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KeychainStore, more fun with Runtime, for the archives

As near as I can tell the documentation on this pretty much consists of this single line...

KeyStore ks = KeyStore.getInstance("KeychainStore", "Apple");

A little searching and I came up with...

import java.io.*;
import java.security.*;
import java.security.cert.*;
import java.util.Enumeration;
import java.util.StringTokenizer;

public class KeychainStoreTest {

	public static void main(String[] args) {
		try {
			KeyStore ks = KeyStore.getInstance("KeychainStore","Apple");
			String path = rtexec(new String[] { "Security","default-keychain" });
			path = path.substring(path.indexOf("\"")+1,path.lastIndexOf("\""));
			System.out.println(path);
			ks.load(new FileInputStream(path),null);
			Enumeration e = ks.aliases();
			while (e.hasMoreElements())
				System.out.println(e.nextElement());
		}
		catch (Exception ex) { ex.printStackTrace(); }
	}
	
    private static String rtexec(String[] args) {
        try {
            StringBuffer execout = new StringBuffer();
            Process proc = Runtime.getRuntime().exec(args);
            proc.waitFor();
            InputStream inout = proc.getInputStream();
            InputStream inerr = proc.getErrorStream();
            byte []buffer = new byte[256];
            while (true) {
                int stderrLen = inerr.read(buffer, 0, buffer.length);
                if (stderrLen > 0) {
                    execout.append(new String(buffer,0,stderrLen));
                }
                int stdoutLen = inout.read(buffer, 0, buffer.length);
                if (stdoutLen > 0) {
                    execout.append(new String(buffer,0,stdoutLen));
                }
                if (stderrLen < 0 && stdoutLen < 0)
                    break;
            }
            return execout.toString();
        }
        catch(Throwable tossed) { tossed.printStackTrace(); }
        return "-";
    }
}

To fill it out a bit.
The security command looks like it is intended to replace certtool eventually, it also looks like a little more meta in it's handling of the keychain files themselves.
Anyhow, possibly having this in archives will save someone a little of the same searching.
I doesn't look to handle the internationalization characters real nicely. Any quick suggestions to clean that up would be appreciated.


Mike Hall        mikehall at spacestar dot net
http://www.spacestar.net/users/mikehall
http://sourceforge.net/projects/macnative



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