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/*
* (C) Copyright 2017 Fuzhou Rockchip Electronics Co., Ltd
* Seth Liu 2017.03.01
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "RKBoot.h"
extern UINT CRC_32(PBYTE pData, UINT ulSize);
bool CRKBoot::GetRc4DisableFlag() {
return m_bRc4Disable;
}
bool CRKBoot::GetSignFlag() {
return m_bSignFlag;
}
DWORD CRKBoot::GetVersion() {
return m_version;
}
DWORD CRKBoot::GetMergeVersion() {
return m_mergeVersion;
}
STRUCT_RKTIME CRKBoot::GetReleaseTime() {
return m_releaseTime;
}
ENUM_RKDEVICE_TYPE CRKBoot::GetSupportDevice() {
return m_supportDevice;
}
UCHAR CRKBoot::GetEntry471Count() {
return m_471Count;
}
UCHAR CRKBoot::GetEntry472Count() {
return m_472Count;
}
UCHAR CRKBoot::GetEntryLoaderCount() {
return m_loaderCount;
}
bool CRKBoot::CrcCheck() {
UINT *pOldCrc, ulNewCrc;
pOldCrc = (UINT *)(m_BootData + (m_BootSize - 4));
ulNewCrc = CRC_32(m_BootData, m_BootSize - 4);
return (*pOldCrc == ulNewCrc) ? true : false;
}
bool CRKBoot::SaveEntryFile(
ENUM_RKBOOTENTRY type, UCHAR ucIndex, string fileName) {
DWORD dwOffset;
UCHAR ucCount, ucSize;
switch (type) {
case ENTRY471:
dwOffset = m_471Offset;
ucCount = m_471Count;
ucSize = m_471Size;
break;
case ENTRY472:
dwOffset = m_472Offset;
ucCount = m_472Count;
ucSize = m_472Size;
break;
case ENTRYLOADER:
dwOffset = m_loaderOffset;
ucCount = m_loaderCount;
ucSize = m_loaderSize;
break;
default:
return false;
}
if (ucIndex >= ucCount) {
return false;
}
PSTRUCT_RKBOOT_ENTRY pEntry;
pEntry = (PSTRUCT_RKBOOT_ENTRY)(m_BootData + dwOffset + (ucSize * ucIndex));
FILE *file = NULL;
file = fopen(fileName.c_str(), "wb+");
if (!file) {
return false;
}
fwrite(m_BootData + pEntry->dwDataOffset, 1, pEntry->dwDataSize, file);
fclose(file);
return true;
}
bool CRKBoot::GetEntryProperty(ENUM_RKBOOTENTRY type, UCHAR ucIndex,
DWORD &dwSize, DWORD &dwDelay, char *pName) {
DWORD dwOffset;
UCHAR ucCount, ucSize;
switch (type) {
case ENTRY471:
dwOffset = m_471Offset;
ucCount = m_471Count;
ucSize = m_471Size;
break;
case ENTRY472:
dwOffset = m_472Offset;
ucCount = m_472Count;
ucSize = m_472Size;
break;
case ENTRYLOADER:
dwOffset = m_loaderOffset;
ucCount = m_loaderCount;
ucSize = m_loaderSize; // LoaderʱѾ512
break;
default:
return false;
}
if (ucIndex >= ucCount) {
return false;
}
PSTRUCT_RKBOOT_ENTRY pEntry;
pEntry = (PSTRUCT_RKBOOT_ENTRY)(m_BootData + dwOffset + (ucSize * ucIndex));
dwDelay = pEntry->dwDataDelay;
dwSize = pEntry->dwDataSize;
if (pName) {
WCHAR_To_char(pEntry->szName, pName, 20);
}
return true;
}
bool CRKBoot::GetEntryData(ENUM_RKBOOTENTRY type, UCHAR ucIndex, PBYTE lpData) {
DWORD dwOffset;
UCHAR ucCount, ucSize;
switch (type) {
case ENTRY471:
dwOffset = m_471Offset;
ucCount = m_471Count;
ucSize = m_471Size;
break;
case ENTRY472:
dwOffset = m_472Offset;
ucCount = m_472Count;
ucSize = m_472Size;
break;
case ENTRYLOADER:
dwOffset = m_loaderOffset;
ucCount = m_loaderCount;
ucSize = m_loaderSize;
break;
default:
return false;
}
if (ucIndex >= ucCount) {
return false;
}
PSTRUCT_RKBOOT_ENTRY pEntry;
pEntry = (PSTRUCT_RKBOOT_ENTRY)(m_BootData + dwOffset + (ucSize * ucIndex));
memcpy(lpData, m_BootData + pEntry->dwDataOffset, pEntry->dwDataSize);
return true;
}
char CRKBoot::GetIndexByName(ENUM_RKBOOTENTRY type, char *pName) {
DWORD dwOffset;
UCHAR ucCount, ucSize;
switch (type) {
case ENTRY471:
dwOffset = m_471Offset;
ucCount = m_471Count;
ucSize = m_471Size;
break;
case ENTRY472:
dwOffset = m_472Offset;
ucCount = m_472Count;
ucSize = m_472Size;
break;
case ENTRYLOADER:
dwOffset = m_loaderOffset;
ucCount = m_loaderCount;
ucSize = m_loaderSize;
break;
default:
return -1;
}
for (UCHAR i = 0; i < ucCount; i++) {
PSTRUCT_RKBOOT_ENTRY pEntry;
pEntry = (PSTRUCT_RKBOOT_ENTRY)(m_BootData + dwOffset + (ucSize * i));
char szName[20];
WCHAR_To_char(pEntry->szName, szName, 20);
if (strcasecmp(pName, szName) == 0) {
return i;
}
}
return -1;
}
CRKBoot::~CRKBoot() {
if (m_BootData != NULL) {
delete[] m_BootData;
}
}
CRKBoot::CRKBoot(PBYTE lpBootData, DWORD dwBootSize, bool &bCheck) {
Rc4DisableFlag.setContainer(this);
Rc4DisableFlag.getter(&CRKBoot::GetRc4DisableFlag);
SignFlag.setContainer(this);
SignFlag.getter(&CRKBoot::GetSignFlag);
Version.setContainer(this);
Version.getter(&CRKBoot::GetVersion);
MergeVersion.setContainer(this);
MergeVersion.getter(&CRKBoot::GetMergeVersion);
ReleaseTime.setContainer(this);
ReleaseTime.getter(&CRKBoot::GetReleaseTime);
SupportDevice.setContainer(this);
SupportDevice.getter(&CRKBoot::GetSupportDevice);
Entry471Count.setContainer(this);
Entry471Count.getter(&CRKBoot::GetEntry471Count);
Entry472Count.setContainer(this);
Entry472Count.getter(&CRKBoot::GetEntry472Count);
EntryLoaderCount.setContainer(this);
EntryLoaderCount.getter(&CRKBoot::GetEntryLoaderCount);
bCheck = true;
if (lpBootData != NULL) {
m_BootData = lpBootData;
m_BootSize = dwBootSize;
bCheck = CrcCheck();
if (!bCheck) {
return;
}
PSTRUCT_RKBOOT_HEAD pBootHead;
pBootHead = (PSTRUCT_RKBOOT_HEAD)(m_BootData);
if ((pBootHead->uiTag != 0x544F4F42) &&
(pBootHead->uiTag != 0x2052444C)) {
bCheck = false;
return;
}
if (pBootHead->ucRc4Flag) {
m_bRc4Disable = true;
} else
m_bRc4Disable = false;
if (pBootHead->ucSignFlag == 'S') {
m_bSignFlag = true;
} else
m_bSignFlag = false;
m_version = pBootHead->dwVersion;
m_mergeVersion = pBootHead->dwMergeVersion;
m_BootHeadSize = pBootHead->usSize;
m_releaseTime.usYear = pBootHead->stReleaseTime.usYear;
m_releaseTime.ucMonth = pBootHead->stReleaseTime.ucMonth;
m_releaseTime.ucDay = pBootHead->stReleaseTime.ucDay;
m_releaseTime.ucHour = pBootHead->stReleaseTime.ucHour;
m_releaseTime.ucMinute = pBootHead->stReleaseTime.ucMinute;
m_releaseTime.ucSecond = pBootHead->stReleaseTime.ucSecond;
m_supportDevice = pBootHead->emSupportChip;
m_471Offset = pBootHead->dw471EntryOffset;
m_471Count = pBootHead->uc471EntryCount;
m_471Size = pBootHead->uc471EntrySize;
m_472Offset = pBootHead->dw472EntryOffset;
m_472Count = pBootHead->uc472EntryCount;
m_472Size = pBootHead->uc472EntrySize;
m_loaderOffset = pBootHead->dwLoaderEntryOffset;
m_loaderCount = pBootHead->ucLoaderEntryCount;
m_loaderSize = pBootHead->ucLoaderEntrySize;
memcpy(m_crc, m_BootData + (m_BootSize - 4), 4);
} else {
bCheck = false;
m_BootData = NULL;
}
}
void CRKBoot::WCHAR_To_wchar(WCHAR *src, wchar_t *dst, int len) {
int i;
memset(dst, 0, len * sizeof(wchar_t));
for (i = 0; i < len; i++) {
memcpy(dst, src, 2);
src++;
dst++;
}
}
void CRKBoot::WCHAR_To_char(WCHAR *src, char *dst, int len) {
int i;
memset(dst, 0, len * sizeof(char));
for (i = 0; i < len; i++) {
memcpy(dst, src, 1);
src++;
dst++;
}
}
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