external/bsd/openldap/dist/servers/slapd/back-meta/delete.c

   1 /* $OpenLDAP: pkg/ldap/servers/slapd/back-meta/delete.c,v 1.37.2.7 2008/02/12 00:25:47 quanah Exp $ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2008 The OpenLDAP Foundation.
   5  * Portions Copyright 2001-2003 Pierangelo Masarati.
   6  * Portions Copyright 1999-2003 Howard Chu.
   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 the 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 the Howard Chu for inclusion
  19  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  20  * Masarati.
  21  */
  22
  23 #include "portable.h"
  24
  25 #include <stdio.h>
  26
  27 #include <ac/string.h>
  28 #include <ac/socket.h>
  29
  30 #include "slap.h"
  31 #include "../back-ldap/back-ldap.h"
  32 #include "back-meta.h"
  33
  34 int
  35 meta_back_delete( Operation *op, SlapReply *rs )
  36 {
  37         metainfo_t      *mi = ( metainfo_t * )op->o_bd->be_private;
  38         metatarget_t    *mt;
  39         metaconn_t      *mc = NULL;
  40         int             candidate = -1;
  41         struct berval   mdn = BER_BVNULL;
  42         dncookie        dc;
  43         int             msgid;
  44         int             do_retry = 1;
  45         LDAPControl     **ctrls = NULL;
  46
  47         mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
  48         if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
  49                 return rs->sr_err;
  50         }
  51
  52         assert( mc->mc_conns[ candidate ].msc_ld != NULL );
  53
  54         /*
  55          * Rewrite the compare dn, if needed
  56          */
  57         mt = mi->mi_targets[ candidate ];
  58         dc.target = mt;
  59         dc.conn = op->o_conn;
  60         dc.rs = rs;
  61         dc.ctx = "deleteDN";
  62
  63         if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
  64                 send_ldap_result( op, rs );
  65                 goto cleanup;
  66         }
  67
  68 retry:;
  69         ctrls = op->o_ctrls;
  70         if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
  71         {
  72                 send_ldap_result( op, rs );
  73                 goto cleanup;
  74         }
  75
  76         rs->sr_err = ldap_delete_ext( mc->mc_conns[ candidate ].msc_ld,
  77                         mdn.bv_val, ctrls, NULL, &msgid );
  78         rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
  79                 mt->mt_timeout[ SLAP_OP_DELETE ], LDAP_BACK_SENDRESULT );
  80         if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) {
  81                 do_retry = 0;
  82                 if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
  83                         /* if the identity changed, there might be need to re-authz */
  84                         (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
  85                         goto retry;
  86                 }
  87         }
  88
  89 cleanup:;
  90         (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
  91
  92         if ( mdn.bv_val != op->o_req_dn.bv_val ) {
  93                 free( mdn.bv_val );
  94                 BER_BVZERO( &mdn );
  95         }
  96
  97         if ( mc ) {
  98                 meta_back_release_conn( mi, mc );
  99         }
 100
 101         return rs->sr_err;
 102 }
 103