jdk/src/windows/native/sun/security/pkcs11/j2secmod_md.c
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/native/sun/security/pkcs11/j2secmod_md.c	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <jni_util.h>
+
+#include "j2secmod.h"
+
+void *findFunction(JNIEnv *env, jlong jHandle, const char *functionName) {
+    HINSTANCE hModule = (HINSTANCE)jHandle;
+    void *fAddress = GetProcAddress(hModule, functionName);
+    if (fAddress == NULL) {
+        char errorMessage[256];
+        _snprintf(errorMessage, sizeof(errorMessage), "Symbol not found: %s", functionName);
+        JNU_ThrowNullPointerException(env, errorMessage);
+        return NULL;
+    }
+    return fAddress;
+}
+
+JNIEXPORT jlong JNICALL Java_sun_security_pkcs11_Secmod_nssGetLibraryHandle
+  (JNIEnv *env, jclass thisClass, jstring jLibName)
+{
+    const char *libName = (*env)->GetStringUTFChars(env, jLibName, NULL);
+    HMODULE hModule = GetModuleHandle(libName);
+    dprintf2("-handle for %s: %d\n", libName, hModule);
+    (*env)->ReleaseStringUTFChars(env, jLibName, libName);
+    return (jlong)hModule;
+}
+
+JNIEXPORT jlong JNICALL Java_sun_security_pkcs11_Secmod_nssLoadLibrary
+  (JNIEnv *env, jclass thisClass, jstring jName)
+{
+    HINSTANCE hModule;
+    LPVOID lpMsgBuf;
+
+    const char *libName = (*env)->GetStringUTFChars(env, jName, NULL);
+    dprintf1("-lib %s\n", libName);
+
+    hModule = LoadLibrary(libName);
+    (*env)->ReleaseStringUTFChars(env, jName, libName);
+
+    if (hModule == NULL) {
+        FormatMessage(
+            FORMAT_MESSAGE_ALLOCATE_BUFFER |
+            FORMAT_MESSAGE_FROM_SYSTEM |
+            FORMAT_MESSAGE_IGNORE_INSERTS,
+            NULL,
+            GetLastError(),
+            0, /* Default language */
+            (LPTSTR) &lpMsgBuf,
+            0,
+            NULL
+        );
+        dprintf1("-error: %s\n", lpMsgBuf);
+        JNU_ThrowIOException(env, (char*)lpMsgBuf);
+        LocalFree(lpMsgBuf);
+        return 0;
+    }
+    dprintf2("-handle: %d (0X%X)\n", hModule, hModule);
+    return (jlong)hModule;
+}