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

   1 /* database.c - deals with database subsystem */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2006 The OpenLDAP Foundation.
   6  * Portions Copyright 2001-2003 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Pierangelo Masarati for inclusion
  19  * in OpenLDAP Software.
  20  */
  21
  22 #include "portable.h"
  23
  24 #include <stdio.h>
  25 #include <ac/string.h>
  26 #include <ac/unistd.h>
  27
  28 #include "slap.h"
  29 #include "back-monitor.h"
  30
  31 #if defined(LDAP_SLAPI)
  32 #include "slapi.h"
  33 static int monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e );
  34 #endif /* defined(LDAP_SLAPI) */
  35
  36 #if defined(SLAPD_LDAP)
  37 #include "../back-ldap/back-ldap.h"
  38 #endif /* defined(SLAPD_LDAP) */
  39 #if defined(SLAPD_META)
  40 #include "../back-meta/back-meta.h"
  41 #endif /* defined(SLAPD_META) */
  42
  43 /* for PATH_MAX on some systems (e.g. Solaris) */
  44 #ifdef HAVE_LIMITS_H
  45 #include <limits.h>
  46 #endif /* HAVE_LIMITS_H */
  47 #ifndef PATH_MAX
  48 #define PATH_MAX        4095
  49 #endif /* ! PATH_MAX */
  50
  51 static int
  52 monitor_subsys_database_modify(
  53         Operation       *op,
  54         SlapReply       *rs,
  55         Entry           *e );
  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_WHO_AM_I ),        SLAP_RESTRICT_EXOP_WHOAMI },
  74         { BER_BVC( LDAP_EXOP_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         ms->mss_modify = monitor_subsys_database_modify;
 133
 134         mi = ( monitor_info_t * )be->be_private;
 135
 136         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 137         if ( ms_backend == NULL ) {
 138                 Debug( LDAP_DEBUG_ANY,
 139                         "monitor_subsys_database_init: "
 140                         "unable to get "
 141                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 142                         "subsystem\n",
 143                         0, 0, 0 );
 144                 return -1;
 145         }
 146
 147         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 148         if ( ms_overlay == NULL ) {
 149                 Debug( LDAP_DEBUG_ANY,
 150                         "monitor_subsys_database_init: "
 151                         "unable to get "
 152                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 153                         "subsystem\n",
 154                         0, 0, 0 );
 155                 return -1;
 156         }
 157
 158         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 159                 Debug( LDAP_DEBUG_ANY,
 160                         "monitor_subsys_database_init: "
 161                         "unable to get entry \"%s\"\n",
 162                         ms->mss_ndn.bv_val, 0, 0 );
 163                 return( -1 );
 164         }
 165
 166         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 167         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 168
 169         mp = ( monitor_entry_t * )e_database->e_private;
 170         mp->mp_children = NULL;
 171         ep = &mp->mp_children;
 172
 173         i = -1;
 174         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 175                 char            buf[ BACKMONITOR_BUFSIZE ];
 176                 int             j;
 177                 slap_overinfo   *oi = NULL;
 178                 BackendInfo     *bi, *bi2;
 179                 Entry           *e;
 180                 struct berval bv;
 181
 182                 i++;
 183
 184                 bi = be->bd_info;
 185
 186                 if ( overlay_is_over( be ) ) {
 187                         oi = (slap_overinfo *)be->bd_info->bi_private;
 188                         bi = oi->oi_orig;
 189                 }
 190
 191                 /* Subordinates are not exposed as their own naming context */
 192                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 193                         continue;
 194                 }
 195
 196                 bv.bv_len = snprintf( buf, sizeof( buf ),
 197                                 "cn=Database %d", i );
 198                 bv.bv_val = buf;
 199                 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
 200                         mi->mi_oc_monitoredObject, mi, NULL, NULL );
 201
 202                 if ( e == NULL ) {
 203                         Debug( LDAP_DEBUG_ANY,
 204                                 "monitor_subsys_database_init: "
 205                                 "unable to create entry \"cn=Database %d,%s\"\n",
 206                                 i, ms->mss_dn.bv_val, 0 );
 207                         return( -1 );
 208                 }
 209
 210                 ber_str2bv( bi->bi_type, 0, 0, &bv );
 211                 attr_merge_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
 212                 attr_merge_one( e, mi->mi_ad_monitorIsShadow,
 213                         SLAP_SHADOW( be ) ? (struct berval *)&slap_true_bv :
 214                                 (struct berval *)&slap_false_bv, NULL );
 215
 216                 if ( SLAP_MONITOR( be ) ) {
 217                         attr_merge( e, slap_schema.si_ad_monitorContext,
 218                                         be->be_suffix, be->be_nsuffix );
 219                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 220                                         be->be_suffix, be->be_nsuffix );
 221
 222                 } else {
 223                         if ( be->be_suffix == NULL ) {
 224                                 Debug( LDAP_DEBUG_ANY,
 225                                         "monitor_subsys_database_init: "
 226                                         "missing suffix for database %d\n",
 227                                         i, 0, 0 );
 228                                 return -1;
 229                         }
 230                         attr_merge( e, slap_schema.si_ad_namingContexts,
 231                                         be->be_suffix, be->be_nsuffix );
 232                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 233                                         be->be_suffix, be->be_nsuffix );
 234                 }
 235
 236                 (void)init_readOnly( mi, e, be->be_restrictops );
 237                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 238
 239                 if ( SLAP_SHADOW( be ) && be->be_update_refs ) {
 240                         attr_merge_normalize( e, mi->mi_ad_monitorUpdateRef,
 241                                         be->be_update_refs, NULL );
 242                 }
 243
 244                 if ( oi != NULL ) {
 245                         slap_overinst   *on = oi->oi_list,
 246                                         *on1 = on;
 247
 248                         for ( ; on; on = on->on_next ) {
 249                                 struct berval           bv;
 250                                 slap_overinst           *on2;
 251
 252                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 253                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 254                                                 break;
 255                                         }
 256                                 }
 257
 258                                 if ( on2 != on ) {
 259                                         break;
 260                                 }
 261
 262                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 263                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 264                                                 &bv, NULL );
 265
 266                                 /* find the overlay number, j */
 267                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 268                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 269                                                 break;
 270                                         }
 271                                 }
 272                                 assert( on2 != NULL );
 273
 274                                 snprintf( buf, sizeof( buf ),
 275                                         "cn=Overlay %d,%s",
 276                                         j, ms_overlay->mss_dn.bv_val );
 277                                 ber_str2bv( buf, 0, 0, &bv );
 278                                 attr_merge_normalize_one( e,
 279                                                 slap_schema.si_ad_seeAlso,
 280                                                 &bv, NULL );
 281                         }
 282                 }
 283
 284
 285                 if ( 0 ) {
 286                         assert( 0 );
 287
 288 #if defined(SLAPD_LDAP)
 289                 } else if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 290                         ldapinfo_t      *li = (ldapinfo_t *)be->be_private;
 291 #if 0
 292                         attr_merge_normalize( e, slap_schema.si_ad_labeledURI,
 293                                         li->li_bvuri, NULL );
 294 #else
 295                         char            **urls = ldap_str2charray( li->li_uri, " " );
 296
 297                         if ( urls != NULL ) {
 298                                 int             u;
 299
 300                                 for ( u = 0; urls[ u ] != NULL; u++ ) {
 301                                         struct berval   bv;
 302
 303                                         ber_str2bv( urls[ u ], 0, 0, &bv );
 304
 305                                         attr_merge_normalize_one( e,
 306                                                 slap_schema.si_ad_labeledURI,
 307                                                 &bv, NULL );
 308                                 }
 309
 310                                 ldap_charray_free( urls );
 311                         }
 312 #endif
 313
 314 #endif /* defined(SLAPD_LDAP) */
 315 #if defined(SLAPD_META)
 316                 } else if ( strcmp( bi->bi_type, "meta" ) == 0 ) {
 317                         metainfo_t      *mi = (metainfo_t *)be->be_private;
 318                         int             t;
 319
 320                         for ( t = 0; t < mi->mi_ntargets; t++ ) {
 321                                 char            **urls = ldap_str2charray( mi->mi_targets[ t ]->mt_uri, " " );
 322
 323                                 if ( urls != NULL ) {
 324                                         int             u;
 325
 326                                         for ( u = 0; urls[ u ] != NULL; u++ ) {
 327                                                 struct berval   bv;
 328
 329                                                 ber_str2bv( urls[ u ], 0, 0, &bv );
 330
 331                                                 attr_merge_normalize_one( e,
 332                                                         slap_schema.si_ad_labeledURI,
 333                                                         &bv, NULL );
 334                                         }
 335                                         ldap_charray_free( urls );
 336                                 }
 337                         }
 338 #endif /* defined(SLAPD_META) */
 339                 }
 340
 341                 j = -1;
 342                 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
 343                         j++;
 344                         if ( bi2->bi_type == bi->bi_type ) {
 345                                 struct berval           bv;
 346
 347                                 snprintf( buf, sizeof( buf ),
 348                                         "cn=Backend %d,%s",
 349                                         j, ms_backend->mss_dn.bv_val );
 350                                 bv.bv_val = buf;
 351                                 bv.bv_len = strlen( buf );
 352                                 attr_merge_normalize_one( e,
 353                                                 slap_schema.si_ad_seeAlso,
 354                                                 &bv, NULL );
 355                                 break;
 356                         }
 357                 }
 358                 /* we must find it! */
 359                 assert( j >= 0 );
 360
 361                 mp = monitor_entrypriv_create();
 362                 if ( mp == NULL ) {
 363                         return -1;
 364                 }
 365                 e->e_private = ( void * )mp;
 366                 mp->mp_info = ms;
 367                 mp->mp_flags = ms->mss_flags
 368                         | MONITOR_F_SUB;
 369
 370                 if ( monitor_cache_add( mi, e ) ) {
 371                         Debug( LDAP_DEBUG_ANY,
 372                                 "monitor_subsys_database_init: "
 373                                 "unable to add entry \"cn=Database %d,%s\"\n",
 374                                 i, ms->mss_dn.bv_val, 0 );
 375                         return( -1 );
 376                 }
 377
 378 #if defined(LDAP_SLAPI)
 379                 monitor_back_add_plugin( mi, be, e );
 380 #endif /* defined(LDAP_SLAPI) */
 381
 382                 if ( oi != NULL ) {
 383                         Entry           **ep_overlay = &mp->mp_children;
 384                         monitor_entry_t *mp_overlay;
 385                         slap_overinst   *on = oi->oi_list;
 386                         int             o;
 387
 388                         for ( o = 0; on; o++, on = on->on_next ) {
 389                                 Entry                   *e_overlay;
 390                                 slap_overinst           *on2;
 391
 392                                 /* find the overlay number, j */
 393                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 394                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 395                                                 break;
 396                                         }
 397                                 }
 398                                 assert( on2 != NULL );
 399
 400                                 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", o );
 401                                 bv.bv_val = buf;
 402
 403                                 e_overlay = monitor_entry_stub( &e->e_name, &e->e_nname, &bv,
 404                                         mi->mi_oc_monitoredObject, mi, NULL, NULL );
 405
 406                                 if ( e_overlay == NULL ) {
 407                                         Debug( LDAP_DEBUG_ANY,
 408                                                 "monitor_subsys_database_init: "
 409                                                 "unable to create entry "
 410                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 411                                                 o, i, ms->mss_dn.bv_val );
 412                                         return( -1 );
 413                                 }
 414                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 415                                 attr_merge_one( e_overlay, mi->mi_ad_monitoredInfo, &bv, NULL );
 416
 417                                 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d,%s",
 418                                         j, ms_overlay->mss_dn.bv_val );
 419                                 bv.bv_val = buf;
 420                                 attr_merge_normalize_one( e_overlay, slap_schema.si_ad_seeAlso,
 421                                         &bv, NULL );
 422
 423                                 mp_overlay = monitor_entrypriv_create();
 424                                 if ( mp_overlay == NULL ) {
 425                                         return -1;
 426                                 }
 427                                 e_overlay->e_private = ( void * )mp_overlay;
 428                                 mp_overlay->mp_info = ms;
 429                                 mp_overlay->mp_flags = ms->mss_flags
 430                                         | MONITOR_F_SUB;
 431
 432                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 433                                         Debug( LDAP_DEBUG_ANY,
 434                                                 "monitor_subsys_database_init: "
 435                                                 "unable to add entry "
 436                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 437                                                 o, i, ms->mss_dn.bv_val );
 438                                         return( -1 );
 439                                 }
 440
 441                                 *ep_overlay = e_overlay;
 442                                 ep_overlay = &mp_overlay->mp_next;
 443                         }
 444                 }
 445
 446                 *ep = e;
 447                 ep = &mp->mp_next;
 448         }
 449
 450         monitor_cache_release( mi, e_database );
 451
 452         return( 0 );
 453 }
 454
 455 /*
 456  * v: array of values
 457  * cur: must not contain the tags corresponding to the values in v
 458  * delta: will contain the tags corresponding to the values in v
 459  */
 460 static int
 461 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 462 {
 463         for ( ; !BER_BVISNULL( v ); v++ ) {
 464                 struct restricted_ops_t         *rops;
 465                 int                             i;
 466
 467                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 468                         rops = restricted_exops;
 469
 470                 } else {
 471                         rops = restricted_ops;
 472                 }
 473
 474                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 475                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 476                                 continue;
 477                         }
 478
 479                         if ( rops[ i ].tag & *delta ) {
 480                                 return LDAP_OTHER;
 481                         }
 482
 483                         if ( rops[ i ].tag & cur ) {
 484                                 return LDAP_OTHER;
 485                         }
 486
 487                         cur |= rops[ i ].tag;
 488                         *delta |= rops[ i ].tag;
 489
 490                         break;
 491                 }
 492
 493                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 494                         return LDAP_INVALID_SYNTAX;
 495                 }
 496         }
 497
 498         return LDAP_SUCCESS;
 499 }
 500
 501 static int
 502 monitor_subsys_database_modify(
 503         Operation       *op,
 504         SlapReply       *rs,
 505         Entry           *e )
 506 {
 507         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 508         int             rc = LDAP_OTHER;
 509         Attribute       *save_attrs, *a;
 510         Modifications   *ml;
 511         Backend         *be;
 512         int             ro_gotval = 1, i, n;
 513         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 514         struct berval   *tf;
 515
 516         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 517         if ( i != 1 ) {
 518                 return SLAP_CB_CONTINUE;
 519         }
 520
 521         if ( n < 0 || n >= nBackendDB ) {
 522                 rs->sr_text = "invalid database index";
 523                 return ( rs->sr_err = LDAP_NO_SUCH_OBJECT );
 524         }
 525
 526         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 527                 if ( n == 0 ) {
 528                         break;
 529                 }
 530                 n--;
 531         }
 532         /* do not allow some changes on back-monitor (needs work)... */
 533         if ( SLAP_MONITOR( be ) ) {
 534                 rs->sr_text = "no modifications allowed to monitor database entry";
 535                 return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM );
 536         }
 537
 538         rp_cur = be->be_restrictops;
 539
 540         save_attrs = e->e_attrs;
 541         e->e_attrs = attrs_dup( e->e_attrs );
 542
 543         for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
 544                 Modification *mod = &ml->sml_mod;
 545
 546                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 547                         int     val = -1;
 548
 549                         if ( mod->sm_values ) {
 550                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 551                                         rs->sr_text = "attempting to modify multiple values of single-valued attribute";
 552                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 553                                         goto done;
 554                                 }
 555
 556                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 557                                         val = 1;
 558
 559                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 560                                         val = 0;
 561
 562                                 } else {
 563                                         assert( 0 );
 564                                         rc = rs->sr_err = LDAP_INVALID_SYNTAX;
 565                                         goto done;
 566                                 }
 567                         }
 568
 569                         switch ( mod->sm_op ) {
 570                         case LDAP_MOD_DELETE:
 571                                 if ( ro_gotval < 1 ) {
 572                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 573                                         goto done;
 574                                 }
 575                                 ro_gotval--;
 576
 577                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 578                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 579                                         goto done;
 580                                 }
 581
 582                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 583                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 584                                         goto done;
 585                                 }
 586
 587                                 break;
 588
 589                         case LDAP_MOD_REPLACE:
 590                                 ro_gotval = 0;
 591                                 /* fall thru */
 592
 593                         case LDAP_MOD_ADD:
 594                                 if ( ro_gotval > 0 ) {
 595                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 596                                         goto done;
 597                                 }
 598                                 ro_gotval++;
 599
 600                                 if ( val == 1 ) {
 601                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 602                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 603                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 604
 605                                 } else if ( val == 0 ) {
 606                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 607                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 608                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 609                                 }
 610                                 break;
 611
 612                         default:
 613                                 rc = rs->sr_err = LDAP_OTHER;
 614                                 goto done;
 615                         }
 616
 617                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 618                         slap_mask_t     mask = 0;
 619
 620                         switch ( mod->sm_op ) {
 621                         case LDAP_MOD_DELETE:
 622                                 if ( mod->sm_values == NULL ) {
 623                                         rp_delete = rp_cur;
 624                                         rp_cur = 0;
 625                                         rp_add = 0;
 626                                         break;
 627                                 }
 628                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 629                                 if ( rc == LDAP_SUCCESS ) {
 630                                         rp_delete |= mask;
 631                                         rp_add &= ~mask;
 632                                         rp_cur &= ~mask;
 633
 634                                 } else if ( rc == LDAP_OTHER ) {
 635                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 636                                 }
 637                                 break;
 638
 639                         case LDAP_MOD_REPLACE:
 640                                 rp_delete = rp_cur;
 641                                 rp_cur = 0;
 642                                 rp_add = 0;
 643                                 /* fall thru */
 644
 645                         case LDAP_MOD_ADD:
 646                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 647                                 if ( rc == LDAP_SUCCESS ) {
 648                                         rp_add |= mask;
 649                                         rp_cur |= mask;
 650                                         rp_delete &= ~mask;
 651
 652                                 } else if ( rc == LDAP_OTHER ) {
 653                                         rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS;
 654                                 }
 655                                 break;
 656
 657                         default:
 658                                 rc = rs->sr_err = LDAP_OTHER;
 659                                 break;
 660                         }
 661
 662                         if ( rc != LDAP_SUCCESS ) {
 663                                 goto done;
 664                         }
 665
 666                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 667                 /* accept all operational attributes */
 668                         attr_delete( &e->e_attrs, mod->sm_desc );
 669                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 670                                 mod->sm_nvalues );
 671                         if ( rc ) {
 672                                 rc = rs->sr_err = LDAP_OTHER;
 673                                 break;
 674                         }
 675
 676                 } else {
 677                         rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 678                         break;
 679                 }
 680         }
 681
 682         /* sanity checks: */
 683         if ( ro_gotval < 1 ) {
 684                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 685                 goto done;
 686         }
 687
 688         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 689                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 690                 goto done;
 691         }
 692
 693         if ( rp_delete & rp_add ) {
 694                 rc = rs->sr_err = LDAP_OTHER;
 695                 goto done;
 696         }
 697
 698         /* check current value of readOnly */
 699         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 700                 tf = (struct berval *)&slap_true_bv;
 701
 702         } else {
 703                 tf = (struct berval *)&slap_false_bv;
 704         }
 705
 706         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 707         if ( a == NULL ) {
 708                 rc = LDAP_OTHER;
 709                 goto done;
 710         }
 711
 712         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 713                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 714                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
 715         }
 716
 717         if ( rc == LDAP_SUCCESS ) {
 718                 if ( rp_delete ) {
 719                         if ( rp_delete == be->be_restrictops ) {
 720                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 721
 722                         } else {
 723                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 724                                 if ( a == NULL ) {
 725                                         rc = rs->sr_err = LDAP_OTHER;
 726                                         goto done;
 727                                 }
 728
 729                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 730                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 731                                                 int     j;
 732
 733                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 734                                                         int             k;
 735
 736                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 737                                                                 continue;
 738                                                         }
 739
 740                                                         ch_free( a->a_vals[ j ].bv_val );
 741                                                         ch_free( a->a_nvals[ j ].bv_val );
 742
 743                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 744                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 745                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 746                                                         }
 747
 748                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 749                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 750                                                 }
 751                                         }
 752                                 }
 753
 754                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 755                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 756                                                 int     j;
 757
 758                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 759                                                         int             k;
 760
 761                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 762                                                                 continue;
 763                                                         }
 764
 765                                                         ch_free( a->a_vals[ j ].bv_val );
 766                                                         ch_free( a->a_nvals[ j ].bv_val );
 767
 768                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 769                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 770                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 771                                                         }
 772
 773                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 774                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 775                                                 }
 776                                         }
 777                                 }
 778                         }
 779                 }
 780
 781                 if ( rp_add ) {
 782                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 783                                 if ( rp_add & restricted_ops[ i ].tag ) {
 784                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 785                                                         &restricted_ops[ i ].op,
 786                                                         &restricted_ops[ i ].op );
 787                                 }
 788                         }
 789
 790                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 791                                 if ( rp_add & restricted_exops[ i ].tag ) {
 792                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 793                                                         &restricted_exops[ i ].op,
 794                                                         &restricted_exops[ i ].op );
 795                                 }
 796                         }
 797                 }
 798         }
 799
 800         be->be_restrictops = rp_cur;
 801
 802 done:;
 803         if ( rc == LDAP_SUCCESS ) {
 804                 attrs_free( save_attrs );
 805                 rc = SLAP_CB_CONTINUE;
 806
 807         } else {
 808                 Attribute *tmp = e->e_attrs;
 809                 e->e_attrs = save_attrs;
 810                 attrs_free( tmp );
 811         }
 812         return rc;
 813 }
 814
 815 #if defined(LDAP_SLAPI)
 816 static int
 817 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
 818 {
 819         Slapi_PBlock    *pCurrentPB;
 820         int             i, rc = LDAP_SUCCESS;
 821
 822         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 823                 /*
 824                  * LDAP_OTHER is returned if no plugins are installed
 825                  */
 826                 rc = LDAP_OTHER;
 827                 goto done;
 828         }
 829
 830         i = 0;
 831         do {
 832                 Slapi_PluginDesc        *srchdesc;
 833                 char                    buf[ BACKMONITOR_BUFSIZE ];
 834                 struct berval           bv;
 835
 836                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 837                                 &srchdesc );
 838                 if ( rc != LDAP_SUCCESS ) {
 839                         goto done;
 840                 }
 841
 842                 snprintf( buf, sizeof(buf),
 843                                 "plugin %d name: %s; "
 844                                 "vendor: %s; "
 845                                 "version: %s; "
 846                                 "description: %s",
 847                                 i,
 848                                 srchdesc->spd_id,
 849                                 srchdesc->spd_vendor,
 850                                 srchdesc->spd_version,
 851                                 srchdesc->spd_description );
 852
 853                 ber_str2bv( buf, 0, 0, &bv );
 854                 attr_merge_normalize_one( e_database,
 855                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 856
 857                 i++;
 858
 859         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 860                         && ( pCurrentPB != NULL ) );
 861
 862 done:
 863         return rc;
 864 }
 865 #endif /* defined(LDAP_SLAPI) */