From ece26c74815c431b0c489a24292e7834181463a7 Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Wed, 23 Mar 2016 00:14:07 +0100
Subject: Windows: Implement passing smart card PIN as command line argument
 (/tokenpin switch) when explicitly mounting a volume.

---
 src/Mount/Mount.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

(limited to 'src/Mount/Mount.c')

diff --git a/src/Mount/Mount.c b/src/Mount/Mount.c
index 6bb02d79..fbf631f8 100644
--- a/src/Mount/Mount.c
+++ b/src/Mount/Mount.c
@@ -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 ();
 
-- 
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