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 0 && defined(SLAPD_LDBM)
  46 #include "../back-ldbm/back-ldbm.h"
  47 #endif /* defined(SLAPD_LDBM) */
  48 #if defined(SLAPD_META)
  49 #include "../back-meta/back-meta.h"
  50 #endif /* defined(SLAPD_META) */
  51
  52 /* for PATH_MAX on some systems (e.g. Solaris) */
  53 #ifdef HAVE_LIMITS_H
  54 #include <limits.h>
  55 #endif /* HAVE_LIMITS_H */
  56 #ifndef PATH_MAX
  57 #define PATH_MAX        4095
  58 #endif /* ! PATH_MAX */
  59
  60 static int
  61 monitor_subsys_database_modify(
  62         Operation       *op,
  63         SlapReply       *rs,
  64         Entry           *e );
  65
  66 static struct restricted_ops_t {
  67         struct berval   op;
  68         unsigned int    tag;
  69 } restricted_ops[] = {
  70         { BER_BVC( "add" ),                     SLAP_RESTRICT_OP_ADD },
  71         { BER_BVC( "bind" ),                    SLAP_RESTRICT_OP_BIND },
  72         { BER_BVC( "compare" ),                 SLAP_RESTRICT_OP_COMPARE },
  73         { BER_BVC( "delete" ),                  SLAP_RESTRICT_OP_DELETE },
  74         { BER_BVC( "extended" ),                SLAP_RESTRICT_OP_EXTENDED },
  75         { BER_BVC( "modify" ),                  SLAP_RESTRICT_OP_MODIFY },
  76         { BER_BVC( "rename" ),                  SLAP_RESTRICT_OP_RENAME },
  77         { BER_BVC( "search" ),                  SLAP_RESTRICT_OP_SEARCH },
  78         { BER_BVNULL,                           0 }
  79 }, restricted_exops[] = {
  80         { BER_BVC( LDAP_EXOP_START_TLS ),       SLAP_RESTRICT_EXOP_START_TLS },
  81         { BER_BVC( LDAP_EXOP_MODIFY_PASSWD ),   SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
  82         { BER_BVC( LDAP_EXOP_X_WHO_AM_I ),      SLAP_RESTRICT_EXOP_WHOAMI },
  83         { BER_BVC( LDAP_EXOP_X_CANCEL ),        SLAP_RESTRICT_EXOP_CANCEL },
  84         { BER_BVNULL,                           0 }
  85 };
  86
  87 static int
  88 init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  89 {
  90         struct berval   *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ?
  91                 (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv;
  92
  93         return attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
  94 }
  95
  96 static int
  97 init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
  98 {
  99         int     i, rc;
 100
 101         for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) {
 102                 if ( restrictops & restricted_ops[ i ].tag ) {
 103                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 104                                         &restricted_ops[ i ].op,
 105                                         &restricted_ops[ i ].op );
 106                         if ( rc ) {
 107                                 return rc;
 108                         }
 109                 }
 110         }
 111
 112         for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
 113                 if ( restrictops & restricted_exops[ i ].tag ) {
 114                         rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
 115                                         &restricted_exops[ i ].op,
 116                                         &restricted_exops[ i ].op );
 117                         if ( rc ) {
 118                                 return rc;
 119                         }
 120                 }
 121         }
 122
 123         return LDAP_SUCCESS;
 124 }
 125
 126 int
 127 monitor_subsys_database_init(
 128         BackendDB               *be,
 129         monitor_subsys_t        *ms
 130 )
 131 {
 132         monitor_info_t          *mi;
 133         Entry                   *e_database, **ep;
 134         int                     i;
 135         monitor_entry_t         *mp;
 136         monitor_subsys_t        *ms_backend,
 137                                 *ms_overlay;
 138
 139         assert( be != NULL );
 140
 141         ms->mss_modify = monitor_subsys_database_modify;
 142
 143         mi = ( monitor_info_t * )be->be_private;
 144
 145         ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
 146         if ( ms_backend == NULL ) {
 147                 Debug( LDAP_DEBUG_ANY,
 148                         "monitor_subsys_database_init: "
 149                         "unable to get "
 150                         "\"" SLAPD_MONITOR_BACKEND_NAME "\" "
 151                         "subsystem\n",
 152                         0, 0, 0 );
 153                 return -1;
 154         }
 155
 156         ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
 157         if ( ms_overlay == NULL ) {
 158                 Debug( LDAP_DEBUG_ANY,
 159                         "monitor_subsys_database_init: "
 160                         "unable to get "
 161                         "\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
 162                         "subsystem\n",
 163                         0, 0, 0 );
 164                 return -1;
 165         }
 166
 167         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
 168                 Debug( LDAP_DEBUG_ANY,
 169                         "monitor_subsys_database_init: "
 170                         "unable to get entry \"%s\"\n",
 171                         ms->mss_ndn.bv_val, 0, 0 );
 172                 return( -1 );
 173         }
 174
 175         (void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
 176         (void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
 177
 178         mp = ( monitor_entry_t * )e_database->e_private;
 179         mp->mp_children = NULL;
 180         ep = &mp->mp_children;
 181
 182         i = -1;
 183         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 184                 char            buf[ BACKMONITOR_BUFSIZE ];
 185                 int             j;
 186                 slap_overinfo   *oi = NULL;
 187                 BackendInfo     *bi, *bi2;
 188                 Entry           *e;
 189                 struct berval bv;
 190
 191                 i++;
 192
 193                 bi = be->bd_info;
 194
 195                 if ( overlay_is_over( be ) ) {
 196                         oi = (slap_overinfo *)be->bd_info->bi_private;
 197                         bi = oi->oi_orig;
 198                 }
 199
 200                 /* Subordinates are not exposed as their own naming context */
 201                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 202                         continue;
 203                 }
 204
 205                 bv.bv_len = snprintf( buf, sizeof( buf ),
 206                                 "cn=Database %d", i );
 207                 bv.bv_val = buf;
 208                 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
 209                         mi->mi_oc_monitoredObject, mi, NULL, NULL );
 210
 211                 if ( e == NULL ) {
 212                         Debug( LDAP_DEBUG_ANY,
 213                                 "monitor_subsys_database_init: "
 214                                 "unable to create entry \"cn=Database %d,%s\"\n",
 215                                 i, ms->mss_dn.bv_val, 0 );
 216                         return( -1 );
 217                 }
 218
 219                 ber_str2bv( bi->bi_type, 0, 0, &bv );
 220                 attr_merge_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
 221                 attr_merge_one( e, mi->mi_ad_monitorIsShadow,
 222                         SLAP_SHADOW( be ) ? (struct berval *)&slap_true_bv :
 223                                 (struct berval *)&slap_false_bv, NULL );
 224
 225                 if ( SLAP_MONITOR( be ) ) {
 226                         attr_merge( e, slap_schema.si_ad_monitorContext,
 227                                         be->be_suffix, be->be_nsuffix );
 228                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 229                                         be->be_suffix, be->be_nsuffix );
 230
 231                 } else {
 232                         if ( be->be_suffix == NULL ) {
 233                                 Debug( LDAP_DEBUG_ANY,
 234                                         "monitor_subsys_database_init: "
 235                                         "missing suffix for database %d\n",
 236                                         i, 0, 0 );
 237                                 return -1;
 238                         }
 239                         attr_merge( e, slap_schema.si_ad_namingContexts,
 240                                         be->be_suffix, be->be_nsuffix );
 241                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 242                                         be->be_suffix, be->be_nsuffix );
 243                 }
 244
 245                 (void)init_readOnly( mi, e, be->be_restrictops );
 246                 (void)init_restrictedOperation( mi, e, be->be_restrictops );
 247
 248                 if ( SLAP_SHADOW( be ) && be->be_update_refs ) {
 249                         attr_merge_normalize( e, mi->mi_ad_monitorUpdateRef,
 250                                         be->be_update_refs, NULL );
 251                 }
 252
 253                 if ( oi != NULL ) {
 254                         slap_overinst   *on = oi->oi_list,
 255                                         *on1 = on;
 256
 257                         for ( ; on; on = on->on_next ) {
 258                                 struct berval           bv;
 259                                 slap_overinst           *on2;
 260
 261                                 for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
 262                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 263                                                 break;
 264                                         }
 265                                 }
 266
 267                                 if ( on2 != on ) {
 268                                         break;
 269                                 }
 270
 271                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 272                                 attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
 273                                                 &bv, NULL );
 274
 275                                 /* find the overlay number, j */
 276                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 277                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 278                                                 break;
 279                                         }
 280                                 }
 281                                 assert( on2 != NULL );
 282
 283                                 snprintf( buf, sizeof( buf ),
 284                                         "cn=Overlay %d,%s",
 285                                         j, ms_overlay->mss_dn.bv_val );
 286                                 ber_str2bv( buf, 0, 0, &bv );
 287                                 attr_merge_normalize_one( e,
 288                                                 slap_schema.si_ad_seeAlso,
 289                                                 &bv, NULL );
 290                         }
 291                 }
 292
 293
 294                 if ( 0 ) {
 295                         assert( 0 );
 296
 297 #if defined(SLAPD_BDB) || defined(SLAPD_HDB)
 298                 } else if ( strcmp( bi->bi_type, "bdb" ) == 0
 299                                 || strcmp( bi->bi_type, "hdb" ) == 0 )
 300                 {
 301                         struct berval   bv;
 302                         ber_len_t       pathlen = 0, len = 0;
 303                         char            path[ PATH_MAX ] = { '\0' };
 304                         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 305                         char            *fname = bdb->bi_dbenv_home;
 306
 307                         len = strlen( fname );
 308                         if ( fname[ 0 ] != '/' ) {
 309                                 /* get full path name */
 310                                 getcwd( path, sizeof( path ) );
 311                                 pathlen = strlen( path );
 312
 313                                 if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
 314                                         fname += 2;
 315                                         len -= 2;
 316                                 }
 317                         }
 318
 319                         bv.bv_len = STRLENOF( "file://" ) + pathlen
 320                                 + STRLENOF( "/" ) + len;
 321                         bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
 322                         AC_MEMCPY( bv.bv_val, "file://", STRLENOF( "file://" ) );
 323                         if ( pathlen ) {
 324                                 AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) ],
 325                                                 path, pathlen );
 326                                 bv.bv_val[ STRLENOF( "file://" ) + pathlen ] = '/';
 327                                 pathlen++;
 328                         }
 329                         AC_MEMCPY( &bv.bv_val[ STRLENOF( "file://" ) + pathlen ],
 330                                         fname, len );
 331                         if ( bv.bv_val[ bv.bv_len - 1 ] != '/' ) {
 332                                 bv.bv_val[ bv.bv_len ] = '/';
 333                                 bv.bv_len++;
 334                         }
 335                         bv.bv_val[ bv.bv_len ] = '\0';
 336
 337                         attr_merge_normalize_one( e, slap_schema.si_ad_labeledURI,
 338                                         &bv, NULL );
 339
 340                         ch_free( bv.bv_val );
 341
 342 #endif /* defined(SLAPD_BDB) || defined(SLAPD_HDB) */
 343 #if defined(SLAPD_LDAP)
 344                 } else if ( strcmp( bi->bi_type, "ldap" ) == 0 ) {
 345                         ldapinfo_t      *li = (ldapinfo_t *)be->be_private;
 346 #if 0
 347                         attr_merge_normalize( e, slap_schema.si_ad_labeledURI,
 348                                         li->li_bvuri, NULL );
 349 #else
 350                         char            **urls = ldap_str2charray( li->li_uri, " " );
 351
 352                         if ( urls != NULL ) {
 353                                 int             u;
 354
 355                                 for ( u = 0; urls[ u ] != NULL; u++ ) {
 356                                         struct berval   bv;
 357
 358                                         ber_str2bv( urls[ u ], 0, 0, &bv );
 359
 360                                         attr_merge_normalize_one( e,
 361                                                 slap_schema.si_ad_labeledURI,
 362                                                 &bv, NULL );
 363                                 }
 364
 365                                 ldap_charray_free( urls );
 366                         }
 367 #endif
 368
 369 #endif /* defined(SLAPD_LDAP) */
 370 #if defined(SLAPD_META)
 371                 } else if ( strcmp( bi->bi_type, "meta" ) == 0 ) {
 372                         metainfo_t      *mi = (metainfo_t *)be->be_private;
 373                         int             t;
 374
 375                         for ( t = 0; t < mi->mi_ntargets; t++ ) {
 376                                 char            **urls = ldap_str2charray( mi->mi_targets[ t ].mt_uri, " " );
 377
 378                                 if ( urls != NULL ) {
 379                                         int             u;
 380
 381                                         for ( u = 0; urls[ u ] != NULL; u++ ) {
 382                                                 struct berval   bv;
 383
 384                                                 ber_str2bv( urls[ u ], 0, 0, &bv );
 385
 386                                                 attr_merge_normalize_one( e,
 387                                                         slap_schema.si_ad_labeledURI,
 388                                                         &bv, NULL );
 389                                         }
 390                                         ldap_charray_free( urls );
 391                                 }
 392                         }
 393 #endif /* defined(SLAPD_META) */
 394                 }
 395
 396                 j = -1;
 397                 LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
 398                         j++;
 399                         if ( bi2->bi_type == bi->bi_type ) {
 400                                 struct berval           bv;
 401
 402                                 snprintf( buf, sizeof( buf ),
 403                                         "cn=Backend %d,%s",
 404                                         j, ms_backend->mss_dn.bv_val );
 405                                 bv.bv_val = buf;
 406                                 bv.bv_len = strlen( buf );
 407                                 attr_merge_normalize_one( e,
 408                                                 slap_schema.si_ad_seeAlso,
 409                                                 &bv, NULL );
 410                                 break;
 411                         }
 412                 }
 413                 /* we must find it! */
 414                 assert( j >= 0 );
 415
 416                 mp = monitor_entrypriv_create();
 417                 if ( mp == NULL ) {
 418                         return -1;
 419                 }
 420                 e->e_private = ( void * )mp;
 421                 mp->mp_info = ms;
 422                 mp->mp_flags = ms->mss_flags
 423                         | MONITOR_F_SUB;
 424
 425                 if ( monitor_cache_add( mi, e ) ) {
 426                         Debug( LDAP_DEBUG_ANY,
 427                                 "monitor_subsys_database_init: "
 428                                 "unable to add entry \"cn=Database %d,%s\"\n",
 429                                 i, ms->mss_dn.bv_val, 0 );
 430                         return( -1 );
 431                 }
 432
 433 #if defined(LDAP_SLAPI)
 434                 monitor_back_add_plugin( mi, be, e );
 435 #endif /* defined(LDAP_SLAPI) */
 436
 437                 if ( oi != NULL ) {
 438                         Entry           **ep_overlay = &mp->mp_children;
 439                         monitor_entry_t *mp_overlay;
 440                         slap_overinst   *on = oi->oi_list;
 441                         int             o;
 442
 443                         for ( o = 0; on; o++, on = on->on_next ) {
 444                                 Entry                   *e_overlay;
 445                                 slap_overinst           *on2;
 446
 447                                 /* find the overlay number, j */
 448                                 for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
 449                                         if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
 450                                                 break;
 451                                         }
 452                                 }
 453                                 assert( on2 != NULL );
 454
 455                                 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", o );
 456                                 bv.bv_val = buf;
 457
 458                                 e_overlay = monitor_entry_stub( &e->e_name, &e->e_nname, &bv,
 459                                         mi->mi_oc_monitoredObject, mi, NULL, NULL );
 460
 461                                 if ( e_overlay == NULL ) {
 462                                         Debug( LDAP_DEBUG_ANY,
 463                                                 "monitor_subsys_database_init: "
 464                                                 "unable to create entry "
 465                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 466                                                 o, i, ms->mss_dn.bv_val );
 467                                         return( -1 );
 468                                 }
 469                                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
 470                                 attr_merge_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
 471
 472                                 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d,%s",
 473                                         j, ms_overlay->mss_dn.bv_val );
 474                                 bv.bv_val = buf;
 475                                 attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso,
 476                                         &bv, NULL );
 477
 478                                 mp_overlay = monitor_entrypriv_create();
 479                                 if ( mp_overlay == NULL ) {
 480                                         return -1;
 481                                 }
 482                                 e_overlay->e_private = ( void * )mp_overlay;
 483                                 mp_overlay->mp_info = ms;
 484                                 mp_overlay->mp_flags = ms->mss_flags
 485                                         | MONITOR_F_SUB;
 486
 487                                 if ( monitor_cache_add( mi, e_overlay ) ) {
 488                                         Debug( LDAP_DEBUG_ANY,
 489                                                 "monitor_subsys_database_init: "
 490                                                 "unable to add entry "
 491                                                 "\"cn=Overlay %d,cn=Database %d,%s\"\n",
 492                                                 o, i, ms->mss_dn.bv_val );
 493                                         return( -1 );
 494                                 }
 495
 496                                 *ep_overlay = e_overlay;
 497                                 ep_overlay = &mp_overlay->mp_next;
 498                         }
 499                 }
 500
 501                 *ep = e;
 502                 ep = &mp->mp_next;
 503         }
 504
 505         monitor_cache_release( mi, e_database );
 506
 507         return( 0 );
 508 }
 509
 510 /*
 511  * v: array of values
 512  * cur: must not contain the tags corresponding to the values in v
 513  * delta: will contain the tags corresponding to the values in v
 514  */
 515 static int
 516 value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
 517 {
 518         for ( ; !BER_BVISNULL( v ); v++ ) {
 519                 struct restricted_ops_t         *rops;
 520                 int                             i;
 521
 522                 if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
 523                         rops = restricted_exops;
 524
 525                 } else {
 526                         rops = restricted_ops;
 527                 }
 528
 529                 for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
 530                         if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
 531                                 continue;
 532                         }
 533
 534                         if ( rops[ i ].tag & *delta ) {
 535                                 return LDAP_OTHER;
 536                         }
 537
 538                         if ( rops[ i ].tag & cur ) {
 539                                 return LDAP_OTHER;
 540                         }
 541
 542                         cur |= rops[ i ].tag;
 543                         *delta |= rops[ i ].tag;
 544
 545                         break;
 546                 }
 547
 548                 if ( BER_BVISNULL( &rops[ i ].op ) ) {
 549                         return LDAP_INVALID_SYNTAX;
 550                 }
 551         }
 552
 553         return LDAP_SUCCESS;
 554 }
 555
 556 static int
 557 monitor_subsys_database_modify(
 558         Operation       *op,
 559         SlapReply       *rs,
 560         Entry           *e )
 561 {
 562         monitor_info_t  *mi = (monitor_info_t *)op->o_bd->be_private;
 563         int             rc = LDAP_OTHER;
 564         Attribute       *save_attrs, *a;
 565         Modifications   *ml;
 566         Backend         *be;
 567         int             ro_gotval = 1, i, n;
 568         slap_mask_t     rp_add = 0, rp_delete = 0, rp_cur;
 569         struct berval   *tf;
 570
 571         i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
 572         if ( i != 1 ) {
 573                 return SLAP_CB_CONTINUE;
 574         }
 575
 576         if ( n < 0 || n >= nBackendDB ) {
 577                 rs->sr_text = "invalid database index";
 578                 return ( rs->sr_err = LDAP_NO_SUCH_OBJECT );
 579         }
 580
 581         LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 582                 if ( n == 0 ) {
 583                         break;
 584                 }
 585                 n--;
 586         }
 587         /* do not allow some changes on back-monitor (needs work)... */
 588         if ( SLAP_MONITOR( be ) ) {
 589                 rs->sr_text = "no modifications allowed to monitor database entry";
 590                 return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM );
 591         }
 592
 593         rp_cur = be->be_restrictops;
 594
 595         save_attrs = e->e_attrs;
 596         e->e_attrs = attrs_dup( e->e_attrs );
 597
 598         for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
 599                 Modification *mod = &ml->sml_mod;
 600
 601                 if ( mod->sm_desc == mi->mi_ad_readOnly ) {
 602                         int     val = -1;
 603
 604                         if ( mod->sm_values ) {
 605                                 if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
 606                                         rs->sr_text = "attempting to modify multiple values of single-valued attribute";
 607                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 608                                         goto done;
 609                                 }
 610
 611                                 if ( bvmatch( &slap_true_bv, mod->sm_values )) {
 612                                         val = 1;
 613
 614                                 } else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
 615                                         val = 0;
 616
 617                                 } else {
 618                                         assert( 0 );
 619                                         rc = rs->sr_err = LDAP_INVALID_SYNTAX;
 620                                         goto done;
 621                                 }
 622                         }
 623
 624                         switch ( mod->sm_op ) {
 625                         case LDAP_MOD_DELETE:
 626                                 if ( ro_gotval < 1 ) {
 627                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 628                                         goto done;
 629                                 }
 630                                 ro_gotval--;
 631
 632                                 if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 633                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 634                                         goto done;
 635                                 }
 636
 637                                 if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
 638                                         rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 639                                         goto done;
 640                                 }
 641
 642                                 break;
 643
 644                         case LDAP_MOD_REPLACE:
 645                                 ro_gotval = 0;
 646                                 /* fall thru */
 647
 648                         case LDAP_MOD_ADD:
 649                                 if ( ro_gotval > 0 ) {
 650                                         rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 651                                         goto done;
 652                                 }
 653                                 ro_gotval++;
 654
 655                                 if ( val == 1 ) {
 656                                         rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
 657                                         rp_cur |= SLAP_RESTRICT_OP_WRITES;
 658                                         rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
 659
 660                                 } else if ( val == 0 ) {
 661                                         rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
 662                                         rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
 663                                         rp_add &= ~SLAP_RESTRICT_OP_WRITES;
 664                                 }
 665                                 break;
 666
 667                         default:
 668                                 rc = rs->sr_err = LDAP_OTHER;
 669                                 goto done;
 670                         }
 671
 672                 } else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
 673                         slap_mask_t     mask = 0;
 674
 675                         switch ( mod->sm_op ) {
 676                         case LDAP_MOD_DELETE:
 677                                 if ( mod->sm_values == NULL ) {
 678                                         rp_delete = rp_cur;
 679                                         rp_cur = 0;
 680                                         rp_add = 0;
 681                                         break;
 682                                 }
 683                                 rc = value_mask( mod->sm_values, ~rp_cur, &mask );
 684                                 if ( rc == LDAP_SUCCESS ) {
 685                                         rp_delete |= mask;
 686                                         rp_add &= ~mask;
 687                                         rp_cur &= ~mask;
 688
 689                                 } else if ( rc == LDAP_OTHER ) {
 690                                         rc = LDAP_NO_SUCH_ATTRIBUTE;
 691                                 }
 692                                 break;
 693
 694                         case LDAP_MOD_REPLACE:
 695                                 rp_delete = rp_cur;
 696                                 rp_cur = 0;
 697                                 rp_add = 0;
 698                                 /* fall thru */
 699
 700                         case LDAP_MOD_ADD:
 701                                 rc = value_mask( mod->sm_values, rp_cur, &mask );
 702                                 if ( rc == LDAP_SUCCESS ) {
 703                                         rp_add |= mask;
 704                                         rp_cur |= mask;
 705                                         rp_delete &= ~mask;
 706
 707                                 } else if ( rc == LDAP_OTHER ) {
 708                                         rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS;
 709                                 }
 710                                 break;
 711
 712                         default:
 713                                 rc = rs->sr_err = LDAP_OTHER;
 714                                 break;
 715                         }
 716
 717                         if ( rc != LDAP_SUCCESS ) {
 718                                 goto done;
 719                         }
 720
 721                 } else if ( is_at_operational( mod->sm_desc->ad_type )) {
 722                 /* accept all operational attributes */
 723                         attr_delete( &e->e_attrs, mod->sm_desc );
 724                         rc = attr_merge( e, mod->sm_desc, mod->sm_values,
 725                                 mod->sm_nvalues );
 726                         if ( rc ) {
 727                                 rc = rs->sr_err = LDAP_OTHER;
 728                                 break;
 729                         }
 730
 731                 } else {
 732                         rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 733                         break;
 734                 }
 735         }
 736
 737         /* sanity checks: */
 738         if ( ro_gotval < 1 ) {
 739                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 740                 goto done;
 741         }
 742
 743         if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
 744                 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
 745                 goto done;
 746         }
 747
 748         if ( rp_delete & rp_add ) {
 749                 rc = rs->sr_err = LDAP_OTHER;
 750                 goto done;
 751         }
 752
 753         /* check current value of readOnly */
 754         if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
 755                 tf = (struct berval *)&slap_true_bv;
 756
 757         } else {
 758                 tf = (struct berval *)&slap_false_bv;
 759         }
 760
 761         a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
 762         if ( a == NULL ) {
 763                 rc = LDAP_OTHER;
 764                 goto done;
 765         }
 766
 767         if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
 768                 attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
 769                 rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
 770         }
 771
 772         if ( rc == LDAP_SUCCESS ) {
 773                 if ( rp_delete ) {
 774                         if ( rp_delete == be->be_restrictops ) {
 775                                 attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
 776
 777                         } else {
 778                                 a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
 779                                 if ( a == NULL ) {
 780                                         rc = rs->sr_err = LDAP_OTHER;
 781                                         goto done;
 782                                 }
 783
 784                                 for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 785                                         if ( rp_delete & restricted_ops[ i ].tag ) {
 786                                                 int     j;
 787
 788                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 789                                                         int             k;
 790
 791                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
 792                                                                 continue;
 793                                                         }
 794
 795                                                         ch_free( a->a_vals[ j ].bv_val );
 796                                                         ch_free( a->a_nvals[ j ].bv_val );
 797
 798                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 799                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 800                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 801                                                         }
 802
 803                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 804                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 805                                                 }
 806                                         }
 807                                 }
 808
 809                                 for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 810                                         if ( rp_delete & restricted_exops[ i ].tag ) {
 811                                                 int     j;
 812
 813                                                 for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
 814                                                         int             k;
 815
 816                                                         if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
 817                                                                 continue;
 818                                                         }
 819
 820                                                         ch_free( a->a_vals[ j ].bv_val );
 821                                                         ch_free( a->a_nvals[ j ].bv_val );
 822
 823                                                         for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
 824                                                                 a->a_vals[ k - 1 ] = a->a_vals[ k ];
 825                                                                 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
 826                                                         }
 827
 828                                                         BER_BVZERO( &a->a_vals[ k - 1 ] );
 829                                                         BER_BVZERO( &a->a_nvals[ k - 1 ] );
 830                                                 }
 831                                         }
 832                                 }
 833                         }
 834                 }
 835
 836                 if ( rp_add ) {
 837                         for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
 838                                 if ( rp_add & restricted_ops[ i ].tag ) {
 839                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 840                                                         &restricted_ops[ i ].op,
 841                                                         &restricted_ops[ i ].op );
 842                                 }
 843                         }
 844
 845                         for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
 846                                 if ( rp_add & restricted_exops[ i ].tag ) {
 847                                         attr_merge_one( e, mi->mi_ad_restrictedOperation,
 848                                                         &restricted_exops[ i ].op,
 849                                                         &restricted_exops[ i ].op );
 850                                 }
 851                         }
 852                 }
 853         }
 854
 855         be->be_restrictops = rp_cur;
 856
 857 done:;
 858         if ( rc == LDAP_SUCCESS ) {
 859                 attrs_free( save_attrs );
 860                 rc = SLAP_CB_CONTINUE;
 861
 862         } else {
 863                 Attribute *tmp = e->e_attrs;
 864                 e->e_attrs = save_attrs;
 865                 attrs_free( tmp );
 866         }
 867         return rc;
 868 }
 869
 870 #if defined(LDAP_SLAPI)
 871 static int
 872 monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
 873 {
 874         Slapi_PBlock    *pCurrentPB;
 875         int             i, rc = LDAP_SUCCESS;
 876
 877         if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 878                 /*
 879                  * LDAP_OTHER is returned if no plugins are installed
 880                  */
 881                 rc = LDAP_OTHER;
 882                 goto done;
 883         }
 884
 885         i = 0;
 886         do {
 887                 Slapi_PluginDesc        *srchdesc;
 888                 char                    buf[ BACKMONITOR_BUFSIZE ];
 889                 struct berval           bv;
 890
 891                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 892                                 &srchdesc );
 893                 if ( rc != LDAP_SUCCESS ) {
 894                         goto done;
 895                 }
 896
 897                 snprintf( buf, sizeof(buf),
 898                                 "plugin %d name: %s; "
 899                                 "vendor: %s; "
 900                                 "version: %s; "
 901                                 "description: %s",
 902                                 i,
 903                                 srchdesc->spd_id,
 904                                 srchdesc->spd_vendor,
 905                                 srchdesc->spd_version,
 906                                 srchdesc->spd_description );
 907
 908                 ber_str2bv( buf, 0, 0, &bv );
 909                 attr_merge_normalize_one( e_database,
 910                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 911
 912                 i++;
 913
 914         } while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 915                         && ( pCurrentPB != NULL ) );
 916
 917 done:
 918         return rc;
 919 }
 920 #endif /* defined(LDAP_SLAPI) */