#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "back-bdb.h"
int
bdb_compare( Operation *op, SlapReply *rs )
{
struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
Entry *e = NULL;
EntryInfo *ei;
int manageDSAit = get_manageDSAit( op );
DB_TXN *rtxn;
DB_LOCK lock;
rs->sr_err = bdb_reader_get(op, bdb->bi_dbenv, &rtxn);
switch(rs->sr_err) {
case 0:
break;
default:
send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
return rs->sr_err;
}
dn2entry_retry:
rs->sr_err = bdb_dn2entry( op, rtxn, &op->o_req_ndn, &ei, 1,
&lock );
switch( rs->sr_err ) {
case DB_NOTFOUND:
case 0:
break;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto return_results;
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto dn2entry_retry;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
e = ei->bei_e;
if ( rs->sr_err == DB_NOTFOUND ) {
if ( e != NULL ) {
if ( ! access_allowed( op, e, slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL ) )
{
rs->sr_err = LDAP_NO_SUCH_OBJECT;
} else {
rs->sr_matched = ch_strdup( e->e_dn );
rs->sr_ref = is_entry_referral( e )
? get_entry_referrals( op, e )
: NULL;
rs->sr_err = LDAP_REFERRAL;
}
bdb_cache_return_entry_r( bdb, e, &lock );
e = NULL;
} else {
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
rs->sr_err = rs->sr_ref ? LDAP_REFERRAL : LDAP_NO_SUCH_OBJECT;
}
send_ldap_result( op, rs );
ber_bvarray_free( rs->sr_ref );
free( (char *)rs->sr_matched );
rs->sr_ref = NULL;
rs->sr_matched = NULL;
goto done;
}
if (!manageDSAit && is_entry_referral( e ) ) {
if ( !access_allowed( op, e, slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL ) )
{
rs->sr_err = LDAP_NO_SUCH_OBJECT;
} else {
rs->sr_ref = get_entry_referrals( op, e );
rs->sr_err = LDAP_REFERRAL;
rs->sr_matched = e->e_name.bv_val;
}
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, 0, 0 );
send_ldap_result( op, rs );
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
rs->sr_matched = NULL;
goto done;
}
rs->sr_err = slap_compare_entry( op, e, op->orc_ava );
return_results:
send_ldap_result( op, rs );
switch ( rs->sr_err ) {
case LDAP_COMPARE_FALSE:
case LDAP_COMPARE_TRUE:
rs->sr_err = LDAP_SUCCESS;
break;
}
done:
if ( e != NULL ) {
bdb_cache_return_entry_r( bdb, e, &lock );
}
return rs->sr_err;
}