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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2019-10-23 00:22:31 +0200
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2019-10-23 00:24:02 +0200
commit74e14c070fb5bebe5258dde72e879fe7be1e43cf (patch)
tree16b35bea9c9bae357473c371090e6db6ab2998c4 /src/ExpandVolume/ExpandVolume.c
parent11f1a21652b2509be9b526ef0c0ed575a0fc5908 (diff)
downloadVeraCrypt-74e14c070fb5bebe5258dde72e879fe7be1e43cf.tar.gz
VeraCrypt-74e14c070fb5bebe5258dde72e879fe7be1e43cf.zip
Windows: A Quick Expand option to VeraCrypt Expander to allow quicker expansion of file containers after warning about security issues associated with it.
Diffstat (limited to 'src/ExpandVolume/ExpandVolume.c')
-rw-r--r--src/ExpandVolume/ExpandVolume.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/src/ExpandVolume/ExpandVolume.c b/src/ExpandVolume/ExpandVolume.c
index 588e7688..ec78a36f 100644
--- a/src/ExpandVolume/ExpandVolume.c
+++ b/src/ExpandVolume/ExpandVolume.c
@@ -492,7 +492,7 @@ error:
Remarks: a lot of code is from TrueCrypt 'Common\Password.c' :: ChangePwd()
*/
-static int ExpandVolume (HWND hwndDlg, wchar_t *lpszVolume, Password *pVolumePassword, int VolumePkcs5, int VolumePim, uint64 newHostSize, BOOL initFreeSpace)
+static int ExpandVolume (HWND hwndDlg, wchar_t *lpszVolume, Password *pVolumePassword, int VolumePkcs5, int VolumePim, uint64 newHostSize, BOOL initFreeSpace, BOOL bQuickExpand)
{
int nDosLinkCreated = 1, nStatus = ERR_OS_ERROR;
wchar_t szDiskFile[TC_MAX_PATH], szCFDevice[TC_MAX_PATH];
@@ -754,8 +754,21 @@ static int ExpandVolume (HWND hwndDlg, wchar_t *lpszVolume, Password *pVolumePas
{
// Preallocate the file
if (!SetFilePointerEx (dev, liNewSize, NULL, FILE_BEGIN)
- || !SetEndOfFile (dev)
- || SetFilePointer (dev, 0, NULL, FILE_BEGIN) != 0)
+ || !SetEndOfFile (dev))
+ {
+ nStatus = ERR_OS_ERROR;
+ goto error;
+ }
+
+ if (bQuickExpand)
+ {
+ if (!SetFileValidData (dev, liNewSize.QuadPart))
+ {
+ DebugAddProgressDlgStatus(hwndDlg, L"Warning: Failed to perform Quick Expand. Continuing with standard expanding...\r\n");
+ }
+ }
+
+ if (SetFilePointer (dev, 0, NULL, FILE_BEGIN) != 0)
{
nStatus = ERR_OS_ERROR;
goto error;
@@ -1061,7 +1074,7 @@ void __cdecl volTransformThreadFunction (void *pExpandDlgParam)
HWND hwndDlg = (HWND) pParam->hwndDlg;
nStatus = ExpandVolume (hwndDlg, (wchar_t*)pParam->szVolumeName, pParam->pVolumePassword,
- pParam->VolumePkcs5, pParam->VolumePim, pParam->newSize, pParam->bInitFreeSpace );
+ pParam->VolumePkcs5, pParam->VolumePim, pParam->newSize, pParam->bInitFreeSpace, pParam->bQuickExpand );
if (nStatus!=ERR_SUCCESS && nStatus!=ERR_USER_ABORT)
handleError (hwndDlg, nStatus, SRC_POS);