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 } 944 945