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

   1 /* modrdn.c - ldap backend modrdn function */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7 /* This is an altered version */
   8 /*
   9  * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
  10  *
  11  * Permission is granted to anyone to use this software for any purpose
  12  * on any computer system, and to alter it and redistribute it, subject
  13  * to the following restrictions:
  14  *
  15  * 1. The author is not responsible for the consequences of use of this
  16  *    software, no matter how awful, even if they arise from flaws in it.
  17  *
  18  * 2. The origin of this software must not be misrepresented, either by
  19  *    explicit claim or by omission.  Since few users ever read sources,
  20  *    credits should appear in the documentation.
  21  *
  22  * 3. Altered versions must be plainly marked as such, and must not be
  23  *    misrepresented as being the original software.  Since few users
  24  *    ever read sources, credits should appear in the documentation.
  25  *
  26  * 4. This notice may not be removed or altered.
  27  *
  28  *
  29  *
  30  * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
  31  *
  32  * This software is being modified by Pierangelo Masarati.
  33  * The previously reported conditions apply to the modified code as well.
  34  * Changes in the original code are highlighted where required.
  35  * Credits for the original code go to the author, Howard Chu.
  36  */
  37
  38 #include "portable.h"
  39
  40 #include <stdio.h>
  41
  42 #include <ac/socket.h>
  43 #include <ac/string.h>
  44
  45 #include "slap.h"
  46 #include "back-ldap.h"
  47
  48 int
  49 ldap_back_modrdn(
  50     Backend     *be,
  51     Connection  *conn,
  52     Operation   *op,
  53     struct berval       *dn,
  54     struct berval       *ndn,
  55     struct berval       *newrdn,
  56     struct berval       *nnewrdn,
  57     int         deleteoldrdn,
  58     struct berval       *newSuperior,
  59     struct berval       *nnewSuperior
  60 )
  61 {
  62         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
  63         struct ldapconn *lc;
  64
  65         char *mdn = NULL, *mnewSuperior = NULL;
  66
  67         lc = ldap_back_getconn( li, conn, op );
  68         if ( !lc || !ldap_back_dobind(lc, op) ) {
  69                 return( -1 );
  70         }
  71
  72         if (newSuperior) {
  73                 int version = LDAP_VERSION3;
  74                 ldap_set_option( lc->ld, LDAP_OPT_PROTOCOL_VERSION, &version);
  75
  76                 /*
  77                  * Rewrite the new superior, if defined and required
  78                  */
  79 #ifdef ENABLE_REWRITE
  80                 switch ( rewrite_session( li->rwinfo, "newSuperiorDn",
  81                                         newSuperior->bv_val, conn, &mnewSuperior ) ) {
  82                 case REWRITE_REGEXEC_OK:
  83                         if ( mnewSuperior == NULL ) {
  84                                 mnewSuperior = ( char * )newSuperior;
  85                         }
  86 #ifdef NEW_LOGGING
  87                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
  88                                         "[rw] newSuperiorDn:"
  89                                         " \"%s\" -> \"%s\"\n",
  90                                         newSuperior, mnewSuperior ));
  91 #else /* !NEW_LOGGING */
  92                         Debug( LDAP_DEBUG_ARGS, "rw> newSuperiorDn:"
  93                                         " \"%s\" -> \"%s\"\n%s",
  94                                         newSuperior->bv_val, mnewSuperior, "" );
  95 #endif /* !NEW_LOGGING */
  96                         break;
  97
  98                 case REWRITE_REGEXEC_UNWILLING:
  99                         send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
 100                                         NULL, "Unwilling to perform",
 101                                         NULL, NULL );
 102                         return( -1 );
 103
 104                 case REWRITE_REGEXEC_ERR:
 105                         send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 106                                         NULL, "Operations error",
 107                                         NULL, NULL );
 108                         return( -1 );
 109                 }
 110 #else /* !ENABLE_REWRITE */
 111                 mnewSuperior = ldap_back_dn_massage( li,
 112                                 ch_strdup( newSuperior->bv_val ), 0 );
 113                 if ( mnewSuperior == NULL ) {
 114                         return( -1 );
 115                 }
 116 #endif /* !ENABLE_REWRITE */
 117         }
 118
 119 #ifdef ENABLE_REWRITE
 120         /*
 121          * Rewrite the modrdn dn, if required
 122          */
 123         switch ( rewrite_session( li->rwinfo, "modrDn", dn->bv_val, conn, &mdn ) ) {
 124         case REWRITE_REGEXEC_OK:
 125                 if ( mdn == NULL ) {
 126                         mdn = ( char * )dn->bv_val;
 127                 }
 128 #ifdef NEW_LOGGING
 129                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 130                                 "[rw] modrDn: \"%s\" -> \"%s\"\n", dn->bv_val, mdn ));
 131 #else /* !NEW_LOGGING */
 132                 Debug( LDAP_DEBUG_ARGS, "rw> modrDn: \"%s\" -> \"%s\"\n%s",
 133                                 dn->bv_val, mdn, "" );
 134 #endif /* !NEW_LOGGING */
 135                 break;
 136
 137         case REWRITE_REGEXEC_UNWILLING:
 138                 send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
 139                                 NULL, "Unwilling to perform", NULL, NULL );
 140                 return( -1 );
 141
 142         case REWRITE_REGEXEC_ERR:
 143                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 144                                 NULL, "Operations error", NULL, NULL );
 145                 return( -1 );
 146         }
 147 #else /* !ENABLE_REWRITE */
 148         mdn = ldap_back_dn_massage( li, ch_strdup( dn->bv_val ), 0 );
 149 #endif /* !ENABLE_REWRITE */
 150
 151         ldap_rename2_s( lc->ld, mdn, newrdn->bv_val, mnewSuperior, deleteoldrdn );
 152
 153 #ifdef ENABLE_REWRITE
 154         if ( mdn != dn->bv_val ) {
 155 #endif /* ENABLE_REWRITE */
 156         free( mdn );
 157 #ifdef ENABLE_REWRITE
 158         }
 159 #endif /* ENABLE_REWRITE */
 160         if ( mnewSuperior != NULL
 161 #ifdef ENABLE_REWRITE
 162                         && mnewSuperior != newSuperior->bv_val
 163 #endif /* ENABLE_REWRITE */
 164            ) {
 165                 free( mnewSuperior );
 166         }
 167
 168         return( ldap_back_op_result( lc, op ) );
 169 }