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Windows: Implement passing smart card PIN as command line argument (/tokenpin switch) when explicitly mounting a volume.

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This commit is contained in:
Mounir IDRASSI 2016-03-23 00:14:07 +01:00
parent 6738cba617
commit ece26c7481
6 changed files with 63 additions and 21 deletions
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8
src/Common/Common.rc
View File

@ -45,14 +45,14 @@ BEGIN
CONTROL IDB_TEXTUAL_LOGO_96DPI,IDC_TEXTUAL_LOGO_IMG,"Static",SS_BITMAP,12,26,157,16
END
IDD_COMMANDHELP_DLG DIALOGEX 0, 0, 249, 274
IDD_COMMANDHELP_DLG DIALOGEX 0, 0, 249, 289
STYLE DS_SETFONT | DS_MODALFRAME | DS_3DLOOK | DS_FIXEDSYS | DS_CENTER | WS_POPUP | WS_CAPTION | WS_SYSMENU
CAPTION "Command Line Help"
CLASS "VeraCryptCustomDlg"
FONT 8, "MS Shell Dlg", 0, 0, 0x0
BEGIN
DEFPUSHBUTTON "OK",IDOK,93,252,59,14
LTEXT "",IDC_COMMANDHELP_TEXT,20,10,208,241
DEFPUSHBUTTON "OK",IDOK,93,267,59,14
LTEXT "",IDC_COMMANDHELP_TEXT,20,7,208,256
END
IDD_RAWDEVICES_DLG DIALOGEX 0, 0, 305, 209
@ -345,7 +345,7 @@ BEGIN
IDD_COMMANDHELP_DLG, DIALOG
BEGIN
BOTTOMMARGIN, 266
BOTTOMMARGIN, 281
END
IDD_RAWDEVICES_DLG, DIALOG

7
src/Common/Keyfiles.c
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@ -237,6 +237,11 @@ static BOOL KeyFileProcess (unsigned __int8 *keyPool, KeyFile *keyFile)
BOOL KeyFilesApply (HWND hwndDlg, Password *password, KeyFile *firstKeyFile, const wchar_t* volumeFileName)
{
return KeyFilesApplyWithPin (hwndDlg, password, nullptr, firstKeyFile, volumeFileName);
}
BOOL KeyFilesApplyWithPin (HWND hwndDlg, Password *password, char* pin, KeyFile *firstKeyFile, const wchar_t* volumeFileName)
{
BOOL status = TRUE;
KeyFile kfSubStruct;
@ -266,7 +271,7 @@ BOOL KeyFilesApply (HWND hwndDlg, Password *password, KeyFile *firstKeyFile, con
// Apply security token keyfile
vector <byte> keyfileData;
SecurityTokenKeyfilePath secPath (kf->FileName);
SecurityToken::GetKeyfileData (SecurityTokenKeyfile (secPath), keyfileData);
SecurityToken::GetKeyfileData (SecurityTokenKeyfile (secPath, pin), pin, keyfileData);
if (keyfileData.empty())
{

1
src/Common/Keyfiles.h
View File

@ -40,6 +40,7 @@ void KeyFileRemoveAll (KeyFile **firstKeyFile);
KeyFile *KeyFileClone (KeyFile *keyFile);
void KeyFileCloneAll (KeyFile *firstKeyFile, KeyFile **outputKeyFile);
BOOL KeyFilesApply (HWND hwndDlg, Password *password, KeyFile *firstKeyFilem, const wchar_t* volumeFileName);
BOOL KeyFilesApplyWithPin (HWND hwndDlg, Password *password, char* pin, KeyFile *firstKeyFilem, const wchar_t* volumeFileName);
BOOL CALLBACK KeyFilesDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam);
BOOL KeyfilesPopupMenu (HWND hwndDlg, POINT popupPosition, KeyFilesDlgParam *dialogParam);

36
src/Common/SecurityToken.cpp
View File

@ -36,7 +36,7 @@ using namespace std;
namespace VeraCrypt
{
SecurityTokenKeyfile::SecurityTokenKeyfile (const SecurityTokenKeyfilePath &path)
SecurityTokenKeyfile::SecurityTokenKeyfile (const SecurityTokenKeyfilePath &path, char* pin)
{
wstring pathStr = path;
unsigned long slotId;
@ -52,7 +52,7 @@ namespace VeraCrypt
Id = pathStr.substr (keyIdPos + wstring (L"/" TC_SECURITY_TOKEN_KEYFILE_URL_FILE L"/").size());
vector <SecurityTokenKeyfile> keyfiles = SecurityToken::GetAvailableKeyfiles (&SlotId, Id);
vector <SecurityTokenKeyfile> keyfiles = SecurityToken::GetAvailableKeyfiles (&SlotId, Id, pin);
if (keyfiles.empty())
throw SecurityTokenKeyfileNotFound();
@ -180,7 +180,7 @@ namespace VeraCrypt
throw Pkcs11Exception (status);
}
vector <SecurityTokenKeyfile> SecurityToken::GetAvailableKeyfiles (CK_SLOT_ID *slotIdFilter, const wstring keyfileIdFilter)
vector <SecurityTokenKeyfile> SecurityToken::GetAvailableKeyfiles (CK_SLOT_ID *slotIdFilter, const wstring keyfileIdFilter, char* pin)
{
bool unrecognizedTokenPresent = false;
vector <SecurityTokenKeyfile> keyfiles;
@ -194,7 +194,7 @@ namespace VeraCrypt
try
{
LoginUserIfRequired (slotId);
LoginUserIfRequired (slotId, pin);
token = GetTokenInfo (slotId);
}
catch (UserAbort &)
@ -314,7 +314,12 @@ namespace VeraCrypt
void SecurityToken::GetKeyfileData (const SecurityTokenKeyfile &keyfile, vector <byte> &keyfileData)
{
LoginUserIfRequired (keyfile.SlotId);
GetKeyfileData (keyfile, nullptr, keyfileData);
}
void SecurityToken::GetKeyfileData (const SecurityTokenKeyfile &keyfile, char* pin, vector <byte> &keyfileData)
{
LoginUserIfRequired (keyfile.SlotId, pin);
GetObjectAttribute (keyfile.SlotId, keyfile.Handle, CKA_VALUE, keyfileData);
}
@ -417,22 +422,23 @@ namespace VeraCrypt
return securityTokenKeyfilePath.find (TC_SECURITY_TOKEN_KEYFILE_URL_PREFIX) == 0;
}
void SecurityToken::Login (CK_SLOT_ID slotId, const string &pin)
void SecurityToken::Login (CK_SLOT_ID slotId, const char* pin)
{
if (Sessions.find (slotId) == Sessions.end())
OpenSession (slotId);
else if (Sessions[slotId].UserLoggedIn)
return;
CK_RV status = Pkcs11Functions->C_Login (Sessions[slotId].Handle, CKU_USER, (CK_CHAR_PTR) pin.c_str(), (CK_ULONG) pin.size());
size_t pinLen = pin? strlen (pin) : 0;
CK_RV status = Pkcs11Functions->C_Login (Sessions[slotId].Handle, CKU_USER, (CK_CHAR_PTR) pin, (CK_ULONG) pinLen);
if (status != CKR_OK)
throw Pkcs11Exception (status);
Sessions[slotId].UserLoggedIn = true;
}
void SecurityToken::LoginUserIfRequired (CK_SLOT_ID slotId)
void SecurityToken::LoginUserIfRequired (CK_SLOT_ID slotId, char* cmdPin)
{
CheckLibraryStatus();
CK_RV status;
@ -473,6 +479,10 @@ namespace VeraCrypt
if (status != CKR_OK)
throw Pkcs11Exception (status);
}
else if (cmdPin && cmdPin [0])
{
Login (slotId, cmdPin);
}
else
{
string pin = tokenInfo.LabelUtf8;
@ -486,7 +496,7 @@ namespace VeraCrypt
finally_do_arg (string*, &pin, { burn ((void *) finally_arg->c_str(), finally_arg->size()); });
(*PinCallback) (pin);
Login (slotId, pin);
Login (slotId, pin.c_str());
}
Sessions[slotId].UserLoggedIn = true;
@ -501,6 +511,12 @@ namespace VeraCrypt
}
else if (error == CKR_PIN_INCORRECT && !(tokenInfo.Flags & CKF_PROTECTED_AUTHENTICATION_PATH))
{
if (cmdPin && cmdPin [0])
{
// clear wrong PIN
size_t cmdPinLen = strlen (cmdPin);
burn (cmdPin, cmdPinLen);
}
(*WarningCallback) (Pkcs11Exception (CKR_PIN_INCORRECT));
continue;
}

9
src/Common/SecurityToken.h
View File

@ -74,7 +74,7 @@ namespace VeraCrypt
struct SecurityTokenKeyfile
{
SecurityTokenKeyfile () : Handle(CK_INVALID_HANDLE), SlotId(CK_UNAVAILABLE_INFORMATION) { Token.SlotId = CK_UNAVAILABLE_INFORMATION; Token.Flags = 0; }
SecurityTokenKeyfile (const SecurityTokenKeyfilePath &path);
SecurityTokenKeyfile (const SecurityTokenKeyfilePath &path, char* pin = nullptr);
operator SecurityTokenKeyfilePath () const;
@ -185,8 +185,9 @@ namespace VeraCrypt
static void CloseLibrary ();
static void CreateKeyfile (CK_SLOT_ID slotId, vector <byte> &keyfileData, const string &name);
static void DeleteKeyfile (const SecurityTokenKeyfile &keyfile);
static vector <SecurityTokenKeyfile> GetAvailableKeyfiles (CK_SLOT_ID *slotIdFilter = nullptr, const wstring keyfileIdFilter = wstring());
static vector <SecurityTokenKeyfile> GetAvailableKeyfiles (CK_SLOT_ID *slotIdFilter = nullptr, const wstring keyfileIdFilter = wstring(), char* pin = nullptr);
static void GetKeyfileData (const SecurityTokenKeyfile &keyfile, vector <byte> &keyfileData);
static void GetKeyfileData (const SecurityTokenKeyfile &keyfile, char* pin, vector <byte> &keyfileData);
static list <SecurityTokenInfo> GetAvailableTokens ();
static SecurityTokenInfo GetTokenInfo (CK_SLOT_ID slotId);
#ifdef TC_WINDOWS
@ -204,8 +205,8 @@ namespace VeraCrypt
static vector <CK_OBJECT_HANDLE> GetObjects (CK_SLOT_ID slotId, CK_ATTRIBUTE_TYPE objectClass);
static void GetObjectAttribute (CK_SLOT_ID slotId, CK_OBJECT_HANDLE tokenObject, CK_ATTRIBUTE_TYPE attributeType, vector <byte> &attributeValue);
static list <CK_SLOT_ID> GetTokenSlots ();
static void Login (CK_SLOT_ID slotId, const string &pin);
static void LoginUserIfRequired (CK_SLOT_ID slotId);
static void Login (CK_SLOT_ID slotId, const char* pin);
static void LoginUserIfRequired (CK_SLOT_ID slotId, char* cmdPin = nullptr);
static void OpenSession (CK_SLOT_ID slotId);
static void CheckLibraryStatus ();

23
src/Mount/Mount.c
View File

@ -129,6 +129,7 @@ int nSelectedDriveIndex = -1; /* Item number of selected drive */
int cmdUnmountDrive = -2; /* Volume drive letter to unmount (-1 = all) */
Password VolumePassword; /* Password used for mounting volumes */
Password CmdVolumePassword; /* Password passed from command line */
char CmdTokenPin [SecurityToken::MaxPasswordLength + 1] = {0};
int VolumePkcs5 = 0;
int CmdVolumePkcs5 = 0;
int VolumePim = -1;
@ -237,6 +238,7 @@ static void localcleanup (void)
burn (&mountOptions, sizeof (mountOptions));
burn (&defaultMountOptions, sizeof (defaultMountOptions));
burn (szFileName, sizeof(szFileName));
burn (&CmdTokenPin, sizeof (CmdTokenPin));
/* Cleanup common code resources */
cleanup ();
@ -6334,7 +6336,7 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
BOOL reportBadPasswd = CmdVolumePassword.Length > 0;
if (FirstCmdKeyFile)
KeyFilesApply (hwndDlg, &CmdVolumePassword, FirstCmdKeyFile, szFileName);
KeyFilesApplyWithPin (hwndDlg, &CmdVolumePassword, CmdTokenPin, FirstCmdKeyFile, szFileName);
mounted = MountVolume (hwndDlg, szDriveLetter[0] - L'A',
szFileName, &CmdVolumePassword, EffectiveVolumePkcs5, CmdVolumePim, EffectiveVolumeTrueCryptMode, bCacheInDriver, bIncludePimInCache, bForceMount,
@ -6379,7 +6381,7 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
WaitCursor ();
if (KeyFilesEnable && FirstKeyFile)
KeyFilesApply (hwndDlg, &VolumePassword, FirstKeyFile, szFileName);
KeyFilesApplyWithPin (hwndDlg, &VolumePassword, CmdTokenPin, FirstKeyFile, szFileName);
mounted = MountVolume (hwndDlg, szDriveLetter[0] - L'A', szFileName, &VolumePassword, VolumePkcs5, VolumePim, VolumeTrueCryptMode, bCacheInDriver, bIncludePimInCache, bForceMount, &mountOptions, FALSE, TRUE);
@ -8136,6 +8138,7 @@ void ExtractCommandLine (HWND hwndDlg, wchar_t *lpszCommandLine)
OptionQuit,
OptionSilent,
OptionTokenLib,
OptionTokenPin,
OptionVolume,
CommandWipeCache,
OptionPkcs5,
@ -8163,6 +8166,7 @@ void ExtractCommandLine (HWND hwndDlg, wchar_t *lpszCommandLine)
{ OptionQuit, L"/quit", L"/q", FALSE },
{ OptionSilent, L"/silent", L"/s", FALSE },
{ OptionTokenLib, L"/tokenlib", NULL, FALSE },
{ OptionTokenPin, L"/tokenpin", NULL, FALSE },
{ OptionTrueCryptMode, L"/truecrypt", L"/tc", FALSE },
{ OptionVolume, L"/volume", L"/v", FALSE },
{ CommandWipeCache, L"/wipecache", L"/w", FALSE },
@ -8449,6 +8453,20 @@ void ExtractCommandLine (HWND hwndDlg, wchar_t *lpszCommandLine)
break;
case OptionTokenPin:
{
wchar_t szTmp[SecurityToken::MaxPasswordLength + 1] = {0};
if (GetArgumentValue (lpszCommandLineArgs, &i, nNoCommandLineArgs, szTmp, ARRAYSIZE (szTmp)) == HAS_ARGUMENT)
{
if (0 == WideCharToMultiByte (CP_UTF8, 0, szTmp, -1, CmdTokenPin, array_capacity (CmdTokenPin), nullptr, nullptr))
AbortProcess ("COMMAND_LINE_ERROR");
}
else
AbortProcess ("COMMAND_LINE_ERROR");
}
break;
case CommandWipeCache:
bWipe = TRUE;
break;
@ -8667,6 +8685,7 @@ int WINAPI wWinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, wchar_t *lpsz
VirtualLock (&mountOptions, sizeof (mountOptions));
VirtualLock (&defaultMountOptions, sizeof (defaultMountOptions));
VirtualLock (&szFileName, sizeof(szFileName));
VirtualLock (&CmdTokenPin, sizeof (CmdTokenPin));
DetectX86Features ();