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Implement custom LZMA dictionary size support, fixes #154

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This commit is contained in:
vit9696 2018-12-30 18:37:27 +03:00
parent e6f84f9f7d
commit 4bee991c94
9 changed files with 93 additions and 33 deletions
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6
LZMA/LzmaCompress.c
View File

@ -64,7 +64,8 @@ LzmaCompress (
CONST UINT8 *Source,
UINT32 SourceSize,
UINT8 *Destination,
UINT32 *DestinationSize
UINT32 *DestinationSize,
UINT32 DictionarySize
)
{
SRes LzmaResult;
@ -79,8 +80,7 @@ LzmaCompress (
}
LzmaEncProps_Init(&props);
// TODO: need to detect this instead of hardcoding
props.dictSize = LZMA_DICTIONARY_SIZE;
props.dictSize = DictionarySize;
props.level = 9;
props.fb = 273;

5
LZMA/LzmaCompress.h
View File

@ -21,7 +21,7 @@
extern "C" {
#endif
#define LZMA_DICTIONARY_SIZE 0x800000
#define DEFAULT_LZMA_DICTIONARY_SIZE 0x800000
#define _LZMA_SIZE_OPT
EFI_STATUS
@ -30,7 +30,8 @@ extern "C" {
const UINT8 *Source,
UINT32 SourceSize,
UINT8 *Destination,
UINT32 *DestinationSize
UINT32 *DestinationSize,
UINT32 DictionarySize
);
#ifdef __cplusplus

67
ffsengine.cpp
View File

@ -1590,8 +1590,16 @@ UINT8 FfsEngine::parseSection(const QByteArray & section, QModelIndex & index, c
.arg(compressionTypeToQString(algorithm))
.hexarg(compressedSectionHeader->UncompressedLength).arg(compressedSectionHeader->UncompressedLength);
UINT32 dictionarySize = DEFAULT_LZMA_DICTIONARY_SIZE;
if (algorithm == COMPRESSION_ALGORITHM_LZMA) {
// Dictionary size is stored in bytes 1-4 of LZMA-compressed data
dictionarySize = *(UINT32*)(body.constData() + 1);
info += tr("\nLZMA dictionary size: %1h").hexarg(dictionarySize);
}
// Add tree item
index = model->addItem(Types::Section, sectionHeader->Type, algorithm, name, "", info, header, body, parent, mode);
model->setDictionarySize(index, dictionarySize);
// Show message
if (!parseCurrentSection)
@ -1632,6 +1640,8 @@ UINT8 FfsEngine::parseSection(const QByteArray & section, QModelIndex & index, c
.hexarg2(guidDefinedSectionHeader->Attributes, 4);
UINT8 algorithm = COMPRESSION_ALGORITHM_NONE;
UINT32 dictionarySize = DEFAULT_LZMA_DICTIONARY_SIZE;
// Check if section requires processing
if (guidDefinedSectionHeader->Attributes & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) {
// Tiano compressed section
@ -1664,6 +1674,10 @@ UINT8 FfsEngine::parseSection(const QByteArray & section, QModelIndex & index, c
if (algorithm == COMPRESSION_ALGORITHM_LZMA) {
info += tr("\nCompression type: LZMA");
info += tr("\nDecompressed size: %1h (%2)").hexarg(processed.length()).arg(processed.length());
// Dictionary size is stored in bytes 1-4 of LZMA-compressed data
dictionarySize = *(UINT32*)(body.constData() + 1);
info += tr("\nLZMA dictionary size: %1h").hexarg(dictionarySize);
}
else
info += tr("\nCompression type: unknown");
@ -1743,6 +1757,7 @@ UINT8 FfsEngine::parseSection(const QByteArray & section, QModelIndex & index, c
// Add tree item
index = model->addItem(Types::Section, sectionHeader->Type, algorithm, name, "", info, header, body, parent, mode);
model->setDictionarySize(index, dictionarySize);
// Show messages
if (msgUnknownGuid)
@ -2164,6 +2179,7 @@ UINT8 FfsEngine::create(const QModelIndex & index, const UINT8 type, const QByte
QByteArray created;
UINT8 result;
QModelIndex fileIndex;
UINT32 defaultDictionarySize = DEFAULT_LZMA_DICTIONARY_SIZE;
if (!index.isValid() || !index.parent().isValid())
return ERR_INVALID_PARAMETER;
@ -2344,18 +2360,21 @@ UINT8 FfsEngine::create(const QModelIndex & index, const UINT8 type, const QByte
sectionHeader->UncompressedLength = body.size();
// Set compression type
if (algorithm == COMPRESSION_ALGORITHM_NONE)
if (algorithm == COMPRESSION_ALGORITHM_NONE) {
sectionHeader->CompressionType = EFI_NOT_COMPRESSED;
else if (algorithm == COMPRESSION_ALGORITHM_EFI11 || algorithm == COMPRESSION_ALGORITHM_TIANO)
}
else if (algorithm == COMPRESSION_ALGORITHM_EFI11 || algorithm == COMPRESSION_ALGORITHM_TIANO) {
sectionHeader->CompressionType = EFI_STANDARD_COMPRESSION;
else if (algorithm == COMPRESSION_ALGORITHM_LZMA || algorithm == COMPRESSION_ALGORITHM_IMLZMA)
}
else if (algorithm == COMPRESSION_ALGORITHM_LZMA || algorithm == COMPRESSION_ALGORITHM_IMLZMA) {
sectionHeader->CompressionType = EFI_CUSTOMIZED_COMPRESSION;
}
else
return ERR_UNKNOWN_COMPRESSION_ALGORITHM;
// Compress body
QByteArray compressed;
result = compress(body, algorithm, compressed);
result = compress(body, algorithm, defaultDictionarySize, compressed);
if (result)
return result;
@ -2381,7 +2400,7 @@ UINT8 FfsEngine::create(const QModelIndex & index, const UINT8 type, const QByte
case EFI_SECTION_GUID_DEFINED:{
// Compress body
QByteArray compressed;
result = compress(body, algorithm, compressed);
result = compress(body, algorithm, defaultDictionarySize, compressed);
if (result)
return result;
@ -2843,7 +2862,7 @@ UINT8 FfsEngine::decompress(const QByteArray & compressedData, const UINT8 compr
}
}
UINT8 FfsEngine::compress(const QByteArray & data, const UINT8 algorithm, QByteArray & compressedData)
UINT8 FfsEngine::compress(const QByteArray & data, const UINT8 algorithm, const UINT32 dictionarySize, QByteArray & compressedData)
{
UINT8* compressed;
@ -2933,10 +2952,10 @@ UINT8 FfsEngine::compress(const QByteArray & data, const UINT8 algorithm, QByteA
case COMPRESSION_ALGORITHM_LZMA:
{
UINT32 compressedSize = 0;
if (LzmaCompress((const UINT8*)data.constData(), data.size(), NULL, &compressedSize) != ERR_BUFFER_TOO_SMALL)
if (LzmaCompress((const UINT8*)data.constData(), data.size(), NULL, &compressedSize, dictionarySize) != ERR_BUFFER_TOO_SMALL)
return ERR_CUSTOMIZED_COMPRESSION_FAILED;
compressed = new UINT8[compressedSize];
if (LzmaCompress((const UINT8*)data.constData(), data.size(), compressed, &compressedSize) != ERR_SUCCESS) {
if (LzmaCompress((const UINT8*)data.constData(), data.size(), compressed, &compressedSize, dictionarySize) != ERR_SUCCESS) {
delete[] compressed;
return ERR_CUSTOMIZED_COMPRESSION_FAILED;
}
@ -2953,10 +2972,10 @@ UINT8 FfsEngine::compress(const QByteArray & data, const UINT8 algorithm, QByteA
UINT32 headerSize = sizeOfSectionHeader(sectionHeader);
header = data.left(headerSize);
QByteArray newData = data.mid(headerSize);
if (LzmaCompress((const UINT8*)newData.constData(), newData.size(), NULL, &compressedSize) != ERR_BUFFER_TOO_SMALL)
if (LzmaCompress((const UINT8*)newData.constData(), newData.size(), NULL, &compressedSize, dictionarySize) != ERR_BUFFER_TOO_SMALL)
return ERR_CUSTOMIZED_COMPRESSION_FAILED;
compressed = new UINT8[compressedSize];
if (LzmaCompress((const UINT8*)newData.constData(), newData.size(), compressed, &compressedSize) != ERR_SUCCESS) {
if (LzmaCompress((const UINT8*)newData.constData(), newData.size(), compressed, &compressedSize, dictionarySize) != ERR_SUCCESS) {
delete[] compressed;
return ERR_CUSTOMIZED_COMPRESSION_FAILED;
}
@ -3919,21 +3938,29 @@ UINT8 FfsEngine::reconstructSection(const QModelIndex& index, const UINT32 base,
EFI_COMPRESSION_SECTION* compessionHeader = (EFI_COMPRESSION_SECTION*)header.data();
// Set new uncompressed size
compessionHeader->UncompressedLength = reconstructed.size();
// Compress new section body
QByteArray compressed;
result = compress(reconstructed, model->compression(index), compressed);
if (result)
return result;
// Correct compression type
if (model->compression(index) == COMPRESSION_ALGORITHM_NONE)
if (model->compression(index) == COMPRESSION_ALGORITHM_NONE) {
compessionHeader->CompressionType = EFI_NOT_COMPRESSED;
else if (model->compression(index) == COMPRESSION_ALGORITHM_LZMA || model->compression(index) == COMPRESSION_ALGORITHM_IMLZMA)
compessionHeader->CompressionType = EFI_CUSTOMIZED_COMPRESSION;
else if (model->compression(index) == COMPRESSION_ALGORITHM_EFI11 || model->compression(index) == COMPRESSION_ALGORITHM_TIANO)
}
else if (model->compression(index) == COMPRESSION_ALGORITHM_EFI11 || model->compression(index) == COMPRESSION_ALGORITHM_TIANO) {
compessionHeader->CompressionType = EFI_STANDARD_COMPRESSION;
}
else if (model->compression(index) == COMPRESSION_ALGORITHM_LZMA) {
compessionHeader->CompressionType = EFI_CUSTOMIZED_COMPRESSION;
}
else if (model->compression(index) == COMPRESSION_ALGORITHM_IMLZMA) {
compessionHeader->CompressionType = EFI_CUSTOMIZED_COMPRESSION;
}
else
return ERR_UNKNOWN_COMPRESSION_ALGORITHM;
// Compress new section body
QByteArray compressed;
result = compress(reconstructed, model->compression(index), model->dictionarySize(index), compressed);
if (result)
return result;
// Replace new section body
reconstructed = compressed;
}
@ -3941,7 +3968,7 @@ UINT8 FfsEngine::reconstructSection(const QModelIndex& index, const UINT32 base,
EFI_GUID_DEFINED_SECTION* guidDefinedHeader = (EFI_GUID_DEFINED_SECTION*)header.data();
// Compress new section body
QByteArray compressed;
result = compress(reconstructed, model->compression(index), compressed);
result = compress(reconstructed, model->compression(index), model->dictionarySize(index), compressed);
if (result)
return result;
// Check for authentication status valid attribute

2
ffsengine.h
View File

@ -76,7 +76,7 @@ public:
// Compression routines
UINT8 decompress(const QByteArray & compressed, const UINT8 compressionType, QByteArray & decompressedData, UINT8 * algorithm = NULL);
UINT8 compress(const QByteArray & data, const UINT8 algorithm, QByteArray & compressedData);
UINT8 compress(const QByteArray & data, const UINT8 algorithm, const UINT32 dictionarySize, QByteArray & compressedData);
// Construction routines
UINT8 reconstructImageFile(QByteArray &reconstructed);

11
treeitem.cpp
View File

@ -23,6 +23,7 @@ TreeItem::TreeItem(const UINT8 type, const UINT8 subtype, const UINT8 compressio
itemType(type),
itemSubtype(subtype),
itemCompression(compression),
itemDictionarySize(0),
itemName(name),
itemText(text),
itemInfo(info),
@ -198,6 +199,16 @@ UINT8 TreeItem::action() const
return itemAction;
}
UINT32 TreeItem::dictionarySize() const
{
return itemDictionarySize;
}
void TreeItem::setDictionarySize(const UINT32 dictionarySize)
{
itemDictionarySize = dictionarySize;
}
void TreeItem::setAction(const UINT8 action)
{
itemAction = action;

4
treeitem.h
View File

@ -72,12 +72,16 @@ public:
UINT8 compression() const;
UINT32 dictionarySize() const;
void setDictionarySize(const UINT32 dictionarySize);
private:
QList<TreeItem*> childItems;
UINT8 itemAction;
UINT8 itemType;
UINT8 itemSubtype;
UINT8 itemCompression;
UINT32 itemDictionarySize;
QString itemName;
QString itemText;
QString itemInfo;

18
treemodel.cpp
View File

@ -218,6 +218,14 @@ UINT8 TreeModel::compression(const QModelIndex &index) const
return item->compression();
}
UINT32 TreeModel::dictionarySize(const QModelIndex &index) const
{
if (!index.isValid())
return 0;
TreeItem *item = static_cast<TreeItem*>(index.internalPointer());
return item->dictionarySize();
}
void TreeModel::setSubtype(const QModelIndex & index, const UINT8 subtype)
{
if (!index.isValid())
@ -268,6 +276,16 @@ void TreeModel::setAction(const QModelIndex &index, const UINT8 action)
emit dataChanged(this->index(0, 0), index);
}
void TreeModel::setDictionarySize(const QModelIndex &index, const UINT32 dictionarySize)
{
if (!index.isValid())
return;
TreeItem *item = static_cast<TreeItem*>(index.internalPointer());
item->setDictionarySize(dictionarySize);
emit dataChanged(this->index(0, 0), index);
}
QModelIndex TreeModel::addItem(const UINT8 type, const UINT8 subtype, const UINT8 compression,
const QString & name, const QString & text, const QString & info,
const QByteArray & header, const QByteArray & body, const QModelIndex & parent, const UINT8 mode)

5
treemodel.h
View File

@ -47,7 +47,7 @@ public:
void setSubtype(const QModelIndex &index, const UINT8 subtype);
void setName(const QModelIndex &index, const QString &name);
void setText(const QModelIndex &index, const QString &text);
void setParsingData(const QModelIndex &index, const QByteArray &data);
void setDictionarySize(const QModelIndex &index, const UINT32 dictionarySize);
QString name(const QModelIndex &index) const;
QString text(const QModelIndex &index) const;
@ -58,10 +58,9 @@ public:
bool hasEmptyHeader(const QModelIndex &index) const;
QByteArray body(const QModelIndex &index) const;
bool hasEmptyBody(const QModelIndex &index) const;
QByteArray parsingData(const QModelIndex &index) const;
bool hasEmptyParsingData(const QModelIndex &index) const;
UINT8 action(const QModelIndex &index) const;
UINT8 compression(const QModelIndex &index) const;
UINT32 dictionarySize(const QModelIndex &index) const;
QModelIndex addItem(const UINT8 type, const UINT8 subtype = 0, const UINT8 compression = COMPRESSION_ALGORITHM_NONE,
const QString & name = QString(), const QString & text = QString(), const QString & info = QString(),

8
version.h
View File

@ -11,9 +11,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*/
#ifndef __VERSION_H__
#define __VERSION_H__
#ifndef VERSION_H
#define VERSION_H
#define PROGRAM_VERSION "0.25.1"
#define PROGRAM_VERSION "0.26.0"
#endif
#endif // VERSION_H