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[openldap] / servers / slapd / overlays / rwm.c
index 09b37302882b7aa644ba26c1d8ae89175ac45c51..85d73d2ad07e030d694d63944a1913689a5f2595 100644 (file)
@@ -1,33 +1,28 @@
 /* rwm.c - rewrite/remap operations */
-/*
- * Copyright 2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-/*
- * Copyright 2003, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
- * 
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
- * 
- * 1. The author is not responsible for the consequences of use of this
- *    software, no matter how awful, even if they arise from flaws in it.
- * 
- * 2. The origin of this software must not be misrepresented, either by
- *    explicit claim or by omission.  Since few users ever read sources,
- *    credits should appear in the documentation.
- * 
- * 3. Altered versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.  Since few users
- *    ever read sources, credits should appear in the documentation.
- * 
- * 4. This notice may not be removed or altered.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2003-2005 The OpenLDAP Foundation.
+ * Portions Copyright 2003 Pierangelo Masarati.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
  */
 
 #include "portable.h"
 
+#ifdef SLAPD_OVER_RWM
+
 #include <stdio.h>
 
+#include <ac/string.h>
+
 #include "slap.h"
 #include "rwm.h"
 
@@ -38,198 +33,709 @@ rwm_op_dn_massage( Operation *op, SlapReply *rs, void *cookie )
        struct ldaprwmap        *rwmap = 
                        (struct ldaprwmap *)on->on_bi.bi_private;
 
-       struct berval           dn, ndn, mdn = { 0, NULL };
+       struct berval           dn = BER_BVNULL,
+                               ndn = BER_BVNULL;
        int                     rc = 0;
        dncookie                dc;
 
        /*
-        * Rewrite the bind dn if needed
+        * Rewrite the dn if needed
         */
        dc.rwmap = rwmap;
 #ifdef ENABLE_REWRITE
        dc.conn = op->o_conn;
        dc.rs = rs;
        dc.ctx = (char *)cookie;
-#else
+#else /* ! ENABLE_REWRITE */
        dc.tofrom = ((int *)cookie)[0];
        dc.normalized = 0;
-#endif
+#endif /* ! ENABLE_REWRITE */
+
+       /* NOTE: in those cases where only the ndn is available,
+        * and the caller sets op->o_req_dn = op->o_req_ndn,
+        * only rewrite the op->o_req_ndn and use it as 
+        * op->o_req_dn as well */
+       ndn = op->o_req_ndn;
+       if ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val ) {
+               dn = op->o_req_dn;
+               rc = rwm_dn_massage_pretty_normalize( &dc, &op->o_req_dn, &dn, &ndn );
+       } else {
+               rc = rwm_dn_massage_normalize( &dc, &op->o_req_ndn, &ndn );
+       }
 
-       rc = rwm_dn_massage( &dc, &op->o_req_dn, &mdn );
        if ( rc != LDAP_SUCCESS ) {
                return rc;
        }
 
-       if ( mdn.bv_val == op->o_req_dn.bv_val ) {
+       if ( ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val && dn.bv_val == op->o_req_dn.bv_val )
+                       || ndn.bv_val == op->o_req_ndn.bv_val )
+       {
                return LDAP_SUCCESS;
        }
 
-       rc = dnPrettyNormal( NULL, &mdn, &dn, &ndn, op->o_tmpmemctx );
-       if ( rc != LDAP_SUCCESS ) {
-               return rc;
-       }
-
-       if ( mdn.bv_val != dn.bv_val ) {
-               ch_free( mdn.bv_val );
+       if ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val ) {
+               op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
+               op->o_req_dn = dn;
+       } else {
+               op->o_req_dn = ndn;
        }
-
-       op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
        op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
-
-       op->o_req_dn = dn;
        op->o_req_ndn = ndn;
 
        return LDAP_SUCCESS;
 }
 
 static int
-rwm_bind( Operation *op, SlapReply *rs )
+rwm_op_add( Operation *op, SlapReply *rs )
 {
-       int     rc;
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+
+       int                     rc,
+                               i;
+       Attribute               **ap = NULL;
+       char                    *olddn = op->o_req_dn.bv_val;
+       int                     isupdate;
 
 #ifdef ENABLE_REWRITE
-       rc = rwm_op_dn_massage( op, rs, "bindDn" );
-#else
+       rc = rwm_op_dn_massage( op, rs, "addDN" );
+#else /* ! ENABLE_REWRITE */
        rc = 1;
        rc = rwm_op_dn_massage( op, rs, &rc );
-#endif
+#endif /* ! ENABLE_REWRITE */
        if ( rc != LDAP_SUCCESS ) {
-               return rc;
+               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+               send_ldap_error( op, rs, rc, "addDN massage error" );
+               return -1;
        }
 
+       if ( olddn != op->o_req_dn.bv_val ) {
+               ch_free( op->ora_e->e_name.bv_val );
+               ch_free( op->ora_e->e_nname.bv_val );
+
+               ber_dupbv( &op->ora_e->e_name, &op->o_req_dn );
+               ber_dupbv( &op->ora_e->e_nname, &op->o_req_ndn );
+       }
+
+       /* Count number of attributes in entry */ 
+       isupdate = be_shadow_update( op );
+       for ( i = 0, ap = &op->oq_add.rs_e->e_attrs; *ap; ) {
+               Attribute       *a;
+
+               if ( (*ap)->a_desc == slap_schema.si_ad_objectClass ||
+                               (*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
+               {
+                       int             j, last;
+
+                       for ( last = 0; !BER_BVISNULL( &(*ap)->a_vals[ last ] ); last++ )
+                                       /* count values */ ;
+                       last--;
+                       for ( j = 0; !BER_BVISNULL( &(*ap)->a_vals[ j ] ); j++ ) {
+                               struct ldapmapping      *mapping = NULL;
+
+                               ( void )rwm_mapping( &rwmap->rwm_oc, &(*ap)->a_vals[ j ],
+                                               &mapping, RWM_MAP );
+                               if ( mapping == NULL ) {
+                                       if ( rwmap->rwm_at.drop_missing ) {
+                                               /* FIXME: we allow to remove objectClasses as well;
+                                                * if the resulting entry is inconsistent, that's
+                                                * the relayed database's business...
+                                                */
+                                               ch_free( (*ap)->a_vals[ j ].bv_val );
+                                               if ( last > j ) {
+                                                       (*ap)->a_vals[ j ] = (*ap)->a_vals[ last ];
+                                               }
+                                               BER_BVZERO( &(*ap)->a_vals[ last ] );
+                                               last--;
+                                               j--;
+                                       }
+
+                               } else {
+                                       ch_free( (*ap)->a_vals[ j ].bv_val );
+                                       ber_dupbv( &(*ap)->a_vals[ j ], &mapping->m_dst );
+                               }
+                       }
+
+               } else if ( !isupdate && (*ap)->a_desc->ad_type->sat_no_user_mod ) {
+                       goto next_attr;
+
+               } else {
+                       struct ldapmapping      *mapping = NULL;
+
+                       ( void )rwm_mapping( &rwmap->rwm_at, &(*ap)->a_desc->ad_cname,
+                                       &mapping, RWM_MAP );
+                       if ( mapping == NULL ) {
+                               if ( rwmap->rwm_at.drop_missing ) {
+                                       goto cleanup_attr;
+                               }
+                       }
+
+                       if ( (*ap)->a_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
+                                       || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
+                       {
+                               /*
+                                * FIXME: rewrite could fail; in this case
+                                * the operation should give up, right?
+                                */
+#ifdef ENABLE_REWRITE
+                               rc = rwm_dnattr_rewrite( op, rs, "addAttrDN",
+                                               (*ap)->a_vals,
+                                               (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
+#else /* ! ENABLE_REWRITE */
+                               rc = 1;
+                               rc = rwm_dnattr_rewrite( op, rs, &rc, (*ap)->a_vals,
+                                               (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
+#endif /* ! ENABLE_REWRITE */
+                               if ( rc ) {
+                                       goto cleanup_attr;
+                               }
+
+                       } else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
+#ifdef ENABLE_REWRITE
+                               rc = rwm_referral_rewrite( op, rs, "referralAttrDN",
+                                               (*ap)->a_vals,
+                                               (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
+#else /* ! ENABLE_REWRITE */
+                               rc = 1;
+                               rc = rwm_referral_rewrite( op, rs, &rc, (*ap)->a_vals,
+                                               (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
+#endif /* ! ENABLE_REWRITE */
+                               if ( rc != LDAP_SUCCESS ) {
+                                       goto cleanup_attr;
+                               }
+                       }
+               
+                       if ( mapping != NULL ) {
+                               assert( mapping->m_dst_ad );
+                               (*ap)->a_desc = mapping->m_dst_ad;
+                       }
+               }
+
+next_attr:;
+               ap = &(*ap)->a_next;
+               continue;
+
+cleanup_attr:;
+               /* FIXME: leaking attribute/values? */
+               a = *ap;
+
+               *ap = (*ap)->a_next;
+               attr_free( a );
+       }
+
+       /* TODO: map attribute types, values of DN-valued attributes ... */
        return SLAP_CB_CONTINUE;
 }
 
 static int
-rwm_add( Operation *op, SlapReply *rs )
+rwm_op_bind( Operation *op, SlapReply *rs )
 {
-       int     rc;
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+       int                     rc;
 
 #ifdef ENABLE_REWRITE
-       rc = rwm_op_dn_massage( op, rs, "addDn" );
-#else
+       ( void )rewrite_session_delete( rwmap->rwm_rw, op->o_conn );
+       ( void )rewrite_session_init( rwmap->rwm_rw, op->o_conn );
+
+       rc = rwm_op_dn_massage( op, rs, "bindDN" );
+#else /* ! ENABLE_REWRITE */
        rc = 1;
        rc = rwm_op_dn_massage( op, rs, &rc );
-#endif
+#endif /* ! ENABLE_REWRITE */
        if ( rc != LDAP_SUCCESS ) {
-               return rc;
+               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+               send_ldap_error( op, rs, rc, "bindDN massage error" );
+               return -1;
        }
 
-       /* TODO: rewrite attribute types, values of DN-valued attributes ... */
        return SLAP_CB_CONTINUE;
 }
 
 static int
-rwm_delete( Operation *op, SlapReply *rs )
+rwm_op_unbind( Operation *op, SlapReply *rs )
+{
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+
+#ifdef ENABLE_REWRITE
+       rewrite_session_delete( rwmap->rwm_rw, op->o_conn );
+#endif /* ENABLE_REWRITE */
+
+       return SLAP_CB_CONTINUE;
+}
+
+static int
+rwm_op_compare( Operation *op, SlapReply *rs )
 {
-       int     rc;
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+
+       int                     rc;
+       struct berval           mapped_at = BER_BVNULL,
+                               mapped_vals[2] = { BER_BVNULL, BER_BVNULL };
 
 #ifdef ENABLE_REWRITE
-       rc = rwm_op_dn_massage( op, rs, "deleteDn" );
-#else
+       rc = rwm_op_dn_massage( op, rs, "compareDN" );
+#else /* ! ENABLE_REWRITE */
        rc = 1;
        rc = rwm_op_dn_massage( op, rs, &rc );
-#endif
+#endif /* ! ENABLE_REWRITE */
        if ( rc != LDAP_SUCCESS ) {
-               return rc;
+               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+               send_ldap_error( op, rs, rc, "compareDN massage error" );
+               return -1;
+       }
+
+       /* if the attribute is an objectClass, try to remap its value */
+       if ( op->orc_ava->aa_desc == slap_schema.si_ad_objectClass
+                       || op->orc_ava->aa_desc == slap_schema.si_ad_structuralObjectClass )
+       {
+               rwm_map( &rwmap->rwm_oc, &op->orc_ava->aa_value,
+                               &mapped_vals[0], RWM_MAP );
+               if ( BER_BVISNULL( &mapped_vals[0] ) || BER_BVISEMPTY( &mapped_vals[0] ) )
+               {
+                       op->o_bd->bd_info = (BackendInfo *)on->on_info;
+                       send_ldap_error( op, rs, LDAP_OTHER, "compare objectClass map error" );
+                       return -1;
+
+               } else if ( mapped_vals[0].bv_val != op->orc_ava->aa_value.bv_val ) {
+                       free( op->orc_ava->aa_value.bv_val );
+                       op->orc_ava->aa_value = mapped_vals[0];
+               }
+               mapped_at = op->orc_ava->aa_desc->ad_cname;
+
+       } else {
+               struct ldapmapping      *mapping = NULL;
+               AttributeDescription    *ad = op->orc_ava->aa_desc;
+
+               ( void )rwm_mapping( &rwmap->rwm_at, &op->orc_ava->aa_desc->ad_cname,
+                               &mapping, RWM_MAP );
+               if ( mapping == NULL ) {
+                       if ( rwmap->rwm_at.drop_missing ) {
+                               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+                               send_ldap_error( op, rs, LDAP_OTHER, "compare attributeType map error" );
+                               return -1;
+                       }
+
+               } else {
+                       assert( mapping->m_dst_ad );
+                       ad = mapping->m_dst_ad;
+               }
+
+               if ( op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
+                               || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
+               {
+                       struct berval   *mapped_valsp[2];
+                       
+                       mapped_valsp[0] = &mapped_vals[0];
+                       mapped_valsp[1] = &mapped_vals[1];
+
+                       mapped_vals[0] = op->orc_ava->aa_value;
+
+#ifdef ENABLE_REWRITE
+                       rc = rwm_dnattr_rewrite( op, rs, "compareAttrDN", NULL, mapped_valsp );
+#else /* ! ENABLE_REWRITE */
+                       rc = 1;
+                       rc = rwm_dnattr_rewrite( op, rs, &rc, NULL, mapped_valsp );
+#endif /* ! ENABLE_REWRITE */
+
+                       if ( rc != LDAP_SUCCESS ) {
+                               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+                               send_ldap_error( op, rs, rc, "compareAttrDN massage error" );
+                               return -1;
+                       }
+
+                       op->orc_ava->aa_value = mapped_vals[0];
+               }
+               op->orc_ava->aa_desc = ad;
        }
 
        return SLAP_CB_CONTINUE;
 }
 
 static int
-rwm_modrdn( Operation *op, SlapReply *rs )
+rwm_op_delete( Operation *op, SlapReply *rs )
 {
-       int     rc;
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       int                     rc;
 
 #ifdef ENABLE_REWRITE
-       rc = rwm_op_dn_massage( op, rs, "renameDn" );
-#else
+       rc = rwm_op_dn_massage( op, rs, "deleteDN" );
+#else /* ! ENABLE_REWRITE */
        rc = 1;
        rc = rwm_op_dn_massage( op, rs, &rc );
-#endif
+#endif /* ! ENABLE_REWRITE */
        if ( rc != LDAP_SUCCESS ) {
-               return rc;
+               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+               send_ldap_error( op, rs, rc, "deleteDN massage error" );
+               return -1;
        }
 
-       /* TODO: rewrite attribute types, values of DN-valued attributes ... */
        return SLAP_CB_CONTINUE;
 }
 
 static int
-rwm_modify( Operation *op, SlapReply *rs )
+rwm_op_modify( Operation *op, SlapReply *rs )
 {
-       int     rc;
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+
+       int                     isupdate;
+       Modifications           **mlp;
+       int                     rc;
 
 #ifdef ENABLE_REWRITE
-       rc = rwm_op_dn_massage( op, rs, "modifyDn" );
-#else
+       rc = rwm_op_dn_massage( op, rs, "modifyDN" );
+#else /* ! ENABLE_REWRITE */
        rc = 1;
        rc = rwm_op_dn_massage( op, rs, &rc );
-#endif
+#endif /* ! ENABLE_REWRITE */
        if ( rc != LDAP_SUCCESS ) {
-               return rc;
+               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+               send_ldap_error( op, rs, rc, "modifyDN massage error" );
+               return -1;
+       }
+
+       isupdate = be_shadow_update( op );
+       for ( mlp = &op->oq_modify.rs_modlist; *mlp; ) {
+               int                     is_oc = 0;
+               Modifications           *ml;
+               struct ldapmapping      *mapping = NULL;
+
+               if ( (*mlp)->sml_desc == slap_schema.si_ad_objectClass 
+                               || (*mlp)->sml_desc == slap_schema.si_ad_structuralObjectClass )
+               {
+                       is_oc = 1;
+
+               } else if ( !isupdate && (*mlp)->sml_desc->ad_type->sat_no_user_mod  ) {
+                       goto next_mod;
+
+               } else {
+                       int                     drop_missing;
+
+                       drop_missing = rwm_mapping( &rwmap->rwm_at,
+                                       &(*mlp)->sml_desc->ad_cname,
+                                       &mapping, RWM_MAP );
+                       if ( drop_missing || ( mapping != NULL && BER_BVISNULL( &mapping->m_dst ) ) )
+                       {
+                               goto cleanup_mod;
+                       }
+               }
+
+               if ( (*mlp)->sml_values != NULL ) {
+                       if ( is_oc ) {
+                               int     last, j;
+
+                               for ( last = 0; !BER_BVISNULL( &(*mlp)->sml_values[ last ] ); last++ )
+                                       /* count values */ ;
+                               last--;
+
+                               for ( j = 0; !BER_BVISNULL( &(*mlp)->sml_values[ j ] ); j++ ) {
+                                       struct ldapmapping      *oc_mapping = NULL;
+               
+                                       ( void )rwm_mapping( &rwmap->rwm_oc, &(*mlp)->sml_values[ j ],
+                                                       &oc_mapping, RWM_MAP );
+                                       if ( oc_mapping == NULL ) {
+                                               if ( rwmap->rwm_at.drop_missing ) {
+                                                       /* FIXME: we allow to remove objectClasses as well;
+                                                        * if the resulting entry is inconsistent, that's
+                                                        * the relayed database's business...
+                                                        */
+                                                       ch_free( (*mlp)->sml_values[ j ].bv_val );
+                                                       if ( last > j ) {
+                                                               (*mlp)->sml_values[ j ] = (*mlp)->sml_values[ last ];
+                                                       }
+                                                       BER_BVZERO( &(*mlp)->sml_values[ last ] );
+                                                       last--;
+                                                       j--;
+                                               }
+       
+                                       } else {
+                                               ch_free( (*mlp)->sml_values[ j ].bv_val );
+                                               ber_dupbv( &(*mlp)->sml_values[ j ], &oc_mapping->m_dst );
+                                       }
+                               }
+
+                       } else {
+                               if ( (*mlp)->sml_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
+                                               || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
+                               {
+#ifdef ENABLE_REWRITE
+                                       rc = rwm_dnattr_rewrite( op, rs, "modifyAttrDN",
+                                                       (*mlp)->sml_values,
+                                                       (*mlp)->sml_nvalues ? &(*mlp)->sml_nvalues : NULL );
+#else /* ! ENABLE_REWRITE */
+                                       rc = 1;
+                                       rc = rwm_dnattr_rewrite( op, rs, &rc, 
+                                                       (*mlp)->sml_values,
+                                                       (*mlp)->sml_nvalues ? &(*mlp)->sml_nvalues : NULL );
+#endif /* ! ENABLE_REWRITE */
+
+                               } else if ( (*mlp)->sml_desc == slap_schema.si_ad_ref ) {
+#ifdef ENABLE_REWRITE
+                                       rc = rwm_referral_rewrite( op, rs,
+                                                       "referralAttrDN",
+                                                       (*mlp)->sml_values,
+                                                       (*mlp)->sml_nvalues ? &(*mlp)->sml_nvalues : NULL );
+#else /* ! ENABLE_REWRITE */
+                                       rc = 1;
+                                       rc = rwm_referral_rewrite( op, rs, &rc,
+                                                       (*mlp)->sml_values,
+                                                       (*mlp)->sml_nvalues ? &(*mlp)->sml_nvalues : NULL );
+#endif /* ! ENABLE_REWRITE */
+                                       if ( rc != LDAP_SUCCESS ) {
+                                               goto cleanup_mod;
+                                       }
+                               }
+
+                               if ( rc != LDAP_SUCCESS ) {
+                                       goto cleanup_mod;
+                               }
+                       }
+               }
+
+next_mod:;
+               if ( mapping != NULL ) {
+                       /* use new attribute description */
+                       assert( mapping->m_dst_ad );
+                       (*mlp)->sml_desc = mapping->m_dst_ad;
+               }
+
+               mlp = &(*mlp)->sml_next;
+               continue;
+
+cleanup_mod:;
+               ml = *mlp;
+               *mlp = (*mlp)->sml_next;
+               slap_mod_free( &ml->sml_mod, 0 );
+               free( ml );
        }
 
-       /* TODO: rewrite attribute types, values of DN-valued attributes ... */
        return SLAP_CB_CONTINUE;
 }
 
 static int
-rwm_compare( Operation *op, SlapReply *rs )
+rwm_op_modrdn( Operation *op, SlapReply *rs )
 {
-       int     rc;
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+       
+       int                     rc;
 
+       if ( op->orr_newSup ) {
+               dncookie        dc;
+               struct berval   nnewSup = BER_BVNULL;
+               struct berval   newSup = BER_BVNULL;
+
+               /*
+                * Rewrite the new superior, if defined and required
+                */
+               dc.rwmap = rwmap;
+#ifdef ENABLE_REWRITE
+               dc.conn = op->o_conn;
+               dc.rs = rs;
+               dc.ctx = "newSuperiorDN";
+#else /* ! ENABLE_REWRITE */
+               dc.tofrom = 0;
+               dc.normalized = 0;
+#endif /* ! ENABLE_REWRITE */
+               newSup = *op->orr_newSup;
+               nnewSup = *op->orr_nnewSup;
+               rc = rwm_dn_massage_pretty_normalize( &dc, op->orr_newSup, &newSup, &nnewSup );
+               if ( rc != LDAP_SUCCESS ) {
+                       op->o_bd->bd_info = (BackendInfo *)on->on_info;
+                       send_ldap_error( op, rs, rc, "newSuperiorDN massage error" );
+                       return -1;
+               }
+
+               if ( op->orr_newSup->bv_val != newSup.bv_val ) {
+                       op->o_tmpfree( op->orr_newSup->bv_val, op->o_tmpmemctx );
+                       op->o_tmpfree( op->orr_nnewSup->bv_val, op->o_tmpmemctx );
+                       *op->orr_newSup = newSup;
+                       *op->orr_nnewSup = nnewSup;
+               }
+       }
+
+       /*
+        * Rewrite the dn, if needed
+        */
 #ifdef ENABLE_REWRITE
-       rc = rwm_op_dn_massage( op, rs, "compareDn" );
-#else
+       rc = rwm_op_dn_massage( op, rs, "renameDN" );
+#else /* ! ENABLE_REWRITE */
        rc = 1;
        rc = rwm_op_dn_massage( op, rs, &rc );
-#endif
+#endif /* ! ENABLE_REWRITE */
        if ( rc != LDAP_SUCCESS ) {
-               return rc;
+               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+               send_ldap_error( op, rs, rc, "renameDN massage error" );
+               return -1;
        }
 
-       /* TODO: rewrite attribute types, values of DN-valued attributes ... */
+       /* TODO: rewrite newRDN, attribute types, 
+        * values of DN-valued attributes ... */
        return SLAP_CB_CONTINUE;
 }
 
 static int
-rwm_search( Operation *op, SlapReply *rs )
+rwm_swap_attrs( Operation *op, SlapReply *rs )
 {
-       int     rc;
+       slap_callback   *cb = op->o_callback;
+       AttributeName   *an = (AttributeName *)cb->sc_private;
+
+       rs->sr_attrs = an;
+       
+       return SLAP_CB_CONTINUE;
+}
+
+static int rwm_freeself( Operation *op, SlapReply *rs )
+{
+       if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_RESULT ) {
+               assert( op->o_callback );
+
+               op->o_tmpfree( op->o_callback, op->o_tmpmemctx );
+               op->o_callback = NULL;
+       }
+
+       return SLAP_CB_CONTINUE;
+}
+
+static int
+rwm_op_search( Operation *op, SlapReply *rs )
+{
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+
+       int                     rc;
+       dncookie                dc;
+
+       struct berval           fstr = BER_BVNULL;
+       Filter                  *f = NULL;
+
+       slap_callback           *cb;
+       AttributeName           *an = NULL;
+
+       char                    *text = NULL;
 
 #ifdef ENABLE_REWRITE
-       rc = rwm_op_dn_massage( op, rs, "searchDn" );
-#else
+       rc = rwm_op_dn_massage( op, rs, "searchDN" );
+#else /* ! ENABLE_REWRITE */
        rc = 1;
        rc = rwm_op_dn_massage( op, rs, &rc );
-#endif
+#endif /* ! ENABLE_REWRITE */
        if ( rc != LDAP_SUCCESS ) {
-               return rc;
+               text = "searchDN massage error";
+               goto error_return;
+       }
+
+       /*
+        * Rewrite the dn if needed
+        */
+       dc.rwmap = rwmap;
+#ifdef ENABLE_REWRITE
+       dc.conn = op->o_conn;
+       dc.rs = rs;
+       dc.ctx = "searchFilterAttrDN";
+#else /* ! ENABLE_REWRITE */
+       dc.tofrom = 0;
+       dc.normalized = 0;
+#endif /* ! ENABLE_REWRITE */
+
+       rc = rwm_filter_map_rewrite( &dc, op->ors_filter, &fstr );
+       if ( rc != LDAP_SUCCESS ) {
+               text = "searchFilter/searchFilterAttrDN massage error";
+               goto error_return;
+       }
+
+       f = str2filter_x( op, fstr.bv_val );
+
+       if ( f == NULL ) {
+               text = "massaged filter parse error";
+               goto error_return;
+       }
+
+       if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
+               ch_free( op->ors_filterstr.bv_val );
+       }
+
+       if( op->ors_filter ) {
+               filter_free_x( op, op->ors_filter );
+       }
+
+       op->ors_filter = f;
+       op->ors_filterstr = fstr;
+
+       rc = rwm_map_attrnames( &rwmap->rwm_at, &rwmap->rwm_oc,
+                       op->ors_attrs, &an, RWM_MAP );
+       if ( rc != LDAP_SUCCESS ) {
+               text = "attribute list mapping error";
+               goto error_return;
        }
 
-       /* TODO: rewrite/map filter & attrs */
+       cb = (slap_callback *) op->o_tmpcalloc( sizeof( slap_callback ),
+                       1, op->o_tmpmemctx );
+       if ( cb == NULL ) {
+               rc = LDAP_NO_MEMORY;
+               goto error_return;
+       }
+
+       cb->sc_response = rwm_swap_attrs;
+       cb->sc_cleanup = rwm_freeself;
+       cb->sc_private = (void *)op->ors_attrs;
+       cb->sc_next = op->o_callback;
+
+       op->o_callback = cb;
+       op->ors_attrs = an;
+
        return SLAP_CB_CONTINUE;
+
+error_return:;
+       if ( an != NULL ) {
+               ch_free( an );
+       }
+
+       if ( f != NULL ) {
+               filter_free_x( op, f );
+       }
+
+       if ( !BER_BVISNULL( &fstr ) ) {
+               ch_free( fstr.bv_val );
+       }
+
+       op->o_bd->bd_info = (BackendInfo *)on->on_info;
+       send_ldap_error( op, rs, rc, text );
+
+       return -1;
+
 }
 
 static int
 rwm_extended( Operation *op, SlapReply *rs )
 {
-       int     rc;
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       int                     rc;
 
 #ifdef ENABLE_REWRITE
-       rc = rwm_op_dn_massage( op, rs, "extendedDn" );
-#else
+       rc = rwm_op_dn_massage( op, rs, "extendedDN" );
+#else /* ! ENABLE_REWRITE */
        rc = 1;
        rc = rwm_op_dn_massage( op, rs, &rc );
-#endif
+#endif /* ! ENABLE_REWRITE */
        if ( rc != LDAP_SUCCESS ) {
-               return rc;
+               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+               send_ldap_error( op, rs, rc, "extendedDN massage error" );
+               return -1;
        }
 
        /* TODO: rewrite/map extended data ? ... */
-       return 0;
+       return SLAP_CB_CONTINUE;
 }
 
 static int
@@ -241,6 +747,7 @@ rwm_matched( Operation *op, SlapReply *rs )
 
        struct berval           dn, mdn;
        dncookie                dc;
+       int                     rc;
 
        if ( rs->sr_matched == NULL ) {
                return SLAP_CB_CONTINUE;
@@ -250,17 +757,24 @@ rwm_matched( Operation *op, SlapReply *rs )
 #ifdef ENABLE_REWRITE
        dc.conn = op->o_conn;
        dc.rs = rs;
-       dc.ctx = "matchedDn";
-#else
+       dc.ctx = "matchedDN";
+#else /* ! ENABLE_REWRITE */
        dc.tofrom = 0;
        dc.normalized = 0;
-#endif
+#endif /* ! ENABLE_REWRITE */
        ber_str2bv( rs->sr_matched, 0, 0, &dn );
-       rwm_dn_massage( &dc, &dn, &mdn );
+       mdn = dn;
+       rc = rwm_dn_massage_pretty( &dc, &dn, &mdn );
+       if ( rc != LDAP_SUCCESS ) {
+               rs->sr_err = rc;
+               rs->sr_text = "Rewrite error";
+               return 1;
+       }
 
        if ( mdn.bv_val != dn.bv_val ) {
                if ( rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
                        ch_free( (void *)rs->sr_matched );
+
                } else {
                        rs->sr_flags |= REP_MATCHED_MUSTBEFREED;
                }
@@ -270,6 +784,178 @@ rwm_matched( Operation *op, SlapReply *rs )
        return SLAP_CB_CONTINUE;
 }
 
+static int
+rwm_attrs( Operation *op, SlapReply *rs, Attribute** a_first, int stripEntryDN )
+{
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+
+       dncookie                dc;
+       int                     rc;
+       Attribute               **ap;
+       int                     isupdate;
+
+       /*
+        * Rewrite the dn attrs, if needed
+        */
+       dc.rwmap = rwmap;
+#ifdef ENABLE_REWRITE
+       dc.conn = op->o_conn;
+       dc.rs = NULL; 
+#else /* ! ENABLE_REWRITE */
+       dc.tofrom = 0;
+       dc.normalized = 0;
+#endif /* ! ENABLE_REWRITE */
+
+       /* FIXME: the entries are in the remote mapping form;
+        * so we need to select those attributes we are willing
+        * to return, and remap them accordingly */
+
+       /* FIXME: in principle, one could map an attribute
+        * on top of another, which already exists.
+        * As such, in the end there might exist more than
+        * one instance of an attribute.
+        * We should at least check if this occurs, and issue
+        * an error (because multiple instances of attrs in 
+        * response are not valid), or merge the values (what
+        * about duplicate values?) */
+       isupdate = be_shadow_update( op );
+       for ( ap = a_first; *ap; ) {
+               struct ldapmapping      *mapping = NULL;
+               int                     drop_missing;
+               int                     last;
+               Attribute               *a;
+
+               if ( SLAP_OPATTRS( rs->sr_attr_flags ) && is_at_operational( (*ap)->a_desc->ad_type ) )
+               {
+                       /* go on */ ;
+                       
+               } else {
+                       if ( op->ors_attrs != NULL && 
+                                       !SLAP_USERATTRS( rs->sr_attr_flags ) &&
+                                       !ad_inlist( (*ap)->a_desc, op->ors_attrs ) )
+                       {
+                               goto cleanup_attr;
+                       }
+
+                       drop_missing = rwm_mapping( &rwmap->rwm_at,
+                                       &(*ap)->a_desc->ad_cname, &mapping, RWM_REMAP );
+                       if ( drop_missing || ( mapping != NULL && BER_BVISEMPTY( &mapping->m_dst ) ) )
+                       {
+                               goto cleanup_attr;
+                       }
+
+                       if ( mapping != NULL ) {
+                               (*ap)->a_desc = mapping->m_dst_ad;
+                       }
+               }
+
+               if ( (*ap)->a_desc == slap_schema.si_ad_entryDN ) {
+                       if ( stripEntryDN ) {
+                               /* will be generated by frontend */
+                               goto cleanup_attr;
+                       }
+                       
+               } else if ( !isupdate
+                       && (*ap)->a_desc->ad_type->sat_no_user_mod 
+                       && (*ap)->a_desc->ad_type != slap_schema.si_at_undefined )
+               {
+                       goto next_attr;
+               }
+
+               for ( last = 0; !BER_BVISNULL( &(*ap)->a_vals[last] ); last++ )
+                       /* just count */ ;
+
+               if ( last == 0 ) {
+                       /* empty? leave it in place because of attrsonly and vlv */
+                       goto next_attr;
+               }
+               last--;
+
+               if ( (*ap)->a_desc == slap_schema.si_ad_objectClass
+                               || (*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
+               {
+                       struct berval   *bv;
+                       
+                       for ( bv = (*ap)->a_vals; !BER_BVISNULL( bv ); bv++ ) {
+                               struct berval   mapped;
+
+                               rwm_map( &rwmap->rwm_oc, &bv[0], &mapped, RWM_REMAP );
+                               if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
+                                       ch_free( bv[0].bv_val );
+                                       BER_BVZERO( &bv[0] );
+                                       if ( &(*ap)->a_vals[last] > &bv[0] ) {
+                                               bv[0] = (*ap)->a_vals[last];
+                                               BER_BVZERO( &(*ap)->a_vals[last] );
+                                       }
+                                       last--;
+                                       bv--;
+
+                               } else if ( mapped.bv_val != bv[0].bv_val ) {
+                                       /*
+                                        * FIXME: after LBER_FREEing
+                                        * the value is replaced by
+                                        * ch_alloc'ed memory
+                                        */
+                                       ch_free( bv[0].bv_val );
+                                       ber_dupbv( &bv[0], &mapped );
+                               }
+                       }
+
+               /*
+                * It is necessary to try to rewrite attributes with
+                * dn syntax because they might be used in ACLs as
+                * members of groups; since ACLs are applied to the
+                * rewritten stuff, no dn-based subject clause could
+                * be used at the ldap backend side (see
+                * http://www.OpenLDAP.org/faq/data/cache/452.html)
+                * The problem can be overcome by moving the dn-based
+                * ACLs to the target directory server, and letting
+                * everything pass thru the ldap backend. */
+               /* FIXME: handle distinguishedName-like syntaxes, like
+                * nameAndOptionalUID */
+               } else if ( (*ap)->a_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
+                               || ( mapping != NULL && mapping->m_src_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
+               {
+#ifdef ENABLE_REWRITE
+                       dc.ctx = "searchAttrDN";
+#endif /* ENABLE_REWRITE */
+                       rc = rwm_dnattr_result_rewrite( &dc, (*ap)->a_vals );
+                       if ( rc != LDAP_SUCCESS ) {
+                               goto cleanup_attr;
+                       }
+
+               } else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
+#ifdef ENABLE_REWRITE
+                       dc.ctx = "searchAttrDN";
+#endif /* ENABLE_REWRITE */
+                       rc = rwm_referral_result_rewrite( &dc, (*ap)->a_vals );
+                       if ( rc != LDAP_SUCCESS ) {
+                               goto cleanup_attr;
+                       }
+               }
+
+               if ( mapping != NULL ) {
+                       /* rewrite the attribute description */
+                       assert( mapping->m_dst_ad );
+                       (*ap)->a_desc = mapping->m_dst_ad;
+               }
+
+next_attr:;
+               ap = &(*ap)->a_next;
+               continue;
+
+cleanup_attr:;
+               a = *ap;
+               *ap = (*ap)->a_next;
+
+               attr_free( a );
+       }
+
+       return 0;
+}
+
 static int
 rwm_send_entry( Operation *op, SlapReply *rs )
 {
@@ -277,15 +963,15 @@ rwm_send_entry( Operation *op, SlapReply *rs )
        struct ldaprwmap        *rwmap = 
                        (struct ldaprwmap *)on->on_bi.bi_private;
 
-       Entry           *e = NULL;
-       struct berval   dn = { 0, NULL }, ndn = { 0, NULL };
-       dncookie        dc;
-       int             rc = SLAP_CB_CONTINUE;
+       Entry                   *e = NULL;
+       int                     flags;
+       struct berval           dn = BER_BVNULL,
+                               ndn = BER_BVNULL;
+       dncookie                dc;
+       int                     rc;
 
        assert( rs->sr_entry );
 
-       e = rs->sr_entry;
-
        /*
         * Rewrite the dn of the result, if needed
         */
@@ -293,17 +979,29 @@ rwm_send_entry( Operation *op, SlapReply *rs )
 #ifdef ENABLE_REWRITE
        dc.conn = op->o_conn;
        dc.rs = NULL; 
-       dc.ctx = "searchResultDN";
-#else
+       dc.ctx = "searchEntryDN";
+#else /* ! ENABLE_REWRITE */
        dc.tofrom = 0;
        dc.normalized = 0;
-#endif
-       if ( rwm_dn_massage( &dc, &e->e_name, &dn ) ) {
-               return LDAP_OTHER;
-       }
+#endif /* ! ENABLE_REWRITE */
 
-       if ( e->e_name.bv_val == dn.bv_val ) {
-               return SLAP_CB_CONTINUE;
+       e = rs->sr_entry;
+       flags = rs->sr_flags;
+       if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
+               /* FIXME: all we need to duplicate are:
+                * - dn
+                * - ndn
+                * - attributes that are requested
+                * - no values if attrsonly is set
+                */
+
+               e = entry_dup( e );
+               if ( e == NULL ) {
+                       rc = LDAP_NO_MEMORY;
+                       goto fail;
+               }
+
+               flags |= ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
        }
 
        /*
@@ -311,47 +1009,104 @@ rwm_send_entry( Operation *op, SlapReply *rs )
         * from the one known to the meta, and a DN with unknown
         * attributes is returned.
         */
-       if ( dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL ) != LDAP_SUCCESS ) {
-               if ( dn.bv_val != e->e_name.bv_val ) {
-                       ch_free( dn.bv_val );
-               }
-               rc = LDAP_INVALID_DN_SYNTAX;
+       dn = e->e_name;
+       ndn = e->e_nname;
+       rc = rwm_dn_massage_pretty_normalize( &dc, &e->e_name, &dn, &ndn );
+       if ( rc != LDAP_SUCCESS ) {
+               rc = 1;
                goto fail;
        }
 
-       if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
-               e = entry_dup( e );
-               if ( e == NULL ) {
-                       goto fail;
-               }
-               rs->sr_flags |= ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
+       if ( e->e_name.bv_val != dn.bv_val ) {
+               ch_free( e->e_name.bv_val );
+               ch_free( e->e_nname.bv_val );
+
+               e->e_name = dn;
+               e->e_nname = ndn;
        }
 
-       free( e->e_name.bv_val );
-       free( e->e_nname.bv_val );
+       /* TODO: map entry attribute types, objectclasses 
+        * and dn-valued attribute values */
+
+       /* FIXME: the entries are in the remote mapping form;
+        * so we need to select those attributes we are willing
+        * to return, and remap them accordingly */
+       (void)rwm_attrs( op, rs, &e->e_attrs, 1 );
 
-       e->e_name = dn;
-       e->e_nname = ndn;
+#if 0
+       if ( rs->sr_operational_attrs ) {
+               (void)rwm_attrs( op, rs, &rs->sr_operational_attrs, 0 );
+       }
+#endif
 
        rs->sr_entry = e;
+       rs->sr_flags = flags;
 
-       /* TODO: map entry attribute types, objectclasses 
-        * and dn-valued attribute values */
-       
        return SLAP_CB_CONTINUE;
 
 fail:;
-       if ( dn.bv_val && ( dn.bv_val != e->e_name.bv_val ) ) {
+       if ( e != NULL && e != rs->sr_entry ) {
+               if ( e->e_name.bv_val == dn.bv_val ) {
+                       BER_BVZERO( &e->e_name );
+               }
+
+               if ( e->e_nname.bv_val == ndn.bv_val ) {
+                       BER_BVZERO( &e->e_nname );
+               }
+
+               entry_free( e );
+       }
+
+       if ( !BER_BVISNULL( &dn ) ) {
                ch_free( dn.bv_val );
        }
 
-       if ( ndn.bv_val ) {
+       if ( !BER_BVISNULL( &ndn ) ) {
                ch_free( ndn.bv_val );
        }
 
        return rc;
 }
 
+static int
+rwm_operational( Operation *op, SlapReply *rs )
+{
+       /* FIXME: the entries are in the remote mapping form;
+        * so we need to select those attributes we are willing
+        * to return, and remap them accordingly */
+       if ( rs->sr_operational_attrs ) {
+               rwm_attrs( op, rs, &rs->sr_operational_attrs, 1 );
+       }
+
+       return SLAP_CB_CONTINUE;
+}
+
+#if 0
+/* don't use this; it cannot be reverted, and leaves op->o_req_dn
+ * rewritten for subsequent operations; fine for plain suffixmassage,
+ * but destroys everything else */
+static int
+rwm_chk_referrals( Operation *op, SlapReply *rs )
+{
+       slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
+       int                     rc;
+
+#ifdef ENABLE_REWRITE
+       rc = rwm_op_dn_massage( op, rs, "referralCheckDN" );
+#else /* ! ENABLE_REWRITE */
+       rc = 1;
+       rc = rwm_op_dn_massage( op, rs, &rc );
+#endif /* ! ENABLE_REWRITE */
+       if ( rc != LDAP_SUCCESS ) {
+               op->o_bd->bd_info = (BackendInfo *)on->on_info;
+               send_ldap_error( op, rs, rc, "referralCheckDN massage error" );
+               return -1;
+       }
+
+       return SLAP_CB_CONTINUE;
+}
+#endif
+
 static int
 rwm_rw_config(
     BackendDB  *be,
@@ -390,38 +1145,54 @@ rwm_suffixmassage_config(
        struct ldaprwmap        *rwmap = 
                        (struct ldaprwmap *)on->on_bi.bi_private;
 
-       struct berval   bvnc, nvnc, pvnc, brnc, nrnc, prnc;
+       struct berval           bvnc, nvnc, pvnc, brnc, nrnc, prnc;
+       int                     massaged;
 #ifdef ENABLE_REWRITE
-       int             rc;
+       int                     rc;
 #endif /* ENABLE_REWRITE */
                
        /*
         * syntax:
         * 
-        *      suffixmassage <suffix> <massaged suffix>
+        *      suffixmassage [<suffix>] <massaged suffix>
         *
-        * the <suffix> field must be defined as a valid suffix
-        * (or suffixAlias?) for the current database;
+        * the [<suffix>] field must be defined as a valid suffix
+        * for the current database;
         * the <massaged suffix> shouldn't have already been
-        * defined as a valid suffix or suffixAlias for the 
-        * current server
+        * defined as a valid suffix for the current server
         */
-       if ( argc != 3 ) {
+       if ( argc == 2 ) {
+               if ( be->be_suffix == NULL ) {
+                       fprintf( stderr, "%s: line %d: "
+                                      " \"suffixMassage [<suffix>]"
+                                      " <massaged suffix>\" without "
+                                      "<suffix> part requires database "
+                                      "suffix be defined first.\n",
+                               fname, lineno );
+                       return 1;
+               }
+               bvnc = be->be_suffix[ 0 ];
+               massaged = 1;
+
+       } else if ( argc == 3 ) {
+               ber_str2bv( argv[ 1 ], 0, 0, &bvnc );
+               massaged = 2;
+
+       } else  {
                fprintf( stderr, "%s: line %d: syntax is"
-                              " \"suffixMassage <suffix>"
+                              " \"suffixMassage [<suffix>]"
                               " <massaged suffix>\"\n",
                        fname, lineno );
                return 1;
        }
-               
-       ber_str2bv( argv[1], 0, 0, &bvnc );
+
        if ( dnPrettyNormal( NULL, &bvnc, &pvnc, &nvnc, NULL ) != LDAP_SUCCESS ) {
                fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
                        fname, lineno, bvnc.bv_val );
                return 1;
        }
 
-       ber_str2bv( argv[2], 0, 0, &brnc );
+       ber_str2bv( argv[ massaged ], 0, 0, &brnc );
        if ( dnPrettyNormal( NULL, &brnc, &prnc, &nrnc, NULL ) != LDAP_SUCCESS ) {
                fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
                                fname, lineno, brnc.bv_val );
@@ -435,7 +1206,7 @@ rwm_suffixmassage_config(
         * The suffix massaging is emulated 
         * by means of the rewrite capabilities
         */
-       rc = suffix_massage_config( rwmap->rwm_rw,
+       rc = rwm_suffix_massage_config( rwmap->rwm_rw,
                        &pvnc, &nvnc, &prnc, &nrnc );
        free( nvnc.bv_val );
        free( pvnc.bv_val );
@@ -477,23 +1248,59 @@ rwm_m_config(
 static int
 rwm_response( Operation *op, SlapReply *rs )
 {
-       int     rc;
+       slap_overinst           *on = (slap_overinst *)op->o_bd->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+
+       int             rc;
 
        if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH ) {
                return rwm_send_entry( op, rs );
        }
 
        switch( op->o_tag ) {
+       case LDAP_REQ_SEARCH:
+               /* Note: the operation attrs are remapped */
+               if ( rs->sr_type == REP_RESULT
+                               && op->ors_attrs != NULL
+                               && op->ors_attrs != rs->sr_attrs )
+               {
+                       ch_free( op->ors_attrs );
+                       op->ors_attrs = rs->sr_attrs;
+               }
+               /* fall thru */
+
        case LDAP_REQ_BIND:
        case LDAP_REQ_ADD:
        case LDAP_REQ_DELETE:
        case LDAP_REQ_MODRDN:
        case LDAP_REQ_MODIFY:
        case LDAP_REQ_COMPARE:
-       case LDAP_REQ_SEARCH:
        case LDAP_REQ_EXTENDED:
+               if ( rs->sr_ref ) {
+                       dncookie                dc;
+
+                       /*
+                        * Rewrite the dn of the referrals, if needed
+                        */
+                       dc.rwmap = rwmap;
+#ifdef ENABLE_REWRITE
+                       dc.conn = op->o_conn;
+                       dc.rs = NULL; 
+                       dc.ctx = "referralDN";
+#else /* ! ENABLE_REWRITE */
+                       dc.tofrom = 0;
+                       dc.normalized = 0;
+#endif /* ! ENABLE_REWRITE */
+                       rc = rwm_referral_result_rewrite( &dc, rs->sr_ref );
+                       if ( rc != LDAP_SUCCESS ) {
+                               rc = 1;
+                               break;
+                       }
+               }
                rc = rwm_matched( op, rs );
                break;
+
        default:
                rc = SLAP_CB_CONTINUE;
                break;
@@ -503,7 +1310,7 @@ rwm_response( Operation *op, SlapReply *rs )
 }
 
 static int
-rwm_config(
+rwm_db_config(
     BackendDB  *be,
     const char *fname,
     int                lineno,
@@ -511,26 +1318,67 @@ rwm_config(
     char       **argv
 )
 {
+       slap_overinst           *on = (slap_overinst *) be->bd_info;
+       struct ldaprwmap        *rwmap = 
+                       (struct ldaprwmap *)on->on_bi.bi_private;
+
        int             rc = 0;
+       char            *argv0 = NULL;
 
-       if ( strncasecmp( argv[0], "rewrite", sizeof("rewrite") - 1) == 0 ) {
+       if ( strncasecmp( argv[ 0 ], "rwm-", STRLENOF( "rwm-" ) ) == 0 ) {
+               argv0 = argv[ 0 ];
+               argv[ 0 ] = &argv0[ STRLENOF( "rwm-" ) ];
+       }
+
+       if ( strncasecmp( argv[0], "rewrite", STRLENOF("rewrite") ) == 0 ) {
                rc = rwm_rw_config( be, fname, lineno, argc, argv );
 
-       } else if (strcasecmp( argv[0], "map" ) == 0 ) {
+       } else if ( strcasecmp( argv[0], "map" ) == 0 ) {
                rc = rwm_m_config( be, fname, lineno, argc, argv );
 
-       } else if (strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
+       } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
                rc = rwm_suffixmassage_config( be, fname, lineno, argc, argv );
 
+       } else if ( strcasecmp( argv[0], "t-f-support" ) == 0 ) {
+               if ( argc != 2 ) {
+                       fprintf( stderr,
+               "%s: line %d: \"t-f-support {no|yes|discover}\" needs 1 argument.\n",
+                                       fname, lineno );
+                       return( 1 );
+               }
+
+               if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
+                       rwmap->rwm_flags &= ~(RWM_F_SUPPORT_T_F|RWM_F_SUPPORT_T_F_DISCOVER);
+
+               } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
+                       rwmap->rwm_flags |= RWM_F_SUPPORT_T_F;
+
+#if 0
+               /* TODO: not implemented yet */
+               } else if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) {
+                       rwmap->rwm_flags |= RWM_F_SUPPORT_T_F_DISCOVER;
+#endif
+
+               } else {
+                       fprintf( stderr,
+       "%s: line %d: unknown value \"%s\" for \"t-f-support {no|yes|discover}\".\n",
+                               fname, lineno, argv[ 1 ] );
+                       return 1;
+               }
+
        } else {
                rc = SLAP_CONF_UNKNOWN;
        }
 
+       if ( argv0 ) {
+               argv[ 0 ] = argv0;
+       }
+
        return rc;
 }
 
 static int
-rwm_init(
+rwm_db_init(
        BackendDB *be
 )
 {
@@ -547,10 +1395,30 @@ rwm_init(
                ch_free( rwmap );
                return -1;
        }
+
+       {
+               char    *rargv[3];
+
+               /* this rewriteContext by default must be null;
+                * rules can be added if required */
+               rargv[ 0 ] = "rewriteContext";
+               rargv[ 1 ] = "searchFilter";
+               rargv[ 2 ] = NULL;
+               rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 1, 2, rargv );
+
+               rargv[ 0 ] = "rewriteContext";
+               rargv[ 1 ] = "default";
+               rargv[ 2 ] = NULL;
+               rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 2, 2, rargv );
+       }
+       
 #endif /* ENABLE_REWRITE */
 
-       rwm_map_init( &rwmap->rwm_oc, &mapping );
-       rwm_map_init( &rwmap->rwm_at, &mapping );
+       if ( rwm_map_init( &rwmap->rwm_oc, &mapping ) != LDAP_SUCCESS ||
+                       rwm_map_init( &rwmap->rwm_at, &mapping ) != LDAP_SUCCESS )
+       {
+               return 1;
+       }
 
        on->on_bi.bi_private = (void *)rwmap;
 
@@ -558,7 +1426,7 @@ rwm_init(
 }
 
 static int
-rwm_destroy(
+rwm_db_destroy(
        BackendDB *be
 )
 {
@@ -574,15 +1442,15 @@ rwm_destroy(
                        rewrite_info_delete( &rwmap->rwm_rw );
                }
 #else /* !ENABLE_REWRITE */
-               if ( rwmap->lrwm_suffix_massage ) {
+               if ( rwmap->rwm_suffix_massage ) {
                        ber_bvarray_free( rwmap->rwm_suffix_massage );
                }
 #endif /* !ENABLE_REWRITE */
 
                avl_free( rwmap->rwm_oc.remap, NULL );
-               avl_free( rwmap->rwm_oc.map, mapping_free );
+               avl_free( rwmap->rwm_oc.map, rwm_mapping_free );
                avl_free( rwmap->rwm_at.remap, NULL );
-               avl_free( rwmap->rwm_at.map, mapping_free );
+               avl_free( rwmap->rwm_at.map, rwm_mapping_free );
        }
 
        return rc;
@@ -591,26 +1459,40 @@ rwm_destroy(
 static slap_overinst rwm = { { NULL } };
 
 int
-init_module(void)
+rwm_init(void)
 {
-       memset( &rwm, 0, sizeof(slap_overinst) );
-
-       rwm.on_bi.bi_type = "rewrite-remap";
-       rwm.on_bi.bi_db_init = rwm_init;
-       rwm.on_bi.bi_db_config = rwm_config;
-       rwm.on_bi.bi_db_destroy = rwm_destroy;
-
-       rwm.on_bi.bi_op_bind = rwm_bind;
-       rwm.on_bi.bi_op_search = rwm_search;
-       rwm.on_bi.bi_op_compare = rwm_compare;
-       rwm.on_bi.bi_op_modify = rwm_modify;
-       rwm.on_bi.bi_op_modrdn = rwm_modrdn;
-       rwm.on_bi.bi_op_add = rwm_add;
-       rwm.on_bi.bi_op_delete = rwm_delete;
+       memset( &rwm, 0, sizeof( slap_overinst ) );
+
+       rwm.on_bi.bi_type = "rwm";
+
+       rwm.on_bi.bi_db_init = rwm_db_init;
+       rwm.on_bi.bi_db_config = rwm_db_config;
+       rwm.on_bi.bi_db_destroy = rwm_db_destroy;
+
+       rwm.on_bi.bi_op_bind = rwm_op_bind;
+       rwm.on_bi.bi_op_search = rwm_op_search;
+       rwm.on_bi.bi_op_compare = rwm_op_compare;
+       rwm.on_bi.bi_op_modify = rwm_op_modify;
+       rwm.on_bi.bi_op_modrdn = rwm_op_modrdn;
+       rwm.on_bi.bi_op_add = rwm_op_add;
+       rwm.on_bi.bi_op_delete = rwm_op_delete;
+       rwm.on_bi.bi_op_unbind = rwm_op_unbind;
        rwm.on_bi.bi_extended = rwm_extended;
 
+       rwm.on_bi.bi_operational = rwm_operational;
+       rwm.on_bi.bi_chk_referrals = 0 /* rwm_chk_referrals */ ;
+
        rwm.on_response = rwm_response;
 
        return overlay_register( &rwm );
 }
 
+#if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
+int
+init_module( int argc, char *argv[] )
+{
+       return rwm_init();
+}
+#endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
+
+#endif /* SLAPD_OVER_RWM */