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openldap/servers/slapd/back-monitor/database.c

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/* database.c - deals with database subsystem */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2001-2019 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 <ac/unistd.h>
#include "slap.h"
#include "back-monitor.h"
#if defined(LDAP_SLAPI)
#include "slapi.h"
static int monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e );
#endif /* defined(LDAP_SLAPI) */
static int
monitor_subsys_database_modify(
Operation *op,
SlapReply *rs,
Entry *e );
static struct restricted_ops_t {
struct berval op;
unsigned int tag;
} restricted_ops[] = {
{ BER_BVC( "add" ), SLAP_RESTRICT_OP_ADD },
{ BER_BVC( "bind" ), SLAP_RESTRICT_OP_BIND },
{ BER_BVC( "compare" ), SLAP_RESTRICT_OP_COMPARE },
{ BER_BVC( "delete" ), SLAP_RESTRICT_OP_DELETE },
{ BER_BVC( "extended" ), SLAP_RESTRICT_OP_EXTENDED },
{ BER_BVC( "modify" ), SLAP_RESTRICT_OP_MODIFY },
{ BER_BVC( "rename" ), SLAP_RESTRICT_OP_RENAME },
{ BER_BVC( "search" ), SLAP_RESTRICT_OP_SEARCH },
{ BER_BVNULL, 0 }
}, restricted_exops[] = {
{ BER_BVC( LDAP_EXOP_START_TLS ), SLAP_RESTRICT_EXOP_START_TLS },
{ BER_BVC( LDAP_EXOP_MODIFY_PASSWD ), SLAP_RESTRICT_EXOP_MODIFY_PASSWD },
{ BER_BVC( LDAP_EXOP_WHO_AM_I ), SLAP_RESTRICT_EXOP_WHOAMI },
{ BER_BVC( LDAP_EXOP_CANCEL ), SLAP_RESTRICT_EXOP_CANCEL },
{ BER_BVNULL, 0 }
};
static int
init_readOnly( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
{
struct berval *tf = ( ( restrictops & SLAP_RESTRICT_OP_MASK ) == SLAP_RESTRICT_OP_WRITES ) ?
(struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv;
return attr_merge_one( e, mi->mi_ad_readOnly, tf, NULL );
}
static int
init_restrictedOperation( monitor_info_t *mi, Entry *e, slap_mask_t restrictops )
{
int i, rc;
for ( i = 0; restricted_ops[ i ].op.bv_val; i++ ) {
if ( restrictops & restricted_ops[ i ].tag ) {
rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
&restricted_ops[ i ].op,
&restricted_ops[ i ].op );
if ( rc ) {
return rc;
}
}
}
for ( i = 0; restricted_exops[ i ].op.bv_val; i++ ) {
if ( restrictops & restricted_exops[ i ].tag ) {
rc = attr_merge_one( e, mi->mi_ad_restrictedOperation,
&restricted_exops[ i ].op,
&restricted_exops[ i ].op );
if ( rc ) {
return rc;
}
}
}
return LDAP_SUCCESS;
}
static int
monitor_subsys_overlay_init_one(
monitor_info_t *mi,
BackendDB *be,
monitor_subsys_t *ms,
monitor_subsys_t *ms_overlay,
slap_overinst *on,
Entry *e_database,
Entry **ep_overlay )
{
char buf[ BACKMONITOR_BUFSIZE ];
int j, o;
Entry *e_overlay;
slap_overinst *on2;
slap_overinfo *oi = NULL;
BackendInfo *bi;
monitor_entry_t *mp_overlay;
struct berval bv;
assert( overlay_is_over( be ) );
oi = (slap_overinfo *)be->bd_info->bi_private;
bi = oi->oi_orig;
/* find the overlay number, o */
for ( o = 0, on2 = oi->oi_list; on2 && on2 != on; on2 = on2->on_next, o++ )
;
if ( on2 == NULL ) {
return -1;
}
/* find the overlay type number, j */
for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
break;
}
}
assert( on2 != NULL );
bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", o );
bv.bv_val = buf;
e_overlay = monitor_entry_stub( &e_database->e_name, &e_database->e_nname, &bv,
mi->mi_oc_monitoredObject, NULL, NULL );
if ( e_overlay == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_overlay_init_one: "
"unable to create entry "
"\"cn=Overlay %d,%s\"\n",
o, e_database->e_name.bv_val );
return( -1 );
}
ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo, &bv, NULL );
bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d,%s",
j, ms_overlay->mss_dn.bv_val );
bv.bv_val = buf;
attr_merge_normalize_one( e_overlay, slap_schema.si_ad_seeAlso,
&bv, NULL );
if ( SLAP_MONITOR( be ) ) {
attr_merge( e_overlay, slap_schema.si_ad_monitorContext,
be->be_suffix, be->be_nsuffix );
} else {
attr_merge( e_overlay, slap_schema.si_ad_namingContexts,
be->be_suffix, NULL );
}
mp_overlay = monitor_entrypriv_create();
if ( mp_overlay == NULL ) {
return -1;
}
e_overlay->e_private = ( void * )mp_overlay;
mp_overlay->mp_info = ms;
mp_overlay->mp_flags = ms->mss_flags | MONITOR_F_SUB;
if ( monitor_cache_add( mi, e_overlay ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_overlay_init_one: "
"unable to add entry "
"\"cn=Overlay %d,%s\"\n",
o, e_database->e_name.bv_val );
return -1;
}
*ep_overlay = e_overlay;
ep_overlay = &mp_overlay->mp_next;
return 0;
}
static int
monitor_subsys_database_init_one(
monitor_info_t *mi,
BackendDB *be,
monitor_subsys_t *ms,
monitor_subsys_t *ms_backend,
monitor_subsys_t *ms_overlay,
struct berval *rdn,
Entry *e_database,
Entry ***epp )
{
char buf[ BACKMONITOR_BUFSIZE ];
int j;
slap_overinfo *oi = NULL;
BackendInfo *bi, *bi2;
Entry *e;
monitor_entry_t *mp;
char *rdnval = strchr( rdn->bv_val, '=' ) + 1;
struct berval bv;
bi = be->bd_info;
if ( be->be_suffix == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_database_init_one: "
"missing suffix for %s\n",
rdnval );
return( -1 );
}
if ( overlay_is_over( be ) ) {
oi = (slap_overinfo *)be->bd_info->bi_private;
bi = oi->oi_orig;
}
e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, rdn,
mi->mi_oc_monitoredObject, NULL, NULL );
if ( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_database_init_one: "
"unable to create entry \"%s,%s\"\n",
rdn->bv_val, ms->mss_dn.bv_val );
return( -1 );
}
ber_str2bv( bi->bi_type, 0, 0, &bv );
attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
attr_merge_one( e, mi->mi_ad_monitorIsShadow,
SLAP_SHADOW( be ) ? (struct berval *)&slap_true_bv :
(struct berval *)&slap_false_bv, NULL );
if ( SLAP_MONITOR( be ) ) {
attr_merge( e, slap_schema.si_ad_monitorContext,
be->be_suffix, be->be_nsuffix );
attr_merge( e_database, slap_schema.si_ad_monitorContext,
be->be_suffix, be->be_nsuffix );
} else {
attr_merge( e, slap_schema.si_ad_namingContexts,
be->be_suffix, NULL );
attr_merge( e_database, slap_schema.si_ad_namingContexts,
be->be_suffix, NULL );
if ( SLAP_GLUE_SUBORDINATE( be ) ) {
BackendDB *sup_be = select_backend( &be->be_nsuffix[ 0 ], 1 );
if ( sup_be == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_database_init: "
"unable to get superior for %s\n",
be->be_suffix[ 0 ].bv_val );
} else {
attr_merge( e, mi->mi_ad_monitorSuperiorDN,
sup_be->be_suffix, sup_be->be_nsuffix );
}
}
}
(void)init_readOnly( mi, e, be->be_restrictops );
(void)init_restrictedOperation( mi, e, be->be_restrictops );
if ( SLAP_SHADOW( be ) && be->be_update_refs ) {
attr_merge_normalize( e, mi->mi_ad_monitorUpdateRef,
be->be_update_refs, NULL );
}
if ( oi != NULL ) {
slap_overinst *on = oi->oi_list,
*on1 = on;
for ( ; on; on = on->on_next ) {
slap_overinst *on2;
for ( on2 = on1; on2 != on; on2 = on2->on_next ) {
if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
break;
}
}
if ( on2 != on ) {
break;
}
ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
attr_merge_normalize_one( e, mi->mi_ad_monitorOverlay,
&bv, NULL );
/* find the overlay number, j */
for ( on2 = overlay_next( NULL ), j = 0; on2; on2 = overlay_next( on2 ), j++ ) {
if ( on2->on_bi.bi_type == on->on_bi.bi_type ) {
break;
}
}
assert( on2 != NULL );
snprintf( buf, sizeof( buf ),
"cn=Overlay %d,%s",
j, ms_overlay->mss_dn.bv_val );
ber_str2bv( buf, 0, 0, &bv );
attr_merge_normalize_one( e,
slap_schema.si_ad_seeAlso,
&bv, NULL );
}
}
j = -1;
LDAP_STAILQ_FOREACH( bi2, &backendInfo, bi_next ) {
j++;
if ( bi2->bi_type == bi->bi_type ) {
snprintf( buf, sizeof( buf ),
"cn=Backend %d,%s",
j, ms_backend->mss_dn.bv_val );
bv.bv_val = buf;
bv.bv_len = strlen( buf );
attr_merge_normalize_one( e,
slap_schema.si_ad_seeAlso,
&bv, NULL );
break;
}
}
/* we must find it! */
assert( j >= 0 );
mp = monitor_entrypriv_create();
if ( mp == NULL ) {
return -1;
}
e->e_private = ( void * )mp;
mp->mp_info = ms;
mp->mp_flags = ms->mss_flags
| MONITOR_F_SUB;
if ( monitor_cache_add( mi, e ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_database_init_one: "
"unable to add entry \"%s,%s\"\n",
rdn->bv_val, ms->mss_dn.bv_val );
return( -1 );
}
#if defined(LDAP_SLAPI)
monitor_back_add_plugin( mi, be, e );
#endif /* defined(LDAP_SLAPI) */
if ( oi != NULL ) {
Entry **ep_overlay = &mp->mp_children;
slap_overinst *on = oi->oi_list;
for ( ; on; on = on->on_next ) {
monitor_subsys_overlay_init_one( mi, be,
ms, ms_overlay, on, e, ep_overlay );
}
}
**epp = e;
*epp = &mp->mp_next;
return 0;
}
static int
monitor_back_register_database_and_overlay(
BackendDB *be,
struct slap_overinst *on,
struct berval *ndn_out )
{
monitor_info_t *mi;
Entry *e_database, **ep;
int i, rc;
monitor_entry_t *mp;
monitor_subsys_t *ms_backend,
*ms_database,
*ms_overlay;
struct berval bv;
char buf[ BACKMONITOR_BUFSIZE ];
assert( be_monitor != NULL );
if ( !monitor_subsys_is_opened() ) {
if ( on ) {
return monitor_back_register_overlay_limbo( be, on, ndn_out );
} else {
return monitor_back_register_database_limbo( be, ndn_out );
}
}
mi = ( monitor_info_t * )be_monitor->be_private;
ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
if ( ms_backend == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_back_register_database: "
"unable to get "
"\"" SLAPD_MONITOR_BACKEND_NAME "\" "
"subsystem\n" );
return -1;
}
ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME );
if ( ms_database == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_back_register_database: "
"unable to get "
"\"" SLAPD_MONITOR_DATABASE_NAME "\" "
"subsystem\n" );
return -1;
}
ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
if ( ms_overlay == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_back_register_database: "
"unable to get "
"\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
"subsystem\n" );
return -1;
}
if ( monitor_cache_get( mi, &ms_database->mss_ndn, &e_database ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_database_init: "
"unable to get entry \"%s\"\n",
ms_database->mss_ndn.bv_val );
return( -1 );
}
mp = ( monitor_entry_t * )e_database->e_private;
for ( i = -1, ep = &mp->mp_children; *ep; i++ ) {
Attribute *a;
a = attr_find( (*ep)->e_attrs, slap_schema.si_ad_namingContexts );
if ( a ) {
int j, k;
/* FIXME: RFC 4512 defines namingContexts without an
* equality matching rule, making comparisons
* like this one tricky. We use a_vals and
* be_suffix instead for now.
*/
for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ ) {
for ( k = 0; !BER_BVISNULL( &be->be_suffix[ k ] ); k++ ) {
if ( dn_match( &a->a_vals[ j ],
&be->be_suffix[ k ] ) ) {
rc = 0;
goto done;
}
}
}
}
mp = ( monitor_entry_t * )(*ep)->e_private;
assert( mp != NULL );
ep = &mp->mp_next;
}
bv.bv_val = buf;
bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Database %d", i );
if ( bv.bv_len >= sizeof( buf ) ) {
rc = -1;
goto done;
}
rc = monitor_subsys_database_init_one( mi, be,
ms_database, ms_backend, ms_overlay, &bv, e_database, &ep );
if ( rc != 0 ) {
goto done;
}
/* database_init_one advanced ep past where we want.
* But it stored the entry we want in mp->mp_next.
*/
ep = &mp->mp_next;
done:;
monitor_cache_release( mi, e_database );
if ( rc == 0 && ndn_out && ep && *ep ) {
if ( on ) {
Entry *e_ov;
struct berval ov_type;
ber_str2bv( on->on_bi.bi_type, 0, 0, &ov_type );
mp = ( monitor_entry_t * ) (*ep)->e_private;
for ( e_ov = mp->mp_children; e_ov; ) {
Attribute *a = attr_find( e_ov->e_attrs, mi->mi_ad_monitoredInfo );
if ( a != NULL && bvmatch( &a->a_nvals[ 0 ], &ov_type ) ) {
*ndn_out = e_ov->e_nname;
break;
}
mp = ( monitor_entry_t * ) e_ov->e_private;
e_ov = mp->mp_next;
}
} else {
*ndn_out = (*ep)->e_nname;
}
}
return rc;
}
int
monitor_back_register_database(
BackendDB *be,
struct berval *ndn_out )
{
return monitor_back_register_database_and_overlay( be, NULL, ndn_out );
}
int
monitor_back_register_overlay(
BackendDB *be,
struct slap_overinst *on,
struct berval *ndn_out )
{
return monitor_back_register_database_and_overlay( be, on, ndn_out );
}
int
monitor_subsys_database_init(
BackendDB *be,
monitor_subsys_t *ms )
{
monitor_info_t *mi;
Entry *e_database, **ep;
int i, rc;
monitor_entry_t *mp;
monitor_subsys_t *ms_backend,
*ms_overlay;
struct berval bv;
assert( be != NULL );
ms->mss_modify = monitor_subsys_database_modify;
mi = ( monitor_info_t * )be->be_private;
ms_backend = monitor_back_get_subsys( SLAPD_MONITOR_BACKEND_NAME );
if ( ms_backend == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_database_init: "
"unable to get "
"\"" SLAPD_MONITOR_BACKEND_NAME "\" "
"subsystem\n" );
return -1;
}
ms_overlay = monitor_back_get_subsys( SLAPD_MONITOR_OVERLAY_NAME );
if ( ms_overlay == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_database_init: "
"unable to get "
"\"" SLAPD_MONITOR_OVERLAY_NAME "\" "
"subsystem\n" );
return -1;
}
if ( monitor_cache_get( mi, &ms->mss_ndn, &e_database ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_database_init: "
"unable to get entry \"%s\"\n",
ms->mss_ndn.bv_val );
return( -1 );
}
(void)init_readOnly( mi, e_database, frontendDB->be_restrictops );
(void)init_restrictedOperation( mi, e_database, frontendDB->be_restrictops );
mp = ( monitor_entry_t * )e_database->e_private;
mp->mp_children = NULL;
ep = &mp->mp_children;
BER_BVSTR( &bv, "cn=Frontend" );
rc = monitor_subsys_database_init_one( mi, frontendDB,
ms, ms_backend, ms_overlay, &bv, e_database, &ep );
if ( rc != 0 ) {
return rc;
}
i = -1;
LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
char buf[ BACKMONITOR_BUFSIZE ];
bv.bv_val = buf;
bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Database %d", ++i );
if ( bv.bv_len >= sizeof( buf ) ) {
return -1;
}
rc = monitor_subsys_database_init_one( mi, be,
ms, ms_backend, ms_overlay, &bv, e_database, &ep );
if ( rc != 0 ) {
return rc;
}
}
monitor_cache_release( mi, e_database );
return( 0 );
}
/*
* v: array of values
* cur: must not contain the tags corresponding to the values in v
* delta: will contain the tags corresponding to the values in v
*/
static int
value_mask( BerVarray v, slap_mask_t cur, slap_mask_t *delta )
{
for ( ; !BER_BVISNULL( v ); v++ ) {
struct restricted_ops_t *rops;
int i;
if ( OID_LEADCHAR( v->bv_val[ 0 ] ) ) {
rops = restricted_exops;
} else {
rops = restricted_ops;
}
for ( i = 0; !BER_BVISNULL( &rops[ i ].op ); i++ ) {
if ( ber_bvstrcasecmp( v, &rops[ i ].op ) != 0 ) {
continue;
}
if ( rops[ i ].tag & *delta ) {
return LDAP_OTHER;
}
if ( rops[ i ].tag & cur ) {
return LDAP_OTHER;
}
cur |= rops[ i ].tag;
*delta |= rops[ i ].tag;
break;
}
if ( BER_BVISNULL( &rops[ i ].op ) ) {
return LDAP_INVALID_SYNTAX;
}
}
return LDAP_SUCCESS;
}
static int
monitor_subsys_database_modify(
Operation *op,
SlapReply *rs,
Entry *e )
{
monitor_info_t *mi = (monitor_info_t *)op->o_bd->be_private;
int rc = LDAP_OTHER;
Attribute *save_attrs, *a;
Modifications *ml;
Backend *be;
int ro_gotval = 1, i, n;
slap_mask_t rp_add = 0, rp_delete = 0, rp_cur;
struct berval *tf;
i = sscanf( e->e_nname.bv_val, "cn=database %d,", &n );
if ( i != 1 ) {
return SLAP_CB_CONTINUE;
}
if ( n < 0 || n >= nBackendDB ) {
rs->sr_text = "invalid database index";
return ( rs->sr_err = LDAP_NO_SUCH_OBJECT );
}
LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
if ( n == 0 ) {
break;
}
n--;
}
/* do not allow some changes on back-monitor (needs work)... */
if ( SLAP_MONITOR( be ) ) {
rs->sr_text = "no modifications allowed to monitor database entry";
return ( rs->sr_err = LDAP_UNWILLING_TO_PERFORM );
}
rp_cur = be->be_restrictops;
save_attrs = e->e_attrs;
e->e_attrs = attrs_dup( e->e_attrs );
for ( ml = op->orm_modlist; ml; ml = ml->sml_next ) {
Modification *mod = &ml->sml_mod;
if ( mod->sm_desc == mi->mi_ad_readOnly ) {
int val = -1;
if ( mod->sm_values ) {
if ( !BER_BVISNULL( &mod->sm_values[ 1 ] ) ) {
rs->sr_text = "attempting to modify multiple values of single-valued attribute";
rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
goto done;
}
if ( bvmatch( &slap_true_bv, mod->sm_values )) {
val = 1;
} else if ( bvmatch( &slap_false_bv, mod->sm_values )) {
val = 0;
} else {
assert( 0 );
rc = rs->sr_err = LDAP_INVALID_SYNTAX;
goto done;
}
}
switch ( mod->sm_op ) {
case LDAP_MOD_DELETE:
if ( ro_gotval < 1 ) {
rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
goto done;
}
ro_gotval--;
if ( val == 0 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
goto done;
}
if ( val == 1 && ( rp_cur & SLAP_RESTRICT_OP_WRITES ) != SLAP_RESTRICT_OP_WRITES ) {
rc = rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
goto done;
}
break;
case LDAP_MOD_REPLACE:
ro_gotval = 0;
/* fall thru */
case LDAP_MOD_ADD:
if ( ro_gotval > 0 ) {
rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
goto done;
}
ro_gotval++;
if ( val == 1 ) {
rp_add |= (~rp_cur) & SLAP_RESTRICT_OP_WRITES;
rp_cur |= SLAP_RESTRICT_OP_WRITES;
rp_delete &= ~SLAP_RESTRICT_OP_WRITES;
} else if ( val == 0 ) {
rp_delete |= rp_cur & SLAP_RESTRICT_OP_WRITES;
rp_cur &= ~SLAP_RESTRICT_OP_WRITES;
rp_add &= ~SLAP_RESTRICT_OP_WRITES;
}
break;
default:
rc = rs->sr_err = LDAP_OTHER;
goto done;
}
} else if ( mod->sm_desc == mi->mi_ad_restrictedOperation ) {
slap_mask_t mask = 0;
switch ( mod->sm_op ) {
case LDAP_MOD_DELETE:
if ( mod->sm_values == NULL ) {
rp_delete = rp_cur;
rp_cur = 0;
rp_add = 0;
break;
}
rc = value_mask( mod->sm_values, ~rp_cur, &mask );
if ( rc == LDAP_SUCCESS ) {
rp_delete |= mask;
rp_add &= ~mask;
rp_cur &= ~mask;
} else if ( rc == LDAP_OTHER ) {
rc = LDAP_NO_SUCH_ATTRIBUTE;
}
break;
case LDAP_MOD_REPLACE:
rp_delete = rp_cur;
rp_cur = 0;
rp_add = 0;
/* fall thru */
case LDAP_MOD_ADD:
rc = value_mask( mod->sm_values, rp_cur, &mask );
if ( rc == LDAP_SUCCESS ) {
rp_add |= mask;
rp_cur |= mask;
rp_delete &= ~mask;
} else if ( rc == LDAP_OTHER ) {
rc = rs->sr_err = LDAP_TYPE_OR_VALUE_EXISTS;
}
break;
default:
rc = rs->sr_err = LDAP_OTHER;
break;
}
if ( rc != LDAP_SUCCESS ) {
goto done;
}
} else if ( is_at_operational( mod->sm_desc->ad_type )) {
/* accept all operational attributes */
attr_delete( &e->e_attrs, mod->sm_desc );
rc = attr_merge( e, mod->sm_desc, mod->sm_values,
mod->sm_nvalues );
if ( rc ) {
rc = rs->sr_err = LDAP_OTHER;
break;
}
} else {
rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
break;
}
}
/* sanity checks: */
if ( ro_gotval < 1 ) {
rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
goto done;
}
if ( ( rp_cur & SLAP_RESTRICT_OP_EXTENDED ) && ( rp_cur & SLAP_RESTRICT_EXOP_MASK ) ) {
rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
goto done;
}
if ( rp_delete & rp_add ) {
rc = rs->sr_err = LDAP_OTHER;
goto done;
}
/* check current value of readOnly */
if ( ( rp_cur & SLAP_RESTRICT_OP_WRITES ) == SLAP_RESTRICT_OP_WRITES ) {
tf = (struct berval *)&slap_true_bv;
} else {
tf = (struct berval *)&slap_false_bv;
}
a = attr_find( e->e_attrs, mi->mi_ad_readOnly );
if ( a == NULL ) {
rc = LDAP_OTHER;
goto done;
}
if ( !bvmatch( &a->a_vals[ 0 ], tf ) ) {
attr_delete( &e->e_attrs, mi->mi_ad_readOnly );
rc = attr_merge_one( e, mi->mi_ad_readOnly, tf, tf );
}
if ( rc == LDAP_SUCCESS ) {
if ( rp_delete ) {
if ( rp_delete == be->be_restrictops ) {
attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
} else {
a = attr_find( e->e_attrs, mi->mi_ad_restrictedOperation );
if ( a == NULL ) {
rc = rs->sr_err = LDAP_OTHER;
goto done;
}
for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
if ( rp_delete & restricted_ops[ i ].tag ) {
int j;
for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
int k;
if ( !bvmatch( &a->a_nvals[ j ], &restricted_ops[ i ].op ) ) {
continue;
}
ch_free( a->a_vals[ j ].bv_val );
ch_free( a->a_nvals[ j ].bv_val );
for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
a->a_vals[ k - 1 ] = a->a_vals[ k ];
a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
}
BER_BVZERO( &a->a_vals[ k - 1 ] );
BER_BVZERO( &a->a_nvals[ k - 1 ] );
a->a_numvals--;
}
}
}
for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
if ( rp_delete & restricted_exops[ i ].tag ) {
int j;
for ( j = 0; !BER_BVISNULL( &a->a_nvals[ j ] ); j++ ) {
int k;
if ( !bvmatch( &a->a_nvals[ j ], &restricted_exops[ i ].op ) ) {
continue;
}
ch_free( a->a_vals[ j ].bv_val );
ch_free( a->a_nvals[ j ].bv_val );
for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
a->a_vals[ k - 1 ] = a->a_vals[ k ];
a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
}
BER_BVZERO( &a->a_vals[ k - 1 ] );
BER_BVZERO( &a->a_nvals[ k - 1 ] );
a->a_numvals--;
}
}
}
if ( a->a_vals == NULL ) {
assert( a->a_numvals == 0 );
attr_delete( &e->e_attrs, mi->mi_ad_restrictedOperation );
}
}
}
if ( rp_add ) {
for ( i = 0; !BER_BVISNULL( &restricted_ops[ i ].op ); i++ ) {
if ( rp_add & restricted_ops[ i ].tag ) {
attr_merge_one( e, mi->mi_ad_restrictedOperation,
&restricted_ops[ i ].op,
&restricted_ops[ i ].op );
}
}
for ( i = 0; !BER_BVISNULL( &restricted_exops[ i ].op ); i++ ) {
if ( rp_add & restricted_exops[ i ].tag ) {
attr_merge_one( e, mi->mi_ad_restrictedOperation,
&restricted_exops[ i ].op,
&restricted_exops[ i ].op );
}
}
}
}
be->be_restrictops = rp_cur;
done:;
if ( rc == LDAP_SUCCESS ) {
attrs_free( save_attrs );
rc = SLAP_CB_CONTINUE;
} else {
Attribute *tmp = e->e_attrs;
e->e_attrs = save_attrs;
attrs_free( tmp );
}
return rc;
}
#if defined(LDAP_SLAPI)
static int
monitor_back_add_plugin( monitor_info_t *mi, Backend *be, Entry *e_database )
{
Slapi_PBlock *pCurrentPB;
int i, rc = LDAP_SUCCESS;
if ( slapi_int_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
/*
* LDAP_OTHER is returned if no plugins are installed
*/
rc = LDAP_OTHER;
goto done;
}
i = 0;
do {
Slapi_PluginDesc *srchdesc;
char buf[ BACKMONITOR_BUFSIZE ];
struct berval bv;
rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
&srchdesc );
if ( rc != LDAP_SUCCESS ) {
goto done;
}
if ( srchdesc ) {
snprintf( buf, sizeof(buf),
"plugin %d name: %s; "
"vendor: %s; "
"version: %s; "
"description: %s",
i,
srchdesc->spd_id,
srchdesc->spd_vendor,
srchdesc->spd_version,
srchdesc->spd_description );
} else {
snprintf( buf, sizeof(buf),
"plugin %d name: <no description available>", i );
}
ber_str2bv( buf, 0, 0, &bv );
attr_merge_normalize_one( e_database,
mi->mi_ad_monitoredInfo, &bv, NULL );
i++;
} while ( ( slapi_int_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
&& ( pCurrentPB != NULL ) );
done:
return rc;
}
#endif /* defined(LDAP_SLAPI) */
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