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

   1 /* init.c - initialize monitor backend */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2004 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
  27 #include <lutil.h>
  28 #include "slap.h"
  29 #include "lber_pvt.h"
  30 #include "back-monitor.h"
  31
  32 #undef INTEGRATE_CORE_SCHEMA
  33
  34 /*
  35  * used by many functions to add description to entries
  36  *
  37  * WARNING: be_monitor may change as new databases are added,
  38  * so it should not be used outside monitor_back_db_init()
  39  * until monitor_back_db_open is called.
  40  */
  41 BackendDB *be_monitor = NULL;
  42
  43 static struct monitor_subsys_t  **monitor_subsys = NULL;
  44 static int                      monitor_subsys_opened = 0;
  45
  46 /*
  47  * subsystem data
  48  *
  49  * the known subsystems are added to the subsystems
  50  * array at backend initialization; other subsystems
  51  * may be added by calling monitor_back_register_subsys()
  52  * before the database is opened (e.g. by other backends
  53  * or by overlays or modules).
  54  */
  55 static struct monitor_subsys_t known_monitor_subsys[] = {
  56         {
  57                 SLAPD_MONITOR_BACKEND_NAME,
  58                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
  59                 MONITOR_F_PERSISTENT_CH,
  60                 monitor_subsys_backend_init,
  61                 NULL,   /* update */
  62                 NULL,   /* create */
  63                 NULL    /* modify */
  64         }, {
  65                 SLAPD_MONITOR_CONN_NAME,
  66                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
  67                 MONITOR_F_VOLATILE_CH,
  68                 monitor_subsys_conn_init,
  69                 monitor_subsys_conn_update,
  70                 monitor_subsys_conn_create,
  71                 NULL    /* modify */
  72         }, {
  73                 SLAPD_MONITOR_DATABASE_NAME,
  74                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
  75                 MONITOR_F_PERSISTENT_CH,
  76                 monitor_subsys_database_init,
  77                 NULL,   /* update */
  78                 NULL,   /* create */
  79                 monitor_subsys_database_modify
  80         }, {
  81                 SLAPD_MONITOR_LISTENER_NAME,
  82                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
  83                 MONITOR_F_PERSISTENT_CH,
  84                 monitor_subsys_listener_init,
  85                 NULL,   /* update */
  86                 NULL,   /* create */
  87                 NULL    /* modify */
  88         }, {
  89                 SLAPD_MONITOR_LOG_NAME,
  90                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
  91                 MONITOR_F_NONE,
  92                 monitor_subsys_log_init,
  93                 NULL,   /* update */
  94                 NULL,   /* create */
  95                 monitor_subsys_log_modify
  96         }, {
  97                 SLAPD_MONITOR_OPS_NAME,
  98                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
  99                 MONITOR_F_PERSISTENT_CH,
 100                 monitor_subsys_ops_init,
 101                 monitor_subsys_ops_update,
 102                 NULL,   /* create */
 103                 NULL,   /* modify */
 104         }, {
 105                 SLAPD_MONITOR_OVERLAY_NAME,
 106                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
 107                 MONITOR_F_PERSISTENT_CH,
 108                 monitor_subsys_overlay_init,
 109                 NULL,   /* update */
 110                 NULL,   /* create */
 111                 NULL,   /* modify */
 112         }, {
 113                 SLAPD_MONITOR_SASL_NAME,
 114                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
 115                 MONITOR_F_NONE,
 116                 NULL,   /* init */
 117                 NULL,   /* update */
 118                 NULL,   /* create */
 119                 NULL    /* modify */
 120         }, {
 121                 SLAPD_MONITOR_SENT_NAME,
 122                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
 123                 MONITOR_F_PERSISTENT_CH,
 124                 monitor_subsys_sent_init,
 125                 monitor_subsys_sent_update,
 126                 NULL,   /* create */
 127                 NULL,   /* modify */
 128         }, {
 129                 SLAPD_MONITOR_THREAD_NAME,
 130                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
 131                 MONITOR_F_PERSISTENT_CH,
 132                 monitor_subsys_thread_init,
 133                 monitor_subsys_thread_update,
 134                 NULL,   /* create */
 135                 NULL    /* modify */
 136         }, {
 137                 SLAPD_MONITOR_TIME_NAME,
 138                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
 139                 MONITOR_F_PERSISTENT_CH,
 140                 monitor_subsys_time_init,
 141                 monitor_subsys_time_update,
 142                 NULL,   /* create */
 143                 NULL,   /* modify */
 144         }, {
 145                 SLAPD_MONITOR_TLS_NAME,
 146                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
 147                 MONITOR_F_NONE,
 148                 NULL,   /* init */
 149                 NULL,   /* update */
 150                 NULL,   /* create */
 151                 NULL    /* modify */
 152         }, {
 153                 SLAPD_MONITOR_RWW_NAME,
 154                 BER_BVNULL, BER_BVNULL, BER_BVNULL,
 155                 MONITOR_F_PERSISTENT_CH,
 156                 monitor_subsys_rww_init,
 157                 monitor_subsys_rww_update,
 158                 NULL,   /* create */
 159                 NULL    /* modify */
 160         }, { NULL }
 161 };
 162
 163 #if SLAPD_MONITOR == SLAPD_MOD_DYNAMIC
 164
 165 int
 166 init_module( int argc, char *argv[] )
 167 {
 168         BackendInfo bi;
 169
 170         memset( &bi, '\0', sizeof(bi) );
 171         bi.bi_type = "monitor";
 172         bi.bi_init = monitor_back_initialize;
 173         backend_add( &bi );
 174         return 0;
 175 }
 176
 177 #endif /* SLAPD_MONITOR */
 178
 179 int
 180 monitor_back_register_subsys( monitor_subsys_t *ms )
 181 {
 182         int     i = 0;
 183
 184         if ( monitor_subsys ) {
 185                 for ( ; monitor_subsys[ i ] != NULL; i++ )
 186                         /* just count'em */ ;
 187         }
 188
 189         monitor_subsys = ch_realloc( monitor_subsys,
 190                         ( 2 + i ) * sizeof( monitor_subsys_t * ) );
 191
 192         if ( monitor_subsys == NULL ) {
 193                 return -1;
 194         }
 195
 196         monitor_subsys[ i ] = ms;
 197         monitor_subsys[ i + 1 ] = NULL;
 198
 199         /* if a subsystem is registered __AFTER__ subsystem
 200          * initialization (depending on the sequence the databases
 201          * are listed in slapd.conf), init it */
 202         if ( monitor_subsys_opened ) {
 203
 204                 /* FIXME: this should only be possible
 205                  * if be_monitor is already initialized */
 206                 assert( be_monitor );
 207
 208                 if ( ms->mss_open && ( *ms->mss_open )( be_monitor, ms ) ) {
 209                         return -1;
 210                 }
 211
 212                 ms->mss_flags |= MONITOR_F_OPENED;
 213         }
 214
 215         return 0;
 216 }
 217
 218 enum {
 219         LIMBO_ENTRY,
 220         LIMBO_ATTRS,
 221         LIMBO_CB
 222 };
 223
 224 typedef struct entry_limbo_t {
 225         int                     el_type;
 226         Entry                   *el_e;
 227         Attribute               *el_a;
 228         struct berval           el_ndn;
 229         struct berval           el_base;
 230         int                     el_scope;
 231         struct berval           el_filter;
 232         monitor_callback_t      *el_cb;
 233         struct entry_limbo_t    *el_next;
 234 } entry_limbo_t;
 235
 236 int
 237 monitor_back_register_entry(
 238                 Entry                   *e,
 239                 monitor_callback_t      *cb )
 240 {
 241         monitor_info_t  *mi = ( monitor_info_t * )be_monitor->be_private;
 242
 243         assert( mi != NULL );
 244         assert( e != NULL );
 245         assert( e->e_private == NULL );
 246
 247         if ( monitor_subsys_opened ) {
 248                 Entry           *e_parent = NULL,
 249                                 *e_new = NULL,
 250                                 **ep = NULL;
 251                 struct berval   pdn = BER_BVNULL;
 252                 monitor_entry_t *mp = NULL,
 253                                 *mp_parent = NULL;
 254                 int             rc = 0;
 255
 256                 if ( monitor_cache_get( mi, &e->e_nname, &e_parent ) == 0 ) {
 257                         /* entry exists */
 258                         Debug( LDAP_DEBUG_ANY,
 259                                 "monitor_back_register_entry(\"%s\"): "
 260                                 "entry exists\n",
 261                                 e->e_name.bv_val, 0, 0 );
 262                         monitor_cache_release( mi, e_parent );
 263                         return -1;
 264                 }
 265
 266                 dnParent( &e->e_nname, &pdn );
 267                 if ( monitor_cache_get( mi, &pdn, &e_parent ) != 0 ) {
 268                         /* parent does not exist */
 269                         Debug( LDAP_DEBUG_ANY,
 270                                 "monitor_back_register_entry(\"%s\"): "
 271                                 "parent \"%s\" not found\n",
 272                                 e->e_name.bv_val, pdn.bv_val, 0 );
 273                         return -1;
 274                 }
 275
 276                 assert( e_parent->e_private != NULL );
 277                 mp_parent = ( monitor_entry_t * )e_parent->e_private;
 278
 279                 if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) {
 280                         /* entry is volatile; cannot append children */
 281                         Debug( LDAP_DEBUG_ANY,
 282                                 "monitor_back_register_entry(\"%s\"): "
 283                                 "parent \"%s\" is volatile\n",
 284                                 e->e_name.bv_val, e_parent->e_name.bv_val, 0 );
 285                         rc = -1;
 286                         goto done;
 287                 }
 288
 289                 mp = monitor_entrypriv_create();
 290                 if ( mp == NULL ) {
 291                         Debug( LDAP_DEBUG_ANY,
 292                                 "monitor_back_register_entry(\"%s\"): "
 293                                 "monitor_entrypriv_create() failed\n",
 294                                 e->e_name.bv_val, 0, 0 );
 295                         rc = -1;
 296                         goto done;
 297                 }
 298
 299                 e_new = entry_dup( e );
 300                 if ( e == NULL ) {
 301                         Debug( LDAP_DEBUG_ANY,
 302                                 "monitor_back_register_entry(\"%s\"): "
 303                                 "entry_dup() failed\n",
 304                                 e->e_name.bv_val, 0, 0 );
 305                         rc = -1;
 306                         goto done;
 307                 }
 308
 309                 e_new->e_private = ( void * )mp;
 310                 mp->mp_info = mp_parent->mp_info;
 311                 mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB;
 312
 313                 ep = &mp_parent->mp_children;
 314                 for ( ; *ep; ) {
 315                         mp_parent = ( monitor_entry_t * )(*ep)->e_private;
 316                         ep = &mp_parent->mp_next;
 317                 }
 318                 *ep = e_new;
 319
 320                 if ( monitor_cache_add( mi, e_new ) ) {
 321                         Debug( LDAP_DEBUG_ANY,
 322                                 "monitor_back_register_entry(\"%s\"): "
 323                                 "unable to add entry\n",
 324                                 e->e_name.bv_val, 0, 0 );
 325                         rc = -1;
 326                         goto done;
 327                 }
 328
 329 done:;
 330                 if ( rc ) {
 331                         if ( mp ) {
 332                                 ch_free( mp );
 333                         }
 334                         if ( e_new ) {
 335                                 e_new->e_private = NULL;
 336                                 entry_free( e_new );
 337                         }
 338                 }
 339
 340                 if ( e_parent ) {
 341                         monitor_cache_release( mi, e_parent );
 342                 }
 343
 344         } else {
 345                 entry_limbo_t   *elp, el = { 0 };
 346
 347                 el.el_type = LIMBO_ENTRY;
 348
 349                 el.el_e = entry_dup( e );
 350                 if ( el.el_e == NULL ) {
 351                         Debug( LDAP_DEBUG_ANY,
 352                                 "monitor_back_register_entry(\"%s\"): "
 353                                 "entry_dup() failed\n",
 354                                 e->e_name.bv_val, 0, 0 );
 355                         return -1;
 356                 }
 357
 358                 el.el_cb = cb;
 359
 360                 elp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
 361                 if ( elp ) {
 362                         el.el_e->e_private = NULL;
 363                         entry_free( el.el_e );
 364                         return -1;
 365                 }
 366
 367                 el.el_next = (entry_limbo_t *)mi->mi_entry_limbo;
 368                 *elp = el;
 369                 mi->mi_entry_limbo = (void *)elp;
 370         }
 371
 372         return 0;
 373 }
 374
 375 static int
 376 monitor_filter2ndn_cb( Operation *op, SlapReply *rs )
 377 {
 378         if ( rs->sr_type == REP_SEARCH ) {
 379                 struct berval   *ndn = op->o_callback->sc_private;
 380
 381                 ber_dupbv( ndn, &rs->sr_entry->e_nname );
 382         }
 383
 384         return 0;
 385 }
 386
 387 int
 388 monitor_filter2ndn( struct berval *base, int scope, struct berval *filter,
 389                 struct berval *ndn )
 390 {
 391         Connection      conn = { 0 };
 392         Operation       op = { 0 };
 393         SlapReply       rs = { 0 };
 394         slap_callback   cb = { NULL, monitor_filter2ndn_cb, NULL, NULL };
 395         AttributeName   anlist[ 2 ];
 396         int             rc;
 397
 398         BER_BVZERO( ndn );
 399
 400         if ( be_monitor == NULL ) {
 401                 return -1;
 402         }
 403
 404         connection_fake_init( &conn, &op, &conn );
 405
 406         op.o_tag = LDAP_REQ_SEARCH;
 407
 408         /* use global malloc for now */
 409         op.o_tmpmemctx = NULL;
 410         op.o_tmpmfuncs = &ch_mfuncs;
 411
 412         op.o_bd = be_monitor;
 413         if ( base == NULL || BER_BVISNULL( base ) ) {
 414                 ber_dupbv_x( &op.o_req_dn, &op.o_bd->be_suffix[ 0 ],
 415                                 op.o_tmpmemctx );
 416                 ber_dupbv_x( &op.o_req_ndn, &op.o_bd->be_nsuffix[ 0 ],
 417                                 op.o_tmpmemctx );
 418
 419         } else {
 420                 if ( dnPrettyNormal( NULL, base, &op.o_req_dn, &op.o_req_ndn,
 421                                         op.o_tmpmemctx ) ) {
 422                         /* error */
 423                 }
 424         }
 425
 426         op.o_callback = &cb;
 427         cb.sc_private = (void *)ndn;
 428
 429         op.ors_scope = scope;
 430         ber_dupbv_x( &op.ors_filterstr, filter, op.o_tmpmemctx );
 431         op.ors_filter = str2filter_x( &op, filter->bv_val );
 432         op.ors_attrs = anlist;
 433         BER_BVSTR( &anlist[ 0 ].an_name, LDAP_NO_ATTRS );
 434         BER_BVZERO( &anlist[ 1 ].an_name );
 435         op.ors_attrsonly = 0;
 436         op.ors_tlimit = SLAP_NO_LIMIT;
 437         op.ors_slimit = 1;
 438         op.ors_limit = NULL;
 439         op.ors_deref = LDAP_DEREF_NEVER;
 440
 441         op.o_nocaching = 1;
 442         op.o_managedsait = 1;
 443
 444         rc = op.o_bd->be_search( &op, &rs );
 445
 446         filter_free_x( &op, op.ors_filter );
 447         op.o_tmpfree( op.ors_filterstr.bv_val, op.o_tmpmemctx );
 448         op.o_tmpfree( op.o_req_dn.bv_val, op.o_tmpmemctx );
 449         op.o_tmpfree( op.o_req_ndn.bv_val, op.o_tmpmemctx );
 450
 451         if ( rc != 0 ) {
 452                 return rc;
 453         }
 454
 455         switch ( rs.sr_err ) {
 456         case LDAP_SUCCESS:
 457                 if ( BER_BVISNULL( ndn ) ) {
 458                         rc = -1;
 459                 }
 460                 break;
 461
 462         case LDAP_SIZELIMIT_EXCEEDED:
 463         default:
 464                 if ( !BER_BVISNULL( ndn ) ) {
 465                         ber_memfree( ndn->bv_val );
 466                         BER_BVZERO( ndn );
 467                 }
 468                 rc = -1;
 469                 break;
 470         }
 471
 472         return rc;
 473 }
 474
 475 int
 476 monitor_back_register_entry_attrs(
 477                 struct berval           *ndn_in,
 478                 Attribute               *a,
 479                 monitor_callback_t      *cb,
 480                 struct berval           *base,
 481                 int                     scope,
 482                 struct berval           *filter )
 483 {
 484         monitor_info_t  *mi = ( monitor_info_t * )be_monitor->be_private;
 485         struct berval   ndn = BER_BVNULL;
 486
 487         assert( mi != NULL );
 488
 489         if ( ndn_in != NULL ) {
 490                 ndn = *ndn_in;
 491         }
 492
 493         if ( a == NULL && cb == NULL ) {
 494                 /* nothing to do */
 495                 return -1;
 496         }
 497
 498         if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) )
 499                         && BER_BVISNULL( filter ) )
 500         {
 501                 /* need a filter */
 502                 Debug( LDAP_DEBUG_ANY,
 503                         "monitor_back_register_entry_*(\"\"): "
 504                         "need a valid filter\n",
 505                         0, 0, 0 );
 506                 return -1;
 507         }
 508
 509         if ( monitor_subsys_opened ) {
 510                 Entry                   *e = NULL;
 511                 Attribute               **atp = NULL;
 512                 monitor_entry_t         *mp = NULL;
 513                 monitor_callback_t      **mcp = NULL;
 514                 int                     rc = 0;
 515                 int                     freeit = 0;
 516
 517                 if ( BER_BVISNULL( &ndn ) ) {
 518                         if ( monitor_filter2ndn( base, scope, filter, &ndn ) ) {
 519                                 /* entry does not exist */
 520                                 Debug( LDAP_DEBUG_ANY,
 521                                         "monitor_back_register_entry_*(\"\"): "
 522                                         "base=%s scope=%d filter=%s : "
 523                                         "unable to find entry\n",
 524                                         base->bv_val ? base->bv_val : "\"\"",
 525                                         scope, filter->bv_val );
 526                                 return -1;
 527                         }
 528
 529                         freeit = 1;
 530                 }
 531
 532                 if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) {
 533                         /* entry does not exist */
 534                         Debug( LDAP_DEBUG_ANY,
 535                                 "monitor_back_register_entry_*(\"%s\"): "
 536                                 "entry does not exist\n",
 537                                 ndn.bv_val, 0, 0 );
 538                         rc = -1;
 539                         goto done;
 540                 }
 541
 542                 assert( e->e_private != NULL );
 543                 mp = ( monitor_entry_t * )e->e_private;
 544
 545                 if ( mp->mp_flags & MONITOR_F_VOLATILE ) {
 546                         /* entry is volatile; cannot append callback */
 547                         Debug( LDAP_DEBUG_ANY,
 548                                 "monitor_back_register_entry_*(\"%s\"): "
 549                                 "entry is volatile\n",
 550                                 e->e_name.bv_val, 0, 0 );
 551                         rc = -1;
 552                         goto done;
 553                 }
 554
 555                 if ( a ) {
 556                         for ( atp = &e->e_attrs; *atp; atp = &(*atp)->a_next )
 557                                 /* just get to last */ ;
 558
 559                         *atp = attrs_dup( a );
 560                         if ( *atp == NULL ) {
 561                                 Debug( LDAP_DEBUG_ANY,
 562                                         "monitor_back_register_entry_*(\"%s\"): "
 563                                         "attrs_dup() failed\n",
 564                                         e->e_name.bv_val, 0, 0 );
 565                                 rc = -1;
 566                                 goto done;
 567                         }
 568                 }
 569
 570                 if ( cb ) {
 571                         for ( mcp = &mp->mp_cb; *mcp; mcp = &(*mcp)->mc_next )
 572                                 /* go to tail */ ;
 573
 574                         /* NOTE: we do not clear cb->mc_next, so this function
 575                          * can be used to append a list of callbacks */
 576                         (*mcp) = cb;
 577                 }
 578
 579 done:;
 580                 if ( rc ) {
 581                         if ( *atp ) {
 582                                 attrs_free( *atp );
 583                                 *atp = NULL;
 584                         }
 585                 }
 586
 587                 if ( freeit ) {
 588                         ber_memfree( ndn.bv_val );
 589                 }
 590
 591                 if ( e ) {
 592                         monitor_cache_release( mi, e );
 593                 }
 594
 595         } else {
 596                 entry_limbo_t   *elp, el = { 0 };
 597
 598                 el.el_type = LIMBO_ATTRS;
 599                 if ( !BER_BVISNULL( &ndn ) ) {
 600                         ber_dupbv( &el.el_ndn, &ndn );
 601                 }
 602                 if ( !BER_BVISNULL( base ) ) {
 603                         ber_dupbv( &el.el_base, base);
 604                 }
 605                 el.el_scope = scope;
 606                 if ( !BER_BVISNULL( filter ) ) {
 607                         ber_dupbv( &el.el_filter, filter );
 608                 }
 609
 610                 el.el_a = attrs_dup( a );
 611                 el.el_cb = cb;
 612
 613                 elp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
 614                 if ( elp == NULL ) {
 615                         attrs_free( a );
 616                         return -1;
 617                 }
 618
 619                 el.el_next = (entry_limbo_t *)mi->mi_entry_limbo;
 620                 *elp = el;
 621                 mi->mi_entry_limbo = (void *)elp;;
 622         }
 623
 624         return 0;
 625 }
 626
 627 int
 628 monitor_back_register_entry_callback(
 629                 struct berval           *ndn,
 630                 monitor_callback_t      *cb,
 631                 struct berval           *base,
 632                 int                     scope,
 633                 struct berval           *filter )
 634 {
 635         return monitor_back_register_entry_attrs( ndn, NULL, cb,
 636                         base, scope, filter );
 637 }
 638
 639 monitor_subsys_t *
 640 monitor_back_get_subsys( const char *name )
 641 {
 642         if ( monitor_subsys != NULL ) {
 643                 int     i;
 644
 645                 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
 646                         if ( strcasecmp( monitor_subsys[ i ]->mss_name, name ) == 0 ) {
 647                                 return monitor_subsys[ i ];
 648                         }
 649                 }
 650         }
 651
 652         return NULL;
 653 }
 654
 655 monitor_subsys_t *
 656 monitor_back_get_subsys_by_dn( struct berval *ndn, int sub )
 657 {
 658         if ( monitor_subsys != NULL ) {
 659                 int     i;
 660
 661                 if ( sub ) {
 662                         for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
 663                                 if ( dnIsSuffix( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
 664                                         return monitor_subsys[ i ];
 665                                 }
 666                         }
 667
 668                 } else {
 669                         for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
 670                                 if ( dn_match( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
 671                                         return monitor_subsys[ i ];
 672                                 }
 673                         }
 674                 }
 675         }
 676
 677         return NULL;
 678 }
 679
 680 int
 681 monitor_back_initialize(
 682         BackendInfo     *bi
 683 )
 684 {
 685         monitor_subsys_t        *ms;
 686         static char             *controls[] = {
 687                 LDAP_CONTROL_MANAGEDSAIT,
 688                 LDAP_CONTROL_VALUESRETURNFILTER,
 689                 NULL
 690         };
 691
 692         bi->bi_controls = controls;
 693
 694         bi->bi_init = 0;
 695         bi->bi_open = 0;
 696         bi->bi_config = monitor_back_config;
 697         bi->bi_close = 0;
 698         bi->bi_destroy = 0;
 699
 700         bi->bi_db_init = monitor_back_db_init;
 701         bi->bi_db_config = monitor_back_db_config;
 702         bi->bi_db_open = monitor_back_db_open;
 703         bi->bi_db_close = 0;
 704         bi->bi_db_destroy = monitor_back_db_destroy;
 705
 706         bi->bi_op_bind = monitor_back_bind;
 707         bi->bi_op_unbind = 0;
 708         bi->bi_op_search = monitor_back_search;
 709         bi->bi_op_compare = monitor_back_compare;
 710         bi->bi_op_modify = monitor_back_modify;
 711         bi->bi_op_modrdn = 0;
 712         bi->bi_op_add = 0;
 713         bi->bi_op_delete = 0;
 714         bi->bi_op_abandon = 0;
 715
 716         bi->bi_extended = 0;
 717
 718         bi->bi_entry_release_rw = 0;
 719         bi->bi_chk_referrals = 0;
 720         bi->bi_operational = monitor_back_operational;
 721
 722         /*
 723          * hooks for slap tools
 724          */
 725         bi->bi_tool_entry_open = 0;
 726         bi->bi_tool_entry_close = 0;
 727         bi->bi_tool_entry_first = 0;
 728         bi->bi_tool_entry_next = 0;
 729         bi->bi_tool_entry_get = 0;
 730         bi->bi_tool_entry_put = 0;
 731         bi->bi_tool_entry_reindex = 0;
 732         bi->bi_tool_sync = 0;
 733         bi->bi_tool_dn2id_get = 0;
 734         bi->bi_tool_id2entry_get = 0;
 735         bi->bi_tool_entry_modify = 0;
 736
 737         bi->bi_connection_init = 0;
 738         bi->bi_connection_destroy = 0;
 739
 740         for ( ms = known_monitor_subsys; ms->mss_name != NULL; ms++ ) {
 741                 if ( monitor_back_register_subsys( ms ) ) {
 742                         return -1;
 743                 }
 744         }
 745
 746         return 0;
 747 }
 748
 749 int
 750 monitor_back_db_init(
 751         BackendDB       *be
 752 )
 753 {
 754         monitor_info_t  *mi;
 755         int             i, rc;
 756         struct berval   dn, ndn;
 757         struct berval   bv;
 758         const char      *text;
 759
 760         struct m_s {
 761                 char    *name;
 762                 char    *schema;
 763                 slap_mask_t flags;
 764                 int     offset;
 765         } moc[] = {
 766                 { "monitor", "( 1.3.6.1.4.1.4203.666.3.2 "
 767                         "NAME 'monitor' "
 768                         "DESC 'OpenLDAP system monitoring' "
 769                         "SUP top STRUCTURAL "
 770                         "MUST cn "
 771                         "MAY ( "
 772                                 "description "
 773                                 "$ l "
 774 #if 0   /* temporarily disabled */
 775                                 "$ st "
 776                                 "$ street "
 777                                 "$ postalAddress "
 778                                 "$ postalCode "
 779 #endif
 780                                 "$ seeAlso "
 781                                 "$ labeledURI "
 782                                 "$ monitoredInfo "
 783                                 "$ managedInfo "
 784                                 "$ monitorOverlay "
 785                         ") )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 786                         offsetof(monitor_info_t, mi_oc_monitor) },
 787                 { "monitorServer", "( 1.3.6.1.4.1.4203.666.3.7 "
 788                         "NAME 'monitorServer' "
 789                         "DESC 'Server monitoring root entry' "
 790                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 791                         offsetof(monitor_info_t, mi_oc_monitorServer) },
 792                 { "monitorContainer", "( 1.3.6.1.4.1.4203.666.3.8 "
 793                         "NAME 'monitorContainer' "
 794                         "DESC 'monitor container class' "
 795                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 796                         offsetof(monitor_info_t, mi_oc_monitorContainer) },
 797                 { "monitorCounterObject", "( 1.3.6.1.4.1.4203.666.3.9 "
 798                         "NAME 'monitorCounterObject' "
 799                         "DESC 'monitor counter class' "
 800                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 801                         offsetof(monitor_info_t, mi_oc_monitorCounterObject) },
 802                 { "monitorOperation", "( 1.3.6.1.4.1.4203.666.3.10 "
 803                         "NAME 'monitorOperation' "
 804                         "DESC 'monitor operation class' "
 805                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 806                         offsetof(monitor_info_t, mi_oc_monitorOperation) },
 807                 { "monitorConnection", "( 1.3.6.1.4.1.4203.666.3.11 "
 808                         "NAME 'monitorConnection' "
 809                         "DESC 'monitor connection class' "
 810                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 811                         offsetof(monitor_info_t, mi_oc_monitorConnection) },
 812                 { "managedObject", "( 1.3.6.1.4.1.4203.666.3.12 "
 813                         "NAME 'managedObject' "
 814                         "DESC 'monitor managed entity class' "
 815                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 816                         offsetof(monitor_info_t, mi_oc_managedObject) },
 817                 { "monitoredObject", "( 1.3.6.1.4.1.4203.666.3.13 "
 818                         "NAME 'monitoredObject' "
 819                         "DESC 'monitor monitored entity class' "
 820                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 821                         offsetof(monitor_info_t, mi_oc_monitoredObject) },
 822                 { NULL, NULL, 0, -1 }
 823         }, mat[] = {
 824                 { "monitoredInfo", "( 1.3.6.1.4.1.4203.666.1.14 "
 825                         "NAME 'monitoredInfo' "
 826                         "DESC 'monitored info' "
 827                         /* "SUP name " */
 828                         "EQUALITY caseIgnoreMatch "
 829                         "SUBSTR caseIgnoreSubstringsMatch "
 830                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768} "
 831                         "NO-USER-MODIFICATION "
 832                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 833                         offsetof(monitor_info_t, mi_ad_monitoredInfo) },
 834                 { "managedInfo", "( 1.3.6.1.4.1.4203.666.1.15 "
 835                         "NAME 'managedInfo' "
 836                         "DESC 'monitor managed info' "
 837                         "SUP name )", SLAP_AT_HIDE,
 838                         offsetof(monitor_info_t, mi_ad_managedInfo) },
 839                 { "monitorCounter", "( 1.3.6.1.4.1.4203.666.1.16 "
 840                         "NAME 'monitorCounter' "
 841                         "DESC 'monitor counter' "
 842                         "EQUALITY integerMatch "
 843                         "ORDERING integerOrderingMatch "
 844                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
 845                         "NO-USER-MODIFICATION "
 846                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 847                         offsetof(monitor_info_t, mi_ad_monitorCounter) },
 848                 { "monitorOpCompleted", "( 1.3.6.1.4.1.4203.666.1.17 "
 849                         "NAME 'monitorOpCompleted' "
 850                         "DESC 'monitor completed operations' "
 851                         "SUP monitorCounter "
 852                         "NO-USER-MODIFICATION "
 853                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 854                         offsetof(monitor_info_t, mi_ad_monitorOpCompleted) },
 855                 { "monitorOpInitiated", "( 1.3.6.1.4.1.4203.666.1.18 "
 856                         "NAME 'monitorOpInitiated' "
 857                         "DESC 'monitor initiated operations' "
 858                         "SUP monitorCounter "
 859                         "NO-USER-MODIFICATION "
 860                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 861                         offsetof(monitor_info_t, mi_ad_monitorOpInitiated) },
 862                 { "monitorConnectionNumber", "( 1.3.6.1.4.1.4203.666.1.19 "
 863                         "NAME 'monitorConnectionNumber' "
 864                         "DESC 'monitor connection number' "
 865                         "SUP monitorCounter "
 866                         "NO-USER-MODIFICATION "
 867                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 868                         offsetof(monitor_info_t, mi_ad_monitorConnectionNumber) },
 869                 { "monitorConnectionAuthzDN", "( 1.3.6.1.4.1.4203.666.1.20 "
 870                         "NAME 'monitorConnectionAuthzDN' "
 871                         "DESC 'monitor connection authorization DN' "
 872                         /* "SUP distinguishedName " */
 873                         "EQUALITY distinguishedNameMatch "
 874                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
 875                         "NO-USER-MODIFICATION "
 876                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 877                         offsetof(monitor_info_t, mi_ad_monitorConnectionAuthzDN) },
 878                 { "monitorConnectionLocalAddress", "( 1.3.6.1.4.1.4203.666.1.21 "
 879                         "NAME 'monitorConnectionLocalAddress' "
 880                         "DESC 'monitor connection local address' "
 881                         "SUP monitoredInfo "
 882                         "NO-USER-MODIFICATION "
 883                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 884                         offsetof(monitor_info_t, mi_ad_monitorConnectionLocalAddress) },
 885                 { "monitorConnectionPeerAddress", "( 1.3.6.1.4.1.4203.666.1.22 "
 886                         "NAME 'monitorConnectionPeerAddress' "
 887                         "DESC 'monitor connection peer address' "
 888                         "SUP monitoredInfo "
 889                         "NO-USER-MODIFICATION "
 890                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 891                         offsetof(monitor_info_t, mi_ad_monitorConnectionPeerAddress) },
 892                 { "monitorTimestamp", "( 1.3.6.1.4.1.4203.666.1.24 "
 893                         "NAME 'monitorTimestamp' "
 894                         "DESC 'monitor timestamp' "
 895                         "EQUALITY generalizedTimeMatch "
 896                         "ORDERING generalizedTimeOrderingMatch "
 897                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
 898                         "SINGLE-VALUE "
 899                         "NO-USER-MODIFICATION "
 900                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 901                         offsetof(monitor_info_t, mi_ad_monitorTimestamp) },
 902                 { "monitorOverlay", "( 1.3.6.1.4.1.4203.666.1.27 "
 903                         "NAME 'monitorOverlay' "
 904                         "DESC 'name of overlays defined for a give database' "
 905                         "SUP monitoredInfo "
 906                         "NO-USER-MODIFICATION "
 907                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 908                         offsetof(monitor_info_t, mi_ad_monitorOverlay) },
 909                 { "readOnly", "( 1.3.6.1.4.1.4203.666.1.31 "
 910                         "NAME 'readOnly' "
 911                         "DESC 'read/write status of a given database' "
 912                         "EQUALITY booleanMatch "
 913                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
 914                         "SINGLE-VALUE "
 915                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 916                         offsetof(monitor_info_t, mi_ad_readOnly) },
 917                 { "restrictedOperation", "( 1.3.6.1.4.1.4203.666.1.32 "
 918                         "NAME 'restrictedOperation' "
 919                         "DESC 'name of restricted operation for a given database' "
 920                         "SUP managedInfo )", SLAP_AT_HIDE,
 921                         offsetof(monitor_info_t, mi_ad_restrictedOperation ) },
 922 #ifdef INTEGRATE_CORE_SCHEMA
 923                 { NULL, NULL, 0, -1 },  /* description */
 924                 { NULL, NULL, 0, -1 },  /* seeAlso */
 925                 { NULL, NULL, 0, -1 },  /* l */
 926                 { NULL, NULL, 0, -1 },  /* labeledURI */
 927 #endif /* INTEGRATE_CORE_SCHEMA */
 928                 { NULL, NULL, 0, -1 }
 929         }, mat_core[] = {
 930                 { "description", "( 2.5.4.13 "
 931                         "NAME 'description' "
 932                         "DESC 'RFC2256: descriptive information' "
 933                         "EQUALITY caseIgnoreMatch "
 934                         "SUBSTR caseIgnoreSubstringsMatch "
 935                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{1024} )", 0,
 936                         offsetof(monitor_info_t, mi_ad_description) },
 937                 { "seeAlso", "( 2.5.4.34 "
 938                         "NAME 'seeAlso' "
 939                         "DESC 'RFC2256: DN of related object' "
 940                         "SUP distinguishedName )", 0,
 941                         offsetof(monitor_info_t, mi_ad_seeAlso) },
 942                 { "l", "( 2.5.4.7 "
 943                         "NAME ( 'l' 'localityName' ) "
 944                         "DESC 'RFC2256: locality which this object resides in' "
 945                         "SUP name )", 0,
 946                         offsetof(monitor_info_t, mi_ad_l) },
 947 #ifdef MONITOR_DEFINE_LABELEDURI
 948                 { "labeledURI", "( 1.3.6.1.4.1.250.1.57 "
 949                         "NAME 'labeledURI' "
 950                         "DESC 'RFC2079: Uniform Resource Identifier with optional label' "
 951                         "EQUALITY caseExactMatch "
 952                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )", 0,
 953                         offsetof(monitor_info_t, mi_ad_labeledURI) },
 954 #endif /* MONITOR_DEFINE_LABELEDURI */
 955                 { NULL, NULL, 0, -1 }
 956         };
 957
 958         /*
 959          * database monitor can be defined once only
 960          */
 961         if ( be_monitor ) {
 962                 Debug( LDAP_DEBUG_ANY,
 963                         "only one monitor backend is allowed\n", 0, 0, 0 );
 964                 return( -1 );
 965         }
 966         be_monitor = be;
 967
 968         /* indicate system schema supported */
 969         SLAP_BFLAGS(be) |= SLAP_BFLAG_MONITOR;
 970
 971         dn.bv_val = SLAPD_MONITOR_DN;
 972         dn.bv_len = sizeof( SLAPD_MONITOR_DN ) - 1;
 973
 974         rc = dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL );
 975         if( rc != LDAP_SUCCESS ) {
 976                 Debug( LDAP_DEBUG_ANY,
 977                         "unable to normalize monitor DN \"%s\"\n",
 978                         SLAPD_MONITOR_DN, 0, 0 );
 979                 return -1;
 980         }
 981
 982         ber_dupbv( &bv, &dn );
 983         ber_bvarray_add( &be->be_suffix, &bv );
 984         ber_bvarray_add( &be->be_nsuffix, &ndn );
 985
 986         mi = ( monitor_info_t * )ch_calloc( sizeof( monitor_info_t ), 1 );
 987         if ( mi == NULL ) {
 988                 Debug( LDAP_DEBUG_ANY,
 989                         "unable to initialize monitor backend\n", 0, 0, 0 );
 990                 return -1;
 991         }
 992
 993         memset( mi, 0, sizeof( monitor_info_t ) );
 994
 995         ldap_pvt_thread_mutex_init( &mi->mi_cache_mutex );
 996
 997         be->be_private = mi;
 998
 999 #ifdef INTEGRATE_CORE_SCHEMA
1000         /* prepare for schema integration */
1001         for ( k = 0; mat[ k ].name != NULL; k++ );
1002 #endif /* INTEGRATE_CORE_SCHEMA */
1003
1004         for ( i = 0; mat_core[ i ].name != NULL; i++ ) {
1005                 AttributeDescription    **ad;
1006                 const char              *text;
1007
1008                 ad = ((AttributeDescription **)&(((char *)mi)[ mat_core[ i ].offset ]));
1009                 ad[ 0 ] = NULL;
1010
1011                 switch (slap_str2ad( mat_core[ i ].name, ad, &text ) ) {
1012                 case LDAP_SUCCESS:
1013                         break;
1014
1015 #ifdef INTEGRATE_CORE_SCHEMA
1016                 case LDAP_UNDEFINED_TYPE:
1017                         mat[ k ] = mat_core[ i ];
1018                         k++;
1019                         break;
1020 #endif /* INTEGRATE_CORE_SCHEMA */
1021
1022                 default:
1023                         Debug( LDAP_DEBUG_ANY,
1024                                 "monitor_back_db_init: %s: %s\n",
1025                                 mat_core[ i ].name, text, 0 );
1026                         return( -1 );
1027                 }
1028         }
1029
1030         /* schema integration */
1031         for ( i = 0; mat[ i ].name; i++ ) {
1032                 LDAPAttributeType       *at;
1033                 int                     code;
1034                 const char              *err;
1035                 AttributeDescription    **ad;
1036
1037                 at = ldap_str2attributetype( mat[ i ].schema, &code,
1038                         &err, LDAP_SCHEMA_ALLOW_ALL );
1039                 if ( !at ) {
1040                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1041                                 "in AttributeType \"%s\" %s before %s\n",
1042                                 mat[ i ].name, ldap_scherr2str(code), err );
1043                         return -1;
1044                 }
1045
1046                 if ( at->at_oid == NULL ) {
1047                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1048                                 "null OID for attributeType \"%s\"\n",
1049                                 mat[ i ].name, 0, 0 );
1050                         return -1;
1051                 }
1052
1053                 code = at_add(at, &err);
1054                 if ( code ) {
1055                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1056                                 "%s in attributeType \"%s\"\n",
1057                                 scherr2str(code), mat[ i ].name, 0 );
1058                         return -1;
1059                 }
1060                 ldap_memfree(at);
1061
1062                 ad = ((AttributeDescription **)&(((char *)mi)[ mat[ i ].offset ]));
1063                 ad[ 0 ] = NULL;
1064                 if ( slap_str2ad( mat[ i ].name, ad, &text ) ) {
1065                         Debug( LDAP_DEBUG_ANY,
1066                                 "monitor_back_db_init: %s\n", text, 0, 0 );
1067                         return -1;
1068                 }
1069
1070                 (*ad)->ad_type->sat_flags |= mat[ i ].flags;
1071         }
1072
1073         for ( i = 0; moc[ i ].name; i++ ) {
1074                 LDAPObjectClass         *oc;
1075                 int                     code;
1076                 const char              *err;
1077                 ObjectClass             *Oc;
1078
1079                 oc = ldap_str2objectclass(moc[ i ].schema, &code, &err,
1080                                 LDAP_SCHEMA_ALLOW_ALL );
1081                 if ( !oc ) {
1082                         Debug( LDAP_DEBUG_ANY,
1083                                 "unable to parse monitor objectclass \"%s\": "
1084                                 "%s before %s\n" , moc[ i ].name,
1085                                 ldap_scherr2str(code), err );
1086                         return -1;
1087                 }
1088
1089                 if ( oc->oc_oid == NULL ) {
1090                         Debug( LDAP_DEBUG_ANY,
1091                                 "objectclass \"%s\" has no OID\n" ,
1092                                 moc[ i ].name, 0, 0 );
1093                         return -1;
1094                 }
1095
1096                 code = oc_add(oc, 0, &err);
1097                 if ( code ) {
1098                         Debug( LDAP_DEBUG_ANY,
1099                                 "objectclass \"%s\": %s \"%s\"\n" ,
1100                                 moc[ i ].name, scherr2str(code), err );
1101                         return -1;
1102                 }
1103
1104                 ldap_memfree(oc);
1105
1106                 Oc = oc_find( moc[ i ].name );
1107                 if ( Oc == NULL ) {
1108                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1109                                         "unable to find objectClass %s "
1110                                         "(just added)\n", moc[ i ].name, 0, 0 );
1111                         return -1;
1112                 }
1113
1114                 Oc->soc_flags |= moc[ i ].flags;
1115
1116                 ((ObjectClass **)&(((char *)mi)[ moc[ i ].offset ]))[ 0 ] = Oc;
1117         }
1118
1119         return 0;
1120 }
1121
1122 int
1123 monitor_back_db_open(
1124         BackendDB       *be
1125 )
1126 {
1127         monitor_info_t          *mi = (monitor_info_t *)be->be_private;
1128         struct monitor_subsys_t **ms;
1129         Entry                   *e, **ep;
1130         monitor_entry_t         *mp;
1131         int                     i;
1132         char                    buf[ BACKMONITOR_BUFSIZE ],
1133                                 *end_of_line;
1134         struct berval           bv;
1135         struct tm               *tms;
1136 #ifdef HAVE_GMTIME_R
1137         struct tm               tm_buf;
1138 #endif
1139         static char             tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
1140
1141         assert( be_monitor );
1142         if ( be != be_monitor ) {
1143                 be_monitor = be;
1144         }
1145
1146         /*
1147          * Start
1148          */
1149 #ifndef HAVE_GMTIME_R
1150         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
1151 #endif
1152 #ifdef HACK_LOCAL_TIME
1153 # ifdef HAVE_LOCALTIME_R
1154         tms = localtime_r( &starttime, &tm_buf );
1155 # else
1156         tms = localtime( &starttime );
1157 # endif /* HAVE_LOCALTIME_R */
1158         lutil_localtime( tmbuf, sizeof(tmbuf), tms, -timezone );
1159 #else /* !HACK_LOCAL_TIME */
1160 # ifdef HAVE_GMTIME_R
1161         tms = gmtime_r( &starttime, &tm_buf );
1162 # else
1163         tms = gmtime( &starttime );
1164 # endif /* HAVE_GMTIME_R */
1165         lutil_gentime( tmbuf, sizeof(tmbuf), tms );
1166 #endif /* !HACK_LOCAL_TIME */
1167 #ifndef HAVE_GMTIME_R
1168         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
1169 #endif
1170
1171         mi->mi_startTime.bv_val = tmbuf;
1172         mi->mi_startTime.bv_len = strlen( tmbuf );
1173
1174         if ( BER_BVISEMPTY( &be->be_rootdn ) ) {
1175                 BER_BVSTR( &mi->mi_creatorsName, SLAPD_ANONYMOUS );
1176         } else {
1177                 mi->mi_creatorsName = be->be_rootdn;
1178         }
1179
1180         /*
1181          * creates the "cn=Monitor" entry
1182          */
1183         snprintf( buf, sizeof( buf ),
1184                 "dn: %s\n"
1185                 "objectClass: %s\n"
1186                 "structuralObjectClass: %s\n"
1187                 "cn: Monitor\n"
1188                 "%s: This subtree contains monitoring/managing objects.\n"
1189                 "%s: This object contains information about this server.\n"
1190 #if 0
1191                 "%s: createTimestamp reflects the time this server instance was created.\n"
1192                 "%s: modifyTimestamp reflects the time this server instance was last accessed.\n"
1193 #endif
1194                 "creatorsName: %s\n"
1195                 "modifiersName: %s\n"
1196                 "createTimestamp: %s\n"
1197                 "modifyTimestamp: %s\n",
1198                 SLAPD_MONITOR_DN,
1199                 mi->mi_oc_monitorServer->soc_cname.bv_val,
1200                 mi->mi_oc_monitorServer->soc_cname.bv_val,
1201                 mi->mi_ad_description->ad_cname.bv_val,
1202                 mi->mi_ad_description->ad_cname.bv_val,
1203 #if 0
1204                 mi->mi_ad_description->ad_cname.bv_val,
1205                 mi->mi_ad_description->ad_cname.bv_val,
1206 #endif
1207                 mi->mi_creatorsName.bv_val,
1208                 mi->mi_creatorsName.bv_val,
1209                 mi->mi_startTime.bv_val,
1210                 mi->mi_startTime.bv_val );
1211
1212         e = str2entry( buf );
1213         if ( e == NULL) {
1214                 Debug( LDAP_DEBUG_ANY,
1215                         "unable to create \"%s\" entry\n",
1216                         SLAPD_MONITOR_DN, 0, 0 );
1217                 return( -1 );
1218         }
1219
1220         bv.bv_val = (char *) Versionstr;
1221         end_of_line = strchr( Versionstr, '\n' );
1222         if ( end_of_line ) {
1223                 bv.bv_len = end_of_line - Versionstr;
1224         } else {
1225                 bv.bv_len = strlen( Versionstr );
1226         }
1227
1228         if ( attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
1229                                 &bv, NULL ) ) {
1230                 Debug( LDAP_DEBUG_ANY,
1231                         "unable to add monitoredInfo to \"%s\" entry\n",
1232                         SLAPD_MONITOR_DN, 0, 0 );
1233                 return( -1 );
1234         }
1235
1236         if ( mi->mi_l.bv_len ) {
1237                 if ( attr_merge_normalize_one( e, mi->mi_ad_l, &mi->mi_l, NULL ) ) {
1238                         Debug( LDAP_DEBUG_ANY,
1239                                 "unable to add locality to \"%s\" entry\n",
1240                                 SLAPD_MONITOR_DN, 0, 0 );
1241                         return( -1 );
1242                 }
1243         }
1244
1245         mp = monitor_entrypriv_create();
1246         if ( mp == NULL ) {
1247                 return -1;
1248         }
1249         e->e_private = ( void * )mp;
1250         ep = &mp->mp_children;
1251
1252         if ( monitor_cache_add( mi, e ) ) {
1253                 Debug( LDAP_DEBUG_ANY,
1254                         "unable to add entry \"%s\" to cache\n",
1255                         SLAPD_MONITOR_DN, 0, 0 );
1256                 return -1;
1257         }
1258
1259         /*
1260          * Create all the subsystem specific entries
1261          */
1262         for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1263                 int             len = strlen( monitor_subsys[ i ]->mss_name );
1264                 struct berval   dn;
1265                 int             rc;
1266
1267                 dn.bv_len = len + sizeof( "cn=" ) - 1;
1268                 dn.bv_val = ch_calloc( sizeof( char ), dn.bv_len + 1 );
1269                 strcpy( dn.bv_val, "cn=" );
1270                 strcat( dn.bv_val, monitor_subsys[ i ]->mss_name );
1271                 rc = dnPretty( NULL, &dn, &monitor_subsys[ i ]->mss_rdn, NULL );
1272                 free( dn.bv_val );
1273                 if ( rc != LDAP_SUCCESS ) {
1274                         Debug( LDAP_DEBUG_ANY,
1275                                 "monitor RDN \"%s\" is invalid\n",
1276                                 dn.bv_val, 0, 0 );
1277                         return( -1 );
1278                 }
1279
1280                 dn.bv_len += sizeof( SLAPD_MONITOR_DN ); /* 1 for the , */
1281                 dn.bv_val = ch_malloc( dn.bv_len + 1 );
1282                 strcpy( dn.bv_val , monitor_subsys[ i ]->mss_rdn.bv_val );
1283                 strcat( dn.bv_val, "," SLAPD_MONITOR_DN );
1284                 rc = dnPrettyNormal( NULL, &dn, &monitor_subsys[ i ]->mss_dn,
1285                         &monitor_subsys[ i ]->mss_ndn, NULL );
1286                 free( dn.bv_val );
1287                 if ( rc != LDAP_SUCCESS ) {
1288                         Debug( LDAP_DEBUG_ANY,
1289                                 "monitor DN \"%s\" is invalid\n",
1290                                 dn.bv_val, 0, 0 );
1291                         return( -1 );
1292                 }
1293
1294                 snprintf( buf, sizeof( buf ),
1295                                 "dn: %s\n"
1296                                 "objectClass: %s\n"
1297                                 "structuralObjectClass: %s\n"
1298                                 "cn: %s\n"
1299                                 "creatorsName: %s\n"
1300                                 "modifiersName: %s\n"
1301                                 "createTimestamp: %s\n"
1302                                 "modifyTimestamp: %s\n",
1303                                 monitor_subsys[ i ]->mss_dn.bv_val,
1304                                 mi->mi_oc_monitorContainer->soc_cname.bv_val,
1305                                 mi->mi_oc_monitorContainer->soc_cname.bv_val,
1306                                 monitor_subsys[ i ]->mss_name,
1307                                 mi->mi_creatorsName.bv_val,
1308                                 mi->mi_creatorsName.bv_val,
1309                                 mi->mi_startTime.bv_val,
1310                                 mi->mi_startTime.bv_val );
1311
1312                 e = str2entry( buf );
1313
1314                 if ( e == NULL) {
1315                         Debug( LDAP_DEBUG_ANY,
1316                                 "unable to create \"%s\" entry\n",
1317                                 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
1318                         return( -1 );
1319                 }
1320
1321                 mp = monitor_entrypriv_create();
1322                 if ( mp == NULL ) {
1323                         return -1;
1324                 }
1325                 e->e_private = ( void * )mp;
1326                 mp->mp_info = monitor_subsys[ i ];
1327                 mp->mp_flags = monitor_subsys[ i ]->mss_flags;
1328
1329                 if ( monitor_cache_add( mi, e ) ) {
1330                         Debug( LDAP_DEBUG_ANY,
1331                                 "unable to add entry \"%s\" to cache\n",
1332                                 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
1333                         return -1;
1334                 }
1335
1336                 *ep = e;
1337                 ep = &mp->mp_next;
1338         }
1339
1340         assert( be );
1341
1342         be->be_private = mi;
1343
1344         /*
1345          * opens the monitor backend subsystems
1346          */
1347         for ( ms = monitor_subsys; ms[ 0 ] != NULL; ms++ ) {
1348                 if ( ms[ 0 ]->mss_open && ( *ms[ 0 ]->mss_open )( be, ms[ 0 ] ) )
1349                 {
1350                         return( -1 );
1351                 }
1352                 ms[ 0 ]->mss_flags |= MONITOR_F_OPENED;
1353         }
1354
1355         monitor_subsys_opened = 1;
1356
1357         if ( mi->mi_entry_limbo ) {
1358                 entry_limbo_t   *el = (entry_limbo_t *)mi->mi_entry_limbo;
1359
1360                 for ( ; el; ) {
1361                         entry_limbo_t   *tmp;
1362
1363                         switch ( el->el_type ) {
1364                         case LIMBO_ENTRY:
1365                                 monitor_back_register_entry(
1366                                                 el->el_e,
1367                                                 el->el_cb );
1368                                 break;
1369
1370                         case LIMBO_ATTRS:
1371                                 monitor_back_register_entry_attrs(
1372                                                 &el->el_ndn,
1373                                                 el->el_a,
1374                                                 el->el_cb,
1375                                                 &el->el_base,
1376                                                 el->el_scope,
1377                                                 &el->el_filter );
1378                                 break;
1379
1380                         case LIMBO_CB:
1381                                 monitor_back_register_entry_callback(
1382                                                 &el->el_ndn,
1383                                                 el->el_cb,
1384                                                 &el->el_base,
1385                                                 el->el_scope,
1386                                                 &el->el_filter );
1387                                 break;
1388
1389                         default:
1390                                 assert( 0 );
1391                         }
1392
1393                         if ( el->el_e ) {
1394                                 entry_free( el->el_e );
1395                         }
1396                         if ( el->el_a ) {
1397                                 attrs_free( el->el_a );
1398                         }
1399                         if ( !BER_BVISNULL( &el->el_ndn ) ) {
1400                                 ber_memfree( el->el_ndn.bv_val );
1401                         }
1402                         if ( !BER_BVISNULL( &el->el_base ) ) {
1403                                 ber_memfree( el->el_base.bv_val );
1404                         }
1405                         if ( !BER_BVISNULL( &el->el_filter ) ) {
1406                                 ber_memfree( el->el_filter.bv_val );
1407                         }
1408
1409                         tmp = el;
1410                         el = el->el_next;
1411                         ch_free( tmp );
1412                 }
1413
1414                 mi->mi_entry_limbo = NULL;
1415         }
1416
1417         return( 0 );
1418 }
1419
1420 int
1421 monitor_back_config(
1422         BackendInfo     *bi,
1423         const char      *fname,
1424         int             lineno,
1425         int             argc,
1426         char            **argv
1427 )
1428 {
1429         /*
1430          * eventually, will hold backend specific configuration parameters
1431          */
1432         return SLAP_CONF_UNKNOWN;
1433 }
1434
1435 int
1436 monitor_back_db_config(
1437         Backend     *be,
1438         const char  *fname,
1439         int         lineno,
1440         int         argc,
1441         char        **argv
1442 )
1443 {
1444         monitor_info_t  *mi = ( monitor_info_t * )be->be_private;
1445
1446         /*
1447          * eventually, will hold database specific configuration parameters
1448          */
1449         if ( strcasecmp( argv[ 0 ], "l" ) == 0 ) {
1450                 if ( argc != 2 ) {
1451                         return 1;
1452                 }
1453
1454                 ber_str2bv( argv[ 1 ], 0, 1, &mi->mi_l );
1455
1456         } else {
1457                 return SLAP_CONF_UNKNOWN;
1458         }
1459
1460         return( 0 );
1461 }
1462
1463 int
1464 monitor_back_db_destroy(
1465         BackendDB       *be
1466 )
1467 {
1468         /*
1469          * FIXME: destroys all the data
1470          */
1471         return 0;
1472 }
1473