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 int
  58 monitor_subsys_database_modify(
  59         Operation       *op,
  60         SlapReply       *rs,
  61         Entry           *e );
  62
  63 static struct restricted_ops_t {
  64         struct berval   op;
  65         unsigned int    tag;
  66 } restricted_ops[] = {
  67         { BER_BVC( "add" ),                     SLAP_RESTRICT_OP_ADD },
  68         { BER_BVC( "bind" ),                    SLAP_RESTRICT_OP_BIND },
  69         { BER_BVC( "compare" ),                 SLAP_RESTRICT_OP_COMPARE },
  70         { BER_BVC( "delete" ),                  SLAP_RESTRICT_OP_DELETE },
  71         { BER_BVC( "extended" ),                SLAP_RESTRICT_OP_EXTENDED },
  72         { BER_BVC( "modify" ),                  SLAP_RESTRICT_OP_MODIFY },
  73         { BER_BVC( "rename" ),                  SLAP_RESTRICT_OP_RENAME },
  74         { BER_BVC( "search" ),                  SLAP_RESTRICT_OP_SEARCH },
  75         { BER_BVNULL,                           0 }
  76 }, restricted_exops[] = {
  77         { BER_BVC( LDAP_EXOP_START_TLS ),       SLAP_RESTRICT_EXOP_START_TLS },
  78         { BER_BVC( LDAP_EXOP_MODIFY_PASSWD ),   SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
  79         { BER_BVC( LDAP_EXOP_X_WHO_AM_I ),      SLAP_RESTRICT_EXOP_WHOAMI },
  80         { BER_BVC( LDAP_EXOP_X_CANCEL ),        SLAP_RESTRICT_EXOP_CANCEL },
  81         { BER_BVNULL,                           0 }
  82 };
  83
  84 static int
  85 init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  86 {
  87         struct berval   *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ?
  88                 (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv;
  89
  90         return attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
  91 }
  92
  93 static int
  94 init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  95 {
  96         int     i, rc;
  97
  98         for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) {
  99                 if ( restrictops & restricted_ops[ i ].tag ) {
 100                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 101                                         &restricted_ops[ i ].op,
 102                                         &restricted_ops[ i ].op );
 103                         if ( rc ) {
 104                                 return rc;
 105                         }
 106                 }
 107         }
 108
 109         for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
 110                 if ( restrictops & restricted_exops[ i ].tag ) {
 111                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 112                                         &restricted_exops[ i ].op,
 113                                         &restricted_exops[ i ].op );
 114                         if ( rc ) {
 115                                 return rc;
 116                         }
 117                 }
 118         }
 119
 120         return LDAP_SUCCESS;
 121 }
 122
 123 int
 124 monitor_subsys_database_init(
 125         BackendDB               *be,
 126         monitor_subsys_t        *ms
 127 )
 128 {
 129         monitor_info_t          *mi;
 130         Entry                   *e_database, **ep;
 131         int                     i;
 132         monitor_entry_t         *mp;
 133         monitor_subsys_t        *ms_backend,
 134                                 *ms_overlay;
 135
 136         assert( be != NULL );
 137
 138         ms->mss_modify = monitor_subsys_database_modify;
 139
 140         mi = ( monitor_info_t * )be->be_private;
 141
 142         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 143         if ( ms_backend == NULL ) {
 144                 Debug( LDAP_DEBUG_ANY,
 145                         "monitor_subsys_database_init: "
 146                         "unable to get "
 147                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 148                         "subsystem\n",
 149                         0, 0, 0 );
 150                 return -1;
 151         }
 152
 153         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 154         if ( ms_overlay == NULL ) {
 155                 Debug( LDAP_DEBUG_ANY,
 156                         "monitor_subsys_database_init: "
 157                         "unable to get "
 158                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 159                         "subsystem\n",
 160                         0, 0, 0 );
 161                 return -1;
 162         }
 163
 164         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 165                 Debug( LDAP_DEBUG_ANY,
 166                         "monitor_subsys_database_init: "
 167                         "unable to get entry \"%s\"\n",
 168                         ms->mss_ndn.bv_val, 0, 0 );
 169                 return( -1 );
 170         }
 171
 172         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 173         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 174
 175         mp = ( monitor_entry_t * )e_database->e_private;
 176         mp->mp_children = NULL;
 177         ep = &mp->mp_children;
 178
 179         i = -1;
 180         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 181                 char            buf[ BACKMONITOR_BUFSIZE ];
 182                 int             j;
 183                 slap_overinfo   *oi = NULL;
 184                 BackendInfo     *bi, *bi2;
 185                 Entry           *e;
 186
 187                 i++;
 188
 189                 bi = be->bd_info;
 190
 191                 if ( overlay_is_over( be ) ) {
 192                         oi = (slap_overinfo *)be->bd_info->bi_private;
 193                         bi = oi->oi_orig;
 194                 }
 195
 196                 /* Subordinates are not exposed as their own naming context */
 197                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 198                         continue;
 199                 }
 200
 201                 snprintf( buf, sizeof( buf ),
 202                                 "dn: cn=Database %d,%s\n"
 203                                 "objectClass: %s\n"
 204                                 "structuralObjectClass: %s\n"
 205                                 "cn: Database %d\n"
 206                                 "%s: %s\n"
 207                                 "%s: %s\n"
 208                                 "creatorsName: %s\n"
 209                                 "modifiersName: %s\n"
 210                                 "createTimestamp: %s\n"
 211                                 "modifyTimestamp: %s\n",
 212                                 i,
 213                                         ms->mss_dn.bv_val,
 214                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 215                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 216                                 i,
 217                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 218                                         bi->bi_type,
 219                                 mi->mi_ad_monitorIsShadow->ad_cname.bv_val,
 220                                         SLAP_SHADOW( be ) ? slap_true_bv.bv_val : slap_false_bv.bv_val,
 221                                 mi->mi_creatorsName.bv_val,
 222                                 mi->mi_creatorsName.bv_val,
 223                                 mi->mi_startTime.bv_val,
 224                                 mi->mi_startTime.bv_val );
 225
 226                 e = str2entry( buf );
 227                 if ( e == NULL ) {
 228                         Debug( LDAP_DEBUG_ANY,
 229                                 "monitor_subsys_database_init: "
 230                                 "unable to create entry \"cn=Database %d,%s\"\n",
 231                                 i, ms->mss_dn.bv_val, 0 );
 232                         return( -1 );
 233                 }
 234
 235                 if ( SLAP_MONITOR( be ) ) {
 236                         attr_merge( e, slap_schema.si_ad_monitorContext,
 237                                         be->be_suffix, be->be_nsuffix );
 238                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 239                                         be->be_suffix, be->be_nsuffix );
 240
 241                 } else {
 242                         if ( be->be_suffix == NULL ) {
 243                                 Debug( LDAP_DEBUG_ANY,
 244                                         "monitor_subsys_database_init: "
 245                                         "missing suffix for database %d\n",
 246                                         i, 0, 0 );
 247                                 return -1;
 248                         }
 249                         attr_merge( e, slap_schema.si_ad_namingContexts,
 250                                         be->be_suffix, be->be_nsuffix );
 251                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 252                                         be->be_suffix, be->be_nsuffix );
 253                 }
 254
 255                 (void)init_readOnly( mi, e, be->be_restrictops );
 256                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 257
 258                 if ( SLAP_SHADOW( be ) && be->be_update_refs ) {
 259                         attr_merge_normalize( e, mi->mi_ad_monitorUpdateRef,
 260                                         be->be_update_refs, NULL );
 261                 }
 262
 263                 if ( oi != NULL ) {
 264                         slap_overinst   *on = oi->oi_list,
 265                                         *on1 = on;
 266
 267                         for ( ; on; on = on->on_next ) {
 268                                 struct berval           bv;
 269                                 slap_overinst           *on2;
 270
 271                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 272                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 273                                                 break;
 274                                         }
 275                                 }
 276
 277                                 if ( on2 != on ) {
 278                                         break;
 279                                 }
 280
 281                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 282                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 283                                                 &bv, NULL );
 284
 285                                 /* find the overlay number, j */
 286                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 287                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 288                                                 break;
 289                                         }
 290                                 }
 291                                 assert( on2 != NULL );
 292
 293                                 snprintf( buf, sizeof( buf ),
 294                                         "cn=Overlay %d,%s",
 295                                         j, ms_overlay->mss_dn.bv_val );
 296                                 ber_str2bv( buf, 0, 0, &bv );
 297                                 attr_merge_normalize_one( e,
 298                                                 slap_schema.si_ad_seeAlso,
 299                                                 &bv, NULL );
 300                         }
 301                 }
 302
 303 #if defined(SLAPD_BDB) || defined(SLAPD_HDB)
 304                 if ( strcmp( bi->bi_type, "bdb" ) == 0
 305                                 || strcmp( bi->bi_type, "hdb" ) == 0 )
 306                 {
 307                         struct berval   bv;
 308                         ber_len_t       pathlen = 0, len = 0;
 309                         char            path[ PATH_MAX ] = { '\0' };
 310                         char            *fname = NULL;
 311
 312                         if ( strcmp( bi->bi_type, "bdb" ) == 0
 313                                         || strcmp( bi->bi_type, "hdb" ) == 0 )
 314                         {
 315                                 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 316
 317                                 fname = bdb->bi_dbenv_home;
 318 #if 0
 319                         } else if ( strcmp( bi->bi_type, "ldbm" ) == 0 ) {
 320                                 struct ldbminfo *ldbm = (struct ldbminfo *) be->be_private;
 321
 322                                 /* FIXME: there's a conflict
 323                                  * between back-bdb.h and back.ldbm.h;
 324                                  * anyway, this code will be moved
 325                                  * to the backends as soon as the
 326                                  * issue with filtering on namingContexts
 327                                  * is fixed */
 328                                 fname = ldbm->li_directory;
 329 #endif
 330                         }
 331
 332                         len = strlen( fname );
 333                         if ( fname[ 0 ] != '/' ) {
 334                                 /* get full path name */
 335                                 getcwd( path, sizeof( path ) );
 336                                 pathlen = strlen( path );
 337
 338                                 if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
 339                                         fname += 2;
 340                                         len -= 2;
 341                                 }
 342                         }
 343
 344                         bv.bv_len = STRLENOF( "file://" ) + pathlen
 345                                 + STRLENOF( "/" ) + len;
 346                         bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
 347                         AC_MEMCPY( bv.bv_val, "file://", STRLENOF( "file://" ) );
 348                         if ( pathlen ) {
 349                                 AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) ],
 350                                                 path, pathlen );
 351                                 bv.bv_val[ STRLENOF( "file://" ) + pathlen ] = '/';
 352                                 pathlen++;
 353                         }
 354                         AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) + pathlen ],
 355                                         fname, len );
 356                         if ( bv.bv_val[ bv.bv_len - 1 ] != '/' ) {
 357                                 bv.bv_val[ bv.bv_len ] = '/';
 358                                 bv.bv_len++;
 359                         }
 360                         bv.bv_val[ bv.bv_len ] = '\0';
 361
 362                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 363                                         &bv, NULL );
 364
 365                         ch_free( bv.bv_val );
 366                 }
 367 #endif /* defined(SLAPD_LDAP) || defined(SLAPD_HDB) */
 368
 369 #if defined(SLAPD_LDAP)
 370                 if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 371                         struct ldapinfo         *li =
 372                                 (struct ldapinfo *)be->be_private;
 373                         struct berval           bv;
 374
 375                         ber_str2bv( li->url, 0, 0, &bv );
 376
 377                         attr_merge_normalize_one( e,
 378                                         slap_schema.si_ad_labeledURI,
 379                                         &bv, NULL );
 380                 }
 381 #endif /* defined(SLAPD_LDAP) */
 382
 383                 j = -1;
 384                 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
 385                         j++;
 386                         if ( bi2->bi_type == bi->bi_type ) {
 387                                 struct berval           bv;
 388
 389                                 snprintf( buf, sizeof( buf ),
 390                                         "cn=Backend %d,%s",
 391                                         j, ms_backend->mss_dn.bv_val );
 392                                 bv.bv_val = buf;
 393                                 bv.bv_len = strlen( buf );
 394                                 attr_merge_normalize_one( e,
 395                                                 slap_schema.si_ad_seeAlso,
 396                                                 &bv, NULL );
 397                                 break;
 398                         }
 399                 }
 400                 /* we must find it! */
 401                 assert( j >= 0 );
 402
 403                 mp = monitor_entrypriv_create();
 404                 if ( mp == NULL ) {
 405                         return -1;
 406                 }
 407                 e->e_private = ( void * )mp;
 408                 mp->mp_info = ms;
 409                 mp->mp_flags = ms->mss_flags
 410                         | MONITOR_F_SUB;
 411
 412                 if ( monitor_cache_add( mi, e ) ) {
 413                         Debug( LDAP_DEBUG_ANY,
 414                                 "monitor_subsys_database_init: "
 415                                 "unable to add entry \"cn=Database %d,%s\"\n",
 416                                 i, ms->mss_dn.bv_val, 0 );
 417                         return( -1 );
 418                 }
 419
 420 #if defined(LDAP_SLAPI)
 421                 monitor_back_add_plugin( mi, be, e );
 422 #endif /* defined(LDAP_SLAPI) */
 423
 424                 if ( oi != NULL ) {
 425                         Entry           **ep_overlay = &mp->mp_children;
 426                         monitor_entry_t *mp_overlay;
 427                         slap_overinst   *on = oi->oi_list;
 428                         int             o;
 429
 430                         for ( o = 0; on; o++, on = on->on_next ) {
 431                                 Entry                   *e_overlay;
 432                                 slap_overinst           *on2;
 433
 434                                 /* find the overlay number, j */
 435                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 436                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 437                                                 break;
 438                                         }
 439                                 }
 440                                 assert( on2 != NULL );
 441
 442                                 snprintf( buf, sizeof( buf ),
 443                                                 "dn: cn=Overlay %d,cn=Database %d,%s\n"
 444                                                 "objectClass: %s\n"
 445                                                 "structuralObjectClass: %s\n"
 446                                                 "cn: Overlay %d\n"
 447                                                 "%s: %s\n"
 448                                                 "seeAlso: cn=Overlay %d,%s\n"
 449                                                 "creatorsName: %s\n"
 450                                                 "modifiersName: %s\n"
 451                                                 "createTimestamp: %s\n"
 452                                                 "modifyTimestamp: %s\n",
 453                                                 o,
 454                                                 i,
 455                                                 ms->mss_dn.bv_val,
 456                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 457                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 458                                                 o,
 459                                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 460                                                 on->on_bi.bi_type,
 461                                                 j,
 462                                                 ms_overlay->mss_dn.bv_val,
 463                                                 mi->mi_creatorsName.bv_val,
 464                                                 mi->mi_creatorsName.bv_val,
 465                                                 mi->mi_startTime.bv_val,
 466                                                 mi->mi_startTime.bv_val );
 467
 468                                 e_overlay = str2entry( buf );
 469                                 if ( e_overlay == NULL ) {
 470                                         Debug( LDAP_DEBUG_ANY,
 471                                                 "monitor_subsys_database_init: "
 472                                                 "unable to create entry "
 473                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 474                                                 o, i, ms->mss_dn.bv_val );
 475                                         return( -1 );
 476                                 }
 477
 478                                 mp_overlay = monitor_entrypriv_create();
 479                                 if ( mp_overlay == NULL ) {
 480                                         return -1;
 481                                 }
 482                                 e_overlay->e_private = ( void * )mp_overlay;
 483                                 mp_overlay->mp_info = ms;
 484                                 mp_overlay->mp_flags = ms->mss_flags
 485                                         | MONITOR_F_SUB;
 486
 487                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 488                                         Debug( LDAP_DEBUG_ANY,
 489                                                 "monitor_subsys_database_init: "
 490                                                 "unable to add entry "
 491                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 492                                                 o, i, ms->mss_dn.bv_val );
 493                                         return( -1 );
 494                                 }
 495
 496                                 *ep_overlay = e_overlay;
 497                                 ep_overlay = &mp_overlay->mp_next;
 498                         }
 499                 }
 500
 501                 *ep = e;
 502                 ep = &mp->mp_next;
 503         }
 504
 505         monitor_cache_release( mi, e_database );
 506
 507         return( 0 );
 508 }
 509
 510 /*
 511  * v: array of values
 512  * cur: must not contain the tags corresponding to the values in v
 513  * delta: will contain the tags corresponding to the values in v
 514  */
 515 static int
 516 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 517 {
 518         for ( ; !BER_BVISNULL( v ); v++ ) {
 519                 struct restricted_ops_t         *rops;
 520                 int                             i;
 521
 522                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 523                         rops = restricted_exops;
 524
 525                 } else {
 526                         rops = restricted_ops;
 527                 }
 528
 529                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 530                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 531                                 continue;
 532                         }
 533
 534                         if ( rops[ i ].tag & *delta ) {
 535                                 return LDAP_OTHER;
 536                         }
 537
 538                         if ( rops[ i ].tag & cur ) {
 539                                 return LDAP_OTHER;
 540                         }
 541
 542                         cur |= rops[ i ].tag;
 543                         *delta |= rops[ i ].tag;
 544
 545                         break;
 546                 }
 547
 548                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 549                         return LDAP_INVALID_SYNTAX;
 550                 }
 551         }
 552
 553         return LDAP_SUCCESS;
 554 }
 555
 556 static int
 557 monitor_subsys_database_modify(
 558         Operation       *op,
 559         SlapReply       *rs,
 560         Entry           *e )
 561 {
 562         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 563         int             rc = LDAP_OTHER;
 564         Attribute       *save_attrs, *a;
 565         Modifications   *ml;
 566         Backend         *be;
 567         int             ro_gotval = 1, i, n;
 568         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 569         struct berval   *tf;
 570
 571         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 572         if ( i != 1 ) {
 573                 return SLAP_CB_CONTINUE;
 574         }
 575
 576         if ( n < 0 || n >= nBackendDB ) {
 577                 rs->sr_text = "invalid database index";
 578                 return ( rs->sr_err = LDAP_NO_SUCH_OBJECT );
 579         }
 580
 581         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 582                 if ( n == 0 ) {
 583                         break;
 584                 }
 585                 n--;
 586         }
 587         /* do not allow some changes on back-monitor (needs work)... */
 588         if ( SLAP_MONITOR( be ) ) {
 589                 rs->sr_text = "no modifications allowed to monitor database entry";
 590                 return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM );
 591         }
 592
 593         rp_cur = be->be_restrictops;
 594
 595         save_attrs = e->e_attrs;
 596         e->e_attrs = attrs_dup( e->e_attrs );
 597
 598         for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
 599                 Modification *mod = &ml->sml_mod;
 600
 601                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 602                         int     val = -1;
 603
 604                         if ( mod->sm_values ) {
 605                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 606                                         rs->sr_text = "attempting to modify multiple values of single-valued attribute";
 607                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 608                                         goto done;
 609                                 }
 610
 611                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 612                                         val = 1;
 613
 614                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 615                                         val = 0;
 616
 617                                 } else {
 618                                         assert( 0 );
 619                                         rc = rs->sr_err = LDAP_INVALID_SYNTAX;
 620                                         goto done;
 621                                 }
 622                         }
 623
 624                         switch ( mod->sm_op ) {
 625                         case LDAP_MOD_DELETE:
 626                                 if ( ro_gotval < 1 ) {
 627                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 628                                         goto done;
 629                                 }
 630                                 ro_gotval--;
 631
 632                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 633                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 634                                         goto done;
 635                                 }
 636
 637                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 638                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 639                                         goto done;
 640                                 }
 641
 642                                 break;
 643
 644                         case LDAP_MOD_REPLACE:
 645                                 ro_gotval = 0;
 646                                 /* fall thru */
 647
 648                         case LDAP_MOD_ADD:
 649                                 if ( ro_gotval > 0 ) {
 650                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 651                                         goto done;
 652                                 }
 653                                 ro_gotval++;
 654
 655                                 if ( val == 1 ) {
 656                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 657                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 658                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 659
 660                                 } else if ( val == 0 ) {
 661                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 662                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 663                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 664                                 }
 665                                 break;
 666
 667                         default:
 668                                 rc = rs->sr_err = LDAP_OTHER;
 669                                 goto done;
 670                         }
 671
 672                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 673                         slap_mask_t     mask = 0;
 674
 675                         switch ( mod->sm_op ) {
 676                         case LDAP_MOD_DELETE:
 677                                 if ( mod->sm_values == NULL ) {
 678                                         rp_delete = rp_cur;
 679                                         rp_cur = 0;
 680                                         rp_add = 0;
 681                                         break;
 682                                 }
 683                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 684                                 if ( rc == LDAP_SUCCESS ) {
 685                                         rp_delete |= mask;
 686                                         rp_add &= ~mask;
 687                                         rp_cur &= ~mask;
 688
 689                                 } else if ( rc == LDAP_OTHER ) {
 690                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 691                                 }
 692                                 break;
 693
 694                         case LDAP_MOD_REPLACE:
 695                                 rp_delete = rp_cur;
 696                                 rp_cur = 0;
 697                                 rp_add = 0;
 698                                 /* fall thru */
 699
 700                         case LDAP_MOD_ADD:
 701                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 702                                 if ( rc == LDAP_SUCCESS ) {
 703                                         rp_add |= mask;
 704                                         rp_cur |= mask;
 705                                         rp_delete &= ~mask;
 706
 707                                 } else if ( rc == LDAP_OTHER ) {
 708                                         rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS;
 709                                 }
 710                                 break;
 711
 712                         default:
 713                                 rc = rs->sr_err = LDAP_OTHER;
 714                                 break;
 715                         }
 716
 717                         if ( rc != LDAP_SUCCESS ) {
 718                                 goto done;
 719                         }
 720
 721                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 722                 /* accept all operational attributes */
 723                         attr_delete( &e->e_attrs, mod->sm_desc );
 724                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 725                                 mod->sm_nvalues );
 726                         if ( rc ) {
 727                                 rc = rs->sr_err = LDAP_OTHER;
 728                                 break;
 729                         }
 730
 731                 } else {
 732                         rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 733                         break;
 734                 }
 735         }
 736
 737         /* sanity checks: */
 738         if ( ro_gotval < 1 ) {
 739                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 740                 goto done;
 741         }
 742
 743         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 744                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 745                 goto done;
 746         }
 747
 748         if ( rp_delete & rp_add ) {
 749                 rc = rs->sr_err = LDAP_OTHER;
 750                 goto done;
 751         }
 752
 753         /* check current value of readOnly */
 754         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 755                 tf = (struct berval *)&slap_true_bv;
 756
 757         } else {
 758                 tf = (struct berval *)&slap_false_bv;
 759         }
 760
 761         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 762         if ( a == NULL ) {
 763                 rc = LDAP_OTHER;
 764                 goto done;
 765         }
 766
 767         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 768                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 769                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
 770         }
 771
 772         if ( rc == LDAP_SUCCESS ) {
 773                 if ( rp_delete ) {
 774                         if ( rp_delete == be->be_restrictops ) {
 775                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 776
 777                         } else {
 778                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 779                                 if ( a == NULL ) {
 780                                         rc = rs->sr_err = LDAP_OTHER;
 781                                         goto done;
 782                                 }
 783
 784                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 785                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 786                                                 int     j;
 787
 788                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 789                                                         int             k;
 790
 791                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 792                                                                 continue;
 793                                                         }
 794
 795                                                         ch_free( a->a_vals[ j ].bv_val );
 796                                                         ch_free( a->a_nvals[ j ].bv_val );
 797
 798                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 799                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 800                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 801                                                         }
 802
 803                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 804                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 805                                                 }
 806                                         }
 807                                 }
 808
 809                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 810                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 811                                                 int     j;
 812
 813                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 814                                                         int             k;
 815
 816                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 817                                                                 continue;
 818                                                         }
 819
 820                                                         ch_free( a->a_vals[ j ].bv_val );
 821                                                         ch_free( a->a_nvals[ j ].bv_val );
 822
 823                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 824                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 825                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 826                                                         }
 827
 828                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 829                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 830                                                 }
 831                                         }
 832                                 }
 833                         }
 834                 }
 835
 836                 if ( rp_add ) {
 837                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 838                                 if ( rp_add & restricted_ops[ i ].tag ) {
 839                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 840                                                         &restricted_ops[ i ].op,
 841                                                         &restricted_ops[ i ].op );
 842                                 }
 843                         }
 844
 845                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 846                                 if ( rp_add & restricted_exops[ i ].tag ) {
 847                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 848                                                         &restricted_exops[ i ].op,
 849                                                         &restricted_exops[ i ].op );
 850                                 }
 851                         }
 852                 }
 853         }
 854
 855         be->be_restrictops = rp_cur;
 856
 857 done:;
 858         if ( rc == LDAP_SUCCESS ) {
 859                 attrs_free( save_attrs );
 860                 rc = SLAP_CB_CONTINUE;
 861
 862         } else {
 863                 Attribute *tmp = e->e_attrs;
 864                 e->e_attrs = save_attrs;
 865                 attrs_free( tmp );
 866         }
 867         return rc;
 868 }
 869
 870 #if defined(LDAP_SLAPI)
 871 static int
 872 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
 873 {
 874         Slapi_PBlock    *pCurrentPB;
 875         int             i, rc = LDAP_SUCCESS;
 876
 877         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 878                 /*
 879                  * LDAP_OTHER is returned if no plugins are installed
 880                  */
 881                 rc = LDAP_OTHER;
 882                 goto done;
 883         }
 884
 885         i = 0;
 886         do {
 887                 Slapi_PluginDesc        *srchdesc;
 888                 char                    buf[ BACKMONITOR_BUFSIZE ];
 889                 struct berval           bv;
 890
 891                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 892                                 &srchdesc );
 893                 if ( rc != LDAP_SUCCESS ) {
 894                         goto done;
 895                 }
 896
 897                 snprintf( buf, sizeof(buf),
 898                                 "plugin %d name: %s; "
 899                                 "vendor: %s; "
 900                                 "version: %s; "
 901                                 "description: %s",
 902                                 i,
 903                                 srchdesc->spd_id,
 904                                 srchdesc->spd_vendor,
 905                                 srchdesc->spd_version,
 906                                 srchdesc->spd_description );
 907
 908                 ber_str2bv( buf, 0, 0, &bv );
 909                 attr_merge_normalize_one( e_database,
 910                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 911
 912                 i++;
 913
 914         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 915                         && ( pCurrentPB != NULL ) );
 916
 917 done:
 918         return rc;
 919 }
 920 #endif /* defined(LDAP_SLAPI) */