summaryrefslogtreecommitdiff
path: root/source4/dsdb/samdb/ldb_modules/util.c
blob: b0f22de2559cc313e5933e0a0cfe5e9658f0baa0 (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
/* 
   Unix SMB/CIFS implementation.
   Samba utility functions

   Copyright (C) Andrew Tridgell 2009
   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009

   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 "ldb.h"
#include "ldb_module.h"
#include "dsdb/samdb/ldb_modules/util.h"
#include "dsdb/samdb/samdb.h"

int dsdb_module_search_handle_flags(struct ldb_module *module, struct ldb_request *req, int dsdb_flags) 
{
	int ret;
	if (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) {
		struct ldb_search_options_control *options;
		/* Using the phantom root control allows us to search all partitions */
		options = talloc(req, struct ldb_search_options_control);
		if (options == NULL) {
			ldb_module_oom(module);
			return LDB_ERR_OPERATIONS_ERROR;
		}
		options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
		
		ret = ldb_request_add_control(req,
					      LDB_CONTROL_SEARCH_OPTIONS_OID,
					      true, options);
		if (ret != LDB_SUCCESS) {
			return ret;
		}
	}

	if (dsdb_flags & DSDB_SEARCH_SHOW_DELETED) {
		ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
		if (ret != LDB_SUCCESS) {
			return ret;
		}
	}

	if (dsdb_flags & DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT) {
		ret = ldb_request_add_control(req, DSDB_CONTROL_DN_STORAGE_FORMAT_OID, true, NULL);
		if (ret != LDB_SUCCESS) {
			return ret;
		}
	}

	if (dsdb_flags & DSDB_SEARCH_SHOW_EXTENDED_DN) {
		struct ldb_extended_dn_control *extended_ctrl = talloc(req, struct ldb_extended_dn_control);
		if (!extended_ctrl) {
			ldb_module_oom(module);
			return LDB_ERR_OPERATIONS_ERROR;
		}
		extended_ctrl->type = 1;
		
		ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_ctrl);
		if (ret != LDB_SUCCESS) {
			return ret;
		}
	}

	return LDB_SUCCESS;
}

/*
  search for attrs on one DN, in the modules below
 */
int dsdb_module_search_dn(struct ldb_module *module,
			  TALLOC_CTX *mem_ctx,
			  struct ldb_result **_res,
			  struct ldb_dn *basedn,
			  const char * const *attrs,
			  int dsdb_flags)
{
	int ret;
	struct ldb_request *req;
	TALLOC_CTX *tmp_ctx;
	struct ldb_result *res;

	tmp_ctx = talloc_new(mem_ctx);

	res = talloc_zero(tmp_ctx, struct ldb_result);
	if (!res) {
		return LDB_ERR_OPERATIONS_ERROR;
	}

	ret = ldb_build_search_req(&req, ldb_module_get_ctx(module), tmp_ctx,
				   basedn,
				   LDB_SCOPE_BASE,
				   NULL,
				   attrs,
				   NULL,
				   res,
				   ldb_search_default_callback,
				   NULL);
	if (ret != LDB_SUCCESS) {
		talloc_free(tmp_ctx);
		return ret;
	}

	ret = dsdb_module_search_handle_flags(module, req, dsdb_flags);
	if (ret != LDB_SUCCESS) {
		talloc_free(tmp_ctx);
		return ret;
	}

	ret = ldb_next_request(module, req);
	if (ret == LDB_SUCCESS) {
		ret = ldb_wait(req->handle, LDB_WAIT_ALL);
	}

	if (ret != LDB_SUCCESS) {
		talloc_free(tmp_ctx);
		return ret;
	}

	if (res->count != 1) {
		/* we may be reading a DB that does not have the 'check base on search' option... */
		ret = LDB_ERR_NO_SUCH_OBJECT;
		ldb_asprintf_errstring(ldb_module_get_ctx(module), 
				       "dsdb_module_search_dn: did not find base dn %s (%d results)", 
				       ldb_dn_get_linearized(basedn), res->count);
	} else {
		*_res = talloc_steal(mem_ctx, res);
	}
	talloc_free(tmp_ctx);
	return ret;
}

/*
  search for attrs in the modules below
 */
int dsdb_module_search(struct ldb_module *module,
		       TALLOC_CTX *mem_ctx,
		       struct ldb_result **_res,
		       struct ldb_dn *basedn, enum ldb_scope scope, 
		       const char * const *attrs,
		       int dsdb_flags, 
		       const char *expression)
{
	int ret;
	struct ldb_request *req;
	TALLOC_CTX *tmp_ctx;
	struct ldb_result *res;

	tmp_ctx = talloc_new(mem_ctx);

	res = talloc_zero(tmp_ctx, struct ldb_result);
	if (!res) {
		return LDB_ERR_OPERATIONS_ERROR;
	}

	ret = ldb_build_search_req(&req, ldb_module_get_ctx(module), tmp_ctx,
				   basedn,
				   scope,
				   expression,
				   attrs,
				   NULL,
				   res,
				   ldb_search_default_callback,
				   NULL);
	if (ret != LDB_SUCCESS) {
		talloc_free(tmp_ctx);
		return ret;
	}

	ret = dsdb_module_search_handle_flags(module, req, dsdb_flags);
	if (ret != LDB_SUCCESS) {
		talloc_free(tmp_ctx);
		return ret;
	}

	ret = ldb_next_request(module, req);
	if (ret == LDB_SUCCESS) {
		ret = ldb_wait(req->handle, LDB_WAIT_ALL);
	}

	talloc_free(req);
	if (ret == LDB_SUCCESS) {
		*_res = talloc_steal(mem_ctx, res);
	}
	talloc_free(tmp_ctx);
	return ret;
}