summaryrefslogtreecommitdiff
path: root/src/tmpfiles.c
blob: 3dabe4692016112bb7e512a8a9d1bb76f7478b41 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

/***
  This file is part of systemd.

  Copyright 2010 Lennart Poettering, Kay Sievers

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  systemd is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <limits.h>
#include <dirent.h>
#include <grp.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <getopt.h>
#include <stdbool.h>
#include <time.h>
#include <sys/types.h>
#include <sys/param.h>
#include <glob.h>
#include <fnmatch.h>

#include "log.h"
#include "util.h"
#include "strv.h"
#include "label.h"
#include "set.h"

/* This reads all files listed in /etc/tmpfiles.d/?*.conf and creates
 * them in the file system. This is intended to be used to create
 * properly owned directories beneath /tmp, /var/tmp, /var/run and
 * /var/lock which are volatile and hence need to be recreated on
 * bootup. */

enum {
        /* These ones take file names */
        CREATE_FILE = 'f',
        TRUNCATE_FILE = 'F',
        CREATE_DIRECTORY = 'd',
        TRUNCATE_DIRECTORY = 'D',

        /* These ones take globs */
        IGNORE_PATH = 'x',
        REMOVE_PATH = 'r',
        RECURSIVE_REMOVE_PATH = 'R'
};

typedef struct Item {
        char type;

        char *path;
        uid_t uid;
        gid_t gid;
        mode_t mode;
        usec_t age;

        bool uid_set:1;
        bool gid_set:1;
        bool mode_set:1;
        bool age_set:1;
} Item;

static Hashmap *items = NULL, *globs = NULL;

static bool arg_create = false;
static bool arg_clean = false;
static bool arg_remove = false;

#define MAX_DEPTH 256

static bool needs_glob(int t) {
        return t == IGNORE_PATH || t == REMOVE_PATH || t == RECURSIVE_REMOVE_PATH;
}

static struct Item* find_glob(Hashmap *h, const char *match) {
        Item *j;
        Iterator i;

        HASHMAP_FOREACH(j, h, i)
                if (fnmatch(j->path, match, FNM_PATHNAME|FNM_PERIOD) == 0)
                        return j;

        return NULL;
}

static int dir_cleanup(
                const char *p,
                DIR *d,
                const struct stat *ds,
                usec_t cutoff,
                dev_t rootdev,
                bool mountpoint,
                int maxdepth)
{
        struct dirent *dent;
        struct timespec times[2];
        bool deleted = false;
        char *sub_path = NULL;
        int r = 0;

        while ((dent = readdir(d))) {
                struct stat s;
                usec_t age;

                if (streq(dent->d_name, ".") ||
                    streq(dent->d_name, ".."))
                        continue;

                if (fstatat(dirfd(d), dent->d_name, &s, AT_SYMLINK_NOFOLLOW) < 0) {

                        if (errno != ENOENT) {
                                log_error("stat(%s/%s) failed: %m", p, dent->d_name);
                                r = -errno;
                        }

                        continue;
                }

                /* Stay on the same filesystem */
                if (s.st_dev != rootdev)
                        continue;

                /* Do not delete read-only files owned by root */
                if (s.st_uid == 0 && !(s.st_mode & S_IWUSR))
                        continue;

                free(sub_path);
                sub_path = NULL;

                if (asprintf(&sub_path, "%s/%s", p, dent->d_name) < 0) {
                        log_error("Out of memory");
                        r = -ENOMEM;
                        goto finish;
                }

                /* Is there an item configured for this path? */
                if (hashmap_get(items, sub_path))
                        continue;

                if (find_glob(globs, sub_path))
                        continue;

                if (S_ISDIR(s.st_mode)) {

                        if (mountpoint &&
                            streq(dent->d_name, "lost+found") &&
                            s.st_uid == 0)
                                continue;

                        if (maxdepth <= 0)
                                log_warning("Reached max depth on %s.", sub_path);
                        else {
                                DIR *sub_dir;
                                int q;

                                sub_dir = xopendirat(dirfd(d), dent->d_name, O_NOFOLLOW);
                                if (sub_dir == NULL) {
                                        if (errno != ENOENT) {
                                                log_error("opendir(%s/%s) failed: %m", p, dent->d_name);
                                                r = -errno;
                                        }

                                        continue;
                                }

                                q = dir_cleanup(sub_path, sub_dir, &s, cutoff, rootdev, false, maxdepth-1);
                                closedir(sub_dir);

                                if (q < 0)
                                        r = q;
                        }

                        /* Ignore ctime, we change it when deleting */
                        age = MAX(timespec_load(&s.st_mtim),
                                  timespec_load(&s.st_atim));
                        if (age >= cutoff)
                                continue;

                        log_debug("rmdir '%s'\n", sub_path);

                        if (unlinkat(dirfd(d), dent->d_name, AT_REMOVEDIR) < 0) {
                                if (errno != ENOENT && errno != ENOTEMPTY) {
                                        log_error("rmdir(%s): %m", sub_path);
                                        r = -errno;
                                }
                        }

                } else {
                        /* Skip files for which the sticky bit is
                         * set. These are semantics we define, and are
                         * unknown elsewhere. See XDG_RUNTIME_DIR
                         * specification for details. */
                        if (s.st_mode & S_ISVTX)
                                continue;

                        if (mountpoint) {
                                if (streq(dent->d_name, ".journal") &&
                                    s.st_uid == 0)
                                        continue;

                                if (streq(dent->d_name, "aquota.user") ||
                                    streq(dent->d_name, "aquota.group"))
                                        continue;
                        }

                        age = MAX3(timespec_load(&s.st_mtim),
                                   timespec_load(&s.st_atim),
                                   timespec_load(&s.st_ctim));

                        if (age >= cutoff)
                                continue;

                        log_debug("unlink '%s'\n", sub_path);

                        if (unlinkat(dirfd(d), dent->d_name, 0) < 0) {
                                if (errno != ENOENT) {
                                        log_error("unlink(%s): %m", sub_path);
                                        r = -errno;
                                }
                        }

                        deleted = true;
                }
        }

finish:
        if (deleted) {
                /* Restore original directory timestamps */
                times[0] = ds->st_atim;
                times[1] = ds->st_mtim;

                if (futimens(dirfd(d), times) < 0)
                        log_error("utimensat(%s): %m", p);
        }

        free(sub_path);

        return r;
}

static int clean_item(Item *i) {
        DIR *d;
        struct stat s, ps;
        bool mountpoint;
        int r;
        usec_t cutoff, n;

        assert(i);

        if (i->type != CREATE_DIRECTORY &&
            i->type != TRUNCATE_DIRECTORY &&
            i->type != IGNORE_PATH)
                return 0;

        if (!i->age_set || i->age <= 0)
                return 0;

        n = now(CLOCK_REALTIME);
        if (n < i->age)
                return 0;

        cutoff = n - i->age;

        d = opendir(i->path);
        if (!d) {
                if (errno == ENOENT)
                        return 0;

                log_error("Failed to open directory %s: %m", i->path);
                return -errno;
        }

        if (fstat(dirfd(d), &s) < 0) {
                log_error("stat(%s) failed: %m", i->path);
                r = -errno;
                goto finish;
        }

        if (!S_ISDIR(s.st_mode)) {
                log_error("%s is not a directory.", i->path);
                r = -ENOTDIR;
                goto finish;
        }

        if (fstatat(dirfd(d), "..", &ps, AT_SYMLINK_NOFOLLOW) != 0) {
                log_error("stat(%s/..) failed: %m", i->path);
                r = -errno;
                goto finish;
        }

        mountpoint = s.st_dev != ps.st_dev ||
                     (s.st_dev == ps.st_dev && s.st_ino == ps.st_ino);

        r = dir_cleanup(i->path, d, &s, cutoff, s.st_dev, mountpoint, MAX_DEPTH);

finish:
        if (d)
                closedir(d);

        return r;
}

static int create_item(Item *i) {
        int fd = -1, r;
        mode_t u;
        struct stat st;

        assert(i);

        switch (i->type) {

        case IGNORE_PATH:
        case REMOVE_PATH:
        case RECURSIVE_REMOVE_PATH:
                return 0;

        case CREATE_FILE:
        case TRUNCATE_FILE:

                u = umask(0);
                fd = open(i->path, O_CREAT|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY|O_NOFOLLOW|
                          (i->type == TRUNCATE_FILE ? O_TRUNC : 0), i->mode);
                umask(u);

                if (fd < 0) {
                        log_error("Failed to create file %s: %m", i->path);
                        r = -errno;
                        goto finish;
                }

                if (fstat(fd, &st) < 0) {
                        log_error("stat(%s) failed: %m", i->path);
                        r = -errno;
                        goto finish;
                }

                if (!S_ISREG(st.st_mode)) {
                        log_error("%s is not a file.", i->path);
                        r = -EEXIST;
                        goto finish;
                }

                if (i->mode_set)
                        if (fchmod(fd, i->mode) < 0) {
                                log_error("chmod(%s) failed: %m", i->path);
                                r = -errno;
                                goto finish;
                        }

                if (i->uid_set || i->gid_set)
                        if (fchown(fd,
                                   i->uid_set ? i->uid : (uid_t) -1,
                                   i->gid_set ? i->gid : (gid_t) -1) < 0) {
                                log_error("chown(%s) failed: %m", i->path);
                                r = -errno;
                                goto finish;
                        }

                break;

        case TRUNCATE_DIRECTORY:
        case CREATE_DIRECTORY:

                u = umask(0);
                r = mkdir(i->path, i->mode);
                umask(u);

                if (r < 0 && errno != EEXIST) {
                        log_error("Failed to create directory %s: %m", i->path);
                        r = -errno;
                        goto finish;
                }

                if (stat(i->path, &st) < 0) {
                        log_error("stat(%s) failed: %m", i->path);
                        r = -errno;
                        goto finish;
                }

                if (!S_ISDIR(st.st_mode)) {
                        log_error("%s is not a directory.", i->path);
                        r = -EEXIST;
                        goto finish;
                }

                if (i->mode_set)
                        if (chmod(i->path, i->mode) < 0) {
                                log_error("chmod(%s) failed: %m", i->path);
                                r = -errno;
                                goto finish;
                        }

                if (i->uid_set || i->gid_set)
                        if (chown(i->path,
                                  i->uid_set ? i->uid : (uid_t) -1,
                                  i->gid_set ? i->gid : (gid_t) -1) < 0) {

                                log_error("chown(%s) failed: %m", i->path);
                                r = -errno;
                                goto finish;
                        }

                break;
        }

        if ((r = label_fix(i->path)) < 0)
                goto finish;

        log_debug("%s created successfully.", i->path);

finish:
        if (fd >= 0)
                close_nointr_nofail(fd);

        return r;
}

static int remove_item(Item *i, const char *instance) {
        int r;

        assert(i);

        switch (i->type) {

        case CREATE_FILE:
        case TRUNCATE_FILE:
        case CREATE_DIRECTORY:
        case IGNORE_PATH:
                break;

        case REMOVE_PATH:
                if (remove(instance) < 0 && errno != ENOENT) {
                        log_error("remove(%s): %m", instance);
                        return -errno;
                }

                break;

        case TRUNCATE_DIRECTORY:
        case RECURSIVE_REMOVE_PATH:
                if ((r = rm_rf(instance, false, i->type == RECURSIVE_REMOVE_PATH)) < 0 &&
                    r != -ENOENT) {
                        log_error("rm_rf(%s): %s", instance, strerror(-r));
                        return r;
                }

                break;
        }

        return 0;
}

static int remove_item_glob(Item *i) {
        assert(i);

        switch (i->type) {

        case CREATE_FILE:
        case TRUNCATE_FILE:
        case CREATE_DIRECTORY:
        case IGNORE_PATH:
                break;

        case REMOVE_PATH:
        case TRUNCATE_DIRECTORY:
        case RECURSIVE_REMOVE_PATH: {
                int r = 0, k;
                glob_t g;
                char **fn;

                zero(g);

                errno = 0;
                if ((k = glob(i->path, GLOB_NOSORT|GLOB_BRACE, NULL, &g)) != 0) {

                        if (k != GLOB_NOMATCH) {
                                if (errno != 0)
                                        errno = EIO;

                                log_error("glob(%s) failed: %m", i->path);
                                return -errno;
                        }
                }

                STRV_FOREACH(fn, g.gl_pathv)
                        if ((k = remove_item(i, *fn)) < 0)
                                r = k;

                globfree(&g);
                return r;
        }
        }

        return 0;
}

static int process_item(Item *i) {
        int r, q, p;

        assert(i);

        r = arg_create ? create_item(i) : 0;
        q = arg_remove ? remove_item_glob(i) : 0;
        p = arg_clean ? clean_item(i) : 0;

        if (r < 0)
                return r;

        if (q < 0)
                return q;

        return p;
}

static void item_free(Item *i) {
        assert(i);

        free(i->path);
        free(i);
}

static int parse_line(const char *fname, unsigned line, const char *buffer, const char *prefix) {
        Item *i;
        char *mode = NULL, *user = NULL, *group = NULL, *age = NULL;
        int r;

        assert(fname);
        assert(line >= 1);
        assert(buffer);

        if (!(i = new0(Item, 1))) {
                log_error("Out of memory");
                return -ENOMEM;
        }

        if (sscanf(buffer,
                   "%c "
                   "%ms "
                   "%ms "
                   "%ms "
                   "%ms "
                   "%ms",
                   &i->type,
                   &i->path,
                   &mode,
                   &user,
                   &group,
                   &age) < 2) {
                log_error("[%s:%u] Syntax error.", fname, line);
                r = -EIO;
                goto finish;
        }

        if (i->type != CREATE_FILE &&
            i->type != TRUNCATE_FILE &&
            i->type != CREATE_DIRECTORY &&
            i->type != TRUNCATE_DIRECTORY &&
            i->type != IGNORE_PATH &&
            i->type != REMOVE_PATH &&
            i->type != RECURSIVE_REMOVE_PATH) {
                log_error("[%s:%u] Unknown file type '%c'.", fname, line, i->type);
                r = -EBADMSG;
                goto finish;
        }

        if (!path_is_absolute(i->path)) {
                log_error("[%s:%u] Path '%s' not absolute.", fname, line, i->path);
                r = -EBADMSG;
                goto finish;
        }

        path_kill_slashes(i->path);

        if (prefix && !path_startswith(i->path, prefix)) {
                r = 0;
                goto finish;
        }

        if (user && !streq(user, "-")) {
                unsigned long lu;
                struct passwd *p;

                if (streq(user, "root") || streq(user, "0"))
                        i->uid = 0;
                else if (safe_atolu(user, &lu) >= 0)
                        i->uid = (uid_t) lu;
                else if ((p = getpwnam(user)))
                        i->uid = p->pw_uid;
                else {
                        log_error("[%s:%u] Unknown user '%s'.", fname, line, user);
                        r = -ENOENT;
                        goto finish;
                }

                i->uid_set = true;
        }

        if (group && !streq(group, "-")) {
                unsigned long lu;
                struct group *g;

                if (streq(group, "root") || streq(group, "0"))
                        i->gid = 0;
                else if (safe_atolu(group, &lu) >= 0)
                        i->gid = (gid_t) lu;
                else if ((g = getgrnam(group)))
                        i->gid = g->gr_gid;
                else {
                        log_error("[%s:%u] Unknown group '%s'.", fname, line, group);
                        r = -ENOENT;
                        goto finish;
                }

                i->gid_set = true;
        }

        if (mode && !streq(mode, "-")) {
                unsigned m;

                if (sscanf(mode, "%o", &m) != 1) {
                        log_error("[%s:%u] Invalid mode '%s'.", fname, line, mode);
                        r = -ENOENT;
                        goto finish;
                }

                i->mode = m;
                i->mode_set = true;
        } else
                i->mode = i->type == CREATE_DIRECTORY ? 0755 : 0644;

        if (age && !streq(age, "-")) {
                if (parse_usec(age, &i->age) < 0) {
                        log_error("[%s:%u] Invalid age '%s'.", fname, line, age);
                        r = -EBADMSG;
                        goto finish;
                }

                i->age_set = true;
        }

        if ((r = hashmap_put(needs_glob(i->type) ? globs : items, i->path, i)) < 0) {
                if (r == -EEXIST) {
                        log_warning("Two or more conflicting lines for %s configured, ignoring.", i->path);
                        r = 0;
                        goto finish;
                }

                log_error("Failed to insert item %s: %s", i->path, strerror(-r));
                goto finish;
        }

        i = NULL;
        r = 0;

finish:
        free(user);
        free(group);
        free(mode);
        free(age);

        if (i)
                item_free(i);

        return r;
}

static int scandir_filter(const struct dirent *d) {
        assert(d);

        if (ignore_file(d->d_name))
                return 0;

        if (d->d_type != DT_REG &&
            d->d_type != DT_LNK)
                return 0;

        return endswith(d->d_name, ".conf");
}

static int help(void) {

        printf("%s [OPTIONS...]\n\n"
               "Create and clean up temporary directories.\n\n"
               "  -h --help             Show this help\n"
               "     --create           Create marked files/directories\n"
               "     --clean            Clean up marked directories\n"
               "     --remove           Remove marked files/directories\n",
               program_invocation_short_name);

        return 0;
}

static int parse_argv(int argc, char *argv[]) {

        enum {
                ARG_CREATE,
                ARG_CLEAN,
                ARG_REMOVE
        };

        static const struct option options[] = {
                { "help",      no_argument,       NULL, 'h'           },
                { "create",    no_argument,       NULL, ARG_CREATE    },
                { "clean",     no_argument,       NULL, ARG_CLEAN     },
                { "remove",    no_argument,       NULL, ARG_REMOVE    },
                { NULL,        0,                 NULL, 0             }
        };

        int c;

        assert(argc >= 0);
        assert(argv);

        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {

                switch (c) {

                case 'h':
                        help();
                        return 0;

                case ARG_CREATE:
                        arg_create = true;
                        break;

                case ARG_CLEAN:
                        arg_clean = true;
                        break;

                case ARG_REMOVE:
                        arg_remove = true;
                        break;

                case '?':
                        return -EINVAL;

                default:
                        log_error("Unknown option code %c", c);
                        return -EINVAL;
                }
        }

        if (!arg_clean && !arg_create && !arg_remove) {
                help();
                return -EINVAL;
        }

        return 1;
}

int main(int argc, char *argv[]) {
        struct dirent **de = NULL;
        int r, n, j;
        const char *prefix = NULL;
        Item *i;
        Iterator iterator;

        if ((r = parse_argv(argc, argv)) <= 0)
                return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;

        if (optind < argc)
                prefix = argv[optind];
        else
                prefix = "/";

        log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
        log_parse_environment();
        log_open();

        label_init();

        items = hashmap_new(string_hash_func, string_compare_func);
        globs = hashmap_new(string_hash_func, string_compare_func);

        if (!items || !globs) {
                log_error("Out of memory");
                r = EXIT_FAILURE;
                goto finish;
        }

        if ((n = scandir("/etc/tmpfiles.d/", &de, scandir_filter, alphasort)) < 0) {

                if (errno == ENOENT)
                        r = EXIT_SUCCESS;
                else {
                        log_error("Failed to enumerate /etc/tmpfiles.d/ files: %m");
                        r = EXIT_FAILURE;
                }

                goto finish;
        }

        r = EXIT_SUCCESS;

        for (j = 0; j < n; j++) {
                int k;
                char *fn;
                FILE *f;
                unsigned v;

                k = asprintf(&fn, "/etc/tmpfiles.d/%s", de[j]->d_name);
                free(de[j]);

                if (k < 0) {
                        log_error("Failed to allocate file name.");
                        r = EXIT_FAILURE;
                        continue;
                }

                if (!(f = fopen(fn, "re"))) {

                        if (errno != ENOENT) {
                                log_error("Failed to open %s: %m", fn);
                                r = EXIT_FAILURE;
                        }

                        free(fn);
                        continue;
                }

                v = 0;
                for (;;) {
                        char line[LINE_MAX], *l;

                        if (!(fgets(line, sizeof(line), f)))
                                break;

                        v++;

                        l = strstrip(line);
                        if (*l == '#' || *l == 0)
                                continue;

                        if (parse_line(fn, v, l, prefix) < 0)
                                r = EXIT_FAILURE;
                }

                if (ferror(f)) {
                        r = EXIT_FAILURE;
                        log_error("Failed to read from file %s: %m", fn);
                }

                free(fn);

                fclose(f);
        }

        free(de);

        HASHMAP_FOREACH(i, globs, iterator)
                if (process_item(i) < 0)
                        r = EXIT_FAILURE;

        HASHMAP_FOREACH(i, items, iterator)
                if (process_item(i) < 0)
                        r = EXIT_FAILURE;

finish:
        while ((i = hashmap_steal_first(items)))
                item_free(i);

        hashmap_free(items);
        hashmap_free(globs);

        label_finish();

        return r;
}