git.sur5r.net Git - openldap/blob - servers/slapd/back-monitor/database.c

   1 /* database.c - deals with database subsystem */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2005 The OpenLDAP Foundation.
   6  * Portions Copyright 2001-2003 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Pierangelo Masarati for inclusion
  19  * in OpenLDAP Software.
  20  */
  21
  22 #include "portable.h"
  23
  24 #include <stdio.h>
  25 #include <ac/string.h>
  26 #include <ac/unistd.h>
  27
  28 #include "slap.h"
  29 #include "back-monitor.h"
  30
  31 #if defined(LDAP_SLAPI)
  32 #include "slapi.h"
  33 static int monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e );
  34 #endif /* defined(LDAP_SLAPI) */
  35
  36 #if defined(SLAPD_BDB)
  37 #include "../back-bdb/back-bdb.h"
  38 #endif /* defined(SLAPD_BDB) */
  39 #if defined(SLAPD_HDB)
  40 #include "../back-hdb/back-bdb.h"
  41 #endif /* defined(SLAPD_HDB) */
  42 #if defined(SLAPD_LDAP)
  43 #include "../back-ldap/back-ldap.h"
  44 #endif /* defined(SLAPD_LDAP) */
  45 #if 0 && defined(SLAPD_LDBM)
  46 #include "../back-ldbm/back-ldbm.h"
  47 #endif /* defined(SLAPD_LDBM) */
  48
  49 /* for PATH_MAX on some systems (e.g. Solaris) */
  50 #ifdef HAVE_LIMITS_H
  51 #include <limits.h>
  52 #endif /* HAVE_LIMITS_H */
  53 #ifndef PATH_MAX
  54 #define PATH_MAX        4095
  55 #endif /* ! PATH_MAX */
  56
  57 static struct restricted_ops_t {
  58         struct berval   op;
  59         unsigned int    tag;
  60 } restricted_ops[] = {
  61         { BER_BVC( "add" ),                     SLAP_RESTRICT_OP_ADD },
  62         { BER_BVC( "bind" ),                    SLAP_RESTRICT_OP_BIND },
  63         { BER_BVC( "compare" ),                 SLAP_RESTRICT_OP_COMPARE },
  64         { BER_BVC( "delete" ),                  SLAP_RESTRICT_OP_DELETE },
  65         { BER_BVC( "extended" ),                SLAP_RESTRICT_OP_EXTENDED },
  66         { BER_BVC( "modify" ),                  SLAP_RESTRICT_OP_MODIFY },
  67         { BER_BVC( "rename" ),                  SLAP_RESTRICT_OP_RENAME },
  68         { BER_BVC( "search" ),                  SLAP_RESTRICT_OP_SEARCH },
  69         { BER_BVNULL,                           0 }
  70 }, restricted_exops[] = {
  71         { BER_BVC( LDAP_EXOP_START_TLS ),       SLAP_RESTRICT_EXOP_START_TLS },
  72         { BER_BVC( LDAP_EXOP_MODIFY_PASSWD ),   SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
  73         { BER_BVC( LDAP_EXOP_X_WHO_AM_I ),      SLAP_RESTRICT_EXOP_WHOAMI },
  74         { BER_BVC( LDAP_EXOP_X_CANCEL ),        SLAP_RESTRICT_EXOP_CANCEL },
  75         { BER_BVNULL,                           0 }
  76 };
  77
  78 static int
  79 init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  80 {
  81         struct berval   *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ?
  82                 (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv;
  83
  84         return attr_merge_one( e, mi->mi_ad_readOnly, tf, NULL );
  85 }
  86
  87 static int
  88 init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  89 {
  90         int     i, rc;
  91
  92         for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) {
  93                 if ( restrictops & restricted_ops[ i ].tag ) {
  94                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
  95                                         &restricted_ops[ i ].op, NULL );
  96                         if ( rc ) {
  97                                 return rc;
  98                         }
  99                 }
 100         }
 101
 102         for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
 103                 if ( restrictops & restricted_exops[ i ].tag ) {
 104                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 105                                         &restricted_exops[ i ].op, NULL );
 106                         if ( rc ) {
 107                                 return rc;
 108                         }
 109                 }
 110         }
 111
 112         return LDAP_SUCCESS;
 113 }
 114
 115 int
 116 monitor_subsys_database_init(
 117         BackendDB               *be,
 118         monitor_subsys_t        *ms
 119 )
 120 {
 121         monitor_info_t          *mi;
 122         Entry                   *e_database, **ep;
 123         int                     i;
 124         monitor_entry_t         *mp;
 125         monitor_subsys_t        *ms_backend,
 126                                 *ms_overlay;
 127
 128         assert( be != NULL );
 129
 130         mi = ( monitor_info_t * )be->be_private;
 131
 132         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 133         if ( ms_backend == NULL ) {
 134                 Debug( LDAP_DEBUG_ANY,
 135                         "monitor_subsys_database_init: "
 136                         "unable to get "
 137                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 138                         "subsystem\n",
 139                         0, 0, 0 );
 140                 return -1;
 141         }
 142
 143         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 144         if ( ms_overlay == NULL ) {
 145                 Debug( LDAP_DEBUG_ANY,
 146                         "monitor_subsys_database_init: "
 147                         "unable to get "
 148                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 149                         "subsystem\n",
 150                         0, 0, 0 );
 151                 return -1;
 152         }
 153
 154         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 155                 Debug( LDAP_DEBUG_ANY,
 156                         "monitor_subsys_database_init: "
 157                         "unable to get entry \"%s\"\n",
 158                         ms->mss_ndn.bv_val, 0, 0 );
 159                 return( -1 );
 160         }
 161
 162         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 163         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 164
 165         mp = ( monitor_entry_t * )e_database->e_private;
 166         mp->mp_children = NULL;
 167         ep = &mp->mp_children;
 168
 169         i = -1;
 170         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 171                 char            buf[ BACKMONITOR_BUFSIZE ];
 172                 int             j;
 173                 slap_overinfo   *oi = NULL;
 174                 BackendInfo     *bi, *bi2;
 175                 Entry           *e;
 176
 177                 i++;
 178
 179                 bi = be->bd_info;
 180
 181                 if ( overlay_is_over( be ) ) {
 182                         oi = (slap_overinfo *)be->bd_info->bi_private;
 183                         bi = oi->oi_orig;
 184                 }
 185
 186                 /* Subordinates are not exposed as their own naming context */
 187                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 188                         continue;
 189                 }
 190
 191                 snprintf( buf, sizeof( buf ),
 192                                 "dn: cn=Database %d,%s\n"
 193                                 "objectClass: %s\n"
 194                                 "structuralObjectClass: %s\n"
 195                                 "cn: Database %d\n"
 196                                 "description: This object contains the type of the database.\n"
 197                                 "%s: %s\n"
 198                                 "creatorsName: %s\n"
 199                                 "modifiersName: %s\n"
 200                                 "createTimestamp: %s\n"
 201                                 "modifyTimestamp: %s\n",
 202                                 i,
 203                                 ms->mss_dn.bv_val,
 204                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 205                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 206                                 i,
 207                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 208                                 bi->bi_type,
 209                                 mi->mi_creatorsName.bv_val,
 210                                 mi->mi_creatorsName.bv_val,
 211                                 mi->mi_startTime.bv_val,
 212                                 mi->mi_startTime.bv_val );
 213
 214                 e = str2entry( buf );
 215                 if ( e == NULL ) {
 216                         Debug( LDAP_DEBUG_ANY,
 217                                 "monitor_subsys_database_init: "
 218                                 "unable to create entry \"cn=Database %d,%s\"\n",
 219                                 i, ms->mss_dn.bv_val, 0 );
 220                         return( -1 );
 221                 }
 222
 223                 if ( SLAP_MONITOR(be) ) {
 224                         attr_merge( e, slap_schema.si_ad_monitorContext,
 225                                         be->be_suffix, be->be_nsuffix );
 226                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 227                                         be->be_suffix, be->be_nsuffix );
 228
 229                 } else {
 230                         attr_merge( e, slap_schema.si_ad_namingContexts,
 231                                         be->be_suffix, be->be_nsuffix );
 232                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 233                                         be->be_suffix, be->be_nsuffix );
 234                 }
 235
 236                 (void)init_readOnly( mi, e, be->be_restrictops );
 237                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 238
 239                 if ( oi != NULL ) {
 240                         slap_overinst   *on = oi->oi_list,
 241                                         *on1 = on;
 242
 243                         for ( ; on; on = on->on_next ) {
 244                                 struct berval           bv;
 245                                 slap_overinst           *on2;
 246
 247                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 248                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 249                                                 break;
 250                                         }
 251                                 }
 252
 253                                 if ( on2 != on ) {
 254                                         break;
 255                                 }
 256
 257                                 bv.bv_val = on->on_bi.bi_type;
 258                                 bv.bv_len = strlen( bv.bv_val );
 259                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 260                                                 &bv, NULL );
 261
 262                                 /* find the overlay number, j */
 263                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 264                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 265                                                 break;
 266                                         }
 267                                 }
 268                                 assert( on2 );
 269
 270                                 snprintf( buf, sizeof( buf ),
 271                                         "cn=Overlay %d,%s",
 272                                         j, ms_overlay->mss_dn.bv_val );
 273                                 bv.bv_val = buf;
 274                                 bv.bv_len = strlen( buf );
 275                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 276                                                 &bv, NULL );
 277                         }
 278                 }
 279
 280 #if defined(SLAPD_BDB) || defined(SLAPD_HDB)
 281                 if ( strcmp( bi->bi_type, "bdb" ) == 0
 282                                 || strcmp( bi->bi_type, "hdb" ) == 0 )
 283                 {
 284                         struct berval   bv;
 285                         ber_len_t       pathlen = 0, len = 0;
 286                         char            path[ PATH_MAX ] = { '\0' };
 287                         char            *fname = NULL;
 288
 289                         if ( strcmp( bi->bi_type, "bdb" ) == 0
 290                                         || strcmp( bi->bi_type, "hdb" ) == 0 )
 291                         {
 292                                 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 293
 294                                 fname = bdb->bi_dbenv_home;
 295 #if 0
 296                         } else if ( strcmp( bi->bi_type, "ldbm" ) == 0 ) {
 297                                 struct ldbminfo *ldbm = (struct ldbminfo *) be->be_private;
 298
 299                                 /* FIXME: there's a conflict
 300                                  * between back-bdb.h and back.ldbm.h;
 301                                  * anyway, this code will be moved
 302                                  * to the backends as soon as the
 303                                  * issue with filtering on namingContexts
 304                                  * is fixed */
 305                                 fname = ldbm->li_directory;
 306 #endif
 307                         }
 308
 309                         len = strlen( fname );
 310                         if ( fname[ 0 ] != '/' ) {
 311                                 /* get full path name */
 312                                 getcwd( path, sizeof( path ) );
 313                                 pathlen = strlen( path );
 314
 315                                 if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
 316                                         fname += 2;
 317                                         len -= 2;
 318                                 }
 319                         }
 320
 321                         bv.bv_len = STRLENOF( "file://" ) + pathlen
 322                                 + STRLENOF( "/" ) + len;
 323                         bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
 324                         AC_MEMCPY( bv.bv_val, "file://", STRLENOF( "file://" ) );
 325                         if ( pathlen ) {
 326                                 AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) ],
 327                                                 path, pathlen );
 328                                 bv.bv_val[ STRLENOF( "file://" ) + pathlen ] = '/';
 329                                 pathlen++;
 330                         }
 331                         AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) + pathlen ],
 332                                         fname, len );
 333                         if ( bv.bv_val[ bv.bv_len - 1 ] != '/' ) {
 334                                 bv.bv_val[ bv.bv_len ] = '/';
 335                                 bv.bv_len++;
 336                         }
 337                         bv.bv_val[ bv.bv_len ] = '\0';
 338
 339                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 340                                         &bv, NULL );
 341
 342                         ch_free( bv.bv_val );
 343                 }
 344 #endif /* defined(SLAPD_LDAP) || defined(SLAPD_HDB) */
 345
 346 #if defined(SLAPD_LDAP)
 347                 if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 348                         struct ldapinfo         *li =
 349                                 (struct ldapinfo *)be->be_private;
 350                         struct berval           bv;
 351
 352                         ber_str2bv( li->url, 0, 0, &bv );
 353
 354                         attr_merge_normalize_one( e,
 355                                         slap_schema.si_ad_labeledURI,
 356                                         &bv, NULL );
 357                 }
 358 #endif /* defined(SLAPD_LDAP) */
 359
 360                 j = -1;
 361                 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
 362                         j++;
 363                         if ( bi2->bi_type == bi->bi_type ) {
 364                                 struct berval           bv;
 365
 366                                 snprintf( buf, sizeof( buf ),
 367                                         "cn=Backend %d,%s",
 368                                         j, ms_backend->mss_dn.bv_val );
 369                                 bv.bv_val = buf;
 370                                 bv.bv_len = strlen( buf );
 371                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 372                                                 &bv, NULL );
 373                                 break;
 374                         }
 375                 }
 376                 /* we must find it! */
 377                 assert( j >= 0 );
 378
 379                 mp = monitor_entrypriv_create();
 380                 if ( mp == NULL ) {
 381                         return -1;
 382                 }
 383                 e->e_private = ( void * )mp;
 384                 mp->mp_info = ms;
 385                 mp->mp_flags = ms->mss_flags
 386                         | MONITOR_F_SUB;
 387
 388                 if ( monitor_cache_add( mi, e ) ) {
 389                         Debug( LDAP_DEBUG_ANY,
 390                                 "monitor_subsys_database_init: "
 391                                 "unable to add entry \"cn=Database %d,%s\"\n",
 392                                 i, ms->mss_dn.bv_val, 0 );
 393                         return( -1 );
 394                 }
 395
 396 #if defined(LDAP_SLAPI)
 397                 monitor_back_add_plugin( mi, be, e );
 398 #endif /* defined(LDAP_SLAPI) */
 399
 400                 if ( oi != NULL ) {
 401                         Entry           **ep_overlay = &mp->mp_children;
 402                         monitor_entry_t *mp_overlay;
 403                         slap_overinst   *on = oi->oi_list;
 404                         int             o;
 405
 406                         for ( o = 0; on; o++, on = on->on_next ) {
 407                                 Entry                   *e_overlay;
 408                                 slap_overinst           *on2;
 409
 410                                 /* find the overlay number, j */
 411                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 412                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 413                                                 break;
 414                                         }
 415                                 }
 416                                 assert( on2 );
 417
 418                                 snprintf( buf, sizeof( buf ),
 419                                                 "dn: cn=Overlay %d,cn=Database %d,%s\n"
 420                                                 "objectClass: %s\n"
 421                                                 "structuralObjectClass: %s\n"
 422                                                 "cn: Overlay %d\n"
 423                                                 "description: This object contains the type of the overlay.\n"
 424                                                 "%s: %s\n"
 425                                                 "seeAlso: cn=Overlay %d,%s\n"
 426                                                 "creatorsName: %s\n"
 427                                                 "modifiersName: %s\n"
 428                                                 "createTimestamp: %s\n"
 429                                                 "modifyTimestamp: %s\n",
 430                                                 o,
 431                                                 i,
 432                                                 ms->mss_dn.bv_val,
 433                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 434                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 435                                                 o,
 436                                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 437                                                 on->on_bi.bi_type,
 438                                                 j,
 439                                                 ms_overlay->mss_dn.bv_val,
 440                                                 mi->mi_creatorsName.bv_val,
 441                                                 mi->mi_creatorsName.bv_val,
 442                                                 mi->mi_startTime.bv_val,
 443                                                 mi->mi_startTime.bv_val );
 444
 445                                 e_overlay = str2entry( buf );
 446                                 if ( e_overlay == NULL ) {
 447                                         Debug( LDAP_DEBUG_ANY,
 448                                                 "monitor_subsys_database_init: "
 449                                                 "unable to create entry "
 450                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 451                                                 o, i, ms->mss_dn.bv_val );
 452                                         return( -1 );
 453                                 }
 454
 455                                 mp_overlay = monitor_entrypriv_create();
 456                                 if ( mp_overlay == NULL ) {
 457                                         return -1;
 458                                 }
 459                                 e_overlay->e_private = ( void * )mp_overlay;
 460                                 mp_overlay->mp_info = ms;
 461                                 mp_overlay->mp_flags = ms->mss_flags
 462                                         | MONITOR_F_SUB;
 463
 464                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 465                                         Debug( LDAP_DEBUG_ANY,
 466                                                 "monitor_subsys_database_init: "
 467                                                 "unable to add entry "
 468                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 469                                                 o, i, ms->mss_dn.bv_val );
 470                                         return( -1 );
 471                                 }
 472
 473                                 *ep_overlay = e_overlay;
 474                                 ep_overlay = &mp_overlay->mp_next;
 475                         }
 476                 }
 477
 478                 *ep = e;
 479                 ep = &mp->mp_next;
 480         }
 481
 482         monitor_cache_release( mi, e_database );
 483
 484         return( 0 );
 485 }
 486
 487 /*
 488  * v: array of values
 489  * cur: must not contain the tags corresponding to the values in v
 490  * delta: will contain the tags corresponding to the values in v
 491  */
 492 static int
 493 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 494 {
 495         for ( ; !BER_BVISNULL( v ); v++ ) {
 496                 struct restricted_ops_t         *rops;
 497                 int                             i;
 498
 499                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 500                         rops = restricted_exops;
 501
 502                 } else {
 503                         rops = restricted_ops;
 504                 }
 505
 506                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 507                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 508                                 continue;
 509                         }
 510
 511                         if ( rops[ i ].tag & *delta ) {
 512                                 return LDAP_OTHER;
 513                         }
 514
 515                         if ( rops[ i ].tag & cur ) {
 516                                 return LDAP_OTHER;
 517                         }
 518
 519                         cur |= rops[ i ].tag;
 520                         *delta |= rops[ i ].tag;
 521
 522                         break;
 523                 }
 524
 525                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 526                         return LDAP_INVALID_SYNTAX;
 527                 }
 528         }
 529
 530         return LDAP_SUCCESS;
 531 }
 532
 533 int
 534 monitor_subsys_database_modify(
 535         Operation       *op,
 536         Entry           *e
 537 )
 538 {
 539         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 540         int             rc = LDAP_OTHER;
 541         Attribute       *save_attrs, *a;
 542         Modifications   *modlist = op->oq_modify.rs_modlist;
 543         Modifications   *ml;
 544         Backend         *be;
 545         int             ro_gotval = 1, i, n;
 546         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 547         struct berval   *tf;
 548
 549         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 550         if ( i != 1 )
 551                 return LDAP_UNWILLING_TO_PERFORM;
 552
 553         if ( n < 0 || n >= nBackendDB )
 554                 return LDAP_NO_SUCH_OBJECT;
 555
 556         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 557                 if ( n == 0 ) break;
 558                 n--;
 559         }
 560         /* do not allow some changes on back-monitor (needs work)... */
 561         if ( SLAP_MONITOR( be ) )
 562                 return LDAP_UNWILLING_TO_PERFORM;
 563
 564         rp_cur = be->be_restrictops;
 565
 566         save_attrs = e->e_attrs;
 567         e->e_attrs = attrs_dup( e->e_attrs );
 568
 569         for ( ml=modlist; ml; ml=ml->sml_next ) {
 570                 Modification *mod = &ml->sml_mod;
 571
 572                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 573                         int     val = -1;
 574
 575                         if ( mod->sm_values ) {
 576                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 577                                         rc = LDAP_CONSTRAINT_VIOLATION;
 578                                         goto done;
 579                                 }
 580
 581                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 582                                         val = 1;
 583
 584                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 585                                         val = 0;
 586
 587                                 } else {
 588                                         rc = LDAP_INVALID_SYNTAX;
 589                                         goto done;
 590                                 }
 591                         }
 592
 593                         switch ( mod->sm_op ) {
 594                         case LDAP_MOD_DELETE:
 595                                 if ( ro_gotval < 1 ) {
 596                                         rc = LDAP_CONSTRAINT_VIOLATION;
 597                                         goto done;
 598                                 }
 599                                 ro_gotval--;
 600
 601                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 602                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 603                                         goto done;
 604                                 }
 605
 606                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 607                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 608                                         goto done;
 609                                 }
 610
 611                                 break;
 612
 613                         case LDAP_MOD_REPLACE:
 614                                 ro_gotval = 0;
 615                                 /* fall thru */
 616
 617                         case LDAP_MOD_ADD:
 618                                 if ( ro_gotval > 0 ) {
 619                                         rc = LDAP_CONSTRAINT_VIOLATION;
 620                                         goto done;
 621                                 }
 622                                 ro_gotval++;
 623
 624                                 if ( val == 1 ) {
 625                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 626                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 627                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 628
 629                                 } else if ( val == 0 ) {
 630                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 631                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 632                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 633                                 }
 634                                 break;
 635
 636                         default:
 637                                 rc = LDAP_OTHER;
 638                                 goto done;
 639                         }
 640
 641                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 642                         slap_mask_t     mask = 0;
 643
 644                         switch ( mod->sm_op ) {
 645                         case LDAP_MOD_DELETE:
 646                                 if ( mod->sm_values == NULL ) {
 647                                         rp_delete = rp_cur;
 648                                         rp_cur = 0;
 649                                         rp_add = 0;
 650                                         break;
 651                                 }
 652                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 653                                 if ( rc == LDAP_SUCCESS ) {
 654                                         rp_delete |= mask;
 655                                         rp_add &= ~mask;
 656                                         rp_cur &= ~mask;
 657
 658                                 } else if ( rc == LDAP_OTHER ) {
 659                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 660                                 }
 661                                 break;
 662
 663                         case LDAP_MOD_REPLACE:
 664                                 rp_delete = rp_cur;
 665                                 rp_cur = 0;
 666                                 rp_add = 0;
 667                                 /* fall thru */
 668
 669                         case LDAP_MOD_ADD:
 670                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 671                                 if ( rc == LDAP_SUCCESS ) {
 672                                         rp_add |= mask;
 673                                         rp_cur |= mask;
 674                                         rp_delete &= ~mask;
 675
 676                                 } else if ( rc == LDAP_OTHER ) {
 677                                         rc = LDAP_TYPE_OR_VALUE_EXISTS;
 678                                 }
 679                                 break;
 680
 681                         default:
 682                                 rc = LDAP_OTHER;
 683                                 break;
 684                         }
 685
 686                         if ( rc != LDAP_SUCCESS ) {
 687                                 goto done;
 688                         }
 689
 690                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 691                 /* accept all operational attributes */
 692                         attr_delete( &e->e_attrs, mod->sm_desc );
 693                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 694                                 mod->sm_nvalues );
 695                         if ( rc ) {
 696                                 rc = LDAP_OTHER;
 697                                 break;
 698                         }
 699
 700                 } else {
 701                         rc = LDAP_UNWILLING_TO_PERFORM;
 702                         break;
 703                 }
 704         }
 705
 706         /* sanity checks: */
 707         if ( ro_gotval < 1 ) {
 708                 rc = LDAP_CONSTRAINT_VIOLATION;
 709                 goto done;
 710         }
 711
 712         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 713                 rc = LDAP_CONSTRAINT_VIOLATION;
 714                 goto done;
 715         }
 716
 717         if ( rp_delete & rp_add ) {
 718                 rc = LDAP_OTHER;
 719                 goto done;
 720         }
 721
 722         /* check current value of readOnly */
 723         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 724                 tf = (struct berval *)&slap_true_bv;
 725
 726         } else {
 727                 tf = (struct berval *)&slap_false_bv;
 728         }
 729
 730         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 731         if ( a == NULL ) {
 732                 rc = LDAP_OTHER;
 733                 goto done;
 734         }
 735
 736         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 737                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 738                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, NULL );
 739         }
 740
 741         if ( rc == LDAP_SUCCESS ) {
 742                 if ( rp_delete ) {
 743                         if ( rp_delete == be->be_restrictops ) {
 744                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 745
 746                         } else {
 747                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 748                                 if ( a == NULL ) {
 749                                         rc = LDAP_OTHER;
 750                                         goto done;
 751                                 }
 752
 753                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 754                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 755                                                 int     j;
 756
 757                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 758                                                         int             k;
 759
 760                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 761                                                                 continue;
 762                                                         }
 763
 764                                                         ch_free( a->a_vals[ j ].bv_val );
 765                                                         ch_free( a->a_nvals[ j ].bv_val );
 766
 767                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 768                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 769                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 770                                                         }
 771
 772                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 773                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 774                                                 }
 775                                         }
 776                                 }
 777
 778                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 779                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 780                                                 int     j;
 781
 782                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 783                                                         int             k;
 784
 785                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 786                                                                 continue;
 787                                                         }
 788
 789                                                         ch_free( a->a_vals[ j ].bv_val );
 790                                                         ch_free( a->a_nvals[ j ].bv_val );
 791
 792                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 793                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 794                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 795                                                         }
 796
 797                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 798                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 799                                                 }
 800                                         }
 801                                 }
 802                         }
 803                 }
 804
 805                 if ( rp_add ) {
 806                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 807                                 if ( rp_add & restricted_ops[ i ].tag ) {
 808                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 809                                                         &restricted_ops[ i ].op, NULL );
 810                                 }
 811                         }
 812
 813                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 814                                 if ( rp_add & restricted_exops[ i ].tag ) {
 815                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 816                                                         &restricted_exops[ i ].op, NULL );
 817                                 }
 818                         }
 819                 }
 820         }
 821
 822         be->be_restrictops = rp_cur;
 823
 824 done:;
 825         if ( rc == LDAP_SUCCESS ) {
 826                 attrs_free( save_attrs );
 827
 828         } else {
 829                 Attribute *tmp = e->e_attrs;
 830                 e->e_attrs = save_attrs;
 831                 attrs_free( tmp );
 832         }
 833         return rc;
 834 }
 835
 836 #if defined(LDAP_SLAPI)
 837 static int
 838 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
 839 {
 840         Slapi_PBlock    *pCurrentPB;
 841         int             i, rc = LDAP_SUCCESS;
 842
 843         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 844                 /*
 845                  * LDAP_OTHER is returned if no plugins are installed
 846                  */
 847                 rc = LDAP_OTHER;
 848                 goto done;
 849         }
 850
 851         i = 0;
 852         do {
 853                 Slapi_PluginDesc        *srchdesc;
 854                 char                    buf[ BACKMONITOR_BUFSIZE ];
 855                 struct berval           bv;
 856
 857                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 858                                 &srchdesc );
 859                 if ( rc != LDAP_SUCCESS ) {
 860                         goto done;
 861                 }
 862
 863                 snprintf( buf, sizeof(buf),
 864                                 "plugin %d name: %s; "
 865                                 "vendor: %s; "
 866                                 "version: %s; "
 867                                 "description: %s",
 868                                 i,
 869                                 srchdesc->spd_id,
 870                                 srchdesc->spd_vendor,
 871                                 srchdesc->spd_version,
 872                                 srchdesc->spd_description );
 873
 874                 bv.bv_val = buf;
 875                 bv.bv_len = strlen( buf );
 876                 attr_merge_normalize_one( e_database,
 877                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 878
 879                 i++;
 880
 881         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 882                         && ( pCurrentPB != NULL ) );
 883
 884 done:
 885         return rc;
 886 }
 887 #endif /* defined(LDAP_SLAPI) */