1 /*
2 * mkquota.c --- create quota files for a filesystem
3 *
4 * Aditya Kali <adityakali@google.com>
5 */
6 #include "config.h"
7 #include <sys/types.h>
8 #include <sys/stat.h>
9 #include <unistd.h>
10 #include <errno.h>
11 #include <string.h>
12 #include <fcntl.h>
13
14 #include "ext2fs/ext2_fs.h"
15 #include "ext2fs/ext2fs.h"
16 #include "e2p/e2p.h"
17
18 #include "quotaio.h"
19 #include "quotaio_v2.h"
20 #include "quotaio_tree.h"
21 #include "common.h"
22 #include "dict.h"
23
24 /* Needed for architectures where sizeof(int) != sizeof(void *) */
25 #define UINT_TO_VOIDPTR(val) ((void *)(intptr_t)(val))
26 #define VOIDPTR_TO_UINT(ptr) ((unsigned int)(intptr_t)(ptr))
27
28 #if DEBUG_QUOTA
print_inode(struct ext2_inode * inode)29 static void print_inode(struct ext2_inode *inode)
30 {
31 if (!inode)
32 return;
33
34 fprintf(stderr, " i_mode = %d\n", inode->i_mode);
35 fprintf(stderr, " i_uid = %d\n", inode->i_uid);
36 fprintf(stderr, " i_size = %d\n", inode->i_size);
37 fprintf(stderr, " i_atime = %d\n", inode->i_atime);
38 fprintf(stderr, " i_ctime = %d\n", inode->i_ctime);
39 fprintf(stderr, " i_mtime = %d\n", inode->i_mtime);
40 fprintf(stderr, " i_dtime = %d\n", inode->i_dtime);
41 fprintf(stderr, " i_gid = %d\n", inode->i_gid);
42 fprintf(stderr, " i_links_count = %d\n", inode->i_links_count);
43 fprintf(stderr, " i_blocks = %d\n", inode->i_blocks);
44 fprintf(stderr, " i_flags = %d\n", inode->i_flags);
45
46 return;
47 }
48
print_dquot(const char * desc,struct dquot * dq)49 static void print_dquot(const char *desc, struct dquot *dq)
50 {
51 if (desc)
52 fprintf(stderr, "%s: ", desc);
53 fprintf(stderr, "%u %lld:%lld:%lld %lld:%lld:%lld\n",
54 dq->dq_id, (long long) dq->dq_dqb.dqb_curspace,
55 (long long) dq->dq_dqb.dqb_bsoftlimit,
56 (long long) dq->dq_dqb.dqb_bhardlimit,
57 (long long) dq->dq_dqb.dqb_curinodes,
58 (long long) dq->dq_dqb.dqb_isoftlimit,
59 (long long) dq->dq_dqb.dqb_ihardlimit);
60 }
61 #else
print_dquot(const char * desc EXT2FS_ATTR ((unused)),struct dquot * dq EXT2FS_ATTR ((unused)))62 static void print_dquot(const char *desc EXT2FS_ATTR((unused)),
63 struct dquot *dq EXT2FS_ATTR((unused)))
64 {
65 }
66 #endif
67
68 /*
69 * Returns 0 if not able to find the quota file, otherwise returns its
70 * inode number.
71 */
quota_file_exists(ext2_filsys fs,enum quota_type qtype)72 int quota_file_exists(ext2_filsys fs, enum quota_type qtype)
73 {
74 char qf_name[256];
75 errcode_t ret;
76 ext2_ino_t ino;
77
78 if (qtype >= MAXQUOTAS)
79 return -EINVAL;
80
81 quota_get_qf_name(qtype, QFMT_VFS_V1, qf_name);
82
83 ret = ext2fs_lookup(fs, EXT2_ROOT_INO, qf_name, strlen(qf_name), 0,
84 &ino);
85 if (ret)
86 return 0;
87
88 return ino;
89 }
90
91 /*
92 * Set the value for reserved quota inode number field in superblock.
93 */
quota_set_sb_inum(ext2_filsys fs,ext2_ino_t ino,enum quota_type qtype)94 void quota_set_sb_inum(ext2_filsys fs, ext2_ino_t ino, enum quota_type qtype)
95 {
96 ext2_ino_t *inump;
97
98 inump = quota_sb_inump(fs->super, qtype);
99
100 log_debug("setting quota ino in superblock: ino=%u, type=%d", ino,
101 qtype);
102 if (inump == NULL)
103 return;
104 *inump = ino;
105 ext2fs_mark_super_dirty(fs);
106 }
107
quota_remove_inode(ext2_filsys fs,enum quota_type qtype)108 errcode_t quota_remove_inode(ext2_filsys fs, enum quota_type qtype)
109 {
110 ext2_ino_t qf_ino;
111 errcode_t retval;
112
113 retval = ext2fs_read_bitmaps(fs);
114 if (retval) {
115 log_debug("Couldn't read bitmaps: %s", error_message(retval));
116 return retval;
117 }
118
119 qf_ino = *quota_sb_inump(fs->super, qtype);
120 if (qf_ino == 0)
121 return 0;
122 retval = quota_inode_truncate(fs, qf_ino);
123 if (retval)
124 return retval;
125 if (qf_ino >= EXT2_FIRST_INODE(fs->super)) {
126 struct ext2_inode inode;
127
128 retval = ext2fs_read_inode(fs, qf_ino, &inode);
129 if (!retval) {
130 memset(&inode, 0, sizeof(struct ext2_inode));
131 ext2fs_write_inode(fs, qf_ino, &inode);
132 }
133 ext2fs_inode_alloc_stats2(fs, qf_ino, -1, 0);
134 ext2fs_mark_ib_dirty(fs);
135
136 }
137 quota_set_sb_inum(fs, 0, qtype);
138
139 ext2fs_mark_super_dirty(fs);
140 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
141 retval = ext2fs_write_bitmaps(fs);
142 if (retval) {
143 log_debug("Couldn't write bitmaps: %s", error_message(retval));
144 return retval;
145 }
146 return 0;
147 }
148
write_dquots(dict_t * dict,struct quota_handle * qh)149 static void write_dquots(dict_t *dict, struct quota_handle *qh)
150 {
151 dnode_t *n;
152 struct dquot *dq;
153
154 for (n = dict_first(dict); n; n = dict_next(dict, n)) {
155 dq = dnode_get(n);
156 if (dq) {
157 print_dquot("write", dq);
158 dq->dq_h = qh;
159 update_grace_times(dq);
160 qh->qh_ops->commit_dquot(dq);
161 }
162 }
163 }
164
quota_write_inode(quota_ctx_t qctx,unsigned int qtype_bits)165 errcode_t quota_write_inode(quota_ctx_t qctx, unsigned int qtype_bits)
166 {
167 int retval = 0;
168 enum quota_type qtype;
169 dict_t *dict;
170 ext2_filsys fs;
171 struct quota_handle *h = NULL;
172 int fmt = QFMT_VFS_V1;
173
174 if (!qctx)
175 return 0;
176
177 fs = qctx->fs;
178 retval = ext2fs_get_mem(sizeof(struct quota_handle), &h);
179 if (retval) {
180 log_debug("Unable to allocate quota handle: %s",
181 error_message(retval));
182 goto out;
183 }
184
185 retval = ext2fs_read_bitmaps(fs);
186 if (retval) {
187 log_debug("Couldn't read bitmaps: %s", error_message(retval));
188 goto out;
189 }
190
191 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
192 if (((1 << qtype) & qtype_bits) == 0)
193 continue;
194
195 dict = qctx->quota_dict[qtype];
196 if (!dict)
197 continue;
198
199 retval = quota_file_create(h, fs, qtype, fmt);
200 if (retval) {
201 log_debug("Cannot initialize io on quotafile: %s",
202 error_message(retval));
203 goto out;
204 }
205
206 write_dquots(dict, h);
207 retval = quota_file_close(qctx, h);
208 if (retval) {
209 log_debug("Cannot finish IO on new quotafile: %s",
210 strerror(errno));
211 if (h->qh_qf.e2_file)
212 ext2fs_file_close(h->qh_qf.e2_file);
213 (void) quota_inode_truncate(fs, h->qh_qf.ino);
214 goto out;
215 }
216
217 /* Set quota inode numbers in superblock. */
218 quota_set_sb_inum(fs, h->qh_qf.ino, qtype);
219 ext2fs_mark_super_dirty(fs);
220 ext2fs_mark_bb_dirty(fs);
221 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
222 }
223
224 retval = ext2fs_write_bitmaps(fs);
225 if (retval) {
226 log_debug("Couldn't write bitmaps: %s", error_message(retval));
227 goto out;
228 }
229 out:
230 if (h)
231 ext2fs_free_mem(&h);
232 return retval;
233 }
234
235 /******************************************************************/
236 /* Helper functions for computing quota in memory. */
237 /******************************************************************/
238
dict_uint_cmp(const void * cmp_ctx EXT2FS_ATTR ((unused)),const void * a,const void * b)239 static int dict_uint_cmp(const void *cmp_ctx EXT2FS_ATTR((unused)),
240 const void *a, const void *b)
241 {
242 unsigned int c, d;
243
244 c = VOIDPTR_TO_UINT(a);
245 d = VOIDPTR_TO_UINT(b);
246
247 if (c == d)
248 return 0;
249 else if (c > d)
250 return 1;
251 else
252 return -1;
253 }
254
project_quota_valid(quota_ctx_t qctx)255 static inline int project_quota_valid(quota_ctx_t qctx)
256 {
257 return (EXT2_INODE_SIZE(qctx->fs->super) > EXT2_GOOD_OLD_INODE_SIZE);
258 }
259
get_qid(struct ext2_inode_large * inode,enum quota_type qtype)260 static inline qid_t get_qid(struct ext2_inode_large *inode, enum quota_type qtype)
261 {
262 unsigned int inode_size;
263
264 switch (qtype) {
265 case USRQUOTA:
266 return inode_uid(*inode);
267 case GRPQUOTA:
268 return inode_gid(*inode);
269 case PRJQUOTA:
270 inode_size = EXT2_GOOD_OLD_INODE_SIZE +
271 inode->i_extra_isize;
272 if (inode_includes(inode_size, i_projid))
273 return inode_projid(*inode);
274 return 0;
275 default:
276 return 0;
277 }
278
279 return 0;
280 }
281
quota_dnode_free(dnode_t * node,void * context EXT2FS_ATTR ((unused)))282 static void quota_dnode_free(dnode_t *node,
283 void *context EXT2FS_ATTR((unused)))
284 {
285 void *ptr = node ? dnode_get(node) : 0;
286
287 ext2fs_free_mem(&ptr);
288 free(node);
289 }
290
291 /*
292 * Set up the quota tracking data structures.
293 */
quota_init_context(quota_ctx_t * qctx,ext2_filsys fs,unsigned int qtype_bits)294 errcode_t quota_init_context(quota_ctx_t *qctx, ext2_filsys fs,
295 unsigned int qtype_bits)
296 {
297 errcode_t err;
298 dict_t *dict;
299 quota_ctx_t ctx;
300 enum quota_type qtype;
301
302 err = ext2fs_get_mem(sizeof(struct quota_ctx), &ctx);
303 if (err) {
304 log_debug("Failed to allocate quota context");
305 return err;
306 }
307
308 memset(ctx, 0, sizeof(struct quota_ctx));
309 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
310 ctx->quota_file[qtype] = NULL;
311 if (qtype_bits) {
312 if (((1 << qtype) & qtype_bits) == 0)
313 continue;
314 } else {
315 if (*quota_sb_inump(fs->super, qtype) == 0)
316 continue;
317 }
318 err = ext2fs_get_mem(sizeof(dict_t), &dict);
319 if (err) {
320 log_debug("Failed to allocate dictionary");
321 quota_release_context(&ctx);
322 return err;
323 }
324 ctx->quota_dict[qtype] = dict;
325 dict_init(dict, DICTCOUNT_T_MAX, dict_uint_cmp);
326 dict_set_allocator(dict, NULL, quota_dnode_free, NULL);
327 }
328
329 ctx->fs = fs;
330 *qctx = ctx;
331 return 0;
332 }
333
quota_release_context(quota_ctx_t * qctx)334 void quota_release_context(quota_ctx_t *qctx)
335 {
336 errcode_t err;
337 dict_t *dict;
338 enum quota_type qtype;
339 quota_ctx_t ctx;
340
341 if (!qctx)
342 return;
343
344 ctx = *qctx;
345 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
346 dict = ctx->quota_dict[qtype];
347 ctx->quota_dict[qtype] = 0;
348 if (dict) {
349 dict_free_nodes(dict);
350 free(dict);
351 }
352 if (ctx->quota_file[qtype]) {
353 err = quota_file_close(ctx, ctx->quota_file[qtype]);
354 if (err) {
355 log_err("Cannot close quotafile: %s",
356 strerror(errno));
357 ext2fs_free_mem(&ctx->quota_file[qtype]);
358 }
359 }
360 }
361 *qctx = NULL;
362 free(ctx);
363 }
364
get_dq(dict_t * dict,__u32 key)365 static struct dquot *get_dq(dict_t *dict, __u32 key)
366 {
367 struct dquot *dq;
368 dnode_t *n;
369
370 n = dict_lookup(dict, UINT_TO_VOIDPTR(key));
371 if (n)
372 dq = dnode_get(n);
373 else {
374 if (ext2fs_get_mem(sizeof(struct dquot), &dq)) {
375 log_err("Unable to allocate dquot");
376 return NULL;
377 }
378 memset(dq, 0, sizeof(struct dquot));
379 dict_alloc_insert(dict, UINT_TO_VOIDPTR(key), dq);
380 dq->dq_id = key;
381 }
382 return dq;
383 }
384
385
386 /*
387 * Called to update the blocks used by a particular inode
388 */
quota_data_add(quota_ctx_t qctx,struct ext2_inode_large * inode,ext2_ino_t ino EXT2FS_ATTR ((unused)),qsize_t space)389 void quota_data_add(quota_ctx_t qctx, struct ext2_inode_large *inode,
390 ext2_ino_t ino EXT2FS_ATTR((unused)),
391 qsize_t space)
392 {
393 struct dquot *dq;
394 dict_t *dict;
395 enum quota_type qtype;
396
397 if (!qctx)
398 return;
399
400 log_debug("ADD_DATA: Inode: %u, UID/GID: %u/%u, space: %ld", ino,
401 inode_uid(*inode),
402 inode_gid(*inode), space);
403 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
404 if (qtype == PRJQUOTA && !project_quota_valid(qctx))
405 continue;
406 dict = qctx->quota_dict[qtype];
407 if (dict) {
408 dq = get_dq(dict, get_qid(inode, qtype));
409 if (dq)
410 dq->dq_dqb.dqb_curspace += space;
411 }
412 }
413 }
414
415 /*
416 * Called to remove some blocks used by a particular inode
417 */
quota_data_sub(quota_ctx_t qctx,struct ext2_inode_large * inode,ext2_ino_t ino EXT2FS_ATTR ((unused)),qsize_t space)418 void quota_data_sub(quota_ctx_t qctx, struct ext2_inode_large *inode,
419 ext2_ino_t ino EXT2FS_ATTR((unused)),
420 qsize_t space)
421 {
422 struct dquot *dq;
423 dict_t *dict;
424 enum quota_type qtype;
425
426 if (!qctx)
427 return;
428
429 log_debug("SUB_DATA: Inode: %u, UID/GID: %u/%u, space: %ld", ino,
430 inode_uid(*inode),
431 inode_gid(*inode), space);
432 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
433 if (qtype == PRJQUOTA && !project_quota_valid(qctx))
434 continue;
435 dict = qctx->quota_dict[qtype];
436 if (dict) {
437 dq = get_dq(dict, get_qid(inode, qtype));
438 if (dq)
439 dq->dq_dqb.dqb_curspace -= space;
440 }
441 }
442 }
443
444 /*
445 * Called to count the files used by an inode's user/group
446 */
quota_data_inodes(quota_ctx_t qctx,struct ext2_inode_large * inode,ext2_ino_t ino EXT2FS_ATTR ((unused)),int adjust)447 void quota_data_inodes(quota_ctx_t qctx, struct ext2_inode_large *inode,
448 ext2_ino_t ino EXT2FS_ATTR((unused)), int adjust)
449 {
450 struct dquot *dq;
451 dict_t *dict;
452 enum quota_type qtype;
453
454 if (!qctx)
455 return;
456
457 log_debug("ADJ_INODE: Inode: %u, UID/GID: %u/%u, adjust: %d", ino,
458 inode_uid(*inode),
459 inode_gid(*inode), adjust);
460 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
461 if (qtype == PRJQUOTA && !project_quota_valid(qctx))
462 continue;
463 dict = qctx->quota_dict[qtype];
464 if (dict) {
465 dq = get_dq(dict, get_qid(inode, qtype));
466 if (dq)
467 dq->dq_dqb.dqb_curinodes += adjust;
468 }
469 }
470 }
471
quota_compute_usage(quota_ctx_t qctx)472 errcode_t quota_compute_usage(quota_ctx_t qctx)
473 {
474 ext2_filsys fs;
475 ext2_ino_t ino;
476 errcode_t ret;
477 struct ext2_inode_large *inode;
478 int inode_size;
479 qsize_t space;
480 ext2_inode_scan scan;
481
482 if (!qctx)
483 return 0;
484
485 fs = qctx->fs;
486 ret = ext2fs_open_inode_scan(fs, 0, &scan);
487 if (ret) {
488 log_err("while opening inode scan. ret=%ld", ret);
489 return ret;
490 }
491 inode_size = fs->super->s_inode_size;
492 inode = malloc(inode_size);
493 if (!inode) {
494 ext2fs_close_inode_scan(scan);
495 return ENOMEM;
496 }
497 while (1) {
498 ret = ext2fs_get_next_inode_full(scan, &ino,
499 EXT2_INODE(inode), inode_size);
500 if (ret) {
501 log_err("while getting next inode. ret=%ld", ret);
502 ext2fs_close_inode_scan(scan);
503 free(inode);
504 return ret;
505 }
506 if (ino == 0)
507 break;
508 if (!inode->i_links_count)
509 continue;
510 if (ino == EXT2_ROOT_INO ||
511 (ino >= EXT2_FIRST_INODE(fs->super) &&
512 ino != quota_type2inum(PRJQUOTA, fs->super))) {
513 space = ext2fs_get_stat_i_blocks(fs,
514 EXT2_INODE(inode)) << 9;
515 quota_data_add(qctx, inode, ino, space);
516 quota_data_inodes(qctx, inode, ino, +1);
517 }
518 }
519
520 ext2fs_close_inode_scan(scan);
521 free(inode);
522 return 0;
523 }
524
525 struct scan_dquots_data {
526 dict_t *quota_dict;
527 int update_limits; /* update limits from disk */
528 int update_usage;
529 int check_consistency;
530 int usage_is_inconsistent;
531 };
532
scan_dquots_callback(struct dquot * dquot,void * cb_data)533 static int scan_dquots_callback(struct dquot *dquot, void *cb_data)
534 {
535 struct scan_dquots_data *scan_data = cb_data;
536 dict_t *quota_dict = scan_data->quota_dict;
537 struct dquot *dq;
538
539 dq = get_dq(quota_dict, dquot->dq_id);
540 if (!dq)
541 return -1;
542 dq->dq_id = dquot->dq_id;
543 dq->dq_flags |= DQF_SEEN;
544
545 print_dquot("mem", dq);
546 print_dquot("dsk", dquot);
547
548 /* Check if there is inconsistency */
549 if (scan_data->check_consistency &&
550 (dq->dq_dqb.dqb_curspace != dquot->dq_dqb.dqb_curspace ||
551 dq->dq_dqb.dqb_curinodes != dquot->dq_dqb.dqb_curinodes)) {
552 scan_data->usage_is_inconsistent = 1;
553 fprintf(stderr, "[QUOTA WARNING] Usage inconsistent for ID %u:"
554 "actual (%lld, %lld) != expected (%lld, %lld)\n",
555 dq->dq_id, (long long) dq->dq_dqb.dqb_curspace,
556 (long long) dq->dq_dqb.dqb_curinodes,
557 (long long) dquot->dq_dqb.dqb_curspace,
558 (long long) dquot->dq_dqb.dqb_curinodes);
559 }
560
561 if (scan_data->update_limits) {
562 dq->dq_dqb.dqb_ihardlimit = dquot->dq_dqb.dqb_ihardlimit;
563 dq->dq_dqb.dqb_isoftlimit = dquot->dq_dqb.dqb_isoftlimit;
564 dq->dq_dqb.dqb_bhardlimit = dquot->dq_dqb.dqb_bhardlimit;
565 dq->dq_dqb.dqb_bsoftlimit = dquot->dq_dqb.dqb_bsoftlimit;
566 }
567
568 if (scan_data->update_usage) {
569 dq->dq_dqb.dqb_curspace = dquot->dq_dqb.dqb_curspace;
570 dq->dq_dqb.dqb_curinodes = dquot->dq_dqb.dqb_curinodes;
571 }
572
573 return 0;
574 }
575
576 /*
577 * Read quotas from disk and updates the in-memory information determined by
578 * 'flags' from the on-disk data.
579 */
quota_read_all_dquots(quota_ctx_t qctx,ext2_ino_t qf_ino,enum quota_type qtype,unsigned int flags)580 errcode_t quota_read_all_dquots(quota_ctx_t qctx, ext2_ino_t qf_ino,
581 enum quota_type qtype, unsigned int flags)
582 {
583 struct scan_dquots_data scan_data;
584 struct quota_handle *qh;
585 errcode_t err;
586
587 if (!qctx)
588 return 0;
589
590 err = ext2fs_get_mem(sizeof(struct quota_handle), &qh);
591 if (err) {
592 log_debug("Unable to allocate quota handle");
593 return err;
594 }
595
596 err = quota_file_open(qctx, qh, qf_ino, qtype, -1, 0);
597 if (err) {
598 log_debug("Open quota file failed");
599 goto out;
600 }
601
602 scan_data.quota_dict = qctx->quota_dict[qh->qh_type];
603 scan_data.check_consistency = 0;
604 scan_data.update_limits = !!(flags & QREAD_LIMITS);
605 scan_data.update_usage = !!(flags & QREAD_USAGE);
606 qh->qh_ops->scan_dquots(qh, scan_dquots_callback, &scan_data);
607
608 err = quota_file_close(qctx, qh);
609 if (err) {
610 log_debug("Cannot finish IO on new quotafile: %s",
611 strerror(errno));
612 if (qh->qh_qf.e2_file)
613 ext2fs_file_close(qh->qh_qf.e2_file);
614 }
615 out:
616 ext2fs_free_mem(&qh);
617 return err;
618 }
619
620 /*
621 * Compares the measured quota in qctx->quota_dict with that in the quota inode
622 * on disk and updates the limits in qctx->quota_dict. 'usage_inconsistent' is
623 * set to 1 if the supplied and on-disk quota usage values are not identical.
624 */
quota_compare_and_update(quota_ctx_t qctx,enum quota_type qtype,int * usage_inconsistent)625 errcode_t quota_compare_and_update(quota_ctx_t qctx, enum quota_type qtype,
626 int *usage_inconsistent)
627 {
628 struct quota_handle qh;
629 struct scan_dquots_data scan_data;
630 struct dquot *dq;
631 dnode_t *n;
632 dict_t *dict = qctx->quota_dict[qtype];
633 errcode_t err = 0;
634
635 if (!dict)
636 goto out;
637
638 err = quota_file_open(qctx, &qh, 0, qtype, -1, 0);
639 if (err) {
640 log_debug("Open quota file failed");
641 goto out;
642 }
643
644 scan_data.quota_dict = qctx->quota_dict[qtype];
645 scan_data.update_limits = 1;
646 scan_data.update_usage = 0;
647 scan_data.check_consistency = 1;
648 scan_data.usage_is_inconsistent = 0;
649 err = qh.qh_ops->scan_dquots(&qh, scan_dquots_callback, &scan_data);
650 if (err) {
651 log_debug("Error scanning dquots");
652 *usage_inconsistent = 1;
653 goto out_close_qh;
654 }
655
656 for (n = dict_first(dict); n; n = dict_next(dict, n)) {
657 dq = dnode_get(n);
658 if (!dq)
659 continue;
660 if ((dq->dq_flags & DQF_SEEN) == 0) {
661 fprintf(stderr, "[QUOTA WARNING] "
662 "Missing quota entry ID %d\n", dq->dq_id);
663 scan_data.usage_is_inconsistent = 1;
664 }
665 }
666 *usage_inconsistent = scan_data.usage_is_inconsistent;
667
668 out_close_qh:
669 err = quota_file_close(qctx, &qh);
670 if (err) {
671 log_debug("Cannot close quotafile: %s", error_message(errno));
672 if (qh.qh_qf.e2_file)
673 ext2fs_file_close(qh.qh_qf.e2_file);
674 }
675 out:
676 return err;
677 }
678
parse_quota_opts(const char * opts,int (* func)(char *))679 int parse_quota_opts(const char *opts, int (*func)(char *))
680 {
681 char *buf, *token, *next, *p;
682 int len;
683 int ret = 0;
684
685 len = strlen(opts);
686 buf = malloc(len + 1);
687 if (!buf) {
688 fprintf(stderr,
689 "Couldn't allocate memory to parse quota options!\n");
690 return -ENOMEM;
691 }
692 strcpy(buf, opts);
693 for (token = buf; token && *token; token = next) {
694 p = strchr(token, ',');
695 next = 0;
696 if (p) {
697 *p = 0;
698 next = p + 1;
699 }
700 ret = func(token);
701 if (ret)
702 break;
703 }
704 free(buf);
705 return ret;
706 }
707