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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/secureboot/common/errlud_secure.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2017 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/**
* @file errlud_secure.C
*
* @brief Implementation of classes to log SECUREBOOT FFDC
*/
#include <secureboot/service.H>
#include <secureboot/secure_reasoncodes.H>
#include "errlud_secure.H"
#include <kernel/bltohbdatamgr.H>
namespace SECUREBOOT
{
//------------------------------------------------------------------------------
// Enum defining MAGIC NUMBERS used for checks below
//------------------------------------------------------------------------------
enum {
PARSER_SIZEOF_SHA512_t = 64,
PARSER_SIZEOF_UINT32_t = 4,
PARSER_SIZEOF_UINT8_t = 1,
PARSER_SIZEOF_TARGET_HKH_SECTION = 69,
};
//------------------------------------------------------------------------------
// SECURE System HW Keys Hash User Details
//------------------------------------------------------------------------------
UdSystemHwKeyHash::UdSystemHwKeyHash(const SHA512_t i_hash)
{
// Set up Ud instance variables
iv_CompId = SECURE_COMP_ID;
iv_Version = SECURE_UDT_VERSION_1;
iv_SubSection = SECURE_UDT_SYSTEM_HW_KEY_HASH;
//***** Memory Layout *****
// 64 bytes : SHA512_t of Target HW Key Hash
static_assert(sizeof(SHA512_t) == PARSER_SIZEOF_SHA512_t, "Expected SHA512_t size is 64 bytes");
char * l_pBuf = reinterpret_cast<char *>(
reallocUsrBuf(sizeof(SHA512_t)) );
memcpy(l_pBuf, i_hash, sizeof(SHA512_t));
l_pBuf += sizeof(SHA512_t);
}
//------------------------------------------------------------------------------
UdSystemHwKeyHash::~UdSystemHwKeyHash()
{
}
//------------------------------------------------------------------------------
// SECURE Target HW Keys Hash User Details
//------------------------------------------------------------------------------
UdTargetHwKeyHash::UdTargetHwKeyHash(const TARGETING::Target * i_target,
const uint8_t i_side,
const SHA512_t i_hash)
{
// Set up Ud instance variables
iv_CompId = SECURE_COMP_ID;
iv_Version = SECURE_UDT_VERSION_1;
iv_SubSection = SECURE_UDT_TARGET_HW_KEY_HASH;
//***** Memory Layout *****
// 4 bytes : Target HUID
// 1 byte : SBE EEPROM (Primary or Backup)
// 64 bytes : SHA512_t of Target HW Key Hash
static_assert(sizeof(uint32_t)==PARSER_SIZEOF_UINT32_t, "Expected sizeof(uint32_t) is 4");
static_assert(sizeof(uint8_t)==PARSER_SIZEOF_UINT8_t, "Expected sizeof(uint8_t) is 1");
static_assert(sizeof(SHA512_t) == PARSER_SIZEOF_SHA512_t, "Expected SHA512_t size is 64 bytes");
static_assert((sizeof(uint32_t) + sizeof(uint8_t) + sizeof(SHA512_t)) == PARSER_SIZEOF_TARGET_HKH_SECTION,
"Expected Buffer length is 69 bytes");
char * l_pBuf = reinterpret_cast<char *>(
reallocUsrBuf(sizeof(uint32_t)
+sizeof(uint8_t)
+sizeof(SHA512_t)));
uint32_t tmp32 = 0;
uint8_t tmp8 = 0;
tmp32 = TARGETING::get_huid(i_target);
memcpy(l_pBuf, &tmp32, sizeof(tmp32));
l_pBuf += sizeof(tmp32);
tmp8 = static_cast<uint8_t>(i_side);
memcpy(l_pBuf, &tmp8, sizeof(tmp8));
l_pBuf += sizeof(tmp8);
memcpy(l_pBuf, i_hash, sizeof(SHA512_t));
l_pBuf += sizeof(SHA512_t);
}
//------------------------------------------------------------------------------
UdTargetHwKeyHash::~UdTargetHwKeyHash()
{
}
//------------------------------------------------------------------------------
// SECURE Security Settings User Details
//------------------------------------------------------------------------------
UdSecuritySettings::UdSecuritySettings()
{
// Set up Ud instance variables
iv_CompId = SECURE_COMP_ID;
iv_Version = SECURE_UDT_VERSION_1;
iv_SubSection = SECURE_UDT_SECURITY_SETTINGS;
char * l_pBuf = reinterpret_cast<char *>(reallocUsrBuf(
sizeof(detailsLayout)));
detailsLayout * l_pDetailsLayout = reinterpret_cast<detailsLayout *>(l_pBuf);
//***** Version SECURE_UDT_VERSION_1 Memory Layout *****
// 1 byte : Secure Access Bit
// 1 byte : Security Override
// 1 byte : Allow Attribute Overrides
l_pDetailsLayout->secAccessBit = 0xFF;
l_pDetailsLayout->secOverride = 0xFF;
l_pDetailsLayout->allowAttrOverride = 0xFF;
#ifndef __HOSTBOOT_RUNTIME
// Only check BlToHbData if it is valid, otherwise fields defaulted to 0xFF
if (g_BlToHbDataManager.isValid())
{
l_pDetailsLayout->secAccessBit = g_BlToHbDataManager.getSecureAccessBit();
l_pDetailsLayout->secOverride = g_BlToHbDataManager.getSecurityOverride();
l_pDetailsLayout->allowAttrOverride = g_BlToHbDataManager.getAllowAttrOverrides();
}
#endif
}
//------------------------------------------------------------------------------
UdSecuritySettings::~UdSecuritySettings()
{
}
} // end SECUREBOOT namespace
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