1220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani/* 2220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * Copyright (C) 2008 The Android Open Source Project 3220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * 4220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * Licensed under the Apache License, Version 2.0 (the "License"); 5220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * you may not use this file except in compliance with the License. 6220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * You may obtain a copy of the License at 7220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * 8220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * http://www.apache.org/licenses/LICENSE-2.0 9220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * 10220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * Unless required by applicable law or agreed to in writing, software 11220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * distributed under the License is distributed on an "AS IS" BASIS, 12220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * See the License for the specific language governing permissions and 14220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * limitations under the License. 15220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani */ 16220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 17220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasanipackage com.android.providers.settings; 18220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 19a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.app.backup.BackupAgentHelper; 20a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.app.backup.BackupDataInput; 21a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.app.backup.BackupDataOutput; 22a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.app.backup.FullBackupDataOutput; 23a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.content.ContentValues; 24a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.content.Context; 25a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.database.Cursor; 26a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.net.Uri; 27a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.net.wifi.WifiManager; 28a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.os.FileUtils; 29a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.os.ParcelFileDescriptor; 30a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.os.Process; 31a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.provider.Settings; 32a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport android.util.Log; 33a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 347078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrickimport java.io.BufferedOutputStream; 352cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasaniimport java.io.BufferedReader; 362cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasaniimport java.io.BufferedWriter; 378dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tateimport java.io.CharArrayReader; 38d158214511a3c04753de04fa6389e46d33135c38Amith Yamasaniimport java.io.DataInputStream; 39d158214511a3c04753de04fa6389e46d33135c38Amith Yamasaniimport java.io.DataOutputStream; 402cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasaniimport java.io.EOFException; 41220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasaniimport java.io.File; 42220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasaniimport java.io.FileInputStream; 43220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasaniimport java.io.FileOutputStream; 442cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasaniimport java.io.FileReader; 452cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasaniimport java.io.FileWriter; 46220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasaniimport java.io.IOException; 47a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport java.io.InputStream; 487078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrickimport java.io.OutputStream; 498dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tateimport java.io.Reader; 508dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tateimport java.io.Writer; 518dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tateimport java.util.ArrayList; 52a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport java.util.HashMap; 538dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tateimport java.util.HashSet; 54a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganovimport java.util.Map; 55d158214511a3c04753de04fa6389e46d33135c38Amith Yamasaniimport java.util.zip.CRC32; 56220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 57220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani/** 58220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * Performs backup and restore of the System and Secure settings. 59220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * List of settings that are backed up are stored in the Settings.java file 60220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani */ 61cc84c69726507a85116f5664e20e2ebfac76edbeChristopher Tatepublic class SettingsBackupAgent extends BackupAgentHelper { 62436344ae12c819f58306ceb94241a266141e1218Christopher Tate private static final boolean DEBUG = false; 638dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate private static final boolean DEBUG_BACKUP = DEBUG || false; 64220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 65220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private static final String KEY_SYSTEM = "system"; 66220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private static final String KEY_SECURE = "secure"; 678823c0a8c68fe669c21c539eef9fc6541f0c7494Amith Yamasani private static final String KEY_LOCALE = "locale"; 68220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 694aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff //Version 2 adds STATE_WIFI_CONFIG 704aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final int STATE_VERSION_1 = 1; 714aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final int STATE_VERSION_1_SIZE = 4; 724aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 73a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate // Versioning of the state file. Increment this version 74a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate // number any time the set of state items is altered. 754aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final int STATE_VERSION = 2; 76a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate 774aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final int STATE_SYSTEM = 0; 784aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final int STATE_SECURE = 1; 794aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final int STATE_LOCALE = 2; 804aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final int STATE_WIFI_SUPPLICANT = 3; 814aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final int STATE_WIFI_CONFIG = 4; 824aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final int STATE_SIZE = 5; // The number of state items 83d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani 8475a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // Versioning of the 'full backup' format 8575a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate private static final int FULL_BACKUP_VERSION = 1; 8675a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 87a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov private static final int INTEGER_BYTE_COUNT = Integer.SIZE / Byte.SIZE; 88220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 89220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private static final byte[] EMPTY_DATA = new byte[0]; 90220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 91220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private static final String TAG = "SettingsBackupAgent"; 92220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 93220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private static final int COLUMN_NAME = 1; 94220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private static final int COLUMN_VALUE = 2; 95220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 96220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private static final String[] PROJECTION = { 97220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani Settings.NameValueTable._ID, 98220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani Settings.NameValueTable.NAME, 99220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani Settings.NameValueTable.VALUE 100220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani }; 101220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 102220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private static final String FILE_WIFI_SUPPLICANT = "/data/misc/wifi/wpa_supplicant.conf"; 1032cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani private static final String FILE_WIFI_SUPPLICANT_TEMPLATE = 1042cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani "/system/etc/wifi/wpa_supplicant.conf"; 10592c1752175f0880a0e0a05fdca37b54a8fb2b52dChristian Sonntag 10692c1752175f0880a0e0a05fdca37b54a8fb2b52dChristian Sonntag // the key to store the WIFI data under, should be sorted as last, so restore happens last. 10792c1752175f0880a0e0a05fdca37b54a8fb2b52dChristian Sonntag // use very late unicode character to quasi-guarantee last sort position. 1082cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani private static final String KEY_WIFI_SUPPLICANT = "\uffedWIFI"; 1094aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static final String KEY_WIFI_CONFIG = "\uffedCONFIG_WIFI"; 110220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 1114a627c71ff53a4fca1f961f4b1dcc0461df18a06Christopher Tate // Name of the temporary file we use during full backup/restore. This is 1124a627c71ff53a4fca1f961f4b1dcc0461df18a06Christopher Tate // stored in the full-backup tarfile as well, so should not be changed. 1134a627c71ff53a4fca1f961f4b1dcc0461df18a06Christopher Tate private static final String STAGE_FILE = "flattened-data"; 1144a627c71ff53a4fca1f961f4b1dcc0461df18a06Christopher Tate 115220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private SettingsHelper mSettingsHelper; 1164aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private WifiManager mWfm; 1174aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private static String mWifiConfigFile; 118220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 1198dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // Class for capturing a network definition from the wifi supplicant config file 1208dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate static class Network { 1218dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate String ssid = ""; // equals() and hashCode() need these to be non-null 1228dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate String key_mgmt = ""; 1238dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate final ArrayList<String> rawLines = new ArrayList<String>(); 1248dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 1258dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate public static Network readFromStream(BufferedReader in) { 1268dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate final Network n = new Network(); 1278dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate String line; 1288dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate try { 1298dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate while (in.ready()) { 1308dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate line = in.readLine(); 1318dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (line == null || line.startsWith("}")) { 1328dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate break; 1338dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1348dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate n.rememberLine(line); 1358dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1368dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } catch (IOException e) { 1378dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate return null; 1388dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1398dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate return n; 1408dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1418dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 1428dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate void rememberLine(String line) { 1438dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // can't rely on particular whitespace patterns so strip leading/trailing 1448dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate line = line.trim(); 1458dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (line.isEmpty()) return; // only whitespace; drop the line 1468dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate rawLines.add(line); 1478dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 1488dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // remember the ssid and key_mgmt lines for duplicate culling 1498dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (line.startsWith("ssid")) { 1508dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate ssid = line; 1518dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } else if (line.startsWith("key_mgmt")) { 1528dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate key_mgmt = line; 1538dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1548dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1558dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 1568dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate public void write(Writer w) throws IOException { 1578dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate w.write("\nnetwork={\n"); 1588dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate for (String line : rawLines) { 1598dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate w.write("\t" + line + "\n"); 1608dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1618dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate w.write("}\n"); 1628dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1638dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 1648dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate public void dump() { 1658dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate Log.v(TAG, "network={"); 1668dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate for (String line : rawLines) { 1678dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate Log.v(TAG, " " + line); 1688dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1698dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate Log.v(TAG, "}"); 1708dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1718dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 1728dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // Same approach as Pair.equals() and Pair.hashCode() 1738dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate @Override 1748dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate public boolean equals(Object o) { 1758dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (o == this) return true; 1768dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (!(o instanceof Network)) return false; 1778dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate final Network other; 1788dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate try { 1798dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate other = (Network) o; 1808dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } catch (ClassCastException e) { 1818dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate return false; 1828dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1838dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate return ssid.equals(other.ssid) && key_mgmt.equals(other.key_mgmt); 1848dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1858dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 1868dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate @Override 1878dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate public int hashCode() { 1888dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate int result = 17; 1898dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate result = 31 * result + ssid.hashCode(); 1908dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate result = 31 * result + key_mgmt.hashCode(); 1918dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate return result; 1928dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1938dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 1948dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 1958dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // Ingest multiple wifi config file fragments, looking for network={} blocks 1968dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // and eliminating duplicates 1978dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate class WifiNetworkSettings { 1988dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // One for fast lookup, one for maintaining ordering 1998dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate final HashSet<Network> mKnownNetworks = new HashSet<Network>(); 2008dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate final ArrayList<Network> mNetworks = new ArrayList<Network>(8); 2018dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 2028dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate public void readNetworks(BufferedReader in) { 2038dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate try { 2048dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate String line; 2058dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate while (in.ready()) { 2068dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate line = in.readLine(); 2078dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (line != null) { 2088dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // Parse out 'network=' decls so we can ignore duplicates 2098dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (line.startsWith("network")) { 2108dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate Network net = Network.readFromStream(in); 2118dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (! mKnownNetworks.contains(net)) { 2128dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (DEBUG_BACKUP) { 2138dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate Log.v(TAG, "Adding " + net.ssid + " / " + net.key_mgmt); 2148dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2158dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate mKnownNetworks.add(net); 2168dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate mNetworks.add(net); 2178dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } else { 2188dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (DEBUG_BACKUP) { 2198dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate Log.v(TAG, "Dupe; skipped " + net.ssid + " / " + net.key_mgmt); 2208dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2218dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2228dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2238dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2248dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2258dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } catch (IOException e) { 2268dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // whatever happened, we're done now 2278dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2288dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2298dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 2308dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate public void write(Writer w) throws IOException { 2318dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate for (Network net : mNetworks) { 2328dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate net.write(w); 2338dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2348dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2358dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 2368dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate public void dump() { 2378dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate for (Network net : mNetworks) { 2388dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate net.dump(); 2398dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2408dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2418dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 2428dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 243a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov @Override 244220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani public void onCreate() { 24575a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, "onCreate() invoked"); 24675a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 247220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani mSettingsHelper = new SettingsHelper(this); 248220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani super.onCreate(); 2494aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 2504aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff WifiManager mWfm = (WifiManager) getSystemService(Context.WIFI_SERVICE); 2514aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff if (mWfm != null) mWifiConfigFile = mWfm.getConfigFile(); 252220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 253220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 254220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani @Override 255220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data, 256220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani ParcelFileDescriptor newState) throws IOException { 257220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 258220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani byte[] systemSettingsData = getSystemSettings(); 259220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani byte[] secureSettingsData = getSecureSettings(); 2608823c0a8c68fe669c21c539eef9fc6541f0c7494Amith Yamasani byte[] locale = mSettingsHelper.getLocaleData(); 2614aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff byte[] wifiSupplicantData = getWifiSupplicant(FILE_WIFI_SUPPLICANT); 2624aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff byte[] wifiConfigData = getFileData(mWifiConfigFile); 263220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 26479ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate long[] stateChecksums = readOldChecksums(oldState); 26579ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate 26679ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate stateChecksums[STATE_SYSTEM] = 26779ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate writeIfChanged(stateChecksums[STATE_SYSTEM], KEY_SYSTEM, systemSettingsData, data); 26879ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate stateChecksums[STATE_SECURE] = 26979ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate writeIfChanged(stateChecksums[STATE_SECURE], KEY_SECURE, secureSettingsData, data); 27079ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate stateChecksums[STATE_LOCALE] = 27179ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate writeIfChanged(stateChecksums[STATE_LOCALE], KEY_LOCALE, locale, data); 27279ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate stateChecksums[STATE_WIFI_SUPPLICANT] = 27379ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate writeIfChanged(stateChecksums[STATE_WIFI_SUPPLICANT], KEY_WIFI_SUPPLICANT, 27479ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate wifiSupplicantData, data); 27579ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate stateChecksums[STATE_WIFI_CONFIG] = 27679ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate writeIfChanged(stateChecksums[STATE_WIFI_CONFIG], KEY_WIFI_CONFIG, wifiConfigData, 27779ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate data); 27879ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate 27979ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate writeNewChecksums(stateChecksums, newState); 280220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 281220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 282220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani @Override 283220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani public void onRestore(BackupDataInput data, int appVersionCode, 284220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani ParcelFileDescriptor newState) throws IOException { 285220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 286220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani while (data.readNextHeader()) { 287220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani final String key = data.getKey(); 2888823c0a8c68fe669c21c539eef9fc6541f0c7494Amith Yamasani final int size = data.getDataSize(); 289220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani if (KEY_SYSTEM.equals(key)) { 290220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani restoreSettings(data, Settings.System.CONTENT_URI); 291d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani mSettingsHelper.applyAudioSettings(); 292220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } else if (KEY_SECURE.equals(key)) { 293220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani restoreSettings(data, Settings.Secure.CONTENT_URI); 29492c1752175f0880a0e0a05fdca37b54a8fb2b52dChristian Sonntag } else if (KEY_WIFI_SUPPLICANT.equals(key)) { 295c5b5b0fb94d078148b5fe5f6b8bb4ee361949f3eChristian Sonntag int retainedWifiState = enableWifi(false); 2962cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani restoreWifiSupplicant(FILE_WIFI_SUPPLICANT, data); 297d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani FileUtils.setPermissions(FILE_WIFI_SUPPLICANT, 298d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani FileUtils.S_IRUSR | FileUtils.S_IWUSR | 299d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani FileUtils.S_IRGRP | FileUtils.S_IWGRP, 300d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani Process.myUid(), Process.WIFI_UID); 301c5b5b0fb94d078148b5fe5f6b8bb4ee361949f3eChristian Sonntag // retain the previous WIFI state. 302c5b5b0fb94d078148b5fe5f6b8bb4ee361949f3eChristian Sonntag enableWifi(retainedWifiState == WifiManager.WIFI_STATE_ENABLED || 303c5b5b0fb94d078148b5fe5f6b8bb4ee361949f3eChristian Sonntag retainedWifiState == WifiManager.WIFI_STATE_ENABLING); 3048823c0a8c68fe669c21c539eef9fc6541f0c7494Amith Yamasani } else if (KEY_LOCALE.equals(key)) { 3058823c0a8c68fe669c21c539eef9fc6541f0c7494Amith Yamasani byte[] localeData = new byte[size]; 3068823c0a8c68fe669c21c539eef9fc6541f0c7494Amith Yamasani data.readEntityData(localeData, 0, size); 30775a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate mSettingsHelper.setLocaleData(localeData, size); 3084aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } else if (KEY_WIFI_CONFIG.equals(key)) { 3094aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff restoreFileData(mWifiConfigFile, data); 3104aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } else { 311220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani data.skipEntityData(); 312220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 313220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 314220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 315220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 31675a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate @Override 31779ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate public void onFullBackup(FullBackupDataOutput data) throws IOException { 31879ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate byte[] systemSettingsData = getSystemSettings(); 31979ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate byte[] secureSettingsData = getSecureSettings(); 32079ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate byte[] locale = mSettingsHelper.getLocaleData(); 32179ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate byte[] wifiSupplicantData = getWifiSupplicant(FILE_WIFI_SUPPLICANT); 32279ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate byte[] wifiConfigData = getFileData(mWifiConfigFile); 32379ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate 32479ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate // Write the data to the staging file, then emit that as our tarfile 32579ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate // representation of the backed-up settings. 32679ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate String root = getFilesDir().getAbsolutePath(); 32779ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate File stage = new File(root, STAGE_FILE); 32879ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate try { 32979ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate FileOutputStream filestream = new FileOutputStream(stage); 33079ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate BufferedOutputStream bufstream = new BufferedOutputStream(filestream); 33179ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate DataOutputStream out = new DataOutputStream(bufstream); 33279ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate 3332efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, "Writing flattened data version " + FULL_BACKUP_VERSION); 33479ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.writeInt(FULL_BACKUP_VERSION); 33579ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate 3362efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, systemSettingsData.length + " bytes of settings data"); 33779ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.writeInt(systemSettingsData.length); 33879ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.write(systemSettingsData); 3392efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, secureSettingsData.length + " bytes of secure settings data"); 34079ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.writeInt(secureSettingsData.length); 34179ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.write(secureSettingsData); 3422efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, locale.length + " bytes of locale data"); 34379ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.writeInt(locale.length); 34479ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.write(locale); 3452efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, wifiSupplicantData.length + " bytes of wifi supplicant data"); 34679ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.writeInt(wifiSupplicantData.length); 34779ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.write(wifiSupplicantData); 3482efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, wifiConfigData.length + " bytes of wifi config data"); 34979ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.writeInt(wifiConfigData.length); 35079ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.write(wifiConfigData); 35179ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate 35279ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate out.flush(); // also flushes downstream 35379ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate 35479ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate // now we're set to emit the tar stream 35579ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate fullBackupFile(stage, data); 35679ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate } finally { 35779ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate stage.delete(); 35879ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate } 35979ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate } 36079ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate 36179ec80db70d788f35aa13346e4684ecbd401bd84Christopher Tate @Override 36275a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate public void onRestoreFile(ParcelFileDescriptor data, long size, 36375a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate int type, String domain, String relpath, long mode, long mtime) 36475a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate throws IOException { 36575a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, "onRestoreFile() invoked"); 36675a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // Our data is actually a blob of flattened settings data identical to that 36775a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // produced during incremental backups. Just unpack and apply it all in 36875a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // turn. 36975a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate FileInputStream instream = new FileInputStream(data.getFileDescriptor()); 37075a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate DataInputStream in = new DataInputStream(instream); 37175a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 37275a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate int version = in.readInt(); 37375a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, "Flattened data version " + version); 37475a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (version == FULL_BACKUP_VERSION) { 37575a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // system settings data first 37675a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate int nBytes = in.readInt(); 37775a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, nBytes + " bytes of settings data"); 37875a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate byte[] buffer = new byte[nBytes]; 3792efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate in.readFully(buffer, 0, nBytes); 38075a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate restoreSettings(buffer, nBytes, Settings.System.CONTENT_URI); 38175a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 38275a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // secure settings 38375a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate nBytes = in.readInt(); 38475a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, nBytes + " bytes of secure settings data"); 38575a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (nBytes > buffer.length) buffer = new byte[nBytes]; 3862efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate in.readFully(buffer, 0, nBytes); 38775a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate restoreSettings(buffer, nBytes, Settings.Secure.CONTENT_URI); 38875a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 38975a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // locale 39075a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate nBytes = in.readInt(); 39175a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, nBytes + " bytes of locale data"); 39275a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (nBytes > buffer.length) buffer = new byte[nBytes]; 3932efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate in.readFully(buffer, 0, nBytes); 39475a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate mSettingsHelper.setLocaleData(buffer, nBytes); 39575a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 39675a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // wifi supplicant 39775a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate nBytes = in.readInt(); 39875a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, nBytes + " bytes of wifi supplicant data"); 39975a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (nBytes > buffer.length) buffer = new byte[nBytes]; 4002efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate in.readFully(buffer, 0, nBytes); 40175a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate int retainedWifiState = enableWifi(false); 40275a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate restoreWifiSupplicant(FILE_WIFI_SUPPLICANT, buffer, nBytes); 40375a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate FileUtils.setPermissions(FILE_WIFI_SUPPLICANT, 40475a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate FileUtils.S_IRUSR | FileUtils.S_IWUSR | 40575a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate FileUtils.S_IRGRP | FileUtils.S_IWGRP, 40675a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate Process.myUid(), Process.WIFI_UID); 40775a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // retain the previous WIFI state. 40875a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate enableWifi(retainedWifiState == WifiManager.WIFI_STATE_ENABLED || 40975a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate retainedWifiState == WifiManager.WIFI_STATE_ENABLING); 41075a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 41175a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate // wifi config 41275a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate nBytes = in.readInt(); 41375a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, nBytes + " bytes of wifi config data"); 41475a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (nBytes > buffer.length) buffer = new byte[nBytes]; 4152efd2dbbac9eac89620683696c6076463c3a1cd6Christopher Tate in.readFully(buffer, 0, nBytes); 41675a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate restoreFileData(mWifiConfigFile, buffer, nBytes); 41775a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 41875a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate if (DEBUG_BACKUP) Log.d(TAG, "Full restore complete."); 41975a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate } else { 42075a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate data.close(); 42175a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate throw new IOException("Invalid file schema"); 42275a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate } 42375a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate } 42475a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 425d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani private long[] readOldChecksums(ParcelFileDescriptor oldState) throws IOException { 426d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani long[] stateChecksums = new long[STATE_SIZE]; 427d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani 428d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani DataInputStream dataInput = new DataInputStream( 429d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani new FileInputStream(oldState.getFileDescriptor())); 430a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate 431a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate try { 432a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate int stateVersion = dataInput.readInt(); 4334aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff if (stateVersion == STATE_VERSION_1) { 4344aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff for (int i = 0; i < STATE_VERSION_1_SIZE; i++) { 4354aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff stateChecksums[i] = dataInput.readLong(); 4364aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } 4374aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } else if (stateVersion == STATE_VERSION) { 438a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate for (int i = 0; i < STATE_SIZE; i++) { 439a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate stateChecksums[i] = dataInput.readLong(); 440a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate } 441d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani } 442a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate } catch (EOFException eof) { 443a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate // With the default 0 checksum we'll wind up forcing a backup of 444a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate // any unhandled data sets, which is appropriate. 445d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani } 446d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani dataInput.close(); 447d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani return stateChecksums; 448d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani } 449d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani 450d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani private void writeNewChecksums(long[] checksums, ParcelFileDescriptor newState) 451d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani throws IOException { 452d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani DataOutputStream dataOutput = new DataOutputStream( 453d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani new FileOutputStream(newState.getFileDescriptor())); 454a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate 455a286f419084d56217f05a64f1d24c9e07917212eChristopher Tate dataOutput.writeInt(STATE_VERSION); 456d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani for (int i = 0; i < STATE_SIZE; i++) { 457d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani dataOutput.writeLong(checksums[i]); 458d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani } 459d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani dataOutput.close(); 460d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani } 461d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani 462d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani private long writeIfChanged(long oldChecksum, String key, byte[] data, 463d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani BackupDataOutput output) { 464d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani CRC32 checkSummer = new CRC32(); 465d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani checkSummer.update(data); 466d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani long newChecksum = checkSummer.getValue(); 467d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani if (oldChecksum == newChecksum) { 468d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani return oldChecksum; 469d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani } 470d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani try { 471d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani output.writeEntityHeader(key, data.length); 472d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani output.writeEntityData(data, data.length); 473d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani } catch (IOException ioe) { 474d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani // Bail 475d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani } 476d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani return newChecksum; 477d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani } 478d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani 479220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private byte[] getSystemSettings() { 480a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov Cursor cursor = getContentResolver().query(Settings.System.CONTENT_URI, PROJECTION, null, 481a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov null, null); 4821d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown try { 4831d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown return extractRelevantValues(cursor, Settings.System.SETTINGS_TO_BACKUP); 4841d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown } finally { 4851d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown cursor.close(); 4861d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown } 487220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 488220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 489220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private byte[] getSecureSettings() { 490a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov Cursor cursor = getContentResolver().query(Settings.Secure.CONTENT_URI, PROJECTION, null, 491a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov null, null); 4921d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown try { 4931d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown return extractRelevantValues(cursor, Settings.Secure.SETTINGS_TO_BACKUP); 4941d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown } finally { 4951d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown cursor.close(); 4961d8e7d640ad5ed6fe82bca017293dd89169f1c2eJeff Brown } 497220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 498220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 499220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private void restoreSettings(BackupDataInput data, Uri contentUri) { 50075a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate byte[] settings = new byte[data.getDataSize()]; 50175a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate try { 50275a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate data.readEntityData(settings, 0, settings.length); 50375a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate } catch (IOException ioe) { 50475a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate Log.e(TAG, "Couldn't read entity data"); 50575a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate return; 50675a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate } 50775a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate restoreSettings(settings, settings.length, contentUri); 50875a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate } 50975a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 51075a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate private void restoreSettings(byte[] settings, int bytes, Uri contentUri) { 511a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (DEBUG) { 512a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov Log.i(TAG, "restoreSettings: " + contentUri); 513a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov } 514a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 515a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov // Figure out the white list. 516796e0f0ed531b7ff9922cd632d70d8f1da8f5829Christopher Tate String[] whitelist = null; 517796e0f0ed531b7ff9922cd632d70d8f1da8f5829Christopher Tate if (contentUri.equals(Settings.Secure.CONTENT_URI)) { 518796e0f0ed531b7ff9922cd632d70d8f1da8f5829Christopher Tate whitelist = Settings.Secure.SETTINGS_TO_BACKUP; 519796e0f0ed531b7ff9922cd632d70d8f1da8f5829Christopher Tate } else if (contentUri.equals(Settings.System.CONTENT_URI)) { 520796e0f0ed531b7ff9922cd632d70d8f1da8f5829Christopher Tate whitelist = Settings.System.SETTINGS_TO_BACKUP; 521a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov } else { 522a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov throw new IllegalArgumentException("Unknown URI: " + contentUri); 523796e0f0ed531b7ff9922cd632d70d8f1da8f5829Christopher Tate } 524796e0f0ed531b7ff9922cd632d70d8f1da8f5829Christopher Tate 525a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov // Restore only the white list data. 526220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani int pos = 0; 527a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov Map<String, String> cachedEntries = new HashMap<String, String>(); 528a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov ContentValues contentValues = new ContentValues(2); 529a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov SettingsHelper settingsHelper = mSettingsHelper; 530a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 531a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov final int whiteListSize = whitelist.length; 532a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov for (int i = 0; i < whiteListSize; i++) { 533a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov String key = whitelist[i]; 534a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov String value = cachedEntries.remove(key); 535a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 536a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov // If the value not cached, let us look it up. 537a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (value == null) { 538a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov while (pos < bytes) { 539a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov int length = readInt(settings, pos); 540a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov pos += INTEGER_BYTE_COUNT; 541a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov String dataKey = length > 0 ? new String(settings, pos, length) : null; 542a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov pos += length; 543a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov length = readInt(settings, pos); 544a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov pos += INTEGER_BYTE_COUNT; 545a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov String dataValue = length > 0 ? new String(settings, pos, length) : null; 546a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov pos += length; 547a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (key.equals(dataKey)) { 548a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov value = dataValue; 549a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov break; 550a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov } 551a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov cachedEntries.put(dataKey, dataValue); 5520738e8893540e8f7fac7c193be5fe24b67f04672Christopher Tate } 553a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov } 5540738e8893540e8f7fac7c193be5fe24b67f04672Christopher Tate 555a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (value == null) { 556a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov continue; 557220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 558220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 559a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (settingsHelper.restoreValue(key, value)) { 560a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov contentValues.clear(); 561a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov contentValues.put(Settings.NameValueTable.NAME, key); 562a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov contentValues.put(Settings.NameValueTable.VALUE, value); 563a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov getContentResolver().insert(contentUri, contentValues); 564a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov } 565796e0f0ed531b7ff9922cd632d70d8f1da8f5829Christopher Tate 566a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (DEBUG) { 567a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov Log.d(TAG, "Restored setting: " + key + "=" + value); 5680738e8893540e8f7fac7c193be5fe24b67f04672Christopher Tate } 5690738e8893540e8f7fac7c193be5fe24b67f04672Christopher Tate } 570220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 571220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 572220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani /** 573a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov * Given a cursor and a set of keys, extract the required keys and 574a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov * values and write them to a byte array. 575a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov * 576a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov * @param cursor A cursor with settings data. 577a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov * @param settings The settings to extract. 578a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov * @return The byte array of extracted values. 579220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani */ 580a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov private byte[] extractRelevantValues(Cursor cursor, String[] settings) { 581a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov final int settingsCount = settings.length; 582a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov byte[][] values = new byte[settingsCount * 2][]; // keys and values 583a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (!cursor.moveToFirst()) { 584220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani Log.e(TAG, "Couldn't read from the cursor"); 585220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani return new byte[0]; 586220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 587a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 588a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov // Obtain the relevant data in a temporary array. 589220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani int totalSize = 0; 590a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov int backedUpSettingIndex = 0; 591a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov Map<String, String> cachedEntries = new HashMap<String, String>(); 592a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov for (int i = 0; i < settingsCount; i++) { 593a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov String key = settings[i]; 594a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov String value = cachedEntries.remove(key); 595a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 596a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov // If the value not cached, let us look it up. 597a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (value == null) { 598a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov while (!cursor.isAfterLast()) { 599a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov String cursorKey = cursor.getString(COLUMN_NAME); 600a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov String cursorValue = cursor.getString(COLUMN_VALUE); 601a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov cursor.moveToNext(); 602a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (key.equals(cursorKey)) { 603a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov value = cursorValue; 604a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov break; 605a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov } 606a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov cachedEntries.put(cursorKey, cursorValue); 607220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 608220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 609a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 610a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (value == null) { 611a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov continue; 612a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov } 613a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 614a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov // Write the key and value in the intermediary array. 615a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov byte[] keyBytes = key.getBytes(); 616a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov totalSize += INTEGER_BYTE_COUNT + keyBytes.length; 617a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov values[backedUpSettingIndex * 2] = keyBytes; 618a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 619a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov byte[] valueBytes = value.getBytes(); 620a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov totalSize += INTEGER_BYTE_COUNT + valueBytes.length; 621a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov values[backedUpSettingIndex * 2 + 1] = valueBytes; 622a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 623a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov backedUpSettingIndex++; 624a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov 625a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov if (DEBUG) { 626a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov Log.d(TAG, "Backed up setting: " + key + "=" + value); 627220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 628220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 629220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 630a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov // Aggregate the result. 631220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani byte[] result = new byte[totalSize]; 632220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani int pos = 0; 633a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov final int keyValuePairCount = backedUpSettingIndex * 2; 634a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov for (int i = 0; i < keyValuePairCount; i++) { 635a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov pos = writeInt(result, pos, values[i].length); 636a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov pos = writeBytes(result, pos, values[i]); 637220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 638220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani return result; 639220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 640220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 6414aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private byte[] getFileData(String filename) { 6424aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff InputStream is = null; 6434aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff try { 6444aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff File file = new File(filename); 6454aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff is = new FileInputStream(file); 6464aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 6474aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff //Will truncate read on a very long file, 6484aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff //should not happen for a config file 6494aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff byte[] bytes = new byte[(int)file.length()]; 6504aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 6514aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff int offset = 0; 6524aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff int numRead = 0; 6534aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff while (offset < bytes.length 6544aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff && (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) { 6554aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff offset += numRead; 6564aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } 6574aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 6584aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff //read failure 6594aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff if (offset < bytes.length) { 6604aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff Log.w(TAG, "Couldn't backup " + filename); 6614aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff return EMPTY_DATA; 6624aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } 6634aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff return bytes; 6644aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } catch (IOException ioe) { 6654aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff Log.w(TAG, "Couldn't backup " + filename); 6664aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff return EMPTY_DATA; 6674aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } finally { 6684aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff if (is != null) { 6694aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff try { 6704aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff is.close(); 6714aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } catch (IOException e) { 6724aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } 6734aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } 6744aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } 6754aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 6764aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } 6774aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 6784aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff private void restoreFileData(String filename, BackupDataInput data) { 6794aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff byte[] bytes = new byte[data.getDataSize()]; 6804aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff if (bytes.length <= 0) return; 681f12fbcd608b8f73901882c305572ac2c1cfe9bebChristopher Tate try { 682f12fbcd608b8f73901882c305572ac2c1cfe9bebChristopher Tate data.readEntityData(bytes, 0, data.getDataSize()); 683f12fbcd608b8f73901882c305572ac2c1cfe9bebChristopher Tate restoreFileData(filename, bytes, bytes.length); 684f12fbcd608b8f73901882c305572ac2c1cfe9bebChristopher Tate } catch (IOException e) { 685f12fbcd608b8f73901882c305572ac2c1cfe9bebChristopher Tate Log.w(TAG, "Unable to read file data for " + filename); 686f12fbcd608b8f73901882c305572ac2c1cfe9bebChristopher Tate } 68775a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate } 68875a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 68975a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate private void restoreFileData(String filename, byte[] bytes, int size) { 6904aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff try { 6914aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff File file = new File(filename); 6924aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff if (file.exists()) file.delete(); 6934aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 6944aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff OutputStream os = new BufferedOutputStream(new FileOutputStream(filename, true)); 69575a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate os.write(bytes, 0, size); 6964aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff os.close(); 6974aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } catch (IOException ioe) { 6984aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff Log.w(TAG, "Couldn't restore " + filename); 6994aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } 7004aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff } 7014aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 7024aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff 7032cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani private byte[] getWifiSupplicant(String filename) { 7047078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrick BufferedReader br = null; 705220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani try { 706220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani File file = new File(filename); 707220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani if (file.exists()) { 7087078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrick br = new BufferedReader(new FileReader(file)); 7092cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani StringBuffer relevantLines = new StringBuffer(); 7102cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani boolean started = false; 7112cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani String line; 7122cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani while ((line = br.readLine()) != null) { 7132cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani if (!started && line.startsWith("network")) { 7142cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani started = true; 7152cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani } 7162cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani if (started) { 7172cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani relevantLines.append(line).append("\n"); 7182cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani } 7192cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani } 7202cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani if (relevantLines.length() > 0) { 7212cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani return relevantLines.toString().getBytes(); 7222cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani } else { 7232cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani return EMPTY_DATA; 7242cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani } 725220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } else { 726d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani return EMPTY_DATA; 727220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 728220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } catch (IOException ioe) { 729220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani Log.w(TAG, "Couldn't backup " + filename); 730d158214511a3c04753de04fa6389e46d33135c38Amith Yamasani return EMPTY_DATA; 7317078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrick } finally { 7327078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrick if (br != null) { 7337078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrick try { 7347078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrick br.close(); 7357078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrick } catch (IOException e) { 7367078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrick } 7377078789a39f51e473bdf864e16202f67ce8ca219Brad Fitzpatrick } 738220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 739220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 740220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 7412cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani private void restoreWifiSupplicant(String filename, BackupDataInput data) { 742220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani byte[] bytes = new byte[data.getDataSize()]; 743220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani if (bytes.length <= 0) return; 74428cdb9e104e03680d61c3e6dd654d1beff51427dChristopher Tate try { 74528cdb9e104e03680d61c3e6dd654d1beff51427dChristopher Tate data.readEntityData(bytes, 0, data.getDataSize()); 74628cdb9e104e03680d61c3e6dd654d1beff51427dChristopher Tate restoreWifiSupplicant(filename, bytes, bytes.length); 74728cdb9e104e03680d61c3e6dd654d1beff51427dChristopher Tate } catch (IOException e) { 74828cdb9e104e03680d61c3e6dd654d1beff51427dChristopher Tate Log.w(TAG, "Unable to read supplicant data"); 74928cdb9e104e03680d61c3e6dd654d1beff51427dChristopher Tate } 75075a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate } 75175a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate 75275a99709accef8cf221fd436d646727e7c8dd1f1Christopher Tate private void restoreWifiSupplicant(String filename, byte[] bytes, int size) { 753220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani try { 7548dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate WifiNetworkSettings supplicantImage = new WifiNetworkSettings(); 7558dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 7562cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani File supplicantFile = new File(FILE_WIFI_SUPPLICANT); 7578dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (supplicantFile.exists()) { 7588dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // Retain the existing APs; we'll append the restored ones to them 7598dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate BufferedReader in = new BufferedReader(new FileReader(FILE_WIFI_SUPPLICANT)); 7608dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate supplicantImage.readNetworks(in); 7618dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate in.close(); 7622cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani 7638dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate supplicantFile.delete(); 7648dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 7658dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 7668dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // Incorporate the restore AP information 7678dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (size > 0) { 7688dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate char[] restoredAsBytes = new char[size]; 7698dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate for (int i = 0; i < size; i++) restoredAsBytes[i] = (char) bytes[i]; 7708dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate BufferedReader in = new BufferedReader(new CharArrayReader(restoredAsBytes)); 7718dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate supplicantImage.readNetworks(in); 7728dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 7738dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate if (DEBUG_BACKUP) { 7748dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate Log.v(TAG, "Final AP list:"); 7758dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate supplicantImage.dump(); 7768dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 7778dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate } 7788dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 7798dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // Install the correct default template 7808dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate BufferedWriter bw = new BufferedWriter(new FileWriter(FILE_WIFI_SUPPLICANT)); 7818dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate copyWifiSupplicantTemplate(bw); 7828dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate 7838dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate // Write the restored supplicant config and we're done 7848dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate supplicantImage.write(bw); 7858dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate bw.close(); 786220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } catch (IOException ioe) { 787220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani Log.w(TAG, "Couldn't restore " + filename); 788220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 789220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 790220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 7918dfe2b9dd7b8b924177a9f67785bcd6d1b0eeadaChristopher Tate private void copyWifiSupplicantTemplate(BufferedWriter bw) { 7922cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani try { 7932cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani BufferedReader br = new BufferedReader(new FileReader(FILE_WIFI_SUPPLICANT_TEMPLATE)); 7942cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani char[] temp = new char[1024]; 7952cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani int size; 7962cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani while ((size = br.read(temp)) > 0) { 7972cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani bw.write(temp, 0, size); 7982cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani } 7992cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani br.close(); 8002cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani } catch (IOException ioe) { 8012cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani Log.w(TAG, "Couldn't copy wpa_supplicant file"); 8022cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani } 8032cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani } 8042cfab8445851c59f7da07d81645ece8d70e8ce28Amith Yamasani 805220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani /** 806220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * Write an int in BigEndian into the byte array. 807220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * @param out byte array 808220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * @param pos current pos in array 809220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani * @param value integer to write 810a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov * @return the index after adding the size of an int (4) in bytes. 811220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani */ 812220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private int writeInt(byte[] out, int pos, int value) { 813220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani out[pos + 0] = (byte) ((value >> 24) & 0xFF); 814220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani out[pos + 1] = (byte) ((value >> 16) & 0xFF); 815220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani out[pos + 2] = (byte) ((value >> 8) & 0xFF); 816220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani out[pos + 3] = (byte) ((value >> 0) & 0xFF); 817a571a5836cdbc71feefb13648004b8ca7fe05dfbSvetoslav Ganov return pos + INTEGER_BYTE_COUNT; 818220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 819220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 820220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private int writeBytes(byte[] out, int pos, byte[] value) { 821220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani System.arraycopy(value, 0, out, pos, value.length); 822220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani return pos + value.length; 823220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 824220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 825220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani private int readInt(byte[] in, int pos) { 826220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani int result = 827220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani ((in[pos ] & 0xFF) << 24) | 828220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani ((in[pos + 1] & 0xFF) << 16) | 829220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani ((in[pos + 2] & 0xFF) << 8) | 830220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani ((in[pos + 3] & 0xFF) << 0); 831220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani return result; 832220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 833220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani 834c5b5b0fb94d078148b5fe5f6b8bb4ee361949f3eChristian Sonntag private int enableWifi(boolean enable) { 8354f4f5166c9379a646de887c4d9ae58fc94afb6edIrfan Sheriff if (mWfm == null) { 8364f4f5166c9379a646de887c4d9ae58fc94afb6edIrfan Sheriff mWfm = (WifiManager) getSystemService(Context.WIFI_SERVICE); 8374f4f5166c9379a646de887c4d9ae58fc94afb6edIrfan Sheriff } 8384aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff if (mWfm != null) { 8394aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff int state = mWfm.getWifiState(); 8404aeca7c5908387bc7efb0785830aea1053264062Irfan Sheriff mWfm.setWifiEnabled(enable); 841c5b5b0fb94d078148b5fe5f6b8bb4ee361949f3eChristian Sonntag return state; 8424f4f5166c9379a646de887c4d9ae58fc94afb6edIrfan Sheriff } else { 8434f4f5166c9379a646de887c4d9ae58fc94afb6edIrfan Sheriff Log.e(TAG, "Failed to fetch WifiManager instance"); 844220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 845c5b5b0fb94d078148b5fe5f6b8bb4ee361949f3eChristian Sonntag return WifiManager.WIFI_STATE_UNKNOWN; 846220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani } 847220f4d633be1098e7887dbd06f179138bf19f1adAmith Yamasani} 848