpoint.
1083 * The sorting is done in-place.
1084 * @param mountlist The mountlist to sort.
1085 * @param reverse If TRUE, then do a reverse sort.
1086 */
[48]1087void
1088sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
1089 bool reverse)
[1]1090{
[48]1091 int diff;
1092 int lino = -999;
[1]1093
[48]1094 assert(mountlist != NULL);
[1]1095
[48]1096 while (lino < mountlist->entries) {
1097 for (lino = 1; lino < mountlist->entries; lino++) {
1098 diff =
1099 strcmp(mountlist->el[lino - 1].mountpoint,
1100 mountlist->el[lino].mountpoint);
1101 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
1102 swap_mountlist_entries(mountlist, lino - 1, lino);
1103 break;
1104 }
1105 }
[1]1106 }
1107}
1108
1109
1110/**
1111 * Swap two entries in the mountlist in-place.
1112 * @param mountlist The mountlist to swap the entries in.
1113 * @param a The index number of the first entry.
1114 * @param b The index number of the second entry.
1115 */
[48]1116void
[1]1117swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
1118{
[48]1119 /*@ mallocs *** */
1120 char *device;
1121 char *mountpoint;
1122 char *format;
[1]1123
[48]1124 long long size;
[1]1125
[48]1126 assert(mountlist != NULL);
1127 assert(a >= 0);
1128 assert(b >= 0);
[1]1129
[48]1130 asprintf(&device, mountlist->el[a].device);
1131 asprintf(&mountpoint, mountlist->el[a].mountpoint);
1132 asprintf(&format, mountlist->el[a].format);
[1]1133
[48]1134 size = mountlist->el[a].size;
[1]1135
[48]1136 strcpy(mountlist->el[a].device, mountlist->el[b].device);
1137 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
1138 strcpy(mountlist->el[a].format, mountlist->el[b].format);
[1]1139
[48]1140 mountlist->el[a].size = mountlist->el[b].size;
[1]1141
[48]1142 strcpy(mountlist->el[b].device, device);
1143 strcpy(mountlist->el[b].mountpoint, mountpoint);
1144 strcpy(mountlist->el[b].format, format);
[1]1145
[48]1146 mountlist->el[b].size = size;
[1]1147}
1148
1149/* @} - end of mountlistGroup */
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