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 );
484 if( rc == LDAP_SUCCESS ) {
485 f->f_sub = op->o_tmpalloc( sizeof( ssa ), op->o_tmpmemctx );
489 Debug( LDAP_DEBUG_FILTER, "end get_ssa\n", 0, 0, 0 );
490 return rc /* LDAP_SUCCESS */ ;
494 filter_free_x( Operation *op, Filter *f )
502 f->f_choice &= SLAPD_FILTER_MASK;
504 switch ( f->f_choice ) {
505 case LDAP_FILTER_PRESENT:
508 case LDAP_FILTER_EQUALITY:
511 case LDAP_FILTER_APPROX:
512 ava_free( op, f->f_ava, 1 );
515 case LDAP_FILTER_SUBSTRINGS:
516 if ( f->f_sub_initial.bv_val != NULL ) {
517 op->o_tmpfree( f->f_sub_initial.bv_val, op->o_tmpmemctx );
519 ber_bvarray_free_x( f->f_sub_any, op->o_tmpmemctx );
520 if ( f->f_sub_final.bv_val != NULL ) {
521 op->o_tmpfree( f->f_sub_final.bv_val, op->o_tmpmemctx );
523 if ( f->f_sub->sa_desc->ad_flags & SLAP_DESC_TEMPORARY )
524 op->o_tmpfree( f->f_sub->sa_desc, op->o_tmpmemctx );
525 op->o_tmpfree( f->f_sub, op->o_tmpmemctx );
528 case LDAP_FILTER_AND:
530 case LDAP_FILTER_NOT:
531 for ( p = f->f_list; p != NULL; p = next ) {
533 filter_free_x( op, p );
537 case LDAP_FILTER_EXT:
538 mra_free( op, f->f_mra, 1 );
541 case SLAPD_FILTER_COMPUTED:
545 Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
550 op->o_tmpfree( f, op->o_tmpmemctx );
554 filter_free( Filter *f )
560 op.o_tmpmemctx = slap_sl_context( f );
561 op.o_tmpmfuncs = &slap_sl_mfuncs;
562 filter_free_x( &op, f );
566 filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
570 struct berval tmp, value;
572 ber_bvfalse = BER_BVC( "(?=false)" ),
573 ber_bvtrue = BER_BVC( "(?=true)" ),
574 ber_bvundefined = BER_BVC( "(?=undefined)" ),
575 ber_bverror = BER_BVC( "(?=error)" ),
576 ber_bvunknown = BER_BVC( "(?=unknown)" ),
577 ber_bvnone = BER_BVC( "(?=none)" );
584 ber_dupbv_x( fstr, &ber_bvnone, op->o_tmpmemctx );
588 undef = f->f_choice & SLAPD_FILTER_UNDEFINED;
589 choice = f->f_choice & SLAPD_FILTER_MASK;
592 case LDAP_FILTER_EQUALITY:
593 fstr->bv_len = STRLENOF("(=)");
597 fstr->bv_len = STRLENOF("(>=)");
601 fstr->bv_len = STRLENOF("(<=)");
604 case LDAP_FILTER_APPROX:
605 fstr->bv_len = STRLENOF("(~=)");
609 value = f->f_av_value;
610 if ( f->f_av_desc->ad_type->sat_equality &&
612 ( f->f_av_desc->ad_type->sat_equality->smr_usage & SLAP_MR_MUTATION_NORMALIZER ))
614 f->f_av_desc->ad_type->sat_equality->smr_normalize(
615 (SLAP_MR_DENORMALIZE|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX),
616 NULL, NULL, &f->f_av_value, &value, op->o_tmpmemctx );
619 filter_escape_value_x( &value, &tmp, op->o_tmpmemctx );
620 /* NOTE: tmp can legitimately be NULL (meaning empty)
621 * since in a Filter values in AVAs are supposed
622 * to have been normalized, meaning that an empty value
623 * is legal for that attribute's syntax */
625 fstr->bv_len += f->f_av_desc->ad_cname.bv_len + tmp.bv_len;
628 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
630 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s)",
632 f->f_av_desc->ad_cname.bv_val, sign,
633 tmp.bv_len ? tmp.bv_val : "" );
635 if ( value.bv_val != f->f_av_value.bv_val ) {
636 ber_memfree_x( value.bv_val, op->o_tmpmemctx );
639 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
642 case LDAP_FILTER_SUBSTRINGS:
643 fstr->bv_len = f->f_sub_desc->ad_cname.bv_len +
647 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
649 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s=*)",
651 f->f_sub_desc->ad_cname.bv_val );
653 if ( f->f_sub_initial.bv_val != NULL ) {
658 filter_escape_value_x( &f->f_sub_initial, &tmp, op->o_tmpmemctx );
661 fstr->bv_len += tmplen;
662 fstr->bv_val = op->o_tmprealloc( fstr->bv_val,
663 fstr->bv_len + 1, op->o_tmpmemctx );
665 snprintf( &fstr->bv_val[len - 2],
666 tmplen + STRLENOF( /*(*/ "*)" ) + 1,
667 /* "(attr=" */ "%s*)",
668 tmp.bv_len ? tmp.bv_val : "");
670 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
673 if ( f->f_sub_any != NULL ) {
674 for ( i = 0; f->f_sub_any[i].bv_val != NULL; i++ ) {
678 filter_escape_value_x( &f->f_sub_any[i],
679 &tmp, op->o_tmpmemctx );
682 fstr->bv_len += tmplen + STRLENOF( /*(*/ ")" );
683 fstr->bv_val = op->o_tmprealloc( fstr->bv_val,
684 fstr->bv_len + 1, op->o_tmpmemctx );
686 snprintf( &fstr->bv_val[len - 1],
687 tmplen + STRLENOF( /*(*/ "*)" ) + 1,
688 /* "(attr=[init]*[any*]" */ "%s*)",
689 tmp.bv_len ? tmp.bv_val : "");
690 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
694 if ( f->f_sub_final.bv_val != NULL ) {
699 filter_escape_value_x( &f->f_sub_final, &tmp, op->o_tmpmemctx );
702 fstr->bv_len += tmplen;
703 fstr->bv_val = op->o_tmprealloc( fstr->bv_val,
704 fstr->bv_len + 1, op->o_tmpmemctx );
706 snprintf( &fstr->bv_val[len - 1],
707 tmplen + STRLENOF( /*(*/ ")" ) + 1,
708 /* "(attr=[init*][any*]" */ "%s)",
709 tmp.bv_len ? tmp.bv_val : "");
711 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
716 case LDAP_FILTER_PRESENT:
717 fstr->bv_len = f->f_desc->ad_cname.bv_len +
722 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
724 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s=*)",
726 f->f_desc->ad_cname.bv_val );
729 case LDAP_FILTER_AND:
731 case LDAP_FILTER_NOT:
732 fstr->bv_len = STRLENOF("(%)");
733 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
735 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%c)",
736 f->f_choice == LDAP_FILTER_AND ? '&' :
737 f->f_choice == LDAP_FILTER_OR ? '|' : '!' );
739 for ( p = f->f_list; p != NULL; p = p->f_next ) {
742 filter2bv_x( op, p, &tmp );
744 fstr->bv_len += tmp.bv_len;
745 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
748 snprintf( &fstr->bv_val[len-1],
749 tmp.bv_len + STRLENOF( /*(*/ ")" ) + 1,
750 /*"("*/ "%s)", tmp.bv_val );
752 op->o_tmpfree( tmp.bv_val, op->o_tmpmemctx );
757 case LDAP_FILTER_EXT: {
760 filter_escape_value_x( &f->f_mr_value, &tmp, op->o_tmpmemctx );
761 /* NOTE: tmp can legitimately be NULL (meaning empty)
762 * since in a Filter values in MRAs are supposed
763 * to have been normalized, meaning that an empty value
764 * is legal for that attribute's syntax */
766 if ( f->f_mr_desc ) {
767 ad = f->f_mr_desc->ad_cname;
773 fstr->bv_len = ad.bv_len +
774 ( f->f_mr_dnattrs ? STRLENOF(":dn") : 0 ) +
775 ( f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_len+1 : 0 ) +
776 tmp.bv_len + STRLENOF("(:=)");
777 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
779 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s%s:=%s)",
782 f->f_mr_dnattrs ? ":dn" : "",
783 f->f_mr_rule_text.bv_len ? ":" : "",
784 f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_val : "",
785 tmp.bv_len ? tmp.bv_val : "" );
786 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
789 case SLAPD_FILTER_COMPUTED:
790 switch ( f->f_result ) {
791 case LDAP_COMPARE_FALSE:
795 case LDAP_COMPARE_TRUE:
799 case SLAPD_COMPARE_UNDEFINED:
800 tmp = ber_bvundefined;
808 ber_dupbv_x( fstr, &tmp, op->o_tmpmemctx );
812 ber_dupbv_x( fstr, &ber_bvunknown, op->o_tmpmemctx );
818 filter2bv( Filter *f, struct berval *fstr )
824 op.o_tmpmemctx = NULL;
825 op.o_tmpmfuncs = &ch_mfuncs;
827 filter2bv_x( &op, f, fstr );
831 filter_dup( Filter *f, void *memctx )
833 BerMemoryFunctions *mf = &slap_sl_mfuncs;
839 n = mf->bmf_malloc( sizeof(Filter), memctx );
840 n->f_choice = f->f_choice;
843 switch( f->f_choice & SLAPD_FILTER_MASK ) {
844 case SLAPD_FILTER_COMPUTED:
845 n->f_result = f->f_result;
847 case LDAP_FILTER_PRESENT:
848 if ( f->f_desc->ad_flags & SLAP_DESC_TEMPORARY )
849 n->f_desc = slap_bv2tmp_ad( &f->f_desc->ad_cname, memctx );
851 n->f_desc = f->f_desc;
853 case LDAP_FILTER_EQUALITY:
856 case LDAP_FILTER_APPROX:
857 /* Should this be ava_dup() ? */
858 n->f_ava = mf->bmf_calloc( 1, sizeof(AttributeAssertion), memctx );
859 *n->f_ava = *f->f_ava;
860 if ( f->f_av_desc->ad_flags & SLAP_DESC_TEMPORARY )
861 n->f_av_desc = slap_bv2tmp_ad( &f->f_av_desc->ad_cname, memctx );
862 ber_dupbv_x( &n->f_av_value, &f->f_av_value, memctx );
864 case LDAP_FILTER_SUBSTRINGS:
865 n->f_sub = mf->bmf_calloc( 1, sizeof(SubstringsAssertion), memctx );
866 if ( f->f_sub_desc->ad_flags & SLAP_DESC_TEMPORARY )
867 n->f_sub_desc = slap_bv2tmp_ad( &f->f_sub_desc->ad_cname, memctx );
869 n->f_sub_desc = f->f_sub_desc;
870 if ( !BER_BVISNULL( &f->f_sub_initial ))
871 ber_dupbv_x( &n->f_sub_initial, &f->f_sub_initial, memctx );
872 if ( f->f_sub_any ) {
874 for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ );
875 n->f_sub_any = mf->bmf_malloc(( i+1 )*sizeof( struct berval ),
877 for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ ) {
878 ber_dupbv_x( &n->f_sub_any[i], &f->f_sub_any[i], memctx );
880 BER_BVZERO( &n->f_sub_any[i] );
882 if ( !BER_BVISNULL( &f->f_sub_final ))
883 ber_dupbv_x( &n->f_sub_final, &f->f_sub_final, memctx );
885 case LDAP_FILTER_EXT: {
886 /* Should this be mra_dup() ? */
888 length = sizeof(MatchingRuleAssertion);
889 if ( !BER_BVISNULL( &f->f_mr_rule_text ))
890 length += f->f_mr_rule_text.bv_len + 1;
891 n->f_mra = mf->bmf_calloc( 1, length, memctx );
892 *n->f_mra = *f->f_mra;
893 if ( f->f_mr_desc && ( f->f_sub_desc->ad_flags & SLAP_DESC_TEMPORARY ))
894 n->f_mr_desc = slap_bv2tmp_ad( &f->f_mr_desc->ad_cname, memctx );
895 ber_dupbv_x( &n->f_mr_value, &f->f_mr_value, memctx );
896 if ( !BER_BVISNULL( &f->f_mr_rule_text )) {
897 n->f_mr_rule_text.bv_val = (char *)(n->f_mra+1);
898 AC_MEMCPY(n->f_mr_rule_text.bv_val,
899 f->f_mr_rule_text.bv_val, f->f_mr_rule_text.bv_len );
902 case LDAP_FILTER_AND:
904 case LDAP_FILTER_NOT: {
906 for ( p = &n->f_list, f = f->f_list; f; f = f->f_next ) {
907 *p = filter_dup( f, memctx );
919 ValuesReturnFilter **filt,
925 ValuesReturnFilter vrf;
927 Debug( LDAP_DEBUG_FILTER, "begin get_simple_vrFilter\n", 0, 0, 0 );
929 tag = ber_peek_tag( ber, &len );
931 if( tag == LBER_ERROR ) {
932 *text = "error decoding filter";
933 return SLAPD_DISCONNECT;
939 vrf.vrf_choice = tag;
941 switch ( vrf.vrf_choice ) {
942 case LDAP_FILTER_EQUALITY:
943 Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
944 err = get_ava( op, ber, (Filter *)&vrf, SLAP_MR_EQUALITY, text );
945 if ( err != LDAP_SUCCESS ) {
949 assert( vrf.vrf_ava != NULL );
952 case LDAP_FILTER_SUBSTRINGS:
953 Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
954 err = get_ssa( op, ber, (Filter *)&vrf, text );
958 Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
959 err = get_ava( op, ber, (Filter *)&vrf, SLAP_MR_ORDERING, text );
960 if ( err != LDAP_SUCCESS ) {
966 Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
967 err = get_ava( op, ber, (Filter *)&vrf, SLAP_MR_ORDERING, text );
968 if ( err != LDAP_SUCCESS ) {
973 case LDAP_FILTER_PRESENT: {
976 Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
977 if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
978 err = SLAPD_DISCONNECT;
979 *text = "error decoding filter";
984 err = slap_bv2ad( &type, &vrf.vrf_desc, text );
986 if( err != LDAP_SUCCESS ) {
987 vrf.vrf_choice |= SLAPD_FILTER_UNDEFINED;
988 err = slap_bv2undef_ad( &type, &vrf.vrf_desc, text,
991 if( err != LDAP_SUCCESS ) {
992 /* unrecognized attribute description or other error */
993 Debug( LDAP_DEBUG_ANY,
994 "get_simple_vrFilter: conn %lu unknown "
995 "attribute type=%s (%d)\n",
996 op->o_connid, type.bv_val, err );
998 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
999 vrf.vrf_result = LDAP_COMPARE_FALSE;
1006 case LDAP_FILTER_APPROX:
1007 Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
1008 err = get_ava( op, ber, (Filter *)&vrf, SLAP_MR_EQUALITY_APPROX, text );
1009 if ( err != LDAP_SUCCESS ) {
1014 case LDAP_FILTER_EXT:
1015 Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
1017 err = get_mra( op, ber, (Filter *)&vrf, text );
1018 if ( err != LDAP_SUCCESS ) {
1022 assert( vrf.vrf_mra != NULL );
1026 (void) ber_scanf( ber, "x" ); /* skip the element */
1027 Debug( LDAP_DEBUG_ANY, "get_simple_vrFilter: unknown filter type=%lu\n",
1028 vrf.vrf_choice, 0, 0 );
1029 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
1030 vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
1034 if ( err != LDAP_SUCCESS && err != SLAPD_DISCONNECT ) {
1036 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
1037 vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
1041 if ( err == LDAP_SUCCESS ) {
1042 *filt = op->o_tmpalloc( sizeof vrf, op->o_tmpmemctx );
1046 Debug( LDAP_DEBUG_FILTER, "end get_simple_vrFilter %d\n", err, 0, 0 );
1052 get_vrFilter( Operation *op, BerElement *ber,
1053 ValuesReturnFilter **vrf,
1057 * A ValuesReturnFilter looks like this:
1059 * ValuesReturnFilter ::= SEQUENCE OF SimpleFilterItem
1060 * SimpleFilterItem ::= CHOICE {
1061 * equalityMatch [3] AttributeValueAssertion,
1062 * substrings [4] SubstringFilter,
1063 * greaterOrEqual [5] AttributeValueAssertion,
1064 * lessOrEqual [6] AttributeValueAssertion,
1065 * present [7] AttributeType,
1066 * approxMatch [8] AttributeValueAssertion,
1067 * extensibleMatch [9] SimpleMatchingAssertion -- LDAPv3
1070 * SubstringFilter ::= SEQUENCE {
1071 * type AttributeType,
1072 * SEQUENCE OF CHOICE {
1073 * initial [0] IA5String,
1074 * any [1] IA5String,
1075 * final [2] IA5String
1079 * SimpleMatchingAssertion ::= SEQUENCE { -- LDAPv3
1080 * matchingRule [1] MatchingRuleId OPTIONAL,
1081 * type [2] AttributeDescription OPTIONAL,
1082 * matchValue [3] AssertionValue }
1085 ValuesReturnFilter **n;
1090 Debug( LDAP_DEBUG_FILTER, "begin get_vrFilter\n", 0, 0, 0 );
1092 tag = ber_peek_tag( ber, &len );
1094 if( tag == LBER_ERROR ) {
1095 *text = "error decoding vrFilter";
1096 return SLAPD_DISCONNECT;
1099 if( tag != LBER_SEQUENCE ) {
1100 *text = "error decoding vrFilter, expect SEQUENCE tag";
1101 return SLAPD_DISCONNECT;
1105 for ( tag = ber_first_element( ber, &len, &last );
1106 tag != LBER_DEFAULT;
1107 tag = ber_next_element( ber, &len, last ) )
1109 int err = get_simple_vrFilter( op, ber, n, text );
1111 if ( err != LDAP_SUCCESS ) return( err );
1113 n = &(*n)->vrf_next;
1117 Debug( LDAP_DEBUG_FILTER, "end get_vrFilter\n", 0, 0, 0 );
1118 return( LDAP_SUCCESS );
1122 vrFilter_free( Operation *op, ValuesReturnFilter *vrf )
1124 ValuesReturnFilter *p, *next;
1126 if ( vrf == NULL ) {
1130 for ( p = vrf; p != NULL; p = next ) {
1133 switch ( vrf->vrf_choice & SLAPD_FILTER_MASK ) {
1134 case LDAP_FILTER_PRESENT:
1137 case LDAP_FILTER_EQUALITY:
1138 case LDAP_FILTER_GE:
1139 case LDAP_FILTER_LE:
1140 case LDAP_FILTER_APPROX:
1141 ava_free( op, vrf->vrf_ava, 1 );
1144 case LDAP_FILTER_SUBSTRINGS:
1145 if ( vrf->vrf_sub_initial.bv_val != NULL ) {
1146 op->o_tmpfree( vrf->vrf_sub_initial.bv_val, op->o_tmpmemctx );
1148 ber_bvarray_free_x( vrf->vrf_sub_any, op->o_tmpmemctx );
1149 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1150 op->o_tmpfree( vrf->vrf_sub_final.bv_val, op->o_tmpmemctx );
1152 op->o_tmpfree( vrf->vrf_sub, op->o_tmpmemctx );
1155 case LDAP_FILTER_EXT:
1156 mra_free( op, vrf->vrf_mra, 1 );
1159 case SLAPD_FILTER_COMPUTED:
1163 Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
1164 vrf->vrf_choice, 0, 0 );
1168 op->o_tmpfree( vrf, op->o_tmpmemctx );
1173 vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
1175 ValuesReturnFilter *p;
1179 if ( vrf == NULL ) {
1180 ber_str2bv_x( "No filter!", STRLENOF("No filter!"),
1181 1, fstr, op->o_tmpmemctx );
1185 fstr->bv_len = STRLENOF("()");
1186 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
1188 snprintf( fstr->bv_val, fstr->bv_len + 1, "()");
1190 for ( p = vrf; p != NULL; p = p->vrf_next ) {
1193 simple_vrFilter2bv( op, p, &tmp );
1195 fstr->bv_len += tmp.bv_len;
1196 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
1199 snprintf( &fstr->bv_val[len-1], tmp.bv_len + 2,
1200 /*"("*/ "%s)", tmp.bv_val );
1202 op->o_tmpfree( tmp.bv_val, op->o_tmpmemctx );
1207 simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
1213 if ( vrf == NULL ) {
1214 ber_str2bv_x( "No filter!", STRLENOF("No filter!"), 1, fstr,
1218 undef = vrf->vrf_choice & SLAPD_FILTER_UNDEFINED;
1220 switch ( vrf->vrf_choice & SLAPD_FILTER_MASK ) {
1221 case LDAP_FILTER_EQUALITY:
1222 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1224 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1225 tmp.bv_len + STRLENOF("(=)");
1226 if ( undef ) fstr->bv_len++;
1227 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1229 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=%s)",
1230 vrf->vrf_av_desc->ad_cname.bv_val,
1233 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1236 case LDAP_FILTER_GE:
1237 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1239 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1240 tmp.bv_len + STRLENOF("(>=)");
1241 if ( undef ) fstr->bv_len++;
1242 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1244 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s>=%s)",
1245 vrf->vrf_av_desc->ad_cname.bv_val,
1248 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1251 case LDAP_FILTER_LE:
1252 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1254 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1255 tmp.bv_len + STRLENOF("(<=)");
1256 if ( undef ) fstr->bv_len++;
1257 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1259 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s<=%s)",
1260 vrf->vrf_av_desc->ad_cname.bv_val,
1263 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1266 case LDAP_FILTER_APPROX:
1267 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1269 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1270 tmp.bv_len + STRLENOF("(~=)");
1271 if ( undef ) fstr->bv_len++;
1272 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1274 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s~=%s)",
1275 vrf->vrf_av_desc->ad_cname.bv_val,
1277 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1280 case LDAP_FILTER_SUBSTRINGS:
1281 fstr->bv_len = vrf->vrf_sub_desc->ad_cname.bv_len +
1283 if ( undef ) fstr->bv_len++;
1284 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
1286 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
1287 vrf->vrf_sub_desc->ad_cname.bv_val );
1289 if ( vrf->vrf_sub_initial.bv_val != NULL ) {
1292 filter_escape_value_x( &vrf->vrf_sub_initial, &tmp, op->o_tmpmemctx );
1294 fstr->bv_len += tmp.bv_len;
1295 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
1298 snprintf( &fstr->bv_val[len-2], tmp.bv_len+3,
1299 /* "(attr=" */ "%s*)",
1302 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1305 if ( vrf->vrf_sub_any != NULL ) {
1307 for ( i = 0; vrf->vrf_sub_any[i].bv_val != NULL; i++ ) {
1309 filter_escape_value_x( &vrf->vrf_sub_any[i], &tmp,
1312 fstr->bv_len += tmp.bv_len + 1;
1313 fstr->bv_val = op->o_tmprealloc( fstr->bv_val,
1314 fstr->bv_len + 1, op->o_tmpmemctx );
1316 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
1317 /* "(attr=[init]*[any*]" */ "%s*)",
1319 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1323 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1326 filter_escape_value_x( &vrf->vrf_sub_final, &tmp, op->o_tmpmemctx );
1328 fstr->bv_len += tmp.bv_len;
1329 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
1332 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
1333 /* "(attr=[init*][any*]" */ "%s)",
1336 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1341 case LDAP_FILTER_PRESENT:
1342 fstr->bv_len = vrf->vrf_desc->ad_cname.bv_len +
1344 if ( undef ) fstr->bv_len++;
1345 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1347 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
1348 vrf->vrf_desc->ad_cname.bv_val );
1351 case LDAP_FILTER_EXT: {
1353 filter_escape_value_x( &vrf->vrf_mr_value, &tmp, op->o_tmpmemctx );
1355 if ( vrf->vrf_mr_desc ) {
1356 ad = vrf->vrf_mr_desc->ad_cname;
1362 fstr->bv_len = ad.bv_len +
1363 ( vrf->vrf_mr_dnattrs ? STRLENOF(":dn") : 0 ) +
1364 ( vrf->vrf_mr_rule_text.bv_len
1365 ? vrf->vrf_mr_rule_text.bv_len+1 : 0 ) +
1366 tmp.bv_len + STRLENOF("(:=)");
1367 if ( undef ) fstr->bv_len++;
1368 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1370 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s:=%s)",
1372 vrf->vrf_mr_dnattrs ? ":dn" : "",
1373 vrf->vrf_mr_rule_text.bv_len ? ":" : "",
1374 vrf->vrf_mr_rule_text.bv_len ? vrf->vrf_mr_rule_text.bv_val : "",
1377 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1380 case SLAPD_FILTER_COMPUTED:
1382 vrf->vrf_result == LDAP_COMPARE_FALSE ? "(?=false)" :
1383 vrf->vrf_result == LDAP_COMPARE_TRUE ? "(?=true)" :
1384 vrf->vrf_result == SLAPD_COMPARE_UNDEFINED
1385 ? "(?=undefined)" : "(?=error)",
1386 vrf->vrf_result == LDAP_COMPARE_FALSE ? STRLENOF("(?=false)") :
1387 vrf->vrf_result == LDAP_COMPARE_TRUE ? STRLENOF("(?=true)") :
1388 vrf->vrf_result == SLAPD_COMPARE_UNDEFINED
1389 ? STRLENOF("(?=undefined)") : STRLENOF("(?=error)"),
1390 1, fstr, op->o_tmpmemctx );
1394 ber_str2bv_x( "(?=unknown)", STRLENOF("(?=unknown)"),
1395 1, fstr, op->o_tmpmemctx );