1 /* filter.c - routines for parsing and dealing with filters */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2008 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
16 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
17 * All rights reserved.
19 * Redistribution and use in source and binary forms are permitted
20 * provided that this notice is preserved and that due credit is given
21 * to the University of Michigan at Ann Arbor. The name of the University
22 * may not be used to endorse or promote products derived from this
23 * software without specific prior written permission. This software
24 * is provided ``as is'' without express or implied warranty.
31 #include <ac/socket.h>
32 #include <ac/string.h>
37 const Filter *slap_filter_objectClass_pres;
38 const struct berval *slap_filterstr_objectClass_pres;
40 static int get_filter_list(
52 static void simple_vrFilter2bv(
54 ValuesReturnFilter *f,
55 struct berval *fstr );
57 static int get_simple_vrFilter(
60 ValuesReturnFilter **f,
66 static Filter filter_objectClass_pres = { LDAP_FILTER_PRESENT };
67 static struct berval filterstr_objectClass_pres = BER_BVC("(objectClass=*)");
69 filter_objectClass_pres.f_desc = slap_schema.si_ad_objectClass;
71 slap_filter_objectClass_pres = &filter_objectClass_pres;
72 slap_filterstr_objectClass_pres = &filterstr_objectClass_pres;
78 filter_destroy( void )
95 Debug( LDAP_DEBUG_FILTER, "begin get_filter\n", 0, 0, 0 );
97 * A filter looks like this coming in:
99 * and [0] SET OF Filter,
100 * or [1] SET OF Filter,
102 * equalityMatch [3] AttributeValueAssertion,
103 * substrings [4] SubstringFilter,
104 * greaterOrEqual [5] AttributeValueAssertion,
105 * lessOrEqual [6] AttributeValueAssertion,
106 * present [7] AttributeType,
107 * approxMatch [8] AttributeValueAssertion,
108 * extensibleMatch [9] MatchingRuleAssertion
111 * SubstringFilter ::= SEQUENCE {
112 * type AttributeType,
113 * SEQUENCE OF CHOICE {
114 * initial [0] IA5String,
116 * final [2] IA5String
120 * MatchingRuleAssertion ::= SEQUENCE {
121 * matchingRule [1] MatchingRuleId OPTIONAL,
122 * type [2] AttributeDescription OPTIONAL,
123 * matchValue [3] AssertionValue,
124 * dnAttributes [4] BOOLEAN DEFAULT FALSE
129 tag = ber_peek_tag( ber, &len );
131 if( tag == LBER_ERROR ) {
132 *text = "error decoding filter";
133 return SLAPD_DISCONNECT;
141 switch ( f.f_choice ) {
142 case LDAP_FILTER_EQUALITY:
143 Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
144 err = get_ava( op, ber, &f, SLAP_MR_EQUALITY, text );
145 if ( err != LDAP_SUCCESS ) {
149 assert( f.f_ava != NULL );
152 case LDAP_FILTER_SUBSTRINGS:
153 Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
154 err = get_ssa( op, ber, &f, text );
155 if( err != LDAP_SUCCESS ) {
158 assert( f.f_sub != NULL );
162 Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
163 err = get_ava( op, ber, &f, SLAP_MR_ORDERING, text );
164 if ( err != LDAP_SUCCESS ) {
167 assert( f.f_ava != NULL );
171 Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
172 err = get_ava( op, ber, &f, SLAP_MR_ORDERING, text );
173 if ( err != LDAP_SUCCESS ) {
176 assert( f.f_ava != NULL );
179 case LDAP_FILTER_PRESENT: {
182 Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
183 if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
184 err = SLAPD_DISCONNECT;
185 *text = "error decoding filter";
190 err = slap_bv2ad( &type, &f.f_desc, text );
192 if( err != LDAP_SUCCESS ) {
193 f.f_choice |= SLAPD_FILTER_UNDEFINED;
194 err = slap_bv2undef_ad( &type, &f.f_desc, text,
195 SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
197 if ( err != LDAP_SUCCESS ) {
198 /* unrecognized attribute description or other error */
199 Debug( LDAP_DEBUG_ANY,
200 "get_filter: conn %lu unknown attribute "
202 op->o_connid, type.bv_val, err );
205 f.f_desc = slap_bv2tmp_ad( &type, op->o_tmpmemctx );
210 assert( f.f_desc != NULL );
213 case LDAP_FILTER_APPROX:
214 Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
215 err = get_ava( op, ber, &f, SLAP_MR_EQUALITY_APPROX, text );
216 if ( err != LDAP_SUCCESS ) {
219 assert( f.f_ava != NULL );
222 case LDAP_FILTER_AND:
223 Debug( LDAP_DEBUG_FILTER, "AND\n", 0, 0, 0 );
224 err = get_filter_list( op, ber, &f.f_and, text );
225 if ( err != LDAP_SUCCESS ) {
228 if ( f.f_and == NULL ) {
229 f.f_choice = SLAPD_FILTER_COMPUTED;
230 f.f_result = LDAP_COMPARE_TRUE;
232 /* no assert - list could be empty */
236 Debug( LDAP_DEBUG_FILTER, "OR\n", 0, 0, 0 );
237 err = get_filter_list( op, ber, &f.f_or, text );
238 if ( err != LDAP_SUCCESS ) {
241 if ( f.f_or == NULL ) {
242 f.f_choice = SLAPD_FILTER_COMPUTED;
243 f.f_result = LDAP_COMPARE_FALSE;
245 /* no assert - list could be empty */
248 case LDAP_FILTER_NOT:
249 Debug( LDAP_DEBUG_FILTER, "NOT\n", 0, 0, 0 );
250 (void) ber_skip_tag( ber, &len );
251 err = get_filter( op, ber, &f.f_not, text );
252 if ( err != LDAP_SUCCESS ) {
256 assert( f.f_not != NULL );
257 if ( f.f_not->f_choice == SLAPD_FILTER_COMPUTED ) {
258 int fresult = f.f_not->f_result;
259 f.f_choice = SLAPD_FILTER_COMPUTED;
260 op->o_tmpfree( f.f_not, op->o_tmpmemctx );
264 case LDAP_COMPARE_TRUE:
265 f.f_result = LDAP_COMPARE_FALSE;
267 case LDAP_COMPARE_FALSE:
268 f.f_result = LDAP_COMPARE_TRUE;
271 /* (!Undefined) is Undefined */
276 case LDAP_FILTER_EXT:
277 Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
279 err = get_mra( op, ber, &f, text );
280 if ( err != LDAP_SUCCESS ) {
284 assert( f.f_mra != NULL );
288 (void) ber_scanf( ber, "x" ); /* skip the element */
289 Debug( LDAP_DEBUG_ANY, "get_filter: unknown filter type=%lu\n",
291 f.f_choice = SLAPD_FILTER_COMPUTED;
292 f.f_result = SLAPD_COMPARE_UNDEFINED;
296 if( err != LDAP_SUCCESS && err != SLAPD_DISCONNECT ) {
299 f.f_choice = SLAPD_FILTER_COMPUTED;
300 f.f_result = SLAPD_COMPARE_UNDEFINED;
304 if ( err == LDAP_SUCCESS ) {
305 *filt = op->o_tmpalloc( sizeof(f), op->o_tmpmemctx );
309 Debug( LDAP_DEBUG_FILTER, "end get_filter %d\n", err, 0, 0 );
315 get_filter_list( Operation *op, BerElement *ber,
325 Debug( LDAP_DEBUG_FILTER, "begin get_filter_list\n", 0, 0, 0 );
327 for ( tag = ber_first_element( ber, &len, &last );
329 tag = ber_next_element( ber, &len, last ) )
331 err = get_filter( op, ber, new, text );
332 if ( err != LDAP_SUCCESS )
334 new = &(*new)->f_next;
338 Debug( LDAP_DEBUG_FILTER, "end get_filter_list\n", 0, 0, 0 );
339 return( LDAP_SUCCESS );
352 struct berval desc, value, nvalue;
354 SubstringsAssertion ssa;
356 *text = "error decoding filter";
358 Debug( LDAP_DEBUG_FILTER, "begin get_ssa\n", 0, 0, 0 );
359 if ( ber_scanf( ber, "{m" /*}*/, &desc ) == LBER_ERROR ) {
360 return SLAPD_DISCONNECT;
366 ssa.sa_initial.bv_val = NULL;
368 ssa.sa_final.bv_val = NULL;
370 rc = slap_bv2ad( &desc, &ssa.sa_desc, text );
372 if( rc != LDAP_SUCCESS ) {
373 f->f_choice |= SLAPD_FILTER_UNDEFINED;
374 rc = slap_bv2undef_ad( &desc, &ssa.sa_desc, text,
375 SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
377 if( rc != LDAP_SUCCESS ) {
378 Debug( LDAP_DEBUG_ANY,
379 "get_ssa: conn %lu unknown attribute type=%s (%ld)\n",
380 op->o_connid, desc.bv_val, (long) rc );
382 ssa.sa_desc = slap_bv2tmp_ad( &desc, op->o_tmpmemctx );
386 rc = LDAP_PROTOCOL_ERROR;
388 for ( tag = ber_first_element( ber, &len, &last );
390 tag = ber_next_element( ber, &len, last ) )
394 rc = ber_scanf( ber, "m", &value );
395 if ( rc == LBER_ERROR ) {
396 rc = SLAPD_DISCONNECT;
400 if ( value.bv_val == NULL || value.bv_len == 0 ) {
401 rc = LDAP_INVALID_SYNTAX;
406 case LDAP_SUBSTRING_INITIAL:
407 if ( ssa.sa_initial.bv_val != NULL
408 || ssa.sa_any != NULL
409 || ssa.sa_final.bv_val != NULL )
411 rc = LDAP_PROTOCOL_ERROR;
414 usage = SLAP_MR_SUBSTR_INITIAL;
417 case LDAP_SUBSTRING_ANY:
418 if ( ssa.sa_final.bv_val != NULL ) {
419 rc = LDAP_PROTOCOL_ERROR;
422 usage = SLAP_MR_SUBSTR_ANY;
425 case LDAP_SUBSTRING_FINAL:
426 if ( ssa.sa_final.bv_val != NULL ) {
427 rc = LDAP_PROTOCOL_ERROR;
431 usage = SLAP_MR_SUBSTR_FINAL;
435 Debug( LDAP_DEBUG_FILTER,
436 " unknown substring choice=%ld\n",
439 rc = LDAP_PROTOCOL_ERROR;
443 /* validate/normalize using equality matching rule validator! */
444 rc = asserted_value_validate_normalize(
445 ssa.sa_desc, ssa.sa_desc->ad_type->sat_equality,
446 usage, &value, &nvalue, text, op->o_tmpmemctx );
447 if( rc != LDAP_SUCCESS ) goto return_error;
450 case LDAP_SUBSTRING_INITIAL:
451 Debug( LDAP_DEBUG_FILTER, " INITIAL\n", 0, 0, 0 );
452 ssa.sa_initial = nvalue;
455 case LDAP_SUBSTRING_ANY:
456 Debug( LDAP_DEBUG_FILTER, " ANY\n", 0, 0, 0 );
457 ber_bvarray_add_x( &ssa.sa_any, &nvalue, op->o_tmpmemctx );
460 case LDAP_SUBSTRING_FINAL:
461 Debug( LDAP_DEBUG_FILTER, " FINAL\n", 0, 0, 0 );
462 ssa.sa_final = nvalue;
467 slap_sl_free( nvalue.bv_val, op->o_tmpmemctx );
468 rc = LDAP_PROTOCOL_ERROR;
471 Debug( LDAP_DEBUG_FILTER, " error=%ld\n",
473 slap_sl_free( ssa.sa_initial.bv_val, op->o_tmpmemctx );
474 ber_bvarray_free_x( ssa.sa_any, op->o_tmpmemctx );
475 if ( ssa.sa_desc->ad_flags & SLAP_DESC_TEMPORARY )
476 op->o_tmpfree( ssa.sa_desc, op->o_tmpmemctx );
477 slap_sl_free( ssa.sa_final.bv_val, op->o_tmpmemctx );
485 if( rc == LDAP_SUCCESS ) {
486 f->f_sub = op->o_tmpalloc( sizeof( ssa ), op->o_tmpmemctx );
490 Debug( LDAP_DEBUG_FILTER, "end get_ssa\n", 0, 0, 0 );
491 return rc /* LDAP_SUCCESS */ ;
495 filter_free_x( Operation *op, Filter *f, int freeme )
503 f->f_choice &= SLAPD_FILTER_MASK;
505 switch ( f->f_choice ) {
506 case LDAP_FILTER_PRESENT:
509 case LDAP_FILTER_EQUALITY:
512 case LDAP_FILTER_APPROX:
513 ava_free( op, f->f_ava, 1 );
516 case LDAP_FILTER_SUBSTRINGS:
517 if ( f->f_sub_initial.bv_val != NULL ) {
518 op->o_tmpfree( f->f_sub_initial.bv_val, op->o_tmpmemctx );
520 ber_bvarray_free_x( f->f_sub_any, op->o_tmpmemctx );
521 if ( f->f_sub_final.bv_val != NULL ) {
522 op->o_tmpfree( f->f_sub_final.bv_val, op->o_tmpmemctx );
524 if ( f->f_sub->sa_desc->ad_flags & SLAP_DESC_TEMPORARY )
525 op->o_tmpfree( f->f_sub->sa_desc, op->o_tmpmemctx );
526 op->o_tmpfree( f->f_sub, op->o_tmpmemctx );
529 case LDAP_FILTER_AND:
531 case LDAP_FILTER_NOT:
532 for ( p = f->f_list; p != NULL; p = next ) {
534 filter_free_x( op, p, 1 );
538 case LDAP_FILTER_EXT:
539 mra_free( op, f->f_mra, 1 );
542 case SLAPD_FILTER_COMPUTED:
546 Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
552 op->o_tmpfree( f, op->o_tmpmemctx );
557 filter_free( Filter *f )
563 op.o_tmpmemctx = slap_sl_context( f );
564 op.o_tmpmfuncs = &slap_sl_mfuncs;
565 filter_free_x( &op, f, 1 );
569 filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
573 struct berval tmp, value;
575 ber_bvfalse = BER_BVC( "(?=false)" ),
576 ber_bvtrue = BER_BVC( "(?=true)" ),
577 ber_bvundefined = BER_BVC( "(?=undefined)" ),
578 ber_bverror = BER_BVC( "(?=error)" ),
579 ber_bvunknown = BER_BVC( "(?=unknown)" ),
580 ber_bvnone = BER_BVC( "(?=none)" );
587 ber_dupbv_x( fstr, &ber_bvnone, op->o_tmpmemctx );
591 undef = f->f_choice & SLAPD_FILTER_UNDEFINED;
592 choice = f->f_choice & SLAPD_FILTER_MASK;
595 case LDAP_FILTER_EQUALITY:
596 fstr->bv_len = STRLENOF("(=)");
600 fstr->bv_len = STRLENOF("(>=)");
604 fstr->bv_len = STRLENOF("(<=)");
607 case LDAP_FILTER_APPROX:
608 fstr->bv_len = STRLENOF("(~=)");
612 value = f->f_av_value;
613 if ( f->f_av_desc->ad_type->sat_equality &&
615 ( f->f_av_desc->ad_type->sat_equality->smr_usage & SLAP_MR_MUTATION_NORMALIZER ))
617 f->f_av_desc->ad_type->sat_equality->smr_normalize(
618 (SLAP_MR_DENORMALIZE|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX),
619 NULL, NULL, &f->f_av_value, &value, op->o_tmpmemctx );
622 filter_escape_value_x( &value, &tmp, op->o_tmpmemctx );
623 /* NOTE: tmp can legitimately be NULL (meaning empty)
624 * since in a Filter values in AVAs are supposed
625 * to have been normalized, meaning that an empty value
626 * is legal for that attribute's syntax */
628 fstr->bv_len += f->f_av_desc->ad_cname.bv_len + tmp.bv_len;
631 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
633 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s)",
635 f->f_av_desc->ad_cname.bv_val, sign,
636 tmp.bv_len ? tmp.bv_val : "" );
638 if ( value.bv_val != f->f_av_value.bv_val ) {
639 ber_memfree_x( value.bv_val, op->o_tmpmemctx );
642 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
645 case LDAP_FILTER_SUBSTRINGS:
646 fstr->bv_len = f->f_sub_desc->ad_cname.bv_len +
650 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
652 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s=*)",
654 f->f_sub_desc->ad_cname.bv_val );
656 if ( f->f_sub_initial.bv_val != NULL ) {
661 filter_escape_value_x( &f->f_sub_initial, &tmp, op->o_tmpmemctx );
664 fstr->bv_len += tmplen;
665 fstr->bv_val = op->o_tmprealloc( fstr->bv_val,
666 fstr->bv_len + 1, op->o_tmpmemctx );
668 snprintf( &fstr->bv_val[len - 2],
669 tmplen + STRLENOF( /*(*/ "*)" ) + 1,
670 /* "(attr=" */ "%s*)",
671 tmp.bv_len ? tmp.bv_val : "");
673 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
676 if ( f->f_sub_any != NULL ) {
677 for ( i = 0; f->f_sub_any[i].bv_val != NULL; i++ ) {
681 filter_escape_value_x( &f->f_sub_any[i],
682 &tmp, op->o_tmpmemctx );
685 fstr->bv_len += tmplen + STRLENOF( /*(*/ ")" );
686 fstr->bv_val = op->o_tmprealloc( fstr->bv_val,
687 fstr->bv_len + 1, op->o_tmpmemctx );
689 snprintf( &fstr->bv_val[len - 1],
690 tmplen + STRLENOF( /*(*/ "*)" ) + 1,
691 /* "(attr=[init]*[any*]" */ "%s*)",
692 tmp.bv_len ? tmp.bv_val : "");
693 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
697 if ( f->f_sub_final.bv_val != NULL ) {
702 filter_escape_value_x( &f->f_sub_final, &tmp, op->o_tmpmemctx );
705 fstr->bv_len += tmplen;
706 fstr->bv_val = op->o_tmprealloc( fstr->bv_val,
707 fstr->bv_len + 1, op->o_tmpmemctx );
709 snprintf( &fstr->bv_val[len - 1],
710 tmplen + STRLENOF( /*(*/ ")" ) + 1,
711 /* "(attr=[init*][any*]" */ "%s)",
712 tmp.bv_len ? tmp.bv_val : "");
714 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
719 case LDAP_FILTER_PRESENT:
720 fstr->bv_len = f->f_desc->ad_cname.bv_len +
725 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
727 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s=*)",
729 f->f_desc->ad_cname.bv_val );
732 case LDAP_FILTER_AND:
734 case LDAP_FILTER_NOT:
735 fstr->bv_len = STRLENOF("(%)");
736 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
738 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%c)",
739 f->f_choice == LDAP_FILTER_AND ? '&' :
740 f->f_choice == LDAP_FILTER_OR ? '|' : '!' );
742 for ( p = f->f_list; p != NULL; p = p->f_next ) {
745 filter2bv_x( op, p, &tmp );
747 fstr->bv_len += tmp.bv_len;
748 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
751 snprintf( &fstr->bv_val[len-1],
752 tmp.bv_len + STRLENOF( /*(*/ ")" ) + 1,
753 /*"("*/ "%s)", tmp.bv_val );
755 op->o_tmpfree( tmp.bv_val, op->o_tmpmemctx );
760 case LDAP_FILTER_EXT: {
763 filter_escape_value_x( &f->f_mr_value, &tmp, op->o_tmpmemctx );
764 /* NOTE: tmp can legitimately be NULL (meaning empty)
765 * since in a Filter values in MRAs are supposed
766 * to have been normalized, meaning that an empty value
767 * is legal for that attribute's syntax */
769 if ( f->f_mr_desc ) {
770 ad = f->f_mr_desc->ad_cname;
776 fstr->bv_len = ad.bv_len +
777 ( f->f_mr_dnattrs ? STRLENOF(":dn") : 0 ) +
778 ( f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_len+1 : 0 ) +
779 tmp.bv_len + STRLENOF("(:=)");
780 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
782 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s%s:=%s)",
785 f->f_mr_dnattrs ? ":dn" : "",
786 f->f_mr_rule_text.bv_len ? ":" : "",
787 f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_val : "",
788 tmp.bv_len ? tmp.bv_val : "" );
789 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
792 case SLAPD_FILTER_COMPUTED:
793 switch ( f->f_result ) {
794 case LDAP_COMPARE_FALSE:
798 case LDAP_COMPARE_TRUE:
802 case SLAPD_COMPARE_UNDEFINED:
803 tmp = ber_bvundefined;
811 ber_dupbv_x( fstr, &tmp, op->o_tmpmemctx );
815 ber_dupbv_x( fstr, &ber_bvunknown, op->o_tmpmemctx );
821 filter2bv( Filter *f, struct berval *fstr )
827 op.o_tmpmemctx = NULL;
828 op.o_tmpmfuncs = &ch_mfuncs;
830 filter2bv_x( &op, f, fstr );
834 filter_dup( Filter *f, void *memctx )
836 BerMemoryFunctions *mf = &slap_sl_mfuncs;
842 n = mf->bmf_malloc( sizeof(Filter), memctx );
843 n->f_choice = f->f_choice;
846 switch( f->f_choice & SLAPD_FILTER_MASK ) {
847 case SLAPD_FILTER_COMPUTED:
848 n->f_result = f->f_result;
850 case LDAP_FILTER_PRESENT:
851 if ( f->f_desc->ad_flags & SLAP_DESC_TEMPORARY )
852 n->f_desc = slap_bv2tmp_ad( &f->f_desc->ad_cname, memctx );
854 n->f_desc = f->f_desc;
856 case LDAP_FILTER_EQUALITY:
859 case LDAP_FILTER_APPROX:
860 /* Should this be ava_dup() ? */
861 n->f_ava = mf->bmf_calloc( 1, sizeof(AttributeAssertion), memctx );
862 *n->f_ava = *f->f_ava;
863 if ( f->f_av_desc->ad_flags & SLAP_DESC_TEMPORARY )
864 n->f_av_desc = slap_bv2tmp_ad( &f->f_av_desc->ad_cname, memctx );
865 ber_dupbv_x( &n->f_av_value, &f->f_av_value, memctx );
867 case LDAP_FILTER_SUBSTRINGS:
868 n->f_sub = mf->bmf_calloc( 1, sizeof(SubstringsAssertion), memctx );
869 if ( f->f_sub_desc->ad_flags & SLAP_DESC_TEMPORARY )
870 n->f_sub_desc = slap_bv2tmp_ad( &f->f_sub_desc->ad_cname, memctx );
872 n->f_sub_desc = f->f_sub_desc;
873 if ( !BER_BVISNULL( &f->f_sub_initial ))
874 ber_dupbv_x( &n->f_sub_initial, &f->f_sub_initial, memctx );
875 if ( f->f_sub_any ) {
877 for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ );
878 n->f_sub_any = mf->bmf_malloc(( i+1 )*sizeof( struct berval ),
880 for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ ) {
881 ber_dupbv_x( &n->f_sub_any[i], &f->f_sub_any[i], memctx );
883 BER_BVZERO( &n->f_sub_any[i] );
885 if ( !BER_BVISNULL( &f->f_sub_final ))
886 ber_dupbv_x( &n->f_sub_final, &f->f_sub_final, memctx );
888 case LDAP_FILTER_EXT: {
889 /* Should this be mra_dup() ? */
891 length = sizeof(MatchingRuleAssertion);
892 if ( !BER_BVISNULL( &f->f_mr_rule_text ))
893 length += f->f_mr_rule_text.bv_len + 1;
894 n->f_mra = mf->bmf_calloc( 1, length, memctx );
895 *n->f_mra = *f->f_mra;
896 if ( f->f_mr_desc && ( f->f_sub_desc->ad_flags & SLAP_DESC_TEMPORARY ))
897 n->f_mr_desc = slap_bv2tmp_ad( &f->f_mr_desc->ad_cname, memctx );
898 ber_dupbv_x( &n->f_mr_value, &f->f_mr_value, memctx );
899 if ( !BER_BVISNULL( &f->f_mr_rule_text )) {
900 n->f_mr_rule_text.bv_val = (char *)(n->f_mra+1);
901 AC_MEMCPY(n->f_mr_rule_text.bv_val,
902 f->f_mr_rule_text.bv_val, f->f_mr_rule_text.bv_len );
905 case LDAP_FILTER_AND:
907 case LDAP_FILTER_NOT: {
909 for ( p = &n->f_list, f = f->f_list; f; f = f->f_next ) {
910 *p = filter_dup( f, memctx );
922 ValuesReturnFilter **filt,
928 ValuesReturnFilter vrf;
930 Debug( LDAP_DEBUG_FILTER, "begin get_simple_vrFilter\n", 0, 0, 0 );
932 tag = ber_peek_tag( ber, &len );
934 if( tag == LBER_ERROR ) {
935 *text = "error decoding filter";
936 return SLAPD_DISCONNECT;
942 vrf.vrf_choice = tag;
944 switch ( vrf.vrf_choice ) {
945 case LDAP_FILTER_EQUALITY:
946 Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
947 err = get_ava( op, ber, (Filter *)&vrf, SLAP_MR_EQUALITY, text );
948 if ( err != LDAP_SUCCESS ) {
952 assert( vrf.vrf_ava != NULL );
955 case LDAP_FILTER_SUBSTRINGS:
956 Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
957 err = get_ssa( op, ber, (Filter *)&vrf, text );
961 Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
962 err = get_ava( op, ber, (Filter *)&vrf, SLAP_MR_ORDERING, text );
963 if ( err != LDAP_SUCCESS ) {
969 Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
970 err = get_ava( op, ber, (Filter *)&vrf, SLAP_MR_ORDERING, text );
971 if ( err != LDAP_SUCCESS ) {
976 case LDAP_FILTER_PRESENT: {
979 Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
980 if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
981 err = SLAPD_DISCONNECT;
982 *text = "error decoding filter";
987 err = slap_bv2ad( &type, &vrf.vrf_desc, text );
989 if( err != LDAP_SUCCESS ) {
990 vrf.vrf_choice |= SLAPD_FILTER_UNDEFINED;
991 err = slap_bv2undef_ad( &type, &vrf.vrf_desc, text,
994 if( err != LDAP_SUCCESS ) {
995 /* unrecognized attribute description or other error */
996 Debug( LDAP_DEBUG_ANY,
997 "get_simple_vrFilter: conn %lu unknown "
998 "attribute type=%s (%d)\n",
999 op->o_connid, type.bv_val, err );
1001 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
1002 vrf.vrf_result = LDAP_COMPARE_FALSE;
1009 case LDAP_FILTER_APPROX:
1010 Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
1011 err = get_ava( op, ber, (Filter *)&vrf, SLAP_MR_EQUALITY_APPROX, text );
1012 if ( err != LDAP_SUCCESS ) {
1017 case LDAP_FILTER_EXT:
1018 Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
1020 err = get_mra( op, ber, (Filter *)&vrf, text );
1021 if ( err != LDAP_SUCCESS ) {
1025 assert( vrf.vrf_mra != NULL );
1029 (void) ber_scanf( ber, "x" ); /* skip the element */
1030 Debug( LDAP_DEBUG_ANY, "get_simple_vrFilter: unknown filter type=%lu\n",
1031 vrf.vrf_choice, 0, 0 );
1032 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
1033 vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
1037 if ( err != LDAP_SUCCESS && err != SLAPD_DISCONNECT ) {
1039 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
1040 vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
1044 if ( err == LDAP_SUCCESS ) {
1045 *filt = op->o_tmpalloc( sizeof vrf, op->o_tmpmemctx );
1049 Debug( LDAP_DEBUG_FILTER, "end get_simple_vrFilter %d\n", err, 0, 0 );
1055 get_vrFilter( Operation *op, BerElement *ber,
1056 ValuesReturnFilter **vrf,
1060 * A ValuesReturnFilter looks like this:
1062 * ValuesReturnFilter ::= SEQUENCE OF SimpleFilterItem
1063 * SimpleFilterItem ::= CHOICE {
1064 * equalityMatch [3] AttributeValueAssertion,
1065 * substrings [4] SubstringFilter,
1066 * greaterOrEqual [5] AttributeValueAssertion,
1067 * lessOrEqual [6] AttributeValueAssertion,
1068 * present [7] AttributeType,
1069 * approxMatch [8] AttributeValueAssertion,
1070 * extensibleMatch [9] SimpleMatchingAssertion -- LDAPv3
1073 * SubstringFilter ::= SEQUENCE {
1074 * type AttributeType,
1075 * SEQUENCE OF CHOICE {
1076 * initial [0] IA5String,
1077 * any [1] IA5String,
1078 * final [2] IA5String
1082 * SimpleMatchingAssertion ::= SEQUENCE { -- LDAPv3
1083 * matchingRule [1] MatchingRuleId OPTIONAL,
1084 * type [2] AttributeDescription OPTIONAL,
1085 * matchValue [3] AssertionValue }
1088 ValuesReturnFilter **n;
1093 Debug( LDAP_DEBUG_FILTER, "begin get_vrFilter\n", 0, 0, 0 );
1095 tag = ber_peek_tag( ber, &len );
1097 if( tag == LBER_ERROR ) {
1098 *text = "error decoding vrFilter";
1099 return SLAPD_DISCONNECT;
1102 if( tag != LBER_SEQUENCE ) {
1103 *text = "error decoding vrFilter, expect SEQUENCE tag";
1104 return SLAPD_DISCONNECT;
1108 for ( tag = ber_first_element( ber, &len, &last );
1109 tag != LBER_DEFAULT;
1110 tag = ber_next_element( ber, &len, last ) )
1112 int err = get_simple_vrFilter( op, ber, n, text );
1114 if ( err != LDAP_SUCCESS ) return( err );
1116 n = &(*n)->vrf_next;
1120 Debug( LDAP_DEBUG_FILTER, "end get_vrFilter\n", 0, 0, 0 );
1121 return( LDAP_SUCCESS );
1125 vrFilter_free( Operation *op, ValuesReturnFilter *vrf )
1127 ValuesReturnFilter *p, *next;
1129 if ( vrf == NULL ) {
1133 for ( p = vrf; p != NULL; p = next ) {
1136 switch ( vrf->vrf_choice & SLAPD_FILTER_MASK ) {
1137 case LDAP_FILTER_PRESENT:
1140 case LDAP_FILTER_EQUALITY:
1141 case LDAP_FILTER_GE:
1142 case LDAP_FILTER_LE:
1143 case LDAP_FILTER_APPROX:
1144 ava_free( op, vrf->vrf_ava, 1 );
1147 case LDAP_FILTER_SUBSTRINGS:
1148 if ( vrf->vrf_sub_initial.bv_val != NULL ) {
1149 op->o_tmpfree( vrf->vrf_sub_initial.bv_val, op->o_tmpmemctx );
1151 ber_bvarray_free_x( vrf->vrf_sub_any, op->o_tmpmemctx );
1152 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1153 op->o_tmpfree( vrf->vrf_sub_final.bv_val, op->o_tmpmemctx );
1155 op->o_tmpfree( vrf->vrf_sub, op->o_tmpmemctx );
1158 case LDAP_FILTER_EXT:
1159 mra_free( op, vrf->vrf_mra, 1 );
1162 case SLAPD_FILTER_COMPUTED:
1166 Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
1167 vrf->vrf_choice, 0, 0 );
1171 op->o_tmpfree( vrf, op->o_tmpmemctx );
1176 vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
1178 ValuesReturnFilter *p;
1182 if ( vrf == NULL ) {
1183 ber_str2bv_x( "No filter!", STRLENOF("No filter!"),
1184 1, fstr, op->o_tmpmemctx );
1188 fstr->bv_len = STRLENOF("()");
1189 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
1191 snprintf( fstr->bv_val, fstr->bv_len + 1, "()");
1193 for ( p = vrf; p != NULL; p = p->vrf_next ) {
1196 simple_vrFilter2bv( op, p, &tmp );
1198 fstr->bv_len += tmp.bv_len;
1199 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
1202 snprintf( &fstr->bv_val[len-1], tmp.bv_len + 2,
1203 /*"("*/ "%s)", tmp.bv_val );
1205 op->o_tmpfree( tmp.bv_val, op->o_tmpmemctx );
1210 simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
1216 if ( vrf == NULL ) {
1217 ber_str2bv_x( "No filter!", STRLENOF("No filter!"), 1, fstr,
1221 undef = vrf->vrf_choice & SLAPD_FILTER_UNDEFINED;
1223 switch ( vrf->vrf_choice & SLAPD_FILTER_MASK ) {
1224 case LDAP_FILTER_EQUALITY:
1225 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1227 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1228 tmp.bv_len + STRLENOF("(=)");
1229 if ( undef ) fstr->bv_len++;
1230 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1232 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=%s)",
1233 vrf->vrf_av_desc->ad_cname.bv_val,
1236 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1239 case LDAP_FILTER_GE:
1240 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1242 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1243 tmp.bv_len + STRLENOF("(>=)");
1244 if ( undef ) fstr->bv_len++;
1245 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1247 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s>=%s)",
1248 vrf->vrf_av_desc->ad_cname.bv_val,
1251 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1254 case LDAP_FILTER_LE:
1255 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1257 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1258 tmp.bv_len + STRLENOF("(<=)");
1259 if ( undef ) fstr->bv_len++;
1260 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1262 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s<=%s)",
1263 vrf->vrf_av_desc->ad_cname.bv_val,
1266 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1269 case LDAP_FILTER_APPROX:
1270 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1272 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1273 tmp.bv_len + STRLENOF("(~=)");
1274 if ( undef ) fstr->bv_len++;
1275 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1277 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s~=%s)",
1278 vrf->vrf_av_desc->ad_cname.bv_val,
1280 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1283 case LDAP_FILTER_SUBSTRINGS:
1284 fstr->bv_len = vrf->vrf_sub_desc->ad_cname.bv_len +
1286 if ( undef ) fstr->bv_len++;
1287 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
1289 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
1290 vrf->vrf_sub_desc->ad_cname.bv_val );
1292 if ( vrf->vrf_sub_initial.bv_val != NULL ) {
1295 filter_escape_value_x( &vrf->vrf_sub_initial, &tmp, op->o_tmpmemctx );
1297 fstr->bv_len += tmp.bv_len;
1298 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
1301 snprintf( &fstr->bv_val[len-2], tmp.bv_len+3,
1302 /* "(attr=" */ "%s*)",
1305 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1308 if ( vrf->vrf_sub_any != NULL ) {
1310 for ( i = 0; vrf->vrf_sub_any[i].bv_val != NULL; i++ ) {
1312 filter_escape_value_x( &vrf->vrf_sub_any[i], &tmp,
1315 fstr->bv_len += tmp.bv_len + 1;
1316 fstr->bv_val = op->o_tmprealloc( fstr->bv_val,
1317 fstr->bv_len + 1, op->o_tmpmemctx );
1319 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
1320 /* "(attr=[init]*[any*]" */ "%s*)",
1322 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1326 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1329 filter_escape_value_x( &vrf->vrf_sub_final, &tmp, op->o_tmpmemctx );
1331 fstr->bv_len += tmp.bv_len;
1332 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
1335 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
1336 /* "(attr=[init*][any*]" */ "%s)",
1339 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1344 case LDAP_FILTER_PRESENT:
1345 fstr->bv_len = vrf->vrf_desc->ad_cname.bv_len +
1347 if ( undef ) fstr->bv_len++;
1348 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1350 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
1351 vrf->vrf_desc->ad_cname.bv_val );
1354 case LDAP_FILTER_EXT: {
1356 filter_escape_value_x( &vrf->vrf_mr_value, &tmp, op->o_tmpmemctx );
1358 if ( vrf->vrf_mr_desc ) {
1359 ad = vrf->vrf_mr_desc->ad_cname;
1365 fstr->bv_len = ad.bv_len +
1366 ( vrf->vrf_mr_dnattrs ? STRLENOF(":dn") : 0 ) +
1367 ( vrf->vrf_mr_rule_text.bv_len
1368 ? vrf->vrf_mr_rule_text.bv_len+1 : 0 ) +
1369 tmp.bv_len + STRLENOF("(:=)");
1370 if ( undef ) fstr->bv_len++;
1371 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1373 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s:=%s)",
1375 vrf->vrf_mr_dnattrs ? ":dn" : "",
1376 vrf->vrf_mr_rule_text.bv_len ? ":" : "",
1377 vrf->vrf_mr_rule_text.bv_len ? vrf->vrf_mr_rule_text.bv_val : "",
1380 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1383 case SLAPD_FILTER_COMPUTED:
1385 vrf->vrf_result == LDAP_COMPARE_FALSE ? "(?=false)" :
1386 vrf->vrf_result == LDAP_COMPARE_TRUE ? "(?=true)" :
1387 vrf->vrf_result == SLAPD_COMPARE_UNDEFINED
1388 ? "(?=undefined)" : "(?=error)",
1389 vrf->vrf_result == LDAP_COMPARE_FALSE ? STRLENOF("(?=false)") :
1390 vrf->vrf_result == LDAP_COMPARE_TRUE ? STRLENOF("(?=true)") :
1391 vrf->vrf_result == SLAPD_COMPARE_UNDEFINED
1392 ? STRLENOF("(?=undefined)") : STRLENOF("(?=error)"),
1393 1, fstr, op->o_tmpmemctx );
1397 ber_str2bv_x( "(?=unknown)", STRLENOF("(?=unknown)"),
1398 1, fstr, op->o_tmpmemctx );