internal static extern int RegSetValueEx(
SafeRegistryHandle hKey,
String lpValueName,
int Reserved,
RegistryValueKind dwType,
String lpData,
int cbData);
static void UnmapRegistryKey(RegistryKey registryKey)
{
using (var emptyHandle = new SafeRegistryHandle(IntPtr.Zero, true))
{
Win32Api.Registry.RedirectRegistryKey(registryKey.Handle, emptyHandle);
}
}
public IRegistryKey FromHandle(
SafeRegistryHandle handle,
RegistryView view
)
{
return new RegistryKeyWrap(RegistryKey.FromHandle(handle, view));
}
internal static extern int RegQueryValueEx(
SafeRegistryHandle hKey,
String lpValueName,
int[] lpReserved,
ref int lpType,
[Out]StringBuilder lpData,
ref int lpcbData);
internal unsafe static extern int RegEnumKeyEx(
SafeRegistryHandle hKey,
int dwIndex,
char* lpName,
ref int lpcbName,
int[] lpReserved,
[Out]StringBuilder lpClass,
int[] lpcbClass,
long[] lpftLastWriteTime);
internal static extern unsafe int RegEnumValue(
SafeRegistryHandle hKey,
int dwIndex,
char* lpValueName,
ref int lpcbValueName,
IntPtr lpReserved_MustBeZero,
int[] lpType,
byte[] lpData,
int[] lpcbData);
internal static extern int RegCreateKeyEx(
SafeRegistryHandle hKey,
String lpSubKey,
int Reserved,
String lpClass,
int dwOptions,
int samDesired,
ref SECURITY_ATTRIBUTES secAttrs,
out SafeRegistryHandle hkResult,
out int lpdwDisposition);
internal static extern int RegQueryInfoKey(
SafeRegistryHandle hKey,
[Out]StringBuilder lpClass,
int[] lpcbClass,
IntPtr lpReserved_MustBeZero,
ref int lpcSubKeys,
int[] lpcbMaxSubKeyLen,
int[] lpcbMaxClassLen,
ref int lpcValues,
int[] lpcbMaxValueNameLen,
int[] lpcbMaxValueLen,
int[] lpcbSecurityDescriptor,
int[] lpftLastWriteTime);
private RegistryKey(SafeRegistryHandle hkey, bool writable, bool systemkey, bool remoteKey, bool isPerfData, RegistryView view)
{
this.hkey = hkey;
this.keyName = "";
this.remoteKey = remoteKey;
this.regView = view;
if (systemkey)
{
this.state |= 2;
}
if (writable)
{
this.state |= 4;
}
if (isPerfData)
{
this.state |= 8;
}
ValidateKeyView(view);
}
internal void Persist(SafeRegistryHandle hKey, string keyName)
{
new RegistryPermission(RegistryPermissionAccess.NoAccess, AccessControlActions.Change, keyName).Demand();
base.WriteLock();
try
{
AccessControlSections accessControlSectionsFromChanges = this.GetAccessControlSectionsFromChanges();
if (accessControlSectionsFromChanges != AccessControlSections.None)
{
bool flag;
bool flag2;
base.Persist(hKey, accessControlSectionsFromChanges);
base.AccessRulesModified = flag = false;
base.AuditRulesModified = flag2 = flag;
base.OwnerModified = base.GroupModified = flag2;
}
}
finally
{
base.WriteUnlock();
}
}
/// <summary>
/// Creates a RegistryKey.
/// This key is bound to hkey, if writable is <b>false</b> then no write operations
/// will be allowed. If systemkey is set then the hkey won't be released
/// when the object is GC'ed.
/// The remoteKey flag when set to true indicates that we are dealing with registry entries
/// on a remote machine and requires the program making these calls to have full trust.
/// </summary>
private RegistryKey(SafeRegistryHandle hkey, bool writable, bool systemkey, bool remoteKey, bool isPerfData, RegistryView view)
{
ValidateKeyView(view);
_hkey = hkey;
_keyName = "";
_remoteKey = remoteKey;
_regView = view;
if (systemkey)
{
_state |= StateFlags.SystemKey;
}
if (writable)
{
_state |= StateFlags.WriteAccess;
}
if (isPerfData)
{
_state |= StateFlags.PerfData;
}
}
public static RegistryKey FromHandle(SafeRegistryHandle handle)
{
return FromHandle(handle, RegistryView.Default);
}
public RegistryHandler(int hKey)
{
key_found = false;
SafeRegistryHandle safeRegistryHandle = new SafeRegistryHandle(new IntPtr(hKey), true);
root_key = RegistryKey.FromHandle(safeRegistryHandle);
}
public RegistryKey FromHandle (SafeRegistryHandle handle)
{
// At this point we can't tell whether the key is writable
// or not (nor the name), so we let the error check code handle it later, as
// .Net seems to do.
return new RegistryKey (handle.DangerousGetHandle (), String.Empty, true);
}
/// <summary>
/// Override a registry hive key to another registry key.
/// </summary>
/// <param name="key">Handle of the key to override.</param>
/// <param name="newKey">Handle to override key.</param>
internal static void RedirectRegistryKey(SafeRegistryHandle key, SafeRegistryHandle newKey)
{
if (0 != RegOverridePredefKey(key, newKey))
{
throw new Exception();
}
}
internal static extern int RegOpenKeyEx(IntPtr hKey, String lpSubKey,
int ulOptions, int samDesired, out SafeRegistryHandle hkResult);
public static RegistryKey FromHandle (SafeRegistryHandle handle)
{
if (handle == null)
throw new ArgumentNullException ("handle");
return RegistryApi.FromHandle (handle);
}
internal static extern int RegDeleteKey(SafeRegistryHandle hKey, String lpSubKey);
internal static extern int RegDeleteKeyEx(SafeRegistryHandle hKey, String lpSubKey,
int samDesired, int Reserved);
static extern int RegOverridePredefKey(SafeRegistryHandle key, SafeRegistryHandle newKey);
internal static extern int RegConnectRegistry(String machineName,
SafeRegistryHandle key, out SafeRegistryHandle result);
internal RegistrySecurity(SafeRegistryHandle hKey, string name, AccessControlSections includeSections) : base(true, ResourceType.RegistryKey, hKey, includeSections, new NativeObjectSecurity.ExceptionFromErrorCode(RegistrySecurity._HandleErrorCode), null)
{
new RegistryPermission(RegistryPermissionAccess.NoAccess, AccessControlActions.View, name).Demand();
}
public RegistryKey FromHandle (SafeRegistryHandle handle)
{
throw new NotImplementedException ();
}
public static RegistryKey FromHandle (SafeRegistryHandle handle, RegistryView view)
{
return FromHandle (handle);
}
public static RegistryKey FromHandle(SafeRegistryHandle handle, RegistryView view)
{
if (handle == null) throw new ArgumentNullException(nameof(handle));
ValidateKeyView(view);
return new RegistryKey(handle, writable: true, view: view);
}
internal static extern int RegDeleteValue(SafeRegistryHandle hKey, String lpValueName);
/// <summary>
/// Creates a RegistryKey. This key is bound to hkey, if writable is <b>false</b> then no write operations will be allowed.
/// </summary>
private RegistryKey(SafeRegistryHandle hkey, bool writable, RegistryView view) :
this(hkey, writable, false, false, false, view)
{
}
internal static extern int RegFlushKey(SafeRegistryHandle hKey);
public void Dispose()
{
if (_hkey != null)
{
if (!IsSystemKey())
{
try
{
_hkey.Dispose();
}
catch (IOException)
{
// we don't really care if the handle is invalid at this point
}
finally
{
_hkey = null;
}
}
else if (IsPerfDataKey())
{
ClosePerfDataKey();
}
}
}
/// <summary>
/// Close the current registry key and flushes the state of the registry
/// right away.
/// </summary>
public void Close()
{
Flush ();
// a handle to a remote hive must be closed, while one to a local
// hive should not be closed
if (!isRemoteRoot && IsRoot)
return;
RegistryApi.Close (this);
handle = null;
safe_handle = null;
}
