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
 365                         if ( urls != NULL ) {
 366                                 int             u;
 367
 368                                 for ( u = 0; urls[ u ] != NULL; u++ ) {
 369                                         struct berval   bv;
 370
 371                                         ber_str2bv( urls[ u ], 0, 0, &bv );
 372
 373                                         attr_merge_normalize_one( e,
 374                                                 slap_schema.si_ad_labeledURI,
 375                                                 &bv, NULL );
 376                                 }
 377
 378                                 ldap_charray_free( urls );
 379                         }
 380 #endif
 381
 382 #endif /* defined(SLAPD_LDAP) */
 383 #if defined(SLAPD_META)
 384                 } else if ( strcmp( bi->bi_type, "meta" ) == 0 ) {
 385                         metainfo_t      *mi = (metainfo_t *)be->be_private;
 386                         int             t;
 387
 388                         for ( t = 0; t < mi->mi_ntargets; t++ ) {
 389                                 char            **urls = ldap_str2charray( mi->mi_targets[ t ].mt_uri, " " );
 390
 391                                 if ( urls != NULL ) {
 392                                         int             u;
 393
 394                                         for ( u = 0; urls[ u ] != NULL; u++ ) {
 395                                                 struct berval   bv;
 396
 397                                                 ber_str2bv( urls[ u ], 0, 0, &bv );
 398
 399                                                 attr_merge_normalize_one( e,
 400                                                         slap_schema.si_ad_labeledURI,
 401                                                         &bv, NULL );
 402                                         }
 403                                         ldap_charray_free( urls );
 404                                 }
 405                         }
 406 #endif /* defined(SLAPD_META) */
 407                 }
 408
 409                 j = -1;
 410                 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
 411                         j++;
 412                         if ( bi2->bi_type == bi->bi_type ) {
 413                                 struct berval           bv;
 414
 415                                 snprintf( buf, sizeof( buf ),
 416                                         "cn=Backend %d,%s",
 417                                         j, ms_backend->mss_dn.bv_val );
 418                                 bv.bv_val = buf;
 419                                 bv.bv_len = strlen( buf );
 420                                 attr_merge_normalize_one( e,
 421                                                 slap_schema.si_ad_seeAlso,
 422                                                 &bv, NULL );
 423                                 break;
 424                         }
 425                 }
 426                 /* we must find it! */
 427                 assert( j >= 0 );
 428
 429                 mp = monitor_entrypriv_create();
 430                 if ( mp == NULL ) {
 431                         return -1;
 432                 }
 433                 e->e_private = ( void * )mp;
 434                 mp->mp_info = ms;
 435                 mp->mp_flags = ms->mss_flags
 436                         | MONITOR_F_SUB;
 437
 438                 if ( monitor_cache_add( mi, e ) ) {
 439                         Debug( LDAP_DEBUG_ANY,
 440                                 "monitor_subsys_database_init: "
 441                                 "unable to add entry \"cn=Database %d,%s\"\n",
 442                                 i, ms->mss_dn.bv_val, 0 );
 443                         return( -1 );
 444                 }
 445
 446 #if defined(LDAP_SLAPI)
 447                 monitor_back_add_plugin( mi, be, e );
 448 #endif /* defined(LDAP_SLAPI) */
 449
 450                 if ( oi != NULL ) {
 451                         Entry           **ep_overlay = &mp->mp_children;
 452                         monitor_entry_t *mp_overlay;
 453                         slap_overinst   *on = oi->oi_list;
 454                         int             o;
 455
 456                         for ( o = 0; on; o++, on = on->on_next ) {
 457                                 Entry                   *e_overlay;
 458                                 slap_overinst           *on2;
 459
 460                                 /* find the overlay number, j */
 461                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 462                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 463                                                 break;
 464                                         }
 465                                 }
 466                                 assert( on2 != NULL );
 467
 468                                 snprintf( buf, sizeof( buf ),
 469                                                 "dn: cn=Overlay %d,cn=Database %d,%s\n"
 470                                                 "objectClass: %s\n"
 471                                                 "structuralObjectClass: %s\n"
 472                                                 "cn: Overlay %d\n"
 473                                                 "%s: %s\n"
 474                                                 "seeAlso: cn=Overlay %d,%s\n"
 475                                                 "creatorsName: %s\n"
 476                                                 "modifiersName: %s\n"
 477                                                 "createTimestamp: %s\n"
 478                                                 "modifyTimestamp: %s\n",
 479                                                 o,
 480                                                 i,
 481                                                 ms->mss_dn.bv_val,
 482                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 483                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 484                                                 o,
 485                                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 486                                                 on->on_bi.bi_type,
 487                                                 j,
 488                                                 ms_overlay->mss_dn.bv_val,
 489                                                 mi->mi_creatorsName.bv_val,
 490                                                 mi->mi_creatorsName.bv_val,
 491                                                 mi->mi_startTime.bv_val,
 492                                                 mi->mi_startTime.bv_val );
 493
 494                                 e_overlay = str2entry( buf );
 495                                 if ( e_overlay == NULL ) {
 496                                         Debug( LDAP_DEBUG_ANY,
 497                                                 "monitor_subsys_database_init: "
 498                                                 "unable to create entry "
 499                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 500                                                 o, i, ms->mss_dn.bv_val );
 501                                         return( -1 );
 502                                 }
 503
 504                                 mp_overlay = monitor_entrypriv_create();
 505                                 if ( mp_overlay == NULL ) {
 506                                         return -1;
 507                                 }
 508                                 e_overlay->e_private = ( void * )mp_overlay;
 509                                 mp_overlay->mp_info = ms;
 510                                 mp_overlay->mp_flags = ms->mss_flags
 511                                         | MONITOR_F_SUB;
 512
 513                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 514                                         Debug( LDAP_DEBUG_ANY,
 515                                                 "monitor_subsys_database_init: "
 516                                                 "unable to add entry "
 517                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 518                                                 o, i, ms->mss_dn.bv_val );
 519                                         return( -1 );
 520                                 }
 521
 522                                 *ep_overlay = e_overlay;
 523                                 ep_overlay = &mp_overlay->mp_next;
 524                         }
 525                 }
 526
 527                 *ep = e;
 528                 ep = &mp->mp_next;
 529         }
 530
 531         monitor_cache_release( mi, e_database );
 532
 533         return( 0 );
 534 }
 535
 536 /*
 537  * v: array of values
 538  * cur: must not contain the tags corresponding to the values in v
 539  * delta: will contain the tags corresponding to the values in v
 540  */
 541 static int
 542 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 543 {
 544         for ( ; !BER_BVISNULL( v ); v++ ) {
 545                 struct restricted_ops_t         *rops;
 546                 int                             i;
 547
 548                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 549                         rops = restricted_exops;
 550
 551                 } else {
 552                         rops = restricted_ops;
 553                 }
 554
 555                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 556                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 557                                 continue;
 558                         }
 559
 560                         if ( rops[ i ].tag & *delta ) {
 561                                 return LDAP_OTHER;
 562                         }
 563
 564                         if ( rops[ i ].tag & cur ) {
 565                                 return LDAP_OTHER;
 566                         }
 567
 568                         cur |= rops[ i ].tag;
 569                         *delta |= rops[ i ].tag;
 570
 571                         break;
 572                 }
 573
 574                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 575                         return LDAP_INVALID_SYNTAX;
 576                 }
 577         }
 578
 579         return LDAP_SUCCESS;
 580 }
 581
 582 static int
 583 monitor_subsys_database_modify(
 584         Operation       *op,
 585         SlapReply       *rs,
 586         Entry           *e )
 587 {
 588         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 589         int             rc = LDAP_OTHER;
 590         Attribute       *save_attrs, *a;
 591         Modifications   *ml;
 592         Backend         *be;
 593         int             ro_gotval = 1, i, n;
 594         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 595         struct berval   *tf;
 596
 597         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 598         if ( i != 1 ) {
 599                 return SLAP_CB_CONTINUE;
 600         }
 601
 602         if ( n < 0 || n >= nBackendDB ) {
 603                 rs->sr_text = "invalid database index";
 604                 return ( rs->sr_err = LDAP_NO_SUCH_OBJECT );
 605         }
 606
 607         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 608                 if ( n == 0 ) {
 609                         break;
 610                 }
 611                 n--;
 612         }
 613         /* do not allow some changes on back-monitor (needs work)... */
 614         if ( SLAP_MONITOR( be ) ) {
 615                 rs->sr_text = "no modifications allowed to monitor database entry";
 616                 return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM );
 617         }
 618
 619         rp_cur = be->be_restrictops;
 620
 621         save_attrs = e->e_attrs;
 622         e->e_attrs = attrs_dup( e->e_attrs );
 623
 624         for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
 625                 Modification *mod = &ml->sml_mod;
 626
 627                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 628                         int     val = -1;
 629
 630                         if ( mod->sm_values ) {
 631                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 632                                         rs->sr_text = "attempting to modify multiple values of single-valued attribute";
 633                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 634                                         goto done;
 635                                 }
 636
 637                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 638                                         val = 1;
 639
 640                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 641                                         val = 0;
 642
 643                                 } else {
 644                                         assert( 0 );
 645                                         rc = rs->sr_err = LDAP_INVALID_SYNTAX;
 646                                         goto done;
 647                                 }
 648                         }
 649
 650                         switch ( mod->sm_op ) {
 651                         case LDAP_MOD_DELETE:
 652                                 if ( ro_gotval < 1 ) {
 653                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 654                                         goto done;
 655                                 }
 656                                 ro_gotval--;
 657
 658                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 659                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 660                                         goto done;
 661                                 }
 662
 663                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 664                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 665                                         goto done;
 666                                 }
 667
 668                                 break;
 669
 670                         case LDAP_MOD_REPLACE:
 671                                 ro_gotval = 0;
 672                                 /* fall thru */
 673
 674                         case LDAP_MOD_ADD:
 675                                 if ( ro_gotval > 0 ) {
 676                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 677                                         goto done;
 678                                 }
 679                                 ro_gotval++;
 680
 681                                 if ( val == 1 ) {
 682                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 683                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 684                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 685
 686                                 } else if ( val == 0 ) {
 687                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 688                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 689                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 690                                 }
 691                                 break;
 692
 693                         default:
 694                                 rc = rs->sr_err = LDAP_OTHER;
 695                                 goto done;
 696                         }
 697
 698                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 699                         slap_mask_t     mask = 0;
 700
 701                         switch ( mod->sm_op ) {
 702                         case LDAP_MOD_DELETE:
 703                                 if ( mod->sm_values == NULL ) {
 704                                         rp_delete = rp_cur;
 705                                         rp_cur = 0;
 706                                         rp_add = 0;
 707                                         break;
 708                                 }
 709                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 710                                 if ( rc == LDAP_SUCCESS ) {
 711                                         rp_delete |= mask;
 712                                         rp_add &= ~mask;
 713                                         rp_cur &= ~mask;
 714
 715                                 } else if ( rc == LDAP_OTHER ) {
 716                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 717                                 }
 718                                 break;
 719
 720                         case LDAP_MOD_REPLACE:
 721                                 rp_delete = rp_cur;
 722                                 rp_cur = 0;
 723                                 rp_add = 0;
 724                                 /* fall thru */
 725
 726                         case LDAP_MOD_ADD:
 727                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 728                                 if ( rc == LDAP_SUCCESS ) {
 729                                         rp_add |= mask;
 730                                         rp_cur |= mask;
 731                                         rp_delete &= ~mask;
 732
 733                                 } else if ( rc == LDAP_OTHER ) {
 734                                         rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS;
 735                                 }
 736                                 break;
 737
 738                         default:
 739                                 rc = rs->sr_err = LDAP_OTHER;
 740                                 break;
 741                         }
 742
 743                         if ( rc != LDAP_SUCCESS ) {
 744                                 goto done;
 745                         }
 746
 747                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 748                 /* accept all operational attributes */
 749                         attr_delete( &e->e_attrs, mod->sm_desc );
 750                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 751                                 mod->sm_nvalues );
 752                         if ( rc ) {
 753                                 rc = rs->sr_err = LDAP_OTHER;
 754                                 break;
 755                         }
 756
 757                 } else {
 758                         rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 759                         break;
 760                 }
 761         }
 762
 763         /* sanity checks: */
 764         if ( ro_gotval < 1 ) {
 765                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 766                 goto done;
 767         }
 768
 769         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 770                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 771                 goto done;
 772         }
 773
 774         if ( rp_delete & rp_add ) {
 775                 rc = rs->sr_err = LDAP_OTHER;
 776                 goto done;
 777         }
 778
 779         /* check current value of readOnly */
 780         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 781                 tf = (struct berval *)&slap_true_bv;
 782
 783         } else {
 784                 tf = (struct berval *)&slap_false_bv;
 785         }
 786
 787         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 788         if ( a == NULL ) {
 789                 rc = LDAP_OTHER;
 790                 goto done;
 791         }
 792
 793         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 794                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 795                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
 796         }
 797
 798         if ( rc == LDAP_SUCCESS ) {
 799                 if ( rp_delete ) {
 800                         if ( rp_delete == be->be_restrictops ) {
 801                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 802
 803                         } else {
 804                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 805                                 if ( a == NULL ) {
 806                                         rc = rs->sr_err = LDAP_OTHER;
 807                                         goto done;
 808                                 }
 809
 810                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 811                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 812                                                 int     j;
 813
 814                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 815                                                         int             k;
 816
 817                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 818                                                                 continue;
 819                                                         }
 820
 821                                                         ch_free( a->a_vals[ j ].bv_val );
 822                                                         ch_free( a->a_nvals[ j ].bv_val );
 823
 824                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 825                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 826                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 827                                                         }
 828
 829                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 830                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 831                                                 }
 832                                         }
 833                                 }
 834
 835                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 836                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 837                                                 int     j;
 838
 839                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 840                                                         int             k;
 841
 842                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 843                                                                 continue;
 844                                                         }
 845
 846                                                         ch_free( a->a_vals[ j ].bv_val );
 847                                                         ch_free( a->a_nvals[ j ].bv_val );
 848
 849                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 850                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 851                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 852                                                         }
 853
 854                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 855                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 856                                                 }
 857                                         }
 858                                 }
 859                         }
 860                 }
 861
 862                 if ( rp_add ) {
 863                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 864                                 if ( rp_add & restricted_ops[ i ].tag ) {
 865                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 866                                                         &restricted_ops[ i ].op,
 867                                                         &restricted_ops[ i ].op );
 868                                 }
 869                         }
 870
 871                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 872                                 if ( rp_add & restricted_exops[ i ].tag ) {
 873                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 874                                                         &restricted_exops[ i ].op,
 875                                                         &restricted_exops[ i ].op );
 876                                 }
 877                         }
 878                 }
 879         }
 880
 881         be->be_restrictops = rp_cur;
 882
 883 done:;
 884         if ( rc == LDAP_SUCCESS ) {
 885                 attrs_free( save_attrs );
 886                 rc = SLAP_CB_CONTINUE;
 887
 888         } else {
 889                 Attribute *tmp = e->e_attrs;
 890                 e->e_attrs = save_attrs;
 891                 attrs_free( tmp );
 892         }
 893         return rc;
 894 }
 895
 896 #if defined(LDAP_SLAPI)
 897 static int
 898 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
 899 {
 900         Slapi_PBlock    *pCurrentPB;
 901         int             i, rc = LDAP_SUCCESS;
 902
 903         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 904                 /*
 905                  * LDAP_OTHER is returned if no plugins are installed
 906                  */
 907                 rc = LDAP_OTHER;
 908                 goto done;
 909         }
 910
 911         i = 0;
 912         do {
 913                 Slapi_PluginDesc        *srchdesc;
 914                 char                    buf[ BACKMONITOR_BUFSIZE ];
 915                 struct berval           bv;
 916
 917                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 918                                 &srchdesc );
 919                 if ( rc != LDAP_SUCCESS ) {
 920                         goto done;
 921                 }
 922
 923                 snprintf( buf, sizeof(buf),
 924                                 "plugin %d name: %s; "
 925                                 "vendor: %s; "
 926                                 "version: %s; "
 927                                 "description: %s",
 928                                 i,
 929                                 srchdesc->spd_id,
 930                                 srchdesc->spd_vendor,
 931                                 srchdesc->spd_version,
 932                                 srchdesc->spd_description );
 933
 934                 ber_str2bv( buf, 0, 0, &bv );
 935                 attr_merge_normalize_one( e_database,
 936                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 937
 938                 i++;
 939
 940         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 941                         && ( pCurrentPB != NULL ) );
 942
 943 done:
 944         return rc;
 945 }
 946 #endif /* defined(LDAP_SLAPI) */