openldap/servers/slapd/back-monitor/init.c
2002-08-29 10:32:48 +00:00

537 lines
12 KiB
C

/* init.c - initialize monitor backend */
/*
* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
* Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
*
* This work has beed deveolped for the OpenLDAP Foundation
* in the hope that it may be useful to the Open Source community,
* but WITHOUT ANY WARRANTY.
*
* Permission is granted to anyone to use this software for any purpose
* on any computer system, and to alter it and redistribute it, subject
* to the following restrictions:
*
* 1. The author and SysNet s.n.c. are not responsible for the consequences
* of use of this software, no matter how awful, even if they arise from
* flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits should appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits should appear in the documentation.
* SysNet s.n.c. cannot be responsible for the consequences of the
* alterations.
*
* 4. This notice may not be removed or altered.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "slap.h"
#include "lber_pvt.h"
#include "back-monitor.h"
/*
* used by many functions to add description to entries
*/
AttributeDescription *monitor_ad_desc = NULL;
BackendDB *be_monitor = NULL;
/*
* subsystem data
*/
struct monitorsubsys monitor_subsys[] = {
{
SLAPD_MONITOR_LISTENER, SLAPD_MONITOR_LISTENER_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_PERSISTENT_CH,
monitor_subsys_listener_init,
NULL, /* update */
NULL, /* create */
NULL /* modify */
}, {
SLAPD_MONITOR_DATABASE, SLAPD_MONITOR_DATABASE_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_PERSISTENT_CH,
monitor_subsys_database_init,
NULL, /* update */
NULL, /* create */
NULL /* modify */
}, {
SLAPD_MONITOR_BACKEND, SLAPD_MONITOR_BACKEND_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_PERSISTENT_CH,
monitor_subsys_backend_init,
NULL, /* update */
NULL, /* create */
NULL /* modify */
}, {
SLAPD_MONITOR_THREAD, SLAPD_MONITOR_THREAD_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_NONE,
monitor_subsys_thread_init,
monitor_subsys_thread_update,
NULL, /* create */
NULL /* modify */
}, {
SLAPD_MONITOR_SASL, SLAPD_MONITOR_SASL_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_NONE,
NULL, /* init */
NULL, /* update */
NULL, /* create */
NULL /* modify */
}, {
SLAPD_MONITOR_TLS, SLAPD_MONITOR_TLS_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_NONE,
NULL, /* init */
NULL, /* update */
NULL, /* create */
NULL /* modify */
}, {
SLAPD_MONITOR_CONN, SLAPD_MONITOR_CONN_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_VOLATILE_CH,
monitor_subsys_conn_init,
monitor_subsys_conn_update,
monitor_subsys_conn_create,
NULL /* modify */
}, {
SLAPD_MONITOR_READW, SLAPD_MONITOR_READW_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_NONE,
NULL, /* init */
monitor_subsys_readw_update,
NULL, /* create */
NULL /* modify */
}, {
SLAPD_MONITOR_WRITEW, SLAPD_MONITOR_WRITEW_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_NONE,
NULL, /* init */
monitor_subsys_writew_update,
NULL, /* create */
NULL /* modify */
}, {
SLAPD_MONITOR_LOG, SLAPD_MONITOR_LOG_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_NONE,
monitor_subsys_log_init,
NULL, /* update */
NULL, /* create */
monitor_subsys_log_modify
}, {
SLAPD_MONITOR_OPS, SLAPD_MONITOR_OPS_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_PERSISTENT_CH,
monitor_subsys_ops_init,
monitor_subsys_ops_update,
NULL, /* create */
NULL, /* modify */
}, {
SLAPD_MONITOR_SENT, SLAPD_MONITOR_SENT_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_PERSISTENT_CH,
monitor_subsys_sent_init,
monitor_subsys_sent_update,
NULL, /* create */
NULL, /* modify */
}, {
SLAPD_MONITOR_TIME, SLAPD_MONITOR_TIME_NAME,
BER_BVNULL, BER_BVNULL, BER_BVNULL,
MONITOR_F_PERSISTENT_CH,
monitor_subsys_time_init,
monitor_subsys_time_update,
NULL, /* create */
NULL, /* modify */
}, { -1, NULL }
};
#ifdef SLAPD_MONITOR_DYNAMIC
int
back_monitor_LTX_init_module( int argc, char *argv[] )
{
BackendInfo bi;
memset( &bi, '\0', sizeof(bi) );
bi.bi_type = "monitor";
bi.bi_init = monitor_back_initialize;
backend_add( &bi );
return 0;
}
#endif /* SLAPD_MONITOR_DYNAMIC */
int
monitor_back_initialize(
BackendInfo *bi
)
{
static char *controls[] = {
LDAP_CONTROL_MANAGEDSAIT,
LDAP_CONTROL_VALUESRETURNFILTER,
NULL
};
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;
bi->bi_db_config = monitor_back_db_config;
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 = 0;
bi->bi_acl_group = 0;
bi->bi_acl_attribute = 0;
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_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_connection_init = 0;
bi->bi_connection_destroy = 0;
return 0;
}
int
monitor_back_db_init(
BackendDB *be
)
{
struct monitorinfo *mi;
Entry *e, *e_tmp;
struct monitorentrypriv *mp;
int i, rc;
char buf[1024], *end_of_line;
struct berval dn, ndn;
const char *text;
struct berval bv[2];
/*
* database monitor can be defined once only
*/
if ( be_monitor ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"only one monitor backend is allowed\n" , 0, 0, 0);
#else
Debug( LDAP_DEBUG_ANY,
"only one monitor backend is allowed\n%s%s%s",
"", "", "" );
#endif
return( -1 );
}
be_monitor = be;
/* indicate system schema supported */
be->be_flags |= SLAP_BFLAG_MONITOR;
dn.bv_val = SLAPD_MONITOR_DN;
dn.bv_len = sizeof( SLAPD_MONITOR_DN ) - 1;
rc = dnNormalize2( NULL, &dn, &ndn );
if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor DN \"" SLAPD_MONITOR_DN "\" backend is allowed\n" , 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor DN \"" SLAPD_MONITOR_DN "\" backend is allowed\n",
0, 0, 0 );
#endif
return -1;
}
ber_dupbv( &bv[0], &dn );
ber_bvarray_add( &be->be_suffix, &bv[0] );
ber_bvarray_add( &be->be_nsuffix, &ndn );
mi = ( struct monitorinfo * )ch_calloc( sizeof( struct monitorinfo ), 1 );
ldap_pvt_thread_mutex_init( &mi->mi_cache_mutex );
if ( slap_str2ad( "description", &monitor_ad_desc, &text ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor_back_db_init: %s\n", text, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_backend_init: %s\n%s%s",
text, "", "" );
#endif
return( -1 );
}
/*
* Create all the subsystem specific entries
*/
e_tmp = NULL;
for ( i = 0; monitor_subsys[ i ].mss_name != 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 = dnPretty2( NULL, &dn, &monitor_subsys[ i ].mss_rdn );
free( dn.bv_val );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor RDN \"%s\" is invalid\n",
dn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor RDN \"%s\" is invalid\n",
dn.bv_val, 0, 0 );
#endif
return( -1 );
}
dn.bv_len += sizeof( SLAPD_MONITOR_DN ); /* 1 for the , */
dn.bv_val = ch_malloc( dn.bv_len + 1 );
strcpy( dn.bv_val , monitor_subsys[ i ].mss_rdn.bv_val );
strcat( dn.bv_val, "," SLAPD_MONITOR_DN );
rc = dnPrettyNormal( NULL, &dn, &monitor_subsys[ i ].mss_dn,
&monitor_subsys[ i ].mss_ndn );
free( dn.bv_val );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor DN \"%s\" is invalid\n",
dn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor DN \"%s\" is invalid\n",
dn.bv_val, 0, 0 );
#endif
return( -1 );
}
snprintf( buf, sizeof( buf ),
"dn: %s\n"
SLAPD_MONITOR_OBJECTCLASSES
"cn: %s\n",
monitor_subsys[ i ].mss_dn.bv_val,
monitor_subsys[ i ].mss_name );
e = str2entry( buf );
if ( e == NULL) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"unable to create '%s' entry\n",
monitor_subsys[ i ].mss_dn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"unable to create '%s' entry\n",
monitor_subsys[ i ].mss_dn.bv_val, 0, 0 );
#endif
return( -1 );
}
mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
e->e_private = ( void * )mp;
mp->mp_info = &monitor_subsys[ i ];
mp->mp_children = NULL;
mp->mp_next = e_tmp;
mp->mp_flags = monitor_subsys[ i ].mss_flags;
if ( monitor_cache_add( mi, e ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"unable to add entry '%s' to cache\n",
monitor_subsys[ i ].mss_dn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"unable to add entry '%s' to cache\n",
monitor_subsys[ i ].mss_dn.bv_val, 0, 0 );
#endif
return -1;
}
e_tmp = e;
}
/*
* creates the "cn=Monitor" entry
*/
snprintf( buf, sizeof( buf ),
"dn: " SLAPD_MONITOR_DN "\n"
"objectClass: top\n"
"objectClass: monitor\n"
"objectClass: extensibleObject\n"
"structuralObjectClass: monitor\n"
"cn: Monitor" );
e = str2entry( buf );
if ( e == NULL) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"unable to create '%s' entry\n",
SLAPD_MONITOR_DN, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"unable to create '%s' entry\n%s%s",
SLAPD_MONITOR_DN, "", "" );
#endif
return( -1 );
}
bv[1].bv_val = NULL;
bv[0].bv_val = (char *) Versionstr;
end_of_line = strchr( Versionstr, '\n' );
if ( end_of_line ) {
bv[0].bv_len = end_of_line - Versionstr;
} else {
bv[0].bv_len = strlen( Versionstr );
}
if ( attr_merge( e, monitor_ad_desc, bv ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"unable to add description to '%s' entry\n",
SLAPD_MONITOR_DN, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"unable to add description to '%s' entry\n%s%s",
SLAPD_MONITOR_DN, "", "" );
#endif
return( -1 );
}
mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
e->e_private = ( void * )mp;
mp->mp_info = NULL;
mp->mp_children = e_tmp;
mp->mp_next = NULL;
if ( monitor_cache_add( mi, e ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"unable to add entry '%s' to cache\n",
SLAPD_MONITOR_DN, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"unable to add entry '%s' to cache\n%s%s",
SLAPD_MONITOR_DN, "", "" );
#endif
return -1;
}
be->be_private = mi;
return 0;
}
int
monitor_back_db_open(
BackendDB *be
)
{
struct monitorsubsys *ms;
assert( be );
/*
* opens the monitor backend
*/
for ( ms = monitor_subsys; ms->mss_name != NULL; ms++ ) {
if ( ms->mss_init && ( *ms->mss_init )( be ) ) {
return( -1 );
}
}
return( 0 );
}
int
monitor_back_config(
BackendInfo *bi,
const char *fname,
int lineno,
int argc,
char **argv
)
{
/*
* eventually, will hold backend specific configuration parameters
*/
return 0;
}
int
monitor_back_db_config(
Backend *be,
const char *fname,
int lineno,
int argc,
char **argv
)
{
/*
* eventually, will hold database specific configuration parameters
*/
#ifdef NEW_LOGGING
LDAP_LOG( CONFIG, INFO,
"line %d of file '%s' will be ignored\n", lineno, fname, 0 );
#else
Debug( LDAP_DEBUG_CONFIG,
"line %d of file '%s' will be ignored\n%s", lineno, fname, "" );
#endif
return( 0 );
}
int
monitor_back_db_destroy(
BackendDB *be
)
{
/*
* FIXME: destroys all the data
*/
return 0;
}