source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-mountlist.c@ 2232

Last change on this file since 2232 was 2232, checked in by Bruno Cornec, 15 years ago

r3126@localhost: bruno | 2009-06-18 20:04:26 +0200
Adds a NUL char after doing strncpy to avoid potential issues
  • Property svn:keywords set to Id
File size: 29.5 KB
RevLine 
[2052]1/* subroutines for handling mountlist
[128]2 $Id: libmondo-mountlist.c 2232 2009-06-19 16:04:13Z bruno $
[1]3*/
4
5
6/**
7 * @file
8 * Functions which manipulate the mountlist.
9 */
10
11#include "my-stuff.h"
[2209]12#include "mr_mem.h"
[1]13#include "mondostructures.h"
14#include "libmondo-mountlist.h"
[541]15#include "lib-common-externs.h"
[1]16#include "libmondo-raid-EXT.h"
17#include "libmondo-devices-EXT.h"
18#include "libmondo-tools-EXT.h"
19#include "libmondo-string-EXT.h"
[1236]20#include "newt-specific-EXT.h"
[1]21
22/*@unused@*/
[128]23//static char cvsid[] = "$Id: libmondo-mountlist.c 2232 2009-06-19 16:04:13Z bruno $";
[1]24
[1645]25/* Reference to global bkpinfo */
26extern struct s_bkpinfo *bkpinfo;
27
[1]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).
[2207]40 * @return The flaws string found (NULL for success) allocated to be freed
[1]41 * @see evaluate_mountlist
42 */
[2207]43char *evaluate_drive_within_mountlist(struct mountlist_itself *mountlist, char *drive)
[1]44#ifdef __FreeBSD__
45{
46// FreeBSD-specific version of evaluate_drive_within_mountlist()
[128]47 /*@ int ************************************************************* */
48 int prev_part_no = 0;
[1]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
[128]59 /*@ buffers ******************************************************** */
60 char tmp[MAX_STR_LEN];
[1]61 char device[MAX_STR_LEN];
62 char mountpoint[MAX_STR_LEN];
63
[2209]64 char *flaws_str = NULL;
65
[128]66 /*@ long *********************************************************** */
67 long physical_drive_size = 0;
[1]68 long amount_allocated = 0;
69
[128]70 /*@ pointers ******************************************************* */
[1]71 char *part_table_fmt;
72
[128]73 /*@ initialize ***************************************************** */
74 prev_part_no = 0;
75 tmp[0] = '\0';
[2211]76 mr_asprintf(&flaws_str, "%s", "");
[1]77
78
[128]79 physical_drive_size = get_phys_size_of_drive(drive);
[1]80
[128]81 if (physical_drive_size < 0) {
82 sprintf(tmp, " %s does not exist.", drive);
[2209]83 mr_strcat(flaws_str, "%s", tmp);
[128]84 } else {
85 sprintf(tmp, "%s is %ld MB", drive, physical_drive_size);
86 }
87 log_it(tmp);
[1]88
89
[128]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 sprintf(tmp, " Can only have up to 'h' in disklabel.");
107 log_it(tmp);
[2207]108 mr_strcat(flaws_str, tmp);
[128]109 res++;
110 }
111 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
112 for (i = 0, mountpoint_copies = 0, device_copies = 0;
113 i < mountlist->entries; i++) {
114 if (!strcmp(device, mountlist->el[i].device)) {
115 device_copies++;
116 }
117 }
118 if (device_copies > 1) {
119 sprintf(tmp, " %s %s's.", number_to_text(device_copies),
120 device);
121 if (!strstr(flaws_str, tmp)) {
122 log_it(tmp);
[2207]123 mr_strcat(flaws_str, tmp);
[128]124 res++;
125 }
126 }
127 /* silly partition size? */
128 if (mountlist->el[pos].size < 8192
129 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
130 sprintf(tmp, " %s is tiny!", device);
131 log_it(tmp);
[2207]132 mr_strcat(flaws_str, tmp);
[128]133 res++;
134 }
135 /* mountpoint should begin with / unless it is swap, lvm or raid */
136 if (strcmp(mountlist->el[pos].mountpoint, "swap")
137 && strcmp(mountlist->el[pos].mountpoint, "lvm")
138 && strcmp(mountlist->el[pos].mountpoint, "raid")
139 && strcmp(mountlist->el[pos].mountpoint, "image")
140 && strcmp(mountlist->el[pos].mountpoint, "none")
141 && mountlist->el[pos].mountpoint[0] != '/') {
142 sprintf(tmp, " %s has a weird mountpoint.", device);
143 log_it(tmp);
[2207]144 mr_strcat(flaws_str, tmp);
[128]145 res++;
146 }
147 /* is format sensible? */
148 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
[279]149 sprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[128]150 log_it(tmp);
[2207]151 mr_strcat(flaws_str, tmp);
[128]152 res++;
153 }
[2125]154 amount_allocated += mountlist->el[pos].size / 1024L;
[128]155 prev_sp_no = cur_sp_no;
156 }
157 }
[1]158
[128]159 npos = pos = 0;
160 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
[1303]161 build_partition_name(device, drive, curr_part_no);
[128]162 pos = find_device_in_mountlist(mountlist, device);
163 npos = 0;
164 for (cur_sp_no = 'a'; cur_sp_no <= 'h'; cur_sp_no++) {
165 sprintf(device, "%ss%i%c", device, curr_part_no, cur_sp_no);
166 if (find_device_in_mountlist(mountlist, device) >= 0)
167 npos++;
168 }
169 if (((pos >= 0) || npos) && foundsome) {
[2207]170 mr_strcat(flaws_str, " %s has both DD and PC-style partitions.", drive);
[2209]171 return(flaws_str); // fatal error
[128]172 }
173
[1303]174 build_partition_name(device, drive, curr_part_no);
[128]175 strcpy(mountpoint, mountlist->el[pos].mountpoint);
176 if (pos > 0 && !npos) {
177 /* gap in the partition list? */
178 if (curr_part_no - prev_part_no > 1) {
179 if (prev_part_no == 0) {
180 sprintf(tmp, " Gap prior to %s.", device);
181 log_it(tmp);
[2209]182 mr_strcat(flaws_str, "%s", tmp);
[128]183 res++;
184 } else if (curr_part_no > 5
185 || (curr_part_no <= 4 && prev_part_no > 0)) {
186 sprintf(tmp, " Gap between %ss%d and %d.", drive,
187 prev_part_no, curr_part_no);
188 log_it(tmp);
[2209]189 mr_strcat(flaws_str, "%s", tmp);
[128]190 res++;
191 }
192 }
193 /* GPT allows more than 4 primary partitions */
194 part_table_fmt = which_partition_format(drive);
195 /* no spare primary partitions to help accommodate the logical(s)? */
196 if ((curr_part_no >= 5 && prev_part_no == 4)
197 && (strcmp(part_table_fmt, "MBR") == 0)) {
198 sprintf(tmp, " Partition %ss4 is occupied.", drive);
199 log_it(tmp);
[2209]200 mr_strcat(flaws_str, "%s", tmp);
[128]201 res++;
202 }
203 /* does partition /dev/adXsY exist more than once in the mountlist? */
204 for (i = 0, mountpoint_copies = 0, device_copies = 0;
205 i < mountlist->entries; i++) {
206 if (!strcmp(device, mountlist->el[i].device)) {
207 device_copies++;
208 }
209 }
210 if (device_copies > 1) {
211 sprintf(tmp, " %s %s's.", number_to_text(device_copies),
212 device);
[2209]213 if (!strstr(flaws_str, "%s", tmp)) {
[128]214 log_it(tmp);
[2209]215 mr_strcat(flaws_str, "%s", tmp);
[128]216 res++;
217 }
218 }
219 /* silly partition size? */
220 if (mountlist->el[pos].size < 8192
221 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
222 sprintf(tmp, " %s is tiny!", device);
223 log_it(tmp);
[2209]224 mr_strcat(flaws_str, "%s", tmp);
[128]225 res++;
226 }
227 /* mountpoint should begin with / unless it is swap, lvm or raid */
228 if (strcmp(mountlist->el[pos].mountpoint, "swap")
229 && strcmp(mountlist->el[pos].mountpoint, "lvm")
230 && strcmp(mountlist->el[pos].mountpoint, "raid")
231 && strcmp(mountlist->el[pos].mountpoint, "image")
232 && strcmp(mountlist->el[pos].mountpoint, "none")
233 && mountlist->el[pos].mountpoint[0] != '/') {
234 sprintf(tmp, " %s has a weird mountpoint.", device);
235 log_it(tmp);
[2209]236 mr_strcat(flaws_str, "%s", tmp);
[128]237 res++;
238 }
239 /* is format sensible? */
240 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
[279]241 sprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[128]242 log_it(tmp);
[2209]243 mr_strcat(flaws_str, "%s", tmp);
[128]244 res++;
245 }
246 } else {
247 /* Check subpartitions */
248 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
249 sprintf(device, "%ss%d%c", drive, curr_part_no, cur_sp_no);
250 pos = find_device_in_mountlist(mountlist, device);
251 if (pos < 0) {
252 continue;
253 }
254 strcpy(mountpoint, mountlist->el[pos].mountpoint);
255 /* is it too big? */
256 if (curr_part_no > 'h') {
257 sprintf(tmp, " Can only have up to 'h' in disklabel.");
258 log_it(tmp);
[2209]259 mr_strcat(flaws_str, "%s", tmp);
[128]260 res++;
261 }
262 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
263 for (i = 0, mountpoint_copies = 0, device_copies = 0;
264 i < mountlist->entries; i++) {
265 if (!strcmp(device, mountlist->el[i].device)) {
266 device_copies++;
267 }
268 }
269 if (device_copies > 1) {
270 sprintf(tmp, " %s %s's.",
271 number_to_text(device_copies), device);
272 if (!strstr(flaws_str, tmp)) {
273 log_it(tmp);
[2209]274 mr_strcat(flaws_str, "%s", tmp);
[128]275 res++;
276 }
277 }
278 /* silly partition size? */
279 if (mountlist->el[pos].size < 8192
280 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
281 sprintf(tmp, " %s is tiny!", device);
282 log_it(tmp);
[2209]283 mr_strcat(flaws_str, "%s", tmp);
[128]284 res++;
285 }
286 /* mountpoint should begin with / unless it is swap, lvm or raid */
287 if (strcmp(mountlist->el[pos].mountpoint, "swap")
288 && strcmp(mountlist->el[pos].mountpoint, "lvm")
289 && strcmp(mountlist->el[pos].mountpoint, "raid")
290 && strcmp(mountlist->el[pos].mountpoint, "image")
291 && strcmp(mountlist->el[pos].mountpoint, "none")
292 && mountlist->el[pos].mountpoint[0] != '/') {
293 sprintf(tmp, " %s has a weird mountpoint.", device);
294 log_it(tmp);
[2209]295 mr_strcat(flaws_str, "%s", tmp);
[128]296 res++;
297 }
298 /* is format sensible? */
299 if (!is_this_a_valid_disk_format
300 (mountlist->el[pos].format)) {
[279]301 sprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[128]302 log_it(tmp);
[2209]303 mr_strcat(flaws_str, "%s", tmp);
[128]304 res++;
305 }
[2125]306 amount_allocated += mountlist->el[pos].size / 1024L;
[128]307 prev_sp_no = cur_sp_no;
308 }
309 }
310
311 /* OK, continue with main loop */
[2125]312 amount_allocated += mountlist->el[pos].size / 1024L;
[128]313 prev_part_no = curr_part_no;
314 }
315
316 /* Over-allocated the disk? Unallocated space on disk? */
317 if (amount_allocated > physical_drive_size) // Used to be +1, but what if you're 1 MB too high?
318 {
319 sprintf(tmp, " %ld MB over-allocated on %s.",
320 amount_allocated - physical_drive_size, drive);
321 log_it(tmp);
[2209]322 mr_strcat(flaws_str, "%s", tmp);
[128]323 res++;
324 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
325 sprintf(tmp, " %ld MB unallocated on %s.",
326 physical_drive_size - amount_allocated, drive);
[1236]327 log_it(tmp);
[2209]328 mr_strcat(flaws_str, "%s", tmp);
[128]329 }
330 if (res) {
[2209]331 return (NULL);
[128]332 } else {
[2209]333 return (flaws_str);
[128]334 }
[1]335}
336
337#else
338// Linux-specific version of evaluate_drive_within_mountlist()
339{
340
[128]341 /*@ int ************************************************************* */
342 int prev_part_no = 0;
[1]343 int curr_part_no = 0;
344 int pos = 0;
345 int res = 0;
346 int mountpoint_copies = 0;
347 int device_copies = 0;
348 int i = 0;
349
[128]350 /*@ buffers ******************************************************** */
351 char *tmp;
[1]352 char *device;
[2209]353 char *flaws_str = NULL;
[1]354
[128]355 /*@ long *********************************************************** */
[1295]356 long physical_drive_size = 0L;
357 long amount_allocated = 0L;
[1]358
[128]359 /*@ pointers ******************************************************* */
[2204]360 char *part_table_fmt = NULL;
[1]361
[128]362 /*@ initialize ***************************************************** */
363 assert_string_is_neither_NULL_nor_zerolength(drive);
364 assert(mountlist != NULL);
[2211]365 mr_asprintf(&flaws_str, "%s", "");
[1]366
[128]367 malloc_string(tmp);
368 malloc_string(device);
369 prev_part_no = 0;
370 tmp[0] = '\0';
[1]371
372
[128]373 physical_drive_size = get_phys_size_of_drive(drive);
[1]374
[128]375 if (physical_drive_size < 0) {
376 sprintf(tmp, " %s does not exist.", drive);
[2209]377 mr_strcat(flaws_str, "%s", tmp);
[128]378 res++;
379 log_msg(1, tmp);
380 goto endoffunc;
381 } else {
382 sprintf(tmp, "%s is %ld MB", drive, physical_drive_size);
383 log_it(tmp);
384 }
[1]385
[128]386 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
[1298]387 build_partition_name(device, drive, curr_part_no);
[128]388 pos = find_device_in_mountlist(mountlist, device);
389 if (pos < 0) {
390 continue;
391 }
392 /* gap in the partition list? */
393 if (curr_part_no - prev_part_no > 1) {
394 if (prev_part_no == 0) {
395 sprintf(tmp, " Gap prior to %s.", device);
396 log_it(tmp);
[2209]397 mr_strcat(flaws_str, "%s", tmp);
[128]398 res++;
399 } else if (curr_part_no > 5
400 || (curr_part_no <= 4 && prev_part_no > 0)) {
[1303]401 sprintf(tmp, " Gap on %s between %d and %d.", drive,
[128]402 prev_part_no, curr_part_no);
403 log_it(tmp);
[2209]404 mr_strcat(flaws_str, "%s", tmp);
[128]405 res++;
406 }
407 }
408 /* GPT allows more than 4 primary partitions */
409 part_table_fmt = which_partition_format(drive);
410 /* no spare primary partitions to help accommodate the logical(s)? */
411 if ((curr_part_no >= 5 && prev_part_no == 4)
412 && (strcmp(part_table_fmt, "MBR") == 0)) {
[1303]413 sprintf(tmp, " Partition 4 of %s is occupied.", drive);
[128]414 log_it(tmp);
[2209]415 mr_strcat(flaws_str, "%s", tmp);
[128]416 res++;
417 }
418 /* does partition /dev/hdNX exist more than once in the mountlist? */
419 for (i = 0, mountpoint_copies = 0, device_copies = 0;
420 i < mountlist->entries; i++) {
421 if (!strcmp(device, mountlist->el[i].device)) {
422 device_copies++;
423 }
424 }
425 if (device_copies > 1) {
426 sprintf(tmp, " %s %s's.", number_to_text(device_copies),
427 device);
428 if (!strstr(flaws_str, tmp)) {
429 log_it(tmp);
[2209]430 mr_strcat(flaws_str, "%s", tmp);
[128]431 res++;
432 }
433 }
434 /* silly partition size? */
435 if (mountlist->el[pos].size < 8192
436 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
437 sprintf(tmp, " %s is tiny!", device);
438 log_it(tmp);
[2209]439 mr_strcat(flaws_str, "%s", tmp);
[128]440 res++;
441 }
442 /* mountpoint should begin with / unless it is swap, lvm or raid */
443 if (strcmp(mountlist->el[pos].mountpoint, "swap")
444 && strcmp(mountlist->el[pos].mountpoint, "lvm")
445 && strcmp(mountlist->el[pos].mountpoint, "raid")
446 && strcmp(mountlist->el[pos].mountpoint, "image")
447 && mountlist->el[pos].mountpoint[0] != '/') {
448 sprintf(tmp, " %s has a weird mountpoint.", device);
449 log_it(tmp);
[2209]450 mr_strcat(flaws_str, "%s", tmp);
[128]451 res++;
452 }
453 /* is format sensible? */
454 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
[279]455 sprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[128]456 log_it(tmp);
[2209]457 mr_strcat(flaws_str, "%s", tmp);
[128]458 res++;
459 }
460 /* OK, continue with main loop */
[2125]461 amount_allocated += mountlist->el[pos].size / 1024L;
[128]462 prev_part_no = curr_part_no;
[1]463 }
[128]464
465 /* Over-allocated the disk? Unallocated space on disk? */
466 if (amount_allocated > physical_drive_size + 1) {
467 sprintf(tmp, " %ld MB over-allocated on %s.",
468 amount_allocated - physical_drive_size, drive);
469 log_it(tmp);
[2209]470 mr_strcat(flaws_str, "%s", tmp);
[128]471 res++;
472 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
473 sprintf(tmp, " %ld MB unallocated on %s.",
474 physical_drive_size - amount_allocated, drive);
[1236]475 log_it(tmp);
[2209]476 mr_strcat(flaws_str, "%s", tmp);
[1]477 }
478
[128]479 endoffunc:
480 paranoid_free(tmp);
481 paranoid_free(device);
[1]482
[128]483 if (res) {
[2209]484 return (NULL);
[128]485 } else {
[2209]486 return (flaws_str);
[128]487 }
[1]488}
489#endif
490
491
492/**
493 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
494 * for each drive, and then spreads the flaws across three lines.
495 * @param mountlist The mountlist to evaluate.
496 * @param flaws_str_A Where to put the first line listing errors found.
497 * @param flaws_str_B Where to put the second line listing errors found.
498 * @param flaws_str_C Where to put the third line listing errors found.
499 * @return The number of flaws found (0 for success).
500 * @see evaluate_drive_within_mountlist
501 */
502int
[128]503evaluate_mountlist(struct mountlist_itself *mountlist, char *flaws_str_A,
504 char *flaws_str_B, char *flaws_str_C)
[1]505{
506
[128]507 /*@ buffer *********************************************************** */
508 struct list_of_disks *drivelist;
[2202]509 char *tmp = NULL;
510 char *flaws_str = NULL;
[1]511
[128]512 /*@ int ************************************************************** */
[1]513 int i = 0;
514 int res = 0;
515
[128]516 /*@ initialize ******************************************************* */
[1]517
[128]518 drivelist = malloc(sizeof(struct list_of_disks));
519 assert(mountlist != NULL);
520 assert(flaws_str_A != NULL);
521 assert(flaws_str_B != NULL);
522 assert(flaws_str_C != NULL);
[1]523
[2211]524 mr_asprintf(&flaws_str, "%s", "");
[2209]525
[128]526 make_list_of_drives_in_mountlist(mountlist, drivelist);
[1]527
[128]528 log_it("Evaluating mountlist...");
[1]529
[128]530 for (i = 0; i < drivelist->entries; i++) {
531 if (strstr
532 (drivelist->el[i].device,
533 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
[2211]534 mr_asprintf(&tmp, " Not evaluating %s (I don't know how yet)",
[128]535 drivelist->el[i].device);
536 log_it(tmp);
[2207]537 paranoid_free(tmp);
[128]538 } else {
[2207]539 if ((tmp = evaluate_drive_within_mountlist(mountlist, drivelist->el[i].device)) == NULL) {
[128]540 res++;
541 }
542 }
[2207]543 log_msg(8,"Entry: %d (%s)", i, drivelist->el[i].device);
[2219]544 /* BCO: tmp can be NULL as well as flaws_str */
545 if (tmp != NULL) {
546 log_msg(8,"Adding: %s to %s", tmp, flaws_str);
547 mr_strcat(flaws_str, "%s", tmp);
548 paranoid_free(tmp);
549 }
[1]550 }
[128]551 res += look_for_duplicate_mountpoints(mountlist, flaws_str);
[2209]552 res = spread_flaws_across_three_lines(flaws_str, flaws_str_A, flaws_str_B, flaws_str_C,res);
553 paranoid_free(flaws_str);
554 return(res);
[1]555}
556
557
558/**
559 * Find the index number of @p device in the mountlist.
560 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
561 * @param mountlist The mountlist to search in.
562 * @param device The device to search for.
563 * @return The zero-based index of the device, or -1 if it could not be found.
564 */
565int
[128]566find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
[1]567{
568
[128]569 /*@ int ************************************************************** */
570 int i = 0;
[1]571
[128]572 assert(mountlist != NULL);
573 assert_string_is_neither_NULL_nor_zerolength(device);
574 for (i = 0;
575 i < mountlist->entries
576 && strcmp(mountlist->el[i].device, device) != 0; i++);
577
578 if (i == mountlist->entries) {
579 return (-1);
580 } else {
581 return (i);
582 }
[1]583}
584
585
586/**
587 * Look for duplicate mountpoints in @p mountlist.
588 * @param mountlist The mountlist to check.
589 * @param flaws_str The flaws string to append the results to.
590 * @return The number of mountpoints that have duplicates, or 0 for success.
591 */
592int
[2209]593look_for_duplicate_mountpoints(struct mountlist_itself *mountlist, char *flaws_str)
[1]594{
595
[128]596 /*@ int ************************************************************* */
597 int res = 0;
[1]598 int currline = 0;
599 int i = 0;
600 int copies = 0;
601 int last_copy = 0;
602
[128]603 /*@ buffetr ********************************************************* */
[2204]604 char *curr_mountpoint = NULL;
605 char *tmp = NULL;
[1]606
[128]607 assert(mountlist != NULL);
608 assert(flaws_str != NULL);
[2204]609
[128]610 for (currline = 0; currline < mountlist->entries; currline++) {
[2211]611 mr_asprintf(&curr_mountpoint, "%s", mountlist->el[currline].mountpoint);
[128]612 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries;
613 i++) {
614 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
615 && strcmp(mountlist->el[i].mountpoint, "lvm")
616 && strcmp(mountlist->el[i].mountpoint, "swap")) {
617 last_copy = i;
618 copies++;
619 }
620 }
621 if (copies > 1 && last_copy == currline
622 && strcmp(curr_mountpoint, "raid")) {
[2211]623 mr_asprintf(&tmp, " %s %s's.", number_to_text(copies),
[128]624 curr_mountpoint);
[2209]625 mr_strcat(flaws_str, "%s", tmp);
[128]626 log_it(tmp);
[2204]627 paranoid_free(tmp);
[128]628 res++;
629 }
[2204]630 paranoid_free(curr_mountpoint);
[1]631 }
[128]632 return (res);
[1]633}
634
635
636/**
637 * Make a list of the drives mentioned in the mountlist.
638 * @param mountlist The mountlist to examine.
639 * @param drivelist Where to put the list of drives found.
640 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
641 */
642int
[128]643make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
644 struct list_of_disks *drivelist)
[1]645{
646
[128]647 /*@ int ************************************************************* */
648 int lino;
649 int noof_drives;
650 int j;
[1]651
[128]652 /*@ buffers ********************************************************* */
[2204]653 char *drive = NULL;
[2230]654 char *truncdrive = NULL;
[1]655
[128]656 long long size;
[1]657
[128]658 assert(mountlist != NULL);
659 assert(drivelist != NULL);
660 log_it("Making list of drives");
661 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
[1]662
[2211]663 mr_asprintf(&drive, "%s", mountlist->el[lino].device);
[128]664 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
[2205]665 log_msg(8, "Not putting %s in list of drives: it's a virtual drive", drive);
666 paranoid_free(drive);
[128]667 continue;
668 }
[1]669
[128]670 size = mountlist->el[lino].size;
671 if (size == 0) {
[2205]672 log_msg(8, "Not putting %s in list of drives: it has zero size (maybe an LVM volume)", drive);
673 paranoid_free(drive);
[128]674 continue;
675 }
676
[2205]677 log_msg(8, "Putting %s with size %lli in list of drives", drive, size);
[1]678
[2230]679 truncdrive = truncate_to_drive_name(drive);
680 log_msg(8, "drive truncated to %s", truncdrive);
[2206]681
[128]682 for (j = 0;
683 j < noof_drives
[2230]684 && strcmp(drivelist->el[j].device, truncdrive) != 0; j++) {
[128]685 continue;
[2205]686 }
[128]687 if (j == noof_drives) {
[2230]688 strcpy(drivelist->el[noof_drives++].device, truncdrive);
[2232]689 drivelist->el[noof_drives++].device[63] = '\0';
[128]690 }
[2205]691 paranoid_free(drive);
[2230]692 paranoid_free(truncdrive);
[1]693 }
[128]694 drivelist->entries = noof_drives;
695 log_msg(8, "Made list of drives");
[1]696
[128]697 return (noof_drives);
[1]698}
699
700
701/**
702 * Make a list of RAID partitions not currently associated with any RAID device.
703 * The user may add any of these partitions to the RAID device.
704 * @param output_list Where to put the list of unallocated RAID partitions.
705 * @param mountlist The mountlist to examine.
706 * @param raidlist The raidlist to examine.
707 */
[128]708void make_list_of_unallocated_raid_partitions(struct mountlist_itself
709 *output_list,
710 struct mountlist_itself
711 *mountlist,
712 struct raidlist_itself
713 *raidlist)
[1]714{
715
[128]716 /*@ int ************************************************************* */
717 int items = 0;
[1]718 int i = 0;
719 int used_by = 0;
720
[128]721 /*@ buffers ********************************************************* */
[2204]722 char *tmp = NULL;
[1]723
[128]724 assert(output_list != NULL);
725 assert(mountlist != NULL);
726 assert(raidlist != NULL);
727 log_it("MLOURP -- starting");
728 items = 0;
[1]729
730
[128]731 for (i = 0; i < mountlist->entries; i++) {
732 if (strstr(mountlist->el[i].mountpoint, "raid")) {
733 used_by =
734 which_raid_device_is_using_this_partition(raidlist,
735 mountlist->el[i].
736 device);
737 if (used_by < 0) {
738 memcpy((void *) &output_list->el[items++],
739 (void *) &mountlist->el[i],
740 sizeof(struct mountlist_line));
[2211]741 mr_asprintf(&tmp,
[2204]742 "%s is available; user may choose to add it to raid device",
743 output_list->el[items - 1].device);
[128]744 log_it(tmp);
[2204]745 paranoid_free(tmp);
[128]746 }
747 }
[1]748 }
[128]749 output_list->entries = items;
750 log_it("MLUORP -- ending");
[1]751}
752
753
754/**
755 * Get the size of a mountlist entry by the @c device field.
756 * @param mountlist The mountlist to search in.
757 * @param device The device to search for
758 * @return The size of the device (in KB), or -1 if it could not be found.
759 */
760long long
[128]761size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
762 char *device)
[1]763{
[128]764 /*@ int ************************************************************** */
765 int i = 0;
[1]766
767
[128]768 assert(mountlist != NULL);
769 assert_string_is_neither_NULL_nor_zerolength(device);
[1]770
[128]771 for (i = 0;
772 i < mountlist->entries && strcmp(mountlist->el[i].device, device);
773 i++);
774 if (i == mountlist->entries) {
775 return (-1);
776 } else {
777 return (mountlist->el[i].size);
778 }
[1]779}
780
781
782/**
783 * Load a file on disk into @p mountlist.
784 * The file on disk should consist of multiple lines, each containing 4 or 5
785 * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
786 * Comments begin with a '#' without any leading whitespace. Any duplicate
787 * entries are renamed.
788 * @param mountlist The mountlist to load into.
789 * @param fname The name of the file to load the mountlist from.
790 * @return 0 for success, 1 for failure.
791 */
[128]792int load_mountlist(struct mountlist_itself *mountlist, char *fname)
[1]793{
[2204]794 FILE *fin = NULL;
[128]795 /* malloc ** */
[2204]796 char *incoming = NULL;
797 char *siz = NULL;
798 char *tmp = NULL;
799 char *p = NULL;
[1]800
[2204]801 int items = 0;
802 int j = 0;
803 int res = 0;
[1]804
[128]805 assert(mountlist != NULL);
806 assert_string_is_neither_NULL_nor_zerolength(fname);
[2204]807
[128]808 if (!(fin = fopen(fname, "r"))) {
809 log_it("Unable to open mountlist - '%s'", fname);
[541]810 log_to_screen("Cannot open mountlist");
[128]811 return (1);
812 }
[2204]813 malloc_string(incoming);
814 malloc_string(siz);
[128]815 (void) fgets(incoming, MAX_STR_LEN - 1, fin);
816 log_it("Loading mountlist...");
817 while (!feof(fin)) {
[1]818#if linux
[2204]819 res = sscanf(incoming,
[1909]820 "%s %s %s %s %s",
[128]821 mountlist->el[items].device,
822 mountlist->el[items].mountpoint,
823 mountlist->el[items].format,
[1899]824 siz, mountlist->el[items].label);
[2204]825 if (res < 5) {
826 /* no label found */
[2206]827 log_msg(4, "no label found for %s",mountlist->el[items].device);
828 strcpy(mountlist->el[items].label,"");
[2204]829 }
[1]830#elif __FreeBSD__
[2204]831 res = sscanf(incoming,
[128]832 "%s %s %s %s",
833 mountlist->el[items].device,
834 mountlist->el[items].mountpoint,
835 mountlist->el[items].format, siz);
[2206]836 strcpy(mountlist->el[items].label,"");
[1]837#endif
838
[128]839 if (!strcmp(mountlist->el[items].device, "/proc") ||
840 !strcmp(mountlist->el[items].device, "proc") ||
841 !strcmp(mountlist->el[items].device, "/sys") ||
842 !strcmp(mountlist->el[items].device, "sys") ||
843 !strcmp(mountlist->el[items].device, "/devpts") ||
844 !strcmp(mountlist->el[items].device, "devpts")
845 ) {
846 log_msg(1,
847 "Ignoring %s in mountlist - not loading that line :) ",
848 mountlist->el[items].device);
849 (void) fgets(incoming, MAX_STR_LEN - 1, fin);
850 continue;
851 }
852 mountlist->el[items].size = atoll(siz);
853 if (mountlist->el[items].device[0] != '\0'
854 && mountlist->el[items].device[0] != '#') {
855 for (j = 0;
856 j < items
857 && strcmp(mountlist->el[j].device,
858 mountlist->el[items].device); j++);
859 if (j < items) {
860 strcat(mountlist->el[items].device, "_dup");
[2211]861 mr_asprintf(&tmp,
[2204]862 "Duplicate entry in mountlist - renaming to %s",
863 mountlist->el[items].device);
[128]864 log_it(tmp);
[2204]865 paranoid_free(tmp);
[128]866 }
[2211]867 mr_asprintf(&tmp, "%s", mountlist->el[items].device);
[128]868 if (strstr(tmp, "/dev/md/")) {
869 log_it("format_device() --- Contracting %s", tmp);
870 p = strrchr(tmp, '/');
871 if (p) {
872 *p = *(p + 1);
873 *(p + 1) = *(p + 2);
874 *(p + 2) = *(p + 3);
875 }
876 log_it("It was %s; it is now %s",
877 mountlist->el[items].device, tmp);
878 strcpy(mountlist->el[items].device, tmp);
879 }
[2204]880 paranoid_free(tmp);
[1]881
[2204]882 log_it("%s %s %s %lld %s",
883 mountlist->el[items].device,
884 mountlist->el[items].mountpoint,
885 mountlist->el[items].format,
886 mountlist->el[items].size,
887 mountlist->el[items].label);
[128]888 items++;
[2206]889 if (items >= MAX_MOUNTLIST_ENTRIES) {
890 log_to_screen("Too many lines in mountlist.. ABORTING");
891 finish(1);
892 }
[128]893 }
894 (void) fgets(incoming, MAX_STR_LEN - 1, fin);
[1]895 }
[128]896 paranoid_fclose(fin);
897 mountlist->entries = items;
[1]898
[128]899 log_it("Mountlist loaded successfully.");
[2204]900 log_it("%d entries in mountlist", items);
901
[128]902 paranoid_free(incoming);
903 paranoid_free(siz);
904 return (0);
[1]905}
906
907
908
909/**
910 * Save @p mountlist to a file on disk.
911 * @param mountlist The mountlist to save.
912 * @param fname The file to save it to.
913 * @return 0 for success, 1 for failure.
914 * @see load_mountlist
915 */
[128]916int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
[1]917{
[128]918 FILE *fout;
919 int i;
[1]920
[128]921 assert(mountlist != NULL);
922 assert_string_is_neither_NULL_nor_zerolength(fname);
[1]923
[128]924 log_it("save_mountlist_to_disk() --- saving to %s", fname);
925 if (!(fout = fopen(fname, "w"))) {
926 log_OS_error("WMTD - Cannot openout mountlist");
927 return (1);
928 }
929 for (i = 0; i < mountlist->entries; i++) {
930 fprintf(fout,
[1909]931 "%-15s %-15s %-15s %-15lld %-15s\n",
[128]932 mountlist->el[i].device, mountlist->el[i].mountpoint,
933 mountlist->el[i].format, mountlist->el[i].size,
[1899]934 mountlist->el[i].label);
[128]935 }
936 paranoid_fclose(fout);
937 return (0);
[1]938}
939
940
941/**
942 * Sort the mountlist alphabetically by device.
943 * The sorting is done in-place.
944 * @param mountlist The mountlist to sort.
945 */
[128]946void sort_mountlist_by_device(struct mountlist_itself *mountlist)
[1]947{
[128]948 int diff;
949 int lino = -999;
[1]950
[128]951 assert(mountlist != NULL);
[1]952
[128]953 while (lino < mountlist->entries) {
954 for (lino = 1; lino < mountlist->entries; lino++) {
955 diff =
956 strcmp_inc_numbers(mountlist->el[lino - 1].device,
957 mountlist->el[lino].device);
958 if (diff > 0) {
959 swap_mountlist_entries(mountlist, lino - 1, lino);
960 break;
961 }
962 }
[1]963 }
964}
965
[2204]966
[1]967/**
968 * Sort the mountlist alphabetically by mountpoint.
969 * The sorting is done in-place.
970 * @param mountlist The mountlist to sort.
971 * @param reverse If TRUE, then do a reverse sort.
972 */
[128]973void
974sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
975 bool reverse)
[1]976{
[128]977 int diff;
978 int lino = -999;
[1]979
[128]980 assert(mountlist != NULL);
[1]981
[128]982 while (lino < mountlist->entries) {
983 for (lino = 1; lino < mountlist->entries; lino++) {
984 diff =
985 strcmp(mountlist->el[lino - 1].mountpoint,
986 mountlist->el[lino].mountpoint);
987 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
988 swap_mountlist_entries(mountlist, lino - 1, lino);
989 break;
990 }
991 }
[1]992 }
993}
994
995
996/**
997 * Swap two entries in the mountlist in-place.
998 * @param mountlist The mountlist to swap the entries in.
999 * @param a The index number of the first entry.
1000 * @param b The index number of the second entry.
1001 */
[128]1002void
[1]1003swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
1004{
[128]1005 /*@ mallocs *** */
[2204]1006 char *device = NULL;
1007 char *mountpoint = NULL;
1008 char *format = NULL;
[1]1009
[128]1010 long long size;
[1]1011
[128]1012 assert(mountlist != NULL);
1013 assert(a >= 0);
1014 assert(b >= 0);
[1]1015
[2211]1016 mr_asprintf(&device, "%s", mountlist->el[a].device);
1017 mr_asprintf(&mountpoint, "%s", mountlist->el[a].mountpoint);
1018 mr_asprintf(&format, "%s", mountlist->el[a].format);
[1]1019
[128]1020 size = mountlist->el[a].size;
[1]1021
[128]1022 strcpy(mountlist->el[a].device, mountlist->el[b].device);
1023 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
1024 strcpy(mountlist->el[a].format, mountlist->el[b].format);
[1]1025
[128]1026 mountlist->el[a].size = mountlist->el[b].size;
[1]1027
[128]1028 strcpy(mountlist->el[b].device, device);
1029 strcpy(mountlist->el[b].mountpoint, mountpoint);
1030 strcpy(mountlist->el[b].format, format);
[1]1031
[128]1032 mountlist->el[b].size = size;
[2204]1033 paranoid_free(device);
1034 paranoid_free(mountpoint);
1035 paranoid_free(format);
[1]1036}
1037
1038/* @} - end of mountlistGroup */
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