1 files changed, 219 insertions, 0 deletions
diff --git a/app/src/main/java/org/connectbot/transport/Local.java b/app/src/main/java/org/connectbot/transport/Local.java
new file mode 100644
index 0000000..5ace1b0
--- /dev/null
+++ b/app/src/main/java/org/connectbot/transport/Local.java
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+/*
+ * ConnectBot: simple, powerful, open-source SSH client for Android
+ * Copyright 2007 Kenny Root, Jeffrey Sharkey
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.connectbot.transport;
+
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.Map;
+
+import org.connectbot.R;
+import org.connectbot.bean.HostBean;
+import org.connectbot.service.TerminalBridge;
+import org.connectbot.service.TerminalManager;
+import org.connectbot.util.HostDatabase;
+
+import android.content.Context;
+import android.net.Uri;
+import android.util.Log;
+
+import com.google.ase.Exec;
+
+/**
+ * @author Kenny Root
+ *
+ */
+public class Local extends AbsTransport {
+	private static final String TAG = "ConnectBot.Local";
+	private static final String PROTOCOL = "local";
+
+	private static final String DEFAULT_URI = "local:#Local";
+
+	private FileDescriptor shellFd;
+
+	private FileInputStream is;
+	private FileOutputStream os;
+
+	/**
+	 *
+	 */
+	public Local() {
+	}
+
+	/**
+	 * @param host
+	 * @param bridge
+	 * @param manager
+	 */
+	public Local(HostBean host, TerminalBridge bridge, TerminalManager manager) {
+		super(host, bridge, manager);
+	}
+
+	public static String getProtocolName() {
+		return PROTOCOL;
+	}
+
+	@Override
+	public void close() {
+		try {
+			if (os != null) {
+				os.close();
+				os = null;
+			}
+			if (is != null) {
+				is.close();
+				is = null;
+			}
+		} catch (IOException e) {
+			Log.e(TAG, "Couldn't close shell", e);
+		}
+	}
+
+	@Override
+	public void connect() {
+		int[] pids = new int[1];
+
+		try {
+			shellFd = Exec.createSubprocess("/system/bin/sh", "-", null, pids);
+		} catch (Exception e) {
+			bridge.outputLine(manager.res.getString(R.string.local_shell_unavailable));
+			Log.e(TAG, "Cannot start local shell", e);
+			return;
+		}
+
+		final int shellPid = pids[0];
+		Runnable exitWatcher = new Runnable() {
+			public void run() {
+				Exec.waitFor(shellPid);
+
+				bridge.dispatchDisconnect(false);
+			}
+		};
+
+		Thread exitWatcherThread = new Thread(exitWatcher);
+		exitWatcherThread.setName("LocalExitWatcher");
+		exitWatcherThread.setDaemon(true);
+		exitWatcherThread.start();
+
+		is = new FileInputStream(shellFd);
+		os = new FileOutputStream(shellFd);
+
+		bridge.onConnected();
+	}
+
+	@Override
+	public void flush() throws IOException {
+		os.flush();
+	}
+
+	@Override
+	public String getDefaultNickname(String username, String hostname, int port) {
+		return DEFAULT_URI;
+	}
+
+	@Override
+	public int getDefaultPort() {
+		return 0;
+	}
+
+	@Override
+	public boolean isConnected() {
+		return is != null && os != null;
+	}
+
+	@Override
+	public boolean isSessionOpen() {
+		return is != null && os != null;
+	}
+
+	@Override
+	public int read(byte[] buffer, int start, int len) throws IOException {
+		if (is == null) {
+			bridge.dispatchDisconnect(false);
+			throw new IOException("session closed");
+		}
+		return is.read(buffer, start, len);
+	}
+
+	@Override
+	public void setDimensions(int columns, int rows, int width, int height) {
+		try {
+			Exec.setPtyWindowSize(shellFd, rows, columns, width, height);
+		} catch (Exception e) {
+			Log.e(TAG, "Couldn't resize pty", e);
+		}
+	}
+
+	@Override
+	public void write(byte[] buffer) throws IOException {
+		if (os != null)
+			os.write(buffer);
+	}
+
+	@Override
+	public void write(int c) throws IOException {
+		if (os != null)
+			os.write(c);
+	}
+
+	public static Uri getUri(String input) {
+		Uri uri = Uri.parse(DEFAULT_URI);
+
+		if (input != null && input.length() > 0) {
+			uri = uri.buildUpon().fragment(input).build();
+		}
+
+		return uri;
+	}
+
+	@Override
+	public HostBean createHost(Uri uri) {
+		HostBean host = new HostBean();
+
+		host.setProtocol(PROTOCOL);
+
+		String nickname = uri.getFragment();
+		if (nickname == null || nickname.length() == 0) {
+			host.setNickname(getDefaultNickname(host.getUsername(),
+					host.getHostname(), host.getPort()));
+		} else {
+			host.setNickname(uri.getFragment());
+		}
+
+		return host;
+	}
+
+	@Override
+	public void getSelectionArgs(Uri uri, Map<String, String> selection) {
+		selection.put(HostDatabase.FIELD_HOST_PROTOCOL, PROTOCOL);
+		selection.put(HostDatabase.FIELD_HOST_NICKNAME, uri.getFragment());
+	}
+
+	public static String getFormatHint(Context context) {
+		return context.getString(R.string.hostpref_nickname_title);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.connectbot.transport.AbsTransport#usesNetwork()
+	 */
+	@Override
+	public boolean usesNetwork() {
+		return false;
+	}
+}