source: vendor/3.5.0/source3/libads/ldap_schema.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 10.3 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 ads (active directory) utility library
4 Copyright (C) Guenther Deschner 2005-2007
5 Copyright (C) Gerald (Jerry) Carter 2006
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#include "includes.h"
22
23#ifdef HAVE_LDAP
24
25ADS_STATUS ads_get_attrnames_by_oids(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx,
26 const char *schema_path,
27 const char **OIDs, size_t num_OIDs,
28 char ***OIDs_out, char ***names, size_t *count)
29{
30 ADS_STATUS status;
31 LDAPMessage *res = NULL;
32 LDAPMessage *msg;
33 char *expr = NULL;
34 const char *attrs[] = { "lDAPDisplayName", "attributeId", NULL };
35 int i = 0, p = 0;
36
37 if (!ads || !mem_ctx || !names || !count || !OIDs || !OIDs_out) {
38 return ADS_ERROR(LDAP_PARAM_ERROR);
39 }
40
41 if (num_OIDs == 0 || OIDs[0] == NULL) {
42 return ADS_ERROR_NT(NT_STATUS_NONE_MAPPED);
43 }
44
45 if ((expr = talloc_asprintf(mem_ctx, "(|")) == NULL) {
46 return ADS_ERROR(LDAP_NO_MEMORY);
47 }
48
49 for (i=0; i<num_OIDs; i++) {
50
51 if ((expr = talloc_asprintf_append_buffer(expr, "(attributeId=%s)",
52 OIDs[i])) == NULL) {
53 return ADS_ERROR(LDAP_NO_MEMORY);
54 }
55 }
56
57 if ((expr = talloc_asprintf_append_buffer(expr, ")")) == NULL) {
58 return ADS_ERROR(LDAP_NO_MEMORY);
59 }
60
61 status = ads_do_search_retry(ads, schema_path,
62 LDAP_SCOPE_SUBTREE, expr, attrs, &res);
63 if (!ADS_ERR_OK(status)) {
64 return status;
65 }
66
67 *count = ads_count_replies(ads, res);
68 if (*count == 0 || !res) {
69 status = ADS_ERROR_NT(NT_STATUS_NONE_MAPPED);
70 goto out;
71 }
72
73 if (((*names) = TALLOC_ARRAY(mem_ctx, char *, *count)) == NULL) {
74 status = ADS_ERROR(LDAP_NO_MEMORY);
75 goto out;
76 }
77 if (((*OIDs_out) = TALLOC_ARRAY(mem_ctx, char *, *count)) == NULL) {
78 status = ADS_ERROR(LDAP_NO_MEMORY);
79 goto out;
80 }
81
82 for (msg = ads_first_entry(ads, res); msg != NULL;
83 msg = ads_next_entry(ads, msg)) {
84
85 (*names)[p] = ads_pull_string(ads, mem_ctx, msg,
86 "lDAPDisplayName");
87 (*OIDs_out)[p] = ads_pull_string(ads, mem_ctx, msg,
88 "attributeId");
89 if (((*names)[p] == NULL) || ((*OIDs_out)[p] == NULL)) {
90 status = ADS_ERROR(LDAP_NO_MEMORY);
91 goto out;
92 }
93
94 p++;
95 }
96
97 if (*count < num_OIDs) {
98 status = ADS_ERROR_NT(STATUS_SOME_UNMAPPED);
99 goto out;
100 }
101
102 status = ADS_ERROR(LDAP_SUCCESS);
103out:
104 ads_msgfree(ads, res);
105
106 return status;
107}
108
109const char *ads_get_attrname_by_guid(ADS_STRUCT *ads,
110 const char *schema_path,
111 TALLOC_CTX *mem_ctx,
112 const struct GUID *schema_guid)
113{
114 ADS_STATUS rc;
115 LDAPMessage *res = NULL;
116 char *expr = NULL;
117 const char *attrs[] = { "lDAPDisplayName", NULL };
118 const char *result = NULL;
119 char *guid_bin = NULL;
120
121 if (!ads || !mem_ctx || !schema_guid) {
122 goto done;
123 }
124
125 guid_bin = guid_binstring(mem_ctx, schema_guid);
126 if (!guid_bin) {
127 goto done;
128 }
129
130 expr = talloc_asprintf(mem_ctx, "(schemaIDGUID=%s)", guid_bin);
131 if (!expr) {
132 goto done;
133 }
134
135 rc = ads_do_search_retry(ads, schema_path, LDAP_SCOPE_SUBTREE,
136 expr, attrs, &res);
137 if (!ADS_ERR_OK(rc)) {
138 goto done;
139 }
140
141 if (ads_count_replies(ads, res) != 1) {
142 goto done;
143 }
144
145 result = ads_pull_string(ads, mem_ctx, res, "lDAPDisplayName");
146
147 done:
148 TALLOC_FREE(guid_bin);
149 ads_msgfree(ads, res);
150 return result;
151
152}
153
154const char *ads_get_attrname_by_oid(ADS_STRUCT *ads, const char *schema_path, TALLOC_CTX *mem_ctx, const char * OID)
155{
156 ADS_STATUS rc;
157 int count = 0;
158 LDAPMessage *res = NULL;
159 char *expr = NULL;
160 const char *attrs[] = { "lDAPDisplayName", NULL };
161 char *result;
162
163 if (ads == NULL || mem_ctx == NULL || OID == NULL) {
164 goto failed;
165 }
166
167 expr = talloc_asprintf(mem_ctx, "(attributeId=%s)", OID);
168 if (expr == NULL) {
169 goto failed;
170 }
171
172 rc = ads_do_search_retry(ads, schema_path, LDAP_SCOPE_SUBTREE,
173 expr, attrs, &res);
174 if (!ADS_ERR_OK(rc)) {
175 goto failed;
176 }
177
178 count = ads_count_replies(ads, res);
179 if (count == 0 || !res) {
180 goto failed;
181 }
182
183 result = ads_pull_string(ads, mem_ctx, res, "lDAPDisplayName");
184 ads_msgfree(ads, res);
185
186 return result;
187
188failed:
189 DEBUG(0,("ads_get_attrname_by_oid: failed to retrieve name for oid: %s\n",
190 OID));
191
192 ads_msgfree(ads, res);
193 return NULL;
194}
195/*********************************************************************
196*********************************************************************/
197
198ADS_STATUS ads_schema_path(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, char **schema_path)
199{
200 ADS_STATUS status;
201 LDAPMessage *res;
202 const char *schema;
203 const char *attrs[] = { "schemaNamingContext", NULL };
204
205 status = ads_do_search(ads, "", LDAP_SCOPE_BASE, "(objectclass=*)", attrs, &res);
206 if (!ADS_ERR_OK(status)) {
207 return status;
208 }
209
210 if ( (schema = ads_pull_string(ads, mem_ctx, res, "schemaNamingContext")) == NULL ) {
211 ads_msgfree(ads, res);
212 return ADS_ERROR(LDAP_NO_RESULTS_RETURNED);
213 }
214
215 if ( (*schema_path = talloc_strdup(mem_ctx, schema)) == NULL ) {
216 ads_msgfree(ads, res);
217 return ADS_ERROR(LDAP_NO_MEMORY);
218 }
219
220 ads_msgfree(ads, res);
221
222 return status;
223}
224
225/**
226 * Check for "Services for Unix" or rfc2307 Schema and load some attributes into the ADS_STRUCT
227 * @param ads connection to ads server
228 * @param enum mapping type
229 * @return ADS_STATUS status of search (False if one or more attributes couldn't be
230 * found in Active Directory)
231 **/
232ADS_STATUS ads_check_posix_schema_mapping(TALLOC_CTX *mem_ctx,
233 ADS_STRUCT *ads,
234 enum wb_posix_mapping map_type,
235 struct posix_schema **s )
236{
237 TALLOC_CTX *ctx = NULL;
238 ADS_STATUS status;
239 char **oids_out, **names_out;
240 size_t num_names;
241 char *schema_path = NULL;
242 int i;
243 struct posix_schema *schema = NULL;
244
245 const char *oids_sfu[] = { ADS_ATTR_SFU_UIDNUMBER_OID,
246 ADS_ATTR_SFU_GIDNUMBER_OID,
247 ADS_ATTR_SFU_HOMEDIR_OID,
248 ADS_ATTR_SFU_SHELL_OID,
249 ADS_ATTR_SFU_GECOS_OID,
250 ADS_ATTR_SFU_UID_OID };
251
252 const char *oids_sfu20[] = { ADS_ATTR_SFU20_UIDNUMBER_OID,
253 ADS_ATTR_SFU20_GIDNUMBER_OID,
254 ADS_ATTR_SFU20_HOMEDIR_OID,
255 ADS_ATTR_SFU20_SHELL_OID,
256 ADS_ATTR_SFU20_GECOS_OID,
257 ADS_ATTR_SFU20_UID_OID };
258
259 const char *oids_rfc2307[] = { ADS_ATTR_RFC2307_UIDNUMBER_OID,
260 ADS_ATTR_RFC2307_GIDNUMBER_OID,
261 ADS_ATTR_RFC2307_HOMEDIR_OID,
262 ADS_ATTR_RFC2307_SHELL_OID,
263 ADS_ATTR_RFC2307_GECOS_OID,
264 ADS_ATTR_RFC2307_UID_OID };
265
266 DEBUG(10,("ads_check_posix_schema_mapping for schema mode: %d\n", map_type));
267
268 switch (map_type) {
269
270 case WB_POSIX_MAP_TEMPLATE:
271 case WB_POSIX_MAP_UNIXINFO:
272 DEBUG(10,("ads_check_posix_schema_mapping: nothing to do\n"));
273 return ADS_ERROR(LDAP_SUCCESS);
274
275 case WB_POSIX_MAP_SFU:
276 case WB_POSIX_MAP_SFU20:
277 case WB_POSIX_MAP_RFC2307:
278 break;
279
280 default:
281 DEBUG(0,("ads_check_posix_schema_mapping: "
282 "unknown enum %d\n", map_type));
283 return ADS_ERROR(LDAP_PARAM_ERROR);
284 }
285
286 if ( (ctx = talloc_init("ads_check_posix_schema_mapping")) == NULL ) {
287 return ADS_ERROR(LDAP_NO_MEMORY);
288 }
289
290 if ( (schema = TALLOC_P(mem_ctx, struct posix_schema)) == NULL ) {
291 TALLOC_FREE( ctx );
292 return ADS_ERROR(LDAP_NO_MEMORY);
293 }
294
295 status = ads_schema_path(ads, ctx, &schema_path);
296 if (!ADS_ERR_OK(status)) {
297 DEBUG(3,("ads_check_posix_mapping: Unable to retrieve schema DN!\n"));
298 goto done;
299 }
300
301 switch (map_type) {
302 case WB_POSIX_MAP_SFU:
303 status = ads_get_attrnames_by_oids(ads, ctx, schema_path, oids_sfu,
304 ARRAY_SIZE(oids_sfu),
305 &oids_out, &names_out, &num_names);
306 break;
307 case WB_POSIX_MAP_SFU20:
308 status = ads_get_attrnames_by_oids(ads, ctx, schema_path, oids_sfu20,
309 ARRAY_SIZE(oids_sfu20),
310 &oids_out, &names_out, &num_names);
311 break;
312 case WB_POSIX_MAP_RFC2307:
313 status = ads_get_attrnames_by_oids(ads, ctx, schema_path, oids_rfc2307,
314 ARRAY_SIZE(oids_rfc2307),
315 &oids_out, &names_out, &num_names);
316 break;
317 default:
318 status = ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
319 break;
320 }
321
322 if (!ADS_ERR_OK(status)) {
323 DEBUG(3,("ads_check_posix_schema_mapping: failed %s\n",
324 ads_errstr(status)));
325 goto done;
326 }
327
328 for (i=0; i<num_names; i++) {
329
330 DEBUGADD(10,("\tOID %s has name: %s\n", oids_out[i], names_out[i]));
331
332 if (strequal(ADS_ATTR_RFC2307_UIDNUMBER_OID, oids_out[i]) ||
333 strequal(ADS_ATTR_SFU_UIDNUMBER_OID, oids_out[i]) ||
334 strequal(ADS_ATTR_SFU20_UIDNUMBER_OID, oids_out[i])) {
335 schema->posix_uidnumber_attr = talloc_strdup(schema, names_out[i]);
336 continue;
337 }
338
339 if (strequal(ADS_ATTR_RFC2307_GIDNUMBER_OID, oids_out[i]) ||
340 strequal(ADS_ATTR_SFU_GIDNUMBER_OID, oids_out[i]) ||
341 strequal(ADS_ATTR_SFU20_GIDNUMBER_OID, oids_out[i])) {
342 schema->posix_gidnumber_attr = talloc_strdup(schema, names_out[i]);
343 continue;
344 }
345
346 if (strequal(ADS_ATTR_RFC2307_HOMEDIR_OID, oids_out[i]) ||
347 strequal(ADS_ATTR_SFU_HOMEDIR_OID, oids_out[i]) ||
348 strequal(ADS_ATTR_SFU20_HOMEDIR_OID, oids_out[i])) {
349 schema->posix_homedir_attr = talloc_strdup(schema, names_out[i]);
350 continue;
351 }
352
353 if (strequal(ADS_ATTR_RFC2307_SHELL_OID, oids_out[i]) ||
354 strequal(ADS_ATTR_SFU_SHELL_OID, oids_out[i]) ||
355 strequal(ADS_ATTR_SFU20_SHELL_OID, oids_out[i])) {
356 schema->posix_shell_attr = talloc_strdup(schema, names_out[i]);
357 continue;
358 }
359
360 if (strequal(ADS_ATTR_RFC2307_GECOS_OID, oids_out[i]) ||
361 strequal(ADS_ATTR_SFU_GECOS_OID, oids_out[i]) ||
362 strequal(ADS_ATTR_SFU20_GECOS_OID, oids_out[i])) {
363 schema->posix_gecos_attr = talloc_strdup(schema, names_out[i]);
364 }
365
366 if (strequal(ADS_ATTR_RFC2307_UID_OID, oids_out[i]) ||
367 strequal(ADS_ATTR_SFU_UID_OID, oids_out[i]) ||
368 strequal(ADS_ATTR_SFU20_UID_OID, oids_out[i])) {
369 schema->posix_uid_attr = talloc_strdup(schema, names_out[i]);
370 }
371 }
372
373 if (!schema->posix_uidnumber_attr ||
374 !schema->posix_gidnumber_attr ||
375 !schema->posix_homedir_attr ||
376 !schema->posix_shell_attr ||
377 !schema->posix_gecos_attr) {
378 status = ADS_ERROR(LDAP_NO_MEMORY);
379 TALLOC_FREE( schema );
380 goto done;
381 }
382
383 *s = schema;
384
385 status = ADS_ERROR(LDAP_SUCCESS);
386
387done:
388 TALLOC_FREE(ctx);
389
390 return status;
391}
392
393#endif
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