br_GFH_file_info.c
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2009
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*****************************************************************************
*
* Filename:
* ---------
* br_GFH_file_info.c
*
* Project:
* --------
* GFH
*
* Description:
* ------------
* FILE_INFO(the 1st GFH) GFH structure implementation
*
* Author:
* -------
* -------
*
****************************************************************************/
#include "br_sw_types.h"
#include "br_GFH.h"
#include "br_GFH_file_info.h"
#include "br_GFH_error.h"
#include <string.h>
//==============================================================================
// GFH: FILE_INFO exported APIs
//==============================================================================
U32 GFH_FILE_INFO_BasicCheck(const GFH_FILE_INFO_v1 * p_gfh_file_info)
{
// check if FILE_INFO exist
if( (GFH_HDR_MAGIC != GFH_GET_MAGIC(p_gfh_file_info->m_gfh_hdr.m_magic_ver))
|| (GFH_FILE_INFO != p_gfh_file_info->m_gfh_hdr.m_type)
|| strcmp(p_gfh_file_info->m_identifier, GFH_FILE_INFO_ID)
) {
return E_GFH_FILE_INFO_NOT_FOUND;
}
// check if content offset is valid
if( (0 == p_gfh_file_info->m_content_offset)
|| (GFH_MAX_CONTENT_OFFSET < p_gfh_file_info->m_content_offset)
) {
return E_GFH_FILE_INFO_INVALID_CONTENT_OFFSET;
}
// check file length vs content offset
if( (0 == p_gfh_file_info->m_file_len )
|| (GFH_MAX_FILE_LEN < p_gfh_file_info->m_file_len)
) {
return E_GFH_FILE_INFO_INVALID_FILE_LEN;
}
else if( p_gfh_file_info->m_content_offset > p_gfh_file_info->m_file_len )
{
return E_GFH_FILE_INFO_INVALID_CONTENT_OFFSET;
}
return B_OK;
}
U32 GFH_FILE_INFO_IsValid(const GFH_FILE_INFO_v1 * p_gfh_file_info)
{
GFH_SIG_TYPE sig_type;
U32 sig_len;
U32 status=B_OK;
//-------------------------------------------------------------------------------------
// WARNING!!! m_file_len, m_content_offset and sig_len must be validated here!
// Once FILE_INFO is found, these 3 fields will be assumed correct in other functions!
//-------------------------------------------------------------------------------------
// perform basic check
status = GFH_FILE_INFO_BasicCheck(p_gfh_file_info);
if( E_ERROR <= status )
{
return status;
}
#ifndef __GFH_SKIP_MAX_SIZE_CHECK__
// check max file size
if( (GFH_FILE_MAX_SIZE_IGNORED != p_gfh_file_info->m_max_size)
&& (p_gfh_file_info->m_max_size < p_gfh_file_info->m_file_len)
) {
return E_GFH_FILE_INFO_FILE_LEN_EXCEED_MAX_SIZE;
}
#endif
// check signature length
sig_type = p_gfh_file_info->m_sig_type;
sig_len = p_gfh_file_info->m_sig_len;
if( (SIG_NONE == sig_type) && (0 != sig_len) )
{
return E_GFH_FILE_INFO_INVALID_SIG_LEN;
}
else if( SIG_NONE != sig_type )
{
// check sig len
if( (0 == sig_len) ||
(p_gfh_file_info->m_file_len <= sig_len) ||
(p_gfh_file_info->m_content_offset > (p_gfh_file_info->m_file_len-sig_len))
) {
return E_GFH_FILE_INFO_INVALID_SIG_LEN;
}
}
// check jump offset
if( 0 != p_gfh_file_info->m_jump_offset )
{
// jump offset is activated, validate it
if( (p_gfh_file_info->m_content_offset > p_gfh_file_info->m_jump_offset)
|| ((p_gfh_file_info->m_file_len-sig_len) <= p_gfh_file_info->m_jump_offset)
) {
return E_GFH_FILE_INFO_INVALID_JUMP_OFFSET;
}
}
return B_OK;
}
#if defined(__GFH_UTIL__)
//==============================================================================
// Exported utility APIs
//==============================================================================
const char * __WIN32_STDCALL GFH_GetFileTypeName(GFH_FILE_TYPE file_type)
{
switch(file_type) {
BR_ENUM_TO_CASE_STRING(GFH_FILE_NONE)
BR_ENUM_TO_CASE_STRING(ARM_BL)
BR_ENUM_TO_CASE_STRING(ARM_EXT_BL)
BR_ENUM_TO_CASE_STRING(DUALMAC_DSP_BL)
BR_ENUM_TO_CASE_STRING(SCTRL_CERT)
BR_ENUM_TO_CASE_STRING(TOOL_AUTH)
BR_ENUM_TO_CASE_STRING(FILE_MTK_RESERVED1)
BR_ENUM_TO_CASE_STRING(EPP)
BR_ENUM_TO_CASE_STRING(FILE_MTK_RESERVED2)
BR_ENUM_TO_CASE_STRING(FILE_MTK_RESERVED3)
BR_ENUM_TO_CASE_STRING(ROOT_CERT)
BR_ENUM_TO_CASE_STRING(PRIMARY_MAUI)
BR_ENUM_TO_CASE_STRING(SECONDARY_MAUI)
BR_ENUM_TO_CASE_STRING(ON_DEMAND_PAGING)
BR_ENUM_TO_CASE_STRING(THIRD_ROM)
BR_ENUM_TO_CASE_STRING(DSP_ROM)
BR_ENUM_TO_CASE_STRING(CACHED_DSP_ROM)
BR_ENUM_TO_CASE_STRING(CUSTOM_PACK)
BR_ENUM_TO_CASE_STRING(LANGUAGE_PACK)
BR_ENUM_TO_CASE_STRING(JUMP_TABLE)
BR_ENUM_TO_CASE_STRING(FOTA_UE)
BR_ENUM_TO_CASE_STRING(SECURE_RO_S)
BR_ENUM_TO_CASE_STRING(SECURE_RO_ME)
BR_ENUM_TO_CASE_STRING(CARD_DOWNLOAD_PACKAGE)
BR_ENUM_TO_CASE_STRING(CONFIDENTIAL_BINARY)
BR_ENUM_TO_CASE_STRING(FILE_SYSTEM)
BR_ENUM_TO_CASE_STRING(BOOT_CERT_CTRL)
default:
return "UNKNOWN";
}
}
const char * __WIN32_STDCALL GFH_GetFlashDevName(GFH_FLASH_DEV flash_type)
{
switch(flash_type) {
BR_ENUM_TO_CASE_STRING(FLASH_DEV_NONE)
BR_ENUM_TO_CASE_STRING(F_NOR)
BR_ENUM_TO_CASE_STRING(F_NAND_SEQUENTIAL)
BR_ENUM_TO_CASE_STRING(F_NAND_TTBL)
BR_ENUM_TO_CASE_STRING(F_NAND_FDM50)
BR_ENUM_TO_CASE_STRING(F_SPI_NAND_SEQUENTIAL)
BR_ENUM_TO_CASE_STRING(F_SPI_NAND_TTBL)
BR_ENUM_TO_CASE_STRING(F_SPI_NAND_FDM50)
BR_ENUM_TO_CASE_STRING(F_EMMC_BOOT_REGION)
BR_ENUM_TO_CASE_STRING(F_EMMC_DATA_REGION)
BR_ENUM_TO_CASE_STRING(F_SF)
default:
return "UNKNOWN";
}
}
const char * __WIN32_STDCALL GFH_GetSigTypeName(GFH_SIG_TYPE sig_type)
{
switch(sig_type) {
BR_ENUM_TO_CASE_STRING(SIG_NONE)
BR_ENUM_TO_CASE_STRING(SIG_PHASH)
BR_ENUM_TO_CASE_STRING(SIG_SINGLE)
BR_ENUM_TO_CASE_STRING(SIG_SINGLE_AND_PHASH)
BR_ENUM_TO_CASE_STRING(SIG_MULTI)
default:
return "UNKNOWN";
}
}
#endif