git.sur5r.net Git - openldap/blob - servers/slapd/back-meta/modrdn.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2004 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/socket.h>
  28 #include <ac/string.h>
  29
  30 #include "slap.h"
  31 #include "../back-ldap/back-ldap.h"
  32 #include "back-meta.h"
  33
  34 int
  35 meta_back_modrdn( Operation *op, SlapReply *rs )
  36 {
  37         struct metainfo         *li = ( struct metainfo * )op->o_bd->be_private;
  38         struct metaconn         *lc;
  39         int                     rc = 0;
  40         int                     candidate = -1;
  41         struct berval           mdn = BER_BVNULL,
  42                                 mnewSuperior = BER_BVNULL;
  43         dncookie                dc;
  44
  45         lc = meta_back_getconn( op, rs, META_OP_REQUIRE_SINGLE,
  46                         &op->o_req_ndn, &candidate );
  47         if ( !lc ) {
  48                 rc = -1;
  49                 goto cleanup;
  50         }
  51
  52         if ( !meta_back_dobind( lc, op )
  53                         || !meta_back_is_valid( lc, candidate ) ) {
  54                 rs->sr_err = LDAP_OTHER;
  55                 rc = -1;
  56                 goto cleanup;
  57         }
  58
  59         dc.conn = op->o_conn;
  60         dc.rs = rs;
  61
  62         if ( op->oq_modrdn.rs_newSup ) {
  63                 int nsCandidate, version = LDAP_VERSION3;
  64
  65                 nsCandidate = meta_back_select_unique_candidate( li,
  66                                 op->oq_modrdn.rs_nnewSup );
  67
  68                 if ( nsCandidate != candidate ) {
  69                         /*
  70                          * FIXME: one possibility is to delete the entry
  71                          * from one target and add it to the other;
  72                          * unfortunately we'd need write access to both,
  73                          * which is nearly impossible; for administration
  74                          * needs, the rootdn of the metadirectory could
  75                          * be mapped to an administrative account on each
  76                          * target (the binddn?); we'll see.
  77                          */
  78                         /*
  79                          * FIXME: is this the correct return code?
  80                          */
  81                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  82                         rc = -1;
  83                         goto cleanup;
  84                 }
  85
  86                 ldap_set_option( lc->conns[ nsCandidate ].ld,
  87                                 LDAP_OPT_PROTOCOL_VERSION, &version );
  88
  89                 /*
  90                  * Rewrite the new superior, if defined and required
  91                  */
  92                 dc.rwmap = &li->targets[ nsCandidate ]->rwmap;
  93                 dc.ctx = "newSuperiorDN";
  94                 if ( ldap_back_dn_massage( &dc, op->oq_modrdn.rs_newSup, &mnewSuperior ) ) {
  95                         rc = -1;
  96                         goto cleanup;
  97                 }
  98         }
  99
 100         /*
 101          * Rewrite the modrdn dn, if required
 102          */
 103         dc.rwmap = &li->targets[ candidate ]->rwmap;
 104         dc.ctx = "modrDN";
 105         if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
 106                 rc = -1;
 107                 goto cleanup;
 108         }
 109
 110         ldap_rename2_s( lc->conns[ candidate ].ld, mdn.bv_val,
 111                         op->oq_modrdn.rs_newrdn.bv_val,
 112                         mnewSuperior.bv_val,
 113                         op->oq_modrdn.rs_deleteoldrdn );
 114
 115 cleanup:;
 116         if ( mdn.bv_val != op->o_req_dn.bv_val ) {
 117                 free( mdn.bv_val );
 118         }
 119
 120         if ( mnewSuperior.bv_val != NULL
 121                         && mnewSuperior.bv_val != op->oq_modrdn.rs_newSup->bv_val ) {
 122                 free( mnewSuperior.bv_val );
 123         }
 124
 125         if ( rc == 0 ) {
 126                 return meta_back_op_result( lc, op, rs ) == LDAP_SUCCESS
 127                         ? 0 : 1;
 128         } /* else */
 129
 130         send_ldap_result( op, rs );
 131         return rc;
 132
 133 }
 134