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[openldap] / servers / slapd / filter.c
index 19acd9e38dda5f906256a8a1577f33bd8e43f396..0bfc702e6a03d3469633317f62c67e7e0deea4dc 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 1998-2005 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"
@@ -26,6 +45,11 @@ static int   get_ssa(
        SubstringsAssertion **s,
        const char **text );
 
+static int filter_escape_value_x(
+       struct berval *in,
+       struct berval *out,
+       void *ctx );
+
 static void simple_vrFilter2bv(
        Operation *op,
        ValuesReturnFilter *f,
@@ -49,11 +73,7 @@ get_filter(
        int             err;
        Filter          f;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, "get_filter: conn %d\n", op->o_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 {
@@ -101,12 +121,7 @@ get_filter(
 
        switch ( f.f_choice ) {
        case LDAP_FILTER_EQUALITY:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL2, 
-                       "get_filter: conn %d  EQUALITY\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
-#endif
                err = get_ava( op, ber, &f.f_ava, SLAP_MR_EQUALITY, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
@@ -116,12 +131,7 @@ get_filter(
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  SUBSTRINGS\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
-#endif
                err = get_ssa( op, ber, &f.f_sub, text );
                if( err != LDAP_SUCCESS ) {
                        break;
@@ -130,12 +140,7 @@ get_filter(
                break;
 
        case LDAP_FILTER_GE:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  GE\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
-#endif
                err = get_ava( op, ber, &f.f_ava, SLAP_MR_ORDERING, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
@@ -144,12 +149,7 @@ get_filter(
                break;
 
        case LDAP_FILTER_LE:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  LE\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
-#endif
                err = get_ava( op, ber, &f.f_ava, SLAP_MR_ORDERING, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
@@ -160,12 +160,7 @@ get_filter(
        case LDAP_FILTER_PRESENT: {
                struct berval type;
 
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d PRESENT\n", op->o_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";
@@ -177,6 +172,11 @@ get_filter(
 
                if( err != LDAP_SUCCESS ) {
                        /* unrecognized attribute description or other error */
+                       Debug( LDAP_DEBUG_ANY, 
+                               "get_filter: conn %d 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;
@@ -188,12 +188,7 @@ get_filter(
                } break;
 
        case LDAP_FILTER_APPROX:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  APPROX\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
-#endif
                err = get_ava( op, ber, &f.f_ava, SLAP_MR_EQUALITY_APPROX, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
@@ -202,40 +197,33 @@ get_filter(
                break;
 
        case LDAP_FILTER_AND:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_filter: conn %d  AND\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "AND\n", 0, 0, 0 );
-#endif
                err = get_filter_list( op, ber, &f.f_and, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
+               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", op->o_connid, 0, 0  );
-#else
                Debug( LDAP_DEBUG_FILTER, "OR\n", 0, 0, 0 );
-#endif
                err = get_filter_list( op, ber, &f.f_or, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
                }
+               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", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "NOT\n", 0, 0, 0 );
-#endif
                (void) ber_skip_tag( ber, &len );
                err = get_filter( op, ber, &f.f_not, text );
                if ( err != LDAP_SUCCESS ) {
@@ -243,15 +231,27 @@ get_filter(
                }
 
                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", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
-#endif
 
                err = get_mra( op, ber, &f.f_mra, text );
                if ( err != LDAP_SUCCESS ) {
@@ -263,14 +263,8 @@ get_filter(
 
        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",
-                       op->o_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;
                break;
@@ -278,6 +272,7 @@ get_filter(
 
        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;
@@ -288,12 +283,7 @@ get_filter(
                **filt = f;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, DETAIL2, 
-               "get_filter: conn %d exit\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "end get_filter %d\n", err, 0, 0 );
-#endif
 
        return( err );
 }
@@ -309,12 +299,7 @@ get_filter_list( Operation *op, BerElement *ber,
        ber_len_t       len;
        char            *last;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_filter_list: conn %d start\n", op->o_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;
@@ -327,12 +312,7 @@ get_filter_list( Operation *op, BerElement *ber,
        }
        *new = NULL;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_filter_list: conn %d exit\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "end get_filter_list\n", 0, 0, 0 );
-#endif
        return( LDAP_SUCCESS );
 }
 
@@ -351,13 +331,9 @@ get_ssa(
        SubstringsAssertion ssa;
 
        *text = "error decoding filter";
+       *out = NULL;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_ssa: conn %d  begin\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "begin get_ssa\n", 0, 0, 0 );
-#endif
        if ( ber_scanf( ber, "{m" /*}*/, &desc ) == LBER_ERROR ) {
                return SLAPD_DISCONNECT;
        }
@@ -372,7 +348,17 @@ get_ssa(
        rc = slap_bv2ad( &desc, &ssa.sa_desc, text );
 
        if( rc != LDAP_SUCCESS ) {
-               return LDAP_SUCCESS;
+               Debug( LDAP_DEBUG_ANY, 
+                       "get_ssa: conn %d unknown attribute type=%s (%d)\n",
+                       op->o_connid, desc.bv_val, 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;
        }
 
        rc = LDAP_PROTOCOL_ERROR;
@@ -410,15 +396,9 @@ get_ssa(
                default:
                        rc = LDAP_PROTOCOL_ERROR;
 
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, ERR,
-                               "get_filter_substring: conn %d  unknown substring choice=%ld\n",
-                               op->o_connid, (long)tag, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER,
                                "  unknown substring choice=%ld\n",
                                (long) tag, 0, 0 );
-#endif
 
                        goto return_error;
                }
@@ -436,19 +416,13 @@ get_ssa(
 
                switch ( tag ) {
                case LDAP_SUBSTRING_INITIAL:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, DETAIL1,
-                               "get_ssa: conn %d  INITIAL\n",
-                               op->o_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER, "  INITIAL\n", 0, 0, 0 );
-#endif
 
                        if ( ssa.sa_initial.bv_val != NULL
                                || ssa.sa_any != NULL 
                                || ssa.sa_final.bv_val != NULL )
                        {
-                               sl_free( nvalue.bv_val, op->o_tmpmemctx );
+                               slap_sl_free( nvalue.bv_val, op->o_tmpmemctx );
                                goto return_error;
                        }
 
@@ -456,16 +430,10 @@ get_ssa(
                        break;
 
                case LDAP_SUBSTRING_ANY:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, DETAIL1,
-                               "get_ssa: conn %d  ANY\n",
-                               op->o_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER, "  ANY\n", 0, 0, 0 );
-#endif
 
                        if ( ssa.sa_final.bv_val != NULL ) {
-                               sl_free( nvalue.bv_val, op->o_tmpmemctx );
+                               slap_sl_free( nvalue.bv_val, op->o_tmpmemctx );
                                goto return_error;
                        }
 
@@ -473,16 +441,10 @@ get_ssa(
                        break;
 
                case LDAP_SUBSTRING_FINAL:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, DETAIL1, 
-                               "get_ssa: conn %d  FINAL\n",
-                               op->o_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER, "  FINAL\n", 0, 0, 0 );
-#endif
 
                        if ( ssa.sa_final.bv_val != NULL ) {
-                               sl_free( nvalue.bv_val, op->o_tmpmemctx );
+                               slap_sl_free( nvalue.bv_val, op->o_tmpmemctx );
                                goto return_error;
                        }
 
@@ -490,31 +452,19 @@ get_ssa(
                        break;
 
                default:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, INFO, 
-                               "get_ssa: conn %d  unknown substring type %ld\n",
-                               op->o_connid, (long)tag, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER,
                                "  unknown substring type=%ld\n",
                                (long) tag, 0, 0 );
-#endif
 
                        assert( 0 );
-                       sl_free( nvalue.bv_val, op->o_tmpmemctx );
+                       slap_sl_free( nvalue.bv_val, op->o_tmpmemctx );
 
 return_error:
-#ifdef NEW_LOGGING
-                       LDAP_LOG( FILTER, INFO, 
-                               "get_ssa: conn %d  error %ld\n",
-                               op->o_connid, (long)rc, 0 );
-#else
                        Debug( LDAP_DEBUG_FILTER, "  error=%ld\n",
                                (long) rc, 0, 0 );
-#endif
-                       sl_free( ssa.sa_initial.bv_val, op->o_tmpmemctx );
+                       slap_sl_free( ssa.sa_initial.bv_val, op->o_tmpmemctx );
                        ber_bvarray_free_x( ssa.sa_any, op->o_tmpmemctx );
-                       sl_free( ssa.sa_final.bv_val, op->o_tmpmemctx );
+                       slap_sl_free( ssa.sa_final.bv_val, op->o_tmpmemctx );
                        return rc;
                }
 
@@ -526,14 +476,9 @@ return_error:
                **out = ssa;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_ssa: conn %d exit\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "end get_ssa\n", 0, 0, 0 );
-#endif
 
-       return LDAP_SUCCESS;
+       return rc /* LDAP_SUCCESS */ ;
 }
 
 void
@@ -584,13 +529,8 @@ filter_free_x( Operation *op, Filter *f )
                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;
        }
 
@@ -601,22 +541,31 @@ void
 filter_free( Filter *f )
 {
        Operation op;
+       Opheader ohdr;
 
-       op.o_tmpmemctx = NULL;
-       op.o_tmpmfuncs = &ch_mfuncs;
+       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;
-       ber_len_t len;
+       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_x( "No filter!", sizeof("No filter!")-1, 1, fstr, op->o_tmpmemctx );
+               ber_dupbv_x( fstr, &ber_bvnone, op->o_tmpmemctx );
                return;
        }
 
@@ -690,7 +639,8 @@ filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
                        filter_escape_value_x( &f->f_sub_initial, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.bv_len;
-                       fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1, op->o_tmpmemctx );
+                       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*)",
@@ -702,10 +652,12 @@ filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
                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_x( &f->f_sub_any[i], &tmp, op->o_tmpmemctx );
+                               filter_escape_value_x( &f->f_sub_any[i],
+                                       &tmp, op->o_tmpmemctx );
 
                                fstr->bv_len += tmp.bv_len + 1;
-                               fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1, op->o_tmpmemctx );
+                               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*)",
@@ -720,7 +672,8 @@ filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
                        filter_escape_value_x( &f->f_sub_final, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.bv_len;
-                       fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1, op->o_tmpmemctx );
+                       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)",
@@ -756,7 +709,8 @@ filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
                        filter2bv_x( op, p, &tmp );
                        
                        fstr->bv_len += tmp.bv_len;
-                       fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1, op->o_tmpmemctx );
+                       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 );
@@ -767,46 +721,55 @@ filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
                break;
 
        case LDAP_FILTER_EXT: {
-               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 = "";
-               }
+                       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 = 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_val );
-               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
+                       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_val );
+                       ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                } break;
 
        case SLAPD_FILTER_COMPUTED:
-               ber_str2bv_x(
-                       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, op->o_tmpmemctx );
-               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_x( "(?=unknown)", sizeof("(?=unknown)")-1, 1, fstr, op->o_tmpmemctx );
+               ber_dupbv_x( fstr, &ber_bvunknown, op->o_tmpmemctx );
                break;
        }
 }
@@ -815,13 +778,16 @@ void
 filter2bv( Filter *f, struct berval *fstr )
 {
        Operation op;
+       Opheader ohdr;
+
+       op.o_hdr = &ohdr;
        op.o_tmpmemctx = NULL;
        op.o_tmpmfuncs = &ch_mfuncs;
 
        filter2bv_x( &op, f, fstr );
 }
 
-int
+static int
 filter_escape_value_x(
        struct berval *in,
        struct berval *out,
@@ -832,7 +798,7 @@ filter_escape_value_x(
        assert( out );
 
        i = in->bv_len * 3 + 1;
-       out->bv_val = ctx ? sl_malloc( i, ctx ) : ch_malloc( i );
+       out->bv_val = ctx ? slap_sl_malloc( i, ctx ) : ch_malloc( i );
        out->bv_len = 0;
 
        for( i=0; i < in->bv_len ; i++ ) {
@@ -869,12 +835,7 @@ get_simple_vrFilter(
        int             err;
        ValuesReturnFilter vrf;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_simple_vrFilter: conn %d\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "begin get_simple_vrFilter\n", 0, 0, 0 );
-#endif
 
        tag = ber_peek_tag( ber, &len );
 
@@ -890,12 +851,7 @@ get_simple_vrFilter(
 
        switch ( vrf.vrf_choice ) {
        case LDAP_FILTER_EQUALITY:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL2, 
-                       "get_simple_vrFilter: conn %d  EQUALITY\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
-#endif
                err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_EQUALITY, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
@@ -905,22 +861,12 @@ get_simple_vrFilter(
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d  SUBSTRINGS\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
-#endif
                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", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
-#endif
                err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_ORDERING, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
@@ -928,12 +874,7 @@ get_simple_vrFilter(
                break;
 
        case LDAP_FILTER_LE:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d  LE\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
-#endif
                err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_ORDERING, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
@@ -943,12 +884,7 @@ get_simple_vrFilter(
        case LDAP_FILTER_PRESENT: {
                struct berval type;
 
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d PRESENT\n", op->o_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";
@@ -960,6 +896,11 @@ get_simple_vrFilter(
 
                if( err != LDAP_SUCCESS ) {
                        /* unrecognized attribute description or other error */
+                       Debug( LDAP_DEBUG_ANY, 
+                               "get_simple_vrFilter: conn %d 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;
@@ -968,12 +909,7 @@ get_simple_vrFilter(
                } break;
 
        case LDAP_FILTER_APPROX:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d  APPROX\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
-#endif
                err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_EQUALITY_APPROX, text );
                if ( err != LDAP_SUCCESS ) {
                        break;
@@ -981,12 +917,7 @@ get_simple_vrFilter(
                break;
 
        case LDAP_FILTER_EXT:
-#ifdef NEW_LOGGING
-               LDAP_LOG( FILTER, DETAIL1, 
-                       "get_simple_vrFilter: conn %d  EXTENSIBLE\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
-#endif
 
                err = get_mra( op, ber, &vrf.vrf_mra, text );
                if ( err != LDAP_SUCCESS ) {
@@ -998,14 +929,8 @@ get_simple_vrFilter(
 
        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",
-                       op->o_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;
                break;
@@ -1023,12 +948,7 @@ get_simple_vrFilter(
                **filt = vrf;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, DETAIL2, 
-               "get_simple_vrFilter: conn %d exit\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "end get_simple_vrFilter %d\n", err, 0, 0 );
-#endif
 
        return err;
 }
@@ -1072,12 +992,7 @@ get_vrFilter( Operation *op, BerElement *ber,
        ber_len_t       len;
        char            *last;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_vrFilter: conn %d start\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "begin get_vrFilter\n", 0, 0, 0 );
-#endif
 
        tag = ber_peek_tag( ber, &len );
 
@@ -1104,12 +1019,7 @@ get_vrFilter( Operation *op, BerElement *ber,
        }
        *n = NULL;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( FILTER, ENTRY, 
-               "get_vrFilter: conn %d exit\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_FILTER, "end get_vrFilter\n", 0, 0, 0 );
-#endif
        return( LDAP_SUCCESS );
 }
 
@@ -1155,13 +1065,8 @@ vrFilter_free( Operation *op, ValuesReturnFilter *vrf )
                        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;
                }
 
@@ -1177,7 +1082,8 @@ vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
        ber_len_t len;
 
        if ( vrf == NULL ) {
-               ber_str2bv_x( "No filter!", sizeof("No filter!")-1, 1, fstr, op->o_tmpmemctx );
+               ber_str2bv_x( "No filter!", sizeof("No filter!")-1,
+                       1, fstr, op->o_tmpmemctx );
                return;
        }
 
@@ -1192,7 +1098,8 @@ vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
                simple_vrFilter2bv( op, p, &tmp );
                        
                fstr->bv_len += tmp.bv_len;
-               fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1, op->o_tmpmemctx );
+               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 );
@@ -1208,7 +1115,8 @@ simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr
        ber_len_t len;
 
        if ( vrf == NULL ) {
-               ber_str2bv_x( "No filter!", sizeof("No filter!")-1, 1, fstr, op->o_tmpmemctx );
+               ber_str2bv_x( "No filter!", sizeof("No filter!")-1, 1, fstr,
+                       op->o_tmpmemctx );
                return;
        }
 
@@ -1282,7 +1190,8 @@ simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr
                        filter_escape_value_x( &vrf->vrf_sub_initial, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.bv_len;
-                       fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1, op->o_tmpmemctx );
+                       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*)",
@@ -1295,10 +1204,12 @@ simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr
                        int i;
                        for ( i = 0; vrf->vrf_sub_any[i].bv_val != NULL; i++ ) {
                                len = fstr->bv_len;
-                               filter_escape_value_x( &vrf->vrf_sub_any[i], &tmp, op->o_tmpmemctx );
+                               filter_escape_value_x( &vrf->vrf_sub_any[i], &tmp,
+                                       op->o_tmpmemctx );
 
                                fstr->bv_len += tmp.bv_len + 1;
-                               fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1, op->o_tmpmemctx );
+                               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*)",
@@ -1313,7 +1224,8 @@ simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr
                        filter_escape_value_x( &vrf->vrf_sub_final, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.bv_len;
-                       fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1, op->o_tmpmemctx );
+                       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)",
@@ -1346,7 +1258,8 @@ simple_vrFilter2bv( Operation *op, 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 = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 
@@ -1364,208 +1277,18 @@ simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr
                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,
+                       vrf->vrf_result == SLAPD_COMPARE_UNDEFINED
+                               ? sizeof("(?=undefined)")-1 : sizeof("(?=error)")-1,
                        1, fstr, op->o_tmpmemctx );
                break;
 
        default:
-               ber_str2bv_x( "(?=unknown)", sizeof("(?=unknown)")-1, 1, fstr, op->o_tmpmemctx );
+               ber_str2bv_x( "(?=unknown)", sizeof("(?=unknown)")-1,
+                       1, fstr, op->o_tmpmemctx );
                break;
        }
 }
-
-#if 0 /* unused */
-static int
-get_substring_vrFilter(
-       Operation *op,
-       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", op->o_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",
-                               op->o_connid, (long)tag, 0 );
-#else
-                       Debug( LDAP_DEBUG_FILTER,
-                               "  unknown substring choice=%ld\n",
-                               (long) tag, 0, 0 );
-#endif
-                       goto return_error;
-               }
-
-               /* 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;
-               }
-
-               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", 
-                               op->o_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", op->o_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", op->o_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",
-                               op->o_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",
-                               op->o_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", op->o_connid, 0, 0 );
-#else
-       Debug( LDAP_DEBUG_FILTER, "end get_substring_filter\n", 0, 0, 0 );
-#endif
-       return( LDAP_SUCCESS );
-}
-#endif /* unused */