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

   1 /* database.c - deals with database subsystem */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2006 The OpenLDAP Foundation.
   6  * Portions Copyright 2001-2003 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Pierangelo Masarati for inclusion
  19  * in OpenLDAP Software.
  20  */
  21
  22 #include "portable.h"
  23
  24 #include <stdio.h>
  25 #include <ac/string.h>
  26 #include <ac/unistd.h>
  27
  28 #include "slap.h"
  29 #include "back-monitor.h"
  30
  31 #if defined(LDAP_SLAPI)
  32 #include "slapi.h"
  33 static int monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e );
  34 #endif /* defined(LDAP_SLAPI) */
  35
  36 #if defined(SLAPD_BDB)
  37 #include "../back-bdb/back-bdb.h"
  38 #endif /* defined(SLAPD_BDB) */
  39 #if defined(SLAPD_HDB)
  40 #include "../back-hdb/back-bdb.h"
  41 #endif /* defined(SLAPD_HDB) */
  42 #if defined(SLAPD_LDAP)
  43 #include "../back-ldap/back-ldap.h"
  44 #endif /* defined(SLAPD_LDAP) */
  45 #if defined(SLAPD_META)
  46 #include "../back-meta/back-meta.h"
  47 #endif /* defined(SLAPD_META) */
  48
  49 /* for PATH_MAX on some systems (e.g. Solaris) */
  50 #ifdef HAVE_LIMITS_H
  51 #include <limits.h>
  52 #endif /* HAVE_LIMITS_H */
  53 #ifndef PATH_MAX
  54 #define PATH_MAX        4095
  55 #endif /* ! PATH_MAX */
  56
  57 static int
  58 monitor_subsys_database_modify(
  59         Operation       *op,
  60         SlapReply       *rs,
  61         Entry           *e );
  62
  63 static struct restricted_ops_t {
  64         struct berval   op;
  65         unsigned int    tag;
  66 } restricted_ops[] = {
  67         { BER_BVC( "add" ),                     SLAP_RESTRICT_OP_ADD },
  68         { BER_BVC( "bind" ),                    SLAP_RESTRICT_OP_BIND },
  69         { BER_BVC( "compare" ),                 SLAP_RESTRICT_OP_COMPARE },
  70         { BER_BVC( "delete" ),                  SLAP_RESTRICT_OP_DELETE },
  71         { BER_BVC( "extended" ),                SLAP_RESTRICT_OP_EXTENDED },
  72         { BER_BVC( "modify" ),                  SLAP_RESTRICT_OP_MODIFY },
  73         { BER_BVC( "rename" ),                  SLAP_RESTRICT_OP_RENAME },
  74         { BER_BVC( "search" ),                  SLAP_RESTRICT_OP_SEARCH },
  75         { BER_BVNULL,                           0 }
  76 }, restricted_exops[] = {
  77         { BER_BVC( LDAP_EXOP_START_TLS ),       SLAP_RESTRICT_EXOP_START_TLS },
  78         { BER_BVC( LDAP_EXOP_MODIFY_PASSWD ),   SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
  79         { BER_BVC( LDAP_EXOP_WHO_AM_I ),        SLAP_RESTRICT_EXOP_WHOAMI },
  80         { BER_BVC( LDAP_EXOP_CANCEL ),  SLAP_RESTRICT_EXOP_CANCEL },
  81         { BER_BVNULL,                           0 }
  82 };
  83
  84 static int
  85 init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  86 {
  87         struct berval   *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ?
  88                 (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv;
  89
  90         return attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
  91 }
  92
  93 static int
  94 init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  95 {
  96         int     i, rc;
  97
  98         for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) {
  99                 if ( restrictops & restricted_ops[ i ].tag ) {
 100                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 101                                         &restricted_ops[ i ].op,
 102                                         &restricted_ops[ i ].op );
 103                         if ( rc ) {
 104                                 return rc;
 105                         }
 106                 }
 107         }
 108
 109         for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
 110                 if ( restrictops & restricted_exops[ i ].tag ) {
 111                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 112                                         &restricted_exops[ i ].op,
 113                                         &restricted_exops[ i ].op );
 114                         if ( rc ) {
 115                                 return rc;
 116                         }
 117                 }
 118         }
 119
 120         return LDAP_SUCCESS;
 121 }
 122
 123 int
 124 monitor_subsys_database_init(
 125         BackendDB               *be,
 126         monitor_subsys_t        *ms
 127 )
 128 {
 129         monitor_info_t          *mi;
 130         Entry                   *e_database, **ep;
 131         int                     i;
 132         monitor_entry_t         *mp;
 133         monitor_subsys_t        *ms_backend,
 134                                 *ms_overlay;
 135
 136         assert( be != NULL );
 137
 138         ms->mss_modify = monitor_subsys_database_modify;
 139
 140         mi = ( monitor_info_t * )be->be_private;
 141
 142         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 143         if ( ms_backend == NULL ) {
 144                 Debug( LDAP_DEBUG_ANY,
 145                         "monitor_subsys_database_init: "
 146                         "unable to get "
 147                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 148                         "subsystem\n",
 149                         0, 0, 0 );
 150                 return -1;
 151         }
 152
 153         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 154         if ( ms_overlay == NULL ) {
 155                 Debug( LDAP_DEBUG_ANY,
 156                         "monitor_subsys_database_init: "
 157                         "unable to get "
 158                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 159                         "subsystem\n",
 160                         0, 0, 0 );
 161                 return -1;
 162         }
 163
 164         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 165                 Debug( LDAP_DEBUG_ANY,
 166                         "monitor_subsys_database_init: "
 167                         "unable to get entry \"%s\"\n",
 168                         ms->mss_ndn.bv_val, 0, 0 );
 169                 return( -1 );
 170         }
 171
 172         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 173         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 174
 175         mp = ( monitor_entry_t * )e_database->e_private;
 176         mp->mp_children = NULL;
 177         ep = &mp->mp_children;
 178
 179         i = -1;
 180         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 181                 char            buf[ BACKMONITOR_BUFSIZE ];
 182                 int             j;
 183                 slap_overinfo   *oi = NULL;
 184                 BackendInfo     *bi, *bi2;
 185                 Entry           *e;
 186                 struct berval bv;
 187
 188                 i++;
 189
 190                 bi = be->bd_info;
 191
 192                 if ( overlay_is_over( be ) ) {
 193                         oi = (slap_overinfo *)be->bd_info->bi_private;
 194                         bi = oi->oi_orig;
 195                 }
 196
 197                 /* Subordinates are not exposed as their own naming context */
 198                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 199                         continue;
 200                 }
 201
 202                 bv.bv_len = snprintf( buf, sizeof( buf ),
 203                                 "cn=Database %d", i );
 204                 bv.bv_val = buf;
 205                 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
 206                         mi->mi_oc_monitoredObject, mi, NULL, NULL );
 207
 208                 if ( e == NULL ) {
 209                         Debug( LDAP_DEBUG_ANY,
 210                                 "monitor_subsys_database_init: "
 211                                 "unable to create entry \"cn=Database %d,%s\"\n",
 212                                 i, ms->mss_dn.bv_val, 0 );
 213                         return( -1 );
 214                 }
 215
 216                 ber_str2bv( bi->bi_type, 0, 0, &bv );
 217                 attr_merge_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
 218                 attr_merge_one( e, mi->mi_ad_monitorIsShadow,
 219                         SLAP_SHADOW( be ) ? (struct berval *)&slap_true_bv :
 220                                 (struct berval *)&slap_false_bv, NULL );
 221
 222                 if ( SLAP_MONITOR( be ) ) {
 223                         attr_merge( e, slap_schema.si_ad_monitorContext,
 224                                         be->be_suffix, be->be_nsuffix );
 225                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 226                                         be->be_suffix, be->be_nsuffix );
 227
 228                 } else {
 229                         if ( be->be_suffix == NULL ) {
 230                                 Debug( LDAP_DEBUG_ANY,
 231                                         "monitor_subsys_database_init: "
 232                                         "missing suffix for database %d\n",
 233                                         i, 0, 0 );
 234                                 return -1;
 235                         }
 236                         attr_merge( e, slap_schema.si_ad_namingContexts,
 237                                         be->be_suffix, be->be_nsuffix );
 238                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 239                                         be->be_suffix, be->be_nsuffix );
 240                 }
 241
 242                 (void)init_readOnly( mi, e, be->be_restrictops );
 243                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 244
 245                 if ( SLAP_SHADOW( be ) && be->be_update_refs ) {
 246                         attr_merge_normalize( e, mi->mi_ad_monitorUpdateRef,
 247                                         be->be_update_refs, NULL );
 248                 }
 249
 250                 if ( oi != NULL ) {
 251                         slap_overinst   *on = oi->oi_list,
 252                                         *on1 = on;
 253
 254                         for ( ; on; on = on->on_next ) {
 255                                 struct berval           bv;
 256                                 slap_overinst           *on2;
 257
 258                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 259                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 260                                                 break;
 261                                         }
 262                                 }
 263
 264                                 if ( on2 != on ) {
 265                                         break;
 266                                 }
 267
 268                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 269                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 270                                                 &bv, NULL );
 271
 272                                 /* find the overlay number, j */
 273                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 274                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 275                                                 break;
 276                                         }
 277                                 }
 278                                 assert( on2 != NULL );
 279
 280                                 snprintf( buf, sizeof( buf ),
 281                                         "cn=Overlay %d,%s",
 282                                         j, ms_overlay->mss_dn.bv_val );
 283                                 ber_str2bv( buf, 0, 0, &bv );
 284                                 attr_merge_normalize_one( e,
 285                                                 slap_schema.si_ad_seeAlso,
 286                                                 &bv, NULL );
 287                         }
 288                 }
 289
 290
 291                 if ( 0 ) {
 292                         assert( 0 );
 293
 294 #if defined(SLAPD_BDB) || defined(SLAPD_HDB)
 295                 } else if ( strcmp( bi->bi_type, "bdb" ) == 0
 296                                 || strcmp( bi->bi_type, "hdb" ) == 0 )
 297                 {
 298                         struct berval   bv;
 299                         ber_len_t       pathlen = 0, len = 0;
 300                         char            path[ PATH_MAX ] = { '\0' };
 301                         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 302                         char            *fname = bdb->bi_dbenv_home;
 303
 304                         len = strlen( fname );
 305                         if ( fname[ 0 ] != '/' ) {
 306                                 /* get full path name */
 307                                 getcwd( path, sizeof( path ) );
 308                                 pathlen = strlen( path );
 309
 310                                 if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
 311                                         fname += 2;
 312                                         len -= 2;
 313                                 }
 314                         }
 315
 316                         bv.bv_len = STRLENOF( "file://" ) + pathlen
 317                                 + STRLENOF( "/" ) + len;
 318                         bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
 319                         AC_MEMCPY( bv.bv_val, "file://", STRLENOF( "file://" ) );
 320                         if ( pathlen ) {
 321                                 AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) ],
 322                                                 path, pathlen );
 323                                 bv.bv_val[ STRLENOF( "file://" ) + pathlen ] = '/';
 324                                 pathlen++;
 325                         }
 326                         AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) + pathlen ],
 327                                         fname, len );
 328                         if ( bv.bv_val[ bv.bv_len - 1 ] != '/' ) {
 329                                 bv.bv_val[ bv.bv_len ] = '/';
 330                                 bv.bv_len++;
 331                         }
 332                         bv.bv_val[ bv.bv_len ] = '\0';
 333
 334                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 335                                         &bv, NULL );
 336
 337                         ch_free( bv.bv_val );
 338
 339 #endif /* defined(SLAPD_BDB) || defined(SLAPD_HDB) */
 340 #if defined(SLAPD_LDAP)
 341                 } else if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 342                         ldapinfo_t      *li = (ldapinfo_t *)be->be_private;
 343 #if 0
 344                         attr_merge_normalize( e, slap_schema.si_ad_labeledURI,
 345                                         li->li_bvuri, NULL );
 346 #else
 347                         char            **urls = ldap_str2charray( li->li_uri, " " );
 348
 349                         if ( urls != NULL ) {
 350                                 int             u;
 351
 352                                 for ( u = 0; urls[ u ] != NULL; u++ ) {
 353                                         struct berval   bv;
 354
 355                                         ber_str2bv( urls[ u ], 0, 0, &bv );
 356
 357                                         attr_merge_normalize_one( e,
 358                                                 slap_schema.si_ad_labeledURI,
 359                                                 &bv, NULL );
 360                                 }
 361
 362                                 ldap_charray_free( urls );
 363                         }
 364 #endif
 365
 366 #endif /* defined(SLAPD_LDAP) */
 367 #if defined(SLAPD_META)
 368                 } else if ( strcmp( bi->bi_type, "meta" ) == 0 ) {
 369                         metainfo_t      *mi = (metainfo_t *)be->be_private;
 370                         int             t;
 371
 372                         for ( t = 0; t < mi->mi_ntargets; t++ ) {
 373                                 char            **urls = ldap_str2charray( mi->mi_targets[ t ]->mt_uri, " " );
 374
 375                                 if ( urls != NULL ) {
 376                                         int             u;
 377
 378                                         for ( u = 0; urls[ u ] != NULL; u++ ) {
 379                                                 struct berval   bv;
 380
 381                                                 ber_str2bv( urls[ u ], 0, 0, &bv );
 382
 383                                                 attr_merge_normalize_one( e,
 384                                                         slap_schema.si_ad_labeledURI,
 385                                                         &bv, NULL );
 386                                         }
 387                                         ldap_charray_free( urls );
 388                                 }
 389                         }
 390 #endif /* defined(SLAPD_META) */
 391                 }
 392
 393                 j = -1;
 394                 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
 395                         j++;
 396                         if ( bi2->bi_type == bi->bi_type ) {
 397                                 struct berval           bv;
 398
 399                                 snprintf( buf, sizeof( buf ),
 400                                         "cn=Backend %d,%s",
 401                                         j, ms_backend->mss_dn.bv_val );
 402                                 bv.bv_val = buf;
 403                                 bv.bv_len = strlen( buf );
 404                                 attr_merge_normalize_one( e,
 405                                                 slap_schema.si_ad_seeAlso,
 406                                                 &bv, NULL );
 407                                 break;
 408                         }
 409                 }
 410                 /* we must find it! */
 411                 assert( j >= 0 );
 412
 413                 mp = monitor_entrypriv_create();
 414                 if ( mp == NULL ) {
 415                         return -1;
 416                 }
 417                 e->e_private = ( void * )mp;
 418                 mp->mp_info = ms;
 419                 mp->mp_flags = ms->mss_flags
 420                         | MONITOR_F_SUB;
 421
 422                 if ( monitor_cache_add( mi, e ) ) {
 423                         Debug( LDAP_DEBUG_ANY,
 424                                 "monitor_subsys_database_init: "
 425                                 "unable to add entry \"cn=Database %d,%s\"\n",
 426                                 i, ms->mss_dn.bv_val, 0 );
 427                         return( -1 );
 428                 }
 429
 430 #if defined(LDAP_SLAPI)
 431                 monitor_back_add_plugin( mi, be, e );
 432 #endif /* defined(LDAP_SLAPI) */
 433
 434                 if ( oi != NULL ) {
 435                         Entry           **ep_overlay = &mp->mp_children;
 436                         monitor_entry_t *mp_overlay;
 437                         slap_overinst   *on = oi->oi_list;
 438                         int             o;
 439
 440                         for ( o = 0; on; o++, on = on->on_next ) {
 441                                 Entry                   *e_overlay;
 442                                 slap_overinst           *on2;
 443
 444                                 /* find the overlay number, j */
 445                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 446                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 447                                                 break;
 448                                         }
 449                                 }
 450                                 assert( on2 != NULL );
 451
 452                                 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", o );
 453                                 bv.bv_val = buf;
 454
 455                                 e_overlay = monitor_entry_stub( &e->e_name, &e->e_nname, &bv,
 456                                         mi->mi_oc_monitoredObject, mi, NULL, NULL );
 457
 458                                 if ( e_overlay == NULL ) {
 459                                         Debug( LDAP_DEBUG_ANY,
 460                                                 "monitor_subsys_database_init: "
 461                                                 "unable to create entry "
 462                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 463                                                 o, i, ms->mss_dn.bv_val );
 464                                         return( -1 );
 465                                 }
 466                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 467                                 attr_merge_one( e_overlay, mi->mi_ad_monitoredInfo, &bv, NULL );
 468
 469                                 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d,%s",
 470                                         j, ms_overlay->mss_dn.bv_val );
 471                                 bv.bv_val = buf;
 472                                 attr_merge_normalize_one( e_overlay, slap_schema.si_ad_seeAlso,
 473                                         &bv, NULL );
 474
 475                                 mp_overlay = monitor_entrypriv_create();
 476                                 if ( mp_overlay == NULL ) {
 477                                         return -1;
 478                                 }
 479                                 e_overlay->e_private = ( void * )mp_overlay;
 480                                 mp_overlay->mp_info = ms;
 481                                 mp_overlay->mp_flags = ms->mss_flags
 482                                         | MONITOR_F_SUB;
 483
 484                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 485                                         Debug( LDAP_DEBUG_ANY,
 486                                                 "monitor_subsys_database_init: "
 487                                                 "unable to add entry "
 488                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 489                                                 o, i, ms->mss_dn.bv_val );
 490                                         return( -1 );
 491                                 }
 492
 493                                 *ep_overlay = e_overlay;
 494                                 ep_overlay = &mp_overlay->mp_next;
 495                         }
 496                 }
 497
 498                 *ep = e;
 499                 ep = &mp->mp_next;
 500         }
 501
 502         monitor_cache_release( mi, e_database );
 503
 504         return( 0 );
 505 }
 506
 507 /*
 508  * v: array of values
 509  * cur: must not contain the tags corresponding to the values in v
 510  * delta: will contain the tags corresponding to the values in v
 511  */
 512 static int
 513 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 514 {
 515         for ( ; !BER_BVISNULL( v ); v++ ) {
 516                 struct restricted_ops_t         *rops;
 517                 int                             i;
 518
 519                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 520                         rops = restricted_exops;
 521
 522                 } else {
 523                         rops = restricted_ops;
 524                 }
 525
 526                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 527                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 528                                 continue;
 529                         }
 530
 531                         if ( rops[ i ].tag & *delta ) {
 532                                 return LDAP_OTHER;
 533                         }
 534
 535                         if ( rops[ i ].tag & cur ) {
 536                                 return LDAP_OTHER;
 537                         }
 538
 539                         cur |= rops[ i ].tag;
 540                         *delta |= rops[ i ].tag;
 541
 542                         break;
 543                 }
 544
 545                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 546                         return LDAP_INVALID_SYNTAX;
 547                 }
 548         }
 549
 550         return LDAP_SUCCESS;
 551 }
 552
 553 static int
 554 monitor_subsys_database_modify(
 555         Operation       *op,
 556         SlapReply       *rs,
 557         Entry           *e )
 558 {
 559         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 560         int             rc = LDAP_OTHER;
 561         Attribute       *save_attrs, *a;
 562         Modifications   *ml;
 563         Backend         *be;
 564         int             ro_gotval = 1, i, n;
 565         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 566         struct berval   *tf;
 567
 568         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 569         if ( i != 1 ) {
 570                 return SLAP_CB_CONTINUE;
 571         }
 572
 573         if ( n < 0 || n >= nBackendDB ) {
 574                 rs->sr_text = "invalid database index";
 575                 return ( rs->sr_err = LDAP_NO_SUCH_OBJECT );
 576         }
 577
 578         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 579                 if ( n == 0 ) {
 580                         break;
 581                 }
 582                 n--;
 583         }
 584         /* do not allow some changes on back-monitor (needs work)... */
 585         if ( SLAP_MONITOR( be ) ) {
 586                 rs->sr_text = "no modifications allowed to monitor database entry";
 587                 return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM );
 588         }
 589
 590         rp_cur = be->be_restrictops;
 591
 592         save_attrs = e->e_attrs;
 593         e->e_attrs = attrs_dup( e->e_attrs );
 594
 595         for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
 596                 Modification *mod = &ml->sml_mod;
 597
 598                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 599                         int     val = -1;
 600
 601                         if ( mod->sm_values ) {
 602                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 603                                         rs->sr_text = "attempting to modify multiple values of single-valued attribute";
 604                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 605                                         goto done;
 606                                 }
 607
 608                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 609                                         val = 1;
 610
 611                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 612                                         val = 0;
 613
 614                                 } else {
 615                                         assert( 0 );
 616                                         rc = rs->sr_err = LDAP_INVALID_SYNTAX;
 617                                         goto done;
 618                                 }
 619                         }
 620
 621                         switch ( mod->sm_op ) {
 622                         case LDAP_MOD_DELETE:
 623                                 if ( ro_gotval < 1 ) {
 624                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 625                                         goto done;
 626                                 }
 627                                 ro_gotval--;
 628
 629                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 630                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 631                                         goto done;
 632                                 }
 633
 634                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 635                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 636                                         goto done;
 637                                 }
 638
 639                                 break;
 640
 641                         case LDAP_MOD_REPLACE:
 642                                 ro_gotval = 0;
 643                                 /* fall thru */
 644
 645                         case LDAP_MOD_ADD:
 646                                 if ( ro_gotval > 0 ) {
 647                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 648                                         goto done;
 649                                 }
 650                                 ro_gotval++;
 651
 652                                 if ( val == 1 ) {
 653                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 654                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 655                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 656
 657                                 } else if ( val == 0 ) {
 658                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 659                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 660                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 661                                 }
 662                                 break;
 663
 664                         default:
 665                                 rc = rs->sr_err = LDAP_OTHER;
 666                                 goto done;
 667                         }
 668
 669                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 670                         slap_mask_t     mask = 0;
 671
 672                         switch ( mod->sm_op ) {
 673                         case LDAP_MOD_DELETE:
 674                                 if ( mod->sm_values == NULL ) {
 675                                         rp_delete = rp_cur;
 676                                         rp_cur = 0;
 677                                         rp_add = 0;
 678                                         break;
 679                                 }
 680                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 681                                 if ( rc == LDAP_SUCCESS ) {
 682                                         rp_delete |= mask;
 683                                         rp_add &= ~mask;
 684                                         rp_cur &= ~mask;
 685
 686                                 } else if ( rc == LDAP_OTHER ) {
 687                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 688                                 }
 689                                 break;
 690
 691                         case LDAP_MOD_REPLACE:
 692                                 rp_delete = rp_cur;
 693                                 rp_cur = 0;
 694                                 rp_add = 0;
 695                                 /* fall thru */
 696
 697                         case LDAP_MOD_ADD:
 698                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 699                                 if ( rc == LDAP_SUCCESS ) {
 700                                         rp_add |= mask;
 701                                         rp_cur |= mask;
 702                                         rp_delete &= ~mask;
 703
 704                                 } else if ( rc == LDAP_OTHER ) {
 705                                         rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS;
 706                                 }
 707                                 break;
 708
 709                         default:
 710                                 rc = rs->sr_err = LDAP_OTHER;
 711                                 break;
 712                         }
 713
 714                         if ( rc != LDAP_SUCCESS ) {
 715                                 goto done;
 716                         }
 717
 718                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 719                 /* accept all operational attributes */
 720                         attr_delete( &e->e_attrs, mod->sm_desc );
 721                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 722                                 mod->sm_nvalues );
 723                         if ( rc ) {
 724                                 rc = rs->sr_err = LDAP_OTHER;
 725                                 break;
 726                         }
 727
 728                 } else {
 729                         rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 730                         break;
 731                 }
 732         }
 733
 734         /* sanity checks: */
 735         if ( ro_gotval < 1 ) {
 736                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 737                 goto done;
 738         }
 739
 740         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 741                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 742                 goto done;
 743         }
 744
 745         if ( rp_delete & rp_add ) {
 746                 rc = rs->sr_err = LDAP_OTHER;
 747                 goto done;
 748         }
 749
 750         /* check current value of readOnly */
 751         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 752                 tf = (struct berval *)&slap_true_bv;
 753
 754         } else {
 755                 tf = (struct berval *)&slap_false_bv;
 756         }
 757
 758         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 759         if ( a == NULL ) {
 760                 rc = LDAP_OTHER;
 761                 goto done;
 762         }
 763
 764         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 765                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 766                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
 767         }
 768
 769         if ( rc == LDAP_SUCCESS ) {
 770                 if ( rp_delete ) {
 771                         if ( rp_delete == be->be_restrictops ) {
 772                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 773
 774                         } else {
 775                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 776                                 if ( a == NULL ) {
 777                                         rc = rs->sr_err = LDAP_OTHER;
 778                                         goto done;
 779                                 }
 780
 781                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 782                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 783                                                 int     j;
 784
 785                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 786                                                         int             k;
 787
 788                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 789                                                                 continue;
 790                                                         }
 791
 792                                                         ch_free( a->a_vals[ j ].bv_val );
 793                                                         ch_free( a->a_nvals[ j ].bv_val );
 794
 795                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 796                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 797                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 798                                                         }
 799
 800                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 801                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 802                                                 }
 803                                         }
 804                                 }
 805
 806                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 807                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 808                                                 int     j;
 809
 810                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 811                                                         int             k;
 812
 813                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 814                                                                 continue;
 815                                                         }
 816
 817                                                         ch_free( a->a_vals[ j ].bv_val );
 818                                                         ch_free( a->a_nvals[ j ].bv_val );
 819
 820                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 821                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 822                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 823                                                         }
 824
 825                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 826                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 827                                                 }
 828                                         }
 829                                 }
 830                         }
 831                 }
 832
 833                 if ( rp_add ) {
 834                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 835                                 if ( rp_add & restricted_ops[ i ].tag ) {
 836                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 837                                                         &restricted_ops[ i ].op,
 838                                                         &restricted_ops[ i ].op );
 839                                 }
 840                         }
 841
 842                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 843                                 if ( rp_add & restricted_exops[ i ].tag ) {
 844                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 845                                                         &restricted_exops[ i ].op,
 846                                                         &restricted_exops[ i ].op );
 847                                 }
 848                         }
 849                 }
 850         }
 851
 852         be->be_restrictops = rp_cur;
 853
 854 done:;
 855         if ( rc == LDAP_SUCCESS ) {
 856                 attrs_free( save_attrs );
 857                 rc = SLAP_CB_CONTINUE;
 858
 859         } else {
 860                 Attribute *tmp = e->e_attrs;
 861                 e->e_attrs = save_attrs;
 862                 attrs_free( tmp );
 863         }
 864         return rc;
 865 }
 866
 867 #if defined(LDAP_SLAPI)
 868 static int
 869 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
 870 {
 871         Slapi_PBlock    *pCurrentPB;
 872         int             i, rc = LDAP_SUCCESS;
 873
 874         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 875                 /*
 876                  * LDAP_OTHER is returned if no plugins are installed
 877                  */
 878                 rc = LDAP_OTHER;
 879                 goto done;
 880         }
 881
 882         i = 0;
 883         do {
 884                 Slapi_PluginDesc        *srchdesc;
 885                 char                    buf[ BACKMONITOR_BUFSIZE ];
 886                 struct berval           bv;
 887
 888                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 889                                 &srchdesc );
 890                 if ( rc != LDAP_SUCCESS ) {
 891                         goto done;
 892                 }
 893
 894                 snprintf( buf, sizeof(buf),
 895                                 "plugin %d name: %s; "
 896                                 "vendor: %s; "
 897                                 "version: %s; "
 898                                 "description: %s",
 899                                 i,
 900                                 srchdesc->spd_id,
 901                                 srchdesc->spd_vendor,
 902                                 srchdesc->spd_version,
 903                                 srchdesc->spd_description );
 904
 905                 ber_str2bv( buf, 0, 0, &bv );
 906                 attr_merge_normalize_one( e_database,
 907                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 908
 909                 i++;
 910
 911         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 912                         && ( pCurrentPB != NULL ) );
 913
 914 done:
 915         return rc;
 916 }
 917 #endif /* defined(LDAP_SLAPI) */