1 /* compare.c - bdb backend compare routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2011 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
20 #include <ac/string.h>
25 bdb_compare( Operation *op, SlapReply *rs )
27 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
30 int manageDSAit = get_manageDSAit( op );
35 rs->sr_err = bdb_reader_get(op, bdb->bi_dbenv, &rtxn);
40 send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
46 rs->sr_err = bdb_dn2entry( op, rtxn, &op->o_req_ndn, &ei, 1,
49 switch( rs->sr_err ) {
54 rs->sr_text = "ldap server busy";
56 case DB_LOCK_DEADLOCK:
57 case DB_LOCK_NOTGRANTED:
60 rs->sr_err = LDAP_OTHER;
61 rs->sr_text = "internal error";
66 if ( rs->sr_err == DB_NOTFOUND ) {
68 /* return referral only if "disclose" is granted on the object */
69 if ( ! access_allowed( op, e, slap_schema.si_ad_entry,
70 NULL, ACL_DISCLOSE, NULL ) )
72 rs->sr_err = LDAP_NO_SUCH_OBJECT;
75 rs->sr_matched = ch_strdup( e->e_dn );
76 rs->sr_ref = is_entry_referral( e )
77 ? get_entry_referrals( op, e )
79 rs->sr_err = LDAP_REFERRAL;
82 bdb_cache_return_entry_r( bdb, e, &lock );
86 rs->sr_ref = referral_rewrite( default_referral,
87 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
88 rs->sr_err = rs->sr_ref ? LDAP_REFERRAL : LDAP_NO_SUCH_OBJECT;
91 send_ldap_result( op, rs );
93 ber_bvarray_free( rs->sr_ref );
94 free( (char *)rs->sr_matched );
96 rs->sr_matched = NULL;
101 if (!manageDSAit && is_entry_referral( e ) ) {
102 /* return referral only if "disclose" is granted on the object */
103 if ( !access_allowed( op, e, slap_schema.si_ad_entry,
104 NULL, ACL_DISCLOSE, NULL ) )
106 rs->sr_err = LDAP_NO_SUCH_OBJECT;
108 /* entry is a referral, don't allow compare */
109 rs->sr_ref = get_entry_referrals( op, e );
110 rs->sr_err = LDAP_REFERRAL;
111 rs->sr_matched = e->e_name.bv_val;
114 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, 0, 0 );
116 send_ldap_result( op, rs );
118 ber_bvarray_free( rs->sr_ref );
120 rs->sr_matched = NULL;
124 rs->sr_err = slap_compare_entry( op, e, op->orc_ava );
127 send_ldap_result( op, rs );
129 switch ( rs->sr_err ) {
130 case LDAP_COMPARE_FALSE:
131 case LDAP_COMPARE_TRUE:
132 rs->sr_err = LDAP_SUCCESS;
139 bdb_cache_return_entry_r( bdb, e, &lock );