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                 Backend         *be,
  38                 Connection      *conn,
  39                 Operation       *op,
  40                 struct berval   *dn,
  41                 struct berval   *ndn,
  42                 struct berval   *newrdn,
  43                 struct berval   *nnewrdn,
  44                 int             deleteoldrdn,
  45                 struct berval   *newSuperior,
  46                 struct berval   *nnewSuperior
  47 ) */
  48 {
  49         struct metainfo         *li = ( struct metainfo * )op->o_bd->be_private;
  50         struct metaconn         *lc;
  51         int                     rc = 0;
  52         int                     candidate = -1;
  53         struct berval           mdn = BER_BVNULL,
  54                                 mnewSuperior = BER_BVNULL;
  55         dncookie                dc;
  56
  57         lc = meta_back_getconn( op, rs, META_OP_REQUIRE_SINGLE,
  58                         &op->o_req_ndn, &candidate );
  59         if ( !lc ) {
  60                 rc = -1;
  61                 goto cleanup;
  62         }
  63
  64         if ( !meta_back_dobind( lc, op )
  65                         || !meta_back_is_valid( lc, candidate ) ) {
  66                 rs->sr_err = LDAP_OTHER;
  67                 rc = -1;
  68                 goto cleanup;
  69         }
  70
  71         dc.conn = op->o_conn;
  72         dc.rs = rs;
  73
  74         if ( op->oq_modrdn.rs_newSup ) {
  75                 int nsCandidate, version = LDAP_VERSION3;
  76
  77                 nsCandidate = meta_back_select_unique_candidate( li,
  78                                 op->oq_modrdn.rs_nnewSup );
  79
  80                 if ( nsCandidate != candidate ) {
  81                         /*
  82                          * FIXME: one possibility is to delete the entry
  83                          * from one target and add it to the other;
  84                          * unfortunately we'd need write access to both,
  85                          * which is nearly impossible; for administration
  86                          * needs, the rootdn of the metadirectory could
  87                          * be mapped to an administrative account on each
  88                          * target (the binddn?); we'll see.
  89                          */
  90                         /*
  91                          * FIXME: is this the correct return code?
  92                          */
  93                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  94                         rc = -1;
  95                         goto cleanup;
  96                 }
  97
  98                 ldap_set_option( lc->conns[ nsCandidate ].ld,
  99                                 LDAP_OPT_PROTOCOL_VERSION, &version );
 100
 101                 /*
 102                  * Rewrite the new superior, if defined and required
 103                  */
 104                 dc.rwmap = &li->targets[ nsCandidate ]->rwmap;
 105                 dc.ctx = "newSuperiorDN";
 106                 if ( ldap_back_dn_massage( &dc, op->oq_modrdn.rs_newSup, &mnewSuperior ) ) {
 107                         rc = -1;
 108                         goto cleanup;
 109                 }
 110         }
 111
 112         /*
 113          * Rewrite the modrdn dn, if required
 114          */
 115         dc.rwmap = &li->targets[ candidate ]->rwmap;
 116         dc.ctx = "modrDN";
 117         if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
 118                 rc = -1;
 119                 goto cleanup;
 120         }
 121
 122         ldap_rename2_s( lc->conns[ candidate ].ld, mdn.bv_val,
 123                         op->oq_modrdn.rs_newrdn.bv_val,
 124                         mnewSuperior.bv_val,
 125                         op->oq_modrdn.rs_deleteoldrdn );
 126
 127 cleanup:;
 128         if ( mdn.bv_val != op->o_req_dn.bv_val ) {
 129                 free( mdn.bv_val );
 130         }
 131
 132         if ( mnewSuperior.bv_val != NULL
 133                         && mnewSuperior.bv_val != op->oq_modrdn.rs_newSup->bv_val ) {
 134                 free( mnewSuperior.bv_val );
 135         }
 136
 137         if ( rc == 0 ) {
 138                 return meta_back_op_result( lc, op, rs ) == LDAP_SUCCESS
 139                         ? 0 : 1;
 140         } /* else */
 141
 142         send_ldap_result( op, rs );
 143         return rc;
 144
 145 }
 146