Mercurial > hg > openjdk > jdk7 > jdk
view src/windows/native/sun/tracing/dtrace/jvm_symbols_md.c @ 4311:f8eddc85cc02
7003964: SERV: securely load DLLs and launch executables using fully qualified path
Summary: Linked in Windows libraries that are available on jdk7 supported platforms, and used GetModuleHandle instead of LoadLibrary for already loaded Dlls.
Reviewed-by: dcubed, alanb
author | zgu |
---|---|
date | Fri, 15 Apr 2011 09:53:05 -0400 |
parents | 00cd9dc3c2b5 |
children |
line wrap: on
line source
/* * Copyright (c) 2008, 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 <windows.h> #include <stdio.h> #include <string.h> #include <errno.h> #include <jvm.h> #include "jvm_symbols.h" JvmSymbols* lookupJvmSymbols() { JvmSymbols* syms = (JvmSymbols*)malloc(sizeof(JvmSymbols)); if (syms != NULL) { HINSTANCE jvm = GetModuleHandle("jvm.dll"); if (jvm == NULL) { free(syms); return NULL; } syms->GetVersion = (GetVersion_t) GetProcAddress(jvm, "JVM_DTraceGetVersion"); syms->IsSupported = (IsSupported_t) GetProcAddress(jvm, "JVM_DTraceIsSupported"); syms->Activate = (Activate_t) GetProcAddress(jvm, "JVM_DTraceActivate"); syms->Dispose = (Dispose_t) GetProcAddress(jvm, "JVM_DTraceDispose"); syms->IsProbeEnabled = (IsProbeEnabled_t) GetProcAddress(jvm, "JVM_DTraceIsProbeEnabled"); (void)FreeLibrary(jvm); if ( syms->GetVersion == NULL || syms->IsSupported == NULL || syms->Activate == NULL || syms->Dispose == NULL || syms->IsProbeEnabled == NULL) { free(syms); syms = NULL; } } return syms; }