1 /* $NetBSD: database.c,v 1.4 2025/09/05 21:16:28 christos Exp $ */ 2 3 /* database.c - deals with database subsystem */ 4 /* $OpenLDAP$ */ 5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 2001-2024 The OpenLDAP Foundation. 8 * Portions Copyright 2001-2003 Pierangelo Masarati. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted only as authorized by the OpenLDAP 13 * Public License. 14 * 15 * A copy of this license is available in file LICENSE in the 16 * top-level directory of the distribution or, alternatively, at 17 * <http://www.OpenLDAP.org/license.html>. 18 */ 19 /* ACKNOWLEDGEMENTS: 20 * This work was initially developed by Pierangelo Masarati for inclusion 21 * in OpenLDAP Software. 22 */ 23 24 #include <sys/cdefs.h> 25 __RCSID("$NetBSD: database.c,v 1.4 2025/09/05 21:16:28 christos Exp $"); 26 27 #include "portable.h" 28 29 #include <stdio.h> 30 #include <ac/string.h> 31 #include <ac/unistd.h> 32 33 #include "slap.h" 34 #include "back-monitor.h" 35 36 #if defined(LDAP_SLAPI) 37 #include "slapi.h" 38 static int monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e ); 39 #endif /* defined(LDAP_SLAPI) */ 40 41 static int 42 monitor_subsys_database_modify( 43 Operation *op, 44 SlapReply *rs, 45 Entry *e ); 46 47 static struct restricted_ops_t { 48 struct berval op; 49 unsigned int tag; 50 } restricted_ops[] = { 51 { BER_BVC( "add" ), SLAP_RESTRICT_OP_ADD }, 52 { BER_BVC( "bind" ), SLAP_RESTRICT_OP_BIND }, 53 { BER_BVC( "compare" ), SLAP_RESTRICT_OP_COMPARE }, 54 { BER_BVC( "delete" ), SLAP_RESTRICT_OP_DELETE }, 55 { BER_BVC( "extended" ), SLAP_RESTRICT_OP_EXTENDED }, 56 { BER_BVC( "modify" ), SLAP_RESTRICT_OP_MODIFY }, 57 { BER_BVC( "rename" ), SLAP_RESTRICT_OP_RENAME }, 58 { BER_BVC( "search" ), SLAP_RESTRICT_OP_SEARCH }, 59 { BER_BVNULL, 0 } 60 }, restricted_exops[] = { 61 { BER_BVC( LDAP_EXOP_START_TLS ), SLAP_RESTRICT_EXOP_START_TLS }, 62 { BER_BVC( LDAP_EXOP_MODIFY_PASSWD ), SLAP_RESTRICT_EXOP_MODIFY_PASSWD }, 63 { BER_BVC( LDAP_EXOP_WHO_AM_I ), SLAP_RESTRICT_EXOP_WHOAMI }, 64 { BER_BVC( LDAP_EXOP_CANCEL ), SLAP_RESTRICT_EXOP_CANCEL }, 65 { BER_BVNULL, 0 } 66 }; 67 68 static int 69 init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops ) 70 { 71 struct berval *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ? 72 (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv; 73 74 return attr_merge_one( e, mi->mi_ad_readOnly, tf, NULL ); 75 } 76 77 static int 78 init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops ) 79 { 80 int i, rc; 81 82 for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) { 83 if ( restrictops & restricted_ops[ i ].tag ) { 84 rc = attr_merge_one( e, mi->mi_ad_restrictedOperation, 85 &restricted_ops[ i ].op, 86 &restricted_ops[ i ].op ); 87 if ( rc ) { 88 return rc; 89 } 90 } 91 } 92 93 for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) { 94 if ( restrictops & restricted_exops[ i ].tag ) { 95 rc = attr_merge_one( e, mi->mi_ad_restrictedOperation, 96 &restricted_exops[ i ].op, 97 &restricted_exops[ i ].op ); 98 if ( rc ) { 99 return rc; 100 } 101 } 102 } 103 104 return LDAP_SUCCESS; 105 } 106 107 static int 108 monitor_subsys_overlay_init_one( 109 monitor_info_t *mi, 110 BackendDB *be, 111 monitor_subsys_t *ms, 112 monitor_subsys_t *ms_overlay, 113 slap_overinst *on, 114 Entry *e_database, 115 Entry **ep_overlay ) 116 { 117 char buf[ BACKMONITOR_BUFSIZE ]; 118 int j, o; 119 Entry *e_overlay; 120 slap_overinst *on2; 121 slap_overinfo *oi = NULL; 122 BackendInfo *bi; 123 monitor_entry_t *mp_overlay; 124 struct berval bv; 125 126 assert( overlay_is_over( be ) ); 127 128 oi = (slap_overinfo *)be->bd_info->bi_private; 129 bi = oi->oi_orig; 130 131 /* find the overlay number, o */ 132 for ( o = 0, on2 = oi->oi_list; on2 && on2 != on; on2 = on2->on_next, o++ ) 133 ; 134 135 if ( on2 == NULL ) { 136 return -1; 137 } 138 139 /* find the overlay type number, j */ 140 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) { 141 if ( on2->on_bi.bi_type == on->on_bi.bi_type ) { 142 break; 143 } 144 } 145 assert( on2 != NULL ); 146 147 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", o ); 148 bv.bv_val = buf; 149 150 e_overlay = monitor_entry_stub( &e_database->e_name, &e_database->e_nname, &bv, 151 mi->mi_oc_monitoredObject, NULL, NULL ); 152 153 if ( e_overlay == NULL ) { 154 Debug( LDAP_DEBUG_ANY, 155 "monitor_subsys_overlay_init_one: " 156 "unable to create entry " 157 "\"cn=Overlay %d,%s\"\n", 158 o, e_database->e_name.bv_val ); 159 return( -1 ); 160 } 161 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv ); 162 attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo, &bv, NULL ); 163 164 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d,%s", 165 j, ms_overlay->mss_dn.bv_val ); 166 bv.bv_val = buf; 167 attr_merge_normalize_one( e_overlay, slap_schema.si_ad_seeAlso, 168 &bv, NULL ); 169 170 if ( SLAP_MONITOR( be ) ) { 171 attr_merge( e_overlay, slap_schema.si_ad_monitorContext, 172 be->be_suffix, be->be_nsuffix ); 173 174 } else { 175 attr_merge( e_overlay, slap_schema.si_ad_namingContexts, 176 be->be_suffix, be->be_nsuffix ); 177 } 178 179 mp_overlay = monitor_entrypriv_create(); 180 if ( mp_overlay == NULL ) { 181 return -1; 182 } 183 e_overlay->e_private = ( void * )mp_overlay; 184 mp_overlay->mp_info = ms; 185 mp_overlay->mp_flags = ms->mss_flags | MONITOR_F_SUB; 186 187 if ( monitor_cache_add( mi, e_overlay, e_database ) ) { 188 Debug( LDAP_DEBUG_ANY, 189 "monitor_subsys_overlay_init_one: " 190 "unable to add entry " 191 "\"cn=Overlay %d,%s\"\n", 192 o, e_database->e_name.bv_val ); 193 return -1; 194 } 195 196 *ep_overlay = e_overlay; 197 return 0; 198 } 199 200 static int 201 monitor_subsys_database_init_one( 202 monitor_info_t *mi, 203 BackendDB *be, 204 monitor_subsys_t *ms, 205 monitor_subsys_t *ms_backend, 206 monitor_subsys_t *ms_overlay, 207 struct berval *rdn, 208 Entry *e_database, 209 struct slap_overinst *overlay, 210 Entry **ep ) 211 { 212 char buf[ BACKMONITOR_BUFSIZE ]; 213 int j; 214 slap_overinfo *oi = NULL; 215 BackendInfo *bi, *bi2; 216 Entry *e; 217 monitor_entry_t *mp; 218 char *rdnval = strchr( rdn->bv_val, '=' ) + 1; 219 struct berval bv; 220 221 bi = be->bd_info; 222 223 if ( be->be_suffix == NULL ) { 224 Debug( LDAP_DEBUG_ANY, 225 "monitor_subsys_database_init_one: " 226 "missing suffix for %s\n", 227 rdnval ); 228 return( -1 ); 229 } 230 231 if ( overlay_is_over( be ) ) { 232 oi = (slap_overinfo *)be->bd_info->bi_private; 233 bi = oi->oi_orig; 234 } 235 236 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, rdn, 237 mi->mi_oc_monitoredObject, NULL, NULL ); 238 239 if ( e == NULL ) { 240 Debug( LDAP_DEBUG_ANY, 241 "monitor_subsys_database_init_one: " 242 "unable to create entry \"%s,%s\"\n", 243 rdn->bv_val, ms->mss_dn.bv_val ); 244 return( -1 ); 245 } 246 247 ber_str2bv( bi->bi_type, 0, 0, &bv ); 248 attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL ); 249 attr_merge_one( e, mi->mi_ad_monitorIsShadow, 250 SLAP_SHADOW( be ) ? (struct berval *)&slap_true_bv : 251 (struct berval *)&slap_false_bv, NULL ); 252 253 if ( SLAP_MONITOR( be ) ) { 254 attr_merge( e, slap_schema.si_ad_monitorContext, 255 be->be_suffix, be->be_nsuffix ); 256 attr_merge( e_database, slap_schema.si_ad_monitorContext, 257 be->be_suffix, be->be_nsuffix ); 258 259 } else { 260 attr_merge( e, slap_schema.si_ad_namingContexts, 261 be->be_suffix, be->be_nsuffix ); 262 attr_merge( e_database, slap_schema.si_ad_namingContexts, 263 be->be_suffix, be->be_nsuffix ); 264 265 if ( SLAP_GLUE_SUBORDINATE( be ) ) { 266 BackendDB *sup_be = select_backend( &be->be_nsuffix[ 0 ], 1 ); 267 if ( sup_be == NULL ) { 268 Debug( LDAP_DEBUG_ANY, 269 "monitor_subsys_database_init: " 270 "unable to get superior for %s\n", 271 be->be_suffix[ 0 ].bv_val ); 272 273 } else { 274 attr_merge( e, mi->mi_ad_monitorSuperiorDN, 275 sup_be->be_suffix, sup_be->be_nsuffix ); 276 } 277 } 278 } 279 280 (void)init_readOnly( mi, e, be->be_restrictops ); 281 (void)init_restrictedOperation( mi, e, be->be_restrictops ); 282 283 if ( SLAP_SHADOW( be ) && be->be_update_refs ) { 284 attr_merge_normalize( e, mi->mi_ad_monitorUpdateRef, 285 be->be_update_refs, NULL ); 286 } 287 288 if ( oi != NULL ) { 289 slap_overinst *on = oi->oi_list, 290 *on1 = on; 291 292 for ( ; on; on = on->on_next ) { 293 slap_overinst *on2; 294 295 for ( on2 = on1; on2 != on; on2 = on2->on_next ) { 296 if ( on2->on_bi.bi_type == on->on_bi.bi_type ) { 297 break; 298 } 299 } 300 301 if ( on2 != on ) { 302 break; 303 } 304 305 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv ); 306 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay, 307 &bv, NULL ); 308 309 /* find the overlay number, j */ 310 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) { 311 if ( on2->on_bi.bi_type == on->on_bi.bi_type ) { 312 break; 313 } 314 } 315 assert( on2 != NULL ); 316 317 snprintf( buf, sizeof( buf ), 318 "cn=Overlay %d,%s", 319 j, ms_overlay->mss_dn.bv_val ); 320 ber_str2bv( buf, 0, 0, &bv ); 321 attr_merge_normalize_one( e, 322 slap_schema.si_ad_seeAlso, 323 &bv, NULL ); 324 } 325 } 326 327 j = -1; 328 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) { 329 j++; 330 if ( bi2->bi_type == bi->bi_type ) { 331 snprintf( buf, sizeof( buf ), 332 "cn=Backend %d,%s", 333 j, ms_backend->mss_dn.bv_val ); 334 bv.bv_val = buf; 335 bv.bv_len = strlen( buf ); 336 attr_merge_normalize_one( e, 337 slap_schema.si_ad_seeAlso, 338 &bv, NULL ); 339 break; 340 } 341 } 342 /* we must find it! */ 343 assert( j >= 0 ); 344 345 mp = monitor_entrypriv_create(); 346 if ( mp == NULL ) { 347 return -1; 348 } 349 e->e_private = ( void * )mp; 350 mp->mp_info = ms; 351 mp->mp_flags = ms->mss_flags 352 | MONITOR_F_SUB; 353 mp->mp_private = be; 354 355 if ( monitor_cache_add( mi, e, e_database ) ) { 356 Debug( LDAP_DEBUG_ANY, 357 "monitor_subsys_database_init_one: " 358 "unable to add entry \"%s,%s\"\n", 359 rdn->bv_val, ms->mss_dn.bv_val ); 360 return( -1 ); 361 } 362 363 #if defined(LDAP_SLAPI) 364 monitor_back_add_plugin( mi, be, e ); 365 #endif /* defined(LDAP_SLAPI) */ 366 367 if ( oi != NULL ) { 368 Entry *e_overlay; 369 slap_overinst *on = oi->oi_list; 370 371 for ( ; on; on = on->on_next ) { 372 monitor_subsys_overlay_init_one( mi, be, 373 ms, ms_overlay, on, e, &e_overlay ); 374 if ( overlay == on ) { 375 *ep = e_overlay; 376 } 377 } 378 } 379 if ( overlay == NULL ) { 380 *ep = e; 381 } 382 383 return 0; 384 } 385 386 static int 387 monitor_back_register_database_and_overlay( 388 BackendDB *be, 389 struct slap_overinst *on, 390 struct berval *ndn_out ) 391 { 392 monitor_info_t *mi; 393 Entry *e_database, *e = NULL; 394 int i, rc; 395 monitor_entry_t *mp; 396 monitor_subsys_t *ms_backend, 397 *ms_database, 398 *ms_overlay; 399 struct berval bv; 400 char buf[ BACKMONITOR_BUFSIZE ]; 401 402 assert( be_monitor != NULL ); 403 404 if ( !monitor_subsys_is_opened() ) { 405 if ( on ) { 406 return monitor_back_register_overlay_limbo( be, on, ndn_out ); 407 408 } else { 409 return monitor_back_register_database_limbo( be, ndn_out ); 410 } 411 } 412 413 mi = ( monitor_info_t * )be_monitor->be_private; 414 415 ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME ); 416 if ( ms_backend == NULL ) { 417 Debug( LDAP_DEBUG_ANY, 418 "monitor_back_register_database: " 419 "unable to get " 420 "\"" SLAPD_MONITOR_BACKEND_NAME "\" " 421 "subsystem\n" ); 422 return -1; 423 } 424 425 ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME ); 426 if ( ms_database == NULL ) { 427 Debug( LDAP_DEBUG_ANY, 428 "monitor_back_register_database: " 429 "unable to get " 430 "\"" SLAPD_MONITOR_DATABASE_NAME "\" " 431 "subsystem\n" ); 432 return -1; 433 } 434 435 ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME ); 436 if ( ms_overlay == NULL ) { 437 Debug( LDAP_DEBUG_ANY, 438 "monitor_back_register_database: " 439 "unable to get " 440 "\"" SLAPD_MONITOR_OVERLAY_NAME "\" " 441 "subsystem\n" ); 442 return -1; 443 } 444 445 if ( monitor_cache_get( mi, &ms_database->mss_ndn, &e_database ) ) { 446 Debug( LDAP_DEBUG_ANY, 447 "monitor_subsys_database_init: " 448 "unable to get entry \"%s\"\n", 449 ms_database->mss_ndn.bv_val ); 450 return( -1 ); 451 } 452 453 /* FIXME: It's only safe since we're paused */ 454 mp = ( monitor_entry_t * )e_database->e_private; 455 for ( i = -1, e = mp->mp_children; e; i++ ) { 456 mp = ( monitor_entry_t * )e->e_private; 457 458 assert( mp != NULL ); 459 if ( mp->mp_private == be->bd_self ) { 460 rc = 0; 461 goto done; 462 } 463 e = mp->mp_next; 464 } 465 466 bv.bv_val = buf; 467 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Database %d", i ); 468 if ( bv.bv_len >= sizeof( buf ) ) { 469 rc = -1; 470 goto done; 471 } 472 473 rc = monitor_subsys_database_init_one( mi, be, 474 ms_database, ms_backend, ms_overlay, &bv, e_database, on, &e ); 475 if ( rc != 0 ) { 476 goto done; 477 } 478 479 done:; 480 monitor_cache_release( mi, e_database ); 481 if ( rc == 0 && ndn_out && e ) { 482 *ndn_out = e->e_nname; 483 } 484 485 return rc; 486 } 487 488 int 489 monitor_back_register_database( 490 BackendDB *be, 491 struct berval *ndn_out ) 492 { 493 return monitor_back_register_database_and_overlay( be, NULL, ndn_out ); 494 } 495 496 int 497 monitor_back_register_overlay( 498 BackendDB *be, 499 struct slap_overinst *on, 500 struct berval *ndn_out ) 501 { 502 return monitor_back_register_database_and_overlay( be, on, ndn_out ); 503 } 504 505 int 506 monitor_subsys_database_init( 507 BackendDB *be, 508 monitor_subsys_t *ms ) 509 { 510 monitor_info_t *mi; 511 Entry *e_database, *e; 512 int i, rc; 513 monitor_subsys_t *ms_backend, 514 *ms_overlay; 515 struct berval bv; 516 517 assert( be != NULL ); 518 519 ms->mss_modify = monitor_subsys_database_modify; 520 521 mi = ( monitor_info_t * )be->be_private; 522 523 ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME ); 524 if ( ms_backend == NULL ) { 525 Debug( LDAP_DEBUG_ANY, 526 "monitor_subsys_database_init: " 527 "unable to get " 528 "\"" SLAPD_MONITOR_BACKEND_NAME "\" " 529 "subsystem\n" ); 530 return -1; 531 } 532 533 ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME ); 534 if ( ms_overlay == NULL ) { 535 Debug( LDAP_DEBUG_ANY, 536 "monitor_subsys_database_init: " 537 "unable to get " 538 "\"" SLAPD_MONITOR_OVERLAY_NAME "\" " 539 "subsystem\n" ); 540 return -1; 541 } 542 543 if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) { 544 Debug( LDAP_DEBUG_ANY, 545 "monitor_subsys_database_init: " 546 "unable to get entry \"%s\"\n", 547 ms->mss_ndn.bv_val ); 548 return( -1 ); 549 } 550 551 (void)init_readOnly( mi, e_database, frontendDB->be_restrictops ); 552 (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops ); 553 554 BER_BVSTR( &bv, "cn=Frontend" ); 555 rc = monitor_subsys_database_init_one( mi, frontendDB, 556 ms, ms_backend, ms_overlay, &bv, e_database, NULL, &e ); 557 if ( rc != 0 ) { 558 return rc; 559 } 560 561 i = -1; 562 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) { 563 char buf[ BACKMONITOR_BUFSIZE ]; 564 565 bv.bv_val = buf; 566 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Database %d", ++i ); 567 if ( bv.bv_len >= sizeof( buf ) ) { 568 return -1; 569 } 570 571 rc = monitor_subsys_database_init_one( mi, be, 572 ms, ms_backend, ms_overlay, &bv, e_database, NULL, &e ); 573 if ( rc != 0 ) { 574 return rc; 575 } 576 } 577 578 monitor_cache_release( mi, e_database ); 579 580 return( 0 ); 581 } 582 583 /* 584 * v: array of values 585 * cur: must not contain the tags corresponding to the values in v 586 * delta: will contain the tags corresponding to the values in v 587 */ 588 static int 589 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta ) 590 { 591 for ( ; !BER_BVISNULL( v ); v++ ) { 592 struct restricted_ops_t *rops; 593 int i; 594 595 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) { 596 rops = restricted_exops; 597 598 } else { 599 rops = restricted_ops; 600 } 601 602 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) { 603 if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) { 604 continue; 605 } 606 607 if ( rops[ i ].tag & *delta ) { 608 return LDAP_OTHER; 609 } 610 611 if ( rops[ i ].tag & cur ) { 612 return LDAP_OTHER; 613 } 614 615 cur |= rops[ i ].tag; 616 *delta |= rops[ i ].tag; 617 618 break; 619 } 620 621 if ( BER_BVISNULL( &rops[ i ].op ) ) { 622 return LDAP_INVALID_SYNTAX; 623 } 624 } 625 626 return LDAP_SUCCESS; 627 } 628 629 static int 630 monitor_subsys_database_modify( 631 Operation *op, 632 SlapReply *rs, 633 Entry *e ) 634 { 635 monitor_info_t *mi = (monitor_info_t *)op->o_bd->be_private; 636 int rc = LDAP_OTHER; 637 Attribute *save_attrs, *a; 638 Modifications *ml; 639 Backend *be; 640 int ro_gotval = 1, i, n; 641 slap_mask_t rp_add = 0, rp_delete = 0, rp_cur; 642 struct berval *tf; 643 644 i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n ); 645 if ( i != 1 ) { 646 return SLAP_CB_CONTINUE; 647 } 648 649 if ( n < 0 || n >= nBackendDB ) { 650 rs->sr_text = "invalid database index"; 651 return ( rs->sr_err = LDAP_NO_SUCH_OBJECT ); 652 } 653 654 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) { 655 if ( n == 0 ) { 656 break; 657 } 658 n--; 659 } 660 /* do not allow some changes on back-monitor (needs work)... */ 661 if ( SLAP_MONITOR( be ) ) { 662 rs->sr_text = "no modifications allowed to monitor database entry"; 663 return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM ); 664 } 665 666 rp_cur = be->be_restrictops; 667 668 save_attrs = e->e_attrs; 669 e->e_attrs = attrs_dup( e->e_attrs ); 670 671 for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) { 672 Modification *mod = &ml->sml_mod; 673 674 if ( mod->sm_desc == mi->mi_ad_readOnly ) { 675 int val = -1; 676 677 if ( mod->sm_values ) { 678 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) { 679 rs->sr_text = "attempting to modify multiple values of single-valued attribute"; 680 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION; 681 goto done; 682 } 683 684 if ( bvmatch( &slap_true_bv, mod->sm_values )) { 685 val = 1; 686 687 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) { 688 val = 0; 689 690 } else { 691 assert( 0 ); 692 rc = rs->sr_err = LDAP_INVALID_SYNTAX; 693 goto done; 694 } 695 } 696 697 switch ( mod->sm_op ) { 698 case LDAP_MOD_DELETE: 699 if ( ro_gotval < 1 ) { 700 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION; 701 goto done; 702 } 703 ro_gotval--; 704 705 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) { 706 rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE; 707 goto done; 708 } 709 710 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) { 711 rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE; 712 goto done; 713 } 714 715 break; 716 717 case LDAP_MOD_REPLACE: 718 ro_gotval = 0; 719 /* fall thru */ 720 721 case LDAP_MOD_ADD: 722 if ( ro_gotval > 0 ) { 723 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION; 724 goto done; 725 } 726 ro_gotval++; 727 728 if ( val == 1 ) { 729 rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES; 730 rp_cur |= SLAP_RESTRICT_OP_WRITES; 731 rp_delete &= ~SLAP_RESTRICT_OP_WRITES; 732 733 } else if ( val == 0 ) { 734 rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES; 735 rp_cur &= ~SLAP_RESTRICT_OP_WRITES; 736 rp_add &= ~SLAP_RESTRICT_OP_WRITES; 737 } 738 break; 739 740 default: 741 rc = rs->sr_err = LDAP_OTHER; 742 goto done; 743 } 744 745 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) { 746 slap_mask_t mask = 0; 747 748 switch ( mod->sm_op ) { 749 case LDAP_MOD_DELETE: 750 if ( mod->sm_values == NULL ) { 751 rp_delete = rp_cur; 752 rp_cur = 0; 753 rp_add = 0; 754 break; 755 } 756 rc = value_mask( mod->sm_values, ~rp_cur, &mask ); 757 if ( rc == LDAP_SUCCESS ) { 758 rp_delete |= mask; 759 rp_add &= ~mask; 760 rp_cur &= ~mask; 761 762 } else if ( rc == LDAP_OTHER ) { 763 rc = LDAP_NO_SUCH_ATTRIBUTE; 764 } 765 break; 766 767 case LDAP_MOD_REPLACE: 768 rp_delete = rp_cur; 769 rp_cur = 0; 770 rp_add = 0; 771 /* fall thru */ 772 773 case LDAP_MOD_ADD: 774 rc = value_mask( mod->sm_values, rp_cur, &mask ); 775 if ( rc == LDAP_SUCCESS ) { 776 rp_add |= mask; 777 rp_cur |= mask; 778 rp_delete &= ~mask; 779 780 } else if ( rc == LDAP_OTHER ) { 781 rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS; 782 } 783 break; 784 785 default: 786 rc = rs->sr_err = LDAP_OTHER; 787 break; 788 } 789 790 if ( rc != LDAP_SUCCESS ) { 791 goto done; 792 } 793 794 } else if ( is_at_operational( mod->sm_desc->ad_type )) { 795 /* accept all operational attributes */ 796 attr_delete( &e->e_attrs, mod->sm_desc ); 797 rc = attr_merge( e, mod->sm_desc, mod->sm_values, 798 mod->sm_nvalues ); 799 if ( rc ) { 800 rc = rs->sr_err = LDAP_OTHER; 801 break; 802 } 803 804 } else { 805 rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM; 806 break; 807 } 808 } 809 810 /* sanity checks: */ 811 if ( ro_gotval < 1 ) { 812 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION; 813 goto done; 814 } 815 816 if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) { 817 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION; 818 goto done; 819 } 820 821 if ( rp_delete & rp_add ) { 822 rc = rs->sr_err = LDAP_OTHER; 823 goto done; 824 } 825 826 /* check current value of readOnly */ 827 if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) { 828 tf = (struct berval *)&slap_true_bv; 829 830 } else { 831 tf = (struct berval *)&slap_false_bv; 832 } 833 834 a = attr_find( e->e_attrs, mi->mi_ad_readOnly ); 835 if ( a == NULL ) { 836 rc = LDAP_OTHER; 837 goto done; 838 } 839 840 if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) { 841 attr_delete( &e->e_attrs, mi->mi_ad_readOnly ); 842 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf ); 843 } 844 845 if ( rc == LDAP_SUCCESS ) { 846 if ( rp_delete ) { 847 if ( rp_delete == be->be_restrictops ) { 848 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation ); 849 850 } else { 851 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation ); 852 if ( a == NULL ) { 853 rc = rs->sr_err = LDAP_OTHER; 854 goto done; 855 } 856 857 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) { 858 if ( rp_delete & restricted_ops[ i ].tag ) { 859 int j; 860 861 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) { 862 int k; 863 864 if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) { 865 continue; 866 } 867 868 ch_free( a->a_vals[ j ].bv_val ); 869 ch_free( a->a_nvals[ j ].bv_val ); 870 871 for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) { 872 a->a_vals[ k - 1 ] = a->a_vals[ k ]; 873 a->a_nvals[ k - 1 ] = a->a_nvals[ k ]; 874 } 875 876 BER_BVZERO( &a->a_vals[ k - 1 ] ); 877 BER_BVZERO( &a->a_nvals[ k - 1 ] ); 878 a->a_numvals--; 879 } 880 } 881 } 882 883 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) { 884 if ( rp_delete & restricted_exops[ i ].tag ) { 885 int j; 886 887 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) { 888 int k; 889 890 if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) { 891 continue; 892 } 893 894 ch_free( a->a_vals[ j ].bv_val ); 895 ch_free( a->a_nvals[ j ].bv_val ); 896 897 for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) { 898 a->a_vals[ k - 1 ] = a->a_vals[ k ]; 899 a->a_nvals[ k - 1 ] = a->a_nvals[ k ]; 900 } 901 902 BER_BVZERO( &a->a_vals[ k - 1 ] ); 903 BER_BVZERO( &a->a_nvals[ k - 1 ] ); 904 a->a_numvals--; 905 } 906 } 907 } 908 909 if ( a->a_vals == NULL ) { 910 assert( a->a_numvals == 0 ); 911 912 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation ); 913 } 914 } 915 } 916 917 if ( rp_add ) { 918 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) { 919 if ( rp_add & restricted_ops[ i ].tag ) { 920 attr_merge_one( e, mi->mi_ad_restrictedOperation, 921 &restricted_ops[ i ].op, 922 &restricted_ops[ i ].op ); 923 } 924 } 925 926 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) { 927 if ( rp_add & restricted_exops[ i ].tag ) { 928 attr_merge_one( e, mi->mi_ad_restrictedOperation, 929 &restricted_exops[ i ].op, 930 &restricted_exops[ i ].op ); 931 } 932 } 933 } 934 } 935 936 be->be_restrictops = rp_cur; 937 938 done:; 939 if ( rc == LDAP_SUCCESS ) { 940 attrs_free( save_attrs ); 941 rc = SLAP_CB_CONTINUE; 942 943 } else { 944 Attribute *tmp = e->e_attrs; 945 e->e_attrs = save_attrs; 946 attrs_free( tmp ); 947 } 948 return rc; 949 } 950 951 #if defined(LDAP_SLAPI) 952 static int 953 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database ) 954 { 955 Slapi_PBlock *pCurrentPB; 956 int i, rc = LDAP_SUCCESS; 957 958 if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) { 959 /* 960 * LDAP_OTHER is returned if no plugins are installed 961 */ 962 rc = LDAP_OTHER; 963 goto done; 964 } 965 966 i = 0; 967 do { 968 Slapi_PluginDesc *srchdesc; 969 char buf[ BACKMONITOR_BUFSIZE ]; 970 struct berval bv; 971 972 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION, 973 &srchdesc ); 974 if ( rc != LDAP_SUCCESS ) { 975 goto done; 976 } 977 if ( srchdesc ) { 978 snprintf( buf, sizeof(buf), 979 "plugin %d name: %s; " 980 "vendor: %s; " 981 "version: %s; " 982 "description: %s", 983 i, 984 srchdesc->spd_id, 985 srchdesc->spd_vendor, 986 srchdesc->spd_version, 987 srchdesc->spd_description ); 988 } else { 989 snprintf( buf, sizeof(buf), 990 "plugin %d name: <no description available>", i ); 991 } 992 993 ber_str2bv( buf, 0, 0, &bv ); 994 attr_merge_normalize_one( e_database, 995 mi->mi_ad_monitoredInfo, &bv, NULL ); 996 997 i++; 998 999 } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS ) 1000 && ( pCurrentPB != NULL ) ); 1001 1002 done: 1003 return rc; 1004 } 1005 #endif /* defined(LDAP_SLAPI) */ 1006
Indexes created Wed Aug 05 00:25:39 UTC 2026