1 /* filter.c - routines for parsing and dealing with filters */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2007 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 static int get_filter_list(
46 SubstringsAssertion **s,
49 static void simple_vrFilter2bv(
51 ValuesReturnFilter *f,
52 struct berval *fstr );
54 static int get_simple_vrFilter(
57 ValuesReturnFilter **f,
72 Debug( LDAP_DEBUG_FILTER, "begin get_filter\n", 0, 0, 0 );
74 * A filter looks like this coming in:
76 * and [0] SET OF Filter,
77 * or [1] SET OF Filter,
79 * equalityMatch [3] AttributeValueAssertion,
80 * substrings [4] SubstringFilter,
81 * greaterOrEqual [5] AttributeValueAssertion,
82 * lessOrEqual [6] AttributeValueAssertion,
83 * present [7] AttributeType,,
84 * approxMatch [8] AttributeValueAssertion
85 * extensibleMatch [9] MatchingRuleAssertion
88 * SubstringFilter ::= SEQUENCE {
90 * SEQUENCE OF CHOICE {
91 * initial [0] IA5String,
97 * MatchingRuleAssertion ::= SEQUENCE {
98 * matchingRule [1] MatchingRuleId OPTIONAL,
99 * type [2] AttributeDescription OPTIONAL,
100 * matchValue [3] AssertionValue,
101 * dnAttributes [4] BOOLEAN DEFAULT FALSE
106 tag = ber_peek_tag( ber, &len );
108 if( tag == LBER_ERROR ) {
109 *text = "error decoding filter";
110 return SLAPD_DISCONNECT;
118 switch ( f.f_choice ) {
119 case LDAP_FILTER_EQUALITY:
120 Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
121 err = get_ava( op, ber, &f.f_ava, SLAP_MR_EQUALITY, text );
122 if ( err != LDAP_SUCCESS ) {
126 assert( f.f_ava != NULL );
129 case LDAP_FILTER_SUBSTRINGS:
130 Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
131 err = get_ssa( op, ber, &f.f_sub, text );
132 if( err != LDAP_SUCCESS ) {
135 assert( f.f_sub != NULL );
139 Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
140 err = get_ava( op, ber, &f.f_ava, SLAP_MR_ORDERING, text );
141 if ( err != LDAP_SUCCESS ) {
144 assert( f.f_ava != NULL );
148 Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
149 err = get_ava( op, ber, &f.f_ava, SLAP_MR_ORDERING, text );
150 if ( err != LDAP_SUCCESS ) {
153 assert( f.f_ava != NULL );
156 case LDAP_FILTER_PRESENT: {
159 Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
160 if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
161 err = SLAPD_DISCONNECT;
162 *text = "error decoding filter";
167 err = slap_bv2ad( &type, &f.f_desc, text );
169 if( err != LDAP_SUCCESS ) {
170 err = slap_bv2undef_ad( &type, &f.f_desc, text,
171 SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
173 if ( err != LDAP_SUCCESS ) {
174 /* unrecognized attribute description or other error */
175 Debug( LDAP_DEBUG_ANY,
176 "get_filter: conn %lu unknown attribute "
178 op->o_connid, type.bv_val, err );
180 f.f_choice = SLAPD_FILTER_COMPUTED;
181 f.f_result = LDAP_COMPARE_FALSE;
188 assert( f.f_desc != NULL );
191 case LDAP_FILTER_APPROX:
192 Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
193 err = get_ava( op, ber, &f.f_ava, SLAP_MR_EQUALITY_APPROX, text );
194 if ( err != LDAP_SUCCESS ) {
197 assert( f.f_ava != NULL );
200 case LDAP_FILTER_AND:
201 Debug( LDAP_DEBUG_FILTER, "AND\n", 0, 0, 0 );
202 err = get_filter_list( op, ber, &f.f_and, text );
203 if ( err != LDAP_SUCCESS ) {
206 if ( f.f_and == NULL ) {
207 f.f_choice = SLAPD_FILTER_COMPUTED;
208 f.f_result = LDAP_COMPARE_TRUE;
210 /* no assert - list could be empty */
214 Debug( LDAP_DEBUG_FILTER, "OR\n", 0, 0, 0 );
215 err = get_filter_list( op, ber, &f.f_or, text );
216 if ( err != LDAP_SUCCESS ) {
219 if ( f.f_or == NULL ) {
220 f.f_choice = SLAPD_FILTER_COMPUTED;
221 f.f_result = LDAP_COMPARE_FALSE;
223 /* no assert - list could be empty */
226 case LDAP_FILTER_NOT:
227 Debug( LDAP_DEBUG_FILTER, "NOT\n", 0, 0, 0 );
228 (void) ber_skip_tag( ber, &len );
229 err = get_filter( op, ber, &f.f_not, text );
230 if ( err != LDAP_SUCCESS ) {
234 assert( f.f_not != NULL );
235 if ( f.f_not->f_choice == SLAPD_FILTER_COMPUTED ) {
236 int fresult = f.f_not->f_result;
237 f.f_choice = SLAPD_FILTER_COMPUTED;
238 op->o_tmpfree( f.f_not, op->o_tmpmemctx );
242 case LDAP_COMPARE_TRUE:
243 f.f_result = LDAP_COMPARE_FALSE;
245 case LDAP_COMPARE_FALSE:
246 f.f_result = LDAP_COMPARE_TRUE;
249 /* (!Undefined) is Undefined */
254 case LDAP_FILTER_EXT:
255 Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
257 err = get_mra( op, ber, &f.f_mra, text );
258 if ( err != LDAP_SUCCESS ) {
262 assert( f.f_mra != NULL );
266 (void) ber_scanf( ber, "x" ); /* skip the element */
267 Debug( LDAP_DEBUG_ANY, "get_filter: unknown filter type=%lu\n",
269 f.f_choice = SLAPD_FILTER_COMPUTED;
270 f.f_result = SLAPD_COMPARE_UNDEFINED;
274 if( err != LDAP_SUCCESS && err != SLAPD_DISCONNECT ) {
277 f.f_choice = SLAPD_FILTER_COMPUTED;
278 f.f_result = SLAPD_COMPARE_UNDEFINED;
282 if ( err == LDAP_SUCCESS ) {
283 *filt = op->o_tmpalloc( sizeof(f), op->o_tmpmemctx );
287 Debug( LDAP_DEBUG_FILTER, "end get_filter %d\n", err, 0, 0 );
293 get_filter_list( Operation *op, BerElement *ber,
303 Debug( LDAP_DEBUG_FILTER, "begin get_filter_list\n", 0, 0, 0 );
305 for ( tag = ber_first_element( ber, &len, &last );
307 tag = ber_next_element( ber, &len, last ) )
309 err = get_filter( op, ber, new, text );
310 if ( err != LDAP_SUCCESS )
312 new = &(*new)->f_next;
316 Debug( LDAP_DEBUG_FILTER, "end get_filter_list\n", 0, 0, 0 );
317 return( LDAP_SUCCESS );
324 SubstringsAssertion **out,
330 struct berval desc, value, nvalue;
332 SubstringsAssertion ssa;
334 *text = "error decoding filter";
337 Debug( LDAP_DEBUG_FILTER, "begin get_ssa\n", 0, 0, 0 );
338 if ( ber_scanf( ber, "{m" /*}*/, &desc ) == LBER_ERROR ) {
339 return SLAPD_DISCONNECT;
345 ssa.sa_initial.bv_val = NULL;
347 ssa.sa_final.bv_val = NULL;
349 rc = slap_bv2ad( &desc, &ssa.sa_desc, text );
351 if( rc != LDAP_SUCCESS ) {
352 rc = slap_bv2undef_ad( &desc, &ssa.sa_desc, text,
353 SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
355 if( rc != LDAP_SUCCESS ) {
356 Debug( LDAP_DEBUG_ANY,
357 "get_ssa: conn %lu unknown attribute type=%s (%ld)\n",
358 op->o_connid, desc.bv_val, (long) rc );
360 /* skip over the rest of this filter */
361 for ( tag = ber_first_element( ber, &len, &last );
363 tag = ber_next_element( ber, &len, last ) ) {
364 ber_scanf( ber, "x" );
370 rc = LDAP_PROTOCOL_ERROR;
372 for ( tag = ber_first_element( ber, &len, &last );
374 tag = ber_next_element( ber, &len, last ) )
378 rc = ber_scanf( ber, "m", &value );
379 if ( rc == LBER_ERROR ) {
380 rc = SLAPD_DISCONNECT;
384 if ( value.bv_val == NULL || value.bv_len == 0 ) {
385 rc = LDAP_INVALID_SYNTAX;
390 case LDAP_SUBSTRING_INITIAL:
391 if ( ssa.sa_initial.bv_val != NULL
392 || ssa.sa_any != NULL
393 || ssa.sa_final.bv_val != NULL )
395 rc = LDAP_PROTOCOL_ERROR;
398 usage = SLAP_MR_SUBSTR_INITIAL;
401 case LDAP_SUBSTRING_ANY:
402 if ( ssa.sa_final.bv_val != NULL ) {
403 rc = LDAP_PROTOCOL_ERROR;
406 usage = SLAP_MR_SUBSTR_ANY;
409 case LDAP_SUBSTRING_FINAL:
410 if ( ssa.sa_final.bv_val != NULL ) {
411 rc = LDAP_PROTOCOL_ERROR;
415 usage = SLAP_MR_SUBSTR_FINAL;
419 Debug( LDAP_DEBUG_FILTER,
420 " unknown substring choice=%ld\n",
423 rc = LDAP_PROTOCOL_ERROR;
427 /* validate/normalize using equality matching rule validator! */
428 rc = asserted_value_validate_normalize(
429 ssa.sa_desc, ssa.sa_desc->ad_type->sat_equality,
430 usage, &value, &nvalue, text, op->o_tmpmemctx );
431 if( rc != LDAP_SUCCESS ) goto return_error;
434 case LDAP_SUBSTRING_INITIAL:
435 Debug( LDAP_DEBUG_FILTER, " INITIAL\n", 0, 0, 0 );
436 ssa.sa_initial = nvalue;
439 case LDAP_SUBSTRING_ANY:
440 Debug( LDAP_DEBUG_FILTER, " ANY\n", 0, 0, 0 );
441 ber_bvarray_add_x( &ssa.sa_any, &nvalue, op->o_tmpmemctx );
444 case LDAP_SUBSTRING_FINAL:
445 Debug( LDAP_DEBUG_FILTER, " FINAL\n", 0, 0, 0 );
446 ssa.sa_final = nvalue;
451 slap_sl_free( nvalue.bv_val, op->o_tmpmemctx );
452 rc = LDAP_PROTOCOL_ERROR;
455 Debug( LDAP_DEBUG_FILTER, " error=%ld\n",
457 slap_sl_free( ssa.sa_initial.bv_val, op->o_tmpmemctx );
458 ber_bvarray_free_x( ssa.sa_any, op->o_tmpmemctx );
459 slap_sl_free( ssa.sa_final.bv_val, op->o_tmpmemctx );
466 if( rc == LDAP_SUCCESS ) {
467 *out = op->o_tmpalloc( sizeof( ssa ), op->o_tmpmemctx );
471 Debug( LDAP_DEBUG_FILTER, "end get_ssa\n", 0, 0, 0 );
472 return rc /* LDAP_SUCCESS */ ;
476 filter_free_x( Operation *op, Filter *f )
484 switch ( f->f_choice ) {
485 case LDAP_FILTER_PRESENT:
488 case LDAP_FILTER_EQUALITY:
491 case LDAP_FILTER_APPROX:
492 ava_free( op, f->f_ava, 1 );
495 case LDAP_FILTER_SUBSTRINGS:
496 if ( f->f_sub_initial.bv_val != NULL ) {
497 op->o_tmpfree( f->f_sub_initial.bv_val, op->o_tmpmemctx );
499 ber_bvarray_free_x( f->f_sub_any, op->o_tmpmemctx );
500 if ( f->f_sub_final.bv_val != NULL ) {
501 op->o_tmpfree( f->f_sub_final.bv_val, op->o_tmpmemctx );
503 op->o_tmpfree( f->f_sub, op->o_tmpmemctx );
506 case LDAP_FILTER_AND:
508 case LDAP_FILTER_NOT:
509 for ( p = f->f_list; p != NULL; p = next ) {
511 filter_free_x( op, p );
515 case LDAP_FILTER_EXT:
516 mra_free( op, f->f_mra, 1 );
519 case SLAPD_FILTER_COMPUTED:
523 Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
528 op->o_tmpfree( f, op->o_tmpmemctx );
532 filter_free( Filter *f )
538 op.o_tmpmemctx = slap_sl_context( f );
539 op.o_tmpmfuncs = &slap_sl_mfuncs;
540 filter_free_x( &op, f );
544 filter2bv_x( Operation *op, Filter *f, struct berval *fstr )
550 ber_bvfalse = BER_BVC( "(?=false)" ),
551 ber_bvtrue = BER_BVC( "(?=true)" ),
552 ber_bvundefined = BER_BVC( "(?=undefined)" ),
553 ber_bverror = BER_BVC( "(?=error)" ),
554 ber_bvunknown = BER_BVC( "(?=unknown)" ),
555 ber_bvnone = BER_BVC( "(?=none)" );
559 ber_dupbv_x( fstr, &ber_bvnone, op->o_tmpmemctx );
563 switch ( f->f_choice ) {
564 case LDAP_FILTER_EQUALITY:
565 if ( f->f_av_desc->ad_type->sat_syntax == slap_schema.si_ad_entryUUID->ad_type->sat_syntax ) {
566 tmp.bv_val = op->o_tmpalloc( LDAP_LUTIL_UUIDSTR_BUFSIZE, op->o_tmpmemctx );
567 tmp.bv_len = lutil_uuidstr_from_normalized( f->f_av_value.bv_val,
568 f->f_av_value.bv_len, tmp.bv_val, LDAP_LUTIL_UUIDSTR_BUFSIZE );
569 assert( tmp.bv_len > 0 );
571 filter_escape_value_x( &f->f_av_value, &tmp, op->o_tmpmemctx );
574 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
575 tmp.bv_len + ( sizeof("(=)") - 1 );
576 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
578 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=%s)",
579 f->f_av_desc->ad_cname.bv_val,
580 tmp.bv_len ? tmp.bv_val : "(null)");
582 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
586 filter_escape_value_x( &f->f_av_value, &tmp, op->o_tmpmemctx );
588 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
589 tmp.bv_len + ( sizeof("(>=)") - 1 );
590 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
592 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s>=%s)",
593 f->f_av_desc->ad_cname.bv_val,
594 tmp.bv_len ? tmp.bv_val : "(null)");
596 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
600 filter_escape_value_x( &f->f_av_value, &tmp, op->o_tmpmemctx );
602 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
603 tmp.bv_len + ( sizeof("(<=)") - 1 );
604 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
606 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s<=%s)",
607 f->f_av_desc->ad_cname.bv_val,
608 tmp.bv_len ? tmp.bv_val : "(null)");
610 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
613 case LDAP_FILTER_APPROX:
614 filter_escape_value_x( &f->f_av_value, &tmp, op->o_tmpmemctx );
616 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
617 tmp.bv_len + ( sizeof("(~=)") - 1 );
618 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
620 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s~=%s)",
621 f->f_av_desc->ad_cname.bv_val,
622 tmp.bv_len ? tmp.bv_val : "(null)");
623 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
626 case LDAP_FILTER_SUBSTRINGS:
627 fstr->bv_len = f->f_sub_desc->ad_cname.bv_len +
628 ( sizeof("(=*)") - 1 );
629 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
631 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
632 f->f_sub_desc->ad_cname.bv_val );
634 if ( f->f_sub_initial.bv_val != NULL ) {
637 filter_escape_value_x( &f->f_sub_initial, &tmp, op->o_tmpmemctx );
639 fstr->bv_len += tmp.bv_len;
640 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
643 snprintf( &fstr->bv_val[len-2], tmp.bv_len+3,
644 /* "(attr=" */ "%s*)",
645 tmp.bv_len ? tmp.bv_val : "(null)");
647 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
650 if ( f->f_sub_any != NULL ) {
651 for ( i = 0; f->f_sub_any[i].bv_val != NULL; i++ ) {
653 filter_escape_value_x( &f->f_sub_any[i],
654 &tmp, op->o_tmpmemctx );
656 fstr->bv_len += tmp.bv_len + 1;
657 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
660 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
661 /* "(attr=[init]*[any*]" */ "%s*)",
662 tmp.bv_len ? tmp.bv_val : "(null)");
663 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
667 if ( f->f_sub_final.bv_val != NULL ) {
670 filter_escape_value_x( &f->f_sub_final, &tmp, op->o_tmpmemctx );
672 fstr->bv_len += tmp.bv_len;
673 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
676 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
677 /* "(attr=[init*][any*]" */ "%s)",
678 tmp.bv_len ? tmp.bv_val : "(null)");
680 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
685 case LDAP_FILTER_PRESENT:
686 fstr->bv_len = f->f_desc->ad_cname.bv_len +
687 ( sizeof("(=*)") - 1 );
688 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
690 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
691 f->f_desc->ad_cname.bv_val );
694 case LDAP_FILTER_AND:
696 case LDAP_FILTER_NOT:
697 fstr->bv_len = sizeof("(%)") - 1;
698 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
700 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%c)",
701 f->f_choice == LDAP_FILTER_AND ? '&' :
702 f->f_choice == LDAP_FILTER_OR ? '|' : '!' );
704 for ( p = f->f_list; p != NULL; p = p->f_next ) {
707 filter2bv_x( op, p, &tmp );
709 fstr->bv_len += tmp.bv_len;
710 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
713 snprintf( &fstr->bv_val[len-1], tmp.bv_len + 2,
714 /*"("*/ "%s)", tmp.bv_val );
716 op->o_tmpfree( tmp.bv_val, op->o_tmpmemctx );
721 case LDAP_FILTER_EXT: {
723 filter_escape_value_x( &f->f_mr_value, &tmp, op->o_tmpmemctx );
725 if ( f->f_mr_desc ) {
726 ad = f->f_mr_desc->ad_cname;
732 fstr->bv_len = ad.bv_len +
733 ( f->f_mr_dnattrs ? sizeof(":dn")-1 : 0 ) +
734 ( f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_len+1 : 0 ) +
735 tmp.bv_len + ( sizeof("(:=)") - 1 );
736 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
738 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s:=%s)",
740 f->f_mr_dnattrs ? ":dn" : "",
741 f->f_mr_rule_text.bv_len ? ":" : "",
742 f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_val : "",
743 tmp.bv_len ? tmp.bv_val : "(null)");
744 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
747 case SLAPD_FILTER_COMPUTED:
748 switch ( f->f_result ) {
749 case LDAP_COMPARE_FALSE:
753 case LDAP_COMPARE_TRUE:
757 case SLAPD_COMPARE_UNDEFINED:
758 tmp = ber_bvundefined;
766 ber_dupbv_x( fstr, &tmp, op->o_tmpmemctx );
770 ber_dupbv_x( fstr, &ber_bvunknown, op->o_tmpmemctx );
776 filter2bv( Filter *f, struct berval *fstr )
782 op.o_tmpmemctx = NULL;
783 op.o_tmpmfuncs = &ch_mfuncs;
785 filter2bv_x( &op, f, fstr );
789 filter_dup( Filter *f, void *memctx )
791 BerMemoryFunctions *mf = &slap_sl_mfuncs;
797 n = mf->bmf_malloc( sizeof(Filter), memctx );
798 n->f_choice = f->f_choice;
801 switch( f->f_choice ) {
802 case SLAPD_FILTER_COMPUTED:
803 n->f_result = f->f_result;
805 case LDAP_FILTER_PRESENT:
806 n->f_desc = f->f_desc;
808 case LDAP_FILTER_EQUALITY:
811 case LDAP_FILTER_APPROX:
812 /* Should this be ava_dup() ? */
813 n->f_ava = mf->bmf_calloc( 1, sizeof(AttributeAssertion), memctx );
814 *n->f_ava = *f->f_ava;
815 ber_dupbv_x( &n->f_av_value, &f->f_av_value, memctx );
817 case LDAP_FILTER_SUBSTRINGS:
818 n->f_sub = mf->bmf_calloc( 1, sizeof(SubstringsAssertion), memctx );
819 n->f_sub_desc = f->f_sub_desc;
820 if ( !BER_BVISNULL( &f->f_sub_initial ))
821 ber_dupbv_x( &n->f_sub_initial, &f->f_sub_initial, memctx );
822 if ( f->f_sub_any ) {
824 for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ );
825 n->f_sub_any = mf->bmf_malloc(( i+1 )*sizeof( struct berval ),
827 for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ ) {
828 ber_dupbv_x( &n->f_sub_any[i], &f->f_sub_any[i], memctx );
830 BER_BVZERO( &n->f_sub_any[i] );
832 if ( !BER_BVISNULL( &f->f_sub_final ))
833 ber_dupbv_x( &n->f_sub_final, &f->f_sub_final, memctx );
835 case LDAP_FILTER_EXT: {
836 /* Should this be mra_dup() ? */
838 length = sizeof(MatchingRuleAssertion);
839 if ( !BER_BVISNULL( &f->f_mr_rule_text ))
840 length += f->f_mr_rule_text.bv_len + 1;
841 n->f_mra = mf->bmf_calloc( 1, length, memctx );
842 *n->f_mra = *f->f_mra;
843 ber_dupbv_x( &n->f_mr_value, &f->f_mr_value, memctx );
844 if ( !BER_BVISNULL( &f->f_mr_rule_text )) {
845 n->f_mr_rule_text.bv_val = (char *)(n->f_mra+1);
846 AC_MEMCPY(n->f_mr_rule_text.bv_val,
847 f->f_mr_rule_text.bv_val, f->f_mr_rule_text.bv_len );
850 case LDAP_FILTER_AND:
852 case LDAP_FILTER_NOT: {
854 for ( p = &n->f_list, f = f->f_list; f; f = f->f_next ) {
855 *p = filter_dup( f, memctx );
867 ValuesReturnFilter **filt,
873 ValuesReturnFilter vrf;
875 Debug( LDAP_DEBUG_FILTER, "begin get_simple_vrFilter\n", 0, 0, 0 );
877 tag = ber_peek_tag( ber, &len );
879 if( tag == LBER_ERROR ) {
880 *text = "error decoding filter";
881 return SLAPD_DISCONNECT;
887 vrf.vrf_choice = tag;
889 switch ( vrf.vrf_choice ) {
890 case LDAP_FILTER_EQUALITY:
891 Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
892 err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_EQUALITY, text );
893 if ( err != LDAP_SUCCESS ) {
897 assert( vrf.vrf_ava != NULL );
900 case LDAP_FILTER_SUBSTRINGS:
901 Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
902 err = get_ssa( op, ber, &vrf.vrf_sub, text );
906 Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
907 err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_ORDERING, text );
908 if ( err != LDAP_SUCCESS ) {
914 Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
915 err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_ORDERING, text );
916 if ( err != LDAP_SUCCESS ) {
921 case LDAP_FILTER_PRESENT: {
924 Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
925 if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
926 err = SLAPD_DISCONNECT;
927 *text = "error decoding filter";
932 err = slap_bv2ad( &type, &vrf.vrf_desc, text );
934 if( err != LDAP_SUCCESS ) {
935 err = slap_bv2undef_ad( &type, &vrf.vrf_desc, text,
936 SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
938 if( err != LDAP_SUCCESS ) {
939 /* unrecognized attribute description or other error */
940 Debug( LDAP_DEBUG_ANY,
941 "get_simple_vrFilter: conn %lu unknown "
942 "attribute type=%s (%d)\n",
943 op->o_connid, type.bv_val, err );
945 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
946 vrf.vrf_result = LDAP_COMPARE_FALSE;
953 case LDAP_FILTER_APPROX:
954 Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
955 err = get_ava( op, ber, &vrf.vrf_ava, SLAP_MR_EQUALITY_APPROX, text );
956 if ( err != LDAP_SUCCESS ) {
961 case LDAP_FILTER_EXT:
962 Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
964 err = get_mra( op, ber, &vrf.vrf_mra, text );
965 if ( err != LDAP_SUCCESS ) {
969 assert( vrf.vrf_mra != NULL );
973 (void) ber_scanf( ber, "x" ); /* skip the element */
974 Debug( LDAP_DEBUG_ANY, "get_simple_vrFilter: unknown filter type=%lu\n",
975 vrf.vrf_choice, 0, 0 );
976 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
977 vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
981 if ( err != LDAP_SUCCESS && err != SLAPD_DISCONNECT ) {
983 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
984 vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
988 if ( err == LDAP_SUCCESS ) {
989 *filt = op->o_tmpalloc( sizeof vrf, op->o_tmpmemctx );
993 Debug( LDAP_DEBUG_FILTER, "end get_simple_vrFilter %d\n", err, 0, 0 );
999 get_vrFilter( Operation *op, BerElement *ber,
1000 ValuesReturnFilter **vrf,
1004 * A ValuesReturnFilter looks like this:
1006 * ValuesReturnFilter ::= SEQUENCE OF SimpleFilterItem
1007 * SimpleFilterItem ::= CHOICE {
1008 * equalityMatch [3] AttributeValueAssertion,
1009 * substrings [4] SubstringFilter,
1010 * greaterOrEqual [5] AttributeValueAssertion,
1011 * lessOrEqual [6] AttributeValueAssertion,
1012 * present [7] AttributeType,
1013 * approxMatch [8] AttributeValueAssertion,
1014 * extensibleMatch [9] SimpleMatchingAssertion -- LDAPv3
1017 * SubstringFilter ::= SEQUENCE {
1018 * type AttributeType,
1019 * SEQUENCE OF CHOICE {
1020 * initial [0] IA5String,
1021 * any [1] IA5String,
1022 * final [2] IA5String
1026 * SimpleMatchingAssertion ::= SEQUENCE { -- LDAPv3
1027 * matchingRule [1] MatchingRuleId OPTIONAL,
1028 * type [2] AttributeDescription OPTIONAL,
1029 * matchValue [3] AssertionValue }
1032 ValuesReturnFilter **n;
1037 Debug( LDAP_DEBUG_FILTER, "begin get_vrFilter\n", 0, 0, 0 );
1039 tag = ber_peek_tag( ber, &len );
1041 if( tag == LBER_ERROR ) {
1042 *text = "error decoding vrFilter";
1043 return SLAPD_DISCONNECT;
1046 if( tag != LBER_SEQUENCE ) {
1047 *text = "error decoding vrFilter, expect SEQUENCE tag";
1048 return SLAPD_DISCONNECT;
1052 for ( tag = ber_first_element( ber, &len, &last );
1053 tag != LBER_DEFAULT;
1054 tag = ber_next_element( ber, &len, last ) )
1056 int err = get_simple_vrFilter( op, ber, n, text );
1058 if ( err != LDAP_SUCCESS ) return( err );
1060 n = &(*n)->vrf_next;
1064 Debug( LDAP_DEBUG_FILTER, "end get_vrFilter\n", 0, 0, 0 );
1065 return( LDAP_SUCCESS );
1069 vrFilter_free( Operation *op, ValuesReturnFilter *vrf )
1071 ValuesReturnFilter *p, *next;
1073 if ( vrf == NULL ) {
1077 for ( p = vrf; p != NULL; p = next ) {
1080 switch ( vrf->vrf_choice ) {
1081 case LDAP_FILTER_PRESENT:
1084 case LDAP_FILTER_EQUALITY:
1085 case LDAP_FILTER_GE:
1086 case LDAP_FILTER_LE:
1087 case LDAP_FILTER_APPROX:
1088 ava_free( op, vrf->vrf_ava, 1 );
1091 case LDAP_FILTER_SUBSTRINGS:
1092 if ( vrf->vrf_sub_initial.bv_val != NULL ) {
1093 op->o_tmpfree( vrf->vrf_sub_initial.bv_val, op->o_tmpmemctx );
1095 ber_bvarray_free_x( vrf->vrf_sub_any, op->o_tmpmemctx );
1096 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1097 op->o_tmpfree( vrf->vrf_sub_final.bv_val, op->o_tmpmemctx );
1099 op->o_tmpfree( vrf->vrf_sub, op->o_tmpmemctx );
1102 case LDAP_FILTER_EXT:
1103 mra_free( op, vrf->vrf_mra, 1 );
1106 case SLAPD_FILTER_COMPUTED:
1110 Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
1111 vrf->vrf_choice, 0, 0 );
1115 op->o_tmpfree( vrf, op->o_tmpmemctx );
1120 vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
1122 ValuesReturnFilter *p;
1126 if ( vrf == NULL ) {
1127 ber_str2bv_x( "No filter!", sizeof("No filter!")-1,
1128 1, fstr, op->o_tmpmemctx );
1132 fstr->bv_len = sizeof("()") - 1;
1133 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
1135 snprintf( fstr->bv_val, fstr->bv_len + 1, "()");
1137 for ( p = vrf; p != NULL; p = p->vrf_next ) {
1140 simple_vrFilter2bv( op, p, &tmp );
1142 fstr->bv_len += tmp.bv_len;
1143 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
1146 snprintf( &fstr->bv_val[len-1], tmp.bv_len + 2,
1147 /*"("*/ "%s)", tmp.bv_val );
1149 op->o_tmpfree( tmp.bv_val, op->o_tmpmemctx );
1154 simple_vrFilter2bv( Operation *op, ValuesReturnFilter *vrf, struct berval *fstr )
1159 if ( vrf == NULL ) {
1160 ber_str2bv_x( "No filter!", sizeof("No filter!")-1, 1, fstr,
1165 switch ( vrf->vrf_choice ) {
1166 case LDAP_FILTER_EQUALITY:
1167 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1169 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1170 tmp.bv_len + ( sizeof("(=)") - 1 );
1171 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1173 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=%s)",
1174 vrf->vrf_av_desc->ad_cname.bv_val,
1177 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1180 case LDAP_FILTER_GE:
1181 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1183 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1184 tmp.bv_len + ( sizeof("(>=)") - 1 );
1185 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1187 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s>=%s)",
1188 vrf->vrf_av_desc->ad_cname.bv_val,
1191 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1194 case LDAP_FILTER_LE:
1195 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1197 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1198 tmp.bv_len + ( sizeof("(<=)") - 1 );
1199 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1201 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s<=%s)",
1202 vrf->vrf_av_desc->ad_cname.bv_val,
1205 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1208 case LDAP_FILTER_APPROX:
1209 filter_escape_value_x( &vrf->vrf_av_value, &tmp, op->o_tmpmemctx );
1211 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1212 tmp.bv_len + ( sizeof("(~=)") - 1 );
1213 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1215 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s~=%s)",
1216 vrf->vrf_av_desc->ad_cname.bv_val,
1218 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1221 case LDAP_FILTER_SUBSTRINGS:
1222 fstr->bv_len = vrf->vrf_sub_desc->ad_cname.bv_len +
1223 ( sizeof("(=*)") - 1 );
1224 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
1226 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
1227 vrf->vrf_sub_desc->ad_cname.bv_val );
1229 if ( vrf->vrf_sub_initial.bv_val != NULL ) {
1232 filter_escape_value_x( &vrf->vrf_sub_initial, &tmp, op->o_tmpmemctx );
1234 fstr->bv_len += tmp.bv_len;
1235 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
1238 snprintf( &fstr->bv_val[len-2], tmp.bv_len+3,
1239 /* "(attr=" */ "%s*)",
1242 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1245 if ( vrf->vrf_sub_any != NULL ) {
1247 for ( i = 0; vrf->vrf_sub_any[i].bv_val != NULL; i++ ) {
1249 filter_escape_value_x( &vrf->vrf_sub_any[i], &tmp,
1252 fstr->bv_len += tmp.bv_len + 1;
1253 fstr->bv_val = op->o_tmprealloc( fstr->bv_val,
1254 fstr->bv_len + 1, op->o_tmpmemctx );
1256 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
1257 /* "(attr=[init]*[any*]" */ "%s*)",
1259 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1263 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1266 filter_escape_value_x( &vrf->vrf_sub_final, &tmp, op->o_tmpmemctx );
1268 fstr->bv_len += tmp.bv_len;
1269 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
1272 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
1273 /* "(attr=[init*][any*]" */ "%s)",
1276 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1281 case LDAP_FILTER_PRESENT:
1282 fstr->bv_len = vrf->vrf_desc->ad_cname.bv_len +
1283 ( sizeof("(=*)") - 1 );
1284 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1286 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
1287 vrf->vrf_desc->ad_cname.bv_val );
1290 case LDAP_FILTER_EXT: {
1292 filter_escape_value_x( &vrf->vrf_mr_value, &tmp, op->o_tmpmemctx );
1294 if ( vrf->vrf_mr_desc ) {
1295 ad = vrf->vrf_mr_desc->ad_cname;
1301 fstr->bv_len = ad.bv_len +
1302 ( vrf->vrf_mr_dnattrs ? sizeof(":dn")-1 : 0 ) +
1303 ( vrf->vrf_mr_rule_text.bv_len
1304 ? vrf->vrf_mr_rule_text.bv_len+1 : 0 ) +
1305 tmp.bv_len + ( sizeof("(:=)") - 1 );
1306 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
1308 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s:=%s)",
1310 vrf->vrf_mr_dnattrs ? ":dn" : "",
1311 vrf->vrf_mr_rule_text.bv_len ? ":" : "",
1312 vrf->vrf_mr_rule_text.bv_len ? vrf->vrf_mr_rule_text.bv_val : "",
1315 ber_memfree_x( tmp.bv_val, op->o_tmpmemctx );
1318 case SLAPD_FILTER_COMPUTED:
1320 vrf->vrf_result == LDAP_COMPARE_FALSE ? "(?=false)" :
1321 vrf->vrf_result == LDAP_COMPARE_TRUE ? "(?=true)" :
1322 vrf->vrf_result == SLAPD_COMPARE_UNDEFINED
1323 ? "(?=undefined)" : "(?=error)",
1324 vrf->vrf_result == LDAP_COMPARE_FALSE ? sizeof("(?=false)")-1 :
1325 vrf->vrf_result == LDAP_COMPARE_TRUE ? sizeof("(?=true)")-1 :
1326 vrf->vrf_result == SLAPD_COMPARE_UNDEFINED
1327 ? sizeof("(?=undefined)")-1 : sizeof("(?=error)")-1,
1328 1, fstr, op->o_tmpmemctx );
1332 ber_str2bv_x( "(?=unknown)", sizeof("(?=unknown)")-1,
1333 1, fstr, op->o_tmpmemctx );