1/*	$NetBSD: entry-id.c,v 1.3 2021/08/14 16:15:01 christos Exp $	*/
2
3/* $OpenLDAP$ */
4/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 1999-2021 The OpenLDAP Foundation.
7 * Portions Copyright 1999 Dmitry Kovalev.
8 * Portions Copyright 2002 Pierangelo Masarati.
9 * Portions Copyright 2004 Mark Adamson.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted only as authorized by the OpenLDAP
14 * Public License.
15 *
16 * A copy of this license is available in the file LICENSE in the
17 * top-level directory of the distribution or, alternatively, at
18 * <http://www.OpenLDAP.org/license.html>.
19 */
20/* ACKNOWLEDGEMENTS:
21 * This work was initially developed by Dmitry Kovalev for inclusion
22 * by OpenLDAP Software.  Additional significant contributors include
23 * Pierangelo Masarati and Mark Adamson.
24 */
25
26#include <sys/cdefs.h>
27__RCSID("$NetBSD: entry-id.c,v 1.3 2021/08/14 16:15:01 christos Exp $");
28
29#include "portable.h"
30
31#include <stdio.h>
32#include <sys/types.h>
33#include "ac/string.h"
34
35#include "lutil.h"
36#include "slap.h"
37#include "proto-sql.h"
38
39#ifdef BACKSQL_ARBITRARY_KEY
40struct berval backsql_baseObject_bv = BER_BVC( BACKSQL_BASEOBJECT_IDSTR );
41#endif /* BACKSQL_ARBITRARY_KEY */
42
43backsql_entryID *
44backsql_entryID_dup( backsql_entryID *src, void *ctx )
45{
46	backsql_entryID	*dst;
47
48	if ( src == NULL ) return NULL;
49
50	dst = slap_sl_calloc( 1, sizeof( backsql_entryID ), ctx );
51	ber_dupbv_x( &dst->eid_ndn, &src->eid_ndn, ctx );
52	if ( src->eid_dn.bv_val == src->eid_ndn.bv_val ) {
53		dst->eid_dn = dst->eid_ndn;
54	} else {
55		ber_dupbv_x( &dst->eid_dn, &src->eid_dn, ctx );
56	}
57
58#ifdef BACKSQL_ARBITRARY_KEY
59	ber_dupbv_x( &dst->eid_id, &src->eid_id, ctx );
60	ber_dupbv_x( &dst->eid_keyval, &src->eid_keyval, ctx );
61#else /* ! BACKSQL_ARBITRARY_KEY */
62	dst->eid_id = src->eid_id;
63	dst->eid_keyval = src->eid_keyval;
64#endif /* ! BACKSQL_ARBITRARY_KEY */
65
66	dst->eid_oc = src->eid_oc;
67	dst->eid_oc_id = src->eid_oc_id;
68
69	return dst;
70}
71
72backsql_entryID *
73backsql_free_entryID( backsql_entryID *id, int freeit, void *ctx )
74{
75	backsql_entryID 	*next;
76
77	assert( id != NULL );
78
79	next = id->eid_next;
80
81	if ( !BER_BVISNULL( &id->eid_ndn ) ) {
82		if ( !BER_BVISNULL( &id->eid_dn )
83				&& id->eid_dn.bv_val != id->eid_ndn.bv_val )
84		{
85			slap_sl_free( id->eid_dn.bv_val, ctx );
86			BER_BVZERO( &id->eid_dn );
87		}
88
89		slap_sl_free( id->eid_ndn.bv_val, ctx );
90		BER_BVZERO( &id->eid_ndn );
91	}
92
93#ifdef BACKSQL_ARBITRARY_KEY
94	if ( !BER_BVISNULL( &id->eid_id ) ) {
95		slap_sl_free( id->eid_id.bv_val, ctx );
96		BER_BVZERO( &id->eid_id );
97	}
98
99	if ( !BER_BVISNULL( &id->eid_keyval ) ) {
100		slap_sl_free( id->eid_keyval.bv_val, ctx );
101		BER_BVZERO( &id->eid_keyval );
102	}
103#endif /* BACKSQL_ARBITRARY_KEY */
104
105	if ( freeit ) {
106		slap_sl_free( id, ctx );
107	}
108
109	return next;
110}
111
112/*
113 * NOTE: the dn must be normalized
114 */
115int
116backsql_dn2id(
117	Operation		*op,
118	SlapReply		*rs,
119	SQLHDBC			dbh,
120	struct berval		*ndn,
121	backsql_entryID		*id,
122	int			matched,
123	int			muck )
124{
125	backsql_info		*bi = op->o_bd->be_private;
126	SQLHSTMT		sth = SQL_NULL_HSTMT;
127	BACKSQL_ROW_NTS		row = { 0 };
128	RETCODE 		rc;
129	int			res;
130	struct berval		realndn = BER_BVNULL;
131
132	/* TimesTen */
133	char			upperdn[ BACKSQL_MAX_DN_LEN + 1 ];
134	struct berval		tbbDN;
135	int			i, j;
136
137	/*
138	 * NOTE: id can be NULL; in this case, the function
139	 * simply checks whether the DN can be successfully
140	 * turned into an ID, returning LDAP_SUCCESS for
141	 * positive cases, or the most appropriate error
142	 */
143
144	Debug( LDAP_DEBUG_TRACE, "==>backsql_dn2id(\"%s\")%s%s\n",
145			ndn->bv_val, id == NULL ? " (no ID expected)" : "",
146			matched ? " matched expected" : "" );
147
148	if ( id ) {
149		/* NOTE: trap inconsistencies */
150		assert( BER_BVISNULL( &id->eid_ndn ) );
151	}
152
153	if ( ndn->bv_len > BACKSQL_MAX_DN_LEN ) {
154		Debug( LDAP_DEBUG_TRACE,
155			"   backsql_dn2id(\"%s\"): DN length=%ld "
156			"exceeds max DN length %d:\n",
157			ndn->bv_val, ndn->bv_len, BACKSQL_MAX_DN_LEN );
158		return LDAP_OTHER;
159	}
160
161	/* return baseObject if available and matches */
162	/* FIXME: if ndn is already mucked, we cannot check this */
163	if ( bi->sql_baseObject != NULL &&
164			dn_match( ndn, &bi->sql_baseObject->e_nname ) )
165	{
166		if ( id != NULL ) {
167#ifdef BACKSQL_ARBITRARY_KEY
168			ber_dupbv_x( &id->eid_id, &backsql_baseObject_bv,
169					op->o_tmpmemctx );
170			ber_dupbv_x( &id->eid_keyval, &backsql_baseObject_bv,
171					op->o_tmpmemctx );
172#else /* ! BACKSQL_ARBITRARY_KEY */
173			id->eid_id = BACKSQL_BASEOBJECT_ID;
174			id->eid_keyval = BACKSQL_BASEOBJECT_KEYVAL;
175#endif /* ! BACKSQL_ARBITRARY_KEY */
176			id->eid_oc_id = BACKSQL_BASEOBJECT_OC;
177
178			ber_dupbv_x( &id->eid_ndn, &bi->sql_baseObject->e_nname,
179					op->o_tmpmemctx );
180			ber_dupbv_x( &id->eid_dn, &bi->sql_baseObject->e_name,
181					op->o_tmpmemctx );
182
183			id->eid_next = NULL;
184		}
185
186		return LDAP_SUCCESS;
187	}
188
189	/* begin TimesTen */
190	assert( bi->sql_id_query != NULL );
191	Debug( LDAP_DEBUG_TRACE, "   backsql_dn2id(\"%s\"): id_query \"%s\"\n",
192			ndn->bv_val, bi->sql_id_query );
193 	rc = backsql_Prepare( dbh, &sth, bi->sql_id_query, 0 );
194	if ( rc != SQL_SUCCESS ) {
195		Debug( LDAP_DEBUG_TRACE,
196			"   backsql_dn2id(\"%s\"): "
197			"error preparing SQL:\n   %s",
198			ndn->bv_val, bi->sql_id_query );
199		backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
200		res = LDAP_OTHER;
201		goto done;
202	}
203
204	realndn = *ndn;
205	if ( muck ) {
206		if ( backsql_api_dn2odbc( op, rs, &realndn ) ) {
207			Debug( LDAP_DEBUG_TRACE, "   backsql_dn2id(\"%s\"): "
208				"backsql_api_dn2odbc(\"%s\") failed\n",
209				ndn->bv_val, realndn.bv_val );
210			res = LDAP_OTHER;
211			goto done;
212		}
213	}
214
215	if ( BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ) {
216		/*
217		 * Prepare an upper cased, byte reversed version
218		 * that can be searched using indexes
219		 */
220
221		for ( i = 0, j = realndn.bv_len - 1; realndn.bv_val[ i ]; i++, j--)
222		{
223			upperdn[ i ] = realndn.bv_val[ j ];
224		}
225		upperdn[ i ] = '\0';
226		ldap_pvt_str2upper( upperdn );
227
228		Debug( LDAP_DEBUG_TRACE, "   backsql_dn2id(\"%s\"): "
229				"upperdn=\"%s\"\n",
230				ndn->bv_val, upperdn );
231		ber_str2bv( upperdn, 0, 0, &tbbDN );
232
233	} else {
234		if ( BACKSQL_USE_REVERSE_DN( bi ) ) {
235			AC_MEMCPY( upperdn, realndn.bv_val, realndn.bv_len + 1 );
236			ldap_pvt_str2upper( upperdn );
237			Debug( LDAP_DEBUG_TRACE,
238				"   backsql_dn2id(\"%s\"): "
239				"upperdn=\"%s\"\n",
240				ndn->bv_val, upperdn );
241			ber_str2bv( upperdn, 0, 0, &tbbDN );
242
243		} else {
244			tbbDN = realndn;
245		}
246	}
247
248	rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, &tbbDN );
249	if ( rc != SQL_SUCCESS) {
250		/* end TimesTen */
251		Debug( LDAP_DEBUG_TRACE, "   backsql_dn2id(\"%s\"): "
252			"error binding dn=\"%s\" parameter:\n",
253			ndn->bv_val, tbbDN.bv_val );
254		backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
255		res = LDAP_OTHER;
256		goto done;
257	}
258
259	rc = SQLExecute( sth );
260	if ( rc != SQL_SUCCESS ) {
261		Debug( LDAP_DEBUG_TRACE, "   backsql_dn2id(\"%s\"): "
262			"error executing query (\"%s\", \"%s\"):\n",
263			ndn->bv_val, bi->sql_id_query, tbbDN.bv_val );
264		backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
265		res = LDAP_OTHER;
266		goto done;
267	}
268
269	backsql_BindRowAsStrings_x( sth, &row, op->o_tmpmemctx );
270	rc = SQLFetch( sth );
271	if ( BACKSQL_SUCCESS( rc ) ) {
272#ifdef LDAP_DEBUG
273		Debug(LDAP_DEBUG_TRACE,
274		      "   backsql_dn2id(\"%s\"): id=%s keyval=%s oc_id=%s dn=%s\n",
275		      ndn->bv_val, row.cols[0], row.cols[1], row.cols[2],
276		      row.cols[3] );
277#endif /* LDAP_DEBUG */
278
279		res = LDAP_SUCCESS;
280		if ( id != NULL ) {
281			struct berval	dn;
282
283			id->eid_next = NULL;
284
285#ifdef BACKSQL_ARBITRARY_KEY
286			ber_str2bv_x( row.cols[ 0 ], 0, 1, &id->eid_id,
287					op->o_tmpmemctx );
288			ber_str2bv_x( row.cols[ 1 ], 0, 1, &id->eid_keyval,
289					op->o_tmpmemctx );
290#else /* ! BACKSQL_ARBITRARY_KEY */
291			if ( BACKSQL_STR2ID( &id->eid_id, row.cols[ 0 ], 0 ) != 0 ) {
292				res = LDAP_OTHER;
293				goto done;
294			}
295			if ( BACKSQL_STR2ID( &id->eid_keyval, row.cols[ 1 ], 0 ) != 0 ) {
296				res = LDAP_OTHER;
297				goto done;
298			}
299#endif /* ! BACKSQL_ARBITRARY_KEY */
300			if ( BACKSQL_STR2ID( &id->eid_oc_id, row.cols[ 2 ], 0 ) != 0 ) {
301				res = LDAP_OTHER;
302				goto done;
303			}
304
305			ber_str2bv( row.cols[ 3 ], 0, 0, &dn );
306
307			if ( backsql_api_odbc2dn( op, rs, &dn ) ) {
308				res = LDAP_OTHER;
309				goto done;
310			}
311
312			res = dnPrettyNormal( NULL, &dn,
313					&id->eid_dn, &id->eid_ndn,
314					op->o_tmpmemctx );
315			if ( res != LDAP_SUCCESS ) {
316				Debug( LDAP_DEBUG_TRACE,
317					"   backsql_dn2id(\"%s\"): "
318					"dnPrettyNormal failed (%d: %s)\n",
319					realndn.bv_val, res,
320					ldap_err2string( res ) );
321
322				/* cleanup... */
323				(void)backsql_free_entryID( id, 0, op->o_tmpmemctx );
324			}
325
326			if ( dn.bv_val != row.cols[ 3 ] ) {
327				free( dn.bv_val );
328			}
329		}
330
331	} else {
332		res = LDAP_NO_SUCH_OBJECT;
333		if ( matched ) {
334			struct berval	pdn = *ndn;
335
336			/*
337			 * Look for matched
338			 */
339			rs->sr_matched = NULL;
340			while ( !be_issuffix( op->o_bd, &pdn ) ) {
341				char		*matchedDN = NULL;
342
343				dnParent( &pdn, &pdn );
344
345				/*
346				 * Empty DN ("") defaults to LDAP_SUCCESS
347				 */
348				rs->sr_err = backsql_dn2id( op, rs, dbh, &pdn, id, 0, 1 );
349				switch ( rs->sr_err ) {
350				case LDAP_NO_SUCH_OBJECT:
351					/* try another one */
352					break;
353
354				case LDAP_SUCCESS:
355					matchedDN = pdn.bv_val;
356					/* fail over to next case */
357
358				default:
359					rs->sr_err = LDAP_NO_SUCH_OBJECT;
360					rs->sr_matched = matchedDN;
361					goto done;
362				}
363			}
364		}
365	}
366
367done:;
368	backsql_FreeRow_x( &row, op->o_tmpmemctx );
369
370	Debug( LDAP_DEBUG_TRACE,
371		"<==backsql_dn2id(\"%s\"): err=%d\n",
372		ndn->bv_val, res );
373	if ( sth != SQL_NULL_HSTMT ) {
374		SQLFreeStmt( sth, SQL_DROP );
375	}
376
377	if ( !BER_BVISNULL( &realndn ) && realndn.bv_val != ndn->bv_val ) {
378		ch_free( realndn.bv_val );
379	}
380
381	return res;
382}
383
384int
385backsql_count_children(
386	Operation		*op,
387	SQLHDBC			dbh,
388	struct berval		*dn,
389	unsigned long		*nchildren )
390{
391	backsql_info 		*bi = (backsql_info *)op->o_bd->be_private;
392	SQLHSTMT		sth = SQL_NULL_HSTMT;
393	BACKSQL_ROW_NTS		row;
394	RETCODE 		rc;
395	int			res = LDAP_SUCCESS;
396
397	Debug( LDAP_DEBUG_TRACE, "==>backsql_count_children(): dn=\"%s\"\n",
398			dn->bv_val );
399
400	if ( dn->bv_len > BACKSQL_MAX_DN_LEN ) {
401		Debug( LDAP_DEBUG_TRACE,
402			"backsql_count_children(): DN \"%s\" (%ld bytes) "
403			"exceeds max DN length (%d):\n",
404			dn->bv_val, dn->bv_len, BACKSQL_MAX_DN_LEN );
405		return LDAP_OTHER;
406	}
407
408	/* begin TimesTen */
409	assert( bi->sql_has_children_query != NULL );
410	Debug(LDAP_DEBUG_TRACE, "children id query \"%s\"\n",
411			bi->sql_has_children_query );
412 	rc = backsql_Prepare( dbh, &sth, bi->sql_has_children_query, 0 );
413	if ( rc != SQL_SUCCESS ) {
414		Debug( LDAP_DEBUG_TRACE,
415			"backsql_count_children(): error preparing SQL:\n%s",
416			bi->sql_has_children_query );
417		backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
418		SQLFreeStmt( sth, SQL_DROP );
419		return LDAP_OTHER;
420	}
421
422	rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, dn );
423	if ( rc != SQL_SUCCESS) {
424		/* end TimesTen */
425		Debug( LDAP_DEBUG_TRACE, "backsql_count_children(): "
426			"error binding dn=\"%s\" parameter:\n",
427			dn->bv_val );
428		backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
429		SQLFreeStmt( sth, SQL_DROP );
430		return LDAP_OTHER;
431	}
432
433	rc = SQLExecute( sth );
434	if ( rc != SQL_SUCCESS ) {
435		Debug( LDAP_DEBUG_TRACE, "backsql_count_children(): "
436			"error executing query (\"%s\", \"%s\"):\n",
437			bi->sql_has_children_query, dn->bv_val );
438		backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
439		SQLFreeStmt( sth, SQL_DROP );
440		return LDAP_OTHER;
441	}
442
443	backsql_BindRowAsStrings_x( sth, &row, op->o_tmpmemctx );
444
445	rc = SQLFetch( sth );
446	if ( BACKSQL_SUCCESS( rc ) ) {
447		char *end;
448
449		*nchildren = strtol( row.cols[ 0 ], &end, 0 );
450		if ( end == row.cols[ 0 ] ) {
451			res = LDAP_OTHER;
452
453		} else {
454			switch ( end[ 0 ] ) {
455			case '\0':
456				break;
457
458			case '.': {
459				unsigned long	ul;
460
461				/* FIXME: braindead RDBMSes return
462				 * a fractional number from COUNT!
463				 */
464				if ( lutil_atoul( &ul, end + 1 ) != 0 || ul != 0 ) {
465					res = LDAP_OTHER;
466				}
467				} break;
468
469			default:
470				res = LDAP_OTHER;
471			}
472		}
473
474	} else {
475		res = LDAP_OTHER;
476	}
477	backsql_FreeRow_x( &row, op->o_tmpmemctx );
478
479	SQLFreeStmt( sth, SQL_DROP );
480
481	Debug( LDAP_DEBUG_TRACE, "<==backsql_count_children(): %lu\n",
482			*nchildren );
483
484	return res;
485}
486
487int
488backsql_has_children(
489	Operation		*op,
490	SQLHDBC			dbh,
491	struct berval		*dn )
492{
493	unsigned long	nchildren;
494	int		rc;
495
496	rc = backsql_count_children( op, dbh, dn, &nchildren );
497
498	if ( rc == LDAP_SUCCESS ) {
499		return nchildren > 0 ? LDAP_COMPARE_TRUE : LDAP_COMPARE_FALSE;
500	}
501
502	return rc;
503}
504
505static int
506backsql_get_attr_vals( void *v_at, void *v_bsi )
507{
508	backsql_at_map_rec	*at = v_at;
509	backsql_srch_info	*bsi = v_bsi;
510	backsql_info		*bi;
511	RETCODE			rc;
512	SQLHSTMT		sth = SQL_NULL_HSTMT;
513	BACKSQL_ROW_NTS		row;
514	unsigned long		i,
515				k = 0,
516				oldcount = 0,
517				res = 0;
518#ifdef BACKSQL_COUNTQUERY
519	unsigned 		count,
520				j,
521				append = 0;
522	SQLLEN			countsize = sizeof( count );
523	Attribute		*attr = NULL;
524
525	slap_mr_normalize_func		*normfunc = NULL;
526#endif /* BACKSQL_COUNTQUERY */
527#ifdef BACKSQL_PRETTY_VALIDATE
528	slap_syntax_validate_func	*validate = NULL;
529	slap_syntax_transform_func	*pretty = NULL;
530#endif /* BACKSQL_PRETTY_VALIDATE */
531
532	assert( at != NULL );
533	assert( bsi != NULL );
534	Debug( LDAP_DEBUG_TRACE, "==>backsql_get_attr_vals(): "
535		"oc=\"%s\" attr=\"%s\" keyval=" BACKSQL_IDFMT "\n",
536		BACKSQL_OC_NAME( bsi->bsi_oc ), at->bam_ad->ad_cname.bv_val,
537		BACKSQL_IDARG(bsi->bsi_c_eid->eid_keyval) );
538
539	bi = (backsql_info *)bsi->bsi_op->o_bd->be_private;
540
541#ifdef BACKSQL_PRETTY_VALIDATE
542	validate = at->bam_true_ad->ad_type->sat_syntax->ssyn_validate;
543	pretty =  at->bam_true_ad->ad_type->sat_syntax->ssyn_pretty;
544
545	if ( validate == NULL && pretty == NULL ) {
546		return 1;
547	}
548#endif /* BACKSQL_PRETTY_VALIDATE */
549
550#ifdef BACKSQL_COUNTQUERY
551	if ( at->bam_true_ad->ad_type->sat_equality ) {
552		normfunc = at->bam_true_ad->ad_type->sat_equality->smr_normalize;
553	}
554
555	/* Count how many rows will be returned. This avoids memory
556	 * fragmentation that can result from loading the values in
557	 * one by one and using realloc()
558	 */
559	rc = backsql_Prepare( bsi->bsi_dbh, &sth, at->bam_countquery, 0 );
560	if ( rc != SQL_SUCCESS ) {
561		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
562			"error preparing count query: %s\n",
563			at->bam_countquery );
564		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
565		return 1;
566	}
567
568	rc = backsql_BindParamID( sth, 1, SQL_PARAM_INPUT,
569			&bsi->bsi_c_eid->eid_keyval );
570	if ( rc != SQL_SUCCESS ) {
571		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
572			"error binding key value parameter\n" );
573		SQLFreeStmt( sth, SQL_DROP );
574		return 1;
575	}
576
577	rc = SQLExecute( sth );
578	if ( ! BACKSQL_SUCCESS( rc ) ) {
579		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
580			"error executing attribute count query '%s'\n",
581			at->bam_countquery );
582		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
583		SQLFreeStmt( sth, SQL_DROP );
584		return 1;
585	}
586
587	SQLBindCol( sth, (SQLUSMALLINT)1, SQL_C_LONG,
588			(SQLPOINTER)&count,
589			(SQLINTEGER)sizeof( count ),
590			&countsize );
591
592	rc = SQLFetch( sth );
593	if ( rc != SQL_SUCCESS ) {
594		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
595			"error fetch results of count query: %s\n",
596			at->bam_countquery );
597		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
598		SQLFreeStmt( sth, SQL_DROP );
599		return 1;
600	}
601
602	Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
603		"number of values in query: %u\n", count );
604	SQLFreeStmt( sth, SQL_DROP );
605	if ( count == 0 ) {
606		return 1;
607	}
608
609	attr = attr_find( bsi->bsi_e->e_attrs, at->bam_true_ad );
610	if ( attr != NULL ) {
611		BerVarray	tmp;
612
613		if ( attr->a_vals != NULL ) {
614			oldcount = attr->a_numvals;
615		}
616
617		tmp = ch_realloc( attr->a_vals, ( oldcount + count + 1 ) * sizeof( struct berval ) );
618		if ( tmp == NULL ) {
619			return 1;
620		}
621		attr->a_vals = tmp;
622		memset( &attr->a_vals[ oldcount ], 0, ( count + 1 ) * sizeof( struct berval ) );
623
624		if ( normfunc ) {
625			tmp = ch_realloc( attr->a_nvals, ( oldcount + count + 1 ) * sizeof( struct berval ) );
626			if ( tmp == NULL ) {
627				return 1;
628			}
629			attr->a_nvals = tmp;
630			memset( &attr->a_nvals[ oldcount ], 0, ( count + 1 ) * sizeof( struct berval ) );
631
632		} else {
633			attr->a_nvals = attr->a_vals;
634		}
635		attr->a_numvals += count;
636
637	} else {
638		append = 1;
639
640		/* Make space for the array of values */
641		attr = attr_alloc( at->bam_true_ad );
642		attr->a_numvals = count;
643		attr->a_vals = ch_calloc( count + 1, sizeof( struct berval ) );
644		if ( attr->a_vals == NULL ) {
645			Debug( LDAP_DEBUG_TRACE, "Out of memory!\n" );
646			ch_free( attr );
647			return 1;
648		}
649		if ( normfunc ) {
650			attr->a_nvals = ch_calloc( count + 1, sizeof( struct berval ) );
651			if ( attr->a_nvals == NULL ) {
652				ch_free( attr->a_vals );
653				ch_free( attr );
654				return 1;
655
656			}
657
658		} else {
659			attr->a_nvals = attr->a_vals;
660		}
661	}
662#endif /* BACKSQL_COUNTQUERY */
663
664	rc = backsql_Prepare( bsi->bsi_dbh, &sth, at->bam_query, 0 );
665	if ( rc != SQL_SUCCESS ) {
666		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
667			"error preparing query: %s\n", at->bam_query );
668		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
669#ifdef BACKSQL_COUNTQUERY
670		if ( append ) {
671			attr_free( attr );
672		}
673#endif /* BACKSQL_COUNTQUERY */
674		return 1;
675	}
676
677	rc = backsql_BindParamID( sth, 1, SQL_PARAM_INPUT,
678			&bsi->bsi_c_eid->eid_keyval );
679	if ( rc != SQL_SUCCESS ) {
680		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
681			"error binding key value parameter\n" );
682#ifdef BACKSQL_COUNTQUERY
683		if ( append ) {
684			attr_free( attr );
685		}
686#endif /* BACKSQL_COUNTQUERY */
687		return 1;
688	}
689
690#ifdef BACKSQL_TRACE
691	Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
692		"query=\"%s\" keyval=" BACKSQL_IDFMT "\n", at->bam_query,
693		BACKSQL_IDARG(bsi->bsi_c_eid->eid_keyval) );
694#endif /* BACKSQL_TRACE */
695
696	rc = SQLExecute( sth );
697	if ( ! BACKSQL_SUCCESS( rc ) ) {
698		Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_vals(): "
699			"error executing attribute query \"%s\"\n",
700			at->bam_query );
701		backsql_PrintErrors( bi->sql_db_env, bsi->bsi_dbh, sth, rc );
702		SQLFreeStmt( sth, SQL_DROP );
703#ifdef BACKSQL_COUNTQUERY
704		if ( append ) {
705			attr_free( attr );
706		}
707#endif /* BACKSQL_COUNTQUERY */
708		return 1;
709	}
710
711	backsql_BindRowAsStrings_x( sth, &row, bsi->bsi_op->o_tmpmemctx );
712#ifdef BACKSQL_COUNTQUERY
713	j = oldcount;
714#endif /* BACKSQL_COUNTQUERY */
715	for ( rc = SQLFetch( sth ), k = 0;
716			BACKSQL_SUCCESS( rc );
717			rc = SQLFetch( sth ), k++ )
718	{
719		for ( i = 0; i < (unsigned long)row.ncols; i++ ) {
720
721			if ( row.value_len[ i ] > 0 ) {
722				struct berval		bv;
723				int			retval;
724#ifdef BACKSQL_TRACE
725				AttributeDescription	*ad = NULL;
726				const char		*text;
727
728				retval = slap_bv2ad( &row.col_names[ i ], &ad, &text );
729				if ( retval != LDAP_SUCCESS ) {
730					Debug( LDAP_DEBUG_ANY,
731						"==>backsql_get_attr_vals(\"%s\"): "
732						"unable to find AttributeDescription %s "
733						"in schema (%d)\n",
734						bsi->bsi_e->e_name.bv_val,
735						row.col_names[ i ].bv_val, retval );
736					res = 1;
737					goto done;
738				}
739
740				if ( ad != at->bam_ad ) {
741					Debug( LDAP_DEBUG_ANY,
742						"==>backsql_get_attr_vals(\"%s\"): "
743						"column name %s differs from "
744						"AttributeDescription %s\n",
745						bsi->bsi_e->e_name.bv_val,
746						ad->ad_cname.bv_val,
747						at->bam_ad->ad_cname.bv_val );
748					res = 1;
749					goto done;
750				}
751#endif /* BACKSQL_TRACE */
752
753				/* ITS#3386, ITS#3113 - 20070308
754				 * If a binary is fetched?
755				 * must use the actual size read
756				 * from the database.
757				 */
758				if ( BACKSQL_IS_BINARY( row.col_type[ i ] ) ) {
759#ifdef BACKSQL_TRACE
760					Debug( LDAP_DEBUG_ANY,
761						"==>backsql_get_attr_vals(\"%s\"): "
762						"column name %s: data is binary; "
763						"using database size %ld\n",
764						bsi->bsi_e->e_name.bv_val,
765						ad->ad_cname.bv_val,
766						row.value_len[ i ] );
767#endif /* BACKSQL_TRACE */
768					bv.bv_val = row.cols[ i ];
769					bv.bv_len = row.value_len[ i ];
770
771				} else {
772					ber_str2bv( row.cols[ i ], 0, 0, &bv );
773				}
774
775#ifdef BACKSQL_PRETTY_VALIDATE
776				if ( pretty ) {
777					struct berval	pbv;
778
779					retval = pretty( at->bam_true_ad->ad_type->sat_syntax,
780						&bv, &pbv, bsi->bsi_op->o_tmpmemctx );
781					bv = pbv;
782
783				} else {
784					retval = validate( at->bam_true_ad->ad_type->sat_syntax,
785						&bv );
786				}
787
788				if ( retval != LDAP_SUCCESS ) {
789					/* FIXME: we're ignoring invalid values,
790					 * but we're accepting the attributes;
791					 * should we fail at all? */
792					Debug(LDAP_DEBUG_TRACE,
793					      "==>backsql_get_attr_vals(\"%s\"): " "unable to %s value #%lu " "of AttributeDescription %s (%d)\n",
794					      bsi->bsi_e->e_name.bv_val,
795					      pretty ? "prettify" : "validate",
796					      k - oldcount,
797					      at->bam_ad->ad_cname.bv_val,
798					      retval );
799					continue;
800				}
801#endif /* BACKSQL_PRETTY_VALIDATE */
802
803#ifndef BACKSQL_COUNTQUERY
804				(void)backsql_entry_addattr( bsi->bsi_e,
805						at->bam_true_ad, &bv,
806						bsi->bsi_op->o_tmpmemctx );
807
808#else /* BACKSQL_COUNTQUERY */
809				if ( normfunc ) {
810					struct berval	nbv;
811
812					retval = (*normfunc)( SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
813						at->bam_true_ad->ad_type->sat_syntax,
814						at->bam_true_ad->ad_type->sat_equality,
815						&bv, &nbv,
816						bsi->bsi_op->o_tmpmemctx );
817
818					if ( retval != LDAP_SUCCESS ) {
819						/* FIXME: we're ignoring invalid values,
820						 * but we're accepting the attributes;
821						 * should we fail at all? */
822						Debug(LDAP_DEBUG_TRACE,
823						      "==>backsql_get_attr_vals(\"%s\"): " "unable to normalize value #%lu " "of AttributeDescription %s (%d)\n",
824						      bsi->bsi_e->e_name.bv_val,
825						      k - oldcount,
826						      at->bam_ad->ad_cname.bv_val,
827						      retval );
828
829#ifdef BACKSQL_PRETTY_VALIDATE
830						if ( pretty ) {
831							bsi->bsi_op->o_tmpfree( bv.bv_val,
832									bsi->bsi_op->o_tmpmemctx );
833						}
834#endif /* BACKSQL_PRETTY_VALIDATE */
835
836						continue;
837					}
838					ber_dupbv( &attr->a_nvals[ j ], &nbv );
839					bsi->bsi_op->o_tmpfree( nbv.bv_val,
840							bsi->bsi_op->o_tmpmemctx );
841				}
842
843				ber_dupbv( &attr->a_vals[ j ], &bv );
844
845				assert( j < oldcount + count );
846				j++;
847#endif /* BACKSQL_COUNTQUERY */
848
849#ifdef BACKSQL_PRETTY_VALIDATE
850				if ( pretty ) {
851					bsi->bsi_op->o_tmpfree( bv.bv_val,
852							bsi->bsi_op->o_tmpmemctx );
853				}
854#endif /* BACKSQL_PRETTY_VALIDATE */
855
856#ifdef BACKSQL_TRACE
857				Debug( LDAP_DEBUG_TRACE, "prec=%d\n",
858					(int)row.col_prec[ i ] );
859
860			} else {
861      				Debug( LDAP_DEBUG_TRACE, "NULL value "
862					"in this row for attribute \"%s\"\n",
863					row.col_names[ i ].bv_val );
864#endif /* BACKSQL_TRACE */
865			}
866		}
867	}
868
869#ifdef BACKSQL_COUNTQUERY
870	if ( BER_BVISNULL( &attr->a_vals[ 0 ] ) ) {
871		/* don't leave around attributes with no values */
872		attr_free( attr );
873
874	} else if ( append ) {
875		Attribute	**ap;
876
877		for ( ap = &bsi->bsi_e->e_attrs; (*ap) != NULL; ap = &(*ap)->a_next )
878			/* goto last */ ;
879		*ap =  attr;
880	}
881#endif /* BACKSQL_COUNTQUERY */
882
883	SQLFreeStmt( sth, SQL_DROP );
884	Debug( LDAP_DEBUG_TRACE, "<==backsql_get_attr_vals()\n" );
885
886	if ( at->bam_next ) {
887		res = backsql_get_attr_vals( at->bam_next, v_bsi );
888	} else {
889		res = 1;
890	}
891
892#ifdef BACKSQL_TRACE
893done:;
894#endif /* BACKSQL_TRACE */
895	backsql_FreeRow_x( &row, bsi->bsi_op->o_tmpmemctx );
896
897	return res;
898}
899
900int
901backsql_id2entry( backsql_srch_info *bsi, backsql_entryID *eid )
902{
903	Operation		*op = bsi->bsi_op;
904	backsql_info		*bi = (backsql_info *)op->o_bd->be_private;
905	int			i;
906	int			rc;
907
908	Debug( LDAP_DEBUG_TRACE, "==>backsql_id2entry()\n" );
909
910	assert( bsi->bsi_e != NULL );
911
912	memset( bsi->bsi_e, 0, sizeof( Entry ) );
913
914	if ( bi->sql_baseObject && BACKSQL_IS_BASEOBJECT_ID( &eid->eid_id ) ) {
915		(void)entry_dup2( bsi->bsi_e, bi->sql_baseObject );
916		goto done;
917	}
918
919	bsi->bsi_e->e_attrs = NULL;
920	bsi->bsi_e->e_private = NULL;
921
922	if ( eid->eid_oc == NULL ) {
923		eid->eid_oc = backsql_id2oc( bsi->bsi_op->o_bd->be_private,
924			eid->eid_oc_id );
925		if ( eid->eid_oc == NULL ) {
926			Debug( LDAP_DEBUG_TRACE,
927				"backsql_id2entry(): unable to fetch objectClass with id=" BACKSQL_IDNUMFMT " for entry id=" BACKSQL_IDFMT " dn=\"%s\"\n",
928				eid->eid_oc_id, BACKSQL_IDARG(eid->eid_id),
929				eid->eid_dn.bv_val );
930			return LDAP_OTHER;
931		}
932	}
933	bsi->bsi_oc = eid->eid_oc;
934	bsi->bsi_c_eid = eid;
935
936	ber_dupbv_x( &bsi->bsi_e->e_name, &eid->eid_dn, op->o_tmpmemctx );
937	ber_dupbv_x( &bsi->bsi_e->e_nname, &eid->eid_ndn, op->o_tmpmemctx );
938
939#ifndef BACKSQL_ARBITRARY_KEY
940	/* FIXME: unused */
941	bsi->bsi_e->e_id = eid->eid_id;
942#endif /* ! BACKSQL_ARBITRARY_KEY */
943
944	rc = attr_merge_normalize_one( bsi->bsi_e,
945			slap_schema.si_ad_objectClass,
946			&bsi->bsi_oc->bom_oc->soc_cname,
947			bsi->bsi_op->o_tmpmemctx );
948	if ( rc != LDAP_SUCCESS ) {
949		backsql_entry_clean( op, bsi->bsi_e );
950		return rc;
951	}
952
953	if ( bsi->bsi_attrs == NULL || ( bsi->bsi_flags & BSQL_SF_ALL_USER ) )
954	{
955		Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
956			"retrieving all attributes\n" );
957		ldap_avl_apply( bsi->bsi_oc->bom_attrs, backsql_get_attr_vals,
958				bsi, 0, AVL_INORDER );
959
960	} else {
961		Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
962			"custom attribute list\n" );
963		for ( i = 0; !BER_BVISNULL( &bsi->bsi_attrs[ i ].an_name ); i++ ) {
964			backsql_at_map_rec	**vat;
965			AttributeName		*an = &bsi->bsi_attrs[ i ];
966			int			j;
967
968			/* if one of the attributes listed here is
969			 * a subtype of another, it must be ignored,
970			 * because subtypes are already dealt with
971			 * by backsql_supad2at()
972			 */
973			for ( j = 0; !BER_BVISNULL( &bsi->bsi_attrs[ j ].an_name ); j++ ) {
974				/* skip self */
975				if ( j == i ) {
976					continue;
977				}
978
979				/* skip subtypes */
980				if ( is_at_subtype( an->an_desc->ad_type,
981							bsi->bsi_attrs[ j ].an_desc->ad_type ) )
982				{
983					goto next;
984				}
985			}
986
987			rc = backsql_supad2at( bsi->bsi_oc, an->an_desc, &vat );
988			if ( rc != 0 || vat == NULL ) {
989				Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
990						"attribute \"%s\" is not defined "
991						"for objectclass \"%s\"\n",
992						an->an_name.bv_val,
993						BACKSQL_OC_NAME( bsi->bsi_oc ) );
994				continue;
995			}
996
997			for ( j = 0; vat[j]; j++ ) {
998    				backsql_get_attr_vals( vat[j], bsi );
999			}
1000
1001			ch_free( vat );
1002
1003next:;
1004		}
1005	}
1006
1007	if ( bsi->bsi_flags & BSQL_SF_RETURN_ENTRYUUID ) {
1008		Attribute	*a_entryUUID,
1009				**ap;
1010
1011		a_entryUUID = backsql_operational_entryUUID( bi, eid );
1012		if ( a_entryUUID != NULL ) {
1013			for ( ap = &bsi->bsi_e->e_attrs;
1014					*ap;
1015					ap = &(*ap)->a_next );
1016
1017			*ap = a_entryUUID;
1018		}
1019	}
1020
1021	if ( ( bsi->bsi_flags & BSQL_SF_ALL_OPER )
1022			|| an_find( bsi->bsi_attrs, slap_bv_all_operational_attrs )
1023			|| an_find( bsi->bsi_attrs, &slap_schema.si_ad_structuralObjectClass->ad_cname ) )
1024	{
1025		ObjectClass	*soc = NULL;
1026
1027		if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
1028			Attribute	*a;
1029			const char	*text = NULL;
1030			char		textbuf[ 1024 ];
1031			size_t		textlen = sizeof( textbuf );
1032			struct berval	bv[ 2 ],
1033					*nvals;
1034			int		rc = LDAP_SUCCESS;
1035
1036			a = attr_find( bsi->bsi_e->e_attrs,
1037					slap_schema.si_ad_objectClass );
1038			if ( a != NULL ) {
1039				nvals = a->a_nvals;
1040
1041			} else {
1042				bv[ 0 ] = bsi->bsi_oc->bom_oc->soc_cname;
1043				BER_BVZERO( &bv[ 1 ] );
1044				nvals = bv;
1045			}
1046
1047			rc = structural_class( nvals, &soc, NULL,
1048					&text, textbuf, textlen, op->o_tmpmemctx );
1049			if ( rc != LDAP_SUCCESS ) {
1050      				Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(%s): "
1051					"structural_class() failed %d (%s)\n",
1052					bsi->bsi_e->e_name.bv_val,
1053					rc, text ? text : "" );
1054				backsql_entry_clean( op, bsi->bsi_e );
1055				return rc;
1056			}
1057
1058			if ( !bvmatch( &soc->soc_cname, &bsi->bsi_oc->bom_oc->soc_cname ) ) {
1059				if ( !is_object_subclass( bsi->bsi_oc->bom_oc, soc ) ) {
1060      					Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(%s): "
1061						"computed structuralObjectClass %s "
1062						"does not match objectClass %s associated "
1063						"to entry\n",
1064						bsi->bsi_e->e_name.bv_val, soc->soc_cname.bv_val,
1065						bsi->bsi_oc->bom_oc->soc_cname.bv_val );
1066					backsql_entry_clean( op, bsi->bsi_e );
1067					return rc;
1068				}
1069
1070      				Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(%s): "
1071					"computed structuralObjectClass %s "
1072					"is subclass of objectClass %s associated "
1073					"to entry\n",
1074					bsi->bsi_e->e_name.bv_val, soc->soc_cname.bv_val,
1075					bsi->bsi_oc->bom_oc->soc_cname.bv_val );
1076			}
1077
1078		} else {
1079			soc = bsi->bsi_oc->bom_oc;
1080		}
1081
1082		rc = attr_merge_normalize_one( bsi->bsi_e,
1083				slap_schema.si_ad_structuralObjectClass,
1084				&soc->soc_cname,
1085				bsi->bsi_op->o_tmpmemctx );
1086		if ( rc != LDAP_SUCCESS ) {
1087			backsql_entry_clean( op, bsi->bsi_e );
1088			return rc;
1089		}
1090	}
1091
1092done:;
1093	Debug( LDAP_DEBUG_TRACE, "<==backsql_id2entry()\n" );
1094
1095	return LDAP_SUCCESS;
1096}
1097
1098