#include "wimlib/error.h"
#include "wimlib/util.h"
+#include "wimlib/win32_vss.h"
static bool
win32_modify_privilege(const wchar_t *privilege, bool enable)
static bool
win32_modify_capture_privileges(bool enable)
{
- return win32_modify_privilege(SE_BACKUP_NAME, enable)
- && win32_modify_privilege(SE_SECURITY_NAME, enable);
+ bool ok = true;
+ ok &= win32_modify_privilege(SE_BACKUP_NAME, enable);
+ ok &= win32_modify_privilege(SE_SECURITY_NAME, enable);
+ return ok;
}
static bool
win32_modify_apply_privileges(bool enable)
{
- return win32_modify_privilege(SE_RESTORE_NAME, enable)
- && win32_modify_privilege(SE_SECURITY_NAME, enable)
- && win32_modify_privilege(SE_TAKE_OWNERSHIP_NAME, enable);
+ bool ok = true;
+ ok &= win32_modify_privilege(SE_RESTORE_NAME, enable);
+ ok &= win32_modify_privilege(SE_SECURITY_NAME, enable);
+ ok &= win32_modify_privilege(SE_TAKE_OWNERSHIP_NAME, enable);
+ ok &= win32_modify_privilege(SE_MANAGE_VOLUME_NAME, enable);
+ return ok;
}
static void
void
win32_global_cleanup(void)
{
+ vss_global_cleanup();
+
if (acquired_privileges)
win32_release_capture_and_apply_privileges();
return 0;
}
+/* Try to attach an instance of the Windows Overlay File System Filter Driver to
+ * the specified drive (such as C:) */
+bool
+win32_try_to_attach_wof(const wchar_t *drive)
+{
+ HMODULE fltlib;
+ bool retval = false;
+
+ /* Use FilterAttach() from Fltlib.dll. */
+
+ fltlib = LoadLibrary(L"Fltlib.dll");
+
+ if (!fltlib) {
+ WARNING("Failed to load Fltlib.dll");
+ return retval;
+ }
+
+ HRESULT (WINAPI *func_FilterAttach)(LPCWSTR lpFilterName,
+ LPCWSTR lpVolumeName,
+ LPCWSTR lpInstanceName,
+ DWORD dwCreatedInstanceNameLength,
+ LPWSTR lpCreatedInstanceName);
+
+ func_FilterAttach = (void *)GetProcAddress(fltlib, "FilterAttach");
+
+ if (func_FilterAttach) {
+ HRESULT res;
+
+ res = (*func_FilterAttach)(L"wof", drive, NULL, 0, NULL);
+
+ if (res != S_OK)
+ res = (*func_FilterAttach)(L"wofadk", drive, NULL, 0, NULL);
+
+ if (res == S_OK)
+ retval = true;
+ } else {
+ WARNING("FilterAttach() does not exist in Fltlib.dll");
+ }
+
+ FreeLibrary(fltlib);
+
+ return retval;
+}
+
+
static void
windows_msg(u32 code, const wchar_t *format, va_list va,
bool is_ntstatus, bool is_error)
if (n >= buflen)
goto realloc;
- ret = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
- NULL,
- is_ntstatus ? (*func_RtlNtStatusToDosError)(code) : code,
+ ret = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS |
+ (is_ntstatus ? FORMAT_MESSAGE_FROM_HMODULE : 0),
+ (is_ntstatus ? ntdll_spec.handle : NULL),
+ code,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
&buf[n],
buflen - n,