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// SPDX-License-Identifier: BSD-2-Clause
/*
* Copyright (c) 2014, Linaro Limited
* All rights reserved.
*/
#include <assert.h>
#include <kernel/panic.h>
#include <stdlib.h>
#include <string.h>
#include <tee_api_types.h>
#include <trace.h>
#include <tee/se/aid.h>
#include <tee/se/util.h>
#include "aid_priv.h"
TEE_Result tee_se_aid_create(const char *name, struct tee_se_aid **aid)
{
size_t str_length = strlen(name);
size_t aid_length = str_length / 2;
assert(aid);
if (*aid)
panic("aid already allocated");
if (str_length < MIN_AID_LENGTH || str_length > MAX_AID_LENGTH)
return TEE_ERROR_BAD_PARAMETERS;
*aid = malloc(sizeof(struct tee_se_aid));
if (!(*aid))
return TEE_ERROR_OUT_OF_MEMORY;
hex_decode(name, str_length, (*aid)->aid);
(*aid)->length = aid_length;
(*aid)->refcnt = 1;
return TEE_SUCCESS;
}
TEE_Result tee_se_aid_create_from_buffer(uint8_t *id, size_t length,
struct tee_se_aid **aid)
{
*aid = malloc(sizeof(struct tee_se_aid));
if (!(*aid))
return TEE_ERROR_OUT_OF_MEMORY;
memcpy((*aid)->aid, id, length);
(*aid)->length = length;
(*aid)->refcnt = 1;
return TEE_SUCCESS;
}
void tee_se_aid_acquire(struct tee_se_aid *aid)
{
assert(aid);
aid->refcnt++;
}
int tee_se_aid_get_refcnt(struct tee_se_aid *aid)
{
assert(aid);
return aid->refcnt;
}
void tee_se_aid_release(struct tee_se_aid *aid)
{
assert(aid);
if (aid->refcnt <= 0)
panic();
aid->refcnt--;
if (!aid->refcnt)
free(aid);
}
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