git.sur5r.net Git - openldap/blob - servers/slapd/back-monitor/database.c

   1 /* database.c - deals with database subsystem */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2005 The OpenLDAP Foundation.
   6  * Portions Copyright 2001-2003 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Pierangelo Masarati for inclusion
  19  * in OpenLDAP Software.
  20  */
  21
  22 #include "portable.h"
  23
  24 #include <stdio.h>
  25 #include <ac/string.h>
  26 #include <ac/unistd.h>
  27
  28 #include "slap.h"
  29 #include "back-monitor.h"
  30
  31 #if defined(LDAP_SLAPI)
  32 #include "slapi.h"
  33 static int monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e );
  34 #endif /* defined(LDAP_SLAPI) */
  35
  36 #if defined(SLAPD_BDB)
  37 #include "../back-bdb/back-bdb.h"
  38 #endif /* defined(SLAPD_BDB) */
  39 #if defined(SLAPD_HDB)
  40 #include "../back-hdb/back-bdb.h"
  41 #endif /* defined(SLAPD_HDB) */
  42 #if defined(SLAPD_LDAP)
  43 #include "../back-ldap/back-ldap.h"
  44 #endif /* defined(SLAPD_LDAP) */
  45 #if 0 && defined(SLAPD_LDBM)
  46 #include "../back-ldbm/back-ldbm.h"
  47 #endif /* defined(SLAPD_LDBM) */
  48
  49 /* for PATH_MAX on some systems (e.g. Solaris) */
  50 #ifdef HAVE_LIMITS_H
  51 #include <limits.h>
  52 #endif /* HAVE_LIMITS_H */
  53 #ifndef PATH_MAX
  54 #define PATH_MAX        4095
  55 #endif /* ! PATH_MAX */
  56
  57 static struct restricted_ops_t {
  58         struct berval   op;
  59         unsigned int    tag;
  60 } restricted_ops[] = {
  61         { BER_BVC( "add" ),                     SLAP_RESTRICT_OP_ADD },
  62         { BER_BVC( "bind" ),                    SLAP_RESTRICT_OP_BIND },
  63         { BER_BVC( "compare" ),                 SLAP_RESTRICT_OP_COMPARE },
  64         { BER_BVC( "delete" ),                  SLAP_RESTRICT_OP_DELETE },
  65         { BER_BVC( "extended" ),                SLAP_RESTRICT_OP_EXTENDED },
  66         { BER_BVC( "modify" ),                  SLAP_RESTRICT_OP_MODIFY },
  67         { BER_BVC( "rename" ),                  SLAP_RESTRICT_OP_RENAME },
  68         { BER_BVC( "search" ),                  SLAP_RESTRICT_OP_SEARCH },
  69         { BER_BVNULL,                           0 }
  70 }, restricted_exops[] = {
  71         { BER_BVC( LDAP_EXOP_START_TLS ),       SLAP_RESTRICT_EXOP_START_TLS },
  72         { BER_BVC( LDAP_EXOP_MODIFY_PASSWD ),   SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
  73         { BER_BVC( LDAP_EXOP_X_WHO_AM_I ),      SLAP_RESTRICT_EXOP_WHOAMI },
  74         { BER_BVC( LDAP_EXOP_X_CANCEL ),        SLAP_RESTRICT_EXOP_CANCEL },
  75         { BER_BVNULL,                           0 }
  76 };
  77
  78 static int
  79 init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  80 {
  81         struct berval   *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ?
  82                 (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv;
  83
  84         return attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
  85 }
  86
  87 static int
  88 init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  89 {
  90         int     i, rc;
  91
  92         for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) {
  93                 if ( restrictops & restricted_ops[ i ].tag ) {
  94                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
  95                                         &restricted_ops[ i ].op,
  96                                         &restricted_ops[ i ].op );
  97                         if ( rc ) {
  98                                 return rc;
  99                         }
 100                 }
 101         }
 102
 103         for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
 104                 if ( restrictops & restricted_exops[ i ].tag ) {
 105                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 106                                         &restricted_exops[ i ].op,
 107                                         &restricted_exops[ i ].op );
 108                         if ( rc ) {
 109                                 return rc;
 110                         }
 111                 }
 112         }
 113
 114         return LDAP_SUCCESS;
 115 }
 116
 117 int
 118 monitor_subsys_database_init(
 119         BackendDB               *be,
 120         monitor_subsys_t        *ms
 121 )
 122 {
 123         monitor_info_t          *mi;
 124         Entry                   *e_database, **ep;
 125         int                     i;
 126         monitor_entry_t         *mp;
 127         monitor_subsys_t        *ms_backend,
 128                                 *ms_overlay;
 129
 130         assert( be != NULL );
 131
 132         mi = ( monitor_info_t * )be->be_private;
 133
 134         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 135         if ( ms_backend == NULL ) {
 136                 Debug( LDAP_DEBUG_ANY,
 137                         "monitor_subsys_database_init: "
 138                         "unable to get "
 139                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 140                         "subsystem\n",
 141                         0, 0, 0 );
 142                 return -1;
 143         }
 144
 145         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 146         if ( ms_overlay == NULL ) {
 147                 Debug( LDAP_DEBUG_ANY,
 148                         "monitor_subsys_database_init: "
 149                         "unable to get "
 150                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 151                         "subsystem\n",
 152                         0, 0, 0 );
 153                 return -1;
 154         }
 155
 156         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 157                 Debug( LDAP_DEBUG_ANY,
 158                         "monitor_subsys_database_init: "
 159                         "unable to get entry \"%s\"\n",
 160                         ms->mss_ndn.bv_val, 0, 0 );
 161                 return( -1 );
 162         }
 163
 164         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 165         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 166
 167         mp = ( monitor_entry_t * )e_database->e_private;
 168         mp->mp_children = NULL;
 169         ep = &mp->mp_children;
 170
 171         i = -1;
 172         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 173                 char            buf[ BACKMONITOR_BUFSIZE ];
 174                 int             j;
 175                 slap_overinfo   *oi = NULL;
 176                 BackendInfo     *bi, *bi2;
 177                 Entry           *e;
 178
 179                 i++;
 180
 181                 bi = be->bd_info;
 182
 183                 if ( overlay_is_over( be ) ) {
 184                         oi = (slap_overinfo *)be->bd_info->bi_private;
 185                         bi = oi->oi_orig;
 186                 }
 187
 188                 /* Subordinates are not exposed as their own naming context */
 189                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 190                         continue;
 191                 }
 192
 193                 snprintf( buf, sizeof( buf ),
 194                                 "dn: cn=Database %d,%s\n"
 195                                 "objectClass: %s\n"
 196                                 "structuralObjectClass: %s\n"
 197                                 "cn: Database %d\n"
 198                                 "description: This object contains the type of the database.\n"
 199                                 "%s: %s\n"
 200                                 "creatorsName: %s\n"
 201                                 "modifiersName: %s\n"
 202                                 "createTimestamp: %s\n"
 203                                 "modifyTimestamp: %s\n",
 204                                 i,
 205                                 ms->mss_dn.bv_val,
 206                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 207                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 208                                 i,
 209                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 210                                 bi->bi_type,
 211                                 mi->mi_creatorsName.bv_val,
 212                                 mi->mi_creatorsName.bv_val,
 213                                 mi->mi_startTime.bv_val,
 214                                 mi->mi_startTime.bv_val );
 215
 216                 e = str2entry( buf );
 217                 if ( e == NULL ) {
 218                         Debug( LDAP_DEBUG_ANY,
 219                                 "monitor_subsys_database_init: "
 220                                 "unable to create entry \"cn=Database %d,%s\"\n",
 221                                 i, ms->mss_dn.bv_val, 0 );
 222                         return( -1 );
 223                 }
 224
 225                 if ( SLAP_MONITOR(be) ) {
 226                         attr_merge( e, slap_schema.si_ad_monitorContext,
 227                                         be->be_suffix, be->be_nsuffix );
 228                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 229                                         be->be_suffix, be->be_nsuffix );
 230
 231                 } else {
 232                         if ( be->be_suffix == NULL ) {
 233                                 Debug( LDAP_DEBUG_ANY,
 234                                         "monitor_subsys_database_init: "
 235                                         "missing suffix for database %d\n",
 236                                         i, 0, 0 );
 237                                 return -1;
 238                         }
 239                         attr_merge( e, slap_schema.si_ad_namingContexts,
 240                                         be->be_suffix, be->be_nsuffix );
 241                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 242                                         be->be_suffix, be->be_nsuffix );
 243                 }
 244
 245                 (void)init_readOnly( mi, e, be->be_restrictops );
 246                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 247
 248                 if ( oi != NULL ) {
 249                         slap_overinst   *on = oi->oi_list,
 250                                         *on1 = on;
 251
 252                         for ( ; on; on = on->on_next ) {
 253                                 struct berval           bv;
 254                                 slap_overinst           *on2;
 255
 256                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 257                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 258                                                 break;
 259                                         }
 260                                 }
 261
 262                                 if ( on2 != on ) {
 263                                         break;
 264                                 }
 265
 266                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 267                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 268                                                 &bv, NULL );
 269
 270                                 /* find the overlay number, j */
 271                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 272                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 273                                                 break;
 274                                         }
 275                                 }
 276                                 assert( on2 );
 277
 278                                 snprintf( buf, sizeof( buf ),
 279                                         "cn=Overlay %d,%s",
 280                                         j, ms_overlay->mss_dn.bv_val );
 281                                 ber_str2bv( buf, 0, 0, &bv );
 282                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 283                                                 &bv, NULL );
 284                         }
 285                 }
 286
 287 #if defined(SLAPD_BDB) || defined(SLAPD_HDB)
 288                 if ( strcmp( bi->bi_type, "bdb" ) == 0
 289                                 || strcmp( bi->bi_type, "hdb" ) == 0 )
 290                 {
 291                         struct berval   bv;
 292                         ber_len_t       pathlen = 0, len = 0;
 293                         char            path[ PATH_MAX ] = { '\0' };
 294                         char            *fname = NULL;
 295
 296                         if ( strcmp( bi->bi_type, "bdb" ) == 0
 297                                         || strcmp( bi->bi_type, "hdb" ) == 0 )
 298                         {
 299                                 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 300
 301                                 fname = bdb->bi_dbenv_home;
 302 #if 0
 303                         } else if ( strcmp( bi->bi_type, "ldbm" ) == 0 ) {
 304                                 struct ldbminfo *ldbm = (struct ldbminfo *) be->be_private;
 305
 306                                 /* FIXME: there's a conflict
 307                                  * between back-bdb.h and back.ldbm.h;
 308                                  * anyway, this code will be moved
 309                                  * to the backends as soon as the
 310                                  * issue with filtering on namingContexts
 311                                  * is fixed */
 312                                 fname = ldbm->li_directory;
 313 #endif
 314                         }
 315
 316                         len = strlen( fname );
 317                         if ( fname[ 0 ] != '/' ) {
 318                                 /* get full path name */
 319                                 getcwd( path, sizeof( path ) );
 320                                 pathlen = strlen( path );
 321
 322                                 if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
 323                                         fname += 2;
 324                                         len -= 2;
 325                                 }
 326                         }
 327
 328                         bv.bv_len = STRLENOF( "file://" ) + pathlen
 329                                 + STRLENOF( "/" ) + len;
 330                         bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
 331                         AC_MEMCPY( bv.bv_val, "file://", STRLENOF( "file://" ) );
 332                         if ( pathlen ) {
 333                                 AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) ],
 334                                                 path, pathlen );
 335                                 bv.bv_val[ STRLENOF( "file://" ) + pathlen ] = '/';
 336                                 pathlen++;
 337                         }
 338                         AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) + pathlen ],
 339                                         fname, len );
 340                         if ( bv.bv_val[ bv.bv_len - 1 ] != '/' ) {
 341                                 bv.bv_val[ bv.bv_len ] = '/';
 342                                 bv.bv_len++;
 343                         }
 344                         bv.bv_val[ bv.bv_len ] = '\0';
 345
 346                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 347                                         &bv, NULL );
 348
 349                         ch_free( bv.bv_val );
 350                 }
 351 #endif /* defined(SLAPD_LDAP) || defined(SLAPD_HDB) */
 352
 353 #if defined(SLAPD_LDAP)
 354                 if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 355                         struct ldapinfo         *li =
 356                                 (struct ldapinfo *)be->be_private;
 357                         struct berval           bv;
 358
 359                         ber_str2bv( li->url, 0, 0, &bv );
 360
 361                         attr_merge_normalize_one( e,
 362                                         slap_schema.si_ad_labeledURI,
 363                                         &bv, NULL );
 364                 }
 365 #endif /* defined(SLAPD_LDAP) */
 366
 367                 j = -1;
 368                 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
 369                         j++;
 370                         if ( bi2->bi_type == bi->bi_type ) {
 371                                 struct berval           bv;
 372
 373                                 snprintf( buf, sizeof( buf ),
 374                                         "cn=Backend %d,%s",
 375                                         j, ms_backend->mss_dn.bv_val );
 376                                 bv.bv_val = buf;
 377                                 bv.bv_len = strlen( buf );
 378                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 379                                                 &bv, NULL );
 380                                 break;
 381                         }
 382                 }
 383                 /* we must find it! */
 384                 assert( j >= 0 );
 385
 386                 mp = monitor_entrypriv_create();
 387                 if ( mp == NULL ) {
 388                         return -1;
 389                 }
 390                 e->e_private = ( void * )mp;
 391                 mp->mp_info = ms;
 392                 mp->mp_flags = ms->mss_flags
 393                         | MONITOR_F_SUB;
 394
 395                 if ( monitor_cache_add( mi, e ) ) {
 396                         Debug( LDAP_DEBUG_ANY,
 397                                 "monitor_subsys_database_init: "
 398                                 "unable to add entry \"cn=Database %d,%s\"\n",
 399                                 i, ms->mss_dn.bv_val, 0 );
 400                         return( -1 );
 401                 }
 402
 403 #if defined(LDAP_SLAPI)
 404                 monitor_back_add_plugin( mi, be, e );
 405 #endif /* defined(LDAP_SLAPI) */
 406
 407                 if ( oi != NULL ) {
 408                         Entry           **ep_overlay = &mp->mp_children;
 409                         monitor_entry_t *mp_overlay;
 410                         slap_overinst   *on = oi->oi_list;
 411                         int             o;
 412
 413                         for ( o = 0; on; o++, on = on->on_next ) {
 414                                 Entry                   *e_overlay;
 415                                 slap_overinst           *on2;
 416
 417                                 /* find the overlay number, j */
 418                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 419                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 420                                                 break;
 421                                         }
 422                                 }
 423                                 assert( on2 );
 424
 425                                 snprintf( buf, sizeof( buf ),
 426                                                 "dn: cn=Overlay %d,cn=Database %d,%s\n"
 427                                                 "objectClass: %s\n"
 428                                                 "structuralObjectClass: %s\n"
 429                                                 "cn: Overlay %d\n"
 430                                                 "description: This object contains the type of the overlay.\n"
 431                                                 "%s: %s\n"
 432                                                 "seeAlso: cn=Overlay %d,%s\n"
 433                                                 "creatorsName: %s\n"
 434                                                 "modifiersName: %s\n"
 435                                                 "createTimestamp: %s\n"
 436                                                 "modifyTimestamp: %s\n",
 437                                                 o,
 438                                                 i,
 439                                                 ms->mss_dn.bv_val,
 440                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 441                                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 442                                                 o,
 443                                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 444                                                 on->on_bi.bi_type,
 445                                                 j,
 446                                                 ms_overlay->mss_dn.bv_val,
 447                                                 mi->mi_creatorsName.bv_val,
 448                                                 mi->mi_creatorsName.bv_val,
 449                                                 mi->mi_startTime.bv_val,
 450                                                 mi->mi_startTime.bv_val );
 451
 452                                 e_overlay = str2entry( buf );
 453                                 if ( e_overlay == NULL ) {
 454                                         Debug( LDAP_DEBUG_ANY,
 455                                                 "monitor_subsys_database_init: "
 456                                                 "unable to create entry "
 457                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 458                                                 o, i, ms->mss_dn.bv_val );
 459                                         return( -1 );
 460                                 }
 461
 462                                 mp_overlay = monitor_entrypriv_create();
 463                                 if ( mp_overlay == NULL ) {
 464                                         return -1;
 465                                 }
 466                                 e_overlay->e_private = ( void * )mp_overlay;
 467                                 mp_overlay->mp_info = ms;
 468                                 mp_overlay->mp_flags = ms->mss_flags
 469                                         | MONITOR_F_SUB;
 470
 471                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 472                                         Debug( LDAP_DEBUG_ANY,
 473                                                 "monitor_subsys_database_init: "
 474                                                 "unable to add entry "
 475                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 476                                                 o, i, ms->mss_dn.bv_val );
 477                                         return( -1 );
 478                                 }
 479
 480                                 *ep_overlay = e_overlay;
 481                                 ep_overlay = &mp_overlay->mp_next;
 482                         }
 483                 }
 484
 485                 *ep = e;
 486                 ep = &mp->mp_next;
 487         }
 488
 489         monitor_cache_release( mi, e_database );
 490
 491         return( 0 );
 492 }
 493
 494 /*
 495  * v: array of values
 496  * cur: must not contain the tags corresponding to the values in v
 497  * delta: will contain the tags corresponding to the values in v
 498  */
 499 static int
 500 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 501 {
 502         for ( ; !BER_BVISNULL( v ); v++ ) {
 503                 struct restricted_ops_t         *rops;
 504                 int                             i;
 505
 506                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 507                         rops = restricted_exops;
 508
 509                 } else {
 510                         rops = restricted_ops;
 511                 }
 512
 513                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 514                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 515                                 continue;
 516                         }
 517
 518                         if ( rops[ i ].tag & *delta ) {
 519                                 return LDAP_OTHER;
 520                         }
 521
 522                         if ( rops[ i ].tag & cur ) {
 523                                 return LDAP_OTHER;
 524                         }
 525
 526                         cur |= rops[ i ].tag;
 527                         *delta |= rops[ i ].tag;
 528
 529                         break;
 530                 }
 531
 532                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 533                         return LDAP_INVALID_SYNTAX;
 534                 }
 535         }
 536
 537         return LDAP_SUCCESS;
 538 }
 539
 540 int
 541 monitor_subsys_database_modify(
 542         Operation       *op,
 543         SlapReply       *rs,
 544         Entry           *e
 545 )
 546 {
 547         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 548         int             rc = LDAP_OTHER;
 549         Attribute       *save_attrs, *a;
 550         Modifications   *ml;
 551         Backend         *be;
 552         int             ro_gotval = 1, i, n;
 553         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 554         struct berval   *tf;
 555
 556         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 557         if ( i != 1 ) {
 558                 return SLAP_CB_CONTINUE;
 559         }
 560
 561         if ( n < 0 || n >= nBackendDB ) {
 562                 rs->sr_text = "invalid database index";
 563                 return ( rs->sr_err = LDAP_NO_SUCH_OBJECT );
 564         }
 565
 566         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 567                 if ( n == 0 ) {
 568                         break;
 569                 }
 570                 n--;
 571         }
 572         /* do not allow some changes on back-monitor (needs work)... */
 573         if ( SLAP_MONITOR( be ) ) {
 574                 rs->sr_text = "no modifications allowed to monitor database entry";
 575                 return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM );
 576         }
 577
 578         rp_cur = be->be_restrictops;
 579
 580         save_attrs = e->e_attrs;
 581         e->e_attrs = attrs_dup( e->e_attrs );
 582
 583         for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
 584                 Modification *mod = &ml->sml_mod;
 585
 586                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 587                         int     val = -1;
 588
 589                         if ( mod->sm_values ) {
 590                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 591                                         rs->sr_text = "attempting to modify multiple values of single-valued attribute";
 592                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 593                                         goto done;
 594                                 }
 595
 596                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 597                                         val = 1;
 598
 599                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 600                                         val = 0;
 601
 602                                 } else {
 603                                         assert( 0 );
 604                                         rc = rs->sr_err = LDAP_INVALID_SYNTAX;
 605                                         goto done;
 606                                 }
 607                         }
 608
 609                         switch ( mod->sm_op ) {
 610                         case LDAP_MOD_DELETE:
 611                                 if ( ro_gotval < 1 ) {
 612                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 613                                         goto done;
 614                                 }
 615                                 ro_gotval--;
 616
 617                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 618                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 619                                         goto done;
 620                                 }
 621
 622                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 623                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 624                                         goto done;
 625                                 }
 626
 627                                 break;
 628
 629                         case LDAP_MOD_REPLACE:
 630                                 ro_gotval = 0;
 631                                 /* fall thru */
 632
 633                         case LDAP_MOD_ADD:
 634                                 if ( ro_gotval > 0 ) {
 635                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 636                                         goto done;
 637                                 }
 638                                 ro_gotval++;
 639
 640                                 if ( val == 1 ) {
 641                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 642                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 643                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 644
 645                                 } else if ( val == 0 ) {
 646                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 647                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 648                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 649                                 }
 650                                 break;
 651
 652                         default:
 653                                 rc = rs->sr_err = LDAP_OTHER;
 654                                 goto done;
 655                         }
 656
 657                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 658                         slap_mask_t     mask = 0;
 659
 660                         switch ( mod->sm_op ) {
 661                         case LDAP_MOD_DELETE:
 662                                 if ( mod->sm_values == NULL ) {
 663                                         rp_delete = rp_cur;
 664                                         rp_cur = 0;
 665                                         rp_add = 0;
 666                                         break;
 667                                 }
 668                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 669                                 if ( rc == LDAP_SUCCESS ) {
 670                                         rp_delete |= mask;
 671                                         rp_add &= ~mask;
 672                                         rp_cur &= ~mask;
 673
 674                                 } else if ( rc == LDAP_OTHER ) {
 675                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 676                                 }
 677                                 break;
 678
 679                         case LDAP_MOD_REPLACE:
 680                                 rp_delete = rp_cur;
 681                                 rp_cur = 0;
 682                                 rp_add = 0;
 683                                 /* fall thru */
 684
 685                         case LDAP_MOD_ADD:
 686                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 687                                 if ( rc == LDAP_SUCCESS ) {
 688                                         rp_add |= mask;
 689                                         rp_cur |= mask;
 690                                         rp_delete &= ~mask;
 691
 692                                 } else if ( rc == LDAP_OTHER ) {
 693                                         rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS;
 694                                 }
 695                                 break;
 696
 697                         default:
 698                                 rc = rs->sr_err = LDAP_OTHER;
 699                                 break;
 700                         }
 701
 702                         if ( rc != LDAP_SUCCESS ) {
 703                                 goto done;
 704                         }
 705
 706                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 707                 /* accept all operational attributes */
 708                         attr_delete( &e->e_attrs, mod->sm_desc );
 709                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 710                                 mod->sm_nvalues );
 711                         if ( rc ) {
 712                                 rc = rs->sr_err = LDAP_OTHER;
 713                                 break;
 714                         }
 715
 716                 } else {
 717                         rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 718                         break;
 719                 }
 720         }
 721
 722         /* sanity checks: */
 723         if ( ro_gotval < 1 ) {
 724                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 725                 goto done;
 726         }
 727
 728         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 729                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 730                 goto done;
 731         }
 732
 733         if ( rp_delete & rp_add ) {
 734                 rc = rs->sr_err = LDAP_OTHER;
 735                 goto done;
 736         }
 737
 738         /* check current value of readOnly */
 739         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 740                 tf = (struct berval *)&slap_true_bv;
 741
 742         } else {
 743                 tf = (struct berval *)&slap_false_bv;
 744         }
 745
 746         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 747         if ( a == NULL ) {
 748                 rc = LDAP_OTHER;
 749                 goto done;
 750         }
 751
 752         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 753                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 754                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
 755         }
 756
 757         if ( rc == LDAP_SUCCESS ) {
 758                 if ( rp_delete ) {
 759                         if ( rp_delete == be->be_restrictops ) {
 760                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 761
 762                         } else {
 763                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 764                                 if ( a == NULL ) {
 765                                         rc = rs->sr_err = LDAP_OTHER;
 766                                         goto done;
 767                                 }
 768
 769                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 770                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 771                                                 int     j;
 772
 773                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 774                                                         int             k;
 775
 776                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 777                                                                 continue;
 778                                                         }
 779
 780                                                         ch_free( a->a_vals[ j ].bv_val );
 781                                                         ch_free( a->a_nvals[ j ].bv_val );
 782
 783                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 784                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 785                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 786                                                         }
 787
 788                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 789                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 790                                                 }
 791                                         }
 792                                 }
 793
 794                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 795                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 796                                                 int     j;
 797
 798                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 799                                                         int             k;
 800
 801                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 802                                                                 continue;
 803                                                         }
 804
 805                                                         ch_free( a->a_vals[ j ].bv_val );
 806                                                         ch_free( a->a_nvals[ j ].bv_val );
 807
 808                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 809                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 810                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 811                                                         }
 812
 813                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 814                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 815                                                 }
 816                                         }
 817                                 }
 818                         }
 819                 }
 820
 821                 if ( rp_add ) {
 822                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 823                                 if ( rp_add & restricted_ops[ i ].tag ) {
 824                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 825                                                         &restricted_ops[ i ].op,
 826                                                         &restricted_ops[ i ].op );
 827                                 }
 828                         }
 829
 830                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 831                                 if ( rp_add & restricted_exops[ i ].tag ) {
 832                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 833                                                         &restricted_exops[ i ].op,
 834                                                         &restricted_exops[ i ].op );
 835                                 }
 836                         }
 837                 }
 838         }
 839
 840         be->be_restrictops = rp_cur;
 841
 842 done:;
 843         if ( rc == LDAP_SUCCESS ) {
 844                 attrs_free( save_attrs );
 845                 rc = SLAP_CB_CONTINUE;
 846
 847         } else {
 848                 Attribute *tmp = e->e_attrs;
 849                 e->e_attrs = save_attrs;
 850                 attrs_free( tmp );
 851         }
 852         return rc;
 853 }
 854
 855 #if defined(LDAP_SLAPI)
 856 static int
 857 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
 858 {
 859         Slapi_PBlock    *pCurrentPB;
 860         int             i, rc = LDAP_SUCCESS;
 861
 862         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 863                 /*
 864                  * LDAP_OTHER is returned if no plugins are installed
 865                  */
 866                 rc = LDAP_OTHER;
 867                 goto done;
 868         }
 869
 870         i = 0;
 871         do {
 872                 Slapi_PluginDesc        *srchdesc;
 873                 char                    buf[ BACKMONITOR_BUFSIZE ];
 874                 struct berval           bv;
 875
 876                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 877                                 &srchdesc );
 878                 if ( rc != LDAP_SUCCESS ) {
 879                         goto done;
 880                 }
 881
 882                 snprintf( buf, sizeof(buf),
 883                                 "plugin %d name: %s; "
 884                                 "vendor: %s; "
 885                                 "version: %s; "
 886                                 "description: %s",
 887                                 i,
 888                                 srchdesc->spd_id,
 889                                 srchdesc->spd_vendor,
 890                                 srchdesc->spd_version,
 891                                 srchdesc->spd_description );
 892
 893                 ber_str2bv( buf, 0, 0, &bv );
 894                 attr_merge_normalize_one( e_database,
 895                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 896
 897                 i++;
 898
 899         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 900                         && ( pCurrentPB != NULL ) );
 901
 902 done:
 903         return rc;
 904 }
 905 #endif /* defined(LDAP_SLAPI) */