s4:ldb Add 'single-value' support to LDB.
[amitay/samba.git] / source4 / dsdb / schema / schema_init.c
1 /* 
2    Unix SMB/CIFS mplementation.
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
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 3 of the License, or
11    (at your option) any later version.
12    
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17    
18    You should have received a copy of the GNU General Public License
19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
20    
21 */
22
23 #include "includes.h"
24 #include "dsdb/samdb/samdb.h"
25 #include "lib/ldb/include/ldb_errors.h"
26 #include "../lib/util/dlinklist.h"
27 #include "librpc/gen_ndr/ndr_misc.h"
28 #include "librpc/gen_ndr/ndr_drsuapi.h"
29 #include "librpc/gen_ndr/ndr_drsblobs.h"
30 #include "param/param.h"
31 #include "lib/ldb/include/ldb_module.h"
32
33 struct dsdb_schema *dsdb_new_schema(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
34 {
35         struct dsdb_schema *schema = talloc_zero(mem_ctx, struct dsdb_schema);
36         if (!schema) {
37                 return NULL;
38         }
39
40         schema->iconv_convenience = iconv_convenience;
41         return schema;
42 }
43
44
45 WERROR dsdb_load_oid_mappings_drsuapi(struct dsdb_schema *schema, const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
46 {
47         uint32_t i,j;
48
49         schema->prefixes = talloc_array(schema, struct dsdb_schema_oid_prefix, ctr->num_mappings);
50         W_ERROR_HAVE_NO_MEMORY(schema->prefixes);
51
52         for (i=0, j=0; i < ctr->num_mappings; i++) {
53                 if (ctr->mappings[i].oid.oid == NULL) {
54                         return WERR_INVALID_PARAM;
55                 }
56
57                 if (strncasecmp(ctr->mappings[i].oid.oid, "ff", 2) == 0) {
58                         if (ctr->mappings[i].id_prefix != 0) {
59                                 return WERR_INVALID_PARAM;
60                         }
61
62                         /* the magic value should be in the last array member */
63                         if (i != (ctr->num_mappings - 1)) {
64                                 return WERR_INVALID_PARAM;
65                         }
66
67                         if (ctr->mappings[i].oid.__ndr_size != 21) {
68                                 return WERR_INVALID_PARAM;
69                         }
70
71                         schema->schema_info = talloc_strdup(schema, ctr->mappings[i].oid.oid);
72                         W_ERROR_HAVE_NO_MEMORY(schema->schema_info);
73                 } else {
74                         /* the last array member should contain the magic value not a oid */
75                         if (i == (ctr->num_mappings - 1)) {
76                                 return WERR_INVALID_PARAM;
77                         }
78
79                         schema->prefixes[j].id  = ctr->mappings[i].id_prefix<<16;
80                         schema->prefixes[j].oid = talloc_asprintf(schema->prefixes, "%s.",
81                                                                   ctr->mappings[i].oid.oid);
82                         W_ERROR_HAVE_NO_MEMORY(schema->prefixes[j].oid);
83                         schema->prefixes[j].oid_len = strlen(schema->prefixes[j].oid);
84                         j++;
85                 }
86         }
87
88         schema->num_prefixes = j;
89         return WERR_OK;
90 }
91
92 WERROR dsdb_load_oid_mappings_ldb(struct dsdb_schema *schema,
93                                   const struct ldb_val *prefixMap,
94                                   const struct ldb_val *schemaInfo)
95 {
96         WERROR status;
97         enum ndr_err_code ndr_err;
98         struct prefixMapBlob pfm;
99         char *schema_info;
100
101         TALLOC_CTX *mem_ctx = talloc_new(schema);
102         W_ERROR_HAVE_NO_MEMORY(mem_ctx);
103         
104         ndr_err = ndr_pull_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
105         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
106                 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
107                 talloc_free(mem_ctx);
108                 return ntstatus_to_werror(nt_status);
109         }
110
111         if (pfm.version != PREFIX_MAP_VERSION_DSDB) {
112                 talloc_free(mem_ctx);
113                 return WERR_FOOBAR;
114         }
115
116         if (schemaInfo->length != 21 && schemaInfo->data[0] == 0xFF) {
117                 talloc_free(mem_ctx);
118                 return WERR_FOOBAR;
119         }
120
121         /* append the schema info as last element */
122         pfm.ctr.dsdb.num_mappings++;
123         pfm.ctr.dsdb.mappings = talloc_realloc(mem_ctx, pfm.ctr.dsdb.mappings,
124                                                struct drsuapi_DsReplicaOIDMapping,
125                                                pfm.ctr.dsdb.num_mappings);
126         W_ERROR_HAVE_NO_MEMORY(pfm.ctr.dsdb.mappings);
127
128         schema_info = data_blob_hex_string(pfm.ctr.dsdb.mappings, schemaInfo);
129         W_ERROR_HAVE_NO_MEMORY(schema_info);
130
131         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].id_prefix          = 0;    
132         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.__ndr_size     = schemaInfo->length;
133         pfm.ctr.dsdb.mappings[pfm.ctr.dsdb.num_mappings - 1].oid.oid            = schema_info;
134
135         /* call the drsuapi version */
136         status = dsdb_load_oid_mappings_drsuapi(schema, &pfm.ctr.dsdb);
137         talloc_free(mem_ctx);
138
139         W_ERROR_NOT_OK_RETURN(status);
140
141         return WERR_OK;
142 }
143
144 WERROR dsdb_get_oid_mappings_drsuapi(const struct dsdb_schema *schema,
145                                      bool include_schema_info,
146                                      TALLOC_CTX *mem_ctx,
147                                      struct drsuapi_DsReplicaOIDMapping_Ctr **_ctr)
148 {
149         struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
150         uint32_t i;
151
152         ctr = talloc(mem_ctx, struct drsuapi_DsReplicaOIDMapping_Ctr);
153         W_ERROR_HAVE_NO_MEMORY(ctr);
154
155         ctr->num_mappings       = schema->num_prefixes;
156         if (include_schema_info) ctr->num_mappings++;
157         ctr->mappings = talloc_array(schema, struct drsuapi_DsReplicaOIDMapping, ctr->num_mappings);
158         W_ERROR_HAVE_NO_MEMORY(ctr->mappings);
159
160         for (i=0; i < schema->num_prefixes; i++) {
161                 ctr->mappings[i].id_prefix      = schema->prefixes[i].id>>16;
162                 ctr->mappings[i].oid.oid        = talloc_strndup(ctr->mappings,
163                                                                  schema->prefixes[i].oid,
164                                                                  schema->prefixes[i].oid_len - 1);
165                 W_ERROR_HAVE_NO_MEMORY(ctr->mappings[i].oid.oid);
166         }
167
168         if (include_schema_info) {
169                 ctr->mappings[i].id_prefix      = 0;
170                 ctr->mappings[i].oid.oid        = talloc_strdup(ctr->mappings,
171                                                                 schema->schema_info);
172                 W_ERROR_HAVE_NO_MEMORY(ctr->mappings[i].oid.oid);
173         }
174
175         *_ctr = ctr;
176         return WERR_OK;
177 }
178
179 WERROR dsdb_get_oid_mappings_ldb(const struct dsdb_schema *schema,
180                                  TALLOC_CTX *mem_ctx,
181                                  struct ldb_val *prefixMap,
182                                  struct ldb_val *schemaInfo)
183 {
184         WERROR status;
185         enum ndr_err_code ndr_err;
186         struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
187         struct prefixMapBlob pfm;
188
189         status = dsdb_get_oid_mappings_drsuapi(schema, false, mem_ctx, &ctr);
190         W_ERROR_NOT_OK_RETURN(status);
191
192         pfm.version     = PREFIX_MAP_VERSION_DSDB;
193         pfm.reserved    = 0;
194         pfm.ctr.dsdb    = *ctr;
195
196         ndr_err = ndr_push_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
197         talloc_free(ctr);
198         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
199                 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
200                 return ntstatus_to_werror(nt_status);
201         }
202
203         *schemaInfo = strhex_to_data_blob(mem_ctx, schema->schema_info);
204         W_ERROR_HAVE_NO_MEMORY(schemaInfo->data);
205
206         return WERR_OK;
207 }
208
209 WERROR dsdb_verify_oid_mappings_drsuapi(const struct dsdb_schema *schema, const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
210 {
211         uint32_t i,j;
212
213         for (i=0; i < ctr->num_mappings; i++) {
214                 if (ctr->mappings[i].oid.oid == NULL) {
215                         return WERR_INVALID_PARAM;
216                 }
217
218                 if (strncasecmp(ctr->mappings[i].oid.oid, "ff", 2) == 0) {
219                         if (ctr->mappings[i].id_prefix != 0) {
220                                 return WERR_INVALID_PARAM;
221                         }
222
223                         /* the magic value should be in the last array member */
224                         if (i != (ctr->num_mappings - 1)) {
225                                 return WERR_INVALID_PARAM;
226                         }
227
228                         if (ctr->mappings[i].oid.__ndr_size != 21) {
229                                 return WERR_INVALID_PARAM;
230                         }
231
232                         if (strcasecmp(schema->schema_info, ctr->mappings[i].oid.oid) != 0) {
233                                 return WERR_DS_DRA_SCHEMA_MISMATCH;
234                         }
235                 } else {
236                         /* the last array member should contain the magic value not a oid */
237                         if (i == (ctr->num_mappings - 1)) {
238                                 return WERR_INVALID_PARAM;
239                         }
240
241                         for (j=0; j < schema->num_prefixes; j++) {
242                                 size_t oid_len;
243                                 if (schema->prefixes[j].id != (ctr->mappings[i].id_prefix<<16)) {
244                                         continue;
245                                 }
246
247                                 oid_len = strlen(ctr->mappings[i].oid.oid);
248
249                                 if (oid_len != (schema->prefixes[j].oid_len - 1)) {
250                                         return WERR_DS_DRA_SCHEMA_MISMATCH;
251                                 }
252
253                                 if (strncmp(ctr->mappings[i].oid.oid, schema->prefixes[j].oid, oid_len) != 0) {
254                                         return WERR_DS_DRA_SCHEMA_MISMATCH;                             
255                                 }
256
257                                 break;
258                         }
259
260                         if (j == schema->num_prefixes) {
261                                 return WERR_DS_DRA_SCHEMA_MISMATCH;                             
262                         }
263                 }
264         }
265
266         return WERR_OK;
267 }
268
269 WERROR dsdb_map_oid2int(const struct dsdb_schema *schema, const char *in, uint32_t *out)
270 {
271         return dsdb_find_prefix_for_oid(schema->num_prefixes, schema->prefixes, in, out);
272 }
273
274
275 WERROR dsdb_map_int2oid(const struct dsdb_schema *schema, uint32_t in, TALLOC_CTX *mem_ctx, const char **out)
276 {
277         uint32_t i;
278
279         for (i=0; i < schema->num_prefixes; i++) {
280                 const char *val;
281                 if (schema->prefixes[i].id != (in & 0xFFFF0000)) {
282                         continue;
283                 }
284
285                 val = talloc_asprintf(mem_ctx, "%s%u",
286                                       schema->prefixes[i].oid,
287                                       in & 0xFFFF);
288                 W_ERROR_HAVE_NO_MEMORY(val);
289
290                 *out = val;
291                 return WERR_OK;
292         }
293
294         return WERR_DS_NO_MSDS_INTID;
295 }
296
297 /*
298  * this function is called from within a ldb transaction from the schema_fsmo module
299  */
300 WERROR dsdb_create_prefix_mapping(struct ldb_context *ldb, struct dsdb_schema *schema, const char *full_oid)
301 {
302         WERROR status;
303         uint32_t num_prefixes;
304         struct dsdb_schema_oid_prefix *prefixes;
305         TALLOC_CTX *mem_ctx;
306         uint32_t out;
307
308         mem_ctx = talloc_new(ldb);
309         W_ERROR_HAVE_NO_MEMORY(mem_ctx);
310
311         /* Read prefixes from disk*/
312         status = dsdb_read_prefixes_from_ldb( mem_ctx, ldb, &num_prefixes, &prefixes ); 
313         if (!W_ERROR_IS_OK(status)) {
314                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_read_prefixes_from_ldb: %s\n",
315                         win_errstr(status)));
316                 talloc_free(mem_ctx);
317                 return status;
318         }
319
320         /* Check if there is a prefix for the oid in the prefixes array*/
321         status = dsdb_find_prefix_for_oid( num_prefixes, prefixes, full_oid, &out ); 
322         if (W_ERROR_IS_OK(status)) {
323                 /* prefix found*/
324                 talloc_free(mem_ctx);
325                 return status;
326         } else if (!W_ERROR_EQUAL(WERR_DS_NO_MSDS_INTID, status)) {
327                 /* error */
328                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_find_prefix_for_oid: %s\n",
329                         win_errstr(status)));
330                 talloc_free(mem_ctx);
331                 return status;
332         }
333
334         /* Create the new mapping for the prefix of full_oid */
335         status = dsdb_prefix_map_update(mem_ctx, &num_prefixes, &prefixes, full_oid);
336         if (!W_ERROR_IS_OK(status)) {
337                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_prefix_map_update: %s\n",
338                         win_errstr(status)));
339                 talloc_free(mem_ctx);
340                 return status;
341         }
342
343         talloc_free(schema->prefixes);
344         schema->prefixes = talloc_steal(schema, prefixes);
345         schema->num_prefixes = num_prefixes;
346
347         /* Update prefixMap in ldb*/
348         status = dsdb_write_prefixes_from_schema_to_ldb(mem_ctx, ldb, schema);
349         if (!W_ERROR_IS_OK(status)) {
350                 DEBUG(0,("dsdb_create_prefix_mapping: dsdb_write_prefixes_to_ldb: %s\n",
351                         win_errstr(status)));
352                 talloc_free(mem_ctx);
353                 return status;
354         }
355
356         DEBUG(2,(__location__ " Added prefixMap %s - now have %u prefixes\n",
357                  full_oid, num_prefixes));
358
359         talloc_free(mem_ctx);
360         return status;
361 }
362
363 WERROR dsdb_prefix_map_update(TALLOC_CTX *mem_ctx, uint32_t *num_prefixes, struct dsdb_schema_oid_prefix **prefixes, const char *oid)
364 {
365         uint32_t new_num_prefixes, index_new_prefix, new_entry_id;
366         const char* lastDotOffset;
367         size_t size;
368         
369         new_num_prefixes = *num_prefixes + 1;
370         index_new_prefix = *num_prefixes;
371
372         /*
373          * this is the algorithm we use to create new mappings for now
374          *
375          * TODO: find what algorithm windows use
376          */
377         new_entry_id = (*num_prefixes)<<16;
378
379         /* Extract the prefix from the oid*/
380         lastDotOffset = strrchr(oid, '.');
381         if (lastDotOffset == NULL) {
382                 DEBUG(0,("dsdb_prefix_map_update: failed to find the last dot\n"));
383                 return WERR_NOT_FOUND;
384         }
385
386         /* Calculate the size of the remainig string that should be the prefix of it */
387         size = strlen(oid) - strlen(lastDotOffset);
388         if (size <= 0) {
389                 DEBUG(0,("dsdb_prefix_map_update: size of the remaining string invalid\n"));
390                 return WERR_FOOBAR;
391         }
392         /* Add one because we need to copy the dot */
393         size += 1;
394
395         /* Create a spot in the prefixMap for one more prefix*/
396         (*prefixes) = talloc_realloc(mem_ctx, *prefixes, struct dsdb_schema_oid_prefix, new_num_prefixes);
397         W_ERROR_HAVE_NO_MEMORY(*prefixes);
398
399         /* Add the new prefix entry*/
400         (*prefixes)[index_new_prefix].id = new_entry_id;
401         (*prefixes)[index_new_prefix].oid = talloc_strndup(mem_ctx, oid, size);
402         (*prefixes)[index_new_prefix].oid_len = strlen((*prefixes)[index_new_prefix].oid);
403
404         /* Increase num_prefixes because new prefix has been added */
405         ++(*num_prefixes);
406
407         return WERR_OK;
408 }
409
410 WERROR dsdb_find_prefix_for_oid(uint32_t num_prefixes, const struct dsdb_schema_oid_prefix *prefixes, const char *in, uint32_t *out)
411 {
412         uint32_t i;
413
414         for (i=0; i < num_prefixes; i++) {
415                 const char *val_str;
416                 char *end_str;
417                 unsigned val;
418
419                 if (strncmp(prefixes[i].oid, in, prefixes[i].oid_len) != 0) {
420                         continue;
421                 }
422
423                 val_str = in + prefixes[i].oid_len;
424                 end_str = NULL;
425                 errno = 0;
426
427                 if (val_str[0] == '\0') {
428                         return WERR_INVALID_PARAM;
429                 }
430
431                 /* two '.' chars are invalid */
432                 if (val_str[0] == '.') {
433                         return WERR_INVALID_PARAM;
434                 }
435
436                 val = strtoul(val_str, &end_str, 10);
437                 if (end_str[0] == '.' && end_str[1] != '\0') {
438                         /*
439                          * if it's a '.' and not the last char
440                          * then maybe an other mapping apply
441                          */
442                         continue;
443                 } else if (end_str[0] != '\0') {
444                         return WERR_INVALID_PARAM;
445                 } else if (val > 0xFFFF) {
446                         return WERR_INVALID_PARAM;
447                 }
448
449                 *out = prefixes[i].id | val;
450                 return WERR_OK;
451         }
452
453         DEBUG(5,(__location__ " Failed to find oid %s - have %u prefixes\n", in, num_prefixes));
454
455         return WERR_DS_NO_MSDS_INTID;
456 }
457
458 WERROR dsdb_write_prefixes_from_schema_to_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
459                                                      const struct dsdb_schema *schema)
460 {
461         struct ldb_message *msg = ldb_msg_new(mem_ctx);
462         struct ldb_dn *schema_dn;
463         struct prefixMapBlob pm;
464         struct ldb_val ndr_blob;
465         enum ndr_err_code ndr_err;
466         uint32_t i;
467         int ret;
468
469         if (!msg) {
470                 return WERR_NOMEM;
471         }
472         
473         schema_dn = samdb_schema_dn(ldb);
474         if (!schema_dn) {
475                 DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: no schema dn present\n"));    
476                 return WERR_FOOBAR;
477         }
478
479         pm.version                      = PREFIX_MAP_VERSION_DSDB;
480         pm.ctr.dsdb.num_mappings        = schema->num_prefixes;
481         pm.ctr.dsdb.mappings            = talloc_array(msg,
482                                                 struct drsuapi_DsReplicaOIDMapping,
483                                                 pm.ctr.dsdb.num_mappings);
484         if (!pm.ctr.dsdb.mappings) {
485                 talloc_free(msg);
486                 return WERR_NOMEM;
487         }
488
489         for (i=0; i < schema->num_prefixes; i++) {
490                 pm.ctr.dsdb.mappings[i].id_prefix = schema->prefixes[i].id>>16;
491                 pm.ctr.dsdb.mappings[i].oid.oid = talloc_strdup(pm.ctr.dsdb.mappings, schema->prefixes[i].oid);
492         }
493
494         ndr_err = ndr_push_struct_blob(&ndr_blob, msg,
495                                        lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
496                                        &pm,
497                                        (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
498         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
499                 talloc_free(msg);
500                 return WERR_FOOBAR;
501         }
502  
503         msg->dn = schema_dn;
504         ret = ldb_msg_add_value(msg, "prefixMap", &ndr_blob, NULL);
505         if (ret != 0) {
506                 talloc_free(msg);
507                 DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: ldb_msg_add_value failed\n"));        
508                 return WERR_NOMEM;
509         }
510  
511         ret = samdb_replace( ldb, msg, msg );
512         talloc_free(msg);
513
514         if (ret != 0) {
515                 DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: samdb_replace failed\n"));    
516                 return WERR_FOOBAR;
517         }
518  
519         return WERR_OK;
520 }
521
522 WERROR dsdb_read_prefixes_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, uint32_t* num_prefixes, struct dsdb_schema_oid_prefix **prefixes)
523 {
524         struct prefixMapBlob *blob;
525         enum ndr_err_code ndr_err;
526         uint32_t i;
527         const struct ldb_val *prefix_val;
528         struct ldb_dn *schema_dn;
529         struct ldb_result *schema_res;
530         int ret;    
531         static const char *schema_attrs[] = {
532                 "prefixMap",
533                 NULL
534         };
535
536         schema_dn = samdb_schema_dn(ldb);
537         if (!schema_dn) {
538                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no schema dn present\n"));
539                 return WERR_FOOBAR;
540         }
541
542         ret = ldb_search(ldb, mem_ctx, &schema_res, schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
543         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
544                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefix map present\n"));
545                 talloc_free(schema_res);
546                 return WERR_FOOBAR;
547         } else if (ret != LDB_SUCCESS) {
548                 DEBUG(0,("dsdb_read_prefixes_from_ldb: failed to search the schema head\n"));
549                 talloc_free(schema_res);
550                 return WERR_FOOBAR;
551         }
552
553         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
554         if (!prefix_val) {
555                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefixMap attribute found\n"));
556                 talloc_free(schema_res);
557                 return WERR_FOOBAR;
558         }
559
560         blob = talloc(mem_ctx, struct prefixMapBlob);
561         W_ERROR_HAVE_NO_MEMORY(blob);
562
563         ndr_err = ndr_pull_struct_blob(prefix_val, blob, 
564                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), 
565                                            blob,
566                                            (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
567         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
568                 DEBUG(0,("dsdb_read_prefixes_from_ldb: ndr_pull_struct_blob failed\n"));
569                 talloc_free(blob);
570                 talloc_free(schema_res);
571                 return WERR_FOOBAR;
572         }
573
574         talloc_free(schema_res);
575
576         if (blob->version != PREFIX_MAP_VERSION_DSDB) {
577                 DEBUG(0,("dsdb_read_prefixes_from_ldb: blob->version incorect\n"));
578                 talloc_free(blob);
579                 return WERR_FOOBAR;
580         }
581         
582         *num_prefixes = blob->ctr.dsdb.num_mappings;
583         *prefixes = talloc_array(mem_ctx, struct dsdb_schema_oid_prefix, *num_prefixes);
584         if(!(*prefixes)) {
585                 talloc_free(blob);
586                 return WERR_NOMEM;
587         }
588         for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
589                 char *oid;
590                 (*prefixes)[i].id = blob->ctr.dsdb.mappings[i].id_prefix<<16;
591                 oid = talloc_strdup(mem_ctx, blob->ctr.dsdb.mappings[i].oid.oid);
592                 (*prefixes)[i].oid = talloc_asprintf_append(oid, "."); 
593                 (*prefixes)[i].oid_len = strlen((*prefixes)[i].oid);
594         }
595
596         talloc_free(blob);
597         return WERR_OK;
598 }
599
600 /*
601   this will be replaced with something that looks at the right part of
602   the schema once we know where unique indexing information is hidden
603  */
604 static bool dsdb_schema_unique_attribute(const char *attr)
605 {
606         const char *attrs[] = { "objectGUID", "objectSID" , NULL };
607         int i;
608         for (i=0;attrs[i];i++) {
609                 if (strcasecmp(attr, attrs[i]) == 0) {
610                         return true;
611                 }
612         }
613         return false;
614 }
615
616
617 /*
618   setup the ldb_schema_attribute field for a dsdb_attribute
619  */
620 static int dsdb_schema_setup_ldb_schema_attribute(struct ldb_context *ldb, 
621                                                   struct dsdb_attribute *attr)
622 {
623         const char *syntax = attr->syntax->ldb_syntax;
624         const struct ldb_schema_syntax *s;
625         struct ldb_schema_attribute *a;
626
627         if (!syntax) {
628                 syntax = attr->syntax->ldap_oid;
629         }
630
631         s = ldb_samba_syntax_by_lDAPDisplayName(ldb, attr->lDAPDisplayName);
632         if (s == NULL) {
633                 s = ldb_samba_syntax_by_name(ldb, syntax);
634         }
635         if (s == NULL) {
636                 s = ldb_standard_syntax_by_name(ldb, syntax);
637         }
638
639         if (s == NULL) {
640                 return LDB_ERR_OPERATIONS_ERROR;                
641         }
642
643         attr->ldb_schema_attribute = a = talloc(attr, struct ldb_schema_attribute);
644         if (attr->ldb_schema_attribute == NULL) {
645                 ldb_oom(ldb);
646                 return LDB_ERR_OPERATIONS_ERROR;
647         }
648
649         a->name = attr->lDAPDisplayName;
650         a->flags = 0;
651         a->syntax = s;
652
653         if (dsdb_schema_unique_attribute(a->name)) {
654                 a->flags |= LDB_ATTR_FLAG_UNIQUE_INDEX;
655         }
656         if (attr->isSingleValued) {
657                 a->flags |= LDB_ATTR_FLAG_SINGLE_VALUE;
658         }
659         
660         
661         return LDB_SUCCESS;
662 }
663
664
665 #define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
666         const struct ldb_val *get_string_val = ldb_msg_find_ldb_val(msg, attr); \
667         if (get_string_val == NULL) { \
668                 if (strict) {                                     \
669                         d_printf("%s: %s == NULL\n", __location__, attr); \
670                         return WERR_INVALID_PARAM;                      \
671                 } else {                                                \
672                         (p)->elem = NULL;                               \
673                 }                                                       \
674         } else {                                                        \
675                 (p)->elem = talloc_strndup(mem_ctx,                     \
676                                            (const char *)get_string_val->data, \
677                                            get_string_val->length); \
678                 if (!(p)->elem) {                                       \
679                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
680                         return WERR_NOMEM;                              \
681                 }                                                       \
682         }                                                               \
683 } while (0)
684
685 #define GET_STRING_LIST_LDB(msg, attr, mem_ctx, p, elem, strict) do {   \
686         int get_string_list_counter;                                    \
687         struct ldb_message_element *get_string_list_el = ldb_msg_find_element(msg, attr); \
688         if (get_string_list_el == NULL) {                               \
689                 if (strict) {                                           \
690                         d_printf("%s: %s == NULL\n", __location__, attr); \
691                         return WERR_INVALID_PARAM;                      \
692                 } else {                                                \
693                         (p)->elem = NULL;                               \
694                         break;                                          \
695                 }                                                       \
696         }                                                               \
697         (p)->elem = talloc_array(mem_ctx, const char *, get_string_list_el->num_values + 1); \
698         for (get_string_list_counter=0;                                 \
699              get_string_list_counter < get_string_list_el->num_values;  \
700              get_string_list_counter++) {                               \
701                 (p)->elem[get_string_list_counter] = talloc_strndup((p)->elem, \
702                                                                     (const char *)get_string_list_el->values[get_string_list_counter].data, \
703                                                                     get_string_list_el->values[get_string_list_counter].length); \
704                 if (!(p)->elem[get_string_list_counter]) {              \
705                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
706                         return WERR_NOMEM;                              \
707                 }                                                       \
708                 (p)->elem[get_string_list_counter+1] = NULL;            \
709         }                                                               \
710         talloc_steal(mem_ctx, (p)->elem);                               \
711 } while (0)
712
713 #define GET_BOOL_LDB(msg, attr, p, elem, strict) do { \
714         const char *str; \
715         str = samdb_result_string(msg, attr, NULL);\
716         if (str == NULL) { \
717                 if (strict) { \
718                         d_printf("%s: %s == NULL\n", __location__, attr); \
719                         return WERR_INVALID_PARAM; \
720                 } else { \
721                         (p)->elem = false; \
722                 } \
723         } else if (strcasecmp("TRUE", str) == 0) { \
724                 (p)->elem = true; \
725         } else if (strcasecmp("FALSE", str) == 0) { \
726                 (p)->elem = false; \
727         } else { \
728                 d_printf("%s: %s == %s\n", __location__, attr, str); \
729                 return WERR_INVALID_PARAM; \
730         } \
731 } while (0)
732
733 #define GET_UINT32_LDB(msg, attr, p, elem) do { \
734         (p)->elem = samdb_result_uint(msg, attr, 0);\
735 } while (0)
736
737 #define GET_UINT32_PTR_LDB(msg, attr, p, elem) do { \
738         uint64_t _v = samdb_result_uint64(msg, attr, UINT64_MAX);\
739         if (_v == UINT64_MAX) { \
740                 (p)->elem = NULL; \
741         } else if (_v > UINT32_MAX) { \
742                 d_printf("%s: %s == 0x%llX\n", __location__, \
743                          attr, (unsigned long long)_v); \
744                 return WERR_INVALID_PARAM; \
745         } else { \
746                 (p)->elem = talloc(mem_ctx, uint32_t); \
747                 if (!(p)->elem) { \
748                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
749                         return WERR_NOMEM; \
750                 } \
751                 *(p)->elem = (uint32_t)_v; \
752         } \
753 } while (0)
754
755 #define GET_GUID_LDB(msg, attr, p, elem) do { \
756         (p)->elem = samdb_result_guid(msg, attr);\
757 } while (0)
758
759 #define GET_BLOB_LDB(msg, attr, mem_ctx, p, elem) do { \
760         const struct ldb_val *_val;\
761         _val = ldb_msg_find_ldb_val(msg, attr);\
762         if (_val) {\
763                 (p)->elem = *_val;\
764                 talloc_steal(mem_ctx, (p)->elem.data);\
765         } else {\
766                 ZERO_STRUCT((p)->elem);\
767         }\
768 } while (0)
769
770 WERROR dsdb_attribute_from_ldb(struct ldb_context *ldb,
771                                const struct dsdb_schema *schema,
772                                struct ldb_message *msg,
773                                TALLOC_CTX *mem_ctx,
774                                struct dsdb_attribute *attr)
775 {
776         WERROR status;
777
778         GET_STRING_LDB(msg, "cn", mem_ctx, attr, cn, false);
779         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
780         GET_STRING_LDB(msg, "attributeID", mem_ctx, attr, attributeID_oid, true);
781         if (schema->num_prefixes == 0) {
782                 /* set an invalid value */
783                 attr->attributeID_id = 0xFFFFFFFF;
784         } else {
785                 status = dsdb_map_oid2int(schema, attr->attributeID_oid, &attr->attributeID_id);
786                 if (!W_ERROR_IS_OK(status)) {
787                         DEBUG(0,("%s: '%s': unable to map attributeID %s: %s\n",
788                                 __location__, attr->lDAPDisplayName, attr->attributeID_oid,
789                                 win_errstr(status)));
790                         return status;
791                 }
792         }
793         GET_GUID_LDB(msg, "schemaIDGUID", attr, schemaIDGUID);
794         GET_UINT32_LDB(msg, "mAPIID", attr, mAPIID);
795
796         GET_GUID_LDB(msg, "attributeSecurityGUID", attr, attributeSecurityGUID);
797
798         GET_UINT32_LDB(msg, "searchFlags", attr, searchFlags);
799         GET_UINT32_LDB(msg, "systemFlags", attr, systemFlags);
800         GET_BOOL_LDB(msg, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
801         GET_UINT32_LDB(msg, "linkID", attr, linkID);
802
803         GET_STRING_LDB(msg, "attributeSyntax", mem_ctx, attr, attributeSyntax_oid, true);
804         if (schema->num_prefixes == 0) {
805                 /* set an invalid value */
806                 attr->attributeSyntax_id = 0xFFFFFFFF;
807         } else {
808                 status = dsdb_map_oid2int(schema, attr->attributeSyntax_oid, &attr->attributeSyntax_id);
809                 if (!W_ERROR_IS_OK(status)) {
810                         DEBUG(0,("%s: '%s': unable to map attributeSyntax_ %s: %s\n",
811                                 __location__, attr->lDAPDisplayName, attr->attributeSyntax_oid,
812                                 win_errstr(status)));
813                         return status;
814                 }
815         }
816         GET_UINT32_LDB(msg, "oMSyntax", attr, oMSyntax);
817         GET_BLOB_LDB(msg, "oMObjectClass", mem_ctx, attr, oMObjectClass);
818
819         GET_BOOL_LDB(msg, "isSingleValued", attr, isSingleValued, true);
820         GET_UINT32_PTR_LDB(msg, "rangeLower", attr, rangeLower);
821         GET_UINT32_PTR_LDB(msg, "rangeUpper", attr, rangeUpper);
822         GET_BOOL_LDB(msg, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
823
824         GET_UINT32_LDB(msg, "schemaFlagsEx", attr, schemaFlagsEx);
825         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
826
827         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
828         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
829         GET_STRING_LDB(msg, "adminDescription", mem_ctx, attr, adminDescription, false);
830         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, attr, classDisplayName, false);
831         GET_BOOL_LDB(msg, "isEphemeral", attr, isEphemeral, false);
832         GET_BOOL_LDB(msg, "isDefunct", attr, isDefunct, false);
833         GET_BOOL_LDB(msg, "systemOnly", attr, systemOnly, false);
834
835         attr->syntax = dsdb_syntax_for_attribute(attr);
836         if (!attr->syntax) {
837                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
838         }
839
840         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
841                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
842         }
843
844         return WERR_OK;
845 }
846
847 WERROR dsdb_class_from_ldb(const struct dsdb_schema *schema,
848                            struct ldb_message *msg,
849                            TALLOC_CTX *mem_ctx,
850                            struct dsdb_class *obj)
851 {
852         WERROR status;
853
854         GET_STRING_LDB(msg, "cn", mem_ctx, obj, cn, false);
855         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
856         GET_STRING_LDB(msg, "governsID", mem_ctx, obj, governsID_oid, true);
857         if (schema->num_prefixes == 0) {
858                 /* set an invalid value */
859                 obj->governsID_id = 0xFFFFFFFF;
860         } else {
861                 status = dsdb_map_oid2int(schema, obj->governsID_oid, &obj->governsID_id);
862                 if (!W_ERROR_IS_OK(status)) {
863                         DEBUG(0,("%s: '%s': unable to map governsID %s: %s\n",
864                                 __location__, obj->lDAPDisplayName, obj->governsID_oid,
865                                 win_errstr(status)));
866                         return status;
867                 }
868         }
869         GET_GUID_LDB(msg, "schemaIDGUID", obj, schemaIDGUID);
870
871         GET_UINT32_LDB(msg, "objectClassCategory", obj, objectClassCategory);
872         GET_STRING_LDB(msg, "rDNAttID", mem_ctx, obj, rDNAttID, false);
873         GET_STRING_LDB(msg, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
874  
875         GET_STRING_LDB(msg, "subClassOf", mem_ctx, obj, subClassOf, true);
876
877         GET_STRING_LIST_LDB(msg, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
878         GET_STRING_LIST_LDB(msg, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);
879
880         GET_STRING_LIST_LDB(msg, "systemMustContain", mem_ctx, obj, systemMustContain, false);
881         GET_STRING_LIST_LDB(msg, "systemMayContain", mem_ctx, obj, systemMayContain, false);
882         GET_STRING_LIST_LDB(msg, "mustContain", mem_ctx, obj, mustContain, false);
883         GET_STRING_LIST_LDB(msg, "mayContain", mem_ctx, obj, mayContain, false);
884
885         GET_STRING_LIST_LDB(msg, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors, false);
886         GET_STRING_LIST_LDB(msg, "possSuperiors", mem_ctx, obj, possSuperiors, false);
887
888         GET_STRING_LDB(msg, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
889
890         GET_UINT32_LDB(msg, "schemaFlagsEx", obj, schemaFlagsEx);
891         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
892
893         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
894         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
895         GET_STRING_LDB(msg, "adminDescription", mem_ctx, obj, adminDescription, false);
896         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, obj, classDisplayName, false);
897         GET_BOOL_LDB(msg, "defaultHidingValue", obj, defaultHidingValue, false);
898         GET_BOOL_LDB(msg, "isDefunct", obj, isDefunct, false);
899         GET_BOOL_LDB(msg, "systemOnly", obj, systemOnly, false);
900
901         return WERR_OK;
902 }
903
904 #define dsdb_oom(error_string, mem_ctx) *error_string = talloc_asprintf(mem_ctx, "dsdb out of memory at %s:%d\n", __FILE__, __LINE__)
905
906 /* 
907  Create a DSDB schema from the ldb results provided.  This is called
908  directly when the schema is provisioned from an on-disk LDIF file, or
909  from dsdb_schema_from_schema_dn below
910 */
911
912 int dsdb_schema_from_ldb_results(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
913                                  struct smb_iconv_convenience *iconv_convenience, 
914                                  struct ldb_result *schema_res,
915                                  struct ldb_result *attrs_res, struct ldb_result *objectclass_res, 
916                                  struct dsdb_schema **schema_out,
917                                  char **error_string)
918 {
919         WERROR status;
920         uint32_t i;
921         const struct ldb_val *prefix_val;
922         const struct ldb_val *info_val;
923         struct ldb_val info_val_default;
924         struct dsdb_schema *schema;
925
926         schema = dsdb_new_schema(mem_ctx, iconv_convenience);
927         if (!schema) {
928                 dsdb_oom(error_string, mem_ctx);
929                 return LDB_ERR_OPERATIONS_ERROR;
930         }
931
932         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
933         if (!prefix_val) {
934                 *error_string = talloc_asprintf(mem_ctx, 
935                                                 "schema_fsmo_init: no prefixMap attribute found");
936                 return LDB_ERR_CONSTRAINT_VIOLATION;
937         }
938         info_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "schemaInfo");
939         if (!info_val) {
940                 info_val_default = strhex_to_data_blob(mem_ctx, "FF0000000000000000000000000000000000000000");
941                 if (!info_val_default.data) {
942                         dsdb_oom(error_string, mem_ctx);
943                         return LDB_ERR_OPERATIONS_ERROR;
944                 }
945                 info_val = &info_val_default;
946         }
947
948         status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
949         if (!W_ERROR_IS_OK(status)) {
950                 *error_string = talloc_asprintf(mem_ctx, 
951                               "schema_fsmo_init: failed to load oid mappings: %s",
952                               win_errstr(status));
953                 return LDB_ERR_CONSTRAINT_VIOLATION;
954         }
955
956         for (i=0; i < attrs_res->count; i++) {
957                 struct dsdb_attribute *sa;
958
959                 sa = talloc_zero(schema, struct dsdb_attribute);
960                 if (!sa) {
961                         dsdb_oom(error_string, mem_ctx);
962                         return LDB_ERR_OPERATIONS_ERROR;
963                 }
964
965                 status = dsdb_attribute_from_ldb(ldb, schema, attrs_res->msgs[i], sa, sa);
966                 if (!W_ERROR_IS_OK(status)) {
967                         *error_string = talloc_asprintf(mem_ctx, 
968                                       "schema_fsmo_init: failed to load attribute definition: %s:%s",
969                                       ldb_dn_get_linearized(attrs_res->msgs[i]->dn),
970                                       win_errstr(status));
971                         return LDB_ERR_CONSTRAINT_VIOLATION;
972                 }
973
974                 DLIST_ADD(schema->attributes, sa);
975         }
976
977         for (i=0; i < objectclass_res->count; i++) {
978                 struct dsdb_class *sc;
979
980                 sc = talloc_zero(schema, struct dsdb_class);
981                 if (!sc) {
982                         dsdb_oom(error_string, mem_ctx);
983                         return LDB_ERR_OPERATIONS_ERROR;
984                 }
985
986                 status = dsdb_class_from_ldb(schema, objectclass_res->msgs[i], sc, sc);
987                 if (!W_ERROR_IS_OK(status)) {
988                         *error_string = talloc_asprintf(mem_ctx, 
989                                       "schema_fsmo_init: failed to load class definition: %s:%s",
990                                       ldb_dn_get_linearized(objectclass_res->msgs[i]->dn),
991                                       win_errstr(status));
992                         return LDB_ERR_CONSTRAINT_VIOLATION;
993                 }
994
995                 DLIST_ADD(schema->classes, sc);
996         }
997
998         schema->fsmo.master_dn = ldb_msg_find_attr_as_dn(ldb, schema, schema_res->msgs[0], "fSMORoleOwner");
999         if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), schema->fsmo.master_dn) == 0) {
1000                 schema->fsmo.we_are_master = true;
1001         } else {
1002                 schema->fsmo.we_are_master = false;
1003         }
1004
1005         DEBUG(5, ("schema_fsmo_init: we are master: %s\n",
1006                   (schema->fsmo.we_are_master?"yes":"no")));
1007
1008         *schema_out = schema;
1009         return LDB_SUCCESS;
1010 }
1011
1012 /*
1013   Given an LDB, and the DN, return a populated schema
1014 */
1015
1016 int dsdb_schema_from_schema_dn(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
1017                                struct smb_iconv_convenience *iconv_convenience, 
1018                                struct ldb_dn *schema_dn,
1019                                struct dsdb_schema **schema,
1020                                char **error_string_out) 
1021 {
1022         TALLOC_CTX *tmp_ctx;
1023         char *error_string;
1024         int ret;
1025
1026         struct ldb_result *schema_res;
1027         struct ldb_result *a_res;
1028         struct ldb_result *c_res;
1029         static const char *schema_attrs[] = {
1030                 "prefixMap",
1031                 "schemaInfo",
1032                 "fSMORoleOwner",
1033                 NULL
1034         };
1035         unsigned flags;
1036
1037         tmp_ctx = talloc_new(mem_ctx);
1038         if (!tmp_ctx) {
1039                 dsdb_oom(error_string_out, mem_ctx);
1040                 return LDB_ERR_OPERATIONS_ERROR;
1041         }
1042
1043         /* we don't want to trace the schema load */
1044         flags = ldb_get_flags(ldb);
1045         ldb_set_flags(ldb, flags & ~LDB_FLG_ENABLE_TRACING);
1046
1047         /*
1048          * setup the prefix mappings and schema info
1049          */
1050         ret = ldb_search(ldb, tmp_ctx, &schema_res,
1051                          schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
1052         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1053                 goto failed;
1054         } else if (ret != LDB_SUCCESS) {
1055                 *error_string_out = talloc_asprintf(mem_ctx, 
1056                                        "dsdb_schema: failed to search the schema head: %s",
1057                                        ldb_errstring(ldb));
1058                 goto failed;
1059         }
1060         if (schema_res->count != 1) {
1061                 *error_string_out = talloc_asprintf(mem_ctx, 
1062                               "dsdb_schema: [%u] schema heads found on a base search",
1063                               schema_res->count);
1064                 goto failed;
1065         }
1066
1067         /*
1068          * load the attribute definitions
1069          */
1070         ret = ldb_search(ldb, tmp_ctx, &a_res,
1071                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1072                          "(objectClass=attributeSchema)");
1073         if (ret != LDB_SUCCESS) {
1074                 *error_string_out = talloc_asprintf(mem_ctx, 
1075                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1076                                        ldb_errstring(ldb));
1077                 goto failed;
1078         }
1079
1080         /*
1081          * load the objectClass definitions
1082          */
1083         ret = ldb_search(ldb, tmp_ctx, &c_res,
1084                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1085                          "(objectClass=classSchema)");
1086         if (ret != LDB_SUCCESS) {
1087                 *error_string_out = talloc_asprintf(mem_ctx, 
1088                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1089                                        ldb_errstring(ldb));
1090                 goto failed;
1091         }
1092
1093         ret = dsdb_schema_from_ldb_results(tmp_ctx, ldb,
1094                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
1095                                            schema_res, a_res, c_res, schema, &error_string);
1096         if (ret != LDB_SUCCESS) {
1097                 *error_string_out = talloc_asprintf(mem_ctx, 
1098                                                     "dsdb_schema load failed: %s",
1099                                                     error_string);
1100                 goto failed;
1101         }
1102         talloc_steal(mem_ctx, *schema);
1103         talloc_free(tmp_ctx);
1104
1105         if (flags & LDB_FLG_ENABLE_TRACING) {
1106                 flags = ldb_get_flags(ldb);
1107                 ldb_set_flags(ldb, flags | LDB_FLG_ENABLE_TRACING);
1108         }
1109
1110         return LDB_SUCCESS;
1111
1112 failed:
1113         if (flags & LDB_FLG_ENABLE_TRACING) {
1114                 flags = ldb_get_flags(ldb);
1115                 ldb_set_flags(ldb, flags | LDB_FLG_ENABLE_TRACING);
1116         }
1117         talloc_free(tmp_ctx);
1118         return ret;
1119 }       
1120
1121
1122 static const struct {
1123         const char *name;
1124         const char *oid;
1125 } name_mappings[] = {
1126         { "cn",                                 "2.5.4.3" },
1127         { "name",                               "1.2.840.113556.1.4.1" },
1128         { "lDAPDisplayName",                    "1.2.840.113556.1.2.460" },
1129         { "attributeID",                        "1.2.840.113556.1.2.30" },
1130         { "schemaIDGUID",                       "1.2.840.113556.1.4.148" },
1131         { "mAPIID",                             "1.2.840.113556.1.2.49" },
1132         { "attributeSecurityGUID",              "1.2.840.113556.1.4.149" },
1133         { "searchFlags",                        "1.2.840.113556.1.2.334" },
1134         { "systemFlags",                        "1.2.840.113556.1.4.375" },
1135         { "isMemberOfPartialAttributeSet",      "1.2.840.113556.1.4.639" },
1136         { "linkID",                             "1.2.840.113556.1.2.50" },
1137         { "attributeSyntax",                    "1.2.840.113556.1.2.32" },
1138         { "oMSyntax",                           "1.2.840.113556.1.2.231" },
1139         { "oMObjectClass",                      "1.2.840.113556.1.2.218" },
1140         { "isSingleValued",                     "1.2.840.113556.1.2.33" },
1141         { "rangeLower",                         "1.2.840.113556.1.2.34" },
1142         { "rangeUpper",                         "1.2.840.113556.1.2.35" },
1143         { "extendedCharsAllowed",               "1.2.840.113556.1.2.380" },
1144         { "schemaFlagsEx",                      "1.2.840.113556.1.4.120" },
1145         { "msDs-Schema-Extensions",             "1.2.840.113556.1.4.1440" },
1146         { "showInAdvancedViewOnly",             "1.2.840.113556.1.2.169" },
1147         { "adminDisplayName",                   "1.2.840.113556.1.2.194" },
1148         { "adminDescription",                   "1.2.840.113556.1.2.226" },
1149         { "classDisplayName",                   "1.2.840.113556.1.4.610" },
1150         { "isEphemeral",                        "1.2.840.113556.1.4.1212" },
1151         { "isDefunct",                          "1.2.840.113556.1.4.661" },
1152         { "systemOnly",                         "1.2.840.113556.1.4.170" },
1153         { "governsID",                          "1.2.840.113556.1.2.22" },
1154         { "objectClassCategory",                "1.2.840.113556.1.2.370" },
1155         { "rDNAttID",                           "1.2.840.113556.1.2.26" },
1156         { "defaultObjectCategory",              "1.2.840.113556.1.4.783" },
1157         { "subClassOf",                         "1.2.840.113556.1.2.21" },
1158         { "systemAuxiliaryClass",               "1.2.840.113556.1.4.198" },
1159         { "systemPossSuperiors",                "1.2.840.113556.1.4.195" },
1160         { "systemMustContain",                  "1.2.840.113556.1.4.197" },
1161         { "systemMayContain",                   "1.2.840.113556.1.4.196" },
1162         { "auxiliaryClass",                     "1.2.840.113556.1.2.351" },
1163         { "possSuperiors",                      "1.2.840.113556.1.2.8" },
1164         { "mustContain",                        "1.2.840.113556.1.2.24" },
1165         { "mayContain",                         "1.2.840.113556.1.2.25" },
1166         { "defaultSecurityDescriptor",          "1.2.840.113556.1.4.224" },
1167         { "defaultHidingValue",                 "1.2.840.113556.1.4.518" },
1168 };
1169
1170 static struct drsuapi_DsReplicaAttribute *dsdb_find_object_attr_name(struct dsdb_schema *schema,
1171                                                                      struct drsuapi_DsReplicaObject *obj,
1172                                                                      const char *name,
1173                                                                      uint32_t *idx)
1174 {
1175         WERROR status;
1176         uint32_t i, id;
1177         const char *oid = NULL;
1178
1179         for(i=0; i < ARRAY_SIZE(name_mappings); i++) {
1180                 if (strcmp(name_mappings[i].name, name) != 0) continue;
1181
1182                 oid = name_mappings[i].oid;
1183                 break;
1184         }
1185
1186         if (!oid) {
1187                 return NULL;
1188         }
1189
1190         status = dsdb_map_oid2int(schema, oid, &id);
1191         if (!W_ERROR_IS_OK(status)) {
1192                 return NULL;
1193         }
1194
1195         for (i=0; i < obj->attribute_ctr.num_attributes; i++) {
1196                 if (obj->attribute_ctr.attributes[i].attid != id) continue;
1197
1198                 if (idx) *idx = i;
1199                 return &obj->attribute_ctr.attributes[i];
1200         }
1201
1202         return NULL;
1203 }
1204
1205 #define GET_STRING_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1206         struct drsuapi_DsReplicaAttribute *_a; \
1207         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1208         if (strict && !_a) { \
1209                 d_printf("%s: %s == NULL\n", __location__, attr); \
1210                 return WERR_INVALID_PARAM; \
1211         } \
1212         if (strict && _a->value_ctr.num_values != 1) { \
1213                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1214                         _a->value_ctr.num_values); \
1215                 return WERR_INVALID_PARAM; \
1216         } \
1217         if (_a && _a->value_ctr.num_values >= 1) { \
1218                 size_t _ret; \
1219                 if (!convert_string_talloc_convenience(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
1220                                              _a->value_ctr.values[0].blob->data, \
1221                                              _a->value_ctr.values[0].blob->length, \
1222                                              (void **)discard_const(&(p)->elem), &_ret, false)) { \
1223                         DEBUG(0,("%s: invalid data!\n", attr)); \
1224                         dump_data(0, \
1225                                      _a->value_ctr.values[0].blob->data, \
1226                                      _a->value_ctr.values[0].blob->length); \
1227                         return WERR_FOOBAR; \
1228                 } \
1229         } else { \
1230                 (p)->elem = NULL; \
1231         } \
1232 } while (0)
1233
1234 #define GET_UINT32_LIST_DS(s, r, attr, mem_ctx, p, elem) do { \
1235         int list_counter;                                       \
1236         struct drsuapi_DsReplicaAttribute *_a; \
1237         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1238         (p)->elem = _a ? talloc_array(mem_ctx, uint32_t, _a->value_ctr.num_values + 1) : NULL; \
1239         for (list_counter=0;                                    \
1240              _a && list_counter < _a->value_ctr.num_values;     \
1241              list_counter++) {                          \
1242                 if (_a->value_ctr.values[list_counter].blob->length != 4) { \
1243                         return WERR_INVALID_PARAM;                      \
1244                 }                                                       \
1245                 (p)->elem[list_counter] = IVAL(_a->value_ctr.values[list_counter].blob->data, 0); \
1246         }                                                               \
1247         if (_a) (p)->elem[list_counter] = 0;                            \
1248 } while (0)
1249
1250 #define GET_DN_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1251         struct drsuapi_DsReplicaAttribute *_a; \
1252         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1253         if (strict && !_a) { \
1254                 d_printf("%s: %s == NULL\n", __location__, attr); \
1255                 return WERR_INVALID_PARAM; \
1256         } \
1257         if (strict && _a->value_ctr.num_values != 1) { \
1258                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1259                         _a->value_ctr.num_values); \
1260                 return WERR_INVALID_PARAM; \
1261         } \
1262         if (strict && !_a->value_ctr.values[0].blob) { \
1263                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1264                 return WERR_INVALID_PARAM; \
1265         } \
1266         if (_a && _a->value_ctr.num_values >= 1 \
1267             && _a->value_ctr.values[0].blob) { \
1268                 struct drsuapi_DsReplicaObjectIdentifier3 _id3; \
1269                 enum ndr_err_code _ndr_err; \
1270                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1271                                                       mem_ctx, s->iconv_convenience, &_id3,\
1272                                                       (ndr_pull_flags_fn_t)ndr_pull_drsuapi_DsReplicaObjectIdentifier3);\
1273                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1274                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1275                         return ntstatus_to_werror(_nt_status); \
1276                 } \
1277                 (p)->elem = _id3.dn; \
1278         } else { \
1279                 (p)->elem = NULL; \
1280         } \
1281 } while (0)
1282
1283 #define GET_BOOL_DS(s, r, attr, p, elem, strict) do { \
1284         struct drsuapi_DsReplicaAttribute *_a; \
1285         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1286         if (strict && !_a) { \
1287                 d_printf("%s: %s == NULL\n", __location__, attr); \
1288                 return WERR_INVALID_PARAM; \
1289         } \
1290         if (strict && _a->value_ctr.num_values != 1) { \
1291                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1292                          (unsigned int)_a->value_ctr.num_values);       \
1293                 return WERR_INVALID_PARAM; \
1294         } \
1295         if (strict && !_a->value_ctr.values[0].blob) { \
1296                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1297                 return WERR_INVALID_PARAM; \
1298         } \
1299         if (strict && _a->value_ctr.values[0].blob->length != 4) { \
1300                 d_printf("%s: %s length == %u\n", __location__, attr, \
1301                          (unsigned int)_a->value_ctr.values[0].blob->length); \
1302                 return WERR_INVALID_PARAM; \
1303         } \
1304         if (_a && _a->value_ctr.num_values >= 1 \
1305             && _a->value_ctr.values[0].blob \
1306             && _a->value_ctr.values[0].blob->length == 4) { \
1307                 (p)->elem = (IVAL(_a->value_ctr.values[0].blob->data,0)?true:false);\
1308         } else { \
1309                 (p)->elem = false; \
1310         } \
1311 } while (0)
1312
1313 #define GET_UINT32_DS(s, r, attr, p, elem) do { \
1314         struct drsuapi_DsReplicaAttribute *_a; \
1315         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1316         if (_a && _a->value_ctr.num_values >= 1 \
1317             && _a->value_ctr.values[0].blob \
1318             && _a->value_ctr.values[0].blob->length == 4) { \
1319                 (p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1320         } else { \
1321                 (p)->elem = 0; \
1322         } \
1323 } while (0)
1324
1325 #define GET_UINT32_PTR_DS(s, r, attr, p, elem) do { \
1326         struct drsuapi_DsReplicaAttribute *_a; \
1327         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1328         if (_a && _a->value_ctr.num_values >= 1 \
1329             && _a->value_ctr.values[0].blob \
1330             && _a->value_ctr.values[0].blob->length == 4) { \
1331                 (p)->elem = talloc(mem_ctx, uint32_t); \
1332                 if (!(p)->elem) { \
1333                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
1334                         return WERR_NOMEM; \
1335                 } \
1336                 *(p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1337         } else { \
1338                 (p)->elem = NULL; \
1339         } \
1340 } while (0)
1341
1342 #define GET_GUID_DS(s, r, attr, mem_ctx, p, elem) do { \
1343         struct drsuapi_DsReplicaAttribute *_a; \
1344         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1345         if (_a && _a->value_ctr.num_values >= 1 \
1346             && _a->value_ctr.values[0].blob \
1347             && _a->value_ctr.values[0].blob->length == 16) { \
1348                 enum ndr_err_code _ndr_err; \
1349                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1350                                                       mem_ctx, s->iconv_convenience, &(p)->elem, \
1351                                                       (ndr_pull_flags_fn_t)ndr_pull_GUID); \
1352                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1353                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1354                         return ntstatus_to_werror(_nt_status); \
1355                 } \
1356         } else { \
1357                 ZERO_STRUCT((p)->elem);\
1358         } \
1359 } while (0)
1360
1361 #define GET_BLOB_DS(s, r, attr, mem_ctx, p, elem) do { \
1362         struct drsuapi_DsReplicaAttribute *_a; \
1363         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1364         if (_a && _a->value_ctr.num_values >= 1 \
1365             && _a->value_ctr.values[0].blob) { \
1366                 (p)->elem = *_a->value_ctr.values[0].blob;\
1367                 talloc_steal(mem_ctx, (p)->elem.data); \
1368         } else { \
1369                 ZERO_STRUCT((p)->elem);\
1370         }\
1371 } while (0)
1372
1373 WERROR dsdb_attribute_from_drsuapi(struct ldb_context *ldb,
1374                                    struct dsdb_schema *schema,
1375                                    struct drsuapi_DsReplicaObject *r,
1376                                    TALLOC_CTX *mem_ctx,
1377                                    struct dsdb_attribute *attr)
1378 {
1379         WERROR status;
1380
1381         GET_STRING_DS(schema, r, "name", mem_ctx, attr, cn, true);
1382         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
1383         GET_UINT32_DS(schema, r, "attributeID", attr, attributeID_id);
1384         status = dsdb_map_int2oid(schema, attr->attributeID_id, mem_ctx, &attr->attributeID_oid);
1385         if (!W_ERROR_IS_OK(status)) {
1386                 DEBUG(0,("%s: '%s': unable to map attributeID 0x%08X: %s\n",
1387                         __location__, attr->lDAPDisplayName, attr->attributeID_id,
1388                         win_errstr(status)));
1389                 return status;
1390         }
1391         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, attr, schemaIDGUID);
1392         GET_UINT32_DS(schema, r, "mAPIID", attr, mAPIID);
1393
1394         GET_GUID_DS(schema, r, "attributeSecurityGUID", mem_ctx, attr, attributeSecurityGUID);
1395
1396         GET_UINT32_DS(schema, r, "searchFlags", attr, searchFlags);
1397         GET_UINT32_DS(schema, r, "systemFlags", attr, systemFlags);
1398         GET_BOOL_DS(schema, r, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
1399         GET_UINT32_DS(schema, r, "linkID", attr, linkID);
1400
1401         GET_UINT32_DS(schema, r, "attributeSyntax", attr, attributeSyntax_id);
1402         status = dsdb_map_int2oid(schema, attr->attributeSyntax_id, mem_ctx, &attr->attributeSyntax_oid);
1403         if (!W_ERROR_IS_OK(status)) {
1404                 DEBUG(0,("%s: '%s': unable to map attributeSyntax 0x%08X: %s\n",
1405                         __location__, attr->lDAPDisplayName, attr->attributeSyntax_id,
1406                         win_errstr(status)));
1407                 return status;
1408         }
1409         GET_UINT32_DS(schema, r, "oMSyntax", attr, oMSyntax);
1410         GET_BLOB_DS(schema, r, "oMObjectClass", mem_ctx, attr, oMObjectClass);
1411
1412         GET_BOOL_DS(schema, r, "isSingleValued", attr, isSingleValued, true);
1413         GET_UINT32_PTR_DS(schema, r, "rangeLower", attr, rangeLower);
1414         GET_UINT32_PTR_DS(schema, r, "rangeUpper", attr, rangeUpper);
1415         GET_BOOL_DS(schema, r, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
1416
1417         GET_UINT32_DS(schema, r, "schemaFlagsEx", attr, schemaFlagsEx);
1418         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
1419
1420         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
1421         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
1422         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, attr, adminDescription, false);
1423         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, attr, classDisplayName, false);
1424         GET_BOOL_DS(schema, r, "isEphemeral", attr, isEphemeral, false);
1425         GET_BOOL_DS(schema, r, "isDefunct", attr, isDefunct, false);
1426         GET_BOOL_DS(schema, r, "systemOnly", attr, systemOnly, false);
1427
1428         attr->syntax = dsdb_syntax_for_attribute(attr);
1429         if (!attr->syntax) {
1430                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1431         }
1432
1433         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
1434                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1435         }
1436
1437         return WERR_OK;
1438 }
1439
1440 WERROR dsdb_class_from_drsuapi(struct dsdb_schema *schema,
1441                                struct drsuapi_DsReplicaObject *r,
1442                                TALLOC_CTX *mem_ctx,
1443                                struct dsdb_class *obj)
1444 {
1445         WERROR status;
1446
1447         GET_STRING_DS(schema, r, "name", mem_ctx, obj, cn, true);
1448         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
1449         GET_UINT32_DS(schema, r, "governsID", obj, governsID_id);
1450         status = dsdb_map_int2oid(schema, obj->governsID_id, mem_ctx, &obj->governsID_oid);
1451         if (!W_ERROR_IS_OK(status)) {
1452                 DEBUG(0,("%s: '%s': unable to map governsID 0x%08X: %s\n",
1453                         __location__, obj->lDAPDisplayName, obj->governsID_id,
1454                         win_errstr(status)));
1455                 return status;
1456         }
1457         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, obj, schemaIDGUID);
1458
1459         GET_UINT32_DS(schema, r, "objectClassCategory", obj, objectClassCategory);
1460         GET_STRING_DS(schema, r, "rDNAttID", mem_ctx, obj, rDNAttID, false);
1461         GET_DN_DS(schema, r, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
1462
1463         GET_UINT32_DS(schema, r, "subClassOf", obj, subClassOf_id);
1464
1465         GET_UINT32_LIST_DS(schema, r, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass_ids);
1466         GET_UINT32_LIST_DS(schema, r, "auxiliaryClass", mem_ctx, obj, auxiliaryClass_ids);
1467
1468         GET_UINT32_LIST_DS(schema, r, "systemMustContain", mem_ctx, obj, systemMustContain_ids);
1469         GET_UINT32_LIST_DS(schema, r, "systemMayContain", mem_ctx, obj, systemMayContain_ids);
1470         GET_UINT32_LIST_DS(schema, r, "mustContain", mem_ctx, obj, mustContain_ids);
1471         GET_UINT32_LIST_DS(schema, r, "mayContain", mem_ctx, obj, mayContain_ids);
1472
1473         GET_UINT32_LIST_DS(schema, r, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors_ids);
1474         GET_UINT32_LIST_DS(schema, r, "possSuperiors", mem_ctx, obj, possSuperiors_ids);
1475
1476         GET_STRING_DS(schema, r, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
1477
1478         GET_UINT32_DS(schema, r, "schemaFlagsEx", obj, schemaFlagsEx);
1479         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
1480
1481         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
1482         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
1483         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, obj, adminDescription, false);
1484         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, obj, classDisplayName, false);
1485         GET_BOOL_DS(schema, r, "defaultHidingValue", obj, defaultHidingValue, false);
1486         GET_BOOL_DS(schema, r, "isDefunct", obj, isDefunct, false);
1487         GET_BOOL_DS(schema, r, "systemOnly", obj, systemOnly, false);
1488
1489         return WERR_OK;
1490 }
1491