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

   1 /* modrdn.c - ldap backend modrdn function */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1999-2007 The OpenLDAP Foundation.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * Portions Copyright 2000-2003 Pierangelo Masarati.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18 /* ACKNOWLEDGEMENTS:
  19  * This work was initially developed by the Howard Chu for inclusion
  20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  21  * Masarati.
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/socket.h>
  29 #include <ac/string.h>
  30
  31 #include "slap.h"
  32 #include "back-ldap.h"
  33
  34 int
  35 ldap_back_modrdn(
  36                 Operation       *op,
  37                 SlapReply       *rs )
  38 {
  39         ldapinfo_t              *li = (ldapinfo_t *)op->o_bd->be_private;
  40
  41         ldapconn_t              *lc = NULL;
  42         ber_int_t               msgid;
  43         LDAPControl             **ctrls = NULL;
  44         ldap_back_send_t        retrying = LDAP_BACK_RETRYING;
  45         int                     rc = LDAP_SUCCESS;
  46         char                    *newSup = NULL;
  47
  48         if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
  49                 return rs->sr_err;
  50         }
  51
  52         if ( op->orr_newSup ) {
  53                 /* needs LDAPv3 */
  54                 switch ( li->li_version ) {
  55                 case LDAP_VERSION3:
  56                         break;
  57
  58                 case 0:
  59                         if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
  60                                 break;
  61                         }
  62                         /* fall thru */
  63
  64                 default:
  65                         /* op->o_protocol cannot be anything but LDAPv3,
  66                          * otherwise wouldn't be here */
  67                         rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
  68                         send_ldap_result( op, rs );
  69                         goto cleanup;
  70                 }
  71
  72                 newSup = op->orr_newSup->bv_val;
  73         }
  74
  75 retry:
  76         ctrls = op->o_ctrls;
  77         rc = ldap_back_proxy_authz_ctrl( &lc->lc_bound_ndn,
  78                 li->li_version, &li->li_idassert, op, rs, &ctrls );
  79         if ( rc != LDAP_SUCCESS ) {
  80                 send_ldap_result( op, rs );
  81                 rc = -1;
  82                 goto cleanup;
  83         }
  84
  85         rs->sr_err = ldap_rename( lc->lc_ld, op->o_req_dn.bv_val,
  86                         op->orr_newrdn.bv_val, newSup,
  87                         op->orr_deleteoldrdn, ctrls, NULL, &msgid );
  88         rc = ldap_back_op_result( lc, op, rs, msgid,
  89                 li->li_timeout[ SLAP_OP_MODRDN ],
  90                 ( LDAP_BACK_SENDRESULT | retrying ) );
  91         if ( rs->sr_err == LDAP_SERVER_DOWN && retrying ) {
  92                 retrying &= ~LDAP_BACK_RETRYING;
  93                 if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
  94                         /* if the identity changed, there might be need to re-authz */
  95                         (void)ldap_back_proxy_authz_ctrl_free( op, &ctrls );
  96                         goto retry;
  97                 }
  98         }
  99
 100 cleanup:
 101         (void)ldap_back_proxy_authz_ctrl_free( op, &ctrls );
 102
 103         if ( lc != NULL ) {
 104                 ldap_back_release_conn( li, lc );
 105         }
 106
 107         return rc;
 108 }
 109