1 /* filter.c - routines for parsing and dealing with filters */
4 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/socket.h>
13 #include <ac/string.h>
17 static int get_filter_list(
26 SubstringsAssertion **s,
29 static void simple_vrFilter2bv(
30 ValuesReturnFilter *f,
31 struct berval *fstr );
33 static int get_simple_vrFilter(
36 ValuesReturnFilter **f,
56 LDAP_LOG( FILTER, ENTRY, "get_filter: conn %d\n", conn->c_connid, 0, 0 );
58 Debug( LDAP_DEBUG_FILTER, "begin get_filter\n", 0, 0, 0 );
61 * A filter looks like this coming in:
63 * and [0] SET OF Filter,
64 * or [1] SET OF Filter,
66 * equalityMatch [3] AttributeValueAssertion,
67 * substrings [4] SubstringFilter,
68 * greaterOrEqual [5] AttributeValueAssertion,
69 * lessOrEqual [6] AttributeValueAssertion,
70 * present [7] AttributeType,,
71 * approxMatch [8] AttributeValueAssertion
72 * extensibleMatch [9] MatchingRuleAssertion
75 * SubstringFilter ::= SEQUENCE {
77 * SEQUENCE OF CHOICE {
78 * initial [0] IA5String,
84 * MatchingRuleAssertion ::= SEQUENCE {
85 * matchingRule [1] MatchingRuleId OPTIONAL,
86 * type [2] AttributeDescription OPTIONAL,
87 * matchValue [3] AssertionValue,
88 * dnAttributes [4] BOOLEAN DEFAULT FALSE
93 tag = ber_peek_tag( ber, &len );
95 if( tag == LBER_ERROR ) {
96 *text = "error decoding filter";
97 return SLAPD_DISCONNECT;
105 switch ( f.f_choice ) {
106 case LDAP_FILTER_EQUALITY:
108 LDAP_LOG( FILTER, DETAIL2,
109 "get_filter: conn %d EQUALITY\n", conn->c_connid, 0, 0 );
111 Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
113 err = get_ava( ber, &f.f_ava, SLAP_MR_EQUALITY, text );
114 if ( err != LDAP_SUCCESS ) {
118 assert( f.f_ava != NULL );
121 case LDAP_FILTER_SUBSTRINGS:
123 LDAP_LOG( FILTER, DETAIL1,
124 "get_filter: conn %d SUBSTRINGS\n", conn->c_connid, 0, 0 );
126 Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
128 err = get_ssa( conn, ber, &f.f_sub, text );
129 if( err != LDAP_SUCCESS ) {
132 assert( f.f_sub != NULL );
137 LDAP_LOG( FILTER, DETAIL1,
138 "get_filter: conn %d GE\n", conn->c_connid, 0, 0 );
140 Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
142 err = get_ava( ber, &f.f_ava, SLAP_MR_ORDERING, text );
143 if ( err != LDAP_SUCCESS ) {
146 assert( f.f_ava != NULL );
151 LDAP_LOG( FILTER, DETAIL1,
152 "get_filter: conn %d LE\n", conn->c_connid, 0, 0 );
154 Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
156 err = get_ava( ber, &f.f_ava, SLAP_MR_ORDERING, text );
157 if ( err != LDAP_SUCCESS ) {
160 assert( f.f_ava != NULL );
163 case LDAP_FILTER_PRESENT: {
167 LDAP_LOG( FILTER, DETAIL1,
168 "get_filter: conn %d PRESENT\n", conn->c_connid, 0, 0 );
170 Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
172 if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
173 err = SLAPD_DISCONNECT;
174 *text = "error decoding filter";
179 err = slap_bv2ad( &type, &f.f_desc, text );
181 if( err != LDAP_SUCCESS ) {
182 /* unrecognized attribute description or other error */
183 f.f_choice = SLAPD_FILTER_COMPUTED;
184 f.f_result = LDAP_COMPARE_FALSE;
190 assert( f.f_desc != NULL );
193 case LDAP_FILTER_APPROX:
195 LDAP_LOG( FILTER, DETAIL1,
196 "get_filter: conn %d APPROX\n", conn->c_connid, 0, 0 );
198 Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
200 err = get_ava( ber, &f.f_ava, SLAP_MR_EQUALITY_APPROX, text );
201 if ( err != LDAP_SUCCESS ) {
204 assert( f.f_ava != NULL );
207 case LDAP_FILTER_AND:
209 LDAP_LOG( FILTER, DETAIL1,
210 "get_filter: conn %d AND\n", conn->c_connid, 0, 0 );
212 Debug( LDAP_DEBUG_FILTER, "AND\n", 0, 0, 0 );
214 err = get_filter_list( conn, ber, &f.f_and, text );
215 if ( err != LDAP_SUCCESS ) {
218 /* no assert - list could be empty */
223 LDAP_LOG( FILTER, DETAIL1,
224 "get_filter: conn %d OR\n", conn->c_connid, 0, 0 );
226 Debug( LDAP_DEBUG_FILTER, "OR\n", 0, 0, 0 );
228 err = get_filter_list( conn, ber, &f.f_or, text );
229 if ( err != LDAP_SUCCESS ) {
232 /* no assert - list could be empty */
235 case LDAP_FILTER_NOT:
237 LDAP_LOG( FILTER, DETAIL1,
238 "get_filter: conn %d NOT\n", conn->c_connid, 0, 0 );
240 Debug( LDAP_DEBUG_FILTER, "NOT\n", 0, 0, 0 );
242 (void) ber_skip_tag( ber, &len );
243 err = get_filter( conn, ber, &f.f_not, text );
244 if ( err != LDAP_SUCCESS ) {
249 assert( f.f_not != NULL );
253 case LDAP_FILTER_EXT:
255 LDAP_LOG( FILTER, DETAIL1,
256 "get_filter: conn %d EXTENSIBLE\n", conn->c_connid, 0, 0 );
258 Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
261 err = get_mra( ber, &f.f_mra, text );
262 if ( err != LDAP_SUCCESS ) {
267 assert( f.f_mra != NULL );
272 (void) ber_scanf( ber, "x" ); /* skip the element */
274 LDAP_LOG( FILTER, ERR,
275 "get_filter: conn %d unknown filter type=%lu\n",
276 conn->c_connid, f.f_choice, 0 );
278 Debug( LDAP_DEBUG_ANY, "get_filter: unknown filter type=%lu\n",
281 f.f_choice = SLAPD_FILTER_COMPUTED;
282 f.f_result = SLAPD_COMPARE_UNDEFINED;
286 if( err != LDAP_SUCCESS && err != SLAPD_DISCONNECT ) {
288 f.f_choice = SLAPD_FILTER_COMPUTED;
289 f.f_result = SLAPD_COMPARE_UNDEFINED;
293 if ( err == LDAP_SUCCESS ) {
294 *filt = ch_malloc( sizeof(f) );
299 LDAP_LOG( FILTER, DETAIL2,
300 "get_filter: conn %d exit\n", conn->c_connid, 0, 0 );
302 Debug( LDAP_DEBUG_FILTER, "end get_filter %d\n", err, 0, 0 );
309 get_filter_list( Connection *conn, BerElement *ber,
320 LDAP_LOG( FILTER, ENTRY,
321 "get_filter_list: conn %d start\n", conn->c_connid, 0, 0 );
323 Debug( LDAP_DEBUG_FILTER, "begin get_filter_list\n", 0, 0, 0 );
326 for ( tag = ber_first_element( ber, &len, &last );
328 tag = ber_next_element( ber, &len, last ) )
330 err = get_filter( conn, ber, new, text );
331 if ( err != LDAP_SUCCESS )
333 new = &(*new)->f_next;
338 LDAP_LOG( FILTER, ENTRY,
339 "get_filter_list: conn %d exit\n", conn->c_connid, 0, 0 );
341 Debug( LDAP_DEBUG_FILTER, "end get_filter_list\n", 0, 0, 0 );
343 return( LDAP_SUCCESS );
350 SubstringsAssertion **out,
356 struct berval desc, value, nvalue;
358 SubstringsAssertion ssa;
360 *text = "error decoding filter";
363 LDAP_LOG( FILTER, ENTRY,
364 "get_ssa: conn %d begin\n", conn->c_connid, 0, 0 );
366 Debug( LDAP_DEBUG_FILTER, "begin get_ssa\n", 0, 0, 0 );
368 if ( ber_scanf( ber, "{m" /*}*/, &desc ) == LBER_ERROR ) {
369 return SLAPD_DISCONNECT;
375 ssa.sa_initial.bv_val = NULL;
377 ssa.sa_final.bv_val = NULL;
379 rc = slap_bv2ad( &desc, &ssa.sa_desc, text );
381 if( rc != LDAP_SUCCESS ) {
385 rc = LDAP_PROTOCOL_ERROR;
387 for ( tag = ber_first_element( ber, &len, &last );
389 tag = ber_next_element( ber, &len, last ) )
393 rc = ber_scanf( ber, "m", &value );
394 if ( rc == LBER_ERROR ) {
395 rc = SLAPD_DISCONNECT;
399 if ( value.bv_val == NULL || value.bv_len == 0 ) {
400 rc = LDAP_INVALID_SYNTAX;
405 case LDAP_SUBSTRING_INITIAL:
406 usage = SLAP_MR_SUBSTR_INITIAL;
409 case LDAP_SUBSTRING_ANY:
410 usage = SLAP_MR_SUBSTR_ANY;
413 case LDAP_SUBSTRING_FINAL:
414 usage = SLAP_MR_SUBSTR_FINAL;
418 rc = LDAP_PROTOCOL_ERROR;
421 LDAP_LOG( FILTER, ERR,
422 "get_filter_substring: conn %d unknown substring choice=%ld\n",
423 conn->c_connid, (long)tag, 0 );
425 Debug( LDAP_DEBUG_FILTER,
426 " unknown substring choice=%ld\n",
434 /* validate/normalize using equality matching rule validator! */
435 rc = asserted_value_validate_normalize(
436 ssa.sa_desc, ssa.sa_desc->ad_type->sat_equality,
437 usage, &value, &nvalue, text );
439 if( rc != LDAP_SUCCESS ) {
443 /* validate using equality matching rule validator! */
444 rc = value_validate( ssa.sa_desc->ad_type->sat_equality,
446 if( rc != LDAP_SUCCESS ) {
450 rc = value_normalize( ssa.sa_desc, usage,
451 &value, &nvalue, text );
453 if( rc != LDAP_SUCCESS ) {
458 rc = LDAP_PROTOCOL_ERROR;
461 case LDAP_SUBSTRING_INITIAL:
463 LDAP_LOG( FILTER, DETAIL1,
464 "get_ssa: conn %d INITIAL\n",
465 conn->c_connid, 0, 0 );
467 Debug( LDAP_DEBUG_FILTER, " INITIAL\n", 0, 0, 0 );
470 if ( ssa.sa_initial.bv_val != NULL
471 || ssa.sa_any != NULL
472 || ssa.sa_final.bv_val != NULL )
474 free( nvalue.bv_val );
478 ssa.sa_initial = nvalue;
481 case LDAP_SUBSTRING_ANY:
483 LDAP_LOG( FILTER, DETAIL1,
484 "get_ssa: conn %d ANY\n",
485 conn->c_connid, 0, 0 );
487 Debug( LDAP_DEBUG_FILTER, " ANY\n", 0, 0, 0 );
490 if ( ssa.sa_final.bv_val != NULL ) {
491 free( nvalue.bv_val );
495 ber_bvarray_add( &ssa.sa_any, &nvalue );
498 case LDAP_SUBSTRING_FINAL:
500 LDAP_LOG( FILTER, DETAIL1,
501 "get_ssa: conn %d FINAL\n",
502 conn->c_connid, 0, 0 );
504 Debug( LDAP_DEBUG_FILTER, " FINAL\n", 0, 0, 0 );
507 if ( ssa.sa_final.bv_val != NULL ) {
508 free( nvalue.bv_val );
512 ssa.sa_final = nvalue;
517 LDAP_LOG( FILTER, INFO,
518 "get_ssa: conn %d unknown substring type %ld\n",
519 conn->c_connid, (long)tag, 0 );
521 Debug( LDAP_DEBUG_FILTER,
522 " unknown substring type=%ld\n",
527 free( nvalue.bv_val );
531 LDAP_LOG( FILTER, INFO,
532 "get_ssa: conn %d error %ld\n",
533 conn->c_connid, (long)rc, 0 );
535 Debug( LDAP_DEBUG_FILTER, " error=%ld\n",
538 free( ssa.sa_initial.bv_val );
539 ber_bvarray_free( ssa.sa_any );
540 free( ssa.sa_final.bv_val );
547 if( rc == LDAP_SUCCESS ) {
548 *out = ch_malloc( sizeof( ssa ) );
553 LDAP_LOG( FILTER, ENTRY,
554 "get_ssa: conn %d exit\n", conn->c_connid, 0, 0 );
556 Debug( LDAP_DEBUG_FILTER, "end get_ssa\n", 0, 0, 0 );
563 filter_free( Filter *f )
571 switch ( f->f_choice ) {
572 case LDAP_FILTER_PRESENT:
575 case LDAP_FILTER_EQUALITY:
578 case LDAP_FILTER_APPROX:
579 ava_free( f->f_ava, 1 );
582 case LDAP_FILTER_SUBSTRINGS:
583 if ( f->f_sub_initial.bv_val != NULL ) {
584 free( f->f_sub_initial.bv_val );
586 ber_bvarray_free( f->f_sub_any );
587 if ( f->f_sub_final.bv_val != NULL ) {
588 free( f->f_sub_final.bv_val );
593 case LDAP_FILTER_AND:
595 case LDAP_FILTER_NOT:
596 for ( p = f->f_list; p != NULL; p = next ) {
602 case LDAP_FILTER_EXT:
603 mra_free( f->f_mra, 1 );
606 case SLAPD_FILTER_COMPUTED:
611 LDAP_LOG( FILTER, ERR,
612 "filter_free: unknown filter type %lu\n", f->f_choice, 0, 0 );
614 Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
624 filter2bv( Filter *f, struct berval *fstr )
632 ber_str2bv( "No filter!", sizeof("No filter!")-1, 1, fstr );
636 switch ( f->f_choice ) {
637 case LDAP_FILTER_EQUALITY:
638 filter_escape_value( &f->f_av_value, &tmp );
640 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
641 tmp.bv_len + ( sizeof("(=)") - 1 );
642 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
644 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=%s)",
645 f->f_av_desc->ad_cname.bv_val,
648 ber_memfree( tmp.bv_val );
652 filter_escape_value( &f->f_av_value, &tmp );
654 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
655 tmp.bv_len + ( sizeof("(>=)") - 1 );
656 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
658 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s>=%s)",
659 f->f_av_desc->ad_cname.bv_val,
662 ber_memfree( tmp.bv_val );
666 filter_escape_value( &f->f_av_value, &tmp );
668 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
669 tmp.bv_len + ( sizeof("(<=)") - 1 );
670 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
672 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s<=%s)",
673 f->f_av_desc->ad_cname.bv_val,
676 ber_memfree( tmp.bv_val );
679 case LDAP_FILTER_APPROX:
680 filter_escape_value( &f->f_av_value, &tmp );
682 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
683 tmp.bv_len + ( sizeof("(~=)") - 1 );
684 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
686 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s~=%s)",
687 f->f_av_desc->ad_cname.bv_val,
689 ber_memfree( tmp.bv_val );
692 case LDAP_FILTER_SUBSTRINGS:
693 fstr->bv_len = f->f_sub_desc->ad_cname.bv_len +
694 ( sizeof("(=*)") - 1 );
695 fstr->bv_val = ch_malloc( fstr->bv_len + 128 );
697 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
698 f->f_sub_desc->ad_cname.bv_val );
700 if ( f->f_sub_initial.bv_val != NULL ) {
703 filter_escape_value( &f->f_sub_initial, &tmp );
705 fstr->bv_len += tmp.bv_len;
706 fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
708 snprintf( &fstr->bv_val[len-2], tmp.bv_len+3,
709 /* "(attr=" */ "%s*)",
712 ber_memfree( tmp.bv_val );
715 if ( f->f_sub_any != NULL ) {
716 for ( i = 0; f->f_sub_any[i].bv_val != NULL; i++ ) {
718 filter_escape_value( &f->f_sub_any[i], &tmp );
720 fstr->bv_len += tmp.bv_len + 1;
721 fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
723 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
724 /* "(attr=[init]*[any*]" */ "%s*)",
726 ber_memfree( tmp.bv_val );
730 if ( f->f_sub_final.bv_val != NULL ) {
733 filter_escape_value( &f->f_sub_final, &tmp );
735 fstr->bv_len += tmp.bv_len;
736 fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
738 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
739 /* "(attr=[init*][any*]" */ "%s)",
742 ber_memfree( tmp.bv_val );
747 case LDAP_FILTER_PRESENT:
748 fstr->bv_len = f->f_desc->ad_cname.bv_len +
749 ( sizeof("(=*)") - 1 );
750 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
752 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
753 f->f_desc->ad_cname.bv_val );
756 case LDAP_FILTER_AND:
758 case LDAP_FILTER_NOT:
759 fstr->bv_len = sizeof("(%)") - 1;
760 fstr->bv_val = ch_malloc( fstr->bv_len + 128 );
762 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%c)",
763 f->f_choice == LDAP_FILTER_AND ? '&' :
764 f->f_choice == LDAP_FILTER_OR ? '|' : '!' );
766 for ( p = f->f_list; p != NULL; p = p->f_next ) {
769 filter2bv( p, &tmp );
771 fstr->bv_len += tmp.bv_len;
772 fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
774 snprintf( &fstr->bv_val[len-1], tmp.bv_len + 2,
775 /*"("*/ "%s)", tmp.bv_val );
777 ch_free( tmp.bv_val );
782 case LDAP_FILTER_EXT: {
784 filter_escape_value( &f->f_mr_value, &tmp );
786 if ( f->f_mr_desc ) {
787 ad = f->f_mr_desc->ad_cname;
793 fstr->bv_len = ad.bv_len +
794 ( f->f_mr_dnattrs ? sizeof(":dn")-1 : 0 ) +
795 ( f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_len+1 : 0 ) +
796 tmp.bv_len + ( sizeof("(:=)") - 1 );
797 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
799 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s:=%s)",
801 f->f_mr_dnattrs ? ":dn" : "",
802 f->f_mr_rule_text.bv_len ? ":" : "",
803 f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_val : "",
805 ber_memfree( tmp.bv_val );
808 case SLAPD_FILTER_COMPUTED:
810 f->f_result == LDAP_COMPARE_FALSE ? "(?=false)" :
811 f->f_result == LDAP_COMPARE_TRUE ? "(?=true)" :
812 f->f_result == SLAPD_COMPARE_UNDEFINED ? "(?=undefined)" :
814 f->f_result == LDAP_COMPARE_FALSE ? sizeof("(?=false)")-1 :
815 f->f_result == LDAP_COMPARE_TRUE ? sizeof("(?=true)")-1 :
816 f->f_result == SLAPD_COMPARE_UNDEFINED ? sizeof("(?=undefined)")-1 :
817 sizeof("(?=error)")-1,
822 ber_str2bv( "(?=unknown)", sizeof("(?=unknown)")-1, 1, fstr );
836 out->bv_val = (char *) ch_malloc( ( in->bv_len * 3 ) + 1 );
839 for( i=0; i < in->bv_len ; i++ ) {
840 if( FILTER_ESCAPE(in->bv_val[i]) ) {
841 out->bv_val[out->bv_len++] = SLAP_ESCAPE_CHAR;
842 out->bv_val[out->bv_len++] = SLAP_ESCAPE_HI( in->bv_val[i] );
843 out->bv_val[out->bv_len++] = SLAP_ESCAPE_LO( in->bv_val[i] );
845 out->bv_val[out->bv_len++] = in->bv_val[i];
849 out->bv_val[out->bv_len] = '\0';
857 ValuesReturnFilter **filt,
863 ValuesReturnFilter vrf;
866 LDAP_LOG( FILTER, ENTRY,
867 "get_simple_vrFilter: conn %d\n", conn->c_connid, 0, 0 );
869 Debug( LDAP_DEBUG_FILTER, "begin get_simple_vrFilter\n", 0, 0, 0 );
872 tag = ber_peek_tag( ber, &len );
874 if( tag == LBER_ERROR ) {
875 *text = "error decoding filter";
876 return SLAPD_DISCONNECT;
882 vrf.vrf_choice = tag;
884 switch ( vrf.vrf_choice ) {
885 case LDAP_FILTER_EQUALITY:
887 LDAP_LOG( FILTER, DETAIL2,
888 "get_simple_vrFilter: conn %d EQUALITY\n", conn->c_connid, 0, 0 );
890 Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
892 err = get_ava( ber, &vrf.vrf_ava, SLAP_MR_EQUALITY, text );
893 if ( err != LDAP_SUCCESS ) {
897 assert( vrf.vrf_ava != NULL );
900 case LDAP_FILTER_SUBSTRINGS:
902 LDAP_LOG( FILTER, DETAIL1,
903 "get_simple_vrFilter: conn %d SUBSTRINGS\n", conn->c_connid, 0, 0 );
905 Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
907 err = get_ssa( conn, ber, &vrf.vrf_sub, text );
912 LDAP_LOG( FILTER, DETAIL1,
913 "get_simple_vrFilter: conn %d GE\n", conn->c_connid, 0, 0 );
915 Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
917 err = get_ava( ber, &vrf.vrf_ava, SLAP_MR_ORDERING, text );
918 if ( err != LDAP_SUCCESS ) {
925 LDAP_LOG( FILTER, DETAIL1,
926 "get_simple_vrFilter: conn %d LE\n", conn->c_connid, 0, 0 );
928 Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
930 err = get_ava( ber, &vrf.vrf_ava, SLAP_MR_ORDERING, text );
931 if ( err != LDAP_SUCCESS ) {
936 case LDAP_FILTER_PRESENT: {
940 LDAP_LOG( FILTER, DETAIL1,
941 "get_simple_vrFilter: conn %d PRESENT\n", conn->c_connid, 0, 0 );
943 Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
945 if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
946 err = SLAPD_DISCONNECT;
947 *text = "error decoding filter";
952 err = slap_bv2ad( &type, &vrf.vrf_desc, text );
954 if( err != LDAP_SUCCESS ) {
955 /* unrecognized attribute description or other error */
956 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
957 vrf.vrf_result = LDAP_COMPARE_FALSE;
963 case LDAP_FILTER_APPROX:
965 LDAP_LOG( FILTER, DETAIL1,
966 "get_simple_vrFilter: conn %d APPROX\n", conn->c_connid, 0, 0 );
968 Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
970 err = get_ava( ber, &vrf.vrf_ava, SLAP_MR_EQUALITY_APPROX, text );
971 if ( err != LDAP_SUCCESS ) {
976 case LDAP_FILTER_EXT:
978 LDAP_LOG( FILTER, DETAIL1,
979 "get_simple_vrFilter: conn %d EXTENSIBLE\n", conn->c_connid, 0, 0 );
981 Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
984 err = get_mra( ber, &vrf.vrf_mra, text );
985 if ( err != LDAP_SUCCESS ) {
989 assert( vrf.vrf_mra != NULL );
993 (void) ber_scanf( ber, "x" ); /* skip the element */
995 LDAP_LOG( FILTER, ERR,
996 "get_simple_vrFilter: conn %d unknown filter type=%lu\n",
997 conn->c_connid, vrf.vrf_choice, 0 );
999 Debug( LDAP_DEBUG_ANY, "get_simple_vrFilter: unknown filter type=%lu\n",
1000 vrf.vrf_choice, 0, 0 );
1002 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
1003 vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
1007 if ( err != LDAP_SUCCESS && err != SLAPD_DISCONNECT ) {
1009 vrf.vrf_choice = SLAPD_FILTER_COMPUTED;
1010 vrf.vrf_result = SLAPD_COMPARE_UNDEFINED;
1014 if ( err == LDAP_SUCCESS ) {
1015 *filt = ch_malloc( sizeof vrf );
1020 LDAP_LOG( FILTER, DETAIL2,
1021 "get_simple_vrFilter: conn %d exit\n", conn->c_connid, 0, 0 );
1023 Debug( LDAP_DEBUG_FILTER, "end get_simple_vrFilter %d\n", err, 0, 0 );
1030 get_vrFilter( Connection *conn, BerElement *ber,
1031 ValuesReturnFilter **vrf,
1035 * A ValuesReturnFilter looks like this:
1037 * ValuesReturnFilter ::= SEQUENCE OF SimpleFilterItem
1038 * SimpleFilterItem ::= CHOICE {
1039 * equalityMatch [3] AttributeValueAssertion,
1040 * substrings [4] SubstringFilter,
1041 * greaterOrEqual [5] AttributeValueAssertion,
1042 * lessOrEqual [6] AttributeValueAssertion,
1043 * present [7] AttributeType,
1044 * approxMatch [8] AttributeValueAssertion,
1045 * extensibleMatch [9] SimpleMatchingAssertion -- LDAPv3
1048 * SubstringFilter ::= SEQUENCE {
1049 * type AttributeType,
1050 * SEQUENCE OF CHOICE {
1051 * initial [0] IA5String,
1052 * any [1] IA5String,
1053 * final [2] IA5String
1057 * SimpleMatchingAssertion ::= SEQUENCE { -- LDAPv3
1058 * matchingRule [1] MatchingRuleId OPTIONAL,
1059 * type [2] AttributeDescription OPTIONAL,
1060 * matchValue [3] AssertionValue }
1063 ValuesReturnFilter **n;
1069 LDAP_LOG( FILTER, ENTRY,
1070 "get_vrFilter: conn %d start\n", conn->c_connid, 0, 0 );
1072 Debug( LDAP_DEBUG_FILTER, "begin get_vrFilter\n", 0, 0, 0 );
1075 tag = ber_peek_tag( ber, &len );
1077 if( tag == LBER_ERROR ) {
1078 *text = "error decoding vrFilter";
1079 return SLAPD_DISCONNECT;
1082 if( tag != LBER_SEQUENCE ) {
1083 *text = "error decoding vrFilter, expect SEQUENCE tag";
1084 return SLAPD_DISCONNECT;
1088 for ( tag = ber_first_element( ber, &len, &last );
1089 tag != LBER_DEFAULT;
1090 tag = ber_next_element( ber, &len, last ) )
1092 int err = get_simple_vrFilter( conn, ber, n, text );
1094 if ( err != LDAP_SUCCESS ) return( err );
1096 n = &(*n)->vrf_next;
1101 LDAP_LOG( FILTER, ENTRY,
1102 "get_vrFilter: conn %d exit\n", conn->c_connid, 0, 0 );
1104 Debug( LDAP_DEBUG_FILTER, "end get_vrFilter\n", 0, 0, 0 );
1106 return( LDAP_SUCCESS );
1110 vrFilter_free( ValuesReturnFilter *vrf )
1112 ValuesReturnFilter *p, *next;
1114 if ( vrf == NULL ) {
1118 for ( p = vrf; p != NULL; p = next ) {
1121 switch ( vrf->vrf_choice ) {
1122 case LDAP_FILTER_PRESENT:
1125 case LDAP_FILTER_EQUALITY:
1126 case LDAP_FILTER_GE:
1127 case LDAP_FILTER_LE:
1128 case LDAP_FILTER_APPROX:
1129 ava_free( vrf->vrf_ava, 1 );
1132 case LDAP_FILTER_SUBSTRINGS:
1133 if ( vrf->vrf_sub_initial.bv_val != NULL ) {
1134 free( vrf->vrf_sub_initial.bv_val );
1136 ber_bvarray_free( vrf->vrf_sub_any );
1137 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1138 free( vrf->vrf_sub_final.bv_val );
1140 ch_free( vrf->vrf_sub );
1143 case LDAP_FILTER_EXT:
1144 mra_free( vrf->vrf_mra, 1 );
1147 case SLAPD_FILTER_COMPUTED:
1152 LDAP_LOG( FILTER, ERR,
1153 "filter_free: unknown filter type %lu\n", vrf->vrf_choice, 0, 0 );
1155 Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
1156 vrf->vrf_choice, 0, 0 );
1167 vrFilter2bv( ValuesReturnFilter *vrf, struct berval *fstr )
1169 ValuesReturnFilter *p;
1173 if ( vrf == NULL ) {
1174 ber_str2bv( "No filter!", sizeof("No filter!")-1, 1, fstr );
1178 fstr->bv_len = sizeof("()") - 1;
1179 fstr->bv_val = ch_malloc( fstr->bv_len + 128 );
1181 snprintf( fstr->bv_val, fstr->bv_len + 1, "()");
1183 for ( p = vrf; p != NULL; p = p->vrf_next ) {
1186 simple_vrFilter2bv( p, &tmp );
1188 fstr->bv_len += tmp.bv_len;
1189 fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
1191 snprintf( &fstr->bv_val[len-1], tmp.bv_len + 2,
1192 /*"("*/ "%s)", tmp.bv_val );
1194 ch_free( tmp.bv_val );
1199 simple_vrFilter2bv( ValuesReturnFilter *vrf, struct berval *fstr )
1204 if ( vrf == NULL ) {
1205 ber_str2bv( "No filter!", sizeof("No filter!")-1, 1, fstr );
1209 switch ( vrf->vrf_choice ) {
1210 case LDAP_FILTER_EQUALITY:
1211 filter_escape_value( &vrf->vrf_av_value, &tmp );
1213 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1214 tmp.bv_len + ( sizeof("(=)") - 1 );
1215 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
1217 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=%s)",
1218 vrf->vrf_av_desc->ad_cname.bv_val,
1221 ber_memfree( tmp.bv_val );
1224 case LDAP_FILTER_GE:
1225 filter_escape_value( &vrf->vrf_av_value, &tmp );
1227 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1228 tmp.bv_len + ( sizeof("(>=)") - 1 );
1229 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
1231 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s>=%s)",
1232 vrf->vrf_av_desc->ad_cname.bv_val,
1235 ber_memfree( tmp.bv_val );
1238 case LDAP_FILTER_LE:
1239 filter_escape_value( &vrf->vrf_av_value, &tmp );
1241 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1242 tmp.bv_len + ( sizeof("(<=)") - 1 );
1243 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
1245 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s<=%s)",
1246 vrf->vrf_av_desc->ad_cname.bv_val,
1249 ber_memfree( tmp.bv_val );
1252 case LDAP_FILTER_APPROX:
1253 filter_escape_value( &vrf->vrf_av_value, &tmp );
1255 fstr->bv_len = vrf->vrf_av_desc->ad_cname.bv_len +
1256 tmp.bv_len + ( sizeof("(~=)") - 1 );
1257 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
1259 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s~=%s)",
1260 vrf->vrf_av_desc->ad_cname.bv_val,
1262 ber_memfree( tmp.bv_val );
1265 case LDAP_FILTER_SUBSTRINGS:
1266 fstr->bv_len = vrf->vrf_sub_desc->ad_cname.bv_len +
1267 ( sizeof("(=*)") - 1 );
1268 fstr->bv_val = ch_malloc( fstr->bv_len + 128 );
1270 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
1271 vrf->vrf_sub_desc->ad_cname.bv_val );
1273 if ( vrf->vrf_sub_initial.bv_val != NULL ) {
1276 filter_escape_value( &vrf->vrf_sub_initial, &tmp );
1278 fstr->bv_len += tmp.bv_len;
1279 fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
1281 snprintf( &fstr->bv_val[len-2], tmp.bv_len+3,
1282 /* "(attr=" */ "%s*)",
1285 ber_memfree( tmp.bv_val );
1288 if ( vrf->vrf_sub_any != NULL ) {
1290 for ( i = 0; vrf->vrf_sub_any[i].bv_val != NULL; i++ ) {
1292 filter_escape_value( &vrf->vrf_sub_any[i], &tmp );
1294 fstr->bv_len += tmp.bv_len + 1;
1295 fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
1297 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
1298 /* "(attr=[init]*[any*]" */ "%s*)",
1300 ber_memfree( tmp.bv_val );
1304 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1307 filter_escape_value( &vrf->vrf_sub_final, &tmp );
1309 fstr->bv_len += tmp.bv_len;
1310 fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
1312 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
1313 /* "(attr=[init*][any*]" */ "%s)",
1316 ber_memfree( tmp.bv_val );
1321 case LDAP_FILTER_PRESENT:
1322 fstr->bv_len = vrf->vrf_desc->ad_cname.bv_len +
1323 ( sizeof("(=*)") - 1 );
1324 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
1326 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
1327 vrf->vrf_desc->ad_cname.bv_val );
1330 case LDAP_FILTER_EXT: {
1332 filter_escape_value( &vrf->vrf_mr_value, &tmp );
1334 if ( vrf->vrf_mr_desc ) {
1335 ad = vrf->vrf_mr_desc->ad_cname;
1341 fstr->bv_len = ad.bv_len +
1342 ( vrf->vrf_mr_dnattrs ? sizeof(":dn")-1 : 0 ) +
1343 ( vrf->vrf_mr_rule_text.bv_len ? vrf->vrf_mr_rule_text.bv_len+1 : 0 ) +
1344 tmp.bv_len + ( sizeof("(:=)") - 1 );
1345 fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
1347 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s:=%s)",
1349 vrf->vrf_mr_dnattrs ? ":dn" : "",
1350 vrf->vrf_mr_rule_text.bv_len ? ":" : "",
1351 vrf->vrf_mr_rule_text.bv_len ? vrf->vrf_mr_rule_text.bv_val : "",
1354 ber_memfree( tmp.bv_val );
1357 case SLAPD_FILTER_COMPUTED:
1359 vrf->vrf_result == LDAP_COMPARE_FALSE ? "(?=false)" :
1360 vrf->vrf_result == LDAP_COMPARE_TRUE ? "(?=true)" :
1361 vrf->vrf_result == SLAPD_COMPARE_UNDEFINED ? "(?=undefined)" :
1363 vrf->vrf_result == LDAP_COMPARE_FALSE ? sizeof("(?=false)")-1 :
1364 vrf->vrf_result == LDAP_COMPARE_TRUE ? sizeof("(?=true)")-1 :
1365 vrf->vrf_result == SLAPD_COMPARE_UNDEFINED ? sizeof("(?=undefined)")-1 :
1366 sizeof("(?=error)")-1,
1371 ber_str2bv( "(?=unknown)", sizeof("(?=unknown)")-1, 1, fstr );
1378 get_substring_vrFilter(
1381 ValuesReturnFilter *vrf,
1387 struct berval value;
1390 *text = "error decoding filter";
1393 LDAP_LOG( FILTER, ENTRY,
1394 "get_substring_filter: conn %d begin\n", conn->c_connid, 0, 0 );
1396 Debug( LDAP_DEBUG_FILTER, "begin get_substring_filter\n", 0, 0, 0 );
1398 if ( ber_scanf( ber, "{m" /*}*/, &bv ) == LBER_ERROR ) {
1399 return SLAPD_DISCONNECT;
1402 vrf->vrf_sub = ch_calloc( 1, sizeof(SubstringsAssertion) );
1403 vrf->vrf_sub_desc = NULL;
1404 rc = slap_bv2ad( &bv, &vrf->vrf_sub_desc, text );
1406 if( rc != LDAP_SUCCESS ) {
1408 ch_free( vrf->vrf_sub );
1409 vrf->vrf_choice = SLAPD_FILTER_COMPUTED;
1410 vrf->vrf_result = SLAPD_COMPARE_UNDEFINED;
1411 return LDAP_SUCCESS;
1414 vrf->vrf_sub_initial.bv_val = NULL;
1415 vrf->vrf_sub_any = NULL;
1416 vrf->vrf_sub_final.bv_val = NULL;
1418 for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
1419 tag = ber_next_element( ber, &len, last ) )
1423 rc = ber_scanf( ber, "m", &value );
1424 if ( rc == LBER_ERROR ) {
1425 rc = SLAPD_DISCONNECT;
1429 if ( value.bv_val == NULL || value.bv_len == 0 ) {
1430 rc = LDAP_INVALID_SYNTAX;
1435 case LDAP_SUBSTRING_INITIAL:
1436 usage = SLAP_MR_SUBSTR_INITIAL;
1439 case LDAP_SUBSTRING_ANY:
1440 usage = SLAP_MR_SUBSTR_ANY;
1443 case LDAP_SUBSTRING_FINAL:
1444 usage = SLAP_MR_SUBSTR_FINAL;
1448 rc = LDAP_PROTOCOL_ERROR;
1451 LDAP_LOG( FILTER, ERR,
1452 "get_filter_substring: conn %d unknown substring choice=%ld\n",
1453 conn->c_connid, (long)tag, 0 );
1455 Debug( LDAP_DEBUG_FILTER,
1456 " unknown substring choice=%ld\n",
1463 /* validate/normalize using equality matching rule validator! */
1464 rc = asserted_value_validate_normalize(
1465 vrf->vrf_sub_desc, vrf->vrf_sub_desc->ad_type->sat_equality,
1466 usage, &value, &bv, text );
1467 if( rc != LDAP_SUCCESS ) {
1471 /* valiate using equality matching rule validator! */
1472 rc = value_validate( vrf->vrf_sub_desc->ad_type->sat_equality,
1474 if( rc != LDAP_SUCCESS ) {
1478 rc = value_normalize( vrf->vrf_sub_desc, usage,
1479 &value, &bv, text );
1480 if( rc != LDAP_SUCCESS ) {
1487 rc = LDAP_PROTOCOL_ERROR;
1490 case LDAP_SUBSTRING_INITIAL:
1492 LDAP_LOG( FILTER, DETAIL1,
1493 "get_substring_filter: conn %d INITIAL\n",
1494 conn->c_connid, 0, 0 );
1496 Debug( LDAP_DEBUG_FILTER, " INITIAL\n", 0, 0, 0 );
1499 if ( vrf->vrf_sub_initial.bv_val != NULL
1500 || vrf->vrf_sub_any != NULL
1501 || vrf->vrf_sub_final.bv_val != NULL )
1503 free( value.bv_val );
1507 vrf->vrf_sub_initial = value;
1510 case LDAP_SUBSTRING_ANY:
1512 LDAP_LOG( FILTER, DETAIL1,
1513 "get_substring_filter: conn %d ANY\n", conn->c_connid, 0, 0 );
1515 Debug( LDAP_DEBUG_FILTER, " ANY\n", 0, 0, 0 );
1518 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1519 free( value.bv_val );
1523 ber_bvarray_add( &vrf->vrf_sub_any, &value );
1526 case LDAP_SUBSTRING_FINAL:
1528 LDAP_LOG( FILTER, DETAIL1,
1529 "get_substring_filter: conn %d FINAL\n", conn->c_connid, 0, 0 );
1531 Debug( LDAP_DEBUG_FILTER, " FINAL\n", 0, 0, 0 );
1534 if ( vrf->vrf_sub_final.bv_val != NULL ) {
1535 free( value.bv_val );
1539 vrf->vrf_sub_final = value;
1544 LDAP_LOG( FILTER, INFO,
1545 "get_substring_filter: conn %d unknown substring type %ld\n",
1546 conn->c_connid, (long)tag, 0 );
1548 Debug( LDAP_DEBUG_FILTER,
1549 " unknown substring type=%ld\n",
1553 free( value.bv_val );
1557 LDAP_LOG( FILTER, INFO,
1558 "get_substring_filter: conn %d error %ld\n",
1559 conn->c_connid, (long)rc, 0 );
1561 Debug( LDAP_DEBUG_FILTER, " error=%ld\n",
1564 free( vrf->vrf_sub_initial.bv_val );
1565 ber_bvarray_free( vrf->vrf_sub_any );
1566 free( vrf->vrf_sub_final.bv_val );
1567 ch_free( vrf->vrf_sub );
1573 LDAP_LOG( FILTER, ENTRY,
1574 "get_substring_filter: conn %d exit\n", conn->c_connid, 0, 0 );
1576 Debug( LDAP_DEBUG_FILTER, "end get_substring_filter\n", 0, 0, 0 );
1578 return( LDAP_SUCCESS );