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 2001-2006 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 #if defined(SLAPD_META)
  49 #include "../back-meta/back-meta.h"
  50 #endif /* defined(SLAPD_META) */
  51
  52 /* for PATH_MAX on some systems (e.g. Solaris) */
  53 #ifdef HAVE_LIMITS_H
  54 #include <limits.h>
  55 #endif /* HAVE_LIMITS_H */
  56 #ifndef PATH_MAX
  57 #define PATH_MAX        4095
  58 #endif /* ! PATH_MAX */
  59
  60 static int
  61 monitor_subsys_database_modify(
  62         Operation       *op,
  63         SlapReply       *rs,
  64         Entry           *e );
  65
  66 static struct restricted_ops_t {
  67         struct berval   op;
  68         unsigned int    tag;
  69 } restricted_ops[] = {
  70         { BER_BVC( "add" ),                     SLAP_RESTRICT_OP_ADD },
  71         { BER_BVC( "bind" ),                    SLAP_RESTRICT_OP_BIND },
  72         { BER_BVC( "compare" ),                 SLAP_RESTRICT_OP_COMPARE },
  73         { BER_BVC( "delete" ),                  SLAP_RESTRICT_OP_DELETE },
  74         { BER_BVC( "extended" ),                SLAP_RESTRICT_OP_EXTENDED },
  75         { BER_BVC( "modify" ),                  SLAP_RESTRICT_OP_MODIFY },
  76         { BER_BVC( "rename" ),                  SLAP_RESTRICT_OP_RENAME },
  77         { BER_BVC( "search" ),                  SLAP_RESTRICT_OP_SEARCH },
  78         { BER_BVNULL,                           0 }
  79 }, restricted_exops[] = {
  80         { BER_BVC( LDAP_EXOP_START_TLS ),       SLAP_RESTRICT_EXOP_START_TLS },
  81         { BER_BVC( LDAP_EXOP_MODIFY_PASSWD ),   SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
  82         { BER_BVC( LDAP_EXOP_X_WHO_AM_I ),      SLAP_RESTRICT_EXOP_WHOAMI },
  83         { BER_BVC( LDAP_EXOP_X_CANCEL ),        SLAP_RESTRICT_EXOP_CANCEL },
  84         { BER_BVNULL,                           0 }
  85 };
  86
  87 static int
  88 init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  89 {
  90         struct berval   *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ?
  91                 (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv;
  92
  93         return attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
  94 }
  95
  96 static int
  97 init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  98 {
  99         int     i, rc;
 100
 101         for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) {
 102                 if ( restrictops & restricted_ops[ i ].tag ) {
 103                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 104                                         &restricted_ops[ i ].op,
 105                                         &restricted_ops[ i ].op );
 106                         if ( rc ) {
 107                                 return rc;
 108                         }
 109                 }
 110         }
 111
 112         for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
 113                 if ( restrictops & restricted_exops[ i ].tag ) {
 114                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 115                                         &restricted_exops[ i ].op,
 116                                         &restricted_exops[ i ].op );
 117                         if ( rc ) {
 118                                 return rc;
 119                         }
 120                 }
 121         }
 122
 123         return LDAP_SUCCESS;
 124 }
 125
 126 int
 127 monitor_subsys_database_init(
 128         BackendDB               *be,
 129         monitor_subsys_t        *ms
 130 )
 131 {
 132         monitor_info_t          *mi;
 133         Entry                   *e_database, **ep;
 134         int                     i;
 135         monitor_entry_t         *mp;
 136         monitor_subsys_t        *ms_backend,
 137                                 *ms_overlay;
 138
 139         assert( be != NULL );
 140
 141         ms->mss_modify = monitor_subsys_database_modify;
 142
 143         mi = ( monitor_info_t * )be->be_private;
 144
 145         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 146         if ( ms_backend == NULL ) {
 147                 Debug( LDAP_DEBUG_ANY,
 148                         "monitor_subsys_database_init: "
 149                         "unable to get "
 150                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 151                         "subsystem\n",
 152                         0, 0, 0 );
 153                 return -1;
 154         }
 155
 156         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 157         if ( ms_overlay == NULL ) {
 158                 Debug( LDAP_DEBUG_ANY,
 159                         "monitor_subsys_database_init: "
 160                         "unable to get "
 161                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 162                         "subsystem\n",
 163                         0, 0, 0 );
 164                 return -1;
 165         }
 166
 167         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 168                 Debug( LDAP_DEBUG_ANY,
 169                         "monitor_subsys_database_init: "
 170                         "unable to get entry \"%s\"\n",
 171                         ms->mss_ndn.bv_val, 0, 0 );
 172                 return( -1 );
 173         }
 174
 175         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 176         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 177
 178         mp = ( monitor_entry_t * )e_database->e_private;
 179         mp->mp_children = NULL;
 180         ep = &mp->mp_children;
 181
 182         i = -1;
 183         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 184                 char            buf[ BACKMONITOR_BUFSIZE ];
 185                 int             j;
 186                 slap_overinfo   *oi = NULL;
 187                 BackendInfo     *bi, *bi2;
 188                 Entry           *e;
 189
 190                 i++;
 191
 192                 bi = be->bd_info;
 193
 194                 if ( overlay_is_over( be ) ) {
 195                         oi = (slap_overinfo *)be->bd_info->bi_private;
 196                         bi = oi->oi_orig;
 197                 }
 198
 199                 /* Subordinates are not exposed as their own naming context */
 200                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 201                         continue;
 202                 }
 203
 204                 snprintf( buf, sizeof( buf ),
 205                                 "dn: cn=Database %d,%s\n"
 206                                 "objectClass: %s\n"
 207                                 "structuralObjectClass: %s\n"
 208                                 "cn: Database %d\n"
 209                                 "%s: %s\n"
 210                                 "%s: %s\n"
 211                                 "creatorsName: %s\n"
 212                                 "modifiersName: %s\n"
 213                                 "createTimestamp: %s\n"
 214                                 "modifyTimestamp: %s\n",
 215                                 i,
 216                                         ms->mss_dn.bv_val,
 217                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 218                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 219                                 i,
 220                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 221                                         bi->bi_type,
 222                                 mi->mi_ad_monitorIsShadow->ad_cname.bv_val,
 223                                         SLAP_SHADOW( be ) ? slap_true_bv.bv_val : slap_false_bv.bv_val,
 224                                 mi->mi_creatorsName.bv_val,
 225                                 mi->mi_creatorsName.bv_val,
 226                                 mi->mi_startTime.bv_val,
 227                                 mi->mi_startTime.bv_val );
 228
 229                 e = str2entry( buf );
 230                 if ( e == NULL ) {
 231                         Debug( LDAP_DEBUG_ANY,
 232                                 "monitor_subsys_database_init: "
 233                                 "unable to create entry \"cn=Database %d,%s\"\n",
 234                                 i, ms->mss_dn.bv_val, 0 );
 235                         return( -1 );
 236                 }
 237
 238                 if ( SLAP_MONITOR( be ) ) {
 239                         attr_merge( e, slap_schema.si_ad_monitorContext,
 240                                         be->be_suffix, be->be_nsuffix );
 241                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 242                                         be->be_suffix, be->be_nsuffix );
 243
 244                 } else {
 245                         if ( be->be_suffix == NULL ) {
 246                                 Debug( LDAP_DEBUG_ANY,
 247                                         "monitor_subsys_database_init: "
 248                                         "missing suffix for database %d\n",
 249                                         i, 0, 0 );
 250                                 return -1;
 251                         }
 252                         attr_merge( e, slap_schema.si_ad_namingContexts,
 253                                         be->be_suffix, be->be_nsuffix );
 254                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 255                                         be->be_suffix, be->be_nsuffix );
 256                 }
 257
 258                 (void)init_readOnly( mi, e, be->be_restrictops );
 259                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 260
 261                 if ( SLAP_SHADOW( be ) && be->be_update_refs ) {
 262                         attr_merge_normalize( e, mi->mi_ad_monitorUpdateRef,
 263                                         be->be_update_refs, NULL );
 264                 }
 265
 266                 if ( oi != NULL ) {
 267                         slap_overinst   *on = oi->oi_list,
 268                                         *on1 = on;
 269
 270                         for ( ; on; on = on->on_next ) {
 271                                 struct berval           bv;
 272                                 slap_overinst           *on2;
 273
 274                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 275                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 276                                                 break;
 277                                         }
 278                                 }
 279
 280                                 if ( on2 != on ) {
 281                                         break;
 282                                 }
 283
 284                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 285                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 286                                                 &bv, NULL );
 287
 288                                 /* find the overlay number, j */
 289                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 290                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 291                                                 break;
 292                                         }
 293                                 }
 294                                 assert( on2 != NULL );
 295
 296                                 snprintf( buf, sizeof( buf ),
 297                                         "cn=Overlay %d,%s",
 298                                         j, ms_overlay->mss_dn.bv_val );
 299                                 ber_str2bv( buf, 0, 0, &bv );
 300                                 attr_merge_normalize_one( e,
 301                                                 slap_schema.si_ad_seeAlso,
 302                                                 &bv, NULL );
 303                         }
 304                 }
 305
 306
 307                 if ( 0 ) {
 308                         assert( 0 );
 309
 310 #if defined(SLAPD_BDB) || defined(SLAPD_HDB)
 311                 } else if ( strcmp( bi->bi_type, "bdb" ) == 0
 312                                 || strcmp( bi->bi_type, "hdb" ) == 0 )
 313                 {
 314                         struct berval   bv;
 315                         ber_len_t       pathlen = 0, len = 0;
 316                         char            path[ PATH_MAX ] = { '\0' };
 317                         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 318                         char            *fname = bdb->bi_dbenv_home;
 319
 320                         len = strlen( fname );
 321                         if ( fname[ 0 ] != '/' ) {
 322                                 /* get full path name */
 323                                 getcwd( path, sizeof( path ) );
 324                                 pathlen = strlen( path );
 325
 326                                 if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
 327                                         fname += 2;
 328                                         len -= 2;
 329                                 }
 330                         }
 331
 332                         bv.bv_len = STRLENOF( "file://" ) + pathlen
 333                                 + STRLENOF( "/" ) + len;
 334                         bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
 335                         AC_MEMCPY( bv.bv_val, "file://", STRLENOF( "file://" ) );
 336                         if ( pathlen ) {
 337                                 AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) ],
 338                                                 path, pathlen );
 339                                 bv.bv_val[ STRLENOF( "file://" ) + pathlen ] = '/';
 340                                 pathlen++;
 341                         }
 342                         AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) + pathlen ],
 343                                         fname, len );
 344                         if ( bv.bv_val[ bv.bv_len - 1 ] != '/' ) {
 345                                 bv.bv_val[ bv.bv_len ] = '/';
 346                                 bv.bv_len++;
 347                         }
 348                         bv.bv_val[ bv.bv_len ] = '\0';
 349
 350                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 351                                         &bv, NULL );
 352
 353                         ch_free( bv.bv_val );
 354
 355 #endif /* defined(SLAPD_BDB) || defined(SLAPD_HDB) */
 356 #if defined(SLAPD_LDAP)
 357                 } else if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 358                         ldapinfo_t      *li = (ldapinfo_t *)be->be_private;
 359 #if 0
 360                         attr_merge_normalize( e, slap_schema.si_ad_labeledURI,
 361                                         li->li_bvuri, NULL );
 362 #else
 363                         char            **urls = ldap_str2charray( li->li_uri, " " );
 364                         int             u;
 365
 366                         for ( u = 0; urls[ u ] != NULL; u++ ) {
 367                                 struct berval   bv;
 368
 369                                 ber_str2bv( urls[ u ], 0, 0, &bv );
 370
 371                                 attr_merge_normalize_one( e,
 372                                                 slap_schema.si_ad_labeledURI,
 373                                                 &bv, NULL );
 374                         }
 375
 376                         ldap_charray_free( urls );
 377 #endif
 378
 379 #endif /* defined(SLAPD_LDAP) */
 380 #if defined(SLAPD_META)
 381                 } else if ( strcmp( bi->bi_type, "meta" ) == 0 ) {
 382                         metainfo_t      *mi = (metainfo_t *)be->be_private;
 383                         int             t;
 384
 385                         for ( t = 0; t < mi->mi_ntargets; t++ ) {
 386                                 char            **urls = ldap_str2charray( mi->mi_targets[ t ].mt_uri, " " );
 387                                 int             u;
 388
 389                                 for ( u = 0; urls[ u ] != NULL; u++ ) {
 390                                         struct berval   bv;
 391
 392                                         ber_str2bv( urls[ u ], 0, 0, &bv );
 393
 394                                         attr_merge_normalize_one( e,
 395                                                 slap_schema.si_ad_labeledURI,
 396                                                 &bv, NULL );
 397                                 }
 398                                 ldap_charray_free( urls );
 399                         }
 400 #endif /* defined(SLAPD_META) */
 401                 }
 402
 403                 j = -1;
 404                 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
 405                         j++;
 406                         if ( bi2->bi_type == bi->bi_type ) {
 407                                 struct berval           bv;
 408
 409                                 snprintf( buf, sizeof( buf ),
 410                                         "cn=Backend %d,%s",
 411                                         j, ms_backend->mss_dn.bv_val );
 412                                 bv.bv_val = buf;
 413                                 bv.bv_len = strlen( buf );
 414                                 attr_merge_normalize_one( e,
 415                                                 slap_schema.si_ad_seeAlso,
 416                                                 &bv, NULL );
 417                                 break;
 418                         }
 419                 }
 420                 /* we must find it! */
 421                 assert( j >= 0 );
 422
 423                 mp = monitor_entrypriv_create();
 424                 if ( mp == NULL ) {
 425                         return -1;
 426                 }
 427                 e->e_private = ( void * )mp;
 428                 mp->mp_info = ms;
 429                 mp->mp_flags = ms->mss_flags
 430                         | MONITOR_F_SUB;
 431
 432                 if ( monitor_cache_add( mi, e ) ) {
 433                         Debug( LDAP_DEBUG_ANY,
 434                                 "monitor_subsys_database_init: "
 435                                 "unable to add entry \"cn=Database %d,%s\"\n",
 436                                 i, ms->mss_dn.bv_val, 0 );
 437                         return( -1 );
 438                 }
 439
 440 #if defined(LDAP_SLAPI)
 441                 monitor_back_add_plugin( mi, be, e );
 442 #endif /* defined(LDAP_SLAPI) */
 443
 444                 if ( oi != NULL ) {
 445                         Entry           **ep_overlay = &mp->mp_children;
 446                         monitor_entry_t *mp_overlay;
 447                         slap_overinst   *on = oi->oi_list;
 448                         int             o;
 449
 450                         for ( o = 0; on; o++, on = on->on_next ) {
 451                                 Entry                   *e_overlay;
 452                                 slap_overinst           *on2;
 453
 454                                 /* find the overlay number, j */
 455                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 456                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 457                                                 break;
 458                                         }
 459                                 }
 460                                 assert( on2 != NULL );
 461
 462                                 snprintf( buf, sizeof( buf ),
 463                                                 "dn: cn=Overlay %d,cn=Database %d,%s\n"
 464                                                 "objectClass: %s\n"
 465                                                 "structuralObjectClass: %s\n"
 466                                                 "cn: Overlay %d\n"
 467                                                 "%s: %s\n"
 468                                                 "seeAlso: cn=Overlay %d,%s\n"
 469                                                 "creatorsName: %s\n"
 470                                                 "modifiersName: %s\n"
 471                                                 "createTimestamp: %s\n"
 472                                                 "modifyTimestamp: %s\n",
 473                                                 o,
 474                                                 i,
 475                                                 ms->mss_dn.bv_val,
 476                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 477                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 478                                                 o,
 479                                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 480                                                 on->on_bi.bi_type,
 481                                                 j,
 482                                                 ms_overlay->mss_dn.bv_val,
 483                                                 mi->mi_creatorsName.bv_val,
 484                                                 mi->mi_creatorsName.bv_val,
 485                                                 mi->mi_startTime.bv_val,
 486                                                 mi->mi_startTime.bv_val );
 487
 488                                 e_overlay = str2entry( buf );
 489                                 if ( e_overlay == NULL ) {
 490                                         Debug( LDAP_DEBUG_ANY,
 491                                                 "monitor_subsys_database_init: "
 492                                                 "unable to create entry "
 493                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 494                                                 o, i, ms->mss_dn.bv_val );
 495                                         return( -1 );
 496                                 }
 497
 498                                 mp_overlay = monitor_entrypriv_create();
 499                                 if ( mp_overlay == NULL ) {
 500                                         return -1;
 501                                 }
 502                                 e_overlay->e_private = ( void * )mp_overlay;
 503                                 mp_overlay->mp_info = ms;
 504                                 mp_overlay->mp_flags = ms->mss_flags
 505                                         | MONITOR_F_SUB;
 506
 507                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 508                                         Debug( LDAP_DEBUG_ANY,
 509                                                 "monitor_subsys_database_init: "
 510                                                 "unable to add entry "
 511                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 512                                                 o, i, ms->mss_dn.bv_val );
 513                                         return( -1 );
 514                                 }
 515
 516                                 *ep_overlay = e_overlay;
 517                                 ep_overlay = &mp_overlay->mp_next;
 518                         }
 519                 }
 520
 521                 *ep = e;
 522                 ep = &mp->mp_next;
 523         }
 524
 525         monitor_cache_release( mi, e_database );
 526
 527         return( 0 );
 528 }
 529
 530 /*
 531  * v: array of values
 532  * cur: must not contain the tags corresponding to the values in v
 533  * delta: will contain the tags corresponding to the values in v
 534  */
 535 static int
 536 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 537 {
 538         for ( ; !BER_BVISNULL( v ); v++ ) {
 539                 struct restricted_ops_t         *rops;
 540                 int                             i;
 541
 542                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 543                         rops = restricted_exops;
 544
 545                 } else {
 546                         rops = restricted_ops;
 547                 }
 548
 549                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 550                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 551                                 continue;
 552                         }
 553
 554                         if ( rops[ i ].tag & *delta ) {
 555                                 return LDAP_OTHER;
 556                         }
 557
 558                         if ( rops[ i ].tag & cur ) {
 559                                 return LDAP_OTHER;
 560                         }
 561
 562                         cur |= rops[ i ].tag;
 563                         *delta |= rops[ i ].tag;
 564
 565                         break;
 566                 }
 567
 568                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 569                         return LDAP_INVALID_SYNTAX;
 570                 }
 571         }
 572
 573         return LDAP_SUCCESS;
 574 }
 575
 576 static int
 577 monitor_subsys_database_modify(
 578         Operation       *op,
 579         SlapReply       *rs,
 580         Entry           *e )
 581 {
 582         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 583         int             rc = LDAP_OTHER;
 584         Attribute       *save_attrs, *a;
 585         Modifications   *ml;
 586         Backend         *be;
 587         int             ro_gotval = 1, i, n;
 588         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 589         struct berval   *tf;
 590
 591         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 592         if ( i != 1 ) {
 593                 return SLAP_CB_CONTINUE;
 594         }
 595
 596         if ( n < 0 || n >= nBackendDB ) {
 597                 rs->sr_text = "invalid database index";
 598                 return ( rs->sr_err = LDAP_NO_SUCH_OBJECT );
 599         }
 600
 601         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 602                 if ( n == 0 ) {
 603                         break;
 604                 }
 605                 n--;
 606         }
 607         /* do not allow some changes on back-monitor (needs work)... */
 608         if ( SLAP_MONITOR( be ) ) {
 609                 rs->sr_text = "no modifications allowed to monitor database entry";
 610                 return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM );
 611         }
 612
 613         rp_cur = be->be_restrictops;
 614
 615         save_attrs = e->e_attrs;
 616         e->e_attrs = attrs_dup( e->e_attrs );
 617
 618         for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
 619                 Modification *mod = &ml->sml_mod;
 620
 621                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 622                         int     val = -1;
 623
 624                         if ( mod->sm_values ) {
 625                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 626                                         rs->sr_text = "attempting to modify multiple values of single-valued attribute";
 627                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 628                                         goto done;
 629                                 }
 630
 631                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 632                                         val = 1;
 633
 634                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 635                                         val = 0;
 636
 637                                 } else {
 638                                         assert( 0 );
 639                                         rc = rs->sr_err = LDAP_INVALID_SYNTAX;
 640                                         goto done;
 641                                 }
 642                         }
 643
 644                         switch ( mod->sm_op ) {
 645                         case LDAP_MOD_DELETE:
 646                                 if ( ro_gotval < 1 ) {
 647                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 648                                         goto done;
 649                                 }
 650                                 ro_gotval--;
 651
 652                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 653                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 654                                         goto done;
 655                                 }
 656
 657                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 658                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 659                                         goto done;
 660                                 }
 661
 662                                 break;
 663
 664                         case LDAP_MOD_REPLACE:
 665                                 ro_gotval = 0;
 666                                 /* fall thru */
 667
 668                         case LDAP_MOD_ADD:
 669                                 if ( ro_gotval > 0 ) {
 670                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 671                                         goto done;
 672                                 }
 673                                 ro_gotval++;
 674
 675                                 if ( val == 1 ) {
 676                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 677                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 678                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 679
 680                                 } else if ( val == 0 ) {
 681                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 682                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 683                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 684                                 }
 685                                 break;
 686
 687                         default:
 688                                 rc = rs->sr_err = LDAP_OTHER;
 689                                 goto done;
 690                         }
 691
 692                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 693                         slap_mask_t     mask = 0;
 694
 695                         switch ( mod->sm_op ) {
 696                         case LDAP_MOD_DELETE:
 697                                 if ( mod->sm_values == NULL ) {
 698                                         rp_delete = rp_cur;
 699                                         rp_cur = 0;
 700                                         rp_add = 0;
 701                                         break;
 702                                 }
 703                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 704                                 if ( rc == LDAP_SUCCESS ) {
 705                                         rp_delete |= mask;
 706                                         rp_add &= ~mask;
 707                                         rp_cur &= ~mask;
 708
 709                                 } else if ( rc == LDAP_OTHER ) {
 710                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 711                                 }
 712                                 break;
 713
 714                         case LDAP_MOD_REPLACE:
 715                                 rp_delete = rp_cur;
 716                                 rp_cur = 0;
 717                                 rp_add = 0;
 718                                 /* fall thru */
 719
 720                         case LDAP_MOD_ADD:
 721                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 722                                 if ( rc == LDAP_SUCCESS ) {
 723                                         rp_add |= mask;
 724                                         rp_cur |= mask;
 725                                         rp_delete &= ~mask;
 726
 727                                 } else if ( rc == LDAP_OTHER ) {
 728                                         rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS;
 729                                 }
 730                                 break;
 731
 732                         default:
 733                                 rc = rs->sr_err = LDAP_OTHER;
 734                                 break;
 735                         }
 736
 737                         if ( rc != LDAP_SUCCESS ) {
 738                                 goto done;
 739                         }
 740
 741                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 742                 /* accept all operational attributes */
 743                         attr_delete( &e->e_attrs, mod->sm_desc );
 744                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 745                                 mod->sm_nvalues );
 746                         if ( rc ) {
 747                                 rc = rs->sr_err = LDAP_OTHER;
 748                                 break;
 749                         }
 750
 751                 } else {
 752                         rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 753                         break;
 754                 }
 755         }
 756
 757         /* sanity checks: */
 758         if ( ro_gotval < 1 ) {
 759                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 760                 goto done;
 761         }
 762
 763         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 764                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 765                 goto done;
 766         }
 767
 768         if ( rp_delete & rp_add ) {
 769                 rc = rs->sr_err = LDAP_OTHER;
 770                 goto done;
 771         }
 772
 773         /* check current value of readOnly */
 774         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 775                 tf = (struct berval *)&slap_true_bv;
 776
 777         } else {
 778                 tf = (struct berval *)&slap_false_bv;
 779         }
 780
 781         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 782         if ( a == NULL ) {
 783                 rc = LDAP_OTHER;
 784                 goto done;
 785         }
 786
 787         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 788                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 789                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
 790         }
 791
 792         if ( rc == LDAP_SUCCESS ) {
 793                 if ( rp_delete ) {
 794                         if ( rp_delete == be->be_restrictops ) {
 795                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 796
 797                         } else {
 798                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 799                                 if ( a == NULL ) {
 800                                         rc = rs->sr_err = LDAP_OTHER;
 801                                         goto done;
 802                                 }
 803
 804                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 805                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 806                                                 int     j;
 807
 808                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 809                                                         int             k;
 810
 811                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 812                                                                 continue;
 813                                                         }
 814
 815                                                         ch_free( a->a_vals[ j ].bv_val );
 816                                                         ch_free( a->a_nvals[ j ].bv_val );
 817
 818                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 819                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 820                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 821                                                         }
 822
 823                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 824                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 825                                                 }
 826                                         }
 827                                 }
 828
 829                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 830                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 831                                                 int     j;
 832
 833                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 834                                                         int             k;
 835
 836                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 837                                                                 continue;
 838                                                         }
 839
 840                                                         ch_free( a->a_vals[ j ].bv_val );
 841                                                         ch_free( a->a_nvals[ j ].bv_val );
 842
 843                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 844                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 845                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 846                                                         }
 847
 848                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 849                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 850                                                 }
 851                                         }
 852                                 }
 853                         }
 854                 }
 855
 856                 if ( rp_add ) {
 857                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 858                                 if ( rp_add & restricted_ops[ i ].tag ) {
 859                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 860                                                         &restricted_ops[ i ].op,
 861                                                         &restricted_ops[ i ].op );
 862                                 }
 863                         }
 864
 865                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 866                                 if ( rp_add & restricted_exops[ i ].tag ) {
 867                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 868                                                         &restricted_exops[ i ].op,
 869                                                         &restricted_exops[ i ].op );
 870                                 }
 871                         }
 872                 }
 873         }
 874
 875         be->be_restrictops = rp_cur;
 876
 877 done:;
 878         if ( rc == LDAP_SUCCESS ) {
 879                 attrs_free( save_attrs );
 880                 rc = SLAP_CB_CONTINUE;
 881
 882         } else {
 883                 Attribute *tmp = e->e_attrs;
 884                 e->e_attrs = save_attrs;
 885                 attrs_free( tmp );
 886         }
 887         return rc;
 888 }
 889
 890 #if defined(LDAP_SLAPI)
 891 static int
 892 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
 893 {
 894         Slapi_PBlock    *pCurrentPB;
 895         int             i, rc = LDAP_SUCCESS;
 896
 897         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 898                 /*
 899                  * LDAP_OTHER is returned if no plugins are installed
 900                  */
 901                 rc = LDAP_OTHER;
 902                 goto done;
 903         }
 904
 905         i = 0;
 906         do {
 907                 Slapi_PluginDesc        *srchdesc;
 908                 char                    buf[ BACKMONITOR_BUFSIZE ];
 909                 struct berval           bv;
 910
 911                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 912                                 &srchdesc );
 913                 if ( rc != LDAP_SUCCESS ) {
 914                         goto done;
 915                 }
 916
 917                 snprintf( buf, sizeof(buf),
 918                                 "plugin %d name: %s; "
 919                                 "vendor: %s; "
 920                                 "version: %s; "
 921                                 "description: %s",
 922                                 i,
 923                                 srchdesc->spd_id,
 924                                 srchdesc->spd_vendor,
 925                                 srchdesc->spd_version,
 926                                 srchdesc->spd_description );
 927
 928                 ber_str2bv( buf, 0, 0, &bv );
 929                 attr_merge_normalize_one( e_database,
 930                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 931
 932                 i++;
 933
 934         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 935                         && ( pCurrentPB != NULL ) );
 936
 937 done:
 938         return rc;
 939 }
 940 #endif /* defined(LDAP_SLAPI) */