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 int
 164 monitor_back_register_subsys( monitor_subsys_t *ms )
 165 {
 166         int     i = 0;
 167
 168         if ( monitor_subsys ) {
 169                 for ( ; monitor_subsys[ i ] != NULL; i++ )
 170                         /* just count'em */ ;
 171         }
 172
 173         monitor_subsys = ch_realloc( monitor_subsys,
 174                         ( 2 + i ) * sizeof( monitor_subsys_t * ) );
 175
 176         if ( monitor_subsys == NULL ) {
 177                 return -1;
 178         }
 179
 180         monitor_subsys[ i ] = ms;
 181         monitor_subsys[ i + 1 ] = NULL;
 182
 183         /* if a subsystem is registered __AFTER__ subsystem
 184          * initialization (depending on the sequence the databases
 185          * are listed in slapd.conf), init it */
 186         if ( monitor_subsys_opened ) {
 187
 188                 /* FIXME: this should only be possible
 189                  * if be_monitor is already initialized */
 190                 assert( be_monitor );
 191
 192                 if ( ms->mss_open && ( *ms->mss_open )( be_monitor, ms ) ) {
 193                         return -1;
 194                 }
 195
 196                 ms->mss_flags |= MONITOR_F_OPENED;
 197         }
 198
 199         return 0;
 200 }
 201
 202 enum {
 203         LIMBO_ENTRY,
 204         LIMBO_ATTRS,
 205         LIMBO_CB
 206 };
 207
 208 typedef struct entry_limbo_t {
 209         int                     el_type;
 210         Entry                   *el_e;
 211         Attribute               *el_a;
 212         struct berval           el_ndn;
 213         struct berval           el_base;
 214         int                     el_scope;
 215         struct berval           el_filter;
 216         monitor_callback_t      *el_cb;
 217         struct entry_limbo_t    *el_next;
 218 } entry_limbo_t;
 219
 220 int
 221 monitor_back_register_entry(
 222                 Entry                   *e,
 223                 monitor_callback_t      *cb )
 224 {
 225         monitor_info_t  *mi = ( monitor_info_t * )be_monitor->be_private;
 226
 227         assert( mi != NULL );
 228         assert( e != NULL );
 229         assert( e->e_private == NULL );
 230
 231         if ( monitor_subsys_opened ) {
 232                 Entry           *e_parent = NULL,
 233                                 *e_new = NULL,
 234                                 **ep = NULL;
 235                 struct berval   pdn = BER_BVNULL;
 236                 monitor_entry_t *mp = NULL,
 237                                 *mp_parent = NULL;
 238                 int             rc = 0;
 239
 240                 if ( monitor_cache_get( mi, &e->e_nname, &e_parent ) == 0 ) {
 241                         /* entry exists */
 242                         Debug( LDAP_DEBUG_ANY,
 243                                 "monitor_back_register_entry(\"%s\"): "
 244                                 "entry exists\n",
 245                                 e->e_name.bv_val, 0, 0 );
 246                         monitor_cache_release( mi, e_parent );
 247                         return -1;
 248                 }
 249
 250                 dnParent( &e->e_nname, &pdn );
 251                 if ( monitor_cache_get( mi, &pdn, &e_parent ) != 0 ) {
 252                         /* parent does not exist */
 253                         Debug( LDAP_DEBUG_ANY,
 254                                 "monitor_back_register_entry(\"%s\"): "
 255                                 "parent \"%s\" not found\n",
 256                                 e->e_name.bv_val, pdn.bv_val, 0 );
 257                         return -1;
 258                 }
 259
 260                 assert( e_parent->e_private != NULL );
 261                 mp_parent = ( monitor_entry_t * )e_parent->e_private;
 262
 263                 if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) {
 264                         /* entry is volatile; cannot append children */
 265                         Debug( LDAP_DEBUG_ANY,
 266                                 "monitor_back_register_entry(\"%s\"): "
 267                                 "parent \"%s\" is volatile\n",
 268                                 e->e_name.bv_val, e_parent->e_name.bv_val, 0 );
 269                         rc = -1;
 270                         goto done;
 271                 }
 272
 273                 mp = monitor_entrypriv_create();
 274                 if ( mp == NULL ) {
 275                         Debug( LDAP_DEBUG_ANY,
 276                                 "monitor_back_register_entry(\"%s\"): "
 277                                 "monitor_entrypriv_create() failed\n",
 278                                 e->e_name.bv_val, 0, 0 );
 279                         rc = -1;
 280                         goto done;
 281                 }
 282
 283                 e_new = entry_dup( e );
 284                 if ( e == NULL ) {
 285                         Debug( LDAP_DEBUG_ANY,
 286                                 "monitor_back_register_entry(\"%s\"): "
 287                                 "entry_dup() failed\n",
 288                                 e->e_name.bv_val, 0, 0 );
 289                         rc = -1;
 290                         goto done;
 291                 }
 292
 293                 e_new->e_private = ( void * )mp;
 294                 mp->mp_info = mp_parent->mp_info;
 295                 mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB;
 296
 297                 ep = &mp_parent->mp_children;
 298                 for ( ; *ep; ) {
 299                         mp_parent = ( monitor_entry_t * )(*ep)->e_private;
 300                         ep = &mp_parent->mp_next;
 301                 }
 302                 *ep = e_new;
 303
 304                 if ( monitor_cache_add( mi, e_new ) ) {
 305                         Debug( LDAP_DEBUG_ANY,
 306                                 "monitor_back_register_entry(\"%s\"): "
 307                                 "unable to add entry\n",
 308                                 e->e_name.bv_val, 0, 0 );
 309                         rc = -1;
 310                         goto done;
 311                 }
 312
 313 done:;
 314                 if ( rc ) {
 315                         if ( mp ) {
 316                                 ch_free( mp );
 317                         }
 318                         if ( e_new ) {
 319                                 e_new->e_private = NULL;
 320                                 entry_free( e_new );
 321                         }
 322                 }
 323
 324                 if ( e_parent ) {
 325                         monitor_cache_release( mi, e_parent );
 326                 }
 327
 328         } else {
 329                 entry_limbo_t   *elp, el = { 0 };
 330
 331                 el.el_type = LIMBO_ENTRY;
 332
 333                 el.el_e = entry_dup( e );
 334                 if ( el.el_e == NULL ) {
 335                         Debug( LDAP_DEBUG_ANY,
 336                                 "monitor_back_register_entry(\"%s\"): "
 337                                 "entry_dup() failed\n",
 338                                 e->e_name.bv_val, 0, 0 );
 339                         return -1;
 340                 }
 341
 342                 el.el_cb = cb;
 343
 344                 elp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
 345                 if ( elp ) {
 346                         el.el_e->e_private = NULL;
 347                         entry_free( el.el_e );
 348                         return -1;
 349                 }
 350
 351                 el.el_next = (entry_limbo_t *)mi->mi_entry_limbo;
 352                 *elp = el;
 353                 mi->mi_entry_limbo = (void *)elp;
 354         }
 355
 356         return 0;
 357 }
 358
 359 static int
 360 monitor_filter2ndn_cb( Operation *op, SlapReply *rs )
 361 {
 362         if ( rs->sr_type == REP_SEARCH ) {
 363                 struct berval   *ndn = op->o_callback->sc_private;
 364
 365                 ber_dupbv( ndn, &rs->sr_entry->e_nname );
 366         }
 367
 368         return 0;
 369 }
 370
 371 int
 372 monitor_filter2ndn( struct berval *base, int scope, struct berval *filter,
 373                 struct berval *ndn )
 374 {
 375         Connection      conn = { 0 };
 376         char opbuf[OPERATION_BUFFER_SIZE];
 377         Operation       *op;
 378         SlapReply       rs = { 0 };
 379         slap_callback   cb = { NULL, monitor_filter2ndn_cb, NULL, NULL };
 380         AttributeName   anlist[ 2 ];
 381         int             rc;
 382
 383         BER_BVZERO( ndn );
 384
 385         if ( be_monitor == NULL ) {
 386                 return -1;
 387         }
 388
 389         op = (Operation *)opbuf;
 390         connection_fake_init( &conn, op, &conn );
 391
 392         op->o_tag = LDAP_REQ_SEARCH;
 393
 394         /* use global malloc for now */
 395         op->o_tmpmemctx = NULL;
 396         op->o_tmpmfuncs = &ch_mfuncs;
 397
 398         op->o_bd = be_monitor;
 399         if ( base == NULL || BER_BVISNULL( base ) ) {
 400                 ber_dupbv_x( &op->o_req_dn, &op->o_bd->be_suffix[ 0 ],
 401                                 op->o_tmpmemctx );
 402                 ber_dupbv_x( &op->o_req_ndn, &op->o_bd->be_nsuffix[ 0 ],
 403                                 op->o_tmpmemctx );
 404
 405         } else {
 406                 if ( dnPrettyNormal( NULL, base, &op->o_req_dn, &op->o_req_ndn,
 407                                         op->o_tmpmemctx ) ) {
 408                         /* error */
 409                 }
 410         }
 411
 412         op->o_callback = &cb;
 413         cb.sc_private = (void *)ndn;
 414
 415         op->ors_scope = scope;
 416         ber_dupbv_x( &op->ors_filterstr, filter, op->o_tmpmemctx );
 417         op->ors_filter = str2filter_x( op, filter->bv_val );
 418         op->ors_attrs = anlist;
 419         BER_BVSTR( &anlist[ 0 ].an_name, LDAP_NO_ATTRS );
 420         BER_BVZERO( &anlist[ 1 ].an_name );
 421         op->ors_attrsonly = 0;
 422         op->ors_tlimit = SLAP_NO_LIMIT;
 423         op->ors_slimit = 1;
 424         op->ors_limit = NULL;
 425         op->ors_deref = LDAP_DEREF_NEVER;
 426
 427         op->o_nocaching = 1;
 428         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
 429
 430         rc = op->o_bd->be_search( op, &rs );
 431
 432         filter_free_x( op, op->ors_filter );
 433         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
 434         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 435         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 436
 437         if ( rc != 0 ) {
 438                 return rc;
 439         }
 440
 441         switch ( rs.sr_err ) {
 442         case LDAP_SUCCESS:
 443                 if ( BER_BVISNULL( ndn ) ) {
 444                         rc = -1;
 445                 }
 446                 break;
 447
 448         case LDAP_SIZELIMIT_EXCEEDED:
 449         default:
 450                 if ( !BER_BVISNULL( ndn ) ) {
 451                         ber_memfree( ndn->bv_val );
 452                         BER_BVZERO( ndn );
 453                 }
 454                 rc = -1;
 455                 break;
 456         }
 457
 458         return rc;
 459 }
 460
 461 int
 462 monitor_back_register_entry_attrs(
 463                 struct berval           *ndn_in,
 464                 Attribute               *a,
 465                 monitor_callback_t      *cb,
 466                 struct berval           *base,
 467                 int                     scope,
 468                 struct berval           *filter )
 469 {
 470         monitor_info_t  *mi = ( monitor_info_t * )be_monitor->be_private;
 471         struct berval   ndn = BER_BVNULL;
 472
 473         assert( mi != NULL );
 474
 475         if ( ndn_in != NULL ) {
 476                 ndn = *ndn_in;
 477         }
 478
 479         if ( a == NULL && cb == NULL ) {
 480                 /* nothing to do */
 481                 return -1;
 482         }
 483
 484         if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) )
 485                         && BER_BVISNULL( filter ) )
 486         {
 487                 /* need a filter */
 488                 Debug( LDAP_DEBUG_ANY,
 489                         "monitor_back_register_entry_*(\"\"): "
 490                         "need a valid filter\n",
 491                         0, 0, 0 );
 492                 return -1;
 493         }
 494
 495         if ( monitor_subsys_opened ) {
 496                 Entry                   *e = NULL;
 497                 Attribute               **atp = NULL;
 498                 monitor_entry_t         *mp = NULL;
 499                 monitor_callback_t      **mcp = NULL;
 500                 int                     rc = 0;
 501                 int                     freeit = 0;
 502
 503                 if ( BER_BVISNULL( &ndn ) ) {
 504                         if ( monitor_filter2ndn( base, scope, filter, &ndn ) ) {
 505                                 /* entry does not exist */
 506                                 Debug( LDAP_DEBUG_ANY,
 507                                         "monitor_back_register_entry_*(\"\"): "
 508                                         "base=%s scope=%d filter=%s : "
 509                                         "unable to find entry\n",
 510                                         base->bv_val ? base->bv_val : "\"\"",
 511                                         scope, filter->bv_val );
 512                                 return -1;
 513                         }
 514
 515                         freeit = 1;
 516                 }
 517
 518                 if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) {
 519                         /* entry does not exist */
 520                         Debug( LDAP_DEBUG_ANY,
 521                                 "monitor_back_register_entry_*(\"%s\"): "
 522                                 "entry does not exist\n",
 523                                 ndn.bv_val, 0, 0 );
 524                         rc = -1;
 525                         goto done;
 526                 }
 527
 528                 assert( e->e_private != NULL );
 529                 mp = ( monitor_entry_t * )e->e_private;
 530
 531                 if ( mp->mp_flags & MONITOR_F_VOLATILE ) {
 532                         /* entry is volatile; cannot append callback */
 533                         Debug( LDAP_DEBUG_ANY,
 534                                 "monitor_back_register_entry_*(\"%s\"): "
 535                                 "entry is volatile\n",
 536                                 e->e_name.bv_val, 0, 0 );
 537                         rc = -1;
 538                         goto done;
 539                 }
 540
 541                 if ( a ) {
 542                         for ( atp = &e->e_attrs; *atp; atp = &(*atp)->a_next )
 543                                 /* just get to last */ ;
 544
 545                         *atp = attrs_dup( a );
 546                         if ( *atp == NULL ) {
 547                                 Debug( LDAP_DEBUG_ANY,
 548                                         "monitor_back_register_entry_*(\"%s\"): "
 549                                         "attrs_dup() failed\n",
 550                                         e->e_name.bv_val, 0, 0 );
 551                                 rc = -1;
 552                                 goto done;
 553                         }
 554                 }
 555
 556                 if ( cb ) {
 557                         for ( mcp = &mp->mp_cb; *mcp; mcp = &(*mcp)->mc_next )
 558                                 /* go to tail */ ;
 559
 560                         /* NOTE: we do not clear cb->mc_next, so this function
 561                          * can be used to append a list of callbacks */
 562                         (*mcp) = cb;
 563                 }
 564
 565 done:;
 566                 if ( rc ) {
 567                         if ( *atp ) {
 568                                 attrs_free( *atp );
 569                                 *atp = NULL;
 570                         }
 571                 }
 572
 573                 if ( freeit ) {
 574                         ber_memfree( ndn.bv_val );
 575                 }
 576
 577                 if ( e ) {
 578                         monitor_cache_release( mi, e );
 579                 }
 580
 581         } else {
 582                 entry_limbo_t   *elp, el = { 0 };
 583
 584                 el.el_type = LIMBO_ATTRS;
 585                 if ( !BER_BVISNULL( &ndn ) ) {
 586                         ber_dupbv( &el.el_ndn, &ndn );
 587                 }
 588                 if ( !BER_BVISNULL( base ) ) {
 589                         ber_dupbv( &el.el_base, base);
 590                 }
 591                 el.el_scope = scope;
 592                 if ( !BER_BVISNULL( filter ) ) {
 593                         ber_dupbv( &el.el_filter, filter );
 594                 }
 595
 596                 el.el_a = attrs_dup( a );
 597                 el.el_cb = cb;
 598
 599                 elp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
 600                 if ( elp == NULL ) {
 601                         attrs_free( a );
 602                         return -1;
 603                 }
 604
 605                 el.el_next = (entry_limbo_t *)mi->mi_entry_limbo;
 606                 *elp = el;
 607                 mi->mi_entry_limbo = (void *)elp;;
 608         }
 609
 610         return 0;
 611 }
 612
 613 int
 614 monitor_back_register_entry_callback(
 615                 struct berval           *ndn,
 616                 monitor_callback_t      *cb,
 617                 struct berval           *base,
 618                 int                     scope,
 619                 struct berval           *filter )
 620 {
 621         return monitor_back_register_entry_attrs( ndn, NULL, cb,
 622                         base, scope, filter );
 623 }
 624
 625 monitor_subsys_t *
 626 monitor_back_get_subsys( const char *name )
 627 {
 628         if ( monitor_subsys != NULL ) {
 629                 int     i;
 630
 631                 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
 632                         if ( strcasecmp( monitor_subsys[ i ]->mss_name, name ) == 0 ) {
 633                                 return monitor_subsys[ i ];
 634                         }
 635                 }
 636         }
 637
 638         return NULL;
 639 }
 640
 641 monitor_subsys_t *
 642 monitor_back_get_subsys_by_dn( struct berval *ndn, int sub )
 643 {
 644         if ( monitor_subsys != NULL ) {
 645                 int     i;
 646
 647                 if ( sub ) {
 648                         for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
 649                                 if ( dnIsSuffix( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
 650                                         return monitor_subsys[ i ];
 651                                 }
 652                         }
 653
 654                 } else {
 655                         for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
 656                                 if ( dn_match( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
 657                                         return monitor_subsys[ i ];
 658                                 }
 659                         }
 660                 }
 661         }
 662
 663         return NULL;
 664 }
 665
 666 int
 667 monitor_back_initialize(
 668         BackendInfo     *bi
 669 )
 670 {
 671         monitor_subsys_t        *ms;
 672         static char             *controls[] = {
 673                 LDAP_CONTROL_MANAGEDSAIT,
 674                 LDAP_CONTROL_VALUESRETURNFILTER,
 675                 NULL
 676         };
 677
 678         bi->bi_controls = controls;
 679
 680         bi->bi_init = 0;
 681         bi->bi_open = 0;
 682         bi->bi_config = monitor_back_config;
 683         bi->bi_close = 0;
 684         bi->bi_destroy = 0;
 685
 686         bi->bi_db_init = monitor_back_db_init;
 687         bi->bi_db_config = monitor_back_db_config;
 688         bi->bi_db_open = monitor_back_db_open;
 689         bi->bi_db_close = 0;
 690         bi->bi_db_destroy = monitor_back_db_destroy;
 691
 692         bi->bi_op_bind = monitor_back_bind;
 693         bi->bi_op_unbind = 0;
 694         bi->bi_op_search = monitor_back_search;
 695         bi->bi_op_compare = monitor_back_compare;
 696         bi->bi_op_modify = monitor_back_modify;
 697         bi->bi_op_modrdn = 0;
 698         bi->bi_op_add = 0;
 699         bi->bi_op_delete = 0;
 700         bi->bi_op_abandon = 0;
 701
 702         bi->bi_extended = 0;
 703
 704         bi->bi_entry_release_rw = 0;
 705         bi->bi_chk_referrals = 0;
 706         bi->bi_operational = monitor_back_operational;
 707
 708         /*
 709          * hooks for slap tools
 710          */
 711         bi->bi_tool_entry_open = 0;
 712         bi->bi_tool_entry_close = 0;
 713         bi->bi_tool_entry_first = 0;
 714         bi->bi_tool_entry_next = 0;
 715         bi->bi_tool_entry_get = 0;
 716         bi->bi_tool_entry_put = 0;
 717         bi->bi_tool_entry_reindex = 0;
 718         bi->bi_tool_sync = 0;
 719         bi->bi_tool_dn2id_get = 0;
 720         bi->bi_tool_id2entry_get = 0;
 721         bi->bi_tool_entry_modify = 0;
 722
 723         bi->bi_connection_init = 0;
 724         bi->bi_connection_destroy = 0;
 725
 726         for ( ms = known_monitor_subsys; ms->mss_name != NULL; ms++ ) {
 727                 if ( monitor_back_register_subsys( ms ) ) {
 728                         return -1;
 729                 }
 730         }
 731
 732         return 0;
 733 }
 734
 735 int
 736 monitor_back_db_init(
 737         BackendDB       *be
 738 )
 739 {
 740         monitor_info_t  *mi;
 741         int             i, rc;
 742         struct berval   dn, ndn;
 743         struct berval   bv;
 744         const char      *text;
 745
 746         struct m_s {
 747                 char    *name;
 748                 char    *schema;
 749                 slap_mask_t flags;
 750                 int     offset;
 751         } moc[] = {
 752                 { "monitor", "( 1.3.6.1.4.1.4203.666.3.2 "
 753                         "NAME 'monitor' "
 754                         "DESC 'OpenLDAP system monitoring' "
 755                         "SUP top STRUCTURAL "
 756                         "MUST cn "
 757                         "MAY ( "
 758                                 "description "
 759                                 "$ l "
 760 #if 0   /* temporarily disabled */
 761                                 "$ st "
 762                                 "$ street "
 763                                 "$ postalAddress "
 764                                 "$ postalCode "
 765 #endif
 766                                 "$ seeAlso "
 767                                 "$ labeledURI "
 768                                 "$ monitoredInfo "
 769                                 "$ managedInfo "
 770                                 "$ monitorOverlay "
 771                         ") )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 772                         offsetof(monitor_info_t, mi_oc_monitor) },
 773                 { "monitorServer", "( 1.3.6.1.4.1.4203.666.3.7 "
 774                         "NAME 'monitorServer' "
 775                         "DESC 'Server monitoring root entry' "
 776                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 777                         offsetof(monitor_info_t, mi_oc_monitorServer) },
 778                 { "monitorContainer", "( 1.3.6.1.4.1.4203.666.3.8 "
 779                         "NAME 'monitorContainer' "
 780                         "DESC 'monitor container class' "
 781                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 782                         offsetof(monitor_info_t, mi_oc_monitorContainer) },
 783                 { "monitorCounterObject", "( 1.3.6.1.4.1.4203.666.3.9 "
 784                         "NAME 'monitorCounterObject' "
 785                         "DESC 'monitor counter class' "
 786                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 787                         offsetof(monitor_info_t, mi_oc_monitorCounterObject) },
 788                 { "monitorOperation", "( 1.3.6.1.4.1.4203.666.3.10 "
 789                         "NAME 'monitorOperation' "
 790                         "DESC 'monitor operation class' "
 791                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 792                         offsetof(monitor_info_t, mi_oc_monitorOperation) },
 793                 { "monitorConnection", "( 1.3.6.1.4.1.4203.666.3.11 "
 794                         "NAME 'monitorConnection' "
 795                         "DESC 'monitor connection class' "
 796                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 797                         offsetof(monitor_info_t, mi_oc_monitorConnection) },
 798                 { "managedObject", "( 1.3.6.1.4.1.4203.666.3.12 "
 799                         "NAME 'managedObject' "
 800                         "DESC 'monitor managed entity class' "
 801                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 802                         offsetof(monitor_info_t, mi_oc_managedObject) },
 803                 { "monitoredObject", "( 1.3.6.1.4.1.4203.666.3.14 "
 804                         "NAME 'monitoredObject' "
 805                         "DESC 'monitor monitored entity class' "
 806                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 807                         offsetof(monitor_info_t, mi_oc_monitoredObject) },
 808                 { NULL, NULL, 0, -1 }
 809         }, mat[] = {
 810                 { "monitoredInfo", "( 1.3.6.1.4.1.4203.666.1.14 "
 811                         "NAME 'monitoredInfo' "
 812                         "DESC 'monitored info' "
 813                         /* "SUP name " */
 814                         "EQUALITY caseIgnoreMatch "
 815                         "SUBSTR caseIgnoreSubstringsMatch "
 816                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768} "
 817                         "NO-USER-MODIFICATION "
 818                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 819                         offsetof(monitor_info_t, mi_ad_monitoredInfo) },
 820                 { "managedInfo", "( 1.3.6.1.4.1.4203.666.1.15 "
 821                         "NAME 'managedInfo' "
 822                         "DESC 'monitor managed info' "
 823                         "SUP name )", SLAP_AT_HIDE,
 824                         offsetof(monitor_info_t, mi_ad_managedInfo) },
 825                 { "monitorCounter", "( 1.3.6.1.4.1.4203.666.1.16 "
 826                         "NAME 'monitorCounter' "
 827                         "DESC 'monitor counter' "
 828                         "EQUALITY integerMatch "
 829                         "ORDERING integerOrderingMatch "
 830                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
 831                         "NO-USER-MODIFICATION "
 832                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 833                         offsetof(monitor_info_t, mi_ad_monitorCounter) },
 834                 { "monitorOpCompleted", "( 1.3.6.1.4.1.4203.666.1.17 "
 835                         "NAME 'monitorOpCompleted' "
 836                         "DESC 'monitor completed operations' "
 837                         "SUP monitorCounter "
 838                         "NO-USER-MODIFICATION "
 839                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 840                         offsetof(monitor_info_t, mi_ad_monitorOpCompleted) },
 841                 { "monitorOpInitiated", "( 1.3.6.1.4.1.4203.666.1.18 "
 842                         "NAME 'monitorOpInitiated' "
 843                         "DESC 'monitor initiated operations' "
 844                         "SUP monitorCounter "
 845                         "NO-USER-MODIFICATION "
 846                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 847                         offsetof(monitor_info_t, mi_ad_monitorOpInitiated) },
 848                 { "monitorConnectionNumber", "( 1.3.6.1.4.1.4203.666.1.19 "
 849                         "NAME 'monitorConnectionNumber' "
 850                         "DESC 'monitor connection number' "
 851                         "SUP monitorCounter "
 852                         "NO-USER-MODIFICATION "
 853                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 854                         offsetof(monitor_info_t, mi_ad_monitorConnectionNumber) },
 855                 { "monitorConnectionAuthzDN", "( 1.3.6.1.4.1.4203.666.1.20 "
 856                         "NAME 'monitorConnectionAuthzDN' "
 857                         "DESC 'monitor connection authorization DN' "
 858                         /* "SUP distinguishedName " */
 859                         "EQUALITY distinguishedNameMatch "
 860                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
 861                         "NO-USER-MODIFICATION "
 862                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 863                         offsetof(monitor_info_t, mi_ad_monitorConnectionAuthzDN) },
 864                 { "monitorConnectionLocalAddress", "( 1.3.6.1.4.1.4203.666.1.21 "
 865                         "NAME 'monitorConnectionLocalAddress' "
 866                         "DESC 'monitor connection local address' "
 867                         "SUP monitoredInfo "
 868                         "NO-USER-MODIFICATION "
 869                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 870                         offsetof(monitor_info_t, mi_ad_monitorConnectionLocalAddress) },
 871                 { "monitorConnectionPeerAddress", "( 1.3.6.1.4.1.4203.666.1.22 "
 872                         "NAME 'monitorConnectionPeerAddress' "
 873                         "DESC 'monitor connection peer address' "
 874                         "SUP monitoredInfo "
 875                         "NO-USER-MODIFICATION "
 876                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 877                         offsetof(monitor_info_t, mi_ad_monitorConnectionPeerAddress) },
 878                 { "monitorTimestamp", "( 1.3.6.1.4.1.4203.666.1.24 "
 879                         "NAME 'monitorTimestamp' "
 880                         "DESC 'monitor timestamp' "
 881                         "EQUALITY generalizedTimeMatch "
 882                         "ORDERING generalizedTimeOrderingMatch "
 883                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
 884                         "SINGLE-VALUE "
 885                         "NO-USER-MODIFICATION "
 886                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 887                         offsetof(monitor_info_t, mi_ad_monitorTimestamp) },
 888                 { "monitorOverlay", "( 1.3.6.1.4.1.4203.666.1.27 "
 889                         "NAME 'monitorOverlay' "
 890                         "DESC 'name of overlays defined for a give database' "
 891                         "SUP monitoredInfo "
 892                         "NO-USER-MODIFICATION "
 893                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 894                         offsetof(monitor_info_t, mi_ad_monitorOverlay) },
 895                 { "readOnly", "( 1.3.6.1.4.1.4203.666.1.31 "
 896                         "NAME 'readOnly' "
 897                         "DESC 'read/write status of a given database' "
 898                         "EQUALITY booleanMatch "
 899                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
 900                         "SINGLE-VALUE "
 901                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 902                         offsetof(monitor_info_t, mi_ad_readOnly) },
 903                 { "restrictedOperation", "( 1.3.6.1.4.1.4203.666.1.32 "
 904                         "NAME 'restrictedOperation' "
 905                         "DESC 'name of restricted operation for a given database' "
 906                         "SUP managedInfo )", SLAP_AT_HIDE,
 907                         offsetof(monitor_info_t, mi_ad_restrictedOperation ) },
 908 #ifdef INTEGRATE_CORE_SCHEMA
 909                 { NULL, NULL, 0, -1 },  /* description */
 910                 { NULL, NULL, 0, -1 },  /* seeAlso */
 911                 { NULL, NULL, 0, -1 },  /* l */
 912                 { NULL, NULL, 0, -1 },  /* labeledURI */
 913 #endif /* INTEGRATE_CORE_SCHEMA */
 914                 { NULL, NULL, 0, -1 }
 915         }, mat_core[] = {
 916                 { "description", "( 2.5.4.13 "
 917                         "NAME 'description' "
 918                         "DESC 'RFC2256: descriptive information' "
 919                         "EQUALITY caseIgnoreMatch "
 920                         "SUBSTR caseIgnoreSubstringsMatch "
 921                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{1024} )", 0,
 922                         offsetof(monitor_info_t, mi_ad_description) },
 923                 { "seeAlso", "( 2.5.4.34 "
 924                         "NAME 'seeAlso' "
 925                         "DESC 'RFC2256: DN of related object' "
 926                         "SUP distinguishedName )", 0,
 927                         offsetof(monitor_info_t, mi_ad_seeAlso) },
 928                 { "l", "( 2.5.4.7 "
 929                         "NAME ( 'l' 'localityName' ) "
 930                         "DESC 'RFC2256: locality which this object resides in' "
 931                         "SUP name )", 0,
 932                         offsetof(monitor_info_t, mi_ad_l) },
 933 #ifdef MONITOR_DEFINE_LABELEDURI
 934                 { "labeledURI", "( 1.3.6.1.4.1.250.1.57 "
 935                         "NAME 'labeledURI' "
 936                         "DESC 'RFC2079: Uniform Resource Identifier with optional label' "
 937                         "EQUALITY caseExactMatch "
 938                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )", 0,
 939                         offsetof(monitor_info_t, mi_ad_labeledURI) },
 940 #endif /* MONITOR_DEFINE_LABELEDURI */
 941                 { NULL, NULL, 0, -1 }
 942         };
 943
 944         /*
 945          * database monitor can be defined once only
 946          */
 947         if ( be_monitor ) {
 948                 Debug( LDAP_DEBUG_ANY,
 949                         "only one monitor backend is allowed\n", 0, 0, 0 );
 950                 return( -1 );
 951         }
 952         be_monitor = be;
 953
 954         /* indicate system schema supported */
 955         SLAP_BFLAGS(be) |= SLAP_BFLAG_MONITOR;
 956
 957         dn.bv_val = SLAPD_MONITOR_DN;
 958         dn.bv_len = sizeof( SLAPD_MONITOR_DN ) - 1;
 959
 960         rc = dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL );
 961         if( rc != LDAP_SUCCESS ) {
 962                 Debug( LDAP_DEBUG_ANY,
 963                         "unable to normalize monitor DN \"%s\"\n",
 964                         SLAPD_MONITOR_DN, 0, 0 );
 965                 return -1;
 966         }
 967
 968         ber_dupbv( &bv, &dn );
 969         ber_bvarray_add( &be->be_suffix, &bv );
 970         ber_bvarray_add( &be->be_nsuffix, &ndn );
 971
 972         mi = ( monitor_info_t * )ch_calloc( sizeof( monitor_info_t ), 1 );
 973         if ( mi == NULL ) {
 974                 Debug( LDAP_DEBUG_ANY,
 975                         "unable to initialize monitor backend\n", 0, 0, 0 );
 976                 return -1;
 977         }
 978
 979         memset( mi, 0, sizeof( monitor_info_t ) );
 980
 981         ldap_pvt_thread_mutex_init( &mi->mi_cache_mutex );
 982
 983         be->be_private = mi;
 984
 985 #ifdef INTEGRATE_CORE_SCHEMA
 986         /* prepare for schema integration */
 987         for ( k = 0; mat[ k ].name != NULL; k++ );
 988 #endif /* INTEGRATE_CORE_SCHEMA */
 989
 990         for ( i = 0; mat_core[ i ].name != NULL; i++ ) {
 991                 AttributeDescription    **ad;
 992                 const char              *text;
 993
 994                 ad = ((AttributeDescription **)&(((char *)mi)[ mat_core[ i ].offset ]));
 995                 ad[ 0 ] = NULL;
 996
 997                 switch (slap_str2ad( mat_core[ i ].name, ad, &text ) ) {
 998                 case LDAP_SUCCESS:
 999                         break;
1000
1001 #ifdef INTEGRATE_CORE_SCHEMA
1002                 case LDAP_UNDEFINED_TYPE:
1003                         mat[ k ] = mat_core[ i ];
1004                         k++;
1005                         break;
1006 #endif /* INTEGRATE_CORE_SCHEMA */
1007
1008                 default:
1009                         Debug( LDAP_DEBUG_ANY,
1010                                 "monitor_back_db_init: %s: %s\n",
1011                                 mat_core[ i ].name, text, 0 );
1012                         return( -1 );
1013                 }
1014         }
1015
1016         /* schema integration */
1017         for ( i = 0; mat[ i ].name; i++ ) {
1018                 LDAPAttributeType       *at;
1019                 int                     code;
1020                 const char              *err;
1021                 AttributeDescription    **ad;
1022
1023                 at = ldap_str2attributetype( mat[ i ].schema, &code,
1024                         &err, LDAP_SCHEMA_ALLOW_ALL );
1025                 if ( !at ) {
1026                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1027                                 "in AttributeType \"%s\" %s before %s\n",
1028                                 mat[ i ].name, ldap_scherr2str(code), err );
1029                         return -1;
1030                 }
1031
1032                 if ( at->at_oid == NULL ) {
1033                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1034                                 "null OID for attributeType \"%s\"\n",
1035                                 mat[ i ].name, 0, 0 );
1036                         return -1;
1037                 }
1038
1039                 code = at_add(at, &err);
1040                 if ( code ) {
1041                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1042                                 "%s in attributeType \"%s\"\n",
1043                                 scherr2str(code), mat[ i ].name, 0 );
1044                         return -1;
1045                 }
1046                 ldap_memfree(at);
1047
1048                 ad = ((AttributeDescription **)&(((char *)mi)[ mat[ i ].offset ]));
1049                 ad[ 0 ] = NULL;
1050                 if ( slap_str2ad( mat[ i ].name, ad, &text ) ) {
1051                         Debug( LDAP_DEBUG_ANY,
1052                                 "monitor_back_db_init: %s\n", text, 0, 0 );
1053                         return -1;
1054                 }
1055
1056                 (*ad)->ad_type->sat_flags |= mat[ i ].flags;
1057         }
1058
1059         for ( i = 0; moc[ i ].name; i++ ) {
1060                 LDAPObjectClass         *oc;
1061                 int                     code;
1062                 const char              *err;
1063                 ObjectClass             *Oc;
1064
1065                 oc = ldap_str2objectclass(moc[ i ].schema, &code, &err,
1066                                 LDAP_SCHEMA_ALLOW_ALL );
1067                 if ( !oc ) {
1068                         Debug( LDAP_DEBUG_ANY,
1069                                 "unable to parse monitor objectclass \"%s\": "
1070                                 "%s before %s\n" , moc[ i ].name,
1071                                 ldap_scherr2str(code), err );
1072                         return -1;
1073                 }
1074
1075                 if ( oc->oc_oid == NULL ) {
1076                         Debug( LDAP_DEBUG_ANY,
1077                                 "objectclass \"%s\" has no OID\n" ,
1078                                 moc[ i ].name, 0, 0 );
1079                         return -1;
1080                 }
1081
1082                 code = oc_add(oc, 0, &err);
1083                 if ( code ) {
1084                         Debug( LDAP_DEBUG_ANY,
1085                                 "objectclass \"%s\": %s \"%s\"\n" ,
1086                                 moc[ i ].name, scherr2str(code), err );
1087                         return -1;
1088                 }
1089
1090                 ldap_memfree(oc);
1091
1092                 Oc = oc_find( moc[ i ].name );
1093                 if ( Oc == NULL ) {
1094                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1095                                         "unable to find objectClass %s "
1096                                         "(just added)\n", moc[ i ].name, 0, 0 );
1097                         return -1;
1098                 }
1099
1100                 Oc->soc_flags |= moc[ i ].flags;
1101
1102                 ((ObjectClass **)&(((char *)mi)[ moc[ i ].offset ]))[ 0 ] = Oc;
1103         }
1104
1105         return 0;
1106 }
1107
1108 int
1109 monitor_back_db_open(
1110         BackendDB       *be
1111 )
1112 {
1113         monitor_info_t          *mi = (monitor_info_t *)be->be_private;
1114         struct monitor_subsys_t **ms;
1115         Entry                   *e, **ep;
1116         monitor_entry_t         *mp;
1117         int                     i;
1118         char                    buf[ BACKMONITOR_BUFSIZE ],
1119                                 *end_of_line;
1120         struct berval           bv;
1121         struct tm               *tms;
1122 #ifdef HAVE_GMTIME_R
1123         struct tm               tm_buf;
1124 #endif
1125         static char             tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
1126
1127         assert( be_monitor );
1128         if ( be != be_monitor ) {
1129                 be_monitor = be;
1130         }
1131
1132         /*
1133          * Start
1134          */
1135 #ifndef HAVE_GMTIME_R
1136         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
1137 #endif
1138 #ifdef HACK_LOCAL_TIME
1139 # ifdef HAVE_LOCALTIME_R
1140         tms = localtime_r( &starttime, &tm_buf );
1141 # else
1142         tms = localtime( &starttime );
1143 # endif /* HAVE_LOCALTIME_R */
1144         lutil_localtime( tmbuf, sizeof(tmbuf), tms, -timezone );
1145 #else /* !HACK_LOCAL_TIME */
1146 # ifdef HAVE_GMTIME_R
1147         tms = gmtime_r( &starttime, &tm_buf );
1148 # else
1149         tms = gmtime( &starttime );
1150 # endif /* HAVE_GMTIME_R */
1151         lutil_gentime( tmbuf, sizeof(tmbuf), tms );
1152 #endif /* !HACK_LOCAL_TIME */
1153 #ifndef HAVE_GMTIME_R
1154         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
1155 #endif
1156
1157         mi->mi_startTime.bv_val = tmbuf;
1158         mi->mi_startTime.bv_len = strlen( tmbuf );
1159
1160         if ( BER_BVISEMPTY( &be->be_rootdn ) ) {
1161                 BER_BVSTR( &mi->mi_creatorsName, SLAPD_ANONYMOUS );
1162         } else {
1163                 mi->mi_creatorsName = be->be_rootdn;
1164         }
1165
1166         /*
1167          * creates the "cn=Monitor" entry
1168          */
1169         snprintf( buf, sizeof( buf ),
1170                 "dn: %s\n"
1171                 "objectClass: %s\n"
1172                 "structuralObjectClass: %s\n"
1173                 "cn: Monitor\n"
1174                 "%s: This subtree contains monitoring/managing objects.\n"
1175                 "%s: This object contains information about this server.\n"
1176 #if 0
1177                 "%s: createTimestamp reflects the time this server instance was created.\n"
1178                 "%s: modifyTimestamp reflects the time this server instance was last accessed.\n"
1179 #endif
1180                 "creatorsName: %s\n"
1181                 "modifiersName: %s\n"
1182                 "createTimestamp: %s\n"
1183                 "modifyTimestamp: %s\n",
1184                 SLAPD_MONITOR_DN,
1185                 mi->mi_oc_monitorServer->soc_cname.bv_val,
1186                 mi->mi_oc_monitorServer->soc_cname.bv_val,
1187                 mi->mi_ad_description->ad_cname.bv_val,
1188                 mi->mi_ad_description->ad_cname.bv_val,
1189 #if 0
1190                 mi->mi_ad_description->ad_cname.bv_val,
1191                 mi->mi_ad_description->ad_cname.bv_val,
1192 #endif
1193                 mi->mi_creatorsName.bv_val,
1194                 mi->mi_creatorsName.bv_val,
1195                 mi->mi_startTime.bv_val,
1196                 mi->mi_startTime.bv_val );
1197
1198         e = str2entry( buf );
1199         if ( e == NULL) {
1200                 Debug( LDAP_DEBUG_ANY,
1201                         "unable to create \"%s\" entry\n",
1202                         SLAPD_MONITOR_DN, 0, 0 );
1203                 return( -1 );
1204         }
1205
1206         bv.bv_val = (char *) Versionstr;
1207         end_of_line = strchr( Versionstr, '\n' );
1208         if ( end_of_line ) {
1209                 bv.bv_len = end_of_line - Versionstr;
1210         } else {
1211                 bv.bv_len = strlen( Versionstr );
1212         }
1213
1214         if ( attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
1215                                 &bv, NULL ) ) {
1216                 Debug( LDAP_DEBUG_ANY,
1217                         "unable to add monitoredInfo to \"%s\" entry\n",
1218                         SLAPD_MONITOR_DN, 0, 0 );
1219                 return( -1 );
1220         }
1221
1222         if ( mi->mi_l.bv_len ) {
1223                 if ( attr_merge_normalize_one( e, mi->mi_ad_l, &mi->mi_l, NULL ) ) {
1224                         Debug( LDAP_DEBUG_ANY,
1225                                 "unable to add locality to \"%s\" entry\n",
1226                                 SLAPD_MONITOR_DN, 0, 0 );
1227                         return( -1 );
1228                 }
1229         }
1230
1231         mp = monitor_entrypriv_create();
1232         if ( mp == NULL ) {
1233                 return -1;
1234         }
1235         e->e_private = ( void * )mp;
1236         ep = &mp->mp_children;
1237
1238         if ( monitor_cache_add( mi, e ) ) {
1239                 Debug( LDAP_DEBUG_ANY,
1240                         "unable to add entry \"%s\" to cache\n",
1241                         SLAPD_MONITOR_DN, 0, 0 );
1242                 return -1;
1243         }
1244
1245         /*
1246          * Create all the subsystem specific entries
1247          */
1248         for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1249                 int             len = strlen( monitor_subsys[ i ]->mss_name );
1250                 struct berval   dn;
1251                 int             rc;
1252
1253                 dn.bv_len = len + sizeof( "cn=" ) - 1;
1254                 dn.bv_val = ch_calloc( sizeof( char ), dn.bv_len + 1 );
1255                 strcpy( dn.bv_val, "cn=" );
1256                 strcat( dn.bv_val, monitor_subsys[ i ]->mss_name );
1257                 rc = dnPretty( NULL, &dn, &monitor_subsys[ i ]->mss_rdn, NULL );
1258                 free( dn.bv_val );
1259                 if ( rc != LDAP_SUCCESS ) {
1260                         Debug( LDAP_DEBUG_ANY,
1261                                 "monitor RDN \"%s\" is invalid\n",
1262                                 dn.bv_val, 0, 0 );
1263                         return( -1 );
1264                 }
1265
1266                 dn.bv_len += sizeof( SLAPD_MONITOR_DN ); /* 1 for the , */
1267                 dn.bv_val = ch_malloc( dn.bv_len + 1 );
1268                 strcpy( dn.bv_val , monitor_subsys[ i ]->mss_rdn.bv_val );
1269                 strcat( dn.bv_val, "," SLAPD_MONITOR_DN );
1270                 rc = dnPrettyNormal( NULL, &dn, &monitor_subsys[ i ]->mss_dn,
1271                         &monitor_subsys[ i ]->mss_ndn, NULL );
1272                 free( dn.bv_val );
1273                 if ( rc != LDAP_SUCCESS ) {
1274                         Debug( LDAP_DEBUG_ANY,
1275                                 "monitor DN \"%s\" is invalid\n",
1276                                 dn.bv_val, 0, 0 );
1277                         return( -1 );
1278                 }
1279
1280                 snprintf( buf, sizeof( buf ),
1281                                 "dn: %s\n"
1282                                 "objectClass: %s\n"
1283                                 "structuralObjectClass: %s\n"
1284                                 "cn: %s\n"
1285                                 "creatorsName: %s\n"
1286                                 "modifiersName: %s\n"
1287                                 "createTimestamp: %s\n"
1288                                 "modifyTimestamp: %s\n",
1289                                 monitor_subsys[ i ]->mss_dn.bv_val,
1290                                 mi->mi_oc_monitorContainer->soc_cname.bv_val,
1291                                 mi->mi_oc_monitorContainer->soc_cname.bv_val,
1292                                 monitor_subsys[ i ]->mss_name,
1293                                 mi->mi_creatorsName.bv_val,
1294                                 mi->mi_creatorsName.bv_val,
1295                                 mi->mi_startTime.bv_val,
1296                                 mi->mi_startTime.bv_val );
1297
1298                 e = str2entry( buf );
1299
1300                 if ( e == NULL) {
1301                         Debug( LDAP_DEBUG_ANY,
1302                                 "unable to create \"%s\" entry\n",
1303                                 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
1304                         return( -1 );
1305                 }
1306
1307                 mp = monitor_entrypriv_create();
1308                 if ( mp == NULL ) {
1309                         return -1;
1310                 }
1311                 e->e_private = ( void * )mp;
1312                 mp->mp_info = monitor_subsys[ i ];
1313                 mp->mp_flags = monitor_subsys[ i ]->mss_flags;
1314
1315                 if ( monitor_cache_add( mi, e ) ) {
1316                         Debug( LDAP_DEBUG_ANY,
1317                                 "unable to add entry \"%s\" to cache\n",
1318                                 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
1319                         return -1;
1320                 }
1321
1322                 *ep = e;
1323                 ep = &mp->mp_next;
1324         }
1325
1326         assert( be );
1327
1328         be->be_private = mi;
1329
1330         /*
1331          * opens the monitor backend subsystems
1332          */
1333         for ( ms = monitor_subsys; ms[ 0 ] != NULL; ms++ ) {
1334                 if ( ms[ 0 ]->mss_open && ( *ms[ 0 ]->mss_open )( be, ms[ 0 ] ) )
1335                 {
1336                         return( -1 );
1337                 }
1338                 ms[ 0 ]->mss_flags |= MONITOR_F_OPENED;
1339         }
1340
1341         monitor_subsys_opened = 1;
1342
1343         if ( mi->mi_entry_limbo ) {
1344                 entry_limbo_t   *el = (entry_limbo_t *)mi->mi_entry_limbo;
1345
1346                 for ( ; el; ) {
1347                         entry_limbo_t   *tmp;
1348
1349                         switch ( el->el_type ) {
1350                         case LIMBO_ENTRY:
1351                                 monitor_back_register_entry(
1352                                                 el->el_e,
1353                                                 el->el_cb );
1354                                 break;
1355
1356                         case LIMBO_ATTRS:
1357                                 monitor_back_register_entry_attrs(
1358                                                 &el->el_ndn,
1359                                                 el->el_a,
1360                                                 el->el_cb,
1361                                                 &el->el_base,
1362                                                 el->el_scope,
1363                                                 &el->el_filter );
1364                                 break;
1365
1366                         case LIMBO_CB:
1367                                 monitor_back_register_entry_callback(
1368                                                 &el->el_ndn,
1369                                                 el->el_cb,
1370                                                 &el->el_base,
1371                                                 el->el_scope,
1372                                                 &el->el_filter );
1373                                 break;
1374
1375                         default:
1376                                 assert( 0 );
1377                         }
1378
1379                         if ( el->el_e ) {
1380                                 entry_free( el->el_e );
1381                         }
1382                         if ( el->el_a ) {
1383                                 attrs_free( el->el_a );
1384                         }
1385                         if ( !BER_BVISNULL( &el->el_ndn ) ) {
1386                                 ber_memfree( el->el_ndn.bv_val );
1387                         }
1388                         if ( !BER_BVISNULL( &el->el_base ) ) {
1389                                 ber_memfree( el->el_base.bv_val );
1390                         }
1391                         if ( !BER_BVISNULL( &el->el_filter ) ) {
1392                                 ber_memfree( el->el_filter.bv_val );
1393                         }
1394
1395                         tmp = el;
1396                         el = el->el_next;
1397                         ch_free( tmp );
1398                 }
1399
1400                 mi->mi_entry_limbo = NULL;
1401         }
1402
1403         return( 0 );
1404 }
1405
1406 int
1407 monitor_back_config(
1408         BackendInfo     *bi,
1409         const char      *fname,
1410         int             lineno,
1411         int             argc,
1412         char            **argv
1413 )
1414 {
1415         /*
1416          * eventually, will hold backend specific configuration parameters
1417          */
1418         return SLAP_CONF_UNKNOWN;
1419 }
1420
1421 int
1422 monitor_back_db_config(
1423         Backend     *be,
1424         const char  *fname,
1425         int         lineno,
1426         int         argc,
1427         char        **argv
1428 )
1429 {
1430         monitor_info_t  *mi = ( monitor_info_t * )be->be_private;
1431
1432         /*
1433          * eventually, will hold database specific configuration parameters
1434          */
1435         if ( strcasecmp( argv[ 0 ], "l" ) == 0 ) {
1436                 if ( argc != 2 ) {
1437                         return 1;
1438                 }
1439
1440                 ber_str2bv( argv[ 1 ], 0, 1, &mi->mi_l );
1441
1442         } else {
1443                 return SLAP_CONF_UNKNOWN;
1444         }
1445
1446         return( 0 );
1447 }
1448
1449 int
1450 monitor_back_db_destroy(
1451         BackendDB       *be
1452 )
1453 {
1454         /*
1455          * FIXME: destroys all the data
1456          */
1457         return 0;
1458 }
1459
1460 #if SLAPD_MONITOR == SLAPD_MOD_DYNAMIC
1461
1462 /* conditionally define the init_module() function */
1463 SLAP_BACKEND_INIT_MODULE( monitor )
1464
1465 #endif /* SLAPD_MONITOR == SLAPD_MOD_DYNAMIC */
1466