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Windows: enhancements to the mechanism preserving file timestamps, especially for keyfiles.

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This commit is contained in:
Mounir IDRASSI
2019-12-08 22:51:49 +01:00
parent 7f1e21e6a1
commit 5e96a5c44c
8 changed files with 139 additions and 79 deletions
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11
src/Common/Dlgcode.c
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@@ -11238,10 +11238,8 @@ int OpenVolume (OpenVolumeContext *context, const wchar_t *volumePath, Password
else
StringCbCopyW (szCFDevice, sizeof(szCFDevice), szDiskFile);
if (preserveTimestamps)
write = TRUE;
context->HostFileHandle = CreateFile (szCFDevice, GENERIC_READ | (write ? GENERIC_WRITE : 0), FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
context->HostFileHandle = CreateFile (szCFDevice, GENERIC_READ | (write ? GENERIC_WRITE : (!context->IsDevice && preserveTimestamps? FILE_WRITE_ATTRIBUTES : 0)), FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
if (context->HostFileHandle == INVALID_HANDLE_VALUE)
{
@@ -11263,6 +11261,13 @@ int OpenVolume (OpenVolumeContext *context, const wchar_t *volumePath, Password
// Remember the container modification/creation date and time
if (!context->IsDevice && preserveTimestamps)
{
// ensure that Last Access and Last Write timestamps are not modified
FILETIME ftLastAccessTime;
ftLastAccessTime.dwHighDateTime = 0xFFFFFFFF;
ftLastAccessTime.dwLowDateTime = 0xFFFFFFFF;
SetFileTime (context->HostFileHandle, NULL, &ftLastAccessTime, NULL);
if (GetFileTime (context->HostFileHandle, &context->CreationTime, &context->LastAccessTime, &context->LastWriteTime) == 0)
context->TimestampsValid = FALSE;
else