]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/filter.c
ITS#2607: improve socket() error logging with AF info
[openldap] / servers / slapd / filter.c
index 8de5d6e94e3d38b973302932c0faf4d685c1191a..d634b6850dd8122d61e07fd8ff11eb02145168b6 100644 (file)
@@ -212,6 +212,10 @@ get_filter(
                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;
 
@@ -226,6 +230,10 @@ get_filter(
                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;
 
@@ -243,6 +251,23 @@ 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:
@@ -278,6 +303,7 @@ 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;
@@ -372,7 +398,13 @@ get_ssa(
        rc = slap_bv2ad( &desc, &ssa.sa_desc, text );
 
        if( rc != LDAP_SUCCESS ) {
-               return LDAP_SUCCESS;
+               /* 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;
@@ -426,7 +458,7 @@ get_ssa(
                /* validate/normalize using equality matching rule validator! */
                rc = asserted_value_validate_normalize(
                        ssa.sa_desc, ssa.sa_desc->ad_type->sat_equality,
-                       usage, &value, &nvalue, text );
+                       usage, &value, &nvalue, text, op->o_tmpmemctx );
 
                if( rc != LDAP_SUCCESS ) {
                        goto return_error;
@@ -448,7 +480,7 @@ get_ssa(
                                || ssa.sa_any != NULL 
                                || ssa.sa_final.bv_val != NULL )
                        {
-                               free( nvalue.bv_val );
+                               sl_free( nvalue.bv_val, op->o_tmpmemctx );
                                goto return_error;
                        }
 
@@ -465,15 +497,11 @@ get_ssa(
 #endif
 
                        if ( ssa.sa_final.bv_val != NULL ) {
-                               free( nvalue.bv_val );
+                               sl_free( nvalue.bv_val, op->o_tmpmemctx );
                                goto return_error;
                        }
 
-#ifdef notyet
                        ber_bvarray_add_x( &ssa.sa_any, &nvalue, op->o_tmpmemctx );
-#else
-                       ber_bvarray_add( &ssa.sa_any, &nvalue );
-#endif
                        break;
 
                case LDAP_SUBSTRING_FINAL:
@@ -486,7 +514,7 @@ get_ssa(
 #endif
 
                        if ( ssa.sa_final.bv_val != NULL ) {
-                               free( nvalue.bv_val );
+                               sl_free( nvalue.bv_val, op->o_tmpmemctx );
                                goto return_error;
                        }
 
@@ -505,7 +533,7 @@ get_ssa(
 #endif
 
                        assert( 0 );
-                       free( nvalue.bv_val );
+                       sl_free( nvalue.bv_val, op->o_tmpmemctx );
 
 return_error:
 #ifdef NEW_LOGGING
@@ -516,9 +544,9 @@ return_error:
                        Debug( LDAP_DEBUG_FILTER, "  error=%ld\n",
                                (long) rc, 0, 0 );
 #endif
-                       free( ssa.sa_initial.bv_val );
-                       ber_bvarray_free( ssa.sa_any );
-                       free( ssa.sa_final.bv_val );
+                       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 );
                        return rc;
                }
 
@@ -562,19 +590,11 @@ filter_free_x( Operation *op, Filter *f )
 
        case LDAP_FILTER_SUBSTRINGS:
                if ( f->f_sub_initial.bv_val != NULL ) {
-#ifdef notyet
                        op->o_tmpfree( f->f_sub_initial.bv_val, op->o_tmpmemctx );
-#else
-                       ch_free( f->f_sub_initial.bv_val );
-#endif
                }
-               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 ) {
-#ifdef notyet
                        op->o_tmpfree( f->f_sub_final.bv_val, op->o_tmpmemctx );
-#else
-                       ch_free( f->f_sub_final.bv_val );
-#endif
                }
                op->o_tmpfree( f->f_sub, op->o_tmpmemctx );
                break;
@@ -614,86 +634,84 @@ filter_free( Filter *f )
 {
        Operation op;
 
-       op.o_tmpmemctx = NULL;
-       op.o_tmpfree = (BER_MEMFREE_FN *)ch_free;
+       op.o_tmpmemctx = sl_context( f );
+       op.o_tmpmfuncs = &sl_mfuncs;
        filter_free_x( &op, f );
 }
 
 void
-filter2bv_x( Filter *f, struct berval *fstr, void *ctx )
+filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
 {
        int     i;
        Filter  *p;
        struct berval tmp;
        ber_len_t len;
-       BER_MEMALLOC_FN *alloc = ctx ? sl_malloc : (BER_MEMALLOC_FN *)ch_malloc;
-       BER_MEMREALLOC_FN *reallo = ctx ? sl_realloc : (BER_MEMREALLOC_FN *)ch_realloc;
 
        if ( f == NULL ) {
-               ber_str2bv_x( "No filter!", sizeof("No filter!")-1, 1, fstr, ctx );
+               ber_str2bv_x( "No filter!", sizeof("No filter!")-1, 1, fstr, op->o_tmpmemctx );
                return;
        }
 
        switch ( f->f_choice ) {
        case LDAP_FILTER_EQUALITY:
-               filter_escape_value_x( &f->f_av_value, &tmp, ctx );
+               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 = alloc( fstr->bv_len + 1, ctx );
+               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_x( tmp.bv_val, ctx );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_GE:
-               filter_escape_value_x( &f->f_av_value, &tmp, ctx );
+               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 = alloc( fstr->bv_len + 1, ctx );
+               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_x( tmp.bv_val, ctx );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_LE:
-               filter_escape_value_x( &f->f_av_value, &tmp, ctx );
+               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 = alloc( fstr->bv_len + 1, ctx );
+               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_x( tmp.bv_val, ctx );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                break;
 
        case LDAP_FILTER_APPROX:
-               filter_escape_value_x( &f->f_av_value, &tmp, ctx );
+               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 = alloc( fstr->bv_len + 1, ctx );
+               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_x( tmp.bv_val, ctx );
+               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 = alloc( fstr->bv_len + 128, ctx );
+               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 );
@@ -701,46 +719,46 @@ filter2bv_x( Filter *f, struct berval *fstr, void *ctx )
                if ( f->f_sub_initial.bv_val != NULL ) {
                        len = fstr->bv_len;
 
-                       filter_escape_value_x( &f->f_sub_initial, &tmp, ctx );
+                       filter_escape_value_x( &f->f_sub_initial, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.bv_len;
-                       fstr->bv_val = reallo( fstr->bv_val, fstr->bv_len + 1, ctx );
+                       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_x( tmp.bv_val, ctx );
+                       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_x( &f->f_sub_any[i], &tmp, ctx );
+                               filter_escape_value_x( &f->f_sub_any[i], &tmp, op->o_tmpmemctx );
 
                                fstr->bv_len += tmp.bv_len + 1;
-                               fstr->bv_val = reallo( fstr->bv_val, fstr->bv_len + 1, ctx );
+                               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_x( tmp.bv_val, ctx );
+                               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                        }
                }
 
                if ( f->f_sub_final.bv_val != NULL ) {
                        len = fstr->bv_len;
 
-                       filter_escape_value_x( &f->f_sub_final, &tmp, ctx );
+                       filter_escape_value_x( &f->f_sub_final, &tmp, op->o_tmpmemctx );
 
                        fstr->bv_len += tmp.bv_len;
-                       fstr->bv_val = reallo( fstr->bv_val, fstr->bv_len + 1, ctx );
+                       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_x( tmp.bv_val, ctx );
+                       ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                }
 
                break;
@@ -748,7 +766,7 @@ filter2bv_x( Filter *f, struct berval *fstr, void *ctx )
        case LDAP_FILTER_PRESENT:
                fstr->bv_len = f->f_desc->ad_cname.bv_len +
                        ( sizeof("(=*)") - 1 );
-               fstr->bv_val = alloc( fstr->bv_len + 1, ctx );
+               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 );
@@ -758,7 +776,7 @@ filter2bv_x( Filter *f, struct berval *fstr, void *ctx )
        case LDAP_FILTER_OR:
        case LDAP_FILTER_NOT:
                fstr->bv_len = sizeof("(%)") - 1;
-               fstr->bv_val = alloc( fstr->bv_len + 128, ctx );
+               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 ? '&' :
@@ -767,22 +785,22 @@ filter2bv_x( Filter *f, struct berval *fstr, void *ctx )
                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 = reallo( fstr->bv_val, fstr->bv_len + 1, ctx );
+                       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_x( &f->f_mr_value, &tmp, ctx );
+               filter_escape_value_x( &f->f_mr_value, &tmp, op->o_tmpmemctx );
 
                if ( f->f_mr_desc ) {
                        ad = f->f_mr_desc->ad_cname;
@@ -795,7 +813,7 @@ filter2bv_x( Filter *f, struct berval *fstr, void *ctx )
                        ( 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 = alloc( fstr->bv_len + 1, ctx );
+               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,
@@ -803,7 +821,7 @@ filter2bv_x( Filter *f, struct berval *fstr, void *ctx )
                        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, ctx );
+               ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
                } break;
 
        case SLAPD_FILTER_COMPUTED:
@@ -816,11 +834,12 @@ filter2bv_x( Filter *f, struct berval *fstr, void *ctx )
                        f->f_result == LDAP_COMPARE_TRUE ? sizeof("(?=true)")-1 :
                        f->f_result == SLAPD_COMPARE_UNDEFINED ? sizeof("(?=undefined)")-1 :
                        sizeof("(?=error)")-1,
-                       1, fstr, ctx );
+                       1, fstr, op->o_tmpmemctx );
                break;
 
        default:
-               ber_str2bv_x( "(?=unknown)", sizeof("(?=unknown)")-1, 1, fstr, ctx );
+               ber_str2bv_x( "(?=unknown)", sizeof("(?=unknown)")-1,
+                       1, fstr, op->o_tmpmemctx );
                break;
        }
 }
@@ -828,7 +847,11 @@ filter2bv_x( Filter *f, struct berval *fstr, void *ctx )
 void
 filter2bv( Filter *f, struct berval *fstr )
 {
-       filter2bv_x( f, fstr, NULL );
+       Operation op;
+       op.o_tmpmemctx = NULL;
+       op.o_tmpmfuncs = &ch_mfuncs;
+
+       filter2bv_x( &op, f, fstr );
 }
 
 int
@@ -1148,19 +1171,11 @@ vrFilter_free( Operation *op, ValuesReturnFilter *vrf )
 
                case LDAP_FILTER_SUBSTRINGS:
                        if ( vrf->vrf_sub_initial.bv_val != NULL ) {
-#ifdef notyet
                                op->o_tmpfree( vrf->vrf_sub_initial.bv_val, op->o_tmpmemctx );
-#else
-                               ch_free( vrf->vrf_sub_initial.bv_val );
-#endif
                        }
                        ber_bvarray_free_x( vrf->vrf_sub_any, op->o_tmpmemctx );
                        if ( vrf->vrf_sub_final.bv_val != NULL ) {
-#ifdef notyet
                                op->o_tmpfree( vrf->vrf_sub_final.bv_val, op->o_tmpmemctx );
-#else
-                               ch_free( vrf->vrf_sub_final.bv_val );
-#endif
                        }
                        op->o_tmpfree( vrf->vrf_sub, op->o_tmpmemctx );
                        break;
@@ -1193,11 +1208,10 @@ vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
        ValuesReturnFilter      *p;
        struct berval tmp;
        ber_len_t len;
-       BER_MEMREALLOC_FN *reallo = op->o_tmpmemctx ? sl_realloc :
-               (BER_MEMREALLOC_FN *)ch_realloc;
 
        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;
        }
 
@@ -1212,7 +1226,7 @@ vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
                simple_vrFilter2bv( op, p, &tmp );
                        
                fstr->bv_len += tmp.bv_len;
-               fstr->bv_val = reallo( 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 );
@@ -1226,8 +1240,6 @@ simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr
 {
        struct berval tmp;
        ber_len_t len;
-       BER_MEMREALLOC_FN *reallo = op->o_tmpmemctx ? sl_realloc :
-               (BER_MEMREALLOC_FN *) ch_realloc;
 
        if ( vrf == NULL ) {
                ber_str2bv_x( "No filter!", sizeof("No filter!")-1, 1, fstr, op->o_tmpmemctx );
@@ -1304,7 +1316,7 @@ 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 = reallo( 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*)",
@@ -1320,7 +1332,7 @@ simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr
                                filter_escape_value_x( &vrf->vrf_sub_any[i], &tmp, op->o_tmpmemctx );
 
                                fstr->bv_len += tmp.bv_len + 1;
-                               fstr->bv_val = reallo( 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*)",
@@ -1335,7 +1347,7 @@ 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 = reallo( 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)",
@@ -1396,198 +1408,8 @@ simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr
                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 */