1 /* $NetBSD: schema-map.c,v 1.1.1.4 2014/05/28 09:58:51 tron Exp $ */ 2 3 /* $OpenLDAP$ */ 4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 5 * 6 * Copyright 1999-2014 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. 166 167 SELECT COUNT(*) FROM <from_tbls> WHERE <keytbl>.<keycol>=? 168 [ AND <join_where> ] 169 170 */ 171 BER_BVZERO( &bb.bb_val ); 172 bb.bb_len = 0; 173 backsql_strfcat_x( &bb, NULL, "lblbcbl", 174 (ber_len_t)STRLENOF( "SELECT COUNT(*) FROM " ), 175 "SELECT COUNT(*) FROM ", 176 &at_map->bam_from_tbls, 177 (ber_len_t)STRLENOF( " WHERE " ), " WHERE ", 178 &oc_map->bom_keytbl, 179 '.', 180 &oc_map->bom_keycol, 181 (ber_len_t)STRLENOF( "=?" ), "=?" ); 182 183 if ( !BER_BVISNULL( &at_map->bam_join_where ) ) { 184 backsql_strfcat_x( &bb, NULL, "lb", 185 (ber_len_t)STRLENOF( " AND " ), " AND ", 186 &at_map->bam_join_where ); 187 } 188 189 at_map->bam_countquery = bb.bb_val.bv_val; 190 #endif /* BACKSQL_COUNTQUERY */ 191 192 return 0; 193 } 194 195 static int 196 backsql_add_sysmaps( backsql_info *bi, backsql_oc_map_rec *oc_map ) 197 { 198 backsql_at_map_rec *at_map; 199 char s[LDAP_PVT_INTTYPE_CHARS(long)]; 200 struct berval sbv; 201 struct berbuf bb; 202 203 sbv.bv_val = s; 204 sbv.bv_len = snprintf( s, sizeof( s ), BACKSQL_IDNUMFMT, oc_map->bom_id ); 205 206 /* extra objectClasses */ 207 at_map = (backsql_at_map_rec *)ch_calloc(1, 208 sizeof( backsql_at_map_rec ) ); 209 at_map->bam_ad = slap_schema.si_ad_objectClass; 210 at_map->bam_true_ad = slap_schema.si_ad_objectClass; 211 ber_str2bv( "ldap_entry_objclasses.oc_name", 0, 1, 212 &at_map->bam_sel_expr ); 213 ber_str2bv( "ldap_entry_objclasses,ldap_entries", 0, 1, 214 &at_map->bam_from_tbls ); 215 216 bb.bb_len = at_map->bam_from_tbls.bv_len + 1; 217 bb.bb_val = at_map->bam_from_tbls; 218 backsql_merge_from_clause( bi, &bb, &oc_map->bom_keytbl ); 219 at_map->bam_from_tbls = bb.bb_val; 220 221 BER_BVZERO( &bb.bb_val ); 222 bb.bb_len = 0; 223 backsql_strfcat_x( &bb, NULL, "lbcblb", 224 (ber_len_t)STRLENOF( "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=" ), 225 "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=", 226 &oc_map->bom_keytbl, 227 '.', 228 &oc_map->bom_keycol, 229 (ber_len_t)STRLENOF( " and ldap_entries.oc_map_id=" ), 230 " and ldap_entries.oc_map_id=", 231 &sbv ); 232 at_map->bam_join_where = bb.bb_val; 233 234 at_map->bam_oc = oc_map->bom_oc; 235 236 at_map->bam_add_proc = NULL; 237 { 238 char tmp[STRLENOF("INSERT INTO ldap_entry_objclasses " 239 "(entry_id,oc_name) VALUES " 240 "((SELECT id FROM ldap_entries " 241 "WHERE oc_map_id= " 242 "AND keyval=?),?)") + LDAP_PVT_INTTYPE_CHARS(unsigned long)]; 243 snprintf( tmp, sizeof(tmp), 244 "INSERT INTO ldap_entry_objclasses " 245 "(entry_id,oc_name) VALUES " 246 "((SELECT id FROM ldap_entries " 247 "WHERE oc_map_id=" BACKSQL_IDNUMFMT " " 248 "AND keyval=?),?)", oc_map->bom_id ); 249 at_map->bam_add_proc = ch_strdup( tmp ); 250 } 251 252 at_map->bam_delete_proc = NULL; 253 { 254 char tmp[STRLENOF("DELETE FROM ldap_entry_objclasses " 255 "WHERE entry_id=(SELECT id FROM ldap_entries " 256 "WHERE oc_map_id= " 257 "AND keyval=?) AND oc_name=?") + LDAP_PVT_INTTYPE_CHARS(unsigned long)]; 258 snprintf( tmp, sizeof(tmp), 259 "DELETE FROM ldap_entry_objclasses " 260 "WHERE entry_id=(SELECT id FROM ldap_entries " 261 "WHERE oc_map_id=" BACKSQL_IDNUMFMT " " 262 "AND keyval=?) AND oc_name=?", 263 oc_map->bom_id ); 264 at_map->bam_delete_proc = ch_strdup( tmp ); 265 } 266 267 at_map->bam_param_order = 0; 268 at_map->bam_expect_return = 0; 269 at_map->bam_next = NULL; 270 271 backsql_make_attr_query( bi, oc_map, at_map ); 272 if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) { 273 Debug( LDAP_DEBUG_TRACE, "backsql_add_sysmaps(): " 274 "duplicate attribute \"%s\" in objectClass \"%s\" map\n", 275 at_map->bam_ad->ad_cname.bv_val, 276 oc_map->bom_oc->soc_cname.bv_val, 0 ); 277 } 278 279 /* FIXME: we need to correct the objectClass join_where 280 * after the attribute query is built */ 281 ch_free( at_map->bam_join_where.bv_val ); 282 BER_BVZERO( &bb.bb_val ); 283 bb.bb_len = 0; 284 backsql_strfcat_x( &bb, NULL, "lbcblb", 285 (ber_len_t)STRLENOF( /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=" ), 286 /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=", 287 &oc_map->bom_keytbl, 288 '.', 289 &oc_map->bom_keycol, 290 (ber_len_t)STRLENOF( " AND ldap_entries.oc_map_id=" ), 291 " AND ldap_entries.oc_map_id=", 292 &sbv ); 293 at_map->bam_join_where = bb.bb_val; 294 295 return 1; 296 } 297 298 struct backsql_attr_schema_info { 299 backsql_info *bas_bi; 300 SQLHDBC bas_dbh; 301 SQLHSTMT bas_sth; 302 backsql_key_t *bas_oc_id; 303 int bas_rc; 304 }; 305 306 static int 307 backsql_oc_get_attr_mapping( void *v_oc, void *v_bas ) 308 { 309 RETCODE rc; 310 BACKSQL_ROW_NTS at_row; 311 backsql_oc_map_rec *oc_map = (backsql_oc_map_rec *)v_oc; 312 backsql_at_map_rec *at_map; 313 struct backsql_attr_schema_info *bas = (struct backsql_attr_schema_info *)v_bas; 314 315 /* bas->bas_oc_id has been bound to bas->bas_sth */ 316 *bas->bas_oc_id = oc_map->bom_id; 317 318 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 319 "executing at_query\n" 320 " \"%s\"\n" 321 " for objectClass \"%s\"\n" 322 " with param oc_id=" BACKSQL_IDNUMFMT "\n", 323 bas->bas_bi->sql_at_query, 324 BACKSQL_OC_NAME( oc_map ), 325 *bas->bas_oc_id ); 326 327 rc = SQLExecute( bas->bas_sth ); 328 if ( rc != SQL_SUCCESS ) { 329 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 330 "error executing at_query\n" 331 " \"%s\"\n" 332 " for objectClass \"%s\"\n" 333 " with param oc_id=" BACKSQL_IDNUMFMT "\n", 334 bas->bas_bi->sql_at_query, 335 BACKSQL_OC_NAME( oc_map ), 336 *bas->bas_oc_id ); 337 backsql_PrintErrors( bas->bas_bi->sql_db_env, 338 bas->bas_dbh, bas->bas_sth, rc ); 339 bas->bas_rc = LDAP_OTHER; 340 return BACKSQL_AVL_STOP; 341 } 342 343 backsql_BindRowAsStrings( bas->bas_sth, &at_row ); 344 for ( ; rc = SQLFetch( bas->bas_sth ), BACKSQL_SUCCESS( rc ); ) { 345 const char *text = NULL; 346 struct berval bv; 347 struct berbuf bb = BB_NULL; 348 AttributeDescription *ad = NULL; 349 350 { 351 struct { 352 int idx; 353 char *name; 354 } required[] = { 355 { 0, "name" }, 356 { 1, "sel_expr" }, 357 { 2, "from" }, 358 { -1, NULL }, 359 }; 360 int i; 361 362 for ( i = 0; required[ i ].name != NULL; i++ ) { 363 if ( at_row.value_len[ i ] <= 0 ) { 364 Debug( LDAP_DEBUG_ANY, 365 "backsql_oc_get_attr_mapping(): " 366 "required column #%d \"%s\" is empty\n", 367 required[ i ].idx, required[ i ].name, 0 ); 368 bas->bas_rc = LDAP_OTHER; 369 return BACKSQL_AVL_STOP; 370 } 371 } 372 } 373 374 { 375 char buf[ SLAP_TEXT_BUFLEN ]; 376 377 snprintf( buf, sizeof( buf ), 378 "attributeType: " 379 "name=\"%s\" " 380 "sel_expr=\"%s\" " 381 "from=\"%s\" " 382 "join_where=\"%s\" " 383 "add_proc=\"%s\" " 384 "delete_proc=\"%s\" " 385 "sel_expr_u=\"%s\"", 386 at_row.cols[ 0 ], 387 at_row.cols[ 1 ], 388 at_row.cols[ 2 ], 389 at_row.cols[ 3 ] ? at_row.cols[ 3 ] : "", 390 at_row.cols[ 4 ] ? at_row.cols[ 4 ] : "", 391 at_row.cols[ 5 ] ? at_row.cols[ 5 ] : "", 392 at_row.cols[ 8 ] ? at_row.cols[ 8 ] : ""); 393 Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 ); 394 } 395 396 rc = slap_str2ad( at_row.cols[ 0 ], &ad, &text ); 397 if ( rc != LDAP_SUCCESS ) { 398 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 399 "attribute \"%s\" for objectClass \"%s\" " 400 "is not defined in schema: %s\n", 401 at_row.cols[ 0 ], 402 BACKSQL_OC_NAME( oc_map ), text ); 403 bas->bas_rc = LDAP_CONSTRAINT_VIOLATION; 404 return BACKSQL_AVL_STOP; 405 } 406 at_map = (backsql_at_map_rec *)ch_calloc( 1, 407 sizeof( backsql_at_map_rec ) ); 408 at_map->bam_ad = ad; 409 at_map->bam_true_ad = ad; 410 if ( slap_syntax_is_binary( ad->ad_type->sat_syntax ) 411 && !slap_ad_is_binary( ad ) ) 412 { 413 char buf[ SLAP_TEXT_BUFLEN ]; 414 struct berval bv; 415 const char *text = NULL; 416 417 bv.bv_val = buf; 418 bv.bv_len = snprintf( buf, sizeof( buf ), "%s;binary", 419 ad->ad_cname.bv_val ); 420 at_map->bam_true_ad = NULL; 421 bas->bas_rc = slap_bv2ad( &bv, &at_map->bam_true_ad, &text ); 422 if ( bas->bas_rc != LDAP_SUCCESS ) { 423 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 424 "unable to fetch attribute \"%s\": %s (%d)\n", 425 buf, text, rc ); 426 return BACKSQL_AVL_STOP; 427 } 428 } 429 430 ber_str2bv( at_row.cols[ 1 ], 0, 1, &at_map->bam_sel_expr ); 431 if ( at_row.value_len[ 8 ] <= 0 ) { 432 BER_BVZERO( &at_map->bam_sel_expr_u ); 433 434 } else { 435 ber_str2bv( at_row.cols[ 8 ], 0, 1, 436 &at_map->bam_sel_expr_u ); 437 } 438 439 ber_str2bv( at_row.cols[ 2 ], 0, 0, &bv ); 440 backsql_merge_from_clause( bas->bas_bi, &bb, &bv ); 441 at_map->bam_from_tbls = bb.bb_val; 442 if ( at_row.value_len[ 3 ] <= 0 ) { 443 BER_BVZERO( &at_map->bam_join_where ); 444 445 } else { 446 ber_str2bv( at_row.cols[ 3 ], 0, 1, 447 &at_map->bam_join_where ); 448 } 449 at_map->bam_add_proc = NULL; 450 if ( at_row.value_len[ 4 ] > 0 ) { 451 at_map->bam_add_proc = ch_strdup( at_row.cols[ 4 ] ); 452 } 453 at_map->bam_delete_proc = NULL; 454 if ( at_row.value_len[ 5 ] > 0 ) { 455 at_map->bam_delete_proc = ch_strdup( at_row.cols[ 5 ] ); 456 } 457 if ( lutil_atoix( &at_map->bam_param_order, at_row.cols[ 6 ], 0 ) != 0 ) { 458 /* error */ 459 } 460 if ( lutil_atoix( &at_map->bam_expect_return, at_row.cols[ 7 ], 0 ) != 0 ) { 461 /* error */ 462 } 463 backsql_make_attr_query( bas->bas_bi, oc_map, at_map ); 464 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 465 "preconstructed query \"%s\"\n", 466 at_map->bam_query, 0, 0 ); 467 at_map->bam_next = NULL; 468 if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) { 469 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 470 "duplicate attribute \"%s\" " 471 "in objectClass \"%s\" map\n", 472 at_map->bam_ad->ad_cname.bv_val, 473 oc_map->bom_oc->soc_cname.bv_val, 0 ); 474 } 475 476 if ( !BER_BVISNULL( &bas->bas_bi->sql_upper_func ) && 477 BER_BVISNULL( &at_map->bam_sel_expr_u ) ) 478 { 479 struct berbuf bb = BB_NULL; 480 481 backsql_strfcat_x( &bb, NULL, "bcbc", 482 &bas->bas_bi->sql_upper_func, 483 '(' /* ) */ , 484 &at_map->bam_sel_expr, 485 /* ( */ ')' ); 486 at_map->bam_sel_expr_u = bb.bb_val; 487 } 488 } 489 backsql_FreeRow( &at_row ); 490 SQLFreeStmt( bas->bas_sth, SQL_CLOSE ); 491 492 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(\"%s\"): " 493 "autoadding 'objectClass' and 'ref' mappings\n", 494 BACKSQL_OC_NAME( oc_map ), 0, 0 ); 495 496 (void)backsql_add_sysmaps( bas->bas_bi, oc_map ); 497 498 return BACKSQL_AVL_CONTINUE; 499 } 500 501 502 int 503 backsql_load_schema_map( backsql_info *bi, SQLHDBC dbh ) 504 { 505 SQLHSTMT sth = SQL_NULL_HSTMT; 506 RETCODE rc; 507 BACKSQL_ROW_NTS oc_row; 508 backsql_key_t oc_id; 509 backsql_oc_map_rec *oc_map; 510 struct backsql_attr_schema_info bas; 511 512 int delete_proc_idx = 5; 513 int create_hint_idx = delete_proc_idx + 2; 514 515 Debug( LDAP_DEBUG_TRACE, "==>backsql_load_schema_map()\n", 0, 0, 0 ); 516 517 /* 518 * TimesTen : See if the ldap_entries.dn_ru field exists in the schema 519 */ 520 if ( !BACKSQL_DONTCHECK_LDAPINFO_DN_RU( bi ) ) { 521 rc = backsql_Prepare( dbh, &sth, 522 backsql_check_dn_ru_query, 0 ); 523 if ( rc == SQL_SUCCESS ) { 524 /* Yes, the field exists */ 525 bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU; 526 Debug( LDAP_DEBUG_TRACE, "ldapinfo.dn_ru field exists " 527 "in the schema\n", 0, 0, 0 ); 528 } else { 529 /* No such field exists */ 530 bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU; 531 } 532 533 SQLFreeStmt( sth, SQL_DROP ); 534 } 535 536 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): oc_query \"%s\"\n", 537 bi->sql_oc_query, 0, 0 ); 538 539 rc = backsql_Prepare( dbh, &sth, bi->sql_oc_query, 0 ); 540 if ( rc != SQL_SUCCESS ) { 541 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 542 "error preparing oc_query: \"%s\"\n", 543 bi->sql_oc_query, 0, 0 ); 544 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 545 return LDAP_OTHER; 546 } 547 548 rc = SQLExecute( sth ); 549 if ( rc != SQL_SUCCESS ) { 550 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 551 "error executing oc_query: \n", 0, 0, 0 ); 552 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 553 return LDAP_OTHER; 554 } 555 556 backsql_BindRowAsStrings( sth, &oc_row ); 557 rc = SQLFetch( sth ); 558 559 if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) { 560 delete_proc_idx++; 561 create_hint_idx++; 562 } 563 564 for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) { 565 { 566 struct { 567 int idx; 568 char *name; 569 } required[] = { 570 { 0, "id" }, 571 { 1, "name" }, 572 { 2, "keytbl" }, 573 { 3, "keycol" }, 574 { -1, "expect_return" }, 575 { -1, NULL }, 576 }; 577 int i; 578 579 required[4].idx = delete_proc_idx + 1; 580 581 for ( i = 0; required[ i ].name != NULL; i++ ) { 582 if ( oc_row.value_len[ required[ i ].idx ] <= 0 ) { 583 Debug( LDAP_DEBUG_ANY, 584 "backsql_load_schema_map(): " 585 "required column #%d \"%s\" is empty\n", 586 required[ i ].idx, required[ i ].name, 0 ); 587 return LDAP_OTHER; 588 } 589 } 590 } 591 592 { 593 char buf[ SLAP_TEXT_BUFLEN ]; 594 595 snprintf( buf, sizeof( buf ), 596 "objectClass: " 597 "id=\"%s\" " 598 "name=\"%s\" " 599 "keytbl=\"%s\" " 600 "keycol=\"%s\" " 601 "create_proc=\"%s\" " 602 "create_keyval=\"%s\" " 603 "delete_proc=\"%s\" " 604 "expect_return=\"%s\"" 605 "create_hint=\"%s\" ", 606 oc_row.cols[ 0 ], 607 oc_row.cols[ 1 ], 608 oc_row.cols[ 2 ], 609 oc_row.cols[ 3 ], 610 oc_row.cols[ 4 ] ? oc_row.cols[ 4 ] : "", 611 ( BACKSQL_CREATE_NEEDS_SELECT( bi ) && oc_row.cols[ 5 ] ) ? oc_row.cols[ 5 ] : "", 612 oc_row.cols[ delete_proc_idx ] ? oc_row.cols[ delete_proc_idx ] : "", 613 oc_row.cols[ delete_proc_idx + 1 ], 614 ( ( oc_row.ncols > create_hint_idx ) && oc_row.cols[ create_hint_idx ] ) ? oc_row.cols[ create_hint_idx ] : "" ); 615 Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 ); 616 } 617 618 oc_map = (backsql_oc_map_rec *)ch_calloc( 1, 619 sizeof( backsql_oc_map_rec ) ); 620 621 if ( BACKSQL_STR2ID( &oc_map->bom_id, oc_row.cols[ 0 ], 0 ) != 0 ) { 622 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 623 "unable to parse id=\"%s\"\n", 624 oc_row.cols[ 0 ], 0, 0 ); 625 return LDAP_OTHER; 626 } 627 628 oc_map->bom_oc = oc_find( oc_row.cols[ 1 ] ); 629 if ( oc_map->bom_oc == NULL ) { 630 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 631 "objectClass \"%s\" is not defined in schema\n", 632 oc_row.cols[ 1 ], 0, 0 ); 633 return LDAP_OTHER; /* undefined objectClass ? */ 634 } 635 636 ber_str2bv( oc_row.cols[ 2 ], 0, 1, &oc_map->bom_keytbl ); 637 ber_str2bv( oc_row.cols[ 3 ], 0, 1, &oc_map->bom_keycol ); 638 oc_map->bom_create_proc = ( oc_row.value_len[ 4 ] <= 0 ) ? NULL 639 : ch_strdup( oc_row.cols[ 4 ] ); 640 641 if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) { 642 oc_map->bom_create_keyval = ( oc_row.value_len[ 5 ] <= 0 ) 643 ? NULL : ch_strdup( oc_row.cols[ 5 ] ); 644 } 645 oc_map->bom_delete_proc = ( oc_row.value_len[ delete_proc_idx ] <= 0 ) ? NULL 646 : ch_strdup( oc_row.cols[ delete_proc_idx ] ); 647 if ( lutil_atoix( &oc_map->bom_expect_return, oc_row.cols[ delete_proc_idx + 1 ], 0 ) != 0 ) { 648 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 649 "unable to parse expect_return=\"%s\" for objectClass \"%s\"\n", 650 oc_row.cols[ delete_proc_idx + 1 ], oc_row.cols[ 1 ], 0 ); 651 return LDAP_OTHER; 652 } 653 654 if ( ( oc_row.ncols > create_hint_idx ) && 655 ( oc_row.value_len[ create_hint_idx ] > 0 ) ) 656 { 657 const char *text; 658 659 oc_map->bom_create_hint = NULL; 660 rc = slap_str2ad( oc_row.cols[ create_hint_idx ], 661 &oc_map->bom_create_hint, &text ); 662 if ( rc != SQL_SUCCESS ) { 663 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): " 664 "error matching " 665 "AttributeDescription %s " 666 "in create_hint: %s (%d)\n", 667 oc_row.cols[ create_hint_idx ], 668 text, rc ); 669 backsql_PrintErrors( bi->sql_db_env, dbh, 670 sth, rc ); 671 return LDAP_OTHER; 672 } 673 } 674 675 /* 676 * FIXME: first attempt to check for offending 677 * instructions in {create|delete}_proc 678 */ 679 680 oc_map->bom_attrs = NULL; 681 if ( avl_insert( &bi->sql_oc_by_oc, oc_map, backsql_cmp_oc, avl_dup_error ) == -1 ) { 682 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 683 "duplicate objectClass \"%s\" in objectClass map\n", 684 oc_map->bom_oc->soc_cname.bv_val, 0, 0 ); 685 return LDAP_OTHER; 686 } 687 if ( avl_insert( &bi->sql_oc_by_id, oc_map, backsql_cmp_oc_id, avl_dup_error ) == -1 ) { 688 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 689 "duplicate objectClass \"%s\" in objectClass by ID map\n", 690 oc_map->bom_oc->soc_cname.bv_val, 0, 0 ); 691 return LDAP_OTHER; 692 } 693 oc_id = oc_map->bom_id; 694 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 695 "objectClass \"%s\":\n keytbl=\"%s\" keycol=\"%s\"\n", 696 BACKSQL_OC_NAME( oc_map ), 697 oc_map->bom_keytbl.bv_val, oc_map->bom_keycol.bv_val ); 698 if ( oc_map->bom_create_proc ) { 699 Debug( LDAP_DEBUG_TRACE, " create_proc=\"%s\"\n", 700 oc_map->bom_create_proc, 0, 0 ); 701 } 702 if ( oc_map->bom_create_keyval ) { 703 Debug( LDAP_DEBUG_TRACE, " create_keyval=\"%s\"\n", 704 oc_map->bom_create_keyval, 0, 0 ); 705 } 706 if ( oc_map->bom_create_hint ) { 707 Debug( LDAP_DEBUG_TRACE, " create_hint=\"%s\"\n", 708 oc_map->bom_create_hint->ad_cname.bv_val, 709 0, 0 ); 710 } 711 if ( oc_map->bom_delete_proc ) { 712 Debug( LDAP_DEBUG_TRACE, " delete_proc=\"%s\"\n", 713 oc_map->bom_delete_proc, 0, 0 ); 714 } 715 Debug( LDAP_DEBUG_TRACE, " expect_return: " 716 "add=%d, del=%d; attributes:\n", 717 BACKSQL_IS_ADD( oc_map->bom_expect_return ), 718 BACKSQL_IS_DEL( oc_map->bom_expect_return ), 0 ); 719 } 720 721 backsql_FreeRow( &oc_row ); 722 SQLFreeStmt( sth, SQL_DROP ); 723 724 /* prepare for attribute fetching */ 725 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): at_query \"%s\"\n", 726 bi->sql_at_query, 0, 0 ); 727 728 rc = backsql_Prepare( dbh, &sth, bi->sql_at_query, 0 ); 729 if ( rc != SQL_SUCCESS ) { 730 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 731 "error preparing at_query: \"%s\"\n", 732 bi->sql_at_query, 0, 0 ); 733 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 734 return LDAP_OTHER; 735 } 736 737 rc = backsql_BindParamNumID( sth, 1, SQL_PARAM_INPUT, &oc_id ); 738 if ( rc != SQL_SUCCESS ) { 739 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 740 "error binding param \"oc_id\" for at_query\n", 0, 0, 0 ); 741 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 742 SQLFreeStmt( sth, SQL_DROP ); 743 return LDAP_OTHER; 744 } 745 746 bas.bas_bi = bi; 747 bas.bas_dbh = dbh; 748 bas.bas_sth = sth; 749 bas.bas_oc_id = &oc_id; 750 bas.bas_rc = LDAP_SUCCESS; 751 752 (void)avl_apply( bi->sql_oc_by_oc, backsql_oc_get_attr_mapping, 753 &bas, BACKSQL_AVL_STOP, AVL_INORDER ); 754 755 SQLFreeStmt( sth, SQL_DROP ); 756 757 bi->sql_flags |= BSQLF_SCHEMA_LOADED; 758 759 Debug( LDAP_DEBUG_TRACE, "<==backsql_load_schema_map()\n", 0, 0, 0 ); 760 761 return bas.bas_rc; 762 } 763 764 backsql_oc_map_rec * 765 backsql_oc2oc( backsql_info *bi, ObjectClass *oc ) 766 { 767 backsql_oc_map_rec tmp, *res; 768 769 #ifdef BACKSQL_TRACE 770 Debug( LDAP_DEBUG_TRACE, "==>backsql_oc2oc(): " 771 "searching for objectclass with name=\"%s\"\n", 772 oc->soc_cname.bv_val, 0, 0 ); 773 #endif /* BACKSQL_TRACE */ 774 775 tmp.bom_oc = oc; 776 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc ); 777 #ifdef BACKSQL_TRACE 778 if ( res != NULL ) { 779 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): " 780 "found name=\"%s\", id=%d\n", 781 BACKSQL_OC_NAME( res ), res->bom_id, 0 ); 782 } else { 783 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): " 784 "not found\n", 0, 0, 0 ); 785 } 786 #endif /* BACKSQL_TRACE */ 787 788 return res; 789 } 790 791 backsql_oc_map_rec * 792 backsql_name2oc( backsql_info *bi, struct berval *oc_name ) 793 { 794 backsql_oc_map_rec tmp, *res; 795 796 #ifdef BACKSQL_TRACE 797 Debug( LDAP_DEBUG_TRACE, "==>oc_with_name(): " 798 "searching for objectclass with name=\"%s\"\n", 799 oc_name->bv_val, 0, 0 ); 800 #endif /* BACKSQL_TRACE */ 801 802 tmp.bom_oc = oc_bvfind( oc_name ); 803 if ( tmp.bom_oc == NULL ) { 804 return NULL; 805 } 806 807 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc ); 808 #ifdef BACKSQL_TRACE 809 if ( res != NULL ) { 810 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): " 811 "found name=\"%s\", id=%d\n", 812 BACKSQL_OC_NAME( res ), res->bom_id, 0 ); 813 } else { 814 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): " 815 "not found\n", 0, 0, 0 ); 816 } 817 #endif /* BACKSQL_TRACE */ 818 819 return res; 820 } 821 822 backsql_oc_map_rec * 823 backsql_id2oc( backsql_info *bi, unsigned long id ) 824 { 825 backsql_oc_map_rec tmp, *res; 826 827 #ifdef BACKSQL_TRACE 828 Debug( LDAP_DEBUG_TRACE, "==>oc_with_id(): " 829 "searching for objectclass with id=%lu\n", id, 0, 0 ); 830 #endif /* BACKSQL_TRACE */ 831 832 tmp.bom_id = id; 833 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_id, &tmp, 834 backsql_cmp_oc_id ); 835 836 #ifdef BACKSQL_TRACE 837 if ( res != NULL ) { 838 Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): " 839 "found name=\"%s\", id=%lu\n", 840 BACKSQL_OC_NAME( res ), res->bom_id, 0 ); 841 } else { 842 Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): " 843 "id=%lu not found\n", res->bom_id, 0, 0 ); 844 } 845 #endif /* BACKSQL_TRACE */ 846 847 return res; 848 } 849 850 backsql_at_map_rec * 851 backsql_ad2at( backsql_oc_map_rec* objclass, AttributeDescription *ad ) 852 { 853 backsql_at_map_rec tmp = { 0 }, *res; 854 855 #ifdef BACKSQL_TRACE 856 Debug( LDAP_DEBUG_TRACE, "==>backsql_ad2at(): " 857 "searching for attribute \"%s\" for objectclass \"%s\"\n", 858 ad->ad_cname.bv_val, BACKSQL_OC_NAME( objclass ), 0 ); 859 #endif /* BACKSQL_TRACE */ 860 861 tmp.bam_ad = ad; 862 res = (backsql_at_map_rec *)avl_find( objclass->bom_attrs, &tmp, 863 backsql_cmp_attr ); 864 865 #ifdef BACKSQL_TRACE 866 if ( res != NULL ) { 867 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): " 868 "found name=\"%s\", sel_expr=\"%s\"\n", 869 res->bam_ad->ad_cname.bv_val, 870 res->bam_sel_expr.bv_val, 0 ); 871 } else { 872 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): " 873 "not found\n", 0, 0, 0 ); 874 } 875 #endif /* BACKSQL_TRACE */ 876 877 return res; 878 } 879 880 /* attributeType inheritance */ 881 struct supad2at_t { 882 backsql_at_map_rec **ret; 883 AttributeDescription *ad; 884 unsigned n; 885 }; 886 887 #define SUPAD2AT_STOP (-1) 888 889 static int 890 supad2at_f( void *v_at, void *v_arg ) 891 { 892 backsql_at_map_rec *at = (backsql_at_map_rec *)v_at; 893 struct supad2at_t *va = (struct supad2at_t *)v_arg; 894 895 if ( is_at_subtype( at->bam_ad->ad_type, va->ad->ad_type ) ) { 896 backsql_at_map_rec **ret = NULL; 897 unsigned i; 898 899 /* if already listed, holler! (should never happen) */ 900 if ( va->ret ) { 901 for ( i = 0; i < va->n; i++ ) { 902 if ( va->ret[ i ]->bam_ad == at->bam_ad ) { 903 break; 904 } 905 } 906 907 if ( i < va->n ) { 908 return 0; 909 } 910 } 911 912 ret = ch_realloc( va->ret, 913 sizeof( backsql_at_map_rec * ) * ( va->n + 2 ) ); 914 if ( ret == NULL ) { 915 ch_free( va->ret ); 916 va->ret = NULL; 917 va->n = 0; 918 return SUPAD2AT_STOP; 919 } 920 921 ret[ va->n ] = at; 922 va->n++; 923 ret[ va->n ] = NULL; 924 va->ret = ret; 925 } 926 927 return 0; 928 } 929 930 /* 931 * stores in *pret a NULL terminated array of pointers 932 * to backsql_at_map_rec whose attributeType is supad->ad_type 933 * or derived from it 934 */ 935 int 936 backsql_supad2at( backsql_oc_map_rec *objclass, AttributeDescription *supad, 937 backsql_at_map_rec ***pret ) 938 { 939 struct supad2at_t va = { 0 }; 940 int rc; 941 942 assert( objclass != NULL ); 943 assert( supad != NULL ); 944 assert( pret != NULL ); 945 946 *pret = NULL; 947 948 va.ad = supad; 949 950 rc = avl_apply( objclass->bom_attrs, supad2at_f, &va, 951 SUPAD2AT_STOP, AVL_INORDER ); 952 if ( rc == SUPAD2AT_STOP ) { 953 return -1; 954 } 955 956 *pret = va.ret; 957 958 return 0; 959 } 960 961 static void 962 backsql_free_attr( void *v_at ) 963 { 964 backsql_at_map_rec *at = v_at; 965 966 Debug( LDAP_DEBUG_TRACE, "==>free_attr(): \"%s\"\n", 967 at->bam_ad->ad_cname.bv_val, 0, 0 ); 968 ch_free( at->bam_sel_expr.bv_val ); 969 if ( !BER_BVISNULL( &at->bam_from_tbls ) ) { 970 ch_free( at->bam_from_tbls.bv_val ); 971 } 972 if ( !BER_BVISNULL( &at->bam_join_where ) ) { 973 ch_free( at->bam_join_where.bv_val ); 974 } 975 if ( at->bam_add_proc != NULL ) { 976 ch_free( at->bam_add_proc ); 977 } 978 if ( at->bam_delete_proc != NULL ) { 979 ch_free( at->bam_delete_proc ); 980 } 981 if ( at->bam_query != NULL ) { 982 ch_free( at->bam_query ); 983 } 984 985 #ifdef BACKSQL_COUNTQUERY 986 if ( at->bam_countquery != NULL ) { 987 ch_free( at->bam_countquery ); 988 } 989 #endif /* BACKSQL_COUNTQUERY */ 990 991 /* TimesTen */ 992 if ( !BER_BVISNULL( &at->bam_sel_expr_u ) ) { 993 ch_free( at->bam_sel_expr_u.bv_val ); 994 } 995 996 if ( at->bam_next ) { 997 backsql_free_attr( at->bam_next ); 998 } 999 1000 ch_free( at ); 1001 1002 Debug( LDAP_DEBUG_TRACE, "<==free_attr()\n", 0, 0, 0 ); 1003 } 1004 1005 static void 1006 backsql_free_oc( void *v_oc ) 1007 { 1008 backsql_oc_map_rec *oc = v_oc; 1009 1010 Debug( LDAP_DEBUG_TRACE, "==>free_oc(): \"%s\"\n", 1011 BACKSQL_OC_NAME( oc ), 0, 0 ); 1012 avl_free( oc->bom_attrs, backsql_free_attr ); 1013 ch_free( oc->bom_keytbl.bv_val ); 1014 ch_free( oc->bom_keycol.bv_val ); 1015 if ( oc->bom_create_proc != NULL ) { 1016 ch_free( oc->bom_create_proc ); 1017 } 1018 if ( oc->bom_create_keyval != NULL ) { 1019 ch_free( oc->bom_create_keyval ); 1020 } 1021 if ( oc->bom_delete_proc != NULL ) { 1022 ch_free( oc->bom_delete_proc ); 1023 } 1024 ch_free( oc ); 1025 1026 Debug( LDAP_DEBUG_TRACE, "<==free_oc()\n", 0, 0, 0 ); 1027 } 1028 1029 int 1030 backsql_destroy_schema_map( backsql_info *bi ) 1031 { 1032 Debug( LDAP_DEBUG_TRACE, "==>destroy_schema_map()\n", 0, 0, 0 ); 1033 avl_free( bi->sql_oc_by_oc, 0 ); 1034 avl_free( bi->sql_oc_by_id, backsql_free_oc ); 1035 Debug( LDAP_DEBUG_TRACE, "<==destroy_schema_map()\n", 0, 0, 0 ); 1036 return 0; 1037 } 1038 1039