mirror of
https://github.com/LongSoft/UEFITool.git
synced 2024-11-22 07:58:22 +08:00
146 lines
4.3 KiB
C++
146 lines
4.3 KiB
C++
/* uefifind.cpp
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Copyright (c) 2014, Nikolaj Schlej. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*/
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#include "uefifind.h"
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UEFIFind::UEFIFind(QObject *parent) :
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QObject(parent)
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{
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ffsEngine = new FfsEngine(this);
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model = ffsEngine->treeModel();
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initDone = false;
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}
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UEFIFind::~UEFIFind()
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{
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model = NULL;
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delete ffsEngine;
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}
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UINT8 UEFIFind::init(const QString & path)
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{
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UINT8 result;
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fileInfo = QFileInfo(path);
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if (!fileInfo.exists())
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return ERR_FILE_OPEN;
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QFile inputFile;
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inputFile.setFileName(path);
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if (!inputFile.open(QFile::ReadOnly))
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return ERR_FILE_OPEN;
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QByteArray buffer = inputFile.readAll();
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inputFile.close();
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result = ffsEngine->parseImageFile(buffer);
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if (result)
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return result;
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initDone = true;
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return ERR_SUCCESS;
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}
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UINT8 UEFIFind::find(const UINT8 mode, const bool count, const QString & hexPattern, QString & result)
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{
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QModelIndex root = model->index(0, 0);
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QSet<QModelIndex> files;
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result.clear();
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UINT8 returned = findFileRecursive(root, hexPattern, mode, files);
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if (returned)
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return returned;
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if (count) {
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if (files.count())
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result.append(QString("%1\n").arg(files.count()));
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return ERR_SUCCESS;
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}
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QModelIndex index;
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Q_FOREACH(index, files) {
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QByteArray data = model->header(index).left(16);
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UINT32 u32 = *(UINT32*)data.constData();
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UINT16 u16_1 = *(UINT16*)(data.constData() + 4);
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UINT16 u16_2 = *(UINT16*)(data.constData() + 6);
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UINT8 u8_1 = *(UINT8*)(data.constData() + 8);
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UINT8 u8_2 = *(UINT8*)(data.constData() + 9);
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UINT8 u8_3 = *(UINT8*)(data.constData() + 10);
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UINT8 u8_4 = *(UINT8*)(data.constData() + 11);
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UINT8 u8_5 = *(UINT8*)(data.constData() + 12);
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UINT8 u8_6 = *(UINT8*)(data.constData() + 13);
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UINT8 u8_7 = *(UINT8*)(data.constData() + 14);
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UINT8 u8_8 = *(UINT8*)(data.constData() + 15);
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QString guid = QString("%1-%2-%3-%4%5-%6%7%8%9%10%11\n").hexarg(u32, 8).hexarg(u16_1, 4).hexarg(u16_2, 4).hexarg(u8_1, 2).hexarg(u8_2, 2)
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.hexarg(u8_3, 2).hexarg(u8_4, 2).hexarg(u8_5, 2).hexarg(u8_6, 2).hexarg(u8_7, 2).hexarg(u8_8, 2);
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result.append(guid);
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}
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return ERR_SUCCESS;
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}
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UINT8 UEFIFind::findFileRecursive(const QModelIndex index, const QString & hexPattern, const UINT8 mode, QSet<QModelIndex> & files)
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{
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if (!index.isValid())
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return ERR_SUCCESS;
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if (hexPattern.isEmpty())
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return ERR_INVALID_PARAMETER;
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// Check for "all substrings" pattern
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if (hexPattern.count('.') == hexPattern.length())
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return ERR_SUCCESS;
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bool hasChildren = (model->rowCount(index) > 0);
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for (int i = 0; i < model->rowCount(index); i++) {
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findFileRecursive(index.child(i, index.column()), hexPattern, mode, files);
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}
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QByteArray data;
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if (hasChildren) {
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if (mode == SEARCH_MODE_HEADER || mode == SEARCH_MODE_ALL)
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data.append(model->header(index));
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}
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else {
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if (mode == SEARCH_MODE_HEADER)
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data.append(model->header(index));
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else if (mode == SEARCH_MODE_BODY)
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data.append(model->body(index));
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else
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data.append(model->header(index)).append(model->body(index)).append(model->tail(index));
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}
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QString hexBody = QString(data.toHex());
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QRegExp regexp = QRegExp(QString(hexPattern), Qt::CaseInsensitive);
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INT32 offset = regexp.indexIn(hexBody);
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while (offset >= 0) {
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if (offset % 2 == 0) {
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if (model->type(index) != Types::File) {
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QModelIndex ffs = model->findParentOfType(index, Types::File);
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files.insert(ffs);
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}
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else
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files.insert(index);
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break;
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}
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offset = regexp.indexIn(hexBody, offset + 1);
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}
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return ERR_SUCCESS;
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} |