Bugzilla Bug #688225 - (dogtagIPAv2.1) TRACKER: of the Dogtag fixes for freeIPA 2.1IPA_v2_RHEL_6_2_20111003

git-svn-id: svn+ssh://svn.fedorahosted.org/svn/pki/tags/IPA_v2_RHEL_6_2_20111003@2252 c9f7a03b-bd48-0410-a16d-cbbf54688b0b

1 files changed, 115 insertions, 0 deletions

diff --git a/pki/base/osutil/src/com/netscape/osutil/OSUtil.java b/pki/base/osutil/src/com/netscape/osutil/OSUtil.java
new file mode 100644
index 000000000..905197435
--- /dev/null
+++ b/pki/base/osutil/src/com/netscape/osutil/OSUtil.java
@@ -0,0 +1,115 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//
+// This program 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 for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package com.netscape.osutil;
+
+import java.io.*;
+import java.util.*;
+
+
+public final class OSUtil {
+    /**
+     * Causes this process to die.  Works more reliably than System.exit().
+     */
+    public static native void nativeExit( int status );
+
+    public static native String BtoA( byte data[] );
+
+    public static native byte[] AtoB( String data );
+
+    static boolean tryLoad( String filename )
+    {
+        try {
+            System.load( filename );
+        } catch( Exception e ) {
+            return false;
+        } catch( UnsatisfiedLinkError e ) {
+            return false;
+        }
+
+        return true;
+    }
+
+    // Load native library
+    static {
+        boolean mNativeLibrariesLoaded = false;
+        String os = System.getProperty( "os.name" );
+        if( ( os.equals( "Linux" ) ) ) {
+            // Check for 64-bit library availability
+            // prior to 32-bit library availability.
+            mNativeLibrariesLoaded =
+                tryLoad( "/usr/lib64/osutil/libosutil.so" );
+            if( mNativeLibrariesLoaded ) {
+                System.out.println( "64-bit osutil library loaded" );
+            } else {
+                // REMINDER:  May be trying to run a 32-bit app
+                //            on 64-bit platform.
+                mNativeLibrariesLoaded =
+                    tryLoad( "/usr/lib/osutil/libosutil.so" );
+                if( mNativeLibrariesLoaded ) {
+                    System.out.println( "32-bit osutil library loaded");
+                } else {
+                    System.out.println( "FAILED loading osutil library!");
+                    System.exit( -1 );
+                }
+            }
+        } else {
+            try {
+                System.loadLibrary( "osutil" );
+                System.out.println( "osutil library loaded" );
+                mNativeLibrariesLoaded = true;
+            } catch( Throwable t ) {
+                // This is bad news, the program is doomed at this point
+                t.printStackTrace();
+            }
+        }
+    }
+
+    public static native int getNTpid();
+
+    /** 
+     * A routine to get the value of an system or environment variable.
+     * @param envName A string of the form <code> env_var=value </code>
+     * @return String value of the environemnt variable. 
+     */
+    public static native String getenv( String envName );
+
+    /** 
+     * A routine to set an environment variable.
+     * @param envName A string of the form <code> env_var=value </code>
+     * @return Return 0 on success, non-zero on failure
+     */
+    public static native int putenv( String envValue );
+
+    /**
+     * A routine to get a file system read lock.
+     * @param filename A file with relative or absolute path
+     * @return Return 0 on getting a unique read lock,
+     *         Return 1 on getting non-unique read lock, -1 on failure
+     */
+    public static native int getFileReadLock( String filename );
+
+    /** 
+     * A routine to get a file system write lock.
+     * @param filename A file with relative or absolute path
+     * @return Return 0 on successfully getting a write lock,
+     *         return 1 if the file is read locked,
+     *         return 2 if the file is write locked, -1 on failure
+     */
+    public static native int getFileWriteLock( String filename );
+}
+