mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
153 lines
3.0 KiB
C
153 lines
3.0 KiB
C
/* compare.c - bdb backend compare routine */
|
|
/* $OpenLDAP$ */
|
|
/*
|
|
* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
|
|
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
#include <ac/string.h>
|
|
|
|
#include "back-bdb.h"
|
|
#include "external.h"
|
|
|
|
int
|
|
bdb_compare(
|
|
BackendDB *be,
|
|
Connection *conn,
|
|
Operation *op,
|
|
struct berval *dn,
|
|
struct berval *ndn,
|
|
AttributeAssertion *ava
|
|
)
|
|
{
|
|
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
|
|
Entry *matched;
|
|
Entry *e;
|
|
Attribute *a;
|
|
int rc;
|
|
const char *text = NULL;
|
|
int manageDSAit = get_manageDSAit( op );
|
|
|
|
u_int32_t locker;
|
|
DB_LOCK lock;
|
|
|
|
rc = LOCK_ID(bdb->bi_dbenv, &locker);
|
|
switch(rc) {
|
|
case 0:
|
|
break;
|
|
default:
|
|
send_ldap_result( conn, op, rc=LDAP_OTHER,
|
|
NULL, "internal error", NULL, NULL );
|
|
return rc;
|
|
}
|
|
|
|
dn2entry_retry:
|
|
/* get entry */
|
|
rc = bdb_dn2entry_r( be, NULL, ndn, &e, &matched, 0, locker, &lock );
|
|
|
|
switch( rc ) {
|
|
case DB_NOTFOUND:
|
|
case 0:
|
|
break;
|
|
case LDAP_BUSY:
|
|
text = "ldap server busy";
|
|
goto return_results;
|
|
case DB_LOCK_DEADLOCK:
|
|
case DB_LOCK_NOTGRANTED:
|
|
goto dn2entry_retry;
|
|
default:
|
|
rc = LDAP_OTHER;
|
|
text = "internal error";
|
|
goto return_results;
|
|
}
|
|
|
|
if ( e == NULL ) {
|
|
char *matched_dn = NULL;
|
|
BerVarray refs;
|
|
|
|
if ( matched != NULL ) {
|
|
matched_dn = ch_strdup( matched->e_dn );
|
|
refs = is_entry_referral( matched )
|
|
? get_entry_referrals( be, conn, op, matched )
|
|
: NULL;
|
|
bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, matched, &lock );
|
|
matched = NULL;
|
|
|
|
} else {
|
|
refs = referral_rewrite( default_referral,
|
|
NULL, dn, LDAP_SCOPE_DEFAULT );
|
|
}
|
|
|
|
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
|
|
matched_dn, NULL, refs, NULL );
|
|
|
|
ber_bvarray_free( refs );
|
|
free( matched_dn );
|
|
|
|
goto done;
|
|
}
|
|
|
|
if (!manageDSAit && is_entry_referral( e ) ) {
|
|
/* entry is a referral, don't allow add */
|
|
BerVarray refs = get_entry_referrals( be,
|
|
conn, op, e );
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, DETAIL1,
|
|
"bdb_compare: entry is referral\n", 0, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
|
|
0, 0 );
|
|
#endif
|
|
|
|
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
|
|
e->e_dn, NULL, refs, NULL );
|
|
|
|
ber_bvarray_free( refs );
|
|
goto done;
|
|
}
|
|
|
|
if ( ! access_allowed( be, conn, op, e,
|
|
ava->aa_desc, &ava->aa_value, ACL_COMPARE, NULL ) )
|
|
{
|
|
rc = LDAP_INSUFFICIENT_ACCESS;
|
|
goto return_results;
|
|
}
|
|
|
|
rc = LDAP_NO_SUCH_ATTRIBUTE;
|
|
|
|
for(a = attrs_find( e->e_attrs, ava->aa_desc );
|
|
a != NULL;
|
|
a = attrs_find( a->a_next, ava->aa_desc ))
|
|
{
|
|
rc = LDAP_COMPARE_FALSE;
|
|
|
|
if ( value_find( ava->aa_desc, a->a_vals, &ava->aa_value ) == 0 ) {
|
|
rc = LDAP_COMPARE_TRUE;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
return_results:
|
|
send_ldap_result( conn, op, rc,
|
|
NULL, text, NULL, NULL );
|
|
|
|
if( rc == LDAP_COMPARE_FALSE || rc == LDAP_COMPARE_TRUE ) {
|
|
rc = LDAP_SUCCESS;
|
|
}
|
|
|
|
done:
|
|
/* free entry */
|
|
if( e != NULL ) {
|
|
bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
|
|
}
|
|
|
|
LOCK_ID_FREE ( bdb->bi_dbenv, locker );
|
|
|
|
return rc;
|
|
}
|