Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.os; |
| 18 | |
Tao Bao | e01b520 | 2017-04-11 00:28:34 -0700 | [diff] [blame] | 19 | import static java.nio.charset.StandardCharsets.UTF_8; |
| 20 | |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 21 | import android.annotation.RequiresPermission; |
| 22 | import android.annotation.SuppressLint; |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 23 | import android.annotation.SystemApi; |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 24 | import android.annotation.SystemService; |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 25 | import android.app.PendingIntent; |
Jason parks | 4ca74dc | 2011-03-14 15:23:31 -0500 | [diff] [blame] | 26 | import android.content.BroadcastReceiver; |
Jeff Davidson | e05f37e | 2017-07-19 16:55:45 -0700 | [diff] [blame] | 27 | import android.content.ContentResolver; |
Jason parks | 4ca74dc | 2011-03-14 15:23:31 -0500 | [diff] [blame] | 28 | import android.content.Context; |
| 29 | import android.content.Intent; |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 30 | import android.content.IntentFilter; |
Dmitri Plotnikov | 690c6bd | 2017-05-10 16:26:38 -0700 | [diff] [blame] | 31 | import android.content.pm.PackageManager; |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 32 | import android.provider.Settings; |
| 33 | import android.telephony.euicc.EuiccManager; |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 34 | import android.text.TextUtils; |
Jason parks | 4ca74dc | 2011-03-14 15:23:31 -0500 | [diff] [blame] | 35 | import android.util.Log; |
Dmitri Plotnikov | 690c6bd | 2017-05-10 16:26:38 -0700 | [diff] [blame] | 36 | import android.view.Display; |
| 37 | import android.view.WindowManager; |
Jason parks | 4ca74dc | 2011-03-14 15:23:31 -0500 | [diff] [blame] | 38 | |
Tao Bao | e01b520 | 2017-04-11 00:28:34 -0700 | [diff] [blame] | 39 | import libcore.io.Streams; |
| 40 | |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 41 | import java.io.ByteArrayInputStream; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 42 | import java.io.File; |
Tao Bao | e01b520 | 2017-04-11 00:28:34 -0700 | [diff] [blame] | 43 | import java.io.FileInputStream; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 44 | import java.io.FileNotFoundException; |
| 45 | import java.io.FileWriter; |
| 46 | import java.io.IOException; |
Doug Zongker | e2d58e9 | 2011-11-04 13:39:47 -0700 | [diff] [blame] | 47 | import java.io.InputStream; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 48 | import java.io.RandomAccessFile; |
| 49 | import java.security.GeneralSecurityException; |
| 50 | import java.security.PublicKey; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 51 | import java.security.SignatureException; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 52 | import java.security.cert.CertificateFactory; |
| 53 | import java.security.cert.X509Certificate; |
Tao Bao | e01b520 | 2017-04-11 00:28:34 -0700 | [diff] [blame] | 54 | import java.util.ArrayList; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 55 | import java.util.Enumeration; |
| 56 | import java.util.HashSet; |
Doug Zongker | e33b400 | 2012-08-23 09:52:14 -0700 | [diff] [blame] | 57 | import java.util.Locale; |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 58 | import java.util.concurrent.CountDownLatch; |
| 59 | import java.util.concurrent.TimeUnit; |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 60 | import java.util.concurrent.atomic.AtomicBoolean; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 61 | import java.util.zip.ZipEntry; |
| 62 | import java.util.zip.ZipFile; |
Tao Bao | e01b520 | 2017-04-11 00:28:34 -0700 | [diff] [blame] | 63 | import java.util.zip.ZipInputStream; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 64 | |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 65 | import sun.security.pkcs.PKCS7; |
| 66 | import sun.security.pkcs.SignerInfo; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 67 | |
| 68 | /** |
| 69 | * RecoverySystem contains methods for interacting with the Android |
| 70 | * recovery system (the separate partition that can be used to install |
| 71 | * system updates, wipe user data, etc.) |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 72 | */ |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 73 | @SystemService(Context.RECOVERY_SERVICE) |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 74 | public class RecoverySystem { |
| 75 | private static final String TAG = "RecoverySystem"; |
| 76 | |
| 77 | /** |
| 78 | * Default location of zip file containing public keys (X509 |
| 79 | * certs) authorized to sign OTA updates. |
| 80 | */ |
| 81 | private static final File DEFAULT_KEYSTORE = |
| 82 | new File("/system/etc/security/otacerts.zip"); |
| 83 | |
| 84 | /** Send progress to listeners no more often than this (in ms). */ |
| 85 | private static final long PUBLISH_PROGRESS_INTERVAL_MS = 500; |
| 86 | |
qingxi | e060ffd | 2017-06-23 15:32:53 -0700 | [diff] [blame] | 87 | private static final long DEFAULT_EUICC_FACTORY_RESET_TIMEOUT_MILLIS = 30000L; // 30 s |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 88 | |
qingxi | e060ffd | 2017-06-23 15:32:53 -0700 | [diff] [blame] | 89 | private static final long MIN_EUICC_FACTORY_RESET_TIMEOUT_MILLIS = 5000L; // 5 s |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 90 | |
qingxi | e060ffd | 2017-06-23 15:32:53 -0700 | [diff] [blame] | 91 | private static final long MAX_EUICC_FACTORY_RESET_TIMEOUT_MILLIS = 60000L; // 60 s |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 92 | |
Tao Bao | 5065e12 | 2015-08-18 12:37:02 -0700 | [diff] [blame] | 93 | /** Used to communicate with recovery. See bootable/recovery/recovery.cpp. */ |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 94 | private static final File RECOVERY_DIR = new File("/cache/recovery"); |
| 95 | private static final File LOG_FILE = new File(RECOVERY_DIR, "log"); |
Tianjie Xu | d12e150 | 2018-09-06 14:26:33 -0700 | [diff] [blame] | 96 | private static final String LAST_INSTALL_PATH = "last_install"; |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 97 | private static final String LAST_PREFIX = "last_"; |
qingxi | e060ffd | 2017-06-23 15:32:53 -0700 | [diff] [blame] | 98 | private static final String ACTION_EUICC_FACTORY_RESET = |
| 99 | "com.android.internal.action.EUICC_FACTORY_RESET"; |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 100 | |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 101 | /** used in {@link #wipeEuiccData} as package name of callback intent */ |
| 102 | private static final String PACKAGE_NAME_WIPING_EUICC_DATA_CALLBACK = "android"; |
| 103 | |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 104 | /** |
| 105 | * The recovery image uses this file to identify the location (i.e. blocks) |
| 106 | * of an OTA package on the /data partition. The block map file is |
| 107 | * generated by uncrypt. |
| 108 | * |
| 109 | * @hide |
| 110 | */ |
| 111 | public static final File BLOCK_MAP_FILE = new File(RECOVERY_DIR, "block.map"); |
| 112 | |
| 113 | /** |
| 114 | * UNCRYPT_PACKAGE_FILE stores the filename to be uncrypt'd, which will be |
| 115 | * read by uncrypt. |
| 116 | * |
| 117 | * @hide |
| 118 | */ |
| 119 | public static final File UNCRYPT_PACKAGE_FILE = new File(RECOVERY_DIR, "uncrypt_file"); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 120 | |
Tianjie Xu | 036d086 | 2016-09-24 15:39:56 -0700 | [diff] [blame] | 121 | /** |
| 122 | * UNCRYPT_STATUS_FILE stores the time cost (and error code in the case of a failure) |
| 123 | * of uncrypt. |
| 124 | * |
| 125 | * @hide |
| 126 | */ |
| 127 | public static final File UNCRYPT_STATUS_FILE = new File(RECOVERY_DIR, "uncrypt_status"); |
| 128 | |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 129 | // Length limits for reading files. |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 130 | private static final int LOG_FILE_MAX_LENGTH = 64 * 1024; |
| 131 | |
| 132 | // Prevent concurrent execution of requests. |
| 133 | private static final Object sRequestLock = new Object(); |
| 134 | |
| 135 | private final IRecoverySystem mService; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 136 | |
| 137 | /** |
| 138 | * Interface definition for a callback to be invoked regularly as |
| 139 | * verification proceeds. |
| 140 | */ |
| 141 | public interface ProgressListener { |
| 142 | /** |
| 143 | * Called periodically as the verification progresses. |
| 144 | * |
| 145 | * @param progress the approximate percentage of the |
| 146 | * verification that has been completed, ranging from 0 |
| 147 | * to 100 (inclusive). |
| 148 | */ |
| 149 | public void onProgress(int progress); |
| 150 | } |
| 151 | |
| 152 | /** @return the set of certs that can be used to sign an OTA package. */ |
Kenny Root | 27e5494 | 2013-10-14 11:17:25 -0700 | [diff] [blame] | 153 | private static HashSet<X509Certificate> getTrustedCerts(File keystore) |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 154 | throws IOException, GeneralSecurityException { |
Kenny Root | 27e5494 | 2013-10-14 11:17:25 -0700 | [diff] [blame] | 155 | HashSet<X509Certificate> trusted = new HashSet<X509Certificate>(); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 156 | if (keystore == null) { |
| 157 | keystore = DEFAULT_KEYSTORE; |
| 158 | } |
| 159 | ZipFile zip = new ZipFile(keystore); |
| 160 | try { |
| 161 | CertificateFactory cf = CertificateFactory.getInstance("X.509"); |
| 162 | Enumeration<? extends ZipEntry> entries = zip.entries(); |
| 163 | while (entries.hasMoreElements()) { |
| 164 | ZipEntry entry = entries.nextElement(); |
Doug Zongker | e2d58e9 | 2011-11-04 13:39:47 -0700 | [diff] [blame] | 165 | InputStream is = zip.getInputStream(entry); |
| 166 | try { |
Kenny Root | 27e5494 | 2013-10-14 11:17:25 -0700 | [diff] [blame] | 167 | trusted.add((X509Certificate) cf.generateCertificate(is)); |
Doug Zongker | e2d58e9 | 2011-11-04 13:39:47 -0700 | [diff] [blame] | 168 | } finally { |
| 169 | is.close(); |
| 170 | } |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 171 | } |
| 172 | } finally { |
| 173 | zip.close(); |
| 174 | } |
| 175 | return trusted; |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * Verify the cryptographic signature of a system update package |
| 180 | * before installing it. Note that the package is also verified |
| 181 | * separately by the installer once the device is rebooted into |
| 182 | * the recovery system. This function will return only if the |
| 183 | * package was successfully verified; otherwise it will throw an |
| 184 | * exception. |
| 185 | * |
| 186 | * Verification of a package can take significant time, so this |
Doug Zongker | cb95657 | 2010-03-11 10:27:21 -0800 | [diff] [blame] | 187 | * function should not be called from a UI thread. Interrupting |
| 188 | * the thread while this function is in progress will result in a |
| 189 | * SecurityException being thrown (and the thread's interrupt flag |
| 190 | * will be cleared). |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 191 | * |
| 192 | * @param packageFile the package to be verified |
| 193 | * @param listener an object to receive periodic progress |
| 194 | * updates as verification proceeds. May be null. |
| 195 | * @param deviceCertsZipFile the zip file of certificates whose |
| 196 | * public keys we will accept. Verification succeeds if the |
| 197 | * package is signed by the private key corresponding to any |
| 198 | * public key in this file. May be null to use the system default |
| 199 | * file (currently "/system/etc/security/otacerts.zip"). |
| 200 | * |
| 201 | * @throws IOException if there were any errors reading the |
| 202 | * package or certs files. |
| 203 | * @throws GeneralSecurityException if verification failed |
| 204 | */ |
| 205 | public static void verifyPackage(File packageFile, |
| 206 | ProgressListener listener, |
| 207 | File deviceCertsZipFile) |
| 208 | throws IOException, GeneralSecurityException { |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 209 | final long fileLen = packageFile.length(); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 210 | |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 211 | final RandomAccessFile raf = new RandomAccessFile(packageFile, "r"); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 212 | try { |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 213 | final long startTimeMillis = System.currentTimeMillis(); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 214 | if (listener != null) { |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 215 | listener.onProgress(0); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | raf.seek(fileLen - 6); |
| 219 | byte[] footer = new byte[6]; |
| 220 | raf.readFully(footer); |
| 221 | |
| 222 | if (footer[2] != (byte)0xff || footer[3] != (byte)0xff) { |
| 223 | throw new SignatureException("no signature in file (no footer)"); |
| 224 | } |
| 225 | |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 226 | final int commentSize = (footer[4] & 0xff) | ((footer[5] & 0xff) << 8); |
| 227 | final int signatureStart = (footer[0] & 0xff) | ((footer[1] & 0xff) << 8); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 228 | |
| 229 | byte[] eocd = new byte[commentSize + 22]; |
| 230 | raf.seek(fileLen - (commentSize + 22)); |
| 231 | raf.readFully(eocd); |
| 232 | |
| 233 | // Check that we have found the start of the |
| 234 | // end-of-central-directory record. |
| 235 | if (eocd[0] != (byte)0x50 || eocd[1] != (byte)0x4b || |
| 236 | eocd[2] != (byte)0x05 || eocd[3] != (byte)0x06) { |
| 237 | throw new SignatureException("no signature in file (bad footer)"); |
| 238 | } |
| 239 | |
| 240 | for (int i = 4; i < eocd.length-3; ++i) { |
| 241 | if (eocd[i ] == (byte)0x50 && eocd[i+1] == (byte)0x4b && |
| 242 | eocd[i+2] == (byte)0x05 && eocd[i+3] == (byte)0x06) { |
| 243 | throw new SignatureException("EOCD marker found after start of EOCD"); |
| 244 | } |
| 245 | } |
| 246 | |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 247 | // Parse the signature |
| 248 | PKCS7 block = |
| 249 | new PKCS7(new ByteArrayInputStream(eocd, commentSize+22-signatureStart, signatureStart)); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 250 | |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 251 | // Take the first certificate from the signature (packages |
| 252 | // should contain only one). |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 253 | X509Certificate[] certificates = block.getCertificates(); |
| 254 | if (certificates == null || certificates.length == 0) { |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 255 | throw new SignatureException("signature contains no certificates"); |
| 256 | } |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 257 | X509Certificate cert = certificates[0]; |
| 258 | PublicKey signatureKey = cert.getPublicKey(); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 259 | |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 260 | SignerInfo[] signerInfos = block.getSignerInfos(); |
| 261 | if (signerInfos == null || signerInfos.length == 0) { |
| 262 | throw new SignatureException("signature contains no signedData"); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 263 | } |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 264 | SignerInfo signerInfo = signerInfos[0]; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 265 | |
| 266 | // Check that the public key of the certificate contained |
| 267 | // in the package equals one of our trusted public keys. |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 268 | boolean verified = false; |
Kenny Root | 27e5494 | 2013-10-14 11:17:25 -0700 | [diff] [blame] | 269 | HashSet<X509Certificate> trusted = getTrustedCerts( |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 270 | deviceCertsZipFile == null ? DEFAULT_KEYSTORE : deviceCertsZipFile); |
Kenny Root | 27e5494 | 2013-10-14 11:17:25 -0700 | [diff] [blame] | 271 | for (X509Certificate c : trusted) { |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 272 | if (c.getPublicKey().equals(signatureKey)) { |
| 273 | verified = true; |
| 274 | break; |
| 275 | } |
| 276 | } |
| 277 | if (!verified) { |
| 278 | throw new SignatureException("signature doesn't match any trusted key"); |
| 279 | } |
| 280 | |
| 281 | // The signature cert matches a trusted key. Now verify that |
| 282 | // the digest in the cert matches the actual file data. |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 283 | raf.seek(0); |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 284 | final ProgressListener listenerForInner = listener; |
| 285 | SignerInfo verifyResult = block.verify(signerInfo, new InputStream() { |
| 286 | // The signature covers all of the OTA package except the |
| 287 | // archive comment and its 2-byte length. |
| 288 | long toRead = fileLen - commentSize - 2; |
| 289 | long soFar = 0; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 290 | |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 291 | int lastPercent = 0; |
| 292 | long lastPublishTime = startTimeMillis; |
| 293 | |
| 294 | @Override |
| 295 | public int read() throws IOException { |
| 296 | throw new UnsupportedOperationException(); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 297 | } |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 298 | |
| 299 | @Override |
| 300 | public int read(byte[] b, int off, int len) throws IOException { |
| 301 | if (soFar >= toRead) { |
| 302 | return -1; |
| 303 | } |
| 304 | if (Thread.currentThread().isInterrupted()) { |
| 305 | return -1; |
| 306 | } |
| 307 | |
| 308 | int size = len; |
| 309 | if (soFar + size > toRead) { |
| 310 | size = (int)(toRead - soFar); |
| 311 | } |
| 312 | int read = raf.read(b, off, size); |
| 313 | soFar += read; |
| 314 | |
| 315 | if (listenerForInner != null) { |
| 316 | long now = System.currentTimeMillis(); |
| 317 | int p = (int)(soFar * 100 / toRead); |
| 318 | if (p > lastPercent && |
| 319 | now - lastPublishTime > PUBLISH_PROGRESS_INTERVAL_MS) { |
| 320 | lastPercent = p; |
| 321 | lastPublishTime = now; |
| 322 | listenerForInner.onProgress(lastPercent); |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | return read; |
| 327 | } |
| 328 | }); |
| 329 | |
| 330 | final boolean interrupted = Thread.interrupted(); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 331 | if (listener != null) { |
| 332 | listener.onProgress(100); |
| 333 | } |
| 334 | |
Doug Zongker | cb95657 | 2010-03-11 10:27:21 -0800 | [diff] [blame] | 335 | if (interrupted) { |
| 336 | throw new SignatureException("verification was interrupted"); |
| 337 | } |
| 338 | |
Przemyslaw Szczepaniak | 9ad08ec | 2015-07-09 13:28:30 +0100 | [diff] [blame] | 339 | if (verifyResult == null) { |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 340 | throw new SignatureException("signature digest verification failed"); |
| 341 | } |
| 342 | } finally { |
| 343 | raf.close(); |
| 344 | } |
Tao Bao | e01b520 | 2017-04-11 00:28:34 -0700 | [diff] [blame] | 345 | |
| 346 | // Additionally verify the package compatibility. |
| 347 | if (!readAndVerifyPackageCompatibilityEntry(packageFile)) { |
| 348 | throw new SignatureException("package compatibility verification failed"); |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * Verifies the compatibility entry from an {@link InputStream}. |
| 354 | * |
| 355 | * @return the verification result. |
| 356 | */ |
| 357 | private static boolean verifyPackageCompatibility(InputStream inputStream) throws IOException { |
| 358 | ArrayList<String> list = new ArrayList<>(); |
| 359 | ZipInputStream zis = new ZipInputStream(inputStream); |
| 360 | ZipEntry entry; |
| 361 | while ((entry = zis.getNextEntry()) != null) { |
| 362 | long entrySize = entry.getSize(); |
| 363 | if (entrySize > Integer.MAX_VALUE || entrySize < 0) { |
| 364 | throw new IOException( |
| 365 | "invalid entry size (" + entrySize + ") in the compatibility file"); |
| 366 | } |
| 367 | byte[] bytes = new byte[(int) entrySize]; |
| 368 | Streams.readFully(zis, bytes); |
| 369 | list.add(new String(bytes, UTF_8)); |
| 370 | } |
| 371 | if (list.isEmpty()) { |
| 372 | throw new IOException("no entries found in the compatibility file"); |
| 373 | } |
Tao Bao | 87daeb15 | 2017-04-18 15:53:40 -0700 | [diff] [blame] | 374 | return (VintfObject.verify(list.toArray(new String[list.size()])) == 0); |
Tao Bao | e01b520 | 2017-04-11 00:28:34 -0700 | [diff] [blame] | 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Reads and verifies the compatibility entry in an OTA zip package. The compatibility entry is |
| 379 | * a zip file (inside the OTA package zip). |
| 380 | * |
| 381 | * @return {@code true} if the entry doesn't exist or verification passes. |
| 382 | */ |
| 383 | private static boolean readAndVerifyPackageCompatibilityEntry(File packageFile) |
| 384 | throws IOException { |
| 385 | try (ZipFile zip = new ZipFile(packageFile)) { |
| 386 | ZipEntry entry = zip.getEntry("compatibility.zip"); |
| 387 | if (entry == null) { |
| 388 | return true; |
| 389 | } |
| 390 | InputStream inputStream = zip.getInputStream(entry); |
| 391 | return verifyPackageCompatibility(inputStream); |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Verifies the package compatibility info against the current system. |
| 397 | * |
| 398 | * @param compatibilityFile the {@link File} that contains the package compatibility info. |
| 399 | * @throws IOException if there were any errors reading the compatibility file. |
| 400 | * @return the compatibility verification result. |
| 401 | * |
| 402 | * {@hide} |
| 403 | */ |
| 404 | @SystemApi |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 405 | @SuppressLint("Doclava125") |
Tao Bao | e01b520 | 2017-04-11 00:28:34 -0700 | [diff] [blame] | 406 | public static boolean verifyPackageCompatibility(File compatibilityFile) throws IOException { |
| 407 | try (InputStream inputStream = new FileInputStream(compatibilityFile)) { |
| 408 | return verifyPackageCompatibility(inputStream); |
| 409 | } |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | /** |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 413 | * Process a given package with uncrypt. No-op if the package is not on the |
| 414 | * /data partition. |
| 415 | * |
| 416 | * @param Context the Context to use |
| 417 | * @param packageFile the package to be processed |
| 418 | * @param listener an object to receive periodic progress updates as |
| 419 | * processing proceeds. May be null. |
| 420 | * @param handler the Handler upon which the callbacks will be |
| 421 | * executed. |
| 422 | * |
| 423 | * @throws IOException if there were any errors processing the package file. |
| 424 | * |
| 425 | * @hide |
| 426 | */ |
| 427 | @SystemApi |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 428 | @RequiresPermission(android.Manifest.permission.RECOVERY) |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 429 | public static void processPackage(Context context, |
| 430 | File packageFile, |
| 431 | final ProgressListener listener, |
| 432 | final Handler handler) |
| 433 | throws IOException { |
| 434 | String filename = packageFile.getCanonicalPath(); |
| 435 | if (!filename.startsWith("/data/")) { |
| 436 | return; |
| 437 | } |
| 438 | |
| 439 | RecoverySystem rs = (RecoverySystem) context.getSystemService(Context.RECOVERY_SERVICE); |
| 440 | IRecoverySystemProgressListener progressListener = null; |
| 441 | if (listener != null) { |
| 442 | final Handler progressHandler; |
| 443 | if (handler != null) { |
| 444 | progressHandler = handler; |
| 445 | } else { |
| 446 | progressHandler = new Handler(context.getMainLooper()); |
| 447 | } |
| 448 | progressListener = new IRecoverySystemProgressListener.Stub() { |
| 449 | int lastProgress = 0; |
| 450 | long lastPublishTime = System.currentTimeMillis(); |
| 451 | |
| 452 | @Override |
| 453 | public void onProgress(final int progress) { |
| 454 | final long now = System.currentTimeMillis(); |
| 455 | progressHandler.post(new Runnable() { |
| 456 | @Override |
| 457 | public void run() { |
| 458 | if (progress > lastProgress && |
| 459 | now - lastPublishTime > PUBLISH_PROGRESS_INTERVAL_MS) { |
| 460 | lastProgress = progress; |
| 461 | lastPublishTime = now; |
| 462 | listener.onProgress(progress); |
| 463 | } |
| 464 | } |
| 465 | }); |
| 466 | } |
| 467 | }; |
| 468 | } |
| 469 | |
| 470 | if (!rs.uncrypt(filename, progressListener)) { |
| 471 | throw new IOException("process package failed"); |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | /** |
| 476 | * Process a given package with uncrypt. No-op if the package is not on the |
| 477 | * /data partition. |
| 478 | * |
| 479 | * @param Context the Context to use |
| 480 | * @param packageFile the package to be processed |
| 481 | * @param listener an object to receive periodic progress updates as |
| 482 | * processing proceeds. May be null. |
| 483 | * |
| 484 | * @throws IOException if there were any errors processing the package file. |
| 485 | * |
| 486 | * @hide |
| 487 | */ |
| 488 | @SystemApi |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 489 | @RequiresPermission(android.Manifest.permission.RECOVERY) |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 490 | public static void processPackage(Context context, |
| 491 | File packageFile, |
| 492 | final ProgressListener listener) |
| 493 | throws IOException { |
| 494 | processPackage(context, packageFile, listener, null); |
| 495 | } |
| 496 | |
| 497 | /** |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 498 | * Reboots the device in order to install the given update |
| 499 | * package. |
Jeff Brown | 64010e8 | 2010-04-08 16:52:18 -0700 | [diff] [blame] | 500 | * Requires the {@link android.Manifest.permission#REBOOT} permission. |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 501 | * |
| 502 | * @param context the Context to use |
Doug Zongker | 4baf641 | 2010-09-20 13:09:57 -0700 | [diff] [blame] | 503 | * @param packageFile the update package to install. Must be on |
| 504 | * a partition mountable by recovery. (The set of partitions |
| 505 | * known to recovery may vary from device to device. Generally, |
| 506 | * /cache and /data are safe.) |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 507 | * |
| 508 | * @throws IOException if writing the recovery command file |
| 509 | * fails, or if the reboot itself fails. |
| 510 | */ |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 511 | @RequiresPermission(android.Manifest.permission.RECOVERY) |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 512 | public static void installPackage(Context context, File packageFile) |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 513 | throws IOException { |
| 514 | installPackage(context, packageFile, false); |
| 515 | } |
| 516 | |
| 517 | /** |
| 518 | * If the package hasn't been processed (i.e. uncrypt'd), set up |
| 519 | * UNCRYPT_PACKAGE_FILE and delete BLOCK_MAP_FILE to trigger uncrypt during the |
| 520 | * reboot. |
| 521 | * |
| 522 | * @param context the Context to use |
| 523 | * @param packageFile the update package to install. Must be on a |
| 524 | * partition mountable by recovery. |
| 525 | * @param processed if the package has been processed (uncrypt'd). |
| 526 | * |
| 527 | * @throws IOException if writing the recovery command file fails, or if |
| 528 | * the reboot itself fails. |
| 529 | * |
| 530 | * @hide |
| 531 | */ |
| 532 | @SystemApi |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 533 | @RequiresPermission(android.Manifest.permission.RECOVERY) |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 534 | public static void installPackage(Context context, File packageFile, boolean processed) |
| 535 | throws IOException { |
| 536 | synchronized (sRequestLock) { |
| 537 | LOG_FILE.delete(); |
| 538 | // Must delete the file in case it was created by system server. |
| 539 | UNCRYPT_PACKAGE_FILE.delete(); |
| 540 | |
| 541 | String filename = packageFile.getCanonicalPath(); |
| 542 | Log.w(TAG, "!!! REBOOTING TO INSTALL " + filename + " !!!"); |
| 543 | |
Tianjie Xu | ac75f1e | 2016-04-28 16:44:42 -0700 | [diff] [blame] | 544 | // If the package name ends with "_s.zip", it's a security update. |
| 545 | boolean securityUpdate = filename.endsWith("_s.zip"); |
| 546 | |
Tao Bao | 36baafe | 2016-03-14 17:11:05 -0700 | [diff] [blame] | 547 | // If the package is on the /data partition, the package needs to |
| 548 | // be processed (i.e. uncrypt'd). The caller specifies if that has |
| 549 | // been done in 'processed' parameter. |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 550 | if (filename.startsWith("/data/")) { |
Tao Bao | 36baafe | 2016-03-14 17:11:05 -0700 | [diff] [blame] | 551 | if (processed) { |
| 552 | if (!BLOCK_MAP_FILE.exists()) { |
| 553 | Log.e(TAG, "Package claimed to have been processed but failed to find " |
| 554 | + "the block map file."); |
| 555 | throw new IOException("Failed to find block map file"); |
| 556 | } |
| 557 | } else { |
| 558 | FileWriter uncryptFile = new FileWriter(UNCRYPT_PACKAGE_FILE); |
| 559 | try { |
| 560 | uncryptFile.write(filename + "\n"); |
| 561 | } finally { |
| 562 | uncryptFile.close(); |
| 563 | } |
| 564 | // UNCRYPT_PACKAGE_FILE needs to be readable and writable |
| 565 | // by system server. |
| 566 | if (!UNCRYPT_PACKAGE_FILE.setReadable(true, false) |
| 567 | || !UNCRYPT_PACKAGE_FILE.setWritable(true, false)) { |
| 568 | Log.e(TAG, "Error setting permission for " + UNCRYPT_PACKAGE_FILE); |
| 569 | } |
| 570 | |
| 571 | BLOCK_MAP_FILE.delete(); |
| 572 | } |
| 573 | |
| 574 | // If the package is on the /data partition, use the block map |
| 575 | // file as the package name instead. |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 576 | filename = "@/cache/recovery/block.map"; |
| 577 | } |
| 578 | |
| 579 | final String filenameArg = "--update_package=" + filename + "\n"; |
Tianjie Xu | b1b38b3 | 2017-03-28 20:12:14 +0000 | [diff] [blame] | 580 | final String localeArg = "--locale=" + Locale.getDefault().toLanguageTag() + "\n"; |
Tianjie Xu | ac75f1e | 2016-04-28 16:44:42 -0700 | [diff] [blame] | 581 | final String securityArg = "--security\n"; |
| 582 | |
| 583 | String command = filenameArg + localeArg; |
| 584 | if (securityUpdate) { |
| 585 | command += securityArg; |
| 586 | } |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 587 | |
| 588 | RecoverySystem rs = (RecoverySystem) context.getSystemService( |
| 589 | Context.RECOVERY_SERVICE); |
Tao Bao | cc76991 | 2017-01-17 12:42:43 -0800 | [diff] [blame] | 590 | if (!rs.setupBcb(command)) { |
| 591 | throw new IOException("Setup BCB failed"); |
| 592 | } |
| 593 | |
| 594 | // Having set up the BCB (bootloader control block), go ahead and reboot |
| 595 | PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); |
Dmitri Plotnikov | 690c6bd | 2017-05-10 16:26:38 -0700 | [diff] [blame] | 596 | String reason = PowerManager.REBOOT_RECOVERY_UPDATE; |
| 597 | |
| 598 | // On TV, reboot quiescently if the screen is off |
| 599 | if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_LEANBACK)) { |
| 600 | WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); |
| 601 | if (wm.getDefaultDisplay().getState() != Display.STATE_ON) { |
| 602 | reason += ",quiescent"; |
| 603 | } |
| 604 | } |
| 605 | pm.reboot(reason); |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 606 | |
| 607 | throw new IOException("Reboot failed (no permissions?)"); |
| 608 | } |
| 609 | } |
| 610 | |
| 611 | /** |
| 612 | * Schedule to install the given package on next boot. The caller needs to |
| 613 | * ensure that the package must have been processed (uncrypt'd) if needed. |
| 614 | * It sets up the command in BCB (bootloader control block), which will |
| 615 | * be read by the bootloader and the recovery image. |
| 616 | * |
| 617 | * @param Context the Context to use. |
| 618 | * @param packageFile the package to be installed. |
| 619 | * |
| 620 | * @throws IOException if there were any errors setting up the BCB. |
| 621 | * |
| 622 | * @hide |
| 623 | */ |
| 624 | @SystemApi |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 625 | @RequiresPermission(android.Manifest.permission.RECOVERY) |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 626 | public static void scheduleUpdateOnBoot(Context context, File packageFile) |
| 627 | throws IOException { |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 628 | String filename = packageFile.getCanonicalPath(); |
Tianjie Xu | ac75f1e | 2016-04-28 16:44:42 -0700 | [diff] [blame] | 629 | boolean securityUpdate = filename.endsWith("_s.zip"); |
Tao Bao | 90237f7 | 2015-05-21 16:25:19 -0700 | [diff] [blame] | 630 | |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 631 | // If the package is on the /data partition, use the block map file as |
| 632 | // the package name instead. |
Tao Bao | 90237f7 | 2015-05-21 16:25:19 -0700 | [diff] [blame] | 633 | if (filename.startsWith("/data/")) { |
| 634 | filename = "@/cache/recovery/block.map"; |
| 635 | } |
| 636 | |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 637 | final String filenameArg = "--update_package=" + filename + "\n"; |
Tianjie Xu | b1b38b3 | 2017-03-28 20:12:14 +0000 | [diff] [blame] | 638 | final String localeArg = "--locale=" + Locale.getDefault().toLanguageTag() + "\n"; |
Tianjie Xu | ac75f1e | 2016-04-28 16:44:42 -0700 | [diff] [blame] | 639 | final String securityArg = "--security\n"; |
| 640 | |
| 641 | String command = filenameArg + localeArg; |
| 642 | if (securityUpdate) { |
| 643 | command += securityArg; |
| 644 | } |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 645 | |
| 646 | RecoverySystem rs = (RecoverySystem) context.getSystemService(Context.RECOVERY_SERVICE); |
| 647 | if (!rs.setupBcb(command)) { |
| 648 | throw new IOException("schedule update on boot failed"); |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | /** |
| 653 | * Cancel any scheduled update by clearing up the BCB (bootloader control |
| 654 | * block). |
| 655 | * |
| 656 | * @param Context the Context to use. |
| 657 | * |
| 658 | * @throws IOException if there were any errors clearing up the BCB. |
| 659 | * |
| 660 | * @hide |
| 661 | */ |
| 662 | @SystemApi |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 663 | @RequiresPermission(android.Manifest.permission.RECOVERY) |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 664 | public static void cancelScheduledUpdate(Context context) |
| 665 | throws IOException { |
| 666 | RecoverySystem rs = (RecoverySystem) context.getSystemService(Context.RECOVERY_SERVICE); |
| 667 | if (!rs.clearBcb()) { |
| 668 | throw new IOException("cancel scheduled update failed"); |
| 669 | } |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 670 | } |
| 671 | |
| 672 | /** |
Doug Zongker | cdf0088 | 2014-03-18 12:52:04 -0700 | [diff] [blame] | 673 | * Reboots the device and wipes the user data and cache |
| 674 | * partitions. This is sometimes called a "factory reset", which |
| 675 | * is something of a misnomer because the system partition is not |
| 676 | * restored to its factory state. Requires the |
| 677 | * {@link android.Manifest.permission#REBOOT} permission. |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 678 | * |
| 679 | * @param context the Context to use |
| 680 | * |
| 681 | * @throws IOException if writing the recovery command file |
| 682 | * fails, or if the reboot itself fails. |
Julia Reynolds | fe05380 | 2014-06-30 11:41:32 -0400 | [diff] [blame] | 683 | * @throws SecurityException if the current user is not allowed to wipe data. |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 684 | */ |
Jason parks | 4ca74dc | 2011-03-14 15:23:31 -0500 | [diff] [blame] | 685 | public static void rebootWipeUserData(Context context) throws IOException { |
Benjamin Franz | f9d5e6a | 2016-05-26 14:24:29 +0100 | [diff] [blame] | 686 | rebootWipeUserData(context, false /* shutdown */, context.getPackageName(), |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 687 | false /* force */, false /* wipeEuicc */); |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 688 | } |
| 689 | |
| 690 | /** {@hide} */ |
| 691 | public static void rebootWipeUserData(Context context, String reason) throws IOException { |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 692 | rebootWipeUserData(context, false /* shutdown */, reason, false /* force */, |
| 693 | false /* wipeEuicc */); |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 694 | } |
| 695 | |
| 696 | /** {@hide} */ |
| 697 | public static void rebootWipeUserData(Context context, boolean shutdown) |
| 698 | throws IOException { |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 699 | rebootWipeUserData(context, shutdown, context.getPackageName(), false /* force */, |
| 700 | false /* wipeEuicc */); |
| 701 | } |
| 702 | |
| 703 | /** {@hide} */ |
| 704 | public static void rebootWipeUserData(Context context, boolean shutdown, String reason, |
| 705 | boolean force) throws IOException { |
| 706 | rebootWipeUserData(context, shutdown, reason, force, false /* wipeEuicc */); |
Doug Zongker | cdf0088 | 2014-03-18 12:52:04 -0700 | [diff] [blame] | 707 | } |
| 708 | |
| 709 | /** |
| 710 | * Reboots the device and wipes the user data and cache |
| 711 | * partitions. This is sometimes called a "factory reset", which |
| 712 | * is something of a misnomer because the system partition is not |
| 713 | * restored to its factory state. Requires the |
| 714 | * {@link android.Manifest.permission#REBOOT} permission. |
| 715 | * |
| 716 | * @param context the Context to use |
| 717 | * @param shutdown if true, the device will be powered down after |
| 718 | * the wipe completes, rather than being rebooted |
| 719 | * back to the regular system. |
Benjamin Franz | f9d5e6a | 2016-05-26 14:24:29 +0100 | [diff] [blame] | 720 | * @param reason the reason for the wipe that is visible in the logs |
| 721 | * @param force whether the {@link UserManager.DISALLOW_FACTORY_RESET} user restriction |
| 722 | * should be ignored |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 723 | * @param wipeEuicc whether wipe the euicc data |
Doug Zongker | cdf0088 | 2014-03-18 12:52:04 -0700 | [diff] [blame] | 724 | * |
| 725 | * @throws IOException if writing the recovery command file |
| 726 | * fails, or if the reboot itself fails. |
Julia Reynolds | fe05380 | 2014-06-30 11:41:32 -0400 | [diff] [blame] | 727 | * @throws SecurityException if the current user is not allowed to wipe data. |
Doug Zongker | cdf0088 | 2014-03-18 12:52:04 -0700 | [diff] [blame] | 728 | * |
| 729 | * @hide |
| 730 | */ |
Benjamin Franz | f9d5e6a | 2016-05-26 14:24:29 +0100 | [diff] [blame] | 731 | public static void rebootWipeUserData(Context context, boolean shutdown, String reason, |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 732 | boolean force, boolean wipeEuicc) throws IOException { |
Julia Reynolds | fe05380 | 2014-06-30 11:41:32 -0400 | [diff] [blame] | 733 | UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE); |
Benjamin Franz | f9d5e6a | 2016-05-26 14:24:29 +0100 | [diff] [blame] | 734 | if (!force && um.hasUserRestriction(UserManager.DISALLOW_FACTORY_RESET)) { |
Julia Reynolds | fe05380 | 2014-06-30 11:41:32 -0400 | [diff] [blame] | 735 | throw new SecurityException("Wiping data is not allowed for this user."); |
| 736 | } |
Jason parks | 4ca74dc | 2011-03-14 15:23:31 -0500 | [diff] [blame] | 737 | final ConditionVariable condition = new ConditionVariable(); |
| 738 | |
| 739 | Intent intent = new Intent("android.intent.action.MASTER_CLEAR_NOTIFICATION"); |
Christopher Tate | 2d6c945 | 2017-01-25 14:49:44 -0800 | [diff] [blame] | 740 | intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND |
| 741 | | Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); |
Xiaohui Chen | e4de5a0 | 2015-09-22 15:33:31 -0700 | [diff] [blame] | 742 | context.sendOrderedBroadcastAsUser(intent, UserHandle.SYSTEM, |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 743 | android.Manifest.permission.MASTER_CLEAR, |
Jason parks | 4ca74dc | 2011-03-14 15:23:31 -0500 | [diff] [blame] | 744 | new BroadcastReceiver() { |
| 745 | @Override |
| 746 | public void onReceive(Context context, Intent intent) { |
| 747 | condition.open(); |
| 748 | } |
| 749 | }, null, 0, null, null); |
| 750 | |
| 751 | // Block until the ordered broadcast has completed. |
| 752 | condition.block(); |
| 753 | |
Qingxi Li | f4577a5 | 2018-01-11 11:24:29 -0800 | [diff] [blame] | 754 | if (wipeEuicc) { |
| 755 | wipeEuiccData(context, PACKAGE_NAME_WIPING_EUICC_DATA_CALLBACK); |
| 756 | } |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 757 | |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 758 | String shutdownArg = null; |
Doug Zongker | cdf0088 | 2014-03-18 12:52:04 -0700 | [diff] [blame] | 759 | if (shutdown) { |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 760 | shutdownArg = "--shutdown_after"; |
Doug Zongker | cdf0088 | 2014-03-18 12:52:04 -0700 | [diff] [blame] | 761 | } |
| 762 | |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 763 | String reasonArg = null; |
| 764 | if (!TextUtils.isEmpty(reason)) { |
| 765 | reasonArg = "--reason=" + sanitizeArg(reason); |
| 766 | } |
| 767 | |
Tianjie Xu | b1b38b3 | 2017-03-28 20:12:14 +0000 | [diff] [blame] | 768 | final String localeArg = "--locale=" + Locale.getDefault().toLanguageTag() ; |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 769 | bootCommand(context, shutdownArg, "--wipe_data", reasonArg, localeArg); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 770 | } |
| 771 | |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 772 | /** |
| 773 | * Returns whether wipe Euicc data successfully or not. |
| 774 | * |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 775 | * @param packageName the package name of the caller app. |
| 776 | * |
| 777 | * @hide |
| 778 | */ |
Qingxi Li | f4577a5 | 2018-01-11 11:24:29 -0800 | [diff] [blame] | 779 | public static boolean wipeEuiccData(Context context, final String packageName) { |
Jeff Davidson | e05f37e | 2017-07-19 16:55:45 -0700 | [diff] [blame] | 780 | ContentResolver cr = context.getContentResolver(); |
| 781 | if (Settings.Global.getInt(cr, Settings.Global.EUICC_PROVISIONED, 0) == 0) { |
| 782 | // If the eUICC isn't provisioned, there's no reason to either wipe or retain profiles, |
| 783 | // as there's nothing to wipe nor retain. |
| 784 | Log.d(TAG, "Skipping eUICC wipe/retain as it is not provisioned"); |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 785 | return true; |
Jeff Davidson | e05f37e | 2017-07-19 16:55:45 -0700 | [diff] [blame] | 786 | } |
| 787 | |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 788 | EuiccManager euiccManager = (EuiccManager) context.getSystemService( |
| 789 | Context.EUICC_SERVICE); |
| 790 | if (euiccManager != null && euiccManager.isEnabled()) { |
| 791 | CountDownLatch euiccFactoryResetLatch = new CountDownLatch(1); |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 792 | final AtomicBoolean wipingSucceeded = new AtomicBoolean(false); |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 793 | |
| 794 | BroadcastReceiver euiccWipeFinishReceiver = new BroadcastReceiver() { |
| 795 | @Override |
| 796 | public void onReceive(Context context, Intent intent) { |
qingxi | e060ffd | 2017-06-23 15:32:53 -0700 | [diff] [blame] | 797 | if (ACTION_EUICC_FACTORY_RESET.equals(intent.getAction())) { |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 798 | if (getResultCode() != EuiccManager.EMBEDDED_SUBSCRIPTION_RESULT_OK) { |
| 799 | int detailedCode = intent.getIntExtra( |
| 800 | EuiccManager.EXTRA_EMBEDDED_SUBSCRIPTION_DETAILED_CODE, 0); |
Qingxi Li | f4577a5 | 2018-01-11 11:24:29 -0800 | [diff] [blame] | 801 | Log.e(TAG, "Error wiping euicc data, Detailed code = " |
| 802 | + detailedCode); |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 803 | } else { |
Qingxi Li | f4577a5 | 2018-01-11 11:24:29 -0800 | [diff] [blame] | 804 | Log.d(TAG, "Successfully wiped euicc data."); |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 805 | wipingSucceeded.set(true /* newValue */); |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 806 | } |
| 807 | euiccFactoryResetLatch.countDown(); |
| 808 | } |
| 809 | } |
| 810 | }; |
| 811 | |
qingxi | e060ffd | 2017-06-23 15:32:53 -0700 | [diff] [blame] | 812 | Intent intent = new Intent(ACTION_EUICC_FACTORY_RESET); |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 813 | intent.setPackage(packageName); |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 814 | PendingIntent callbackIntent = PendingIntent.getBroadcastAsUser( |
| 815 | context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT, UserHandle.SYSTEM); |
| 816 | IntentFilter filterConsent = new IntentFilter(); |
qingxi | e060ffd | 2017-06-23 15:32:53 -0700 | [diff] [blame] | 817 | filterConsent.addAction(ACTION_EUICC_FACTORY_RESET); |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 818 | HandlerThread euiccHandlerThread = new HandlerThread("euiccWipeFinishReceiverThread"); |
| 819 | euiccHandlerThread.start(); |
| 820 | Handler euiccHandler = new Handler(euiccHandlerThread.getLooper()); |
qingxi | aee0ab9 | 2017-07-12 13:15:51 -0700 | [diff] [blame] | 821 | context.getApplicationContext() |
| 822 | .registerReceiver(euiccWipeFinishReceiver, filterConsent, null, euiccHandler); |
Qingxi Li | f4577a5 | 2018-01-11 11:24:29 -0800 | [diff] [blame] | 823 | euiccManager.eraseSubscriptions(callbackIntent); |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 824 | try { |
| 825 | long waitingTimeMillis = Settings.Global.getLong( |
| 826 | context.getContentResolver(), |
qingxi | e060ffd | 2017-06-23 15:32:53 -0700 | [diff] [blame] | 827 | Settings.Global.EUICC_FACTORY_RESET_TIMEOUT_MILLIS, |
| 828 | DEFAULT_EUICC_FACTORY_RESET_TIMEOUT_MILLIS); |
| 829 | if (waitingTimeMillis < MIN_EUICC_FACTORY_RESET_TIMEOUT_MILLIS) { |
| 830 | waitingTimeMillis = MIN_EUICC_FACTORY_RESET_TIMEOUT_MILLIS; |
| 831 | } else if (waitingTimeMillis > MAX_EUICC_FACTORY_RESET_TIMEOUT_MILLIS) { |
| 832 | waitingTimeMillis = MAX_EUICC_FACTORY_RESET_TIMEOUT_MILLIS; |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 833 | } |
| 834 | if (!euiccFactoryResetLatch.await(waitingTimeMillis, TimeUnit.MILLISECONDS)) { |
Qingxi Li | f4577a5 | 2018-01-11 11:24:29 -0800 | [diff] [blame] | 835 | Log.e(TAG, "Timeout wiping eUICC data."); |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 836 | return false; |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 837 | } |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 838 | } catch (InterruptedException e) { |
| 839 | Thread.currentThread().interrupt(); |
Qingxi Li | f4577a5 | 2018-01-11 11:24:29 -0800 | [diff] [blame] | 840 | Log.e(TAG, "Wiping eUICC data interrupted", e); |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 841 | return false; |
| 842 | } finally { |
| 843 | context.getApplicationContext().unregisterReceiver(euiccWipeFinishReceiver); |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 844 | } |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 845 | return wipingSucceeded.get(); |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 846 | } |
Qingxi Li | c6097db | 2018-01-09 10:57:38 -0800 | [diff] [blame] | 847 | return false; |
yinxu | f4f9cec | 2017-06-19 10:28:19 -0700 | [diff] [blame] | 848 | } |
| 849 | |
Jeff Sharkey | fe6f85c | 2017-01-20 10:42:57 -0700 | [diff] [blame] | 850 | /** {@hide} */ |
| 851 | public static void rebootPromptAndWipeUserData(Context context, String reason) |
| 852 | throws IOException { |
| 853 | String reasonArg = null; |
| 854 | if (!TextUtils.isEmpty(reason)) { |
| 855 | reasonArg = "--reason=" + sanitizeArg(reason); |
| 856 | } |
| 857 | |
| 858 | final String localeArg = "--locale=" + Locale.getDefault().toString(); |
| 859 | bootCommand(context, null, "--prompt_and_wipe_data", reasonArg, localeArg); |
| 860 | } |
| 861 | |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 862 | /** |
Doug Zongker | 3365120 | 2011-07-19 12:45:09 -0700 | [diff] [blame] | 863 | * Reboot into the recovery system to wipe the /cache partition. |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 864 | * @throws IOException if something goes wrong. |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 865 | */ |
Doug Zongker | 3365120 | 2011-07-19 12:45:09 -0700 | [diff] [blame] | 866 | public static void rebootWipeCache(Context context) throws IOException { |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 867 | rebootWipeCache(context, context.getPackageName()); |
| 868 | } |
| 869 | |
| 870 | /** {@hide} */ |
| 871 | public static void rebootWipeCache(Context context, String reason) throws IOException { |
| 872 | String reasonArg = null; |
| 873 | if (!TextUtils.isEmpty(reason)) { |
| 874 | reasonArg = "--reason=" + sanitizeArg(reason); |
| 875 | } |
| 876 | |
Tianjie Xu | b1b38b3 | 2017-03-28 20:12:14 +0000 | [diff] [blame] | 877 | final String localeArg = "--locale=" + Locale.getDefault().toLanguageTag() ; |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 878 | bootCommand(context, "--wipe_cache", reasonArg, localeArg); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 879 | } |
| 880 | |
| 881 | /** |
Tao Bao | 1327a97 | 2016-06-02 08:47:56 -0700 | [diff] [blame] | 882 | * Reboot into recovery and wipe the A/B device. |
| 883 | * |
| 884 | * @param Context the Context to use. |
| 885 | * @param packageFile the wipe package to be applied. |
| 886 | * @param reason the reason to wipe. |
| 887 | * |
| 888 | * @throws IOException if something goes wrong. |
| 889 | * |
| 890 | * @hide |
| 891 | */ |
| 892 | @SystemApi |
Jeff Sharkey | d86b8fe | 2017-06-02 17:36:26 -0600 | [diff] [blame] | 893 | @RequiresPermission(allOf = { |
| 894 | android.Manifest.permission.RECOVERY, |
| 895 | android.Manifest.permission.REBOOT |
| 896 | }) |
Tao Bao | 1327a97 | 2016-06-02 08:47:56 -0700 | [diff] [blame] | 897 | public static void rebootWipeAb(Context context, File packageFile, String reason) |
| 898 | throws IOException { |
| 899 | String reasonArg = null; |
| 900 | if (!TextUtils.isEmpty(reason)) { |
| 901 | reasonArg = "--reason=" + sanitizeArg(reason); |
| 902 | } |
| 903 | |
| 904 | final String filename = packageFile.getCanonicalPath(); |
| 905 | final String filenameArg = "--wipe_package=" + filename; |
Tianjie Xu | b1b38b3 | 2017-03-28 20:12:14 +0000 | [diff] [blame] | 906 | final String localeArg = "--locale=" + Locale.getDefault().toLanguageTag() ; |
Tao Bao | 1327a97 | 2016-06-02 08:47:56 -0700 | [diff] [blame] | 907 | bootCommand(context, "--wipe_ab", filenameArg, reasonArg, localeArg); |
| 908 | } |
| 909 | |
| 910 | /** |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 911 | * Reboot into the recovery system with the supplied argument. |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 912 | * @param args to pass to the recovery utility. |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 913 | * @throws IOException if something goes wrong. |
| 914 | */ |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 915 | private static void bootCommand(Context context, String... args) throws IOException { |
Tao Bao | 794c8b0 | 2016-09-27 11:15:42 -0700 | [diff] [blame] | 916 | LOG_FILE.delete(); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 917 | |
Tao Bao | 794c8b0 | 2016-09-27 11:15:42 -0700 | [diff] [blame] | 918 | StringBuilder command = new StringBuilder(); |
| 919 | for (String arg : args) { |
| 920 | if (!TextUtils.isEmpty(arg)) { |
| 921 | command.append(arg); |
| 922 | command.append("\n"); |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 923 | } |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 924 | } |
Tao Bao | 794c8b0 | 2016-09-27 11:15:42 -0700 | [diff] [blame] | 925 | |
| 926 | // Write the command into BCB (bootloader control block) and boot from |
| 927 | // there. Will not return unless failed. |
| 928 | RecoverySystem rs = (RecoverySystem) context.getSystemService(Context.RECOVERY_SERVICE); |
Tao Bao | cc76991 | 2017-01-17 12:42:43 -0800 | [diff] [blame] | 929 | rs.rebootRecoveryWithCommand(command.toString()); |
Tao Bao | 794c8b0 | 2016-09-27 11:15:42 -0700 | [diff] [blame] | 930 | |
| 931 | throw new IOException("Reboot failed (no permissions?)"); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 932 | } |
| 933 | |
| 934 | /** |
| 935 | * Called after booting to process and remove recovery-related files. |
| 936 | * @return the log file from recovery, or null if none was found. |
| 937 | * |
| 938 | * @hide |
| 939 | */ |
Tianjie Xu | dcd3644 | 2016-05-13 12:30:29 -0700 | [diff] [blame] | 940 | public static String handleAftermath(Context context) { |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 941 | // Record the tail of the LOG_FILE |
| 942 | String log = null; |
| 943 | try { |
| 944 | log = FileUtils.readTextFile(LOG_FILE, -LOG_FILE_MAX_LENGTH, "...\n"); |
| 945 | } catch (FileNotFoundException e) { |
| 946 | Log.i(TAG, "No recovery log file"); |
| 947 | } catch (IOException e) { |
| 948 | Log.e(TAG, "Error reading recovery log", e); |
| 949 | } |
| 950 | |
Tianjie Xu | dcd3644 | 2016-05-13 12:30:29 -0700 | [diff] [blame] | 951 | |
Tao Bao | e8217ff | 2016-02-01 16:08:18 -0800 | [diff] [blame] | 952 | // Only remove the OTA package if it's partially processed (uncrypt'd). |
| 953 | boolean reservePackage = BLOCK_MAP_FILE.exists(); |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 954 | if (!reservePackage && UNCRYPT_PACKAGE_FILE.exists()) { |
Tao Bao | 87212ad | 2015-10-19 14:48:36 -0700 | [diff] [blame] | 955 | String filename = null; |
| 956 | try { |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 957 | filename = FileUtils.readTextFile(UNCRYPT_PACKAGE_FILE, 0, null); |
Tao Bao | 87212ad | 2015-10-19 14:48:36 -0700 | [diff] [blame] | 958 | } catch (IOException e) { |
| 959 | Log.e(TAG, "Error reading uncrypt file", e); |
| 960 | } |
| 961 | |
| 962 | // Remove the OTA package on /data that has been (possibly |
| 963 | // partially) processed. (Bug: 24973532) |
| 964 | if (filename != null && filename.startsWith("/data")) { |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 965 | if (UNCRYPT_PACKAGE_FILE.delete()) { |
Tao Bao | 87212ad | 2015-10-19 14:48:36 -0700 | [diff] [blame] | 966 | Log.i(TAG, "Deleted: " + filename); |
| 967 | } else { |
| 968 | Log.e(TAG, "Can't delete: " + filename); |
| 969 | } |
| 970 | } |
| 971 | } |
| 972 | |
Tao Bao | e8217ff | 2016-02-01 16:08:18 -0800 | [diff] [blame] | 973 | // We keep the update logs (beginning with LAST_PREFIX), and optionally |
| 974 | // the block map file (BLOCK_MAP_FILE) for a package. BLOCK_MAP_FILE |
| 975 | // will be created at the end of a successful uncrypt. If seeing this |
| 976 | // file, we keep the block map file and the file that contains the |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 977 | // package name (UNCRYPT_PACKAGE_FILE). This is to reduce the work for |
| 978 | // GmsCore to avoid re-downloading everything again. |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 979 | String[] names = RECOVERY_DIR.list(); |
| 980 | for (int i = 0; names != null && i < names.length; i++) { |
Tianjie Xu | d12e150 | 2018-09-06 14:26:33 -0700 | [diff] [blame] | 981 | // Do not remove the last_install file since the recovery-persist takes care of it. |
| 982 | if (names[i].startsWith(LAST_PREFIX) || names[i].equals(LAST_INSTALL_PATH)) continue; |
Tao Bao | e8217ff | 2016-02-01 16:08:18 -0800 | [diff] [blame] | 983 | if (reservePackage && names[i].equals(BLOCK_MAP_FILE.getName())) continue; |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 984 | if (reservePackage && names[i].equals(UNCRYPT_PACKAGE_FILE.getName())) continue; |
Tao Bao | e8217ff | 2016-02-01 16:08:18 -0800 | [diff] [blame] | 985 | |
Tao Bao | 5065e12 | 2015-08-18 12:37:02 -0700 | [diff] [blame] | 986 | recursiveDelete(new File(RECOVERY_DIR, names[i])); |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 987 | } |
| 988 | |
| 989 | return log; |
| 990 | } |
| 991 | |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 992 | /** |
Tao Bao | 5065e12 | 2015-08-18 12:37:02 -0700 | [diff] [blame] | 993 | * Internally, delete a given file or directory recursively. |
| 994 | */ |
| 995 | private static void recursiveDelete(File name) { |
| 996 | if (name.isDirectory()) { |
| 997 | String[] files = name.list(); |
| 998 | for (int i = 0; files != null && i < files.length; i++) { |
| 999 | File f = new File(name, files[i]); |
| 1000 | recursiveDelete(f); |
| 1001 | } |
| 1002 | } |
| 1003 | |
| 1004 | if (!name.delete()) { |
| 1005 | Log.e(TAG, "Can't delete: " + name); |
| 1006 | } else { |
| 1007 | Log.i(TAG, "Deleted: " + name); |
| 1008 | } |
| 1009 | } |
| 1010 | |
| 1011 | /** |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 1012 | * Talks to RecoverySystemService via Binder to trigger uncrypt. |
| 1013 | */ |
| 1014 | private boolean uncrypt(String packageFile, IRecoverySystemProgressListener listener) { |
| 1015 | try { |
| 1016 | return mService.uncrypt(packageFile, listener); |
| 1017 | } catch (RemoteException unused) { |
| 1018 | } |
| 1019 | return false; |
| 1020 | } |
| 1021 | |
| 1022 | /** |
| 1023 | * Talks to RecoverySystemService via Binder to set up the BCB. |
| 1024 | */ |
| 1025 | private boolean setupBcb(String command) { |
| 1026 | try { |
| 1027 | return mService.setupBcb(command); |
| 1028 | } catch (RemoteException unused) { |
| 1029 | } |
| 1030 | return false; |
| 1031 | } |
| 1032 | |
| 1033 | /** |
| 1034 | * Talks to RecoverySystemService via Binder to clear up the BCB. |
| 1035 | */ |
| 1036 | private boolean clearBcb() { |
| 1037 | try { |
| 1038 | return mService.clearBcb(); |
| 1039 | } catch (RemoteException unused) { |
| 1040 | } |
| 1041 | return false; |
| 1042 | } |
| 1043 | |
| 1044 | /** |
Tao Bao | 794c8b0 | 2016-09-27 11:15:42 -0700 | [diff] [blame] | 1045 | * Talks to RecoverySystemService via Binder to set up the BCB command and |
| 1046 | * reboot into recovery accordingly. |
| 1047 | */ |
Tao Bao | cc76991 | 2017-01-17 12:42:43 -0800 | [diff] [blame] | 1048 | private void rebootRecoveryWithCommand(String command) { |
Tao Bao | 794c8b0 | 2016-09-27 11:15:42 -0700 | [diff] [blame] | 1049 | try { |
Tao Bao | cc76991 | 2017-01-17 12:42:43 -0800 | [diff] [blame] | 1050 | mService.rebootRecoveryWithCommand(command); |
Tao Bao | 794c8b0 | 2016-09-27 11:15:42 -0700 | [diff] [blame] | 1051 | } catch (RemoteException ignored) { |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | /** |
Jeff Sharkey | 004a4b2 | 2014-09-24 11:45:24 -0700 | [diff] [blame] | 1056 | * Internally, recovery treats each line of the command file as a separate |
| 1057 | * argv, so we only need to protect against newlines and nulls. |
| 1058 | */ |
| 1059 | private static String sanitizeArg(String arg) { |
| 1060 | arg = arg.replace('\0', '?'); |
| 1061 | arg = arg.replace('\n', '?'); |
| 1062 | return arg; |
| 1063 | } |
| 1064 | |
Andreas Gampe | 70e21e6 | 2015-03-18 16:13:33 -0700 | [diff] [blame] | 1065 | |
| 1066 | /** |
| 1067 | * @removed Was previously made visible by accident. |
| 1068 | */ |
Tao Bao | e8a403d | 2015-12-31 07:44:55 -0800 | [diff] [blame] | 1069 | public RecoverySystem() { |
| 1070 | mService = null; |
| 1071 | } |
| 1072 | |
| 1073 | /** |
| 1074 | * @hide |
| 1075 | */ |
| 1076 | public RecoverySystem(IRecoverySystem service) { |
| 1077 | mService = service; |
| 1078 | } |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 1079 | } |