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