summaryrefslogtreecommitdiff
path: root/src/tools/sss_cache.c
blob: 3de122379daa06c46585da16284df092266c9e08 (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
/*
   SSSD

   sss_cache

   Copyright (C) Jan Zeleny <jzeleny@redhat.com>        2011

   This program 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 3 of the License, or
   (at your option) any later version.

   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <stdio.h>
#include <stdlib.h>
#include <talloc.h>
#include <popt.h>
#include <sys/types.h>

#include "util/util.h"
#include "tools/sss_sync_ops.h"
#include "db/sysdb.h"
#include "db/sysdb_services.h"
#include "db/sysdb_autofs.h"

#define INVALIDATE_NONE 0
#define INVALIDATE_USERS 1
#define INVALIDATE_GROUPS 2
#define INVALIDATE_NETGROUPS 4
#define INVALIDATE_SERVICES 8
#define INVALIDATE_AUTOFSMAPS 16

enum sss_cache_entry {
    TYPE_USER=0,
    TYPE_GROUP,
    TYPE_NETGROUP,
    TYPE_SERVICE,
    TYPE_AUTOFSMAP
};

static errno_t search_autofsmaps(TALLOC_CTX *mem_ctx, struct sysdb_ctx *sysdb,
                                 const char *sub_filter, const char **attrs,
                                 size_t *msgs_count, struct ldb_message ***msgs);

struct cache_tool_ctx {
    struct confdb_ctx *confdb;
    struct sss_domain_info *domains;
    struct sss_names_ctx *nctx;

    char *user_filter;
    char *group_filter;
    char *netgroup_filter;
    char *service_filter;
    char *autofs_filter;

    char *user_name;
    char *group_name;
    char *netgroup_name;
    char *service_name;
    char *autofs_name;

    bool update_user_filter;
    bool update_group_filter;
    bool update_netgroup_filter;
    bool update_service_filter;
    bool update_autofs_filter;
};

errno_t init_domains(struct cache_tool_ctx *ctx, const char *domain);
errno_t init_context(int argc, const char *argv[], struct cache_tool_ctx **tctx);
errno_t invalidate_entry(TALLOC_CTX *ctx, struct sysdb_ctx *sysdb,
                         const char *name, int entry_type);
static bool invalidate_entries(TALLOC_CTX *ctx,
                               struct sss_domain_info *dinfo,
                               struct sysdb_ctx *sysdb,
                               enum sss_cache_entry entry_type,
                               const char *filter, const char *name);
static errno_t update_all_filters(struct cache_tool_ctx *tctx,
                                  char *domain_name);

int main(int argc, const char *argv[])
{
    errno_t ret;
    struct cache_tool_ctx *tctx = NULL;
    struct sysdb_ctx *sysdb;
    bool skipped = true;
    struct sss_domain_info *dinfo;

    ret = init_context(argc, argv, &tctx);
    if (ret != EOK) {
        DEBUG(SSSDBG_CRIT_FAILURE,
              ("Error initializing context for the application\n"));
        goto done;
    }

    for (dinfo = tctx->domains; dinfo; dinfo = dinfo->next) {
        sysdb = dinfo->sysdb;

        /* Update filters for each domain */
        ret = update_all_filters(tctx, dinfo->name);
        if (ret != EOK) {
            DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to update filters.\n"));
            goto done;
        }

        ret = sysdb_transaction_start(sysdb);
        if (ret != EOK) {
            DEBUG(SSSDBG_CRIT_FAILURE, ("Could not start the transaction!\n"));
            goto done;
        }

        skipped &= !invalidate_entries(tctx, dinfo, sysdb, TYPE_USER,
                                   tctx->user_filter, tctx->user_name);
        skipped &= !invalidate_entries(tctx, dinfo, sysdb, TYPE_GROUP,
                                   tctx->group_filter, tctx->group_name);
        skipped &= !invalidate_entries(tctx, dinfo, sysdb, TYPE_NETGROUP,
                                   tctx->netgroup_filter, tctx->netgroup_name);
        skipped &= !invalidate_entries(tctx, dinfo, sysdb, TYPE_SERVICE,
                                   tctx->service_filter, tctx->service_name);
        skipped &= !invalidate_entries(tctx, dinfo, sysdb, TYPE_AUTOFSMAP,
                                   tctx->autofs_filter, tctx->autofs_name);

        ret = sysdb_transaction_commit(sysdb);
        if (ret != EOK) {
            DEBUG(SSSDBG_CRIT_FAILURE, ("Could not commit the transaction!\n"));
            ret = sysdb_transaction_cancel(sysdb);
            if (ret != EOK) {
                DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to cancel transaction\n"));
            }
        }
    }

    if (skipped == true) {
        ERROR("No cache object matched the specified search\n");
        ret = ENOENT;
        goto done;
    } else {
        ret = sss_memcache_clear_all();
        if (ret != EOK) {
            DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to clear memory cache.\n"));
            goto done;
        }
    }

    ret = EOK;
done:
    if (tctx) talloc_free(tctx);
    return ret;
}

static errno_t update_filter(struct cache_tool_ctx *tctx, char *domain_name,
                             char *name, bool update, const char *fmt,
                             char **filter)
{
    errno_t ret;
    char *parsed_domain = NULL;
    char *parsed_name = NULL;

    if (name && update) {
        ret = sss_parse_name(tctx, tctx->nctx, name,
                             &parsed_domain, &parsed_name);
       if (ret != EOK) {
            DEBUG(SSSDBG_CRIT_FAILURE, ("sss_parse_name failed\n"));
            goto done;
        }

        if (parsed_domain) {
            talloc_free(*filter);
            if (!strcmp(domain_name, parsed_domain)) {
                if (fmt) {
                    *filter = talloc_asprintf(tctx, fmt,
                                              SYSDB_NAME, parsed_name);
                } else {
                    *filter = talloc_strdup(tctx, parsed_name);
                }
                if (*filter == NULL) {
                    DEBUG(SSSDBG_CRIT_FAILURE, ("Out of memory\n"));
                    ret = ENOMEM;
                    goto done;
                }
            } else {
               /* Set to NULL to indicate that it will not be used
                * in this domain */
                *filter = NULL;
            }
        } else {
            if (fmt) {
                *filter = talloc_asprintf(tctx, fmt, SYSDB_NAME, name);
            } else {
                *filter = talloc_strdup(tctx, name);
            }
            if (*filter == NULL) {
                DEBUG(SSSDBG_CRIT_FAILURE, ("Out of memory\n"));
                ret = ENOMEM;
                goto done;
            }
        }
    }

    ret = EOK;
done:
    talloc_free(parsed_domain);
    talloc_free(parsed_name);
    return ret;

}

/* This function updates all filters for specified domain using this
 * domains regex to parse string into domain and name (if exists). */
static errno_t update_all_filters(struct cache_tool_ctx *tctx,
                                 char *domain_name)
{
    errno_t ret;

    ret = sss_names_init(tctx, tctx->confdb, domain_name, &tctx->nctx);
    if (ret != EOK) {
        DEBUG(SSSDBG_CRIT_FAILURE, ("sss_names_init() failed\n"));
        return ret;
    }

    /* Update user filter */
    ret = update_filter(tctx, domain_name, tctx->user_name,
                        tctx->update_user_filter, "(%s=%s)",
                        &tctx->user_filter);
    if (ret != EOK) {
        return ret;
    }

    /* Update group filter */
    ret = update_filter(tctx, domain_name, tctx->group_name,
                        tctx->update_group_filter, "(%s=%s)",
                        &tctx->group_filter);
    if (ret != EOK) {
        return ret;
    }

    /* Update netgroup filter */
    ret = update_filter(tctx, domain_name, tctx->netgroup_name,
                        tctx->update_netgroup_filter, "(%s=%s)",
                        &tctx->netgroup_filter);
    if (ret != EOK) {
        return ret;
    }

    /* Update service filter */
    ret = update_filter(tctx, domain_name, tctx->service_name,
                        tctx->update_service_filter, "(%s=%s)",
                        &tctx->service_filter);
    if (ret != EOK) {
        return ret;
    }

    /* Update autofs filter */
    ret = update_filter(tctx, domain_name, tctx->autofs_name,
                        tctx->update_autofs_filter,
                        "(&(objectclass="SYSDB_AUTOFS_MAP_OC")(%s=%s))",
                        &tctx->autofs_filter);
    if (ret != EOK) {
        return ret;
    }

    return EOK;
}

static bool invalidate_entries(TALLOC_CTX *ctx,
                               struct sss_domain_info *dinfo,
                               struct sysdb_ctx *sysdb,
                               enum sss_cache_entry entry_type,
                               const char *filter, const char *name)
{
    const char *attrs[] = {SYSDB_NAME, NULL};
    size_t msg_count;
    struct ldb_message **msgs;
    const char *type_string = "unknown";
    errno_t ret = EINVAL;
    int i;
    const char *c_name;
    bool iret;

    if (!filter) return false;

    switch (entry_type) {
    case TYPE_USER:
        type_string = "user";
        ret = sysdb_search_users(ctx, sysdb, filter, attrs, &msg_count, &msgs);
        break;
    case TYPE_GROUP:
        type_string = "group";
        ret = sysdb_search_groups(ctx, sysdb, filter, attrs, &msg_count, &msgs);
        break;
    case TYPE_NETGROUP:
        type_string = "netgroup";
        ret = sysdb_search_netgroups(ctx, sysdb, filter, attrs, &msg_count, &msgs);
        break;
    case TYPE_SERVICE:
        type_string = "service";
        ret = sysdb_search_services(ctx, sysdb, filter, attrs, &msg_count, &msgs);
        break;
    case TYPE_AUTOFSMAP:
        type_string = "autofs map";
        ret = search_autofsmaps(ctx, sysdb, filter, attrs, &msg_count, &msgs);
        break;
    }

    if (ret != EOK) {
        DEBUG(SSSDBG_MINOR_FAILURE,
              ("Searching for %s in domain %s with filter %s failed\n",
               type_string, dinfo->name, filter));
        if (name) {
            ERROR("No such %1$s named %2$s in domain %3$s, skipping\n",
                  type_string, name, dinfo->name);
        } else {
            ERROR("No objects of type %1$s from domain %2$s in the cache, "
                   "skipping\n", type_string, dinfo->name);
        }
        return false;
    }

    iret = true;
    for (i = 0; i < msg_count; i++) {
        c_name = ldb_msg_find_attr_as_string(msgs[i], SYSDB_NAME, NULL);
        if (c_name == NULL) {
            DEBUG(SSSDBG_MINOR_FAILURE,
                  ("Something bad happened, can't find attribute %s", SYSDB_NAME));
            ERROR("Couldn't invalidate %1$s", type_string);
            iret = false;
        } else {
            ret = invalidate_entry(ctx, sysdb, c_name, entry_type);
            if (ret != EOK) {
                DEBUG(SSSDBG_MINOR_FAILURE,
                      ("Couldn't invalidate %s %s", type_string, c_name));
                ERROR("Couldn't invalidate %1$s %2$s", type_string, c_name);
                iret = false;
            }
        }
    }
    talloc_zfree(msgs);
    return iret;
}

errno_t invalidate_entry(TALLOC_CTX *ctx, struct sysdb_ctx *sysdb,
                         const char *name, int entry_type)
{
    struct sysdb_attrs *sys_attrs = NULL;
    errno_t ret;

    sys_attrs = sysdb_new_attrs(ctx);
    if (sys_attrs) {
        ret = sysdb_attrs_add_time_t(sys_attrs,
                SYSDB_CACHE_EXPIRE, 1);
        if (ret == EOK) {
            switch (entry_type) {
                case TYPE_USER:
                    ret = sysdb_set_user_attr(sysdb, name, sys_attrs,
                                              SYSDB_MOD_REP);
                    break;
                case TYPE_GROUP:
                    ret = sysdb_set_group_attr(sysdb, name, sys_attrs,
                                               SYSDB_MOD_REP);
                    break;
                case TYPE_NETGROUP:
                    ret = sysdb_set_netgroup_attr(sysdb, name,
                            sys_attrs, SYSDB_MOD_REP);
                    break;
                case TYPE_SERVICE:
                    ret = sysdb_set_service_attr(sysdb, name,
                                                 sys_attrs, SYSDB_MOD_REP);
                    break;
                case TYPE_AUTOFSMAP:
                    ret = sysdb_set_autofsmap_attr(sysdb, name,
                                                   sys_attrs, SYSDB_MOD_REP);
                    break;
                default:
                    return EINVAL;
            }
            if (ret != EOK) {
                DEBUG(3, ("Could not set entry attributes\n"));
            }
        } else {
            DEBUG(3, ("Could not add expiration time to attributes\n"));
        }
        talloc_zfree(sys_attrs);
    } else {
        DEBUG(3, ("Could not create sysdb attributes\n"));
        ret = ENOMEM;
    }
    return ret;
}

errno_t init_domains(struct cache_tool_ctx *ctx, const char *domain)
{
    char *confdb_path;
    int ret;

    confdb_path = talloc_asprintf(ctx, "%s/%s", DB_PATH, CONFDB_FILE);
    if (confdb_path == NULL) {
        return ENOMEM;
    }

    /* Connect to the conf db */
    ret = confdb_init(ctx, &ctx->confdb, confdb_path);
    talloc_free(confdb_path);
    if (ret != EOK) {
        DEBUG(1, ("Could not initialize connection to the confdb\n"));
        return ret;
    }

    if (domain) {
        ret = sssd_domain_init(ctx, ctx->confdb,
                               domain, DB_PATH, &ctx->domains);
        if (ret != EOK) {
            SYSDB_VERSION_ERROR(ret);
            DEBUG(1, ("Could not initialize connection to the sysdb\n"));
            return ret;
        }

    } else {
        ret = confdb_get_domains(ctx->confdb, &ctx->domains);
        if (ret != EOK) {
            DEBUG(1, ("Could not initialize domains\n"));
            return ret;
        }

        ret = sysdb_init(ctx, ctx->domains, NULL, false);
        SYSDB_VERSION_ERROR(ret);
        if (ret != EOK) {
            DEBUG(1, ("Could not initialize connection to the sysdb\n"));
            return ret;
        }
    }

    return EOK;
}

errno_t init_context(int argc, const char *argv[], struct cache_tool_ctx **tctx)
{
    struct cache_tool_ctx *ctx = NULL;
    int idb = INVALIDATE_NONE;
    char *user = NULL;
    char *group = NULL;
    char *netgroup = NULL;
    char *service = NULL;
    char *map = NULL;
    char *domain = NULL;
    int debug = SSSDBG_DEFAULT;
    errno_t ret = EOK;

    poptContext pc = NULL;
    struct poptOption long_options[] = {
        POPT_AUTOHELP
        { "debug", '\0', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &debug,
            0, _("The debug level to run with"), NULL },
        { "user", 'u', POPT_ARG_STRING, &user, 0,
            _("Invalidate particular user"), NULL },
        { "users", 'U', POPT_ARG_NONE, NULL, 'u',
            _("Invalidate all users"), NULL },
        { "group", 'g', POPT_ARG_STRING, &group, 0,
            _("Invalidate particular group"), NULL },
        { "groups", 'G', POPT_ARG_NONE, NULL, 'g',
            _("Invalidate all groups"), NULL },
        { "netgroup", 'n', POPT_ARG_STRING, &netgroup, 0,
            _("Invalidate particular netgroup"), NULL },
        { "netgroups", 'N', POPT_ARG_NONE, NULL, 'n',
            _("Invalidate all netgroups"), NULL },
        { "service", 's', POPT_ARG_STRING, &service, 0,
            _("Invalidate particular service"), NULL },
        { "services", 'S', POPT_ARG_NONE, NULL, 's',
            _("Invalidate all services"), NULL },
#ifdef BUILD_AUTOFS
        { "autofs-map", 'a', POPT_ARG_STRING, &map, 0,
            _("Invalidate particular autofs map"), NULL },
        { "autofs-maps", 'A', POPT_ARG_NONE, NULL, 'a',
            _("Invalidate all autofs maps"), NULL },
#endif /* BUILD_AUTOFS */
        { "domain", 'd', POPT_ARG_STRING, &domain, 0,
            _("Only invalidate entries from a particular domain"), NULL },
        POPT_TABLEEND
    };

    ret = set_locale();
    if (ret != EOK) {
        DEBUG(1, ("set_locale failed (%d): %s\n", ret, strerror(ret)));
        ERROR("Error setting the locale\n");
        goto fini;
    }

    pc = poptGetContext(NULL, argc, argv, long_options, 0);
    while ((ret = poptGetNextOpt(pc)) > 0) {
        switch (ret) {
            case 'u':
                idb |= INVALIDATE_USERS;
                break;
            case 'g':
                idb |= INVALIDATE_GROUPS;
                break;
            case 'n':
                idb |= INVALIDATE_NETGROUPS;
                break;
            case 's':
                idb |= INVALIDATE_SERVICES;
                break;
            case 'a':
                idb |= INVALIDATE_AUTOFSMAPS;
                break;
        }
    }

    if (ret != -1) {
        BAD_POPT_PARAMS(pc, poptStrerror(ret), ret, fini);
    }

    if (idb == INVALIDATE_NONE && !user && !group &&
        !netgroup && !service && !map) {
        BAD_POPT_PARAMS(pc,
                _("Please select at least one object to invalidate\n"),
                ret, fini);
    }

    DEBUG_INIT(debug);
    debug_prg_name = argv[0];
    CHECK_ROOT(ret, debug_prg_name);

    ctx = talloc_zero(NULL, struct cache_tool_ctx);
    if (ctx == NULL) {
        DEBUG(1, ("Could not allocate memory for tools context\n"));
        ret = ENOMEM;
        goto fini;
    }

    if (idb & INVALIDATE_USERS) {
        ctx->user_filter = talloc_asprintf(ctx, "(%s=*)", SYSDB_NAME);
        ctx->update_user_filter = false;
    } else if (user) {
        ctx->user_name = talloc_strdup(ctx, user);
        ctx->update_user_filter = true;
    }

    if (idb & INVALIDATE_GROUPS) {
        ctx->group_filter = talloc_asprintf(ctx, "(%s=*)", SYSDB_NAME);
        ctx->update_group_filter = false;
    } else if (group) {
        ctx->group_name = talloc_strdup(ctx, group);
        ctx->update_group_filter = true;
    }

    if (idb & INVALIDATE_NETGROUPS) {
        ctx->netgroup_filter = talloc_asprintf(ctx, "(%s=*)", SYSDB_NAME);
        ctx->update_netgroup_filter = false;
    } else if (netgroup) {
        ctx->netgroup_name = talloc_strdup(ctx, netgroup);
        ctx->update_netgroup_filter = true;
    }

    if (idb & INVALIDATE_SERVICES) {
        ctx->service_filter = talloc_asprintf(ctx, "(%s=*)", SYSDB_NAME);
        ctx->update_service_filter = false;
    } else if (service) {
        ctx->service_name = talloc_strdup(ctx, service);
        ctx->update_service_filter = true;
    }

    if (idb & INVALIDATE_AUTOFSMAPS) {
        ctx->autofs_filter = talloc_asprintf(ctx, "(&(objectclass=%s)(%s=*))",
                                             SYSDB_AUTOFS_MAP_OC, SYSDB_NAME);
        ctx->update_autofs_filter = false;
    } else if (map) {
        ctx->autofs_name = talloc_strdup(ctx, map);
        ctx->update_autofs_filter = true;
    }

    if (((idb & INVALIDATE_USERS) && !ctx->user_filter) ||
        ((idb & INVALIDATE_GROUPS) && !ctx->group_filter) ||
        ((idb & INVALIDATE_NETGROUPS) && !ctx->netgroup_filter) ||
        ((idb & INVALIDATE_SERVICES) && !ctx->service_filter) ||
        ((idb & INVALIDATE_AUTOFSMAPS) && !ctx->autofs_filter) ||
         (user && !ctx->user_name) || (group && !ctx->group_name) ||
         (netgroup && !ctx->netgroup_name) || (map && !ctx->autofs_name) ||
         (service && !ctx->service_name)) {
        DEBUG(1, ("Construction of filters failed\n"));
        ret = ENOMEM;
        goto fini;
    }

    ret = init_domains(ctx, domain);
    if (ret != EOK) {
        if (domain) {
            ERROR("Could not open domain %1$s\n", domain);
        } else {
            ERROR("Could not open available domains\n");
        }
        DEBUG(SSSDBG_OP_FAILURE,
              ("Initialization of sysdb connections failed\n"));
        goto fini;
    }

    ret = EOK;

fini:
    poptFreeContext(pc);
    free(user);
    free(group);
    free(netgroup);
    free(domain);
    if (ret != EOK && ctx) {
        talloc_zfree(ctx);
    }
    if (ret == EOK) {
        *tctx = ctx;
    }
    return ret;
}

static errno_t
search_autofsmaps(TALLOC_CTX *mem_ctx, struct sysdb_ctx *sysdb,
                  const char *sub_filter, const char **attrs,
                  size_t *msgs_count, struct ldb_message ***msgs)
{
#ifdef BUILD_AUTOFS
    return sysdb_search_custom(mem_ctx, sysdb, sub_filter,
                               AUTOFS_MAP_SUBDIR, attrs,
                               msgs_count, msgs);
#else
    return ENOSYS;
#endif  /* BUILD_AUTOFS */
}