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/****************************************************************
* acm_null_hooks.c
*
* Copyright (C) 2005 IBM Corporation
*
* Author:
* Reiner Sailer <sailer@watson.ibm.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2 of the
* License.
*/
#include <acm/acm_hooks.h>
static int
null_init_domain_ssid(void **chwall_ssid, ssidref_t ssidref)
{
return ACM_OK;
}
static void
null_free_domain_ssid(void *chwall_ssid)
{
return;
}
static int
null_dump_binary_policy(u8 *buf, u16 buf_size)
{
return 0;
}
static int
null_set_binary_policy(u8 *buf, u16 buf_size)
{
return -1;
}
static int
null_dump_stats(u8 *buf, u16 buf_size)
{
/* no stats for NULL policy */
return 0;
}
/* now define the hook structure similarly to LSM */
struct acm_operations acm_null_ops = {
.init_domain_ssid = null_init_domain_ssid,
.free_domain_ssid = null_free_domain_ssid,
.dump_binary_policy = null_dump_binary_policy,
.set_binary_policy = null_set_binary_policy,
.dump_statistics = null_dump_stats,
/* domain management control hooks */
.pre_domain_create = NULL,
.post_domain_create = NULL,
.fail_domain_create = NULL,
.post_domain_destroy = NULL,
/* event channel control hooks */
.pre_eventchannel_unbound = NULL,
.fail_eventchannel_unbound = NULL,
.pre_eventchannel_interdomain = NULL,
.fail_eventchannel_interdomain = NULL,
/* grant table control hooks */
.pre_grant_map_ref = NULL,
.fail_grant_map_ref = NULL,
.pre_grant_setup = NULL,
.fail_grant_setup = NULL
};
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