360 lines
10 KiB
Java
360 lines
10 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server;
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import android.content.pm.PackageStats;
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import android.net.LocalSocketAddress;
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import android.net.LocalSocket;
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import android.util.Config;
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import android.util.Slog;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.Socket;
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class Installer {
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private static final String TAG = "Installer";
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InputStream mIn;
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OutputStream mOut;
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LocalSocket mSocket;
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byte buf[] = new byte[1024];
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int buflen = 0;
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private boolean connect() {
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if (mSocket != null) {
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return true;
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}
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Slog.i(TAG, "connecting...");
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try {
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mSocket = new LocalSocket();
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LocalSocketAddress address = new LocalSocketAddress(
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"installd", LocalSocketAddress.Namespace.RESERVED);
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mSocket.connect(address);
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mIn = mSocket.getInputStream();
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mOut = mSocket.getOutputStream();
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} catch (IOException ex) {
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disconnect();
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return false;
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}
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return true;
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}
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private void disconnect() {
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Slog.i(TAG,"disconnecting...");
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try {
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if (mSocket != null) mSocket.close();
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} catch (IOException ex) { }
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try {
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if (mIn != null) mIn.close();
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} catch (IOException ex) { }
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try {
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if (mOut != null) mOut.close();
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} catch (IOException ex) { }
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mSocket = null;
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mIn = null;
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mOut = null;
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}
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private boolean readBytes(byte buffer[], int len) {
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int off = 0, count;
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if (len < 0) return false;
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while (off != len) {
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try {
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count = mIn.read(buffer, off, len - off);
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if (count <= 0) {
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Slog.e(TAG, "read error " + count);
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break;
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}
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off += count;
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} catch (IOException ex) {
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Slog.e(TAG,"read exception");
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break;
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}
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}
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// Slog.i(TAG, "read "+len+" bytes");
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if (off == len) return true;
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disconnect();
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return false;
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}
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private boolean readReply() {
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int len;
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buflen = 0;
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if (!readBytes(buf, 2)) return false;
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len = (((int) buf[0]) & 0xff) | ((((int) buf[1]) & 0xff) << 8);
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if ((len < 1) || (len > 1024)) {
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Slog.e(TAG,"invalid reply length ("+len+")");
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disconnect();
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return false;
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}
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if (!readBytes(buf, len)) return false;
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buflen = len;
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return true;
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}
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private boolean writeCommand(String _cmd) {
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byte[] cmd = _cmd.getBytes();
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int len = cmd.length;
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if ((len < 1) || (len > 1024)) return false;
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buf[0] = (byte) (len & 0xff);
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buf[1] = (byte) ((len >> 8) & 0xff);
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try {
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mOut.write(buf, 0, 2);
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mOut.write(cmd, 0, len);
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} catch (IOException ex) {
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Slog.e(TAG,"write error");
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disconnect();
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return false;
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}
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return true;
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}
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private synchronized String transaction(String cmd) {
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if (!connect()) {
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Slog.e(TAG, "connection failed");
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return "-1";
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}
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if (!writeCommand(cmd)) {
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/* If installd died and restarted in the background
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* (unlikely but possible) we'll fail on the next
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* write (this one). Try to reconnect and write
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* the command one more time before giving up.
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*/
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Slog.e(TAG, "write command failed? reconnect!");
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if (!connect() || !writeCommand(cmd)) {
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return "-1";
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}
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}
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// Slog.i(TAG,"send: '"+cmd+"'");
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if (readReply()) {
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String s = new String(buf, 0, buflen);
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// Slog.i(TAG,"recv: '"+s+"'");
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return s;
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} else {
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// Slog.i(TAG,"fail");
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return "-1";
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}
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}
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private int execute(String cmd) {
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String res = transaction(cmd);
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try {
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return Integer.parseInt(res);
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} catch (NumberFormatException ex) {
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return -1;
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}
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}
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public int install(String name, boolean useEncryptedFilesystem, int uid, int gid) {
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StringBuilder builder = new StringBuilder("install");
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builder.append(' ');
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builder.append(name);
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builder.append(' ');
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if (useEncryptedFilesystem) {
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builder.append('1');
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} else {
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builder.append('0');
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}
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builder.append(' ');
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builder.append(uid);
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builder.append(' ');
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builder.append(gid);
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return execute(builder.toString());
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}
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public int dexopt(String apkPath, int uid, boolean isPublic) {
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StringBuilder builder = new StringBuilder("dexopt");
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builder.append(' ');
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builder.append(apkPath);
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builder.append(' ');
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builder.append(uid);
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builder.append(isPublic ? " 1" : " 0");
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return execute(builder.toString());
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}
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public int movedex(String srcPath, String dstPath) {
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StringBuilder builder = new StringBuilder("movedex");
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builder.append(' ');
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builder.append(srcPath);
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builder.append(' ');
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builder.append(dstPath);
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return execute(builder.toString());
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}
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public int rmdex(String codePath) {
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StringBuilder builder = new StringBuilder("rmdex");
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builder.append(' ');
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builder.append(codePath);
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return execute(builder.toString());
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}
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public int remove(String name, boolean useEncryptedFilesystem) {
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StringBuilder builder = new StringBuilder("remove");
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builder.append(' ');
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builder.append(name);
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builder.append(' ');
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if (useEncryptedFilesystem) {
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builder.append('1');
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} else {
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builder.append('0');
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}
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return execute(builder.toString());
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}
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public int rename(String oldname, String newname, boolean useEncryptedFilesystem) {
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StringBuilder builder = new StringBuilder("rename");
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builder.append(' ');
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builder.append(oldname);
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builder.append(' ');
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builder.append(newname);
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builder.append(' ');
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if (useEncryptedFilesystem) {
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builder.append('1');
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} else {
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builder.append('0');
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}
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return execute(builder.toString());
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}
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public int deleteCacheFiles(String name, boolean useEncryptedFilesystem) {
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StringBuilder builder = new StringBuilder("rmcache");
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builder.append(' ');
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builder.append(name);
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builder.append(' ');
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if (useEncryptedFilesystem) {
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builder.append('1');
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} else {
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builder.append('0');
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}
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return execute(builder.toString());
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}
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public int clearUserData(String name, boolean useEncryptedFilesystem) {
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StringBuilder builder = new StringBuilder("rmuserdata");
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builder.append(' ');
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builder.append(name);
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builder.append(' ');
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if (useEncryptedFilesystem) {
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builder.append('1');
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} else {
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builder.append('0');
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}
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return execute(builder.toString());
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}
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public boolean ping() {
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if (execute("ping") < 0) {
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return false;
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} else {
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return true;
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}
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}
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public int freeCache(long freeStorageSize) {
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StringBuilder builder = new StringBuilder("freecache");
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builder.append(' ');
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builder.append(String.valueOf(freeStorageSize));
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return execute(builder.toString());
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}
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/*
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* @param packagePathSuffix The name of the path relative to install
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* directory. Say if the path name is /data/app/com.test-1.apk,
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* the package suffix path will be com.test-1
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*/
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public int setForwardLockPerm(String packagePathSuffix, int gid) {
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StringBuilder builder = new StringBuilder("protect");
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builder.append(' ');
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builder.append(packagePathSuffix);
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builder.append(' ');
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builder.append(gid);
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return execute(builder.toString());
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}
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public int getSizeInfo(String pkgName, String apkPath,
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String fwdLockApkPath, PackageStats pStats, boolean useEncryptedFilesystem) {
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StringBuilder builder = new StringBuilder("getsize");
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builder.append(' ');
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builder.append(pkgName);
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builder.append(' ');
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builder.append(apkPath);
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builder.append(' ');
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builder.append(fwdLockApkPath != null ? fwdLockApkPath : "!");
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builder.append(' ');
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if (useEncryptedFilesystem) {
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builder.append('1');
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} else {
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builder.append('0');
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}
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String s = transaction(builder.toString());
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String res[] = s.split(" ");
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if((res == null) || (res.length != 4)) {
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return -1;
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}
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try {
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pStats.codeSize = Long.parseLong(res[1]);
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pStats.dataSize = Long.parseLong(res[2]);
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pStats.cacheSize = Long.parseLong(res[3]);
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return Integer.parseInt(res[0]);
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} catch (NumberFormatException e) {
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return -1;
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}
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}
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public int moveFiles() {
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return execute("movefiles");
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}
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public int linkNativeLibraryDirectory(String dataPath, String nativeLibPath) {
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if (dataPath == null) {
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Slog.e(TAG, "unlinkNativeLibraryDirectory dataPath is null");
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return -1;
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} else if (nativeLibPath == null) {
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Slog.e(TAG, "unlinkNativeLibraryDirectory nativeLibPath is null");
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return -1;
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}
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StringBuilder builder = new StringBuilder("linklib ");
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builder.append(dataPath);
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builder.append(' ');
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builder.append(nativeLibPath);
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return execute(builder.toString());
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}
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public int unlinkNativeLibraryDirectory(String dataPath) {
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if (dataPath == null) {
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Slog.e(TAG, "unlinkNativeLibraryDirectory dataPath is null");
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return -1;
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}
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StringBuilder builder = new StringBuilder("unlinklib ");
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builder.append(dataPath);
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return execute(builder.toString());
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}
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}
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