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 2001-2004 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( 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 static struct restricted_ops_t {
  50         struct berval   op;
  51         unsigned int    tag;
  52 } restricted_ops[] = {
  53         { BER_BVC( "add" ),                     SLAP_RESTRICT_OP_ADD },
  54         { BER_BVC( "bind" ),                    SLAP_RESTRICT_OP_BIND },
  55         { BER_BVC( "compare" ),                 SLAP_RESTRICT_OP_COMPARE },
  56         { BER_BVC( "delete" ),                  SLAP_RESTRICT_OP_DELETE },
  57         { BER_BVC( "extended" ),                SLAP_RESTRICT_OP_EXTENDED },
  58         { BER_BVC( "modify" ),                  SLAP_RESTRICT_OP_MODIFY },
  59         { BER_BVC( "rename" ),                  SLAP_RESTRICT_OP_RENAME },
  60         { BER_BVC( "search" ),                  SLAP_RESTRICT_OP_SEARCH },
  61         { BER_BVNULL,                           0 }
  62 }, restricted_exops[] = {
  63         { BER_BVC( LDAP_EXOP_START_TLS ),       SLAP_RESTRICT_EXOP_START_TLS },
  64         { BER_BVC( LDAP_EXOP_MODIFY_PASSWD ),   SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
  65         { BER_BVC( LDAP_EXOP_X_WHO_AM_I ),      SLAP_RESTRICT_EXOP_WHOAMI },
  66         { BER_BVC( LDAP_EXOP_X_CANCEL ),        SLAP_RESTRICT_EXOP_CANCEL },
  67         { BER_BVNULL,                           0 }
  68 };
  69
  70 static int
  71 init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  72 {
  73         struct berval   *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ?
  74                 (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv;
  75
  76         return attr_merge_one( e, mi->mi_ad_readOnly, tf, NULL );
  77 }
  78
  79 static int
  80 init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  81 {
  82         int     i, rc;
  83
  84         for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) {
  85                 if ( restrictops & restricted_ops[ i ].tag ) {
  86                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
  87                                         &restricted_ops[ i ].op, NULL );
  88                         if ( rc ) {
  89                                 return rc;
  90                         }
  91                 }
  92         }
  93
  94         for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
  95                 if ( restrictops & restricted_exops[ i ].tag ) {
  96                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
  97                                         &restricted_exops[ i ].op, NULL );
  98                         if ( rc ) {
  99                                 return rc;
 100                         }
 101                 }
 102         }
 103
 104         return LDAP_SUCCESS;
 105 }
 106
 107 int
 108 monitor_subsys_database_init(
 109         BackendDB               *be,
 110         monitor_subsys_t        *ms
 111 )
 112 {
 113         monitor_info_t          *mi;
 114         Entry                   *e_database, **ep;
 115         int                     i;
 116         monitor_entry_t         *mp;
 117         monitor_subsys_t        *ms_backend,
 118                                 *ms_overlay;
 119
 120         assert( be != NULL );
 121
 122         mi = ( monitor_info_t * )be->be_private;
 123
 124         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 125         if ( ms_backend == NULL ) {
 126                 Debug( LDAP_DEBUG_ANY,
 127                         "monitor_subsys_database_init: "
 128                         "unable to get "
 129                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 130                         "subsystem\n",
 131                         0, 0, 0 );
 132                 return -1;
 133         }
 134
 135         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 136         if ( ms_overlay == NULL ) {
 137                 Debug( LDAP_DEBUG_ANY,
 138                         "monitor_subsys_database_init: "
 139                         "unable to get "
 140                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 141                         "subsystem\n",
 142                         0, 0, 0 );
 143                 return -1;
 144         }
 145
 146         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 147                 Debug( LDAP_DEBUG_ANY,
 148                         "monitor_subsys_database_init: "
 149                         "unable to get entry \"%s\"\n",
 150                         ms->mss_ndn.bv_val, 0, 0 );
 151                 return( -1 );
 152         }
 153
 154         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 155         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 156
 157         mp = ( monitor_entry_t * )e_database->e_private;
 158         mp->mp_children = NULL;
 159         ep = &mp->mp_children;
 160
 161         for ( i = 0; i < nBackendDB; i++ ) {
 162                 char            buf[ BACKMONITOR_BUFSIZE ];
 163                 int             j;
 164                 slap_overinfo   *oi = NULL;
 165                 BackendInfo     *bi;
 166                 Entry           *e;
 167
 168                 be = &backendDB[ i ];
 169
 170                 bi = be->bd_info;
 171
 172                 if ( overlay_is_over( be ) ) {
 173                         oi = (slap_overinfo *)be->bd_info->bi_private;
 174                         bi = oi->oi_orig;
 175                 }
 176
 177                 /* Subordinates are not exposed as their own naming context */
 178                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 179                         continue;
 180                 }
 181
 182                 snprintf( buf, sizeof( buf ),
 183                                 "dn: cn=Database %d,%s\n"
 184                                 "objectClass: %s\n"
 185                                 "structuralObjectClass: %s\n"
 186                                 "cn: Database %d\n"
 187                                 "description: This object contains the type of the database.\n"
 188                                 "%s: %s\n"
 189                                 "creatorsName: %s\n"
 190                                 "modifiersName: %s\n"
 191                                 "createTimestamp: %s\n"
 192                                 "modifyTimestamp: %s\n",
 193                                 i,
 194                                 ms->mss_dn.bv_val,
 195                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 196                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 197                                 i,
 198                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 199                                 bi->bi_type,
 200                                 mi->mi_creatorsName.bv_val,
 201                                 mi->mi_creatorsName.bv_val,
 202                                 mi->mi_startTime.bv_val,
 203                                 mi->mi_startTime.bv_val );
 204
 205                 e = str2entry( buf );
 206                 if ( e == NULL ) {
 207                         Debug( LDAP_DEBUG_ANY,
 208                                 "monitor_subsys_database_init: "
 209                                 "unable to create entry \"cn=Database %d,%s\"\n",
 210                                 i, ms->mss_dn.bv_val, 0 );
 211                         return( -1 );
 212                 }
 213
 214                 if ( SLAP_MONITOR(be) ) {
 215                         attr_merge( e, slap_schema.si_ad_monitorContext,
 216                                         be->be_suffix, be->be_nsuffix );
 217                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 218                                         be->be_suffix, be->be_nsuffix );
 219
 220                 } else {
 221                         attr_merge( e, slap_schema.si_ad_namingContexts,
 222                                         be->be_suffix, be->be_nsuffix );
 223                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 224                                         be->be_suffix, be->be_nsuffix );
 225                 }
 226
 227                 (void)init_readOnly( mi, e, be->be_restrictops );
 228                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 229
 230                 if ( oi != NULL ) {
 231                         slap_overinst   *on = oi->oi_list,
 232                                         *on1 = on;
 233
 234                         for ( ; on; on = on->on_next ) {
 235                                 struct berval           bv;
 236                                 slap_overinst           *on2;
 237
 238                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 239                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 240                                                 break;
 241                                         }
 242                                 }
 243
 244                                 if ( on2 != on ) {
 245                                         break;
 246                                 }
 247
 248                                 bv.bv_val = on->on_bi.bi_type;
 249                                 bv.bv_len = strlen( bv.bv_val );
 250                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 251                                                 &bv, NULL );
 252
 253                                 /* find the overlay number, j */
 254                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 255                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 256                                                 break;
 257                                         }
 258                                 }
 259                                 assert( on2 );
 260
 261                                 snprintf( buf, sizeof( buf ),
 262                                         "cn=Overlay %d,%s",
 263                                         j, ms_overlay->mss_dn.bv_val );
 264                                 bv.bv_val = buf;
 265                                 bv.bv_len = strlen( buf );
 266                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 267                                                 &bv, NULL );
 268                         }
 269                 }
 270
 271 #if defined(SLAPD_BDB) || defined(SLAPD_HDB)
 272                 if ( strcmp( bi->bi_type, "bdb" ) == 0
 273                                 || strcmp( bi->bi_type, "hdb" ) == 0 )
 274                 {
 275                         struct berval   bv;
 276                         ber_len_t       pathlen = 0, len = 0;
 277                         char            path[ PATH_MAX ] = { '\0' };
 278                         char            *fname = NULL;
 279
 280                         if ( strcmp( bi->bi_type, "bdb" ) == 0
 281                                         || strcmp( bi->bi_type, "hdb" ) == 0 )
 282                         {
 283                                 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 284
 285                                 fname = bdb->bi_dbenv_home;
 286 #if 0
 287                         } else if ( strcmp( bi->bi_type, "ldbm" ) == 0 ) {
 288                                 struct ldbminfo *ldbm = (struct ldbminfo *) be->be_private;
 289
 290                                 /* FIXME: there's a conflict
 291                                  * between back-bdb.h and back.ldbm.h;
 292                                  * anyway, this code will be moved
 293                                  * to the backends as soon as the
 294                                  * issue with filtering on namingContexts
 295                                  * is fixed */
 296                                 fname = ldbm->li_directory;
 297 #endif
 298                         }
 299
 300                         len = strlen( fname );
 301                         if ( fname[ 0 ] != '/' ) {
 302                                 /* get full path name */
 303                                 getcwd( path, sizeof( path ) );
 304                                 pathlen = strlen( path );
 305
 306                                 if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
 307                                         fname += 2;
 308                                         len -= 2;
 309                                 }
 310                         }
 311
 312                         bv.bv_len = STRLENOF( "file://" ) + pathlen
 313                                 + STRLENOF( "/" ) + len;
 314                         bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
 315                         AC_MEMCPY( bv.bv_val, "file://", STRLENOF( "file://" ) );
 316                         if ( pathlen ) {
 317                                 AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) ],
 318                                                 path, pathlen );
 319                                 bv.bv_val[ STRLENOF( "file://" ) + pathlen ] = '/';
 320                                 pathlen++;
 321                         }
 322                         AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) + pathlen ],
 323                                         fname, len );
 324                         if ( bv.bv_val[ bv.bv_len - 1 ] != '/' ) {
 325                                 bv.bv_val[ bv.bv_len ] = '/';
 326                                 bv.bv_len++;
 327                         }
 328                         bv.bv_val[ bv.bv_len ] = '\0';
 329
 330                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 331                                         &bv, NULL );
 332
 333                         ch_free( bv.bv_val );
 334                 }
 335 #endif /* defined(SLAPD_LDAP) || defined(SLAPD_HDB) */
 336
 337 #if defined(SLAPD_LDAP)
 338                 if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 339                         struct ldapinfo         *li = (struct ldapinfo *)be->be_private;
 340                         struct berval           bv;
 341
 342                         bv.bv_val = li->url;
 343                         bv.bv_len = strlen( bv.bv_val );
 344                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 345                                         &bv, NULL );
 346                 }
 347 #endif /* defined(SLAPD_LDAP) */
 348
 349                 for ( j = 0; j < nBackendInfo; j++ ) {
 350                         if ( backendInfo[ j ].bi_type == bi->bi_type ) {
 351                                 struct berval           bv;
 352
 353                                 snprintf( buf, sizeof( buf ),
 354                                         "cn=Backend %d,%s",
 355                                         j, ms_backend->mss_dn.bv_val );
 356                                 bv.bv_val = buf;
 357                                 bv.bv_len = strlen( buf );
 358                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 359                                                 &bv, NULL );
 360                                 break;
 361                         }
 362                 }
 363                 /* we must find it! */
 364                 assert( j >= 0 );
 365
 366                 mp = monitor_entrypriv_create();
 367                 if ( mp == NULL ) {
 368                         return -1;
 369                 }
 370                 e->e_private = ( void * )mp;
 371                 mp->mp_info = ms;
 372                 mp->mp_flags = ms->mss_flags
 373                         | MONITOR_F_SUB;
 374
 375                 if ( monitor_cache_add( mi, e ) ) {
 376                         Debug( LDAP_DEBUG_ANY,
 377                                 "monitor_subsys_database_init: "
 378                                 "unable to add entry \"cn=Database %d,%s\"\n",
 379                                 i, ms->mss_dn.bv_val, 0 );
 380                         return( -1 );
 381                 }
 382
 383 #if defined(LDAP_SLAPI)
 384                 monitor_back_add_plugin( be, e );
 385 #endif /* defined(LDAP_SLAPI) */
 386
 387                 if ( oi != NULL ) {
 388                         Entry           **ep_overlay = &mp->mp_children;
 389                         monitor_entry_t *mp_overlay;
 390                         slap_overinst   *on = oi->oi_list;
 391                         int             o;
 392
 393                         for ( o = 0; on; o++, on = on->on_next ) {
 394                                 Entry                   *e_overlay;
 395                                 slap_overinst           *on2;
 396
 397                                 /* find the overlay number, j */
 398                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 399                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 400                                                 break;
 401                                         }
 402                                 }
 403                                 assert( on2 );
 404
 405                                 snprintf( buf, sizeof( buf ),
 406                                                 "dn: cn=Overlay %d,cn=Database %d,%s\n"
 407                                                 "objectClass: %s\n"
 408                                                 "structuralObjectClass: %s\n"
 409                                                 "cn: Overlay %d\n"
 410                                                 "description: This object contains the type of the overlay.\n"
 411                                                 "%s: %s\n"
 412                                                 "seeAlso: cn=Overlay %d,%s\n"
 413                                                 "creatorsName: %s\n"
 414                                                 "modifiersName: %s\n"
 415                                                 "createTimestamp: %s\n"
 416                                                 "modifyTimestamp: %s\n",
 417                                                 o,
 418                                                 i,
 419                                                 ms->mss_dn.bv_val,
 420                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 421                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 422                                                 o,
 423                                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 424                                                 on->on_bi.bi_type,
 425                                                 j,
 426                                                 ms_overlay->mss_dn.bv_val,
 427                                                 mi->mi_creatorsName.bv_val,
 428                                                 mi->mi_creatorsName.bv_val,
 429                                                 mi->mi_startTime.bv_val,
 430                                                 mi->mi_startTime.bv_val );
 431
 432                                 e_overlay = str2entry( buf );
 433                                 if ( e_overlay == NULL ) {
 434                                         Debug( LDAP_DEBUG_ANY,
 435                                                 "monitor_subsys_database_init: "
 436                                                 "unable to create entry "
 437                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 438                                                 o, i, ms->mss_dn.bv_val );
 439                                         return( -1 );
 440                                 }
 441
 442                                 mp_overlay = monitor_entrypriv_create();
 443                                 if ( mp_overlay == NULL ) {
 444                                         return -1;
 445                                 }
 446                                 e_overlay->e_private = ( void * )mp_overlay;
 447                                 mp_overlay->mp_info = ms;
 448                                 mp_overlay->mp_flags = ms->mss_flags
 449                                         | MONITOR_F_SUB;
 450
 451                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 452                                         Debug( LDAP_DEBUG_ANY,
 453                                                 "monitor_subsys_database_init: "
 454                                                 "unable to add entry "
 455                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 456                                                 o, i, ms->mss_dn.bv_val );
 457                                         return( -1 );
 458                                 }
 459
 460                                 *ep_overlay = e_overlay;
 461                                 ep_overlay = &mp_overlay->mp_next;
 462                         }
 463                 }
 464
 465                 *ep = e;
 466                 ep = &mp->mp_next;
 467         }
 468
 469         monitor_cache_release( mi, e_database );
 470
 471         return( 0 );
 472 }
 473
 474 /*
 475  * v: array of values
 476  * cur: must not contain the tags corresponding to the values in v
 477  * delta: will contain the tags corresponding to the values in v
 478  */
 479 static int
 480 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 481 {
 482         for ( ; !BER_BVISNULL( v ); v++ ) {
 483                 struct restricted_ops_t         *rops;
 484                 int                             i;
 485
 486                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 487                         rops = restricted_exops;
 488
 489                 } else {
 490                         rops = restricted_ops;
 491                 }
 492
 493                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 494                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 495                                 continue;
 496                         }
 497
 498                         if ( rops[ i ].tag & *delta ) {
 499                                 return LDAP_OTHER;
 500                         }
 501
 502                         if ( rops[ i ].tag & cur ) {
 503                                 return LDAP_OTHER;
 504                         }
 505
 506                         cur |= rops[ i ].tag;
 507                         *delta |= rops[ i ].tag;
 508
 509                         break;
 510                 }
 511
 512                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 513                         return LDAP_INVALID_SYNTAX;
 514                 }
 515         }
 516
 517         return LDAP_SUCCESS;
 518 }
 519
 520 int
 521 monitor_subsys_database_modify(
 522         Operation       *op,
 523         Entry           *e
 524 )
 525 {
 526         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 527         int             rc = LDAP_OTHER;
 528         Attribute       *save_attrs, *a;
 529         Modifications   *modlist = op->oq_modify.rs_modlist;
 530         Modifications   *ml;
 531         Backend         *be;
 532         int             ro_gotval = 1, i, n;
 533         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 534         struct berval   *tf;
 535
 536         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 537         if ( i != 1 )
 538                 return LDAP_UNWILLING_TO_PERFORM;
 539
 540         if ( n < 0 || n >= nBackendDB )
 541                 return LDAP_NO_SUCH_OBJECT;
 542
 543         /* do not allow some changes on back-monitor (needs work)... */
 544         be = &backendDB[ n ];
 545         if ( SLAP_MONITOR( be ) )
 546                 return LDAP_UNWILLING_TO_PERFORM;
 547
 548         rp_cur = be->be_restrictops;
 549
 550         save_attrs = e->e_attrs;
 551         e->e_attrs = attrs_dup( e->e_attrs );
 552
 553         for ( ml=modlist; ml; ml=ml->sml_next ) {
 554                 Modification *mod = &ml->sml_mod;
 555
 556                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 557                         int     val = -1;
 558
 559                         if ( mod->sm_values ) {
 560                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 561                                         rc = LDAP_CONSTRAINT_VIOLATION;
 562                                         goto done;
 563                                 }
 564
 565                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 566                                         val = 1;
 567
 568                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 569                                         val = 0;
 570
 571                                 } else {
 572                                         rc = LDAP_INVALID_SYNTAX;
 573                                         goto done;
 574                                 }
 575                         }
 576
 577                         switch ( mod->sm_op ) {
 578                         case LDAP_MOD_DELETE:
 579                                 if ( ro_gotval < 1 ) {
 580                                         rc = LDAP_CONSTRAINT_VIOLATION;
 581                                         goto done;
 582                                 }
 583                                 ro_gotval--;
 584
 585                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 586                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 587                                         goto done;
 588                                 }
 589
 590                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 591                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 592                                         goto done;
 593                                 }
 594
 595                                 break;
 596
 597                         case LDAP_MOD_REPLACE:
 598                                 ro_gotval = 0;
 599                                 /* fall thru */
 600
 601                         case LDAP_MOD_ADD:
 602                                 if ( ro_gotval > 0 ) {
 603                                         rc = LDAP_CONSTRAINT_VIOLATION;
 604                                         goto done;
 605                                 }
 606                                 ro_gotval++;
 607
 608                                 if ( val == 1 ) {
 609                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 610                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 611                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 612
 613                                 } else if ( val == 0 ) {
 614                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 615                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 616                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 617                                 }
 618                                 break;
 619
 620                         default:
 621                                 rc = LDAP_OTHER;
 622                                 goto done;
 623                         }
 624
 625                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 626                         slap_mask_t     mask = 0;
 627
 628                         switch ( mod->sm_op ) {
 629                         case LDAP_MOD_DELETE:
 630                                 if ( mod->sm_values == NULL ) {
 631                                         rp_delete = rp_cur;
 632                                         rp_cur = 0;
 633                                         rp_add = 0;
 634                                         break;
 635                                 }
 636                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 637                                 if ( rc == LDAP_SUCCESS ) {
 638                                         rp_delete |= mask;
 639                                         rp_add &= ~mask;
 640                                         rp_cur &= ~mask;
 641
 642                                 } else if ( rc == LDAP_OTHER ) {
 643                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 644                                 }
 645                                 break;
 646
 647                         case LDAP_MOD_REPLACE:
 648                                 rp_delete = rp_cur;
 649                                 rp_cur = 0;
 650                                 rp_add = 0;
 651                                 /* fall thru */
 652
 653                         case LDAP_MOD_ADD:
 654                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 655                                 if ( rc == LDAP_SUCCESS ) {
 656                                         rp_add |= mask;
 657                                         rp_cur |= mask;
 658                                         rp_delete &= ~mask;
 659
 660                                 } else if ( rc == LDAP_OTHER ) {
 661                                         rc = LDAP_TYPE_OR_VALUE_EXISTS;
 662                                 }
 663                                 break;
 664
 665                         default:
 666                                 rc = LDAP_OTHER;
 667                                 break;
 668                         }
 669
 670                         if ( rc != LDAP_SUCCESS ) {
 671                                 goto done;
 672                         }
 673
 674                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 675                 /* accept all operational attributes */
 676                         attr_delete( &e->e_attrs, mod->sm_desc );
 677                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 678                                 mod->sm_nvalues );
 679                         if ( rc ) {
 680                                 rc = LDAP_OTHER;
 681                                 break;
 682                         }
 683
 684                 } else {
 685                         rc = LDAP_UNWILLING_TO_PERFORM;
 686                         break;
 687                 }
 688         }
 689
 690         /* sanity checks: */
 691         if ( ro_gotval < 1 ) {
 692                 rc = LDAP_CONSTRAINT_VIOLATION;
 693                 goto done;
 694         }
 695
 696         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 697                 rc = LDAP_CONSTRAINT_VIOLATION;
 698                 goto done;
 699         }
 700
 701         if ( rp_delete & rp_add ) {
 702                 rc = LDAP_OTHER;
 703                 goto done;
 704         }
 705
 706         /* check current value of readOnly */
 707         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 708                 tf = (struct berval *)&slap_true_bv;
 709
 710         } else {
 711                 tf = (struct berval *)&slap_false_bv;
 712         }
 713
 714         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 715         if ( a == NULL ) {
 716                 rc = LDAP_OTHER;
 717                 goto done;
 718         }
 719
 720         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 721                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 722                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, NULL );
 723         }
 724
 725         if ( rc == LDAP_SUCCESS ) {
 726                 if ( rp_delete ) {
 727                         if ( rp_delete == be->be_restrictops ) {
 728                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 729
 730                         } else {
 731                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 732                                 if ( a == NULL ) {
 733                                         rc = LDAP_OTHER;
 734                                         goto done;
 735                                 }
 736
 737                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 738                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 739                                                 int     j;
 740
 741                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 742                                                         int             k;
 743
 744                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 745                                                                 continue;
 746                                                         }
 747
 748                                                         ch_free( a->a_vals[ j ].bv_val );
 749                                                         ch_free( a->a_nvals[ j ].bv_val );
 750
 751                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 752                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 753                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 754                                                         }
 755
 756                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 757                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 758                                                 }
 759                                         }
 760                                 }
 761
 762                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 763                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 764                                                 int     j;
 765
 766                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 767                                                         int             k;
 768
 769                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 770                                                                 continue;
 771                                                         }
 772
 773                                                         ch_free( a->a_vals[ j ].bv_val );
 774                                                         ch_free( a->a_nvals[ j ].bv_val );
 775
 776                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 777                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 778                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 779                                                         }
 780
 781                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 782                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 783                                                 }
 784                                         }
 785                                 }
 786                         }
 787                 }
 788
 789                 if ( rp_add ) {
 790                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 791                                 if ( rp_add & restricted_ops[ i ].tag ) {
 792                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 793                                                         &restricted_ops[ i ].op, NULL );
 794                                 }
 795                         }
 796
 797                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 798                                 if ( rp_add & restricted_exops[ i ].tag ) {
 799                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 800                                                         &restricted_exops[ i ].op, NULL );
 801                                 }
 802                         }
 803                 }
 804         }
 805
 806         be->be_restrictops = rp_cur;
 807
 808 done:;
 809         if ( rc == LDAP_SUCCESS ) {
 810                 attrs_free( save_attrs );
 811
 812         } else {
 813                 Attribute *tmp = e->e_attrs;
 814                 e->e_attrs = save_attrs;
 815                 attrs_free( tmp );
 816         }
 817         return rc;
 818 }
 819
 820 #if defined(LDAP_SLAPI)
 821 static int
 822 monitor_back_add_plugin( Backend *be, Entry *e_database )
 823 {
 824         Slapi_PBlock    *pCurrentPB;
 825         int             i, rc = LDAP_SUCCESS;
 826         monitor_info_t  *mi = ( monitor_info_t * )be->be_private;
 827
 828         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 829                 /*
 830                  * LDAP_OTHER is returned if no plugins are installed
 831                  */
 832                 rc = LDAP_OTHER;
 833                 goto done;
 834         }
 835
 836         i = 0;
 837         do {
 838                 Slapi_PluginDesc        *srchdesc;
 839                 char                    buf[ BACKMONITOR_BUFSIZE ];
 840                 struct berval           bv;
 841
 842                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 843                                 &srchdesc );
 844                 if ( rc != LDAP_SUCCESS ) {
 845                         goto done;
 846                 }
 847
 848                 snprintf( buf, sizeof(buf),
 849                                 "plugin %d name: %s; "
 850                                 "vendor: %s; "
 851                                 "version: %s; "
 852                                 "description: %s",
 853                                 i,
 854                                 srchdesc->spd_id,
 855                                 srchdesc->spd_vendor,
 856                                 srchdesc->spd_version,
 857                                 srchdesc->spd_description );
 858
 859                 bv.bv_val = buf;
 860                 bv.bv_len = strlen( buf );
 861                 attr_merge_normalize_one( e_database,
 862                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 863
 864                 i++;
 865
 866         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 867                         && ( pCurrentPB != NULL ) );
 868
 869 done:
 870         return rc;
 871 }
 872 #endif /* defined(LDAP_SLAPI) */