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 2001-2004 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
  27 #include "slap.h"
  28 #include "back-monitor.h"
  29
  30 #if defined(LDAP_SLAPI)
  31 #include "slapi.h"
  32 static int monitor_back_add_plugin( Backend *be, Entry *e );
  33 #endif /* defined(LDAP_SLAPI) */
  34
  35 #if defined(SLAPD_LDAP)
  36 #include "../back-ldap/back-ldap.h"
  37 #endif /* defined(SLAPD_LDAP) */
  38
  39 static struct restricted_ops_t {
  40         struct berval   op;
  41         unsigned int    tag;
  42 } restricted_ops[] = {
  43         { BER_BVC( "add" ),                     SLAP_RESTRICT_OP_ADD },
  44         { BER_BVC( "bind" ),                    SLAP_RESTRICT_OP_BIND },
  45         { BER_BVC( "compare" ),                 SLAP_RESTRICT_OP_COMPARE },
  46         { BER_BVC( "delete" ),                  SLAP_RESTRICT_OP_DELETE },
  47         { BER_BVC( "extended" ),                SLAP_RESTRICT_OP_EXTENDED },
  48         { BER_BVC( "modify" ),                  SLAP_RESTRICT_OP_MODIFY },
  49         { BER_BVC( "rename" ),                  SLAP_RESTRICT_OP_RENAME },
  50         { BER_BVC( "search" ),                  SLAP_RESTRICT_OP_SEARCH },
  51         { BER_BVNULL,                           0 }
  52 }, restricted_exops[] = {
  53         { BER_BVC( LDAP_EXOP_START_TLS ),       SLAP_RESTRICT_EXOP_START_TLS },
  54         { BER_BVC( LDAP_EXOP_MODIFY_PASSWD ),   SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
  55         { BER_BVC( LDAP_EXOP_X_WHO_AM_I ),      SLAP_RESTRICT_EXOP_WHOAMI },
  56         { BER_BVC( LDAP_EXOP_X_CANCEL ),        SLAP_RESTRICT_EXOP_CANCEL },
  57         { BER_BVNULL,                           0 }
  58 };
  59
  60 static int
  61 init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  62 {
  63         struct berval   *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ?
  64                 (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv;
  65
  66         return attr_merge_one( e, mi->mi_ad_readOnly, tf, NULL );
  67 }
  68
  69 static int
  70 init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  71 {
  72         int     i, rc;
  73
  74         for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) {
  75                 if ( restrictops & restricted_ops[ i ].tag ) {
  76                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
  77                                         &restricted_ops[ i ].op, NULL );
  78                         if ( rc ) {
  79                                 return rc;
  80                         }
  81                 }
  82         }
  83
  84         for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
  85                 if ( restrictops & restricted_exops[ i ].tag ) {
  86                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
  87                                         &restricted_exops[ i ].op, NULL );
  88                         if ( rc ) {
  89                                 return rc;
  90                         }
  91                 }
  92         }
  93
  94         return LDAP_SUCCESS;
  95 }
  96
  97 int
  98 monitor_subsys_database_init(
  99         BackendDB               *be,
 100         monitor_subsys_t        *ms
 101 )
 102 {
 103         monitor_info_t          *mi;
 104         Entry                   *e_database, **ep;
 105         int                     i;
 106         monitor_entry_t         *mp;
 107         monitor_subsys_t        *ms_backend,
 108                                 *ms_overlay;
 109
 110         assert( be != NULL );
 111
 112         mi = ( monitor_info_t * )be->be_private;
 113
 114         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 115         if ( ms_backend == NULL ) {
 116                 Debug( LDAP_DEBUG_ANY,
 117                         "monitor_subsys_database_init: "
 118                         "unable to get "
 119                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 120                         "subsystem\n",
 121                         0, 0, 0 );
 122                 return -1;
 123         }
 124
 125         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 126         if ( ms_overlay == NULL ) {
 127                 Debug( LDAP_DEBUG_ANY,
 128                         "monitor_subsys_database_init: "
 129                         "unable to get "
 130                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 131                         "subsystem\n",
 132                         0, 0, 0 );
 133                 return -1;
 134         }
 135
 136         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 137                 Debug( LDAP_DEBUG_ANY,
 138                         "monitor_subsys_database_init: "
 139                         "unable to get entry \"%s\"\n",
 140                         ms->mss_ndn.bv_val, 0, 0 );
 141                 return( -1 );
 142         }
 143
 144         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 145         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 146
 147         mp = ( monitor_entry_t * )e_database->e_private;
 148         mp->mp_children = NULL;
 149         ep = &mp->mp_children;
 150
 151         for ( i = 0; i < nBackendDB; i++ ) {
 152                 char            buf[ BACKMONITOR_BUFSIZE ];
 153                 int             j;
 154                 slap_overinfo   *oi = NULL;
 155                 BackendInfo     *bi;
 156                 Entry           *e;
 157
 158                 be = &backendDB[ i ];
 159
 160                 bi = be->bd_info;
 161
 162                 if ( overlay_is_over( be ) ) {
 163                         oi = (slap_overinfo *)be->bd_info->bi_private;
 164                         bi = oi->oi_orig;
 165                 }
 166
 167                 /* Subordinates are not exposed as their own naming context */
 168                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 169                         continue;
 170                 }
 171
 172                 snprintf( buf, sizeof( buf ),
 173                                 "dn: cn=Database %d,%s\n"
 174                                 "objectClass: %s\n"
 175                                 "structuralObjectClass: %s\n"
 176                                 "cn: Database %d\n"
 177                                 "description: This object contains the type of the database.\n"
 178                                 "%s: %s\n"
 179                                 "creatorsName: %s\n"
 180                                 "modifiersName: %s\n"
 181                                 "createTimestamp: %s\n"
 182                                 "modifyTimestamp: %s\n",
 183                                 i,
 184                                 ms->mss_dn.bv_val,
 185                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 186                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 187                                 i,
 188                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 189                                 bi->bi_type,
 190                                 mi->mi_creatorsName.bv_val,
 191                                 mi->mi_creatorsName.bv_val,
 192                                 mi->mi_startTime.bv_val,
 193                                 mi->mi_startTime.bv_val );
 194
 195                 e = str2entry( buf );
 196                 if ( e == NULL ) {
 197                         Debug( LDAP_DEBUG_ANY,
 198                                 "monitor_subsys_database_init: "
 199                                 "unable to create entry \"cn=Database %d,%s\"\n",
 200                                 i, ms->mss_ndn.bv_val, 0 );
 201                         return( -1 );
 202                 }
 203
 204                 if ( SLAP_MONITOR(be) ) {
 205                         attr_merge( e, slap_schema.si_ad_monitorContext,
 206                                         be->be_suffix, be->be_nsuffix );
 207                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 208                                         be->be_suffix, be->be_nsuffix );
 209                 } else {
 210                         attr_merge( e, slap_schema.si_ad_namingContexts,
 211                                         be->be_suffix, be->be_nsuffix );
 212                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 213                                         be->be_suffix, be->be_nsuffix );
 214                 }
 215
 216                 (void)init_readOnly( mi, e, be->be_restrictops );
 217                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 218
 219                 if ( oi != NULL ) {
 220                         slap_overinst *on = oi->oi_list;
 221
 222                         for ( ; on; on = on->on_next ) {
 223                                 struct berval           bv;
 224                                 slap_overinst           *on2;
 225
 226                                 bv.bv_val = on->on_bi.bi_type;
 227                                 bv.bv_len = strlen( bv.bv_val );
 228                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 229                                                 &bv, NULL );
 230
 231                                 /* find the overlay number, j */
 232                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 233                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 234                                                 break;
 235                                         }
 236                                 }
 237                                 assert( on2 );
 238
 239                                 snprintf( buf, sizeof( buf ),
 240                                         "cn=Overlay %d,%s",
 241                                         j, ms_overlay->mss_dn.bv_val );
 242                                 bv.bv_val = buf;
 243                                 bv.bv_len = strlen( buf );
 244                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 245                                                 &bv, NULL );
 246                         }
 247                 }
 248
 249 #if defined(SLAPD_LDAP)
 250                 if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 251                         struct ldapinfo         *li = (struct ldapinfo *)be->be_private;
 252                         struct berval           bv;
 253
 254                         bv.bv_val = li->url;
 255                         bv.bv_len = strlen( bv.bv_val );
 256                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 257                                         &bv, NULL );
 258                 }
 259 #endif /* defined(SLAPD_LDAP) */
 260
 261                 for ( j = 0; j < nBackendInfo; j++ ) {
 262                         if ( backendInfo[ j ].bi_type == bi->bi_type ) {
 263                                 struct berval           bv;
 264
 265                                 snprintf( buf, sizeof( buf ),
 266                                         "cn=Backend %d,%s",
 267                                         j, ms_backend->mss_dn.bv_val );
 268                                 bv.bv_val = buf;
 269                                 bv.bv_len = strlen( buf );
 270                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 271                                                 &bv, NULL );
 272                                 break;
 273                         }
 274                 }
 275                 /* we must find it! */
 276                 assert( j >= 0 );
 277
 278                 mp = monitor_entrypriv_create();
 279                 if ( mp == NULL ) {
 280                         return -1;
 281                 }
 282                 e->e_private = ( void * )mp;
 283                 mp->mp_info = ms;
 284                 mp->mp_flags = ms->mss_flags
 285                         | MONITOR_F_SUB;
 286
 287                 if ( monitor_cache_add( mi, e ) ) {
 288                         Debug( LDAP_DEBUG_ANY,
 289                                 "monitor_subsys_database_init: "
 290                                 "unable to add entry \"cn=Database %d,%s\"\n",
 291                                 i, ms->mss_ndn.bv_val, 0 );
 292                         return( -1 );
 293                 }
 294
 295 #if defined(LDAP_SLAPI)
 296                 monitor_back_add_plugin( be, e );
 297 #endif /* defined(LDAP_SLAPI) */
 298
 299                 *ep = e;
 300                 ep = &mp->mp_next;
 301         }
 302
 303         monitor_cache_release( mi, e_database );
 304
 305         return( 0 );
 306 }
 307
 308 /*
 309  * v: array of values
 310  * cur: must not contain the tags corresponding to the values in v
 311  * delta: will contain the tags corresponding to the values in v
 312  */
 313 static int
 314 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 315 {
 316         for ( ; !BER_BVISNULL( v ); v++ ) {
 317                 struct restricted_ops_t         *rops;
 318                 int                             i;
 319
 320                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 321                         rops = restricted_exops;
 322
 323                 } else {
 324                         rops = restricted_ops;
 325                 }
 326
 327                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 328                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 329                                 continue;
 330                         }
 331
 332                         if ( rops[ i ].tag & *delta ) {
 333                                 return LDAP_OTHER;
 334                         }
 335
 336                         if ( rops[ i ].tag & cur ) {
 337                                 return LDAP_OTHER;
 338                         }
 339
 340                         cur |= rops[ i ].tag;
 341                         *delta |= rops[ i ].tag;
 342
 343                         break;
 344                 }
 345
 346                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 347                         return LDAP_INVALID_SYNTAX;
 348                 }
 349         }
 350
 351         return LDAP_SUCCESS;
 352 }
 353
 354 int
 355 monitor_subsys_database_modify(
 356         Operation       *op,
 357         Entry           *e
 358 )
 359 {
 360         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 361         int             rc = LDAP_OTHER;
 362         Attribute       *save_attrs, *a;
 363         Modifications   *modlist = op->oq_modify.rs_modlist;
 364         Modifications   *ml;
 365         Backend         *be;
 366         int             ro_gotval = 1, i, n;
 367         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 368         struct berval   *tf;
 369
 370         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 371         if ( i != 1 )
 372                 return LDAP_UNWILLING_TO_PERFORM;
 373
 374         if ( n < 0 || n >= nBackendDB )
 375                 return LDAP_NO_SUCH_OBJECT;
 376
 377         /* do not allow some changes on back-monitor (needs work)... */
 378         be = &backendDB[ n ];
 379         if ( SLAP_MONITOR( be ) )
 380                 return LDAP_UNWILLING_TO_PERFORM;
 381
 382         rp_cur = be->be_restrictops;
 383
 384         save_attrs = e->e_attrs;
 385         e->e_attrs = attrs_dup( e->e_attrs );
 386
 387         for ( ml=modlist; ml; ml=ml->sml_next ) {
 388                 Modification *mod = &ml->sml_mod;
 389
 390                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 391                         int     val = -1;
 392
 393                         if ( mod->sm_values ) {
 394                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 395                                         rc = LDAP_CONSTRAINT_VIOLATION;
 396                                         goto done;
 397                                 }
 398
 399                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 400                                         val = 1;
 401
 402                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 403                                         val = 0;
 404
 405                                 } else {
 406                                         rc = LDAP_INVALID_SYNTAX;
 407                                         goto done;
 408                                 }
 409                         }
 410
 411                         switch ( mod->sm_op ) {
 412                         case LDAP_MOD_DELETE:
 413                                 if ( ro_gotval < 1 ) {
 414                                         rc = LDAP_CONSTRAINT_VIOLATION;
 415                                         goto done;
 416                                 }
 417                                 ro_gotval--;
 418
 419                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 420                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 421                                         goto done;
 422                                 }
 423
 424                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 425                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 426                                         goto done;
 427                                 }
 428
 429                                 break;
 430
 431                         case LDAP_MOD_REPLACE:
 432                                 ro_gotval = 0;
 433                                 /* fall thru */
 434
 435                         case LDAP_MOD_ADD:
 436                                 if ( ro_gotval > 0 ) {
 437                                         rc = LDAP_CONSTRAINT_VIOLATION;
 438                                         goto done;
 439                                 }
 440                                 ro_gotval++;
 441
 442                                 if ( val == 1 ) {
 443                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 444                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 445                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 446
 447                                 } else if ( val == 0 ) {
 448                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 449                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 450                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 451                                 }
 452                                 break;
 453
 454                         default:
 455                                 rc = LDAP_OTHER;
 456                                 goto done;
 457                         }
 458
 459                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 460                         slap_mask_t     mask = 0;
 461
 462                         switch ( mod->sm_op ) {
 463                         case LDAP_MOD_DELETE:
 464                                 if ( mod->sm_values == NULL ) {
 465                                         rp_delete = rp_cur;
 466                                         rp_cur = 0;
 467                                         rp_add = 0;
 468                                         break;
 469                                 }
 470                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 471                                 if ( rc == LDAP_SUCCESS ) {
 472                                         rp_delete |= mask;
 473                                         rp_add &= ~mask;
 474                                         rp_cur &= ~mask;
 475
 476                                 } else if ( rc == LDAP_OTHER ) {
 477                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 478                                 }
 479                                 break;
 480
 481                         case LDAP_MOD_REPLACE:
 482                                 rp_delete = rp_cur;
 483                                 rp_cur = 0;
 484                                 rp_add = 0;
 485                                 /* fall thru */
 486
 487                         case LDAP_MOD_ADD:
 488                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 489                                 if ( rc == LDAP_SUCCESS ) {
 490                                         rp_add |= mask;
 491                                         rp_cur |= mask;
 492                                         rp_delete &= ~mask;
 493
 494                                 } else if ( rc == LDAP_OTHER ) {
 495                                         rc = LDAP_TYPE_OR_VALUE_EXISTS;
 496                                 }
 497                                 break;
 498
 499                         default:
 500                                 rc = LDAP_OTHER;
 501                                 break;
 502                         }
 503
 504                         if ( rc != LDAP_SUCCESS ) {
 505                                 goto done;
 506                         }
 507
 508                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 509                 /* accept all operational attributes */
 510                         attr_delete( &e->e_attrs, mod->sm_desc );
 511                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 512                                 mod->sm_nvalues );
 513                         if ( rc ) {
 514                                 rc = LDAP_OTHER;
 515                                 break;
 516                         }
 517
 518                 } else {
 519                         rc = LDAP_UNWILLING_TO_PERFORM;
 520                         break;
 521                 }
 522         }
 523
 524         /* sanity checks: */
 525         if ( ro_gotval < 1 ) {
 526                 rc = LDAP_CONSTRAINT_VIOLATION;
 527                 goto done;
 528         }
 529
 530         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 531                 rc = LDAP_CONSTRAINT_VIOLATION;
 532                 goto done;
 533         }
 534
 535         if ( rp_delete & rp_add ) {
 536                 rc = LDAP_OTHER;
 537                 goto done;
 538         }
 539
 540         /* check current value of readOnly */
 541         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 542                 tf = (struct berval *)&slap_true_bv;
 543
 544         } else {
 545                 tf = (struct berval *)&slap_false_bv;
 546         }
 547
 548         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 549         if ( a == NULL ) {
 550                 rc = LDAP_OTHER;
 551                 goto done;
 552         }
 553
 554         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 555                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 556                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, NULL );
 557         }
 558
 559         if ( rc == LDAP_SUCCESS ) {
 560                 if ( rp_delete ) {
 561                         if ( rp_delete == be->be_restrictops ) {
 562                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 563
 564                         } else {
 565                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 566                                 if ( a == NULL ) {
 567                                         rc = LDAP_OTHER;
 568                                         goto done;
 569                                 }
 570
 571                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 572                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 573                                                 int     j;
 574
 575                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 576                                                         int             k;
 577
 578                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 579                                                                 continue;
 580                                                         }
 581
 582                                                         ch_free( a->a_vals[ j ].bv_val );
 583                                                         ch_free( a->a_nvals[ j ].bv_val );
 584
 585                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 586                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 587                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 588                                                         }
 589
 590                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 591                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 592                                                 }
 593                                         }
 594                                 }
 595
 596                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 597                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 598                                                 int     j;
 599
 600                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 601                                                         int             k;
 602
 603                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 604                                                                 continue;
 605                                                         }
 606
 607                                                         ch_free( a->a_vals[ j ].bv_val );
 608                                                         ch_free( a->a_nvals[ j ].bv_val );
 609
 610                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 611                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 612                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 613                                                         }
 614
 615                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 616                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 617                                                 }
 618                                         }
 619                                 }
 620                         }
 621                 }
 622
 623                 if ( rp_add ) {
 624                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 625                                 if ( rp_add & restricted_ops[ i ].tag ) {
 626                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 627                                                         &restricted_ops[ i ].op, NULL );
 628                                 }
 629                         }
 630
 631                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 632                                 if ( rp_add & restricted_exops[ i ].tag ) {
 633                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 634                                                         &restricted_exops[ i ].op, NULL );
 635                                 }
 636                         }
 637                 }
 638         }
 639
 640         be->be_restrictops = rp_cur;
 641
 642 done:;
 643         if ( rc == LDAP_SUCCESS ) {
 644                 attrs_free( save_attrs );
 645
 646         } else {
 647                 Attribute *tmp = e->e_attrs;
 648                 e->e_attrs = save_attrs;
 649                 attrs_free( tmp );
 650         }
 651         return rc;
 652 }
 653
 654 #if defined(LDAP_SLAPI)
 655 static int
 656 monitor_back_add_plugin( Backend *be, Entry *e_database )
 657 {
 658         Slapi_PBlock    *pCurrentPB;
 659         int             i, rc = LDAP_SUCCESS;
 660         monitor_info_t  *mi = ( monitor_info_t * )be->be_private;
 661
 662         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 663                 /*
 664                  * LDAP_OTHER is returned if no plugins are installed
 665                  */
 666                 rc = LDAP_OTHER;
 667                 goto done;
 668         }
 669
 670         i = 0;
 671         do {
 672                 Slapi_PluginDesc        *srchdesc;
 673                 char                    buf[ BACKMONITOR_BUFSIZE ];
 674                 struct berval           bv;
 675
 676                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 677                                 &srchdesc );
 678                 if ( rc != LDAP_SUCCESS ) {
 679                         goto done;
 680                 }
 681
 682                 snprintf( buf, sizeof(buf),
 683                                 "plugin %d name: %s; "
 684                                 "vendor: %s; "
 685                                 "version: %s; "
 686                                 "description: %s",
 687                                 i,
 688                                 srchdesc->spd_id,
 689                                 srchdesc->spd_vendor,
 690                                 srchdesc->spd_version,
 691                                 srchdesc->spd_description );
 692
 693                 bv.bv_val = buf;
 694                 bv.bv_len = strlen( buf );
 695                 attr_merge_normalize_one( e_database,
 696                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 697
 698                 i++;
 699
 700         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 701                         && ( pCurrentPB != NULL ) );
 702
 703 done:
 704         return rc;
 705 }
 706 #endif /* defined(LDAP_SLAPI) */