2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1999-2004 The OpenLDAP Foundation.
5 * Portions Copyright 1999 Dmitry Kovalev.
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>.
17 * This work was initially developed by Dmitry Kovalev for inclusion
18 * by OpenLDAP Software.
24 #include <sys/types.h>
25 #include "ac/string.h"
29 #include "proto-sql.h"
31 static int backsql_process_filter( backsql_srch_info *bsi, Filter *f );
32 static int backsql_process_filter_eq( backsql_srch_info *bsi,
33 backsql_at_map_rec *at,
34 int casefold, struct berval *filter_value );
35 static int backsql_process_filter_like( backsql_srch_info *bsi,
36 backsql_at_map_rec *at,
37 int casefold, struct berval *filter_value );
38 static int backsql_process_filter_attr( backsql_srch_info *bsi, Filter *f,
39 backsql_at_map_rec *at );
42 backsql_attrlist_add( backsql_srch_info *bsi, AttributeDescription *ad )
45 AttributeName *an = NULL;
47 if ( bsi->bsi_attrs == NULL ) {
52 * clear the list (retrieve all attrs)
55 ch_free( bsi->bsi_attrs );
56 bsi->bsi_attrs = NULL;
60 for ( ; !BER_BVISNULL( &bsi->bsi_attrs[ n_attrs ].an_name ); n_attrs++ ) {
61 an = &bsi->bsi_attrs[ n_attrs ];
63 Debug( LDAP_DEBUG_TRACE, "==>backsql_attrlist_add(): "
64 "attribute \"%s\" is in list\n",
65 an->an_name.bv_val, 0, 0 );
67 * We can live with strcmp because the attribute
68 * list has been normalized before calling be_search
70 if ( !BACKSQL_NCMP( &an->an_name, &ad->ad_cname ) ) {
75 Debug( LDAP_DEBUG_TRACE, "==>backsql_attrlist_add(): "
76 "adding \"%s\" to list\n", ad->ad_cname.bv_val, 0, 0 );
78 an = (AttributeName *)ch_realloc( bsi->bsi_attrs,
79 sizeof( AttributeName ) * ( n_attrs + 2 ) );
84 an[ n_attrs ].an_name = ad->ad_cname;
85 an[ n_attrs ].an_desc = ad;
86 BER_BVZERO( &an[ n_attrs + 1 ].an_name );
94 * Initializes the search structure.
96 * If get_base_id != 0, the field bsi_base_id is filled
97 * with the entryID of bsi_base_ndn; it must be freed
98 * by backsql_free_entryID() when no longer required.
100 * NOTE: base must be normalized
104 backsql_srch_info *bsi,
105 struct berval *nbase,
114 AttributeName *attrs,
118 int rc = LDAP_SUCCESS;
120 bsi->bsi_base_ndn = nbase;
121 BER_BVZERO( &bsi->bsi_base_id.eid_dn );
122 BER_BVZERO( &bsi->bsi_base_id.eid_ndn );
123 bsi->bsi_scope = scope;
124 bsi->bsi_slimit = slimit;
125 bsi->bsi_tlimit = tlimit;
126 bsi->bsi_filter = filter;
135 if ( attrs == NULL || an_find( attrs, &AllUser ) ) {
136 bsi->bsi_attrs = NULL;
141 bsi->bsi_attrs = (AttributeName *)ch_calloc( 1,
142 sizeof( AttributeName ) );
143 BER_BVZERO( &bsi->bsi_attrs[ 0 ].an_name );
145 for ( p = attrs; !BER_BVISNULL( &p->an_name ); p++ ) {
147 * ignore "1.1"; handle "+"
149 if ( BACKSQL_NCMP( &p->an_name, &AllOper ) == 0 ) {
150 bsi->bsi_flags |= BSQL_SF_ALL_OPER;
153 } else if ( BACKSQL_NCMP( &p->an_name, &NoAttrs ) == 0 ) {
156 } else if ( p->an_desc == slap_schema.si_ad_objectClass ) {
160 backsql_attrlist_add( bsi, p->an_desc );
164 /* add objectClass if not present,
165 * because it is required to understand
166 * if an entry is a referral, an alias
168 backsql_attrlist_add( bsi, slap_schema.si_ad_objectClass );
172 bsi->bsi_abandon = 0;
173 bsi->bsi_id_list = NULL;
174 bsi->bsi_id_listtail = &bsi->bsi_id_list;
175 bsi->bsi_n_candidates = 0;
176 bsi->bsi_stoptime = stoptime;
177 BER_BVZERO( &bsi->bsi_sel.bb_val );
178 bsi->bsi_sel.bb_len = 0;
179 BER_BVZERO( &bsi->bsi_from.bb_val );
180 bsi->bsi_from.bb_len = 0;
181 BER_BVZERO( &bsi->bsi_join_where.bb_val );
182 bsi->bsi_join_where.bb_len = 0;
183 BER_BVZERO( &bsi->bsi_flt_where.bb_val );
184 bsi->bsi_flt_where.bb_len = 0;
185 bsi->bsi_filter_oc = NULL;
188 assert( op->o_bd->be_private );
190 rc = backsql_dn2id( (backsql_info *)op->o_bd->be_private,
191 &bsi->bsi_base_id, dbh, nbase );
194 return ( bsi->bsi_status = rc );
198 backsql_process_filter_list( backsql_srch_info *bsi, Filter *f, int op )
206 backsql_strfcat( &bsi->bsi_flt_where, "c", '(' /* ) */ );
209 res = backsql_process_filter( bsi, f );
212 * TimesTen : If the query has no answers,
213 * don't bother to run the query.
224 case LDAP_FILTER_AND:
225 backsql_strfcat( &bsi->bsi_flt_where, "l",
226 (ber_len_t)STRLENOF( " AND " ),
231 backsql_strfcat( &bsi->bsi_flt_where, "l",
232 (ber_len_t)STRLENOF( " OR " ),
238 backsql_strfcat( &bsi->bsi_flt_where, "c", /* ( */ ')' );
244 backsql_process_sub_filter( backsql_srch_info *bsi, Filter *f,
245 backsql_at_map_rec *at )
247 backsql_info *bi = (backsql_info *)bsi->bsi_op->o_bd->be_private;
255 /* always uppercase strings by now */
256 #ifdef BACKSQL_UPPERCASE_FILTER
257 if ( SLAP_MR_ASSOCIATED( f->f_sub_desc->ad_type->sat_substr,
258 bi->sql_caseIgnoreMatch ) )
259 #endif /* BACKSQL_UPPERCASE_FILTER */
264 if ( SLAP_MR_ASSOCIATED( f->f_sub_desc->ad_type->sat_substr,
265 bi->sql_telephoneNumberMatch ) )
272 * to check for matching telephone numbers
273 * with intermixed chars, e.g. val='1234'
276 * val LIKE '%1%2%3%4%'
280 if ( f->f_sub_initial.bv_val ) {
281 bv.bv_len += f->f_sub_initial.bv_len;
283 if ( f->f_sub_any != NULL ) {
284 for ( a = 0; f->f_sub_any[ a ].bv_val != NULL; a++ ) {
285 bv.bv_len += f->f_sub_any[ a ].bv_len;
288 if ( f->f_sub_final.bv_val ) {
289 bv.bv_len += f->f_sub_final.bv_len;
291 bv.bv_len = 2 * bv.bv_len - 1;
292 bv.bv_val = ch_malloc( bv.bv_len + 1 );
295 if ( !BER_BVISNULL( &f->f_sub_initial ) ) {
296 bv.bv_val[ s ] = f->f_sub_initial.bv_val[ 0 ];
297 for ( i = 1; i < f->f_sub_initial.bv_len; i++ ) {
298 bv.bv_val[ s + 2 * i - 1 ] = '%';
299 bv.bv_val[ s + 2 * i ] = f->f_sub_initial.bv_val[ i ];
301 bv.bv_val[ s + 2 * i - 1 ] = '%';
305 if ( f->f_sub_any != NULL ) {
306 for ( a = 0; !BER_BVISNULL( &f->f_sub_any[ a ] ); a++ ) {
307 bv.bv_val[ s ] = f->f_sub_any[ a ].bv_val[ 0 ];
308 for ( i = 1; i < f->f_sub_any[ a ].bv_len; i++ ) {
309 bv.bv_val[ s + 2 * i - 1 ] = '%';
310 bv.bv_val[ s + 2 * i ] = f->f_sub_any[ a ].bv_val[ i ];
312 bv.bv_val[ s + 2 * i - 1 ] = '%';
317 if ( !BER_BVISNULL( &f->f_sub_final ) ) {
318 bv.bv_val[ s ] = f->f_sub_final.bv_val[ 0 ];
319 for ( i = 1; i < f->f_sub_final.bv_len; i++ ) {
320 bv.bv_val[ s + 2 * i - 1 ] = '%';
321 bv.bv_val[ s + 2 * i ] = f->f_sub_final.bv_val[ i ];
323 bv.bv_val[ s + 2 * i - 1 ] = '%';
327 bv.bv_val[ s - 1 ] = '\0';
329 (void)backsql_process_filter_like( bsi, at, casefold, &bv );
330 ch_free( bv.bv_val );
336 * When dealing with case-sensitive strings
337 * we may omit normalization; however, normalized
338 * SQL filters are more liberal.
341 backsql_strfcat( &bsi->bsi_flt_where, "c", '(' /* ) */ );
344 Debug( LDAP_DEBUG_TRACE, "backsql_process_sub_filter(%s):\n",
345 at->bam_ad->ad_cname.bv_val, 0, 0 );
346 Debug(LDAP_DEBUG_TRACE, " expr: '%s%s%s'\n", at->bam_sel_expr.bv_val,
347 at->bam_sel_expr_u.bv_val ? "' '" : "",
348 at->bam_sel_expr_u.bv_val ? at->bam_sel_expr_u.bv_val : "" );
349 if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) {
351 * If a pre-upper-cased version of the column
352 * or a precompiled upper function exists, use it
354 backsql_strfcat( &bsi->bsi_flt_where,
357 (ber_len_t)STRLENOF( " LIKE '" ),
361 backsql_strfcat( &bsi->bsi_flt_where, "bl",
363 (ber_len_t)STRLENOF( " LIKE '" ), " LIKE '" );
366 if ( !BER_BVISNULL( &f->f_sub_initial ) ) {
370 Debug( LDAP_DEBUG_TRACE,
371 "==>backsql_process_sub_filter(%s): "
372 "sub_initial=\"%s\"\n", at->bam_ad->ad_cname.bv_val,
373 f->f_sub_initial.bv_val, 0 );
374 #endif /* BACKSQL_TRACE */
376 start = bsi->bsi_flt_where.bb_val.bv_len;
377 backsql_strfcat( &bsi->bsi_flt_where, "b",
379 if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) {
380 ldap_pvt_str2upper( &bsi->bsi_flt_where.bb_val.bv_val[ start ] );
384 backsql_strfcat( &bsi->bsi_flt_where, "c", '%' );
386 if ( f->f_sub_any != NULL ) {
387 for ( i = 0; !BER_BVISNULL( &f->f_sub_any[ i ] ); i++ ) {
391 Debug( LDAP_DEBUG_TRACE,
392 "==>backsql_process_sub_filter(%s): "
393 "sub_any[%d]=\"%s\"\n", at->bam_ad->ad_cname.bv_val,
394 i, f->f_sub_any[ i ].bv_val );
395 #endif /* BACKSQL_TRACE */
397 start = bsi->bsi_flt_where.bb_val.bv_len;
398 backsql_strfcat( &bsi->bsi_flt_where,
402 if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) {
404 * Note: toupper('%') = '%'
406 ldap_pvt_str2upper( &bsi->bsi_flt_where.bb_val.bv_val[ start ] );
411 if ( !BER_BVISNULL( &f->f_sub_final ) ) {
415 Debug( LDAP_DEBUG_TRACE,
416 "==>backsql_process_sub_filter(%s): "
417 "sub_final=\"%s\"\n", at->bam_ad->ad_cname.bv_val,
418 f->f_sub_final.bv_val, 0 );
419 #endif /* BACKSQL_TRACE */
421 start = bsi->bsi_flt_where.bb_val.bv_len;
422 backsql_strfcat( &bsi->bsi_flt_where, "b",
424 if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) {
425 ldap_pvt_str2upper( &bsi->bsi_flt_where.bb_val.bv_val[ start ] );
429 backsql_strfcat( &bsi->bsi_flt_where, "l",
430 (ber_len_t)STRLENOF( /* (' */ "')" ), /* (' */ "')" );
436 backsql_merge_from_tbls( backsql_srch_info *bsi, struct berval *from_tbls )
438 if ( BER_BVISNULL( from_tbls ) ) {
442 if ( !BER_BVISNULL( &bsi->bsi_from.bb_val ) ) {
443 char *start, *end, *tmp;
445 tmp = ch_strdup( from_tbls->bv_val );
447 for ( start = tmp, end = strchr( start, ',' ); start; ) {
452 if ( strstr( bsi->bsi_from.bb_val.bv_val, start) == NULL )
454 backsql_strfcat( &bsi->bsi_from, "cs", ',', start );
458 /* in case there are spaces after the comma... */
459 for ( start = &end[1]; isspace( start[0] ); start++ );
461 end = strchr( start, ',' );
473 backsql_strfcat( &bsi->bsi_from, "b", from_tbls );
480 backsql_process_filter( backsql_srch_info *bsi, Filter *f )
482 backsql_at_map_rec **vat = NULL;
483 AttributeDescription *ad = NULL;
488 Debug( LDAP_DEBUG_TRACE, "==>backsql_process_filter()\n", 0, 0, 0 );
489 if ( f->f_choice == SLAPD_FILTER_COMPUTED ) {
490 Debug( LDAP_DEBUG_TRACE, "backsql_process_filter(): "
491 "invalid filter\n", 0, 0, 0 );
496 switch( f->f_choice ) {
498 rc = backsql_process_filter_list( bsi, f->f_or,
503 case LDAP_FILTER_AND:
504 rc = backsql_process_filter_list( bsi, f->f_and,
509 case LDAP_FILTER_NOT:
510 backsql_strfcat( &bsi->bsi_flt_where, "l",
511 (ber_len_t)STRLENOF( "NOT (" /* ) */ ),
513 rc = backsql_process_filter( bsi, f->f_not );
514 backsql_strfcat( &bsi->bsi_flt_where, "c", /* ( */ ')' );
518 case LDAP_FILTER_PRESENT:
522 case LDAP_FILTER_EXT:
523 ad = f->f_mra->ma_desc;
524 if ( f->f_mr_dnattrs ) {
526 * if dn attrs filtering is requested, better return
527 * success and let test_filter() deal with candidate
528 * selection; otherwise we'd need to set conditions
529 * on the contents of the DN, e.g. "SELECT ... FROM
530 * ldap_entries AS attributeName WHERE attributeName.dn
531 * like '%attributeName=value%'"
533 backsql_strfcat( &bsi->bsi_flt_where, "l",
534 (ber_len_t)STRLENOF( "1=1" ), "1=1" );
535 bsi->bsi_status = LDAP_SUCCESS;
556 * Turn structuralObjectClass into objectClass
558 if ( ad == slap_schema.si_ad_objectClass
559 || ad == slap_schema.si_ad_structuralObjectClass )
562 * If the filter is LDAP_FILTER_PRESENT, then it's done;
563 * otherwise, let's see if we are lucky: filtering
564 * for "structural" objectclass or ancestor...
566 switch ( f->f_choice ) {
567 case LDAP_FILTER_EQUALITY:
569 ObjectClass *oc = oc_bvfind( &f->f_av_value );
572 Debug( LDAP_DEBUG_TRACE,
573 "backsql_process_filter(): "
574 "unknown objectClass \"%s\" "
576 f->f_av_value.bv_val, 0, 0 );
577 bsi->bsi_status = LDAP_OTHER;
583 * "structural" objectClass inheritance:
584 * - a search for "person" will also return
586 * - a search for "top" will return everything
588 if ( is_object_subclass( oc, bsi->bsi_oc->bom_oc ) ) {
589 static struct berval ldap_entry_objclasses = BER_BVC( "ldap_entry_objclasses" );
591 backsql_merge_from_tbls( bsi, &ldap_entry_objclasses );
593 backsql_strfcat( &bsi->bsi_flt_where, "lbl",
594 (ber_len_t)STRLENOF( "1=1 OR (ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entry_objclasses.oc_name='" /* ') */ ),
595 "1=1 OR (ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entry_objclasses.oc_name='" /* ') */,
596 &bsi->bsi_oc->bom_oc->soc_cname,
597 (ber_len_t)STRLENOF( /* (' */ "')" ),
599 bsi->bsi_status = LDAP_SUCCESS;
607 case LDAP_FILTER_PRESENT:
608 backsql_strfcat( &bsi->bsi_flt_where, "l",
609 (ber_len_t)STRLENOF( "1=1" ), "1=1" );
610 bsi->bsi_status = LDAP_SUCCESS;
614 /* FIXME: LDAP_FILTER_EXT? */
617 Debug( LDAP_DEBUG_TRACE,
618 "backsql_process_filter(): "
619 "illegal/unhandled filter "
620 "on objectClass attribute",
622 bsi->bsi_status = LDAP_OTHER;
627 } else if ( ad == slap_schema.si_ad_entryUUID ) {
629 #ifdef BACKSQL_ARBITRARY_KEY
630 struct berval keyval;
631 #else /* ! BACKSQL_ARBITRARY_KEY */
632 unsigned long keyval;
633 char keyvalbuf[] = "18446744073709551615";
634 #endif /* ! BACKSQL_ARBITRARY_KEY */
636 switch ( f->f_choice ) {
637 case LDAP_FILTER_EQUALITY:
638 backsql_entryUUID_decode( &f->f_av_value, &oc_id, &keyval );
640 if ( oc_id != bsi->bsi_oc->bom_id ) {
641 bsi->bsi_status = LDAP_SUCCESS;
646 #ifdef BACKSQL_ARBITRARY_KEY
647 backsql_strfcat( &bsi->bsi_flt_where, "bcblbc",
648 &bsi->bsi_oc->bom_keytbl, '.',
649 &bsi->bsi_oc->bom_keycol,
650 STRLENOF( " LIKE '" ), " LIKE '",
652 #else /* ! BACKSQL_ARBITRARY_KEY */
653 snprintf( keyvalbuf, sizeof( keyvalbuf ), "%lu", keyval );
654 backsql_strfcat( &bsi->bsi_flt_where, "bcbcs",
655 &bsi->bsi_oc->bom_keytbl, '.',
656 &bsi->bsi_oc->bom_keycol, '=', keyvalbuf );
657 #endif /* ! BACKSQL_ARBITRARY_KEY */
660 case LDAP_FILTER_PRESENT:
661 backsql_strfcat( &bsi->bsi_flt_where, "l",
662 (ber_len_t)STRLENOF( "1=1" ), "1=1" );
670 bsi->bsi_flags |= BSQL_SF_FILTER_ENTRYUUID;
674 } else if ( ad == slap_schema.si_ad_entryCSN ) {
676 * TODO: introduce appropriate entryCSN filtering
677 * to support syncrepl as producer...
679 if ( bsi->bsi_op->o_sync ) {
680 /* unsupported at present... */
681 bsi->bsi_status = LDAP_OTHER;
687 } else if ( ad == slap_schema.si_ad_hasSubordinates || ad == NULL ) {
689 * FIXME: this is not robust; e.g. a filter
690 * '(!(hasSubordinates=TRUE))' fails because
691 * in SQL it would read 'NOT (1=1)' instead
693 * Note however that hasSubordinates is boolean,
694 * so a more appropriate filter would be
695 * '(hasSubordinates=FALSE)'
697 * A more robust search for hasSubordinates
698 * would * require joining the ldap_entries table
699 * selecting if there are descendants of the
702 backsql_strfcat( &bsi->bsi_flt_where, "l",
703 (ber_len_t)STRLENOF( "1=1" ), "1=1" );
704 if ( ad == slap_schema.si_ad_hasSubordinates ) {
706 * instruct candidate selection algorithm
707 * and attribute list to try to detect
708 * if an entry has subordinates
710 bsi->bsi_flags |= BSQL_SF_FILTER_HASSUBORDINATE;
714 * clear attributes to fetch, to require ALL
715 * and try extended match on all attributes
717 backsql_attrlist_add( bsi, NULL );
724 * attribute inheritance:
726 if ( backsql_supad2at( bsi->bsi_oc, ad, &vat ) ) {
727 bsi->bsi_status = LDAP_OTHER;
733 /* search anyway; other parts of the filter
735 backsql_strfcat( &bsi->bsi_flt_where, "l",
736 (ber_len_t)STRLENOF( "1=1" ), "1=1" );
737 bsi->bsi_status = LDAP_SUCCESS;
742 /* if required, open extra level of parens */
744 if ( vat[0]->bam_next || vat[1] ) {
745 backsql_strfcat( &bsi->bsi_flt_where, "c", '(' );
752 if ( backsql_process_filter_attr( bsi, f, vat[i] ) == -1 ) {
756 /* if more definitions of the same attr, apply */
757 if ( vat[i]->bam_next ) {
758 backsql_strfcat( &bsi->bsi_flt_where, "l",
759 STRLENOF( " OR " ), " OR " );
760 vat[i] = vat[i]->bam_next;
764 /* if more descendants of the same attr, apply */
767 backsql_strfcat( &bsi->bsi_flt_where, "l",
768 STRLENOF( " OR " ), " OR " );
772 /* if needed, close extra level of parens */
774 backsql_strfcat( &bsi->bsi_flt_where, "c", ')' );
784 Debug( LDAP_DEBUG_TRACE,
785 "<==backsql_process_filter() %s\n",
786 rc == 1 ? "succeeded" : "failed", 0, 0);
792 backsql_process_filter_eq( backsql_srch_info *bsi, backsql_at_map_rec *at,
793 int casefold, struct berval *filter_value )
796 * maybe we should check type of at->sel_expr here somehow,
797 * to know whether upper_func is applicable, but for now
798 * upper_func stuff is made for Oracle, where UPPER is
799 * safely applicable to NUMBER etc.
801 if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) {
804 backsql_strfcat( &bsi->bsi_flt_where, "cbl",
807 (ber_len_t)STRLENOF( "='" ),
810 start = bsi->bsi_flt_where.bb_val.bv_len;
812 backsql_strfcat( &bsi->bsi_flt_where, "bl",
814 (ber_len_t)STRLENOF( /* (' */ "')" ),
817 ldap_pvt_str2upper( &bsi->bsi_flt_where.bb_val.bv_val[ start ] );
820 backsql_strfcat( &bsi->bsi_flt_where, "cblbl",
823 (ber_len_t)STRLENOF( "='" ), "='",
825 (ber_len_t)STRLENOF( /* (' */ "')" ),
833 backsql_process_filter_like( backsql_srch_info *bsi, backsql_at_map_rec *at,
834 int casefold, struct berval *filter_value )
837 * maybe we should check type of at->sel_expr here somehow,
838 * to know whether upper_func is applicable, but for now
839 * upper_func stuff is made for Oracle, where UPPER is
840 * safely applicable to NUMBER etc.
842 if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) {
845 backsql_strfcat( &bsi->bsi_flt_where, "cbl",
848 (ber_len_t)STRLENOF( " LIKE '%" ),
851 start = bsi->bsi_flt_where.bb_val.bv_len;
853 backsql_strfcat( &bsi->bsi_flt_where, "bl",
855 (ber_len_t)STRLENOF( /* (' */ "%')" ),
858 ldap_pvt_str2upper( &bsi->bsi_flt_where.bb_val.bv_val[ start ] );
861 backsql_strfcat( &bsi->bsi_flt_where, "cblbl",
864 (ber_len_t)STRLENOF( " LIKE '%" ),
867 (ber_len_t)STRLENOF( /* (' */ "%')" ),
875 backsql_process_filter_attr( backsql_srch_info *bsi, Filter *f, backsql_at_map_rec *at )
877 backsql_info *bi = (backsql_info *)bsi->bsi_op->o_bd->be_private;
879 struct berval *filter_value = NULL;
880 MatchingRule *matching_rule = NULL;
881 struct berval ordering = BER_BVC("<=");
883 Debug( LDAP_DEBUG_TRACE, "==>backsql_process_filter_attr(%s)\n",
884 at->bam_ad->ad_cname.bv_val, 0, 0 );
887 * need to add this attribute to list of attrs to load,
888 * so that we can do test_filter() later
890 backsql_attrlist_add( bsi, at->bam_ad );
892 backsql_merge_from_tbls( bsi, &at->bam_from_tbls );
894 if ( !BER_BVISNULL( &at->bam_join_where )
895 && strstr( bsi->bsi_join_where.bb_val.bv_val,
896 at->bam_join_where.bv_val ) == NULL )
898 backsql_strfcat( &bsi->bsi_join_where, "lb",
899 (ber_len_t)STRLENOF( " AND " ), " AND ",
900 &at->bam_join_where );
903 switch ( f->f_choice ) {
904 case LDAP_FILTER_EQUALITY:
905 filter_value = &f->f_av_value;
906 matching_rule = at->bam_ad->ad_type->sat_equality;
910 /* fail over into next case */
912 case LDAP_FILTER_EXT:
913 filter_value = &f->f_mra->ma_value;
914 matching_rule = f->f_mr_rule;
917 /* always uppercase strings by now */
918 #ifdef BACKSQL_UPPERCASE_FILTER
919 if ( SLAP_MR_ASSOCIATED( matching_rule,
920 bi->sql_caseIgnoreMatch ) )
921 #endif /* BACKSQL_UPPERCASE_FILTER */
926 if ( SLAP_MR_ASSOCIATED( matching_rule,
927 bi->sql_telephoneNumberMatch ) )
933 * to check for matching telephone numbers
934 * with intermized chars, e.g. val='1234'
937 * val LIKE '%1%2%3%4%'
940 bv.bv_len = 2 * filter_value->bv_len - 1;
941 bv.bv_val = ch_malloc( bv.bv_len + 1 );
943 bv.bv_val[ 0 ] = filter_value->bv_val[ 0 ];
944 for ( i = 1; i < filter_value->bv_len; i++ ) {
945 bv.bv_val[ 2 * i - 1 ] = '%';
946 bv.bv_val[ 2 * i ] = filter_value->bv_val[ i ];
948 bv.bv_val[ 2 * i - 1 ] = '\0';
950 (void)backsql_process_filter_like( bsi, at, casefold, &bv );
951 ch_free( bv.bv_val );
956 /* NOTE: this is required by objectClass inheritance
957 * and auxiliary objectClass use in filters for slightly
958 * more efficient candidate selection. */
959 /* FIXME: a bit too many specializations to deal with
960 * very specific cases... */
961 if ( at->bam_ad == slap_schema.si_ad_objectClass
962 || at->bam_ad == slap_schema.si_ad_structuralObjectClass )
964 backsql_strfcat( &bsi->bsi_flt_where, "lbl",
965 (ber_len_t)STRLENOF( "(ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entry_objclasses.oc_name='" /* ') */ ),
966 "(ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entry_objclasses.oc_name='" /* ') */,
968 (ber_len_t)STRLENOF( /* (' */ "')" ),
974 * maybe we should check type of at->sel_expr here somehow,
975 * to know whether upper_func is applicable, but for now
976 * upper_func stuff is made for Oracle, where UPPER is
977 * safely applicable to NUMBER etc.
979 (void)backsql_process_filter_eq( bsi, at, casefold, filter_value );
983 ordering.bv_val = ">=";
985 /* fall thru to next case */
988 /* always uppercase strings by now */
989 #ifdef BACKSQL_UPPERCASE_FILTER
990 if ( SLAP_MR_ASSOCIATED( at->bam_ad->ad_type->sat_ordering,
991 bi->sql_caseIgnoreMatch ) )
992 #endif /* BACKSQL_UPPERCASE_FILTER */
998 * FIXME: should we uppercase the operands?
1000 if ( casefold && BACKSQL_AT_CANUPPERCASE( at ) ) {
1003 backsql_strfcat( &bsi->bsi_flt_where, "cbbc",
1005 &at->bam_sel_expr_u,
1009 start = bsi->bsi_flt_where.bb_val.bv_len;
1011 backsql_strfcat( &bsi->bsi_flt_where, "bl",
1013 (ber_len_t)STRLENOF( /* (' */ "')" ),
1016 ldap_pvt_str2upper( &bsi->bsi_flt_where.bb_val.bv_val[ start ] );
1019 backsql_strfcat( &bsi->bsi_flt_where, "cbbcbl",
1025 (ber_len_t)STRLENOF( /* (' */ "')" ),
1030 case LDAP_FILTER_PRESENT:
1031 backsql_strfcat( &bsi->bsi_flt_where, "lbl",
1032 (ber_len_t)STRLENOF( "NOT (" /* ) */),
1035 (ber_len_t)STRLENOF( /* ( */ " IS NULL)" ),
1036 /* ( */ " IS NULL)" );
1039 case LDAP_FILTER_SUBSTRINGS:
1040 backsql_process_sub_filter( bsi, f, at );
1043 case LDAP_FILTER_APPROX:
1044 /* we do our best */
1047 * maybe we should check type of at->sel_expr here somehow,
1048 * to know whether upper_func is applicable, but for now
1049 * upper_func stuff is made for Oracle, where UPPER is
1050 * safely applicable to NUMBER etc.
1052 (void)backsql_process_filter_like( bsi, at, 1, &f->f_av_value );
1056 /* unhandled filter type; should not happen */
1058 backsql_strfcat( &bsi->bsi_flt_where, "l",
1059 (ber_len_t)STRLENOF( "1=1" ), "1=1" );
1064 Debug( LDAP_DEBUG_TRACE, "<==backsql_process_filter_attr(%s)\n",
1065 at->bam_ad->ad_cname.bv_val, 0, 0 );
1071 backsql_srch_query( backsql_srch_info *bsi, struct berval *query )
1073 backsql_info *bi = (backsql_info *)bsi->bsi_op->o_bd->be_private;
1077 BER_BVZERO( query );
1079 Debug( LDAP_DEBUG_TRACE, "==>backsql_srch_query()\n", 0, 0, 0 );
1080 BER_BVZERO( &bsi->bsi_sel.bb_val );
1081 BER_BVZERO( &bsi->bsi_sel.bb_val );
1082 bsi->bsi_sel.bb_len = 0;
1083 BER_BVZERO( &bsi->bsi_from.bb_val );
1084 bsi->bsi_from.bb_len = 0;
1085 BER_BVZERO( &bsi->bsi_join_where.bb_val );
1086 bsi->bsi_join_where.bb_len = 0;
1087 BER_BVZERO( &bsi->bsi_flt_where.bb_val );
1088 bsi->bsi_flt_where.bb_len = 0;
1090 backsql_strfcat( &bsi->bsi_sel, "lbcbc",
1091 (ber_len_t)STRLENOF( "SELECT DISTINCT ldap_entries.id," ),
1092 "SELECT DISTINCT ldap_entries.id,",
1093 &bsi->bsi_oc->bom_keytbl,
1095 &bsi->bsi_oc->bom_keycol,
1098 if ( !BER_BVISNULL( &bi->sql_strcast_func ) ) {
1099 backsql_strfcat( &bsi->bsi_sel, "blbl",
1100 &bi->sql_strcast_func,
1101 (ber_len_t)STRLENOF( "('" /* ') */ ),
1103 &bsi->bsi_oc->bom_oc->soc_cname,
1104 (ber_len_t)STRLENOF( /* (' */ "')" ),
1107 backsql_strfcat( &bsi->bsi_sel, "cbc",
1109 &bsi->bsi_oc->bom_oc->soc_cname,
1112 #ifdef BACKSQL_ALIASING_QUOTE
1113 backsql_strfcat( &bsi->bsi_sel, "lclcl",
1114 (ber_len_t)STRLENOF( " " BACKSQL_ALIASING ),
1115 " " BACKSQL_ALIASING,
1116 BACKSQL_ALIASING_QUOTE,
1117 (ber_len_t)STRLENOF( "objectClass" ),
1119 BACKSQL_ALIASING_QUOTE,
1120 (ber_len_t)STRLENOF( ",ldap_entries.dn " BACKSQL_ALIASING "dn" ),
1121 ",ldap_entries.dn " BACKSQL_ALIASING "dn" );
1122 #else /* ! BACKSQL_ALIASING_QUOTE */
1123 backsql_strfcat( &bsi->bsi_sel, "l",
1124 (ber_len_t)STRLENOF( " " BACKSQL_ALIASING "objectClass,ldap_entries.dn " BACKSQL_ALIASING "dn" ),
1125 " " BACKSQL_ALIASING "objectClass,ldap_entries.dn " BACKSQL_ALIASING "dn" );
1126 #endif /* ! BACKSQL_ALIASING_QUOTE */
1128 backsql_strfcat( &bsi->bsi_from, "lb",
1129 (ber_len_t)STRLENOF( " FROM ldap_entries," ),
1130 " FROM ldap_entries,",
1131 &bsi->bsi_oc->bom_keytbl );
1133 backsql_strfcat( &bsi->bsi_join_where, "lbcbl",
1134 (ber_len_t)STRLENOF( " WHERE " ), " WHERE ",
1135 &bsi->bsi_oc->bom_keytbl,
1137 &bsi->bsi_oc->bom_keycol,
1138 (ber_len_t)STRLENOF( "=ldap_entries.keyval AND ldap_entries.oc_map_id=? AND " ),
1139 "=ldap_entries.keyval AND ldap_entries.oc_map_id=? AND " );
1141 switch ( bsi->bsi_scope ) {
1142 case LDAP_SCOPE_BASE:
1143 if ( BACKSQL_CANUPPERCASE( bi ) ) {
1144 backsql_strfcat( &bsi->bsi_join_where, "bl",
1145 &bi->sql_upper_func,
1146 (ber_len_t)STRLENOF( "(ldap_entries.dn)=?" ),
1147 "(ldap_entries.dn)=?" );
1149 backsql_strfcat( &bsi->bsi_join_where, "l",
1150 (ber_len_t)STRLENOF( "ldap_entries.dn=?" ),
1151 "ldap_entries.dn=?" );
1155 case BACKSQL_SCOPE_BASE_LIKE:
1156 if ( BACKSQL_CANUPPERCASE( bi ) ) {
1157 backsql_strfcat( &bsi->bsi_join_where, "bl",
1158 &bi->sql_upper_func,
1159 (ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE ?" ),
1160 "(ldap_entries.dn) LIKE ?" );
1162 backsql_strfcat( &bsi->bsi_join_where, "l",
1163 (ber_len_t)STRLENOF( "ldap_entries.dn LIKE ?" ),
1164 "ldap_entries.dn LIKE ?" );
1168 case LDAP_SCOPE_ONELEVEL:
1169 backsql_strfcat( &bsi->bsi_join_where, "l",
1170 (ber_len_t)STRLENOF( "ldap_entries.parent=?" ),
1171 "ldap_entries.parent=?" );
1174 #ifdef LDAP_SCOPE_SUBORDINATE
1175 case LDAP_SCOPE_SUBORDINATE:
1176 #endif /* LDAP_SCOPE_SUBORDINATE */
1177 case LDAP_SCOPE_SUBTREE:
1178 if ( BACKSQL_CANUPPERCASE( bi ) ) {
1179 backsql_strfcat( &bsi->bsi_join_where, "bl",
1180 &bi->sql_upper_func,
1181 (ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE ?" ),
1182 "(ldap_entries.dn) LIKE ?" );
1184 backsql_strfcat( &bsi->bsi_join_where, "l",
1185 (ber_len_t)STRLENOF( "ldap_entries.dn LIKE ?" ),
1186 "ldap_entries.dn LIKE ?" );
1195 rc = backsql_process_filter( bsi, bsi->bsi_filter );
1197 struct berbuf bb = BB_NULL;
1199 backsql_strfcat( &bb, "bbblb",
1200 &bsi->bsi_sel.bb_val,
1201 &bsi->bsi_from.bb_val,
1202 &bsi->bsi_join_where.bb_val,
1203 (ber_len_t)STRLENOF( " AND " ), " AND ",
1204 &bsi->bsi_flt_where.bb_val );
1208 } else if ( rc < 0 ) {
1210 * Indicates that there's no possible way the filter matches
1211 * anything. No need to issue the query
1213 free( query->bv_val );
1214 BER_BVZERO( query );
1217 free( bsi->bsi_sel.bb_val.bv_val );
1218 BER_BVZERO( &bsi->bsi_sel.bb_val );
1219 bsi->bsi_sel.bb_len = 0;
1220 free( bsi->bsi_from.bb_val.bv_val );
1221 BER_BVZERO( &bsi->bsi_from.bb_val );
1222 bsi->bsi_from.bb_len = 0;
1223 free( bsi->bsi_join_where.bb_val.bv_val );
1224 BER_BVZERO( &bsi->bsi_join_where.bb_val );
1225 bsi->bsi_join_where.bb_len = 0;
1226 free( bsi->bsi_flt_where.bb_val.bv_val );
1227 BER_BVZERO( &bsi->bsi_flt_where.bb_val );
1228 bsi->bsi_flt_where.bb_len = 0;
1230 Debug( LDAP_DEBUG_TRACE, "<==backsql_srch_query() returns %s\n",
1231 query->bv_val ? query->bv_val : "NULL", 0, 0 );
1233 return ( rc <= 0 ? 1 : 0 );
1237 backsql_oc_get_candidates( void *v_oc, void *v_bsi )
1239 backsql_oc_map_rec *oc = v_oc;
1240 backsql_srch_info *bsi = v_bsi;
1241 backsql_info *bi = (backsql_info *)bsi->bsi_op->o_bd->be_private;
1242 struct berval query;
1246 BACKSQL_ROW_NTS row;
1249 int n_candidates = bsi->bsi_n_candidates;
1252 * + 1 because we need room for '%';
1253 * + 1 because we need room for ',' for LDAP_SCOPE_SUBORDINATE;
1254 * this makes a subtree
1255 * search for a DN BACKSQL_MAX_DN_LEN long legal
1256 * if it returns that DN only
1258 char tmp_base_ndn[ BACKSQL_MAX_DN_LEN + 1 + 1 ];
1260 bsi->bsi_status = LDAP_SUCCESS;
1262 Debug( LDAP_DEBUG_TRACE, "==>backsql_oc_get_candidates(): oc=\"%s\"\n",
1263 BACKSQL_OC_NAME( oc ), 0, 0 );
1265 if ( bsi->bsi_n_candidates == -1 ) {
1266 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1267 "unchecked limit has been overcome\n", 0, 0, 0 );
1268 /* should never get here */
1270 bsi->bsi_status = LDAP_ADMINLIMIT_EXCEEDED;
1271 return BACKSQL_AVL_STOP;
1275 res = backsql_srch_query( bsi, &query );
1277 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1278 "error while constructing query for objectclass \"%s\"\n",
1279 oc->bom_oc->soc_cname.bv_val, 0, 0 );
1281 * FIXME: need to separate errors from legally
1282 * impossible filters
1284 switch ( bsi->bsi_status ) {
1286 case LDAP_UNDEFINED_TYPE:
1287 case LDAP_NO_SUCH_OBJECT:
1288 /* we are conservative... */
1290 bsi->bsi_status = LDAP_SUCCESS;
1292 return BACKSQL_AVL_CONTINUE;
1294 case LDAP_ADMINLIMIT_EXCEEDED:
1296 /* don't try any more */
1297 return BACKSQL_AVL_STOP;
1301 if ( BER_BVISNULL( &query ) ) {
1302 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1303 "could not construct query for objectclass \"%s\"\n",
1304 oc->bom_oc->soc_cname.bv_val, 0, 0 );
1305 bsi->bsi_status = LDAP_SUCCESS;
1306 return BACKSQL_AVL_CONTINUE;
1309 Debug( LDAP_DEBUG_TRACE, "Constructed query: %s\n",
1310 query.bv_val, 0, 0 );
1312 rc = backsql_Prepare( bsi->bsi_dbh, &sth, query.bv_val, 0 );
1313 free( query.bv_val );
1314 BER_BVZERO( &query );
1315 if ( rc != SQL_SUCCESS ) {
1316 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1317 "error preparing query\n", 0, 0, 0 );
1318 backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
1319 bsi->bsi_status = LDAP_OTHER;
1320 return BACKSQL_AVL_CONTINUE;
1323 Debug( LDAP_DEBUG_TRACE, "id: '%ld'\n", bsi->bsi_oc->bom_id, 0, 0 );
1325 rc = backsql_BindParamInt( sth, 1, SQL_PARAM_INPUT,
1326 &bsi->bsi_oc->bom_id );
1327 if ( rc != SQL_SUCCESS ) {
1328 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1329 "error binding objectclass id parameter\n", 0, 0, 0 );
1330 bsi->bsi_status = LDAP_OTHER;
1331 return BACKSQL_AVL_CONTINUE;
1334 switch ( bsi->bsi_scope ) {
1335 case LDAP_SCOPE_BASE:
1336 case BACKSQL_SCOPE_BASE_LIKE:
1338 * We do not accept DNs longer than BACKSQL_MAX_DN_LEN;
1339 * however this should be handled earlier
1341 if ( bsi->bsi_base_ndn->bv_len > BACKSQL_MAX_DN_LEN ) {
1342 bsi->bsi_status = LDAP_OTHER;
1343 return BACKSQL_AVL_CONTINUE;
1346 AC_MEMCPY( tmp_base_ndn, bsi->bsi_base_ndn->bv_val,
1347 bsi->bsi_base_ndn->bv_len + 1 );
1349 /* uppercase DN only if the stored DN can be uppercased
1351 if ( BACKSQL_CANUPPERCASE( bi ) ) {
1352 ldap_pvt_str2upper( tmp_base_ndn );
1355 Debug( LDAP_DEBUG_TRACE, "(base)dn: \"%s\"\n",
1356 tmp_base_ndn, 0, 0 );
1358 rc = backsql_BindParamStr( sth, 2, SQL_PARAM_INPUT,
1359 tmp_base_ndn, BACKSQL_MAX_DN_LEN );
1360 if ( rc != SQL_SUCCESS ) {
1361 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1362 "error binding base_ndn parameter\n", 0, 0, 0 );
1363 backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh,
1365 bsi->bsi_status = LDAP_OTHER;
1366 return BACKSQL_AVL_CONTINUE;
1370 #ifdef LDAP_SCOPE_SUBORDINATE
1371 case LDAP_SCOPE_SUBORDINATE:
1372 #endif /* LDAP_SCOPE_SUBORDINATE */
1373 case LDAP_SCOPE_SUBTREE:
1376 * We do not accept DNs longer than BACKSQL_MAX_DN_LEN;
1377 * however this should be handled earlier
1379 if ( bsi->bsi_base_ndn->bv_len > BACKSQL_MAX_DN_LEN ) {
1380 bsi->bsi_status = LDAP_OTHER;
1381 return BACKSQL_AVL_CONTINUE;
1385 * Sets the parameters for the SQL built earlier
1386 * NOTE that all the databases could actually use
1387 * the TimesTen version, which would be cleaner
1388 * and would also eliminate the need for the
1389 * subtree_cond line in the configuration file.
1390 * For now, I'm leaving it the way it is,
1391 * so non-TimesTen databases use the original code.
1392 * But at some point this should get cleaned up.
1394 * If "dn" is being used, do a suffix search.
1395 * If "dn_ru" is being used, do a prefix search.
1397 if ( BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ) {
1398 tmp_base_ndn[ 0 ] = '\0';
1400 for ( i = 0, j = bsi->bsi_base_ndn->bv_len - 1;
1402 tmp_base_ndn[ i ] = bsi->bsi_base_ndn->bv_val[ j ];
1405 #ifdef LDAP_SCOPE_SUBORDINATE
1406 if ( bsi->bsi_scope == LDAP_SCOPE_SUBORDINATE ) {
1407 tmp_base_ndn[ i++ ] = ',';
1409 #endif /* LDAP_SCOPE_SUBORDINATE */
1411 tmp_base_ndn[ i ] = '%';
1412 tmp_base_ndn[ i + 1 ] = '\0';
1417 tmp_base_ndn[ i++ ] = '%';
1419 #ifdef LDAP_SCOPE_SUBORDINATE
1420 if ( bsi->bsi_scope == LDAP_SCOPE_SUBORDINATE ) {
1421 tmp_base_ndn[ i++ ] = ',';
1423 #endif /* LDAP_SCOPE_SUBORDINATE */
1425 AC_MEMCPY( &tmp_base_ndn[ i ], bsi->bsi_base_ndn->bv_val,
1426 bsi->bsi_base_ndn->bv_len + 1 );
1429 /* uppercase DN only if the stored DN can be uppercased
1431 if ( BACKSQL_CANUPPERCASE( bi ) ) {
1432 ldap_pvt_str2upper( tmp_base_ndn );
1435 #ifdef LDAP_SCOPE_SUBORDINATE
1436 if ( bsi->bsi_scope == LDAP_SCOPE_SUBORDINATE ) {
1437 Debug( LDAP_DEBUG_TRACE, "(children)dn: \"%s\"\n",
1438 tmp_base_ndn, 0, 0 );
1440 #endif /* LDAP_SCOPE_SUBORDINATE */
1442 Debug( LDAP_DEBUG_TRACE, "(sub)dn: \"%s\"\n",
1443 tmp_base_ndn, 0, 0 );
1446 rc = backsql_BindParamStr( sth, 2, SQL_PARAM_INPUT,
1447 tmp_base_ndn, BACKSQL_MAX_DN_LEN );
1448 if ( rc != SQL_SUCCESS ) {
1449 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1450 "error binding base_ndn parameter (2)\n",
1452 backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh,
1454 bsi->bsi_status = LDAP_OTHER;
1455 return BACKSQL_AVL_CONTINUE;
1460 case LDAP_SCOPE_ONELEVEL:
1461 assert( !BER_BVISNULL( &bsi->bsi_base_id.eid_ndn ) );
1463 #ifdef BACKSQL_ARBITRARY_KEY
1464 Debug( LDAP_DEBUG_TRACE, "(one)id: \"%s\"\n",
1465 bsi->bsi_base_id.eid_id.bv_val, 0, 0 );
1466 #else /* ! BACKSQL_ARBITRARY_KEY */
1467 Debug( LDAP_DEBUG_TRACE, "(one)id: '%lu'\n",
1468 bsi->bsi_base_id.eid_id, 0, 0 );
1469 #endif /* ! BACKSQL_ARBITRARY_KEY */
1470 rc = backsql_BindParamID( sth, 2, SQL_PARAM_INPUT,
1471 &bsi->bsi_base_id.eid_id );
1472 if ( rc != SQL_SUCCESS ) {
1473 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1474 "error binding base id parameter\n", 0, 0, 0 );
1475 bsi->bsi_status = LDAP_OTHER;
1476 return BACKSQL_AVL_CONTINUE;
1481 rc = SQLExecute( sth );
1482 if ( !BACKSQL_SUCCESS( rc ) ) {
1483 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1484 "error executing query\n", 0, 0, 0 );
1485 backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
1486 SQLFreeStmt( sth, SQL_DROP );
1487 bsi->bsi_status = LDAP_OTHER;
1488 return BACKSQL_AVL_CONTINUE;
1491 backsql_BindRowAsStrings( sth, &row );
1492 rc = SQLFetch( sth );
1493 for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) {
1494 struct berval dn, pdn, ndn;
1495 backsql_entryID *c_id = NULL;
1498 ber_str2bv( row.cols[ 3 ], 0, 0, &dn );
1500 if ( backsql_api_odbc2dn( bsi->bsi_op, bsi->bsi_rs, &dn ) ) {
1504 ret = dnPrettyNormal( NULL, &dn, &pdn, &ndn, NULL );
1505 if ( dn.bv_val != row.cols[ 3 ] ) {
1509 if ( ret != LDAP_SUCCESS ) {
1513 if ( bi->sql_baseObject && dn_match( &ndn, &bi->sql_baseObject->e_nname ) ) {
1519 c_id = (backsql_entryID *)ch_calloc( 1,
1520 sizeof( backsql_entryID ) );
1521 #ifdef BACKSQL_ARBITRARY_KEY
1522 ber_str2bv( row.cols[ 0 ], 0, 1, &c_id->eid_id );
1523 ber_str2bv( row.cols[ 1 ], 0, 1, &c_id->eid_keyval );
1524 #else /* ! BACKSQL_ARBITRARY_KEY */
1525 c_id->eid_id = strtol( row.cols[ 0 ], NULL, 0 );
1526 c_id->eid_keyval = strtol( row.cols[ 1 ], NULL, 0 );
1527 #endif /* ! BACKSQL_ARBITRARY_KEY */
1528 c_id->eid_oc_id = bsi->bsi_oc->bom_id;
1531 c_id->eid_ndn = ndn;
1533 /* append at end of list ... */
1534 c_id->eid_next = NULL;
1535 *bsi->bsi_id_listtail = c_id;
1536 bsi->bsi_id_listtail = &c_id->eid_next;
1538 #ifdef BACKSQL_ARBITRARY_KEY
1539 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1540 "added entry id=%s, keyval=%s dn=\"%s\"\n",
1541 c_id->eid_id.bv_val, c_id->eid_keyval.bv_val,
1543 #else /* ! BACKSQL_ARBITRARY_KEY */
1544 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
1545 "added entry id=%ld, keyval=%ld dn=\"%s\"\n",
1546 c_id->eid_id, c_id->eid_keyval, row.cols[ 3 ] );
1547 #endif /* ! BACKSQL_ARBITRARY_KEY */
1549 /* count candidates, for unchecked limit */
1550 bsi->bsi_n_candidates--;
1551 if ( bsi->bsi_n_candidates == -1 ) {
1555 backsql_FreeRow( &row );
1556 SQLFreeStmt( sth, SQL_DROP );
1558 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc_get_candidates(): %d\n",
1559 n_candidates - bsi->bsi_n_candidates, 0, 0 );
1561 return ( bsi->bsi_n_candidates == -1 ? BACKSQL_AVL_STOP : BACKSQL_AVL_CONTINUE );
1565 backsql_search( Operation *op, SlapReply *rs )
1567 backsql_info *bi = (backsql_info *)op->o_bd->be_private;
1570 Entry user_entry = { 0 };
1572 time_t stoptime = 0;
1573 backsql_srch_info bsi;
1574 backsql_entryID *eid = NULL;
1575 struct berval nbase = BER_BVNULL;
1577 manageDSAit = get_manageDSAit( op );
1579 Debug( LDAP_DEBUG_TRACE, "==>backsql_search(): "
1580 "base=\"%s\", filter=\"%s\", scope=%d,",
1581 op->o_req_ndn.bv_val,
1582 op->ors_filterstr.bv_val,
1584 Debug( LDAP_DEBUG_TRACE, " deref=%d, attrsonly=%d, "
1585 "attributes to load: %s\n",
1588 op->ors_attrs == NULL ? "all" : "custom list" );
1590 if ( op->o_req_ndn.bv_len > BACKSQL_MAX_DN_LEN ) {
1591 Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
1592 "search base length (%ld) exceeds max length (%d)\n",
1593 op->o_req_ndn.bv_len, BACKSQL_MAX_DN_LEN, 0 );
1595 * FIXME: a LDAP_NO_SUCH_OBJECT could be appropriate
1596 * since it is impossible that such a long DN exists
1599 rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
1600 send_ldap_result( op, rs );
1604 sres = backsql_get_db_conn( op, &dbh );
1605 if ( sres != LDAP_SUCCESS ) {
1606 Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
1607 "could not get connection handle - exiting\n",
1610 rs->sr_text = sres == LDAP_OTHER ? "SQL-backend error" : NULL;
1611 send_ldap_result( op, rs );
1615 /* compute it anyway; root does not use it */
1616 stoptime = op->o_time + op->ors_tlimit;
1618 nbase = op->o_req_ndn;
1619 if ( backsql_api_dn2odbc( op, rs, &nbase ) ) {
1620 Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
1621 "backsql_api_dn2odbc failed\n",
1623 rs->sr_err = LDAP_OTHER;
1624 rs->sr_text = "SQL-backend error";
1625 send_ldap_result( op, rs );
1630 rs->sr_err = backsql_init_search( &bsi, &nbase,
1632 op->ors_slimit, op->ors_tlimit,
1633 stoptime, op->ors_filter,
1634 dbh, op, rs, op->ors_attrs, 1 );
1635 if ( rs->sr_err != LDAP_SUCCESS ) {
1636 send_ldap_result( op, rs );
1640 bsi.bsi_n_candidates =
1641 ( op->ors_limit == NULL /* isroot == TRUE */ ? -2 :
1642 ( op->ors_limit->lms_s_unchecked == -1 ? -2 :
1643 ( op->ors_limit->lms_s_unchecked ) ) );
1645 switch ( bsi.bsi_scope ) {
1646 case LDAP_SCOPE_BASE:
1647 case BACKSQL_SCOPE_BASE_LIKE:
1649 * probably already found...
1651 bsi.bsi_id_list = &bsi.bsi_base_id;
1652 bsi.bsi_id_listtail = &bsi.bsi_base_id.eid_next;
1655 case LDAP_SCOPE_SUBTREE:
1657 * if baseObject is defined, and if it is the root
1658 * of the search, add it to the candidate list
1660 if ( bi->sql_baseObject && BACKSQL_IS_BASEOBJECT_ID( &bsi.bsi_base_id.eid_id ) )
1662 bsi.bsi_id_list = &bsi.bsi_base_id;
1663 bsi.bsi_id_listtail = &bsi.bsi_base_id.eid_next;
1670 * for each objectclass we try to construct query which gets IDs
1671 * of entries matching LDAP query filter and scope (or at least
1672 * candidates), and get the IDs
1674 avl_apply( bi->sql_oc_by_oc, backsql_oc_get_candidates,
1675 &bsi, BACKSQL_AVL_STOP, AVL_INORDER );
1678 if ( op->ors_limit != NULL /* isroot == FALSE */
1679 && op->ors_limit->lms_s_unchecked != -1
1680 && bsi.bsi_n_candidates == -1 )
1682 rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
1683 send_ldap_result( op, rs );
1688 * now we load candidate entries (only those attributes
1689 * mentioned in attrs and filter), test it against full filter
1690 * and then send to client; don't free entry_id if baseObject...
1692 for ( eid = bsi.bsi_id_list;
1694 eid = backsql_free_entryID( eid, eid == &bsi.bsi_base_id ? 0 : 1 ) )
1697 Attribute *a_hasSubordinate = NULL,
1698 *a_entryUUID = NULL,
1702 /* check for abandon */
1703 if ( op->o_abandon ) {
1707 /* check time limit */
1708 if ( op->ors_tlimit != SLAP_NO_LIMIT
1709 && slap_get_time() > stoptime )
1711 rs->sr_err = LDAP_TIMELIMIT_EXCEEDED;
1712 rs->sr_ctrls = NULL;
1713 rs->sr_ref = rs->sr_v2ref;
1714 rs->sr_err = (rs->sr_v2ref == NULL) ? LDAP_SUCCESS
1716 send_ldap_result( op, rs );
1720 #ifdef BACKSQL_ARBITRARY_KEY
1721 Debug(LDAP_DEBUG_TRACE, "backsql_search(): loading data "
1722 "for entry id=%s, oc_id=%ld, keyval=%s\n",
1723 eid->eid_id.bv_val, eid->eid_oc_id,
1724 eid->eid_keyval.bv_val );
1725 #else /* ! BACKSQL_ARBITRARY_KEY */
1726 Debug(LDAP_DEBUG_TRACE, "backsql_search(): loading data "
1727 "for entry id=%ld, oc_id=%ld, keyval=%ld\n",
1728 eid->eid_id, eid->eid_oc_id, eid->eid_keyval );
1729 #endif /* ! BACKSQL_ARBITRARY_KEY */
1731 /* don't recollect baseObject ... */
1732 if ( BACKSQL_IS_BASEOBJECT_ID( &eid->eid_id ) ) {
1733 e = bi->sql_baseObject;
1736 bsi.bsi_e = &user_entry;
1737 rc = backsql_id2entry( &bsi, eid );
1738 if ( rc != LDAP_SUCCESS ) {
1739 Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
1740 "error %d in backsql_id2entry() "
1741 "- skipping\n", rc, 0, 0 );
1749 switch ( op->ors_scope ) {
1750 case LDAP_SCOPE_BASE:
1751 case BACKSQL_SCOPE_BASE_LIKE:
1752 if ( !dn_match( &e->e_nname, &op->o_req_ndn ) ) {
1757 case LDAP_SCOPE_ONE:
1759 struct berval rdn = user_entry.e_nname;
1761 rdn.bv_len -= op->o_req_ndn.bv_len + STRLENOF( "," );
1762 if ( !dnIsOneLevelRDN( &rdn ) ) {
1768 #ifdef LDAP_SCOPE_SUBORDINATE
1769 case LDAP_SCOPE_SUBORDINATE:
1770 /* discard the baseObject entry */
1771 if ( dn_match( &e->e_nname, &op->o_req_ndn ) ) {
1775 #endif /* LDAP_SCOPE_SUBORDINATE */
1777 case LDAP_SCOPE_SUBTREE:
1778 /* FIXME: this should never fail... */
1779 if ( !dnIsSuffix( &e->e_nname, &op->o_req_ndn ) ) {
1785 if ( !manageDSAit &&
1786 op->ors_scope != LDAP_SCOPE_BASE &&
1787 op->ors_scope != BACKSQL_SCOPE_BASE_LIKE &&
1788 is_entry_referral( e ) )
1792 refs = get_entry_referrals( op, e );
1794 backsql_srch_info bsi2 = { 0 };
1795 Entry user_entry2 = { 0 };
1797 /* retry with the full entry... */
1798 (void)backsql_init_search( &bsi2,
1802 dbh, op, rs, NULL, 0 );
1803 bsi2.bsi_e = &user_entry2;
1804 rc = backsql_id2entry( &bsi2, eid );
1805 if ( rc == LDAP_SUCCESS ) {
1806 if ( is_entry_referral( &user_entry2 ) )
1808 refs = get_entry_referrals( op,
1810 } /* else: FIXME: inconsistency! */
1811 entry_clean( &user_entry2 );
1816 rs->sr_ref = referral_rewrite( refs,
1820 ber_bvarray_free( refs );
1823 if ( !rs->sr_ref ) {
1824 rs->sr_text = "bad_referral object";
1827 rs->sr_err = LDAP_REFERRAL;
1828 rs->sr_matched = user_entry.e_name.bv_val;
1829 send_search_reference( op, rs );
1831 ber_bvarray_free( rs->sr_ref );
1833 rs->sr_matched = NULL;
1839 * We use this flag since we need to parse the filter
1840 * anyway; we should have used the frontend API function
1841 * filter_has_subordinates()
1843 if ( bsi.bsi_flags & BSQL_SF_FILTER_HASSUBORDINATE ) {
1844 rc = backsql_has_children( bi, dbh, &e->e_nname );
1847 case LDAP_COMPARE_TRUE:
1848 case LDAP_COMPARE_FALSE:
1849 a_hasSubordinate = slap_operational_hasSubordinate( rc == LDAP_COMPARE_TRUE );
1850 if ( a_hasSubordinate != NULL ) {
1851 for ( a = user_entry.e_attrs;
1855 a->a_next = a_hasSubordinate;
1861 Debug(LDAP_DEBUG_TRACE,
1862 "backsql_search(): "
1863 "has_children failed( %d)\n",
1870 if ( bsi.bsi_flags & BSQL_SF_FILTER_ENTRYUUID ) {
1871 a_entryUUID = backsql_operational_entryUUID( bi, eid );
1872 if ( a_entryUUID != NULL ) {
1873 for ( a = user_entry.e_attrs;
1877 a->a_next = a_entryUUID;
1881 if ( test_filter( op, e, op->ors_filter ) == LDAP_COMPARE_TRUE )
1884 if ( a_hasSubordinate && !( bsi.bsi_flags & BSQL_SF_ALL_OPER )
1885 && !ad_inlist( slap_schema.si_ad_hasSubordinates, op->ors_attrs ) )
1888 attr_free( a_hasSubordinate );
1889 a_hasSubordinate = NULL;
1892 if ( a_entryUUID && !( bsi.bsi_flags & BSQL_SF_ALL_OPER )
1893 && !ad_inlist( slap_schema.si_ad_entryUUID, op->ors_attrs ) )
1896 attr_free( a_hasSubordinate );
1897 a_hasSubordinate = NULL;
1901 rs->sr_attrs = op->ors_attrs;
1902 rs->sr_operational_attrs = NULL;
1904 if ( e == &user_entry ) {
1905 rs->sr_flags = REP_ENTRY_MODIFIABLE;
1907 sres = send_search_entry( op, rs );
1908 rs->sr_entry = NULL;
1909 rs->sr_attrs = NULL;
1910 rs->sr_operational_attrs = NULL;
1918 * FIXME: send_search_entry failed;
1922 Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
1923 "connection lost\n", 0, 0, 0 );
1929 entry_clean( &user_entry );
1931 if ( op->ors_slimit != SLAP_NO_LIMIT
1932 && rs->sr_nentries >= op->ors_slimit )
1934 rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
1935 send_ldap_result( op, rs );
1941 /* in case we got here accidentally */
1942 entry_clean( &user_entry );
1944 if ( rs->sr_nentries > 0 ) {
1945 rs->sr_ref = rs->sr_v2ref;
1946 rs->sr_err = (rs->sr_v2ref == NULL) ? LDAP_SUCCESS
1950 rs->sr_err = bsi.bsi_status;
1952 send_ldap_result( op, rs );
1954 if ( rs->sr_v2ref ) {
1955 ber_bvarray_free( rs->sr_v2ref );
1956 rs->sr_v2ref = NULL;
1960 if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
1961 (void)backsql_free_entryID( &bsi.bsi_base_id, 0 );
1964 if ( bsi.bsi_attrs ) {
1965 ch_free( bsi.bsi_attrs );
1968 if ( !BER_BVISNULL( &nbase )
1969 && nbase.bv_val != op->o_req_ndn.bv_val )
1971 ch_free( nbase.bv_val );
1974 /* restore scope ... FIXME: this should be done before ANY
1975 * frontend call that uses op */
1976 if ( op->ors_scope == BACKSQL_SCOPE_BASE_LIKE ) {
1977 op->ors_scope = LDAP_SCOPE_BASE;
1980 Debug( LDAP_DEBUG_TRACE, "<==backsql_search()\n", 0, 0, 0 );