Examples with SecBufferDesc com.sun.jna.platform.win32.Sspi.SecBufferDesc used on opensource projects

Example 6 with SecBufferDesc

use of com.sun.jna.platform.win32.Sspi.SecBufferDesc in project jna by java-native-access.

the class Secur32Test method testImpersonateRevertSecurityContext.

public void testImpersonateRevertSecurityContext() {
    // client ----------- acquire outbound credential handle
    CredHandle phClientCredential = new CredHandle();
    TimeStamp ptsClientExpiry = new TimeStamp();
    assertEquals(W32Errors.SEC_E_OK, Secur32.INSTANCE.AcquireCredentialsHandle(null, "Negotiate", Sspi.SECPKG_CRED_OUTBOUND, null, null, null, null, phClientCredential, ptsClientExpiry));
    // client ----------- security context
    CtxtHandle phClientContext = new CtxtHandle();
    IntByReference pfClientContextAttr = new IntByReference();
    // server ----------- acquire inbound credential handle
    CredHandle phServerCredential = new CredHandle();
    TimeStamp ptsServerExpiry = new TimeStamp();
    assertEquals(W32Errors.SEC_E_OK, Secur32.INSTANCE.AcquireCredentialsHandle(null, "Negotiate", Sspi.SECPKG_CRED_INBOUND, null, null, null, null, phServerCredential, ptsServerExpiry));
    // server ----------- security context
    CtxtHandle phServerContext = new CtxtHandle();
    SecBufferDesc pbServerToken = null;
    IntByReference pfServerContextAttr = new IntByReference();
    int clientRc = W32Errors.SEC_I_CONTINUE_NEEDED;
    int serverRc = W32Errors.SEC_I_CONTINUE_NEEDED;
    do {
        // client ----------- initialize security context, produce a client token
        // client token returned is always new
        SecBufferDesc pbClientToken = new SecBufferDesc(Sspi.SECBUFFER_TOKEN, Sspi.MAX_TOKEN_SIZE);
        if (clientRc == W32Errors.SEC_I_CONTINUE_NEEDED) {
            // server token is empty the first time
            SecBufferDesc pbServerTokenCopy = pbServerToken == null ? null : new SecBufferDesc(Sspi.SECBUFFER_TOKEN, pbServerToken.getBytes());
            clientRc = Secur32.INSTANCE.InitializeSecurityContext(phClientCredential, phClientContext.isNull() ? null : phClientContext, Advapi32Util.getUserName(), Sspi.ISC_REQ_CONNECTION, 0, Sspi.SECURITY_NATIVE_DREP, pbServerTokenCopy, 0, phClientContext, pbClientToken, pfClientContextAttr, null);
            assertTrue(clientRc == W32Errors.SEC_I_CONTINUE_NEEDED || clientRc == W32Errors.SEC_E_OK);
        }
        // server ----------- accept security context, produce a server token
        if (serverRc == W32Errors.SEC_I_CONTINUE_NEEDED) {
            pbServerToken = new SecBufferDesc(Sspi.SECBUFFER_TOKEN, Sspi.MAX_TOKEN_SIZE);
            SecBufferDesc pbClientTokenByValue = new SecBufferDesc(Sspi.SECBUFFER_TOKEN, pbClientToken.getBytes());
            serverRc = Secur32.INSTANCE.AcceptSecurityContext(phServerCredential, phServerContext.isNull() ? null : phServerContext, pbClientTokenByValue, Sspi.ISC_REQ_CONNECTION, Sspi.SECURITY_NATIVE_DREP, phServerContext, pbServerToken, pfServerContextAttr, ptsServerExpiry);
            assertTrue(serverRc == W32Errors.SEC_I_CONTINUE_NEEDED || serverRc == W32Errors.SEC_E_OK);
        }
    } while (serverRc != W32Errors.SEC_E_OK || clientRc != W32Errors.SEC_E_OK);
    // impersonate
    assertEquals(W32Errors.SEC_E_OK, Secur32.INSTANCE.ImpersonateSecurityContext(phServerContext));
    assertEquals(W32Errors.SEC_E_OK, Secur32.INSTANCE.RevertSecurityContext(phServerContext));
    // release server context
    assertEquals(W32Errors.SEC_E_OK, Secur32.INSTANCE.DeleteSecurityContext(phServerContext));
    assertEquals(W32Errors.SEC_E_OK, Secur32.INSTANCE.FreeCredentialsHandle(phServerCredential));
    // release client context
    assertEquals(W32Errors.SEC_E_OK, Secur32.INSTANCE.DeleteSecurityContext(phClientContext));
    assertEquals(W32Errors.SEC_E_OK, Secur32.INSTANCE.FreeCredentialsHandle(phClientCredential));
}