source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-mountlist.c@ 2643

Last change on this file since 2643 was 2517, checked in by Bruno Cornec, 14 years ago
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[2052]1/* subroutines for handling mountlist
[128]2 $Id: libmondo-mountlist.c 2517 2010-01-04 18:38:47Z 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 2517 2010-01-04 18:38:47Z 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 ******************************************************** */
[2261]60 char tmp = NULL;
[2316]61 char *device = NULL;
[1]62
[2209]63 char *flaws_str = NULL;
64
[128]65 /*@ long *********************************************************** */
66 long physical_drive_size = 0;
[1]67 long amount_allocated = 0;
68
[128]69 /*@ pointers ******************************************************* */
[1]70 char *part_table_fmt;
71
[128]72 /*@ initialize ***************************************************** */
73 prev_part_no = 0;
[2323]74 mr_asprintf(flaws_str, "%s", "");
[1]75
76
[128]77 physical_drive_size = get_phys_size_of_drive(drive);
[1]78
[128]79 if (physical_drive_size < 0) {
[2323]80 mr_asprintf(tmp, " %s does not exist.", drive);
[2209]81 mr_strcat(flaws_str, "%s", tmp);
[128]82 } else {
[2323]83 mr_asprintf(tmp, "%s is %ld MB", drive, physical_drive_size);
[128]84 }
85 log_it(tmp);
[2261]86 mr_free(tmp);
[1]87
88
[128]89 /* check DD */
90 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
[2323]91 mr_asprintf(device, "%s%c", drive, cur_sp_no);
[2316]92 if (find_device_in_mountlist(mountlist, device) >= 0) {
[128]93 foundsome = TRUE;
[2316]94 }
95 mr_free(device);
[128]96 }
97 if (foundsome) {
98 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
[2323]99 mr_asprintf(device, "%s%c", drive, cur_sp_no);
[128]100 pos = find_device_in_mountlist(mountlist, device);
101 if (pos < 0) {
[2316]102 mr_free(device);
[128]103 continue;
104 }
105 /* is it too big? */
106 if (curr_part_no > 'h') {
[2323]107 mr_asprintf(tmp, " Can only have up to 'h' in disklabel.");
[128]108 log_it(tmp);
[2207]109 mr_strcat(flaws_str, tmp);
[2261]110 mr_free(tmp);
[128]111 res++;
112 }
113 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
114 for (i = 0, mountpoint_copies = 0, device_copies = 0;
115 i < mountlist->entries; i++) {
116 if (!strcmp(device, mountlist->el[i].device)) {
117 device_copies++;
118 }
119 }
120 if (device_copies > 1) {
[2323]121 mr_asprintf(tmp, " %s %s's.", number_to_text(device_copies), device);
[128]122 if (!strstr(flaws_str, tmp)) {
123 log_it(tmp);
[2207]124 mr_strcat(flaws_str, tmp);
[128]125 res++;
126 }
[2261]127 mr_free(tmp);
[128]128 }
129 /* silly partition size? */
130 if (mountlist->el[pos].size < 8192
131 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
[2323]132 mr_asprintf(tmp, " %s is tiny!", device);
[128]133 log_it(tmp);
[2207]134 mr_strcat(flaws_str, tmp);
[2261]135 mr_free(tmp);
[128]136 res++;
137 }
138 /* mountpoint should begin with / unless it is swap, lvm or raid */
139 if (strcmp(mountlist->el[pos].mountpoint, "swap")
140 && strcmp(mountlist->el[pos].mountpoint, "lvm")
141 && strcmp(mountlist->el[pos].mountpoint, "raid")
142 && strcmp(mountlist->el[pos].mountpoint, "image")
143 && strcmp(mountlist->el[pos].mountpoint, "none")
144 && mountlist->el[pos].mountpoint[0] != '/') {
[2323]145 mr_asprintf(tmp, " %s has a weird mountpoint.", device);
[128]146 log_it(tmp);
[2207]147 mr_strcat(flaws_str, tmp);
[2261]148 mr_free(tmp);
[128]149 res++;
150 }
151 /* is format sensible? */
152 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
[2323]153 mr_asprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[128]154 log_it(tmp);
[2207]155 mr_strcat(flaws_str, tmp);
[2261]156 mr_free(tmp);
[128]157 res++;
158 }
[2316]159 mr_free(device);
160
[2125]161 amount_allocated += mountlist->el[pos].size / 1024L;
[128]162 prev_sp_no = cur_sp_no;
163 }
164 }
[1]165
[128]166 npos = pos = 0;
167 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
[2316]168 device = build_partition_name(drive, curr_part_no);
[128]169 pos = find_device_in_mountlist(mountlist, device);
170 npos = 0;
171 for (cur_sp_no = 'a'; cur_sp_no <= 'h'; cur_sp_no++) {
[2323]172 mr_asprintf(tmp, "%ss%i%c", device, curr_part_no, cur_sp_no);
[2316]173 if (find_device_in_mountlist(mountlist, tmp) >= 0) {
[128]174 npos++;
[2316]175 }
176 mr_free(tmp);
[128]177 }
[2316]178 mr_free(device);
179
[128]180 if (((pos >= 0) || npos) && foundsome) {
[2207]181 mr_strcat(flaws_str, " %s has both DD and PC-style partitions.", drive);
[2209]182 return(flaws_str); // fatal error
[128]183 }
184
[2316]185 device = build_partition_name(drive, curr_part_no);
[128]186 if (pos > 0 && !npos) {
187 /* gap in the partition list? */
188 if (curr_part_no - prev_part_no > 1) {
189 if (prev_part_no == 0) {
[2323]190 mr_asprintf(tmp, " Gap prior to %s.", device);
[128]191 log_it(tmp);
[2209]192 mr_strcat(flaws_str, "%s", tmp);
[2261]193 mr_free(tmp);
[128]194 res++;
195 } else if (curr_part_no > 5
196 || (curr_part_no <= 4 && prev_part_no > 0)) {
[2323]197 mr_asprintf(tmp, " Gap between %ss%d and %d.", drive, prev_part_no, curr_part_no);
[128]198 log_it(tmp);
[2209]199 mr_strcat(flaws_str, "%s", tmp);
[2261]200 mr_free(tmp);
[128]201 res++;
202 }
203 }
204 /* GPT allows more than 4 primary partitions */
205 part_table_fmt = which_partition_format(drive);
206 /* no spare primary partitions to help accommodate the logical(s)? */
207 if ((curr_part_no >= 5 && prev_part_no == 4)
208 && (strcmp(part_table_fmt, "MBR") == 0)) {
[2323]209 mr_asprintf(tmp, " Partition %ss4 is occupied.", drive);
[128]210 log_it(tmp);
[2209]211 mr_strcat(flaws_str, "%s", tmp);
[2261]212 mr_free(tmp);
[128]213 res++;
214 }
215 /* does partition /dev/adXsY exist more than once in the mountlist? */
216 for (i = 0, mountpoint_copies = 0, device_copies = 0;
217 i < mountlist->entries; i++) {
218 if (!strcmp(device, mountlist->el[i].device)) {
219 device_copies++;
220 }
221 }
222 if (device_copies > 1) {
[2323]223 mr_asprintf(tmp, " %s %s's.", number_to_text(device_copies), device);
[2209]224 if (!strstr(flaws_str, "%s", tmp)) {
[128]225 log_it(tmp);
[2209]226 mr_strcat(flaws_str, "%s", tmp);
[128]227 res++;
228 }
[2261]229 mr_free(tmp);
[128]230 }
231 /* silly partition size? */
232 if (mountlist->el[pos].size < 8192
233 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
[2323]234 mr_asprintf(tmp, " %s is tiny!", device);
[128]235 log_it(tmp);
[2209]236 mr_strcat(flaws_str, "%s", tmp);
[2261]237 mr_free(tmp);
[128]238 res++;
239 }
240 /* mountpoint should begin with / unless it is swap, lvm or raid */
241 if (strcmp(mountlist->el[pos].mountpoint, "swap")
242 && strcmp(mountlist->el[pos].mountpoint, "lvm")
243 && strcmp(mountlist->el[pos].mountpoint, "raid")
244 && strcmp(mountlist->el[pos].mountpoint, "image")
245 && strcmp(mountlist->el[pos].mountpoint, "none")
246 && mountlist->el[pos].mountpoint[0] != '/') {
[2323]247 mr_asprintf(tmp, " %s has a weird mountpoint.", device);
[128]248 log_it(tmp);
[2209]249 mr_strcat(flaws_str, "%s", tmp);
[2261]250 mr_free(tmp);
[128]251 res++;
252 }
253 /* is format sensible? */
254 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
[2323]255 mr_asprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[128]256 log_it(tmp);
[2209]257 mr_strcat(flaws_str, "%s", tmp);
[2261]258 mr_free(tmp);
[128]259 res++;
260 }
261 } else {
262 /* Check subpartitions */
263 for (cur_sp_no = 'a'; cur_sp_no < 'z'; ++cur_sp_no) {
[2316]264 mr_free(device);
265 mr_asprintf(device, "%ss%d%c", drive, curr_part_no, cur_sp_no);
[128]266 pos = find_device_in_mountlist(mountlist, device);
267 if (pos < 0) {
268 continue;
269 }
270 /* is it too big? */
271 if (curr_part_no > 'h') {
[2323]272 mr_asprintf(tmp, " Can only have up to 'h' in disklabel.");
[128]273 log_it(tmp);
[2209]274 mr_strcat(flaws_str, "%s", tmp);
[2261]275 mr_free(tmp);
[128]276 res++;
277 }
278 /* does partition /dev/adXsYZ exist more than once in the mountlist? */
279 for (i = 0, mountpoint_copies = 0, device_copies = 0;
280 i < mountlist->entries; i++) {
281 if (!strcmp(device, mountlist->el[i].device)) {
282 device_copies++;
283 }
284 }
285 if (device_copies > 1) {
[2323]286 mr_asprintf(tmp, " %s %s's.", number_to_text(device_copies), device);
[128]287 if (!strstr(flaws_str, tmp)) {
288 log_it(tmp);
[2209]289 mr_strcat(flaws_str, "%s", tmp);
[128]290 res++;
291 }
[2261]292 mr_free(tmp);
[128]293 }
294 /* silly partition size? */
295 if (mountlist->el[pos].size < 8192
296 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
[2323]297 mr_asprintf(tmp, " %s is tiny!", device);
[128]298 log_it(tmp);
[2209]299 mr_strcat(flaws_str, "%s", tmp);
[2261]300 mr_free(tmp);
[128]301 res++;
302 }
303 /* mountpoint should begin with / unless it is swap, lvm or raid */
304 if (strcmp(mountlist->el[pos].mountpoint, "swap")
305 && strcmp(mountlist->el[pos].mountpoint, "lvm")
306 && strcmp(mountlist->el[pos].mountpoint, "raid")
307 && strcmp(mountlist->el[pos].mountpoint, "image")
308 && strcmp(mountlist->el[pos].mountpoint, "none")
309 && mountlist->el[pos].mountpoint[0] != '/') {
[2323]310 mr_asprintf(tmp, " %s has a weird mountpoint.", device);
[128]311 log_it(tmp);
[2209]312 mr_strcat(flaws_str, "%s", tmp);
[2261]313 mr_free(tmp);
[128]314 res++;
315 }
316 /* is format sensible? */
317 if (!is_this_a_valid_disk_format
318 (mountlist->el[pos].format)) {
[2323]319 mr_asprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[128]320 log_it(tmp);
[2209]321 mr_strcat(flaws_str, "%s", tmp);
[2261]322 mr_free(tmp);
[128]323 res++;
324 }
[2125]325 amount_allocated += mountlist->el[pos].size / 1024L;
[128]326 prev_sp_no = cur_sp_no;
327 }
328 }
[2316]329 mr_free(device);
[128]330
331 /* OK, continue with main loop */
[2125]332 amount_allocated += mountlist->el[pos].size / 1024L;
[128]333 prev_part_no = curr_part_no;
334 }
335
336 /* Over-allocated the disk? Unallocated space on disk? */
337 if (amount_allocated > physical_drive_size) // Used to be +1, but what if you're 1 MB too high?
338 {
[2324]339 mr_asprintf(tmp, " %ld MB over-allocated on %s.", amount_allocated - physical_drive_size, drive);
[128]340 log_it(tmp);
[2209]341 mr_strcat(flaws_str, "%s", tmp);
[2261]342 mr_free(tmp);
[128]343 res++;
344 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
[2324]345 mr_asprintf(tmp, " %ld MB unallocated on %s.", physical_drive_size - amount_allocated, drive);
[1236]346 log_it(tmp);
[2209]347 mr_strcat(flaws_str, "%s", tmp);
[2261]348 mr_free(tmp);
[128]349 }
350 if (res) {
[2209]351 return (NULL);
[128]352 } else {
[2209]353 return (flaws_str);
[128]354 }
[1]355}
356
357#else
358// Linux-specific version of evaluate_drive_within_mountlist()
359{
360
[128]361 /*@ int ************************************************************* */
362 int prev_part_no = 0;
[1]363 int curr_part_no = 0;
364 int pos = 0;
365 int res = 0;
366 int mountpoint_copies = 0;
367 int device_copies = 0;
368 int i = 0;
369
[128]370 /*@ buffers ******************************************************** */
[2261]371 char *tmp = NULL;
372 char *device = NULL;
[2209]373 char *flaws_str = NULL;
[1]374
[128]375 /*@ long *********************************************************** */
[1295]376 long physical_drive_size = 0L;
377 long amount_allocated = 0L;
[1]378
[128]379 /*@ pointers ******************************************************* */
[2204]380 char *part_table_fmt = NULL;
[1]381
[128]382 /*@ initialize ***************************************************** */
383 assert_string_is_neither_NULL_nor_zerolength(drive);
384 assert(mountlist != NULL);
[2323]385 mr_asprintf(flaws_str, "%s", "");
[1]386
[128]387 prev_part_no = 0;
[1]388
[128]389 physical_drive_size = get_phys_size_of_drive(drive);
[1]390
[128]391 if (physical_drive_size < 0) {
[2323]392 mr_asprintf(tmp, " %s does not exist.", drive);
[2372]393 log_it(tmp);
[2209]394 mr_strcat(flaws_str, "%s", tmp);
[128]395 res++;
[2261]396 mr_free(tmp);
[2316]397 return(flaws_str);
[128]398 } else {
[2324]399 log_it("%s is %ld MB", drive, physical_drive_size);
[2517]400 mr_free(tmp);
[128]401 }
[1]402
[128]403 for (curr_part_no = 1; curr_part_no < 99; curr_part_no++) {
[2316]404 device = build_partition_name(drive, curr_part_no);
[128]405 pos = find_device_in_mountlist(mountlist, device);
406 if (pos < 0) {
407 continue;
408 }
[2382]409 log_msg(2, "Processing partition %s on %s #%d in mountlist", device, drive, pos);
[128]410 /* gap in the partition list? */
411 if (curr_part_no - prev_part_no > 1) {
412 if (prev_part_no == 0) {
[2323]413 mr_asprintf(tmp, " Gap prior to %s.", device);
[128]414 log_it(tmp);
[2209]415 mr_strcat(flaws_str, "%s", tmp);
[2261]416 mr_free(tmp);
[128]417 res++;
418 } else if (curr_part_no > 5
419 || (curr_part_no <= 4 && prev_part_no > 0)) {
[2324]420 mr_asprintf(tmp, " Gap on %s between %d and %d.", drive, prev_part_no, curr_part_no);
[128]421 log_it(tmp);
[2209]422 mr_strcat(flaws_str, "%s", tmp);
[2261]423 mr_free(tmp);
[128]424 res++;
425 }
426 }
427 /* GPT allows more than 4 primary partitions */
428 part_table_fmt = which_partition_format(drive);
429 /* no spare primary partitions to help accommodate the logical(s)? */
[2330]430 if ((curr_part_no >= 5 && prev_part_no == 4) && (strcmp(part_table_fmt, "MBR") == 0)) {
[2323]431 mr_asprintf(tmp, " Partition 4 of %s is occupied.", drive);
[128]432 log_it(tmp);
[2209]433 mr_strcat(flaws_str, "%s", tmp);
[2261]434 mr_free(tmp);
[128]435 res++;
436 }
[2330]437 mr_free(part_table_fmt);
438
[128]439 /* does partition /dev/hdNX exist more than once in the mountlist? */
440 for (i = 0, mountpoint_copies = 0, device_copies = 0;
441 i < mountlist->entries; i++) {
442 if (!strcmp(device, mountlist->el[i].device)) {
443 device_copies++;
444 }
445 }
446 if (device_copies > 1) {
[2323]447 mr_asprintf(tmp, " %s %s's.", number_to_text(device_copies), device);
[128]448 if (!strstr(flaws_str, tmp)) {
449 log_it(tmp);
[2209]450 mr_strcat(flaws_str, "%s", tmp);
[128]451 res++;
452 }
[2261]453 mr_free(tmp);
[128]454 }
455 /* silly partition size? */
456 if (mountlist->el[pos].size < 8192
457 && strcmp(mountlist->el[pos].mountpoint, "lvm")) {
[2323]458 mr_asprintf(tmp, " %s is tiny!", device);
[128]459 log_it(tmp);
[2209]460 mr_strcat(flaws_str, "%s", tmp);
[2261]461 mr_free(tmp);
[128]462 res++;
463 }
464 /* mountpoint should begin with / unless it is swap, lvm or raid */
465 if (strcmp(mountlist->el[pos].mountpoint, "swap")
466 && strcmp(mountlist->el[pos].mountpoint, "lvm")
467 && strcmp(mountlist->el[pos].mountpoint, "raid")
468 && strcmp(mountlist->el[pos].mountpoint, "image")
469 && mountlist->el[pos].mountpoint[0] != '/') {
[2323]470 mr_asprintf(tmp, " %s has a weird mountpoint.", device);
[128]471 log_it(tmp);
[2209]472 mr_strcat(flaws_str, "%s", tmp);
[2261]473 mr_free(tmp);
[128]474 res++;
475 }
476 /* is format sensible? */
477 if (!is_this_a_valid_disk_format(mountlist->el[pos].format)) {
[2323]478 mr_asprintf(tmp, " %s has unsupported format %s.", device, mountlist->el[pos].format);
[128]479 log_it(tmp);
[2209]480 mr_strcat(flaws_str, "%s", tmp);
[2261]481 mr_free(tmp);
[128]482 res++;
483 }
484 /* OK, continue with main loop */
[2125]485 amount_allocated += mountlist->el[pos].size / 1024L;
[128]486 prev_part_no = curr_part_no;
[2316]487 mr_free(device);
[1]488 }
[128]489
490 /* Over-allocated the disk? Unallocated space on disk? */
491 if (amount_allocated > physical_drive_size + 1) {
[2324]492 mr_asprintf(tmp, " %ld MB over-allocated on %s.", amount_allocated - physical_drive_size, drive);
[128]493 log_it(tmp);
[2209]494 mr_strcat(flaws_str, "%s", tmp);
[2261]495 mr_free(tmp);
[128]496 res++;
497 } else if (amount_allocated < physical_drive_size - 1) { /* NOT AN ERROR, JUST A WARNING :-) */
[2324]498 mr_asprintf(tmp, " %ld MB unallocated on %s.", physical_drive_size - amount_allocated, drive);
[1236]499 log_it(tmp);
[2209]500 mr_strcat(flaws_str, "%s", tmp);
[2261]501 mr_free(tmp);
[1]502 }
503
[2372]504 if (res == 0) {
505 mr_free(flaws_str);
[2382]506 log_msg(2, "Fine, no error in evaluate_drive_within_mountlist");
[2209]507 return (NULL);
[128]508 } else {
[2382]509 log_msg(2, "Error in evaluate_drive_within_mountlist: %s", flaws_str);
[2209]510 return (flaws_str);
[128]511 }
[1]512}
513#endif
514
515
516/**
517 * Evaluate a whole mountlist for flaws. Calls evaluate_drive_within_mountlist()
518 * for each drive, and then spreads the flaws across three lines.
519 * @param mountlist The mountlist to evaluate.
[2395]520 * @return The flaws string (NULL for success).
[1]521 * @see evaluate_drive_within_mountlist
522 */
[2395]523char *evaluate_mountlist(struct mountlist_itself *mountlist) {
[1]524
[128]525 /*@ buffer *********************************************************** */
526 struct list_of_disks *drivelist;
[2202]527 char *tmp = NULL;
528 char *flaws_str = NULL;
[1]529
[2385]530 int currline = 0;
531 int copies = 0;
532 int last_copy = 0;
533
534 /*@ buffetr ********************************************************* */
535 char *curr_mountpoint = NULL;
536
[128]537 /*@ int ************************************************************** */
[1]538 int i = 0;
539
[128]540 /*@ initialize ******************************************************* */
[1]541
[128]542 drivelist = malloc(sizeof(struct list_of_disks));
543 assert(mountlist != NULL);
[1]544
[128]545 make_list_of_drives_in_mountlist(mountlist, drivelist);
[1]546
[128]547 log_it("Evaluating mountlist...");
[1]548
[128]549 for (i = 0; i < drivelist->entries; i++) {
550 if (strstr
551 (drivelist->el[i].device,
552 DONT_KNOW_HOW_TO_EVALUATE_THIS_DEVICE_TYPE)) {
[2324]553 log_it(" Not evaluating %s (I don't know how yet)", drivelist->el[i].device);
[128]554 } else {
[2235]555 log_msg(8, "Evaluating drive #%d (%s) within mountlist", i, drivelist->el[i].device);
[2306]556 tmp = evaluate_drive_within_mountlist(mountlist, drivelist->el[i].device);
[128]557 }
[2207]558 log_msg(8,"Entry: %d (%s)", i, drivelist->el[i].device);
[2306]559 /* BCO: tmp can be NULL */
[2219]560 if (tmp != NULL) {
[2395]561 log_msg(8,"Adding: %s to flaws_str", tmp);
[2219]562 mr_strcat(flaws_str, "%s", tmp);
[2324]563 mr_free(tmp);
[2219]564 }
[1]565 }
[2385]566
567 /* Look for duplicate mountpoints in mountlist. */
568
569 for (currline = 0; currline < mountlist->entries; currline++) {
570 mr_asprintf(curr_mountpoint, "%s", mountlist->el[currline].mountpoint);
571 for (i = 0, copies = 0, last_copy = -1; i < mountlist->entries; i++) {
572 if (!strcmp(mountlist->el[i].mountpoint, curr_mountpoint)
573 && strcmp(mountlist->el[i].mountpoint, "lvm")
574 && strcmp(mountlist->el[i].mountpoint, "swap")) {
575 last_copy = i;
576 copies++;
577 }
578 }
579 if (copies > 1 && last_copy == currline
580 && strcmp(curr_mountpoint, "raid")) {
581 mr_asprintf(tmp, " %s %s's.", number_to_text(copies), curr_mountpoint);
582 mr_strcat(flaws_str, "%s", tmp);
[2395]583 log_msg(8,"Adding: %s to flaws_str", tmp);
[2385]584 mr_free(tmp);
585 }
586 mr_free(curr_mountpoint);
587 }
588
[2352]589 return(flaws_str);
[1]590}
591
592
593/**
594 * Find the index number of @p device in the mountlist.
595 * The device given must match @p mountlist->el[N].device exactly, case-sensitive.
596 * @param mountlist The mountlist to search in.
597 * @param device The device to search for.
598 * @return The zero-based index of the device, or -1 if it could not be found.
599 */
600int
[128]601find_device_in_mountlist(struct mountlist_itself *mountlist, char *device)
[1]602{
603
[128]604 /*@ int ************************************************************** */
605 int i = 0;
[1]606
[128]607 assert(mountlist != NULL);
608 assert_string_is_neither_NULL_nor_zerolength(device);
609 for (i = 0;
610 i < mountlist->entries
611 && strcmp(mountlist->el[i].device, device) != 0; i++);
612
613 if (i == mountlist->entries) {
614 return (-1);
615 } else {
616 return (i);
617 }
[1]618}
619
620
621/**
622 * Make a list of the drives mentioned in the mountlist.
623 * @param mountlist The mountlist to examine.
624 * @param drivelist Where to put the list of drives found.
625 * @return The number of physical (non-RAID non-LVM) drives found, or \<= 0 for error.
626 */
627int
[128]628make_list_of_drives_in_mountlist(struct mountlist_itself *mountlist,
629 struct list_of_disks *drivelist)
[1]630{
631
[128]632 /*@ int ************************************************************* */
633 int lino;
634 int noof_drives;
635 int j;
[1]636
[128]637 /*@ buffers ********************************************************* */
[2204]638 char *drive = NULL;
[2230]639 char *truncdrive = NULL;
[1]640
[128]641 long long size;
[1]642
[128]643 assert(mountlist != NULL);
644 assert(drivelist != NULL);
645 log_it("Making list of drives");
646 for (lino = 0, noof_drives = 0; lino < mountlist->entries; lino++) {
[1]647
[2323]648 mr_asprintf(drive, "%s", mountlist->el[lino].device);
[128]649 if (!strncmp(drive, RAID_DEVICE_STUB, strlen(RAID_DEVICE_STUB))) {
[2205]650 log_msg(8, "Not putting %s in list of drives: it's a virtual drive", drive);
[2324]651 mr_free(drive);
[128]652 continue;
653 }
[1]654
[128]655 size = mountlist->el[lino].size;
656 if (size == 0) {
[2205]657 log_msg(8, "Not putting %s in list of drives: it has zero size (maybe an LVM volume)", drive);
[2324]658 mr_free(drive);
[128]659 continue;
660 }
661
[2205]662 log_msg(8, "Putting %s with size %lli in list of drives", drive, size);
[1]663
[2237]664 /* memory allocation */
[2230]665 truncdrive = truncate_to_drive_name(drive);
[2324]666 mr_free(drive);
[2237]667
[2230]668 log_msg(8, "drive truncated to %s", truncdrive);
[2206]669
[128]670 for (j = 0;
671 j < noof_drives
[2230]672 && strcmp(drivelist->el[j].device, truncdrive) != 0; j++) {
[128]673 continue;
[2205]674 }
[128]675 if (j == noof_drives) {
[2237]676 strncpy(drivelist->el[noof_drives].device, truncdrive, 63);
[2235]677 drivelist->el[noof_drives].device[63] = '\0';
[2236]678 log_msg(8,"Adding drive %s to list", drivelist->el[noof_drives].device);
[2235]679 noof_drives++;
[128]680 }
[2230]681 paranoid_free(truncdrive);
[2237]682 if (noof_drives >= MAXIMUM_DISKS_PER_RAID_DEV) {
683 log_msg(0, "Unable to handle mountlist with more than %d lines", MAXIMUM_DISKS_PER_RAID_DEV);
684 log_to_screen("Unable to handle a so big mountlist");
685 finish(1);
686 }
[1]687 }
[128]688 drivelist->entries = noof_drives;
[2235]689 log_msg(8, "Made list of %d drives",noof_drives);
[1]690
[128]691 return (noof_drives);
[1]692}
693
694
695/**
696 * Make a list of RAID partitions not currently associated with any RAID device.
697 * The user may add any of these partitions to the RAID device.
698 * @param output_list Where to put the list of unallocated RAID partitions.
699 * @param mountlist The mountlist to examine.
700 * @param raidlist The raidlist to examine.
701 */
[128]702void make_list_of_unallocated_raid_partitions(struct mountlist_itself
703 *output_list,
704 struct mountlist_itself
705 *mountlist,
706 struct raidlist_itself
707 *raidlist)
[1]708{
709
[128]710 /*@ int ************************************************************* */
711 int items = 0;
[1]712 int i = 0;
713 int used_by = 0;
714
[128]715 assert(output_list != NULL);
716 assert(mountlist != NULL);
717 assert(raidlist != NULL);
718 log_it("MLOURP -- starting");
719 items = 0;
[1]720
721
[128]722 for (i = 0; i < mountlist->entries; i++) {
723 if (strstr(mountlist->el[i].mountpoint, "raid")) {
[2324]724 used_by = which_raid_device_is_using_this_partition(raidlist,
[128]725 mountlist->el[i].
726 device);
727 if (used_by < 0) {
728 memcpy((void *) &output_list->el[items++],
729 (void *) &mountlist->el[i],
730 sizeof(struct mountlist_line));
[2324]731 log_it("%s is available; user may choose to add it to raid device", output_list->el[items - 1].device);
[128]732 }
733 }
[1]734 }
[128]735 output_list->entries = items;
736 log_it("MLUORP -- ending");
[1]737}
738
739
740/**
741 * Get the size of a mountlist entry by the @c device field.
742 * @param mountlist The mountlist to search in.
743 * @param device The device to search for
744 * @return The size of the device (in KB), or -1 if it could not be found.
745 */
746long long
[128]747size_of_specific_device_in_mountlist(struct mountlist_itself *mountlist,
748 char *device)
[1]749{
[128]750 /*@ int ************************************************************** */
751 int i = 0;
[1]752
753
[128]754 assert(mountlist != NULL);
755 assert_string_is_neither_NULL_nor_zerolength(device);
[1]756
[128]757 for (i = 0;
758 i < mountlist->entries && strcmp(mountlist->el[i].device, device);
759 i++);
760 if (i == mountlist->entries) {
761 return (-1);
762 } else {
763 return (mountlist->el[i].size);
764 }
[1]765}
766
767
768/**
769 * Load a file on disk into @p mountlist.
770 * The file on disk should consist of multiple lines, each containing 4 or 5
771 * columns: the device, the mountpoint, the filesystem type, the size in kilobytes, and optionally the filesystem label.
772 * Comments begin with a '#' without any leading whitespace. Any duplicate
773 * entries are renamed.
774 * @param mountlist The mountlist to load into.
775 * @param fname The name of the file to load the mountlist from.
776 * @return 0 for success, 1 for failure.
777 */
[128]778int load_mountlist(struct mountlist_itself *mountlist, char *fname)
[1]779{
[2204]780 FILE *fin = NULL;
[128]781 /* malloc ** */
[2204]782 char *incoming = NULL;
783 char *siz = NULL;
784 char *tmp = NULL;
785 char *p = NULL;
[1]786
[2204]787 int items = 0;
788 int j = 0;
789 int res = 0;
[1]790
[128]791 assert(mountlist != NULL);
792 assert_string_is_neither_NULL_nor_zerolength(fname);
[2204]793
[128]794 if (!(fin = fopen(fname, "r"))) {
795 log_it("Unable to open mountlist - '%s'", fname);
[541]796 log_to_screen("Cannot open mountlist");
[128]797 return (1);
798 }
[2204]799 malloc_string(siz);
[128]800 log_it("Loading mountlist...");
[2357]801 mr_getline(incoming, fin);
[128]802 while (!feof(fin)) {
[1]803#if linux
[2357]804 res = sscanf(incoming, "%s %s %s %s %s", mountlist->el[items].device, mountlist->el[items].mountpoint, mountlist->el[items].format, siz, mountlist->el[items].label);
[2204]805 if (res < 5) {
806 /* no label found */
[2206]807 log_msg(4, "no label found for %s",mountlist->el[items].device);
808 strcpy(mountlist->el[items].label,"");
[2204]809 }
[1]810#elif __FreeBSD__
[2357]811 res = sscanf(incoming, "%s %s %s %s", mountlist->el[items].device, mountlist->el[items].mountpoint, mountlist->el[items].format, siz);
[2206]812 strcpy(mountlist->el[items].label,"");
[1]813#endif
814
[128]815 if (!strcmp(mountlist->el[items].device, "/proc") ||
816 !strcmp(mountlist->el[items].device, "proc") ||
817 !strcmp(mountlist->el[items].device, "/sys") ||
818 !strcmp(mountlist->el[items].device, "sys") ||
819 !strcmp(mountlist->el[items].device, "/devpts") ||
820 !strcmp(mountlist->el[items].device, "devpts")
821 ) {
[2357]822 log_msg(1, "Ignoring %s in mountlist - not loading that line :) ", mountlist->el[items].device);
823 mr_free(incoming);
824 mr_getline(incoming, fin);
[128]825 continue;
826 }
827 mountlist->el[items].size = atoll(siz);
828 if (mountlist->el[items].device[0] != '\0'
829 && mountlist->el[items].device[0] != '#') {
830 for (j = 0;
831 j < items
832 && strcmp(mountlist->el[j].device,
833 mountlist->el[items].device); j++);
834 if (j < items) {
835 strcat(mountlist->el[items].device, "_dup");
[2324]836 log_it("Duplicate entry in mountlist - renaming to %s", mountlist->el[items].device);
[128]837 }
[2323]838 mr_asprintf(tmp, "%s", mountlist->el[items].device);
[128]839 if (strstr(tmp, "/dev/md/")) {
840 log_it("format_device() --- Contracting %s", tmp);
841 p = strrchr(tmp, '/');
842 if (p) {
843 *p = *(p + 1);
844 *(p + 1) = *(p + 2);
845 *(p + 2) = *(p + 3);
846 }
[2357]847 log_it("It was %s; it is now %s", mountlist->el[items].device, tmp);
[128]848 strcpy(mountlist->el[items].device, tmp);
849 }
[2204]850 paranoid_free(tmp);
[1]851
[2357]852 log_it("%s %s %s %lld %s", mountlist->el[items].device, mountlist->el[items].mountpoint, mountlist->el[items].format, mountlist->el[items].size, mountlist->el[items].label);
[128]853 items++;
[2206]854 if (items >= MAX_MOUNTLIST_ENTRIES) {
855 log_to_screen("Too many lines in mountlist.. ABORTING");
856 finish(1);
857 }
[128]858 }
[2357]859 mr_free(incoming);
860 mr_getline(incoming, fin);
[1]861 }
[2357]862 mr_free(incoming);
[128]863 paranoid_fclose(fin);
864 mountlist->entries = items;
[1]865
[128]866 log_it("Mountlist loaded successfully.");
[2204]867 log_it("%d entries in mountlist", items);
868
[128]869 paranoid_free(siz);
870 return (0);
[1]871}
872
873
874
875/**
876 * Save @p mountlist to a file on disk.
877 * @param mountlist The mountlist to save.
878 * @param fname The file to save it to.
879 * @return 0 for success, 1 for failure.
880 * @see load_mountlist
881 */
[128]882int save_mountlist_to_disk(struct mountlist_itself *mountlist, char *fname)
[1]883{
[128]884 FILE *fout;
885 int i;
[1]886
[128]887 assert(mountlist != NULL);
888 assert_string_is_neither_NULL_nor_zerolength(fname);
[1]889
[128]890 log_it("save_mountlist_to_disk() --- saving to %s", fname);
891 if (!(fout = fopen(fname, "w"))) {
892 log_OS_error("WMTD - Cannot openout mountlist");
893 return (1);
894 }
895 for (i = 0; i < mountlist->entries; i++) {
896 fprintf(fout,
[1909]897 "%-15s %-15s %-15s %-15lld %-15s\n",
[128]898 mountlist->el[i].device, mountlist->el[i].mountpoint,
899 mountlist->el[i].format, mountlist->el[i].size,
[1899]900 mountlist->el[i].label);
[128]901 }
902 paranoid_fclose(fout);
903 return (0);
[1]904}
905
906
907/**
908 * Sort the mountlist alphabetically by device.
909 * The sorting is done in-place.
910 * @param mountlist The mountlist to sort.
911 */
[128]912void sort_mountlist_by_device(struct mountlist_itself *mountlist)
[1]913{
[128]914 int diff;
915 int lino = -999;
[1]916
[128]917 assert(mountlist != NULL);
[1]918
[128]919 while (lino < mountlist->entries) {
920 for (lino = 1; lino < mountlist->entries; lino++) {
921 diff =
922 strcmp_inc_numbers(mountlist->el[lino - 1].device,
923 mountlist->el[lino].device);
924 if (diff > 0) {
925 swap_mountlist_entries(mountlist, lino - 1, lino);
926 break;
927 }
928 }
[1]929 }
930}
931
[2204]932
[1]933/**
934 * Sort the mountlist alphabetically by mountpoint.
935 * The sorting is done in-place.
936 * @param mountlist The mountlist to sort.
937 * @param reverse If TRUE, then do a reverse sort.
938 */
[128]939void
940sort_mountlist_by_mountpoint(struct mountlist_itself *mountlist,
941 bool reverse)
[1]942{
[128]943 int diff;
944 int lino = -999;
[1]945
[128]946 assert(mountlist != NULL);
[1]947
[128]948 while (lino < mountlist->entries) {
949 for (lino = 1; lino < mountlist->entries; lino++) {
950 diff =
951 strcmp(mountlist->el[lino - 1].mountpoint,
952 mountlist->el[lino].mountpoint);
953 if ((diff > 0 && !reverse) || ((diff < 0 && reverse))) {
954 swap_mountlist_entries(mountlist, lino - 1, lino);
955 break;
956 }
957 }
[1]958 }
959}
960
961
962/**
963 * Swap two entries in the mountlist in-place.
964 * @param mountlist The mountlist to swap the entries in.
965 * @param a The index number of the first entry.
966 * @param b The index number of the second entry.
967 */
[128]968void
[1]969swap_mountlist_entries(struct mountlist_itself *mountlist, int a, int b)
970{
[128]971 /*@ mallocs *** */
[2204]972 char *device = NULL;
973 char *mountpoint = NULL;
974 char *format = NULL;
[1]975
[128]976 long long size;
[1]977
[128]978 assert(mountlist != NULL);
979 assert(a >= 0);
980 assert(b >= 0);
[1]981
[2323]982 mr_asprintf(device, "%s", mountlist->el[a].device);
983 mr_asprintf(mountpoint, "%s", mountlist->el[a].mountpoint);
984 mr_asprintf(format, "%s", mountlist->el[a].format);
[1]985
[128]986 size = mountlist->el[a].size;
[1]987
[128]988 strcpy(mountlist->el[a].device, mountlist->el[b].device);
989 strcpy(mountlist->el[a].mountpoint, mountlist->el[b].mountpoint);
990 strcpy(mountlist->el[a].format, mountlist->el[b].format);
[1]991
[128]992 mountlist->el[a].size = mountlist->el[b].size;
[1]993
[128]994 strcpy(mountlist->el[b].device, device);
995 strcpy(mountlist->el[b].mountpoint, mountpoint);
996 strcpy(mountlist->el[b].format, format);
[1]997
[128]998 mountlist->el[b].size = size;
[2324]999 mr_free(device);
1000 mr_free(mountpoint);
1001 mr_free(format);
[1]1002}
1003
1004/* @} - end of mountlistGroup */
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