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-rw-r--r--src/java/com/jogamp/common/os/DynamicLibraryBundle.java2
-rw-r--r--src/java/com/jogamp/common/os/DynamicLibraryBundleInfo.java33
-rw-r--r--src/java/com/jogamp/common/os/DynamicLinker.java135
-rw-r--r--src/java/com/jogamp/common/os/NativeLibrary.java27
-rw-r--r--src/java/com/jogamp/common/util/SecurityUtil.java11
-rw-r--r--src/java/jogamp/common/os/BionicDynamicLinkerImpl.java19
-rw-r--r--src/java/jogamp/common/os/MacOSXDynamicLinkerImpl.java19
-rw-r--r--src/java/jogamp/common/os/UnixDynamicLinkerImpl.java15
-rw-r--r--src/java/jogamp/common/os/WindowsDynamicLinkerImpl.java37
-rw-r--r--src/junit/com/jogamp/junit/sec/TestSecIOUtil01.java11
10 files changed, 198 insertions, 111 deletions
diff --git a/src/java/com/jogamp/common/os/DynamicLibraryBundle.java b/src/java/com/jogamp/common/os/DynamicLibraryBundle.java
index fc36908..31ca372 100644
--- a/src/java/com/jogamp/common/os/DynamicLibraryBundle.java
+++ b/src/java/com/jogamp/common/os/DynamicLibraryBundle.java
@@ -324,7 +324,7 @@ public class DynamicLibraryBundle implements DynamicLookupHelper {
long addr = 0;
NativeLibrary lib = null;
- if(info.shallLookupGlobal()) {
+ if( info.shallLookupGlobal() ) {
// Try a global symbol lookup first ..
addr = NativeLibrary.dynamicLookupFunctionGlobal(funcName);
}
diff --git a/src/java/com/jogamp/common/os/DynamicLibraryBundleInfo.java b/src/java/com/jogamp/common/os/DynamicLibraryBundleInfo.java
index dc90eab..ef44298 100644
--- a/src/java/com/jogamp/common/os/DynamicLibraryBundleInfo.java
+++ b/src/java/com/jogamp/common/os/DynamicLibraryBundleInfo.java
@@ -28,14 +28,19 @@
package com.jogamp.common.os;
-import java.util.*;
+import java.util.List;
import com.jogamp.common.util.RunnableExecutor;
+
public interface DynamicLibraryBundleInfo {
public static final boolean DEBUG = DynamicLibraryBundle.DEBUG;
- /** @return a list of Tool library names or alternative library name lists.<br>
+ /**
+ * If a {@link SecurityManager} is installed, user needs link permissions
+ * for the named libraries.
+ *
+ * @return a list of Tool library names or alternative library name lists.<br>
* <ul>
* <li>GL/GLU example Unix: [ [ "libGL.so.1", "libGL.so", "GL" ], [ "libGLU.so", "GLU" ] ] </li>
* <li>GL/GLU example Windows: [ "OpenGL32", "GLU32" ] </li>
@@ -44,7 +49,11 @@ public interface DynamicLibraryBundleInfo {
*/
public List<List<String>> getToolLibNames();
- /** @return a list of Glue library names.<br>
+ /**
+ * If a {@link SecurityManager} is installed, user needs link permissions
+ * for the named libraries.
+ *
+ * @return a list of Glue library names.<br>
* <ul>
* <li>GL: [ "nativewindow_x11", "jogl_gl2es12", "jogl_desktop" ] </li>
* <li>NEWT: [ "nativewindow_x11", "newt" ] </li>
@@ -55,23 +64,21 @@ public interface DynamicLibraryBundleInfo {
*/
public List<String> getGlueLibNames();
- /** May return the native libraries <pre>GetProcAddressFunc</pre> names, the first found function is being used.<br>
+ /**
+ * May return the native libraries <pre>GetProcAddressFunc</pre> names, the first found function is being used.<br>
* This could be eg: <pre> glXGetProcAddressARB, glXGetProcAddressARB </pre>.<br>
* If your Tool does not has this facility, just return null.
* @see #toolGetProcAddress(long, String)
*/
public List<String> getToolGetProcAddressFuncNameList() ;
- /** May implement the lookup function using the Tools facility.<br>
+ /**
+ * May implement the lookup function using the Tools facility.<br>
* The actual function pointer is provided to allow proper bootstrapping of the ProcAddressTable,
* using one of the provided function names by {@link #getToolGetProcAddressFuncNameList()}.<br>
*/
public long toolGetProcAddress(long toolGetProcAddressHandle, String funcName);
- /** May implement the lookup function using the Tools facility.<br>
- * The actual function pointer is provided to allow proper bootstrapping of the ProcAddressTable.<br>
- */
-
/**
* @param funcName
* @return true if {@link #toolGetProcAddress(long, String)} shall be tried before
@@ -83,7 +90,13 @@ public interface DynamicLibraryBundleInfo {
/** @return true if the native library symbols shall be made available for symbol resolution of subsequently loaded libraries. */
public boolean shallLinkGlobal();
- /** @return true if the dynamic symbol lookup shall happen system wide, over all loaded libraries. Otherwise only the loaded native libraries are used for lookup, which shall be the default. */
+ /**
+ * If method returns <code>true</code> <i>and</i> if a {@link SecurityManager} is installed, user needs link permissions
+ * for <b>all</b> libraries, i.e. for <code>new RuntimePermission("loadLibrary.*");</code>!
+ *
+ * @return true if the dynamic symbol lookup shall happen system wide, over all loaded libraries.
+ * Otherwise only the loaded native libraries are used for lookup, which shall be the default.
+ */
public boolean shallLookupGlobal();
/**
diff --git a/src/java/com/jogamp/common/os/DynamicLinker.java b/src/java/com/jogamp/common/os/DynamicLinker.java
index b1671b9..ed52413 100644
--- a/src/java/com/jogamp/common/os/DynamicLinker.java
+++ b/src/java/com/jogamp/common/os/DynamicLinker.java
@@ -1,55 +1,102 @@
-/*
- * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * - Redistribution of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
- * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
- * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
- * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
- * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
- * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
- * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
- * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that this software is not designed or intended for use
- * in the design, construction, operation or maintenance of any nuclear
- * facility.
- *
- * Sun gratefully acknowledges that this software was originally authored
- * and developed by Kenneth Bradley Russell and Christopher John Kline.
+/**
+ * Copyright 2013 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
*/
package com.jogamp.common.os;
-/** Provides an abstract interface to the OS's low-level dynamic
- linking functionality. */
-
+/** Low level secure dynamic linker access. */
public interface DynamicLinker {
public static final boolean DEBUG = NativeLibrary.DEBUG;
public static final boolean DEBUG_LOOKUP = NativeLibrary.DEBUG_LOOKUP;
-
+
+ /**
+ * If a {@link SecurityManager} is installed, user needs link permissions
+ * for the named library.
+ * <p>
+ * Opens the named library, allowing system wide access for other <i>users</i>.
+ * </p>
+ *
+ * @param pathname the full pathname for the library to open
+ * @param debug set to true to enable debugging
+ * @return the library handle, maybe 0 if not found.
+ * @throws SecurityException if user is not granted access for the named library.
+ */
public long openLibraryGlobal(String pathname, boolean debug) throws SecurityException;
+
+ /**
+ * If a {@link SecurityManager} is installed, user needs link permissions
+ * for the named library.
+ * <p>
+ * Opens the named library, restricting access to this process.
+ * </p>
+ *
+ * @param pathname the full pathname for the library to open
+ * @param debug set to true to enable debugging
+ * @return the library handle, maybe 0 if not found.
+ * @throws SecurityException if user is not granted access for the named library.
+ */
public long openLibraryLocal(String pathname, boolean debug) throws SecurityException;
- public long lookupSymbol(long libraryHandle, String symbolName);
- public long lookupSymbolGlobal(String symbolName);
- public void closeLibrary(long libraryHandle);
+
+ /**
+ * If a {@link SecurityManager} is installed, user needs link permissions
+ * for <b>all</b> libraries, i.e. for <code>new RuntimePermission("loadLibrary.*");</code>!
+ *
+ * @param symbolName global symbol name to lookup up system wide.
+ * @return the library handle, maybe 0 if not found.
+ * @throws SecurityException if user is not granted access for all libraries.
+ */
+ public long lookupSymbolGlobal(String symbolName) throws SecurityException;
+
+ /**
+ * Security checks are implicit by previous call of
+ * {@link #openLibraryLocal(String, boolean)} or {@link #openLibraryGlobal(String, boolean)}
+ * retrieving the <code>librarHandle</code>.
+ *
+ * @param libraryHandle a library handle previously retrieved via {@link #openLibraryLocal(String, boolean)} or {@link #openLibraryGlobal(String, boolean)}.
+ * @param symbolName global symbol name to lookup up system wide.
+ * @return the library handle, maybe 0 if not found.
+ * @throws IllegalArgumentException in case case <code>libraryHandle</code> is unknown.
+ */
+ public long lookupSymbol(long libraryHandle, String symbolName) throws IllegalArgumentException;
+
+ /**
+ * Security checks are implicit by previous call of
+ * {@link #openLibraryLocal(String, boolean)} or {@link #openLibraryGlobal(String, boolean)}
+ * retrieving the <code>librarHandle</code>.
+ *
+ * @param libraryHandle a library handle previously retrieved via {@link #openLibraryLocal(String, boolean)} or {@link #openLibraryGlobal(String, boolean)}.
+ * @throws IllegalArgumentException in case case <code>libraryHandle</code> is unknown.
+ */
+ public void closeLibrary(long libraryHandle) throws IllegalArgumentException;
+
+ /**
+ * Returns a string containing the last error.
+ * Maybe called for debuging purposed if any method fails.
+ * @return error string, maybe null. A null or non-null value has no semantics.
+ */
public String getLastError();
}
diff --git a/src/java/com/jogamp/common/os/NativeLibrary.java b/src/java/com/jogamp/common/os/NativeLibrary.java
index 9a86209..3d81479 100644
--- a/src/java/com/jogamp/common/os/NativeLibrary.java
+++ b/src/java/com/jogamp/common/os/NativeLibrary.java
@@ -76,10 +76,6 @@ public final class NativeLibrary implements DynamicLookupHelper {
private static final DynamicLinker dynLink;
private static final String[] prefixes;
private static final String[] suffixes;
- /** TODO: Hide all lookup methods - Then make protected method accessible ..
- private static final Method dynLinkLookupLocal;
- private static final Method dynLinkLookupGlobal;
- */
static {
// Instantiate dynamic linker implementation
@@ -114,23 +110,6 @@ public final class NativeLibrary implements DynamicLookupHelper {
suffixes = new String[] { ".so" };
break;
}
-
- /** TODO: Hide all lookup methods - Then make protected method accessible ..
- // public long lookupSymbol(long libraryHandle, String symbolName);
- // public long lookupSymbolGlobal(String symbolName);
- final Method[] dlLookups = AccessController.doPrivileged(new PrivilegedAction<Method[]>() {
- public Method[] run() {
- final Method[] ms = new Method[2];
- ms[0] = ReflectionUtil.getMethod(dynLink.getClass(), "lookupSymbol", Long.class, String.class);
- ms[0].setAccessible(true);
- ms[1] = ReflectionUtil.getMethod(dynLink.getClass(), "lookupSymbolGlobal", String.class);
- ms[0].setAccessible(true);
- return ms;
- }
- } );
- dynLinkLookupLocal = dlLookups[0];
- dynLinkLookupGlobal = dlLookups[1];
- */
}
// Platform-specific representation for the handle to the open
@@ -258,7 +237,6 @@ public final class NativeLibrary implements DynamicLookupHelper {
throw new RuntimeException("Library is not open");
}
return dynLink.lookupSymbol(libraryHandle, funcName);
- // TODO: return ( (Long) ReflectionUtil.callMethod(dynLink, dynLinkLookupLocal, Long.valueOf(libraryHandle), funcName) ).longValue();
}
@Override
@@ -267,19 +245,16 @@ public final class NativeLibrary implements DynamicLookupHelper {
throw new RuntimeException("Library is not open");
}
return 0 != dynLink.lookupSymbol(libraryHandle, funcName);
- // TODO return 0 != ( (Long) ReflectionUtil.callMethod(dynLink, dynLinkLookupLocal, Long.valueOf(libraryHandle), funcName) ).longValue();
}
/** Looks up the given function name in all loaded libraries. */
public static final long dynamicLookupFunctionGlobal(String funcName) {
return dynLink.lookupSymbolGlobal(funcName);
- // TODO return ( (Long) ReflectionUtil.callMethod(dynLink, dynLinkLookupGlobal, funcName) ).longValue();
}
/** Looks up the given function name in all loaded libraries. */
public static final boolean isFunctionAvailableGlobal(String funcName) {
return 0 != dynLink.lookupSymbolGlobal(funcName);
- // TODO return 0 != ( (Long) ReflectionUtil.callMethod(dynLink, dynLinkLookupGlobal, funcName) ).longValue();
}
/** Retrieves the low-level library handle from this NativeLibrary
@@ -300,7 +275,7 @@ public final class NativeLibrary implements DynamicLookupHelper {
if (DEBUG) {
System.err.println("NativeLibrary.close(): closing " + this);
}
- if (libraryHandle == 0) {
+ if ( 0 == libraryHandle ) {
throw new RuntimeException("Library already closed");
}
long handle = libraryHandle;
diff --git a/src/java/com/jogamp/common/util/SecurityUtil.java b/src/java/com/jogamp/common/util/SecurityUtil.java
index 4d7aa5d..6b35c9c 100644
--- a/src/java/com/jogamp/common/util/SecurityUtil.java
+++ b/src/java/com/jogamp/common/util/SecurityUtil.java
@@ -142,6 +142,17 @@ public class SecurityUtil {
}
/**
+ * Throws an {@link SecurityException} if an installed {@link SecurityManager}
+ * does not permit to dynamically link to all libraries.
+ */
+ public static final void checkAllLinkPermission() throws SecurityException {
+ if( null != securityManager ) {
+ securityManager.checkPermission(allLinkPermission);
+ }
+ }
+ private static final RuntimePermission allLinkPermission = new RuntimePermission("loadLibrary.*");
+
+ /**
* @param clz
* @return
* @throws SecurityException if the caller has no permission to access the ProtectedDomain of the given class.
diff --git a/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java b/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java
index b4ae70e..15d884f 100644
--- a/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java
+++ b/src/java/jogamp/common/os/BionicDynamicLinkerImpl.java
@@ -55,7 +55,13 @@ public final class BionicDynamicLinkerImpl extends UnixDynamicLinkerImpl {
// having to dlsym all entry points. System.loadLibrary() uses
// RTLD_LOCAL visibility so can't be used for this purpose.
SecurityUtil.checkLinkPermission(pathname);
- return dlopen(pathname, RTLD_LAZY | RTLD_LOCAL);
+ final long handle = dlopen(pathname, RTLD_LAZY | RTLD_LOCAL);
+ if( 0 != handle ) {
+ incrLibRefCount(handle, pathname);
+ } else if ( DEBUG || debug ) {
+ System.err.println("dlopen \""+pathname+"\" local failed, error: "+dlerror());
+ }
+ return handle;
}
@Override
@@ -68,11 +74,18 @@ public final class BionicDynamicLinkerImpl extends UnixDynamicLinkerImpl {
// having to dlsym all entry points. System.loadLibrary() uses
// RTLD_LOCAL visibility so can't be used for this purpose.
SecurityUtil.checkLinkPermission(pathname);
- return dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL);
+ final long handle = dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL);
+ if( 0 != handle ) {
+ incrLibRefCount(handle, pathname);
+ } else if ( DEBUG || debug ) {
+ System.err.println("dlopen \""+pathname+"\" global failed, error: "+dlerror());
+ }
+ return handle;
}
@Override
- public final long lookupSymbolGlobal(String symbolName) {
+ public final long lookupSymbolGlobal(String symbolName) throws SecurityException {
+ SecurityUtil.checkAllLinkPermission();
final long addr = dlsym(RTLD_DEFAULT, symbolName);
if(DEBUG_LOOKUP) {
System.err.println("DynamicLinkerImpl.lookupSymbolGlobal("+symbolName+") -> 0x"+Long.toHexString(addr));
diff --git a/src/java/jogamp/common/os/MacOSXDynamicLinkerImpl.java b/src/java/jogamp/common/os/MacOSXDynamicLinkerImpl.java
index b0b77ce..beab5d5 100644
--- a/src/java/jogamp/common/os/MacOSXDynamicLinkerImpl.java
+++ b/src/java/jogamp/common/os/MacOSXDynamicLinkerImpl.java
@@ -53,7 +53,13 @@ public final class MacOSXDynamicLinkerImpl extends UnixDynamicLinkerImpl {
// having to dlsym all entry points. System.loadLibrary() uses
// RTLD_LOCAL visibility so can't be used for this purpose.
SecurityUtil.checkLinkPermission(pathname);
- return dlopen(pathname, RTLD_LAZY | RTLD_LOCAL);
+ final long handle = dlopen(pathname, RTLD_LAZY | RTLD_LOCAL);
+ if( 0 != handle ) {
+ incrLibRefCount(handle, pathname);
+ } else if ( DEBUG || debug ) {
+ System.err.println("dlopen \""+pathname+"\" local failed, error: "+dlerror());
+ }
+ return handle;
}
@Override
@@ -66,11 +72,18 @@ public final class MacOSXDynamicLinkerImpl extends UnixDynamicLinkerImpl {
// having to dlsym all entry points. System.loadLibrary() uses
// RTLD_LOCAL visibility so can't be used for this purpose.
SecurityUtil.checkLinkPermission(pathname);
- return dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL);
+ final long handle = dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL);
+ if( 0 != handle ) {
+ incrLibRefCount(handle, pathname);
+ } else if ( DEBUG || debug ) {
+ System.err.println("dlopen \""+pathname+"\" global failed, error: "+dlerror());
+ }
+ return handle;
}
@Override
- public final long lookupSymbolGlobal(String symbolName) {
+ public final long lookupSymbolGlobal(String symbolName) throws SecurityException {
+ SecurityUtil.checkAllLinkPermission();
final long addr = dlsym(RTLD_DEFAULT, symbolName);
if(DEBUG_LOOKUP) {
System.err.println("DynamicLinkerImpl.lookupSymbolGlobal("+symbolName+") -> 0x"+Long.toHexString(addr));
diff --git a/src/java/jogamp/common/os/UnixDynamicLinkerImpl.java b/src/java/jogamp/common/os/UnixDynamicLinkerImpl.java
index 1942477..25f4072 100644
--- a/src/java/jogamp/common/os/UnixDynamicLinkerImpl.java
+++ b/src/java/jogamp/common/os/UnixDynamicLinkerImpl.java
@@ -27,9 +27,7 @@
*/
package jogamp.common.os;
-import com.jogamp.common.os.DynamicLinker;
-
-/* pp */ abstract class UnixDynamicLinkerImpl implements DynamicLinker {
+/* pp */ abstract class UnixDynamicLinkerImpl extends DynamicLinkerImpl {
//
// Package private scope of class w/ protected native code access
@@ -49,9 +47,11 @@ import com.jogamp.common.os.DynamicLinker;
/** Interface to C language function: <br> <code> void * dlsym(void * , const char * ); </code> */
protected static native long dlsym(long arg0, java.lang.String arg1);
-
@Override
- public final long lookupSymbol(long libraryHandle, String symbolName) {
+ public final long lookupSymbol(long libraryHandle, String symbolName) throws IllegalArgumentException {
+ if( null == getLibRef( libraryHandle ) ) {
+ throw new IllegalArgumentException("Library handle 0x"+Long.toHexString(libraryHandle)+" unknown.");
+ }
final long addr = dlsym(libraryHandle, symbolName);
if(DEBUG_LOOKUP) {
System.err.println("DynamicLinkerImpl.lookupSymbol(0x"+Long.toHexString(libraryHandle)+", "+symbolName+") -> 0x"+Long.toHexString(addr));
@@ -60,7 +60,10 @@ import com.jogamp.common.os.DynamicLinker;
}
@Override
- public final void closeLibrary(long libraryHandle) {
+ public final void closeLibrary(long libraryHandle) throws IllegalArgumentException {
+ if( null == decrLibRefCount( libraryHandle ) ) {
+ throw new IllegalArgumentException("Library handle 0x"+Long.toHexString(libraryHandle)+" unknown.");
+ }
dlclose(libraryHandle);
}
diff --git a/src/java/jogamp/common/os/WindowsDynamicLinkerImpl.java b/src/java/jogamp/common/os/WindowsDynamicLinkerImpl.java
index b95f204..adb2492 100644
--- a/src/java/jogamp/common/os/WindowsDynamicLinkerImpl.java
+++ b/src/java/jogamp/common/os/WindowsDynamicLinkerImpl.java
@@ -27,10 +27,9 @@
*/
package jogamp.common.os;
-import com.jogamp.common.os.DynamicLinker;
import com.jogamp.common.util.SecurityUtil;
-public final class WindowsDynamicLinkerImpl implements DynamicLinker {
+public final class WindowsDynamicLinkerImpl extends DynamicLinkerImpl {
/** Interface to C language function: <br> <code> BOOL FreeLibrary(HANDLE hLibModule); </code> */
private static native int FreeLibrary(long hLibModule);
@@ -44,7 +43,6 @@ public final class WindowsDynamicLinkerImpl implements DynamicLinker {
/** Interface to C language function: <br> <code> HANDLE LoadLibraryW(LPCWSTR lpLibFileName); </code> */
private static native long LoadLibraryW(java.lang.String lpLibFileName);
-
@Override
public final long openLibraryLocal(String libraryName, boolean debug) throws SecurityException {
// How does that work under Windows ?
@@ -55,8 +53,10 @@ public final class WindowsDynamicLinkerImpl implements DynamicLinker {
@Override
public final long openLibraryGlobal(String libraryName, boolean debug) throws SecurityException {
SecurityUtil.checkLinkPermission(libraryName);
- long handle = LoadLibraryW(libraryName);
- if(0==handle && debug) {
+ final long handle = LoadLibraryW(libraryName);
+ if( 0 != handle ) {
+ incrLibRefCount(handle, libraryName);
+ } else if ( DEBUG || debug ) {
int err = GetLastError();
System.err.println("LoadLibraryW \""+libraryName+"\" failed, error code: 0x"+Integer.toHexString(err)+", "+err);
}
@@ -64,7 +64,20 @@ public final class WindowsDynamicLinkerImpl implements DynamicLinker {
}
@Override
- public final long lookupSymbol(long libraryHandle, String symbolName) {
+ public final long lookupSymbolGlobal(String symbolName) throws SecurityException {
+ SecurityUtil.checkAllLinkPermission();
+ if(DEBUG_LOOKUP) {
+ System.err.println("lookupSymbolGlobal: Not supported on Windows");
+ }
+ // allow DynamicLibraryBundle to continue w/ local libs
+ return 0;
+ }
+
+ @Override
+ public final long lookupSymbol(long libraryHandle, String symbolName) throws IllegalArgumentException {
+ if( null == getLibRef( libraryHandle ) ) {
+ throw new IllegalArgumentException("Library handle 0x"+Long.toHexString(libraryHandle)+" unknown.");
+ }
String _symbolName = symbolName;
long addr = GetProcAddressA(libraryHandle, _symbolName);
if(0==addr) {
@@ -84,16 +97,10 @@ public final class WindowsDynamicLinkerImpl implements DynamicLinker {
}
@Override
- public final long lookupSymbolGlobal(String symbolName) {
- if(DEBUG_LOOKUP) {
- System.err.println("lookupSymbolGlobal: Not supported on Windows");
+ public final void closeLibrary(long libraryHandle) throws IllegalArgumentException {
+ if( null == decrLibRefCount( libraryHandle ) ) {
+ throw new IllegalArgumentException("Library handle 0x"+Long.toHexString(libraryHandle)+" unknown.");
}
- // allow DynamicLibraryBundle to continue w/ local libs
- return 0;
- }
-
- @Override
- public final void closeLibrary(long libraryHandle) {
FreeLibrary(libraryHandle);
}
diff --git a/src/junit/com/jogamp/junit/sec/TestSecIOUtil01.java b/src/junit/com/jogamp/junit/sec/TestSecIOUtil01.java
index c47e2df..306e8d8 100644
--- a/src/junit/com/jogamp/junit/sec/TestSecIOUtil01.java
+++ b/src/junit/com/jogamp/junit/sec/TestSecIOUtil01.java
@@ -134,7 +134,7 @@ public class TestSecIOUtil01 extends JunitTracer {
testTempDirImpl(false);
}
- private void testOpenLibraryImpl(boolean global) {
+ private NativeLibrary openLibraryImpl(boolean global) {
final ClassLoader cl = getClass().getClassLoader();
System.err.println("CL "+cl);
@@ -171,8 +171,9 @@ public class TestSecIOUtil01 extends JunitTracer {
System.err.println("Untrusted Library Dir1 (abs): "+libDir1);
final String absLib = libDir1 + "natives/" + libBaseName;
Exception se0 = null;
+ NativeLibrary nlib = null;
try {
- NativeLibrary nlib = NativeLibrary.open(absLib, cl);
+ nlib = NativeLibrary.open(absLib, cl);
System.err.println("NativeLibrary: "+nlib);
} catch (SecurityException e) {
se0 = e;
@@ -189,10 +190,14 @@ public class TestSecIOUtil01 extends JunitTracer {
} else {
Assert.assertNotNull("SecurityException not thrown on loading native library", se0);
}
+ return nlib;
}
public void testOpenLibrary() {
- testOpenLibraryImpl(true);
+ NativeLibrary nlib = openLibraryImpl(true);
+ if( null != nlib ) {
+ nlib.close();
+ }
}
public static void main(String args[]) throws IOException {