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