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    <p>Try looking at Greg Guerin's <a href="http://www.amug.org/~glguerin/sw/#authkit" rel="noreferrer">AuthKit</a> library. It is a Mac-specific library that wraps <a href="http://developer.apple.com/library/mac/#documentation/Security/Reference/authorization_ref/Reference/reference.html" rel="noreferrer">Mac OS X Authorization Services</a>.</p> <p>Here is an example:</p> <pre><code>import glguerin.authkit.*; Privilege priv = new Privilege("system.privilege.admin"); Authorization auth = new MacOSXAuthorization(); try { // This will cause an authentication prompt to be // shown to the user, requesting the "system.privilege.admin" // privilege. auth.authorize(priv, true); // If we reach this point, we can execute privileged programs. // Load the secured file. Process proc = auth.execPrivileged(new String[] { "/bin/cat", "/root/securefile" }); InputStream inputStream = proc.getInputStream(); // Use standard I/O mechanisms to read the input. } catch (UnauthorizedCancellation e) { // User chose not to authorize the application. // Handle appropriately. } </code></pre> <p>The <code>auth.authorize()</code> call will cause the standard "Please enter your password to allow program X to make changes" dialog. The user can cancel if desired, causing <code>glguerin.authkit.UnauthorizedCancellation</code> to be thrown.</p> <p><img src="https://i.stack.imgur.com/RKwj3.png" alt="screen shot of Mac OS X authorization prompt"></p> <p><strong>This solution has a huge advantage over using <code>sudo</code> or <code>setuid</code>: it only runs the <em>necessary</em> tasks as root.</strong></p> <p>One last gotcha: the default JNI loader for AuthKit uses the Cocoa/Java bridge, which was removed from Mac OS X as of Snow Leopard. So on recent versions of Mac OS X, the code above will fail with <code>UnsatisfiedLinkError</code>. To work around this, use the following:</p> <pre><code>// Put this class somewhere: public class AuthKitLibLoader extends LibLoader { @Override protected File makeFallbackDir() { return new File("."); } } // Then, before calling AuthKit (using the above example), do this: // Hook in our "Snow Leopard-safe" extension to AuthKit (see below). System.setProperty("glguerin.util.LibLoader.imp", AuthKitLibLoader.class.getName()); </code></pre> <p>Finally, be sure to read the <a href="http://www.amug.org/~glguerin/sw/authkit/index.html" rel="noreferrer">AuthKit documentation</a> for more detail.</p>
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    1. POI need to give a java application super user access to view protected files on a mac
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    1. USMatt Solnit
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    1. COWell, with your awesome LibLoader hint AuthKit now finds the jnilib, but neither the new nor the old jnilib from Gregory ( http://www.amug.org/~glguerin/sw/#authkit ) works on 10.8 Mountain Lion. Seems to be a 64bit issue... Can someone recompile the jnilib for x86_64 ?
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