rockbox/rbutil/rbutilqt/base/bootloaderinstallhex.cpp

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2008 by Dominik Riebeling
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <QtCore>
#include "bootloaderinstallbase.h"
#include "bootloaderinstallhex.h"
#include "utils.h"
#include "Logger.h"
#include "../../tools/iriver.h"
#include "../../tools/mkboot.h"
struct md5s {
const char* orig;
const char* patched;
};
struct md5s md5sums[] = {
#include "irivertools/h100sums.h"
{ nullptr, nullptr },
#include "irivertools/h120sums.h"
{ nullptr, nullptr },
#include "irivertools/h300sums.h"
{ nullptr, nullptr }
};
BootloaderInstallHex::BootloaderInstallHex(QObject *parent)
: BootloaderInstallBase(parent)
{
}
QString BootloaderInstallHex::ofHint()
{
return tr("Bootloader installation requires you to provide "
"a firmware file of the original firmware (hex file). "
"You need to download this file yourself due to legal "
"reasons. Please refer to the "
"<a href='http://www.rockbox.org/manual.shtml'>manual</a> and the "
"<a href='http://www.rockbox.org/wiki/IriverBoot"
"#Download_and_extract_a_recent_ve'>IriverBoot</a> wiki page on "
"how to obtain this file.<br/>"
"Press Ok to continue and browse your computer for the firmware "
"file.");
}
bool BootloaderInstallHex::install(void)
{
if(m_offile.isEmpty())
return false;
m_hashindex = -1;
// md5sum hex file
emit logItem(tr("checking MD5 hash of input file ..."), LOGINFO);
QByteArray filedata;
// read hex file into QByteArray
QFile file(m_offile);
file.open(QIODevice::ReadOnly);
filedata = file.readAll();
file.close();
QString hash = QCryptographicHash::hash(filedata,
QCryptographicHash::Md5).toHex();
LOG_INFO() << "hexfile hash:" << hash;
if(file.error() != QFile::NoError) {
emit logItem(tr("Could not verify original firmware file"), LOGERROR);
emit done(true);
return false;
}
// check hash and figure model from md5sum
int i = sizeof(md5sums) / sizeof(struct md5s);
m_model = 4;
// 3: h300, 2: h120, 1: h100, 0:invalid
while(i--) {
if(md5sums[i].orig == nullptr)
m_model--;
if(!qstrcmp(md5sums[i].orig, hash.toLatin1()))
break;
}
if(i < 0) {
emit logItem(tr("Firmware file not recognized."), LOGERROR);
return false;
}
else {
emit logItem(tr("MD5 hash ok"), LOGOK);
m_hashindex = i;
}
// check model agains download link.
QString match[] = {"", "h100", "h120", "h300"};
if(!m_blurl.path().contains(match[m_model])) {
emit logItem(tr("Firmware file doesn't match selected player."),
LOGERROR);
return false;
}
emit logItem(tr("Descrambling file"), LOGINFO);
m_descrambled.open();
int result;
result = iriver_decode(m_offile.toLatin1().data(),
m_descrambled.fileName().toLatin1().data(), FALSE, STRIP_NONE);
LOG_INFO() << "iriver_decode():" << result;
if(result < 0) {
emit logItem(tr("Error in descramble: %1").arg(scrambleError(result)), LOGERROR);
return false;
}
// download firmware from server
emit logItem(tr("Downloading bootloader file"), LOGINFO);
connect(this, &BootloaderInstallBase::downloadDone, this, &BootloaderInstallHex::installStage2);
downloadBlStart(m_blurl);
return true;
}
void BootloaderInstallHex::installStage2(void)
{
emit logItem(tr("Adding bootloader to firmware file"), LOGINFO);
QCoreApplication::processEvents();
// local temp file
QTemporaryFile tempbin;
tempbin.open();
QString tempbinName = tempbin.fileName();
tempbin.close();
// get temporary files filenames -- external tools need this.
m_descrambled.open();
QString descrambledName = m_descrambled.fileName();
m_descrambled.close();
m_tempfile.open();
QString tempfileName = m_tempfile.fileName();
m_tempfile.close();
int origin = 0;
switch(m_model) {
case 3:
origin = 0x3f0000;
break;
case 2:
case 1:
origin = 0x1f0000;
break;
default:
origin = 0;
break;
}
// iriver decode already done in stage 1
int result;
if((result = mkboot_iriver(descrambledName.toLocal8Bit().constData(),
tempfileName.toLocal8Bit().constData(),
tempbinName.toLocal8Bit().constData(), origin)) < 0)
{
QString error;
switch(result) {
case -1: error = tr("could not open input file"); break;
case -2: error = tr("reading header failed"); break;
case -3: error = tr("reading firmware failed"); break;
case -4: error = tr("can't open bootloader file"); break;
case -5: error = tr("reading bootloader file failed"); break;
case -6: error = tr("can't open output file"); break;
case -7: error = tr("writing output file failed"); break;
}
emit logItem(tr("Error in patching: %1").arg(error), LOGERROR);
emit done(true);
return;
}
QTemporaryFile targethex;
targethex.open();
QString targethexName = targethex.fileName();
if((result = iriver_encode(tempbinName.toLocal8Bit().constData(),
targethexName.toLocal8Bit().constData(), FALSE)) < 0)
{
emit logItem(tr("Error in scramble: %1").arg(scrambleError(result)), LOGERROR);
targethex.close();
emit done(true);
return;
}
// finally check the md5sum of the created file
QByteArray filedata;
filedata = targethex.readAll();
targethex.close();
QString hash = QCryptographicHash::hash(filedata,
QCryptographicHash::Md5).toHex();
LOG_INFO() << "created hexfile hash:" << hash;
emit logItem(tr("Checking modified firmware file"), LOGINFO);
if(hash != QString(md5sums[m_hashindex].patched)) {
emit logItem(tr("Error: modified file checksum wrong"), LOGERROR);
targethex.remove();
emit done(true);
return;
}
// finally copy file to player
if(!Utils::resolvePathCase(m_blfile).isEmpty()) {
emit logItem(tr("A firmware file is already present on player"), LOGERROR);
emit done(true);
return;
}
if(targethex.copy(m_blfile)) {
emit logItem(tr("Success: modified firmware file created"), LOGINFO);
}
else {
emit logItem(tr("Copying modified firmware file failed"), LOGERROR);
emit done(true);
return;
}
logInstall(LogAdd);
emit done(false);
return;
}
bool BootloaderInstallHex::uninstall(void)
{
emit logItem(tr("Uninstallation not possible, only installation info removed"), LOGINFO);
logInstall(LogRemove);
emit done(true);
return false;
}
BootloaderInstallBase::BootloaderType BootloaderInstallHex::installed(void)
{
return BootloaderUnknown;
}
BootloaderInstallBase::Capabilities BootloaderInstallHex::capabilities(void)
{
return (Install | NeedsOf);
}
QString BootloaderInstallHex::scrambleError(int err)
{
QString error;
switch(err) {
case -1: error = tr("Can't open input file"); break;
case -2: error = tr("Can't open output file"); break;
case -3: error = tr("invalid file: header length wrong"); break;
case -4: error = tr("invalid file: unrecognized header"); break;
case -5: error = tr("invalid file: \"length\" field wrong"); break;
case -6: error = tr("invalid file: \"length2\" field wrong"); break;
case -7: error = tr("invalid file: internal checksum error"); break;
case -8: error = tr("invalid file: \"length3\" field wrong"); break;
default: error = tr("unknown"); break;
}
return error;
}