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Windows: Remove unused method ReadEfiConfig

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This commit is contained in:
Mounir IDRASSI
2017-06-11 12:52:06 +02:00
parent 5822ae2b1b
commit 5c9aff0c54
9 changed files with 13 additions and 111 deletions
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28
src/Common/BaseCom.cpp
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@@ -400,34 +400,6 @@ DWORD BaseCom::GetEfiBootDeviceNumber (BSTR* pSdn)
return ERROR_SUCCESS;
}
DWORD BaseCom::ReadEfiConfig (BSTR filename, BSTR* pContent, DWORD *pcbRead)
{
if (!pContent || !(*pContent))
return ERROR_INVALID_PARAMETER;
try
{
DWORD maxSize = ((DWORD *) ((BYTE *) *pContent))[-1];
BootEncryption bootEnc (NULL);
bootEnc.ReadEfiConfig (filename, (byte*) *pContent, maxSize, pcbRead);
}
catch (SystemException &)
{
return GetLastError();
}
catch (Exception &e)
{
e.Show (NULL);
return ERROR_EXCEPTION_IN_SERVICE;
}
catch (...)
{
return ERROR_EXCEPTION_IN_SERVICE;
}
return ERROR_SUCCESS;
}
DWORD BaseCom::WriteEfiBootSectorUserConfig (DWORD userConfig, BSTR customUserMessage, int pim, int hashAlg)
{
if (!customUserMessage)

1
src/Common/BaseCom.h
View File

@@ -116,7 +116,6 @@ public:
static DWORD BackupEfiSystemLoader ();
static DWORD RestoreEfiSystemLoader ();
static DWORD GetEfiBootDeviceNumber (BSTR* pSdn);
static DWORD ReadEfiConfig (BSTR filename, BSTR* pContent, DWORD *pcbRead);
static DWORD WriteEfiBootSectorUserConfig (DWORD userConfig, BSTR customUserMessage, int pim, int hashAlg);
};

53
src/Common/BootEncryption.cpp
View File

@@ -372,29 +372,6 @@ namespace VeraCrypt
}
}
static void ReadEfiConfig (const wchar_t *filename, byte* confContent, DWORD maxSize, DWORD* pcbRead)
{
Elevate();
CComBSTR outputBstr;
if (confContent && outputBstr.AppendBytes ((const char *) confContent, maxSize) != S_OK)
{
SetLastError (ERROR_INVALID_PARAMETER);
throw SystemException(SRC_POS);
}
BSTR bstrfn = W2BSTR(filename);
DWORD result = ElevatedComInstance->ReadEfiConfig (bstrfn, &outputBstr, pcbRead);
if (confContent)
memcpy (confContent, *(void **) &outputBstr, maxSize);
if (result != ERROR_SUCCESS)
{
SetLastError (result);
throw SystemException(SRC_POS);
}
}
static void WriteEfiBootSectorUserConfig (byte userConfig, const string &customUserMessage, int pim, int hashAlg)
{
Elevate();
@@ -492,7 +469,6 @@ namespace VeraCrypt
static void BackupEfiSystemLoader () { throw ParameterIncorrect (SRC_POS); }
static void RestoreEfiSystemLoader () { throw ParameterIncorrect (SRC_POS); }
static void GetEfiBootDeviceNumber (PSTORAGE_DEVICE_NUMBER pSdn) { throw ParameterIncorrect (SRC_POS); }
static void ReadEfiConfig (const wchar_t *filename, byte* confContent, DWORD maxSize, DWORD* pcbRead) { throw ParameterIncorrect (SRC_POS); }
static void WriteEfiBootSectorUserConfig (byte userConfig, const string &customUserMessage, int pim, int hashAlg) { throw ParameterIncorrect (SRC_POS); }
};
@@ -1530,33 +1506,6 @@ namespace VeraCrypt
}
}
void BootEncryption::ReadEfiConfig (const wchar_t* fileName, byte* confContent, DWORD maxSize, DWORD* pcbRead)
{
if (!pcbRead)
throw ParameterIncorrect (SRC_POS);
if (!IsAdmin() && IsUacSupported())
{
Elevator::ReadEfiConfig (fileName, confContent, maxSize, pcbRead);
}
else
{
unsigned __int64 ui64Size = 0;
finally_do ({ EfiBootInst.DismountBootPartition(); });
EfiBootInst.MountBootPartition(0);
EfiBootInst.GetFileSize(fileName, ui64Size);
*pcbRead = (DWORD) ui64Size;
if (*pcbRead > maxSize)
throw ParameterIncorrect (SRC_POS);
EfiBootInst.ReadFile (fileName, confContent, *pcbRead);
}
}
// return false when the user cancel an elevation request
bool BootEncryption::ReadBootSectorConfig (byte *config, size_t bufLength, byte *userConfig, string *customUserMessage, uint16 *bootLoaderVersion)
{
@@ -1569,7 +1518,7 @@ namespace VeraCrypt
if (config)
memset (config, 0, bufLength);
// call ReadEfiConfig only when needed since it requires elevation
// call ReadESPFile only when needed since it requires elevation
if (userConfig || customUserMessage || bootLoaderVersion)
{
std::string confContent = ReadESPFile (L"\\EFI\\VeraCrypt\\DcsProp", true);

1
src/Common/BootEncryption.h
View File

@@ -276,7 +276,6 @@ namespace VeraCrypt
void ProbeRealSystemDriveSize ();
bool ReadBootSectorConfig (byte *config, size_t bufLength, byte *userConfig = nullptr, string *customUserMessage = nullptr, uint16 *bootLoaderVersion = nullptr);
uint32 ReadDriverConfigurationFlags ();
void ReadEfiConfig (const wchar_t* filename, byte* confContent, DWORD maxSize, DWORD* pcbRead);
void RegisterBootDriver (bool hiddenSystem);
void RegisterFilterDriver (bool registerDriver, FilterType filterType);
void RegisterSystemFavoritesService (BOOL registerService);