summaryrefslogtreecommitdiffstats
path: root/source3/lib/smbldap_util.c
blob: 66aef6ba668f0dc3daa91e70b36908ab2f255b2f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
/* 
   Unix SMB/CIFS mplementation.
   LDAP protocol helper functions for SAMBA
   Copyright (C) Jean François Micouleau	1998
   Copyright (C) Gerald Carter			2001-2003
   Copyright (C) Shahms King			2001
   Copyright (C) Andrew Bartlett		2002-2003
   Copyright (C) Stefan (metze) Metzmacher	2002-2003
    
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
   
*/

#include "includes.h"
#include "smbldap.h"

/**********************************************************************
 Add the account-policies below the sambaDomain object to LDAP, 
*********************************************************************/

static NTSTATUS add_new_domain_account_policies(struct smbldap_state *ldap_state,
					 	const char *domain_name)
{
	NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
	int i, rc;
	uint32 policy_default;
	const char *policy_attr = NULL;
	char *dn = NULL;
	LDAPMod **mods = NULL;
	char *escape_domain_name;

	DEBUG(3,("add_new_domain_account_policies: Adding new account policies for domain\n"));

	escape_domain_name = escape_rdn_val_string_alloc(domain_name);
	if (!escape_domain_name) {
		DEBUG(0, ("Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	if (asprintf(&dn, "%s=%s,%s",
		get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
		escape_domain_name, lp_ldap_suffix()) < 0) {
		SAFE_FREE(escape_domain_name);
		return NT_STATUS_NO_MEMORY;
	}

	SAFE_FREE(escape_domain_name);

	for (i=1; decode_account_policy_name(i) != NULL; i++) {
		char *val = NULL;

		policy_attr = get_account_policy_attr(i);
		if (!policy_attr) {
			DEBUG(0,("add_new_domain_account_policies: ops. no policy!\n"));
			continue;
		}

		if (!account_policy_get_default(i, &policy_default)) {
			DEBUG(0,("add_new_domain_account_policies: failed to get default account policy\n"));
			SAFE_FREE(dn);
			return ntstatus;
		}

		DEBUG(10,("add_new_domain_account_policies: adding \"%s\" with value: %d\n", policy_attr, policy_default));

		if (asprintf(&val, "%d", policy_default) < 0) {
			SAFE_FREE(dn);
			return NT_STATUS_NO_MEMORY;
		}

		smbldap_set_mod( &mods, LDAP_MOD_REPLACE, policy_attr, val);

		rc = smbldap_modify(ldap_state, dn, mods);

		SAFE_FREE(val);

		if (rc!=LDAP_SUCCESS) {
			char *ld_error = NULL;
			ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
			DEBUG(1,("add_new_domain_account_policies: failed to add account policies to dn= %s with: %s\n\t%s\n",
				dn, ldap_err2string(rc),
				ld_error ? ld_error : "unknown"));
			SAFE_FREE(ld_error);
			SAFE_FREE(dn);
			ldap_mods_free(mods, True);
			return ntstatus;
		}
	}

	SAFE_FREE(dn);
	ldap_mods_free(mods, True);

	return NT_STATUS_OK;
}

/**********************************************************************
 Add the sambaDomain to LDAP, so we don't have to search for this stuff
 again.  This is a once-add operation for now.

 TODO:  Add other attributes, and allow modification.
*********************************************************************/

static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
                                    const char *domain_name)
{
	fstring sid_string;
	fstring algorithmic_rid_base_string;
	char *filter = NULL;
	char *dn = NULL;
	LDAPMod **mods = NULL;
	int rc;
	LDAPMessage *result = NULL;
	int num_result;
	const char **attr_list;
	char *escape_domain_name;

	/* escape for filter */
	escape_domain_name = escape_ldap_string_alloc(domain_name);
	if (!escape_domain_name) {
		DEBUG(0, ("Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	if (asprintf(&filter, "(&(%s=%s)(objectclass=%s))",
		get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
			escape_domain_name, LDAP_OBJ_DOMINFO) < 0) {
		SAFE_FREE(escape_domain_name);
		return NT_STATUS_NO_MEMORY;
	}

	SAFE_FREE(escape_domain_name);

	attr_list = get_attr_list(NULL, dominfo_attr_list );
	rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
	TALLOC_FREE( attr_list );
	SAFE_FREE(filter);

	if (rc != LDAP_SUCCESS) {
		return NT_STATUS_UNSUCCESSFUL;
	}

	num_result = ldap_count_entries(ldap_state->ldap_struct, result);

	if (num_result > 1) {
		DEBUG (0, ("add_new_domain_info: More than domain with that name exists: bailing "
			   "out!\n"));
		ldap_msgfree(result);
		return NT_STATUS_UNSUCCESSFUL;
	}

	/* Check if we need to add an entry */
	DEBUG(3,("add_new_domain_info: Adding new domain\n"));

	/* this time escape for DN */
	escape_domain_name = escape_rdn_val_string_alloc(domain_name);
	if (!escape_domain_name) {
		DEBUG(0, ("Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	if (asprintf(&dn, "%s=%s,%s",
		     get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
		     escape_domain_name, lp_ldap_suffix()) < 0) {
		SAFE_FREE(escape_domain_name);
		return NT_STATUS_NO_MEMORY;
	}

	SAFE_FREE(escape_domain_name);

	/* Free original search */
	ldap_msgfree(result);

	/* make the changes - the entry *must* not already have samba
	 * attributes */

	smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_DOMAIN),
			domain_name);

	/* If we don't have an entry, then ask secrets.tdb for what it thinks.
	   It may choose to make it up */

	sid_to_fstring(sid_string, get_global_sam_sid());
	smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_DOM_SID),
			sid_string);

	slprintf(algorithmic_rid_base_string,
		 sizeof(algorithmic_rid_base_string) - 1, "%i",
		 algorithmic_rid_base());
	smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_ALGORITHMIC_RID_BASE),
			algorithmic_rid_base_string);
	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);

	/* add the sambaNextUserRid attributes. */

	{
		uint32 rid = BASE_RID;
		fstring rid_str;

		fstr_sprintf( rid_str, "%i", rid );
		DEBUG(10,("add_new_domain_info: setting next available user rid [%s]\n", rid_str));
		smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_NEXT_USERRID),
			rid_str);
        }


	rc = smbldap_add(ldap_state, dn, mods);

	if (rc!=LDAP_SUCCESS) {
		char *ld_error = NULL;
		ldap_get_option(ldap_state->ldap_struct,
				LDAP_OPT_ERROR_STRING, &ld_error);
		DEBUG(1,("add_new_domain_info: failed to add domain dn= %s with: %s\n\t%s\n",
			 dn, ldap_err2string(rc),
			 ld_error?ld_error:"unknown"));
		SAFE_FREE(ld_error);
		SAFE_FREE(dn);
		ldap_mods_free(mods, True);
		return NT_STATUS_UNSUCCESSFUL;
	}

	DEBUG(2,("add_new_domain_info: added: domain = %s in the LDAP database\n", domain_name));
	ldap_mods_free(mods, True);
	SAFE_FREE(dn);
	return NT_STATUS_OK;
}

/**********************************************************************
Search for the domain info entry
*********************************************************************/

NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
                                    LDAPMessage ** result, const char *domain_name,
                                    bool try_add)
{
	NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
	char *filter = NULL;
	int rc;
	const char **attr_list;
	int count;
	char *escape_domain_name;

	escape_domain_name = escape_ldap_string_alloc(domain_name);
	if (!escape_domain_name) {
		DEBUG(0, ("Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
		LDAP_OBJ_DOMINFO,
		get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
		escape_domain_name) < 0) {
		SAFE_FREE(escape_domain_name);
		return NT_STATUS_NO_MEMORY;
	}

	SAFE_FREE(escape_domain_name);

	DEBUG(2, ("smbldap_search_domain_info: Searching for:[%s]\n", filter));

	attr_list = get_attr_list( NULL, dominfo_attr_list );
	rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
	TALLOC_FREE( attr_list );

	if (rc != LDAP_SUCCESS) {
		DEBUG(2,("smbldap_search_domain_info: Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
		DEBUG(2,("smbldap_search_domain_info: Query was: %s, %s\n", lp_ldap_suffix(), filter));
		goto failed;
	}

	SAFE_FREE(filter);

	count = ldap_count_entries(ldap_state->ldap_struct, *result);

	if (count == 1) {
		return NT_STATUS_OK;
	}

	ldap_msgfree(*result);
	*result = NULL;

	if (count < 1) {

		DEBUG(3, ("smbldap_search_domain_info: Got no domain info entries for domain\n"));

		if (!try_add)
			goto failed;

		status = add_new_domain_info(ldap_state, domain_name);
		if (!NT_STATUS_IS_OK(status)) {
			DEBUG(0, ("smbldap_search_domain_info: Adding domain info for %s failed with %s\n", 
				domain_name, nt_errstr(status)));
			goto failed;
		}

		status = add_new_domain_account_policies(ldap_state, domain_name);
		if (!NT_STATUS_IS_OK(status)) {
			DEBUG(0, ("smbldap_search_domain_info: Adding domain account policies for %s failed with %s\n", 
				domain_name, nt_errstr(status)));
			goto failed;
		}

		return smbldap_search_domain_info(ldap_state, result, domain_name, False);

	} 
	
	if (count > 1 ) {
	
		DEBUG(0, ("smbldap_search_domain_info: Got too many (%d) domain info entries for domain %s\n",
			  count, domain_name));
		goto failed;
	}

failed:
	return status;
}