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
|
/*
ldb database library
Copyright (C) Simo Sorce 2004
** 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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Name: ldb
*
* Component: ldb objectguid module
*
* Description: add a unique objectGUID onto every new record
*
* Author: Simo Sorce
*/
#include "includes.h"
#include "ldb/include/ldb.h"
#include "ldb/include/ldb_private.h"
#include <time.h>
static int rdn_name_search_bytree(struct ldb_module *module, const struct ldb_dn *base,
enum ldb_scope scope, struct ldb_parse_tree *tree,
const char * const *attrs, struct ldb_message ***res)
{
ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_search\n");
return ldb_next_search_bytree(module, base, scope, tree, attrs, res);
}
static struct ldb_message_element *rdn_name_find_attribute(const struct ldb_message *msg, const char *name)
{
int i;
for (i = 0; i < msg->num_elements; i++) {
if (ldb_attr_cmp(name, msg->elements[i].name) == 0) {
return &msg->elements[i];
}
}
return NULL;
}
/* add_record: add crateTimestamp/modifyTimestamp attributes */
static int rdn_name_add_record(struct ldb_module *module, const struct ldb_message *msg)
{
struct ldb_message *msg2;
struct ldb_message_element *attribute;
struct ldb_dn_component *rdn;
int i, ret;
ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_add_record\n");
/* do not manipulate our control entries */
if (ldb_dn_is_special(msg->dn)) {
return ldb_next_add_record(module, msg);
}
/* Perhaps someone above us knows better */
if ((attribute = rdn_name_find_attribute(msg, "name")) != NULL ) {
return ldb_next_add_record(module, msg);
}
msg2 = talloc(module, struct ldb_message);
if (!msg2) {
return -1;
}
msg2->dn = msg->dn;
msg2->num_elements = msg->num_elements;
msg2->private_data = msg->private_data;
msg2->elements = talloc_array(msg2, struct ldb_message_element, msg2->num_elements);
for (i = 0; i < msg2->num_elements; i++) {
msg2->elements[i] = msg->elements[i];
}
rdn = ldb_dn_get_rdn(msg2, msg2->dn);
if (!rdn) {
talloc_free(msg2);
return -1;
}
if (ldb_msg_add_value(msg2, "name", &rdn->value) != 0) {
talloc_free(msg2);
return -1;
}
attribute = rdn_name_find_attribute(msg2, rdn->name);
if (!attribute) {
if (ldb_msg_add_value(msg2, rdn->name, &rdn->value) != 0) {
talloc_free(msg2);
return -1;
}
} else {
const struct ldb_attrib_handler *handler
= ldb_attrib_handler(module->ldb, rdn->name);
for (i=0; i < attribute->num_values; i++) {
if (handler->comparison_fn(module->ldb, msg2, &rdn->value, &attribute->values[i]) == 0) {
/* overwrite so it matches in case */
attribute->values[i] = rdn->value;
break;
}
}
if (i == attribute->num_values) {
ldb_debug_set(module->ldb, LDB_DEBUG_FATAL,
"RDN mismatch on %s: %s",
ldb_dn_linearize(msg2, msg2->dn), rdn->name);
talloc_free(msg2);
return -1;
}
}
ret = ldb_next_add_record(module, msg2);
talloc_free(msg2);
return ret;
}
/* modify_record: change modifyTimestamp as well */
static int rdn_name_modify_record(struct ldb_module *module, const struct ldb_message *msg)
{
struct ldb_message *msg2;
struct ldb_message_element *attribute;
struct ldb_dn_component *rdn;
int ret, i;
ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_modify_record\n");
/* do not manipulate our control entries */
if (ldb_dn_is_special(msg->dn)) {
return ldb_next_modify_record(module, msg);
}
/* Perhaps someone above us knows better */
if ((attribute = rdn_name_find_attribute(msg, "name")) != NULL ) {
return ldb_next_modify_record(module, msg);
}
msg2 = talloc(module, struct ldb_message);
if (!msg2) {
return -1;
}
msg2->dn = msg->dn;
msg2->num_elements = msg->num_elements;
msg2->private_data = msg->private_data;
msg2->elements = talloc_array(msg2, struct ldb_message_element, msg2->num_elements);
for (i = 0; i < msg2->num_elements; i++) {
msg2->elements[i] = msg->elements[i];
}
rdn = ldb_dn_get_rdn(msg2, msg2->dn);
if (!rdn) {
talloc_free(msg2);
return -1;
}
if (ldb_msg_add_value(msg2, "name", &rdn->value) != 0) {
talloc_free(msg2);
return -1;
}
attribute = rdn_name_find_attribute(msg2, "name");
if (!attribute) {
talloc_free(msg2);
return -1;
}
attribute->flags = LDB_FLAG_MOD_REPLACE;
ret = ldb_next_modify_record(module, msg2);
talloc_free(msg2);
return ret;
}
static int rdn_name_rename_record(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn)
{
ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_rename_record\n");
return ldb_next_rename_record(module, olddn, newdn);
}
static const struct ldb_module_ops rdn_name_ops = {
.name = "rdn_name",
.search_bytree = rdn_name_search_bytree,
.add_record = rdn_name_add_record,
.modify_record = rdn_name_modify_record,
.rename_record = rdn_name_rename_record
};
/* the init function */
#ifdef HAVE_DLOPEN_DISABLED
struct ldb_module *init_module(struct ldb_context *ldb, const char *options[])
#else
struct ldb_module *rdn_name_module_init(struct ldb_context *ldb, const char *options[])
#endif
{
struct ldb_module *ctx;
ctx = talloc(ldb, struct ldb_module);
if (!ctx)
return NULL;
ctx->private_data = NULL;
ctx->ldb = ldb;
ctx->prev = ctx->next = NULL;
ctx->ops = &rdn_name_ops;
return ctx;
}
|
