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Implement LZMAF86 support

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references #197
This commit is contained in:
vit9696 2020-03-06 23:54:20 +03:00
parent 6fdc69415b
commit 0f2ede398d
9 changed files with 84 additions and 10 deletions
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1
UEFIExtract/CMakeLists.txt
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@ -20,6 +20,7 @@ SET(PROJECT_SOURCES
../common/treemodel.cpp
../common/utility.cpp
../common/LZMA/LzmaDecompress.c
../common/LZMA/SDK/C/Bra86.c
../common/LZMA/SDK/C/LzmaDec.c
../common/Tiano/EfiTianoDecompress.c
../common/ustring.cpp

1
UEFIFind/CMakeLists.txt
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@ -19,6 +19,7 @@ SET(PROJECT_SOURCES
../common/treemodel.cpp
../common/utility.cpp
../common/LZMA/LzmaDecompress.c
../common/LZMA/SDK/C/Bra86.c
../common/LZMA/SDK/C/LzmaDec.c
../common/Tiano/EfiTianoDecompress.c
../common/ustring.cpp

1
UEFITool/uefitool.pro
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@ -86,6 +86,7 @@ SOURCES += uefitool_main.cpp \
../common/treemodel.cpp \
../common/LZMA/LzmaCompress.c \
../common/LZMA/LzmaDecompress.c \
../common/LZMA/SDK/C/Bra86.c \
../common/LZMA/SDK/C/LzFind.c \
../common/LZMA/SDK/C/LzmaDec.c \
../common/LZMA/SDK/C/LzmaEnc.c \

1
common/LZMA/LzmaDecompress.h
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@ -16,6 +16,7 @@
#include "../basetypes.h"
#include "SDK/C/LzmaDec.h"
#include "SDK/C/Bra.h"
#ifdef __cplusplus
extern "C" {

4
common/basetypes.h
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@ -132,7 +132,9 @@ typedef ptrdiff_t INTN;
#define COMPRESSION_ALGORITHM_UNDECIDED 4
#define COMPRESSION_ALGORITHM_LZMA 5
#define COMPRESSION_ALGORITHM_LZMA_INTEL_LEGACY 6
#define COMPRESSION_ALGORITHM_GZIP 7
#define COMPRESSION_ALGORITHM_LZMAF86 7
#define COMPRESSION_ALGORITHM_GZIP 8
// Item create modes
#define CREATE_MODE_APPEND 0

7
common/ffs.h
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@ -453,9 +453,10 @@ typedef struct EFI_COMPRESSION_SECTION_APPLE_ {
} EFI_COMPRESSION_SECTION_APPLE;
// Compression types
#define EFI_NOT_COMPRESSED 0x00
#define EFI_STANDARD_COMPRESSION 0x01
#define EFI_CUSTOMIZED_COMPRESSION 0x02
#define EFI_NOT_COMPRESSED 0x00
#define EFI_STANDARD_COMPRESSION 0x01
#define EFI_CUSTOMIZED_COMPRESSION 0x02
#define EFI_CUSTOMIZED_COMPRESSION_LZMAF86 0x86
//GUID defined section
typedef struct EFI_GUID_DEFINED_SECTION_ {

20
common/ffsparser.cpp
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@ -2762,7 +2762,7 @@ USTATUS FfsParser::parseGuidedSectionBody(const UModelIndex & index)
info += usprintf("\nDecompressed size: %Xh (%u)", processed.size(), processed.size());
}
// LZMA compressed section
else if (baGuid == EFI_GUIDED_SECTION_LZMA || baGuid == EFI_GUIDED_SECTION_LZMAF86) {
else if (baGuid == EFI_GUIDED_SECTION_LZMA) {
USTATUS result = decompress(model->body(index), EFI_CUSTOMIZED_COMPRESSION, algorithm, dictionarySize, processed, efiDecompressed);
if (result) {
msg(usprintf("%s: decompression failed with error ", __FUNCTION__) + errorCodeToUString(result), index);
@ -2779,6 +2779,24 @@ USTATUS FfsParser::parseGuidedSectionBody(const UModelIndex & index)
parseCurrentSection = false;
}
}
// LZMAF86 compressed section
else if (baGuid == EFI_GUIDED_SECTION_LZMAF86) {
USTATUS result = decompress(model->body(index), EFI_CUSTOMIZED_COMPRESSION_LZMAF86, algorithm, dictionarySize, processed, efiDecompressed);
if (result) {
msg(usprintf("%s: decompression failed with error ", __FUNCTION__) + errorCodeToUString(result), index);
return U_SUCCESS;
}
if (algorithm == COMPRESSION_ALGORITHM_LZMAF86) {
info += UString("\nCompression algorithm: LZMAF86");
info += usprintf("\nDecompressed size: %Xh (%u)", processed.size(), processed.size());
info += usprintf("\nLZMA dictionary size: %Xh", dictionarySize);
}
else {
info += UString("\nCompression algorithm: unknown");
parseCurrentSection = false;
}
}
// GZip compressed section
else if (baGuid == EFI_GUIDED_SECTION_GZIP) {
USTATUS result = gzipDecompress(model->body(index), processed);

2
common/meparser.cpp
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@ -283,7 +283,7 @@ make_partition_table_consistent:
// Add tree item
UINT8 type = Subtypes::CodeFptPartition + partitions[i].ptEntry.Type;
partitionIndex = model->addItem(partitions[i].ptEntry.Offset, Types::FptPartition, type, name, UString(), info, UByteArray(), partition, UByteArray(), Fixed, parent);
if (type == Subtypes::CodeFptPartition && partition.size() >= sizeof(UINT32) && readUnaligned((const UINT32*)partition.constData()) == CPD_SIGNATURE) {
if (type == Subtypes::CodeFptPartition && partition.size() >= (int) sizeof(UINT32) && readUnaligned((const UINT32*)partition.constData()) == CPD_SIGNATURE) {
// Parse code partition contents
UModelIndex cpdIndex;
ffsParser->parseCpdRegion(partition, partitions[i].ptEntry.Offset, partitionIndex, cpdIndex);

57
common/utility.cpp
View File

@ -163,10 +163,11 @@ USTATUS decompress(const UByteArray & compressedData, const UINT8 compressionTyp
switch (compressionType)
{
case EFI_NOT_COMPRESSED:
case EFI_NOT_COMPRESSED: {
decompressedData = compressedData;
algorithm = COMPRESSION_ALGORITHM_NONE;
return U_SUCCESS;
}
case EFI_STANDARD_COMPRESSION: {
// Set default algorithm to unknown
algorithm = COMPRESSION_ALGORITHM_UNKNOWN;
@ -226,8 +227,8 @@ USTATUS decompress(const UByteArray & compressedData, const UINT8 compressionTyp
free(efiDecompressed);
free(scratch);
return result;
}
case EFI_CUSTOMIZED_COMPRESSION:
}
case EFI_CUSTOMIZED_COMPRESSION: {
// Set default algorithm to unknown
algorithm = COMPRESSION_ALGORITHM_UNKNOWN;
@ -271,12 +272,60 @@ USTATUS decompress(const UByteArray & compressedData, const UINT8 compressionTyp
decompressedData = UByteArray((const char*)decompressed, (int)decompressedSize);
free(decompressed);
return U_SUCCESS;
default:
}
case EFI_CUSTOMIZED_COMPRESSION_LZMAF86: {
// Set default algorithm to unknown
algorithm = COMPRESSION_ALGORITHM_UNKNOWN;
// Get buffer sizes
data = (const UINT8*)compressedData.constData();
dataSize = compressedData.size();
// Get info as normal LZMA section
if (U_SUCCESS != LzmaGetInfo(data, dataSize, &decompressedSize)) {
return U_CUSTOMIZED_DECOMPRESSION_FAILED;
}
algorithm = COMPRESSION_ALGORITHM_LZMAF86;
// Allocate memory
decompressed = (UINT8*)malloc(decompressedSize);
if (!decompressed) {
return U_OUT_OF_MEMORY;
}
// Decompress section data
if (U_SUCCESS != LzmaDecompress(data, dataSize, decompressed)) {
free(decompressed);
return U_CUSTOMIZED_DECOMPRESSION_FAILED;
}
if (decompressedSize > INT32_MAX) {
free(decompressed);
return U_CUSTOMIZED_DECOMPRESSION_FAILED;
}
// After LZMA decompression, the data need to be converted to the raw data.
UINT32 state = 0;
const UINT8 x86LookAhead = 4;
if (decompressedSize != x86LookAhead + x86_Convert(decompressed, decompressedSize, 0, &state, 0)) {
free(decompressed);
return U_CUSTOMIZED_DECOMPRESSION_FAILED;
}
dictionarySize = readUnaligned((UINT32*)(data + 1)); // LZMA dictionary size is stored in bytes 1-4 of LZMA properties header
decompressedData = UByteArray((const char*)decompressed, (int)decompressedSize);
free(decompressed);
return U_SUCCESS;
}
default: {
algorithm = COMPRESSION_ALGORITHM_UNKNOWN;
return U_UNKNOWN_COMPRESSION_TYPE;
}
}
}
// 8bit sum calculation routine
UINT8 calculateSum8(const UINT8* buffer, UINT32 bufferSize)
{