diff options
Diffstat (limited to 'servers/slapd/back-monitor/init.c')
| -rw-r--r-- | servers/slapd/back-monitor/init.c | 2573 |
1 files changed, 2573 insertions, 0 deletions
diff --git a/servers/slapd/back-monitor/init.c b/servers/slapd/back-monitor/init.c new file mode 100644 index 0000000..43749dd --- /dev/null +++ b/servers/slapd/back-monitor/init.c @@ -0,0 +1,2573 @@ +/* init.c - initialize monitor backend */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 2001-2022 The OpenLDAP Foundation. + * Portions Copyright 2001-2003 Pierangelo Masarati. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by Pierangelo Masarati for inclusion + * in OpenLDAP Software. + */ + +#include "portable.h" + +#include <stdio.h> +#include <ac/string.h> + +#include <lutil.h> +#include "slap.h" +#include "slap-config.h" +#include "lber_pvt.h" +#include "back-monitor.h" + +#include "slap-config.h" + +#undef INTEGRATE_CORE_SCHEMA + +/* + * used by many functions to add description to entries + * + * WARNING: be_monitor may change as new databases are added, + * so it should not be used outside monitor_back_db_init() + * until monitor_back_db_open is called. + */ +BackendDB *be_monitor; + +static struct monitor_subsys_t **monitor_subsys; +static int monitor_subsys_opened; +static monitor_info_t monitor_info; +static const monitor_extra_t monitor_extra = { + monitor_back_is_configured, + monitor_back_get_subsys, + monitor_back_get_subsys_by_dn, + + monitor_back_register_subsys, + monitor_back_register_backend, + monitor_back_register_database, + monitor_back_register_overlay_info, + monitor_back_register_overlay, + monitor_back_register_entry, + monitor_back_register_entry_parent, + monitor_back_register_entry_attrs, + monitor_back_register_entry_callback, + + monitor_back_unregister_entry, + monitor_back_unregister_entry_parent, + monitor_back_unregister_entry_attrs, + monitor_back_unregister_entry_callback, + + monitor_back_entry_stub, + monitor_back_entrypriv_create, + monitor_back_register_subsys_late, + monitor_back_entry_get_unlocked +}; + + +/* + * subsystem data + * + * the known subsystems are added to the subsystems + * array at backend initialization; other subsystems + * may be added by calling monitor_back_register_subsys() + * before the database is opened (e.g. by other backends + * or by overlays or modules). + */ +static struct monitor_subsys_t known_monitor_subsys[] = { + { + SLAPD_MONITOR_BACKEND_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about available backends." ), + BER_BVNULL }, + MONITOR_F_PERSISTENT_CH, + monitor_subsys_backend_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL /* modify */ + }, { + SLAPD_MONITOR_CONN_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about connections." ), + BER_BVNULL }, + MONITOR_F_VOLATILE_CH, + monitor_subsys_conn_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL /* modify */ + }, { + SLAPD_MONITOR_DATABASE_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about configured databases." ), + BER_BVNULL }, + MONITOR_F_PERSISTENT_CH, + monitor_subsys_database_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL /* modify */ + }, { + SLAPD_MONITOR_LISTENER_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about active listeners." ), + BER_BVNULL }, + MONITOR_F_PERSISTENT_CH, + monitor_subsys_listener_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL /* modify */ + }, { + SLAPD_MONITOR_LOG_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about logging." ), + BER_BVC( "Set the attribute \"managedInfo\" to the desired log levels." ), + BER_BVNULL }, + MONITOR_F_NONE, + monitor_subsys_log_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL, /* modify */ + }, { + SLAPD_MONITOR_OPS_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about performed operations." ), + BER_BVNULL }, + MONITOR_F_PERSISTENT_CH, + monitor_subsys_ops_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL, /* modify */ + }, { + SLAPD_MONITOR_OVERLAY_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about available overlays." ), + BER_BVNULL }, + MONITOR_F_PERSISTENT_CH, + monitor_subsys_overlay_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL, /* modify */ + }, { + SLAPD_MONITOR_SASL_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about SASL." ), + BER_BVNULL }, + MONITOR_F_NONE, + NULL, /* init */ + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL /* modify */ + }, { + SLAPD_MONITOR_SENT_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains statistics." ), + BER_BVNULL }, + MONITOR_F_PERSISTENT_CH, + monitor_subsys_sent_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL, /* modify */ + }, { + SLAPD_MONITOR_THREAD_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about threads." ), + BER_BVNULL }, + MONITOR_F_PERSISTENT_CH, + monitor_subsys_thread_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL /* modify */ + }, { + SLAPD_MONITOR_TIME_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about time." ), + BER_BVNULL }, + MONITOR_F_PERSISTENT_CH, + monitor_subsys_time_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL, /* modify */ + }, { + SLAPD_MONITOR_TLS_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about TLS." ), + BER_BVNULL }, + MONITOR_F_NONE, + NULL, /* init */ + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL /* modify */ + }, { + SLAPD_MONITOR_RWW_NAME, + BER_BVNULL, BER_BVNULL, BER_BVNULL, + { BER_BVC( "This subsystem contains information about read/write waiters." ), + BER_BVNULL }, + MONITOR_F_PERSISTENT_CH, + monitor_subsys_rww_init, + NULL, /* destroy */ + NULL, /* update */ + NULL, /* create */ + NULL /* modify */ + }, { NULL } +}; + +int +monitor_subsys_is_opened( void ) +{ + return monitor_subsys_opened; +} + +int +monitor_back_register_subsys( + monitor_subsys_t *ms ) +{ + int i = 0; + + if ( monitor_subsys ) { + for ( ; monitor_subsys[ i ] != NULL; i++ ) + /* just count'em */ ; + } + + monitor_subsys = ch_realloc( monitor_subsys, + ( 2 + i ) * sizeof( monitor_subsys_t * ) ); + + if ( monitor_subsys == NULL ) { + return -1; + } + + monitor_subsys[ i ] = ms; + monitor_subsys[ i + 1 ] = NULL; + + /* if a subsystem is registered __AFTER__ subsystem + * initialization (depending on the sequence the databases + * are listed in slapd.conf), init it */ + if ( monitor_subsys_is_opened() ) { + + /* FIXME: this should only be possible + * if be_monitor is already initialized */ + assert( be_monitor != NULL ); + + if ( ms->mss_open && ( *ms->mss_open )( be_monitor, ms ) ) { + return -1; + } + + ms->mss_flags |= MONITOR_F_OPENED; + } + + return 0; +} + +enum { + LIMBO_ENTRY, + LIMBO_ENTRY_PARENT, + LIMBO_ATTRS, + LIMBO_CB, + LIMBO_BACKEND, + LIMBO_DATABASE, + LIMBO_OVERLAY_INFO, + LIMBO_OVERLAY, + LIMBO_SUBSYS, + + LIMBO_LAST +}; + +typedef struct entry_limbo_t { + int el_type; + BackendInfo *el_bi; + BackendDB *el_be; + slap_overinst *el_on; + Entry *el_e; + Attribute *el_a; + struct berval *el_ndn; + struct berval el_nbase; + int el_scope; + struct berval el_filter; + monitor_callback_t *el_cb; + monitor_subsys_t *el_mss; + unsigned long el_flags; + struct entry_limbo_t *el_next; +} entry_limbo_t; + +int +monitor_back_is_configured( void ) +{ + return be_monitor != NULL; +} + +int +monitor_back_register_subsys_late( + monitor_subsys_t *ms ) +{ + entry_limbo_t **elpp, el = { 0 }; + monitor_info_t *mi; + + if ( be_monitor == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_subsys_late: " + "monitor database not configured.\n" ); + return -1; + } + + /* everything is ready, can register already */ + if ( monitor_subsys_is_opened() ) { + return monitor_back_register_subsys( ms ); + } + + mi = ( monitor_info_t * )be_monitor->be_private; + + + el.el_type = LIMBO_SUBSYS; + + el.el_mss = ms; + + for ( elpp = &mi->mi_entry_limbo; + *elpp; + elpp = &(*elpp)->el_next ) + /* go to last */; + + *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) ); + + el.el_next = NULL; + **elpp = el; + + return 0; +} + +int +monitor_back_register_backend( + BackendInfo *bi ) +{ + return -1; +} + +int +monitor_back_register_overlay_info( + slap_overinst *on ) +{ + return -1; +} + +int +monitor_back_register_backend_limbo( + BackendInfo *bi ) +{ + return -1; +} + +int +monitor_back_register_database_limbo( + BackendDB *be, + struct berval *ndn_out ) +{ + entry_limbo_t **elpp, el = { 0 }; + monitor_info_t *mi; + + if ( be_monitor == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_database_limbo: " + "monitor database not configured.\n" ); + return -1; + } + + mi = ( monitor_info_t * )be_monitor->be_private; + + + el.el_type = LIMBO_DATABASE; + + el.el_be = be->bd_self; + el.el_ndn = ndn_out; + + for ( elpp = &mi->mi_entry_limbo; + *elpp; + elpp = &(*elpp)->el_next ) + /* go to last */; + + *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) ); + + el.el_next = NULL; + **elpp = el; + + return 0; +} + +int +monitor_back_register_overlay_info_limbo( + slap_overinst *on ) +{ + return -1; +} + +int +monitor_back_register_overlay_limbo( + BackendDB *be, + struct slap_overinst *on, + struct berval *ndn_out ) +{ + entry_limbo_t **elpp, el = { 0 }; + monitor_info_t *mi; + + if ( be_monitor == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_overlay_limbo: " + "monitor database not configured.\n" ); + return -1; + } + + mi = ( monitor_info_t * )be_monitor->be_private; + + + el.el_type = LIMBO_OVERLAY; + + el.el_be = be->bd_self; + el.el_on = on; + el.el_ndn = ndn_out; + + for ( elpp = &mi->mi_entry_limbo; + *elpp; + elpp = &(*elpp)->el_next ) + /* go to last */; + + *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) ); + + el.el_next = NULL; + **elpp = el; + + return 0; +} + +int +monitor_back_register_entry( + Entry *e, + monitor_callback_t *cb, + monitor_subsys_t *mss, + unsigned long flags ) +{ + monitor_info_t *mi; + int rc = 0; + + if ( be_monitor == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "monitor database not configured.\n", + e->e_name.bv_val ); + return -1; + } + + mi = ( monitor_info_t * )be_monitor->be_private; + + assert( mi != NULL ); + assert( e != NULL ); + assert( e->e_private == NULL ); + + if ( monitor_subsys_is_opened() ) { + Entry *e_parent = NULL, + *e_new = NULL, + **ep = NULL; + struct berval pdn = BER_BVNULL; + monitor_entry_t *mp = NULL, + *mp_parent = NULL; + + if ( monitor_cache_get( mi, &e->e_nname, &e_parent ) == 0 ) { + /* entry exists */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "entry exists\n", + e->e_name.bv_val ); + monitor_cache_release( mi, e_parent ); + return -1; + } + + dnParent( &e->e_nname, &pdn ); + if ( monitor_cache_get( mi, &pdn, &e_parent ) != 0 ) { + /* parent does not exist */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "parent \"%s\" not found\n", + e->e_name.bv_val, pdn.bv_val ); + return -1; + } + + assert( e_parent->e_private != NULL ); + mp_parent = ( monitor_entry_t * )e_parent->e_private; + + if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) { + /* entry is volatile; cannot append children */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "parent \"%s\" is volatile\n", + e->e_name.bv_val, e_parent->e_name.bv_val ); + rc = -1; + goto done; + } + + mp = monitor_entrypriv_create(); + if ( mp == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "monitor_entrypriv_create() failed\n", + e->e_name.bv_val ); + rc = -1; + goto done; + } + + e_new = entry_dup( e ); + if ( e_new == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "entry_dup() failed\n", + e->e_name.bv_val ); + rc = -1; + goto done; + } + + e_new->e_private = ( void * )mp; + if ( mss != NULL ) { + mp->mp_info = mss; + mp->mp_flags = flags; + + } else { + mp->mp_info = mp_parent->mp_info; + mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB; + } + mp->mp_cb = cb; + + ep = &mp_parent->mp_children; + for ( ; *ep; ) { + mp_parent = ( monitor_entry_t * )(*ep)->e_private; + ep = &mp_parent->mp_next; + } + *ep = e_new; + + if ( monitor_cache_add( mi, e_new ) ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "unable to add entry\n", + e->e_name.bv_val ); + rc = -1; + goto done; + } + +done:; + if ( rc ) { + if ( mp ) { + ch_free( mp ); + } + if ( e_new ) { + e_new->e_private = NULL; + entry_free( e_new ); + } + } + + if ( e_parent ) { + monitor_cache_release( mi, e_parent ); + } + + } else { + entry_limbo_t **elpp, el = { 0 }; + + el.el_type = LIMBO_ENTRY; + + el.el_e = entry_dup( e ); + if ( el.el_e == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "entry_dup() failed\n", + e->e_name.bv_val ); + return -1; + } + + el.el_cb = cb; + el.el_mss = mss; + el.el_flags = flags; + + for ( elpp = &mi->mi_entry_limbo; + *elpp; + elpp = &(*elpp)->el_next ) + /* go to last */; + + *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) ); + if ( *elpp == NULL ) { + el.el_e->e_private = NULL; + entry_free( el.el_e ); + return -1; + } + + el.el_next = NULL; + **elpp = el; + } + + return rc; +} + +int +monitor_back_register_entry_parent( + Entry *e, + monitor_callback_t *cb, + monitor_subsys_t *mss, + unsigned long flags, + struct berval *nbase, + int scope, + struct berval *filter ) +{ + monitor_info_t *mi; + struct berval ndn = BER_BVNULL; + + if ( be_monitor == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_parent(base=\"%s\" scope=%s filter=\"%s\"): " + "monitor database not configured.\n", + BER_BVISNULL( nbase ) ? "" : nbase->bv_val, + ldap_pvt_scope2str( scope ), + BER_BVISNULL( filter ) ? "" : filter->bv_val ); + return -1; + } + + mi = ( monitor_info_t * )be_monitor->be_private; + + assert( mi != NULL ); + assert( e != NULL ); + assert( e->e_private == NULL ); + + if ( BER_BVISNULL( filter ) ) { + /* need a filter */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_parent(\"\"): " + "need a valid filter\n" ); + return -1; + } + + if ( monitor_subsys_is_opened() ) { + Entry *e_parent = NULL, + *e_new = NULL, + **ep = NULL; + struct berval e_name = BER_BVNULL, + e_nname = BER_BVNULL; + monitor_entry_t *mp = NULL, + *mp_parent = NULL; + int rc = 0; + + if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) { + /* entry does not exist */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_parent(\"\"): " + "base=\"%s\" scope=%s filter=\"%s\": " + "unable to find entry\n", + nbase->bv_val ? nbase->bv_val : "\"\"", + ldap_pvt_scope2str( scope ), + filter->bv_val ); + return -1; + } + + if ( monitor_cache_get( mi, &ndn, &e_parent ) != 0 ) { + /* entry does not exist */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_parent(\"%s\"): " + "parent entry does not exist\n", + ndn.bv_val ); + rc = -1; + goto done; + } + + assert( e_parent->e_private != NULL ); + mp_parent = ( monitor_entry_t * )e_parent->e_private; + + if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) { + /* entry is volatile; cannot append callback */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_parent(\"%s\"): " + "entry is volatile\n", + e_parent->e_name.bv_val ); + rc = -1; + goto done; + } + + build_new_dn( &e_name, &e_parent->e_name, &e->e_name, NULL ); + build_new_dn( &e_nname, &e_parent->e_nname, &e->e_nname, NULL ); + + if ( monitor_cache_get( mi, &e_nname, &e_new ) == 0 ) { + /* entry already exists */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_parent(\"%s\"): " + "entry already exists\n", + e_name.bv_val ); + monitor_cache_release( mi, e_new ); + e_new = NULL; + rc = -1; + goto done; + } + + mp = monitor_entrypriv_create(); + if ( mp == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_parent(\"%s\"): " + "monitor_entrypriv_create() failed\n", + e->e_name.bv_val ); + rc = -1; + goto done; + } + + e_new = entry_dup( e ); + if ( e_new == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "entry_dup() failed\n", + e->e_name.bv_val ); + rc = -1; + goto done; + } + ch_free( e_new->e_name.bv_val ); + ch_free( e_new->e_nname.bv_val ); + e_new->e_name = e_name; + e_new->e_nname = e_nname; + + e_new->e_private = ( void * )mp; + if ( mss != NULL ) { + mp->mp_info = mss; + mp->mp_flags = flags; + + } else { + mp->mp_info = mp_parent->mp_info; + mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB; + } + mp->mp_cb = cb; + + ep = &mp_parent->mp_children; + for ( ; *ep; ) { + mp_parent = ( monitor_entry_t * )(*ep)->e_private; + ep = &mp_parent->mp_next; + } + *ep = e_new; + + if ( monitor_cache_add( mi, e_new ) ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "unable to add entry\n", + e->e_name.bv_val ); + rc = -1; + goto done; + } + +done:; + if ( !BER_BVISNULL( &ndn ) ) { + ch_free( ndn.bv_val ); + } + + if ( rc ) { + if ( mp ) { + ch_free( mp ); + } + if ( e_new ) { + e_new->e_private = NULL; + entry_free( e_new ); + } + } + + if ( e_parent ) { + monitor_cache_release( mi, e_parent ); + } + + } else { + entry_limbo_t **elpp = NULL, el = { 0 }; + + el.el_type = LIMBO_ENTRY_PARENT; + + el.el_e = entry_dup( e ); + if ( el.el_e == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry(\"%s\"): " + "entry_dup() failed\n", + e->e_name.bv_val ); + goto done_limbo; + } + + if ( !BER_BVISNULL( nbase ) ) { + ber_dupbv( &el.el_nbase, nbase ); + } + + el.el_scope = scope; + if ( !BER_BVISNULL( filter ) ) { + ber_dupbv( &el.el_filter, filter ); + } + + el.el_cb = cb; + el.el_mss = mss; + el.el_flags = flags; + + for ( elpp = &mi->mi_entry_limbo; + *elpp; + elpp = &(*elpp)->el_next ) + /* go to last */; + + *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) ); + if ( *elpp == NULL ) { + goto done_limbo; + } + +done_limbo:; + if ( *elpp != NULL ) { + el.el_next = NULL; + **elpp = el; + + } else { + if ( !BER_BVISNULL( &el.el_filter ) ) { + ch_free( el.el_filter.bv_val ); + } + if ( !BER_BVISNULL( &el.el_nbase ) ) { + ch_free( el.el_nbase.bv_val ); + } + entry_free( el.el_e ); + return -1; + } + } + + return 0; +} + +static int +monitor_search2ndn_cb( Operation *op, SlapReply *rs ) +{ + if ( rs->sr_type == REP_SEARCH ) { + struct berval *ndn = op->o_callback->sc_private; + + if ( !BER_BVISNULL( ndn ) ) { + rs->sr_err = LDAP_SIZELIMIT_EXCEEDED; + ch_free( ndn->bv_val ); + BER_BVZERO( ndn ); + return rs->sr_err; + } + + ber_dupbv( ndn, &rs->sr_entry->e_nname ); + } + + return 0; +} + +int +monitor_search2ndn( + struct berval *nbase, + int scope, + struct berval *filter, + struct berval *ndn ) +{ + Connection conn = { 0 }; + OperationBuffer opbuf; + Operation *op; + void *thrctx; + SlapReply rs = { REP_RESULT }; + slap_callback cb = { NULL, monitor_search2ndn_cb, NULL, NULL }; + int rc; + + BER_BVZERO( ndn ); + + if ( be_monitor == NULL ) { + return -1; + } + + thrctx = ldap_pvt_thread_pool_context(); + connection_fake_init2( &conn, &opbuf, thrctx, 0 ); + op = &opbuf.ob_op; + + op->o_tag = LDAP_REQ_SEARCH; + + /* use global malloc for now */ + if ( op->o_tmpmemctx ) { + op->o_tmpmemctx = NULL; + } + op->o_tmpmfuncs = &ch_mfuncs; + + op->o_bd = be_monitor; + if ( nbase == NULL || BER_BVISNULL( nbase ) ) { + ber_dupbv_x( &op->o_req_dn, &op->o_bd->be_suffix[ 0 ], + op->o_tmpmemctx ); + ber_dupbv_x( &op->o_req_ndn, &op->o_bd->be_nsuffix[ 0 ], + op->o_tmpmemctx ); + + } else { + if ( dnPrettyNormal( NULL, nbase, &op->o_req_dn, &op->o_req_ndn, + op->o_tmpmemctx ) ) { + return -1; + } + } + + op->o_callback = &cb; + cb.sc_private = (void *)ndn; + + op->ors_scope = scope; + op->ors_filter = str2filter_x( op, filter->bv_val ); + if ( op->ors_filter == NULL ) { + rc = LDAP_OTHER; + goto cleanup; + } + ber_dupbv_x( &op->ors_filterstr, filter, op->o_tmpmemctx ); + op->ors_attrs = slap_anlist_no_attrs; + op->ors_attrsonly = 0; + op->ors_tlimit = SLAP_NO_LIMIT; + op->ors_slimit = 1; + op->ors_limit = NULL; + op->ors_deref = LDAP_DEREF_NEVER; + + op->o_nocaching = 1; + op->o_managedsait = SLAP_CONTROL_NONCRITICAL; + + op->o_dn = be_monitor->be_rootdn; + op->o_ndn = be_monitor->be_rootndn; + + rc = op->o_bd->be_search( op, &rs ); + +cleanup:; + if ( op->ors_filter != NULL ) { + filter_free_x( op, op->ors_filter, 1 ); + } + if ( !BER_BVISNULL( &op->ors_filterstr ) ) { + op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx ); + } + if ( !BER_BVISNULL( &op->o_req_dn ) ) { + op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx ); + } + if ( !BER_BVISNULL( &op->o_req_ndn ) ) { + op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx ); + } + + if ( rc != 0 ) { + return rc; + } + + switch ( rs.sr_err ) { + case LDAP_SUCCESS: + if ( BER_BVISNULL( ndn ) ) { + rc = -1; + } + break; + + case LDAP_SIZELIMIT_EXCEEDED: + default: + if ( !BER_BVISNULL( ndn ) ) { + ber_memfree( ndn->bv_val ); + BER_BVZERO( ndn ); + } + rc = -1; + break; + } + + return rc; +} + +int +monitor_back_register_entry_attrs( + struct berval *ndn_in, + Attribute *a, + monitor_callback_t *cb, + struct berval *nbase, + int scope, + struct berval *filter ) +{ + monitor_info_t *mi; + struct berval ndn = BER_BVNULL; + char *fname = ( a == NULL ? "callback" : "attrs" ); + struct berval empty_bv = BER_BVC(""); + + if ( nbase == NULL ) nbase = &empty_bv; + if ( filter == NULL ) filter = &empty_bv; + + if ( be_monitor == NULL ) { + Debug(LDAP_DEBUG_ANY, + "monitor_back_register_entry_%s(base=\"%s\" scope=%s filter=\"%s\"): " "monitor database not configured.\n\n", + fname, BER_BVISNULL(nbase) ? "" : nbase->bv_val, + ldap_pvt_scope2str(scope), + BER_BVISNULL(filter) ? "" : filter->bv_val ); + + return -1; + } + + mi = ( monitor_info_t * )be_monitor->be_private; + + assert( mi != NULL ); + + if ( ndn_in != NULL ) { + ndn = *ndn_in; + } + + if ( a == NULL && cb == NULL ) { + /* nothing to do */ + return -1; + } + + if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) ) + && BER_BVISNULL( filter ) ) + { + /* need a filter */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_%s(\"\"): " + "need a valid filter\n", + fname ); + return -1; + } + + if ( monitor_subsys_is_opened() ) { + Entry *e = NULL; + Attribute **atp = NULL; + monitor_entry_t *mp = NULL; + monitor_callback_t **mcp = NULL; + int rc = 0; + int freeit = 0; + + if ( BER_BVISNULL( &ndn ) ) { + if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) { + Debug(LDAP_DEBUG_ANY, + "monitor_back_register_entry_%s(\"\"): " "base=\"%s\" scope=%s filter=\"%s\": " "unable to find entry\n\n", + fname, + nbase->bv_val ? nbase->bv_val : "\"\"", + ldap_pvt_scope2str(scope), + filter->bv_val ); + return -1; + } + + freeit = 1; + } + + if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) { + /* entry does not exist */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_%s(\"%s\"): " + "entry does not exist\n", + fname, ndn.bv_val ); + rc = -1; + goto done; + } + + assert( e->e_private != NULL ); + mp = ( monitor_entry_t * )e->e_private; + + if ( mp->mp_flags & MONITOR_F_VOLATILE ) { + /* entry is volatile; cannot append callback */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_%s(\"%s\"): " + "entry is volatile\n", + fname, e->e_name.bv_val ); + rc = -1; + goto done; + } + + if ( a ) { + for ( atp = &e->e_attrs; *atp; atp = &(*atp)->a_next ) + /* just get to last */ ; + + for ( ; a != NULL; a = a->a_next ) { + assert( a->a_desc != NULL ); + assert( a->a_vals != NULL ); + + if ( attr_find( e->e_attrs, a->a_desc ) ) { + attr_merge( e, a->a_desc, a->a_vals, + a->a_nvals == a->a_vals ? NULL : a->a_nvals ); + + } else { + *atp = attr_dup( a ); + if ( *atp == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_register_entry_%s(\"%s\"): " + "attr_dup() failed\n", + fname, e->e_name.bv_val ); + rc = -1; + goto done; + } + atp = &(*atp)->a_next; + } + } + } + + if ( cb ) { + for ( mcp = &mp->mp_cb; *mcp; mcp = &(*mcp)->mc_next ) + /* go to tail */ ; + + /* NOTE: we do not clear cb->mc_next, so this function + * can be used to append a list of callbacks */ + (*mcp) = cb; + } + +done:; + if ( rc ) { + if ( atp && *atp ) { + attrs_free( *atp ); + *atp = NULL; + } + } + + if ( freeit ) { + ber_memfree( ndn.bv_val ); + } + + if ( e ) { + monitor_cache_release( mi, e ); + } + + } else { + entry_limbo_t **elpp, el = { 0 }; + + el.el_type = LIMBO_ATTRS; + el.el_ndn = ndn_in; + if ( !BER_BVISNULL( nbase ) ) { + ber_dupbv( &el.el_nbase, nbase); + } + el.el_scope = scope; + if ( !BER_BVISNULL( filter ) ) { + ber_dupbv( &el.el_filter, filter ); + } + + el.el_a = attrs_dup( a ); + el.el_cb = cb; + + for ( elpp = &mi->mi_entry_limbo; + *elpp; + elpp = &(*elpp)->el_next ) + /* go to last */; + + *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) ); + if ( *elpp == NULL ) { + if ( !BER_BVISNULL( &el.el_filter ) ) { + ch_free( el.el_filter.bv_val ); + } + if ( el.el_a != NULL ) { + attrs_free( el.el_a ); + } + if ( !BER_BVISNULL( &el.el_nbase ) ) { + ch_free( &el.el_nbase.bv_val ); + } + return -1; + } + + el.el_next = NULL; + **elpp = el; + } + + return 0; +} + +int +monitor_back_register_entry_callback( + struct berval *ndn, + monitor_callback_t *cb, + struct berval *nbase, + int scope, + struct berval *filter ) +{ + return monitor_back_register_entry_attrs( ndn, NULL, cb, + nbase, scope, filter ); +} + +/* + * TODO: add corresponding calls to remove installed callbacks, entries + * and so, in case the entity that installed them is removed (e.g. a + * database, via back-config) + */ +int +monitor_back_unregister_entry( + struct berval *ndn ) +{ + monitor_info_t *mi; + + if ( be_monitor == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_unregister_entry(\"%s\"): " + "monitor database not configured.\n", + ndn->bv_val ); + + return -1; + } + + /* entry will be regularly freed, and resources released + * according to callbacks */ + if ( slapd_shutdown ) { + return 0; + } + + mi = ( monitor_info_t * )be_monitor->be_private; + + assert( mi != NULL ); + + if ( monitor_subsys_is_opened() ) { + Entry *e = NULL; + monitor_entry_t *mp = NULL; + monitor_callback_t *cb = NULL; + + if ( monitor_cache_remove( mi, ndn, &e ) != 0 ) { + /* entry does not exist */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_unregister_entry(\"%s\"): " + "entry removal failed.\n", + ndn->bv_val ); + return -1; + } + + mp = (monitor_entry_t *)e->e_private; + assert( mp != NULL ); + + for ( cb = mp->mp_cb; cb != NULL; ) { + monitor_callback_t *next = cb->mc_next; + + if ( cb->mc_free ) { + (void)cb->mc_free( e, &cb->mc_private ); + } + ch_free( cb ); + + cb = next; + } + + ch_free( mp ); + e->e_private = NULL; + entry_free( e ); + + } else { + entry_limbo_t **elpp; + + for ( elpp = &mi->mi_entry_limbo; + *elpp; + elpp = &(*elpp)->el_next ) + { + entry_limbo_t *elp = *elpp; + + if ( elp->el_type == LIMBO_ENTRY + && dn_match( ndn, &elp->el_e->e_nname ) ) + { + monitor_callback_t *cb, *next; + + for ( cb = elp->el_cb; cb; cb = next ) { + /* FIXME: call callbacks? */ + next = cb->mc_next; + if ( cb->mc_dispose ) { + cb->mc_dispose( &cb->mc_private ); + } + ch_free( cb ); + } + assert( elp->el_e != NULL ); + elp->el_e->e_private = NULL; + entry_free( elp->el_e ); + *elpp = elp->el_next; + ch_free( elp ); + elpp = NULL; + break; + } + } + + if ( elpp != NULL ) { + /* not found! where did it go? */ + return 1; + } + } + + return 0; +} + +int +monitor_back_unregister_entry_parent( + struct berval *nrdn, + monitor_callback_t *target_cb, + struct berval *nbase, + int scope, + struct berval *filter ) +{ + monitor_info_t *mi; + struct berval ndn = BER_BVNULL; + + if ( be_monitor == NULL ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_unregister_entry_parent(base=\"%s\" scope=%s filter=\"%s\"): " + "monitor database not configured.\n", + BER_BVISNULL( nbase ) ? "" : nbase->bv_val, + ldap_pvt_scope2str( scope ), + BER_BVISNULL( filter ) ? "" : filter->bv_val ); + + return -1; + } + + /* entry will be regularly freed, and resources released + * according to callbacks */ + if ( slapd_shutdown ) { + return 0; + } + + mi = ( monitor_info_t * )be_monitor->be_private; + + assert( mi != NULL ); + + if ( ( nrdn == NULL || BER_BVISNULL( nrdn ) ) + && BER_BVISNULL( filter ) ) + { + /* need a filter */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_unregister_entry_parent(\"\"): " + "need a valid filter\n" ); + return -1; + } + + if ( monitor_subsys_is_opened() ) { + Entry *e = NULL; + monitor_entry_t *mp = NULL; + + if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) { + /* entry does not exist */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_unregister_entry_parent(\"\"): " + "base=\"%s\" scope=%s filter=\"%s\": " + "unable to find entry\n", + nbase->bv_val ? nbase->bv_val : "\"\"", + ldap_pvt_scope2str( scope ), + filter->bv_val ); + return -1; + } + + if ( monitor_cache_remove( mi, &ndn, &e ) != 0 ) { + /* entry does not exist */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_unregister_entry(\"%s\"): " + "entry removal failed.\n", + ndn.bv_val ); + ber_memfree( ndn.bv_val ); + return -1; + } + ber_memfree( ndn.bv_val ); + + mp = (monitor_entry_t *)e->e_private; + assert( mp != NULL ); + + if ( target_cb != NULL ) { + monitor_callback_t **cbp; + + for ( cbp = &mp->mp_cb; *cbp != NULL; cbp = &(*cbp)->mc_next ) { + if ( *cbp == target_cb ) { + if ( (*cbp)->mc_free ) { + (void)(*cbp)->mc_free( e, &(*cbp)->mc_private ); + } + *cbp = (*cbp)->mc_next; + ch_free( target_cb ); + break; + } + } + } + + + ch_free( mp ); + e->e_private = NULL; + entry_free( e ); + + } else { + entry_limbo_t **elpp; + + for ( elpp = &mi->mi_entry_limbo; + *elpp; + elpp = &(*elpp)->el_next ) + { + entry_limbo_t *elp = *elpp; + + if ( elp->el_type == LIMBO_ENTRY_PARENT + && dn_match( nrdn, &elp->el_e->e_nname ) + && dn_match( nbase, &elp->el_nbase ) + && scope == elp->el_scope + && bvmatch( filter, &elp->el_filter ) ) + { + monitor_callback_t *cb, *next; + + for ( cb = elp->el_cb; cb; cb = next ) { + /* FIXME: call callbacks? */ + next = cb->mc_next; + if ( cb->mc_dispose ) { + cb->mc_dispose( &cb->mc_private ); + } + ch_free( cb ); + } + assert( elp->el_e != NULL ); + elp->el_e->e_private = NULL; + entry_free( elp->el_e ); + if ( !BER_BVISNULL( &elp->el_nbase ) ) { + ch_free( elp->el_nbase.bv_val ); + } + if ( !BER_BVISNULL( &elp->el_filter ) ) { + ch_free( elp->el_filter.bv_val ); + } + *elpp = elp->el_next; + ch_free( elp ); + elpp = NULL; + break; + } + } + + if ( elpp != NULL ) { + /* not found! where did it go? */ + return 1; + } + } + + return 0; +} + +int +monitor_back_unregister_entry_attrs( + struct berval *ndn_in, + Attribute *target_a, + monitor_callback_t *target_cb, + struct berval *nbase, + int scope, + struct berval *filter ) +{ + monitor_info_t *mi; + struct berval ndn = BER_BVNULL; + char *fname = ( target_a == NULL ? "callback" : "attrs" ); + + if ( be_monitor == NULL ) { + Debug(LDAP_DEBUG_ANY, + "monitor_back_unregister_entry_%s(base=\"%s\" scope=%s filter=\"%s\"): " "monitor database not configured.\n\n", + fname, BER_BVISNULL(nbase) ? "" : nbase->bv_val, + ldap_pvt_scope2str(scope), + BER_BVISNULL(filter) ? "" : filter->bv_val ); + + return -1; + } + + /* entry will be regularly freed, and resources released + * according to callbacks */ + if ( slapd_shutdown ) { + return 0; + } + + mi = ( monitor_info_t * )be_monitor->be_private; + + assert( mi != NULL ); + + if ( ndn_in != NULL ) { + ndn = *ndn_in; + } + + if ( target_a == NULL && target_cb == NULL ) { + /* nothing to do */ + return -1; + } + + if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) ) + && BER_BVISNULL( filter ) ) + { + /* need a filter */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_unregister_entry_%s(\"\"): " + "need a valid filter\n", + fname ); + return -1; + } + + if ( monitor_subsys_is_opened() ) { + Entry *e = NULL; + monitor_entry_t *mp = NULL; + int freeit = 0; + + if ( BER_BVISNULL( &ndn ) ) { + if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) { + Debug(LDAP_DEBUG_ANY, + "monitor_back_unregister_entry_%s(\"\"): " "base=\"%s\" scope=%d filter=\"%s\": " "unable to find entry\n\n", + fname, + nbase->bv_val ? nbase->bv_val : "\"\"", + scope, filter->bv_val ); + return -1; + } + + freeit = 1; + } + + if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) { + /* entry does not exist */ + Debug( LDAP_DEBUG_ANY, + "monitor_back_unregister_entry(\"%s\"): " + "entry removal failed.\n", + ndn.bv_val ); + return -1; + } + + mp = (monitor_entry_t *)e->e_private; + assert( mp != NULL ); + + if ( target_cb != NULL ) { + monitor_callback_t **cbp; + + for ( cbp = &mp->mp_cb; *cbp != NULL; cbp = &(*cbp)->mc_next ) { + if ( *cbp == target_cb ) { + if ( (*cbp)->mc_free ) { + (void)(*cbp)->mc_free( e, &(*cbp)->mc_private ); + } + *cbp = (*cbp)->mc_next; + ch_free( target_cb ); + break; + } + } + } + + if ( target_a != NULL ) { + Attribute *a; + + for ( a = target_a; a != NULL; a = a->a_next ) { + Modification mod = { 0 }; + const char *text; + char textbuf[ SLAP_TEXT_BUFLEN ]; + + mod.sm_op = LDAP_MOD_DELETE; + mod.sm_desc = a->a_desc; + mod.sm_values = a->a_vals; + mod.sm_nvalues = a->a_nvals; + + (void)modify_delete_values( e, &mod, 1, + &text, textbuf, sizeof( textbuf ) ); + } + } + + if ( freeit ) { + ber_memfree( ndn.bv_val ); + } + + monitor_cache_release( mi, e ); + + } else { + entry_limbo_t **elpp; + + for ( elpp = &mi->mi_entry_limbo; + *elpp; + elpp = &(*elpp)->el_next ) + { + entry_limbo_t *elp = *elpp; + + if ( elp->el_type == LIMBO_ATTRS + && dn_match( nbase, &elp->el_nbase ) + && scope == elp->el_scope + && bvmatch( filter, &elp->el_filter ) ) + { + monitor_callback_t *cb, *next; + + for ( cb = elp->el_cb; cb; cb = next ) { + /* FIXME: call callbacks? */ + next = cb->mc_next; + if ( cb->mc_dispose ) { + cb->mc_dispose( &cb->mc_private ); + } + ch_free( cb ); + } + assert( elp->el_e == NULL ); + if ( elp->el_a != NULL ) { + attrs_free( elp->el_a ); + } + if ( !BER_BVISNULL( &elp->el_nbase ) ) { + ch_free( elp->el_nbase.bv_val ); + } + if ( !BER_BVISNULL( &elp->el_filter ) ) { + ch_free( elp->el_filter.bv_val ); + } + *elpp = elp->el_next; + ch_free( elp ); + elpp = NULL; + break; + } + } + + if ( elpp != NULL ) { + /* not found! where did it go? */ + return 1; + } + } + + return 0; +} + +int +monitor_back_unregister_entry_callback( + struct berval *ndn, + monitor_callback_t *cb, + struct berval *nbase, + int scope, + struct berval *filter ) +{ + /* TODO: lookup entry (by ndn, if not NULL, and/or by callback); + * unregister the callback; if a is not null, unregister the + * given attrs. In any case, call cb->cb_free */ + return monitor_back_unregister_entry_attrs( ndn, + NULL, cb, nbase, scope, filter ); +} + +monitor_subsys_t * +monitor_back_get_subsys( const char *name ) +{ + if ( monitor_subsys != NULL ) { + int i; + + for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) { + if ( strcasecmp( monitor_subsys[ i ]->mss_name, name ) == 0 ) { + return monitor_subsys[ i ]; + } + } + } + + return NULL; +} + +monitor_subsys_t * +monitor_back_get_subsys_by_dn( + struct berval *ndn, + int sub ) +{ + if ( monitor_subsys != NULL ) { + int i; + + if ( sub ) { + for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) { + if ( dnIsSuffix( ndn, &monitor_subsys[ i ]->mss_ndn ) ) { + return monitor_subsys[ i ]; + } + } + + } else { + for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) { + if ( dn_match( ndn, &monitor_subsys[ i ]->mss_ndn ) ) { + return monitor_subsys[ i ]; + } + } + } + } + + return NULL; +} + +int +monitor_back_initialize( + BackendInfo *bi ) +{ + static char *controls[] = { + LDAP_CONTROL_MANAGEDSAIT, + NULL + }; + + static ConfigTable monitorcfg[] = { + { NULL, NULL, 0, 0, 0, ARG_IGNORED, + NULL, NULL, NULL, NULL } + }; + + static ConfigOCs monitorocs[] = { + { "( OLcfgDbOc:4.1 " + "NAME 'olcMonitorConfig' " + "DESC 'Monitor backend configuration' " + "SUP olcDatabaseConfig " + ")", + Cft_Database, monitorcfg }, + { NULL, 0, NULL } + }; + + struct m_s { + char *schema; + slap_mask_t flags; + int offset; + } moc[] = { + { "( 1.3.6.1.4.1.4203.666.3.16.1 " + "NAME 'monitor' " + "DESC 'OpenLDAP system monitoring' " + "SUP top STRUCTURAL " + "MUST cn " + "MAY ( " + "description " + "$ seeAlso " + "$ labeledURI " + "$ monitoredInfo " + "$ managedInfo " + "$ monitorOverlay " + ") )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE, + offsetof(monitor_info_t, mi_oc_monitor) }, + { "( 1.3.6.1.4.1.4203.666.3.16.2 " + "NAME 'monitorServer' " + "DESC 'Server monitoring root entry' " + "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE, + offsetof(monitor_info_t, mi_oc_monitorServer) }, + { "( 1.3.6.1.4.1.4203.666.3.16.3 " + "NAME 'monitorContainer' " + "DESC 'monitor container class' " + "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE, + offsetof(monitor_info_t, mi_oc_monitorContainer) }, + { "( 1.3.6.1.4.1.4203.666.3.16.4 " + "NAME 'monitorCounterObject' " + "DESC 'monitor counter class' " + "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE, + offsetof(monitor_info_t, mi_oc_monitorCounterObject) }, + { "( 1.3.6.1.4.1.4203.666.3.16.5 " + "NAME 'monitorOperation' " + "DESC 'monitor operation class' " + "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE, + offsetof(monitor_info_t, mi_oc_monitorOperation) }, + { "( 1.3.6.1.4.1.4203.666.3.16.6 " + "NAME 'monitorConnection' " + "DESC 'monitor connection class' " + "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE, + offsetof(monitor_info_t, mi_oc_monitorConnection) }, + { "( 1.3.6.1.4.1.4203.666.3.16.7 " + "NAME 'managedObject' " + "DESC 'monitor managed entity class' " + "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE, + offsetof(monitor_info_t, mi_oc_managedObject) }, + { "( 1.3.6.1.4.1.4203.666.3.16.8 " + "NAME 'monitoredObject' " + "DESC 'monitor monitored entity class' " + "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE, + offsetof(monitor_info_t, mi_oc_monitoredObject) }, + { NULL, 0, -1 } + }, mat[] = { + { "( 1.3.6.1.4.1.4203.666.1.55.1 " + "NAME 'monitoredInfo' " + "DESC 'monitored info' " + /* "SUP name " */ + "EQUALITY caseIgnoreMatch " + "SUBSTR caseIgnoreSubstringsMatch " + "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768} " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitoredInfo) }, + { "( 1.3.6.1.4.1.4203.666.1.55.2 " + "NAME 'managedInfo' " + "DESC 'monitor managed info' " + "SUP name )", SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_managedInfo) }, + { "( 1.3.6.1.4.1.4203.666.1.55.3 " + "NAME 'monitorCounter' " + "DESC 'monitor counter' " + "EQUALITY integerMatch " + "ORDERING integerOrderingMatch " + "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorCounter) }, + { "( 1.3.6.1.4.1.4203.666.1.55.4 " + "NAME 'monitorOpCompleted' " + "DESC 'monitor completed operations' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorOpCompleted) }, + { "( 1.3.6.1.4.1.4203.666.1.55.5 " + "NAME 'monitorOpInitiated' " + "DESC 'monitor initiated operations' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorOpInitiated) }, + { "( 1.3.6.1.4.1.4203.666.1.55.6 " + "NAME 'monitorConnectionNumber' " + "DESC 'monitor connection number' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionNumber) }, + { "( 1.3.6.1.4.1.4203.666.1.55.7 " + "NAME 'monitorConnectionAuthzDN' " + "DESC 'monitor connection authorization DN' " + /* "SUP distinguishedName " */ + "EQUALITY distinguishedNameMatch " + "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionAuthzDN) }, + { "( 1.3.6.1.4.1.4203.666.1.55.8 " + "NAME 'monitorConnectionLocalAddress' " + "DESC 'monitor connection local address' " + "SUP monitoredInfo " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionLocalAddress) }, + { "( 1.3.6.1.4.1.4203.666.1.55.9 " + "NAME 'monitorConnectionPeerAddress' " + "DESC 'monitor connection peer address' " + "SUP monitoredInfo " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionPeerAddress) }, + { "( 1.3.6.1.4.1.4203.666.1.55.10 " + "NAME 'monitorTimestamp' " + "DESC 'monitor timestamp' " + "EQUALITY generalizedTimeMatch " + "ORDERING generalizedTimeOrderingMatch " + "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 " + "SINGLE-VALUE " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorTimestamp) }, + { "( 1.3.6.1.4.1.4203.666.1.55.11 " + "NAME 'monitorOverlay' " + "DESC 'name of overlays defined for a given database' " + "SUP monitoredInfo " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorOverlay) }, + { "( 1.3.6.1.4.1.4203.666.1.55.12 " + "NAME 'readOnly' " + "DESC 'read/write status of a given database' " + "EQUALITY booleanMatch " + "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 " + "SINGLE-VALUE " + "USAGE dSAOperation )", SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_readOnly) }, + { "( 1.3.6.1.4.1.4203.666.1.55.13 " + "NAME 'restrictedOperation' " + "DESC 'name of restricted operation for a given database' " + "SUP managedInfo )", SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_restrictedOperation ) }, + { "( 1.3.6.1.4.1.4203.666.1.55.14 " + "NAME 'monitorConnectionProtocol' " + "DESC 'monitor connection protocol' " + "SUP monitoredInfo " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionProtocol) }, + { "( 1.3.6.1.4.1.4203.666.1.55.15 " + "NAME 'monitorConnectionOpsReceived' " + "DESC 'monitor number of operations received by the connection' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionOpsReceived) }, + { "( 1.3.6.1.4.1.4203.666.1.55.16 " + "NAME 'monitorConnectionOpsExecuting' " + "DESC 'monitor number of operations in execution within the connection' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionOpsExecuting) }, + { "( 1.3.6.1.4.1.4203.666.1.55.17 " + "NAME 'monitorConnectionOpsPending' " + "DESC 'monitor number of pending operations within the connection' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionOpsPending) }, + { "( 1.3.6.1.4.1.4203.666.1.55.18 " + "NAME 'monitorConnectionOpsCompleted' " + "DESC 'monitor number of operations completed within the connection' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionOpsCompleted) }, + { "( 1.3.6.1.4.1.4203.666.1.55.19 " + "NAME 'monitorConnectionGet' " + "DESC 'number of times connection_get() was called so far' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionGet) }, + { "( 1.3.6.1.4.1.4203.666.1.55.20 " + "NAME 'monitorConnectionRead' " + "DESC 'number of times connection_read() was called so far' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionRead) }, + { "( 1.3.6.1.4.1.4203.666.1.55.21 " + "NAME 'monitorConnectionWrite' " + "DESC 'number of times connection_write() was called so far' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionWrite) }, + { "( 1.3.6.1.4.1.4203.666.1.55.22 " + "NAME 'monitorConnectionMask' " + "DESC 'monitor connection mask' " + "SUP monitoredInfo " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionMask) }, + { "( 1.3.6.1.4.1.4203.666.1.55.23 " + "NAME 'monitorConnectionListener' " + "DESC 'monitor connection listener' " + "SUP monitoredInfo " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionListener) }, + { "( 1.3.6.1.4.1.4203.666.1.55.24 " + "NAME 'monitorConnectionPeerDomain' " + "DESC 'monitor connection peer domain' " + "SUP monitoredInfo " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionPeerDomain) }, + { "( 1.3.6.1.4.1.4203.666.1.55.25 " + "NAME 'monitorConnectionStartTime' " + "DESC 'monitor connection start time' " + "SUP monitorTimestamp " + "SINGLE-VALUE " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionStartTime) }, + { "( 1.3.6.1.4.1.4203.666.1.55.26 " + "NAME 'monitorConnectionActivityTime' " + "DESC 'monitor connection activity time' " + "SUP monitorTimestamp " + "SINGLE-VALUE " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionActivityTime) }, + { "( 1.3.6.1.4.1.4203.666.1.55.27 " + "NAME 'monitorIsShadow' " + "DESC 'TRUE if the database is shadow' " + "EQUALITY booleanMatch " + "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 " + "SINGLE-VALUE " + "USAGE dSAOperation )", SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorIsShadow) }, + { "( 1.3.6.1.4.1.4203.666.1.55.28 " + "NAME 'monitorUpdateRef' " + "DESC 'update referral for shadow databases' " + "SUP monitoredInfo " + "SINGLE-VALUE " + "USAGE dSAOperation )", SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorUpdateRef) }, + { "( 1.3.6.1.4.1.4203.666.1.55.29 " + "NAME 'monitorRuntimeConfig' " + "DESC 'TRUE if component allows runtime configuration' " + "EQUALITY booleanMatch " + "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 " + "SINGLE-VALUE " + "USAGE dSAOperation )", SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorRuntimeConfig) }, + { "( 1.3.6.1.4.1.4203.666.1.55.30 " + "NAME 'monitorSuperiorDN' " + "DESC 'monitor superior DN' " + /* "SUP distinguishedName " */ + "EQUALITY distinguishedNameMatch " + "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorSuperiorDN) }, + { "( 1.3.6.1.4.1.4203.666.1.55.31 " + "NAME 'monitorConnectionOpsAsync' " + "DESC 'monitor number of asynchronous operations in execution within the connection' " + "SUP monitorCounter " + "NO-USER-MODIFICATION " + "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE, + offsetof(monitor_info_t, mi_ad_monitorConnectionOpsAsync) }, + { NULL, 0, -1 } + }; + + static struct { + char *name; + char *oid; + } s_oid[] = { + { "olmAttributes", "1.3.6.1.4.1.4203.666.1.55" }, + { "olmSubSystemAttributes", "olmAttributes:0" }, + { "olmGenericAttributes", "olmSubSystemAttributes:0" }, + { "olmDatabaseAttributes", "olmSubSystemAttributes:1" }, + { "olmOverlayAttributes", "olmSubSystemAttributes:2" }, + { "olmModuleAttributes", "olmSubSystemAttributes:3" }, + + /* for example, back-mdb specific attrs + * are in "olmDatabaseAttributes:12" + * + * NOTE: developers, please record here OID assignments + * for other modules */ + + { "olmObjectClasses", "1.3.6.1.4.1.4203.666.3.16" }, + { "olmSubSystemObjectClasses", "olmObjectClasses:0" }, + { "olmGenericObjectClasses", "olmSubSystemObjectClasses:0" }, + { "olmDatabaseObjectClasses", "olmSubSystemObjectClasses:1" }, + { "olmOverlayObjectClasses", "olmSubSystemObjectClasses:2" }, + { "olmModuleObjectClasses", "olmSubSystemObjectClasses:3" }, + + /* for example, back-mdb specific objectClasses + * are in "olmDatabaseObjectClasses:12" + * + * NOTE: developers, please record here OID assignments + * for other modules */ + + { NULL } + }; + + int i, rc; + monitor_info_t *mi = &monitor_info; + ConfigArgs c; + char *argv[ 3 ]; + + argv[ 0 ] = "monitor"; + c.argv = argv; + c.argc = 3; + c.fname = argv[0]; + + for ( i = 0; s_oid[ i ].name; i++ ) { + argv[ 1 ] = s_oid[ i ].name; + argv[ 2 ] = s_oid[ i ].oid; + + if ( parse_oidm( &c, 0, NULL ) != 0 ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_initialize: unable to add " + "objectIdentifier \"%s=%s\"\n", + s_oid[ i ].name, s_oid[ i ].oid ); + return 1; + } + } + + /* schema integration */ + for ( i = 0; mat[ i ].schema; i++ ) { + int code; + AttributeDescription **ad = + ((AttributeDescription **)&(((char *)mi)[ mat[ i ].offset ])); + + *ad = NULL; + code = register_at( mat[ i ].schema, ad, 0 ); + + if ( code ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_db_init: register_at failed\n" ); + return -1; + } + (*ad)->ad_type->sat_flags |= mat[ i ].flags; + } + + for ( i = 0; moc[ i ].schema; i++ ) { + int code; + ObjectClass **Oc = + ((ObjectClass **)&(((char *)mi)[ moc[ i ].offset ])); + + code = register_oc( moc[ i ].schema, Oc, 0 ); + if ( code ) { + Debug( LDAP_DEBUG_ANY, + "monitor_back_db_init: register_oc failed\n" ); + return -1; + } + (*Oc)->soc_flags |= moc[ i ].flags; + } + + bi->bi_controls = controls; + + bi->bi_init = 0; + bi->bi_open = 0; + bi->bi_config = monitor_back_config; + bi->bi_close = 0; + bi->bi_destroy = 0; + + bi->bi_db_init = monitor_back_db_init; +#if 0 + bi->bi_db_config = monitor_back_db_config; +#endif + bi->bi_db_open = monitor_back_db_open; + bi->bi_db_close = 0; + bi->bi_db_destroy = monitor_back_db_destroy; + + bi->bi_op_bind = monitor_back_bind; + bi->bi_op_unbind = 0; + bi->bi_op_search = monitor_back_search; + bi->bi_op_compare = monitor_back_compare; + bi->bi_op_modify = monitor_back_modify; + bi->bi_op_modrdn = 0; + bi->bi_op_add = 0; + bi->bi_op_delete = 0; + bi->bi_op_abandon = 0; + + bi->bi_extended = 0; + + bi->bi_entry_release_rw = monitor_back_release; + bi->bi_chk_referrals = 0; + bi->bi_operational = monitor_back_operational; + + /* + * hooks for slap tools + */ + bi->bi_tool_entry_open = 0; + bi->bi_tool_entry_close = 0; + bi->bi_tool_entry_first = 0; + bi->bi_tool_entry_first_x = 0; + bi->bi_tool_entry_next = 0; + bi->bi_tool_entry_get = 0; + bi->bi_tool_entry_put = 0; + bi->bi_tool_entry_reindex = 0; + bi->bi_tool_sync = 0; + bi->bi_tool_dn2id_get = 0; + bi->bi_tool_entry_modify = 0; + + bi->bi_connection_init = 0; + bi->bi_connection_destroy = 0; + + bi->bi_extra = (void *)&monitor_extra; + + /* + * configuration objectClasses (fake) + */ + bi->bi_cf_ocs = monitorocs; + + rc = config_register_schema( monitorcfg, monitorocs ); + if ( rc ) { + return rc; + } + + return 0; +} + +int +monitor_back_db_init( + BackendDB *be, + ConfigReply *c) +{ + int rc; + struct berval dn = BER_BVC( SLAPD_MONITOR_DN ), + pdn, + ndn; + BackendDB *be2; + + monitor_subsys_t *ms; + + /* + * database monitor can be defined once only + */ + if ( be_monitor != NULL ) { + if (c) { + snprintf(c->msg, sizeof(c->msg),"only one monitor database allowed"); + } + return( -1 ); + } + be_monitor = be; + + /* + * register subsys + */ + for ( ms = known_monitor_subsys; ms->mss_name != NULL; ms++ ) { + if ( monitor_back_register_subsys( ms ) ) { + return -1; + } + } + + /* indicate system schema supported */ + SLAP_BFLAGS(be) |= SLAP_BFLAG_MONITOR; + + rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn, NULL ); + if( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "unable to normalize/pretty monitor DN \"%s\" (%d)\n", + dn.bv_val, rc ); + return -1; + } + + ber_bvarray_add( &be->be_suffix, &pdn ); + ber_bvarray_add( &be->be_nsuffix, &ndn ); + + /* NOTE: only one monitor database is allowed, + * so we use static storage */ + ldap_pvt_thread_mutex_init( &monitor_info.mi_cache_mutex ); + + be->be_private = &monitor_info; + + be2 = select_backend( &ndn, 0 ); + if ( be2 != be ) { + char *type = be2->bd_info->bi_type; + + if ( overlay_is_over( be2 ) ) { + slap_overinfo *oi = (slap_overinfo *)be2->bd_info->bi_private; + type = oi->oi_orig->bi_type; + } + + if (c) { + snprintf(c->msg, sizeof(c->msg), + "\"monitor\" database serving namingContext \"%s\" " + "is hidden by \"%s\" database serving namingContext \"%s\".\n", + pdn.bv_val, type, be2->be_nsuffix[ 0 ].bv_val ); + } + return -1; + } + + return 0; +} + +static void +monitor_back_destroy_limbo_entry( + entry_limbo_t *el, + int dispose ) +{ + if ( el->el_e ) { + entry_free( el->el_e ); + } + if ( el->el_a ) { + attrs_free( el->el_a ); + } + if ( !BER_BVISNULL( &el->el_nbase ) ) { + ber_memfree( el->el_nbase.bv_val ); + } + if ( !BER_BVISNULL( &el->el_filter ) ) { + ber_memfree( el->el_filter.bv_val ); + } + + /* NOTE: callbacks are not copied; so only free them + * if disposing of */ + if ( el->el_cb && dispose != 0 ) { + monitor_callback_t *next; + + for ( ; el->el_cb; el->el_cb = next ) { + next = el->el_cb->mc_next; + if ( el->el_cb->mc_dispose ) { + el->el_cb->mc_dispose( &el->el_cb->mc_private ); + } + ch_free( el->el_cb ); + } + } + + ch_free( el ); +} + +int +monitor_back_db_open( + BackendDB *be, + ConfigReply *cr) +{ + monitor_info_t *mi = (monitor_info_t *)be->be_private; + struct monitor_subsys_t **ms; + Entry *e, **ep, *root; + monitor_entry_t *mp; + int i; + struct berval bv, rdn = BER_BVC(SLAPD_MONITOR_DN); + struct tm tms; + static char tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ]; + struct berval desc[] = { + BER_BVC("This subtree contains monitoring/managing objects."), + BER_BVC("This object contains information about this server."), + BER_BVC("Most of the information is held in operational" + " attributes, which must be explicitly requested."), + BER_BVNULL }; + + int retcode = 0; + + assert( be_monitor != NULL ); + if ( be != be_monitor ) { + be_monitor = be; + } + + /* + * Start + */ + ldap_pvt_gmtime( &starttime, &tms ); + lutil_gentime( tmbuf, sizeof(tmbuf), &tms ); + + mi->mi_startTime.bv_val = tmbuf; + mi->mi_startTime.bv_len = strlen( tmbuf ); + + if ( BER_BVISEMPTY( &be->be_rootdn ) ) { + BER_BVSTR( &mi->mi_creatorsName, SLAPD_ANONYMOUS ); + BER_BVSTR( &mi->mi_ncreatorsName, SLAPD_ANONYMOUS ); + } else { + mi->mi_creatorsName = be->be_rootdn; + mi->mi_ncreatorsName = be->be_rootndn; + } + + /* + * creates the "cn=Monitor" entry + */ + e = monitor_entry_stub( NULL, NULL, &rdn, mi->mi_oc_monitorServer, + NULL, NULL ); + + if ( e == NULL) { + Debug( LDAP_DEBUG_ANY, + "unable to create \"%s\" entry\n", + SLAPD_MONITOR_DN ); + return( -1 ); + } + + attr_merge_normalize( e, slap_schema.si_ad_description, desc, NULL ); + + bv.bv_val = strchr( (char *) Versionstr, '$' ); + if ( bv.bv_val != NULL ) { + char *end; + + bv.bv_val++; + for ( ; bv.bv_val[ 0 ] == ' '; bv.bv_val++ ) + ; + + end = strchr( bv.bv_val, '$' ); + if ( end != NULL ) { + end--; + + for ( ; end > bv.bv_val && end[ 0 ] == ' '; end-- ) + ; + + end++; + + bv.bv_len = end - bv.bv_val; + + } else { + bv.bv_len = strlen( bv.bv_val ); + } + + if ( attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, + &bv, NULL ) ) { + Debug( LDAP_DEBUG_ANY, + "unable to add monitoredInfo to \"%s\" entry\n", + SLAPD_MONITOR_DN ); + return( -1 ); + } + } + + mp = monitor_entrypriv_create(); + if ( mp == NULL ) { + return -1; + } + e->e_private = ( void * )mp; + ep = &mp->mp_children; + + if ( monitor_cache_add( mi, e ) ) { + Debug( LDAP_DEBUG_ANY, + "unable to add entry \"%s\" to cache\n", + SLAPD_MONITOR_DN ); + return -1; + } + root = e; + + /* + * Create all the subsystem specific entries + */ + for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) { + int len = strlen( monitor_subsys[ i ]->mss_name ); + struct berval dn; + int rc; + + dn.bv_len = len + sizeof( "cn=" ) - 1; + dn.bv_val = ch_calloc( sizeof( char ), dn.bv_len + 1 ); + strcpy( dn.bv_val, "cn=" ); + strcat( dn.bv_val, monitor_subsys[ i ]->mss_name ); + rc = dnPretty( NULL, &dn, &monitor_subsys[ i ]->mss_rdn, NULL ); + free( dn.bv_val ); + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "monitor RDN \"%s\" is invalid\n", + dn.bv_val ); + return( -1 ); + } + + e = monitor_entry_stub( &root->e_name, &root->e_nname, + &monitor_subsys[ i ]->mss_rdn, mi->mi_oc_monitorContainer, + NULL, NULL ); + + if ( e == NULL) { + Debug( LDAP_DEBUG_ANY, + "unable to create \"%s\" entry\n", + monitor_subsys[ i ]->mss_dn.bv_val ); + return( -1 ); + } + monitor_subsys[i]->mss_dn = e->e_name; + monitor_subsys[i]->mss_ndn = e->e_nname; + + if ( !BER_BVISNULL( &monitor_subsys[ i ]->mss_desc[ 0 ] ) ) { + attr_merge_normalize( e, slap_schema.si_ad_description, + monitor_subsys[ i ]->mss_desc, NULL ); + } + + mp = monitor_entrypriv_create(); + if ( mp == NULL ) { + return -1; + } + e->e_private = ( void * )mp; + mp->mp_info = monitor_subsys[ i ]; + mp->mp_flags = monitor_subsys[ i ]->mss_flags; + + if ( monitor_cache_add( mi, e ) ) { + Debug( LDAP_DEBUG_ANY, + "unable to add entry \"%s\" to cache\n", + monitor_subsys[ i ]->mss_dn.bv_val ); + return -1; + } + + *ep = e; + ep = &mp->mp_next; + } + + assert( be != NULL ); + + be->be_private = mi; + + /* + * opens the monitor backend subsystems + */ + for ( ms = monitor_subsys; ms[ 0 ] != NULL; ms++ ) { + if ( ms[ 0 ]->mss_open && ms[ 0 ]->mss_open( be, ms[ 0 ] ) ) { + return( -1 ); + } + ms[ 0 ]->mss_flags |= MONITOR_F_OPENED; + } + + monitor_subsys_opened = 1; + + if ( mi->mi_entry_limbo ) { + entry_limbo_t *el = mi->mi_entry_limbo; + + for ( ; el; ) { + entry_limbo_t *tmp; + int rc; + + switch ( el->el_type ) { + case LIMBO_ENTRY: + rc = monitor_back_register_entry( + el->el_e, + el->el_cb, + el->el_mss, + el->el_flags ); + break; + + case LIMBO_ENTRY_PARENT: + rc = monitor_back_register_entry_parent( + el->el_e, + el->el_cb, + el->el_mss, + el->el_flags, + &el->el_nbase, + el->el_scope, + &el->el_filter ); + break; + + + case LIMBO_ATTRS: + rc = monitor_back_register_entry_attrs( + el->el_ndn, + el->el_a, + el->el_cb, + &el->el_nbase, + el->el_scope, + &el->el_filter ); + break; + + case LIMBO_CB: + rc = monitor_back_register_entry_callback( + el->el_ndn, + el->el_cb, + &el->el_nbase, + el->el_scope, + &el->el_filter ); + break; + + case LIMBO_BACKEND: + rc = monitor_back_register_backend( el->el_bi ); + break; + + case LIMBO_DATABASE: + rc = monitor_back_register_database( el->el_be, el->el_ndn ); + break; + + case LIMBO_OVERLAY_INFO: + rc = monitor_back_register_overlay_info( el->el_on ); + break; + + case LIMBO_OVERLAY: + rc = monitor_back_register_overlay( el->el_be, el->el_on, el->el_ndn ); + break; + + case LIMBO_SUBSYS: + rc = monitor_back_register_subsys( el->el_mss ); + break; + + default: + assert( 0 ); + } + + tmp = el; + el = el->el_next; + monitor_back_destroy_limbo_entry( tmp, rc ); + + if ( rc != 0 ) { + /* try all, but report error at end */ + retcode = 1; + } + } + + mi->mi_entry_limbo = NULL; + } + + return retcode; +} + +int +monitor_back_config( + BackendInfo *bi, + const char *fname, + int lineno, + int argc, + char **argv ) +{ + /* + * eventually, will hold backend specific configuration parameters + */ + return SLAP_CONF_UNKNOWN; +} + +#if 0 +int +monitor_back_db_config( + Backend *be, + const char *fname, + int lineno, + int argc, + char **argv ) +{ + monitor_info_t *mi = ( monitor_info_t * )be->be_private; + + /* + * eventually, will hold database specific configuration parameters + */ + return SLAP_CONF_UNKNOWN; +} +#endif + +int +monitor_back_db_destroy( + BackendDB *be, + ConfigReply *cr) +{ + monitor_info_t *mi = ( monitor_info_t * )be->be_private; + + if ( mi == NULL ) { + return -1; + } + + /* + * FIXME: destroys all the data + */ + /* NOTE: mi points to static storage; don't free it */ + + (void)monitor_cache_destroy( mi ); + + if ( monitor_subsys ) { + int i; + + for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) { + if ( monitor_subsys[ i ]->mss_destroy ) { + monitor_subsys[ i ]->mss_destroy( be, monitor_subsys[ i ] ); + } + + if ( !BER_BVISNULL( &monitor_subsys[ i ]->mss_rdn ) ) { + ch_free( monitor_subsys[ i ]->mss_rdn.bv_val ); + } + } + + ch_free( monitor_subsys ); + } + + if ( mi->mi_entry_limbo ) { + entry_limbo_t *el = mi->mi_entry_limbo; + + for ( ; el; ) { + entry_limbo_t *tmp = el; + el = el->el_next; + monitor_back_destroy_limbo_entry( tmp, 1 ); + } + } + + ldap_pvt_thread_mutex_destroy( &monitor_info.mi_cache_mutex ); + + be->be_private = NULL; + + return 0; +} |