1 /* compare.c - ldbm backend compare routine */
4 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/socket.h>
13 #include <ac/string.h>
16 #include "back-ldbm.h"
17 #include "proto-back-ldbm.h"
24 struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
28 int manageDSAit = get_manageDSAit( op );
30 /* grab giant lock for reading */
31 ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
33 /* get entry with reader lock */
34 if ( (e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched )) == NULL ) {
35 if ( matched != NULL ) {
36 rs->sr_matched = ch_strdup( matched->e_dn );
37 rs->sr_ref = is_entry_referral( matched )
38 ? get_entry_referrals( op, matched )
40 cache_return_entry_r( &li->li_cache, matched );
42 rs->sr_ref = referral_rewrite( default_referral,
43 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
46 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
48 rs->sr_err = LDAP_REFERRAL;
49 send_ldap_result( op, rs );
51 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
52 free( (char *)rs->sr_matched );
57 if (!manageDSAit && is_entry_referral( e ) ) {
58 /* entry is a referral, don't allow add */
59 rs->sr_ref = get_entry_referrals( op, e );
62 LDAP_LOG( BACK_LDBM, INFO,
63 "ldbm_back_compare: entry (%s) is a referral.\n", e->e_dn, 0, 0 );
65 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
70 rs->sr_err = LDAP_REFERRAL;
71 rs->sr_matched = e->e_name.bv_val;
72 send_ldap_result( op, rs );
74 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
80 if ( ! access_allowed( op, e,
81 op->oq_compare.rs_ava->aa_desc, &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL ) )
83 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
89 rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
91 for(a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
93 a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ))
95 rs->sr_err = LDAP_COMPARE_FALSE;
98 if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
99 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
100 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
101 a->a_nvals, &op->oq_compare.rs_ava->aa_value ) == 0 )
103 if ( value_find( op->oq_compare.rs_ava->aa_desc, a->a_vals, &op->oq_compare.rs_ava->aa_value ) == 0 )
106 rs->sr_err = LDAP_COMPARE_TRUE;
111 send_ldap_result( op, rs );
113 if( rs->sr_err != LDAP_NO_SUCH_ATTRIBUTE ) {
119 cache_return_entry_r( &li->li_cache, e );
120 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
121 return( rs->sr_err );