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UEFIDump 0.1.0 for Windows

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- Linux and OSX will be done in next commit
This commit is contained in:
Nikolaj Schlej 2016-07-09 08:31:08 +02:00
parent 9045fc6cc0
commit 7bae8e040c
7 changed files with 135 additions and 112 deletions
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161
UEFIDump/uefidump.cpp
View File

@ -11,8 +11,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*/
#include <windows.h>
#include "uefidump.h"
#include "../common/ffs.h"
#include <iostream>
@ -20,16 +18,29 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <sstream>
#include <iomanip>
USTATUS UEFIDumper::dump(const UByteArray & buffer, const std::wstring & inPath, const std::wstring & guid)
{
//TODO: rework to support relative paths
std::wstring path = std::wstring(inPath).append(L".dump2");
path = L"\\\\?\\" + path;
std::wstring reportPath = std::wstring(inPath).append(L".report2.txt");
reportPath = L"\\\\?\\" + reportPath;
std::wcout << L"Dump path: " << path << std::endl;
std::wcout << L"Report path: " << reportPath << std::endl;
#ifdef WIN32
#include <direct.h>
#include <sys/stat.h>
bool isExistOnFs(const UString & path) {
struct _stat buf;
return (_stat((const char*)path.toLocal8Bit(), &buf) == 0);
}
bool makeDirectory(const UString & dir) {
return (_mkdir((const char*)dir.toLocal8Bit()) == 0);
}
bool changeDirectory(const UString & dir) {
return (_chdir((const char*)dir.toLocal8Bit()) == 0);
}
#else
#endif
USTATUS UEFIDumper::dump(const UByteArray & buffer, const UString & inPath, const UString & guid)
{
UString path = UString(inPath) + UString(".dump");
UString reportPath = UString(inPath) + UString(".report.txt");
if (initialized) {
// Check if called with a different buffer as before
@ -99,8 +110,19 @@ USTATUS UEFIDumper::dump(const UByteArray & buffer, const std::wstring & inPath,
initialized = true;
}
// Check for dump directory existence
if (isExistOnFs(path))
return U_DIR_ALREADY_EXIST;
// Create dump directory and cd to it
if (!makeDirectory(path))
return U_DIR_CREATE;
if (!changeDirectory(path))
return U_DIR_CHANGE;
dumped = false;
UINT8 result = recursiveDump(model.index(0,0), path, guid);
UINT8 result = recursiveDump(model.index(0,0));
if (result)
return result;
else if (!dumped)
@ -109,77 +131,42 @@ USTATUS UEFIDumper::dump(const UByteArray & buffer, const std::wstring & inPath,
return U_SUCCESS;
}
std::wstring UEFIDumper::guidToWstring(const EFI_GUID & guid)
{
std::wstringstream ws;
ws << std::hex << std::uppercase << std::setfill(L'0');
ws << std::setw(8) << *(const UINT32*)&guid.Data[0] << L"-";
ws << std::setw(4) << *(const UINT16*)&guid.Data[4] << L"-";
ws << std::setw(4) << *(const UINT16*)&guid.Data[6] << L"-";
ws << std::setw(2) << guid.Data[8];
ws << std::setw(2) << guid.Data[9] << L"-";
ws << std::setw(2) << guid.Data[10];
ws << std::setw(2) << guid.Data[11];
ws << std::setw(2) << guid.Data[12];
ws << std::setw(2) << guid.Data[13];
ws << std::setw(2) << guid.Data[14];
ws << std::setw(2) << guid.Data[15];
return ws.str();
}
bool UEFIDumper::createFullPath(const std::wstring & path) {
// Break the path into parent\current, assuming the path is already full and converted into Windows native "\\?\" format
size_t pos = path.find_last_of(L'\\');
// Slash is not found, it's a bug
if (pos == path.npos)
return FALSE;
std::wstring parent = path.substr(0, pos);
std::wstring current = path.substr(pos + 1);
// Check if first exist, if so, create last and return true
UINT32 attributes = GetFileAttributesW(parent.c_str());
if ((attributes != INVALID_FILE_ATTRIBUTES) && (attributes & FILE_ATTRIBUTE_DIRECTORY)) {
// first is already exist, just create last
return CreateDirectoryW(path.c_str(), NULL) != 0;
}
// Perform recursive call
if (createFullPath(parent))
return CreateDirectoryW(path.c_str(), NULL) != 0;
return FALSE;
}
USTATUS UEFIDumper::recursiveDump(const UModelIndex & index, const std::wstring & path, const std::wstring & guid)
USTATUS UEFIDumper::recursiveDump(const UModelIndex & index)
{
if (!index.isValid())
return U_INVALID_PARAMETER;
UByteArray itemHeader = model.header(index);
UByteArray fileHeader = model.header(model.findParentOfType(index, Types::File));
//UByteArray itemHeader = model.header(index);
//UByteArray fileHeader = model.header(model.findParentOfType(index, Types::File));
if (guid.length() == 0 ||
(itemHeader.size() >= sizeof (EFI_GUID) && guidToWstring(*(const EFI_GUID*)itemHeader.constData()) == guid) ||
(fileHeader.size() >= sizeof(EFI_GUID) && guidToWstring(*(const EFI_GUID*)fileHeader.constData()) == guid)) {
//if (guid.length() == 0 ||
// (itemHeader.size() >= sizeof (EFI_GUID) && guidToUString(*(const EFI_GUID*)itemHeader.constData()) == guid) ||
// (fileHeader.size() >= sizeof(EFI_GUID) && guidToUString(*(const EFI_GUID*)fileHeader.constData()) == guid)) {
if (SetCurrentDirectoryW(path.c_str()))
return U_DIR_ALREADY_EXIST;
// Construct file name
UString orgName = uniqueItemName(index);
UString name = orgName;
bool nameFound = false;
for (int i = 0; i < 0x10000; ++i) {
if (isExistOnFs(name)) {
name = orgName + UString("_") + usprintf("%04X", i);
}
else {
nameFound = true;
break;
}
}
if (!nameFound)
return U_INVALID_PARAMETER; //TODO: replace with proper errorCode
if (!createFullPath(path))
return U_DIR_CREATE;
//if (model.rowCount(index) == 0) {
// Add header and body only for leaf sections
if (model.rowCount(index) == 0) {
// Header
UByteArray data = model.header(index);
if (!data.isEmpty()) {
std::ofstream file;
std::wstring name = path + std::wstring(L"\\header.bin");
file.open(name, std::ios::out | std::ios::binary);
std::string str = std::string((const char*)name) + std::string("_header.bin");
file.open(str, std::ios::out | std::ios::binary);
file.write(data.constData(), data.size());
file.close();
}
@ -188,12 +175,12 @@ USTATUS UEFIDumper::recursiveDump(const UModelIndex & index, const std::wstring
data = model.body(index);
if (!data.isEmpty()) {
std::ofstream file;
std::wstring name = path + std::wstring(L"\\body.bin");
file.open(name, std::ios::out | std::ios::binary);
std::string str = std::string((const char*)name) + std::string("_body.bin");
file.open(str, std::ios::out | std::ios::binary);
file.write(data.constData(), data.size());
file.close();
}
//}
}
// Info
UString info = "Type: " + itemTypeToUString(model.type(index)) + "\n" +
"Subtype: " + itemSubtypeToUString(model.type(index), model.subtype(index)) + "\n";
@ -202,30 +189,18 @@ USTATUS UEFIDumper::recursiveDump(const UModelIndex & index, const std::wstring
info += model.info(index) + "\n";
std::ofstream file;
std::wstring name = path + std::wstring(L"\\info.txt");
file.open(name, std::ios::out);
std::string str = std::string((const char*)name) + std::string("_info.txt");
file.open(str, std::ios::out);
file.write((const char*)info, info.length());
file.close();
dumped = true;
}
//}
// Process child items
UINT8 result;
for (int i = 0; i < model.rowCount(index); i++) {
UModelIndex childIndex = index.child(i, 0);
bool useText = false;
if (model.type(childIndex) != Types::Volume)
useText = (model.text(childIndex).length() > 0);
UString name = useText ? (const char *)model.text(childIndex) : (const char *)model.name(childIndex);
std::string sName = std::string((const char*)name, name.length());
std::wstring childPath = path + std::wstring(L"\\") + std::to_wstring(i) + std::wstring(L" ") + std::wstring(sName.begin(), sName.end());
// Workaround for paths with dot at the end, just add remove it
if (childPath.at(childPath.length() - 1) == L'.')
childPath.pop_back();
result = recursiveDump(childIndex, childPath, guid);
result = recursiveDump(index.child(i, 0));
if (result)
return result;
}

8
UEFIDump/uefidump.h
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@ -14,8 +14,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#ifndef UEFIDUMP_H
#define UEFIDUMP_H
#include <string>
#include "../common/basetypes.h"
#include "../common/ustring.h"
#include "../common/treemodel.h"
@ -30,12 +28,10 @@ public:
explicit UEFIDumper() : model(), ffsParser(&model), ffsReport(&model), fitParser(&model), currentBuffer(), initialized(false), dumped(false) {}
~UEFIDumper() {}
USTATUS dump(const UByteArray & buffer, const std::wstring & path, const std::wstring & guid = std::wstring());
USTATUS dump(const UByteArray & buffer, const UString & path, const UString & guid = UString());
private:
USTATUS recursiveDump(const UModelIndex & root, const std::wstring & path, const std::wstring & guid);
std::wstring guidToWstring(const EFI_GUID & guid);
bool createFullPath(const std::wstring & path);
USTATUS recursiveDump(const UModelIndex & root);
TreeModel model;
FfsParser ffsParser;

7
UEFIDump/uefidump_main.cpp
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@ -15,7 +15,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "uefidump.h"
int wmain(int argc, wchar_t *argv[])
int main(int argc, char *argv[])
{
if (argc > 32) {
std::cout << "Too many arguments" << std::endl;
@ -30,12 +30,11 @@ int wmain(int argc, wchar_t *argv[])
inputFile.close();
UEFIDumper uefidumper;
return (uefidumper.dump(buffer, std::wstring(argv[1])) != U_SUCCESS);
return (uefidumper.dump(buffer, UString(argv[1])) != U_SUCCESS);
}
else {
std::cout << "UEFIDump 0.1.0" << std::endl << std::endl
<< "Usage: UEFIExtract imagefile " << std::endl
<< "Return value is a bit mask where 0 at position N means that file with GUID_N was found and unpacked, 1 otherwise" << std::endl;
<< "Usage: UEFIDump imagefile" << std::endl;
return 1;
}

2
bstrlib/bstrwrap.h
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@ -362,7 +362,7 @@ struct CBString : public tagbstring {
int read (bNread readPtr, void * parm);
// QString compatibility methods
CBString toLocal8Bit() { return *this; }
CBString toLocal8Bit() const { return *this; }
bool isEmpty() const { return slen == 0; }
void clear() { *this = ""; }
CBString left(int len) const { return midstr(0, len); }

7
common/basetypes.h
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@ -53,9 +53,10 @@ typedef uint8_t USTATUS;
#define U_UNKNOWN_RELOCATION_TYPE 32
#define U_DIR_ALREADY_EXIST 33
#define U_DIR_CREATE 34
#define U_TRUNCATED_IMAGE 35
#define U_INVALID_CAPSULE 36
#define U_STORES_NOT_FOUND 37
#define U_DIR_CHANGE 35
#define U_TRUNCATED_IMAGE 36
#define U_INVALID_CAPSULE 37
#define U_STORES_NOT_FOUND 38
#define U_NOT_IMPLEMENTED 0xFF
// UDK porting definitions

49
common/utility.cpp
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@ -44,6 +44,54 @@ UByteArray parsingDataToUByteArray(const PARSING_DATA & pdata)
return UByteArray((const char*)&pdata, sizeof(PARSING_DATA));
}
// Returns unique name string based for tree item
UString uniqueItemName(const UModelIndex & index)
{
// Sanity check
if (!index.isValid())
return UString("Invalid index");
// Get model from index
const TreeModel* model = index.model();
// Get data from parsing data
PARSING_DATA pdata = parsingDataFromUModelIndex(index);
// Construct the name
UString itemName = model->name(index);
UString itemText = model->text(index);
// Default name
UString name = itemName;
switch (model->type(index)) {
case Types::Volume:
if (pdata.volume.hasExtendedHeader) name = guidToUString(pdata.volume.extendedHeaderGuid);
break;
case Types::NvarEntry:
case Types::VssEntry:
case Types::FsysEntry:
case Types::EvsaEntry:
case Types::FlashMapEntry:
case Types::File:
name = itemText.isEmpty() ? itemName : itemText;
break;
case Types::Section: {
// Get parent file name
UModelIndex fileIndex = model->findParentOfType(index, Types::File);
UString fileText = model->text(fileIndex);
name = fileText.isEmpty() ? model->name(fileIndex) : fileText;
// Append section subtype name
name += '_' + itemName;
} break;
}
name.findreplace(' ', '_');
name.findreplace('/', '_');
name.findreplace('-', '_');
return name;
}
// Returns text representation of error code
UString errorCodeToUString(UINT8 errorCode)
{
@ -88,6 +136,7 @@ UString errorCodeToUString(UINT8 errorCode)
case U_COMPLEX_BLOCK_MAP: return UString("Block map structure too complex for correct analysis");
case U_DIR_ALREADY_EXIST: return UString("Directory already exists");
case U_DIR_CREATE: return UString("Directory can't be created");
case U_DIR_CHANGE: return UString("Change directory failed");
//case U_UNKNOWN_PATCH_TYPE: return UString("Unknown patch type");
//case U_PATCH_OFFSET_OUT_OF_BOUNDS: return UString("Patch offset out of bounds");
//case U_INVALID_SYMBOL: return UString("Invalid symbol");

13
common/utility.h
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@ -25,22 +25,25 @@ PARSING_DATA parsingDataFromUModelIndex(const UModelIndex & index);
// Converts parsing data to byte array
UByteArray parsingDataToUByteArray(const PARSING_DATA & pdata);
// Returns unique name string based for tree item
UString uniqueItemName(const UModelIndex & index);
// Converts error code to UString
extern UString errorCodeToUString(UINT8 errorCode);
UString errorCodeToUString(UINT8 errorCode);
// Decompression routine
extern USTATUS decompress(const UByteArray & compressed, UINT8 & algorithm, UByteArray & decompressed, UByteArray & efiDecompressed);
USTATUS decompress(const UByteArray & compressed, UINT8 & algorithm, UByteArray & decompressed, UByteArray & efiDecompressed);
// Compression routine
//USTATUS compress(const UByteArray & decompressed, UByteArray & compressed, const UINT8 & algorithm);
// CRC32 calculation routine
extern UINT32 crc32(UINT32 initial, const UINT8* buffer, const UINT32 length);
UINT32 crc32(UINT32 initial, const UINT8* buffer, const UINT32 length);
// 8bit checksum calculation routine
extern UINT8 calculateChecksum8(const UINT8* buffer, UINT32 bufferSize);
UINT8 calculateChecksum8(const UINT8* buffer, UINT32 bufferSize);
// 16bit checksum calculation routine
extern UINT16 calculateChecksum16(const UINT16* buffer, UINT32 bufferSize);
UINT16 calculateChecksum16(const UINT16* buffer, UINT32 bufferSize);
#endif // UTILITY_H