source: vendor/3.5.0/source3/lib/smbldap_util.c

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

Samba 3.5.0: Initial import
File size: 9.5 KB
Line 
1/*
2 Unix SMB/CIFS mplementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
22
23*/
24
25#include "includes.h"
26#include "smbldap.h"
27
28/**********************************************************************
29 Add the account-policies below the sambaDomain object to LDAP,
30*********************************************************************/
31
32static NTSTATUS add_new_domain_account_policies(struct smbldap_state *ldap_state,
33 const char *domain_name)
34{
35 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
36 int i, rc;
37 uint32 policy_default;
38 const char *policy_attr = NULL;
39 char *dn = NULL;
40 LDAPMod **mods = NULL;
41 char *escape_domain_name;
42
43 DEBUG(3,("add_new_domain_account_policies: Adding new account policies for domain\n"));
44
45 escape_domain_name = escape_rdn_val_string_alloc(domain_name);
46 if (!escape_domain_name) {
47 DEBUG(0, ("Out of memory!\n"));
48 return NT_STATUS_NO_MEMORY;
49 }
50
51 if (asprintf(&dn, "%s=%s,%s",
52 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
53 escape_domain_name, lp_ldap_suffix()) < 0) {
54 SAFE_FREE(escape_domain_name);
55 return NT_STATUS_NO_MEMORY;
56 }
57
58 SAFE_FREE(escape_domain_name);
59
60 for (i=1; decode_account_policy_name(i) != NULL; i++) {
61 char *val = NULL;
62
63 policy_attr = get_account_policy_attr(i);
64 if (!policy_attr) {
65 DEBUG(0,("add_new_domain_account_policies: ops. no policy!\n"));
66 continue;
67 }
68
69 if (!account_policy_get_default(i, &policy_default)) {
70 DEBUG(0,("add_new_domain_account_policies: failed to get default account policy\n"));
71 SAFE_FREE(dn);
72 return ntstatus;
73 }
74
75 DEBUG(10,("add_new_domain_account_policies: adding \"%s\" with value: %d\n", policy_attr, policy_default));
76
77 if (asprintf(&val, "%d", policy_default) < 0) {
78 SAFE_FREE(dn);
79 return NT_STATUS_NO_MEMORY;
80 }
81
82 smbldap_set_mod( &mods, LDAP_MOD_REPLACE, policy_attr, val);
83
84 rc = smbldap_modify(ldap_state, dn, mods);
85
86 SAFE_FREE(val);
87
88 if (rc!=LDAP_SUCCESS) {
89 char *ld_error = NULL;
90 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
91 DEBUG(1,("add_new_domain_account_policies: failed to add account policies to dn= %s with: %s\n\t%s\n",
92 dn, ldap_err2string(rc),
93 ld_error ? ld_error : "unknown"));
94 SAFE_FREE(ld_error);
95 SAFE_FREE(dn);
96 ldap_mods_free(mods, True);
97 return ntstatus;
98 }
99 }
100
101 SAFE_FREE(dn);
102 ldap_mods_free(mods, True);
103
104 return NT_STATUS_OK;
105}
106
107/**********************************************************************
108 Add the sambaDomain to LDAP, so we don't have to search for this stuff
109 again. This is a once-add operation for now.
110
111 TODO: Add other attributes, and allow modification.
112*********************************************************************/
113
114static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
115 const char *domain_name)
116{
117 fstring sid_string;
118 fstring algorithmic_rid_base_string;
119 char *filter = NULL;
120 char *dn = NULL;
121 LDAPMod **mods = NULL;
122 int rc;
123 LDAPMessage *result = NULL;
124 int num_result;
125 const char **attr_list;
126 char *escape_domain_name;
127
128 /* escape for filter */
129 escape_domain_name = escape_ldap_string(talloc_tos(), domain_name);
130 if (!escape_domain_name) {
131 DEBUG(0, ("Out of memory!\n"));
132 return NT_STATUS_NO_MEMORY;
133 }
134
135 if (asprintf(&filter, "(&(%s=%s)(objectclass=%s))",
136 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
137 escape_domain_name, LDAP_OBJ_DOMINFO) < 0) {
138 TALLOC_FREE(escape_domain_name);
139 return NT_STATUS_NO_MEMORY;
140 }
141
142 TALLOC_FREE(escape_domain_name);
143
144 attr_list = get_attr_list(NULL, dominfo_attr_list );
145 rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
146 TALLOC_FREE( attr_list );
147 SAFE_FREE(filter);
148
149 if (rc != LDAP_SUCCESS) {
150 return NT_STATUS_UNSUCCESSFUL;
151 }
152
153 num_result = ldap_count_entries(ldap_state->ldap_struct, result);
154
155 if (num_result > 1) {
156 DEBUG (0, ("add_new_domain_info: More than domain with that name exists: bailing "
157 "out!\n"));
158 ldap_msgfree(result);
159 return NT_STATUS_UNSUCCESSFUL;
160 }
161
162 /* Check if we need to add an entry */
163 DEBUG(3,("add_new_domain_info: Adding new domain\n"));
164
165 /* this time escape for DN */
166 escape_domain_name = escape_rdn_val_string_alloc(domain_name);
167 if (!escape_domain_name) {
168 DEBUG(0, ("Out of memory!\n"));
169 return NT_STATUS_NO_MEMORY;
170 }
171
172 if (asprintf(&dn, "%s=%s,%s",
173 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
174 escape_domain_name, lp_ldap_suffix()) < 0) {
175 SAFE_FREE(escape_domain_name);
176 return NT_STATUS_NO_MEMORY;
177 }
178
179 SAFE_FREE(escape_domain_name);
180
181 /* Free original search */
182 ldap_msgfree(result);
183
184 /* make the changes - the entry *must* not already have samba
185 * attributes */
186
187 smbldap_set_mod(&mods, LDAP_MOD_ADD,
188 get_attr_key2string(dominfo_attr_list,
189 LDAP_ATTR_DOMAIN),
190 domain_name);
191
192 /* If we don't have an entry, then ask secrets.tdb for what it thinks.
193 It may choose to make it up */
194
195 sid_to_fstring(sid_string, get_global_sam_sid());
196 smbldap_set_mod(&mods, LDAP_MOD_ADD,
197 get_attr_key2string(dominfo_attr_list,
198 LDAP_ATTR_DOM_SID),
199 sid_string);
200
201 slprintf(algorithmic_rid_base_string,
202 sizeof(algorithmic_rid_base_string) - 1, "%i",
203 algorithmic_rid_base());
204 smbldap_set_mod(&mods, LDAP_MOD_ADD,
205 get_attr_key2string(dominfo_attr_list,
206 LDAP_ATTR_ALGORITHMIC_RID_BASE),
207 algorithmic_rid_base_string);
208 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
209
210 /* add the sambaNextUserRid attributes. */
211
212 {
213 uint32 rid = BASE_RID;
214 fstring rid_str;
215
216 fstr_sprintf( rid_str, "%i", rid );
217 DEBUG(10,("add_new_domain_info: setting next available user rid [%s]\n", rid_str));
218 smbldap_set_mod(&mods, LDAP_MOD_ADD,
219 get_attr_key2string(dominfo_attr_list,
220 LDAP_ATTR_NEXT_USERRID),
221 rid_str);
222 }
223
224
225 rc = smbldap_add(ldap_state, dn, mods);
226
227 if (rc!=LDAP_SUCCESS) {
228 char *ld_error = NULL;
229 ldap_get_option(ldap_state->ldap_struct,
230 LDAP_OPT_ERROR_STRING, &ld_error);
231 DEBUG(1,("add_new_domain_info: failed to add domain dn= %s with: %s\n\t%s\n",
232 dn, ldap_err2string(rc),
233 ld_error?ld_error:"unknown"));
234 SAFE_FREE(ld_error);
235 SAFE_FREE(dn);
236 ldap_mods_free(mods, True);
237 return NT_STATUS_UNSUCCESSFUL;
238 }
239
240 DEBUG(2,("add_new_domain_info: added: domain = %s in the LDAP database\n", domain_name));
241 ldap_mods_free(mods, True);
242 SAFE_FREE(dn);
243 return NT_STATUS_OK;
244}
245
246/**********************************************************************
247Search for the domain info entry
248*********************************************************************/
249
250NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
251 LDAPMessage ** result, const char *domain_name,
252 bool try_add)
253{
254 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
255 char *filter = NULL;
256 int rc;
257 const char **attr_list;
258 int count;
259 char *escape_domain_name;
260
261 escape_domain_name = escape_ldap_string(talloc_tos(), domain_name);
262 if (!escape_domain_name) {
263 DEBUG(0, ("Out of memory!\n"));
264 return NT_STATUS_NO_MEMORY;
265 }
266
267 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
268 LDAP_OBJ_DOMINFO,
269 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
270 escape_domain_name) < 0) {
271 TALLOC_FREE(escape_domain_name);
272 return NT_STATUS_NO_MEMORY;
273 }
274
275 TALLOC_FREE(escape_domain_name);
276
277 DEBUG(2, ("smbldap_search_domain_info: Searching for:[%s]\n", filter));
278
279 attr_list = get_attr_list( NULL, dominfo_attr_list );
280 rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
281 TALLOC_FREE( attr_list );
282
283 if (rc != LDAP_SUCCESS) {
284 DEBUG(2,("smbldap_search_domain_info: Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
285 DEBUG(2,("smbldap_search_domain_info: Query was: %s, %s\n", lp_ldap_suffix(), filter));
286 goto failed;
287 }
288
289 SAFE_FREE(filter);
290
291 count = ldap_count_entries(ldap_state->ldap_struct, *result);
292
293 if (count == 1) {
294 return NT_STATUS_OK;
295 }
296
297 ldap_msgfree(*result);
298 *result = NULL;
299
300 if (count < 1) {
301
302 DEBUG(3, ("smbldap_search_domain_info: Got no domain info entries for domain\n"));
303
304 if (!try_add)
305 goto failed;
306
307 status = add_new_domain_info(ldap_state, domain_name);
308 if (!NT_STATUS_IS_OK(status)) {
309 DEBUG(0, ("smbldap_search_domain_info: Adding domain info for %s failed with %s\n",
310 domain_name, nt_errstr(status)));
311 goto failed;
312 }
313
314 status = add_new_domain_account_policies(ldap_state, domain_name);
315 if (!NT_STATUS_IS_OK(status)) {
316 DEBUG(0, ("smbldap_search_domain_info: Adding domain account policies for %s failed with %s\n",
317 domain_name, nt_errstr(status)));
318 goto failed;
319 }
320
321 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
322
323 }
324
325 if (count > 1 ) {
326
327 DEBUG(0, ("smbldap_search_domain_info: Got too many (%d) domain info entries for domain %s\n",
328 count, domain_name));
329 goto failed;
330 }
331
332failed:
333 return status;
334}
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