]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/filter.c
import fix to ITS#4989
[openldap] / servers / slapd / filter.c
index f8f2d121d30348f03f3e33ac48acf655b8a5b040..d94a1ab47d306f09b3756d3e1c8f146bf71b0428 100644 (file)
@@ -1,8 +1,27 @@
 /* filter.c - routines for parsing and dealing with filters */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 The OpenLDAP Foundation.
+ * 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>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
  */
 
 #include "portable.h"
 #include "slap.h"
 
 static int     get_filter_list(
-       Connection *conn,
+       Operation *op,
        BerElement *ber,
        Filter **f,
        const char **text );
 
-static int     get_substring_filter(
-       Connection *conn,
+static int     get_ssa(
+       Operation *op,
        BerElement *ber,
-       Filter *f,
+       SubstringsAssertion **s,
        const char **text );
 
 static void simple_vrFilter2bv(
+       Operation *op,
        ValuesReturnFilter *f,
        struct berval *fstr );
 
 static int     get_simple_vrFilter(
-       Connection *conn,
+       Operation *op,
        BerElement *ber,
        ValuesReturnFilter **f,
        const char **text );
 
-
 int
 get_filter(
-       Connection *conn,
+       Operation *op,
        BerElement *ber,
        Filter **filt,
        const char **text )
@@ -47,13 +66,9 @@ get_filter(
        ber_tag_t       tag;
        ber_len_t       len;
        int             err;
-       Filter          *f;
+       Filter          f;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, "get_filter: conn %d\n", conn->c_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "begin get_filter\n", 0, 0, 0 );
-#endif
        /*
         * A filter looks like this coming in:
         *      Filter ::= CHOICE {
@@ -94,212 +109,187 @@ get_filter(
                return SLAPD_DISCONNECT;
        }
 
-       f = (Filter *) ch_malloc( sizeof(Filter) );
-       f->f_next = NULL;
-
        err = LDAP_SUCCESS;
-       f->f_choice = tag; 
 
-       switch ( f->f_choice ) {
+       f.f_next = NULL;
+       f.f_choice = tag; 
+
+       switch ( f.f_choice ) {
        case LDAP_FILTER_EQUALITY:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL2, 
-                       "get_filter: conn %d  EQUALITY\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
-#endif
-               err = get_ava( ber, &f->f_ava, SLAP_MR_EQUALITY, text );
+               err = get_ava( op, ber, &f.f_ava, SLAP_MR_EQUALITY, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
 
-               assert( f->f_ava != NULL );
+               assert( f.f_ava != NULL );
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  SUBSTRINGS\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
-#endif
-               err = get_substring_filter( conn, ber, f, text );
+               err = get_ssa( op, ber, &f.f_sub, text );
                if( err != LDAP_SUCCESS ) {
                        break;
                }
-               assert( f->f_sub != NULL );
+               assert( f.f_sub != NULL );
                break;
 
        case LDAP_FILTER_GE:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  GE\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
-#endif
-               err = get_ava( ber, &f->f_ava, SLAP_MR_ORDERING, text );
+               err = get_ava( op, ber, &f.f_ava, SLAP_MR_ORDERING, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
-               assert( f->f_ava != NULL );
+               assert( f.f_ava != NULL );
                break;
 
        case LDAP_FILTER_LE:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  LE\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
-#endif
-               err = get_ava( ber, &f->f_ava, SLAP_MR_ORDERING, text );
+               err = get_ava( op, ber, &f.f_ava, SLAP_MR_ORDERING, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
-               assert( f->f_ava != NULL );
+               assert( f.f_ava != NULL );
                break;
 
        case LDAP_FILTER_PRESENT: {
                struct berval type;
 
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d PRESENT\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
-#endif
                if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
                        err = SLAPD_DISCONNECT;
                        *text = "error decoding filter";
                        break;
                }
 
-               f->f_desc = NULL;
-               err = slap_bv2ad( &type, &f->f_desc, text );
+               f.f_desc = NULL;
+               err = slap_bv2ad( &type, &f.f_desc, text );
 
                if( err != LDAP_SUCCESS ) {
-                       /* unrecognized attribute description or other error */
-                       f->f_choice = SLAPD_FILTER_COMPUTED;
-                       f->f_result = LDAP_COMPARE_FALSE;
-                       err = LDAP_SUCCESS;
-                       break;
+                       err = slap_bv2undef_ad( &type, &f.f_desc, text,
+                               SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
+
+                       if ( err != LDAP_SUCCESS ) {
+                               /* unrecognized attribute description or other error */
+                               Debug( LDAP_DEBUG_ANY, 
+                                       "get_filter: conn %lu unknown attribute "
+                                       "type=%s (%d)\n",
+                                       op->o_connid, type.bv_val, err );
+
+                               f.f_choice = SLAPD_FILTER_COMPUTED;
+                               f.f_result = LDAP_COMPARE_FALSE;
+                               err = LDAP_SUCCESS;
+                               *text = NULL;
+                               break;
+                       }
                }
+
+               assert( f.f_desc != NULL );
                } break;
 
        case LDAP_FILTER_APPROX:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  APPROX\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
-#endif
-               err = get_ava( ber, &f->f_ava, SLAP_MR_EQUALITY_APPROX, text );
+               err = get_ava( op, ber, &f.f_ava, SLAP_MR_EQUALITY_APPROX, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
-               assert( f->f_ava != NULL );
+               assert( f.f_ava != NULL );
                break;
 
        case LDAP_FILTER_AND:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  AND\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "AND\n", 0, 0, 0 );
-#endif
-               err = get_filter_list( conn, ber, &f->f_and, text );
+               err = get_filter_list( op, ber, &f.f_and, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
-               assert( f->f_and != NULL );
+               if ( f.f_and == NULL ) {
+                       f.f_choice = SLAPD_FILTER_COMPUTED;
+                       f.f_result = LDAP_COMPARE_TRUE;
+               }
+               /* no assert - list could be empty */
                break;
 
        case LDAP_FILTER_OR:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  OR\n", conn->c_connid, 0, 0  );
-#else
                Debug( LDAP_DEBUG_FILTER, "OR\n", 0, 0, 0 );
-#endif
-               err = get_filter_list( conn, ber, &f->f_or, text );
+               err = get_filter_list( op, ber, &f.f_or, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
-               assert( f->f_or != NULL );
+               if ( f.f_or == NULL ) {
+                       f.f_choice = SLAPD_FILTER_COMPUTED;
+                       f.f_result = LDAP_COMPARE_FALSE;
+               }
+               /* no assert - list could be empty */
                break;
 
        case LDAP_FILTER_NOT:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  NOT\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "NOT\n", 0, 0, 0 );
-#endif
                (void) ber_skip_tag( ber, &len );
-               err = get_filter( conn, ber, &f->f_not, text );
+               err = get_filter( op, ber, &f.f_not, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
-               assert( f->f_not != NULL );
+
+               assert( f.f_not != NULL );
+               if ( f.f_not->f_choice == SLAPD_FILTER_COMPUTED ) {
+                       int fresult = f.f_not->f_result;
+                       f.f_choice = SLAPD_FILTER_COMPUTED;
+                       op->o_tmpfree( f.f_not, op->o_tmpmemctx );
+                       f.f_not = NULL;
+
+                       switch( fresult ) {
+                       case LDAP_COMPARE_TRUE:
+                               f.f_result = LDAP_COMPARE_FALSE;
+                               break;
+                       case LDAP_COMPARE_FALSE:
+                               f.f_result = LDAP_COMPARE_TRUE;
+                               break;
+                       default: ;
+                               /* (!Undefined) is Undefined */
+                       }
+               }
                break;
 
        case LDAP_FILTER_EXT:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  EXTENSIBLE\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
-#endif
 
-               err = get_mra( ber, &f->f_mra, text );
+               err = get_mra( op, ber, &f.f_mra, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
 
-               assert( f->f_mra != NULL );
+               assert( f.f_mra != NULL );
                break;
 
        default:
                (void) ber_scanf( ber, "x" ); /* skip the element */
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, ERR, 
-                       "get_filter: conn %d unknown filter type=%lu\n",
-                       conn->c_connid, f->f_choice, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, "get_filter: unknown filter type=%lu\n",
-                       f->f_choice, 0, 0 );
-#endif
-               f->f_choice = SLAPD_FILTER_COMPUTED;
-               f->f_result = SLAPD_COMPARE_UNDEFINED;
+                       f.f_choice, 0, 0 );
+               f.f_choice = SLAPD_FILTER_COMPUTED;
+               f.f_result = SLAPD_COMPARE_UNDEFINED;
                break;
        }
 
-       if ( err != LDAP_SUCCESS ) {
-               if( err != SLAPD_DISCONNECT ) {
-                       /* ignore error */
-                       f->f_choice = SLAPD_FILTER_COMPUTED;
-                       f->f_result = SLAPD_COMPARE_UNDEFINED;
-                       err = LDAP_SUCCESS;
-                       *filt = f;
-
-               } else {
-                       free(f);
-               }
+       if( err != LDAP_SUCCESS && err != SLAPD_DISCONNECT ) {
+               /* ignore error */
+               *text = NULL;
+               f.f_choice = SLAPD_FILTER_COMPUTED;
+               f.f_result = SLAPD_COMPARE_UNDEFINED;
+               err = LDAP_SUCCESS;
+       }
 
-       } else {
-               *filt = f;
+       if ( err == LDAP_SUCCESS ) {
+               *filt = op->o_tmpalloc( sizeof(f), op->o_tmpmemctx );
+               **filt = f;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, DETAIL2, 
-               "get_filter: conn %d exit\n", conn->c_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "end get_filter %d\n", err, 0, 0 );
-#endif
+
        return( err );
 }
 
 static int
-get_filter_list( Connection *conn, BerElement *ber,
+get_filter_list( Operation *op, BerElement *ber,
        Filter **f,
        const char **text )
 {
@@ -309,74 +299,77 @@ get_filter_list( Connection *conn, BerElement *ber,
        ber_len_t       len;
        char            *last;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_filter_list: conn %d start\n", conn->c_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "begin get_filter_list\n", 0, 0, 0 );
-#endif
        new = f;
-       for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
+       for ( tag = ber_first_element( ber, &len, &last );
+               tag != LBER_DEFAULT;
                tag = ber_next_element( ber, &len, last ) )
        {
-               err = get_filter( conn, ber, new, text );
+               err = get_filter( op, ber, new, text );
                if ( err != LDAP_SUCCESS )
                        return( err );
                new = &(*new)->f_next;
        }
        *new = NULL;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_filter_list: conn %d exit\n", conn->c_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "end get_filter_list\n", 0, 0, 0 );
-#endif
        return( LDAP_SUCCESS );
 }
 
 static int
-get_substring_filter(
-       Connection      *conn,
+get_ssa(
+       Operation *op,
        BerElement      *ber,
-       Filter  *f,
+       SubstringsAssertion     **out,
        const char      **text )
 {
        ber_tag_t       tag;
        ber_len_t       len;
        ber_tag_t       rc;
-       struct berval value;
+       struct berval desc, value, nvalue;
        char            *last;
-       struct berval bv;
+       SubstringsAssertion ssa;
+
        *text = "error decoding filter";
+       *out = NULL;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_substring_filter: conn %d  begin\n", conn->c_connid, 0, 0 );
-#else
-       Debug( LDAP_DEBUG_FILTER, "begin get_substring_filter\n", 0, 0, 0 );
-#endif
-       if ( ber_scanf( ber, "{m" /*}*/, &bv ) == LBER_ERROR ) {
+       Debug( LDAP_DEBUG_FILTER, "begin get_ssa\n", 0, 0, 0 );
+       if ( ber_scanf( ber, "{m" /*}*/, &desc ) == LBER_ERROR ) {
                return SLAPD_DISCONNECT;
        }
 
-       f->f_sub = ch_calloc( 1, sizeof(SubstringsAssertion) );
-       f->f_sub_desc = NULL;
-       rc = slap_bv2ad( &bv, &f->f_sub_desc, text );
+       *text = NULL;
+
+       ssa.sa_desc = NULL;
+       ssa.sa_initial.bv_val = NULL;
+       ssa.sa_any = NULL;
+       ssa.sa_final.bv_val = NULL;
+
+       rc = slap_bv2ad( &desc, &ssa.sa_desc, text );
 
        if( rc != LDAP_SUCCESS ) {
-               text = NULL;
-               ch_free( f->f_sub );
-               f->f_choice = SLAPD_FILTER_COMPUTED;
-               f->f_result = SLAPD_COMPARE_UNDEFINED;
-               return LDAP_SUCCESS;
+               rc = slap_bv2undef_ad( &desc, &ssa.sa_desc, text,
+                       SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
+
+               if( rc != LDAP_SUCCESS ) {
+                       Debug( LDAP_DEBUG_ANY, 
+                               "get_ssa: conn %lu unknown attribute type=%s (%ld)\n",
+                               op->o_connid, desc.bv_val, (long) rc );
+       
+                       /* skip over the rest of this filter */
+                       for ( tag = ber_first_element( ber, &len, &last );
+                               tag != LBER_DEFAULT;
+                               tag = ber_next_element( ber, &len, last ) ) {
+                               ber_scanf( ber, "x" );
+                       }
+                       return rc;
+               }
        }
 
-       f->f_sub_initial.bv_val = NULL;
-       f->f_sub_any = NULL;
-       f->f_sub_final.bv_val = NULL;
+       rc = LDAP_PROTOCOL_ERROR;
 
-       for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
+       for ( tag = ber_first_element( ber, &len, &last );
+               tag != LBER_DEFAULT;
                tag = ber_next_element( ber, &len, last ) )
        {
                unsigned usage;
@@ -394,152 +387,92 @@ get_substring_filter(
 
                switch ( tag ) {
                case LDAP_SUBSTRING_INITIAL:
+                       if ( ssa.sa_initial.bv_val != NULL
+                               || ssa.sa_any != NULL 
+                               || ssa.sa_final.bv_val != NULL )
+                       {
+                               rc = LDAP_PROTOCOL_ERROR;
+                               goto return_error;
+                       }
                        usage = SLAP_MR_SUBSTR_INITIAL;
                        break;
 
                case LDAP_SUBSTRING_ANY:
+                       if ( ssa.sa_final.bv_val != NULL ) {
+                               rc = LDAP_PROTOCOL_ERROR;
+                               goto return_error;
+                       }
                        usage = SLAP_MR_SUBSTR_ANY;
                        break;
 
                case LDAP_SUBSTRING_FINAL:
+                       if ( ssa.sa_final.bv_val != NULL ) {
+                               rc = LDAP_PROTOCOL_ERROR;
+                               goto return_error;
+                       }
+
                        usage = SLAP_MR_SUBSTR_FINAL;
                        break;
 
                default:
-                       rc = LDAP_PROTOCOL_ERROR;
-
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, ERR,
-                               "get_filter_substring: conn %d  unknown substring choice=%ld\n",
-                               conn->c_connid, (long)tag, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER,
                                "  unknown substring choice=%ld\n",
                                (long) tag, 0, 0 );
-#endif
+
+                       rc = LDAP_PROTOCOL_ERROR;
                        goto return_error;
                }
 
-#ifdef SLAP_NVALUES
                /* validate/normalize using equality matching rule validator! */
                rc = asserted_value_validate_normalize(
-                       f->f_sub_desc, f->f_sub_desc->ad_type->sat_equality,
-                       usage, &value, &bv, text );
-               if( rc != LDAP_SUCCESS ) {
-                       goto return_error;
-               }
-#else
-               /* validate using equality matching rule validator! */
-               rc = value_validate( f->f_sub_desc->ad_type->sat_equality,
-                       &value, text );
-               if( rc != LDAP_SUCCESS ) {
-                       goto return_error;
-               }
-
-               rc = value_normalize( f->f_sub_desc, usage,
-                       &value, &bv, text );
-               if( rc != LDAP_SUCCESS ) {
-                       goto return_error;
-               }
-#endif
-
-               value = bv;
-
-               rc = LDAP_PROTOCOL_ERROR;
+                       ssa.sa_desc, ssa.sa_desc->ad_type->sat_equality,
+                       usage, &value, &nvalue, text, op->o_tmpmemctx );
+               if( rc != LDAP_SUCCESS ) goto return_error;
 
                switch ( tag ) {
                case LDAP_SUBSTRING_INITIAL:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, DETAIL1,
-                               "get_substring_filter: conn %d  INITIAL\n", conn->c_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER, "  INITIAL\n", 0, 0, 0 );
-#endif
-
-                       if ( f->f_sub_initial.bv_val != NULL
-                               || f->f_sub_any != NULL 
-                               || f->f_sub_final.bv_val != NULL )
-                       {
-                               free( value.bv_val );
-                               goto return_error;
-                       }
-
-                       f->f_sub_initial = value;
+                       ssa.sa_initial = nvalue;
                        break;
 
                case LDAP_SUBSTRING_ANY:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, DETAIL1,
-                               "get_substring_filter: conn %d  ANY\n", conn->c_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER, "  ANY\n", 0, 0, 0 );
-#endif
-
-                       if ( f->f_sub_final.bv_val != NULL ) {
-                               free( value.bv_val );
-                               goto return_error;
-                       }
-
-                       ber_bvarray_add( &f->f_sub_any, &value );
+                       ber_bvarray_add_x( &ssa.sa_any, &nvalue, op->o_tmpmemctx );
                        break;
 
                case LDAP_SUBSTRING_FINAL:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, DETAIL1, 
-                               "get_substring_filter: conn %d  FINAL\n", conn->c_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER, "  FINAL\n", 0, 0, 0 );
-#endif
-
-                       if ( f->f_sub_final.bv_val != NULL ) {
-                               free( value.bv_val );
-                               goto return_error;
-                       }
-
-                       f->f_sub_final = value;
+                       ssa.sa_final = nvalue;
                        break;
 
                default:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, INFO, 
-                               "get_substring_filter: conn %d  unknown substring type %ld\n",
-                               conn->c_connid, (long)tag, 0 );
-#else
-                       Debug( LDAP_DEBUG_FILTER,
-                               "  unknown substring type=%ld\n",
-                               (long) tag, 0, 0 );
-#endif
-
-                       free( value.bv_val );
+                       assert( 0 );
+                       slap_sl_free( nvalue.bv_val, op->o_tmpmemctx );
+                       rc = LDAP_PROTOCOL_ERROR;
 
 return_error:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, INFO, 
-                               "get_substring_filter: conn %d  error %ld\n",
-                               conn->c_connid, (long)rc, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER, "  error=%ld\n",
                                (long) rc, 0, 0 );
-#endif
-                       free( f->f_sub_initial.bv_val );
-                       ber_bvarray_free( f->f_sub_any );
-                       free( f->f_sub_final.bv_val );
-                       ch_free( f->f_sub );
+                       slap_sl_free( ssa.sa_initial.bv_val, op->o_tmpmemctx );
+                       ber_bvarray_free_x( ssa.sa_any, op->o_tmpmemctx );
+                       slap_sl_free( ssa.sa_final.bv_val, op->o_tmpmemctx );
                        return rc;
                }
+
+               rc = LDAP_SUCCESS;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_substring_filter: conn %d exit\n", conn->c_connid, 0, 0 );
-#else
-       Debug( LDAP_DEBUG_FILTER, "end get_substring_filter\n", 0, 0, 0 );
-#endif
-       return( LDAP_SUCCESS );
+       if( rc == LDAP_SUCCESS ) {
+               *out = op->o_tmpalloc( sizeof( ssa ), op->o_tmpmemctx );
+               **out = ssa;
+       }
+
+       Debug( LDAP_DEBUG_FILTER, "end get_ssa\n", 0, 0, 0 );
+       return rc /* LDAP_SUCCESS */ ;
 }
 
 void
-filter_free( Filter *f )
+filter_free_x( Operation *op, Filter *f )
 {
        Filter  *p, *next;
 
@@ -555,18 +488,18 @@ filter_free( Filter *f )
        case LDAP_FILTER_GE:
        case LDAP_FILTER_LE:
        case LDAP_FILTER_APPROX:
-               ava_free( f->f_ava, 1 );
+               ava_free( op, f->f_ava, 1 );
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
                if ( f->f_sub_initial.bv_val != NULL ) {
-                       free( f->f_sub_initial.bv_val );
+                       op->o_tmpfree( f->f_sub_initial.bv_val, op->o_tmpmemctx );
                }
-               ber_bvarray_free( f->f_sub_any );
+               ber_bvarray_free_x( f->f_sub_any, op->o_tmpmemctx );
                if ( f->f_sub_final.bv_val != NULL ) {
-                       free( f->f_sub_final.bv_val );
+                       op->o_tmpfree( f->f_sub_final.bv_val, op->o_tmpmemctx );
                }
-               ch_free( f->f_sub );
+               op->o_tmpfree( f->f_sub, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_AND:
@@ -574,104 +507,118 @@ filter_free( Filter *f )
        case LDAP_FILTER_NOT:
                for ( p = f->f_list; p != NULL; p = next ) {
                        next = p->f_next;
-                       filter_free( p );
+                       filter_free_x( op, p );
                }
                break;
 
        case LDAP_FILTER_EXT:
-               mra_free( f->f_mra, 1 );
+               mra_free( op, f->f_mra, 1 );
                break;
 
        case SLAPD_FILTER_COMPUTED:
                break;
 
        default:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, ERR, 
-                       "filter_free: unknown filter type %lu\n", f->f_choice, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
                        f->f_choice, 0, 0 );
-#endif
                break;
        }
 
-       free( f );
+       op->o_tmpfree( f, op->o_tmpmemctx );
 }
 
 void
-filter2bv( Filter *f, struct berval *fstr )
+filter_free( Filter *f )
 {
-       int     i;
-       Filter  *p;
-       struct berval tmp;
-       ber_len_t len;
+       Operation op;
+       Opheader ohdr;
+
+       op.o_hdr = &ohdr;
+       op.o_tmpmemctx = slap_sl_context( f );
+       op.o_tmpmfuncs = &slap_sl_mfuncs;
+       filter_free_x( &op, f );
+}
+
+void
+filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
+{
+       int             i;
+       Filter          *p;
+       struct berval   tmp;
+       static struct berval
+                       ber_bvfalse = BER_BVC( "(?=false)" ),
+                       ber_bvtrue = BER_BVC( "(?=true)" ),
+                       ber_bvundefined = BER_BVC( "(?=undefined)" ),
+                       ber_bverror = BER_BVC( "(?=error)" ),
+                       ber_bvunknown = BER_BVC( "(?=unknown)" ),
+                       ber_bvnone = BER_BVC( "(?=none)" );
+       ber_len_t       len;
 
        if ( f == NULL ) {
-               ber_str2bv( "No filter!", sizeof("No filter!")-1, 1, fstr );
+               ber_dupbv_x( fstr, &ber_bvnone, op->o_tmpmemctx );
                return;
        }
 
        switch ( f->f_choice ) {
        case LDAP_FILTER_EQUALITY:
-               filter_escape_value( &f->f_av_value, &tmp );
+               filter_escape_value_x( &f->f_av_value, &tmp, op->o_tmpmemctx );
 
                fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
                        tmp.bv_len + ( sizeof("(=)") - 1 );
-               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)",
                        f->f_av_desc->ad_cname.bv_val,
-                       tmp.bv_val );
+                       tmp.bv_len ? tmp.bv_val : "(null)");
 
-               ber_memfree( tmp.bv_val );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_GE:
-               filter_escape_value( &f->f_av_value, &tmp );
+               filter_escape_value_x( &f->f_av_value, &tmp, op->o_tmpmemctx );
 
                fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
                        tmp.bv_len + ( sizeof("(>=)") - 1 );
-               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)",
                        f->f_av_desc->ad_cname.bv_val,
-                       tmp.bv_val );
+                       tmp.bv_len ? tmp.bv_val : "(null)");
 
-               ber_memfree( tmp.bv_val );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_LE:
-               filter_escape_value( &f->f_av_value, &tmp );
+               filter_escape_value_x( &f->f_av_value, &tmp, op->o_tmpmemctx );
 
                fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
                        tmp.bv_len + ( sizeof("(<=)") - 1 );
-               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)",
                        f->f_av_desc->ad_cname.bv_val,
-                       tmp.bv_val );
+                       tmp.bv_len ? tmp.bv_val : "(null)");
 
-               ber_memfree( tmp.bv_val );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_APPROX:
-               filter_escape_value( &f->f_av_value, &tmp );
+               filter_escape_value_x( &f->f_av_value, &tmp, op->o_tmpmemctx );
 
                fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
                        tmp.bv_len + ( sizeof("(~=)") - 1 );
-               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)",
                        f->f_av_desc->ad_cname.bv_val,
-                       tmp.bv_val );
-               ber_memfree( tmp.bv_val );
+                       tmp.bv_len ? tmp.bv_val : "(null)");
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
                fstr->bv_len = f->f_sub_desc->ad_cname.bv_len +
                        ( sizeof("(=*)") - 1 );
-               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=*)",
                        f->f_sub_desc->ad_cname.bv_val );
@@ -679,46 +626,50 @@ filter2bv( Filter *f, struct berval *fstr )
                if ( f->f_sub_initial.bv_val != NULL ) {
                        len = fstr->bv_len;
 
-                       filter_escape_value( &f->f_sub_initial, &tmp );
+                       filter_escape_value_x( &f->f_sub_initial, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.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], tmp.bv_len+3,
                                /* "(attr=" */ "%s*)",
-                               tmp.bv_val );
+                               tmp.bv_len ? tmp.bv_val : "(null)");
 
-                       ber_memfree( tmp.bv_val );
+                       ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                }
 
                if ( f->f_sub_any != NULL ) {
                        for ( i = 0; f->f_sub_any[i].bv_val != NULL; i++ ) {
                                len = fstr->bv_len;
-                               filter_escape_value( &f->f_sub_any[i], &tmp );
+                               filter_escape_value_x( &f->f_sub_any[i],
+                                       &tmp, op->o_tmpmemctx );
 
                                fstr->bv_len += tmp.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], tmp.bv_len+3,
                                        /* "(attr=[init]*[any*]" */ "%s*)",
-                                       tmp.bv_val );
-                               ber_memfree( tmp.bv_val );
+                                       tmp.bv_len ? tmp.bv_val : "(null)");
+                               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                        }
                }
 
                if ( f->f_sub_final.bv_val != NULL ) {
                        len = fstr->bv_len;
 
-                       filter_escape_value( &f->f_sub_final, &tmp );
+                       filter_escape_value_x( &f->f_sub_final, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.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], tmp.bv_len+3,
                                /* "(attr=[init*][any*]" */ "%s)",
-                               tmp.bv_val );
+                               tmp.bv_len ? tmp.bv_val : "(null)");
 
-                       ber_memfree( tmp.bv_val );
+                       ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                }
 
                break;
@@ -726,7 +677,7 @@ filter2bv( Filter *f, struct berval *fstr )
        case LDAP_FILTER_PRESENT:
                fstr->bv_len = f->f_desc->ad_cname.bv_len +
                        ( sizeof("(=*)") - 1 );
-               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=*)",
                        f->f_desc->ad_cname.bv_val );
@@ -736,7 +687,7 @@ filter2bv( Filter *f, struct berval *fstr )
        case LDAP_FILTER_OR:
        case LDAP_FILTER_NOT:
                fstr->bv_len = sizeof("(%)") - 1;
-               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 ? '&' :
@@ -745,93 +696,165 @@ filter2bv( Filter *f, struct berval *fstr )
                for ( p = f->f_list; p != NULL; p = p->f_next ) {
                        len = fstr->bv_len;
 
-                       filter2bv( p, &tmp );
+                       filter2bv_x( op, p, &tmp );
                        
                        fstr->bv_len += tmp.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], tmp.bv_len + 2, 
                                /*"("*/ "%s)", tmp.bv_val );
 
-                       ch_free( tmp.bv_val );
+                       op->o_tmpfree( tmp.bv_val, op->o_tmpmemctx );
                }
 
                break;
 
        case LDAP_FILTER_EXT: {
-               struct berval ad;
-               filter_escape_value( &f->f_mr_value, &tmp );
-
-               if ( f->f_mr_desc ) {
-                       ad = f->f_mr_desc->ad_cname;
-               } else {
-                       ad.bv_len = 0;
-                       ad.bv_val = "";
-               }
+                       struct berval ad;
+                       filter_escape_value_x( &f->f_mr_value, &tmp, op->o_tmpmemctx );
+
+                       if ( f->f_mr_desc ) {
+                               ad = f->f_mr_desc->ad_cname;
+                       } else {
+                               ad.bv_len = 0;
+                               ad.bv_val = "";
+                       }
                        
-               fstr->bv_len = ad.bv_len +
-                       ( f->f_mr_dnattrs ? sizeof(":dn")-1 : 0 ) +
-                       ( f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_len+1 : 0 ) +
-                       tmp.bv_len + ( sizeof("(:=)") - 1 );
-               fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
-
-               snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s:=%s)",
-                       ad.bv_val,
-                       f->f_mr_dnattrs ? ":dn" : "",
-                       f->f_mr_rule_text.bv_len ? ":" : "",
-                       f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_val : "",
-                       tmp.bv_val );
-               ber_memfree( tmp.bv_val );
+                       fstr->bv_len = ad.bv_len +
+                               ( f->f_mr_dnattrs ? sizeof(":dn")-1 : 0 ) +
+                               ( f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_len+1 : 0 ) +
+                               tmp.bv_len + ( sizeof("(:=)") - 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)",
+                               ad.bv_val,
+                               f->f_mr_dnattrs ? ":dn" : "",
+                               f->f_mr_rule_text.bv_len ? ":" : "",
+                               f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_val : "",
+                               tmp.bv_len ? tmp.bv_val : "(null)");
+                       ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                } break;
 
        case SLAPD_FILTER_COMPUTED:
-               ber_str2bv(
-                       f->f_result == LDAP_COMPARE_FALSE ? "(?=false)" :
-                       f->f_result == LDAP_COMPARE_TRUE ? "(?=true)" :
-                       f->f_result == SLAPD_COMPARE_UNDEFINED ? "(?=undefined)" :
-                       "(?=error)",
-                       f->f_result == LDAP_COMPARE_FALSE ? sizeof("(?=false)")-1 :
-                       f->f_result == LDAP_COMPARE_TRUE ? sizeof("(?=true)")-1 :
-                       f->f_result == SLAPD_COMPARE_UNDEFINED ? sizeof("(?=undefined)")-1 :
-                       sizeof("(?=error)")-1,
-                       1, fstr );
-               break;
+               switch ( f->f_result ) {
+               case LDAP_COMPARE_FALSE:
+                       tmp = ber_bvfalse;
+                       break;
+
+               case LDAP_COMPARE_TRUE:
+                       tmp = ber_bvtrue;
+                       break;
+                       
+               case SLAPD_COMPARE_UNDEFINED:
+                       tmp = ber_bvundefined;
+                       break;
+                       
+               default:
+                       tmp = ber_bverror;
+                       break;
+               }
 
+               ber_dupbv_x( fstr, &tmp, op->o_tmpmemctx );
+               break;
+               
        default:
-               ber_str2bv( "(?=unknown)", sizeof("(?=unknown)")-1, 1, fstr );
+               ber_dupbv_x( fstr, &ber_bvunknown, op->o_tmpmemctx );
                break;
        }
 }
 
-int
-filter_escape_value(
-       struct berval *in,
-       struct berval *out )
+void
+filter2bv( Filter *f, struct berval *fstr )
 {
-       ber_len_t i;
-       assert( in );
-       assert( out );
-
-       out->bv_val = (char *) ch_malloc( ( in->bv_len * 3 ) + 1 );
-       out->bv_len = 0;
-
-       for( i=0; i < in->bv_len ; i++ ) {
-               if( FILTER_ESCAPE(in->bv_val[i]) ) {
-                       out->bv_val[out->bv_len++] = SLAP_ESCAPE_CHAR;
-                       out->bv_val[out->bv_len++] = SLAP_ESCAPE_HI( in->bv_val[i] );
-                       out->bv_val[out->bv_len++] = SLAP_ESCAPE_LO( in->bv_val[i] );
-               } else {
-                       out->bv_val[out->bv_len++] = in->bv_val[i];
+       Operation op;
+       Opheader ohdr;
+
+       op.o_hdr = &ohdr;
+       op.o_tmpmemctx = NULL;
+       op.o_tmpmfuncs = &ch_mfuncs;
+
+       filter2bv_x( &op, f, fstr );
+}
+
+Filter *
+filter_dup( Filter *f, void *memctx )
+{
+       BerMemoryFunctions *mf = &slap_sl_mfuncs;
+       Filter *n;
+
+       if ( !f )
+               return NULL;
+
+       n = mf->bmf_malloc( sizeof(Filter), memctx );
+       n->f_choice = f->f_choice;
+       n->f_next = NULL;
+
+       switch( f->f_choice ) {
+       case SLAPD_FILTER_COMPUTED:
+               n->f_result = f->f_result;
+               break;
+       case LDAP_FILTER_PRESENT:
+               n->f_desc = f->f_desc;
+               break;
+       case LDAP_FILTER_EQUALITY:
+       case LDAP_FILTER_GE:
+       case LDAP_FILTER_LE:
+       case LDAP_FILTER_APPROX:
+               /* Should this be ava_dup() ? */
+               n->f_ava = mf->bmf_calloc( 1, sizeof(AttributeAssertion), memctx );
+               *n->f_ava = *f->f_ava;
+               ber_dupbv_x( &n->f_av_value, &f->f_av_value, memctx );
+               break;
+       case LDAP_FILTER_SUBSTRINGS:
+               n->f_sub = mf->bmf_calloc( 1, sizeof(SubstringsAssertion), memctx );
+               n->f_sub_desc = f->f_sub_desc;
+               if ( !BER_BVISNULL( &f->f_sub_initial ))
+                       ber_dupbv_x( &n->f_sub_initial, &f->f_sub_initial, memctx );
+               if ( f->f_sub_any ) {
+                       int i;
+                       for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ );
+                       n->f_sub_any = mf->bmf_malloc(( i+1 )*sizeof( struct berval ),
+                               memctx );
+                       for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ ) {
+                               ber_dupbv_x( &n->f_sub_any[i], &f->f_sub_any[i], memctx );
+                       }
+                       BER_BVZERO( &n->f_sub_any[i] );
+               }
+               if ( !BER_BVISNULL( &f->f_sub_final ))
+                       ber_dupbv_x( &n->f_sub_final, &f->f_sub_final, memctx );
+               break;
+       case LDAP_FILTER_EXT: {
+               /* Should this be mra_dup() ? */
+               ber_len_t length;
+               length = sizeof(MatchingRuleAssertion);
+               if ( !BER_BVISNULL( &f->f_mr_rule_text ))
+                       length += f->f_mr_rule_text.bv_len + 1;
+               n->f_mra = mf->bmf_calloc( 1, length, memctx );
+               *n->f_mra = *f->f_mra;
+               ber_dupbv_x( &n->f_mr_value, &f->f_mr_value, memctx );
+               if ( !BER_BVISNULL( &f->f_mr_rule_text )) {
+                       n->f_mr_rule_text.bv_val = (char *)(n->f_mra+1);
+                       AC_MEMCPY(n->f_mr_rule_text.bv_val,
+                               f->f_mr_rule_text.bv_val, f->f_mr_rule_text.bv_len );
+               }
+               } break;
+       case LDAP_FILTER_AND:
+       case LDAP_FILTER_OR:
+       case LDAP_FILTER_NOT: {
+               Filter **p;
+               for ( p = &n->f_list, f = f->f_list; f; f = f->f_next ) {
+                       *p = filter_dup( f, memctx );
+                       p = &(*p)->f_next;
                }
+               } break;
        }
-
-       out->bv_val[out->bv_len] = '\0';
-       return LDAP_SUCCESS;
+       return n;
 }
 
 static int
 get_simple_vrFilter(
-       Connection *conn,
+       Operation *op,
        BerElement *ber,
        ValuesReturnFilter **filt,
        const char **text )
@@ -839,14 +862,9 @@ get_simple_vrFilter(
        ber_tag_t       tag;
        ber_len_t       len;
        int             err;
-       ValuesReturnFilter *vrf;
+       ValuesReturnFilter vrf;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_simple_vrFilter: conn %d\n", conn->c_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "begin get_simple_vrFilter\n", 0, 0, 0 );
-#endif
 
        tag = ber_peek_tag( ber, &len );
 
@@ -855,59 +873,38 @@ get_simple_vrFilter(
                return SLAPD_DISCONNECT;
        }
 
-       vrf = (ValuesReturnFilter *) ch_malloc( sizeof(ValuesReturnFilter) );
-       vrf->vrf_next = NULL;
+       vrf.vrf_next = NULL;
 
        err = LDAP_SUCCESS;
-       vrf->vrf_choice = tag; 
+       vrf.vrf_choice = tag; 
 
-       switch ( vrf->vrf_choice ) {
+       switch ( vrf.vrf_choice ) {
        case LDAP_FILTER_EQUALITY:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL2, 
-                       "get_simple_vrFilter: conn %d  EQUALITY\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
-#endif
-               err = get_ava( ber, &vrf->vrf_ava, SLAP_MR_EQUALITY, text );
+               err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_EQUALITY, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
 
-               assert( vrf->vrf_ava != NULL );
+               assert( vrf.vrf_ava != NULL );
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d  SUBSTRINGS\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
-#endif
-               err = get_substring_filter( conn, ber, (Filter *)vrf, text );
+               err = get_ssa( op, ber, &vrf.vrf_sub, text );
                break;
 
        case LDAP_FILTER_GE:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d  GE\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
-#endif
-               err = get_ava( ber, &vrf->vrf_ava, SLAP_MR_ORDERING, text );
+               err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_ORDERING, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
                break;
 
        case LDAP_FILTER_LE:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d  LE\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
-#endif
-               err = get_ava( ber, &vrf->vrf_ava, SLAP_MR_ORDERING, text );
+               err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_ORDERING, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
@@ -916,101 +913,82 @@ get_simple_vrFilter(
        case LDAP_FILTER_PRESENT: {
                struct berval type;
 
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d PRESENT\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
-#endif
                if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
                        err = SLAPD_DISCONNECT;
                        *text = "error decoding filter";
                        break;
                }
 
-               vrf->vrf_desc = NULL;
-               err = slap_bv2ad( &type, &vrf->vrf_desc, text );
+               vrf.vrf_desc = NULL;
+               err = slap_bv2ad( &type, &vrf.vrf_desc, text );
 
                if( err != LDAP_SUCCESS ) {
-                       /* unrecognized attribute description or other error */
-                       vrf->vrf_choice = SLAPD_FILTER_COMPUTED;
-                       vrf->vrf_result = LDAP_COMPARE_FALSE;
-                       err = LDAP_SUCCESS;
-                       break;
+                       err = slap_bv2undef_ad( &type, &vrf.vrf_desc, text,
+                               SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
+
+                       if( err != LDAP_SUCCESS ) {
+                               /* unrecognized attribute description or other error */
+                               Debug( LDAP_DEBUG_ANY, 
+                                       "get_simple_vrFilter: conn %lu unknown "
+                                       "attribute type=%s (%d)\n",
+                                       op->o_connid, type.bv_val, err );
+       
+                               vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
+                               vrf.vrf_result = LDAP_COMPARE_FALSE;
+                               err = LDAP_SUCCESS;
+                               break;
+                       }
                }
                } break;
 
        case LDAP_FILTER_APPROX:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d  APPROX\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
-#endif
-               err = get_ava( ber, &vrf->vrf_ava, SLAP_MR_EQUALITY_APPROX, text );
+               err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_EQUALITY_APPROX, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
                break;
 
        case LDAP_FILTER_EXT:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d  EXTENSIBLE\n", conn->c_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
-#endif
 
-               err = get_mra( ber, &vrf->vrf_mra, text );
+               err = get_mra( op, ber, &vrf.vrf_mra, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
 
-               assert( vrf->vrf_mra != NULL );
+               assert( vrf.vrf_mra != NULL );
                break;
 
        default:
                (void) ber_scanf( ber, "x" ); /* skip the element */
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, ERR, 
-                       "get_simple_vrFilter: conn %d unknown filter type=%lu\n",
-                       conn->c_connid, vrf->vrf_choice, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, "get_simple_vrFilter: unknown filter type=%lu\n",
-                       vrf->vrf_choice, 0, 0 );
-#endif
-               vrf->vrf_choice = SLAPD_FILTER_COMPUTED;
-               vrf->vrf_result = SLAPD_COMPARE_UNDEFINED;
+                       vrf.vrf_choice, 0, 0 );
+               vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
+               vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
                break;
        }
 
-       if ( err != LDAP_SUCCESS ) {
-               if( err != SLAPD_DISCONNECT ) {
-                       /* ignore error */
-                       vrf->vrf_choice = SLAPD_FILTER_COMPUTED;
-                       vrf->vrf_result = SLAPD_COMPARE_UNDEFINED;
-                       err = LDAP_SUCCESS;
-                       *filt = vrf;
-
-               } else {
-                       free(vrf);
-               }
+       if ( err != LDAP_SUCCESS && err != SLAPD_DISCONNECT ) {
+               /* ignore error */
+               vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
+               vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
+               err = LDAP_SUCCESS;
+       }
 
-       } else {
-               *filt = vrf;
+       if ( err == LDAP_SUCCESS ) {
+               *filt = op->o_tmpalloc( sizeof vrf, op->o_tmpmemctx );
+               **filt = vrf;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, DETAIL2, 
-               "get_simple_vrFilter: conn %d exit\n", conn->c_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "end get_simple_vrFilter %d\n", err, 0, 0 );
-#endif
-       return( err );
+
+       return err;
 }
 
 int
-get_vrFilter( Connection *conn, BerElement *ber,
+get_vrFilter( Operation *op, BerElement *ber,
        ValuesReturnFilter **vrf,
        const char **text )
 {
@@ -1048,12 +1026,7 @@ get_vrFilter( Connection *conn, BerElement *ber,
        ber_len_t       len;
        char            *last;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_vrFilter: conn %d start\n", conn->c_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "begin get_vrFilter\n", 0, 0, 0 );
-#endif
 
        tag = ber_peek_tag( ber, &len );
 
@@ -1072,24 +1045,20 @@ get_vrFilter( Connection *conn, BerElement *ber,
                tag != LBER_DEFAULT;
                tag = ber_next_element( ber, &len, last ) )
        {
-               int err = get_simple_vrFilter( conn, ber, n, text );
-               if ( err != LDAP_SUCCESS )
-                       return( err );
+               int err = get_simple_vrFilter( op, ber, n, text );
+
+               if ( err != LDAP_SUCCESS ) return( err );
+
                n = &(*n)->vrf_next;
        }
        *n = NULL;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_vrFilter: conn %d exit\n", conn->c_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "end get_vrFilter\n", 0, 0, 0 );
-#endif
        return( LDAP_SUCCESS );
 }
 
 void
-vrFilter_free( ValuesReturnFilter *vrf )
+vrFilter_free( Operation *op, ValuesReturnFilter *vrf )
 {
        ValuesReturnFilter      *p, *next;
 
@@ -1108,146 +1077,143 @@ vrFilter_free( ValuesReturnFilter *vrf )
                case LDAP_FILTER_GE:
                case LDAP_FILTER_LE:
                case LDAP_FILTER_APPROX:
-                       ava_free( vrf->vrf_ava, 1 );
+                       ava_free( op, vrf->vrf_ava, 1 );
                        break;
 
                case LDAP_FILTER_SUBSTRINGS:
                        if ( vrf->vrf_sub_initial.bv_val != NULL ) {
-                               free( vrf->vrf_sub_initial.bv_val );
+                               op->o_tmpfree( vrf->vrf_sub_initial.bv_val, op->o_tmpmemctx );
                        }
-                       ber_bvarray_free( vrf->vrf_sub_any );
+                       ber_bvarray_free_x( vrf->vrf_sub_any, op->o_tmpmemctx );
                        if ( vrf->vrf_sub_final.bv_val != NULL ) {
-                               free( vrf->vrf_sub_final.bv_val );
+                               op->o_tmpfree( vrf->vrf_sub_final.bv_val, op->o_tmpmemctx );
                        }
-                       ch_free( vrf->vrf_sub );
+                       op->o_tmpfree( vrf->vrf_sub, op->o_tmpmemctx );
                        break;
 
                case LDAP_FILTER_EXT:
-                       mra_free( vrf->vrf_mra, 1 );
+                       mra_free( op, vrf->vrf_mra, 1 );
                        break;
 
                case SLAPD_FILTER_COMPUTED:
                        break;
 
                default:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, ERR, 
-                               "filter_free: unknown filter type %lu\n", vrf->vrf_choice, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
                                vrf->vrf_choice, 0, 0 );
-#endif
                        break;
                }
 
-               free( vrf );
+               op->o_tmpfree( vrf, op->o_tmpmemctx );
        }
 }
 
-
 void
-vrFilter2bv( ValuesReturnFilter *vrf, struct berval *fstr )
+vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
 {
        ValuesReturnFilter      *p;
        struct berval tmp;
        ber_len_t len;
 
        if ( vrf == NULL ) {
-               ber_str2bv( "No filter!", sizeof("No filter!")-1, 1, fstr );
+               ber_str2bv_x( "No filter!", sizeof("No filter!")-1,
+                       1, fstr, op->o_tmpmemctx );
                return;
        }
 
        fstr->bv_len = sizeof("()") - 1;
-       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, "()");
 
        for ( p = vrf; p != NULL; p = p->vrf_next ) {
                len = fstr->bv_len;
 
-               simple_vrFilter2bv( p, &tmp );
+               simple_vrFilter2bv( op, p, &tmp );
                        
                fstr->bv_len += tmp.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], tmp.bv_len + 2, 
                        /*"("*/ "%s)", tmp.bv_val );
 
-               ch_free( tmp.bv_val );
+               op->o_tmpfree( tmp.bv_val, op->o_tmpmemctx );
        }
 }
 
 static void
-simple_vrFilter2bv( ValuesReturnFilter *vrf, struct berval *fstr )
+simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
 {
        struct berval tmp;
        ber_len_t len;
 
        if ( vrf == NULL ) {
-               ber_str2bv( "No filter!", sizeof("No filter!")-1, 1, fstr );
+               ber_str2bv_x( "No filter!", sizeof("No filter!")-1, 1, fstr,
+                       op->o_tmpmemctx );
                return;
        }
 
        switch ( vrf->vrf_choice ) {
        case LDAP_FILTER_EQUALITY:
-               filter_escape_value( &vrf->vrf_av_value, &tmp );
+               filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
 
                fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
                        tmp.bv_len + ( sizeof("(=)") - 1 );
-               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)",
                        vrf->vrf_av_desc->ad_cname.bv_val,
                        tmp.bv_val );
 
-               ber_memfree( tmp.bv_val );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_GE:
-               filter_escape_value( &vrf->vrf_av_value, &tmp );
+               filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
 
                fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
                        tmp.bv_len + ( sizeof("(>=)") - 1 );
-               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)",
                        vrf->vrf_av_desc->ad_cname.bv_val,
                        tmp.bv_val );
 
-               ber_memfree( tmp.bv_val );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_LE:
-               filter_escape_value( &vrf->vrf_av_value, &tmp );
+               filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
 
                fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
                        tmp.bv_len + ( sizeof("(<=)") - 1 );
-               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)",
                        vrf->vrf_av_desc->ad_cname.bv_val,
                        tmp.bv_val );
 
-               ber_memfree( tmp.bv_val );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_APPROX:
-               filter_escape_value( &vrf->vrf_av_value, &tmp );
+               filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
 
                fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
                        tmp.bv_len + ( sizeof("(~=)") - 1 );
-               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)",
                        vrf->vrf_av_desc->ad_cname.bv_val,
                        tmp.bv_val );
-               ber_memfree( tmp.bv_val );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
                fstr->bv_len = vrf->vrf_sub_desc->ad_cname.bv_len +
                        ( sizeof("(=*)") - 1 );
-               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=*)",
                        vrf->vrf_sub_desc->ad_cname.bv_val );
@@ -1255,47 +1221,51 @@ simple_vrFilter2bv( ValuesReturnFilter *vrf, struct berval *fstr )
                if ( vrf->vrf_sub_initial.bv_val != NULL ) {
                        len = fstr->bv_len;
 
-                       filter_escape_value( &vrf->vrf_sub_initial, &tmp );
+                       filter_escape_value_x( &vrf->vrf_sub_initial, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.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], tmp.bv_len+3,
                                /* "(attr=" */ "%s*)",
                                tmp.bv_val );
 
-                       ber_memfree( tmp.bv_val );
+                       ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                }
 
                if ( vrf->vrf_sub_any != NULL ) {
                        int i;
                        for ( i = 0; vrf->vrf_sub_any[i].bv_val != NULL; i++ ) {
                                len = fstr->bv_len;
-                               filter_escape_value( &vrf->vrf_sub_any[i], &tmp );
+                               filter_escape_value_x( &vrf->vrf_sub_any[i], &tmp,
+                                       op->o_tmpmemctx );
 
                                fstr->bv_len += tmp.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], tmp.bv_len+3,
                                        /* "(attr=[init]*[any*]" */ "%s*)",
                                        tmp.bv_val );
-                               ber_memfree( tmp.bv_val );
+                               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                        }
                }
 
                if ( vrf->vrf_sub_final.bv_val != NULL ) {
                        len = fstr->bv_len;
 
-                       filter_escape_value( &vrf->vrf_sub_final, &tmp );
+                       filter_escape_value_x( &vrf->vrf_sub_final, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.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], tmp.bv_len+3,
                                /* "(attr=[init*][any*]" */ "%s)",
                                tmp.bv_val );
 
-                       ber_memfree( tmp.bv_val );
+                       ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                }
 
                break;
@@ -1303,7 +1273,7 @@ simple_vrFilter2bv( ValuesReturnFilter *vrf, struct berval *fstr )
        case LDAP_FILTER_PRESENT:
                fstr->bv_len = vrf->vrf_desc->ad_cname.bv_len +
                        ( sizeof("(=*)") - 1 );
-               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=*)",
                        vrf->vrf_desc->ad_cname.bv_val );
@@ -1311,7 +1281,7 @@ simple_vrFilter2bv( ValuesReturnFilter *vrf, struct berval *fstr )
 
        case LDAP_FILTER_EXT: {
                struct berval ad;
-               filter_escape_value( &vrf->vrf_mr_value, &tmp );
+               filter_escape_value_x( &vrf->vrf_mr_value, &tmp, op->o_tmpmemctx );
 
                if ( vrf->vrf_mr_desc ) {
                        ad = vrf->vrf_mr_desc->ad_cname;
@@ -1322,9 +1292,10 @@ simple_vrFilter2bv( ValuesReturnFilter *vrf, struct berval *fstr )
                        
                fstr->bv_len = ad.bv_len +
                        ( vrf->vrf_mr_dnattrs ? sizeof(":dn")-1 : 0 ) +
-                       ( vrf->vrf_mr_rule_text.bv_len ? vrf->vrf_mr_rule_text.bv_len+1 : 0 ) +
+                       ( vrf->vrf_mr_rule_text.bv_len
+                               ? vrf->vrf_mr_rule_text.bv_len+1 : 0 ) +
                        tmp.bv_len + ( sizeof("(:=)") - 1 );
-               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)",
                        ad.bv_val,
@@ -1333,229 +1304,25 @@ simple_vrFilter2bv( ValuesReturnFilter *vrf, struct berval *fstr )
                        vrf->vrf_mr_rule_text.bv_len ? vrf->vrf_mr_rule_text.bv_val : "",
                        tmp.bv_val );
 
-               ber_memfree( tmp.bv_val );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                } break;
 
        case SLAPD_FILTER_COMPUTED:
-               ber_str2bv(
+               ber_str2bv_x(
                        vrf->vrf_result == LDAP_COMPARE_FALSE ? "(?=false)" :
                        vrf->vrf_result == LDAP_COMPARE_TRUE ? "(?=true)" :
-                       vrf->vrf_result == SLAPD_COMPARE_UNDEFINED ? "(?=undefined)" :
-                       "(?=error)",
+                       vrf->vrf_result == SLAPD_COMPARE_UNDEFINED
+                               ? "(?=undefined)" : "(?=error)",
                        vrf->vrf_result == LDAP_COMPARE_FALSE ? sizeof("(?=false)")-1 :
                        vrf->vrf_result == LDAP_COMPARE_TRUE ? sizeof("(?=true)")-1 :
-                       vrf->vrf_result == SLAPD_COMPARE_UNDEFINED ? sizeof("(?=undefined)")-1 :
-                       sizeof("(?=error)")-1,
-                       1, fstr );
+                       vrf->vrf_result == SLAPD_COMPARE_UNDEFINED
+                               ? sizeof("(?=undefined)")-1 : sizeof("(?=error)")-1,
+                       1, fstr, op->o_tmpmemctx );
                break;
 
        default:
-               ber_str2bv( "(?=unknown)", sizeof("(?=unknown)")-1, 1, fstr );
+               ber_str2bv_x( "(?=unknown)", sizeof("(?=unknown)")-1,
+                       1, fstr, op->o_tmpmemctx );
                break;
        }
 }
-
-static int
-get_substring_vrFilter(
-       Connection      *conn,
-       BerElement      *ber,
-       ValuesReturnFilter      *vrf,
-       const char      **text )
-{
-       ber_tag_t       tag;
-       ber_len_t       len;
-       ber_tag_t       rc;
-       struct berval value;
-       char            *last;
-       struct berval bv;
-       *text = "error decoding filter";
-
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_substring_filter: conn %d  begin\n", conn->c_connid, 0, 0 );
-#else
-       Debug( LDAP_DEBUG_FILTER, "begin get_substring_filter\n", 0, 0, 0 );
-#endif
-       if ( ber_scanf( ber, "{m" /*}*/, &bv ) == LBER_ERROR ) {
-               return SLAPD_DISCONNECT;
-       }
-
-       vrf->vrf_sub = ch_calloc( 1, sizeof(SubstringsAssertion) );
-       vrf->vrf_sub_desc = NULL;
-       rc = slap_bv2ad( &bv, &vrf->vrf_sub_desc, text );
-
-       if( rc != LDAP_SUCCESS ) {
-               text = NULL;
-               ch_free( vrf->vrf_sub );
-               vrf->vrf_choice = SLAPD_FILTER_COMPUTED;
-               vrf->vrf_result = SLAPD_COMPARE_UNDEFINED;
-               return LDAP_SUCCESS;
-       }
-
-       vrf->vrf_sub_initial.bv_val = NULL;
-       vrf->vrf_sub_any = NULL;
-       vrf->vrf_sub_final.bv_val = NULL;
-
-       for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
-               tag = ber_next_element( ber, &len, last ) )
-       {
-               unsigned usage;
-
-               rc = ber_scanf( ber, "m", &value );
-               if ( rc == LBER_ERROR ) {
-                       rc = SLAPD_DISCONNECT;
-                       goto return_error;
-               }
-
-               if ( value.bv_val == NULL || value.bv_len == 0 ) {
-                       rc = LDAP_INVALID_SYNTAX;
-                       goto return_error;
-               } 
-
-               switch ( tag ) {
-               case LDAP_SUBSTRING_INITIAL:
-                       usage = SLAP_MR_SUBSTR_INITIAL;
-                       break;
-
-               case LDAP_SUBSTRING_ANY:
-                       usage = SLAP_MR_SUBSTR_ANY;
-                       break;
-
-               case LDAP_SUBSTRING_FINAL:
-                       usage = SLAP_MR_SUBSTR_FINAL;
-                       break;
-
-               default:
-                       rc = LDAP_PROTOCOL_ERROR;
-
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, ERR, 
-                               "get_filter_substring: conn %d  unknown substring choice=%ld\n",
-                               conn->c_connid, (long)tag, 0 );
-#else
-                       Debug( LDAP_DEBUG_FILTER,
-                               "  unknown substring choice=%ld\n",
-                               (long) tag, 0, 0 );
-#endif
-                       goto return_error;
-               }
-
-#ifdef SLAP_NVALUES
-               /* validate/normalize using equality matching rule validator! */
-               rc = asserted_value_validate_normalize(
-                       vrf->vrf_sub_desc, vrf->vrf_sub_desc->ad_type->sat_equality,
-                       usage, &value, &bv, text );
-               if( rc != LDAP_SUCCESS ) {
-                       goto return_error;
-               }
-#else
-               /* valiate using equality matching rule validator! */
-               rc = value_validate( vrf->vrf_sub_desc->ad_type->sat_equality,
-                       &value, text );
-               if( rc != LDAP_SUCCESS ) {
-                       goto return_error;
-               }
-
-               rc = value_normalize( vrf->vrf_sub_desc, usage,
-                       &value, &bv, text );
-               if( rc != LDAP_SUCCESS ) {
-                       goto return_error;
-               }
-#endif
-
-               value = bv;
-
-               rc = LDAP_PROTOCOL_ERROR;
-
-               switch ( tag ) {
-               case LDAP_SUBSTRING_INITIAL:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, DETAIL1, 
-                               "get_substring_filter: conn %d  INITIAL\n", 
-                               conn->c_connid, 0, 0 );
-#else
-                       Debug( LDAP_DEBUG_FILTER, "  INITIAL\n", 0, 0, 0 );
-#endif
-
-                       if ( vrf->vrf_sub_initial.bv_val != NULL
-                               || vrf->vrf_sub_any != NULL 
-                               || vrf->vrf_sub_final.bv_val != NULL )
-                       {
-                               free( value.bv_val );
-                               goto return_error;
-                       }
-
-                       vrf->vrf_sub_initial = value;
-                       break;
-
-               case LDAP_SUBSTRING_ANY:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, DETAIL1, 
-                               "get_substring_filter: conn %d  ANY\n", conn->c_connid, 0, 0 );
-#else
-                       Debug( LDAP_DEBUG_FILTER, "  ANY\n", 0, 0, 0 );
-#endif
-
-                       if ( vrf->vrf_sub_final.bv_val != NULL ) {
-                               free( value.bv_val );
-                               goto return_error;
-                       }
-
-                       ber_bvarray_add( &vrf->vrf_sub_any, &value );
-                       break;
-
-               case LDAP_SUBSTRING_FINAL:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, DETAIL1, 
-                               "get_substring_filter: conn %d  FINAL\n", conn->c_connid, 0, 0 );
-#else
-                       Debug( LDAP_DEBUG_FILTER, "  FINAL\n", 0, 0, 0 );
-#endif
-
-                       if ( vrf->vrf_sub_final.bv_val != NULL ) {
-                               free( value.bv_val );
-                               goto return_error;
-                       }
-
-                       vrf->vrf_sub_final = value;
-                       break;
-
-               default:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, INFO, 
-                               "get_substring_filter: conn %d  unknown substring type %ld\n",
-                               conn->c_connid, (long)tag, 0 );
-#else
-                       Debug( LDAP_DEBUG_FILTER,
-                               "  unknown substring type=%ld\n",
-                               (long) tag, 0, 0 );
-#endif
-
-                       free( value.bv_val );
-
-return_error:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, INFO, 
-                               "get_substring_filter: conn %d  error %ld\n",
-                               conn->c_connid, (long)rc, 0 );
-#else
-                       Debug( LDAP_DEBUG_FILTER, "  error=%ld\n",
-                               (long) rc, 0, 0 );
-#endif
-                       free( vrf->vrf_sub_initial.bv_val );
-                       ber_bvarray_free( vrf->vrf_sub_any );
-                       free( vrf->vrf_sub_final.bv_val );
-                       ch_free( vrf->vrf_sub );
-                       return rc;
-               }
-       }
-
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_substring_filter: conn %d exit\n", conn->c_connid, 0, 0 );
-#else
-       Debug( LDAP_DEBUG_FILTER, "end get_substring_filter\n", 0, 0, 0 );
-#endif
-       return( LDAP_SUCCESS );
-}
-