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/*
* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <jni.h>
#include <windows.h>
#include "jni_util.h"
#include "jdk_util.h"
#include <urlmon.h>
typedef HRESULT (WINAPI *CoInternetCreateSecurityManagerType)
(IServiceProvider*,IInternetSecurityManager**,DWORD);
static CoInternetCreateSecurityManagerType fn_CoInternetCreateSecurityManager;
JNIEXPORT jboolean JNICALL
Java_sun_net_www_protocol_http_ntlm_NTLMAuthentication_isTrustedSiteAvailable
(JNIEnv *env, jclass clazz)
{
HMODULE libUrlmon = JDK_LoadSystemLibrary("urlmon.dll");
if (libUrlmon != NULL) {
fn_CoInternetCreateSecurityManager = (CoInternetCreateSecurityManagerType)
GetProcAddress(libUrlmon, "CoInternetCreateSecurityManager");
if (fn_CoInternetCreateSecurityManager != NULL) {
return JNI_TRUE;
}
}
return JNI_FALSE;
}
JNIEXPORT jboolean JNICALL
Java_sun_net_www_protocol_http_ntlm_NTLMAuthentication_isTrustedSite0
(JNIEnv *env, jclass clazz, jstring url)
{
HRESULT hr;
DWORD dwZone;
DWORD pPolicy = 0;
IInternetSecurityManager *spSecurityManager;
jboolean ret;
LPCWSTR bstrURL;
if (fn_CoInternetCreateSecurityManager == NULL)
return JNI_FALSE;
// Create IInternetSecurityManager
hr = fn_CoInternetCreateSecurityManager(NULL, &spSecurityManager, (DWORD)0);
if (FAILED(hr)) {
return JNI_FALSE;
}
bstrURL = (LPCWSTR)((*env)->GetStringChars(env, url, NULL));
if (bstrURL == NULL) {
if (!(*env)->ExceptionCheck(env))
JNU_ThrowOutOfMemoryError(env, NULL);
spSecurityManager->lpVtbl->Release(spSecurityManager);
return JNI_FALSE;
}
// Determines the policy for the URLACTION_CREDENTIALS_USE action and display
// a user interface, if the policy indicates that the user should be queried
hr = spSecurityManager->lpVtbl->ProcessUrlAction(
spSecurityManager,
bstrURL,
URLACTION_CREDENTIALS_USE,
(LPBYTE)&pPolicy,
sizeof(DWORD), 0, 0, 0, 0);
if (FAILED(hr)) {
ret = JNI_FALSE;
goto cleanupAndReturn;
}
// If these two User Authentication Logon options is selected
// Anonymous logon
// Prompt for user name and password
if (pPolicy == URLPOLICY_CREDENTIALS_ANONYMOUS_ONLY ||
pPolicy == URLPOLICY_CREDENTIALS_MUST_PROMPT_USER) {
ret = JNI_FALSE;
goto cleanupAndReturn;
}
// Option "Automatic logon with current user name and password" is selected
if (pPolicy == URLPOLICY_CREDENTIALS_SILENT_LOGON_OK) {
ret = JNI_TRUE;
goto cleanupAndReturn;
}
// Option "Automatic logon only in intranet zone" is selected
if (pPolicy == URLPOLICY_CREDENTIALS_CONDITIONAL_PROMPT) {
// Gets the zone index from the specified URL
hr = spSecurityManager->lpVtbl->MapUrlToZone(
spSecurityManager, bstrURL, &dwZone, 0);
if (FAILED(hr)) {
ret = JNI_FALSE;
goto cleanupAndReturn;
}
// Check if the URL is in Local or Intranet zone
if (dwZone == URLZONE_INTRANET || dwZone == URLZONE_LOCAL_MACHINE) {
ret = JNI_TRUE;
goto cleanupAndReturn;
}
}
ret = JNI_FALSE;
cleanupAndReturn:
(*env)->ReleaseStringChars(env, url, bstrURL);
spSecurityManager->lpVtbl->Release(spSecurityManager);
return ret;
}
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