vfs: Make function pointer names consistent. They all end in _fn
[Samba/gebeck_regimport.git] / source3 / utils / net_idmap.c
blob3a3ae21f07323096da901633fd38abaa16b35804
1 /*
2 Samba Unix/Linux SMB client library
3 Distributed SMB/CIFS Server Management Utility
4 Copyright (C) 2003 Andrew Bartlett (abartlet@samba.org)
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "includes.h"
21 #include "system/filesys.h"
22 #include "utils/net.h"
23 #include "secrets.h"
24 #include "idmap.h"
25 #include "dbwrap/dbwrap.h"
26 #include "dbwrap/dbwrap_open.h"
27 #include "../libcli/security/security.h"
28 #include "net_idmap_check.h"
29 #include "util_tdb.h"
31 #define ALLOC_CHECK(mem) do { \
32 if (!mem) { \
33 d_fprintf(stderr, _("Out of memory!\n")); \
34 talloc_free(ctx); \
35 return -1; \
36 } } while(0)
38 /***********************************************************
39 Helper function for net_idmap_dump. Dump one entry.
40 **********************************************************/
41 static int net_idmap_dump_one_entry(struct db_record *rec,
42 void *unused)
44 TDB_DATA key;
45 TDB_DATA value;
47 key = dbwrap_record_get_key(rec);
48 value = dbwrap_record_get_value(rec);
50 if (strcmp((char *)key.dptr, "USER HWM") == 0) {
51 printf(_("USER HWM %d\n"), IVAL(value.dptr,0));
52 return 0;
55 if (strcmp((char *)key.dptr, "GROUP HWM") == 0) {
56 printf(_("GROUP HWM %d\n"), IVAL(value.dptr,0));
57 return 0;
60 if (strncmp((char *)key.dptr, "S-", 2) != 0)
61 return 0;
63 printf("%s %s\n", value.dptr, key.dptr);
64 return 0;
67 static const char* net_idmap_dbfile(struct net_context *c)
69 const char* dbfile = NULL;
71 if (c->opt_db != NULL) {
72 dbfile = talloc_strdup(talloc_tos(), c->opt_db);
73 if (dbfile == NULL) {
74 d_fprintf(stderr, _("Out of memory!\n"));
76 } else if (strequal(lp_idmap_backend(), "tdb")) {
77 dbfile = state_path("winbindd_idmap.tdb");
78 if (dbfile == NULL) {
79 d_fprintf(stderr, _("Out of memory!\n"));
81 } else if (strequal(lp_idmap_backend(), "tdb2")) {
82 dbfile = lp_parm_talloc_string(-1, "tdb", "idmap2.tdb", NULL);
83 if (dbfile == NULL) {
84 dbfile = talloc_asprintf(talloc_tos(), "%s/idmap2.tdb",
85 lp_private_dir());
87 if (dbfile == NULL) {
88 d_fprintf(stderr, _("Out of memory!\n"));
90 } else {
91 char* backend = talloc_strdup(talloc_tos(), lp_idmap_backend());
92 char* args = strchr(backend, ':');
93 if (args != NULL) {
94 *args = '\0';
97 d_printf(_("Sorry, 'idmap backend = %s' is currently not supported\n"),
98 backend);
100 talloc_free(backend);
103 return dbfile;
106 /***********************************************************
107 Dump the current idmap
108 **********************************************************/
109 static int net_idmap_dump(struct net_context *c, int argc, const char **argv)
111 struct db_context *db;
112 TALLOC_CTX *mem_ctx;
113 const char* dbfile;
114 NTSTATUS status;
115 int ret = -1;
117 if ( argc > 1 || c->display_usage) {
118 d_printf("%s\n%s",
119 _("Usage:"),
120 _("net idmap dump [[--db=]<inputfile>]\n"
121 " Dump current ID mapping.\n"
122 " inputfile\tTDB file to read mappings from.\n"));
123 return c->display_usage?0:-1;
126 mem_ctx = talloc_stackframe();
128 dbfile = (argc > 0) ? argv[0] : net_idmap_dbfile(c);
129 if (dbfile == NULL) {
130 goto done;
132 d_fprintf(stderr, _("dumping id mapping from %s\n"), dbfile);
134 db = db_open(mem_ctx, dbfile, 0, TDB_DEFAULT, O_RDONLY, 0);
135 if (db == NULL) {
136 d_fprintf(stderr, _("Could not open idmap db (%s): %s\n"),
137 dbfile, strerror(errno));
138 goto done;
141 status = dbwrap_traverse_read(db, net_idmap_dump_one_entry, NULL, NULL);
142 if (!NT_STATUS_IS_OK(status)) {
143 d_fprintf(stderr, _("error traversing the database\n"));
144 ret = -1;
145 goto done;
148 ret = 0;
150 done:
151 talloc_free(mem_ctx);
152 return ret;
155 /***********************************************************
156 Write entries from stdin to current local idmap
157 **********************************************************/
159 static int net_idmap_store_id_mapping(struct db_context *db,
160 enum id_type type,
161 unsigned long idval,
162 const char *sid_string)
164 NTSTATUS status;
165 char *idstr = NULL;
167 switch(type) {
168 case ID_TYPE_UID:
169 idstr = talloc_asprintf(talloc_tos(), "UID %lu", idval);
170 break;
171 case ID_TYPE_GID:
172 idstr = talloc_asprintf(talloc_tos(), "GID %lu", idval);
173 break;
174 default:
175 d_fprintf(stderr, "Invalid id mapping type: %d\n", type);
176 return -1;
179 status = dbwrap_store_bystring(db, idstr,
180 string_term_tdb_data(sid_string),
181 TDB_REPLACE);
182 if (!NT_STATUS_IS_OK(status)) {
183 d_fprintf(stderr, "Error storing ID -> SID: "
184 "%s\n", nt_errstr(status));
185 talloc_free(idstr);
186 return -1;
188 status = dbwrap_store_bystring(db, sid_string,
189 string_term_tdb_data(idstr),
190 TDB_REPLACE);
191 if (!NT_STATUS_IS_OK(status)) {
192 d_fprintf(stderr, "Error storing SID -> ID: "
193 "%s\n", nt_errstr(status));
194 talloc_free(idstr);
195 return -1;
198 return 0;
201 static int net_idmap_restore(struct net_context *c, int argc, const char **argv)
203 TALLOC_CTX *mem_ctx;
204 FILE *input = NULL;
205 struct db_context *db;
206 const char *dbfile = NULL;
207 int ret = 0;
209 if (c->display_usage) {
210 d_printf("%s\n%s",
211 _("Usage:"),
212 _("net idmap restore [--db=<TDB>] [<inputfile>]\n"
213 " Restore ID mappings from file\n"
214 " TDB\tFile to store ID mappings to."
215 " inputfile\tFile to load ID mappings from. If not "
216 "given, load data from stdin.\n"));
217 return 0;
220 mem_ctx = talloc_stackframe();
222 dbfile = net_idmap_dbfile(c);
224 if (dbfile == NULL) {
225 ret = -1;
226 goto done;
229 d_fprintf(stderr, _("restoring id mapping to %s\n"), dbfile);
231 if (argc == 1) {
232 input = fopen(argv[0], "r");
233 if (input == NULL) {
234 d_fprintf(stderr, _("Could not open input file (%s): %s\n"),
235 argv[0], strerror(errno));
236 ret = -1;
237 goto done;
239 } else {
240 input = stdin;
243 db = db_open(mem_ctx, dbfile, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0644);
244 if (db == NULL) {
245 d_fprintf(stderr, _("Could not open idmap db (%s): %s\n"),
246 dbfile, strerror(errno));
247 ret = -1;
248 goto done;
251 if (dbwrap_transaction_start(db) != 0) {
252 d_fprintf(stderr, _("Failed to start transaction.\n"));
253 ret = -1;
254 goto done;
257 while (!feof(input)) {
258 char line[128], sid_string[128];
259 int len;
260 unsigned long idval;
261 NTSTATUS status;
263 if (fgets(line, 127, input) == NULL)
264 break;
266 len = strlen(line);
268 if ( (len > 0) && (line[len-1] == '\n') )
269 line[len-1] = '\0';
271 if (sscanf(line, "GID %lu %128s", &idval, sid_string) == 2)
273 ret = net_idmap_store_id_mapping(db, ID_TYPE_GID,
274 idval, sid_string);
275 if (ret != 0) {
276 break;
278 } else if (sscanf(line, "UID %lu %128s", &idval, sid_string) == 2)
280 ret = net_idmap_store_id_mapping(db, ID_TYPE_UID,
281 idval, sid_string);
282 if (ret != 0) {
283 break;
285 } else if (sscanf(line, "USER HWM %lu", &idval) == 1) {
286 status = dbwrap_store_int32(db, "USER HWM", idval);
287 if (!NT_STATUS_IS_OK(status)) {
288 d_fprintf(stderr,
289 _("Could not store USER HWM: %s\n"),
290 nt_errstr(status));
291 break;
293 } else if (sscanf(line, "GROUP HWM %lu", &idval) == 1) {
294 status = dbwrap_store_int32(db, "GROUP HWM", idval);
295 if (!NT_STATUS_IS_OK(status)) {
296 d_fprintf(stderr,
297 _("Could not store GROUP HWM: %s\n"),
298 nt_errstr(status));
299 break;
301 } else {
302 d_fprintf(stderr, _("ignoring invalid line [%s]\n"),
303 line);
304 continue;
308 if (ret == 0) {
309 if(dbwrap_transaction_commit(db) != 0) {
310 d_fprintf(stderr, _("Failed to commit transaction.\n"));
311 ret = -1;
313 } else {
314 if (dbwrap_transaction_cancel(db) != 0) {
315 d_fprintf(stderr, _("Failed to cancel transaction.\n"));
319 done:
320 if ((input != NULL) && (input != stdin)) {
321 fclose(input);
324 talloc_free(mem_ctx);
325 return ret;
328 static
329 NTSTATUS dbwrap_delete_mapping(struct db_context *db, TDB_DATA key1, bool force)
331 TALLOC_CTX* mem_ctx = talloc_tos();
332 struct db_record *rec1=NULL, *rec2=NULL;
333 TDB_DATA key2;
334 bool is_valid_mapping;
335 NTSTATUS status = NT_STATUS_OK;
336 TDB_DATA value;
338 rec1 = dbwrap_fetch_locked(db, mem_ctx, key1);
339 if (rec1 == NULL) {
340 DEBUG(1, ("failed to fetch: %.*s\n", (int)key1.dsize, key1.dptr));
341 status = NT_STATUS_NO_MEMORY;
342 goto done;
344 key2 = dbwrap_record_get_value(rec1);
345 if (key2.dptr == NULL) {
346 DEBUG(1, ("could not find %.*s\n", (int)key1.dsize, key1.dptr));
347 status = NT_STATUS_NOT_FOUND;
348 goto done;
351 DEBUG(2, ("mapping: %.*s -> %.*s\n",
352 (int)key1.dsize, key1.dptr, (int)key2.dsize, key2.dptr));
354 rec2 = dbwrap_fetch_locked(db, mem_ctx, key2);
355 if (rec2 == NULL) {
356 DEBUG(1, ("failed to fetch: %.*s\n", (int)key2.dsize, key2.dptr));
357 status = NT_STATUS_NO_MEMORY;
358 goto done;
361 value = dbwrap_record_get_value(rec2);
362 is_valid_mapping = tdb_data_equal(key1, value);
364 if (!is_valid_mapping) {
365 DEBUG(1, ("invalid mapping: %.*s -> %.*s -> %.*s\n",
366 (int)key1.dsize, key1.dptr, (int)key2.dsize, key2.dptr,
367 (int)value.dsize, value.dptr ));
368 if ( !force ) {
369 status = NT_STATUS_FILE_INVALID;
370 goto done;
374 status = dbwrap_record_delete(rec1);
375 if (!NT_STATUS_IS_OK(status)) {
376 DEBUG(1, ("failed to delete: %.*s\n", (int)key1.dsize, key1.dptr));
377 goto done;
380 if (is_valid_mapping) {
381 status = dbwrap_record_delete(rec2);
382 if (!NT_STATUS_IS_OK(status)) {
383 DEBUG(1, ("failed to delete: %.*s\n", (int)key2.dsize, key2.dptr));
386 done:
387 TALLOC_FREE(rec1);
388 TALLOC_FREE(rec2);
389 return status;
392 static
393 NTSTATUS delete_mapping_action(struct db_context *db, void* data)
395 return dbwrap_delete_mapping(db, *(TDB_DATA*)data, false);
397 static
398 NTSTATUS delete_mapping_action_force(struct db_context *db, void* data)
400 return dbwrap_delete_mapping(db, *(TDB_DATA*)data, true);
403 /***********************************************************
404 Delete a SID mapping from a winbindd_idmap.tdb
405 **********************************************************/
406 static bool delete_args_ok(int argc, const char **argv)
408 if (argc != 1)
409 return false;
410 if (strncmp(argv[0], "S-", 2) == 0)
411 return true;
412 if (strncmp(argv[0], "GID ", 4) == 0)
413 return true;
414 if (strncmp(argv[0], "UID ", 4) == 0)
415 return true;
416 return false;
419 static int net_idmap_delete(struct net_context *c, int argc, const char **argv)
421 int ret = -1;
422 struct db_context *db;
423 TALLOC_CTX *mem_ctx;
424 TDB_DATA key;
425 NTSTATUS status;
426 const char* dbfile;
428 if ( !delete_args_ok(argc,argv) || c->display_usage) {
429 d_printf("%s\n%s",
430 _("Usage:"),
431 _("net idmap delete [-f] [--db=<TDB>] <ID>\n"
432 " Delete mapping of ID from TDB.\n"
433 " -f\tforce\n"
434 " TDB\tidmap database\n"
435 " ID\tSID|GID|UID\n"));
436 return c->display_usage ? 0 : -1;
439 mem_ctx = talloc_stackframe();
441 dbfile = net_idmap_dbfile(c);
442 if (dbfile == NULL) {
443 goto done;
445 d_fprintf(stderr, _("deleting id mapping from %s\n"), dbfile);
447 db = db_open(mem_ctx, dbfile, 0, TDB_DEFAULT, O_RDWR, 0);
448 if (db == NULL) {
449 d_fprintf(stderr, _("Could not open idmap db (%s): %s\n"),
450 dbfile, strerror(errno));
451 goto done;
454 key = string_term_tdb_data(argv[0]);
456 status = dbwrap_trans_do(db, (c->opt_force
457 ? delete_mapping_action_force
458 : delete_mapping_action), &key);
460 if (!NT_STATUS_IS_OK(status)) {
461 d_fprintf(stderr, _("could not delete mapping: %s\n"),
462 nt_errstr(status));
463 goto done;
465 ret = 0;
466 done:
467 talloc_free(mem_ctx);
468 return ret;
471 static int net_idmap_set(struct net_context *c, int argc, const char **argv)
473 d_printf("%s\n", _("Not implemented yet"));
474 return -1;
476 static bool idmap_store_secret(const char *backend,
477 const char *domain,
478 const char *identity,
479 const char *secret)
481 char *tmp;
482 int r;
483 bool ret;
485 r = asprintf(&tmp, "IDMAP_%s_%s", backend, domain);
487 if (r < 0) return false;
489 strupper_m(tmp); /* make sure the key is case insensitive */
490 ret = secrets_store_generic(tmp, identity, secret);
492 free(tmp);
493 return ret;
497 static int net_idmap_secret(struct net_context *c, int argc, const char **argv)
499 TALLOC_CTX *ctx;
500 const char *secret;
501 const char *dn;
502 char *domain;
503 char *backend;
504 char *opt = NULL;
505 bool ret;
507 if (argc != 2 || c->display_usage) {
508 d_printf("%s\n%s",
509 _("Usage:\n"),
510 _("net idmap secret <DOMAIN> <secret>\n"
511 " Set the secret for the specified domain\n"
512 " DOMAIN\tDomain to set secret for.\n"
513 " secret\tNew secret to set.\n"));
514 return c->display_usage?0:-1;
517 secret = argv[1];
519 ctx = talloc_new(NULL);
520 ALLOC_CHECK(ctx);
522 domain = talloc_strdup(ctx, argv[0]);
523 ALLOC_CHECK(domain);
525 opt = talloc_asprintf(ctx, "idmap config %s", domain);
526 ALLOC_CHECK(opt);
528 backend = talloc_strdup(ctx, lp_parm_const_string(-1, opt, "backend", "tdb"));
529 ALLOC_CHECK(backend);
531 if ( ( ! backend) || ( ! strequal(backend, "ldap"))) {
532 d_fprintf(stderr,
533 _("The only currently supported backend is LDAP\n"));
534 talloc_free(ctx);
535 return -1;
538 dn = lp_parm_const_string(-1, opt, "ldap_user_dn", NULL);
539 if ( ! dn) {
540 d_fprintf(stderr,
541 _("Missing ldap_user_dn option for domain %s\n"),
542 domain);
543 talloc_free(ctx);
544 return -1;
547 ret = idmap_store_secret("ldap", domain, dn, secret);
549 if ( ! ret) {
550 d_fprintf(stderr, _("Failed to store secret\n"));
551 talloc_free(ctx);
552 return -1;
555 d_printf(_("Secret stored\n"));
556 return 0;
559 static int net_idmap_check(struct net_context *c, int argc, const char **argv)
561 const char* dbfile;
562 struct check_options opts;
564 if ( argc > 1 || c->display_usage) {
565 d_printf("%s\n%s",
566 _("Usage:"),
567 _("net idmap check [-v] [-r] [-a] [-T] [-f] [-l] [[--db=]<TDB>]\n"
568 " Check an idmap database.\n"
569 " --verbose,-v\tverbose\n"
570 " --repair,-r\trepair\n"
571 " --auto,-a\tnoninteractive mode\n"
572 " --test,-T\tdry run\n"
573 " --fore,-f\tforce\n"
574 " --lock,-l\tlock db while doing the check\n"
575 " TDB\tidmap database\n"));
576 return c->display_usage ? 0 : -1;
579 dbfile = (argc > 0) ? argv[0] : net_idmap_dbfile(c);
580 if (dbfile == NULL) {
581 return -1;
583 d_fprintf(stderr, _("check database: %s\n"), dbfile);
585 opts = (struct check_options) {
586 .lock = c->opt_lock || c->opt_long_list_entries,
587 .test = c->opt_testmode,
588 .automatic = c->opt_auto,
589 .verbose = c->opt_verbose,
590 .force = c->opt_force,
591 .repair = c->opt_repair || c->opt_reboot,
594 return net_idmap_check_db(dbfile, &opts);
597 static int net_idmap_aclmapset(struct net_context *c, int argc, const char **argv)
599 TALLOC_CTX *mem_ctx;
600 int result = -1;
601 struct dom_sid src_sid, dst_sid;
602 char *src, *dst;
603 struct db_context *db;
604 struct db_record *rec;
605 NTSTATUS status;
607 if (argc != 3 || c->display_usage) {
608 d_fprintf(stderr, "%s net idmap aclmapset <tdb> "
609 "<src-sid> <dst-sid>\n", _("Usage:"));
610 return -1;
613 if (!(mem_ctx = talloc_init("net idmap aclmapset"))) {
614 d_fprintf(stderr, _("talloc_init failed\n"));
615 return -1;
618 if (!(db = db_open(mem_ctx, argv[0], 0, TDB_DEFAULT,
619 O_RDWR|O_CREAT, 0600))) {
620 d_fprintf(stderr, _("db_open failed: %s\n"), strerror(errno));
621 goto fail;
624 if (!string_to_sid(&src_sid, argv[1])) {
625 d_fprintf(stderr, _("%s is not a valid sid\n"), argv[1]);
626 goto fail;
629 if (!string_to_sid(&dst_sid, argv[2])) {
630 d_fprintf(stderr, _("%s is not a valid sid\n"), argv[2]);
631 goto fail;
634 if (!(src = sid_string_talloc(mem_ctx, &src_sid))
635 || !(dst = sid_string_talloc(mem_ctx, &dst_sid))) {
636 d_fprintf(stderr, _("talloc_strdup failed\n"));
637 goto fail;
640 if (!(rec = dbwrap_fetch_locked(
641 db, mem_ctx, string_term_tdb_data(src)))) {
642 d_fprintf(stderr, _("could not fetch db record\n"));
643 goto fail;
646 status = dbwrap_record_store(rec, string_term_tdb_data(dst), 0);
647 TALLOC_FREE(rec);
649 if (!NT_STATUS_IS_OK(status)) {
650 d_fprintf(stderr, _("could not store record: %s\n"),
651 nt_errstr(status));
652 goto fail;
655 result = 0;
656 fail:
657 TALLOC_FREE(mem_ctx);
658 return result;
661 /***********************************************************
662 Look at the current idmap
663 **********************************************************/
664 int net_idmap(struct net_context *c, int argc, const char **argv)
666 struct functable func[] = {
668 "dump",
669 net_idmap_dump,
670 NET_TRANSPORT_LOCAL,
671 N_("Dump the current ID mappings"),
672 N_("net idmap dump\n"
673 " Dump the current ID mappings")
676 "restore",
677 net_idmap_restore,
678 NET_TRANSPORT_LOCAL,
679 N_("Restore entries from stdin"),
680 N_("net idmap restore\n"
681 " Restore entries from stdin")
684 "setmap",
685 net_idmap_set,
686 NET_TRANSPORT_LOCAL,
687 N_("Not implemented yet"),
688 N_("net idmap setmap\n"
689 " Not implemented yet")
692 "delete",
693 net_idmap_delete,
694 NET_TRANSPORT_LOCAL,
695 N_("Delete ID mapping"),
696 N_("net idmap delete <ID>\n"
697 " Delete ID mapping")
700 "secret",
701 net_idmap_secret,
702 NET_TRANSPORT_LOCAL,
703 N_("Set secret for specified domain"),
704 N_("net idmap secret <DOMAIN> <secret>\n"
705 " Set secret for specified domain")
708 "aclmapset",
709 net_idmap_aclmapset,
710 NET_TRANSPORT_LOCAL,
711 N_("Set acl map"),
712 N_("net idmap aclmapset\n"
713 " Set acl map")
716 "check",
717 net_idmap_check,
718 NET_TRANSPORT_LOCAL,
719 N_("Check id mappings"),
720 N_("net idmap check\n"
721 " Check id mappings")
723 {NULL, NULL, 0, NULL, NULL}
726 return net_run_function(c, argc, argv, "net idmap", func);