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