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PlatformInfo read. (via ReadEfiConfig)

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kavsrf
2017-02-09 00:28:02 +03:00
committed by Mounir IDRASSI
parent a075d45a99
commit 46cd09ef50
11 changed files with 38 additions and 24 deletions
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18
src/Common/BootEncryption.cpp
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@@ -372,7 +372,7 @@ namespace VeraCrypt
}
}
static void ReadEfiConfig (byte* confContent, DWORD maxSize, DWORD* pcbRead)
static void ReadEfiConfig (const wchar_t *filename, byte* confContent, DWORD maxSize, DWORD* pcbRead)
{
Elevate();
@@ -382,8 +382,8 @@ namespace VeraCrypt
SetLastError (ERROR_INVALID_PARAMETER);
throw SystemException(SRC_POS);
}
DWORD result = ElevatedComInstance->ReadEfiConfig (&outputBstr, pcbRead);
BSTR bstrfn = W2BSTR(filename);
DWORD result = ElevatedComInstance->ReadEfiConfig (bstrfn, &outputBstr, pcbRead);
if (confContent)
memcpy (confContent, *(void **) &outputBstr, maxSize);
@@ -492,7 +492,7 @@ 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 (byte* confContent, DWORD maxSize, DWORD* pcbRead) { 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); }
};
@@ -1530,14 +1530,14 @@ namespace VeraCrypt
}
}
void BootEncryption::ReadEfiConfig (byte* confContent, DWORD maxSize, DWORD* pcbRead)
void BootEncryption::ReadEfiConfig (const wchar_t* fileName, byte* confContent, DWORD maxSize, DWORD* pcbRead)
{
if (!pcbRead)
throw ParameterIncorrect (SRC_POS);
if (!IsAdmin() && IsUacSupported())
{
Elevator::ReadEfiConfig (confContent, maxSize, pcbRead);
Elevator::ReadEfiConfig (fileName, confContent, maxSize, pcbRead);
}
else
{
@@ -1546,14 +1546,14 @@ namespace VeraCrypt
finally_do ({ EfiBootInst.DismountBootPartition(); });
EfiBootInst.MountBootPartition(0);
EfiBootInst.GetFileSize(L"\\EFI\\VeraCrypt\\DcsProp", ui64Size);
EfiBootInst.GetFileSize(fileName, ui64Size);
*pcbRead = (DWORD) ui64Size;
if (*pcbRead > maxSize)
throw ParameterIncorrect (SRC_POS);
EfiBootInst.ReadFile (L"\\EFI\\VeraCrypt\\DcsProp", confContent, *pcbRead);
EfiBootInst.ReadFile (fileName, confContent, *pcbRead);
}
}
@@ -1575,7 +1575,7 @@ namespace VeraCrypt
// call ReadEfiConfig only when needed since it requires elevation
if (userConfig || customUserMessage || bootLoaderVersion)
{
ReadEfiConfig (confContent, sizeof (confContent) - 1, &dwSize);
ReadEfiConfig (L"\\EFI\\VeraCrypt\\DcsProp", confContent, sizeof (confContent) - 1, &dwSize);
confContent[dwSize] = 0;