0N/A/*
2362N/A * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A#include <stdio.h>
0N/A#include <stdlib.h>
0N/A#include <string.h>
0N/A
0N/A#include <dlfcn.h>
0N/A
0N/A#include <jni_util.h>
0N/A
0N/A#include "j2secmod.h"
0N/A
0N/Avoid *findFunction(JNIEnv *env, jlong jHandle, const char *functionName) {
0N/A void *hModule = (void*)jHandle;
0N/A void *fAddress = dlsym(hModule, functionName);
0N/A if (fAddress == NULL) {
0N/A char errorMessage[256];
0N/A snprintf(errorMessage, sizeof(errorMessage), "Symbol not found: %s", functionName);
0N/A JNU_ThrowNullPointerException(env, errorMessage);
0N/A return NULL;
0N/A }
0N/A return fAddress;
0N/A}
0N/A
0N/AJNIEXPORT jlong JNICALL Java_sun_security_pkcs11_Secmod_nssGetLibraryHandle
0N/A (JNIEnv *env, jclass thisClass, jstring jLibName)
0N/A{
0N/A const char *libName = (*env)->GetStringUTFChars(env, jLibName, NULL);
0N/A // look up existing handle only, do not load
0N/A void *hModule = dlopen(libName, RTLD_NOLOAD);
0N/A dprintf2("-handle for %s: %u\n", libName, hModule);
0N/A (*env)->ReleaseStringUTFChars(env, jLibName, libName);
0N/A return (jlong)hModule;
0N/A}
0N/A
0N/AJNIEXPORT jlong JNICALL Java_sun_security_pkcs11_Secmod_nssLoadLibrary
0N/A (JNIEnv *env, jclass thisClass, jstring jLibName)
0N/A{
0N/A void *hModule;
0N/A const char *libName = (*env)->GetStringUTFChars(env, jLibName, NULL);
0N/A
0N/A dprintf1("-lib %s\n", libName);
0N/A hModule = dlopen(libName, RTLD_LAZY);
0N/A (*env)->ReleaseStringUTFChars(env, jLibName, libName);
0N/A dprintf2("-handle: %u (0X%X)\n", hModule, hModule);
0N/A
0N/A if (hModule == NULL) {
0N/A JNU_ThrowIOException(env, dlerror());
0N/A return 0;
0N/A }
0N/A
0N/A return (jlong)hModule;
0N/A}