public static void Close()
{
if (driver != null)
{
uint refCount = 0;
driver.DeviceIOControl(IOCTL_OLS_GET_REFCOUNT, null, ref refCount);
driver.Close();
if (refCount <= 1)
{
driver.Delete();
}
driver = null;
}
if (isaBusMutex != null)
{
isaBusMutex.Close();
isaBusMutex = null;
}
// try to delete temporary driver file again if failed during open
if (fileName != null && File.Exists(fileName))
{
try {
File.Delete(fileName);
fileName = null;
} catch (IOException) { }
catch (UnauthorizedAccessException) { }
}
}
public static void Close()
{
if (driver != null)
{
driver.Close();
driver = null;
}
if (isaBusMutex != null)
{
isaBusMutex.Close();
isaBusMutex = null;
}
}
public static void UninstallKernelDriver()
{
InitializeKernelDriver();
if (driver != null)
{
try
{
if (driver.IsOpen)
{
driver.Close();
}
driver.Delete();
driver = null;
}
catch
{
report.AppendLine("Status: Uninstalling driver failed");
}
}
}
public static void Close()
{
if (driver == null)
{
return;
}
uint refCount = 0;
driver.DeviceIOControl(IOCTL_OLS_GET_REFCOUNT, null, ref refCount);
driver.Close();
if (refCount <= 1)
{
driver.Delete();
}
driver = null;
isaBusMutex.Close();
}
public static void Open()
{
// no implementation for unix systems
if (OperatingSystem.IsUnix)
{
return;
}
if (driver != null)
{
return;
}
// clear the current report
report.Length = 0;
driver = new KernelDriver("WinRing0_1_2_0");
driver.Open();
if (!driver.IsOpen)
{
// driver is not loaded, try to install and open
fileName = GetTempFileName();
if (fileName != null && ExtractDriver(fileName))
{
string installError;
if (driver.Install(fileName, out installError))
{
driver.Open();
if (!driver.IsOpen)
{
driver.Delete();
report.AppendLine("Status: Opening driver failed after install");
}
}
else
{
string errorFirstInstall = installError;
// install failed, try to delete and reinstall
driver.Delete();
// wait a short moment to give the OS a chance to remove the driver
Thread.Sleep(2000);
string errorSecondInstall;
if (driver.Install(fileName, out errorSecondInstall))
{
driver.Open();
if (!driver.IsOpen)
{
driver.Delete();
report.AppendLine(
"Status: Opening driver failed after reinstall");
}
}
else
{
report.AppendLine("Status: Installing driver \"" +
fileName + "\" failed" +
(File.Exists(fileName) ? " and file exists" : ""));
report.AppendLine("First Exception: " + errorFirstInstall);
report.AppendLine("Second Exception: " + errorSecondInstall);
}
}
}
else
{
report.AppendLine("Status: Extracting driver failed");
}
try {
// try to delte the driver file
if (File.Exists(fileName))
{
File.Delete(fileName);
}
fileName = null;
} catch (IOException) { }
catch (UnauthorizedAccessException) { }
}
if (!driver.IsOpen)
{
driver = null;
}
string isaMutexName = "Global\\Access_ISABUS.HTP.Method";
try {
isaBusMutex = new Mutex(false, isaMutexName);
} catch (UnauthorizedAccessException) {
try {
isaBusMutex = Mutex.OpenExisting(isaMutexName, MutexRights.Synchronize);
} catch { }
}
string pciMutexName = "Global\\Access_PCI";
try {
pciBusMutex = new Mutex(false, pciMutexName);
} catch (UnauthorizedAccessException) {
try {
pciBusMutex = Mutex.OpenExisting(pciMutexName, MutexRights.Synchronize);
} catch { }
}
}
private static void InitializeKernelDriver()
{
driver = new KernelDriver(KernelDriverId);
driver.Open();
}
public static void Open()
{
System.PlatformID p = Environment.OSVersion.Platform;
// try loading shipped kernel drivers on Unix
// (will probably only work on Linux through)
if (p == PlatformID.Unix)
{
// try loading the `msr` kernel module on Linux (required on ost kernels)
Process modprobe = new Process();
try {
modprobe.StartInfo.FileName = "modprobe";
modprobe.StartInfo.Arguments = "msr";
modprobe.Start();
modprobe.WaitForExit();
} catch (Exception e) {
report.AppendLine(string.Format("Failed to load `msr` kernel driver: {0}", e.Message));
}
return;
}
// following code is Windows NT only
if ((p != PlatformID.Win32NT) && (p != PlatformID.WinCE))
{
return;
}
if (driver != null)
{
return;
}
// clear the current report
report.Length = 0;
InitializeKernelDriver();
if (!driver.IsOpen)
{
// driver is not loaded, try to install and open
InstallKernelDriverCore(
Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
}
if (!driver.IsOpen)
{
driver = null;
}
string mutexName = "Global\\Access_ISABUS.HTP.Method";
try
{
isaBusMutex = new Mutex(false, mutexName);
}
catch (UnauthorizedAccessException)
{
try
{
isaBusMutex = Mutex.OpenExisting(mutexName, MutexRights.Synchronize);
}
catch { }
}
}
public static void Open()
{
// no implementation for unix systems
if (Software.OperatingSystem.IsLinux)
{
return;
}
if (driver != null)
{
return;
}
// clear the current report
report.Length = 0;
driver = new KernelDriver("WinRing0_1_2_0");
driver.Open();
if (!driver.IsOpen)
{
// driver is not loaded, try to install and open
fileName = GetTempFileName();
if (fileName != null && ExtractDriver(fileName))
{
string installError;
if (driver.Install(fileName, out installError))
{
driver.Open();
if (!driver.IsOpen)
{
driver.Delete();
report.AppendLine("Status: Opening driver failed after install");
}
}
else
{
string errorFirstInstall = installError;
// install failed, try to delete and reinstall
driver.Delete();
// wait a short moment to give the OS a chance to remove the driver
Thread.Sleep(2000);
string errorSecondInstall;
if (driver.Install(fileName, out errorSecondInstall))
{
driver.Open();
if (!driver.IsOpen)
{
driver.Delete();
report.AppendLine(
"Status: Opening driver failed after reinstall");
}
}
else
{
report.AppendLine("Status: Installing driver \"" +
fileName + "\" failed" +
(File.Exists(fileName) ? " and file exists" : ""));
report.AppendLine("First Exception: " + errorFirstInstall);
report.AppendLine("Second Exception: " + errorSecondInstall);
}
}
}
else
{
report.AppendLine("Status: Extracting driver failed");
}
try {
// try to delte the driver file
if (File.Exists(fileName))
{
File.Delete(fileName);
}
fileName = null;
} catch (IOException) { }
catch (UnauthorizedAccessException) { }
}
if (!driver.IsOpen)
{
driver = null;
}
string mutexName = "Global\\Access_ISABUS.HTP.Method";
try {
#if NETSTANDARD2_0
isaBusMutex = new Mutex(false, mutexName);
#else
//mutex permissions set to everyone to allow other software to access the hardware
//otherwise other monitoring software cant access
var allowEveryoneRule = new MutexAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null), MutexRights.FullControl, AccessControlType.Allow);
var securitySettings = new MutexSecurity();
securitySettings.AddAccessRule(allowEveryoneRule);
isaBusMutex = new Mutex(false, mutexName, out _, securitySettings);
#endif
}
catch (UnauthorizedAccessException) {
try {
#if NETSTANDARD2_0
isaBusMutex = Mutex.OpenExisting(mutexName);
#else
isaBusMutex = Mutex.OpenExisting(mutexName, MutexRights.Synchronize);
#endif
} catch { }
}
}
public static void Open()
{
// no implementation for unix systems
int p = (int)Environment.OSVersion.Platform;
if ((p == 4) || (p == 128))
{
return;
}
if (driver != null)
{
return;
}
// clear the current report
report.Length = 0;
driver = new KernelDriver("WinRing0_1_2_0");
driver.Open();
if (!driver.IsOpen)
{
// driver is not loaded, try to reinstall and open
driver.Delete();
fileName = GetTempFileName();
if (fileName != null && ExtractDriver(fileName))
{
if (driver.Install(fileName))
{
driver.Open();
if (!driver.IsOpen)
{
driver.Delete();
report.AppendLine("Status: Opening driver failed");
}
}
else
{
report.AppendLine("Status: Installing driver \"" +
fileName + "\" failed" +
(File.Exists(fileName) ? " and file exists" : ""));
report.AppendLine();
report.Append("Exception: " + Marshal.GetExceptionForHR(
Marshal.GetHRForLastWin32Error()).Message);
}
}
else
{
report.AppendLine("Status: Extracting driver failed");
}
try {
// try to delte the driver file
if (File.Exists(fileName))
{
File.Delete(fileName);
}
fileName = null;
} catch (IOException) { }
catch (UnauthorizedAccessException) { }
}
if (!driver.IsOpen)
{
driver = null;
}
string mutexName = "Global\\Access_ISABUS.HTP.Method";
try {
isaBusMutex = new Mutex(false, mutexName);
} catch (UnauthorizedAccessException) {
try {
isaBusMutex = Mutex.OpenExisting(mutexName, MutexRights.Synchronize);
} catch { }
}
}
public static void Open()
{
// no implementation for unix systems
int p = (int)Environment.OSVersion.Platform;
if ((p == 4) || (p == 128))
{
return;
}
if (driver != null)
{
return;
}
// clear the current report
report.Length = 0;
driver = new KernelDriver("WinRing0_1_2_0");
driver.Open();
if (!driver.IsOpen)
{
// driver is not loaded, try to reinstall and open
driver.Delete();
string fileName = Path.GetTempFileName();
if (ExtractDriver(fileName))
{
if (driver.Install(fileName))
{
File.Delete(fileName);
driver.Open();
if (!driver.IsOpen)
{
driver.Delete();
report.AppendLine("Status: Opening driver failed");
}
}
else
{
report.AppendLine("Status: Installing driver \"" +
fileName + "\" failed" +
(File.Exists(fileName) ? " and file exists" : ""));
report.AppendLine();
report.Append("Exception: " + Marshal.GetExceptionForHR(
Marshal.GetHRForLastWin32Error()).Message);
}
}
else
{
report.AppendLine(
"Status: Extracting driver to \"" + fileName + "\" failed");
}
}
if (!driver.IsOpen)
{
driver = null;
}
isaBusMutex = new Mutex(false, "Global\\Access_ISABUS.HTP.Method");
}