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

Last change on this file was 988, checked in by Silvan Scherrer, 9 years ago

Samba Server: update vendor to version 4.4.3
File size: 9.6 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#include "ads.h"
23#include "libads/ldap_schema.h"
24#include "../libcli/ldap/ldap_ndr.h"
25
26#ifdef HAVE_LDAP
27
28static ADS_STATUS ads_get_attrnames_by_oids(ADS_STRUCT *ads,
29 TALLOC_CTX *mem_ctx,
30 const char *schema_path,
31 const char **OIDs,
32 size_t num_OIDs,
33 char ***OIDs_out, char ***names,
34 size_t *count)
35{
36 ADS_STATUS status;
37 LDAPMessage *res = NULL;
38 LDAPMessage *msg;
39 char *expr = NULL;
40 const char *attrs[] = { "lDAPDisplayName", "attributeId", NULL };
41 int i = 0, p = 0;
42
43 if (!ads || !mem_ctx || !names || !count || !OIDs || !OIDs_out) {
44 return ADS_ERROR(LDAP_PARAM_ERROR);
45 }
46
47 if (num_OIDs == 0 || OIDs[0] == NULL) {
48 return ADS_ERROR_NT(NT_STATUS_NONE_MAPPED);
49 }
50
51 if ((expr = talloc_asprintf(mem_ctx, "(|")) == NULL) {
52 return ADS_ERROR(LDAP_NO_MEMORY);
53 }
54
55 for (i=0; i<num_OIDs; i++) {
56
57 if ((expr = talloc_asprintf_append_buffer(expr, "(attributeId=%s)",
58 OIDs[i])) == NULL) {
59 return ADS_ERROR(LDAP_NO_MEMORY);
60 }
61 }
62
63 if ((expr = talloc_asprintf_append_buffer(expr, ")")) == NULL) {
64 return ADS_ERROR(LDAP_NO_MEMORY);
65 }
66
67 status = ads_do_search_retry(ads, schema_path,
68 LDAP_SCOPE_SUBTREE, expr, attrs, &res);
69 if (!ADS_ERR_OK(status)) {
70 return status;
71 }
72
73 *count = ads_count_replies(ads, res);
74 if (*count == 0 || !res) {
75 status = ADS_ERROR_NT(NT_STATUS_NONE_MAPPED);
76 goto out;
77 }
78
79 if (((*names) = talloc_array(mem_ctx, char *, *count)) == NULL) {
80 status = ADS_ERROR(LDAP_NO_MEMORY);
81 goto out;
82 }
83 if (((*OIDs_out) = talloc_array(mem_ctx, char *, *count)) == NULL) {
84 status = ADS_ERROR(LDAP_NO_MEMORY);
85 goto out;
86 }
87
88 for (msg = ads_first_entry(ads, res); msg != NULL;
89 msg = ads_next_entry(ads, msg)) {
90
91 (*names)[p] = ads_pull_string(ads, mem_ctx, msg,
92 "lDAPDisplayName");
93 (*OIDs_out)[p] = ads_pull_string(ads, mem_ctx, msg,
94 "attributeId");
95 if (((*names)[p] == NULL) || ((*OIDs_out)[p] == NULL)) {
96 status = ADS_ERROR(LDAP_NO_MEMORY);
97 goto out;
98 }
99
100 p++;
101 }
102
103 if (*count < num_OIDs) {
104 status = ADS_ERROR_NT(STATUS_SOME_UNMAPPED);
105 goto out;
106 }
107
108 status = ADS_ERROR(LDAP_SUCCESS);
109out:
110 ads_msgfree(ads, res);
111
112 return status;
113}
114
115const char *ads_get_attrname_by_guid(ADS_STRUCT *ads,
116 const char *schema_path,
117 TALLOC_CTX *mem_ctx,
118 const struct GUID *schema_guid)
119{
120 ADS_STATUS rc;
121 LDAPMessage *res = NULL;
122 char *expr = NULL;
123 const char *attrs[] = { "lDAPDisplayName", NULL };
124 const char *result = NULL;
125 char *guid_bin = NULL;
126
127 if (!ads || !mem_ctx || !schema_guid) {
128 goto done;
129 }
130
131 guid_bin = ldap_encode_ndr_GUID(mem_ctx, schema_guid);
132 if (!guid_bin) {
133 goto done;
134 }
135
136 expr = talloc_asprintf(mem_ctx, "(schemaIDGUID=%s)", guid_bin);
137 if (!expr) {
138 goto done;
139 }
140
141 rc = ads_do_search_retry(ads, schema_path, LDAP_SCOPE_SUBTREE,
142 expr, attrs, &res);
143 if (!ADS_ERR_OK(rc)) {
144 goto done;
145 }
146
147 if (ads_count_replies(ads, res) != 1) {
148 goto done;
149 }
150
151 result = ads_pull_string(ads, mem_ctx, res, "lDAPDisplayName");
152
153 done:
154 TALLOC_FREE(guid_bin);
155 ads_msgfree(ads, res);
156 return result;
157
158}
159
160/*********************************************************************
161*********************************************************************/
162
163ADS_STATUS ads_schema_path(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, char **schema_path)
164{
165 ADS_STATUS status;
166 LDAPMessage *res;
167 const char *schema;
168 const char *attrs[] = { "schemaNamingContext", NULL };
169
170 status = ads_do_search(ads, "", LDAP_SCOPE_BASE, "(objectclass=*)", attrs, &res);
171 if (!ADS_ERR_OK(status)) {
172 return status;
173 }
174
175 if ( (schema = ads_pull_string(ads, mem_ctx, res, "schemaNamingContext")) == NULL ) {
176 ads_msgfree(ads, res);
177 return ADS_ERROR(LDAP_NO_RESULTS_RETURNED);
178 }
179
180 if ( (*schema_path = talloc_strdup(mem_ctx, schema)) == NULL ) {
181 ads_msgfree(ads, res);
182 return ADS_ERROR(LDAP_NO_MEMORY);
183 }
184
185 ads_msgfree(ads, res);
186
187 return status;
188}
189
190/**
191 * Check for "Services for Unix" or rfc2307 Schema and load some attributes into the ADS_STRUCT
192 * @param ads connection to ads server
193 * @param enum mapping type
194 * @return ADS_STATUS status of search (False if one or more attributes couldn't be
195 * found in Active Directory)
196 **/
197ADS_STATUS ads_check_posix_schema_mapping(TALLOC_CTX *mem_ctx,
198 ADS_STRUCT *ads,
199 enum wb_posix_mapping map_type,
200 struct posix_schema **s )
201{
202 TALLOC_CTX *ctx = NULL;
203 ADS_STATUS status;
204 char **oids_out, **names_out;
205 size_t num_names;
206 char *schema_path = NULL;
207 int i;
208 struct posix_schema *schema = NULL;
209
210 const char *oids_sfu[] = { ADS_ATTR_SFU_UIDNUMBER_OID,
211 ADS_ATTR_SFU_GIDNUMBER_OID,
212 ADS_ATTR_SFU_HOMEDIR_OID,
213 ADS_ATTR_SFU_SHELL_OID,
214 ADS_ATTR_SFU_GECOS_OID,
215 ADS_ATTR_SFU_UID_OID };
216
217 const char *oids_sfu20[] = { ADS_ATTR_SFU20_UIDNUMBER_OID,
218 ADS_ATTR_SFU20_GIDNUMBER_OID,
219 ADS_ATTR_SFU20_HOMEDIR_OID,
220 ADS_ATTR_SFU20_SHELL_OID,
221 ADS_ATTR_SFU20_GECOS_OID,
222 ADS_ATTR_SFU20_UID_OID };
223
224 const char *oids_rfc2307[] = { ADS_ATTR_RFC2307_UIDNUMBER_OID,
225 ADS_ATTR_RFC2307_GIDNUMBER_OID,
226 ADS_ATTR_RFC2307_HOMEDIR_OID,
227 ADS_ATTR_RFC2307_SHELL_OID,
228 ADS_ATTR_RFC2307_GECOS_OID,
229 ADS_ATTR_RFC2307_UID_OID };
230
231 DEBUG(10,("ads_check_posix_schema_mapping for schema mode: %d\n", map_type));
232
233 switch (map_type) {
234
235 case WB_POSIX_MAP_TEMPLATE:
236 case WB_POSIX_MAP_UNIXINFO:
237 DEBUG(10,("ads_check_posix_schema_mapping: nothing to do\n"));
238 return ADS_ERROR(LDAP_SUCCESS);
239
240 case WB_POSIX_MAP_SFU:
241 case WB_POSIX_MAP_SFU20:
242 case WB_POSIX_MAP_RFC2307:
243 break;
244
245 default:
246 DEBUG(0,("ads_check_posix_schema_mapping: "
247 "unknown enum %d\n", map_type));
248 return ADS_ERROR(LDAP_PARAM_ERROR);
249 }
250
251 if ( (ctx = talloc_init("ads_check_posix_schema_mapping")) == NULL ) {
252 return ADS_ERROR(LDAP_NO_MEMORY);
253 }
254
255 if ( (schema = talloc(mem_ctx, struct posix_schema)) == NULL ) {
256 TALLOC_FREE( ctx );
257 return ADS_ERROR(LDAP_NO_MEMORY);
258 }
259
260 status = ads_schema_path(ads, ctx, &schema_path);
261 if (!ADS_ERR_OK(status)) {
262 DEBUG(3,("ads_check_posix_mapping: Unable to retrieve schema DN!\n"));
263 goto done;
264 }
265
266 switch (map_type) {
267 case WB_POSIX_MAP_SFU:
268 status = ads_get_attrnames_by_oids(ads, ctx, schema_path, oids_sfu,
269 ARRAY_SIZE(oids_sfu),
270 &oids_out, &names_out, &num_names);
271 break;
272 case WB_POSIX_MAP_SFU20:
273 status = ads_get_attrnames_by_oids(ads, ctx, schema_path, oids_sfu20,
274 ARRAY_SIZE(oids_sfu20),
275 &oids_out, &names_out, &num_names);
276 break;
277 case WB_POSIX_MAP_RFC2307:
278 status = ads_get_attrnames_by_oids(ads, ctx, schema_path, oids_rfc2307,
279 ARRAY_SIZE(oids_rfc2307),
280 &oids_out, &names_out, &num_names);
281 break;
282 default:
283 status = ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
284 break;
285 }
286
287 if (!ADS_ERR_OK(status)) {
288 DEBUG(3,("ads_check_posix_schema_mapping: failed %s\n",
289 ads_errstr(status)));
290 goto done;
291 }
292
293 for (i=0; i<num_names; i++) {
294
295 DEBUGADD(10,("\tOID %s has name: %s\n", oids_out[i], names_out[i]));
296
297 if (strequal(ADS_ATTR_RFC2307_UIDNUMBER_OID, oids_out[i]) ||
298 strequal(ADS_ATTR_SFU_UIDNUMBER_OID, oids_out[i]) ||
299 strequal(ADS_ATTR_SFU20_UIDNUMBER_OID, oids_out[i])) {
300 schema->posix_uidnumber_attr = talloc_strdup(schema, names_out[i]);
301 continue;
302 }
303
304 if (strequal(ADS_ATTR_RFC2307_GIDNUMBER_OID, oids_out[i]) ||
305 strequal(ADS_ATTR_SFU_GIDNUMBER_OID, oids_out[i]) ||
306 strequal(ADS_ATTR_SFU20_GIDNUMBER_OID, oids_out[i])) {
307 schema->posix_gidnumber_attr = talloc_strdup(schema, names_out[i]);
308 continue;
309 }
310
311 if (strequal(ADS_ATTR_RFC2307_HOMEDIR_OID, oids_out[i]) ||
312 strequal(ADS_ATTR_SFU_HOMEDIR_OID, oids_out[i]) ||
313 strequal(ADS_ATTR_SFU20_HOMEDIR_OID, oids_out[i])) {
314 schema->posix_homedir_attr = talloc_strdup(schema, names_out[i]);
315 continue;
316 }
317
318 if (strequal(ADS_ATTR_RFC2307_SHELL_OID, oids_out[i]) ||
319 strequal(ADS_ATTR_SFU_SHELL_OID, oids_out[i]) ||
320 strequal(ADS_ATTR_SFU20_SHELL_OID, oids_out[i])) {
321 schema->posix_shell_attr = talloc_strdup(schema, names_out[i]);
322 continue;
323 }
324
325 if (strequal(ADS_ATTR_RFC2307_GECOS_OID, oids_out[i]) ||
326 strequal(ADS_ATTR_SFU_GECOS_OID, oids_out[i]) ||
327 strequal(ADS_ATTR_SFU20_GECOS_OID, oids_out[i])) {
328 schema->posix_gecos_attr = talloc_strdup(schema, names_out[i]);
329 }
330
331 if (strequal(ADS_ATTR_RFC2307_UID_OID, oids_out[i]) ||
332 strequal(ADS_ATTR_SFU_UID_OID, oids_out[i]) ||
333 strequal(ADS_ATTR_SFU20_UID_OID, oids_out[i])) {
334 schema->posix_uid_attr = talloc_strdup(schema, names_out[i]);
335 }
336 }
337
338 if (!schema->posix_uidnumber_attr ||
339 !schema->posix_gidnumber_attr ||
340 !schema->posix_homedir_attr ||
341 !schema->posix_shell_attr ||
342 !schema->posix_gecos_attr) {
343 status = ADS_ERROR(LDAP_NO_MEMORY);
344 TALLOC_FREE( schema );
345 goto done;
346 }
347
348 *s = schema;
349
350 status = ADS_ERROR(LDAP_SUCCESS);
351
352done:
353 TALLOC_FREE(ctx);
354
355 return status;
356}
357
358#endif
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