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( 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         for ( i = 0; i < nBackendDB; i++ ) {
 170                 char            buf[ BACKMONITOR_BUFSIZE ];
 171                 int             j;
 172                 slap_overinfo   *oi = NULL;
 173                 BackendInfo     *bi;
 174                 Entry           *e;
 175
 176                 be = &backendDB[ i ];
 177
 178                 bi = be->bd_info;
 179
 180                 if ( overlay_is_over( be ) ) {
 181                         oi = (slap_overinfo *)be->bd_info->bi_private;
 182                         bi = oi->oi_orig;
 183                 }
 184
 185                 /* Subordinates are not exposed as their own naming context */
 186                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 187                         continue;
 188                 }
 189
 190                 snprintf( buf, sizeof( buf ),
 191                                 "dn: cn=Database %d,%s\n"
 192                                 "objectClass: %s\n"
 193                                 "structuralObjectClass: %s\n"
 194                                 "cn: Database %d\n"
 195                                 "description: This object contains the type of the database.\n"
 196                                 "%s: %s\n"
 197                                 "creatorsName: %s\n"
 198                                 "modifiersName: %s\n"
 199                                 "createTimestamp: %s\n"
 200                                 "modifyTimestamp: %s\n",
 201                                 i,
 202                                 ms->mss_dn.bv_val,
 203                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 204                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 205                                 i,
 206                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 207                                 bi->bi_type,
 208                                 mi->mi_creatorsName.bv_val,
 209                                 mi->mi_creatorsName.bv_val,
 210                                 mi->mi_startTime.bv_val,
 211                                 mi->mi_startTime.bv_val );
 212
 213                 e = str2entry( buf );
 214                 if ( e == NULL ) {
 215                         Debug( LDAP_DEBUG_ANY,
 216                                 "monitor_subsys_database_init: "
 217                                 "unable to create entry \"cn=Database %d,%s\"\n",
 218                                 i, ms->mss_dn.bv_val, 0 );
 219                         return( -1 );
 220                 }
 221
 222                 if ( SLAP_MONITOR(be) ) {
 223                         attr_merge( e, slap_schema.si_ad_monitorContext,
 224                                         be->be_suffix, be->be_nsuffix );
 225                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 226                                         be->be_suffix, be->be_nsuffix );
 227
 228                 } else {
 229                         attr_merge( e, slap_schema.si_ad_namingContexts,
 230                                         be->be_suffix, be->be_nsuffix );
 231                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 232                                         be->be_suffix, be->be_nsuffix );
 233                 }
 234
 235                 (void)init_readOnly( mi, e, be->be_restrictops );
 236                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 237
 238                 if ( oi != NULL ) {
 239                         slap_overinst   *on = oi->oi_list,
 240                                         *on1 = on;
 241
 242                         for ( ; on; on = on->on_next ) {
 243                                 struct berval           bv;
 244                                 slap_overinst           *on2;
 245
 246                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 247                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 248                                                 break;
 249                                         }
 250                                 }
 251
 252                                 if ( on2 != on ) {
 253                                         break;
 254                                 }
 255
 256                                 bv.bv_val = on->on_bi.bi_type;
 257                                 bv.bv_len = strlen( bv.bv_val );
 258                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 259                                                 &bv, NULL );
 260
 261                                 /* find the overlay number, j */
 262                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 263                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 264                                                 break;
 265                                         }
 266                                 }
 267                                 assert( on2 );
 268
 269                                 snprintf( buf, sizeof( buf ),
 270                                         "cn=Overlay %d,%s",
 271                                         j, ms_overlay->mss_dn.bv_val );
 272                                 bv.bv_val = buf;
 273                                 bv.bv_len = strlen( buf );
 274                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 275                                                 &bv, NULL );
 276                         }
 277                 }
 278
 279 #if defined(SLAPD_BDB) || defined(SLAPD_HDB)
 280                 if ( strcmp( bi->bi_type, "bdb" ) == 0
 281                                 || strcmp( bi->bi_type, "hdb" ) == 0 )
 282                 {
 283                         struct berval   bv;
 284                         ber_len_t       pathlen = 0, len = 0;
 285                         char            path[ PATH_MAX ] = { '\0' };
 286                         char            *fname = NULL;
 287
 288                         if ( strcmp( bi->bi_type, "bdb" ) == 0
 289                                         || strcmp( bi->bi_type, "hdb" ) == 0 )
 290                         {
 291                                 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 292
 293                                 fname = bdb->bi_dbenv_home;
 294 #if 0
 295                         } else if ( strcmp( bi->bi_type, "ldbm" ) == 0 ) {
 296                                 struct ldbminfo *ldbm = (struct ldbminfo *) be->be_private;
 297
 298                                 /* FIXME: there's a conflict
 299                                  * between back-bdb.h and back.ldbm.h;
 300                                  * anyway, this code will be moved
 301                                  * to the backends as soon as the
 302                                  * issue with filtering on namingContexts
 303                                  * is fixed */
 304                                 fname = ldbm->li_directory;
 305 #endif
 306                         }
 307
 308                         len = strlen( fname );
 309                         if ( fname[ 0 ] != '/' ) {
 310                                 /* get full path name */
 311                                 getcwd( path, sizeof( path ) );
 312                                 pathlen = strlen( path );
 313
 314                                 if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
 315                                         fname += 2;
 316                                         len -= 2;
 317                                 }
 318                         }
 319
 320                         bv.bv_len = STRLENOF( "file://" ) + pathlen
 321                                 + STRLENOF( "/" ) + len;
 322                         bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
 323                         AC_MEMCPY( bv.bv_val, "file://", STRLENOF( "file://" ) );
 324                         if ( pathlen ) {
 325                                 AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) ],
 326                                                 path, pathlen );
 327                                 bv.bv_val[ STRLENOF( "file://" ) + pathlen ] = '/';
 328                                 pathlen++;
 329                         }
 330                         AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) + pathlen ],
 331                                         fname, len );
 332                         if ( bv.bv_val[ bv.bv_len - 1 ] != '/' ) {
 333                                 bv.bv_val[ bv.bv_len ] = '/';
 334                                 bv.bv_len++;
 335                         }
 336                         bv.bv_val[ bv.bv_len ] = '\0';
 337
 338                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 339                                         &bv, NULL );
 340
 341                         ch_free( bv.bv_val );
 342                 }
 343 #endif /* defined(SLAPD_LDAP) || defined(SLAPD_HDB) */
 344
 345 #if defined(SLAPD_LDAP)
 346                 if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 347                         struct ldapinfo         *li =
 348                                 (struct ldapinfo *)be->be_private;
 349                         struct berval           bv;
 350
 351                         ber_str2bv( li->url, 0, 0, &bv );
 352
 353                         attr_merge_normalize_one( e,
 354                                         slap_schema.si_ad_labeledURI,
 355                                         &bv, NULL );
 356                 }
 357 #endif /* defined(SLAPD_LDAP) */
 358
 359                 for ( j = 0; j < nBackendInfo; j++ ) {
 360                         if ( backendInfo[ j ].bi_type == bi->bi_type ) {
 361                                 struct berval           bv;
 362
 363                                 snprintf( buf, sizeof( buf ),
 364                                         "cn=Backend %d,%s",
 365                                         j, ms_backend->mss_dn.bv_val );
 366                                 bv.bv_val = buf;
 367                                 bv.bv_len = strlen( buf );
 368                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 369                                                 &bv, NULL );
 370                                 break;
 371                         }
 372                 }
 373                 /* we must find it! */
 374                 assert( j >= 0 );
 375
 376                 mp = monitor_entrypriv_create();
 377                 if ( mp == NULL ) {
 378                         return -1;
 379                 }
 380                 e->e_private = ( void * )mp;
 381                 mp->mp_info = ms;
 382                 mp->mp_flags = ms->mss_flags
 383                         | MONITOR_F_SUB;
 384
 385                 if ( monitor_cache_add( mi, e ) ) {
 386                         Debug( LDAP_DEBUG_ANY,
 387                                 "monitor_subsys_database_init: "
 388                                 "unable to add entry \"cn=Database %d,%s\"\n",
 389                                 i, ms->mss_dn.bv_val, 0 );
 390                         return( -1 );
 391                 }
 392
 393 #if defined(LDAP_SLAPI)
 394                 monitor_back_add_plugin( be, e );
 395 #endif /* defined(LDAP_SLAPI) */
 396
 397                 if ( oi != NULL ) {
 398                         Entry           **ep_overlay = &mp->mp_children;
 399                         monitor_entry_t *mp_overlay;
 400                         slap_overinst   *on = oi->oi_list;
 401                         int             o;
 402
 403                         for ( o = 0; on; o++, on = on->on_next ) {
 404                                 Entry                   *e_overlay;
 405                                 slap_overinst           *on2;
 406
 407                                 /* find the overlay number, j */
 408                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 409                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 410                                                 break;
 411                                         }
 412                                 }
 413                                 assert( on2 );
 414
 415                                 snprintf( buf, sizeof( buf ),
 416                                                 "dn: cn=Overlay %d,cn=Database %d,%s\n"
 417                                                 "objectClass: %s\n"
 418                                                 "structuralObjectClass: %s\n"
 419                                                 "cn: Overlay %d\n"
 420                                                 "description: This object contains the type of the overlay.\n"
 421                                                 "%s: %s\n"
 422                                                 "seeAlso: cn=Overlay %d,%s\n"
 423                                                 "creatorsName: %s\n"
 424                                                 "modifiersName: %s\n"
 425                                                 "createTimestamp: %s\n"
 426                                                 "modifyTimestamp: %s\n",
 427                                                 o,
 428                                                 i,
 429                                                 ms->mss_dn.bv_val,
 430                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 431                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 432                                                 o,
 433                                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 434                                                 on->on_bi.bi_type,
 435                                                 j,
 436                                                 ms_overlay->mss_dn.bv_val,
 437                                                 mi->mi_creatorsName.bv_val,
 438                                                 mi->mi_creatorsName.bv_val,
 439                                                 mi->mi_startTime.bv_val,
 440                                                 mi->mi_startTime.bv_val );
 441
 442                                 e_overlay = str2entry( buf );
 443                                 if ( e_overlay == NULL ) {
 444                                         Debug( LDAP_DEBUG_ANY,
 445                                                 "monitor_subsys_database_init: "
 446                                                 "unable to create entry "
 447                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 448                                                 o, i, ms->mss_dn.bv_val );
 449                                         return( -1 );
 450                                 }
 451
 452                                 mp_overlay = monitor_entrypriv_create();
 453                                 if ( mp_overlay == NULL ) {
 454                                         return -1;
 455                                 }
 456                                 e_overlay->e_private = ( void * )mp_overlay;
 457                                 mp_overlay->mp_info = ms;
 458                                 mp_overlay->mp_flags = ms->mss_flags
 459                                         | MONITOR_F_SUB;
 460
 461                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 462                                         Debug( LDAP_DEBUG_ANY,
 463                                                 "monitor_subsys_database_init: "
 464                                                 "unable to add entry "
 465                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 466                                                 o, i, ms->mss_dn.bv_val );
 467                                         return( -1 );
 468                                 }
 469
 470                                 *ep_overlay = e_overlay;
 471                                 ep_overlay = &mp_overlay->mp_next;
 472                         }
 473                 }
 474
 475                 *ep = e;
 476                 ep = &mp->mp_next;
 477         }
 478
 479         monitor_cache_release( mi, e_database );
 480
 481         return( 0 );
 482 }
 483
 484 /*
 485  * v: array of values
 486  * cur: must not contain the tags corresponding to the values in v
 487  * delta: will contain the tags corresponding to the values in v
 488  */
 489 static int
 490 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 491 {
 492         for ( ; !BER_BVISNULL( v ); v++ ) {
 493                 struct restricted_ops_t         *rops;
 494                 int                             i;
 495
 496                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 497                         rops = restricted_exops;
 498
 499                 } else {
 500                         rops = restricted_ops;
 501                 }
 502
 503                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 504                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 505                                 continue;
 506                         }
 507
 508                         if ( rops[ i ].tag & *delta ) {
 509                                 return LDAP_OTHER;
 510                         }
 511
 512                         if ( rops[ i ].tag & cur ) {
 513                                 return LDAP_OTHER;
 514                         }
 515
 516                         cur |= rops[ i ].tag;
 517                         *delta |= rops[ i ].tag;
 518
 519                         break;
 520                 }
 521
 522                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 523                         return LDAP_INVALID_SYNTAX;
 524                 }
 525         }
 526
 527         return LDAP_SUCCESS;
 528 }
 529
 530 int
 531 monitor_subsys_database_modify(
 532         Operation       *op,
 533         Entry           *e
 534 )
 535 {
 536         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 537         int             rc = LDAP_OTHER;
 538         Attribute       *save_attrs, *a;
 539         Modifications   *modlist = op->oq_modify.rs_modlist;
 540         Modifications   *ml;
 541         Backend         *be;
 542         int             ro_gotval = 1, i, n;
 543         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 544         struct berval   *tf;
 545
 546         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 547         if ( i != 1 )
 548                 return LDAP_UNWILLING_TO_PERFORM;
 549
 550         if ( n < 0 || n >= nBackendDB )
 551                 return LDAP_NO_SUCH_OBJECT;
 552
 553         /* do not allow some changes on back-monitor (needs work)... */
 554         be = &backendDB[ n ];
 555         if ( SLAP_MONITOR( be ) )
 556                 return LDAP_UNWILLING_TO_PERFORM;
 557
 558         rp_cur = be->be_restrictops;
 559
 560         save_attrs = e->e_attrs;
 561         e->e_attrs = attrs_dup( e->e_attrs );
 562
 563         for ( ml=modlist; ml; ml=ml->sml_next ) {
 564                 Modification *mod = &ml->sml_mod;
 565
 566                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 567                         int     val = -1;
 568
 569                         if ( mod->sm_values ) {
 570                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 571                                         rc = LDAP_CONSTRAINT_VIOLATION;
 572                                         goto done;
 573                                 }
 574
 575                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 576                                         val = 1;
 577
 578                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 579                                         val = 0;
 580
 581                                 } else {
 582                                         rc = LDAP_INVALID_SYNTAX;
 583                                         goto done;
 584                                 }
 585                         }
 586
 587                         switch ( mod->sm_op ) {
 588                         case LDAP_MOD_DELETE:
 589                                 if ( ro_gotval < 1 ) {
 590                                         rc = LDAP_CONSTRAINT_VIOLATION;
 591                                         goto done;
 592                                 }
 593                                 ro_gotval--;
 594
 595                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 596                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 597                                         goto done;
 598                                 }
 599
 600                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 601                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 602                                         goto done;
 603                                 }
 604
 605                                 break;
 606
 607                         case LDAP_MOD_REPLACE:
 608                                 ro_gotval = 0;
 609                                 /* fall thru */
 610
 611                         case LDAP_MOD_ADD:
 612                                 if ( ro_gotval > 0 ) {
 613                                         rc = LDAP_CONSTRAINT_VIOLATION;
 614                                         goto done;
 615                                 }
 616                                 ro_gotval++;
 617
 618                                 if ( val == 1 ) {
 619                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 620                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 621                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 622
 623                                 } else if ( val == 0 ) {
 624                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 625                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 626                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 627                                 }
 628                                 break;
 629
 630                         default:
 631                                 rc = LDAP_OTHER;
 632                                 goto done;
 633                         }
 634
 635                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 636                         slap_mask_t     mask = 0;
 637
 638                         switch ( mod->sm_op ) {
 639                         case LDAP_MOD_DELETE:
 640                                 if ( mod->sm_values == NULL ) {
 641                                         rp_delete = rp_cur;
 642                                         rp_cur = 0;
 643                                         rp_add = 0;
 644                                         break;
 645                                 }
 646                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 647                                 if ( rc == LDAP_SUCCESS ) {
 648                                         rp_delete |= mask;
 649                                         rp_add &= ~mask;
 650                                         rp_cur &= ~mask;
 651
 652                                 } else if ( rc == LDAP_OTHER ) {
 653                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 654                                 }
 655                                 break;
 656
 657                         case LDAP_MOD_REPLACE:
 658                                 rp_delete = rp_cur;
 659                                 rp_cur = 0;
 660                                 rp_add = 0;
 661                                 /* fall thru */
 662
 663                         case LDAP_MOD_ADD:
 664                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 665                                 if ( rc == LDAP_SUCCESS ) {
 666                                         rp_add |= mask;
 667                                         rp_cur |= mask;
 668                                         rp_delete &= ~mask;
 669
 670                                 } else if ( rc == LDAP_OTHER ) {
 671                                         rc = LDAP_TYPE_OR_VALUE_EXISTS;
 672                                 }
 673                                 break;
 674
 675                         default:
 676                                 rc = LDAP_OTHER;
 677                                 break;
 678                         }
 679
 680                         if ( rc != LDAP_SUCCESS ) {
 681                                 goto done;
 682                         }
 683
 684                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 685                 /* accept all operational attributes */
 686                         attr_delete( &e->e_attrs, mod->sm_desc );
 687                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 688                                 mod->sm_nvalues );
 689                         if ( rc ) {
 690                                 rc = LDAP_OTHER;
 691                                 break;
 692                         }
 693
 694                 } else {
 695                         rc = LDAP_UNWILLING_TO_PERFORM;
 696                         break;
 697                 }
 698         }
 699
 700         /* sanity checks: */
 701         if ( ro_gotval < 1 ) {
 702                 rc = LDAP_CONSTRAINT_VIOLATION;
 703                 goto done;
 704         }
 705
 706         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 707                 rc = LDAP_CONSTRAINT_VIOLATION;
 708                 goto done;
 709         }
 710
 711         if ( rp_delete & rp_add ) {
 712                 rc = LDAP_OTHER;
 713                 goto done;
 714         }
 715
 716         /* check current value of readOnly */
 717         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 718                 tf = (struct berval *)&slap_true_bv;
 719
 720         } else {
 721                 tf = (struct berval *)&slap_false_bv;
 722         }
 723
 724         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 725         if ( a == NULL ) {
 726                 rc = LDAP_OTHER;
 727                 goto done;
 728         }
 729
 730         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 731                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 732                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, NULL );
 733         }
 734
 735         if ( rc == LDAP_SUCCESS ) {
 736                 if ( rp_delete ) {
 737                         if ( rp_delete == be->be_restrictops ) {
 738                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 739
 740                         } else {
 741                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 742                                 if ( a == NULL ) {
 743                                         rc = LDAP_OTHER;
 744                                         goto done;
 745                                 }
 746
 747                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 748                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 749                                                 int     j;
 750
 751                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 752                                                         int             k;
 753
 754                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 755                                                                 continue;
 756                                                         }
 757
 758                                                         ch_free( a->a_vals[ j ].bv_val );
 759                                                         ch_free( a->a_nvals[ j ].bv_val );
 760
 761                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 762                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 763                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 764                                                         }
 765
 766                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 767                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 768                                                 }
 769                                         }
 770                                 }
 771
 772                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 773                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 774                                                 int     j;
 775
 776                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 777                                                         int             k;
 778
 779                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 780                                                                 continue;
 781                                                         }
 782
 783                                                         ch_free( a->a_vals[ j ].bv_val );
 784                                                         ch_free( a->a_nvals[ j ].bv_val );
 785
 786                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 787                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 788                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 789                                                         }
 790
 791                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 792                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 793                                                 }
 794                                         }
 795                                 }
 796                         }
 797                 }
 798
 799                 if ( rp_add ) {
 800                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 801                                 if ( rp_add & restricted_ops[ i ].tag ) {
 802                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 803                                                         &restricted_ops[ i ].op, NULL );
 804                                 }
 805                         }
 806
 807                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 808                                 if ( rp_add & restricted_exops[ i ].tag ) {
 809                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 810                                                         &restricted_exops[ i ].op, NULL );
 811                                 }
 812                         }
 813                 }
 814         }
 815
 816         be->be_restrictops = rp_cur;
 817
 818 done:;
 819         if ( rc == LDAP_SUCCESS ) {
 820                 attrs_free( save_attrs );
 821
 822         } else {
 823                 Attribute *tmp = e->e_attrs;
 824                 e->e_attrs = save_attrs;
 825                 attrs_free( tmp );
 826         }
 827         return rc;
 828 }
 829
 830 #if defined(LDAP_SLAPI)
 831 static int
 832 monitor_back_add_plugin( Backend *be, Entry *e_database )
 833 {
 834         Slapi_PBlock    *pCurrentPB;
 835         int             i, rc = LDAP_SUCCESS;
 836         monitor_info_t  *mi = ( monitor_info_t * )be->be_private;
 837
 838         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 839                 /*
 840                  * LDAP_OTHER is returned if no plugins are installed
 841                  */
 842                 rc = LDAP_OTHER;
 843                 goto done;
 844         }
 845
 846         i = 0;
 847         do {
 848                 Slapi_PluginDesc        *srchdesc;
 849                 char                    buf[ BACKMONITOR_BUFSIZE ];
 850                 struct berval           bv;
 851
 852                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 853                                 &srchdesc );
 854                 if ( rc != LDAP_SUCCESS ) {
 855                         goto done;
 856                 }
 857
 858                 snprintf( buf, sizeof(buf),
 859                                 "plugin %d name: %s; "
 860                                 "vendor: %s; "
 861                                 "version: %s; "
 862                                 "description: %s",
 863                                 i,
 864                                 srchdesc->spd_id,
 865                                 srchdesc->spd_vendor,
 866                                 srchdesc->spd_version,
 867                                 srchdesc->spd_description );
 868
 869                 bv.bv_val = buf;
 870                 bv.bv_len = strlen( buf );
 871                 attr_merge_normalize_one( e_database,
 872                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 873
 874                 i++;
 875
 876         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 877                         && ( pCurrentPB != NULL ) );
 878
 879 done:
 880         return rc;
 881 }
 882 #endif /* defined(LDAP_SLAPI) */