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7033865: JDK: Add private API for secure/restrictive loading of system dlls

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Reviewed-by: alanb
This commit is contained in:
Chris Hegarty 2011-04-05 14:49:03 +01:00
parent 7b37da8726
commit e33b64329a
4 changed files with 92 additions and 1 deletions
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1
jdk/src/share/native/common/jdk_util.h
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@ -28,6 +28,7 @@
#include "jni.h"
#include "jvm.h"
#include "jdk_util_md.h"
#ifdef __cplusplus
extern "C" {

26
jdk/src/solaris/native/common/jdk_util_md.h Normal file
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@ -0,0 +1,26 @@
/*
* Copyright (c) 2011 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.
*/
// Currently, there are no unix specific functions defined.

24
jdk/src/windows/native/common/jdk_util_md.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2005, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2011, 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
@ -38,3 +38,25 @@ int JDK_InitJvmHandle() {
void* JDK_FindJvmEntry(const char* name) {
return (void*) GetProcAddress(jvm_handle, name);
}
JNIEXPORT HMODULE JDK_LoadSystemLibrary(const char* name) {
HMODULE handle = NULL;
char path[MAX_PATH];
int ret;
if (GetSystemDirectory(path, sizeof(path)) != 0) {
strcat(path, "\\");
strcat(path, name);
handle = LoadLibrary(path);
}
if (handle == NULL) {
if (GetWindowsDirectory(path, sizeof(path)) != 0) {
strcat(path, "\\");
strcat(path, name);
handle = LoadLibrary(path);
}
}
return handle;
}

42
jdk/src/windows/native/common/jdk_util_md.h Normal file
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@ -0,0 +1,42 @@
/*
* Copyright (c) 2011 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.
*/
#ifndef JDK_UTIL_MD_H
#define JDK_UTIL_MD_H
#include "jni.h"
#ifdef __cplusplus
extern "C" {
#endif
JNIEXPORT HMODULE JDK_LoadSystemLibrary(const char* name);
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* JDK_UTIL_MD_H */