86f9cae4068e9c4a3530e1cb3486df6bc54b3c28
[ira/wip.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;
462         struct ldb_dn *schema_dn;
463         struct ldb_message_element el;
464         struct prefixMapBlob pm;
465         struct ldb_val ndr_blob;
466         enum ndr_err_code ndr_err;
467         uint32_t i;
468         int ret;
469         
470         schema_dn = samdb_schema_dn(ldb);
471         if (!schema_dn) {
472                 DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: no schema dn present\n"));    
473                 return WERR_FOOBAR;
474         }
475
476         pm.version                      = PREFIX_MAP_VERSION_DSDB;
477         pm.ctr.dsdb.num_mappings        = schema->num_prefixes;
478         pm.ctr.dsdb.mappings            = talloc_array(mem_ctx,
479                                                 struct drsuapi_DsReplicaOIDMapping,
480                                                 pm.ctr.dsdb.num_mappings);
481         if (!pm.ctr.dsdb.mappings) {
482                 return WERR_NOMEM;
483         }
484
485         for (i=0; i < schema->num_prefixes; i++) {
486                 pm.ctr.dsdb.mappings[i].id_prefix = schema->prefixes[i].id>>16;
487                 pm.ctr.dsdb.mappings[i].oid.oid = talloc_strdup(pm.ctr.dsdb.mappings, schema->prefixes[i].oid);
488         }
489
490         ndr_err = ndr_push_struct_blob(&ndr_blob, ldb,
491                                        lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
492                                        &pm,
493                                        (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
494         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
495                 return WERR_FOOBAR;
496         }
497  
498         el.num_values = 1;
499         el.values = &ndr_blob;
500         el.flags = LDB_FLAG_MOD_REPLACE;
501         el.name = talloc_strdup(mem_ctx, "prefixMap");
502  
503         msg.dn = ldb_dn_copy(mem_ctx, schema_dn);
504         msg.num_elements = 1;
505         msg.elements = &el;
506  
507         ret = ldb_modify( ldb, &msg );
508         if (ret != 0) {
509                 DEBUG(0,("dsdb_write_prefixes_from_schema_to_ldb: ldb_modify failed\n"));       
510                 return WERR_FOOBAR;
511         }
512  
513         return WERR_OK;
514 }
515
516 WERROR dsdb_read_prefixes_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, uint32_t* num_prefixes, struct dsdb_schema_oid_prefix **prefixes)
517 {
518         struct prefixMapBlob *blob;
519         enum ndr_err_code ndr_err;
520         uint32_t i;
521         const struct ldb_val *prefix_val;
522         struct ldb_dn *schema_dn;
523         struct ldb_result *schema_res;
524         int ret;    
525         static const char *schema_attrs[] = {
526                 "prefixMap",
527                 NULL
528         };
529
530         schema_dn = samdb_schema_dn(ldb);
531         if (!schema_dn) {
532                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no schema dn present\n"));
533                 return WERR_FOOBAR;
534         }
535
536         ret = ldb_search(ldb, mem_ctx, &schema_res, schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
537         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
538                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefix map present\n"));
539                 talloc_free(schema_res);
540                 return WERR_FOOBAR;
541         } else if (ret != LDB_SUCCESS) {
542                 DEBUG(0,("dsdb_read_prefixes_from_ldb: failed to search the schema head\n"));
543                 talloc_free(schema_res);
544                 return WERR_FOOBAR;
545         }
546
547         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
548         if (!prefix_val) {
549                 DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefixMap attribute found\n"));
550                 talloc_free(schema_res);
551                 return WERR_FOOBAR;
552         }
553
554         blob = talloc(mem_ctx, struct prefixMapBlob);
555         W_ERROR_HAVE_NO_MEMORY(blob);
556
557         ndr_err = ndr_pull_struct_blob(prefix_val, blob, 
558                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), 
559                                            blob,
560                                            (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
561         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
562                 DEBUG(0,("dsdb_read_prefixes_from_ldb: ndr_pull_struct_blob failed\n"));
563                 talloc_free(blob);
564                 talloc_free(schema_res);
565                 return WERR_FOOBAR;
566         }
567
568         talloc_free(schema_res);
569
570         if (blob->version != PREFIX_MAP_VERSION_DSDB) {
571                 DEBUG(0,("dsdb_read_prefixes_from_ldb: blob->version incorect\n"));
572                 talloc_free(blob);
573                 return WERR_FOOBAR;
574         }
575         
576         *num_prefixes = blob->ctr.dsdb.num_mappings;
577         *prefixes = talloc_array(mem_ctx, struct dsdb_schema_oid_prefix, *num_prefixes);
578         if(!(*prefixes)) {
579                 talloc_free(blob);
580                 return WERR_NOMEM;
581         }
582         for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
583                 char *oid;
584                 (*prefixes)[i].id = blob->ctr.dsdb.mappings[i].id_prefix<<16;
585                 oid = talloc_strdup(mem_ctx, blob->ctr.dsdb.mappings[i].oid.oid);
586                 (*prefixes)[i].oid = talloc_asprintf_append(oid, "."); 
587                 (*prefixes)[i].oid_len = strlen((*prefixes)[i].oid);
588         }
589
590         talloc_free(blob);
591         return WERR_OK;
592 }
593
594 /*
595   this will be replaced with something that looks at the right part of
596   the schema once we know where unique indexing information is hidden
597  */
598 static bool dsdb_schema_unique_attribute(const char *attr)
599 {
600         const char *attrs[] = { "objectGUID", "objectSID" , NULL };
601         int i;
602         for (i=0;attrs[i];i++) {
603                 if (strcasecmp(attr, attrs[i]) == 0) {
604                         return true;
605                 }
606         }
607         return false;
608 }
609
610
611 /*
612   setup the ldb_schema_attribute field for a dsdb_attribute
613  */
614 static int dsdb_schema_setup_ldb_schema_attribute(struct ldb_context *ldb, 
615                                                   struct dsdb_attribute *attr)
616 {
617         const char *syntax = attr->syntax->ldb_syntax;
618         const struct ldb_schema_syntax *s;
619         struct ldb_schema_attribute *a;
620
621         if (!syntax) {
622                 syntax = attr->syntax->ldap_oid;
623         }
624
625         s = ldb_samba_syntax_by_lDAPDisplayName(ldb, attr->lDAPDisplayName);
626         if (s == NULL) {
627                 s = ldb_samba_syntax_by_name(ldb, syntax);
628         }
629         if (s == NULL) {
630                 s = ldb_standard_syntax_by_name(ldb, syntax);
631         }
632
633         if (s == NULL) {
634                 return LDB_ERR_OPERATIONS_ERROR;                
635         }
636
637         attr->ldb_schema_attribute = a = talloc(attr, struct ldb_schema_attribute);
638         if (attr->ldb_schema_attribute == NULL) {
639                 ldb_oom(ldb);
640                 return LDB_ERR_OPERATIONS_ERROR;
641         }
642
643         a->name = attr->lDAPDisplayName;
644         a->flags = 0;
645         a->syntax = s;
646
647         if (dsdb_schema_unique_attribute(a->name)) {
648                 a->flags |= LDB_ATTR_FLAG_UNIQUE_INDEX;
649         }
650         
651         return LDB_SUCCESS;
652 }
653
654
655 #define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
656         struct ldb_val *get_string_val = ldb_msg_find_ldb_val(msg, attr); \
657         if (get_string_val == NULL) { \
658                 if (strict) {                                     \
659                         d_printf("%s: %s == NULL\n", __location__, attr); \
660                         return WERR_INVALID_PARAM;                      \
661                 } else {                                                \
662                         (p)->elem = NULL;                               \
663                 }                                                       \
664         } else {                                                        \
665                 (p)->elem = talloc_strndup(mem_ctx,                     \
666                                            (const char *)get_string_val->data, \
667                                            get_string_val->length); \
668                 if (!(p)->elem) {                                       \
669                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
670                         return WERR_NOMEM;                              \
671                 }                                                       \
672         }                                                               \
673 } while (0)
674
675 #define GET_STRING_LIST_LDB(msg, attr, mem_ctx, p, elem, strict) do {   \
676         int get_string_list_counter;                                    \
677         struct ldb_message_element *get_string_list_el = ldb_msg_find_element(msg, attr); \
678         if (get_string_list_el == NULL) {                               \
679                 if (strict) {                                           \
680                         d_printf("%s: %s == NULL\n", __location__, attr); \
681                         return WERR_INVALID_PARAM;                      \
682                 } else {                                                \
683                         (p)->elem = NULL;                               \
684                         break;                                          \
685                 }                                                       \
686         }                                                               \
687         (p)->elem = talloc_array(mem_ctx, const char *, get_string_list_el->num_values + 1); \
688         for (get_string_list_counter=0;                                 \
689              get_string_list_counter < get_string_list_el->num_values;  \
690              get_string_list_counter++) {                               \
691                 (p)->elem[get_string_list_counter] = talloc_strndup((p)->elem, \
692                                                                     (const char *)get_string_list_el->values[get_string_list_counter].data, \
693                                                                     get_string_list_el->values[get_string_list_counter].length); \
694                 if (!(p)->elem[get_string_list_counter]) {              \
695                         d_printf("%s: talloc_strndup failed for %s\n", __location__, attr); \
696                         return WERR_NOMEM;                              \
697                 }                                                       \
698                 (p)->elem[get_string_list_counter+1] = NULL;            \
699         }                                                               \
700         talloc_steal(mem_ctx, (p)->elem);                               \
701 } while (0)
702
703 #define GET_BOOL_LDB(msg, attr, p, elem, strict) do { \
704         const char *str; \
705         str = samdb_result_string(msg, attr, NULL);\
706         if (str == NULL) { \
707                 if (strict) { \
708                         d_printf("%s: %s == NULL\n", __location__, attr); \
709                         return WERR_INVALID_PARAM; \
710                 } else { \
711                         (p)->elem = false; \
712                 } \
713         } else if (strcasecmp("TRUE", str) == 0) { \
714                 (p)->elem = true; \
715         } else if (strcasecmp("FALSE", str) == 0) { \
716                 (p)->elem = false; \
717         } else { \
718                 d_printf("%s: %s == %s\n", __location__, attr, str); \
719                 return WERR_INVALID_PARAM; \
720         } \
721 } while (0)
722
723 #define GET_UINT32_LDB(msg, attr, p, elem) do { \
724         (p)->elem = samdb_result_uint(msg, attr, 0);\
725 } while (0)
726
727 #define GET_UINT32_PTR_LDB(msg, attr, p, elem) do { \
728         uint64_t _v = samdb_result_uint64(msg, attr, UINT64_MAX);\
729         if (_v == UINT64_MAX) { \
730                 (p)->elem = NULL; \
731         } else if (_v > UINT32_MAX) { \
732                 d_printf("%s: %s == 0x%llX\n", __location__, \
733                          attr, (unsigned long long)_v); \
734                 return WERR_INVALID_PARAM; \
735         } else { \
736                 (p)->elem = talloc(mem_ctx, uint32_t); \
737                 if (!(p)->elem) { \
738                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
739                         return WERR_NOMEM; \
740                 } \
741                 *(p)->elem = (uint32_t)_v; \
742         } \
743 } while (0)
744
745 #define GET_GUID_LDB(msg, attr, p, elem) do { \
746         (p)->elem = samdb_result_guid(msg, attr);\
747 } while (0)
748
749 #define GET_BLOB_LDB(msg, attr, mem_ctx, p, elem) do { \
750         const struct ldb_val *_val;\
751         _val = ldb_msg_find_ldb_val(msg, attr);\
752         if (_val) {\
753                 (p)->elem = *_val;\
754                 talloc_steal(mem_ctx, (p)->elem.data);\
755         } else {\
756                 ZERO_STRUCT((p)->elem);\
757         }\
758 } while (0)
759
760 WERROR dsdb_attribute_from_ldb(struct ldb_context *ldb,
761                                const struct dsdb_schema *schema,
762                                struct ldb_message *msg,
763                                TALLOC_CTX *mem_ctx,
764                                struct dsdb_attribute *attr)
765 {
766         WERROR status;
767
768         GET_STRING_LDB(msg, "cn", mem_ctx, attr, cn, false);
769         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
770         GET_STRING_LDB(msg, "attributeID", mem_ctx, attr, attributeID_oid, true);
771         if (schema->num_prefixes == 0) {
772                 /* set an invalid value */
773                 attr->attributeID_id = 0xFFFFFFFF;
774         } else {
775                 status = dsdb_map_oid2int(schema, attr->attributeID_oid, &attr->attributeID_id);
776                 if (!W_ERROR_IS_OK(status)) {
777                         DEBUG(0,("%s: '%s': unable to map attributeID %s: %s\n",
778                                 __location__, attr->lDAPDisplayName, attr->attributeID_oid,
779                                 win_errstr(status)));
780                         return status;
781                 }
782         }
783         GET_GUID_LDB(msg, "schemaIDGUID", attr, schemaIDGUID);
784         GET_UINT32_LDB(msg, "mAPIID", attr, mAPIID);
785
786         GET_GUID_LDB(msg, "attributeSecurityGUID", attr, attributeSecurityGUID);
787
788         GET_UINT32_LDB(msg, "searchFlags", attr, searchFlags);
789         GET_UINT32_LDB(msg, "systemFlags", attr, systemFlags);
790         GET_BOOL_LDB(msg, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
791         GET_UINT32_LDB(msg, "linkID", attr, linkID);
792
793         GET_STRING_LDB(msg, "attributeSyntax", mem_ctx, attr, attributeSyntax_oid, true);
794         if (schema->num_prefixes == 0) {
795                 /* set an invalid value */
796                 attr->attributeSyntax_id = 0xFFFFFFFF;
797         } else {
798                 status = dsdb_map_oid2int(schema, attr->attributeSyntax_oid, &attr->attributeSyntax_id);
799                 if (!W_ERROR_IS_OK(status)) {
800                         DEBUG(0,("%s: '%s': unable to map attributeSyntax_ %s: %s\n",
801                                 __location__, attr->lDAPDisplayName, attr->attributeSyntax_oid,
802                                 win_errstr(status)));
803                         return status;
804                 }
805         }
806         GET_UINT32_LDB(msg, "oMSyntax", attr, oMSyntax);
807         GET_BLOB_LDB(msg, "oMObjectClass", mem_ctx, attr, oMObjectClass);
808
809         GET_BOOL_LDB(msg, "isSingleValued", attr, isSingleValued, true);
810         GET_UINT32_PTR_LDB(msg, "rangeLower", attr, rangeLower);
811         GET_UINT32_PTR_LDB(msg, "rangeUpper", attr, rangeUpper);
812         GET_BOOL_LDB(msg, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
813
814         GET_UINT32_LDB(msg, "schemaFlagsEx", attr, schemaFlagsEx);
815         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
816
817         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
818         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
819         GET_STRING_LDB(msg, "adminDescription", mem_ctx, attr, adminDescription, false);
820         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, attr, classDisplayName, false);
821         GET_BOOL_LDB(msg, "isEphemeral", attr, isEphemeral, false);
822         GET_BOOL_LDB(msg, "isDefunct", attr, isDefunct, false);
823         GET_BOOL_LDB(msg, "systemOnly", attr, systemOnly, false);
824
825         attr->syntax = dsdb_syntax_for_attribute(attr);
826         if (!attr->syntax) {
827                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
828         }
829
830         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
831                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
832         }
833
834         return WERR_OK;
835 }
836
837 WERROR dsdb_class_from_ldb(const struct dsdb_schema *schema,
838                            struct ldb_message *msg,
839                            TALLOC_CTX *mem_ctx,
840                            struct dsdb_class *obj)
841 {
842         WERROR status;
843
844         GET_STRING_LDB(msg, "cn", mem_ctx, obj, cn, false);
845         GET_STRING_LDB(msg, "lDAPDisplayName", mem_ctx, obj, lDAPDisplayName, true);
846         GET_STRING_LDB(msg, "governsID", mem_ctx, obj, governsID_oid, true);
847         if (schema->num_prefixes == 0) {
848                 /* set an invalid value */
849                 obj->governsID_id = 0xFFFFFFFF;
850         } else {
851                 status = dsdb_map_oid2int(schema, obj->governsID_oid, &obj->governsID_id);
852                 if (!W_ERROR_IS_OK(status)) {
853                         DEBUG(0,("%s: '%s': unable to map governsID %s: %s\n",
854                                 __location__, obj->lDAPDisplayName, obj->governsID_oid,
855                                 win_errstr(status)));
856                         return status;
857                 }
858         }
859         GET_GUID_LDB(msg, "schemaIDGUID", obj, schemaIDGUID);
860
861         GET_UINT32_LDB(msg, "objectClassCategory", obj, objectClassCategory);
862         GET_STRING_LDB(msg, "rDNAttID", mem_ctx, obj, rDNAttID, false);
863         GET_STRING_LDB(msg, "defaultObjectCategory", mem_ctx, obj, defaultObjectCategory, true);
864  
865         GET_STRING_LDB(msg, "subClassOf", mem_ctx, obj, subClassOf, true);
866
867         GET_STRING_LIST_LDB(msg, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
868         GET_STRING_LIST_LDB(msg, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);
869
870         GET_STRING_LIST_LDB(msg, "systemMustContain", mem_ctx, obj, systemMustContain, false);
871         GET_STRING_LIST_LDB(msg, "systemMayContain", mem_ctx, obj, systemMayContain, false);
872         GET_STRING_LIST_LDB(msg, "mustContain", mem_ctx, obj, mustContain, false);
873         GET_STRING_LIST_LDB(msg, "mayContain", mem_ctx, obj, mayContain, false);
874
875         GET_STRING_LIST_LDB(msg, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors, false);
876         GET_STRING_LIST_LDB(msg, "possSuperiors", mem_ctx, obj, possSuperiors, false);
877
878         GET_STRING_LDB(msg, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
879
880         GET_UINT32_LDB(msg, "schemaFlagsEx", obj, schemaFlagsEx);
881         GET_BLOB_LDB(msg, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
882
883         GET_BOOL_LDB(msg, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
884         GET_STRING_LDB(msg, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
885         GET_STRING_LDB(msg, "adminDescription", mem_ctx, obj, adminDescription, false);
886         GET_STRING_LDB(msg, "classDisplayName", mem_ctx, obj, classDisplayName, false);
887         GET_BOOL_LDB(msg, "defaultHidingValue", obj, defaultHidingValue, false);
888         GET_BOOL_LDB(msg, "isDefunct", obj, isDefunct, false);
889         GET_BOOL_LDB(msg, "systemOnly", obj, systemOnly, false);
890
891         return WERR_OK;
892 }
893
894 #define dsdb_oom(error_string, mem_ctx) *error_string = talloc_asprintf(mem_ctx, "dsdb out of memory at %s:%d\n", __FILE__, __LINE__)
895
896 /* 
897  Create a DSDB schema from the ldb results provided.  This is called
898  directly when the schema is provisioned from an on-disk LDIF file, or
899  from dsdb_schema_from_schema_dn below
900 */
901
902 int dsdb_schema_from_ldb_results(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
903                                  struct smb_iconv_convenience *iconv_convenience, 
904                                  struct ldb_result *schema_res,
905                                  struct ldb_result *attrs_res, struct ldb_result *objectclass_res, 
906                                  struct dsdb_schema **schema_out,
907                                  char **error_string)
908 {
909         WERROR status;
910         uint32_t i;
911         const struct ldb_val *prefix_val;
912         const struct ldb_val *info_val;
913         struct ldb_val info_val_default;
914         struct dsdb_schema *schema;
915
916         schema = dsdb_new_schema(mem_ctx, iconv_convenience);
917         if (!schema) {
918                 dsdb_oom(error_string, mem_ctx);
919                 return LDB_ERR_OPERATIONS_ERROR;
920         }
921
922         prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
923         if (!prefix_val) {
924                 *error_string = talloc_asprintf(mem_ctx, 
925                                                 "schema_fsmo_init: no prefixMap attribute found");
926                 return LDB_ERR_CONSTRAINT_VIOLATION;
927         }
928         info_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "schemaInfo");
929         if (!info_val) {
930                 info_val_default = strhex_to_data_blob(mem_ctx, "FF0000000000000000000000000000000000000000");
931                 if (!info_val_default.data) {
932                         dsdb_oom(error_string, mem_ctx);
933                         return LDB_ERR_OPERATIONS_ERROR;
934                 }
935                 info_val = &info_val_default;
936         }
937
938         status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
939         if (!W_ERROR_IS_OK(status)) {
940                 *error_string = talloc_asprintf(mem_ctx, 
941                               "schema_fsmo_init: failed to load oid mappings: %s",
942                               win_errstr(status));
943                 return LDB_ERR_CONSTRAINT_VIOLATION;
944         }
945
946         for (i=0; i < attrs_res->count; i++) {
947                 struct dsdb_attribute *sa;
948
949                 sa = talloc_zero(schema, struct dsdb_attribute);
950                 if (!sa) {
951                         dsdb_oom(error_string, mem_ctx);
952                         return LDB_ERR_OPERATIONS_ERROR;
953                 }
954
955                 status = dsdb_attribute_from_ldb(ldb, schema, attrs_res->msgs[i], sa, sa);
956                 if (!W_ERROR_IS_OK(status)) {
957                         *error_string = talloc_asprintf(mem_ctx, 
958                                       "schema_fsmo_init: failed to load attribute definition: %s:%s",
959                                       ldb_dn_get_linearized(attrs_res->msgs[i]->dn),
960                                       win_errstr(status));
961                         return LDB_ERR_CONSTRAINT_VIOLATION;
962                 }
963
964                 DLIST_ADD_END(schema->attributes, sa, struct dsdb_attribute *);
965         }
966
967         for (i=0; i < objectclass_res->count; i++) {
968                 struct dsdb_class *sc;
969
970                 sc = talloc_zero(schema, struct dsdb_class);
971                 if (!sc) {
972                         dsdb_oom(error_string, mem_ctx);
973                         return LDB_ERR_OPERATIONS_ERROR;
974                 }
975
976                 status = dsdb_class_from_ldb(schema, objectclass_res->msgs[i], sc, sc);
977                 if (!W_ERROR_IS_OK(status)) {
978                         *error_string = talloc_asprintf(mem_ctx, 
979                                       "schema_fsmo_init: failed to load class definition: %s:%s",
980                                       ldb_dn_get_linearized(objectclass_res->msgs[i]->dn),
981                                       win_errstr(status));
982                         return LDB_ERR_CONSTRAINT_VIOLATION;
983                 }
984
985                 DLIST_ADD_END(schema->classes, sc, struct dsdb_class *);
986         }
987
988         schema->fsmo.master_dn = ldb_msg_find_attr_as_dn(ldb, schema, schema_res->msgs[0], "fSMORoleOwner");
989         if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), schema->fsmo.master_dn) == 0) {
990                 schema->fsmo.we_are_master = true;
991         } else {
992                 schema->fsmo.we_are_master = false;
993         }
994
995         DEBUG(5, ("schema_fsmo_init: we are master: %s\n",
996                   (schema->fsmo.we_are_master?"yes":"no")));
997
998         *schema_out = schema;
999         return LDB_SUCCESS;
1000 }
1001
1002 /*
1003   Given an LDB, and the DN, return a populated schema
1004 */
1005
1006 int dsdb_schema_from_schema_dn(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
1007                                struct smb_iconv_convenience *iconv_convenience, 
1008                                struct ldb_dn *schema_dn,
1009                                struct dsdb_schema **schema,
1010                                char **error_string_out) 
1011 {
1012         TALLOC_CTX *tmp_ctx;
1013         char *error_string;
1014         int ret;
1015
1016         struct ldb_result *schema_res;
1017         struct ldb_result *a_res;
1018         struct ldb_result *c_res;
1019         static const char *schema_attrs[] = {
1020                 "prefixMap",
1021                 "schemaInfo",
1022                 "fSMORoleOwner",
1023                 NULL
1024         };
1025
1026         tmp_ctx = talloc_new(mem_ctx);
1027         if (!tmp_ctx) {
1028                 dsdb_oom(error_string_out, mem_ctx);
1029                 return LDB_ERR_OPERATIONS_ERROR;
1030         }
1031
1032         /*
1033          * setup the prefix mappings and schema info
1034          */
1035         ret = ldb_search(ldb, tmp_ctx, &schema_res,
1036                          schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
1037         if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1038                 talloc_free(tmp_ctx);
1039                 return ret;
1040         } else if (ret != LDB_SUCCESS) {
1041                 *error_string_out = talloc_asprintf(mem_ctx, 
1042                                        "dsdb_schema: failed to search the schema head: %s",
1043                                        ldb_errstring(ldb));
1044                 talloc_free(tmp_ctx);
1045                 return ret;
1046         }
1047         if (schema_res->count != 1) {
1048                 *error_string_out = talloc_asprintf(mem_ctx, 
1049                               "dsdb_schema: [%u] schema heads found on a base search",
1050                               schema_res->count);
1051                 talloc_free(tmp_ctx);
1052                 return LDB_ERR_CONSTRAINT_VIOLATION;
1053         }
1054
1055         /*
1056          * load the attribute definitions
1057          */
1058         ret = ldb_search(ldb, tmp_ctx, &a_res,
1059                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1060                          "(objectClass=attributeSchema)");
1061         if (ret != LDB_SUCCESS) {
1062                 *error_string_out = talloc_asprintf(mem_ctx, 
1063                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1064                                        ldb_errstring(ldb));
1065                 talloc_free(tmp_ctx);
1066                 return ret;
1067         }
1068
1069         /*
1070          * load the objectClass definitions
1071          */
1072         ret = ldb_search(ldb, tmp_ctx, &c_res,
1073                          schema_dn, LDB_SCOPE_ONELEVEL, NULL,
1074                          "(objectClass=classSchema)");
1075         if (ret != LDB_SUCCESS) {
1076                 *error_string_out = talloc_asprintf(mem_ctx, 
1077                                        "dsdb_schema: failed to search attributeSchema objects: %s",
1078                                        ldb_errstring(ldb));
1079                 talloc_free(tmp_ctx);
1080                 return ret;
1081         }
1082
1083         ret = dsdb_schema_from_ldb_results(tmp_ctx, ldb,
1084                                            lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
1085                                            schema_res, a_res, c_res, schema, &error_string);
1086         if (ret != LDB_SUCCESS) {
1087                 *error_string_out = talloc_asprintf(mem_ctx, 
1088                                                     "dsdb_schema load failed: %s",
1089                                                     error_string);
1090                 talloc_free(tmp_ctx);
1091                 return ret;
1092         }
1093         talloc_steal(mem_ctx, *schema);
1094         talloc_free(tmp_ctx);
1095
1096         return LDB_SUCCESS;
1097 }       
1098
1099
1100 static const struct {
1101         const char *name;
1102         const char *oid;
1103 } name_mappings[] = {
1104         { "cn",                                 "2.5.4.3" },
1105         { "name",                               "1.2.840.113556.1.4.1" },
1106         { "lDAPDisplayName",                    "1.2.840.113556.1.2.460" },
1107         { "attributeID",                        "1.2.840.113556.1.2.30" },
1108         { "schemaIDGUID",                       "1.2.840.113556.1.4.148" },
1109         { "mAPIID",                             "1.2.840.113556.1.2.49" },
1110         { "attributeSecurityGUID",              "1.2.840.113556.1.4.149" },
1111         { "searchFlags",                        "1.2.840.113556.1.2.334" },
1112         { "systemFlags",                        "1.2.840.113556.1.4.375" },
1113         { "isMemberOfPartialAttributeSet",      "1.2.840.113556.1.4.639" },
1114         { "linkID",                             "1.2.840.113556.1.2.50" },
1115         { "attributeSyntax",                    "1.2.840.113556.1.2.32" },
1116         { "oMSyntax",                           "1.2.840.113556.1.2.231" },
1117         { "oMObjectClass",                      "1.2.840.113556.1.2.218" },
1118         { "isSingleValued",                     "1.2.840.113556.1.2.33" },
1119         { "rangeLower",                         "1.2.840.113556.1.2.34" },
1120         { "rangeUpper",                         "1.2.840.113556.1.2.35" },
1121         { "extendedCharsAllowed",               "1.2.840.113556.1.2.380" },
1122         { "schemaFlagsEx",                      "1.2.840.113556.1.4.120" },
1123         { "msDs-Schema-Extensions",             "1.2.840.113556.1.4.1440" },
1124         { "showInAdvancedViewOnly",             "1.2.840.113556.1.2.169" },
1125         { "adminDisplayName",                   "1.2.840.113556.1.2.194" },
1126         { "adminDescription",                   "1.2.840.113556.1.2.226" },
1127         { "classDisplayName",                   "1.2.840.113556.1.4.610" },
1128         { "isEphemeral",                        "1.2.840.113556.1.4.1212" },
1129         { "isDefunct",                          "1.2.840.113556.1.4.661" },
1130         { "systemOnly",                         "1.2.840.113556.1.4.170" },
1131         { "governsID",                          "1.2.840.113556.1.2.22" },
1132         { "objectClassCategory",                "1.2.840.113556.1.2.370" },
1133         { "rDNAttID",                           "1.2.840.113556.1.2.26" },
1134         { "defaultObjectCategory",              "1.2.840.113556.1.4.783" },
1135         { "subClassOf",                         "1.2.840.113556.1.2.21" },
1136         { "systemAuxiliaryClass",               "1.2.840.113556.1.4.198" },
1137         { "systemPossSuperiors",                "1.2.840.113556.1.4.195" },
1138         { "systemMustContain",                  "1.2.840.113556.1.4.197" },
1139         { "systemMayContain",                   "1.2.840.113556.1.4.196" },
1140         { "auxiliaryClass",                     "1.2.840.113556.1.2.351" },
1141         { "possSuperiors",                      "1.2.840.113556.1.2.8" },
1142         { "mustContain",                        "1.2.840.113556.1.2.24" },
1143         { "mayContain",                         "1.2.840.113556.1.2.25" },
1144         { "defaultSecurityDescriptor",          "1.2.840.113556.1.4.224" },
1145         { "defaultHidingValue",                 "1.2.840.113556.1.4.518" },
1146 };
1147
1148 static struct drsuapi_DsReplicaAttribute *dsdb_find_object_attr_name(struct dsdb_schema *schema,
1149                                                                      struct drsuapi_DsReplicaObject *obj,
1150                                                                      const char *name,
1151                                                                      uint32_t *idx)
1152 {
1153         WERROR status;
1154         uint32_t i, id;
1155         const char *oid = NULL;
1156
1157         for(i=0; i < ARRAY_SIZE(name_mappings); i++) {
1158                 if (strcmp(name_mappings[i].name, name) != 0) continue;
1159
1160                 oid = name_mappings[i].oid;
1161                 break;
1162         }
1163
1164         if (!oid) {
1165                 return NULL;
1166         }
1167
1168         status = dsdb_map_oid2int(schema, oid, &id);
1169         if (!W_ERROR_IS_OK(status)) {
1170                 return NULL;
1171         }
1172
1173         for (i=0; i < obj->attribute_ctr.num_attributes; i++) {
1174                 if (obj->attribute_ctr.attributes[i].attid != id) continue;
1175
1176                 if (idx) *idx = i;
1177                 return &obj->attribute_ctr.attributes[i];
1178         }
1179
1180         return NULL;
1181 }
1182
1183 #define GET_STRING_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1184         struct drsuapi_DsReplicaAttribute *_a; \
1185         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1186         if (strict && !_a) { \
1187                 d_printf("%s: %s == NULL\n", __location__, attr); \
1188                 return WERR_INVALID_PARAM; \
1189         } \
1190         if (strict && _a->value_ctr.num_values != 1) { \
1191                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1192                         _a->value_ctr.num_values); \
1193                 return WERR_INVALID_PARAM; \
1194         } \
1195         if (_a && _a->value_ctr.num_values >= 1) { \
1196                 size_t _ret; \
1197                 if (!convert_string_talloc_convenience(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
1198                                              _a->value_ctr.values[0].blob->data, \
1199                                              _a->value_ctr.values[0].blob->length, \
1200                                              (void **)discard_const(&(p)->elem), &_ret, false)) { \
1201                         DEBUG(0,("%s: invalid data!\n", attr)); \
1202                         dump_data(0, \
1203                                      _a->value_ctr.values[0].blob->data, \
1204                                      _a->value_ctr.values[0].blob->length); \
1205                         return WERR_FOOBAR; \
1206                 } \
1207         } else { \
1208                 (p)->elem = NULL; \
1209         } \
1210 } while (0)
1211
1212 #define GET_UINT32_LIST_DS(s, r, attr, mem_ctx, p, elem) do { \
1213         int list_counter;                                       \
1214         struct drsuapi_DsReplicaAttribute *_a; \
1215         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1216         (p)->elem = _a ? talloc_array(mem_ctx, uint32_t, _a->value_ctr.num_values + 1) : NULL; \
1217         for (list_counter=0;                                    \
1218              _a && list_counter < _a->value_ctr.num_values;     \
1219              list_counter++) {                          \
1220                 if (_a->value_ctr.values[list_counter].blob->length != 4) { \
1221                         return WERR_INVALID_PARAM;                      \
1222                 }                                                       \
1223                 (p)->elem[list_counter] = IVAL(_a->value_ctr.values[list_counter].blob->data, 0); \
1224         }                                                               \
1225         if (_a) (p)->elem[list_counter] = 0;                            \
1226 } while (0)
1227
1228 #define GET_DN_DS(s, r, attr, mem_ctx, p, elem, strict) do { \
1229         struct drsuapi_DsReplicaAttribute *_a; \
1230         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1231         if (strict && !_a) { \
1232                 d_printf("%s: %s == NULL\n", __location__, attr); \
1233                 return WERR_INVALID_PARAM; \
1234         } \
1235         if (strict && _a->value_ctr.num_values != 1) { \
1236                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1237                         _a->value_ctr.num_values); \
1238                 return WERR_INVALID_PARAM; \
1239         } \
1240         if (strict && !_a->value_ctr.values[0].blob) { \
1241                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1242                 return WERR_INVALID_PARAM; \
1243         } \
1244         if (_a && _a->value_ctr.num_values >= 1 \
1245             && _a->value_ctr.values[0].blob) { \
1246                 struct drsuapi_DsReplicaObjectIdentifier3 _id3; \
1247                 enum ndr_err_code _ndr_err; \
1248                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1249                                                       mem_ctx, s->iconv_convenience, &_id3,\
1250                                                       (ndr_pull_flags_fn_t)ndr_pull_drsuapi_DsReplicaObjectIdentifier3);\
1251                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1252                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1253                         return ntstatus_to_werror(_nt_status); \
1254                 } \
1255                 (p)->elem = _id3.dn; \
1256         } else { \
1257                 (p)->elem = NULL; \
1258         } \
1259 } while (0)
1260
1261 #define GET_BOOL_DS(s, r, attr, p, elem, strict) do { \
1262         struct drsuapi_DsReplicaAttribute *_a; \
1263         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1264         if (strict && !_a) { \
1265                 d_printf("%s: %s == NULL\n", __location__, attr); \
1266                 return WERR_INVALID_PARAM; \
1267         } \
1268         if (strict && _a->value_ctr.num_values != 1) { \
1269                 d_printf("%s: %s num_values == %u\n", __location__, attr, \
1270                          (unsigned int)_a->value_ctr.num_values);       \
1271                 return WERR_INVALID_PARAM; \
1272         } \
1273         if (strict && !_a->value_ctr.values[0].blob) { \
1274                 d_printf("%s: %s data == NULL\n", __location__, attr); \
1275                 return WERR_INVALID_PARAM; \
1276         } \
1277         if (strict && _a->value_ctr.values[0].blob->length != 4) { \
1278                 d_printf("%s: %s length == %u\n", __location__, attr, \
1279                          (unsigned int)_a->value_ctr.values[0].blob->length); \
1280                 return WERR_INVALID_PARAM; \
1281         } \
1282         if (_a && _a->value_ctr.num_values >= 1 \
1283             && _a->value_ctr.values[0].blob \
1284             && _a->value_ctr.values[0].blob->length == 4) { \
1285                 (p)->elem = (IVAL(_a->value_ctr.values[0].blob->data,0)?true:false);\
1286         } else { \
1287                 (p)->elem = false; \
1288         } \
1289 } while (0)
1290
1291 #define GET_UINT32_DS(s, r, attr, p, elem) do { \
1292         struct drsuapi_DsReplicaAttribute *_a; \
1293         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1294         if (_a && _a->value_ctr.num_values >= 1 \
1295             && _a->value_ctr.values[0].blob \
1296             && _a->value_ctr.values[0].blob->length == 4) { \
1297                 (p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1298         } else { \
1299                 (p)->elem = 0; \
1300         } \
1301 } while (0)
1302
1303 #define GET_UINT32_PTR_DS(s, r, attr, p, elem) do { \
1304         struct drsuapi_DsReplicaAttribute *_a; \
1305         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1306         if (_a && _a->value_ctr.num_values >= 1 \
1307             && _a->value_ctr.values[0].blob \
1308             && _a->value_ctr.values[0].blob->length == 4) { \
1309                 (p)->elem = talloc(mem_ctx, uint32_t); \
1310                 if (!(p)->elem) { \
1311                         d_printf("%s: talloc failed for %s\n", __location__, attr); \
1312                         return WERR_NOMEM; \
1313                 } \
1314                 *(p)->elem = IVAL(_a->value_ctr.values[0].blob->data,0);\
1315         } else { \
1316                 (p)->elem = NULL; \
1317         } \
1318 } while (0)
1319
1320 #define GET_GUID_DS(s, r, attr, mem_ctx, p, elem) do { \
1321         struct drsuapi_DsReplicaAttribute *_a; \
1322         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1323         if (_a && _a->value_ctr.num_values >= 1 \
1324             && _a->value_ctr.values[0].blob \
1325             && _a->value_ctr.values[0].blob->length == 16) { \
1326                 enum ndr_err_code _ndr_err; \
1327                 _ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
1328                                                       mem_ctx, s->iconv_convenience, &(p)->elem, \
1329                                                       (ndr_pull_flags_fn_t)ndr_pull_GUID); \
1330                 if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
1331                         NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
1332                         return ntstatus_to_werror(_nt_status); \
1333                 } \
1334         } else { \
1335                 ZERO_STRUCT((p)->elem);\
1336         } \
1337 } while (0)
1338
1339 #define GET_BLOB_DS(s, r, attr, mem_ctx, p, elem) do { \
1340         struct drsuapi_DsReplicaAttribute *_a; \
1341         _a = dsdb_find_object_attr_name(s, r, attr, NULL); \
1342         if (_a && _a->value_ctr.num_values >= 1 \
1343             && _a->value_ctr.values[0].blob) { \
1344                 (p)->elem = *_a->value_ctr.values[0].blob;\
1345                 talloc_steal(mem_ctx, (p)->elem.data); \
1346         } else { \
1347                 ZERO_STRUCT((p)->elem);\
1348         }\
1349 } while (0)
1350
1351 WERROR dsdb_attribute_from_drsuapi(struct ldb_context *ldb,
1352                                    struct dsdb_schema *schema,
1353                                    struct drsuapi_DsReplicaObject *r,
1354                                    TALLOC_CTX *mem_ctx,
1355                                    struct dsdb_attribute *attr)
1356 {
1357         WERROR status;
1358
1359         GET_STRING_DS(schema, r, "name", mem_ctx, attr, cn, true);
1360         GET_STRING_DS(schema, r, "lDAPDisplayName", mem_ctx, attr, lDAPDisplayName, true);
1361         GET_UINT32_DS(schema, r, "attributeID", attr, attributeID_id);
1362         status = dsdb_map_int2oid(schema, attr->attributeID_id, mem_ctx, &attr->attributeID_oid);
1363         if (!W_ERROR_IS_OK(status)) {
1364                 DEBUG(0,("%s: '%s': unable to map attributeID 0x%08X: %s\n",
1365                         __location__, attr->lDAPDisplayName, attr->attributeID_id,
1366                         win_errstr(status)));
1367                 return status;
1368         }
1369         GET_GUID_DS(schema, r, "schemaIDGUID", mem_ctx, attr, schemaIDGUID);
1370         GET_UINT32_DS(schema, r, "mAPIID", attr, mAPIID);
1371
1372         GET_GUID_DS(schema, r, "attributeSecurityGUID", mem_ctx, attr, attributeSecurityGUID);
1373
1374         GET_UINT32_DS(schema, r, "searchFlags", attr, searchFlags);
1375         GET_UINT32_DS(schema, r, "systemFlags", attr, systemFlags);
1376         GET_BOOL_DS(schema, r, "isMemberOfPartialAttributeSet", attr, isMemberOfPartialAttributeSet, false);
1377         GET_UINT32_DS(schema, r, "linkID", attr, linkID);
1378
1379         GET_UINT32_DS(schema, r, "attributeSyntax", attr, attributeSyntax_id);
1380         status = dsdb_map_int2oid(schema, attr->attributeSyntax_id, mem_ctx, &attr->attributeSyntax_oid);
1381         if (!W_ERROR_IS_OK(status)) {
1382                 DEBUG(0,("%s: '%s': unable to map attributeSyntax 0x%08X: %s\n",
1383                         __location__, attr->lDAPDisplayName, attr->attributeSyntax_id,
1384                         win_errstr(status)));
1385                 return status;
1386         }
1387         GET_UINT32_DS(schema, r, "oMSyntax", attr, oMSyntax);
1388         GET_BLOB_DS(schema, r, "oMObjectClass", mem_ctx, attr, oMObjectClass);
1389
1390         GET_BOOL_DS(schema, r, "isSingleValued", attr, isSingleValued, true);
1391         GET_UINT32_PTR_DS(schema, r, "rangeLower", attr, rangeLower);
1392         GET_UINT32_PTR_DS(schema, r, "rangeUpper", attr, rangeUpper);
1393         GET_BOOL_DS(schema, r, "extendedCharsAllowed", attr, extendedCharsAllowed, false);
1394
1395         GET_UINT32_DS(schema, r, "schemaFlagsEx", attr, schemaFlagsEx);
1396         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, attr, msDs_Schema_Extensions);
1397
1398         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", attr, showInAdvancedViewOnly, false);
1399         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, attr, adminDisplayName, false);
1400         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, attr, adminDescription, false);
1401         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, attr, classDisplayName, false);
1402         GET_BOOL_DS(schema, r, "isEphemeral", attr, isEphemeral, false);
1403         GET_BOOL_DS(schema, r, "isDefunct", attr, isDefunct, false);
1404         GET_BOOL_DS(schema, r, "systemOnly", attr, systemOnly, false);
1405
1406         attr->syntax = dsdb_syntax_for_attribute(attr);
1407         if (!attr->syntax) {
1408                 return WERR_DS_ATT_SCHEMA_REQ_SYNTAX;
1409         }
1410
1411         if (dsdb_schema_setup_ldb_schema_attribute(ldb, attr) != LDB_SUCCESS) {
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_UINT32_DS(schema, r, "subClassOf", obj, subClassOf_id);
1442
1443         GET_UINT32_LIST_DS(schema, r, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass_ids);
1444         GET_UINT32_LIST_DS(schema, r, "auxiliaryClass", mem_ctx, obj, auxiliaryClass_ids);
1445
1446         GET_UINT32_LIST_DS(schema, r, "systemMustContain", mem_ctx, obj, systemMustContain_ids);
1447         GET_UINT32_LIST_DS(schema, r, "systemMayContain", mem_ctx, obj, systemMayContain_ids);
1448         GET_UINT32_LIST_DS(schema, r, "mustContain", mem_ctx, obj, mustContain_ids);
1449         GET_UINT32_LIST_DS(schema, r, "mayContain", mem_ctx, obj, mayContain_ids);
1450
1451         GET_UINT32_LIST_DS(schema, r, "systemPossSuperiors", mem_ctx, obj, systemPossSuperiors_ids);
1452         GET_UINT32_LIST_DS(schema, r, "possSuperiors", mem_ctx, obj, possSuperiors_ids);
1453
1454         GET_STRING_DS(schema, r, "defaultSecurityDescriptor", mem_ctx, obj, defaultSecurityDescriptor, false);
1455
1456         GET_UINT32_DS(schema, r, "schemaFlagsEx", obj, schemaFlagsEx);
1457         GET_BLOB_DS(schema, r, "msDs-Schema-Extensions", mem_ctx, obj, msDs_Schema_Extensions);
1458
1459         GET_BOOL_DS(schema, r, "showInAdvancedViewOnly", obj, showInAdvancedViewOnly, false);
1460         GET_STRING_DS(schema, r, "adminDisplayName", mem_ctx, obj, adminDisplayName, false);
1461         GET_STRING_DS(schema, r, "adminDescription", mem_ctx, obj, adminDescription, false);
1462         GET_STRING_DS(schema, r, "classDisplayName", mem_ctx, obj, classDisplayName, false);
1463         GET_BOOL_DS(schema, r, "defaultHidingValue", obj, defaultHidingValue, false);
1464         GET_BOOL_DS(schema, r, "isDefunct", obj, isDefunct, false);
1465         GET_BOOL_DS(schema, r, "systemOnly", obj, systemOnly, false);
1466
1467         return WERR_OK;
1468 }
1469