1 /*
2 * MIT License
3 *
4 * Copyright (c) 2010-2024 The Waffle Project Contributors: https://github.com/Waffle/waffle/graphs/contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 package waffle.windows.auth.impl;
25
26 import com.sun.jna.platform.win32.Secur32;
27 import com.sun.jna.platform.win32.Sspi.CtxtHandle;
28 import com.sun.jna.platform.win32.Win32Exception;
29 import com.sun.jna.platform.win32.WinError;
30
31 import waffle.windows.auth.IWindowsImpersonationContext;
32
33 /**
34 * The Class WindowsSecurityContextImpersonationContextImpl.
35 */
36 public class WindowsSecurityContextImpersonationContextImpl implements IWindowsImpersonationContext {
37
38 /** The ctx. */
39 private final CtxtHandle ctx;
40
41 /**
42 * Instantiates a new windows security context impersonation context impl.
43 *
44 * @param newCtx
45 * the new ctx
46 */
47 public WindowsSecurityContextImpersonationContextImpl(final CtxtHandle newCtx) {
48 final int rc = Secur32.INSTANCE.ImpersonateSecurityContext(newCtx);
49 if (rc != WinError.SEC_E_OK) {
50 throw new Win32Exception(rc);
51 }
52
53 this.ctx = newCtx;
54 }
55
56 @Override
57 public void revertToSelf() {
58 final int rc = Secur32.INSTANCE.RevertSecurityContext(this.ctx);
59 if (rc != WinError.SEC_E_OK) {
60 throw new Win32Exception(rc);
61 }
62 }
63 }