]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/overlays/rwmmap.c
fix uninitialized bindref_time (found with valgrind)
[openldap] / servers / slapd / overlays / rwmmap.c
index 033e84b51c0aebfc57f5d339ef37d5685b4b6e93..73ef50377f69130a88c26f56cbbe4fca45767ba0 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1999-2004 The OpenLDAP Foundation.
+ * Copyright 1999-2011 The OpenLDAP Foundation.
  * Portions Copyright 1999-2003 Howard Chu.
  * Portions Copyright 2000-2003 Pierangelo Masarati.
  * All rights reserved.
@@ -71,7 +71,7 @@ rwm_map_init( struct ldapmap *lm, struct ldapmapping **m )
        const char              *text;
        int                     rc;
 
-       assert( m );
+       assert( m != NULL );
 
        *m = NULL;
        
@@ -81,20 +81,25 @@ rwm_map_init( struct ldapmap *lm, struct ldapmapping **m )
                return LDAP_NO_MEMORY;
        }
 
-       /* FIXME: I don't think this is needed any more... */
-       rc = slap_str2ad( "objectClass", &mapping->m_src_ad, &text );
+       /* NOTE: this is needed to make sure that
+        *      rwm-map attribute *
+        * does not  filter out all attributes including objectClass */
+       rc = slap_str2ad( "objectClass", &mapping[0].m_src_ad, &text );
        if ( rc != LDAP_SUCCESS ) {
+               ch_free( mapping );
                return rc;
        }
 
-       mapping->m_dst_ad = mapping->m_src_ad;
-       ber_dupbv( &mapping->m_dst, &mapping->m_src_ad->ad_cname );
-       ber_dupbv( &mapping->m_dst, &mapping->m_src );
+       mapping[0].m_dst_ad = mapping[0].m_src_ad;
+       ber_dupbv( &mapping[0].m_src, &mapping[0].m_src_ad->ad_cname );
+       ber_dupbv( &mapping[0].m_dst, &mapping[0].m_src );
 
-       mapping[1].m_src = mapping->m_src;
-       mapping[1].m_dst = mapping->m_dst;
+       mapping[1].m_src = mapping[0].m_src;
+       mapping[1].m_dst = mapping[0].m_dst;
+       mapping[1].m_src_ad = mapping[0].m_src_ad;
+       mapping[1].m_dst_ad = mapping[1].m_src_ad;
 
-       avl_insert( &lm->map, (caddr_t)mapping
+       avl_insert( &lm->map, (caddr_t)&mapping[0]
                        rwm_mapping_cmp, rwm_mapping_dup );
        avl_insert( &lm->remap, (caddr_t)&mapping[1], 
                        rwm_mapping_cmp, rwm_mapping_dup );
@@ -110,7 +115,20 @@ rwm_mapping( struct ldapmap *map, struct berval *s, struct ldapmapping **m, int
        Avlnode *tree;
        struct ldapmapping fmapping;
 
-       assert( m );
+       if ( map == NULL ) {
+               return 0;
+       }
+
+       assert( m != NULL );
+
+       /* let special attrnames slip through (ITS#5760) */
+       if ( bvmatch( s, slap_bv_no_attrs )
+               || bvmatch( s, slap_bv_all_user_attrs )
+               || bvmatch( s, slap_bv_all_operational_attrs ) )
+       {
+               *m = NULL;
+               return 0;
+       }
 
        if ( remap == RWM_REMAP ) {
                tree = map->remap;
@@ -135,6 +153,13 @@ rwm_map( struct ldapmap *map, struct berval *s, struct berval *bv, int remap )
 {
        struct ldapmapping *mapping;
 
+       /* map->map may be NULL when mapping is configured,
+        * but map->remap can't */
+       if ( map->remap == NULL ) {
+               *bv = *s;
+               return;
+       }
+
        BER_BVZERO( bv );
        ( void )rwm_mapping( map, s, &mapping, remap );
        if ( mapping != NULL ) {
@@ -154,26 +179,38 @@ rwm_map( struct ldapmap *map, struct berval *s, struct berval *bv, int remap )
  */
 int
 rwm_map_attrnames(
-               struct ldapmap *at_map,
-               struct ldapmap *oc_map,
-               AttributeName *an,
-               AttributeName **anp,
-               int remap
-)
+       Operation       *op,
+       struct ldapmap  *at_map,
+       struct ldapmap  *oc_map,
+       AttributeName   *an,
+       AttributeName   **anp,
+       int             remap )
 {
-       int             i, j;
+       int             i, j, x;
 
-       assert( anp );
+       assert( anp != NULL );
 
        *anp = NULL;
 
-       if ( an == NULL ) {
+       if ( an == NULL && op->o_bd->be_extra_anlist == NULL ) {
                return LDAP_SUCCESS;
        }
 
-       for ( i = 0; !BER_BVISNULL( &an[i].an_name ); i++ )
-               /* just count */ ;
-       *anp = ch_malloc( ( i + 1 )* sizeof( AttributeName ) );
+       i = 0;
+       if ( an != NULL ) {
+               for ( i = 0; !BER_BVISNULL( &an[i].an_name ); i++ )
+                       /* just count */ ;
+       }
+
+       x = 0;
+       if ( op->o_bd->be_extra_anlist ) {
+               for ( ; !BER_BVISNULL( &op->o_bd->be_extra_anlist[x].an_name ); x++ )
+                       /* just count */ ;
+       }
+
+       assert( i > 0 || x > 0 );
+       *anp = op->o_tmpcalloc( ( i + x + 1 ), sizeof( AttributeName ),
+               op->o_tmpmemctx );
        if ( *anp == NULL ) {
                return LDAP_NO_MEMORY;
        }
@@ -244,7 +281,6 @@ rwm_map_attrnames(
                        at_drop_missing = rwm_mapping( at_map, &an[i].an_name, &m, remap );
                
                        if ( at_drop_missing || !m ) {
-
                                oc_drop_missing = rwm_mapping( oc_map, &an[i].an_name, &m, remap );
 
                                /* if both at_map and oc_map required to drop missing,
@@ -296,22 +332,38 @@ rwm_map_attrnames(
                }
        }
 
-       if ( j == 0 && i != 0 ) {
+       if ( op->o_bd->be_extra_anlist != NULL ) {
+               /* we assume be_extra_anlist are already mapped */
+               for ( x = 0; !BER_BVISNULL( &op->o_bd->be_extra_anlist[x].an_name ); x++ ) {
+                       BER_BVZERO( &(*anp)[j].an_name );
+                       if ( op->o_bd->be_extra_anlist[x].an_desc &&
+                               ad_inlist( op->o_bd->be_extra_anlist[x].an_desc, *anp ) )
+                       {
+                               continue;
+                       }
+
+                       (*anp)[j] = op->o_bd->be_extra_anlist[x];
+                       j++;
+               }
+       }
+
+       if ( j == 0 && ( i != 0 || x != 0 ) ) {
                memset( &(*anp)[0], 0, sizeof( AttributeName ) );
-               BER_BVSTR( &(*anp)[0].an_name, LDAP_NO_ATTRS );
+               (*anp)[0].an_name = *slap_bv_no_attrs;
+               j = 1;
        }
        memset( &(*anp)[j], 0, sizeof( AttributeName ) );
 
        return LDAP_SUCCESS;
 }
 
+#if 0 /* unused! */
 int
 rwm_map_attrs(
-               struct ldapmap *at_map,
-               AttributeName *an,
-               int remap,
-               char ***mapped_attrs
-)
+       struct ldapmap  *at_map,
+       AttributeName   *an,
+       int             remap,
+       char            ***mapped_attrs )
 {
        int i, j;
        char **na;
@@ -321,209 +373,264 @@ rwm_map_attrs(
                return LDAP_SUCCESS;
        }
 
-       for ( i = 0; !BER_BVISNULL( &an[i].an_name ); i++ ) {
-               /*  */
-       }
+       for ( i = 0; !BER_BVISNULL( &an[ i ].an_name ); i++ )
+               /* count'em */ ;
 
        na = (char **)ch_calloc( i + 1, sizeof( char * ) );
-       if (na == NULL) {
+       if ( na == NULL ) {
                *mapped_attrs = NULL;
                return LDAP_NO_MEMORY;
        }
 
        for ( i = j = 0; !BER_BVISNULL( &an[i].an_name ); i++ ) {
-               struct ldapmapping      *m;
+               struct ldapmapping      *mapping;
                
-               if ( rwm_mapping( at_map, &an[i].an_name, &m, remap ) ) {
+               if ( rwm_mapping( at_map, &an[i].an_name, &mapping, remap ) ) {
                        continue;
                }
 
-               if ( !m || ( m && !BER_BVISNULL( &m->m_dst ) ) ) {
-                       na[j++] = m->m_dst.bv_val;
+               if ( !mapping ) {
+                       na[ j++ ] = an[ i ].an_name.bv_val;
+                       
+               } else if ( !BER_BVISNULL( &mapping->m_dst ) ) {
+                       na[ j++ ] = mapping->m_dst.bv_val;
                }
        }
+
        if ( j == 0 && i != 0 ) {
-               na[j++] = LDAP_NO_ATTRS;
+               na[ j++ ] = LDAP_NO_ATTRS;
        }
-       na[j] = NULL;
+
+       na[ j ] = NULL;
 
        *mapped_attrs = na;
+
        return LDAP_SUCCESS;
 }
+#endif
 
 static int
 map_attr_value(
-               dncookie                *dc,
-               AttributeDescription    *ad,
-               struct berval           *mapped_attr,
-               struct berval           *value,
-               struct berval           *mapped_value,
-               int                     remap )
+       dncookie                *dc,
+       AttributeDescription    **adp,
+       struct berval           *mapped_attr,
+       struct berval           *value,
+       struct berval           *mapped_value,
+       int                     remap,
+       void                    *memctx )
 {
-       struct berval           vtmp;
+       struct berval           vtmp = BER_BVNULL;
        int                     freeval = 0;
+       AttributeDescription    *ad = *adp;
+       struct ldapmapping      *mapping = NULL;
 
-       rwm_map( &dc->rwmap->rwm_at, &ad->ad_cname, mapped_attr, remap );
-       if ( BER_BVISNULL( mapped_attr ) || BER_BVISEMPTY( mapped_attr ) ) {
-               /*
-                * FIXME: are we sure we need to search oc_map if at_map fails?
-                */
-               rwm_map( &dc->rwmap->rwm_oc, &ad->ad_cname, mapped_attr, remap );
-               if ( BER_BVISNULL( mapped_attr ) || BER_BVISEMPTY( mapped_attr ) )
-               {
-                       *mapped_attr = ad->ad_cname;
+       rwm_mapping( &dc->rwmap->rwm_at, &ad->ad_cname, &mapping, remap );
+       if ( mapping == NULL ) {
+               if ( dc->rwmap->rwm_at.drop_missing ) {
+                       return -1;
                }
-       }
 
-       if ( value == NULL ) {
-               return 0;
+               *mapped_attr = ad->ad_cname;
+
+       } else {
+               *mapped_attr = mapping->m_dst;
        }
 
-       if ( ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName )
-       {
-               dncookie        fdc = *dc;
-               int             rc;
+       if ( value != NULL ) {
+               assert( mapped_value != NULL );
 
-#ifdef ENABLE_REWRITE
-               fdc.ctx = "searchFilterAttrDN";
-#endif /* ENABLE_REWRITE */
+               if ( ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
+                               || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
+               {
+                       dncookie        fdc = *dc;
+                       int             rc;
 
-               rc = rwm_dn_massage( &fdc, value, NULL, &vtmp );
-               switch ( rc ) {
-               case LDAP_SUCCESS:
-                       if ( vtmp.bv_val != value->bv_val ) {
-                               freeval = 1;
-                       }
-                       break;
+                       fdc.ctx = "searchFilterAttrDN";
+
+                       vtmp = *value;
+                       rc = rwm_dn_massage_normalize( &fdc, value, &vtmp );
+                       switch ( rc ) {
+                       case LDAP_SUCCESS:
+                               if ( vtmp.bv_val != value->bv_val ) {
+                                       freeval = 1;
+                               }
+                               break;
                
-               case LDAP_UNWILLING_TO_PERFORM:
-               case LDAP_OTHER:
-               default:
-                       return -1;
-               }
+                       case LDAP_UNWILLING_TO_PERFORM:
+                       case LDAP_OTHER:
+                       default:
+                               return -1;
+                       }
 
-       } else if ( ad == slap_schema.si_ad_objectClass
-                       || ad == slap_schema.si_ad_structuralObjectClass )
-       {
-               rwm_map( &dc->rwmap->rwm_oc, value, &vtmp, remap );
-               if ( BER_BVISNULL( &vtmp ) || BER_BVISEMPTY( &vtmp ) ) {
+               } else if ( ad->ad_type->sat_equality &&
+                       ( ad->ad_type->sat_equality->smr_usage & SLAP_MR_MUTATION_NORMALIZER ) )
+               {
+                       if ( ad->ad_type->sat_equality->smr_normalize(
+                               (SLAP_MR_DENORMALIZE|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX),
+                               NULL, NULL, value, &vtmp, memctx ) )
+                       {
+                               return -1;
+                       }
+                       freeval = 2;
+
+               } else if ( ad == slap_schema.si_ad_objectClass
+                               || ad == slap_schema.si_ad_structuralObjectClass )
+               {
+                       rwm_map( &dc->rwmap->rwm_oc, value, &vtmp, remap );
+                       if ( BER_BVISNULL( &vtmp ) || BER_BVISEMPTY( &vtmp ) ) {
+                               vtmp = *value;
+                       }
+               
+               } else {
                        vtmp = *value;
                }
-               
-       } else {
-               vtmp = *value;
-       }
 
-       filter_escape_value( &vtmp, mapped_value );
+               filter_escape_value_x( &vtmp, mapped_value, memctx );
+
+               switch ( freeval ) {
+               case 1:
+                       ch_free( vtmp.bv_val );
+                       break;
 
-       if ( freeval ) {
-               ch_free( vtmp.bv_val );
+               case 2:
+                       ber_memfree_x( vtmp.bv_val, memctx );
+                       break;
+               }
        }
        
+       if ( mapping != NULL ) {
+               assert( mapping->m_dst_ad != NULL );
+               *adp = mapping->m_dst_ad;
+       }
+
        return 0;
 }
 
 static int
 rwm_int_filter_map_rewrite(
-               dncookie                *dc,
-               Filter                  *f,
-               struct berval           *fstr )
+       Operation               *op,
+       dncookie                *dc,
+       Filter                  *f,
+       struct berval           *fstr )
 {
        int             i;
        Filter          *p;
+       AttributeDescription *ad;
        struct berval   atmp,
                        vtmp,
-                       tmp;
+                       *tmp;
        static struct berval
-                       ber_bvfalse = BER_BVC( "(?=false)" ),
-                       ber_bvtrue = BER_BVC( "(?=true)" ),
+                       /* better than nothing... */
+                       ber_bvfalse = BER_BVC( "(!(objectClass=*))" ),
+                       ber_bvtf_false = BER_BVC( "(|)" ),
+                       /* better than nothing... */
+                       ber_bvtrue = BER_BVC( "(objectClass=*)" ),
+                       ber_bvtf_true = BER_BVC( "(&)" ),
+#if 0
+                       /* no longer needed; preserved for completeness */
                        ber_bvundefined = BER_BVC( "(?=undefined)" ),
+#endif
                        ber_bverror = BER_BVC( "(?=error)" ),
                        ber_bvunknown = BER_BVC( "(?=unknown)" ),
                        ber_bvnone = BER_BVC( "(?=none)" );
        ber_len_t       len;
 
+       assert( fstr != NULL );
+       BER_BVZERO( fstr );
+
        if ( f == NULL ) {
-               ber_dupbv( fstr, &ber_bvnone );
-               return -1;
+               ber_dupbv_x( fstr, &ber_bvnone, op->o_tmpmemctx );
+               return LDAP_OTHER;
+       }
+
+#if 0
+       /* ITS#6814: give the caller a chance to use undefined filters */
+       if ( f->f_choice & SLAPD_FILTER_UNDEFINED ) {
+               goto computed;
        }
+#endif
 
-       switch ( f->f_choice ) {
+       switch ( f->f_choice & SLAPD_FILTER_MASK ) {
        case LDAP_FILTER_EQUALITY:
-               if ( map_attr_value( dc, f->f_av_desc, &atmp,
-                                       &f->f_av_value, &vtmp, RWM_MAP ) )
+               ad = f->f_av_desc;
+               if ( map_attr_value( dc, &ad, &atmp,
+                       &f->f_av_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
                {
-                       return -1;
+                       goto computed;
                }
 
                fstr->bv_len = atmp.bv_len + vtmp.bv_len + STRLENOF( "(=)" );
-               fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
+               fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 
                snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=%s)",
-                       atmp.bv_val, vtmp.bv_val );
+                       atmp.bv_val, vtmp.bv_len ? vtmp.bv_val : "" );
 
-               ch_free( vtmp.bv_val );
+               op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_GE:
-               if ( map_attr_value( dc, f->f_av_desc, &atmp,
-                                       &f->f_av_value, &vtmp, RWM_MAP ) )
+               ad = f->f_av_desc;
+               if ( map_attr_value( dc, &ad, &atmp,
+                       &f->f_av_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
                {
-                       return -1;
+                       goto computed;
                }
 
                fstr->bv_len = atmp.bv_len + vtmp.bv_len + STRLENOF( "(>=)" );
-               fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
+               fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 
                snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s>=%s)",
-                       atmp.bv_val, vtmp.bv_val );
+                       atmp.bv_val, vtmp.bv_len ? vtmp.bv_val : "" );
 
-               ch_free( vtmp.bv_val );
+               op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_LE:
-               if ( map_attr_value( dc, f->f_av_desc, &atmp,
-                                       &f->f_av_value, &vtmp, RWM_MAP ) )
+               ad = f->f_av_desc;
+               if ( map_attr_value( dc, &ad, &atmp,
+                       &f->f_av_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
                {
-                       return -1;
+                       goto computed;
                }
 
                fstr->bv_len = atmp.bv_len + vtmp.bv_len + STRLENOF( "(<=)" );
-               fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
+               fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 
                snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s<=%s)",
-                       atmp.bv_val, vtmp.bv_val );
+                       atmp.bv_val, vtmp.bv_len ? vtmp.bv_val : "" );
 
-               ch_free( vtmp.bv_val );
+               op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_APPROX:
-               if ( map_attr_value( dc, f->f_av_desc, &atmp,
-                                       &f->f_av_value, &vtmp, RWM_MAP ) )
+               ad = f->f_av_desc;
+               if ( map_attr_value( dc, &ad, &atmp,
+                       &f->f_av_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
                {
-                       return -1;
+                       goto computed;
                }
 
                fstr->bv_len = atmp.bv_len + vtmp.bv_len + STRLENOF( "(~=)" );
-               fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
+               fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 
                snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s~=%s)",
-                       atmp.bv_val, vtmp.bv_val );
+                       atmp.bv_val, vtmp.bv_len ? vtmp.bv_val : "" );
 
-               ch_free( vtmp.bv_val );
+               op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
-               if ( map_attr_value( dc, f->f_sub_desc, &atmp,
-                                       NULL, NULL, RWM_MAP ) )
+               ad = f->f_sub_desc;
+               if ( map_attr_value( dc, &ad, &atmp,
+                       NULL, NULL, RWM_MAP, op->o_tmpmemctx ) )
                {
-                       return -1;
+                       goto computed;
                }
 
                /* cannot be a DN ... */
 
                fstr->bv_len = atmp.bv_len + STRLENOF( "(=*)" );
-               fstr->bv_val = ch_malloc( fstr->bv_len + 128 );
+               fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
 
                snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
                        atmp.bv_val );
@@ -531,59 +638,64 @@ rwm_int_filter_map_rewrite(
                if ( !BER_BVISNULL( &f->f_sub_initial ) ) {
                        len = fstr->bv_len;
 
-                       filter_escape_value( &f->f_sub_initial, &vtmp );
+                       filter_escape_value_x( &f->f_sub_initial, &vtmp, op->o_tmpmemctx );
 
                        fstr->bv_len += vtmp.bv_len;
-                       fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
+                       fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
+                               op->o_tmpmemctx );
 
                        snprintf( &fstr->bv_val[len - 2], vtmp.bv_len + 3,
                                /* "(attr=" */ "%s*)",
-                               vtmp.bv_val );
+                               vtmp.bv_len ? vtmp.bv_val : "" );
 
-                       ch_free( vtmp.bv_val );
+                       op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
                }
 
                if ( f->f_sub_any != NULL ) {
                        for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ ) {
                                len = fstr->bv_len;
-                               filter_escape_value( &f->f_sub_any[i], &vtmp );
+                               filter_escape_value_x( &f->f_sub_any[i], &vtmp,
+                                       op->o_tmpmemctx );
 
                                fstr->bv_len += vtmp.bv_len + 1;
-                               fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
+                               fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
+                                       op->o_tmpmemctx );
 
                                snprintf( &fstr->bv_val[len - 1], vtmp.bv_len + 3,
                                        /* "(attr=[init]*[any*]" */ "%s*)",
-                                       vtmp.bv_val );
-                               ch_free( vtmp.bv_val );
+                                       vtmp.bv_len ? vtmp.bv_val : "" );
+                               op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
                        }
                }
 
                if ( !BER_BVISNULL( &f->f_sub_final ) ) {
                        len = fstr->bv_len;
 
-                       filter_escape_value( &f->f_sub_final, &vtmp );
+                       filter_escape_value_x( &f->f_sub_final, &vtmp, op->o_tmpmemctx );
 
                        fstr->bv_len += vtmp.bv_len;
-                       fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
+                       fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
+                               op->o_tmpmemctx );
 
                        snprintf( &fstr->bv_val[len - 1], vtmp.bv_len + 3,
                                /* "(attr=[init*][any*]" */ "%s)",
-                               vtmp.bv_val );
+                               vtmp.bv_len ? vtmp.bv_val : "" );
 
-                       ch_free( vtmp.bv_val );
+                       op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
                }
 
                break;
 
        case LDAP_FILTER_PRESENT:
-               if ( map_attr_value( dc, f->f_desc, &atmp,
-                                       NULL, NULL, RWM_MAP ) )
+               ad = f->f_desc;
+               if ( map_attr_value( dc, &ad, &atmp,
+                       NULL, NULL, RWM_MAP, op->o_tmpmemctx ) )
                {
-                       return -1;
+                       goto computed;
                }
 
                fstr->bv_len = atmp.bv_len + STRLENOF( "(=*)" );
-               fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
+               fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 
                snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
                        atmp.bv_val );
@@ -593,42 +705,46 @@ rwm_int_filter_map_rewrite(
        case LDAP_FILTER_OR:
        case LDAP_FILTER_NOT:
                fstr->bv_len = STRLENOF( "(%)" );
-               fstr->bv_val = ch_malloc( fstr->bv_len + 128 );
+               fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
 
                snprintf( fstr->bv_val, fstr->bv_len + 1, "(%c)",
                        f->f_choice == LDAP_FILTER_AND ? '&' :
                        f->f_choice == LDAP_FILTER_OR ? '|' : '!' );
 
                for ( p = f->f_list; p != NULL; p = p->f_next ) {
+                       int     rc;
+
                        len = fstr->bv_len;
 
-                       if ( rwm_int_filter_map_rewrite( dc, p, &vtmp ) )
-                       {
-                               return -1;
+                       rc = rwm_int_filter_map_rewrite( op, dc, p, &vtmp );
+                       if ( rc != LDAP_SUCCESS ) {
+                               return rc;
                        }
                        
                        fstr->bv_len += vtmp.bv_len;
-                       fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
+                       fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
+                               op->o_tmpmemctx );
 
                        snprintf( &fstr->bv_val[len-1], vtmp.bv_len + 2, 
-                               /*"("*/ "%s)", vtmp.bv_val );
+                               /*"("*/ "%s)", vtmp.bv_len ? vtmp.bv_val : "" );
 
-                       ch_free( vtmp.bv_val );
+                       op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
                }
 
                break;
 
        case LDAP_FILTER_EXT: {
                if ( f->f_mr_desc ) {
-                       if ( map_attr_value( dc, f->f_mr_desc, &atmp,
-                                               &f->f_mr_value, &vtmp, RWM_MAP ) )
+                       ad = f->f_mr_desc;
+                       if ( map_attr_value( dc, &ad, &atmp,
+                               &f->f_mr_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
                        {
-                               return -1;
+                               goto computed;
                        }
 
                } else {
                        BER_BVSTR( &atmp, "" );
-                       filter_escape_value( &f->f_mr_value, &vtmp );
+                       filter_escape_value_x( &f->f_mr_value, &vtmp, op->o_tmpmemctx );
                }
                        
 
@@ -636,62 +752,75 @@ rwm_int_filter_map_rewrite(
                        ( f->f_mr_dnattrs ? STRLENOF( ":dn" ) : 0 ) +
                        ( f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_len + 1 : 0 ) +
                        vtmp.bv_len + STRLENOF( "(:=)" );
-               fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
+               fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 
                snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s:=%s)",
                        atmp.bv_val,
                        f->f_mr_dnattrs ? ":dn" : "",
                        !BER_BVISEMPTY( &f->f_mr_rule_text ) ? ":" : "",
                        !BER_BVISEMPTY( &f->f_mr_rule_text ) ? f->f_mr_rule_text.bv_val : "",
-                       vtmp.bv_val );
-               ch_free( vtmp.bv_val );
+                       vtmp.bv_len ? vtmp.bv_val : "" );
+               op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
                break;
        }
 
+       case -1:
+computed:;
+               filter_free_x( op, f, 0 );
+               f->f_choice = SLAPD_FILTER_COMPUTED;
+               f->f_result = SLAPD_COMPARE_UNDEFINED;
+               /* fallthru */
+
        case SLAPD_FILTER_COMPUTED:
                switch ( f->f_result ) {
                case LDAP_COMPARE_FALSE:
-                       tmp = ber_bvfalse;
+               /* FIXME: treat UNDEFINED as FALSE */
+               case SLAPD_COMPARE_UNDEFINED:
+                       if ( dc->rwmap->rwm_flags & RWM_F_SUPPORT_T_F ) {
+                               tmp = &ber_bvtf_false;
+                               break;
+                       }
+                       tmp = &ber_bvfalse;
                        break;
 
                case LDAP_COMPARE_TRUE:
-                       tmp = ber_bvtrue;
-                       break;
-                       
-               case SLAPD_COMPARE_UNDEFINED:
-                       tmp = ber_bvundefined;
+                       if ( dc->rwmap->rwm_flags & RWM_F_SUPPORT_T_F ) {
+                               tmp = &ber_bvtf_true;
+                               break;
+                       }
+                       tmp = &ber_bvtrue;
                        break;
                        
                default:
-                       tmp = ber_bverror;
+                       tmp = &ber_bverror;
                        break;
                }
 
-               ber_dupbv( fstr, &tmp );
+               ber_dupbv_x( fstr, tmp, op->o_tmpmemctx );
                break;
                
        default:
-               ber_dupbv( fstr, &ber_bvunknown );
+               ber_dupbv_x( fstr, &ber_bvunknown, op->o_tmpmemctx );
                break;
        }
 
-       return 0;
+       return LDAP_SUCCESS;
 }
 
 int
 rwm_filter_map_rewrite(
-               dncookie                *dc,
-               Filter                  *f,
-               struct berval           *fstr )
+       Operation               *op,
+       dncookie                *dc,
+       Filter                  *f,
+       struct berval           *fstr )
 {
        int             rc;
        dncookie        fdc;
        struct berval   ftmp;
 
-       rc = rwm_int_filter_map_rewrite( dc, f, fstr );
+       rc = rwm_int_filter_map_rewrite( op, dc, f, fstr );
 
-#ifdef ENABLE_REWRITE
-       if ( rc != LDAP_SUCCESS ) {
+       if ( rc != 0 ) {
                return rc;
        }
 
@@ -707,7 +836,6 @@ rwm_filter_map_rewrite(
        case REWRITE_REGEXEC_OK:
                if ( !BER_BVISNULL( fstr ) ) {
                        fstr->bv_len = strlen( fstr->bv_val );
-                       ch_free( ftmp.bv_val );
 
                } else {
                        *fstr = ftmp;
@@ -716,6 +844,11 @@ rwm_filter_map_rewrite(
                Debug( LDAP_DEBUG_ARGS,
                        "[rw] %s: \"%s\" -> \"%s\"\n",
                        fdc.ctx, ftmp.bv_val, fstr->bv_val );           
+               if ( fstr->bv_val != ftmp.bv_val ) {
+                       ber_bvreplace_x( &ftmp, fstr, op->o_tmpmemctx );
+                       ch_free( fstr->bv_val );
+                       *fstr = ftmp;
+               }
                rc = LDAP_SUCCESS;
                break;
                
@@ -724,6 +857,7 @@ rwm_filter_map_rewrite(
                        fdc.rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
                        fdc.rs->sr_text = "Operation not allowed";
                }
+               op->o_tmpfree( ftmp.bv_val, op->o_tmpmemctx );
                rc = LDAP_UNWILLING_TO_PERFORM;
                break;
                
@@ -732,11 +866,11 @@ rwm_filter_map_rewrite(
                        fdc.rs->sr_err = LDAP_OTHER;
                        fdc.rs->sr_text = "Rewrite error";
                }
+               op->o_tmpfree( ftmp.bv_val, op->o_tmpmemctx );
                rc = LDAP_OTHER;
                break;
        }
 
-#endif /* ENABLE_REWRITE */
        return rc;
 }
 
@@ -762,36 +896,33 @@ rwm_referral_rewrite(
        int                     i, last;
 
        dncookie                dc;
-       struct berval           dn, ndn, *ndnp = NULL;
+       struct berval           dn = BER_BVNULL,
+                               ndn = BER_BVNULL;
 
-       assert( a_vals );
+       assert( a_vals != NULL );
 
        /*
         * Rewrite the dn if needed
         */
        dc.rwmap = rwmap;
-#ifdef ENABLE_REWRITE
        dc.conn = op->o_conn;
        dc.rs = rs;
        dc.ctx = (char *)cookie;
-#else /* ! ENABLE_REWRITE */
-       dc.tofrom = ((int *)cookie)[0];
-       dc.normalized = 0;
-#endif /* ! ENABLE_REWRITE */
 
-       for ( last = 0; !BER_BVISNULL( &a_vals[last] ); last++ );
+       for ( last = 0; !BER_BVISNULL( &a_vals[last] ); last++ )
+               ;
+       last--;
+       
        if ( pa_nvals != NULL ) {
-               ndnp = &ndn;
-
                if ( *pa_nvals == NULL ) {
-                       *pa_nvals = ch_malloc( last * sizeof(struct berval) );
-                       memset( *pa_nvals, 0, last * sizeof(struct berval) );
+                       *pa_nvals = ch_malloc( ( last + 2 ) * sizeof(struct berval) );
+                       memset( *pa_nvals, 0, ( last + 2 ) * sizeof(struct berval) );
                }
        }
-       last--;
 
        for ( i = 0; !BER_BVISNULL( &a_vals[i] ); i++ ) {
-               struct berval   olddn, oldval;
+               struct berval   olddn = BER_BVNULL,
+                               oldval;
                int             rc;
                LDAPURLDesc     *ludp;
 
@@ -804,9 +935,26 @@ rwm_referral_rewrite(
                        }
                        continue;
                }
+
+               /* FIXME: URLs like "ldap:///dc=suffix" if passed
+                * thru ldap_url_parse() and ldap_url_desc2str() 
+                * get rewritten as "ldap:///dc=suffix??base";
+                * we don't want this to occur... */
+               if ( ludp->lud_scope == LDAP_SCOPE_BASE ) {
+                       ludp->lud_scope = LDAP_SCOPE_DEFAULT;
+               }
+
                ber_str2bv( ludp->lud_dn, 0, 0, &olddn );
 
-               rc = rwm_dn_massage( &dc, &olddn, &dn, ndnp );
+               dn = olddn;
+               if ( pa_nvals ) {
+                       ndn = olddn;
+                       rc = rwm_dn_massage_pretty_normalize( &dc, &olddn,
+                                       &dn, &ndn );
+               } else {
+                       rc = rwm_dn_massage_pretty( &dc, &olddn, &dn );
+               }
+
                switch ( rc ) {
                case LDAP_UNWILLING_TO_PERFORM:
                        /*
@@ -834,21 +982,27 @@ rwm_referral_rewrite(
 
                                ludp->lud_dn = dn.bv_val;
                                newurl = ldap_url_desc2str( ludp );
+                               ludp->lud_dn = olddn.bv_val;
+                               ch_free( dn.bv_val );
                                if ( newurl == NULL ) {
                                        /* FIXME: leave attr untouched
-                                        * even if ldap_url_desc2str failed... */
+                                        * even if ldap_url_desc2str failed...
+                                        */
                                        break;
                                }
 
                                ber_str2bv( newurl, 0, 1, &a_vals[i] );
-                               LDAP_FREE( newurl );
+                               ber_memfree( newurl );
 
                                if ( pa_nvals ) {
                                        ludp->lud_dn = ndn.bv_val;
                                        newurl = ldap_url_desc2str( ludp );
+                                       ludp->lud_dn = olddn.bv_val;
+                                       ch_free( ndn.bv_val );
                                        if ( newurl == NULL ) {
                                                /* FIXME: leave attr untouched
-                                                * even if ldap_url_desc2str failed... */
+                                                * even if ldap_url_desc2str failed...
+                                                */
                                                ch_free( a_vals[i].bv_val );
                                                a_vals[i] = oldval;
                                                break;
@@ -858,7 +1012,7 @@ rwm_referral_rewrite(
                                                ch_free( (*pa_nvals)[i].bv_val );
                                        }
                                        ber_str2bv( newurl, 0, 1, &(*pa_nvals)[i] );
-                                       LDAP_FREE( newurl );
+                                       ber_memfree( newurl );
                                }
 
                                ch_free( oldval.bv_val );
@@ -901,12 +1055,12 @@ rwm_dnattr_rewrite(
        int                     i, last;
 
        dncookie                dc;
-       struct berval           dn, *dnp = NULL, ndn, *ndnp = NULL;
+       struct berval           dn = BER_BVNULL,
+                               ndn = BER_BVNULL;
        BerVarray               in;
 
        if ( a_vals ) {
                in = a_vals;
-               dnp = &dn;
 
        } else {
                if ( pa_nvals == NULL || *pa_nvals == NULL ) {
@@ -919,30 +1073,35 @@ rwm_dnattr_rewrite(
         * Rewrite the dn if needed
         */
        dc.rwmap = rwmap;
-#ifdef ENABLE_REWRITE
        dc.conn = op->o_conn;
        dc.rs = rs;
        dc.ctx = (char *)cookie;
-#else /* ! ENABLE_REWRITE */
-       dc.tofrom = ((int *)cookie)[0];
-       dc.normalized = 0;
-#endif /* ! ENABLE_REWRITE */
 
        for ( last = 0; !BER_BVISNULL( &in[last] ); last++ );
+       last--;
        if ( pa_nvals != NULL ) {
-               ndnp = &ndn;
-
                if ( *pa_nvals == NULL ) {
-                       *pa_nvals = ch_malloc( last * sizeof(struct berval) );
-                       memset( *pa_nvals, 0, last * sizeof(struct berval) );
+                       *pa_nvals = ch_malloc( ( last + 2 ) * sizeof(struct berval) );
+                       memset( *pa_nvals, 0, ( last + 2 ) * sizeof(struct berval) );
                }
        }
-       last--;
 
        for ( i = 0; !BER_BVISNULL( &in[i] ); i++ ) {
                int             rc;
 
-               rc = rwm_dn_massage( &dc, &in[i], dnp, ndnp );
+               if ( a_vals ) {
+                       dn = in[i];
+                       if ( pa_nvals ) {
+                               ndn = (*pa_nvals)[i];
+                               rc = rwm_dn_massage_pretty_normalize( &dc, &in[i], &dn, &ndn );
+                       } else {
+                               rc = rwm_dn_massage_pretty( &dc, &in[i], &dn );
+                       }
+               } else {
+                       ndn = in[i];
+                       rc = rwm_dn_massage_normalize( &dc, &in[i], &ndn );
+               }
+
                switch ( rc ) {
                case LDAP_UNWILLING_TO_PERFORM:
                        /*
@@ -979,8 +1138,6 @@ rwm_dnattr_rewrite(
                                }
                                
                        } else {
-                               assert( ndnp != NULL );
-
                                if ( !BER_BVISNULL( &ndn ) && ndn.bv_val != (*pa_nvals)[i].bv_val ) {
                                        ch_free( (*pa_nvals)[i].bv_val );
                                        (*pa_nvals)[i] = ndn;
@@ -1003,8 +1160,7 @@ rwm_dnattr_rewrite(
 int
 rwm_referral_result_rewrite(
        dncookie                *dc,
-       BerVarray               a_vals
-)
+       BerVarray               a_vals )
 {
        int             i, last;
 
@@ -1012,7 +1168,8 @@ rwm_referral_result_rewrite(
        last--;
 
        for ( i = 0; !BER_BVISNULL( &a_vals[i] ); i++ ) {
-               struct berval   dn, olddn;
+               struct berval   dn,
+                               olddn = BER_BVNULL;
                int             rc;
                LDAPURLDesc     *ludp;
 
@@ -1022,9 +1179,18 @@ rwm_referral_result_rewrite(
                        continue;
                }
 
+               /* FIXME: URLs like "ldap:///dc=suffix" if passed
+                * thru ldap_url_parse() and ldap_url_desc2str()
+                * get rewritten as "ldap:///dc=suffix??base";
+                * we don't want this to occur... */
+               if ( ludp->lud_scope == LDAP_SCOPE_BASE ) {
+                       ludp->lud_scope = LDAP_SCOPE_DEFAULT;
+               }
+
                ber_str2bv( ludp->lud_dn, 0, 0, &olddn );
-               
-               rc = rwm_dn_massage( dc, &olddn, &dn, NULL );
+
+               dn = olddn;
+               rc = rwm_dn_massage_pretty( dc, &olddn, &dn );
                switch ( rc ) {
                case LDAP_UNWILLING_TO_PERFORM:
                        /*
@@ -1050,13 +1216,14 @@ rwm_referral_result_rewrite(
                                newurl = ldap_url_desc2str( ludp );
                                if ( newurl == NULL ) {
                                        /* FIXME: leave attr untouched
-                                        * even if ldap_url_desc2str failed... */
+                                        * even if ldap_url_desc2str failed...
+                                        */
                                        break;
                                }
 
                                ch_free( a_vals[i].bv_val );
                                ber_str2bv( newurl, 0, 1, &a_vals[i] );
-                               LDAP_FREE( newurl );
+                               ber_memfree( newurl );
                                ludp->lud_dn = olddn.bv_val;
                        }
                        break;
@@ -1071,8 +1238,8 @@ rwm_referral_result_rewrite(
 int
 rwm_dnattr_result_rewrite(
        dncookie                *dc,
-       BerVarray               a_vals
-)
+       BerVarray               a_vals,
+       BerVarray               a_nvals )
 {
        int             i, last;
 
@@ -1080,10 +1247,11 @@ rwm_dnattr_result_rewrite(
        last--;
 
        for ( i = 0; !BER_BVISNULL( &a_vals[i] ); i++ ) {
-               struct berval   dn;
+               struct berval   pdn, ndn = BER_BVNULL;
                int             rc;
                
-               rc = rwm_dn_massage( dc, &a_vals[i], &dn, NULL );
+               pdn = a_vals[i];
+               rc = rwm_dn_massage_pretty_normalize( dc, &a_vals[i], &pdn, &ndn );
                switch ( rc ) {
                case LDAP_UNWILLING_TO_PERFORM:
                        /*
@@ -1091,19 +1259,27 @@ rwm_dnattr_result_rewrite(
                         * legal to trim values when adding/modifying;
                         * it should be when searching (e.g. ACLs).
                         */
+                       assert( a_vals[i].bv_val != a_nvals[i].bv_val );
                        ch_free( a_vals[i].bv_val );
+                       ch_free( a_nvals[i].bv_val );
                        if ( last > i ) {
                                a_vals[i] = a_vals[last];
+                               a_nvals[i] = a_nvals[last];
                        }
                        BER_BVZERO( &a_vals[last] );
+                       BER_BVZERO( &a_nvals[last] );
                        last--;
                        break;
 
                default:
                        /* leave attr untouched if massage failed */
-                       if ( !BER_BVISNULL( &dn ) && a_vals[i].bv_val != dn.bv_val ) {
+                       if ( !BER_BVISNULL( &pdn ) && a_vals[i].bv_val != pdn.bv_val ) {
                                ch_free( a_vals[i].bv_val );
-                               a_vals[i] = dn;
+                               a_vals[i] = pdn;
+                       }
+                       if ( !BER_BVISNULL( &ndn ) && a_nvals[i].bv_val != ndn.bv_val ) {
+                               ch_free( a_nvals[i].bv_val );
+                               a_nvals[i] = ndn;
                        }
                        break;
                }
@@ -1112,6 +1288,16 @@ rwm_dnattr_result_rewrite(
        return 0;
 }
 
+void
+rwm_mapping_dst_free( void *v_mapping )
+{
+       struct ldapmapping *mapping = v_mapping;
+
+       if ( BER_BVISEMPTY( &mapping[0].m_dst ) ) {
+               rwm_mapping_free( &mapping[ -1 ] );
+       }
+}
+
 void
 rwm_mapping_free( void *v_mapping )
 {