VeraCrypt
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-rw-r--r--src/Common/Format.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/src/Common/Format.c b/src/Common/Format.c
index 4363f474..f34ee39b 100644
--- a/src/Common/Format.c
+++ b/src/Common/Format.c
@@ -400,14 +400,31 @@ begin_format:
}
if (speedupFileCreation)
{
- // accelerate file creation by telling Windows not to fill all file content with zeros
- // this has security issues since it will put existing disk content into file container
- // We use this mechanism only when switch /fastCreateFile specific and when quick format
- // also specified and which is documented to have security issues.
- // we don't check returned status because failure is not issue for us
- SetFileValidData (dev, volumeSize.QuadPart);
+ if (!SetPrivilege(SE_MANAGE_VOLUME_NAME, TRUE))
+ {
+ DWORD dwLastError = GetLastError();
+ if (Silent || (MessageBoxW(hwndDlg, GetString ("ADMIN_PRIVILEGES_WARN_MANAGE_VOLUME"), lpszTitle, MB_YESNO | MB_ICONWARNING | MB_DEFBUTTON2) == IDNO))
+ {
+ SetLastError(dwLastError);
+ nStatus = ERR_OS_ERROR;
+ goto error;
+ }
+ }
+ else
+ {
+ // accelerate file creation by telling Windows not to fill all file content with zeros
+ // this has security issues since it will put existing disk content into file container
+ // We use this mechanism only when switch /fastCreateFile specific and when quick format
+ // also specified and which is documented to have security issues.
+ // we don't check returned status because failure is not issue for us
+ if (!SetFileValidData (dev, volumeSize.QuadPart))
+ {
+ nStatus = ERR_OS_ERROR;
+ goto error;
+ }
+ }
}
if (SetFilePointer (dev, 0, NULL, FILE_BEGIN) != 0)
{