1/* $OpenLDAP$ */ 2/* This work is part of OpenLDAP Software <http://www.openldap.org/>. 3 * 4 * Copyright 1999-2011 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 */ 46static int 47backsql_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 59static int 60backsql_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 */ 71static int 72backsql_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 92int 93backsql_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 124static int 125backsql_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. 164 165 SELECT COUNT(*) FROM <from_tbls> WHERE <keytbl>.<keycol>=? 166 [ AND <join_where> ] 167 168 */ 169 BER_BVZERO( &bb.bb_val ); 170 bb.bb_len = 0; 171 backsql_strfcat_x( &bb, NULL, "lblbcbl", 172 (ber_len_t)STRLENOF( "SELECT COUNT(*) FROM " ), 173 "SELECT COUNT(*) FROM ", 174 &at_map->bam_from_tbls, 175 (ber_len_t)STRLENOF( " WHERE " ), " WHERE ", 176 &oc_map->bom_keytbl, 177 '.', 178 &oc_map->bom_keycol, 179 (ber_len_t)STRLENOF( "=?" ), "=?" ); 180 181 if ( !BER_BVISNULL( &at_map->bam_join_where ) ) { 182 backsql_strfcat_x( &bb, NULL, "lb", 183 (ber_len_t)STRLENOF( " AND " ), " AND ", 184 &at_map->bam_join_where ); 185 } 186 187 at_map->bam_countquery = bb.bb_val.bv_val; 188#endif /* BACKSQL_COUNTQUERY */ 189 190 return 0; 191} 192 193static int 194backsql_add_sysmaps( backsql_info *bi, backsql_oc_map_rec *oc_map ) 195{ 196 backsql_at_map_rec *at_map; 197 char s[LDAP_PVT_INTTYPE_CHARS(long)]; 198 struct berval sbv; 199 struct berbuf bb; 200 201 sbv.bv_val = s; 202 sbv.bv_len = snprintf( s, sizeof( s ), BACKSQL_IDNUMFMT, oc_map->bom_id ); 203 204 /* extra objectClasses */ 205 at_map = (backsql_at_map_rec *)ch_calloc(1, 206 sizeof( backsql_at_map_rec ) ); 207 at_map->bam_ad = slap_schema.si_ad_objectClass; 208 at_map->bam_true_ad = slap_schema.si_ad_objectClass; 209 ber_str2bv( "ldap_entry_objclasses.oc_name", 0, 1, 210 &at_map->bam_sel_expr ); 211 ber_str2bv( "ldap_entry_objclasses,ldap_entries", 0, 1, 212 &at_map->bam_from_tbls ); 213 214 bb.bb_len = at_map->bam_from_tbls.bv_len + 1; 215 bb.bb_val = at_map->bam_from_tbls; 216 backsql_merge_from_clause( bi, &bb, &oc_map->bom_keytbl ); 217 at_map->bam_from_tbls = bb.bb_val; 218 219 BER_BVZERO( &bb.bb_val ); 220 bb.bb_len = 0; 221 backsql_strfcat_x( &bb, NULL, "lbcblb", 222 (ber_len_t)STRLENOF( "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=" ), 223 "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=", 224 &oc_map->bom_keytbl, 225 '.', 226 &oc_map->bom_keycol, 227 (ber_len_t)STRLENOF( " and ldap_entries.oc_map_id=" ), 228 " and ldap_entries.oc_map_id=", 229 &sbv ); 230 at_map->bam_join_where = bb.bb_val; 231 232 at_map->bam_oc = oc_map->bom_oc; 233 234 at_map->bam_add_proc = NULL; 235 { 236 char tmp[STRLENOF("INSERT INTO ldap_entry_objclasses " 237 "(entry_id,oc_name) VALUES " 238 "((SELECT id FROM ldap_entries " 239 "WHERE oc_map_id= " 240 "AND keyval=?),?)") + LDAP_PVT_INTTYPE_CHARS(unsigned long)]; 241 snprintf( tmp, sizeof(tmp), 242 "INSERT INTO ldap_entry_objclasses " 243 "(entry_id,oc_name) VALUES " 244 "((SELECT id FROM ldap_entries " 245 "WHERE oc_map_id=" BACKSQL_IDNUMFMT " " 246 "AND keyval=?),?)", oc_map->bom_id ); 247 at_map->bam_add_proc = ch_strdup( tmp ); 248 } 249 250 at_map->bam_delete_proc = NULL; 251 { 252 char tmp[STRLENOF("DELETE FROM ldap_entry_objclasses " 253 "WHERE entry_id=(SELECT id FROM ldap_entries " 254 "WHERE oc_map_id= " 255 "AND keyval=?) AND oc_name=?") + LDAP_PVT_INTTYPE_CHARS(unsigned long)]; 256 snprintf( tmp, sizeof(tmp), 257 "DELETE FROM ldap_entry_objclasses " 258 "WHERE entry_id=(SELECT id FROM ldap_entries " 259 "WHERE oc_map_id=" BACKSQL_IDNUMFMT " " 260 "AND keyval=?) AND oc_name=?", 261 oc_map->bom_id ); 262 at_map->bam_delete_proc = ch_strdup( tmp ); 263 } 264 265 at_map->bam_param_order = 0; 266 at_map->bam_expect_return = 0; 267 at_map->bam_next = NULL; 268 269 backsql_make_attr_query( bi, oc_map, at_map ); 270 if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) { 271 Debug( LDAP_DEBUG_TRACE, "backsql_add_sysmaps(): " 272 "duplicate attribute \"%s\" in objectClass \"%s\" map\n", 273 at_map->bam_ad->ad_cname.bv_val, 274 oc_map->bom_oc->soc_cname.bv_val, 0 ); 275 } 276 277 /* FIXME: we need to correct the objectClass join_where 278 * after the attribute query is built */ 279 ch_free( at_map->bam_join_where.bv_val ); 280 BER_BVZERO( &bb.bb_val ); 281 bb.bb_len = 0; 282 backsql_strfcat_x( &bb, NULL, "lbcblb", 283 (ber_len_t)STRLENOF( /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=" ), 284 /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=", 285 &oc_map->bom_keytbl, 286 '.', 287 &oc_map->bom_keycol, 288 (ber_len_t)STRLENOF( " AND ldap_entries.oc_map_id=" ), 289 " AND ldap_entries.oc_map_id=", 290 &sbv ); 291 at_map->bam_join_where = bb.bb_val; 292 293 return 1; 294} 295 296struct backsql_attr_schema_info { 297 backsql_info *bas_bi; 298 SQLHDBC bas_dbh; 299 SQLHSTMT bas_sth; 300 backsql_key_t *bas_oc_id; 301 int bas_rc; 302}; 303 304static int 305backsql_oc_get_attr_mapping( void *v_oc, void *v_bas ) 306{ 307 RETCODE rc; 308 BACKSQL_ROW_NTS at_row; 309 backsql_oc_map_rec *oc_map = (backsql_oc_map_rec *)v_oc; 310 backsql_at_map_rec *at_map; 311 struct backsql_attr_schema_info *bas = (struct backsql_attr_schema_info *)v_bas; 312 313 /* bas->bas_oc_id has been bound to bas->bas_sth */ 314 *bas->bas_oc_id = oc_map->bom_id; 315 316 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 317 "executing at_query\n" 318 " \"%s\"\n" 319 " for objectClass \"%s\"\n" 320 " with param oc_id=" BACKSQL_IDNUMFMT "\n", 321 bas->bas_bi->sql_at_query, 322 BACKSQL_OC_NAME( oc_map ), 323 *bas->bas_oc_id ); 324 325 rc = SQLExecute( bas->bas_sth ); 326 if ( rc != SQL_SUCCESS ) { 327 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 328 "error executing at_query\n" 329 " \"%s\"\n" 330 " for objectClass \"%s\"\n" 331 " with param oc_id=" BACKSQL_IDNUMFMT "\n", 332 bas->bas_bi->sql_at_query, 333 BACKSQL_OC_NAME( oc_map ), 334 *bas->bas_oc_id ); 335 backsql_PrintErrors( bas->bas_bi->sql_db_env, 336 bas->bas_dbh, bas->bas_sth, rc ); 337 bas->bas_rc = LDAP_OTHER; 338 return BACKSQL_AVL_STOP; 339 } 340 341 backsql_BindRowAsStrings( bas->bas_sth, &at_row ); 342 for ( ; rc = SQLFetch( bas->bas_sth ), BACKSQL_SUCCESS( rc ); ) { 343 const char *text = NULL; 344 struct berval bv; 345 struct berbuf bb = BB_NULL; 346 AttributeDescription *ad = NULL; 347 348 { 349 struct { 350 int idx; 351 char *name; 352 } required[] = { 353 { 0, "name" }, 354 { 1, "sel_expr" }, 355 { 2, "from" }, 356 { -1, NULL }, 357 }; 358 int i; 359 360 for ( i = 0; required[ i ].name != NULL; i++ ) { 361 if ( at_row.value_len[ i ] <= 0 ) { 362 Debug( LDAP_DEBUG_ANY, 363 "backsql_oc_get_attr_mapping(): " 364 "required column #%d \"%s\" is empty\n", 365 required[ i ].idx, required[ i ].name, 0 ); 366 bas->bas_rc = LDAP_OTHER; 367 return BACKSQL_AVL_STOP; 368 } 369 } 370 } 371 372 { 373 char buf[ SLAP_TEXT_BUFLEN ]; 374 375 snprintf( buf, sizeof( buf ), 376 "attributeType: " 377 "name=\"%s\" " 378 "sel_expr=\"%s\" " 379 "from=\"%s\" " 380 "join_where=\"%s\" " 381 "add_proc=\"%s\" " 382 "delete_proc=\"%s\" " 383 "sel_expr_u=\"%s\"", 384 at_row.cols[ 0 ], 385 at_row.cols[ 1 ], 386 at_row.cols[ 2 ], 387 at_row.cols[ 3 ] ? at_row.cols[ 3 ] : "", 388 at_row.cols[ 4 ] ? at_row.cols[ 4 ] : "", 389 at_row.cols[ 5 ] ? at_row.cols[ 5 ] : "", 390 at_row.cols[ 8 ] ? at_row.cols[ 8 ] : ""); 391 Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 ); 392 } 393 394 rc = slap_str2ad( at_row.cols[ 0 ], &ad, &text ); 395 if ( rc != LDAP_SUCCESS ) { 396 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 397 "attribute \"%s\" for objectClass \"%s\" " 398 "is not defined in schema: %s\n", 399 at_row.cols[ 0 ], 400 BACKSQL_OC_NAME( oc_map ), text ); 401 bas->bas_rc = LDAP_CONSTRAINT_VIOLATION; 402 return BACKSQL_AVL_STOP; 403 } 404 at_map = (backsql_at_map_rec *)ch_calloc( 1, 405 sizeof( backsql_at_map_rec ) ); 406 at_map->bam_ad = ad; 407 at_map->bam_true_ad = ad; 408 if ( slap_syntax_is_binary( ad->ad_type->sat_syntax ) 409 && !slap_ad_is_binary( ad ) ) 410 { 411 char buf[ SLAP_TEXT_BUFLEN ]; 412 struct berval bv; 413 const char *text = NULL; 414 415 bv.bv_val = buf; 416 bv.bv_len = snprintf( buf, sizeof( buf ), "%s;binary", 417 ad->ad_cname.bv_val ); 418 at_map->bam_true_ad = NULL; 419 bas->bas_rc = slap_bv2ad( &bv, &at_map->bam_true_ad, &text ); 420 if ( bas->bas_rc != LDAP_SUCCESS ) { 421 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 422 "unable to fetch attribute \"%s\": %s (%d)\n", 423 buf, text, rc ); 424 return BACKSQL_AVL_STOP; 425 } 426 } 427 428 ber_str2bv( at_row.cols[ 1 ], 0, 1, &at_map->bam_sel_expr ); 429 if ( at_row.value_len[ 8 ] <= 0 ) { 430 BER_BVZERO( &at_map->bam_sel_expr_u ); 431 432 } else { 433 ber_str2bv( at_row.cols[ 8 ], 0, 1, 434 &at_map->bam_sel_expr_u ); 435 } 436 437 ber_str2bv( at_row.cols[ 2 ], 0, 0, &bv ); 438 backsql_merge_from_clause( bas->bas_bi, &bb, &bv ); 439 at_map->bam_from_tbls = bb.bb_val; 440 if ( at_row.value_len[ 3 ] <= 0 ) { 441 BER_BVZERO( &at_map->bam_join_where ); 442 443 } else { 444 ber_str2bv( at_row.cols[ 3 ], 0, 1, 445 &at_map->bam_join_where ); 446 } 447 at_map->bam_add_proc = NULL; 448 if ( at_row.value_len[ 4 ] > 0 ) { 449 at_map->bam_add_proc = ch_strdup( at_row.cols[ 4 ] ); 450 } 451 at_map->bam_delete_proc = NULL; 452 if ( at_row.value_len[ 5 ] > 0 ) { 453 at_map->bam_delete_proc = ch_strdup( at_row.cols[ 5 ] ); 454 } 455 if ( lutil_atoix( &at_map->bam_param_order, at_row.cols[ 6 ], 0 ) != 0 ) { 456 /* error */ 457 } 458 if ( lutil_atoix( &at_map->bam_expect_return, at_row.cols[ 7 ], 0 ) != 0 ) { 459 /* error */ 460 } 461 backsql_make_attr_query( bas->bas_bi, oc_map, at_map ); 462 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 463 "preconstructed query \"%s\"\n", 464 at_map->bam_query, 0, 0 ); 465 at_map->bam_next = NULL; 466 if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) { 467 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): " 468 "duplicate attribute \"%s\" " 469 "in objectClass \"%s\" map\n", 470 at_map->bam_ad->ad_cname.bv_val, 471 oc_map->bom_oc->soc_cname.bv_val, 0 ); 472 } 473 474 if ( !BER_BVISNULL( &bas->bas_bi->sql_upper_func ) && 475 BER_BVISNULL( &at_map->bam_sel_expr_u ) ) 476 { 477 struct berbuf bb = BB_NULL; 478 479 backsql_strfcat_x( &bb, NULL, "bcbc", 480 &bas->bas_bi->sql_upper_func, 481 '(' /* ) */ , 482 &at_map->bam_sel_expr, 483 /* ( */ ')' ); 484 at_map->bam_sel_expr_u = bb.bb_val; 485 } 486 } 487 backsql_FreeRow( &at_row ); 488 SQLFreeStmt( bas->bas_sth, SQL_CLOSE ); 489 490 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(\"%s\"): " 491 "autoadding 'objectClass' and 'ref' mappings\n", 492 BACKSQL_OC_NAME( oc_map ), 0, 0 ); 493 494 (void)backsql_add_sysmaps( bas->bas_bi, oc_map ); 495 496 return BACKSQL_AVL_CONTINUE; 497} 498 499 500int 501backsql_load_schema_map( backsql_info *bi, SQLHDBC dbh ) 502{ 503 SQLHSTMT sth = SQL_NULL_HSTMT; 504 RETCODE rc; 505 BACKSQL_ROW_NTS oc_row; 506 backsql_key_t oc_id; 507 backsql_oc_map_rec *oc_map; 508 struct backsql_attr_schema_info bas; 509 510 int delete_proc_idx = 5; 511 int create_hint_idx = delete_proc_idx + 2; 512 513 Debug( LDAP_DEBUG_TRACE, "==>backsql_load_schema_map()\n", 0, 0, 0 ); 514 515 /* 516 * TimesTen : See if the ldap_entries.dn_ru field exists in the schema 517 */ 518 if ( !BACKSQL_DONTCHECK_LDAPINFO_DN_RU( bi ) ) { 519 rc = backsql_Prepare( dbh, &sth, 520 backsql_check_dn_ru_query, 0 ); 521 if ( rc == SQL_SUCCESS ) { 522 /* Yes, the field exists */ 523 bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU; 524 Debug( LDAP_DEBUG_TRACE, "ldapinfo.dn_ru field exists " 525 "in the schema\n", 0, 0, 0 ); 526 } else { 527 /* No such field exists */ 528 bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU; 529 } 530 531 SQLFreeStmt( sth, SQL_DROP ); 532 } 533 534 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): oc_query \"%s\"\n", 535 bi->sql_oc_query, 0, 0 ); 536 537 rc = backsql_Prepare( dbh, &sth, bi->sql_oc_query, 0 ); 538 if ( rc != SQL_SUCCESS ) { 539 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 540 "error preparing oc_query: \"%s\"\n", 541 bi->sql_oc_query, 0, 0 ); 542 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 543 return LDAP_OTHER; 544 } 545 546 rc = SQLExecute( sth ); 547 if ( rc != SQL_SUCCESS ) { 548 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 549 "error executing oc_query: \n", 0, 0, 0 ); 550 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 551 return LDAP_OTHER; 552 } 553 554 backsql_BindRowAsStrings( sth, &oc_row ); 555 rc = SQLFetch( sth ); 556 557 if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) { 558 delete_proc_idx++; 559 create_hint_idx++; 560 } 561 562 for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) { 563 { 564 struct { 565 int idx; 566 char *name; 567 } required[] = { 568 { 0, "id" }, 569 { 1, "name" }, 570 { 2, "keytbl" }, 571 { 3, "keycol" }, 572 { -1, "expect_return" }, 573 { -1, NULL }, 574 }; 575 int i; 576 577 required[4].idx = delete_proc_idx + 1; 578 579 for ( i = 0; required[ i ].name != NULL; i++ ) { 580 if ( oc_row.value_len[ required[ i ].idx ] <= 0 ) { 581 Debug( LDAP_DEBUG_ANY, 582 "backsql_load_schema_map(): " 583 "required column #%d \"%s\" is empty\n", 584 required[ i ].idx, required[ i ].name, 0 ); 585 return LDAP_OTHER; 586 } 587 } 588 } 589 590 { 591 char buf[ SLAP_TEXT_BUFLEN ]; 592 593 snprintf( buf, sizeof( buf ), 594 "objectClass: " 595 "id=\"%s\" " 596 "name=\"%s\" " 597 "keytbl=\"%s\" " 598 "keycol=\"%s\" " 599 "create_proc=\"%s\" " 600 "create_keyval=\"%s\" " 601 "delete_proc=\"%s\" " 602 "expect_return=\"%s\"" 603 "create_hint=\"%s\" ", 604 oc_row.cols[ 0 ], 605 oc_row.cols[ 1 ], 606 oc_row.cols[ 2 ], 607 oc_row.cols[ 3 ], 608 oc_row.cols[ 4 ] ? oc_row.cols[ 4 ] : "", 609 ( BACKSQL_CREATE_NEEDS_SELECT( bi ) && oc_row.cols[ 5 ] ) ? oc_row.cols[ 5 ] : "", 610 oc_row.cols[ delete_proc_idx ] ? oc_row.cols[ delete_proc_idx ] : "", 611 oc_row.cols[ delete_proc_idx + 1 ], 612 ( ( oc_row.ncols > create_hint_idx ) && oc_row.cols[ create_hint_idx ] ) ? oc_row.cols[ create_hint_idx ] : "" ); 613 Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 ); 614 } 615 616 oc_map = (backsql_oc_map_rec *)ch_calloc( 1, 617 sizeof( backsql_oc_map_rec ) ); 618 619 if ( BACKSQL_STR2ID( &oc_map->bom_id, oc_row.cols[ 0 ], 0 ) != 0 ) { 620 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 621 "unable to parse id=\"%s\"\n", 622 oc_row.cols[ 0 ], 0, 0 ); 623 return LDAP_OTHER; 624 } 625 626 oc_map->bom_oc = oc_find( oc_row.cols[ 1 ] ); 627 if ( oc_map->bom_oc == NULL ) { 628 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 629 "objectClass \"%s\" is not defined in schema\n", 630 oc_row.cols[ 1 ], 0, 0 ); 631 return LDAP_OTHER; /* undefined objectClass ? */ 632 } 633 634 ber_str2bv( oc_row.cols[ 2 ], 0, 1, &oc_map->bom_keytbl ); 635 ber_str2bv( oc_row.cols[ 3 ], 0, 1, &oc_map->bom_keycol ); 636 oc_map->bom_create_proc = ( oc_row.value_len[ 4 ] <= 0 ) ? NULL 637 : ch_strdup( oc_row.cols[ 4 ] ); 638 639 if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) { 640 oc_map->bom_create_keyval = ( oc_row.value_len[ 5 ] <= 0 ) 641 ? NULL : ch_strdup( oc_row.cols[ 5 ] ); 642 } 643 oc_map->bom_delete_proc = ( oc_row.value_len[ delete_proc_idx ] <= 0 ) ? NULL 644 : ch_strdup( oc_row.cols[ delete_proc_idx ] ); 645 if ( lutil_atoix( &oc_map->bom_expect_return, oc_row.cols[ delete_proc_idx + 1 ], 0 ) != 0 ) { 646 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 647 "unable to parse expect_return=\"%s\" for objectClass \"%s\"\n", 648 oc_row.cols[ delete_proc_idx + 1 ], oc_row.cols[ 1 ], 0 ); 649 return LDAP_OTHER; 650 } 651 652 if ( ( oc_row.ncols > create_hint_idx ) && 653 ( oc_row.value_len[ create_hint_idx ] > 0 ) ) 654 { 655 const char *text; 656 657 oc_map->bom_create_hint = NULL; 658 rc = slap_str2ad( oc_row.cols[ create_hint_idx ], 659 &oc_map->bom_create_hint, &text ); 660 if ( rc != SQL_SUCCESS ) { 661 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): " 662 "error matching " 663 "AttributeDescription %s " 664 "in create_hint: %s (%d)\n", 665 oc_row.cols[ create_hint_idx ], 666 text, rc ); 667 backsql_PrintErrors( bi->sql_db_env, dbh, 668 sth, rc ); 669 return LDAP_OTHER; 670 } 671 } 672 673 /* 674 * FIXME: first attempt to check for offending 675 * instructions in {create|delete}_proc 676 */ 677 678 oc_map->bom_attrs = NULL; 679 if ( avl_insert( &bi->sql_oc_by_oc, oc_map, backsql_cmp_oc, avl_dup_error ) == -1 ) { 680 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 681 "duplicate objectClass \"%s\" in objectClass map\n", 682 oc_map->bom_oc->soc_cname.bv_val, 0, 0 ); 683 return LDAP_OTHER; 684 } 685 if ( avl_insert( &bi->sql_oc_by_id, oc_map, backsql_cmp_oc_id, avl_dup_error ) == -1 ) { 686 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 687 "duplicate objectClass \"%s\" in objectClass by ID map\n", 688 oc_map->bom_oc->soc_cname.bv_val, 0, 0 ); 689 return LDAP_OTHER; 690 } 691 oc_id = oc_map->bom_id; 692 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 693 "objectClass \"%s\":\n keytbl=\"%s\" keycol=\"%s\"\n", 694 BACKSQL_OC_NAME( oc_map ), 695 oc_map->bom_keytbl.bv_val, oc_map->bom_keycol.bv_val ); 696 if ( oc_map->bom_create_proc ) { 697 Debug( LDAP_DEBUG_TRACE, " create_proc=\"%s\"\n", 698 oc_map->bom_create_proc, 0, 0 ); 699 } 700 if ( oc_map->bom_create_keyval ) { 701 Debug( LDAP_DEBUG_TRACE, " create_keyval=\"%s\"\n", 702 oc_map->bom_create_keyval, 0, 0 ); 703 } 704 if ( oc_map->bom_create_hint ) { 705 Debug( LDAP_DEBUG_TRACE, " create_hint=\"%s\"\n", 706 oc_map->bom_create_hint->ad_cname.bv_val, 707 0, 0 ); 708 } 709 if ( oc_map->bom_delete_proc ) { 710 Debug( LDAP_DEBUG_TRACE, " delete_proc=\"%s\"\n", 711 oc_map->bom_delete_proc, 0, 0 ); 712 } 713 Debug( LDAP_DEBUG_TRACE, " expect_return: " 714 "add=%d, del=%d; attributes:\n", 715 BACKSQL_IS_ADD( oc_map->bom_expect_return ), 716 BACKSQL_IS_DEL( oc_map->bom_expect_return ), 0 ); 717 } 718 719 backsql_FreeRow( &oc_row ); 720 SQLFreeStmt( sth, SQL_DROP ); 721 722 /* prepare for attribute fetching */ 723 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): at_query \"%s\"\n", 724 bi->sql_at_query, 0, 0 ); 725 726 rc = backsql_Prepare( dbh, &sth, bi->sql_at_query, 0 ); 727 if ( rc != SQL_SUCCESS ) { 728 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 729 "error preparing at_query: \"%s\"\n", 730 bi->sql_at_query, 0, 0 ); 731 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 732 return LDAP_OTHER; 733 } 734 735 rc = backsql_BindParamNumID( sth, 1, SQL_PARAM_INPUT, &oc_id ); 736 if ( rc != SQL_SUCCESS ) { 737 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): " 738 "error binding param \"oc_id\" for at_query\n", 0, 0, 0 ); 739 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc ); 740 SQLFreeStmt( sth, SQL_DROP ); 741 return LDAP_OTHER; 742 } 743 744 bas.bas_bi = bi; 745 bas.bas_dbh = dbh; 746 bas.bas_sth = sth; 747 bas.bas_oc_id = &oc_id; 748 bas.bas_rc = LDAP_SUCCESS; 749 750 (void)avl_apply( bi->sql_oc_by_oc, backsql_oc_get_attr_mapping, 751 &bas, BACKSQL_AVL_STOP, AVL_INORDER ); 752 753 SQLFreeStmt( sth, SQL_DROP ); 754 755 bi->sql_flags |= BSQLF_SCHEMA_LOADED; 756 757 Debug( LDAP_DEBUG_TRACE, "<==backsql_load_schema_map()\n", 0, 0, 0 ); 758 759 return bas.bas_rc; 760} 761 762backsql_oc_map_rec * 763backsql_oc2oc( backsql_info *bi, ObjectClass *oc ) 764{ 765 backsql_oc_map_rec tmp, *res; 766 767#ifdef BACKSQL_TRACE 768 Debug( LDAP_DEBUG_TRACE, "==>backsql_oc2oc(): " 769 "searching for objectclass with name=\"%s\"\n", 770 oc->soc_cname.bv_val, 0, 0 ); 771#endif /* BACKSQL_TRACE */ 772 773 tmp.bom_oc = oc; 774 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc ); 775#ifdef BACKSQL_TRACE 776 if ( res != NULL ) { 777 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): " 778 "found name=\"%s\", id=%d\n", 779 BACKSQL_OC_NAME( res ), res->bom_id, 0 ); 780 } else { 781 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): " 782 "not found\n", 0, 0, 0 ); 783 } 784#endif /* BACKSQL_TRACE */ 785 786 return res; 787} 788 789backsql_oc_map_rec * 790backsql_name2oc( backsql_info *bi, struct berval *oc_name ) 791{ 792 backsql_oc_map_rec tmp, *res; 793 794#ifdef BACKSQL_TRACE 795 Debug( LDAP_DEBUG_TRACE, "==>oc_with_name(): " 796 "searching for objectclass with name=\"%s\"\n", 797 oc_name->bv_val, 0, 0 ); 798#endif /* BACKSQL_TRACE */ 799 800 tmp.bom_oc = oc_bvfind( oc_name ); 801 if ( tmp.bom_oc == NULL ) { 802 return NULL; 803 } 804 805 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc ); 806#ifdef BACKSQL_TRACE 807 if ( res != NULL ) { 808 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): " 809 "found name=\"%s\", id=%d\n", 810 BACKSQL_OC_NAME( res ), res->bom_id, 0 ); 811 } else { 812 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): " 813 "not found\n", 0, 0, 0 ); 814 } 815#endif /* BACKSQL_TRACE */ 816 817 return res; 818} 819 820backsql_oc_map_rec * 821backsql_id2oc( backsql_info *bi, unsigned long id ) 822{ 823 backsql_oc_map_rec tmp, *res; 824 825#ifdef BACKSQL_TRACE 826 Debug( LDAP_DEBUG_TRACE, "==>oc_with_id(): " 827 "searching for objectclass with id=%lu\n", id, 0, 0 ); 828#endif /* BACKSQL_TRACE */ 829 830 tmp.bom_id = id; 831 res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_id, &tmp, 832 backsql_cmp_oc_id ); 833 834#ifdef BACKSQL_TRACE 835 if ( res != NULL ) { 836 Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): " 837 "found name=\"%s\", id=%lu\n", 838 BACKSQL_OC_NAME( res ), res->bom_id, 0 ); 839 } else { 840 Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): " 841 "id=%lu not found\n", res->bom_id, 0, 0 ); 842 } 843#endif /* BACKSQL_TRACE */ 844 845 return res; 846} 847 848backsql_at_map_rec * 849backsql_ad2at( backsql_oc_map_rec* objclass, AttributeDescription *ad ) 850{ 851 backsql_at_map_rec tmp = { 0 }, *res; 852 853#ifdef BACKSQL_TRACE 854 Debug( LDAP_DEBUG_TRACE, "==>backsql_ad2at(): " 855 "searching for attribute \"%s\" for objectclass \"%s\"\n", 856 ad->ad_cname.bv_val, BACKSQL_OC_NAME( objclass ), 0 ); 857#endif /* BACKSQL_TRACE */ 858 859 tmp.bam_ad = ad; 860 res = (backsql_at_map_rec *)avl_find( objclass->bom_attrs, &tmp, 861 backsql_cmp_attr ); 862 863#ifdef BACKSQL_TRACE 864 if ( res != NULL ) { 865 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): " 866 "found name=\"%s\", sel_expr=\"%s\"\n", 867 res->bam_ad->ad_cname.bv_val, 868 res->bam_sel_expr.bv_val, 0 ); 869 } else { 870 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): " 871 "not found\n", 0, 0, 0 ); 872 } 873#endif /* BACKSQL_TRACE */ 874 875 return res; 876} 877 878/* attributeType inheritance */ 879struct supad2at_t { 880 backsql_at_map_rec **ret; 881 AttributeDescription *ad; 882 unsigned n; 883}; 884 885#define SUPAD2AT_STOP (-1) 886 887static int 888supad2at_f( void *v_at, void *v_arg ) 889{ 890 backsql_at_map_rec *at = (backsql_at_map_rec *)v_at; 891 struct supad2at_t *va = (struct supad2at_t *)v_arg; 892 893 if ( is_at_subtype( at->bam_ad->ad_type, va->ad->ad_type ) ) { 894 backsql_at_map_rec **ret = NULL; 895 unsigned i; 896 897 /* if already listed, holler! (should never happen) */ 898 if ( va->ret ) { 899 for ( i = 0; i < va->n; i++ ) { 900 if ( va->ret[ i ]->bam_ad == at->bam_ad ) { 901 break; 902 } 903 } 904 905 if ( i < va->n ) { 906 return 0; 907 } 908 } 909 910 ret = ch_realloc( va->ret, 911 sizeof( backsql_at_map_rec * ) * ( va->n + 2 ) ); 912 if ( ret == NULL ) { 913 ch_free( va->ret ); 914 va->ret = NULL; 915 va->n = 0; 916 return SUPAD2AT_STOP; 917 } 918 919 ret[ va->n ] = at; 920 va->n++; 921 ret[ va->n ] = NULL; 922 va->ret = ret; 923 } 924 925 return 0; 926} 927 928/* 929 * stores in *pret a NULL terminated array of pointers 930 * to backsql_at_map_rec whose attributeType is supad->ad_type 931 * or derived from it 932 */ 933int 934backsql_supad2at( backsql_oc_map_rec *objclass, AttributeDescription *supad, 935 backsql_at_map_rec ***pret ) 936{ 937 struct supad2at_t va = { 0 }; 938 int rc; 939 940 assert( objclass != NULL ); 941 assert( supad != NULL ); 942 assert( pret != NULL ); 943 944 *pret = NULL; 945 946 va.ad = supad; 947 948 rc = avl_apply( objclass->bom_attrs, supad2at_f, &va, 949 SUPAD2AT_STOP, AVL_INORDER ); 950 if ( rc == SUPAD2AT_STOP ) { 951 return -1; 952 } 953 954 *pret = va.ret; 955 956 return 0; 957} 958 959static void 960backsql_free_attr( void *v_at ) 961{ 962 backsql_at_map_rec *at = v_at; 963 964 Debug( LDAP_DEBUG_TRACE, "==>free_attr(): \"%s\"\n", 965 at->bam_ad->ad_cname.bv_val, 0, 0 ); 966 ch_free( at->bam_sel_expr.bv_val ); 967 if ( !BER_BVISNULL( &at->bam_from_tbls ) ) { 968 ch_free( at->bam_from_tbls.bv_val ); 969 } 970 if ( !BER_BVISNULL( &at->bam_join_where ) ) { 971 ch_free( at->bam_join_where.bv_val ); 972 } 973 if ( at->bam_add_proc != NULL ) { 974 ch_free( at->bam_add_proc ); 975 } 976 if ( at->bam_delete_proc != NULL ) { 977 ch_free( at->bam_delete_proc ); 978 } 979 if ( at->bam_query != NULL ) { 980 ch_free( at->bam_query ); 981 } 982 983#ifdef BACKSQL_COUNTQUERY 984 if ( at->bam_countquery != NULL ) { 985 ch_free( at->bam_countquery ); 986 } 987#endif /* BACKSQL_COUNTQUERY */ 988 989 /* TimesTen */ 990 if ( !BER_BVISNULL( &at->bam_sel_expr_u ) ) { 991 ch_free( at->bam_sel_expr_u.bv_val ); 992 } 993 994 if ( at->bam_next ) { 995 backsql_free_attr( at->bam_next ); 996 } 997 998 ch_free( at ); 999 1000 Debug( LDAP_DEBUG_TRACE, "<==free_attr()\n", 0, 0, 0 ); 1001} 1002 1003static void 1004backsql_free_oc( void *v_oc ) 1005{ 1006 backsql_oc_map_rec *oc = v_oc; 1007 1008 Debug( LDAP_DEBUG_TRACE, "==>free_oc(): \"%s\"\n", 1009 BACKSQL_OC_NAME( oc ), 0, 0 ); 1010 avl_free( oc->bom_attrs, backsql_free_attr ); 1011 ch_free( oc->bom_keytbl.bv_val ); 1012 ch_free( oc->bom_keycol.bv_val ); 1013 if ( oc->bom_create_proc != NULL ) { 1014 ch_free( oc->bom_create_proc ); 1015 } 1016 if ( oc->bom_create_keyval != NULL ) { 1017 ch_free( oc->bom_create_keyval ); 1018 } 1019 if ( oc->bom_delete_proc != NULL ) { 1020 ch_free( oc->bom_delete_proc ); 1021 } 1022 ch_free( oc ); 1023 1024 Debug( LDAP_DEBUG_TRACE, "<==free_oc()\n", 0, 0, 0 ); 1025} 1026 1027int 1028backsql_destroy_schema_map( backsql_info *bi ) 1029{ 1030 Debug( LDAP_DEBUG_TRACE, "==>destroy_schema_map()\n", 0, 0, 0 ); 1031 avl_free( bi->sql_oc_by_oc, 0 ); 1032 avl_free( bi->sql_oc_by_id, backsql_free_oc ); 1033 Debug( LDAP_DEBUG_TRACE, "<==destroy_schema_map()\n", 0, 0, 0 ); 1034 return 0; 1035} 1036 1037