mirror of http://galexander.org/git/simplesshd.git
to delete the authorized_keys file and revert to single-use passwordssigsegv_dump
Greg Alexander
8 years ago
parent
4d888fdd81
commit
0523529968
@ -1,133 +0,0 @@
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package org.galexander.sshd;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.text.InputType;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.os.Messenger;
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import android.view.View;
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import android.widget.EditText;
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import android.widget.Toast;
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public class AuthKeys extends Activity {
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private EditText authtext;
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private String authtext_orig;
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.authkeys);
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authtext = (EditText)findViewById(R.id.authtext);
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authtext_orig = null;
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}
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public void onResume() {
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super.onResume();
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AuthKeysLoad.go(this);
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}
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public void onPause() {
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save_authtext();
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super.onPause();
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}
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public void fetch_clicked(View v) {
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AlertDialog.Builder ab = new AlertDialog.Builder(this);
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ab.setTitle("Fetch authorized_keys");
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final EditText url = new EditText(this);
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url.setInputType(InputType.TYPE_CLASS_TEXT |
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InputType.TYPE_TEXT_VARIATION_URI);
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ab.setView(url);
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ab.setPositiveButton("OK",
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface d, int which) {
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start_fetch(url.getText().toString());
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} });
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ab.setNegativeButton("Cancel",
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface d, int which) {
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d.cancel();
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} });
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ab.show();
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}
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public void cancel_clicked(View v) {
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authtext_orig = null;
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finish();
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}
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public void save_clicked(View v) {
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save_authtext();
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finish();
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}
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private void save_authtext() {
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String s = get_authtext();
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if ((s != null) && ((authtext_orig != null) ||
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!s.equals(authtext_orig))) {
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Intent i = new Intent(this, AuthKeysSave.class);
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i.putExtra("s", s);
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startService(i);
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}
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/* so that we won't save it again */
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authtext_orig = null;
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}
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private String get_authtext() {
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if (authtext != null) {
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return authtext.getText().toString();
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}
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return null;
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}
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/* called from AuthKeysLoad, which puts it on the UI thread */
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public void set_authtext(String s) {
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if (authtext != null) {
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authtext.setText(s);
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authtext_orig = s;
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}
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}
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/* called from AuthKeysFetch, from its own thread */
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public void append_authtext(String s) {
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if (authtext != null) {
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String t = get_authtext();
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if (t == null) {
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t = "";
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}
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if (!t.endsWith("\n")) {
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t += "\n";
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}
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t += s;
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authtext.setText(t);
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}
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}
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private void start_fetch(String url) {
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Intent i = new Intent(this, AuthKeysFetch.class);
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final Context ctx = this;
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i.putExtra("url", url);
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i.putExtra("m", new Messenger(new Handler() {
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public void handleMessage(Message msg) {
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Object o = msg.obj;
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if (o == null) {
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return;
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}
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String s = (String)o;
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int n = msg.arg1;
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if (n == 0) {
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/* s is data read from the url */
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append_authtext(s);
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} else {
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/* s must be an error message */
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Toast.makeText(ctx, s,
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Toast.LENGTH_LONG).show();
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}
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} } ));
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startService(i);
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}
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}
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@ -1,60 +0,0 @@
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package org.galexander.sshd;
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import android.app.IntentService;
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import android.content.Intent;
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import android.os.Message;
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import android.os.Messenger;
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import java.io.InputStream;
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import java.net.URL;
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import java.net.HttpURLConnection;
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public class AuthKeysFetch extends IntentService {
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public AuthKeysFetch() {
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super("SimpleSSHDAuthKeysFetch");
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}
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protected void onHandleIntent(Intent i) {
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Messenger m = (Messenger)i.getParcelableExtra("m");
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Message msg = Message.obtain();
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String url = i.getStringExtra("url");
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String result = "";
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byte[] b = new byte[1024];
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try {
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if (url == null) {
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throw new Exception("no url");
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}
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URL u = new URL(url);
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HttpURLConnection conn = (HttpURLConnection)
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u.openConnection();
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try {
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InputStream in = conn.getInputStream();
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try {
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while (result.length() < 65536) {
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int r = in.read(b);
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if (r <= 0) {
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break;
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}
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result += new String(b, 0, r);
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}
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} finally {
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in.close();
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}
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} finally {
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conn.disconnect();
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}
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if (result.equals("")) {
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throw new Exception("empty file");
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}
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msg.arg1 = 0;
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msg.obj = result;
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} catch (Exception e) {
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msg.arg1 = 1;
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msg.obj = "HTTP fetch: " + e.getMessage();
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}
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try {
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m.send(msg);
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} catch (Exception e) { }
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}
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}
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@ -1,58 +0,0 @@
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package org.galexander.sshd;
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import android.app.Activity;
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import android.os.AsyncTask;
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import android.widget.Toast;
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import java.io.File;
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import java.io.FileInputStream;
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public class AuthKeysLoad extends AsyncTask<Void,Void,Void> {
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private AuthKeys act = null;
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private String result = null;
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private String error = null;
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public static void go(AuthKeys act_) {
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(new AuthKeysLoad(act_)).execute();
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}
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AuthKeysLoad(AuthKeys act_) {
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super();
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act = act_;
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}
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protected Void doInBackground(Void... v) {
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try {
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File f = new File(Prefs.get_path(), "authorized_keys");
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FileInputStream fis = new FileInputStream(f);
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byte b[] = new byte[1024];
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result = "";
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try {
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while (true) {
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int r = fis.read(b);
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if (r <= 0) {
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break;
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}
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result += new String(b, 0, r);
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}
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} finally {
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fis.close();
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}
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} catch (Exception e) {
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error = e.getMessage();
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}
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return null;
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}
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protected void onPostExecute(Void v) {
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if (result != null) {
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act.set_authtext(result);
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} else if (error != null) {
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Toast.makeText(act,
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"failed to load authorized_keys: " + error,
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Toast.LENGTH_LONG).show();
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}
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}
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}
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@ -1,36 +0,0 @@
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package org.galexander.sshd;
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import android.app.IntentService;
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import android.content.Intent;
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import java.io.File;
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import java.io.FileOutputStream;
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public class AuthKeysSave extends IntentService {
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public AuthKeysSave() {
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super("SimpleSSHDAuthKeysSave");
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}
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protected void onHandleIntent(Intent i) {
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String s = i.getStringExtra("s");
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if (s == null) {
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return;
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}
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try {
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File p = new File(Prefs.get_path());
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if (!p.exists()) {
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p.mkdirs();
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}
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File f = new File(p, "authorized_keys");
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FileOutputStream fos = new FileOutputStream(f);
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int ofs = 0;
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try {
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fos.write(s.getBytes());
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} finally {
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fos.close();
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}
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} catch (Exception e) {
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SimpleSSHD.toast(
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"authorized_keys save failed: "+e.getMessage());
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}
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}
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}
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