source: trunk-3.0/source/lib/smbldap_util.c@ 101

Last change on this file since 101 was 22, checked in by Yuri Dario, 18 years ago

Source code upgrade to 3.0.25pre2.
File size: 9.4 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 2 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, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23
24*/
25
26#include "includes.h"
27#include "smbldap.h"
28
29/**********************************************************************
30 Add the account-policies below the sambaDomain object to LDAP,
31*********************************************************************/
32
33static NTSTATUS add_new_domain_account_policies(struct smbldap_state *ldap_state,
34 const char *domain_name)
35{
36 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
37 int i, rc;
38 uint32 policy_default;
39 const char *policy_attr = NULL;
40 pstring dn;
41 LDAPMod **mods = NULL;
42 char *escape_domain_name;
43
44 DEBUG(3,("add_new_domain_account_policies: Adding new account policies for domain\n"));
45
46 escape_domain_name = escape_rdn_val_string_alloc(domain_name);
47 if (!escape_domain_name) {
48 DEBUG(0, ("Out of memory!\n"));
49 return NT_STATUS_NO_MEMORY;
50 }
51
52 pstr_sprintf(dn, "%s=%s,%s",
53 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
54 escape_domain_name, lp_ldap_suffix());
55
56 SAFE_FREE(escape_domain_name);
57
58 for (i=1; decode_account_policy_name(i) != NULL; i++) {
59
60 pstring val;
61
62 policy_attr = get_account_policy_attr(i);
63 if (!policy_attr) {
64 DEBUG(0,("add_new_domain_account_policies: ops. no policy!\n"));
65 continue;
66 }
67
68 if (!account_policy_get_default(i, &policy_default)) {
69 DEBUG(0,("add_new_domain_account_policies: failed to get default account policy\n"));
70 return ntstatus;
71 }
72
73 DEBUG(10,("add_new_domain_account_policies: adding \"%s\" with value: %d\n", policy_attr, policy_default));
74
75 pstr_sprintf(val, "%d", policy_default);
76
77 smbldap_set_mod( &mods, LDAP_MOD_REPLACE, policy_attr, val);
78
79 rc = smbldap_modify(ldap_state, dn, mods);
80
81 if (rc!=LDAP_SUCCESS) {
82 char *ld_error = NULL;
83 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
84 DEBUG(1,("add_new_domain_account_policies: failed to add account policies to dn= %s with: %s\n\t%s\n",
85 dn, ldap_err2string(rc),
86 ld_error ? ld_error : "unknown"));
87 SAFE_FREE(ld_error);
88 ldap_mods_free(mods, True);
89 return ntstatus;
90 }
91 }
92
93 ldap_mods_free(mods, True);
94
95 return NT_STATUS_OK;
96}
97
98/**********************************************************************
99 Add the sambaDomain to LDAP, so we don't have to search for this stuff
100 again. This is a once-add operation for now.
101
102 TODO: Add other attributes, and allow modification.
103*********************************************************************/
104
105static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
106 const char *domain_name)
107{
108 fstring sid_string;
109 fstring algorithmic_rid_base_string;
110 pstring filter, dn;
111 LDAPMod **mods = NULL;
112 int rc;
113 LDAPMessage *result = NULL;
114 int num_result;
115 const char **attr_list;
116 char *escape_domain_name;
117
118 /* escape for filter */
119 escape_domain_name = escape_ldap_string_alloc(domain_name);
120 if (!escape_domain_name) {
121 DEBUG(0, ("Out of memory!\n"));
122 return NT_STATUS_NO_MEMORY;
123 }
124
125 slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
126 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
127 escape_domain_name, LDAP_OBJ_DOMINFO);
128
129 SAFE_FREE(escape_domain_name);
130
131 attr_list = get_attr_list( NULL, dominfo_attr_list );
132 rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
133 TALLOC_FREE( attr_list );
134
135 if (rc != LDAP_SUCCESS) {
136 return NT_STATUS_UNSUCCESSFUL;
137 }
138
139 num_result = ldap_count_entries(ldap_state->ldap_struct, result);
140
141 if (num_result > 1) {
142 DEBUG (0, ("add_new_domain_info: More than domain with that name exists: bailing "
143 "out!\n"));
144 ldap_msgfree(result);
145 return NT_STATUS_UNSUCCESSFUL;
146 }
147
148 /* Check if we need to add an entry */
149 DEBUG(3,("add_new_domain_info: Adding new domain\n"));
150
151 /* this time escape for DN */
152 escape_domain_name = escape_rdn_val_string_alloc(domain_name);
153 if (!escape_domain_name) {
154 DEBUG(0, ("Out of memory!\n"));
155 return NT_STATUS_NO_MEMORY;
156 }
157
158 pstr_sprintf(dn, "%s=%s,%s",
159 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
160 escape_domain_name, lp_ldap_suffix());
161
162 SAFE_FREE(escape_domain_name);
163
164 /* Free original search */
165 ldap_msgfree(result);
166
167 /* make the changes - the entry *must* not already have samba
168 * attributes */
169
170 smbldap_set_mod(&mods, LDAP_MOD_ADD,
171 get_attr_key2string(dominfo_attr_list,
172 LDAP_ATTR_DOMAIN),
173 domain_name);
174
175 /* If we don't have an entry, then ask secrets.tdb for what it thinks.
176 It may choose to make it up */
177
178 sid_to_string(sid_string, get_global_sam_sid());
179 smbldap_set_mod(&mods, LDAP_MOD_ADD,
180 get_attr_key2string(dominfo_attr_list,
181 LDAP_ATTR_DOM_SID),
182 sid_string);
183
184 slprintf(algorithmic_rid_base_string,
185 sizeof(algorithmic_rid_base_string) - 1, "%i",
186 algorithmic_rid_base());
187 smbldap_set_mod(&mods, LDAP_MOD_ADD,
188 get_attr_key2string(dominfo_attr_list,
189 LDAP_ATTR_ALGORITHMIC_RID_BASE),
190 algorithmic_rid_base_string);
191 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
192
193 /* add the sambaNextUserRid attributes. */
194
195 {
196 uint32 rid = BASE_RID;
197 fstring rid_str;
198
199 fstr_sprintf( rid_str, "%i", rid );
200 DEBUG(10,("add_new_domain_info: setting next available user rid [%s]\n", rid_str));
201 smbldap_set_mod(&mods, LDAP_MOD_ADD,
202 get_attr_key2string(dominfo_attr_list,
203 LDAP_ATTR_NEXT_USERRID),
204 rid_str);
205 }
206
207
208 rc = smbldap_add(ldap_state, dn, mods);
209
210 if (rc!=LDAP_SUCCESS) {
211 char *ld_error = NULL;
212 ldap_get_option(ldap_state->ldap_struct,
213 LDAP_OPT_ERROR_STRING, &ld_error);
214 DEBUG(1,("add_new_domain_info: failed to add domain dn= %s with: %s\n\t%s\n",
215 dn, ldap_err2string(rc),
216 ld_error?ld_error:"unknown"));
217 SAFE_FREE(ld_error);
218
219 ldap_mods_free(mods, True);
220 return NT_STATUS_UNSUCCESSFUL;
221 }
222
223 DEBUG(2,("add_new_domain_info: added: domain = %s in the LDAP database\n", domain_name));
224 ldap_mods_free(mods, True);
225 return NT_STATUS_OK;
226}
227
228/**********************************************************************
229Search for the domain info entry
230*********************************************************************/
231
232NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
233 LDAPMessage ** result, const char *domain_name,
234 BOOL try_add)
235{
236 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
237 pstring filter;
238 int rc;
239 const char **attr_list;
240 int count;
241 char *escape_domain_name;
242
243 escape_domain_name = escape_ldap_string_alloc(domain_name);
244 if (!escape_domain_name) {
245 DEBUG(0, ("Out of memory!\n"));
246 return NT_STATUS_NO_MEMORY;
247 }
248
249 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
250 LDAP_OBJ_DOMINFO,
251 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
252 escape_domain_name);
253
254 SAFE_FREE(escape_domain_name);
255
256 DEBUG(2, ("smbldap_search_domain_info: Searching for:[%s]\n", filter));
257
258 attr_list = get_attr_list( NULL, dominfo_attr_list );
259 rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
260 TALLOC_FREE( attr_list );
261
262 if (rc != LDAP_SUCCESS) {
263 DEBUG(2,("smbldap_search_domain_info: Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
264 DEBUG(2,("smbldap_search_domain_info: Query was: %s, %s\n", lp_ldap_suffix(), filter));
265 goto failed;
266 }
267
268 count = ldap_count_entries(ldap_state->ldap_struct, *result);
269
270 if (count == 1)
271 return NT_STATUS_OK;
272
273 ldap_msgfree(*result);
274 *result = NULL;
275
276 if (count < 1) {
277
278 DEBUG(3, ("smbldap_search_domain_info: Got no domain info entries for domain\n"));
279
280 if (!try_add)
281 goto failed;
282
283 status = add_new_domain_info(ldap_state, domain_name);
284 if (!NT_STATUS_IS_OK(status)) {
285 DEBUG(0, ("smbldap_search_domain_info: Adding domain info for %s failed with %s\n",
286 domain_name, nt_errstr(status)));
287 goto failed;
288 }
289
290 status = add_new_domain_account_policies(ldap_state, domain_name);
291 if (!NT_STATUS_IS_OK(status)) {
292 DEBUG(0, ("smbldap_search_domain_info: Adding domain account policies for %s failed with %s\n",
293 domain_name, nt_errstr(status)));
294 goto failed;
295 }
296
297 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
298
299 }
300
301 if (count > 1 ) {
302
303 DEBUG(0, ("smbldap_search_domain_info: Got too many (%d) domain info entries for domain %s\n",
304 count, domain_name));
305 goto failed;
306 }
307
308failed:
309 return status;
310}
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