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, tf );
  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,
  96                                         &restricted_ops[ i ].op );
  97                         if ( rc ) {
  98                                 return rc;
  99                         }
 100                 }
 101         }
 102
 103         for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
 104                 if ( restrictops & restricted_exops[ i ].tag ) {
 105                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 106                                         &restricted_exops[ i ].op,
 107                                         &restricted_exops[ i ].op );
 108                         if ( rc ) {
 109                                 return rc;
 110                         }
 111                 }
 112         }
 113
 114         return LDAP_SUCCESS;
 115 }
 116
 117 int
 118 monitor_subsys_database_init(
 119         BackendDB               *be,
 120         monitor_subsys_t        *ms
 121 )
 122 {
 123         monitor_info_t          *mi;
 124         Entry                   *e_database, **ep;
 125         int                     i;
 126         monitor_entry_t         *mp;
 127         monitor_subsys_t        *ms_backend,
 128                                 *ms_overlay;
 129
 130         assert( be != NULL );
 131
 132         mi = ( monitor_info_t * )be->be_private;
 133
 134         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 135         if ( ms_backend == NULL ) {
 136                 Debug( LDAP_DEBUG_ANY,
 137                         "monitor_subsys_database_init: "
 138                         "unable to get "
 139                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 140                         "subsystem\n",
 141                         0, 0, 0 );
 142                 return -1;
 143         }
 144
 145         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 146         if ( ms_overlay == NULL ) {
 147                 Debug( LDAP_DEBUG_ANY,
 148                         "monitor_subsys_database_init: "
 149                         "unable to get "
 150                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 151                         "subsystem\n",
 152                         0, 0, 0 );
 153                 return -1;
 154         }
 155
 156         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 157                 Debug( LDAP_DEBUG_ANY,
 158                         "monitor_subsys_database_init: "
 159                         "unable to get entry \"%s\"\n",
 160                         ms->mss_ndn.bv_val, 0, 0 );
 161                 return( -1 );
 162         }
 163
 164         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 165         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 166
 167         mp = ( monitor_entry_t * )e_database->e_private;
 168         mp->mp_children = NULL;
 169         ep = &mp->mp_children;
 170
 171         i = -1;
 172         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 173                 char            buf[ BACKMONITOR_BUFSIZE ];
 174                 int             j;
 175                 slap_overinfo   *oi = NULL;
 176                 BackendInfo     *bi, *bi2;
 177                 Entry           *e;
 178
 179                 i++;
 180
 181                 bi = be->bd_info;
 182
 183                 if ( overlay_is_over( be ) ) {
 184                         oi = (slap_overinfo *)be->bd_info->bi_private;
 185                         bi = oi->oi_orig;
 186                 }
 187
 188                 /* Subordinates are not exposed as their own naming context */
 189                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 190                         continue;
 191                 }
 192
 193                 snprintf( buf, sizeof( buf ),
 194                                 "dn: cn=Database %d,%s\n"
 195                                 "objectClass: %s\n"
 196                                 "structuralObjectClass: %s\n"
 197                                 "cn: Database %d\n"
 198                                 "%s: %s\n"
 199                                 "%s: %s\n"
 200                                 "creatorsName: %s\n"
 201                                 "modifiersName: %s\n"
 202                                 "createTimestamp: %s\n"
 203                                 "modifyTimestamp: %s\n",
 204                                 i,
 205                                         ms->mss_dn.bv_val,
 206                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 207                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 208                                 i,
 209                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 210                                         bi->bi_type,
 211                                 mi->mi_ad_monitorIsShadow->ad_cname.bv_val,
 212                                         SLAP_SHADOW( be ) ? slap_true_bv.bv_val : slap_false_bv.bv_val,
 213                                 mi->mi_creatorsName.bv_val,
 214                                 mi->mi_creatorsName.bv_val,
 215                                 mi->mi_startTime.bv_val,
 216                                 mi->mi_startTime.bv_val );
 217
 218                 e = str2entry( buf );
 219                 if ( e == NULL ) {
 220                         Debug( LDAP_DEBUG_ANY,
 221                                 "monitor_subsys_database_init: "
 222                                 "unable to create entry \"cn=Database %d,%s\"\n",
 223                                 i, ms->mss_dn.bv_val, 0 );
 224                         return( -1 );
 225                 }
 226
 227                 if ( SLAP_MONITOR( be ) ) {
 228                         attr_merge( e, slap_schema.si_ad_monitorContext,
 229                                         be->be_suffix, be->be_nsuffix );
 230                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 231                                         be->be_suffix, be->be_nsuffix );
 232
 233                 } else {
 234                         if ( be->be_suffix == NULL ) {
 235                                 Debug( LDAP_DEBUG_ANY,
 236                                         "monitor_subsys_database_init: "
 237                                         "missing suffix for database %d\n",
 238                                         i, 0, 0 );
 239                                 return -1;
 240                         }
 241                         attr_merge( e, slap_schema.si_ad_namingContexts,
 242                                         be->be_suffix, be->be_nsuffix );
 243                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 244                                         be->be_suffix, be->be_nsuffix );
 245                 }
 246
 247                 (void)init_readOnly( mi, e, be->be_restrictops );
 248                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 249
 250                 if ( SLAP_SHADOW( be ) && be->be_update_refs ) {
 251                         attr_merge_normalize( e, mi->mi_ad_monitorUpdateRef,
 252                                         be->be_update_refs, NULL );
 253                 }
 254
 255                 if ( oi != NULL ) {
 256                         slap_overinst   *on = oi->oi_list,
 257                                         *on1 = on;
 258
 259                         for ( ; on; on = on->on_next ) {
 260                                 struct berval           bv;
 261                                 slap_overinst           *on2;
 262
 263                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 264                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 265                                                 break;
 266                                         }
 267                                 }
 268
 269                                 if ( on2 != on ) {
 270                                         break;
 271                                 }
 272
 273                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 274                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 275                                                 &bv, NULL );
 276
 277                                 /* find the overlay number, j */
 278                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 279                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 280                                                 break;
 281                                         }
 282                                 }
 283                                 assert( on2 != NULL );
 284
 285                                 snprintf( buf, sizeof( buf ),
 286                                         "cn=Overlay %d,%s",
 287                                         j, ms_overlay->mss_dn.bv_val );
 288                                 ber_str2bv( buf, 0, 0, &bv );
 289                                 attr_merge_normalize_one( e,
 290                                                 slap_schema.si_ad_seeAlso,
 291                                                 &bv, NULL );
 292                         }
 293                 }
 294
 295 #if defined(SLAPD_BDB) || defined(SLAPD_HDB)
 296                 if ( strcmp( bi->bi_type, "bdb" ) == 0
 297                                 || strcmp( bi->bi_type, "hdb" ) == 0 )
 298                 {
 299                         struct berval   bv;
 300                         ber_len_t       pathlen = 0, len = 0;
 301                         char            path[ PATH_MAX ] = { '\0' };
 302                         char            *fname = NULL;
 303
 304                         if ( strcmp( bi->bi_type, "bdb" ) == 0
 305                                         || strcmp( bi->bi_type, "hdb" ) == 0 )
 306                         {
 307                                 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 308
 309                                 fname = bdb->bi_dbenv_home;
 310 #if 0
 311                         } else if ( strcmp( bi->bi_type, "ldbm" ) == 0 ) {
 312                                 struct ldbminfo *ldbm = (struct ldbminfo *) be->be_private;
 313
 314                                 /* FIXME: there's a conflict
 315                                  * between back-bdb.h and back.ldbm.h;
 316                                  * anyway, this code will be moved
 317                                  * to the backends as soon as the
 318                                  * issue with filtering on namingContexts
 319                                  * is fixed */
 320                                 fname = ldbm->li_directory;
 321 #endif
 322                         }
 323
 324                         len = strlen( fname );
 325                         if ( fname[ 0 ] != '/' ) {
 326                                 /* get full path name */
 327                                 getcwd( path, sizeof( path ) );
 328                                 pathlen = strlen( path );
 329
 330                                 if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
 331                                         fname += 2;
 332                                         len -= 2;
 333                                 }
 334                         }
 335
 336                         bv.bv_len = STRLENOF( "file://" ) + pathlen
 337                                 + STRLENOF( "/" ) + len;
 338                         bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
 339                         AC_MEMCPY( bv.bv_val, "file://", STRLENOF( "file://" ) );
 340                         if ( pathlen ) {
 341                                 AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) ],
 342                                                 path, pathlen );
 343                                 bv.bv_val[ STRLENOF( "file://" ) + pathlen ] = '/';
 344                                 pathlen++;
 345                         }
 346                         AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) + pathlen ],
 347                                         fname, len );
 348                         if ( bv.bv_val[ bv.bv_len - 1 ] != '/' ) {
 349                                 bv.bv_val[ bv.bv_len ] = '/';
 350                                 bv.bv_len++;
 351                         }
 352                         bv.bv_val[ bv.bv_len ] = '\0';
 353
 354                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 355                                         &bv, NULL );
 356
 357                         ch_free( bv.bv_val );
 358                 }
 359 #endif /* defined(SLAPD_LDAP) || defined(SLAPD_HDB) */
 360
 361 #if defined(SLAPD_LDAP)
 362                 if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 363                         struct ldapinfo         *li =
 364                                 (struct ldapinfo *)be->be_private;
 365                         struct berval           bv;
 366
 367                         ber_str2bv( li->url, 0, 0, &bv );
 368
 369                         attr_merge_normalize_one( e,
 370                                         slap_schema.si_ad_labeledURI,
 371                                         &bv, NULL );
 372                 }
 373 #endif /* defined(SLAPD_LDAP) */
 374
 375                 j = -1;
 376                 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
 377                         j++;
 378                         if ( bi2->bi_type == bi->bi_type ) {
 379                                 struct berval           bv;
 380
 381                                 snprintf( buf, sizeof( buf ),
 382                                         "cn=Backend %d,%s",
 383                                         j, ms_backend->mss_dn.bv_val );
 384                                 bv.bv_val = buf;
 385                                 bv.bv_len = strlen( buf );
 386                                 attr_merge_normalize_one( e,
 387                                                 slap_schema.si_ad_seeAlso,
 388                                                 &bv, NULL );
 389                                 break;
 390                         }
 391                 }
 392                 /* we must find it! */
 393                 assert( j >= 0 );
 394
 395                 mp = monitor_entrypriv_create();
 396                 if ( mp == NULL ) {
 397                         return -1;
 398                 }
 399                 e->e_private = ( void * )mp;
 400                 mp->mp_info = ms;
 401                 mp->mp_flags = ms->mss_flags
 402                         | MONITOR_F_SUB;
 403
 404                 if ( monitor_cache_add( mi, e ) ) {
 405                         Debug( LDAP_DEBUG_ANY,
 406                                 "monitor_subsys_database_init: "
 407                                 "unable to add entry \"cn=Database %d,%s\"\n",
 408                                 i, ms->mss_dn.bv_val, 0 );
 409                         return( -1 );
 410                 }
 411
 412 #if defined(LDAP_SLAPI)
 413                 monitor_back_add_plugin( mi, be, e );
 414 #endif /* defined(LDAP_SLAPI) */
 415
 416                 if ( oi != NULL ) {
 417                         Entry           **ep_overlay = &mp->mp_children;
 418                         monitor_entry_t *mp_overlay;
 419                         slap_overinst   *on = oi->oi_list;
 420                         int             o;
 421
 422                         for ( o = 0; on; o++, on = on->on_next ) {
 423                                 Entry                   *e_overlay;
 424                                 slap_overinst           *on2;
 425
 426                                 /* find the overlay number, j */
 427                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 428                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 429                                                 break;
 430                                         }
 431                                 }
 432                                 assert( on2 != NULL );
 433
 434                                 snprintf( buf, sizeof( buf ),
 435                                                 "dn: cn=Overlay %d,cn=Database %d,%s\n"
 436                                                 "objectClass: %s\n"
 437                                                 "structuralObjectClass: %s\n"
 438                                                 "cn: Overlay %d\n"
 439                                                 "%s: %s\n"
 440                                                 "seeAlso: cn=Overlay %d,%s\n"
 441                                                 "creatorsName: %s\n"
 442                                                 "modifiersName: %s\n"
 443                                                 "createTimestamp: %s\n"
 444                                                 "modifyTimestamp: %s\n",
 445                                                 o,
 446                                                 i,
 447                                                 ms->mss_dn.bv_val,
 448                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 449                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 450                                                 o,
 451                                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 452                                                 on->on_bi.bi_type,
 453                                                 j,
 454                                                 ms_overlay->mss_dn.bv_val,
 455                                                 mi->mi_creatorsName.bv_val,
 456                                                 mi->mi_creatorsName.bv_val,
 457                                                 mi->mi_startTime.bv_val,
 458                                                 mi->mi_startTime.bv_val );
 459
 460                                 e_overlay = str2entry( buf );
 461                                 if ( e_overlay == NULL ) {
 462                                         Debug( LDAP_DEBUG_ANY,
 463                                                 "monitor_subsys_database_init: "
 464                                                 "unable to create entry "
 465                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 466                                                 o, i, ms->mss_dn.bv_val );
 467                                         return( -1 );
 468                                 }
 469
 470                                 mp_overlay = monitor_entrypriv_create();
 471                                 if ( mp_overlay == NULL ) {
 472                                         return -1;
 473                                 }
 474                                 e_overlay->e_private = ( void * )mp_overlay;
 475                                 mp_overlay->mp_info = ms;
 476                                 mp_overlay->mp_flags = ms->mss_flags
 477                                         | MONITOR_F_SUB;
 478
 479                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 480                                         Debug( LDAP_DEBUG_ANY,
 481                                                 "monitor_subsys_database_init: "
 482                                                 "unable to add entry "
 483                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 484                                                 o, i, ms->mss_dn.bv_val );
 485                                         return( -1 );
 486                                 }
 487
 488                                 *ep_overlay = e_overlay;
 489                                 ep_overlay = &mp_overlay->mp_next;
 490                         }
 491                 }
 492
 493                 *ep = e;
 494                 ep = &mp->mp_next;
 495         }
 496
 497         monitor_cache_release( mi, e_database );
 498
 499         return( 0 );
 500 }
 501
 502 /*
 503  * v: array of values
 504  * cur: must not contain the tags corresponding to the values in v
 505  * delta: will contain the tags corresponding to the values in v
 506  */
 507 static int
 508 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 509 {
 510         for ( ; !BER_BVISNULL( v ); v++ ) {
 511                 struct restricted_ops_t         *rops;
 512                 int                             i;
 513
 514                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 515                         rops = restricted_exops;
 516
 517                 } else {
 518                         rops = restricted_ops;
 519                 }
 520
 521                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 522                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 523                                 continue;
 524                         }
 525
 526                         if ( rops[ i ].tag & *delta ) {
 527                                 return LDAP_OTHER;
 528                         }
 529
 530                         if ( rops[ i ].tag & cur ) {
 531                                 return LDAP_OTHER;
 532                         }
 533
 534                         cur |= rops[ i ].tag;
 535                         *delta |= rops[ i ].tag;
 536
 537                         break;
 538                 }
 539
 540                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 541                         return LDAP_INVALID_SYNTAX;
 542                 }
 543         }
 544
 545         return LDAP_SUCCESS;
 546 }
 547
 548 int
 549 monitor_subsys_database_modify(
 550         Operation       *op,
 551         SlapReply       *rs,
 552         Entry           *e
 553 )
 554 {
 555         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 556         int             rc = LDAP_OTHER;
 557         Attribute       *save_attrs, *a;
 558         Modifications   *ml;
 559         Backend         *be;
 560         int             ro_gotval = 1, i, n;
 561         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 562         struct berval   *tf;
 563
 564         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 565         if ( i != 1 ) {
 566                 return SLAP_CB_CONTINUE;
 567         }
 568
 569         if ( n < 0 || n >= nBackendDB ) {
 570                 rs->sr_text = "invalid database index";
 571                 return ( rs->sr_err = LDAP_NO_SUCH_OBJECT );
 572         }
 573
 574         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 575                 if ( n == 0 ) {
 576                         break;
 577                 }
 578                 n--;
 579         }
 580         /* do not allow some changes on back-monitor (needs work)... */
 581         if ( SLAP_MONITOR( be ) ) {
 582                 rs->sr_text = "no modifications allowed to monitor database entry";
 583                 return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM );
 584         }
 585
 586         rp_cur = be->be_restrictops;
 587
 588         save_attrs = e->e_attrs;
 589         e->e_attrs = attrs_dup( e->e_attrs );
 590
 591         for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
 592                 Modification *mod = &ml->sml_mod;
 593
 594                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 595                         int     val = -1;
 596
 597                         if ( mod->sm_values ) {
 598                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 599                                         rs->sr_text = "attempting to modify multiple values of single-valued attribute";
 600                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 601                                         goto done;
 602                                 }
 603
 604                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 605                                         val = 1;
 606
 607                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 608                                         val = 0;
 609
 610                                 } else {
 611                                         assert( 0 );
 612                                         rc = rs->sr_err = LDAP_INVALID_SYNTAX;
 613                                         goto done;
 614                                 }
 615                         }
 616
 617                         switch ( mod->sm_op ) {
 618                         case LDAP_MOD_DELETE:
 619                                 if ( ro_gotval < 1 ) {
 620                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 621                                         goto done;
 622                                 }
 623                                 ro_gotval--;
 624
 625                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 626                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 627                                         goto done;
 628                                 }
 629
 630                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 631                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 632                                         goto done;
 633                                 }
 634
 635                                 break;
 636
 637                         case LDAP_MOD_REPLACE:
 638                                 ro_gotval = 0;
 639                                 /* fall thru */
 640
 641                         case LDAP_MOD_ADD:
 642                                 if ( ro_gotval > 0 ) {
 643                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 644                                         goto done;
 645                                 }
 646                                 ro_gotval++;
 647
 648                                 if ( val == 1 ) {
 649                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 650                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 651                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 652
 653                                 } else if ( val == 0 ) {
 654                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 655                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 656                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 657                                 }
 658                                 break;
 659
 660                         default:
 661                                 rc = rs->sr_err = LDAP_OTHER;
 662                                 goto done;
 663                         }
 664
 665                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 666                         slap_mask_t     mask = 0;
 667
 668                         switch ( mod->sm_op ) {
 669                         case LDAP_MOD_DELETE:
 670                                 if ( mod->sm_values == NULL ) {
 671                                         rp_delete = rp_cur;
 672                                         rp_cur = 0;
 673                                         rp_add = 0;
 674                                         break;
 675                                 }
 676                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 677                                 if ( rc == LDAP_SUCCESS ) {
 678                                         rp_delete |= mask;
 679                                         rp_add &= ~mask;
 680                                         rp_cur &= ~mask;
 681
 682                                 } else if ( rc == LDAP_OTHER ) {
 683                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 684                                 }
 685                                 break;
 686
 687                         case LDAP_MOD_REPLACE:
 688                                 rp_delete = rp_cur;
 689                                 rp_cur = 0;
 690                                 rp_add = 0;
 691                                 /* fall thru */
 692
 693                         case LDAP_MOD_ADD:
 694                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 695                                 if ( rc == LDAP_SUCCESS ) {
 696                                         rp_add |= mask;
 697                                         rp_cur |= mask;
 698                                         rp_delete &= ~mask;
 699
 700                                 } else if ( rc == LDAP_OTHER ) {
 701                                         rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS;
 702                                 }
 703                                 break;
 704
 705                         default:
 706                                 rc = rs->sr_err = LDAP_OTHER;
 707                                 break;
 708                         }
 709
 710                         if ( rc != LDAP_SUCCESS ) {
 711                                 goto done;
 712                         }
 713
 714                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 715                 /* accept all operational attributes */
 716                         attr_delete( &e->e_attrs, mod->sm_desc );
 717                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 718                                 mod->sm_nvalues );
 719                         if ( rc ) {
 720                                 rc = rs->sr_err = LDAP_OTHER;
 721                                 break;
 722                         }
 723
 724                 } else {
 725                         rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 726                         break;
 727                 }
 728         }
 729
 730         /* sanity checks: */
 731         if ( ro_gotval < 1 ) {
 732                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 733                 goto done;
 734         }
 735
 736         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 737                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 738                 goto done;
 739         }
 740
 741         if ( rp_delete & rp_add ) {
 742                 rc = rs->sr_err = LDAP_OTHER;
 743                 goto done;
 744         }
 745
 746         /* check current value of readOnly */
 747         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 748                 tf = (struct berval *)&slap_true_bv;
 749
 750         } else {
 751                 tf = (struct berval *)&slap_false_bv;
 752         }
 753
 754         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 755         if ( a == NULL ) {
 756                 rc = LDAP_OTHER;
 757                 goto done;
 758         }
 759
 760         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 761                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 762                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
 763         }
 764
 765         if ( rc == LDAP_SUCCESS ) {
 766                 if ( rp_delete ) {
 767                         if ( rp_delete == be->be_restrictops ) {
 768                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 769
 770                         } else {
 771                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 772                                 if ( a == NULL ) {
 773                                         rc = rs->sr_err = LDAP_OTHER;
 774                                         goto done;
 775                                 }
 776
 777                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 778                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 779                                                 int     j;
 780
 781                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 782                                                         int             k;
 783
 784                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 785                                                                 continue;
 786                                                         }
 787
 788                                                         ch_free( a->a_vals[ j ].bv_val );
 789                                                         ch_free( a->a_nvals[ j ].bv_val );
 790
 791                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 792                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 793                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 794                                                         }
 795
 796                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 797                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 798                                                 }
 799                                         }
 800                                 }
 801
 802                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 803                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 804                                                 int     j;
 805
 806                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 807                                                         int             k;
 808
 809                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 810                                                                 continue;
 811                                                         }
 812
 813                                                         ch_free( a->a_vals[ j ].bv_val );
 814                                                         ch_free( a->a_nvals[ j ].bv_val );
 815
 816                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 817                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 818                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 819                                                         }
 820
 821                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 822                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 823                                                 }
 824                                         }
 825                                 }
 826                         }
 827                 }
 828
 829                 if ( rp_add ) {
 830                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 831                                 if ( rp_add & restricted_ops[ i ].tag ) {
 832                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 833                                                         &restricted_ops[ i ].op,
 834                                                         &restricted_ops[ i ].op );
 835                                 }
 836                         }
 837
 838                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 839                                 if ( rp_add & restricted_exops[ i ].tag ) {
 840                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 841                                                         &restricted_exops[ i ].op,
 842                                                         &restricted_exops[ i ].op );
 843                                 }
 844                         }
 845                 }
 846         }
 847
 848         be->be_restrictops = rp_cur;
 849
 850 done:;
 851         if ( rc == LDAP_SUCCESS ) {
 852                 attrs_free( save_attrs );
 853                 rc = SLAP_CB_CONTINUE;
 854
 855         } else {
 856                 Attribute *tmp = e->e_attrs;
 857                 e->e_attrs = save_attrs;
 858                 attrs_free( tmp );
 859         }
 860         return rc;
 861 }
 862
 863 #if defined(LDAP_SLAPI)
 864 static int
 865 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
 866 {
 867         Slapi_PBlock    *pCurrentPB;
 868         int             i, rc = LDAP_SUCCESS;
 869
 870         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 871                 /*
 872                  * LDAP_OTHER is returned if no plugins are installed
 873                  */
 874                 rc = LDAP_OTHER;
 875                 goto done;
 876         }
 877
 878         i = 0;
 879         do {
 880                 Slapi_PluginDesc        *srchdesc;
 881                 char                    buf[ BACKMONITOR_BUFSIZE ];
 882                 struct berval           bv;
 883
 884                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 885                                 &srchdesc );
 886                 if ( rc != LDAP_SUCCESS ) {
 887                         goto done;
 888                 }
 889
 890                 snprintf( buf, sizeof(buf),
 891                                 "plugin %d name: %s; "
 892                                 "vendor: %s; "
 893                                 "version: %s; "
 894                                 "description: %s",
 895                                 i,
 896                                 srchdesc->spd_id,
 897                                 srchdesc->spd_vendor,
 898                                 srchdesc->spd_version,
 899                                 srchdesc->spd_description );
 900
 901                 ber_str2bv( buf, 0, 0, &bv );
 902                 attr_merge_normalize_one( e_database,
 903                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 904
 905                 i++;
 906
 907         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 908                         && ( pCurrentPB != NULL ) );
 909
 910 done:
 911         return rc;
 912 }
 913 #endif /* defined(LDAP_SLAPI) */