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

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2005 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_modify( 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         LDAPMod         **modv = NULL;
  41         LDAPMod         *mods = NULL;
  42         Modifications   *ml;
  43         int             candidate = -1, i;
  44         int             isupdate;
  45         struct berval   mdn = BER_BVNULL;
  46         struct berval   mapped;
  47         dncookie        dc;
  48
  49         lc = meta_back_getconn( op, rs, META_OP_REQUIRE_SINGLE,
  50                         &op->o_req_ndn, &candidate );
  51         if ( !lc ) {
  52                 rc = -1;
  53                 goto cleanup;
  54         }
  55
  56         if ( !meta_back_dobind( lc, op ) ) {
  57                 rs->sr_err = LDAP_UNAVAILABLE;
  58
  59         } else if ( !meta_back_is_valid( lc, candidate ) ) {
  60                 rs->sr_err = LDAP_OTHER;
  61         }
  62
  63         if ( rs->sr_err != LDAP_SUCCESS ) {
  64                 rc = -1;
  65                 goto cleanup;
  66         }
  67
  68         /*
  69          * Rewrite the modify dn, if needed
  70          */
  71         dc.rwmap = &li->targets[ candidate ]->mt_rwmap;
  72         dc.conn = op->o_conn;
  73         dc.rs = rs;
  74         dc.ctx = "modifyDN";
  75
  76         if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
  77                 rc = -1;
  78                 goto cleanup;
  79         }
  80
  81         for ( i = 0, ml = op->orm_modlist; ml; i++ ,ml = ml->sml_next )
  82                 ;
  83
  84         mods = ch_malloc( sizeof( LDAPMod )*i );
  85         if ( mods == NULL ) {
  86                 rs->sr_err = LDAP_NO_MEMORY;
  87                 rc = -1;
  88                 goto cleanup;
  89         }
  90         modv = ( LDAPMod ** )ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) );
  91         if ( modv == NULL ) {
  92                 rs->sr_err = LDAP_NO_MEMORY;
  93                 rc = -1;
  94                 goto cleanup;
  95         }
  96
  97         dc.ctx = "modifyAttrDN";
  98         isupdate = be_shadow_update( op );
  99         for ( i = 0, ml = op->orm_modlist; ml; ml = ml->sml_next ) {
 100                 int     j, is_oc = 0;
 101
 102                 if ( !isupdate && ml->sml_desc->ad_type->sat_no_user_mod  ) {
 103                         continue;
 104                 }
 105
 106                 if ( ml->sml_desc == slap_schema.si_ad_objectClass
 107                                 || ml->sml_desc == slap_schema.si_ad_structuralObjectClass )
 108                 {
 109                         is_oc = 1;
 110                         mapped = ml->sml_desc->ad_cname;
 111
 112                 } else {
 113                         ldap_back_map( &li->targets[ candidate ]->mt_rwmap.rwm_at,
 114                                         &ml->sml_desc->ad_cname, &mapped,
 115                                         BACKLDAP_MAP );
 116                         if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
 117                                 continue;
 118                         }
 119                 }
 120
 121                 modv[ i ] = &mods[ i ];
 122                 mods[ i ].mod_op = ml->sml_op | LDAP_MOD_BVALUES;
 123                 mods[ i ].mod_type = mapped.bv_val;
 124
 125                 /*
 126                  * FIXME: dn-valued attrs should be rewritten
 127                  * to allow their use in ACLs at the back-ldap
 128                  * level.
 129                  */
 130                 if ( ml->sml_values != NULL ) {
 131                         if ( is_oc ) {
 132                                 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
 133                                         ;
 134                                 mods[ i ].mod_bvalues =
 135                                         (struct berval **)ch_malloc( ( j + 1 ) *
 136                                         sizeof( struct berval * ) );
 137                                 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); ) {
 138                                         struct ldapmapping      *mapping;
 139
 140                                         ldap_back_mapping( &li->targets[ candidate ]->mt_rwmap.rwm_oc,
 141                                                         &ml->sml_values[ j ], &mapping, BACKLDAP_MAP );
 142
 143                                         if ( mapping == NULL ) {
 144                                                 if ( li->targets[ candidate ]->mt_rwmap.rwm_oc.drop_missing ) {
 145                                                         continue;
 146                                                 }
 147                                                 mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ];
 148
 149                                         } else {
 150                                                 mods[ i ].mod_bvalues[ j ] = &mapping->dst;
 151                                         }
 152                                         j++;
 153                                 }
 154                                 mods[ i ].mod_bvalues[ j ] = NULL;
 155
 156                         } else {
 157                                 if ( ml->sml_desc->ad_type->sat_syntax ==
 158                                                 slap_schema.si_syn_distinguishedName )
 159                                 {
 160                                         ( void )ldap_dnattr_rewrite( &dc, ml->sml_values );
 161                                         if ( ml->sml_values == NULL ) {
 162                                                 continue;
 163                                         }
 164                                 }
 165
 166                                 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
 167                                         ;
 168                                 mods[ i ].mod_bvalues =
 169                                         (struct berval **)ch_malloc( ( j + 1 ) *
 170                                         sizeof( struct berval * ) );
 171                                 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) {
 172                                         mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ];
 173                                 }
 174                                 mods[ i ].mod_bvalues[ j ] = NULL;
 175                         }
 176
 177                 } else {
 178                         mods[ i ].mod_bvalues = NULL;
 179                 }
 180
 181                 i++;
 182         }
 183         modv[ i ] = 0;
 184
 185         rs->sr_err = ldap_modify_ext_s( lc->mc_conns[ candidate ].msc_ld, mdn.bv_val,
 186                         modv, NULL, NULL );
 187
 188 cleanup:;
 189         if ( mdn.bv_val != op->o_req_dn.bv_val ) {
 190                 free( mdn.bv_val );
 191                 BER_BVZERO( &mdn );
 192         }
 193         if ( modv != NULL ) {
 194                 for ( i = 0; modv[ i ]; i++ ) {
 195                         free( modv[ i ]->mod_bvalues );
 196                 }
 197         }
 198         free( mods );
 199         free( modv );
 200
 201         if ( rc != -1 ) {
 202                 return meta_back_op_result( lc, op, rs );
 203         }
 204
 205         send_ldap_result( op, rs );
 206
 207         return rs->sr_err;
 208 }
 209