source: trunk-3.0/source/libads/ldap_schema.c@ 101

Last change on this file since 101 was 1, checked in by Paul Smedley, 18 years ago

Initial code import
File size: 8.0 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 ads (active directory) utility library
4 Copyright (C) Guenther Deschner 2005-2006
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 2 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, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20*/
21
22#include "includes.h"
23
24#ifdef HAVE_LDAP
25
26ADS_STATUS ads_get_attrnames_by_oids(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx,
27 const char *schema_path,
28 const char **OIDs, size_t num_OIDs,
29 char ***OIDs_out, char ***names, size_t *count)
30{
31 ADS_STATUS status;
32 LDAPMessage *res = NULL;
33 LDAPMessage *msg;
34 char *expr = NULL;
35 const char *attrs[] = { "lDAPDisplayName", "attributeId", NULL };
36 int i = 0, p = 0;
37
38 if (!ads || !mem_ctx || !names || !count || !OIDs || !OIDs_out) {
39 return ADS_ERROR(LDAP_PARAM_ERROR);
40 }
41
42 if (num_OIDs == 0 || OIDs[0] == NULL) {
43 return ADS_ERROR_NT(NT_STATUS_NONE_MAPPED);
44 }
45
46 if ((expr = talloc_asprintf(mem_ctx, "(|")) == NULL) {
47 return ADS_ERROR(LDAP_NO_MEMORY);
48 }
49
50 for (i=0; i<num_OIDs; i++) {
51
52 if ((expr = talloc_asprintf_append(expr, "(attributeId=%s)",
53 OIDs[i])) == NULL) {
54 return ADS_ERROR(LDAP_NO_MEMORY);
55 }
56 }
57
58 if ((expr = talloc_asprintf_append(expr, ")")) == NULL) {
59 return ADS_ERROR(LDAP_NO_MEMORY);
60 }
61
62 status = ads_do_search_retry(ads, schema_path,
63 LDAP_SCOPE_SUBTREE, expr, attrs, &res);
64 if (!ADS_ERR_OK(status)) {
65 return status;
66 }
67
68 *count = ads_count_replies(ads, res);
69 if (*count == 0 || !res) {
70 status = ADS_ERROR_NT(NT_STATUS_NONE_MAPPED);
71 goto out;
72 }
73
74 if (((*names) = TALLOC_ARRAY(mem_ctx, char *, *count)) == NULL) {
75 status = ADS_ERROR(LDAP_NO_MEMORY);
76 goto out;
77 }
78 if (((*OIDs_out) = TALLOC_ARRAY(mem_ctx, char *, *count)) == NULL) {
79 status = ADS_ERROR(LDAP_NO_MEMORY);
80 goto out;
81 }
82
83 for (msg = ads_first_entry(ads, res); msg != NULL;
84 msg = ads_next_entry(ads, msg)) {
85
86 (*names)[p] = ads_pull_string(ads, mem_ctx, msg,
87 "lDAPDisplayName");
88 (*OIDs_out)[p] = ads_pull_string(ads, mem_ctx, msg,
89 "attributeId");
90 if (((*names)[p] == NULL) || ((*OIDs_out)[p] == NULL)) {
91 status = ADS_ERROR(LDAP_NO_MEMORY);
92 goto out;
93 }
94
95 p++;
96 }
97
98 if (*count < num_OIDs) {
99 status = ADS_ERROR_NT(STATUS_SOME_UNMAPPED);
100 goto out;
101 }
102
103 status = ADS_ERROR(LDAP_SUCCESS);
104out:
105 ads_msgfree(ads, res);
106
107 return status;
108}
109
110const char *ads_get_attrname_by_oid(ADS_STRUCT *ads, const char *schema_path, TALLOC_CTX *mem_ctx, const char * OID)
111{
112 ADS_STATUS rc;
113 int count = 0;
114 LDAPMessage *res = NULL;
115 char *expr = NULL;
116 const char *attrs[] = { "lDAPDisplayName", NULL };
117 char *result;
118
119 if (ads == NULL || mem_ctx == NULL || OID == NULL) {
120 goto failed;
121 }
122
123 expr = talloc_asprintf(mem_ctx, "(attributeId=%s)", OID);
124 if (expr == NULL) {
125 goto failed;
126 }
127
128 rc = ads_do_search_retry(ads, schema_path, LDAP_SCOPE_SUBTREE,
129 expr, attrs, &res);
130 if (!ADS_ERR_OK(rc)) {
131 goto failed;
132 }
133
134 count = ads_count_replies(ads, res);
135 if (count == 0 || !res) {
136 goto failed;
137 }
138
139 result = ads_pull_string(ads, mem_ctx, res, "lDAPDisplayName");
140 ads_msgfree(ads, res);
141
142 return result;
143
144failed:
145 DEBUG(0,("ads_get_attrname_by_oid: failed to retrieve name for oid: %s\n",
146 OID));
147
148 ads_msgfree(ads, res);
149 return NULL;
150}
151
152/*********************************************************************
153*********************************************************************/
154
155static ADS_STATUS ads_schema_path(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, char **schema_path)
156{
157 ADS_STATUS status;
158 LDAPMessage *res;
159 const char *schema;
160 const char *attrs[] = { "schemaNamingContext", NULL };
161
162 status = ads_do_search(ads, "", LDAP_SCOPE_BASE, "(objectclass=*)", attrs, &res);
163 if (!ADS_ERR_OK(status)) {
164 return status;
165 }
166
167 if ( (schema = ads_pull_string(ads, mem_ctx, res, "schemaNamingContext")) == NULL ) {
168 ads_msgfree(ads, res);
169 return ADS_ERROR(LDAP_NO_RESULTS_RETURNED);
170 }
171
172 if ( (*schema_path = talloc_strdup(mem_ctx, schema)) == NULL ) {
173 ads_msgfree(ads, res);
174 return ADS_ERROR(LDAP_NO_MEMORY);
175 }
176
177 ads_msgfree(ads, res);
178
179 return status;
180}
181
182/**
183 * Check for "Services for Unix" or rfc2307 Schema and load some attributes into the ADS_STRUCT
184 * @param ads connection to ads server
185 * @param enum mapping type
186 * @return ADS_STATUS status of search (False if one or more attributes couldn't be
187 * found in Active Directory)
188 **/
189ADS_STATUS ads_check_posix_schema_mapping(TALLOC_CTX *mem_ctx,
190 ADS_STRUCT *ads,
191 enum wb_posix_mapping map_type,
192 struct posix_schema **s )
193{
194 TALLOC_CTX *ctx = NULL;
195 ADS_STATUS status;
196 char **oids_out, **names_out;
197 size_t num_names;
198 char *schema_path = NULL;
199 int i;
200 struct posix_schema *schema = NULL;
201
202 const char *oids_sfu[] = { ADS_ATTR_SFU_UIDNUMBER_OID,
203 ADS_ATTR_SFU_GIDNUMBER_OID,
204 ADS_ATTR_SFU_HOMEDIR_OID,
205 ADS_ATTR_SFU_SHELL_OID,
206 ADS_ATTR_SFU_GECOS_OID};
207
208 const char *oids_rfc2307[] = { ADS_ATTR_RFC2307_UIDNUMBER_OID,
209 ADS_ATTR_RFC2307_GIDNUMBER_OID,
210 ADS_ATTR_RFC2307_HOMEDIR_OID,
211 ADS_ATTR_RFC2307_SHELL_OID,
212 ADS_ATTR_RFC2307_GECOS_OID };
213
214 DEBUG(10,("ads_check_posix_schema_mapping\n"));
215
216 if ( (ctx = talloc_init("ads_check_posix_schema_mapping")) == NULL ) {
217 return ADS_ERROR(LDAP_NO_MEMORY);
218 }
219
220 if ( (schema = TALLOC_P(mem_ctx, struct posix_schema)) == NULL ) {
221 TALLOC_FREE( ctx );
222 return ADS_ERROR(LDAP_NO_MEMORY);
223 }
224
225 status = ads_schema_path(ads, ctx, &schema_path);
226 if (!ADS_ERR_OK(status)) {
227 DEBUG(3,("ads_check_posix_mapping: Unable to retrieve schema DN!\n"));
228 goto done;
229 }
230
231 if (map_type == WB_POSIX_MAP_SFU) {
232 status = ads_get_attrnames_by_oids(ads, ctx, schema_path, oids_sfu,
233 ARRAY_SIZE(oids_sfu),
234 &oids_out, &names_out, &num_names);
235 } else {
236 status = ads_get_attrnames_by_oids(ads, ctx, schema_path, oids_rfc2307,
237 ARRAY_SIZE(oids_rfc2307),
238 &oids_out, &names_out, &num_names);
239 }
240
241 if (!ADS_ERR_OK(status)) {
242 DEBUG(3,("ads_check_posix_schema_mapping: failed %s\n",
243 ads_errstr(status)));
244 goto done;
245 }
246
247 for (i=0; i<num_names; i++) {
248
249 DEBUGADD(10,("\tOID %s has name: %s\n", oids_out[i], names_out[i]));
250
251 if (strequal(ADS_ATTR_RFC2307_UIDNUMBER_OID, oids_out[i]) ||
252 strequal(ADS_ATTR_SFU_UIDNUMBER_OID, oids_out[i])) {
253 schema->posix_uidnumber_attr = talloc_strdup(schema, names_out[i]);
254 continue;
255 }
256
257 if (strequal(ADS_ATTR_RFC2307_GIDNUMBER_OID, oids_out[i]) ||
258 strequal(ADS_ATTR_SFU_GIDNUMBER_OID, oids_out[i])) {
259 schema->posix_gidnumber_attr = talloc_strdup(schema, names_out[i]);
260 continue;
261 }
262
263 if (strequal(ADS_ATTR_RFC2307_HOMEDIR_OID, oids_out[i]) ||
264 strequal(ADS_ATTR_SFU_HOMEDIR_OID, oids_out[i])) {
265 schema->posix_homedir_attr = talloc_strdup(schema, names_out[i]);
266 continue;
267 }
268
269 if (strequal(ADS_ATTR_RFC2307_SHELL_OID, oids_out[i]) ||
270 strequal(ADS_ATTR_SFU_SHELL_OID, oids_out[i])) {
271 schema->posix_shell_attr = talloc_strdup(schema, names_out[i]);
272 continue;
273 }
274
275 if (strequal(ADS_ATTR_RFC2307_GECOS_OID, oids_out[i]) ||
276 strequal(ADS_ATTR_SFU_GECOS_OID, oids_out[i])) {
277 schema->posix_gecos_attr = talloc_strdup(schema, names_out[i]);
278 }
279 }
280
281 if (!schema->posix_uidnumber_attr ||
282 !schema->posix_gidnumber_attr ||
283 !schema->posix_homedir_attr ||
284 !schema->posix_shell_attr ||
285 !schema->posix_gecos_attr) {
286 status = ADS_ERROR(LDAP_NO_MEMORY);
287 TALLOC_FREE( schema );
288 goto done;
289 }
290
291 *s = schema;
292
293 status = ADS_ERROR(LDAP_SUCCESS);
294
295done:
296 if (ctx) {
297 talloc_destroy(ctx);
298 }
299
300 return status;
301}
302
303#endif
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