-static bool
-win32_modify_privilege(const wchar_t *privilege, bool enable)
-{
- HANDLE hToken;
- LUID luid;
- TOKEN_PRIVILEGES newState;
- bool ret = FALSE;
-
- if (!OpenProcessToken(GetCurrentProcess(),
- TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,
- &hToken))
- goto out;
-
- if (!LookupPrivilegeValue(NULL, privilege, &luid))
- goto out_close_handle;
-
- newState.PrivilegeCount = 1;
- newState.Privileges[0].Luid = luid;
- newState.Privileges[0].Attributes = (enable ? SE_PRIVILEGE_ENABLED : 0);
- SetLastError(ERROR_SUCCESS);
- ret = AdjustTokenPrivileges(hToken, FALSE, &newState, 0, NULL, NULL);
- if (ret && GetLastError() == ERROR_NOT_ALL_ASSIGNED)
- ret = FALSE;
-out_close_handle:
- CloseHandle(hToken);
-out:
- if (!ret && enable) {
- fwprintf(stderr,
- L"WARNING: Failed to enable %ls!\n"
- " The program will continue, but if "
- "permission issues are\n"
- " encountered, you may need to run "
- "this program as the Administrator.\n",
- privilege);
- }
- return ret;
-}
-
-static void
-win32_modify_capture_privileges(bool enable)
-{
- win32_modify_privilege(SE_BACKUP_NAME, enable);
- win32_modify_privilege(SE_SECURITY_NAME, enable);
-}
-
-static void
-win32_modify_restore_privileges(bool enable)
-{
- win32_modify_privilege(SE_RESTORE_NAME, enable);
- win32_modify_privilege(SE_SECURITY_NAME, enable);
- win32_modify_privilege(SE_TAKE_OWNERSHIP_NAME, enable);
-}
-
-void
-win32_acquire_capture_privileges(void)
-{
- win32_modify_capture_privileges(true);
-}
-
-void
-win32_release_capture_privileges(void)
-{
- win32_modify_capture_privileges(false);
-}
-
-void
-win32_acquire_restore_privileges(void)
-{
- win32_modify_restore_privileges(true);
-}
-
-void
-win32_release_restore_privileges(void)
-{
- win32_modify_restore_privileges(false);
-}
-