1 /* compare.c - bdb backend compare routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2006 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,
50 switch( rs->sr_err ) {
55 rs->sr_text = "ldap server busy";
57 case DB_LOCK_DEADLOCK:
58 case DB_LOCK_NOTGRANTED:
61 rs->sr_err = LDAP_OTHER;
62 rs->sr_text = "internal error";
67 if ( rs->sr_err == DB_NOTFOUND ) {
69 #ifdef SLAP_ACL_HONOR_DISCLOSE
70 /* return referral only if "disclose" is granted on the object */
71 if ( ! access_allowed( op, e, slap_schema.si_ad_entry,
72 NULL, ACL_DISCLOSE, NULL ) )
74 rs->sr_err = LDAP_NO_SUCH_OBJECT;
77 #endif /* SLAP_ACL_HONOR_DISCLOSE */
79 rs->sr_matched = ch_strdup( e->e_dn );
80 rs->sr_ref = is_entry_referral( e )
81 ? get_entry_referrals( op, e )
83 rs->sr_err = LDAP_REFERRAL;
86 bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
90 rs->sr_ref = referral_rewrite( default_referral,
91 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
92 rs->sr_err = rs->sr_ref ? LDAP_REFERRAL : LDAP_NO_SUCH_OBJECT;
95 send_ldap_result( op, rs );
97 ber_bvarray_free( rs->sr_ref );
98 free( (char *)rs->sr_matched );
100 rs->sr_matched = NULL;
105 if (!manageDSAit && is_entry_referral( e ) ) {
106 #ifdef SLAP_ACL_HONOR_DISCLOSE
107 /* return referral only if "disclose" is granted on the object */
108 if ( !access_allowed( op, e, slap_schema.si_ad_entry,
109 NULL, ACL_DISCLOSE, NULL ) )
111 rs->sr_err = LDAP_NO_SUCH_OBJECT;
113 #endif /* SLAP_ACL_HONOR_DISCLOSE */
115 /* entry is a referral, don't allow compare */
116 rs->sr_ref = get_entry_referrals( op, e );
117 rs->sr_err = LDAP_REFERRAL;
118 rs->sr_matched = e->e_name.bv_val;
121 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, 0, 0 );
123 send_ldap_result( op, rs );
125 ber_bvarray_free( rs->sr_ref );
127 rs->sr_matched = NULL;
131 if ( get_assert( op ) &&
132 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
134 #ifdef SLAP_ACL_HONOR_DISCLOSE
135 if ( !access_allowed( op, e, slap_schema.si_ad_entry,
136 NULL, ACL_DISCLOSE, NULL ) )
138 rs->sr_err = LDAP_NO_SUCH_OBJECT;
140 #endif /* SLAP_ACL_HONOR_DISCLOSE */
142 rs->sr_err = LDAP_ASSERTION_FAILED;
147 if ( !access_allowed( op, e, op->oq_compare.rs_ava->aa_desc,
148 &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL ) )
150 #ifdef SLAP_ACL_HONOR_DISCLOSE
151 /* return error only if "disclose"
152 * is granted on the object */
153 if ( !access_allowed( op, e, slap_schema.si_ad_entry,
154 NULL, ACL_DISCLOSE, NULL ) )
156 rs->sr_err = LDAP_NO_SUCH_OBJECT;
158 #endif /* SLAP_ACL_HONOR_DISCLOSE */
160 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
165 rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
167 for ( a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
169 a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ) )
171 rs->sr_err = LDAP_COMPARE_FALSE;
173 if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
174 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
175 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
176 a->a_nvals, &op->oq_compare.rs_ava->aa_value,
177 op->o_tmpmemctx ) == 0 )
179 rs->sr_err = LDAP_COMPARE_TRUE;
185 send_ldap_result( op, rs );
187 switch ( rs->sr_err ) {
188 case LDAP_COMPARE_FALSE:
189 case LDAP_COMPARE_TRUE:
190 rs->sr_err = LDAP_SUCCESS;
197 bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache,
201 LOCK_ID_FREE ( bdb->bi_dbenv, locker );