1 /* $NetBSD: schema-map.c,v 1.1.1.2 2010/03/08 02:14:20 lukem Exp $ */ 2 3 /* OpenLDAP: pkg/ldap/servers/slapd/back-sql/schema-map.c,v 1.59.2.9 2009/01/22 00:01:11 kurt Exp */ 4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 5 * 6 * Copyright 1999-2009 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 "portable.h" 27 28 #include <stdio.h> 29 #include <sys/types.h> 30 #include "ac/string.h" 31 32 #include "lutil.h" 33 #include "slap.h" 34 #include "proto-sql.h" 35 36 #define BACKSQL_DUPLICATE (-1) 37 38 /* NOTE: by default, cannot just compare pointers because 39 * objectClass/attributeType order would be machine-dependent 40 * (and tests would fail!); however, if you don't want to run 41 * tests, or see attributeTypes written in the same order 42 * they are defined, define */ 43 /* #undef BACKSQL_USE_PTR_CMP */ 44 45 /* 46 * Uses the pointer to the ObjectClass structure 47 */ 48 static int 49 backsql_cmp_oc( const void *v_m1, const void *v_m2 ) 50 { 51 const backsql_oc_map_rec *m1 = v_m1, 52 *m2 = v_m2; 53 54 #ifdef BACKSQL_USE_PTR_CMP 55 return SLAP_PTRCMP( m1->bom_oc, m2->bom_oc ); 56 #else /* ! BACKSQL_USE_PTR_CMP */ 57 return ber_bvcmp( &m1->bom_oc->soc_cname, &m2->bom_oc->soc_cname ); 58 #endif /* ! BACKSQL_USE_PTR_CMP */ 59 } 60 61 static int 62 backsql_cmp_oc_id( const void *v_m1, const void *v_m2 ) 63 { 64 const backsql_oc_map_rec *m1 = v_m1, 65 *m2 = v_m2; 66 67 return ( m1->bom_id < m2->bom_id ? -1 : ( m1->bom_id > m2->bom_id ? 1 : 0 ) ); 68 } 69 70 /* 71 * Uses the pointer to the AttributeDescription structure 72 */ 73 static int 74 backsql_cmp_attr( const void *v_m1, const void *v_m2 ) 75 { 76 const backsql_at_map_rec *m1 = v_m1, 77 *m2 = v_m2; 78 79 if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) { 80 #ifdef BACKSQL_USE_PTR_CMP 81 return SLAP_PTRCMP( m1->bam_ad->ad_type, m2->bam_ad->ad_type ); 82 #else /* ! BACKSQL_USE_PTR_CMP */ 83 return ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname ); 84 #endif /* ! BACKSQL_USE_PTR_CMP */ 85 } 86 87 #ifdef BACKSQL_USE_PTR_CMP 88 return SLAP_PTRCMP( m1->bam_ad, m2->bam_ad ); 89 #else /* ! BACKSQL_USE_PTR_CMP */ 90 return ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname ); 91 #endif /* ! BACKSQL_USE_PTR_CMP */ 92 } 93 94 int 95 backsql_dup_attr( void *v_m1, void *v_m2 ) 96 { 97 backsql_at_map_rec *m1 = v_m1, 98 *m2 = v_m2; 99 100 if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) { 101 #ifdef BACKSQL_USE_PTR_CMP 102 assert( m1->bam_ad->ad_type == m2->bam_ad->ad_type ); 103 #else /* ! BACKSQL_USE_PTR_CMP */ 104 assert( ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname ) == 0 ); 105 #endif /* ! BACKSQL_USE_PTR_CMP */ 106 107 } else { 108 #ifdef BACKSQL_USE_PTR_CMP 109 assert( m1->bam_ad == m2->bam_ad ); 110 #else /* ! BACKSQL_USE_PTR_CMP */ 111 assert( ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname ) == 0 ); 112 #endif /* ! BACKSQL_USE_PTR_CMP */ 113 } 114 115 /* duplicate definitions of attributeTypes are appended; 116 * this allows to define multiple rules for the same 117 * attributeType. Use with care! */ 118 for ( ; m1->bam_next ; m1 = m1->bam_next ); 119 120 m1->bam_next = m2; 121 m2->bam_next = NULL; 122 123 return BACKSQL_DUPLICATE; 124 } 125 126 static int 127 backsql_make_attr_query( 128 backsql_info *bi, 129 backsql_oc_map_rec *oc_map, 130 backsql_at_map_rec *at_map ) 131 { 132 struct berbuf bb = BB_NULL; 133 134 backsql_strfcat_x( &bb, NULL, "lblbbbblblbcbl", 135 (ber_len_t)STRLENOF( "SELECT " ), "SELECT ", 136 &at_map->bam_sel_expr, 137 (ber_len_t)STRLENOF( " " ), " ", 138 &bi->sql_aliasing, 139 &bi->sql_aliasing_quote, 140 &at_map->bam_ad->ad_cname, 141 &bi->sql_aliasing_quote, 142 (ber_len_t)STRLENOF( " FROM " ), " FROM ", 143 &at_map->bam_from_tbls, 144 (ber_len_t)STRLENOF( " WHERE " ), " WHERE ", 145 &oc_map->bom_keytbl, 146 '.', 147 &oc_map->bom_keycol, 148 (ber_len_t)STRLENOF( "=?" ), "=?" ); 149 150 if ( !BER_BVISNULL( &at_map->bam_join_where ) ) { 151 backsql_strfcat_x( &bb, NULL, "lb", 152 (ber_len_t)STRLENOF( " AND " ), " AND ", 153 &at_map->bam_join_where ); 154 } 155 156 backsql_strfcat_x( &bb, NULL, "lbbb", 157 (ber_len_t)STRLENOF( " ORDER BY " ), " ORDER BY ", 158 &bi->sql_aliasing_quote, 159 &at_map->bam_ad->ad_cname, 160 &bi->sql_aliasing_quote ); 161 162 at_map->bam_query = bb.bb_val.bv_val; 163 164 #ifdef BACKSQL_COUNTQUERY 165 /* Query to count how many rows will be returned. */ 166 BER_BVZERO( &bb.bb_val ); 167 bb.bb_len = 0; 168 backsql_strfcat_x( &bb, NULL, "lblbcbl", 169 (ber_len_t)STRLENOF( "SELECT COUNT(*) FROM " ), 170 "SELECT COUNT(*) FROM ", 171 &at_map->bam_from_tbls, 172 (ber_len_t)STRLENOF( " WHERE " ), " WHERE ", 173 &oc_map->bom_keytbl, 174 '.', 175 &oc_map->bom_keycol, 176 (ber_len_t)STRLENOF( "=?" ), "=?" ); 177 178 if ( !BER_BVISNULL( &at_map->bam_join_where ) ) { 179 backsql_strfcat_x( &bb, NULL, "lb", 180 (ber_len_t)STRLENOF( " AND " ), " AND ", 181 &at_map->bam_join_where ); 182 } 183 184 at_map->bam_countquery = bb.bb_val.bv_val; 185 #endif /* BACKSQL_COUNTQUERY */ 186 187 return 0; 188 } 189 190 static int 191 backsql_add_sysmaps( backsql_info *bi, backsql_oc_map_rec *oc_map ) 192 { 193 backsql_at_map_rec *at_map; 194 char s[LDAP_PVT_INTTYPE_CHARS(long)]; 195 struct berval sbv; 196 struct berbuf bb; 197 198 sbv.bv_val = s; 199 sbv.bv_len = snprintf( s, sizeof( s ), "%ld", oc_map->bom_id ); 200 201 /* extra objectClasses */ 202 at_map = (backsql_at_map_rec *)ch_calloc(1, 203 sizeof( backsql_at_map_rec ) ); 204 at_map->bam_ad = slap_schema.si_ad_objectClass; 205 at_map->bam_true_ad = slap_schema.si_ad_objectClass; 206 ber_str2bv( "ldap_entry_objclasses.oc_name", 0, 1, 207 &at_map->bam_sel_expr ); 208 ber_str2bv( "ldap_entry_objclasses,ldap_entries", 0, 1, 209 &at_map->bam_from_tbls ); 210 211 bb.bb_len = at_map->bam_from_tbls.bv_len + 1; 212 bb.bb_val = at_map->bam_from_tbls; 213 backsql_merge_from_clause( bi, &bb, &oc_map->bom_keytbl ); 214 at_map->bam_from_tbls = bb.bb_val; 215 216 BER_BVZERO( &bb.bb_val ); 217 bb.bb_len = 0; 218 backsql_strfcat_x( &bb, NULL, "lbcblb", 219 (ber_len_t)STRLENOF( "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=" ), 220 "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=", 221 &oc_map->bom_keytbl, 222 '.', 223 &oc_map->bom_keycol, 224 (ber_len_t)STRLENOF( " and ldap_entries.oc_map_id=" ), 225 " and ldap_entries.oc_map_id=", 226 &sbv ); 227 at_map->bam_join_where = bb.bb_val; 228 229 at_map->bam_oc = oc_map->bom_oc; 230 231 at_map->bam_add_proc = NULL; 232 { 233 char tmp[STRLENOF("INSERT INTO ldap_entry_objclasses " 234 "(entry_id,oc_name) VALUES " 235 "((SELECT id FROM ldap_entries " 236 "WHERE oc_map_id= " 237 "AND keyval=?),?)") + LDAP_PVT_INTTYPE_CHARS(unsigned long)]; 238 snprintf( tmp, sizeof(tmp), 239 "INSERT INTO ldap_entry_objclasses " 240 "(entry_id,oc_name) VALUES " 241 "((SELECT id FROM ldap_entries " 242 "WHERE oc_map_id=%lu " 243 "AND keyval=?),?)", oc_map->bom_id ); 244 at_map->bam_add_proc = ch_strdup( tmp ); 245 } 246 247 at_map->bam_delete_proc = NULL; 248 { 249 char tmp[STRLENOF("DELETE FROM ldap_entry_objclasses " 250 "WHERE entry_id=(SELECT id FROM ldap_entries " 251 "WHERE oc_map_id= " 252 "AND keyval=?) AND oc_name=?") + LDAP_PVT_INTTYPE_CHARS(unsigned long)]; 253 snprintf( tmp, sizeof(tmp), 254 "DELETE FROM ldap_entry_objclasses " 255 "WHERE entry_id=(SELECT id FROM ldap_entries " 256 "WHERE oc_map_id=%lu " 257 "AND keyval=?) AND oc_name=?", 258 oc_map->bom_id ); 259 at_map->bam_delete_proc = ch_strdup( tmp ); 260 } 261 262 at_map->bam_param_order = 0; 263 at_map->bam_expect_return = 0; 264 at_map->bam_next = NULL; 265 266 backsql_make_attr_query( bi, oc_map, at_map ); 267 if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) { 268 Debug( LDAP_DEBUG_TRACE, "backsql_add_sysmaps(): " 269 "duplicate attribute \"%s\" in objectClass \"%s\" map\n", 270 at_map->bam_ad->ad_cname.bv_val, 271 oc_map->bom_oc->soc_cname.bv_val, 0 ); 272 } 273 274 /* FIXME: we need to correct the objectClass join_where 275 * after the attribute query is built */ 276 ch_free( at_map->bam_join_where.bv_val ); 277 BER_BVZERO( &bb.bb_val ); 278 bb.bb_len = 0; 279 backsql_strfcat_x( &bb, NULL, "lbcblb", 280 (ber_len_t)STRLENOF( /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=" ), 281 /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=", 282 &oc_map->bom_keytbl, 283 '.', 284 &oc_map->bom_keycol, 285 (ber_len_t)STRLENOF( " AND ldap_entries.oc_map_id=" ), 286 " AND ldap_entries.oc_map_id=", 287 &sbv ); 288 at_map->bam_join_where = bb.bb_val; 289 290 return 1; 291 } 292 293 struct backsql_attr_schema_info { 294 backsql_info *bas_bi; 295 SQLHDBC bas_dbh; 296 SQLHSTMT bas_sth; 297 unsigned long *bas_oc_id; 298 int bas_rc; 299 }; 300 301 static int 302 backsql_oc_get_attr_mapping( void *v_oc, void *v_bas ) 303 { 304 RETCODE rc; 305 BACKSQL_ROW_NTS at_row; 306 backsql_oc_map_rec *oc_map = (backsql_oc_map_rec *)v_oc; 307 backsql_at_map_rec *at_map; 308 struct backsql_attr_schema_info *bas = (struct backsql_attr_schema_info *)v_bas; 309 310 /* bas->bas_oc_id has been bound to bas->bas_sth */ 311 *bas->bas_oc_id = oc_map->bom_id; 312 313 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 314 "executing at_query\n" 315 " \"%s\"\n" 316 " for objectClass \"%s\"\n" 317 " with param oc_id=\"%lu\"\n", 318 bas->bas_bi->sql_at_query, 319 BACKSQL_OC_NAME( oc_map ), 320 *bas->bas_oc_id ); 321 322 rc = SQLExecute( bas->bas_sth ); 323 if ( rc != SQL_SUCCESS ) { 324 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 325 "error executing at_query\n" 326 " \"%s\"\n" 327 " for objectClass \"%s\"\n" 328 " with param oc_id=\"%lu\"\n", 329 bas->bas_bi->sql_at_query, 330 BACKSQL_OC_NAME( oc_map ), 331 *bas->bas_oc_id ); 332 backsql_PrintErrors( bas->bas_bi->sql_db_env, 333 bas->bas_dbh, bas->bas_sth, rc ); 334 bas->bas_rc = LDAP_OTHER; 335 return BACKSQL_AVL_STOP; 336 } 337 338 backsql_BindRowAsStrings( bas->bas_sth, &at_row ); 339 for ( ; rc = SQLFetch( bas->bas_sth ), BACKSQL_SUCCESS( rc ); ) { 340 const char *text = NULL; 341 struct berval bv; 342 struct berbuf bb = BB_NULL; 343 AttributeDescription *ad = NULL; 344 345 { 346 struct { 347 int idx; 348 char *name; 349 } required[] = { 350 { 0, "name" }, 351 { 1, "sel_expr" }, 352 { 2, "from" }, 353 { -1, NULL }, 354 }; 355 int i; 356 357 for ( i = 0; required[ i ].name != NULL; i++ ) { 358 if ( at_row.value_len[ i ] <= 0 ) { 359 Debug( LDAP_DEBUG_ANY, 360 "backsql_oc_get_attr_mapping(): " 361 "required column #%d \"%s\" is empty\n", 362 required[ i ].idx, required[ i ].name, 0 ); 363 bas->bas_rc = LDAP_OTHER; 364 return BACKSQL_AVL_STOP; 365 } 366 } 367 } 368 369 { 370 char buf[ SLAP_TEXT_BUFLEN ]; 371 372 snprintf( buf, sizeof( buf ), 373 "attributeType: " 374 "name=\"%s\" " 375 "sel_expr=\"%s\" " 376 "from=\"%s\" " 377 "join_where=\"%s\" " 378 "add_proc=\"%s\" " 379 "delete_proc=\"%s\" " 380 "sel_expr_u=\"%s\"", 381 at_row.cols[ 0 ], 382 at_row.cols[ 1 ], 383 at_row.cols[ 2 ], 384 at_row.cols[ 3 ] ? at_row.cols[ 3 ] : "", 385 at_row.cols[ 4 ] ? at_row.cols[ 4 ] : "", 386 at_row.cols[ 5 ] ? at_row.cols[ 5 ] : "", 387 at_row.cols[ 8 ] ? at_row.cols[ 8 ] : ""); 388 Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 ); 389 } 390 391 rc = slap_str2ad( at_row.cols[ 0 ], &ad, &text ); 392 if ( rc != LDAP_SUCCESS ) { 393 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 394 "attribute \"%s\" for objectClass \"%s\" " 395 "is not defined in schema: %s\n", 396 at_row.cols[ 0 ], 397 BACKSQL_OC_NAME( oc_map ), text ); 398 bas->bas_rc = LDAP_CONSTRAINT_VIOLATION; 399 return BACKSQL_AVL_STOP; 400 } 401 at_map = (backsql_at_map_rec *)ch_calloc( 1, 402 sizeof( backsql_at_map_rec ) ); 403 at_map->bam_ad = ad; 404 at_map->bam_true_ad = ad; 405 if ( slap_syntax_is_binary( ad->ad_type->sat_syntax ) 406 && !slap_ad_is_binary( ad ) ) 407 { 408 char buf[ SLAP_TEXT_BUFLEN ]; 409 struct berval bv; 410 const char *text = NULL; 411 412 bv.bv_val = buf; 413 bv.bv_len = snprintf( buf, sizeof( buf ), "%s;binary", 414 ad->ad_cname.bv_val ); 415 at_map->bam_true_ad = NULL; 416 bas->bas_rc = slap_bv2ad( &bv, &at_map->bam_true_ad, &text ); 417 if ( bas->bas_rc != LDAP_SUCCESS ) { 418 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 419 "unable to fetch attribute \"%s\": %s (%d)\n", 420 buf, text, rc ); 421 return BACKSQL_AVL_STOP; 422 } 423 } 424 425 ber_str2bv( at_row.cols[ 1 ], 0, 1, &at_map->bam_sel_expr ); 426 if ( at_row.value_len[ 8 ] <= 0 ) { 427 BER_BVZERO( &at_map->bam_sel_expr_u ); 428 429 } else { 430 ber_str2bv( at_row.cols[ 8 ], 0, 1, 431 &at_map->bam_sel_expr_u ); 432 } 433 434 ber_str2bv( at_row.cols[ 2 ], 0, 0, &bv ); 435 backsql_merge_from_clause( bas->bas_bi, &bb, &bv ); 436 at_map->bam_from_tbls = bb.bb_val; 437 if ( at_row.value_len[ 3 ] <= 0 ) { 438 BER_BVZERO( &at_map->bam_join_where ); 439 440 } else { 441 ber_str2bv( at_row.cols[ 3 ], 0, 1, 442 &at_map->bam_join_where ); 443 } 444 at_map->bam_add_proc = NULL; 445 if ( at_row.value_len[ 4 ] > 0 ) { 446 at_map->bam_add_proc = ch_strdup( at_row.cols[ 4 ] ); 447 } 448 at_map->bam_delete_proc = NULL; 449 if ( at_row.value_len[ 5 ] > 0 ) { 450 at_map->bam_delete_proc = ch_strdup( at_row.cols[ 5 ] ); 451 } 452 if ( lutil_atoix( &at_map->bam_param_order, at_row.cols[ 6 ], 0 ) != 0 ) { 453 /* error */ 454 } 455 if ( lutil_atoix( &at_map->bam_expect_return, at_row.cols[ 7 ], 0 ) != 0 ) { 456 /* error */ 457 } 458 backsql_make_attr_query( bas->bas_bi, oc_map, at_map ); 459 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 460 "preconstructed query \"%s\"\n", 461 at_map->bam_query, 0, 0 ); 462 at_map->bam_next = NULL; 463 if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) { 464 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 465 "duplicate attribute \"%s\" " 466 "in objectClass \"%s\" map\n", 467 at_map->bam_ad->ad_cname.bv_val, 468 oc_map->bom_oc->soc_cname.bv_val, 0 ); 469 } 470 471 if ( !BER_BVISNULL( &bas->bas_bi->sql_upper_func ) && 472 BER_BVISNULL( &at_map->bam_sel_expr_u ) ) 473 { 474 struct berbuf bb = BB_NULL; 475 476 backsql_strfcat_x( &bb, NULL, "bcbc", 477 &bas->bas_bi->sql_upper_func, 478 '(' /* ) */ , 479 &at_map->bam_sel_expr, 480 /* ( */ ')' ); 481 at_map->bam_sel_expr_u = bb.bb_val; 482 } 483 } 484 backsql_FreeRow( &at_row ); 485 SQLFreeStmt( bas->bas_sth, SQL_CLOSE ); 486 487 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(\"%s\"): " 488 "autoadding 'objectClass' and 'ref' mappings\n", 489 BACKSQL_OC_NAME( oc_map ), 0, 0 ); 490 491 (void)backsql_add_sysmaps( bas->bas_bi, oc_map ); 492 493 return BACKSQL_AVL_CONTINUE; 494 } 495 496 497 int 498 backsql_load_schema_map( backsql_info *bi, SQLHDBC dbh ) 499 { 500 SQLHSTMT sth = SQL_NULL_HSTMT; 501 RETCODE rc; 502 BACKSQL_ROW_NTS oc_row; 503 unsigned long oc_id; 504 backsql_oc_map_rec *oc_map; 505 struct backsql_attr_schema_info bas; 506 507 int delete_proc_idx = 5; 508 int create_hint_idx = delete_proc_idx + 2; 509 510 Debug( LDAP_DEBUG_TRACE, "==>backsql_load_schema_map()\n", 0, 0, 0 ); 511 512 /* 513 * TimesTen : See if the ldap_entries.dn_ru field exists in the schema 514 */ 515 if ( !BACKSQL_DONTCHECK_LDAPINFO_DN_RU( bi ) ) { 516 rc = backsql_Prepare( dbh, &sth, 517 backsql_check_dn_ru_query, 0 ); 518 if ( rc == SQL_SUCCESS ) { 519 /* Yes, the field exists */ 520 bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU; 521 Debug( LDAP_DEBUG_TRACE, "ldapinfo.dn_ru field exists " 522 "in the schema\n", 0, 0, 0 ); 523 } else { 524 /* No such field exists */ 525 bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU; 526 } 527 528 SQLFreeStmt( sth, SQL_DROP ); 529 } 530 531 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): oc_query \"%s\"\n", 532 bi->sql_oc_query, 0, 0 ); 533 534 rc = backsql_Prepare( dbh, &sth, bi->sql_oc_query, 0 ); 535 if ( rc != SQL_SUCCESS ) { 536 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 537 "error preparing oc_query: \"%s\"\n", 538 bi->sql_oc_query, 0, 0 ); 539 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 540 return LDAP_OTHER; 541 } 542 543 rc = SQLExecute( sth ); 544 if ( rc != SQL_SUCCESS ) { 545 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 546 "error executing oc_query: \n", 0, 0, 0 ); 547 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 548 return LDAP_OTHER; 549 } 550 551 backsql_BindRowAsStrings( sth, &oc_row ); 552 rc = SQLFetch( sth ); 553 554 if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) { 555 delete_proc_idx++; 556 create_hint_idx++; 557 } 558 559 for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) { 560 { 561 struct { 562 int idx; 563 char *name; 564 } required[] = { 565 { 0, "id" }, 566 { 1, "name" }, 567 { 2, "keytbl" }, 568 { 3, "keycol" }, 569 { delete_proc_idx + 1, "expect_return" }, 570 { -1, NULL }, 571 }; 572 int i; 573 574 for ( i = 0; required[ i ].name != NULL; i++ ) { 575 if ( oc_row.value_len[ required[ i ].idx ] <= 0 ) { 576 Debug( LDAP_DEBUG_ANY, 577 "backsql_load_schema_map(): " 578 "required column #%d \"%s\" is empty\n", 579 required[ i ].idx, required[ i ].name, 0 ); 580 return LDAP_OTHER; 581 } 582 } 583 } 584 585 { 586 char buf[ SLAP_TEXT_BUFLEN ]; 587 588 snprintf( buf, sizeof( buf ), 589 "objectClass: " 590 "id=\"%s\" " 591 "name=\"%s\" " 592 "keytbl=\"%s\" " 593 "keycol=\"%s\" " 594 "create_proc=\"%s\" " 595 "create_keyval=\"%s\" " 596 "delete_proc=\"%s\" " 597 "expect_return=\"%s\"" 598 "create_hint=\"%s\" ", 599 oc_row.cols[ 0 ], 600 oc_row.cols[ 1 ], 601 oc_row.cols[ 2 ], 602 oc_row.cols[ 3 ], 603 oc_row.cols[ 4 ] ? oc_row.cols[ 4 ] : "", 604 ( BACKSQL_CREATE_NEEDS_SELECT( bi ) && oc_row.cols[ 5 ] ) ? oc_row.cols[ 5 ] : "", 605 oc_row.cols[ delete_proc_idx ] ? oc_row.cols[ delete_proc_idx ] : "", 606 oc_row.cols[ delete_proc_idx + 1 ], 607 ( ( oc_row.ncols > create_hint_idx ) && oc_row.cols[ create_hint_idx ] ) ? oc_row.cols[ create_hint_idx ] : "" ); 608 Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 ); 609 } 610 611 oc_map = (backsql_oc_map_rec *)ch_calloc( 1, 612 sizeof( backsql_oc_map_rec ) ); 613 614 if ( lutil_atoulx( &oc_map->bom_id, oc_row.cols[ 0 ], 0 ) != 0 ) { 615 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 616 "unable to parse id=\"%s\"\n", 617 oc_row.cols[ 0 ], 0, 0 ); 618 return LDAP_OTHER; 619 } 620 621 oc_map->bom_oc = oc_find( oc_row.cols[ 1 ] ); 622 if ( oc_map->bom_oc == NULL ) { 623 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 624 "objectClass \"%s\" is not defined in schema\n", 625 oc_row.cols[ 1 ], 0, 0 ); 626 return LDAP_OTHER; /* undefined objectClass ? */ 627 } 628 629 ber_str2bv( oc_row.cols[ 2 ], 0, 1, &oc_map->bom_keytbl ); 630 ber_str2bv( oc_row.cols[ 3 ], 0, 1, &oc_map->bom_keycol ); 631 oc_map->bom_create_proc = ( oc_row.value_len[ 4 ] <= 0 ) ? NULL 632 : ch_strdup( oc_row.cols[ 4 ] ); 633 634 if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) { 635 oc_map->bom_create_keyval = ( oc_row.value_len[ 5 ] <= 0 ) 636 ? NULL : ch_strdup( oc_row.cols[ 5 ] ); 637 } 638 oc_map->bom_delete_proc = ( oc_row.value_len[ delete_proc_idx ] <= 0 ) ? NULL 639 : ch_strdup( oc_row.cols[ delete_proc_idx ] ); 640 if ( lutil_atoix( &oc_map->bom_expect_return, oc_row.cols[ delete_proc_idx + 1 ], 0 ) != 0 ) { 641 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 642 "unable to parse expect_return=\"%s\" for objectClass \"%s\"\n", 643 oc_row.cols[ delete_proc_idx + 1 ], oc_row.cols[ 1 ], 0 ); 644 return LDAP_OTHER; 645 } 646 647 if ( ( oc_row.ncols > create_hint_idx ) && 648 ( oc_row.value_len[ create_hint_idx ] > 0 ) ) 649 { 650 const char *text; 651 652 oc_map->bom_create_hint = NULL; 653 rc = slap_str2ad( oc_row.cols[ create_hint_idx ], 654 &oc_map->bom_create_hint, &text ); 655 if ( rc != SQL_SUCCESS ) { 656 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): " 657 "error matching " 658 "AttributeDescription %s " 659 "in create_hint: %s (%d)\n", 660 oc_row.cols[ create_hint_idx ], 661 text, rc ); 662 backsql_PrintErrors( bi->sql_db_env, dbh, 663 sth, rc ); 664 return LDAP_OTHER; 665 } 666 } 667 668 /* 669 * FIXME: first attempt to check for offending 670 * instructions in {create|delete}_proc 671 */ 672 673 oc_map->bom_attrs = NULL; 674 if ( avl_insert( &bi->sql_oc_by_oc, oc_map, backsql_cmp_oc, avl_dup_error ) == -1 ) { 675 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 676 "duplicate objectClass \"%s\" in objectClass map\n", 677 oc_map->bom_oc->soc_cname.bv_val, 0, 0 ); 678 return LDAP_OTHER; 679 } 680 if ( avl_insert( &bi->sql_oc_by_id, oc_map, backsql_cmp_oc_id, avl_dup_error ) == -1 ) { 681 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 682 "duplicate objectClass \"%s\" in objectClass by ID map\n", 683 oc_map->bom_oc->soc_cname.bv_val, 0, 0 ); 684 return LDAP_OTHER; 685 } 686 oc_id = oc_map->bom_id; 687 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 688 "objectClass \"%s\":\n keytbl=\"%s\" keycol=\"%s\"\n", 689 BACKSQL_OC_NAME( oc_map ), 690 oc_map->bom_keytbl.bv_val, oc_map->bom_keycol.bv_val ); 691 if ( oc_map->bom_create_proc ) { 692 Debug( LDAP_DEBUG_TRACE, " create_proc=\"%s\"\n", 693 oc_map->bom_create_proc, 0, 0 ); 694 } 695 if ( oc_map->bom_create_keyval ) { 696 Debug( LDAP_DEBUG_TRACE, " create_keyval=\"%s\"\n", 697 oc_map->bom_create_keyval, 0, 0 ); 698 } 699 if ( oc_map->bom_create_hint ) { 700 Debug( LDAP_DEBUG_TRACE, " create_hint=\"%s\"\n", 701 oc_map->bom_create_hint->ad_cname.bv_val, 702 0, 0 ); 703 } 704 if ( oc_map->bom_delete_proc ) { 705 Debug( LDAP_DEBUG_TRACE, " delete_proc=\"%s\"\n", 706 oc_map->bom_delete_proc, 0, 0 ); 707 } 708 Debug( LDAP_DEBUG_TRACE, " expect_return: " 709 "add=%d, del=%d; attributes:\n", 710 BACKSQL_IS_ADD( oc_map->bom_expect_return ), 711 BACKSQL_IS_DEL( oc_map->bom_expect_return ), 0 ); 712 } 713 714 backsql_FreeRow( &oc_row ); 715 SQLFreeStmt( sth, SQL_DROP ); 716 717 /* prepare for attribute fetching */ 718 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): at_query \"%s\"\n", 719 bi->sql_at_query, 0, 0 ); 720 721 rc = backsql_Prepare( dbh, &sth, bi->sql_at_query, 0 ); 722 if ( rc != SQL_SUCCESS ) { 723 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 724 "error preparing at_query: \"%s\"\n", 725 bi->sql_at_query, 0, 0 ); 726 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 727 return LDAP_OTHER; 728 } 729 730 rc = backsql_BindParamInt( sth, 1, SQL_PARAM_INPUT, &oc_id ); 731 if ( rc != SQL_SUCCESS ) { 732 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 733 "error binding param \"oc_id\" for at_query\n", 0, 0, 0 ); 734 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 735 SQLFreeStmt( sth, SQL_DROP ); 736 return LDAP_OTHER; 737 } 738 739 bas.bas_bi = bi; 740 bas.bas_dbh = dbh; 741 bas.bas_sth = sth; 742 bas.bas_oc_id = &oc_id; 743 bas.bas_rc = LDAP_SUCCESS; 744 745 (void)avl_apply( bi->sql_oc_by_oc, backsql_oc_get_attr_mapping, 746 &bas, BACKSQL_AVL_STOP, AVL_INORDER ); 747 748 SQLFreeStmt( sth, SQL_DROP ); 749 750 bi->sql_flags |= BSQLF_SCHEMA_LOADED; 751 752 Debug( LDAP_DEBUG_TRACE, "<==backsql_load_schema_map()\n", 0, 0, 0 ); 753 754 return bas.bas_rc; 755 } 756 757 backsql_oc_map_rec * 758 backsql_oc2oc( backsql_info *bi, ObjectClass *oc ) 759 { 760 backsql_oc_map_rec tmp, *res; 761 762 #ifdef BACKSQL_TRACE 763 Debug( LDAP_DEBUG_TRACE, "==>backsql_oc2oc(): " 764 "searching for objectclass with name=\"%s\"\n", 765 oc->soc_cname.bv_val, 0, 0 ); 766 #endif /* BACKSQL_TRACE */ 767 768 tmp.bom_oc = oc; 769 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc ); 770 #ifdef BACKSQL_TRACE 771 if ( res != NULL ) { 772 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): " 773 "found name=\"%s\", id=%d\n", 774 BACKSQL_OC_NAME( res ), res->bom_id, 0 ); 775 } else { 776 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): " 777 "not found\n", 0, 0, 0 ); 778 } 779 #endif /* BACKSQL_TRACE */ 780 781 return res; 782 } 783 784 backsql_oc_map_rec * 785 backsql_name2oc( backsql_info *bi, struct berval *oc_name ) 786 { 787 backsql_oc_map_rec tmp, *res; 788 789 #ifdef BACKSQL_TRACE 790 Debug( LDAP_DEBUG_TRACE, "==>oc_with_name(): " 791 "searching for objectclass with name=\"%s\"\n", 792 oc_name->bv_val, 0, 0 ); 793 #endif /* BACKSQL_TRACE */ 794 795 tmp.bom_oc = oc_bvfind( oc_name ); 796 if ( tmp.bom_oc == NULL ) { 797 return NULL; 798 } 799 800 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc ); 801 #ifdef BACKSQL_TRACE 802 if ( res != NULL ) { 803 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): " 804 "found name=\"%s\", id=%d\n", 805 BACKSQL_OC_NAME( res ), res->bom_id, 0 ); 806 } else { 807 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): " 808 "not found\n", 0, 0, 0 ); 809 } 810 #endif /* BACKSQL_TRACE */ 811 812 return res; 813 } 814 815 backsql_oc_map_rec * 816 backsql_id2oc( backsql_info *bi, unsigned long id ) 817 { 818 backsql_oc_map_rec tmp, *res; 819 820 #ifdef BACKSQL_TRACE 821 Debug( LDAP_DEBUG_TRACE, "==>oc_with_id(): " 822 "searching for objectclass with id='%d'\n", id, 0, 0 ); 823 #endif /* BACKSQL_TRACE */ 824 825 tmp.bom_id = id; 826 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_id, &tmp, 827 backsql_cmp_oc_id ); 828 829 #ifdef BACKSQL_TRACE 830 if ( res != NULL ) { 831 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): " 832 "found name=\"%s\", id=%d\n", 833 BACKSQL_OC_NAME( res ), res->bom_id, 0 ); 834 } else { 835 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): " 836 "not found\n", 0, 0, 0 ); 837 } 838 #endif /* BACKSQL_TRACE */ 839 840 return res; 841 } 842 843 backsql_at_map_rec * 844 backsql_ad2at( backsql_oc_map_rec* objclass, AttributeDescription *ad ) 845 { 846 backsql_at_map_rec tmp = { 0 }, *res; 847 848 #ifdef BACKSQL_TRACE 849 Debug( LDAP_DEBUG_TRACE, "==>backsql_ad2at(): " 850 "searching for attribute \"%s\" for objectclass \"%s\"\n", 851 ad->ad_cname.bv_val, BACKSQL_OC_NAME( objclass ), 0 ); 852 #endif /* BACKSQL_TRACE */ 853 854 tmp.bam_ad = ad; 855 res = (backsql_at_map_rec *)avl_find( objclass->bom_attrs, &tmp, 856 backsql_cmp_attr ); 857 858 #ifdef BACKSQL_TRACE 859 if ( res != NULL ) { 860 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): " 861 "found name=\"%s\", sel_expr=\"%s\"\n", 862 res->bam_ad->ad_cname.bv_val, 863 res->bam_sel_expr.bv_val, 0 ); 864 } else { 865 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): " 866 "not found\n", 0, 0, 0 ); 867 } 868 #endif /* BACKSQL_TRACE */ 869 870 return res; 871 } 872 873 /* attributeType inheritance */ 874 struct supad2at_t { 875 backsql_at_map_rec **ret; 876 AttributeDescription *ad; 877 unsigned n; 878 }; 879 880 #define SUPAD2AT_STOP (-1) 881 882 static int 883 supad2at_f( void *v_at, void *v_arg ) 884 { 885 backsql_at_map_rec *at = (backsql_at_map_rec *)v_at; 886 struct supad2at_t *va = (struct supad2at_t *)v_arg; 887 888 if ( is_at_subtype( at->bam_ad->ad_type, va->ad->ad_type ) ) { 889 backsql_at_map_rec **ret = NULL; 890 unsigned i; 891 892 /* if already listed, holler! (should never happen) */ 893 if ( va->ret ) { 894 for ( i = 0; i < va->n; i++ ) { 895 if ( va->ret[ i ]->bam_ad == at->bam_ad ) { 896 break; 897 } 898 } 899 900 if ( i < va->n ) { 901 return 0; 902 } 903 } 904 905 ret = ch_realloc( va->ret, 906 sizeof( backsql_at_map_rec * ) * ( va->n + 2 ) ); 907 if ( ret == NULL ) { 908 ch_free( va->ret ); 909 va->ret = NULL; 910 va->n = 0; 911 return SUPAD2AT_STOP; 912 } 913 914 ret[ va->n ] = at; 915 va->n++; 916 ret[ va->n ] = NULL; 917 va->ret = ret; 918 } 919 920 return 0; 921 } 922 923 /* 924 * stores in *pret a NULL terminated array of pointers 925 * to backsql_at_map_rec whose attributeType is supad->ad_type 926 * or derived from it 927 */ 928 int 929 backsql_supad2at( backsql_oc_map_rec *objclass, AttributeDescription *supad, 930 backsql_at_map_rec ***pret ) 931 { 932 struct supad2at_t va = { 0 }; 933 int rc; 934 935 assert( objclass != NULL ); 936 assert( supad != NULL ); 937 assert( pret != NULL ); 938 939 *pret = NULL; 940 941 va.ad = supad; 942 943 rc = avl_apply( objclass->bom_attrs, supad2at_f, &va, 944 SUPAD2AT_STOP, AVL_INORDER ); 945 if ( rc == SUPAD2AT_STOP ) { 946 return -1; 947 } 948 949 *pret = va.ret; 950 951 return 0; 952 } 953 954 static void 955 backsql_free_attr( void *v_at ) 956 { 957 backsql_at_map_rec *at = v_at; 958 959 Debug( LDAP_DEBUG_TRACE, "==>free_attr(): \"%s\"\n", 960 at->bam_ad->ad_cname.bv_val, 0, 0 ); 961 ch_free( at->bam_sel_expr.bv_val ); 962 if ( !BER_BVISNULL( &at->bam_from_tbls ) ) { 963 ch_free( at->bam_from_tbls.bv_val ); 964 } 965 if ( !BER_BVISNULL( &at->bam_join_where ) ) { 966 ch_free( at->bam_join_where.bv_val ); 967 } 968 if ( at->bam_add_proc != NULL ) { 969 ch_free( at->bam_add_proc ); 970 } 971 if ( at->bam_delete_proc != NULL ) { 972 ch_free( at->bam_delete_proc ); 973 } 974 if ( at->bam_query != NULL ) { 975 ch_free( at->bam_query ); 976 } 977 978 #ifdef BACKSQL_COUNTQUERY 979 if ( at->bam_countquery != NULL ) { 980 ch_free( at->bam_countquery ); 981 } 982 #endif /* BACKSQL_COUNTQUERY */ 983 984 /* TimesTen */ 985 if ( !BER_BVISNULL( &at->bam_sel_expr_u ) ) { 986 ch_free( at->bam_sel_expr_u.bv_val ); 987 } 988 989 if ( at->bam_next ) { 990 backsql_free_attr( at->bam_next ); 991 } 992 993 ch_free( at ); 994 995 Debug( LDAP_DEBUG_TRACE, "<==free_attr()\n", 0, 0, 0 ); 996 } 997 998 static void 999 backsql_free_oc( void *v_oc ) 1000 { 1001 backsql_oc_map_rec *oc = v_oc; 1002 1003 Debug( LDAP_DEBUG_TRACE, "==>free_oc(): \"%s\"\n", 1004 BACKSQL_OC_NAME( oc ), 0, 0 ); 1005 avl_free( oc->bom_attrs, backsql_free_attr ); 1006 ch_free( oc->bom_keytbl.bv_val ); 1007 ch_free( oc->bom_keycol.bv_val ); 1008 if ( oc->bom_create_proc != NULL ) { 1009 ch_free( oc->bom_create_proc ); 1010 } 1011 if ( oc->bom_create_keyval != NULL ) { 1012 ch_free( oc->bom_create_keyval ); 1013 } 1014 if ( oc->bom_delete_proc != NULL ) { 1015 ch_free( oc->bom_delete_proc ); 1016 } 1017 ch_free( oc ); 1018 1019 Debug( LDAP_DEBUG_TRACE, "<==free_oc()\n", 0, 0, 0 ); 1020 } 1021 1022 int 1023 backsql_destroy_schema_map( backsql_info *bi ) 1024 { 1025 Debug( LDAP_DEBUG_TRACE, "==>destroy_schema_map()\n", 0, 0, 0 ); 1026 avl_free( bi->sql_oc_by_oc, 0 ); 1027 avl_free( bi->sql_oc_by_id, backsql_free_oc ); 1028 Debug( LDAP_DEBUG_TRACE, "<==destroy_schema_map()\n", 0, 0, 0 ); 1029 return 0; 1030 } 1031 1032