summaryrefslogtreecommitdiff
path: root/lib/ldb/tools/ldbutil.c
blob: 26f252704c1de7e9b40df591fe4c9774bc53d43e (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
/*
   ldb database library utility

   Copyright (C) Matthieu Patou 2009

     ** NOTE! The following LGPL license applies to the ldb
     ** library. This does NOT imply that all of Samba is released
     ** under the LGPL

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/

/*
 *  Name: ldb
 *
 *  Description: Common function used by ldb_add/ldb_modify/ldb_delete
 *
 *  Author: Matthieu Patou
 */

#include "ldb.h"
#include "ldb_module.h"
#include "ldbutil.h"


/* autostarts a transacion if none active */
static int ldb_do_autotransaction(struct ldb_context *ldb,
				       struct ldb_request *req)
{
	int ret;

	ret = ldb_transaction_start(ldb);
	if (ret != LDB_SUCCESS) {
		return ret;
	}

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

	if (ret == LDB_SUCCESS) {
		return ldb_transaction_commit(ldb);
	}
	ldb_transaction_cancel(ldb);

	if (ldb_errstring(ldb) == NULL) {
		/* no error string was setup by the backend */
		ldb_asprintf_errstring(ldb, "%s (%d)", ldb_strerror(ret), ret);
	}

	return ret;
}
/*
  Same as ldb_add but accept control
*/
int ldb_add_ctrl(struct ldb_context *ldb,
		const struct ldb_message *message,
		struct ldb_control **controls)
{
	struct ldb_request *req;
	int ret;

	ret = ldb_msg_sanity_check(ldb, message);
	if (ret != LDB_SUCCESS) {
		return ret;
	}

	ret = ldb_build_add_req(&req, ldb, ldb,
					message,
					controls,
					NULL,
					ldb_op_default_callback,
					NULL);

	if (ret != LDB_SUCCESS) return ret;

	/* do request and autostart a transaction */
	ret = ldb_do_autotransaction(ldb, req);

	talloc_free(req);
	return ret;
}

/*
  same as ldb_delete but accept control
*/
int ldb_delete_ctrl(struct ldb_context *ldb, struct ldb_dn *dn,
		struct ldb_control **controls)
{
	struct ldb_request *req;
	int ret;

	ret = ldb_build_del_req(&req, ldb, ldb,
					dn,
					controls,
					NULL,
					ldb_op_default_callback,
					NULL);

	if (ret != LDB_SUCCESS) return ret;

	/* do request and autostart a transaction */
	ret = ldb_do_autotransaction(ldb, req);

	talloc_free(req);
	return ret;
}


/*
  same as ldb_modify, but accepts controls
*/
int ldb_modify_ctrl(struct ldb_context *ldb,
                    const struct ldb_message *message,
                    struct ldb_control **controls)
{
        struct ldb_request *req;
        int ret;

        ret = ldb_msg_sanity_check(ldb, message);
        if (ret != LDB_SUCCESS) {
                return ret;
        }

        ret = ldb_build_mod_req(&req, ldb, ldb,
                                        message,
                                        controls,
                                        NULL,
                                        ldb_op_default_callback,
                                        NULL);

        if (ret != LDB_SUCCESS) return ret;

        /* do request and autostart a transaction */
        ret = ldb_do_autotransaction(ldb, req);

        talloc_free(req);
        return ret;
}


/*
  ldb_search with controls
*/
int ldb_search_ctrl(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
		    struct ldb_result **result, struct ldb_dn *base,
		    enum ldb_scope scope, const char * const *attrs,
		    struct ldb_control **controls,
		    const char *exp_fmt, ...)
{
	struct ldb_request *req;
	struct ldb_result *res;
	char *expression;
	va_list ap;
	int ret;

	expression = NULL;
	*result = NULL;
	req = NULL;

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

	if (exp_fmt) {
		va_start(ap, exp_fmt);
		expression = talloc_vasprintf(mem_ctx, exp_fmt, ap);
		va_end(ap);

		if (!expression) {
			talloc_free(res);
			return LDB_ERR_OPERATIONS_ERROR;
		}
	}

	ret = ldb_build_search_req(&req, ldb, mem_ctx,
				   base?base:ldb_get_default_basedn(ldb),
				   scope,
				   expression,
				   attrs,
				   controls,
				   res,
				   ldb_search_default_callback,
				   NULL);
	ldb_req_set_location(req, "ldb_search_ctrl");

	if (ret != LDB_SUCCESS) goto done;

	ret = ldb_request(ldb, req);

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

done:
	if (ret != LDB_SUCCESS) {
		talloc_free(res);
		res = NULL;
	}

	talloc_free(expression);
	talloc_free(req);

	*result = res;
	return ret;
}