Line data Source code
1 : /*
2 : Unix SMB/CIFS implementation.
3 : DSDB schema header
4 :
5 : Copyright (C) Stefan Metzmacher <metze@samba.org> 2006-2007
6 : Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006-2008
7 : Copyright (C) Matthieu Patou <mat@matws.net> 2011
8 :
9 : This program is free software; you can redistribute it and/or modify
10 : it under the terms of the GNU General Public License as published by
11 : the Free Software Foundation; either version 3 of the License, or
12 : (at your option) any later version.
13 :
14 : This program is distributed in the hope that it will be useful,
15 : but WITHOUT ANY WARRANTY; without even the implied warranty of
16 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 : GNU General Public License for more details.
18 :
19 : You should have received a copy of the GNU General Public License
20 : along with this program. If not, see <http://www.gnu.org/licenses/>.
21 :
22 : */
23 :
24 : #include "includes.h"
25 : #include "lib/util/dlinklist.h"
26 : #include "dsdb/samdb/samdb.h"
27 : #include <ldb_module.h>
28 : #include "param/param.h"
29 : #include "librpc/ndr/libndr.h"
30 : #include "librpc/gen_ndr/ndr_misc.h"
31 : #include "lib/util/tsort.h"
32 :
33 : #undef strcasecmp
34 :
35 : /* change this when we change something in our schema code that
36 : * requires a re-index of the database
37 : */
38 : #define SAMDB_INDEXING_VERSION "3"
39 :
40 : /*
41 : override the name to attribute handler function
42 : */
43 926548684 : const struct ldb_schema_attribute *dsdb_attribute_handler_override(struct ldb_context *ldb,
44 : void *private_data,
45 : const char *name)
46 : {
47 926548684 : struct dsdb_schema *schema = talloc_get_type_abort(private_data, struct dsdb_schema);
48 926548684 : const struct dsdb_attribute *a = dsdb_attribute_by_lDAPDisplayName(schema, name);
49 926548684 : if (a == NULL) {
50 : /* this will fall back to ldb internal handling */
51 3243416 : return NULL;
52 : }
53 923097031 : return a->ldb_schema_attribute;
54 : }
55 :
56 : /*
57 : * Set the attribute handlers onto the LDB, and potentially write the
58 : * @INDEXLIST, @IDXONE and @ATTRIBUTES records. The @ATTRIBUTES records
59 : * are required so we can operate on a schema-less database (say the
60 : * backend during emergency fixes) and during the schema load.
61 : */
62 239891 : int dsdb_schema_set_indices_and_attributes(struct ldb_context *ldb,
63 : struct dsdb_schema *schema,
64 : enum schema_set_enum mode)
65 : {
66 239891 : int ret = LDB_SUCCESS;
67 6610 : struct ldb_result *res;
68 6610 : struct ldb_result *res_idx;
69 6610 : struct dsdb_attribute *attr;
70 6610 : struct ldb_message *mod_msg;
71 6610 : TALLOC_CTX *mem_ctx;
72 6610 : struct ldb_message *msg;
73 6610 : struct ldb_message *msg_idx;
74 :
75 6610 : struct loadparm_context *lp_ctx =
76 239891 : talloc_get_type(ldb_get_opaque(ldb, "loadparm"),
77 : struct loadparm_context);
78 239891 : bool guid_indexing = true;
79 239891 : bool declare_ordered_integer_in_attributes = true;
80 6610 : uint32_t pack_format_override;
81 239891 : if (lp_ctx != NULL) {
82 : /*
83 : * GUID indexing is wanted by Samba by default. This allows
84 : * an override in a specific case for downgrades.
85 : */
86 239503 : guid_indexing = lpcfg_parm_bool(lp_ctx,
87 : NULL,
88 : "dsdb",
89 : "guid index",
90 : true);
91 : /*
92 : * If the pack format has been overridden to a previous
93 : * version, then act like ORDERED_INTEGER doesn't exist,
94 : * because it's a new type and we don't want to deal with
95 : * possible issues with databases containing version 1 pack
96 : * format and ordered types.
97 : *
98 : * This approach means that the @ATTRIBUTES will be
99 : * incorrect for integers. Many other @ATTRIBUTES
100 : * values are gross simplifications, but the presence
101 : * of the ORDERED_INTEGER keyword prevents the old
102 : * Samba from starting and then forcing a reindex.
103 : *
104 : * It is too difficult to override the actual index
105 : * formatter, but this doesn't matter in practice.
106 : */
107 246088 : pack_format_override =
108 239503 : (intptr_t)ldb_get_opaque(ldb, "pack_format_override");
109 239503 : if (pack_format_override == LDB_PACKING_FORMAT ||
110 : pack_format_override == LDB_PACKING_FORMAT_NODN) {
111 5 : declare_ordered_integer_in_attributes = false;
112 : }
113 : }
114 : /* setup our own attribute name to schema handler */
115 239891 : ldb_schema_attribute_set_override_handler(ldb, dsdb_attribute_handler_override, schema);
116 239891 : ldb_schema_set_override_indexlist(ldb, true);
117 239891 : if (guid_indexing) {
118 239886 : ldb_schema_set_override_GUID_index(ldb, "objectGUID", "GUID");
119 : }
120 :
121 239891 : if (mode == SCHEMA_MEMORY_ONLY) {
122 224003 : return ret;
123 : }
124 :
125 9555 : mem_ctx = talloc_new(ldb);
126 9555 : if (!mem_ctx) {
127 0 : return ldb_oom(ldb);
128 : }
129 :
130 9555 : msg = ldb_msg_new(mem_ctx);
131 9555 : if (!msg) {
132 0 : ldb_oom(ldb);
133 0 : goto op_error;
134 : }
135 9555 : msg_idx = ldb_msg_new(mem_ctx);
136 9555 : if (!msg_idx) {
137 0 : ldb_oom(ldb);
138 0 : goto op_error;
139 : }
140 9555 : msg->dn = ldb_dn_new(msg, ldb, "@ATTRIBUTES");
141 9555 : if (!msg->dn) {
142 0 : ldb_oom(ldb);
143 0 : goto op_error;
144 : }
145 9555 : msg_idx->dn = ldb_dn_new(msg_idx, ldb, "@INDEXLIST");
146 9555 : if (!msg_idx->dn) {
147 0 : ldb_oom(ldb);
148 0 : goto op_error;
149 : }
150 :
151 9555 : ret = ldb_msg_add_string(msg_idx, "@IDXONE", "1");
152 9555 : if (ret != LDB_SUCCESS) {
153 0 : goto op_error;
154 : }
155 :
156 9555 : if (guid_indexing) {
157 9553 : ret = ldb_msg_add_string(msg_idx, "@IDXGUID", "objectGUID");
158 9553 : if (ret != LDB_SUCCESS) {
159 0 : goto op_error;
160 : }
161 :
162 9553 : ret = ldb_msg_add_string(msg_idx, "@IDX_DN_GUID", "GUID");
163 9553 : if (ret != LDB_SUCCESS) {
164 0 : goto op_error;
165 : }
166 : }
167 :
168 9555 : ret = ldb_msg_add_string(msg_idx, "@SAMDB_INDEXING_VERSION", SAMDB_INDEXING_VERSION);
169 9555 : if (ret != LDB_SUCCESS) {
170 0 : goto op_error;
171 : }
172 :
173 9555 : ret = ldb_msg_add_string(msg_idx, SAMBA_FEATURES_SUPPORTED_FLAG, "1");
174 9555 : if (ret != LDB_SUCCESS) {
175 0 : goto op_error;
176 : }
177 :
178 13910414 : for (attr = schema->attributes; attr; attr = attr->next) {
179 13900859 : const char *syntax = attr->syntax->ldb_syntax;
180 :
181 13900859 : if (!syntax) {
182 7797407 : syntax = attr->syntax->ldap_oid;
183 : }
184 :
185 : /*
186 : * Write out a rough approximation of the schema
187 : * as an @ATTRIBUTES value, for bootstrapping.
188 : * Only write ORDERED_INTEGER if we're using GUID indexes,
189 : */
190 13900859 : if (strcmp(syntax, LDB_SYNTAX_INTEGER) == 0) {
191 0 : ret = ldb_msg_add_string(msg, attr->lDAPDisplayName, "INTEGER");
192 13900859 : } else if (strcmp(syntax, LDB_SYNTAX_ORDERED_INTEGER) == 0) {
193 901148 : if (declare_ordered_integer_in_attributes &&
194 : guid_indexing) {
195 : /*
196 : * The normal production case
197 : */
198 900760 : ret = ldb_msg_add_string(msg,
199 : attr->lDAPDisplayName,
200 : "ORDERED_INTEGER");
201 : } else {
202 : /*
203 : * For this mode, we are going back to
204 : * before GUID indexing so we write it out
205 : * as INTEGER
206 : *
207 : * Down in LDB, the special handler
208 : * (index_format_fn) that made
209 : * ORDERED_INTEGER and INTEGER
210 : * different has been disabled.
211 : */
212 388 : ret = ldb_msg_add_string(msg,
213 : attr->lDAPDisplayName,
214 : "INTEGER");
215 : }
216 12999711 : } else if (strcmp(syntax, LDB_SYNTAX_DIRECTORY_STRING) == 0) {
217 5088362 : ret = ldb_msg_add_string(msg, attr->lDAPDisplayName,
218 : "CASE_INSENSITIVE");
219 : }
220 13900859 : if (ret != LDB_SUCCESS) {
221 0 : break;
222 : }
223 :
224 : /*
225 : * Is the attribute indexed? By treating confidential attributes
226 : * as unindexed, we force searches to go through the unindexed
227 : * search path, avoiding observable timing differences.
228 : */
229 13900859 : if (attr->searchFlags & SEARCH_FLAG_ATTINDEX &&
230 1369688 : !(attr->searchFlags & SEARCH_FLAG_CONFIDENTIAL))
231 : {
232 : /*
233 : * When preparing to downgrade Samba, we need to write
234 : * out an LDB without the new key word ORDERED_INTEGER.
235 : */
236 1409660 : if (strcmp(syntax, LDB_SYNTAX_ORDERED_INTEGER) == 0
237 83733 : && !declare_ordered_integer_in_attributes) {
238 : /*
239 : * Ugly, but do nothing, the best
240 : * thing is to omit the reference
241 : * entirely, the next transaction will
242 : * spot this and rewrite everything.
243 : *
244 : * This way nothing will look at the
245 : * index for this attribute until
246 : * Samba starts and this is all
247 : * rewritten.
248 : */
249 : } else {
250 1409640 : ret = ldb_msg_add_string(msg_idx, "@IDXATTR", attr->lDAPDisplayName);
251 1409640 : if (ret != LDB_SUCCESS) {
252 0 : break;
253 : }
254 : }
255 : }
256 : }
257 :
258 9555 : if (ret != LDB_SUCCESS) {
259 0 : talloc_free(mem_ctx);
260 0 : return ret;
261 : }
262 :
263 : /*
264 : * Try to avoid churning the attributes too much,
265 : * we only want to do this if they have changed
266 : */
267 9555 : ret = ldb_search(ldb, mem_ctx, &res, msg->dn, LDB_SCOPE_BASE, NULL,
268 : NULL);
269 9555 : if (ret == LDB_ERR_NO_SUCH_OBJECT) {
270 205 : if (mode == SCHEMA_COMPARE) {
271 : /* We are probably not in a transaction */
272 0 : goto wrong_mode;
273 : }
274 205 : ret = ldb_add(ldb, msg);
275 9350 : } else if (ret != LDB_SUCCESS) {
276 8863 : } else if (res->count != 1) {
277 6 : if (mode == SCHEMA_COMPARE) {
278 : /* We are probably not in a transaction */
279 0 : goto wrong_mode;
280 : }
281 6 : ret = ldb_add(ldb, msg);
282 : } else {
283 : /* Annoyingly added to our search results */
284 8857 : ldb_msg_remove_attr(res->msgs[0], "distinguishedName");
285 :
286 9086 : ret = ldb_msg_difference(ldb, mem_ctx,
287 8857 : res->msgs[0], msg, &mod_msg);
288 8857 : if (ret != LDB_SUCCESS) {
289 0 : goto op_error;
290 : }
291 8857 : if (mod_msg->num_elements > 0) {
292 : /*
293 : * Do the replace with the difference, as we
294 : * are under the read lock and we wish to do a
295 : * delete of any removed/renamed attributes
296 : */
297 205 : if (mode == SCHEMA_COMPARE) {
298 : /* We are probably not in a transaction */
299 32 : goto wrong_mode;
300 : }
301 173 : ret = dsdb_modify(ldb, mod_msg, 0);
302 : }
303 8825 : talloc_free(mod_msg);
304 : }
305 :
306 9523 : if (ret == LDB_ERR_OPERATIONS_ERROR || ret == LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS || ret == LDB_ERR_INVALID_DN_SYNTAX) {
307 : /* We might be on a read-only DB or LDAP */
308 462 : ret = LDB_SUCCESS;
309 : }
310 9498 : if (ret != LDB_SUCCESS) {
311 0 : DBG_ERR("Failed to set schema into @ATTRIBUTES: %s\n",
312 : ldb_errstring(ldb));
313 0 : talloc_free(mem_ctx);
314 0 : return ret;
315 : }
316 :
317 : /* Now write out the indexes, as found in the schema (if they have changed) */
318 :
319 9523 : ret = ldb_search(ldb, mem_ctx, &res_idx, msg_idx->dn, LDB_SCOPE_BASE,
320 : NULL, NULL);
321 9523 : if (ret == LDB_ERR_NO_SUCH_OBJECT) {
322 205 : if (mode == SCHEMA_COMPARE) {
323 : /* We are probably not in a transaction */
324 0 : goto wrong_mode;
325 : }
326 205 : ret = ldb_add(ldb, msg_idx);
327 9318 : } else if (ret != LDB_SUCCESS) {
328 8831 : } else if (res_idx->count != 1) {
329 6 : if (mode == SCHEMA_COMPARE) {
330 : /* We are probably not in a transaction */
331 0 : goto wrong_mode;
332 : }
333 6 : ret = ldb_add(ldb, msg_idx);
334 : } else {
335 : /* Annoyingly added to our search results */
336 8825 : ldb_msg_remove_attr(res_idx->msgs[0], "distinguishedName");
337 :
338 9043 : ret = ldb_msg_difference(ldb, mem_ctx,
339 8825 : res_idx->msgs[0], msg_idx, &mod_msg);
340 8825 : if (ret != LDB_SUCCESS) {
341 0 : goto op_error;
342 : }
343 :
344 : /*
345 : * We don't want to re-index just because we didn't
346 : * see this flag
347 : *
348 : * DO NOT backport this logic earlier than 4.7, it
349 : * isn't needed and would be dangerous before 4.6,
350 : * where we add logic to samba_dsdb to manage
351 : * @SAMBA_FEATURES_SUPPORTED and need to know if the
352 : * DB has been re-opened by an earlier version.
353 : *
354 : */
355 :
356 8825 : if (mod_msg->num_elements == 1
357 86 : && ldb_attr_cmp(mod_msg->elements[0].name,
358 : SAMBA_FEATURES_SUPPORTED_FLAG) == 0) {
359 : /*
360 : * Ignore only adding
361 : * @SAMBA_FEATURES_SUPPORTED
362 : */
363 8825 : } else if (mod_msg->num_elements > 0) {
364 :
365 : /*
366 : * Do the replace with the difference, as we
367 : * are under the read lock and we wish to do a
368 : * delete of any removed/renamed attributes
369 : */
370 106 : if (mode == SCHEMA_COMPARE) {
371 : /* We are probably not in a transaction */
372 2 : goto wrong_mode;
373 : }
374 104 : ret = dsdb_modify(ldb, mod_msg, 0);
375 : }
376 8823 : talloc_free(mod_msg);
377 : }
378 9521 : if (ret == LDB_ERR_OPERATIONS_ERROR || ret == LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS || ret == LDB_ERR_INVALID_DN_SYNTAX) {
379 : /* We might be on a read-only DB */
380 462 : ret = LDB_SUCCESS;
381 : }
382 :
383 9496 : if (ret != LDB_SUCCESS) {
384 0 : DBG_ERR("Failed to set schema into @INDEXLIST: %s\n",
385 : ldb_errstring(ldb));
386 : }
387 :
388 9521 : talloc_free(mem_ctx);
389 9521 : return ret;
390 :
391 0 : op_error:
392 0 : talloc_free(mem_ctx);
393 0 : return ldb_operr(ldb);
394 :
395 34 : wrong_mode:
396 34 : talloc_free(mem_ctx);
397 34 : return LDB_ERR_BUSY;
398 : }
399 :
400 :
401 : /*
402 : create extra attribute shortcuts
403 : */
404 28745 : static void dsdb_setup_attribute_shortcuts(struct ldb_context *ldb, struct dsdb_schema *schema)
405 : {
406 341 : struct dsdb_attribute *attribute;
407 28745 : const struct dsdb_class *top_class = NULL;
408 28745 : TALLOC_CTX *frame = talloc_stackframe();
409 28745 : const char **top_allowed_attrs = NULL;
410 :
411 28745 : top_class = dsdb_class_by_lDAPDisplayName(schema, "top");
412 28745 : if (top_class != NULL) {
413 28745 : top_allowed_attrs = dsdb_attribute_list(frame,
414 : top_class,
415 : DSDB_SCHEMA_ALL);
416 : }
417 :
418 : /* setup fast access to one_way_link and DN format */
419 40217833 : for (attribute=schema->attributes; attribute; attribute=attribute->next) {
420 40189088 : attribute->dn_format = dsdb_dn_oid_to_format(attribute->syntax->ldap_oid);
421 :
422 40189088 : attribute->bl_maybe_invisible = false;
423 :
424 40189088 : if (attribute->dn_format == DSDB_INVALID_DN) {
425 34752597 : attribute->one_way_link = false;
426 34752597 : continue;
427 : }
428 :
429 : /* these are not considered to be one way links for
430 : the purpose of DN link fixups */
431 5436491 : if (ldb_attr_cmp("distinguishedName", attribute->lDAPDisplayName) == 0 ||
432 5407746 : ldb_attr_cmp("objectCategory", attribute->lDAPDisplayName) == 0) {
433 57490 : attribute->one_way_link = false;
434 57490 : continue;
435 : }
436 :
437 5379001 : if (attribute->linkID == 0) {
438 2155563 : attribute->one_way_link = true;
439 2155563 : continue;
440 : }
441 :
442 3223438 : if (attribute->linkID & 1) {
443 1358422 : const struct dsdb_attribute *fw_attr = NULL;
444 1358422 : bool in_top = false;
445 :
446 1358422 : if (top_allowed_attrs != NULL) {
447 1358422 : in_top = str_list_check(top_allowed_attrs,
448 : attribute->lDAPDisplayName);
449 : }
450 :
451 1358422 : if (in_top) {
452 1161024 : continue;
453 : }
454 :
455 197398 : attribute->bl_maybe_invisible = true;
456 :
457 200296 : fw_attr = dsdb_attribute_by_linkID(schema,
458 197398 : attribute->linkID - 1);
459 197398 : if (fw_attr != NULL) {
460 197398 : struct dsdb_attribute *_fw_attr =
461 : discard_const_p(struct dsdb_attribute,
462 : fw_attr);
463 197398 : _fw_attr->bl_maybe_invisible = true;
464 : }
465 :
466 197398 : continue;
467 : }
468 :
469 : /* handle attributes with a linkID but no backlink */
470 3706824 : if ((attribute->linkID & 1) == 0 &&
471 1865016 : dsdb_attribute_by_linkID(schema, attribute->linkID + 1) == NULL) {
472 506594 : attribute->one_way_link = true;
473 506594 : continue;
474 : }
475 1358422 : attribute->one_way_link = false;
476 : }
477 :
478 28745 : TALLOC_FREE(frame);
479 28745 : }
480 :
481 51528096 : static int dsdb_compare_class_by_lDAPDisplayName(struct dsdb_class **c1, struct dsdb_class **c2)
482 : {
483 51528096 : return strcasecmp((*c1)->lDAPDisplayName, (*c2)->lDAPDisplayName);
484 : }
485 51595840 : static int dsdb_compare_class_by_governsID_id(struct dsdb_class **c1, struct dsdb_class **c2)
486 : {
487 51595840 : return NUMERIC_CMP((*c1)->governsID_id, (*c2)->governsID_id);
488 : }
489 51645626 : static int dsdb_compare_class_by_governsID_oid(struct dsdb_class **c1, struct dsdb_class **c2)
490 : {
491 51645626 : return strcasecmp((*c1)->governsID_oid, (*c2)->governsID_oid);
492 : }
493 51507299 : static int dsdb_compare_class_by_cn(struct dsdb_class **c1, struct dsdb_class **c2)
494 : {
495 51507299 : return strcasecmp((*c1)->cn, (*c2)->cn);
496 : }
497 :
498 368389306 : static int dsdb_compare_attribute_by_lDAPDisplayName(struct dsdb_attribute **a1, struct dsdb_attribute **a2)
499 : {
500 368389306 : return strcasecmp((*a1)->lDAPDisplayName, (*a2)->lDAPDisplayName);
501 : }
502 369701162 : static int dsdb_compare_attribute_by_attributeID_id(struct dsdb_attribute **a1, struct dsdb_attribute **a2)
503 : {
504 369701162 : return NUMERIC_CMP((*a1)->attributeID_id, (*a2)->attributeID_id);
505 : }
506 743415 : static int dsdb_compare_attribute_by_msDS_IntId(struct dsdb_attribute **a1, struct dsdb_attribute **a2)
507 : {
508 743415 : return NUMERIC_CMP((*a1)->msDS_IntId, (*a2)->msDS_IntId);
509 : }
510 369814248 : static int dsdb_compare_attribute_by_attributeID_oid(struct dsdb_attribute **a1, struct dsdb_attribute **a2)
511 : {
512 369814248 : return strcasecmp((*a1)->attributeID_oid, (*a2)->attributeID_oid);
513 : }
514 336384227 : static int dsdb_compare_attribute_by_linkID(struct dsdb_attribute **a1, struct dsdb_attribute **a2)
515 : {
516 336384227 : return NUMERIC_CMP((*a1)->linkID, (*a2)->linkID);
517 : }
518 366521417 : static int dsdb_compare_attribute_by_cn(struct dsdb_attribute **a1, struct dsdb_attribute **a2)
519 : {
520 366521417 : return strcasecmp((*a1)->cn, (*a2)->cn);
521 : }
522 :
523 : /**
524 : * Clean up Classes and Attributes accessor arrays
525 : */
526 28745 : static void dsdb_sorted_accessors_free(struct dsdb_schema *schema)
527 : {
528 : /* free classes accessors */
529 28745 : TALLOC_FREE(schema->classes_by_lDAPDisplayName);
530 28745 : TALLOC_FREE(schema->classes_by_governsID_id);
531 28745 : TALLOC_FREE(schema->classes_by_governsID_oid);
532 28745 : TALLOC_FREE(schema->classes_by_cn);
533 : /* free attribute accessors */
534 28745 : TALLOC_FREE(schema->attributes_by_lDAPDisplayName);
535 28745 : TALLOC_FREE(schema->attributes_by_attributeID_id);
536 28745 : TALLOC_FREE(schema->attributes_by_msDS_IntId);
537 28745 : TALLOC_FREE(schema->attributes_by_attributeID_oid);
538 28745 : TALLOC_FREE(schema->attributes_by_linkID);
539 28745 : TALLOC_FREE(schema->attributes_by_cn);
540 28745 : }
541 :
542 : /*
543 : create the sorted accessor arrays for the schema
544 : */
545 28745 : int dsdb_setup_sorted_accessors(struct ldb_context *ldb,
546 : struct dsdb_schema *schema)
547 : {
548 341 : struct dsdb_class *cur;
549 341 : struct dsdb_attribute *a;
550 341 : unsigned int i;
551 341 : unsigned int num_int_id;
552 341 : int ret;
553 :
554 28745 : for (i=0; i < schema->classes_to_remove_size; i++) {
555 0 : DLIST_REMOVE(schema->classes, schema->classes_to_remove[i]);
556 0 : TALLOC_FREE(schema->classes_to_remove[i]);
557 : }
558 28745 : for (i=0; i < schema->attributes_to_remove_size; i++) {
559 0 : DLIST_REMOVE(schema->attributes, schema->attributes_to_remove[i]);
560 0 : TALLOC_FREE(schema->attributes_to_remove[i]);
561 : }
562 :
563 28745 : TALLOC_FREE(schema->classes_to_remove);
564 28745 : schema->classes_to_remove_size = 0;
565 28745 : TALLOC_FREE(schema->attributes_to_remove);
566 28745 : schema->attributes_to_remove_size = 0;
567 :
568 : /* free all caches */
569 28745 : dsdb_sorted_accessors_free(schema);
570 :
571 : /* count the classes */
572 7621519 : for (i=0, cur=schema->classes; cur; i++, cur=cur->next) /* noop */ ;
573 28745 : schema->num_classes = i;
574 :
575 : /* setup classes_by_* */
576 28745 : schema->classes_by_lDAPDisplayName = talloc_array(schema, struct dsdb_class *, i);
577 28745 : schema->classes_by_governsID_id = talloc_array(schema, struct dsdb_class *, i);
578 28745 : schema->classes_by_governsID_oid = talloc_array(schema, struct dsdb_class *, i);
579 28745 : schema->classes_by_cn = talloc_array(schema, struct dsdb_class *, i);
580 28745 : if (schema->classes_by_lDAPDisplayName == NULL ||
581 28745 : schema->classes_by_governsID_id == NULL ||
582 28745 : schema->classes_by_governsID_oid == NULL ||
583 28404 : schema->classes_by_cn == NULL) {
584 0 : goto failed;
585 : }
586 :
587 7621519 : for (i=0, cur=schema->classes; cur; i++, cur=cur->next) {
588 7592774 : schema->classes_by_lDAPDisplayName[i] = cur;
589 7592774 : schema->classes_by_governsID_id[i] = cur;
590 7592774 : schema->classes_by_governsID_oid[i] = cur;
591 7592774 : schema->classes_by_cn[i] = cur;
592 : }
593 :
594 : /* sort the arrays */
595 28745 : TYPESAFE_QSORT(schema->classes_by_lDAPDisplayName, schema->num_classes, dsdb_compare_class_by_lDAPDisplayName);
596 28745 : TYPESAFE_QSORT(schema->classes_by_governsID_id, schema->num_classes, dsdb_compare_class_by_governsID_id);
597 28745 : TYPESAFE_QSORT(schema->classes_by_governsID_oid, schema->num_classes, dsdb_compare_class_by_governsID_oid);
598 28745 : TYPESAFE_QSORT(schema->classes_by_cn, schema->num_classes, dsdb_compare_class_by_cn);
599 :
600 : /* now build the attribute accessor arrays */
601 :
602 : /* count the attributes
603 : * and attributes with msDS-IntId set */
604 28745 : num_int_id = 0;
605 40217833 : for (i=0, a=schema->attributes; a; i++, a=a->next) {
606 40189088 : if (a->msDS_IntId != 0) {
607 233020 : num_int_id++;
608 : }
609 : }
610 28745 : schema->num_attributes = i;
611 28745 : schema->num_int_id_attr = num_int_id;
612 :
613 : /* setup attributes_by_* */
614 28745 : schema->attributes_by_lDAPDisplayName = talloc_array(schema, struct dsdb_attribute *, i);
615 28745 : schema->attributes_by_attributeID_id = talloc_array(schema, struct dsdb_attribute *, i);
616 28745 : schema->attributes_by_msDS_IntId = talloc_array(schema,
617 : struct dsdb_attribute *, num_int_id);
618 28745 : schema->attributes_by_attributeID_oid = talloc_array(schema, struct dsdb_attribute *, i);
619 28745 : schema->attributes_by_linkID = talloc_array(schema, struct dsdb_attribute *, i);
620 28745 : schema->attributes_by_cn = talloc_array(schema, struct dsdb_attribute *, i);
621 28745 : if (schema->attributes_by_lDAPDisplayName == NULL ||
622 28745 : schema->attributes_by_attributeID_id == NULL ||
623 28745 : schema->attributes_by_msDS_IntId == NULL ||
624 28745 : schema->attributes_by_attributeID_oid == NULL ||
625 28745 : schema->attributes_by_linkID == NULL ||
626 28404 : schema->attributes_by_cn == NULL) {
627 0 : goto failed;
628 : }
629 :
630 28745 : num_int_id = 0;
631 40217833 : for (i=0, a=schema->attributes; a; i++, a=a->next) {
632 40189088 : schema->attributes_by_lDAPDisplayName[i] = a;
633 40189088 : schema->attributes_by_attributeID_id[i] = a;
634 40189088 : schema->attributes_by_attributeID_oid[i] = a;
635 40189088 : schema->attributes_by_linkID[i] = a;
636 40189088 : schema->attributes_by_cn[i] = a;
637 : /* append attr-by-msDS-IntId values */
638 40189088 : if (a->msDS_IntId != 0) {
639 233020 : schema->attributes_by_msDS_IntId[num_int_id] = a;
640 233020 : num_int_id++;
641 : }
642 : }
643 28745 : SMB_ASSERT(num_int_id == schema->num_int_id_attr);
644 :
645 : /* sort the arrays */
646 28745 : TYPESAFE_QSORT(schema->attributes_by_lDAPDisplayName, schema->num_attributes, dsdb_compare_attribute_by_lDAPDisplayName);
647 28745 : TYPESAFE_QSORT(schema->attributes_by_attributeID_id, schema->num_attributes, dsdb_compare_attribute_by_attributeID_id);
648 28745 : TYPESAFE_QSORT(schema->attributes_by_msDS_IntId, schema->num_int_id_attr, dsdb_compare_attribute_by_msDS_IntId);
649 28745 : TYPESAFE_QSORT(schema->attributes_by_attributeID_oid, schema->num_attributes, dsdb_compare_attribute_by_attributeID_oid);
650 28745 : TYPESAFE_QSORT(schema->attributes_by_linkID, schema->num_attributes, dsdb_compare_attribute_by_linkID);
651 28745 : TYPESAFE_QSORT(schema->attributes_by_cn, schema->num_attributes, dsdb_compare_attribute_by_cn);
652 :
653 28745 : dsdb_setup_attribute_shortcuts(ldb, schema);
654 :
655 28745 : ret = schema_fill_constructed(schema);
656 28745 : if (ret != LDB_SUCCESS) {
657 0 : dsdb_sorted_accessors_free(schema);
658 0 : return ret;
659 : }
660 :
661 28404 : return LDB_SUCCESS;
662 :
663 0 : failed:
664 0 : dsdb_sorted_accessors_free(schema);
665 0 : return ldb_oom(ldb);
666 : }
667 :
668 : /**
669 : * Attach the schema to an opaque pointer on the ldb,
670 : * so ldb modules can find it
671 : */
672 181384 : int dsdb_set_schema_refresh_function(struct ldb_context *ldb,
673 : dsdb_schema_refresh_fn refresh_fn,
674 : struct ldb_module *module)
675 : {
676 181384 : int ret = ldb_set_opaque(ldb, "dsdb_schema_refresh_fn", refresh_fn);
677 181384 : if (ret != LDB_SUCCESS) {
678 0 : return ret;
679 : }
680 :
681 181384 : ret = ldb_set_opaque(ldb, "dsdb_schema_refresh_fn_private_data", module);
682 181384 : if (ret != LDB_SUCCESS) {
683 0 : return ret;
684 : }
685 175329 : return LDB_SUCCESS;
686 : }
687 :
688 : /**
689 : * Attach the schema to an opaque pointer on the ldb,
690 : * so ldb modules can find it
691 : */
692 28366 : int dsdb_set_schema(struct ldb_context *ldb,
693 : struct dsdb_schema *schema,
694 : enum schema_set_enum write_indices_and_attributes)
695 : {
696 341 : struct dsdb_schema *old_schema;
697 341 : int ret;
698 :
699 28366 : ret = dsdb_setup_sorted_accessors(ldb, schema);
700 28366 : if (ret != LDB_SUCCESS) {
701 0 : return ret;
702 : }
703 :
704 28366 : old_schema = ldb_get_opaque(ldb, "dsdb_schema");
705 :
706 28366 : ret = ldb_set_opaque(ldb, "dsdb_use_global_schema", NULL);
707 28366 : if (ret != LDB_SUCCESS) {
708 0 : return ret;
709 : }
710 :
711 28366 : ret = ldb_set_opaque(ldb, "dsdb_schema", schema);
712 28366 : if (ret != LDB_SUCCESS) {
713 0 : return ret;
714 : }
715 :
716 28366 : talloc_steal(ldb, schema);
717 :
718 : /* Set the new attributes based on the new schema */
719 28366 : ret = dsdb_schema_set_indices_and_attributes(ldb, schema,
720 : write_indices_and_attributes);
721 28366 : if (ret != LDB_SUCCESS) {
722 0 : return ret;
723 : }
724 :
725 : /*
726 : * Remove the reference to the schema we just overwrote - if there was
727 : * none, NULL is harmless here.
728 : */
729 28366 : if (old_schema != schema) {
730 28365 : talloc_unlink(ldb, old_schema);
731 : }
732 :
733 28025 : return ret;
734 : }
735 :
736 : /**
737 : * Global variable to hold one copy of the schema, used to avoid memory bloat
738 : */
739 : static struct dsdb_schema *global_schema;
740 :
741 : /**
742 : * Make this ldb use a specified schema, already fully calculated and belonging to another ldb
743 : *
744 : * The write_indices_and_attributes controls writing of the @ records
745 : * because we cannot write to a database that does not yet exist on
746 : * disk.
747 : */
748 657 : int dsdb_reference_schema(struct ldb_context *ldb, struct dsdb_schema *schema,
749 : enum schema_set_enum write_indices_and_attributes)
750 : {
751 46 : int ret;
752 46 : void *ptr;
753 657 : void *schema_parent = NULL;
754 46 : bool is_already_parent;
755 46 : struct dsdb_schema *old_schema;
756 657 : old_schema = ldb_get_opaque(ldb, "dsdb_schema");
757 657 : ret = ldb_set_opaque(ldb, "dsdb_schema", schema);
758 657 : if (ret != LDB_SUCCESS) {
759 0 : return ret;
760 : }
761 :
762 : /* Remove the reference to the schema we just overwrote - if there was
763 : * none, NULL is harmless here */
764 657 : talloc_unlink(ldb, old_schema);
765 :
766 : /* Reference schema on ldb if it wasn't done already */
767 657 : schema_parent = talloc_parent(schema);
768 657 : is_already_parent = (schema_parent == ldb);
769 657 : if (!is_already_parent) {
770 657 : ptr = talloc_reference(ldb, schema);
771 657 : if (ptr == NULL) {
772 0 : return ldb_oom(ldb);
773 : }
774 : }
775 :
776 : /* Make this ldb use local schema preferably */
777 657 : ret = ldb_set_opaque(ldb, "dsdb_use_global_schema", NULL);
778 657 : if (ret != LDB_SUCCESS) {
779 0 : return ret;
780 : }
781 :
782 657 : ret = ldb_set_opaque(ldb, "dsdb_refresh_fn", NULL);
783 657 : if (ret != LDB_SUCCESS) {
784 0 : return ret;
785 : }
786 :
787 657 : ret = ldb_set_opaque(ldb, "dsdb_refresh_fn_private_data", NULL);
788 657 : if (ret != LDB_SUCCESS) {
789 0 : return ret;
790 : }
791 :
792 657 : ret = dsdb_schema_set_indices_and_attributes(ldb, schema, write_indices_and_attributes);
793 657 : if (ret != LDB_SUCCESS) {
794 0 : return ret;
795 : }
796 :
797 611 : return LDB_SUCCESS;
798 : }
799 :
800 : /**
801 : * Make this ldb use the 'global' schema, setup to avoid having multiple copies in this process
802 : */
803 226098 : int dsdb_set_global_schema(struct ldb_context *ldb)
804 : {
805 6136 : int ret;
806 226098 : void *use_global_schema = (void *)1;
807 6136 : void *ptr;
808 226098 : struct dsdb_schema *old_schema = ldb_get_opaque(ldb, "dsdb_schema");
809 :
810 226098 : ret = ldb_set_opaque(ldb, "dsdb_use_global_schema", use_global_schema);
811 226098 : if (ret != LDB_SUCCESS) {
812 0 : return ret;
813 : }
814 :
815 226098 : if (global_schema == NULL) {
816 23863 : return LDB_SUCCESS;
817 : }
818 :
819 : /* Remove any pointer to a previous schema */
820 202093 : ret = ldb_set_opaque(ldb, "dsdb_schema", NULL);
821 202093 : if (ret != LDB_SUCCESS) {
822 0 : return ret;
823 : }
824 :
825 : /* Remove the reference to the schema we just overwrote - if there was
826 : * none, NULL is harmless here */
827 202093 : talloc_unlink(ldb, old_schema);
828 :
829 : /* Set the new attributes based on the new schema */
830 : /* Don't write indices and attributes, it's expensive */
831 202093 : ret = dsdb_schema_set_indices_and_attributes(ldb, global_schema, SCHEMA_MEMORY_ONLY);
832 202093 : if (ret == LDB_SUCCESS) {
833 202093 : void *schema_parent = talloc_parent(global_schema);
834 202093 : bool is_already_parent =
835 : (schema_parent == ldb);
836 202093 : if (!is_already_parent) {
837 202093 : ptr = talloc_reference(ldb, global_schema);
838 202093 : if (ptr == NULL) {
839 0 : return ldb_oom(ldb);
840 : }
841 202093 : ret = ldb_set_opaque(ldb, "dsdb_schema", global_schema);
842 : }
843 : }
844 :
845 196099 : return ret;
846 : }
847 :
848 196883787 : bool dsdb_uses_global_schema(struct ldb_context *ldb)
849 : {
850 196883787 : return (ldb_get_opaque(ldb, "dsdb_use_global_schema") != NULL);
851 : }
852 :
853 : /**
854 : * Find the schema object for this ldb
855 : *
856 : * If reference_ctx is not NULL, then talloc_reference onto that context
857 : */
858 :
859 196710106 : struct dsdb_schema *dsdb_get_schema(struct ldb_context *ldb, TALLOC_CTX *reference_ctx)
860 : {
861 14880033 : const void *p;
862 196710106 : struct dsdb_schema *schema_out = NULL;
863 196710106 : struct dsdb_schema *schema_in = NULL;
864 14880033 : dsdb_schema_refresh_fn refresh_fn;
865 14880033 : struct ldb_module *loaded_from_module;
866 14880033 : bool use_global_schema;
867 196710106 : TALLOC_CTX *tmp_ctx = talloc_new(reference_ctx);
868 196710106 : if (tmp_ctx == NULL) {
869 0 : return NULL;
870 : }
871 :
872 : /* see if we have a cached copy */
873 196710106 : use_global_schema = dsdb_uses_global_schema(ldb);
874 196710106 : if (use_global_schema) {
875 163779248 : schema_in = global_schema;
876 : } else {
877 32930858 : p = ldb_get_opaque(ldb, "dsdb_schema");
878 32930858 : if (p != NULL) {
879 32747986 : schema_in = talloc_get_type_abort(p, struct dsdb_schema);
880 : }
881 : }
882 :
883 196710106 : refresh_fn = ldb_get_opaque(ldb, "dsdb_schema_refresh_fn");
884 196710106 : if (refresh_fn) {
885 164334208 : loaded_from_module = ldb_get_opaque(ldb, "dsdb_schema_refresh_fn_private_data");
886 :
887 164334208 : SMB_ASSERT(loaded_from_module && (ldb_module_get_ctx(loaded_from_module) == ldb));
888 : }
889 :
890 196710106 : if (refresh_fn) {
891 : /* We need to guard against recursive calls here */
892 164334208 : if (ldb_set_opaque(ldb, "dsdb_schema_refresh_fn", NULL) != LDB_SUCCESS) {
893 0 : ldb_debug_set(ldb, LDB_DEBUG_FATAL,
894 : "dsdb_get_schema: clearing dsdb_schema_refresh_fn failed");
895 : } else {
896 164334208 : schema_out = refresh_fn(loaded_from_module,
897 : ldb_get_event_context(ldb),
898 : schema_in,
899 : use_global_schema);
900 : }
901 164334208 : if (ldb_set_opaque(ldb, "dsdb_schema_refresh_fn", refresh_fn) != LDB_SUCCESS) {
902 0 : ldb_debug_set(ldb, LDB_DEBUG_FATAL,
903 : "dsdb_get_schema: re-setting dsdb_schema_refresh_fn failed");
904 : }
905 164334208 : if (!schema_out) {
906 0 : schema_out = schema_in;
907 0 : ldb_debug_set(ldb, LDB_DEBUG_FATAL,
908 : "dsdb_get_schema: refresh_fn() failed");
909 : }
910 : } else {
911 28299473 : schema_out = schema_in;
912 : }
913 :
914 : /* This removes the extra reference above */
915 196710106 : talloc_free(tmp_ctx);
916 :
917 : /*
918 : * If ref ctx exists and doesn't already reference schema, then add
919 : * a reference. Otherwise, just return schema.
920 : *
921 : * We must use talloc_parent(), which is not quite free (there
922 : * is no direct parent pointer in talloc, only one on the
923 : * first child within a linked list), but is much cheaper than
924 : * talloc_is_parent() which walks the whole tree up to the top
925 : * looking for a potential grand-grand(etc)-parent.
926 : */
927 196710106 : if (reference_ctx == NULL) {
928 82445498 : return schema_out;
929 : } else {
930 105452726 : void *schema_parent = talloc_parent(schema_out);
931 105452726 : bool is_already_parent =
932 : schema_parent == reference_ctx;
933 105452726 : if (is_already_parent) {
934 0 : return schema_out;
935 : } else {
936 105452726 : return talloc_reference(reference_ctx,
937 : schema_out);
938 : }
939 : }
940 : }
941 :
942 : /**
943 : * Make the schema found on this ldb the 'global' schema
944 : */
945 :
946 20298 : void dsdb_make_schema_global(struct ldb_context *ldb, struct dsdb_schema *schema)
947 : {
948 20298 : if (!schema) {
949 0 : return;
950 : }
951 :
952 20298 : if (global_schema) {
953 17756 : talloc_unlink(NULL, global_schema);
954 : }
955 :
956 : /* we want the schema to be around permanently */
957 20298 : talloc_reparent(ldb, NULL, schema);
958 20298 : global_schema = schema;
959 :
960 : /* This calls the talloc_reference() of the global schema back onto the ldb */
961 20298 : dsdb_set_global_schema(ldb);
962 : }
963 :
964 : /**
965 : * When loading the schema from LDIF files, we don't get the extended DNs.
966 : *
967 : * We need to set these up, so that from the moment we start the provision,
968 : * the defaultObjectCategory links are set up correctly.
969 : */
970 390 : int dsdb_schema_fill_extended_dn(struct ldb_context *ldb, struct dsdb_schema *schema)
971 : {
972 24 : struct dsdb_class *cur;
973 24 : const struct dsdb_class *target_class;
974 102962 : for (cur = schema->classes; cur; cur = cur->next) {
975 6451 : const struct ldb_val *rdn;
976 6451 : struct ldb_val guid;
977 6451 : NTSTATUS status;
978 6451 : int ret;
979 102572 : struct ldb_dn *dn = ldb_dn_new(NULL, ldb, cur->defaultObjectCategory);
980 :
981 102572 : if (!dn) {
982 0 : return LDB_ERR_INVALID_DN_SYNTAX;
983 : }
984 102572 : rdn = ldb_dn_get_component_val(dn, 0);
985 102572 : if (!rdn) {
986 0 : talloc_free(dn);
987 0 : return LDB_ERR_INVALID_DN_SYNTAX;
988 : }
989 102572 : target_class = dsdb_class_by_cn_ldb_val(schema, rdn);
990 102572 : if (!target_class) {
991 0 : talloc_free(dn);
992 0 : return LDB_ERR_CONSTRAINT_VIOLATION;
993 : }
994 :
995 102572 : status = GUID_to_ndr_blob(&target_class->objectGUID, dn, &guid);
996 102572 : if (!NT_STATUS_IS_OK(status)) {
997 0 : talloc_free(dn);
998 0 : return ldb_operr(ldb);
999 : }
1000 102572 : ret = ldb_dn_set_extended_component(dn, "GUID", &guid);
1001 102572 : if (ret != LDB_SUCCESS) {
1002 0 : ret = ldb_error(ldb, ret, "Could not set GUID");
1003 0 : talloc_free(dn);
1004 0 : return ret;
1005 : }
1006 :
1007 102572 : cur->defaultObjectCategory = ldb_dn_get_extended_linearized(cur, dn, 1);
1008 102572 : talloc_free(dn);
1009 : }
1010 366 : return LDB_SUCCESS;
1011 : }
1012 :
1013 : /**
1014 : * @brief Add a new element to the schema and checks if it's a duplicate
1015 : *
1016 : * This function will add a new element to the schema and checks for existing
1017 : * duplicates.
1018 : *
1019 : * @param[in] ldb A pointer to an LDB context
1020 : *
1021 : * @param[in] schema A pointer to the dsdb_schema where the element
1022 : * will be added.
1023 : *
1024 : * @param[in] msg The ldb_message object representing the element
1025 : * to add.
1026 : *
1027 : * @param[in] checkdups A boolean to indicate if checks for duplicates
1028 : * should be done.
1029 : *
1030 : * @return A WERROR code
1031 : */
1032 47250177 : WERROR dsdb_schema_set_el_from_ldb_msg_dups(struct ldb_context *ldb, struct dsdb_schema *schema,
1033 : struct ldb_message *msg, bool checkdups)
1034 : {
1035 574909 : const char* tstring;
1036 574909 : time_t ts;
1037 47250177 : tstring = ldb_msg_find_attr_as_string(msg, "whenChanged", NULL);
1038 : /* keep a trace of the ts of the most recently changed object */
1039 47250177 : if (tstring) {
1040 13956 : ts = ldb_string_to_time(tstring);
1041 13956 : if (ts > schema->ts_last_change) {
1042 38 : schema->ts_last_change = ts;
1043 : }
1044 : }
1045 47250177 : if (samdb_find_attribute(ldb, msg,
1046 : "objectclass", "attributeSchema") != NULL) {
1047 :
1048 39739754 : return dsdb_set_attribute_from_ldb_dups(ldb, schema, msg, checkdups);
1049 7510423 : } else if (samdb_find_attribute(ldb, msg,
1050 : "objectclass", "classSchema") != NULL) {
1051 7510178 : return dsdb_set_class_from_ldb_dups(schema, msg, checkdups);
1052 : }
1053 : /* Don't fail on things not classes or attributes */
1054 245 : return WERR_OK;
1055 : }
1056 :
1057 47118707 : WERROR dsdb_schema_set_el_from_ldb_msg(struct ldb_context *ldb,
1058 : struct dsdb_schema *schema,
1059 : struct ldb_message *msg)
1060 : {
1061 47118707 : return dsdb_schema_set_el_from_ldb_msg_dups(ldb, schema, msg, false);
1062 : }
1063 :
1064 : /**
1065 : * Rather than read a schema from the LDB itself, read it from an ldif
1066 : * file. This allows schema to be loaded and used while adding the
1067 : * schema itself to the directory.
1068 : *
1069 : * Should be called with a transaction (or failing that, have no concurrent
1070 : * access while called).
1071 : */
1072 :
1073 390 : WERROR dsdb_set_schema_from_ldif(struct ldb_context *ldb,
1074 : const char *pf, const char *df,
1075 : const char *dn)
1076 : {
1077 24 : struct ldb_ldif *ldif;
1078 24 : struct ldb_message *msg;
1079 24 : TALLOC_CTX *mem_ctx;
1080 24 : WERROR status;
1081 24 : int ret;
1082 24 : struct dsdb_schema *schema;
1083 24 : const struct ldb_val *prefix_val;
1084 24 : const struct ldb_val *info_val;
1085 24 : struct ldb_val info_val_default;
1086 :
1087 :
1088 390 : mem_ctx = talloc_new(ldb);
1089 390 : if (!mem_ctx) {
1090 0 : goto nomem;
1091 : }
1092 :
1093 390 : schema = dsdb_new_schema(mem_ctx);
1094 390 : if (!schema) {
1095 0 : goto nomem;
1096 : }
1097 390 : schema->fsmo.we_are_master = true;
1098 390 : schema->fsmo.update_allowed = true;
1099 390 : schema->fsmo.master_dn = ldb_dn_new(schema, ldb, "@PROVISION_SCHEMA_MASTER");
1100 390 : if (!schema->fsmo.master_dn) {
1101 0 : goto nomem;
1102 : }
1103 :
1104 : /*
1105 : * load the prefixMap attribute from pf
1106 : */
1107 390 : ldif = ldb_ldif_read_string(ldb, &pf);
1108 390 : if (!ldif) {
1109 0 : status = WERR_INVALID_PARAMETER;
1110 0 : goto failed;
1111 : }
1112 390 : talloc_steal(mem_ctx, ldif);
1113 :
1114 390 : ret = ldb_msg_normalize(ldb, mem_ctx, ldif->msg, &msg);
1115 390 : if (ret != LDB_SUCCESS) {
1116 0 : goto nomem;
1117 : }
1118 390 : talloc_free(ldif);
1119 :
1120 390 : prefix_val = ldb_msg_find_ldb_val(msg, "prefixMap");
1121 390 : if (!prefix_val) {
1122 0 : status = WERR_INVALID_PARAMETER;
1123 0 : goto failed;
1124 : }
1125 :
1126 390 : info_val = ldb_msg_find_ldb_val(msg, "schemaInfo");
1127 390 : if (!info_val) {
1128 390 : status = dsdb_schema_info_blob_new(mem_ctx, &info_val_default);
1129 390 : W_ERROR_NOT_OK_GOTO(status, failed);
1130 366 : info_val = &info_val_default;
1131 : }
1132 :
1133 390 : status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
1134 390 : if (!W_ERROR_IS_OK(status)) {
1135 0 : DEBUG(0,("ERROR: dsdb_load_oid_mappings_ldb() failed with %s\n", win_errstr(status)));
1136 0 : goto failed;
1137 : }
1138 :
1139 390 : schema->ts_last_change = 0;
1140 : /* load the attribute and class definitions out of df */
1141 675295 : while ((ldif = ldb_ldif_read_string(ldb, &df))) {
1142 674905 : talloc_steal(mem_ctx, ldif);
1143 :
1144 674905 : ret = ldb_msg_normalize(ldb, ldif, ldif->msg, &msg);
1145 674905 : if (ret != LDB_SUCCESS) {
1146 0 : goto nomem;
1147 : }
1148 :
1149 674905 : status = dsdb_schema_set_el_from_ldb_msg(ldb, schema, msg);
1150 674905 : talloc_free(ldif);
1151 674905 : if (!W_ERROR_IS_OK(status)) {
1152 0 : goto failed;
1153 : }
1154 : }
1155 :
1156 : /*
1157 : * TODO We may need a transaction here, otherwise this causes races.
1158 : *
1159 : * To do so may require an ldb_in_transaction function. In the
1160 : * meantime, assume that this is always called with a transaction or in
1161 : * isolation.
1162 : */
1163 390 : ret = dsdb_set_schema(ldb, schema, SCHEMA_WRITE);
1164 390 : if (ret != LDB_SUCCESS) {
1165 0 : status = WERR_FOOBAR;
1166 0 : DEBUG(0,("ERROR: dsdb_set_schema() failed with %s / %s\n",
1167 : ldb_strerror(ret), ldb_errstring(ldb)));
1168 0 : goto failed;
1169 : }
1170 :
1171 390 : ret = dsdb_schema_fill_extended_dn(ldb, schema);
1172 390 : if (ret != LDB_SUCCESS) {
1173 0 : status = WERR_FOOBAR;
1174 0 : goto failed;
1175 : }
1176 :
1177 390 : goto done;
1178 :
1179 0 : nomem:
1180 0 : status = WERR_NOT_ENOUGH_MEMORY;
1181 24 : failed:
1182 390 : done:
1183 390 : talloc_free(mem_ctx);
1184 390 : return status;
1185 : }
|
