git.sur5r.net Git - openldap/blob - servers/slapd/back-monitor/compare.c

   1 /* compare.c - monitor backend compare routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2004 The OpenLDAP Foundation.
   6  * Portions Copyright 2001-2003 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Pierangelo Masarati for inclusion
  19  * in OpenLDAP Software.
  20  */
  21
  22 #include "portable.h"
  23
  24 #include <stdio.h>
  25
  26 #include <slap.h>
  27 #include "back-monitor.h"
  28
  29 int
  30 monitor_back_compare( struct slap_op *op, struct slap_rep *rs)
  31 {
  32         struct monitorinfo      *mi =
  33                 (struct monitorinfo *) op->o_bd->be_private;
  34         Entry           *e, *matched = NULL;
  35         Attribute       *a;
  36
  37         /* get entry with reader lock */
  38         monitor_cache_dn2entry( op, &op->o_req_ndn, &e, &matched );
  39         if ( e == NULL ) {
  40                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
  41                 if ( matched ) {
  42                         rs->sr_matched = matched->e_dn;
  43                 }
  44                 send_ldap_result( op, rs );
  45                 if ( matched ) {
  46                         monitor_cache_release( mi, matched );
  47                         rs->sr_matched = NULL;
  48                 }
  49
  50                 return( 0 );
  51         }
  52
  53         rs->sr_err = access_allowed( op, e, op->oq_compare.rs_ava->aa_desc,
  54                         &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL );
  55         if ( !rs->sr_err ) {
  56                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
  57                 goto return_results;
  58         }
  59
  60         rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
  61
  62         for ( a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
  63                         a != NULL;
  64                         a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc )) {
  65                 rs->sr_err = LDAP_COMPARE_FALSE;
  66
  67                 if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
  68                         SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
  69                                 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
  70                         a->a_nvals, &op->oq_compare.rs_ava->aa_value,
  71                         op->o_tmpmemctx ) == 0 )
  72                 {
  73                         rs->sr_err = LDAP_COMPARE_TRUE;
  74                         break;
  75                 }
  76         }
  77
  78 return_results:;
  79         send_ldap_result( op, rs );
  80         if ( rs->sr_err == LDAP_COMPARE_FALSE
  81                         || rs->sr_err == LDAP_COMPARE_TRUE ) {
  82                 rs->sr_err = LDAP_SUCCESS;
  83         }
  84
  85         monitor_cache_release( mi, e );
  86
  87         return( rs->sr_err );
  88 }
  89