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
|
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2024 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* Portions Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include "ldap-int.h"
#include "ldap_log.h"
/* The compare request looks like this:
* CompareRequest ::= SEQUENCE {
* entry DistinguishedName,
* ava SEQUENCE {
* type AttributeType,
* value AttributeValue
* }
* }
*/
BerElement *
ldap_build_compare_req(
LDAP *ld,
LDAP_CONST char *dn,
LDAP_CONST char *attr,
struct berval *bvalue,
LDAPControl **sctrls,
LDAPControl **cctrls,
int *msgidp )
{
BerElement *ber;
int rc;
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
return( NULL );
}
LDAP_NEXT_MSGID(ld, *msgidp);
rc = ber_printf( ber, "{it{s{sON}N}", /* '}' */
*msgidp,
LDAP_REQ_COMPARE, dn, attr, bvalue );
if ( rc == -1 )
{
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return( NULL );
}
if( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
return( ber );
}
/*
* ldap_compare_ext - perform an ldap extended compare operation. The dn
* of the entry to compare to and the attribute and value to compare (in
* attr and value) are supplied. The msgid of the response is returned.
*
* Example:
* struct berval bvalue = { "secret", sizeof("secret")-1 };
* rc = ldap_compare( ld, "c=us@cn=bob",
* "userPassword", &bvalue,
* sctrl, cctrl, &msgid )
*/
int
ldap_compare_ext(
LDAP *ld,
LDAP_CONST char *dn,
LDAP_CONST char *attr,
struct berval *bvalue,
LDAPControl **sctrls,
LDAPControl **cctrls,
int *msgidp )
{
int rc;
BerElement *ber;
ber_int_t id;
Debug0( LDAP_DEBUG_TRACE, "ldap_compare\n" );
assert( ld != NULL );
assert( LDAP_VALID( ld ) );
assert( dn != NULL );
assert( attr != NULL );
assert( msgidp != NULL );
/* check client controls */
rc = ldap_int_client_controls( ld, cctrls );
if( rc != LDAP_SUCCESS ) return rc;
ber = ldap_build_compare_req(
ld, dn, attr, bvalue, sctrls, cctrls, &id );
if( !ber )
return ld->ld_errno;
/* send the message */
*msgidp = ldap_send_initial_request( ld, LDAP_REQ_COMPARE, dn, ber, id );
return ( *msgidp < 0 ? ld->ld_errno : LDAP_SUCCESS );
}
/*
* ldap_compare_ext - perform an ldap extended compare operation. The dn
* of the entry to compare to and the attribute and value to compare (in
* attr and value) are supplied. The msgid of the response is returned.
*
* Example:
* msgid = ldap_compare( ld, "c=us@cn=bob", "userPassword", "secret" )
*/
int
ldap_compare(
LDAP *ld,
LDAP_CONST char *dn,
LDAP_CONST char *attr,
LDAP_CONST char *value )
{
int msgid;
struct berval bvalue;
assert( value != NULL );
bvalue.bv_val = (char *) value;
bvalue.bv_len = (value == NULL) ? 0 : strlen( value );
return ldap_compare_ext( ld, dn, attr, &bvalue, NULL, NULL, &msgid ) == LDAP_SUCCESS
? msgid : -1;
}
int
ldap_compare_ext_s(
LDAP *ld,
LDAP_CONST char *dn,
LDAP_CONST char *attr,
struct berval *bvalue,
LDAPControl **sctrl,
LDAPControl **cctrl )
{
int rc;
int msgid;
LDAPMessage *res;
rc = ldap_compare_ext( ld, dn, attr, bvalue, sctrl, cctrl, &msgid );
if ( rc != LDAP_SUCCESS )
return( rc );
if ( ldap_result( ld, msgid, LDAP_MSG_ALL, (struct timeval *) NULL, &res ) == -1 || !res )
return( ld->ld_errno );
return( ldap_result2error( ld, res, 1 ) );
}
int
ldap_compare_s(
LDAP *ld,
LDAP_CONST char *dn,
LDAP_CONST char *attr,
LDAP_CONST char *value )
{
struct berval bvalue;
assert( value != NULL );
bvalue.bv_val = (char *) value;
bvalue.bv_len = (value == NULL) ? 0 : strlen( value );
return ldap_compare_ext_s( ld, dn, attr, &bvalue, NULL, NULL );
}
|
