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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2019-12-08 22:51:49 +0100
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2019-12-08 23:42:47 +0100
commit5e96a5c44c3c78a901d77297517fa4842a297eb9 (patch)
treec96c1f8cfc13c9435d26d31d267a5a125493349d /src/ExpandVolume/ExpandVolume.c
parent7f1e21e6a1103fd4a488ddbe63571c6ffecb38ca (diff)
downloadVeraCrypt-5e96a5c44c3c78a901d77297517fa4842a297eb9.tar.gz
VeraCrypt-5e96a5c44c3c78a901d77297517fa4842a297eb9.zip
Windows: enhancements to the mechanism preserving file timestamps, especially for keyfiles.
Diffstat (limited to 'src/ExpandVolume/ExpandVolume.c')
-rw-r--r--src/ExpandVolume/ExpandVolume.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/src/ExpandVolume/ExpandVolume.c b/src/ExpandVolume/ExpandVolume.c
index ec78a36f..8db2b573 100644
--- a/src/ExpandVolume/ExpandVolume.c
+++ b/src/ExpandVolume/ExpandVolume.c
@@ -535,6 +535,27 @@ static int ExpandVolume (HWND hwndDlg, wchar_t *lpszVolume, Password *pVolumePas
if (dev == INVALID_HANDLE_VALUE)
goto error;
+ else if (!bDevice && bPreserveTimestamp)
+ {
+ // ensure that Last Access and Last Time timestamps are not modified
+ // in order to preserve plausible deniability of hidden volumes (last password change time is stored in the volume header).
+ ftLastAccessTime.dwHighDateTime = 0xFFFFFFFF;
+ ftLastAccessTime.dwLowDateTime = 0xFFFFFFFF;
+
+ SetFileTime (dev, NULL, &ftLastAccessTime, NULL);
+
+ /* Remember the container modification/creation date and time, (used to reset file date and time of
+ file-hosted volumes after password change (or attempt to), in order to preserve plausible deniability
+ of hidden volumes (last password change time is stored in the volume header). */
+
+ if (GetFileTime ((HANDLE) dev, &ftCreationTime, &ftLastAccessTime, &ftLastWriteTime) == 0)
+ {
+ bTimeStampValid = FALSE;
+ MessageBoxW (hwndDlg, GetString ("GETFILETIME_FAILED_PW"), lpszTitle, MB_OK | MB_ICONEXCLAMATION);
+ }
+ else
+ bTimeStampValid = TRUE;
+ }
if (bDevice)
{
@@ -628,20 +649,6 @@ static int ExpandVolume (HWND hwndDlg, wchar_t *lpszVolume, Password *pVolumePas
goto error;
}
- if (!bDevice && bPreserveTimestamp)
- {
- /* Remember the container modification/creation date and time, (used to reset file date and time of
- file-hosted volumes after password change (or attempt to), in order to preserve plausible deniability
- of hidden volumes (last password change time is stored in the volume header). */
-
- if (GetFileTime ((HANDLE) dev, &ftCreationTime, &ftLastAccessTime, &ftLastWriteTime) == 0)
- {
- bTimeStampValid = FALSE;
- MessageBoxW (hwndDlg, GetString ("GETFILETIME_FAILED_PW"), lpszTitle, MB_OK | MB_ICONEXCLAMATION);
- }
- else
- bTimeStampValid = TRUE;
- }
// Seek the volume header
headerOffset.QuadPart = TC_VOLUME_HEADER_OFFSET;