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Patrick Welche <prlw1@cam.ac.uk>
[netbsd-mini2440.git] / external / bsd / openldap / dist / servers / slapd / back-sql / schema-map.c
blobe92e936fcf85f80f49959cb100e9574f34b7139c
1 /* $OpenLDAP: pkg/ldap/servers/slapd/back-sql/schema-map.c,v 1.59.2.6 2008/02/11 23:26:48 kurt Exp $ */
2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3 *
4 * Copyright 1999-2008 The OpenLDAP Foundation.
5 * Portions Copyright 1999 Dmitry Kovalev.
6 * Portions Copyright 2002 Pierangelo Masarati.
7 * Portions Copyright 2004 Mark Adamson.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
12 * Public License.
13 *
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
17 */
18 /* ACKNOWLEDGEMENTS:
19 * This work was initially developed by Dmitry Kovalev for inclusion
20 * by OpenLDAP Software. Additional significant contributors include
21 * Pierangelo Masarati and Mark Adamson.
22 */
23
24 #include "portable.h"
25
26 #include <stdio.h>
27 #include <sys/types.h>
28 #include "ac/string.h"
29
30 #include "lutil.h"
31 #include "slap.h"
32 #include "proto-sql.h"
33
34 #define BACKSQL_DUPLICATE (-1)
35
36 /* NOTE: by default, cannot just compare pointers because
37 * objectClass/attributeType order would be machine-dependent
38 * (and tests would fail!); however, if you don't want to run
39 * tests, or see attributeTypes written in the same order
40 * they are defined, define */
41 /* #undef BACKSQL_USE_PTR_CMP */
42
43 /*
44 * Uses the pointer to the ObjectClass structure
45 */
46 static int
47 backsql_cmp_oc( const void *v_m1, const void *v_m2 )
48 {
49 const backsql_oc_map_rec *m1 = v_m1,
50 *m2 = v_m2;
51
52 #ifdef BACKSQL_USE_PTR_CMP
53 return SLAP_PTRCMP( m1->bom_oc, m2->bom_oc );
54 #else /* ! BACKSQL_USE_PTR_CMP */
55 return ber_bvcmp( &m1->bom_oc->soc_cname, &m2->bom_oc->soc_cname );
56 #endif /* ! BACKSQL_USE_PTR_CMP */
57 }
58
59 static int
60 backsql_cmp_oc_id( const void *v_m1, const void *v_m2 )
61 {
62 const backsql_oc_map_rec *m1 = v_m1,
63 *m2 = v_m2;
64
65 return ( m1->bom_id < m2->bom_id ? -1 : ( m1->bom_id > m2->bom_id ? 1 : 0 ) );
66 }
67
68 /*
69 * Uses the pointer to the AttributeDescription structure
70 */
71 static int
72 backsql_cmp_attr( const void *v_m1, const void *v_m2 )
73 {
74 const backsql_at_map_rec *m1 = v_m1,
75 *m2 = v_m2;
76
77 if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) {
78 #ifdef BACKSQL_USE_PTR_CMP
79 return SLAP_PTRCMP( m1->bam_ad->ad_type, m2->bam_ad->ad_type );
80 #else /* ! BACKSQL_USE_PTR_CMP */
81 return ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname );
82 #endif /* ! BACKSQL_USE_PTR_CMP */
83 }
84
85 #ifdef BACKSQL_USE_PTR_CMP
86 return SLAP_PTRCMP( m1->bam_ad, m2->bam_ad );
87 #else /* ! BACKSQL_USE_PTR_CMP */
88 return ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname );
89 #endif /* ! BACKSQL_USE_PTR_CMP */
90 }
91
92 int
93 backsql_dup_attr( void *v_m1, void *v_m2 )
94 {
95 backsql_at_map_rec *m1 = v_m1,
96 *m2 = v_m2;
97
98 if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) {
99 #ifdef BACKSQL_USE_PTR_CMP
100 assert( m1->bam_ad->ad_type == m2->bam_ad->ad_type );
101 #else /* ! BACKSQL_USE_PTR_CMP */
102 assert( ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname ) == 0 );
103 #endif /* ! BACKSQL_USE_PTR_CMP */
104
105 } else {
106 #ifdef BACKSQL_USE_PTR_CMP
107 assert( m1->bam_ad == m2->bam_ad );
108 #else /* ! BACKSQL_USE_PTR_CMP */
109 assert( ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname ) == 0 );
110 #endif /* ! BACKSQL_USE_PTR_CMP */
111 }
112
113 /* duplicate definitions of attributeTypes are appended;
114 * this allows to define multiple rules for the same
115 * attributeType. Use with care! */
116 for ( ; m1->bam_next ; m1 = m1->bam_next );
117
118 m1->bam_next = m2;
119 m2->bam_next = NULL;
120
121 return BACKSQL_DUPLICATE;
122 }
123
124 static int
125 backsql_make_attr_query(
126 backsql_info *bi,
127 backsql_oc_map_rec *oc_map,
128 backsql_at_map_rec *at_map )
129 {
130 struct berbuf bb = BB_NULL;
131
132 backsql_strfcat_x( &bb, NULL, "lblbbbblblbcbl",
133 (ber_len_t)STRLENOF( "SELECT " ), "SELECT ",
134 &at_map->bam_sel_expr,
135 (ber_len_t)STRLENOF( " " ), " ",
136 &bi->sql_aliasing,
137 &bi->sql_aliasing_quote,
138 &at_map->bam_ad->ad_cname,
139 &bi->sql_aliasing_quote,
140 (ber_len_t)STRLENOF( " FROM " ), " FROM ",
141 &at_map->bam_from_tbls,
142 (ber_len_t)STRLENOF( " WHERE " ), " WHERE ",
143 &oc_map->bom_keytbl,
144 '.',
145 &oc_map->bom_keycol,
146 (ber_len_t)STRLENOF( "=?" ), "=?" );
147
148 if ( !BER_BVISNULL( &at_map->bam_join_where ) ) {
149 backsql_strfcat_x( &bb, NULL, "lb",
150 (ber_len_t)STRLENOF( " AND " ), " AND ",
151 &at_map->bam_join_where );
152 }
153
154 backsql_strfcat_x( &bb, NULL, "lbbb",
155 (ber_len_t)STRLENOF( " ORDER BY " ), " ORDER BY ",
156 &bi->sql_aliasing_quote,
157 &at_map->bam_ad->ad_cname,
158 &bi->sql_aliasing_quote );
159
160 at_map->bam_query = bb.bb_val.bv_val;
161
162 #ifdef BACKSQL_COUNTQUERY
163 /* Query to count how many rows will be returned. */
164 BER_BVZERO( &bb.bb_val );
165 bb.bb_len = 0;
166 backsql_strfcat_x( &bb, NULL, "lblbcbl",
167 (ber_len_t)STRLENOF( "SELECT COUNT(*) FROM " ),
168 "SELECT COUNT(*) FROM ",
169 &at_map->bam_from_tbls,
170 (ber_len_t)STRLENOF( " WHERE " ), " WHERE ",
171 &oc_map->bom_keytbl,
172 '.',
173 &oc_map->bom_keycol,
174 (ber_len_t)STRLENOF( "=?" ), "=?" );
175
176 if ( !BER_BVISNULL( &at_map->bam_join_where ) ) {
177 backsql_strfcat_x( &bb, NULL, "lb",
178 (ber_len_t)STRLENOF( " AND " ), " AND ",
179 &at_map->bam_join_where );
180 }
181
182 at_map->bam_countquery = bb.bb_val.bv_val;
183 #endif /* BACKSQL_COUNTQUERY */
184
185 return 0;
186 }
187
188 static int
189 backsql_add_sysmaps( backsql_info *bi, backsql_oc_map_rec *oc_map )
190 {
191 backsql_at_map_rec *at_map;
192 char s[LDAP_PVT_INTTYPE_CHARS(long)];
193 struct berval sbv;
194 struct berbuf bb;
195
196 sbv.bv_val = s;
197 sbv.bv_len = snprintf( s, sizeof( s ), "%ld", oc_map->bom_id );
198
199 /* extra objectClasses */
200 at_map = (backsql_at_map_rec *)ch_calloc(1,
201 sizeof( backsql_at_map_rec ) );
202 at_map->bam_ad = slap_schema.si_ad_objectClass;
203 at_map->bam_true_ad = slap_schema.si_ad_objectClass;
204 ber_str2bv( "ldap_entry_objclasses.oc_name", 0, 1,
205 &at_map->bam_sel_expr );
206 ber_str2bv( "ldap_entry_objclasses,ldap_entries", 0, 1,
207 &at_map->bam_from_tbls );
208
209 bb.bb_len = at_map->bam_from_tbls.bv_len + 1;
210 bb.bb_val = at_map->bam_from_tbls;
211 backsql_merge_from_clause( bi, &bb, &oc_map->bom_keytbl );
212 at_map->bam_from_tbls = bb.bb_val;
213
214 BER_BVZERO( &bb.bb_val );
215 bb.bb_len = 0;
216 backsql_strfcat_x( &bb, NULL, "lbcblb",
217 (ber_len_t)STRLENOF( "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=" ),
218 "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=",
219 &oc_map->bom_keytbl,
220 '.',
221 &oc_map->bom_keycol,
222 (ber_len_t)STRLENOF( " and ldap_entries.oc_map_id=" ),
223 " and ldap_entries.oc_map_id=",
224 &sbv );
225 at_map->bam_join_where = bb.bb_val;
226
227 at_map->bam_oc = oc_map->bom_oc;
228
229 at_map->bam_add_proc = NULL;
230 {
231 char tmp[STRLENOF("INSERT INTO ldap_entry_objclasses "
232 "(entry_id,oc_name) VALUES "
233 "((SELECT id FROM ldap_entries "
234 "WHERE oc_map_id= "
235 "AND keyval=?),?)") + LDAP_PVT_INTTYPE_CHARS(unsigned long)];
236 snprintf( tmp, sizeof(tmp),
237 "INSERT INTO ldap_entry_objclasses "
238 "(entry_id,oc_name) VALUES "
239 "((SELECT id FROM ldap_entries "
240 "WHERE oc_map_id=%lu "
241 "AND keyval=?),?)", oc_map->bom_id );
242 at_map->bam_add_proc = ch_strdup( tmp );
243 }
244
245 at_map->bam_delete_proc = NULL;
246 {
247 char tmp[STRLENOF("DELETE FROM ldap_entry_objclasses "
248 "WHERE entry_id=(SELECT id FROM ldap_entries "
249 "WHERE oc_map_id= "
250 "AND keyval=?) AND oc_name=?") + LDAP_PVT_INTTYPE_CHARS(unsigned long)];
251 snprintf( tmp, sizeof(tmp),
252 "DELETE FROM ldap_entry_objclasses "
253 "WHERE entry_id=(SELECT id FROM ldap_entries "
254 "WHERE oc_map_id=%lu "
255 "AND keyval=?) AND oc_name=?",
256 oc_map->bom_id );
257 at_map->bam_delete_proc = ch_strdup( tmp );
258 }
259
260 at_map->bam_param_order = 0;
261 at_map->bam_expect_return = 0;
262 at_map->bam_next = NULL;
263
264 backsql_make_attr_query( bi, oc_map, at_map );
265 if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) {
266 Debug( LDAP_DEBUG_TRACE, "backsql_add_sysmaps(): "
267 "duplicate attribute \"%s\" in objectClass \"%s\" map\n",
268 at_map->bam_ad->ad_cname.bv_val,
269 oc_map->bom_oc->soc_cname.bv_val, 0 );
270 }
271
272 /* FIXME: we need to correct the objectClass join_where
273 * after the attribute query is built */
274 ch_free( at_map->bam_join_where.bv_val );
275 BER_BVZERO( &bb.bb_val );
276 bb.bb_len = 0;
277 backsql_strfcat_x( &bb, NULL, "lbcblb",
278 (ber_len_t)STRLENOF( /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=" ),
279 /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=",
280 &oc_map->bom_keytbl,
281 '.',
282 &oc_map->bom_keycol,
283 (ber_len_t)STRLENOF( " AND ldap_entries.oc_map_id=" ),
284 " AND ldap_entries.oc_map_id=",
285 &sbv );
286 at_map->bam_join_where = bb.bb_val;
287
288 return 1;
289 }
290
291 struct backsql_attr_schema_info {
292 backsql_info *bas_bi;
293 SQLHDBC bas_dbh;
294 SQLHSTMT bas_sth;
295 unsigned long *bas_oc_id;
296 int bas_rc;
297 };
298
299 static int
300 backsql_oc_get_attr_mapping( void *v_oc, void *v_bas )
301 {
302 RETCODE rc;
303 BACKSQL_ROW_NTS at_row;
304 backsql_oc_map_rec *oc_map = (backsql_oc_map_rec *)v_oc;
305 backsql_at_map_rec *at_map;
306 struct backsql_attr_schema_info *bas = (struct backsql_attr_schema_info *)v_bas;
307
308 /* bas->bas_oc_id has been bound to bas->bas_sth */
309 *bas->bas_oc_id = oc_map->bom_id;
310
311 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
312 "executing at_query\n"
313 " \"%s\"\n"
314 " for objectClass \"%s\"\n"
315 " with param oc_id=\"%lu\"\n",
316 bas->bas_bi->sql_at_query,
317 BACKSQL_OC_NAME( oc_map ),
318 *bas->bas_oc_id );
319
320 rc = SQLExecute( bas->bas_sth );
321 if ( rc != SQL_SUCCESS ) {
322 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
323 "error executing at_query\n"
324 " \"%s\"\n"
325 " for objectClass \"%s\"\n"
326 " with param oc_id=\"%lu\"\n",
327 bas->bas_bi->sql_at_query,
328 BACKSQL_OC_NAME( oc_map ),
329 *bas->bas_oc_id );
330 backsql_PrintErrors( bas->bas_bi->sql_db_env,
331 bas->bas_dbh, bas->bas_sth, rc );
332 bas->bas_rc = LDAP_OTHER;
333 return BACKSQL_AVL_STOP;
334 }
335
336 backsql_BindRowAsStrings( bas->bas_sth, &at_row );
337 for ( ; rc = SQLFetch( bas->bas_sth ), BACKSQL_SUCCESS( rc ); ) {
338 const char *text = NULL;
339 struct berval bv;
340 struct berbuf bb = BB_NULL;
341 AttributeDescription *ad = NULL;
342
343 Debug( LDAP_DEBUG_TRACE,
344 "attributeType:\n"
345 "\tname=\"%s\"\n"
346 "\tsel_expr=\"%s\"\n"
347 "\tfrom=\"%s\"\n",
348 at_row.cols[ 0 ], at_row.cols[ 1 ],
349 at_row.cols[ 2 ] );
350 Debug( LDAP_DEBUG_TRACE,
351 "\tjoin_where=\"%s\"\n"
352 "\tadd_proc=\"%s\"\n"
353 "\tdelete_proc=\"%s\"\n",
354 at_row.cols[ 3 ], at_row.cols[ 4 ],
355 at_row.cols[ 5 ]);
356 /* TimesTen */
357 Debug( LDAP_DEBUG_TRACE, "\tsel_expr_u=\"%s\"\n",
358 at_row.cols[ 8 ], 0, 0 );
359 rc = slap_str2ad( at_row.cols[ 0 ], &ad, &text );
360 if ( rc != LDAP_SUCCESS ) {
361 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
362 "attribute \"%s\" for objectClass \"%s\" "
363 "is not defined in schema: %s\n",
364 at_row.cols[ 0 ],
365 BACKSQL_OC_NAME( oc_map ), text );
366 bas->bas_rc = LDAP_CONSTRAINT_VIOLATION;
367 return BACKSQL_AVL_STOP;
368 }
369 at_map = (backsql_at_map_rec *)ch_calloc( 1,
370 sizeof( backsql_at_map_rec ) );
371 at_map->bam_ad = ad;
372 at_map->bam_true_ad = ad;
373 if ( slap_syntax_is_binary( ad->ad_type->sat_syntax )
374 && !slap_ad_is_binary( ad ) )
375 {
376 char buf[ BUFSIZ ];
377 struct berval bv;
378 const char *text = NULL;
379
380 bv.bv_val = buf;
381 bv.bv_len = snprintf( buf, sizeof( buf ), "%s;binary",
382 ad->ad_cname.bv_val );
383 at_map->bam_true_ad = NULL;
384 bas->bas_rc = slap_bv2ad( &bv, &at_map->bam_true_ad, &text );
385 if ( bas->bas_rc != LDAP_SUCCESS ) {
386 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
387 "unable to fetch attribute \"%s\": %s (%d)\n",
388 buf, text, rc );
389 return BACKSQL_AVL_STOP;
390 }
391 }
392
393 ber_str2bv( at_row.cols[ 1 ], 0, 1, &at_map->bam_sel_expr );
394 if ( at_row.value_len[ 8 ] <= 0 ) {
395 BER_BVZERO( &at_map->bam_sel_expr_u );
396
397 } else {
398 ber_str2bv( at_row.cols[ 8 ], 0, 1,
399 &at_map->bam_sel_expr_u );
400 }
401
402 ber_str2bv( at_row.cols[ 2 ], 0, 0, &bv );
403 backsql_merge_from_clause( bas->bas_bi, &bb, &bv );
404 at_map->bam_from_tbls = bb.bb_val;
405 if ( at_row.value_len[ 3 ] <= 0 ) {
406 BER_BVZERO( &at_map->bam_join_where );
407
408 } else {
409 ber_str2bv( at_row.cols[ 3 ], 0, 1,
410 &at_map->bam_join_where );
411 }
412 at_map->bam_add_proc = NULL;
413 if ( at_row.value_len[ 4 ] > 0 ) {
414 at_map->bam_add_proc = ch_strdup( at_row.cols[4] );
415 }
416 at_map->bam_delete_proc = NULL;
417 if ( at_row.value_len[ 5 ] > 0 ) {
418 at_map->bam_delete_proc = ch_strdup( at_row.cols[ 5 ] );
419 }
420 if ( lutil_atoix( &at_map->bam_param_order, at_row.cols[ 6 ], 0 ) != 0 ) {
421 /* error */
422 }
423 if ( lutil_atoix( &at_map->bam_expect_return, at_row.cols[ 7 ], 0 ) != 0 ) {
424 /* error */
425 }
426 backsql_make_attr_query( bas->bas_bi, oc_map, at_map );
427 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
428 "preconstructed query \"%s\"\n",
429 at_map->bam_query, 0, 0 );
430 at_map->bam_next = NULL;
431 if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) {
432 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
433 "duplicate attribute \"%s\" "
434 "in objectClass \"%s\" map\n",
435 at_map->bam_ad->ad_cname.bv_val,
436 oc_map->bom_oc->soc_cname.bv_val, 0 );
437 }
438
439 if ( !BER_BVISNULL( &bas->bas_bi->sql_upper_func ) &&
440 BER_BVISNULL( &at_map->bam_sel_expr_u ) )
441 {
442 struct berbuf bb = BB_NULL;
443
444 backsql_strfcat_x( &bb, NULL, "bcbc",
445 &bas->bas_bi->sql_upper_func,
446 '(' /* ) */ ,
447 &at_map->bam_sel_expr,
448 /* ( */ ')' );
449 at_map->bam_sel_expr_u = bb.bb_val;
450 }
451 }
452 backsql_FreeRow( &at_row );
453 SQLFreeStmt( bas->bas_sth, SQL_CLOSE );
454
455 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(\"%s\"): "
456 "autoadding 'objectClass' and 'ref' mappings\n",
457 BACKSQL_OC_NAME( oc_map ), 0, 0 );
458
459 (void)backsql_add_sysmaps( bas->bas_bi, oc_map );
460
461 return BACKSQL_AVL_CONTINUE;
462 }
463
464
465 int
466 backsql_load_schema_map( backsql_info *bi, SQLHDBC dbh )
467 {
468 SQLHSTMT sth = SQL_NULL_HSTMT;
469 RETCODE rc;
470 BACKSQL_ROW_NTS oc_row;
471 unsigned long oc_id;
472 backsql_oc_map_rec *oc_map;
473 struct backsql_attr_schema_info bas;
474
475 Debug( LDAP_DEBUG_TRACE, "==>backsql_load_schema_map()\n", 0, 0, 0 );
476
477 /*
478 * TimesTen : See if the ldap_entries.dn_ru field exists in the schema
479 */
480 if ( !BACKSQL_DONTCHECK_LDAPINFO_DN_RU( bi ) ) {
481 rc = backsql_Prepare( dbh, &sth,
482 backsql_check_dn_ru_query, 0 );
483 if ( rc == SQL_SUCCESS ) {
484 /* Yes, the field exists */
485 bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU;
486 Debug( LDAP_DEBUG_TRACE, "ldapinfo.dn_ru field exists "
487 "in the schema\n", 0, 0, 0 );
488 } else {
489 /* No such field exists */
490 bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU;
491 }
492
493 SQLFreeStmt( sth, SQL_DROP );
494 }
495
496 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): oc_query \"%s\"\n",
497 bi->sql_oc_query, 0, 0 );
498
499 rc = backsql_Prepare( dbh, &sth, bi->sql_oc_query, 0 );
500 if ( rc != SQL_SUCCESS ) {
501 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
502 "error preparing oc_query: \"%s\"\n",
503 bi->sql_oc_query, 0, 0 );
504 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
505 return LDAP_OTHER;
506 }
507
508 rc = SQLExecute( sth );
509 if ( rc != SQL_SUCCESS ) {
510 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
511 "error executing oc_query: \n", 0, 0, 0 );
512 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
513 return LDAP_OTHER;
514 }
515
516 backsql_BindRowAsStrings( sth, &oc_row );
517 rc = SQLFetch( sth );
518 for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) {
519 int colnum;
520
521 oc_map = (backsql_oc_map_rec *)ch_calloc( 1,
522 sizeof( backsql_oc_map_rec ) );
523
524 if ( lutil_atoulx( &oc_map->bom_id, oc_row.cols[ 0 ], 0 ) != 0 ) {
525 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
526 "unable to parse id=\"%s\"\n",
527 oc_row.cols[ 0 ], 0, 0 );
528 return LDAP_OTHER;
529 }
530
531 oc_map->bom_oc = oc_find( oc_row.cols[ 1 ] );
532 if ( oc_map->bom_oc == NULL ) {
533 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
534 "objectClass \"%s\" is not defined in schema\n",
535 oc_row.cols[ 1 ], 0, 0 );
536 return LDAP_OTHER; /* undefined objectClass ? */
537 }
538
539 ber_str2bv( oc_row.cols[ 2 ], 0, 1, &oc_map->bom_keytbl );
540 ber_str2bv( oc_row.cols[ 3 ], 0, 1, &oc_map->bom_keycol );
541 oc_map->bom_create_proc = ( oc_row.value_len[ 4 ] <= 0 ) ? NULL
542 : ch_strdup( oc_row.cols[ 4 ] );
543
544 colnum = 5;
545 if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
546 colnum = 6;
547 oc_map->bom_create_keyval = ( oc_row.value_len[ 5 ] <= 0 )
548 ? NULL : ch_strdup( oc_row.cols[ 5 ] );
549 }
550 oc_map->bom_delete_proc = ( oc_row.value_len[ colnum ] <= 0 ) ? NULL
551 : ch_strdup( oc_row.cols[ colnum ] );
552 if ( lutil_atoix( &oc_map->bom_expect_return, oc_row.cols[ colnum + 1 ], 0 ) != 0 ) {
553 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
554 "unable to parse expect_return=\"%s\" for objectClass \"%s\"\n",
555 oc_row.cols[ colnum + 1 ], oc_row.cols[ 1 ], 0 );
556 return LDAP_OTHER;
557 }
558
559 colnum += 2;
560 if ( ( oc_row.ncols > colnum ) &&
561 ( oc_row.value_len[ colnum ] > 0 ) )
562 {
563 const char *text;
564
565 oc_map->bom_create_hint = NULL;
566 rc = slap_str2ad( oc_row.cols[ colnum ],
567 &oc_map->bom_create_hint, &text );
568 if ( rc != SQL_SUCCESS ) {
569 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
570 "error matching "
571 "AttributeDescription %s "
572 "in create_hint: %s (%d)\n",
573 oc_row.cols[ colnum ],
574 text, rc );
575 backsql_PrintErrors( bi->sql_db_env, dbh,
576 sth, rc );
577 return LDAP_OTHER;
578 }
579 }
580
581 /*
582 * FIXME: first attempt to check for offending
583 * instructions in {create|delete}_proc
584 */
585
586 oc_map->bom_attrs = NULL;
587 if ( avl_insert( &bi->sql_oc_by_oc, oc_map, backsql_cmp_oc, avl_dup_error ) == -1 ) {
588 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
589 "duplicate objectClass \"%s\" in objectClass map\n",
590 oc_map->bom_oc->soc_cname.bv_val, 0, 0 );
591 return LDAP_OTHER;
592 }
593 if ( avl_insert( &bi->sql_oc_by_id, oc_map, backsql_cmp_oc_id, avl_dup_error ) == -1 ) {
594 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
595 "duplicate objectClass \"%s\" in objectClass by ID map\n",
596 oc_map->bom_oc->soc_cname.bv_val, 0, 0 );
597 return LDAP_OTHER;
598 }
599 oc_id = oc_map->bom_id;
600 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
601 "objectClass \"%s\":\n keytbl=\"%s\" keycol=\"%s\"\n",
602 BACKSQL_OC_NAME( oc_map ),
603 oc_map->bom_keytbl.bv_val, oc_map->bom_keycol.bv_val );
604 if ( oc_map->bom_create_proc ) {
605 Debug( LDAP_DEBUG_TRACE, " create_proc=\"%s\"\n",
606 oc_map->bom_create_proc, 0, 0 );
607 }
608 if ( oc_map->bom_create_keyval ) {
609 Debug( LDAP_DEBUG_TRACE, " create_keyval=\"%s\"\n",
610 oc_map->bom_create_keyval, 0, 0 );
611 }
612 if ( oc_map->bom_create_hint ) {
613 Debug( LDAP_DEBUG_TRACE, " create_hint=\"%s\"\n",
614 oc_map->bom_create_hint->ad_cname.bv_val,
615 0, 0 );
616 }
617 if ( oc_map->bom_delete_proc ) {
618 Debug( LDAP_DEBUG_TRACE, " delete_proc=\"%s\"\n",
619 oc_map->bom_delete_proc, 0, 0 );
620 }
621 Debug( LDAP_DEBUG_TRACE, " expect_return: "
622 "add=%d, del=%d; attributes:\n",
623 BACKSQL_IS_ADD( oc_map->bom_expect_return ),
624 BACKSQL_IS_DEL( oc_map->bom_expect_return ), 0 );
625 }
626
627 backsql_FreeRow( &oc_row );
628 SQLFreeStmt( sth, SQL_DROP );
629
630 /* prepare for attribute fetching */
631 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): at_query \"%s\"\n",
632 bi->sql_at_query, 0, 0 );
633
634 rc = backsql_Prepare( dbh, &sth, bi->sql_at_query, 0 );
635 if ( rc != SQL_SUCCESS ) {
636 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
637 "error preparing at_query: \"%s\"\n",
638 bi->sql_at_query, 0, 0 );
639 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
640 return LDAP_OTHER;
641 }
642
643 rc = backsql_BindParamInt( sth, 1, SQL_PARAM_INPUT, &oc_id );
644 if ( rc != SQL_SUCCESS ) {
645 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
646 "error binding param \"oc_id\" for at_query\n", 0, 0, 0 );
647 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
648 SQLFreeStmt( sth, SQL_DROP );
649 return LDAP_OTHER;
650 }
651
652 bas.bas_bi = bi;
653 bas.bas_dbh = dbh;
654 bas.bas_sth = sth;
655 bas.bas_oc_id = &oc_id;
656 bas.bas_rc = LDAP_SUCCESS;
657
658 (void)avl_apply( bi->sql_oc_by_oc, backsql_oc_get_attr_mapping,
659 &bas, BACKSQL_AVL_STOP, AVL_INORDER );
660
661 SQLFreeStmt( sth, SQL_DROP );
662
663 bi->sql_flags |= BSQLF_SCHEMA_LOADED;
664
665 Debug( LDAP_DEBUG_TRACE, "<==backsql_load_schema_map()\n", 0, 0, 0 );
666
667 return bas.bas_rc;
668 }
669
670 backsql_oc_map_rec *
671 backsql_oc2oc( backsql_info *bi, ObjectClass *oc )
672 {
673 backsql_oc_map_rec tmp, *res;
674
675 #ifdef BACKSQL_TRACE
676 Debug( LDAP_DEBUG_TRACE, "==>backsql_oc2oc(): "
677 "searching for objectclass with name=\"%s\"\n",
678 oc->soc_cname.bv_val, 0, 0 );
679 #endif /* BACKSQL_TRACE */
680
681 tmp.bom_oc = oc;
682 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc );
683 #ifdef BACKSQL_TRACE
684 if ( res != NULL ) {
685 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
686 "found name=\"%s\", id=%d\n",
687 BACKSQL_OC_NAME( res ), res->bom_id, 0 );
688 } else {
689 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
690 "not found\n", 0, 0, 0 );
691 }
692 #endif /* BACKSQL_TRACE */
693
694 return res;
695 }
696
697 backsql_oc_map_rec *
698 backsql_name2oc( backsql_info *bi, struct berval *oc_name )
699 {
700 backsql_oc_map_rec tmp, *res;
701
702 #ifdef BACKSQL_TRACE
703 Debug( LDAP_DEBUG_TRACE, "==>oc_with_name(): "
704 "searching for objectclass with name=\"%s\"\n",
705 oc_name->bv_val, 0, 0 );
706 #endif /* BACKSQL_TRACE */
707
708 tmp.bom_oc = oc_bvfind( oc_name );
709 if ( tmp.bom_oc == NULL ) {
710 return NULL;
711 }
712
713 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc );
714 #ifdef BACKSQL_TRACE
715 if ( res != NULL ) {
716 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
717 "found name=\"%s\", id=%d\n",
718 BACKSQL_OC_NAME( res ), res->bom_id, 0 );
719 } else {
720 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
721 "not found\n", 0, 0, 0 );
722 }
723 #endif /* BACKSQL_TRACE */
724
725 return res;
726 }
727
728 backsql_oc_map_rec *
729 backsql_id2oc( backsql_info *bi, unsigned long id )
730 {
731 backsql_oc_map_rec tmp, *res;
732
733 #ifdef BACKSQL_TRACE
734 Debug( LDAP_DEBUG_TRACE, "==>oc_with_id(): "
735 "searching for objectclass with id='%d'\n", id, 0, 0 );
736 #endif /* BACKSQL_TRACE */
737
738 tmp.bom_id = id;
739 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_id, &tmp,
740 backsql_cmp_oc_id );
741
742 #ifdef BACKSQL_TRACE
743 if ( res != NULL ) {
744 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
745 "found name=\"%s\", id=%d\n",
746 BACKSQL_OC_NAME( res ), res->bom_id, 0 );
747 } else {
748 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
749 "not found\n", 0, 0, 0 );
750 }
751 #endif /* BACKSQL_TRACE */
752
753 return res;
754 }
755
756 backsql_at_map_rec *
757 backsql_ad2at( backsql_oc_map_rec* objclass, AttributeDescription *ad )
758 {
759 backsql_at_map_rec tmp = { 0 }, *res;
760
761 #ifdef BACKSQL_TRACE
762 Debug( LDAP_DEBUG_TRACE, "==>backsql_ad2at(): "
763 "searching for attribute \"%s\" for objectclass \"%s\"\n",
764 ad->ad_cname.bv_val, BACKSQL_OC_NAME( objclass ), 0 );
765 #endif /* BACKSQL_TRACE */
766
767 tmp.bam_ad = ad;
768 res = (backsql_at_map_rec *)avl_find( objclass->bom_attrs, &tmp,
769 backsql_cmp_attr );
770
771 #ifdef BACKSQL_TRACE
772 if ( res != NULL ) {
773 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
774 "found name=\"%s\", sel_expr=\"%s\"\n",
775 res->bam_ad->ad_cname.bv_val,
776 res->bam_sel_expr.bv_val, 0 );
777 } else {
778 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
779 "not found\n", 0, 0, 0 );
780 }
781 #endif /* BACKSQL_TRACE */
782
783 return res;
784 }
785
786 /* attributeType inheritance */
787 struct supad2at_t {
788 backsql_at_map_rec **ret;
789 AttributeDescription *ad;
790 unsigned n;
791 };
792
793 #define SUPAD2AT_STOP (-1)
794
795 static int
796 supad2at_f( void *v_at, void *v_arg )
797 {
798 backsql_at_map_rec *at = (backsql_at_map_rec *)v_at;
799 struct supad2at_t *va = (struct supad2at_t *)v_arg;
800
801 if ( is_at_subtype( at->bam_ad->ad_type, va->ad->ad_type ) ) {
802 backsql_at_map_rec **ret = NULL;
803 unsigned i;
804
805 /* if already listed, holler! (should never happen) */
806 if ( va->ret ) {
807 for ( i = 0; i < va->n; i++ ) {
808 if ( va->ret[ i ]->bam_ad == at->bam_ad ) {
809 break;
810 }
811 }
812
813 if ( i < va->n ) {
814 return 0;
815 }
816 }
817
818 ret = ch_realloc( va->ret,
819 sizeof( backsql_at_map_rec * ) * ( va->n + 2 ) );
820 if ( ret == NULL ) {
821 ch_free( va->ret );
822 va->ret = NULL;
823 va->n = 0;
824 return SUPAD2AT_STOP;
825 }
826
827 ret[ va->n ] = at;
828 va->n++;
829 ret[ va->n ] = NULL;
830 va->ret = ret;
831 }
832
833 return 0;
834 }
835
836 /*
837 * stores in *pret a NULL terminated array of pointers
838 * to backsql_at_map_rec whose attributeType is supad->ad_type
839 * or derived from it
840 */
841 int
842 backsql_supad2at( backsql_oc_map_rec *objclass, AttributeDescription *supad,
843 backsql_at_map_rec ***pret )
844 {
845 struct supad2at_t va = { 0 };
846 int rc;
847
848 assert( objclass != NULL );
849 assert( supad != NULL );
850 assert( pret != NULL );
851
852 *pret = NULL;
853
854 va.ad = supad;
855
856 rc = avl_apply( objclass->bom_attrs, supad2at_f, &va,
857 SUPAD2AT_STOP, AVL_INORDER );
858 if ( rc == SUPAD2AT_STOP ) {
859 return -1;
860 }
861
862 *pret = va.ret;
863
864 return 0;
865 }
866
867 static void
868 backsql_free_attr( void *v_at )
869 {
870 backsql_at_map_rec *at = v_at;
871
872 Debug( LDAP_DEBUG_TRACE, "==>free_attr(): \"%s\"\n",
873 at->bam_ad->ad_cname.bv_val, 0, 0 );
874 ch_free( at->bam_sel_expr.bv_val );
875 if ( !BER_BVISNULL( &at->bam_from_tbls ) ) {
876 ch_free( at->bam_from_tbls.bv_val );
877 }
878 if ( !BER_BVISNULL( &at->bam_join_where ) ) {
879 ch_free( at->bam_join_where.bv_val );
880 }
881 if ( at->bam_add_proc != NULL ) {
882 ch_free( at->bam_add_proc );
883 }
884 if ( at->bam_delete_proc != NULL ) {
885 ch_free( at->bam_delete_proc );
886 }
887 if ( at->bam_query != NULL ) {
888 ch_free( at->bam_query );
889 }
890
891 #ifdef BACKSQL_COUNTQUERY
892 if ( at->bam_countquery != NULL ) {
893 ch_free( at->bam_countquery );
894 }
895 #endif /* BACKSQL_COUNTQUERY */
896
897 /* TimesTen */
898 if ( !BER_BVISNULL( &at->bam_sel_expr_u ) ) {
899 ch_free( at->bam_sel_expr_u.bv_val );
900 }
901
902 if ( at->bam_next ) {
903 backsql_free_attr( at->bam_next );
904 }
905
906 ch_free( at );
907
908 Debug( LDAP_DEBUG_TRACE, "<==free_attr()\n", 0, 0, 0 );
909 }
910
911 static void
912 backsql_free_oc( void *v_oc )
913 {
914 backsql_oc_map_rec *oc = v_oc;
915
916 Debug( LDAP_DEBUG_TRACE, "==>free_oc(): \"%s\"\n",
917 BACKSQL_OC_NAME( oc ), 0, 0 );
918 avl_free( oc->bom_attrs, backsql_free_attr );
919 ch_free( oc->bom_keytbl.bv_val );
920 ch_free( oc->bom_keycol.bv_val );
921 if ( oc->bom_create_proc != NULL ) {
922 ch_free( oc->bom_create_proc );
923 }
924 if ( oc->bom_create_keyval != NULL ) {
925 ch_free( oc->bom_create_keyval );
926 }
927 if ( oc->bom_delete_proc != NULL ) {
928 ch_free( oc->bom_delete_proc );
929 }
930 ch_free( oc );
931
932 Debug( LDAP_DEBUG_TRACE, "<==free_oc()\n", 0, 0, 0 );
933 }
934
935 int
936 backsql_destroy_schema_map( backsql_info *bi )
937 {
938 Debug( LDAP_DEBUG_TRACE, "==>destroy_schema_map()\n", 0, 0, 0 );
939 avl_free( bi->sql_oc_by_oc, 0 );
940 avl_free( bi->sql_oc_by_id, backsql_free_oc );
941 Debug( LDAP_DEBUG_TRACE, "<==destroy_schema_map()\n", 0, 0, 0 );
942 return 0;
943 }
944
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