1 /* compare.c - bdb backend compare routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2004 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;
31 int manageDSAit = get_manageDSAit( op );
36 rs->sr_err = LOCK_ID(bdb->bi_dbenv, &locker);
41 send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
47 rs->sr_err = bdb_dn2entry( op, NULL, &op->o_req_ndn, &ei, 1, locker, &lock );
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 rs->sr_matched = ch_strdup( e->e_dn );
69 rs->sr_ref = is_entry_referral( e )
70 ? get_entry_referrals( op, e )
72 bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
76 rs->sr_ref = referral_rewrite( default_referral,
77 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
80 rs->sr_err = LDAP_REFERRAL;
81 send_ldap_result( op, rs );
83 ber_bvarray_free( rs->sr_ref );
84 free( (char *)rs->sr_matched );
86 rs->sr_matched = NULL;
91 if (!manageDSAit && is_entry_referral( e ) ) {
92 /* entry is a referral, don't allow add */
93 rs->sr_ref = get_entry_referrals( op, e );
95 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
98 rs->sr_err = LDAP_REFERRAL;
99 rs->sr_matched = e->e_name.bv_val;
100 send_ldap_result( op, rs );
102 ber_bvarray_free( rs->sr_ref );
104 rs->sr_matched = NULL;
108 if ( get_assert( op ) &&
109 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
111 rs->sr_err = LDAP_ASSERTION_FAILED;
115 rs->sr_err = access_allowed( op, e, op->oq_compare.rs_ava->aa_desc,
116 &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL );
117 if ( ! rs->sr_err ) {
118 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
122 rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
124 for(a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
126 a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ))
128 rs->sr_err = LDAP_COMPARE_FALSE;
130 if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
131 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
132 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
133 a->a_nvals, &op->oq_compare.rs_ava->aa_value, op->o_tmpmemctx ) == 0 )
135 rs->sr_err = LDAP_COMPARE_TRUE;
141 send_ldap_result( op, rs );
143 if( rs->sr_err == LDAP_COMPARE_FALSE || rs->sr_err == LDAP_COMPARE_TRUE ) {
144 rs->sr_err = LDAP_SUCCESS;
150 bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
153 LOCK_ID_FREE ( bdb->bi_dbenv, locker );