1 /* compare.c - mdb backend compare routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2013 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 mdb_compare( Operation *op, SlapReply *rs )
27 struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
29 int manageDSAit = get_manageDSAit( op );
32 mdb_op_info opinfo = {{{0}}}, *moi = &opinfo;
34 rs->sr_err = mdb_opinfo_get(op, mdb, 1, &moi);
39 send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
46 rs->sr_err = mdb_dn2entry( op, rtxn, NULL, &op->o_req_ndn, &e, NULL, 1 );
47 switch( rs->sr_err ) {
52 rs->sr_text = "ldap server busy";
55 rs->sr_err = LDAP_OTHER;
56 rs->sr_text = "internal error";
60 if ( rs->sr_err == MDB_NOTFOUND ) {
62 /* return referral only if "disclose" is granted on the object */
63 if ( ! access_allowed( op, e, slap_schema.si_ad_entry,
64 NULL, ACL_DISCLOSE, NULL ) )
66 rs->sr_err = LDAP_NO_SUCH_OBJECT;
69 rs->sr_matched = ch_strdup( e->e_dn );
70 if ( is_entry_referral( e )) {
71 BerVarray ref = get_entry_referrals( op, e );
72 rs->sr_ref = referral_rewrite( ref, &e->e_name,
73 &op->o_req_dn, LDAP_SCOPE_DEFAULT );
74 ber_bvarray_free( ref );
78 rs->sr_err = LDAP_REFERRAL;
80 mdb_entry_return( op, e );
84 rs->sr_ref = referral_rewrite( default_referral,
85 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
86 rs->sr_err = rs->sr_ref ? LDAP_REFERRAL : LDAP_NO_SUCH_OBJECT;
89 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
90 send_ldap_result( op, rs );
94 if (!manageDSAit && is_entry_referral( e ) ) {
95 /* return referral only if "disclose" is granted on the object */
96 if ( !access_allowed( op, e, slap_schema.si_ad_entry,
97 NULL, ACL_DISCLOSE, NULL ) )
99 rs->sr_err = LDAP_NO_SUCH_OBJECT;
101 /* entry is a referral, don't allow compare */
102 rs->sr_ref = get_entry_referrals( op, e );
103 rs->sr_err = LDAP_REFERRAL;
104 rs->sr_matched = e->e_name.bv_val;
107 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, 0, 0 );
109 send_ldap_result( op, rs );
111 ber_bvarray_free( rs->sr_ref );
113 rs->sr_matched = NULL;
117 rs->sr_err = slap_compare_entry( op, e, op->orc_ava );
120 send_ldap_result( op, rs );
122 switch ( rs->sr_err ) {
123 case LDAP_COMPARE_FALSE:
124 case LDAP_COMPARE_TRUE:
125 rs->sr_err = LDAP_SUCCESS;
130 if ( moi == &opinfo ) {
131 mdb_txn_reset( moi->moi_txn );
132 LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
136 mdb_entry_return( op, e );