xref: /netbsd-src/external/bsd/openldap/dist/servers/slapd/back-sql/entry-id.c (revision 549b59ed3ccf0d36d3097190a0db27b770f3a839)
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
40 struct berval backsql_baseObject_bv = BER_BVC( BACKSQL_BASEOBJECT_IDSTR );
41 #endif /* BACKSQL_ARBITRARY_KEY */
42 
43 backsql_entryID *
backsql_entryID_dup(backsql_entryID * src,void * ctx)44 backsql_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 
72 backsql_entryID *
backsql_free_entryID(backsql_entryID * id,int freeit,void * ctx)73 backsql_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  */
115 int
backsql_dn2id(Operation * op,SlapReply * rs,SQLHDBC dbh,struct berval * ndn,backsql_entryID * id,int matched,int muck)116 backsql_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 
367 done:;
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 
384 int
backsql_count_children(Operation * op,SQLHDBC dbh,struct berval * dn,unsigned long * nchildren)385 backsql_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 
487 int
backsql_has_children(Operation * op,SQLHDBC dbh,struct berval * dn)488 backsql_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 
505 static int
backsql_get_attr_vals(void * v_at,void * v_bsi)506 backsql_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
893 done:;
894 #endif /* BACKSQL_TRACE */
895 	backsql_FreeRow_x( &row, bsi->bsi_op->o_tmpmemctx );
896 
897 	return res;
898 }
899 
900 int
backsql_id2entry(backsql_srch_info * bsi,backsql_entryID * eid)901 backsql_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 
1003 next:;
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 
1092 done:;
1093 	Debug( LDAP_DEBUG_TRACE, "<==backsql_id2entry()\n" );
1094 
1095 	return LDAP_SUCCESS;
1096 }
1097 
1098