3 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * Copyright (c) 1990 Regents of the University of Michigan.
13 /* The compare request looks like this:
14 * CompareRequest ::= SEQUENCE {
15 * entry DistinguishedName,
18 * value AttributeValue
27 #include <ac/socket.h>
28 #include <ac/string.h>
35 * ldap_compare_ext - perform an ldap extended compare operation. The dn
36 * of the entry to compare to and the attribute and value to compare (in
37 * attr and value) are supplied. The msgid of the response is returned.
40 * struct berval bvalue = { "secret", sizeof("secret")-1 };
41 * rc = ldap_compare( ld, "c=us@cn=bob",
42 * "userPassword", &bvalue,
43 * sctrl, cctrl, &msgid )
49 LDAP_CONST char *attr,
50 struct berval *bvalue,
59 LDAP_LOG ( OPERATION, ENTRY, "ldap_compare\n", 0, 0, 0 );
61 Debug( LDAP_DEBUG_TRACE, "ldap_compare\n", 0, 0, 0 );
65 assert( LDAP_VALID( ld ) );
67 assert( attr != NULL );
68 assert( msgidp != NULL );
70 /* check client controls */
71 rc = ldap_int_client_controls( ld, cctrls );
72 if( rc != LDAP_SUCCESS ) return rc;
74 /* create a message to send */
75 if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
76 return( LDAP_NO_MEMORY );
79 if ( ber_printf( ber, "{it{s{sON}N}", /* '}' */
81 LDAP_REQ_COMPARE, dn, attr, bvalue ) == -1 )
83 ld->ld_errno = LDAP_ENCODING_ERROR;
85 return( ld->ld_errno );
88 /* Put Server Controls */
89 if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
94 if( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
95 ld->ld_errno = LDAP_ENCODING_ERROR;
97 return( ld->ld_errno );
101 if ( ld->ld_cache != NULL ) {
102 if ( ldap_check_cache( ld, LDAP_REQ_COMPARE, ber ) == 0 ) {
104 ld->ld_errno = LDAP_SUCCESS;
105 *msgidp = ld->ld_msgid;
106 return( ld->ld_errno );
108 ldap_add_request_to_cache( ld, LDAP_REQ_COMPARE, ber );
110 #endif /* LDAP_NOCACHE */
112 /* send the message */
113 *msgidp = ldap_send_initial_request( ld, LDAP_REQ_COMPARE, dn, ber );
114 return ( *msgidp < 0 ? ld->ld_errno : LDAP_SUCCESS );
118 * ldap_compare_ext - perform an ldap extended compare operation. The dn
119 * of the entry to compare to and the attribute and value to compare (in
120 * attr and value) are supplied. The msgid of the response is returned.
123 * msgid = ldap_compare( ld, "c=us@cn=bob", "userPassword", "secret" )
129 LDAP_CONST char *attr,
130 LDAP_CONST char *value )
133 struct berval bvalue;
135 assert( value != NULL );
137 bvalue.bv_val = (char *) value;
138 bvalue.bv_len = (value == NULL) ? 0 : strlen( value );
140 return ldap_compare_ext( ld, dn, attr, &bvalue, NULL, NULL, &msgid ) == LDAP_SUCCESS
148 LDAP_CONST char *attr,
149 struct berval *bvalue,
151 LDAPControl **cctrl )
157 rc = ldap_compare_ext( ld, dn, attr, bvalue, sctrl, cctrl, &msgid );
159 if ( rc != LDAP_SUCCESS )
162 if ( ldap_result( ld, msgid, 1, (struct timeval *) NULL, &res ) == -1 )
163 return( ld->ld_errno );
165 return( ldap_result2error( ld, res, 1 ) );
172 LDAP_CONST char *attr,
173 LDAP_CONST char *value )
175 struct berval bvalue;
177 assert( value != NULL );
179 bvalue.bv_val = (char *) value;
180 bvalue.bv_len = (value == NULL) ? 0 : strlen( value );
182 return ldap_compare_ext_s( ld, dn, attr, &bvalue, NULL, NULL );