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         Operation       op = { 0 };
 377         SlapReply       rs = { 0 };
 378         slap_callback   cb = { NULL, monitor_filter2ndn_cb, NULL, NULL };
 379         AttributeName   anlist[ 2 ];
 380         int             rc;
 381
 382         BER_BVZERO( ndn );
 383
 384         if ( be_monitor == NULL ) {
 385                 return -1;
 386         }
 387
 388         connection_fake_init( &conn, &op, &conn );
 389
 390         op.o_tag = LDAP_REQ_SEARCH;
 391
 392         /* use global malloc for now */
 393         op.o_tmpmemctx = NULL;
 394         op.o_tmpmfuncs = &ch_mfuncs;
 395
 396         op.o_bd = be_monitor;
 397         if ( base == NULL || BER_BVISNULL( base ) ) {
 398                 ber_dupbv_x( &op.o_req_dn, &op.o_bd->be_suffix[ 0 ],
 399                                 op.o_tmpmemctx );
 400                 ber_dupbv_x( &op.o_req_ndn, &op.o_bd->be_nsuffix[ 0 ],
 401                                 op.o_tmpmemctx );
 402
 403         } else {
 404                 if ( dnPrettyNormal( NULL, base, &op.o_req_dn, &op.o_req_ndn,
 405                                         op.o_tmpmemctx ) ) {
 406                         /* error */
 407                 }
 408         }
 409
 410         op.o_callback = &cb;
 411         cb.sc_private = (void *)ndn;
 412
 413         op.ors_scope = scope;
 414         ber_dupbv_x( &op.ors_filterstr, filter, op.o_tmpmemctx );
 415         op.ors_filter = str2filter_x( &op, filter->bv_val );
 416         op.ors_attrs = anlist;
 417         BER_BVSTR( &anlist[ 0 ].an_name, LDAP_NO_ATTRS );
 418         BER_BVZERO( &anlist[ 1 ].an_name );
 419         op.ors_attrsonly = 0;
 420         op.ors_tlimit = SLAP_NO_LIMIT;
 421         op.ors_slimit = 1;
 422         op.ors_limit = NULL;
 423         op.ors_deref = LDAP_DEREF_NEVER;
 424
 425         op.o_nocaching = 1;
 426         op.o_managedsait = 1;
 427
 428         rc = op.o_bd->be_search( &op, &rs );
 429
 430         filter_free_x( &op, op.ors_filter );
 431         op.o_tmpfree( op.ors_filterstr.bv_val, op.o_tmpmemctx );
 432         op.o_tmpfree( op.o_req_dn.bv_val, op.o_tmpmemctx );
 433         op.o_tmpfree( op.o_req_ndn.bv_val, op.o_tmpmemctx );
 434
 435         if ( rc != 0 ) {
 436                 return rc;
 437         }
 438
 439         switch ( rs.sr_err ) {
 440         case LDAP_SUCCESS:
 441                 if ( BER_BVISNULL( ndn ) ) {
 442                         rc = -1;
 443                 }
 444                 break;
 445
 446         case LDAP_SIZELIMIT_EXCEEDED:
 447         default:
 448                 if ( !BER_BVISNULL( ndn ) ) {
 449                         ber_memfree( ndn->bv_val );
 450                         BER_BVZERO( ndn );
 451                 }
 452                 rc = -1;
 453                 break;
 454         }
 455
 456         return rc;
 457 }
 458
 459 int
 460 monitor_back_register_entry_attrs(
 461                 struct berval           *ndn_in,
 462                 Attribute               *a,
 463                 monitor_callback_t      *cb,
 464                 struct berval           *base,
 465                 int                     scope,
 466                 struct berval           *filter )
 467 {
 468         monitor_info_t  *mi = ( monitor_info_t * )be_monitor->be_private;
 469         struct berval   ndn = BER_BVNULL;
 470
 471         assert( mi != NULL );
 472
 473         if ( ndn_in != NULL ) {
 474                 ndn = *ndn_in;
 475         }
 476
 477         if ( a == NULL && cb == NULL ) {
 478                 /* nothing to do */
 479                 return -1;
 480         }
 481
 482         if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) )
 483                         && BER_BVISNULL( filter ) )
 484         {
 485                 /* need a filter */
 486                 Debug( LDAP_DEBUG_ANY,
 487                         "monitor_back_register_entry_*(\"\"): "
 488                         "need a valid filter\n",
 489                         0, 0, 0 );
 490                 return -1;
 491         }
 492
 493         if ( monitor_subsys_opened ) {
 494                 Entry                   *e = NULL;
 495                 Attribute               **atp = NULL;
 496                 monitor_entry_t         *mp = NULL;
 497                 monitor_callback_t      **mcp = NULL;
 498                 int                     rc = 0;
 499                 int                     freeit = 0;
 500
 501                 if ( BER_BVISNULL( &ndn ) ) {
 502                         if ( monitor_filter2ndn( base, scope, filter, &ndn ) ) {
 503                                 /* entry does not exist */
 504                                 Debug( LDAP_DEBUG_ANY,
 505                                         "monitor_back_register_entry_*(\"\"): "
 506                                         "base=%s scope=%d filter=%s : "
 507                                         "unable to find entry\n",
 508                                         base->bv_val ? base->bv_val : "\"\"",
 509                                         scope, filter->bv_val );
 510                                 return -1;
 511                         }
 512
 513                         freeit = 1;
 514                 }
 515
 516                 if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) {
 517                         /* entry does not exist */
 518                         Debug( LDAP_DEBUG_ANY,
 519                                 "monitor_back_register_entry_*(\"%s\"): "
 520                                 "entry does not exist\n",
 521                                 ndn.bv_val, 0, 0 );
 522                         rc = -1;
 523                         goto done;
 524                 }
 525
 526                 assert( e->e_private != NULL );
 527                 mp = ( monitor_entry_t * )e->e_private;
 528
 529                 if ( mp->mp_flags & MONITOR_F_VOLATILE ) {
 530                         /* entry is volatile; cannot append callback */
 531                         Debug( LDAP_DEBUG_ANY,
 532                                 "monitor_back_register_entry_*(\"%s\"): "
 533                                 "entry is volatile\n",
 534                                 e->e_name.bv_val, 0, 0 );
 535                         rc = -1;
 536                         goto done;
 537                 }
 538
 539                 if ( a ) {
 540                         for ( atp = &e->e_attrs; *atp; atp = &(*atp)->a_next )
 541                                 /* just get to last */ ;
 542
 543                         *atp = attrs_dup( a );
 544                         if ( *atp == NULL ) {
 545                                 Debug( LDAP_DEBUG_ANY,
 546                                         "monitor_back_register_entry_*(\"%s\"): "
 547                                         "attrs_dup() failed\n",
 548                                         e->e_name.bv_val, 0, 0 );
 549                                 rc = -1;
 550                                 goto done;
 551                         }
 552                 }
 553
 554                 if ( cb ) {
 555                         for ( mcp = &mp->mp_cb; *mcp; mcp = &(*mcp)->mc_next )
 556                                 /* go to tail */ ;
 557
 558                         /* NOTE: we do not clear cb->mc_next, so this function
 559                          * can be used to append a list of callbacks */
 560                         (*mcp) = cb;
 561                 }
 562
 563 done:;
 564                 if ( rc ) {
 565                         if ( *atp ) {
 566                                 attrs_free( *atp );
 567                                 *atp = NULL;
 568                         }
 569                 }
 570
 571                 if ( freeit ) {
 572                         ber_memfree( ndn.bv_val );
 573                 }
 574
 575                 if ( e ) {
 576                         monitor_cache_release( mi, e );
 577                 }
 578
 579         } else {
 580                 entry_limbo_t   *elp, el = { 0 };
 581
 582                 el.el_type = LIMBO_ATTRS;
 583                 if ( !BER_BVISNULL( &ndn ) ) {
 584                         ber_dupbv( &el.el_ndn, &ndn );
 585                 }
 586                 if ( !BER_BVISNULL( base ) ) {
 587                         ber_dupbv( &el.el_base, base);
 588                 }
 589                 el.el_scope = scope;
 590                 if ( !BER_BVISNULL( filter ) ) {
 591                         ber_dupbv( &el.el_filter, filter );
 592                 }
 593
 594                 el.el_a = attrs_dup( a );
 595                 el.el_cb = cb;
 596
 597                 elp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
 598                 if ( elp == NULL ) {
 599                         attrs_free( a );
 600                         return -1;
 601                 }
 602
 603                 el.el_next = (entry_limbo_t *)mi->mi_entry_limbo;
 604                 *elp = el;
 605                 mi->mi_entry_limbo = (void *)elp;;
 606         }
 607
 608         return 0;
 609 }
 610
 611 int
 612 monitor_back_register_entry_callback(
 613                 struct berval           *ndn,
 614                 monitor_callback_t      *cb,
 615                 struct berval           *base,
 616                 int                     scope,
 617                 struct berval           *filter )
 618 {
 619         return monitor_back_register_entry_attrs( ndn, NULL, cb,
 620                         base, scope, filter );
 621 }
 622
 623 monitor_subsys_t *
 624 monitor_back_get_subsys( const char *name )
 625 {
 626         if ( monitor_subsys != NULL ) {
 627                 int     i;
 628
 629                 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
 630                         if ( strcasecmp( monitor_subsys[ i ]->mss_name, name ) == 0 ) {
 631                                 return monitor_subsys[ i ];
 632                         }
 633                 }
 634         }
 635
 636         return NULL;
 637 }
 638
 639 monitor_subsys_t *
 640 monitor_back_get_subsys_by_dn( struct berval *ndn, int sub )
 641 {
 642         if ( monitor_subsys != NULL ) {
 643                 int     i;
 644
 645                 if ( sub ) {
 646                         for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
 647                                 if ( dnIsSuffix( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
 648                                         return monitor_subsys[ i ];
 649                                 }
 650                         }
 651
 652                 } else {
 653                         for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
 654                                 if ( dn_match( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
 655                                         return monitor_subsys[ i ];
 656                                 }
 657                         }
 658                 }
 659         }
 660
 661         return NULL;
 662 }
 663
 664 int
 665 monitor_back_initialize(
 666         BackendInfo     *bi
 667 )
 668 {
 669         monitor_subsys_t        *ms;
 670         static char             *controls[] = {
 671                 LDAP_CONTROL_MANAGEDSAIT,
 672                 LDAP_CONTROL_VALUESRETURNFILTER,
 673                 NULL
 674         };
 675
 676         bi->bi_controls = controls;
 677
 678         bi->bi_init = 0;
 679         bi->bi_open = 0;
 680         bi->bi_config = monitor_back_config;
 681         bi->bi_close = 0;
 682         bi->bi_destroy = 0;
 683
 684         bi->bi_db_init = monitor_back_db_init;
 685         bi->bi_db_config = monitor_back_db_config;
 686         bi->bi_db_open = monitor_back_db_open;
 687         bi->bi_db_close = 0;
 688         bi->bi_db_destroy = monitor_back_db_destroy;
 689
 690         bi->bi_op_bind = monitor_back_bind;
 691         bi->bi_op_unbind = 0;
 692         bi->bi_op_search = monitor_back_search;
 693         bi->bi_op_compare = monitor_back_compare;
 694         bi->bi_op_modify = monitor_back_modify;
 695         bi->bi_op_modrdn = 0;
 696         bi->bi_op_add = 0;
 697         bi->bi_op_delete = 0;
 698         bi->bi_op_abandon = 0;
 699
 700         bi->bi_extended = 0;
 701
 702         bi->bi_entry_release_rw = 0;
 703         bi->bi_chk_referrals = 0;
 704         bi->bi_operational = monitor_back_operational;
 705
 706         /*
 707          * hooks for slap tools
 708          */
 709         bi->bi_tool_entry_open = 0;
 710         bi->bi_tool_entry_close = 0;
 711         bi->bi_tool_entry_first = 0;
 712         bi->bi_tool_entry_next = 0;
 713         bi->bi_tool_entry_get = 0;
 714         bi->bi_tool_entry_put = 0;
 715         bi->bi_tool_entry_reindex = 0;
 716         bi->bi_tool_sync = 0;
 717         bi->bi_tool_dn2id_get = 0;
 718         bi->bi_tool_id2entry_get = 0;
 719         bi->bi_tool_entry_modify = 0;
 720
 721         bi->bi_connection_init = 0;
 722         bi->bi_connection_destroy = 0;
 723
 724         for ( ms = known_monitor_subsys; ms->mss_name != NULL; ms++ ) {
 725                 if ( monitor_back_register_subsys( ms ) ) {
 726                         return -1;
 727                 }
 728         }
 729
 730         return 0;
 731 }
 732
 733 int
 734 monitor_back_db_init(
 735         BackendDB       *be
 736 )
 737 {
 738         monitor_info_t  *mi;
 739         int             i, rc;
 740         struct berval   dn, ndn;
 741         struct berval   bv;
 742         const char      *text;
 743
 744         struct m_s {
 745                 char    *name;
 746                 char    *schema;
 747                 slap_mask_t flags;
 748                 int     offset;
 749         } moc[] = {
 750                 { "monitor", "( 1.3.6.1.4.1.4203.666.3.2 "
 751                         "NAME 'monitor' "
 752                         "DESC 'OpenLDAP system monitoring' "
 753                         "SUP top STRUCTURAL "
 754                         "MUST cn "
 755                         "MAY ( "
 756                                 "description "
 757                                 "$ l "
 758 #if 0   /* temporarily disabled */
 759                                 "$ st "
 760                                 "$ street "
 761                                 "$ postalAddress "
 762                                 "$ postalCode "
 763 #endif
 764                                 "$ seeAlso "
 765                                 "$ labeledURI "
 766                                 "$ monitoredInfo "
 767                                 "$ managedInfo "
 768                                 "$ monitorOverlay "
 769                         ") )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 770                         offsetof(monitor_info_t, mi_oc_monitor) },
 771                 { "monitorServer", "( 1.3.6.1.4.1.4203.666.3.7 "
 772                         "NAME 'monitorServer' "
 773                         "DESC 'Server monitoring root entry' "
 774                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 775                         offsetof(monitor_info_t, mi_oc_monitorServer) },
 776                 { "monitorContainer", "( 1.3.6.1.4.1.4203.666.3.8 "
 777                         "NAME 'monitorContainer' "
 778                         "DESC 'monitor container class' "
 779                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 780                         offsetof(monitor_info_t, mi_oc_monitorContainer) },
 781                 { "monitorCounterObject", "( 1.3.6.1.4.1.4203.666.3.9 "
 782                         "NAME 'monitorCounterObject' "
 783                         "DESC 'monitor counter class' "
 784                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 785                         offsetof(monitor_info_t, mi_oc_monitorCounterObject) },
 786                 { "monitorOperation", "( 1.3.6.1.4.1.4203.666.3.10 "
 787                         "NAME 'monitorOperation' "
 788                         "DESC 'monitor operation class' "
 789                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 790                         offsetof(monitor_info_t, mi_oc_monitorOperation) },
 791                 { "monitorConnection", "( 1.3.6.1.4.1.4203.666.3.11 "
 792                         "NAME 'monitorConnection' "
 793                         "DESC 'monitor connection class' "
 794                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 795                         offsetof(monitor_info_t, mi_oc_monitorConnection) },
 796                 { "managedObject", "( 1.3.6.1.4.1.4203.666.3.12 "
 797                         "NAME 'managedObject' "
 798                         "DESC 'monitor managed entity class' "
 799                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 800                         offsetof(monitor_info_t, mi_oc_managedObject) },
 801                 { "monitoredObject", "( 1.3.6.1.4.1.4203.666.3.13 "
 802                         "NAME 'monitoredObject' "
 803                         "DESC 'monitor monitored entity class' "
 804                         "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
 805                         offsetof(monitor_info_t, mi_oc_monitoredObject) },
 806                 { NULL, NULL, 0, -1 }
 807         }, mat[] = {
 808                 { "monitoredInfo", "( 1.3.6.1.4.1.4203.666.1.14 "
 809                         "NAME 'monitoredInfo' "
 810                         "DESC 'monitored info' "
 811                         /* "SUP name " */
 812                         "EQUALITY caseIgnoreMatch "
 813                         "SUBSTR caseIgnoreSubstringsMatch "
 814                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768} "
 815                         "NO-USER-MODIFICATION "
 816                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 817                         offsetof(monitor_info_t, mi_ad_monitoredInfo) },
 818                 { "managedInfo", "( 1.3.6.1.4.1.4203.666.1.15 "
 819                         "NAME 'managedInfo' "
 820                         "DESC 'monitor managed info' "
 821                         "SUP name )", SLAP_AT_HIDE,
 822                         offsetof(monitor_info_t, mi_ad_managedInfo) },
 823                 { "monitorCounter", "( 1.3.6.1.4.1.4203.666.1.16 "
 824                         "NAME 'monitorCounter' "
 825                         "DESC 'monitor counter' "
 826                         "EQUALITY integerMatch "
 827                         "ORDERING integerOrderingMatch "
 828                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
 829                         "NO-USER-MODIFICATION "
 830                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 831                         offsetof(monitor_info_t, mi_ad_monitorCounter) },
 832                 { "monitorOpCompleted", "( 1.3.6.1.4.1.4203.666.1.17 "
 833                         "NAME 'monitorOpCompleted' "
 834                         "DESC 'monitor completed operations' "
 835                         "SUP monitorCounter "
 836                         "NO-USER-MODIFICATION "
 837                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 838                         offsetof(monitor_info_t, mi_ad_monitorOpCompleted) },
 839                 { "monitorOpInitiated", "( 1.3.6.1.4.1.4203.666.1.18 "
 840                         "NAME 'monitorOpInitiated' "
 841                         "DESC 'monitor initiated operations' "
 842                         "SUP monitorCounter "
 843                         "NO-USER-MODIFICATION "
 844                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 845                         offsetof(monitor_info_t, mi_ad_monitorOpInitiated) },
 846                 { "monitorConnectionNumber", "( 1.3.6.1.4.1.4203.666.1.19 "
 847                         "NAME 'monitorConnectionNumber' "
 848                         "DESC 'monitor connection number' "
 849                         "SUP monitorCounter "
 850                         "NO-USER-MODIFICATION "
 851                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 852                         offsetof(monitor_info_t, mi_ad_monitorConnectionNumber) },
 853                 { "monitorConnectionAuthzDN", "( 1.3.6.1.4.1.4203.666.1.20 "
 854                         "NAME 'monitorConnectionAuthzDN' "
 855                         "DESC 'monitor connection authorization DN' "
 856                         /* "SUP distinguishedName " */
 857                         "EQUALITY distinguishedNameMatch "
 858                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
 859                         "NO-USER-MODIFICATION "
 860                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 861                         offsetof(monitor_info_t, mi_ad_monitorConnectionAuthzDN) },
 862                 { "monitorConnectionLocalAddress", "( 1.3.6.1.4.1.4203.666.1.21 "
 863                         "NAME 'monitorConnectionLocalAddress' "
 864                         "DESC 'monitor connection local address' "
 865                         "SUP monitoredInfo "
 866                         "NO-USER-MODIFICATION "
 867                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 868                         offsetof(monitor_info_t, mi_ad_monitorConnectionLocalAddress) },
 869                 { "monitorConnectionPeerAddress", "( 1.3.6.1.4.1.4203.666.1.22 "
 870                         "NAME 'monitorConnectionPeerAddress' "
 871                         "DESC 'monitor connection peer address' "
 872                         "SUP monitoredInfo "
 873                         "NO-USER-MODIFICATION "
 874                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 875                         offsetof(monitor_info_t, mi_ad_monitorConnectionPeerAddress) },
 876                 { "monitorTimestamp", "( 1.3.6.1.4.1.4203.666.1.24 "
 877                         "NAME 'monitorTimestamp' "
 878                         "DESC 'monitor timestamp' "
 879                         "EQUALITY generalizedTimeMatch "
 880                         "ORDERING generalizedTimeOrderingMatch "
 881                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
 882                         "SINGLE-VALUE "
 883                         "NO-USER-MODIFICATION "
 884                         "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
 885                         offsetof(monitor_info_t, mi_ad_monitorTimestamp) },
 886                 { "monitorOverlay", "( 1.3.6.1.4.1.4203.666.1.27 "
 887                         "NAME 'monitorOverlay' "
 888                         "DESC 'name of overlays defined for a give database' "
 889                         "SUP monitoredInfo "
 890                         "NO-USER-MODIFICATION "
 891                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 892                         offsetof(monitor_info_t, mi_ad_monitorOverlay) },
 893                 { "readOnly", "( 1.3.6.1.4.1.4203.666.1.31 "
 894                         "NAME 'readOnly' "
 895                         "DESC 'read/write status of a given database' "
 896                         "EQUALITY booleanMatch "
 897                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
 898                         "SINGLE-VALUE "
 899                         "USAGE directoryOperation )", SLAP_AT_HIDE,
 900                         offsetof(monitor_info_t, mi_ad_readOnly) },
 901                 { "restrictedOperation", "( 1.3.6.1.4.1.4203.666.1.32 "
 902                         "NAME 'restrictedOperation' "
 903                         "DESC 'name of restricted operation for a given database' "
 904                         "SUP managedInfo )", SLAP_AT_HIDE,
 905                         offsetof(monitor_info_t, mi_ad_restrictedOperation ) },
 906 #ifdef INTEGRATE_CORE_SCHEMA
 907                 { NULL, NULL, 0, -1 },  /* description */
 908                 { NULL, NULL, 0, -1 },  /* seeAlso */
 909                 { NULL, NULL, 0, -1 },  /* l */
 910                 { NULL, NULL, 0, -1 },  /* labeledURI */
 911 #endif /* INTEGRATE_CORE_SCHEMA */
 912                 { NULL, NULL, 0, -1 }
 913         }, mat_core[] = {
 914                 { "description", "( 2.5.4.13 "
 915                         "NAME 'description' "
 916                         "DESC 'RFC2256: descriptive information' "
 917                         "EQUALITY caseIgnoreMatch "
 918                         "SUBSTR caseIgnoreSubstringsMatch "
 919                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{1024} )", 0,
 920                         offsetof(monitor_info_t, mi_ad_description) },
 921                 { "seeAlso", "( 2.5.4.34 "
 922                         "NAME 'seeAlso' "
 923                         "DESC 'RFC2256: DN of related object' "
 924                         "SUP distinguishedName )", 0,
 925                         offsetof(monitor_info_t, mi_ad_seeAlso) },
 926                 { "l", "( 2.5.4.7 "
 927                         "NAME ( 'l' 'localityName' ) "
 928                         "DESC 'RFC2256: locality which this object resides in' "
 929                         "SUP name )", 0,
 930                         offsetof(monitor_info_t, mi_ad_l) },
 931 #ifdef MONITOR_DEFINE_LABELEDURI
 932                 { "labeledURI", "( 1.3.6.1.4.1.250.1.57 "
 933                         "NAME 'labeledURI' "
 934                         "DESC 'RFC2079: Uniform Resource Identifier with optional label' "
 935                         "EQUALITY caseExactMatch "
 936                         "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )", 0,
 937                         offsetof(monitor_info_t, mi_ad_labeledURI) },
 938 #endif /* MONITOR_DEFINE_LABELEDURI */
 939                 { NULL, NULL, 0, -1 }
 940         };
 941
 942         /*
 943          * database monitor can be defined once only
 944          */
 945         if ( be_monitor ) {
 946                 Debug( LDAP_DEBUG_ANY,
 947                         "only one monitor backend is allowed\n", 0, 0, 0 );
 948                 return( -1 );
 949         }
 950         be_monitor = be;
 951
 952         /* indicate system schema supported */
 953         SLAP_BFLAGS(be) |= SLAP_BFLAG_MONITOR;
 954
 955         dn.bv_val = SLAPD_MONITOR_DN;
 956         dn.bv_len = sizeof( SLAPD_MONITOR_DN ) - 1;
 957
 958         rc = dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL );
 959         if( rc != LDAP_SUCCESS ) {
 960                 Debug( LDAP_DEBUG_ANY,
 961                         "unable to normalize monitor DN \"%s\"\n",
 962                         SLAPD_MONITOR_DN, 0, 0 );
 963                 return -1;
 964         }
 965
 966         ber_dupbv( &bv, &dn );
 967         ber_bvarray_add( &be->be_suffix, &bv );
 968         ber_bvarray_add( &be->be_nsuffix, &ndn );
 969
 970         mi = ( monitor_info_t * )ch_calloc( sizeof( monitor_info_t ), 1 );
 971         if ( mi == NULL ) {
 972                 Debug( LDAP_DEBUG_ANY,
 973                         "unable to initialize monitor backend\n", 0, 0, 0 );
 974                 return -1;
 975         }
 976
 977         memset( mi, 0, sizeof( monitor_info_t ) );
 978
 979         ldap_pvt_thread_mutex_init( &mi->mi_cache_mutex );
 980
 981         be->be_private = mi;
 982
 983 #ifdef INTEGRATE_CORE_SCHEMA
 984         /* prepare for schema integration */
 985         for ( k = 0; mat[ k ].name != NULL; k++ );
 986 #endif /* INTEGRATE_CORE_SCHEMA */
 987
 988         for ( i = 0; mat_core[ i ].name != NULL; i++ ) {
 989                 AttributeDescription    **ad;
 990                 const char              *text;
 991
 992                 ad = ((AttributeDescription **)&(((char *)mi)[ mat_core[ i ].offset ]));
 993                 ad[ 0 ] = NULL;
 994
 995                 switch (slap_str2ad( mat_core[ i ].name, ad, &text ) ) {
 996                 case LDAP_SUCCESS:
 997                         break;
 998
 999 #ifdef INTEGRATE_CORE_SCHEMA
1000                 case LDAP_UNDEFINED_TYPE:
1001                         mat[ k ] = mat_core[ i ];
1002                         k++;
1003                         break;
1004 #endif /* INTEGRATE_CORE_SCHEMA */
1005
1006                 default:
1007                         Debug( LDAP_DEBUG_ANY,
1008                                 "monitor_back_db_init: %s: %s\n",
1009                                 mat_core[ i ].name, text, 0 );
1010                         return( -1 );
1011                 }
1012         }
1013
1014         /* schema integration */
1015         for ( i = 0; mat[ i ].name; i++ ) {
1016                 LDAPAttributeType       *at;
1017                 int                     code;
1018                 const char              *err;
1019                 AttributeDescription    **ad;
1020
1021                 at = ldap_str2attributetype( mat[ i ].schema, &code,
1022                         &err, LDAP_SCHEMA_ALLOW_ALL );
1023                 if ( !at ) {
1024                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1025                                 "in AttributeType \"%s\" %s before %s\n",
1026                                 mat[ i ].name, ldap_scherr2str(code), err );
1027                         return -1;
1028                 }
1029
1030                 if ( at->at_oid == NULL ) {
1031                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1032                                 "null OID for attributeType \"%s\"\n",
1033                                 mat[ i ].name, 0, 0 );
1034                         return -1;
1035                 }
1036
1037                 code = at_add(at, &err);
1038                 if ( code ) {
1039                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1040                                 "%s in attributeType \"%s\"\n",
1041                                 scherr2str(code), mat[ i ].name, 0 );
1042                         return -1;
1043                 }
1044                 ldap_memfree(at);
1045
1046                 ad = ((AttributeDescription **)&(((char *)mi)[ mat[ i ].offset ]));
1047                 ad[ 0 ] = NULL;
1048                 if ( slap_str2ad( mat[ i ].name, ad, &text ) ) {
1049                         Debug( LDAP_DEBUG_ANY,
1050                                 "monitor_back_db_init: %s\n", text, 0, 0 );
1051                         return -1;
1052                 }
1053
1054                 (*ad)->ad_type->sat_flags |= mat[ i ].flags;
1055         }
1056
1057         for ( i = 0; moc[ i ].name; i++ ) {
1058                 LDAPObjectClass         *oc;
1059                 int                     code;
1060                 const char              *err;
1061                 ObjectClass             *Oc;
1062
1063                 oc = ldap_str2objectclass(moc[ i ].schema, &code, &err,
1064                                 LDAP_SCHEMA_ALLOW_ALL );
1065                 if ( !oc ) {
1066                         Debug( LDAP_DEBUG_ANY,
1067                                 "unable to parse monitor objectclass \"%s\": "
1068                                 "%s before %s\n" , moc[ i ].name,
1069                                 ldap_scherr2str(code), err );
1070                         return -1;
1071                 }
1072
1073                 if ( oc->oc_oid == NULL ) {
1074                         Debug( LDAP_DEBUG_ANY,
1075                                 "objectclass \"%s\" has no OID\n" ,
1076                                 moc[ i ].name, 0, 0 );
1077                         return -1;
1078                 }
1079
1080                 code = oc_add(oc, 0, &err);
1081                 if ( code ) {
1082                         Debug( LDAP_DEBUG_ANY,
1083                                 "objectclass \"%s\": %s \"%s\"\n" ,
1084                                 moc[ i ].name, scherr2str(code), err );
1085                         return -1;
1086                 }
1087
1088                 ldap_memfree(oc);
1089
1090                 Oc = oc_find( moc[ i ].name );
1091                 if ( Oc == NULL ) {
1092                         Debug( LDAP_DEBUG_ANY, "monitor_back_db_init: "
1093                                         "unable to find objectClass %s "
1094                                         "(just added)\n", moc[ i ].name, 0, 0 );
1095                         return -1;
1096                 }
1097
1098                 Oc->soc_flags |= moc[ i ].flags;
1099
1100                 ((ObjectClass **)&(((char *)mi)[ moc[ i ].offset ]))[ 0 ] = Oc;
1101         }
1102
1103         return 0;
1104 }
1105
1106 int
1107 monitor_back_db_open(
1108         BackendDB       *be
1109 )
1110 {
1111         monitor_info_t          *mi = (monitor_info_t *)be->be_private;
1112         struct monitor_subsys_t **ms;
1113         Entry                   *e, **ep;
1114         monitor_entry_t         *mp;
1115         int                     i;
1116         char                    buf[ BACKMONITOR_BUFSIZE ],
1117                                 *end_of_line;
1118         struct berval           bv;
1119         struct tm               *tms;
1120 #ifdef HAVE_GMTIME_R
1121         struct tm               tm_buf;
1122 #endif
1123         static char             tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
1124
1125         assert( be_monitor );
1126         if ( be != be_monitor ) {
1127                 be_monitor = be;
1128         }
1129
1130         /*
1131          * Start
1132          */
1133 #ifndef HAVE_GMTIME_R
1134         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
1135 #endif
1136 #ifdef HACK_LOCAL_TIME
1137 # ifdef HAVE_LOCALTIME_R
1138         tms = localtime_r( &starttime, &tm_buf );
1139 # else
1140         tms = localtime( &starttime );
1141 # endif /* HAVE_LOCALTIME_R */
1142         lutil_localtime( tmbuf, sizeof(tmbuf), tms, -timezone );
1143 #else /* !HACK_LOCAL_TIME */
1144 # ifdef HAVE_GMTIME_R
1145         tms = gmtime_r( &starttime, &tm_buf );
1146 # else
1147         tms = gmtime( &starttime );
1148 # endif /* HAVE_GMTIME_R */
1149         lutil_gentime( tmbuf, sizeof(tmbuf), tms );
1150 #endif /* !HACK_LOCAL_TIME */
1151 #ifndef HAVE_GMTIME_R
1152         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
1153 #endif
1154
1155         mi->mi_startTime.bv_val = tmbuf;
1156         mi->mi_startTime.bv_len = strlen( tmbuf );
1157
1158         if ( BER_BVISEMPTY( &be->be_rootdn ) ) {
1159                 BER_BVSTR( &mi->mi_creatorsName, SLAPD_ANONYMOUS );
1160         } else {
1161                 mi->mi_creatorsName = be->be_rootdn;
1162         }
1163
1164         /*
1165          * creates the "cn=Monitor" entry
1166          */
1167         snprintf( buf, sizeof( buf ),
1168                 "dn: %s\n"
1169                 "objectClass: %s\n"
1170                 "structuralObjectClass: %s\n"
1171                 "cn: Monitor\n"
1172                 "%s: This subtree contains monitoring/managing objects.\n"
1173                 "%s: This object contains information about this server.\n"
1174 #if 0
1175                 "%s: createTimestamp reflects the time this server instance was created.\n"
1176                 "%s: modifyTimestamp reflects the time this server instance was last accessed.\n"
1177 #endif
1178                 "creatorsName: %s\n"
1179                 "modifiersName: %s\n"
1180                 "createTimestamp: %s\n"
1181                 "modifyTimestamp: %s\n",
1182                 SLAPD_MONITOR_DN,
1183                 mi->mi_oc_monitorServer->soc_cname.bv_val,
1184                 mi->mi_oc_monitorServer->soc_cname.bv_val,
1185                 mi->mi_ad_description->ad_cname.bv_val,
1186                 mi->mi_ad_description->ad_cname.bv_val,
1187 #if 0
1188                 mi->mi_ad_description->ad_cname.bv_val,
1189                 mi->mi_ad_description->ad_cname.bv_val,
1190 #endif
1191                 mi->mi_creatorsName.bv_val,
1192                 mi->mi_creatorsName.bv_val,
1193                 mi->mi_startTime.bv_val,
1194                 mi->mi_startTime.bv_val );
1195
1196         e = str2entry( buf );
1197         if ( e == NULL) {
1198                 Debug( LDAP_DEBUG_ANY,
1199                         "unable to create \"%s\" entry\n",
1200                         SLAPD_MONITOR_DN, 0, 0 );
1201                 return( -1 );
1202         }
1203
1204         bv.bv_val = (char *) Versionstr;
1205         end_of_line = strchr( Versionstr, '\n' );
1206         if ( end_of_line ) {
1207                 bv.bv_len = end_of_line - Versionstr;
1208         } else {
1209                 bv.bv_len = strlen( Versionstr );
1210         }
1211
1212         if ( attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
1213                                 &bv, NULL ) ) {
1214                 Debug( LDAP_DEBUG_ANY,
1215                         "unable to add monitoredInfo to \"%s\" entry\n",
1216                         SLAPD_MONITOR_DN, 0, 0 );
1217                 return( -1 );
1218         }
1219
1220         if ( mi->mi_l.bv_len ) {
1221                 if ( attr_merge_normalize_one( e, mi->mi_ad_l, &mi->mi_l, NULL ) ) {
1222                         Debug( LDAP_DEBUG_ANY,
1223                                 "unable to add locality to \"%s\" entry\n",
1224                                 SLAPD_MONITOR_DN, 0, 0 );
1225                         return( -1 );
1226                 }
1227         }
1228
1229         mp = monitor_entrypriv_create();
1230         if ( mp == NULL ) {
1231                 return -1;
1232         }
1233         e->e_private = ( void * )mp;
1234         ep = &mp->mp_children;
1235
1236         if ( monitor_cache_add( mi, e ) ) {
1237                 Debug( LDAP_DEBUG_ANY,
1238                         "unable to add entry \"%s\" to cache\n",
1239                         SLAPD_MONITOR_DN, 0, 0 );
1240                 return -1;
1241         }
1242
1243         /*
1244          * Create all the subsystem specific entries
1245          */
1246         for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1247                 int             len = strlen( monitor_subsys[ i ]->mss_name );
1248                 struct berval   dn;
1249                 int             rc;
1250
1251                 dn.bv_len = len + sizeof( "cn=" ) - 1;
1252                 dn.bv_val = ch_calloc( sizeof( char ), dn.bv_len + 1 );
1253                 strcpy( dn.bv_val, "cn=" );
1254                 strcat( dn.bv_val, monitor_subsys[ i ]->mss_name );
1255                 rc = dnPretty( NULL, &dn, &monitor_subsys[ i ]->mss_rdn, NULL );
1256                 free( dn.bv_val );
1257                 if ( rc != LDAP_SUCCESS ) {
1258                         Debug( LDAP_DEBUG_ANY,
1259                                 "monitor RDN \"%s\" is invalid\n",
1260                                 dn.bv_val, 0, 0 );
1261                         return( -1 );
1262                 }
1263
1264                 dn.bv_len += sizeof( SLAPD_MONITOR_DN ); /* 1 for the , */
1265                 dn.bv_val = ch_malloc( dn.bv_len + 1 );
1266                 strcpy( dn.bv_val , monitor_subsys[ i ]->mss_rdn.bv_val );
1267                 strcat( dn.bv_val, "," SLAPD_MONITOR_DN );
1268                 rc = dnPrettyNormal( NULL, &dn, &monitor_subsys[ i ]->mss_dn,
1269                         &monitor_subsys[ i ]->mss_ndn, NULL );
1270                 free( dn.bv_val );
1271                 if ( rc != LDAP_SUCCESS ) {
1272                         Debug( LDAP_DEBUG_ANY,
1273                                 "monitor DN \"%s\" is invalid\n",
1274                                 dn.bv_val, 0, 0 );
1275                         return( -1 );
1276                 }
1277
1278                 snprintf( buf, sizeof( buf ),
1279                                 "dn: %s\n"
1280                                 "objectClass: %s\n"
1281                                 "structuralObjectClass: %s\n"
1282                                 "cn: %s\n"
1283                                 "creatorsName: %s\n"
1284                                 "modifiersName: %s\n"
1285                                 "createTimestamp: %s\n"
1286                                 "modifyTimestamp: %s\n",
1287                                 monitor_subsys[ i ]->mss_dn.bv_val,
1288                                 mi->mi_oc_monitorContainer->soc_cname.bv_val,
1289                                 mi->mi_oc_monitorContainer->soc_cname.bv_val,
1290                                 monitor_subsys[ i ]->mss_name,
1291                                 mi->mi_creatorsName.bv_val,
1292                                 mi->mi_creatorsName.bv_val,
1293                                 mi->mi_startTime.bv_val,
1294                                 mi->mi_startTime.bv_val );
1295
1296                 e = str2entry( buf );
1297
1298                 if ( e == NULL) {
1299                         Debug( LDAP_DEBUG_ANY,
1300                                 "unable to create \"%s\" entry\n",
1301                                 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
1302                         return( -1 );
1303                 }
1304
1305                 mp = monitor_entrypriv_create();
1306                 if ( mp == NULL ) {
1307                         return -1;
1308                 }
1309                 e->e_private = ( void * )mp;
1310                 mp->mp_info = monitor_subsys[ i ];
1311                 mp->mp_flags = monitor_subsys[ i ]->mss_flags;
1312
1313                 if ( monitor_cache_add( mi, e ) ) {
1314                         Debug( LDAP_DEBUG_ANY,
1315                                 "unable to add entry \"%s\" to cache\n",
1316                                 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
1317                         return -1;
1318                 }
1319
1320                 *ep = e;
1321                 ep = &mp->mp_next;
1322         }
1323
1324         assert( be );
1325
1326         be->be_private = mi;
1327
1328         /*
1329          * opens the monitor backend subsystems
1330          */
1331         for ( ms = monitor_subsys; ms[ 0 ] != NULL; ms++ ) {
1332                 if ( ms[ 0 ]->mss_open && ( *ms[ 0 ]->mss_open )( be, ms[ 0 ] ) )
1333                 {
1334                         return( -1 );
1335                 }
1336                 ms[ 0 ]->mss_flags |= MONITOR_F_OPENED;
1337         }
1338
1339         monitor_subsys_opened = 1;
1340
1341         if ( mi->mi_entry_limbo ) {
1342                 entry_limbo_t   *el = (entry_limbo_t *)mi->mi_entry_limbo;
1343
1344                 for ( ; el; ) {
1345                         entry_limbo_t   *tmp;
1346
1347                         switch ( el->el_type ) {
1348                         case LIMBO_ENTRY:
1349                                 monitor_back_register_entry(
1350                                                 el->el_e,
1351                                                 el->el_cb );
1352                                 break;
1353
1354                         case LIMBO_ATTRS:
1355                                 monitor_back_register_entry_attrs(
1356                                                 &el->el_ndn,
1357                                                 el->el_a,
1358                                                 el->el_cb,
1359                                                 &el->el_base,
1360                                                 el->el_scope,
1361                                                 &el->el_filter );
1362                                 break;
1363
1364                         case LIMBO_CB:
1365                                 monitor_back_register_entry_callback(
1366                                                 &el->el_ndn,
1367                                                 el->el_cb,
1368                                                 &el->el_base,
1369                                                 el->el_scope,
1370                                                 &el->el_filter );
1371                                 break;
1372
1373                         default:
1374                                 assert( 0 );
1375                         }
1376
1377                         if ( el->el_e ) {
1378                                 entry_free( el->el_e );
1379                         }
1380                         if ( el->el_a ) {
1381                                 attrs_free( el->el_a );
1382                         }
1383                         if ( !BER_BVISNULL( &el->el_ndn ) ) {
1384                                 ber_memfree( el->el_ndn.bv_val );
1385                         }
1386                         if ( !BER_BVISNULL( &el->el_base ) ) {
1387                                 ber_memfree( el->el_base.bv_val );
1388                         }
1389                         if ( !BER_BVISNULL( &el->el_filter ) ) {
1390                                 ber_memfree( el->el_filter.bv_val );
1391                         }
1392
1393                         tmp = el;
1394                         el = el->el_next;
1395                         ch_free( tmp );
1396                 }
1397
1398                 mi->mi_entry_limbo = NULL;
1399         }
1400
1401         return( 0 );
1402 }
1403
1404 int
1405 monitor_back_config(
1406         BackendInfo     *bi,
1407         const char      *fname,
1408         int             lineno,
1409         int             argc,
1410         char            **argv
1411 )
1412 {
1413         /*
1414          * eventually, will hold backend specific configuration parameters
1415          */
1416         return SLAP_CONF_UNKNOWN;
1417 }
1418
1419 int
1420 monitor_back_db_config(
1421         Backend     *be,
1422         const char  *fname,
1423         int         lineno,
1424         int         argc,
1425         char        **argv
1426 )
1427 {
1428         monitor_info_t  *mi = ( monitor_info_t * )be->be_private;
1429
1430         /*
1431          * eventually, will hold database specific configuration parameters
1432          */
1433         if ( strcasecmp( argv[ 0 ], "l" ) == 0 ) {
1434                 if ( argc != 2 ) {
1435                         return 1;
1436                 }
1437
1438                 ber_str2bv( argv[ 1 ], 0, 1, &mi->mi_l );
1439
1440         } else {
1441                 return SLAP_CONF_UNKNOWN;
1442         }
1443
1444         return( 0 );
1445 }
1446
1447 int
1448 monitor_back_db_destroy(
1449         BackendDB       *be
1450 )
1451 {
1452         /*
1453          * FIXME: destroys all the data
1454          */
1455         return 0;
1456 }
1457
1458 #if SLAPD_MONITOR == SLAPD_MOD_DYNAMIC
1459
1460 int
1461 init_module( int argc, char *argv[] )
1462 {
1463         BackendInfo bi;
1464
1465         memset( &bi, '\0', sizeof( bi ) );
1466         bi.bi_type = "monitor";
1467         bi.bi_init = monitor_back_initialize;
1468
1469         backend_add( &bi );
1470
1471         return 0;
1472 }
1473
1474 #endif /* SLAPD_MONITOR */
1475
1476