Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 com.android.keychain; |
| 18 | |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 19 | import static android.app.admin.SecurityLog.TAG_CERT_AUTHORITY_INSTALLED; |
| 20 | import static android.app.admin.SecurityLog.TAG_CERT_AUTHORITY_REMOVED; |
| 21 | |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 22 | import android.app.BroadcastOptions; |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 23 | import android.app.IntentService; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 24 | import android.app.admin.SecurityLog; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 25 | import android.content.Context; |
| 26 | import android.content.Intent; |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 27 | import android.content.pm.PackageManager; |
Robin Lee | 7e9d045 | 2017-02-20 20:57:41 +0000 | [diff] [blame] | 28 | import android.content.pm.StringParceledListSlice; |
Kenny Root | 6f1f03b | 2012-03-08 10:30:39 -0800 | [diff] [blame] | 29 | import android.os.Binder; |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 30 | import android.os.Build; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 31 | import android.os.IBinder; |
Robin Lee | 93772c3 | 2014-09-02 14:53:50 +0100 | [diff] [blame] | 32 | import android.os.UserHandle; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 33 | import android.security.Credentials; |
| 34 | import android.security.IKeyChainService; |
Selim Gurun | 39e36e5 | 2012-02-14 10:50:42 -0800 | [diff] [blame] | 35 | import android.security.KeyChain; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 36 | import android.security.KeyStore; |
Eran Messeri | 50ebe3f | 2017-12-11 16:58:33 +0000 | [diff] [blame] | 37 | import android.security.keymaster.KeymasterArguments; |
| 38 | import android.security.keymaster.KeymasterCertificateChain; |
Eran Messeri | 241450c | 2017-12-21 20:58:41 +0000 | [diff] [blame] | 39 | import android.security.keystore.AttestationUtils; |
| 40 | import android.security.keystore.DeviceIdAttestationException; |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 41 | import android.security.keystore.KeyGenParameterSpec; |
| 42 | import android.security.keystore.ParcelableKeyGenParameterSpec; |
| 43 | import android.text.TextUtils; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 44 | import android.util.Log; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 45 | |
| 46 | import com.android.internal.annotations.VisibleForTesting; |
Eran Messeri | 5844b63 | 2017-11-03 10:28:34 +0000 | [diff] [blame] | 47 | import com.android.keychain.internal.GrantsDatabase; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 48 | import com.android.org.conscrypt.TrustedCertificateStore; |
| 49 | |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 50 | import java.io.ByteArrayInputStream; |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 51 | import java.io.IOException; |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 52 | import java.security.InvalidAlgorithmParameterException; |
| 53 | import java.security.KeyPair; |
| 54 | import java.security.KeyPairGenerator; |
| 55 | import java.security.NoSuchAlgorithmException; |
| 56 | import java.security.NoSuchProviderException; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 57 | import java.security.cert.Certificate; |
Zoltan Szatmary-Ban | 3d25b31 | 2014-08-18 10:54:19 +0100 | [diff] [blame] | 58 | import java.security.cert.CertificateEncodingException; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 59 | import java.security.cert.CertificateException; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 60 | import java.security.cert.CertificateFactory; |
| 61 | import java.security.cert.X509Certificate; |
Zoltan Szatmary-Ban | 3d25b31 | 2014-08-18 10:54:19 +0100 | [diff] [blame] | 62 | import java.util.ArrayList; |
| 63 | import java.util.Collections; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 64 | import java.util.List; |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 65 | |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 66 | import javax.security.auth.x500.X500Principal; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 67 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 68 | public class KeyChainService extends IntentService { |
Selim Gurun | 39e36e5 | 2012-02-14 10:50:42 -0800 | [diff] [blame] | 69 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 70 | private static final String TAG = "KeyChain"; |
Pavel Grafov | 8b7af34 | 2018-02-01 18:48:24 +0000 | [diff] [blame] | 71 | private static final String CERT_INSTALLER_PACKAGE = "com.android.certinstaller"; |
| 72 | private static final String SYSTEM_PACKAGE = "android.uid.system:1000"; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 73 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 74 | /** created in onCreate(), closed in onDestroy() */ |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 75 | private GrantsDatabase mGrantsDb; |
| 76 | private Injector mInjector; |
Robin Lee | ba755b1 | 2016-02-24 15:27:43 +0000 | [diff] [blame] | 77 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 78 | public KeyChainService() { |
| 79 | super(KeyChainService.class.getSimpleName()); |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 80 | mInjector = new Injector(); |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 81 | } |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 82 | |
| 83 | @Override public void onCreate() { |
| 84 | super.onCreate(); |
Eran Messeri | 5844b63 | 2017-11-03 10:28:34 +0000 | [diff] [blame] | 85 | mGrantsDb = new GrantsDatabase(this); |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public void onDestroy() { |
| 90 | super.onDestroy(); |
Eran Messeri | 5844b63 | 2017-11-03 10:28:34 +0000 | [diff] [blame] | 91 | mGrantsDb.destroy(); |
| 92 | mGrantsDb = null; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | private final IKeyChainService.Stub mIKeyChainService = new IKeyChainService.Stub() { |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 96 | private final KeyStore mKeyStore = KeyStore.getInstance(); |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 97 | private final TrustedCertificateStore mTrustedCertificateStore |
| 98 | = new TrustedCertificateStore(); |
Eran Messeri | 241450c | 2017-12-21 20:58:41 +0000 | [diff] [blame] | 99 | private final Context mContext = KeyChainService.this; |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 100 | |
Kenny Root | 6f1f03b | 2012-03-08 10:30:39 -0800 | [diff] [blame] | 101 | @Override |
| 102 | public String requestPrivateKey(String alias) { |
| 103 | checkArgs(alias); |
| 104 | |
| 105 | final String keystoreAlias = Credentials.USER_PRIVATE_KEY + alias; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 106 | final int uid = mInjector.getCallingUid(); |
Janis Danisevskis | c394aea | 2017-06-07 10:20:45 -0700 | [diff] [blame] | 107 | return mKeyStore.grant(keystoreAlias, uid); |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 108 | } |
| 109 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 110 | @Override public byte[] getCertificate(String alias) { |
Kenny Root | 6f1f03b | 2012-03-08 10:30:39 -0800 | [diff] [blame] | 111 | checkArgs(alias); |
| 112 | return mKeyStore.get(Credentials.USER_CERTIFICATE + alias); |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 113 | } |
| 114 | |
Rubin Xu | 8714f06 | 2016-03-23 12:37:10 +0000 | [diff] [blame] | 115 | @Override public byte[] getCaCertificates(String alias) { |
| 116 | checkArgs(alias); |
| 117 | return mKeyStore.get(Credentials.CA_CERTIFICATE + alias); |
| 118 | } |
| 119 | |
Eran Messeri | 1223b5f | 2017-11-08 18:47:40 +0000 | [diff] [blame] | 120 | @Override public boolean isUserSelectable(String alias) { |
| 121 | validateAlias(alias); |
| 122 | return mGrantsDb.isUserSelectable(alias); |
| 123 | } |
| 124 | |
| 125 | @Override public void setUserSelectable(String alias, boolean isUserSelectable) { |
| 126 | validateAlias(alias); |
| 127 | checkSystemCaller(); |
| 128 | mGrantsDb.setIsUserSelectable(alias, isUserSelectable); |
| 129 | } |
| 130 | |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 131 | @Override public int generateKeyPair( |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 132 | String algorithm, ParcelableKeyGenParameterSpec parcelableSpec) { |
| 133 | checkSystemCaller(); |
| 134 | final KeyGenParameterSpec spec = parcelableSpec.getSpec(); |
| 135 | final String alias = spec.getKeystoreAlias(); |
| 136 | // Validate the alias here to avoid relying on KeyGenParameterSpec c'tor preventing |
| 137 | // the creation of a KeyGenParameterSpec instance with a non-empty alias. |
| 138 | if (TextUtils.isEmpty(alias) || spec.getUid() != KeyStore.UID_SELF) { |
| 139 | Log.e(TAG, "Cannot generate key pair with empty alias or specified uid."); |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 140 | return KeyChain.KEY_GEN_MISSING_ALIAS; |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 141 | } |
| 142 | |
Eran Messeri | 50ebe3f | 2017-12-11 16:58:33 +0000 | [diff] [blame] | 143 | if (spec.getAttestationChallenge() != null) { |
| 144 | Log.e(TAG, "Key generation request should not include an Attestation challenge."); |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 145 | return KeyChain.KEY_GEN_SUPERFLUOUS_ATTESTATION_CHALLENGE; |
Eran Messeri | 50ebe3f | 2017-12-11 16:58:33 +0000 | [diff] [blame] | 146 | } |
| 147 | |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 148 | try { |
| 149 | KeyPairGenerator generator = KeyPairGenerator.getInstance( |
| 150 | algorithm, "AndroidKeyStore"); |
| 151 | // Do not prepend USER_PRIVATE_KEY to the alias because |
| 152 | // AndroidKeyStoreKeyPairGeneratorSpi will helpfully prepend that in |
| 153 | // generateKeyPair. |
| 154 | generator.initialize(spec); |
| 155 | KeyPair kp = generator.generateKeyPair(); |
| 156 | if (kp == null) { |
| 157 | Log.e(TAG, "Key generation failed."); |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 158 | return KeyChain.KEY_GEN_FAILURE; |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 159 | } |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 160 | return KeyChain.KEY_GEN_SUCCESS; |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 161 | } catch (NoSuchAlgorithmException e) { |
| 162 | Log.e(TAG, "Invalid algorithm requested", e); |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 163 | return KeyChain.KEY_GEN_NO_SUCH_ALGORITHM; |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 164 | } catch (InvalidAlgorithmParameterException e) { |
| 165 | Log.e(TAG, "Invalid algorithm params", e); |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 166 | return KeyChain.KEY_GEN_INVALID_ALGORITHM_PARAMETERS; |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 167 | } catch (NoSuchProviderException e) { |
| 168 | Log.e(TAG, "Could not find Keystore.", e); |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 169 | return KeyChain.KEY_GEN_NO_KEYSTORE_PROVIDER; |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 170 | } |
Eran Messeri | 6d46927 | 2017-11-15 05:55:28 +0000 | [diff] [blame] | 171 | } |
| 172 | |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 173 | @Override public int attestKey( |
Eran Messeri | 50ebe3f | 2017-12-11 16:58:33 +0000 | [diff] [blame] | 174 | String alias, byte[] attestationChallenge, |
Eran Messeri | 241450c | 2017-12-21 20:58:41 +0000 | [diff] [blame] | 175 | int[] idAttestationFlags, |
Eran Messeri | 50ebe3f | 2017-12-11 16:58:33 +0000 | [diff] [blame] | 176 | KeymasterCertificateChain attestationChain) { |
| 177 | checkSystemCaller(); |
| 178 | validateAlias(alias); |
| 179 | |
| 180 | if (attestationChallenge == null) { |
| 181 | Log.e(TAG, String.format("Missing attestation challenge for alias %s", alias)); |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 182 | return KeyChain.KEY_ATTESTATION_MISSING_CHALLENGE; |
Eran Messeri | 50ebe3f | 2017-12-11 16:58:33 +0000 | [diff] [blame] | 183 | } |
| 184 | |
Eran Messeri | 241450c | 2017-12-21 20:58:41 +0000 | [diff] [blame] | 185 | final KeymasterArguments attestArgs; |
| 186 | try { |
| 187 | attestArgs = AttestationUtils.prepareAttestationArguments( |
| 188 | mContext, idAttestationFlags, attestationChallenge); |
| 189 | } catch (DeviceIdAttestationException e) { |
| 190 | Log.e(TAG, "Failed collecting attestation data", e); |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 191 | return KeyChain.KEY_ATTESTATION_CANNOT_COLLECT_DATA; |
Eran Messeri | 241450c | 2017-12-21 20:58:41 +0000 | [diff] [blame] | 192 | } |
Eran Messeri | 50ebe3f | 2017-12-11 16:58:33 +0000 | [diff] [blame] | 193 | final String keystoreAlias = Credentials.USER_PRIVATE_KEY + alias; |
| 194 | final int errorCode = mKeyStore.attestKey(keystoreAlias, attestArgs, attestationChain); |
Eran Messeri | a512514 | 2018-03-26 16:43:07 +0100 | [diff] [blame^] | 195 | if (errorCode != KeyStore.NO_ERROR) { |
| 196 | Log.e(TAG, String.format("Failure attesting for key %s: %d", alias, errorCode)); |
| 197 | if (errorCode == KeyStore.CANNOT_ATTEST_IDS) { |
| 198 | return KeyChain.KEY_ATTESTATION_CANNOT_ATTEST_IDS; |
| 199 | } else { |
| 200 | // General failure, cannot discern which. |
| 201 | return KeyChain.KEY_ATTESTATION_FAILURE; |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | return KeyChain.KEY_ATTESTATION_SUCCESS; |
Eran Messeri | 50ebe3f | 2017-12-11 16:58:33 +0000 | [diff] [blame] | 206 | } |
| 207 | |
Eran Messeri | 4b18d65 | 2017-12-11 12:32:25 +0000 | [diff] [blame] | 208 | @Override public boolean setKeyPairCertificate(String alias, byte[] userCertificate, |
| 209 | byte[] userCertificateChain) { |
| 210 | checkSystemCaller(); |
| 211 | if (!mKeyStore.isUnlocked()) { |
| 212 | Log.e(TAG, "Keystore is " + mKeyStore.state().toString() + ". Credentials cannot" |
| 213 | + " be installed until device is unlocked"); |
| 214 | return false; |
| 215 | } |
| 216 | |
| 217 | if (!mKeyStore.put(Credentials.USER_CERTIFICATE + alias, userCertificate, |
| 218 | KeyStore.UID_SELF, KeyStore.FLAG_NONE)) { |
| 219 | Log.e(TAG, "Failed to import user certificate " + userCertificate); |
| 220 | return false; |
| 221 | } |
| 222 | |
| 223 | if (userCertificateChain != null && userCertificateChain.length > 0) { |
| 224 | if (!mKeyStore.put(Credentials.CA_CERTIFICATE + alias, userCertificateChain, |
| 225 | KeyStore.UID_SELF, KeyStore.FLAG_NONE)) { |
| 226 | Log.e(TAG, "Failed to import certificate chain" + userCertificateChain); |
| 227 | if (!mKeyStore.delete(Credentials.USER_CERTIFICATE + alias)) { |
| 228 | Log.e(TAG, "Failed to clean up key chain after certificate chain" |
| 229 | + " importing failed"); |
| 230 | } |
| 231 | return false; |
| 232 | } |
| 233 | } else { |
| 234 | if (!mKeyStore.delete(Credentials.CA_CERTIFICATE + alias)) { |
| 235 | Log.e(TAG, "Failed to remove CA certificate chain for alias " + alias); |
| 236 | } |
| 237 | } |
| 238 | broadcastKeychainChange(); |
| 239 | broadcastLegacyStorageChange(); |
| 240 | return true; |
| 241 | } |
| 242 | |
Eran Messeri | 1223b5f | 2017-11-08 18:47:40 +0000 | [diff] [blame] | 243 | private void validateAlias(String alias) { |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 244 | if (alias == null) { |
| 245 | throw new NullPointerException("alias == null"); |
| 246 | } |
Eran Messeri | 1223b5f | 2017-11-08 18:47:40 +0000 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | private void validateKeyStoreState() { |
Kenny Root | 4ff2296 | 2013-02-14 10:17:06 -0800 | [diff] [blame] | 250 | if (!mKeyStore.isUnlocked()) { |
Nick Kralevich | c8b0463 | 2012-05-21 15:13:07 -0700 | [diff] [blame] | 251 | throw new IllegalStateException("keystore is " |
| 252 | + mKeyStore.state().toString()); |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 253 | } |
Eran Messeri | 1223b5f | 2017-11-08 18:47:40 +0000 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | private void checkArgs(String alias) { |
| 257 | validateAlias(alias); |
| 258 | validateKeyStoreState(); |
Nick Kralevich | c8b0463 | 2012-05-21 15:13:07 -0700 | [diff] [blame] | 259 | |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 260 | final int callingUid = mInjector.getCallingUid(); |
Eran Messeri | 5844b63 | 2017-11-03 10:28:34 +0000 | [diff] [blame] | 261 | if (!mGrantsDb.hasGrant(callingUid, alias)) { |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 262 | throw new IllegalStateException("uid " + callingUid |
| 263 | + " doesn't have permission to access the requested alias"); |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 264 | } |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 265 | } |
| 266 | |
Bartosz Fabianowski | 9bacf2b | 2017-02-10 02:26:45 +0100 | [diff] [blame] | 267 | @Override public String installCaCertificate(byte[] caCertificate) { |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 268 | checkCertInstallerOrSystemCaller(); |
Bartosz Fabianowski | 9bacf2b | 2017-02-10 02:26:45 +0100 | [diff] [blame] | 269 | final String alias; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 270 | String subjectForAudit = null; |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 271 | try { |
Bartosz Fabianowski | 9bacf2b | 2017-02-10 02:26:45 +0100 | [diff] [blame] | 272 | final X509Certificate cert = parseCertificate(caCertificate); |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 273 | if (mInjector.isSecurityLoggingEnabled()) { |
| 274 | subjectForAudit = |
| 275 | cert.getSubjectX500Principal().getName(X500Principal.CANONICAL); |
| 276 | } |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 277 | synchronized (mTrustedCertificateStore) { |
Bartosz Fabianowski | 9bacf2b | 2017-02-10 02:26:45 +0100 | [diff] [blame] | 278 | mTrustedCertificateStore.installCertificate(cert); |
| 279 | alias = mTrustedCertificateStore.getCertificateAlias(cert); |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 280 | } |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 281 | } catch (IOException | CertificateException e) { |
| 282 | if (subjectForAudit != null) { |
| 283 | mInjector.writeSecurityEvent( |
| 284 | TAG_CERT_AUTHORITY_INSTALLED, 0 /*result*/, subjectForAudit); |
| 285 | } |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 286 | throw new IllegalStateException(e); |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 287 | } |
| 288 | if (subjectForAudit != null) { |
| 289 | mInjector.writeSecurityEvent( |
| 290 | TAG_CERT_AUTHORITY_INSTALLED, 1 /*result*/, subjectForAudit); |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 291 | } |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 292 | broadcastLegacyStorageChange(); |
| 293 | broadcastTrustStoreChange(); |
Bartosz Fabianowski | 9bacf2b | 2017-02-10 02:26:45 +0100 | [diff] [blame] | 294 | return alias; |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 295 | } |
Brian Carlstrom | 5aeadd9 | 2011-05-17 00:40:33 -0700 | [diff] [blame] | 296 | |
Rubin Xu | 8714f06 | 2016-03-23 12:37:10 +0000 | [diff] [blame] | 297 | /** |
| 298 | * Install a key pair to the keystore. |
| 299 | * |
| 300 | * @param privateKey The private key associated with the client certificate |
| 301 | * @param userCertificate The client certificate to be installed |
| 302 | * @param userCertificateChain The rest of the chain for the client certificate |
| 303 | * @param alias The alias under which the key pair is installed |
| 304 | * @return Whether the operation succeeded or not. |
| 305 | */ |
Bernhard Bauer | d300fc5 | 2014-07-21 15:32:30 +0100 | [diff] [blame] | 306 | @Override public boolean installKeyPair(byte[] privateKey, byte[] userCertificate, |
Rubin Xu | 8714f06 | 2016-03-23 12:37:10 +0000 | [diff] [blame] | 307 | byte[] userCertificateChain, String alias) { |
Bernhard Bauer | d300fc5 | 2014-07-21 15:32:30 +0100 | [diff] [blame] | 308 | checkCertInstallerOrSystemCaller(); |
Robin Lee | 8847b12 | 2015-07-27 12:50:28 +0100 | [diff] [blame] | 309 | if (!mKeyStore.isUnlocked()) { |
| 310 | Log.e(TAG, "Keystore is " + mKeyStore.state().toString() + ". Credentials cannot" |
| 311 | + " be installed until device is unlocked"); |
| 312 | return false; |
| 313 | } |
Robin Lee | ba755b1 | 2016-02-24 15:27:43 +0000 | [diff] [blame] | 314 | if (!removeKeyPair(alias)) { |
| 315 | return false; |
| 316 | } |
Bernhard Bauer | d300fc5 | 2014-07-21 15:32:30 +0100 | [diff] [blame] | 317 | if (!mKeyStore.importKey(Credentials.USER_PRIVATE_KEY + alias, privateKey, -1, |
| 318 | KeyStore.FLAG_ENCRYPTED)) { |
| 319 | Log.e(TAG, "Failed to import private key " + alias); |
| 320 | return false; |
| 321 | } |
| 322 | if (!mKeyStore.put(Credentials.USER_CERTIFICATE + alias, userCertificate, -1, |
| 323 | KeyStore.FLAG_ENCRYPTED)) { |
| 324 | Log.e(TAG, "Failed to import user certificate " + userCertificate); |
Alex Klyubin | 44c777b | 2015-06-08 09:46:15 -0700 | [diff] [blame] | 325 | if (!mKeyStore.delete(Credentials.USER_PRIVATE_KEY + alias)) { |
Bernhard Bauer | d300fc5 | 2014-07-21 15:32:30 +0100 | [diff] [blame] | 326 | Log.e(TAG, "Failed to delete private key after certificate importing failed"); |
| 327 | } |
| 328 | return false; |
| 329 | } |
Rubin Xu | 8714f06 | 2016-03-23 12:37:10 +0000 | [diff] [blame] | 330 | if (userCertificateChain != null && userCertificateChain.length > 0) { |
| 331 | if (!mKeyStore.put(Credentials.CA_CERTIFICATE + alias, userCertificateChain, -1, |
| 332 | KeyStore.FLAG_ENCRYPTED)) { |
| 333 | Log.e(TAG, "Failed to import certificate chain" + userCertificateChain); |
| 334 | if (!removeKeyPair(alias)) { |
| 335 | Log.e(TAG, "Failed to clean up key chain after certificate chain" |
| 336 | + " importing failed"); |
| 337 | } |
| 338 | return false; |
| 339 | } |
| 340 | } |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 341 | broadcastKeychainChange(); |
| 342 | broadcastLegacyStorageChange(); |
Bernhard Bauer | d300fc5 | 2014-07-21 15:32:30 +0100 | [diff] [blame] | 343 | return true; |
| 344 | } |
| 345 | |
Robin Lee | f44a519 | 2015-08-03 17:18:02 +0100 | [diff] [blame] | 346 | @Override public boolean removeKeyPair(String alias) { |
| 347 | checkCertInstallerOrSystemCaller(); |
Robin Lee | ba755b1 | 2016-02-24 15:27:43 +0000 | [diff] [blame] | 348 | if (!Credentials.deleteAllTypesForAlias(mKeyStore, alias)) { |
| 349 | return false; |
| 350 | } |
Eran Messeri | d0bcac8 | 2017-11-20 11:55:31 +0000 | [diff] [blame] | 351 | mGrantsDb.removeAliasInformation(alias); |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 352 | broadcastKeychainChange(); |
| 353 | broadcastLegacyStorageChange(); |
Robin Lee | ba755b1 | 2016-02-24 15:27:43 +0000 | [diff] [blame] | 354 | return true; |
Robin Lee | f44a519 | 2015-08-03 17:18:02 +0100 | [diff] [blame] | 355 | } |
| 356 | |
Brian Carlstrom | 5aeadd9 | 2011-05-17 00:40:33 -0700 | [diff] [blame] | 357 | private X509Certificate parseCertificate(byte[] bytes) throws CertificateException { |
| 358 | CertificateFactory cf = CertificateFactory.getInstance("X.509"); |
| 359 | return (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(bytes)); |
| 360 | } |
| 361 | |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 362 | @Override public boolean reset() { |
| 363 | // only Settings should be able to reset |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 364 | checkSystemCaller(); |
Eran Messeri | d0bcac8 | 2017-11-20 11:55:31 +0000 | [diff] [blame] | 365 | mGrantsDb.removeAllAliasesInformation(); |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 366 | boolean ok = true; |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 367 | synchronized (mTrustedCertificateStore) { |
| 368 | // delete user-installed CA certs |
| 369 | for (String alias : mTrustedCertificateStore.aliases()) { |
| 370 | if (TrustedCertificateStore.isUser(alias)) { |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 371 | if (!deleteCertificateEntry(alias)) { |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 372 | ok = false; |
| 373 | } |
| 374 | } |
| 375 | } |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 376 | } |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 377 | broadcastTrustStoreChange(); |
Chad Brubaker | 8df30b5 | 2017-03-10 13:02:48 -0800 | [diff] [blame] | 378 | broadcastKeychainChange(); |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 379 | broadcastLegacyStorageChange(); |
Selim Gurun | 39e36e5 | 2012-02-14 10:50:42 -0800 | [diff] [blame] | 380 | return ok; |
Brian Carlstrom | a58db54 | 2011-05-11 23:02:20 -0700 | [diff] [blame] | 381 | } |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 382 | |
| 383 | @Override public boolean deleteCaCertificate(String alias) { |
| 384 | // only Settings should be able to delete |
| 385 | checkSystemCaller(); |
Selim Gurun | 39e36e5 | 2012-02-14 10:50:42 -0800 | [diff] [blame] | 386 | boolean ok = true; |
| 387 | synchronized (mTrustedCertificateStore) { |
| 388 | ok = deleteCertificateEntry(alias); |
| 389 | } |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 390 | broadcastTrustStoreChange(); |
| 391 | broadcastLegacyStorageChange(); |
Selim Gurun | 39e36e5 | 2012-02-14 10:50:42 -0800 | [diff] [blame] | 392 | return ok; |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | private boolean deleteCertificateEntry(String alias) { |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 396 | String subjectForAudit = null; |
| 397 | if (mInjector.isSecurityLoggingEnabled()) { |
| 398 | final Certificate cert = mTrustedCertificateStore.getCertificate(alias); |
| 399 | if (cert instanceof X509Certificate) { |
| 400 | subjectForAudit = ((X509Certificate) cert) |
| 401 | .getSubjectX500Principal().getName(X500Principal.CANONICAL); |
| 402 | } |
| 403 | } |
| 404 | |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 405 | try { |
| 406 | mTrustedCertificateStore.deleteCertificateEntry(alias); |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 407 | if (subjectForAudit != null) { |
| 408 | mInjector.writeSecurityEvent( |
| 409 | TAG_CERT_AUTHORITY_REMOVED, 1 /*result*/, subjectForAudit); |
| 410 | } |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 411 | return true; |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 412 | } catch (IOException | CertificateException e) { |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 413 | Log.w(TAG, "Problem removing CA certificate " + alias, e); |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 414 | if (subjectForAudit != null) { |
| 415 | mInjector.writeSecurityEvent( |
| 416 | TAG_CERT_AUTHORITY_REMOVED, 0 /*result*/, subjectForAudit); |
| 417 | } |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 418 | return false; |
| 419 | } |
| 420 | } |
| 421 | |
| 422 | private void checkCertInstallerOrSystemCaller() { |
Pavel Grafov | 8b7af34 | 2018-02-01 18:48:24 +0000 | [diff] [blame] | 423 | final String caller = callingPackage(); |
| 424 | if (!SYSTEM_PACKAGE.equals(caller) && !CERT_INSTALLER_PACKAGE.equals(caller)) { |
| 425 | throw new SecurityException("Not system or cert installer package: " + caller); |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 426 | } |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 427 | } |
Pavel Grafov | 8b7af34 | 2018-02-01 18:48:24 +0000 | [diff] [blame] | 428 | |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 429 | private void checkSystemCaller() { |
Pavel Grafov | 8b7af34 | 2018-02-01 18:48:24 +0000 | [diff] [blame] | 430 | final String caller = callingPackage(); |
| 431 | if (!SYSTEM_PACKAGE.equals(caller)) { |
| 432 | throw new SecurityException("Not system package: " + caller); |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 433 | } |
| 434 | } |
Pavel Grafov | 8b7af34 | 2018-02-01 18:48:24 +0000 | [diff] [blame] | 435 | |
| 436 | private String callingPackage() { |
| 437 | return getPackageManager().getNameForUid(mInjector.getCallingUid()); |
Brian Carlstrom | 43f5b77 | 2011-06-27 02:27:16 -0700 | [diff] [blame] | 438 | } |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 439 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 440 | @Override public boolean hasGrant(int uid, String alias) { |
| 441 | checkSystemCaller(); |
Eran Messeri | 5844b63 | 2017-11-03 10:28:34 +0000 | [diff] [blame] | 442 | return mGrantsDb.hasGrant(uid, alias); |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 443 | } |
| 444 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 445 | @Override public void setGrant(int uid, String alias, boolean value) { |
| 446 | checkSystemCaller(); |
Eran Messeri | 5844b63 | 2017-11-03 10:28:34 +0000 | [diff] [blame] | 447 | mGrantsDb.setGrant(uid, alias, value); |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 448 | broadcastPermissionChange(uid, alias, value); |
| 449 | broadcastLegacyStorageChange(); |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 450 | } |
Zoltan Szatmary-Ban | 3d25b31 | 2014-08-18 10:54:19 +0100 | [diff] [blame] | 451 | |
Zoltan Szatmary-Ban | 3d25b31 | 2014-08-18 10:54:19 +0100 | [diff] [blame] | 452 | @Override |
Robin Lee | 7e9d045 | 2017-02-20 20:57:41 +0000 | [diff] [blame] | 453 | public StringParceledListSlice getUserCaAliases() { |
Zoltan Szatmary-Ban | 3d25b31 | 2014-08-18 10:54:19 +0100 | [diff] [blame] | 454 | synchronized (mTrustedCertificateStore) { |
Robin Lee | 7e9d045 | 2017-02-20 20:57:41 +0000 | [diff] [blame] | 455 | return new StringParceledListSlice(new ArrayList<String>( |
| 456 | mTrustedCertificateStore.userAliases())); |
Zoltan Szatmary-Ban | 3d25b31 | 2014-08-18 10:54:19 +0100 | [diff] [blame] | 457 | } |
| 458 | } |
| 459 | |
| 460 | @Override |
Robin Lee | 7e9d045 | 2017-02-20 20:57:41 +0000 | [diff] [blame] | 461 | public StringParceledListSlice getSystemCaAliases() { |
Zoltan Szatmary-Ban | 3d25b31 | 2014-08-18 10:54:19 +0100 | [diff] [blame] | 462 | synchronized (mTrustedCertificateStore) { |
Robin Lee | 7e9d045 | 2017-02-20 20:57:41 +0000 | [diff] [blame] | 463 | return new StringParceledListSlice(new ArrayList<String>( |
| 464 | mTrustedCertificateStore.allSystemAliases())); |
Zoltan Szatmary-Ban | 3d25b31 | 2014-08-18 10:54:19 +0100 | [diff] [blame] | 465 | } |
| 466 | } |
| 467 | |
| 468 | @Override |
| 469 | public boolean containsCaAlias(String alias) { |
| 470 | return mTrustedCertificateStore.containsAlias(alias); |
| 471 | } |
| 472 | |
| 473 | @Override |
| 474 | public byte[] getEncodedCaCertificate(String alias, boolean includeDeletedSystem) { |
| 475 | synchronized (mTrustedCertificateStore) { |
| 476 | X509Certificate certificate = (X509Certificate) mTrustedCertificateStore |
| 477 | .getCertificate(alias, includeDeletedSystem); |
| 478 | if (certificate == null) { |
| 479 | Log.w(TAG, "Could not find CA certificate " + alias); |
| 480 | return null; |
| 481 | } |
| 482 | try { |
| 483 | return certificate.getEncoded(); |
| 484 | } catch (CertificateEncodingException e) { |
| 485 | Log.w(TAG, "Error while encoding CA certificate " + alias); |
| 486 | return null; |
| 487 | } |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | @Override |
| 492 | public List<String> getCaCertificateChainAliases(String rootAlias, |
| 493 | boolean includeDeletedSystem) { |
| 494 | synchronized (mTrustedCertificateStore) { |
| 495 | X509Certificate root = (X509Certificate) mTrustedCertificateStore.getCertificate( |
| 496 | rootAlias, includeDeletedSystem); |
| 497 | try { |
| 498 | List<X509Certificate> chain = mTrustedCertificateStore.getCertificateChain( |
| 499 | root); |
| 500 | List<String> aliases = new ArrayList<String>(chain.size()); |
| 501 | final int n = chain.size(); |
| 502 | for (int i = 0; i < n; ++i) { |
| 503 | String alias = mTrustedCertificateStore.getCertificateAlias(chain.get(i), |
| 504 | true); |
| 505 | if (alias != null) { |
| 506 | aliases.add(alias); |
| 507 | } |
| 508 | } |
| 509 | return aliases; |
| 510 | } catch (CertificateException e) { |
| 511 | Log.w(TAG, "Error retrieving cert chain for root " + rootAlias); |
| 512 | return Collections.emptyList(); |
| 513 | } |
| 514 | } |
| 515 | } |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 516 | }; |
| 517 | |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 518 | @Override public IBinder onBind(Intent intent) { |
Brian Carlstrom | 7037b73 | 2011-06-30 15:04:49 -0700 | [diff] [blame] | 519 | if (IKeyChainService.class.getName().equals(intent.getAction())) { |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 520 | return mIKeyChainService; |
| 521 | } |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 522 | return null; |
| 523 | } |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 524 | |
| 525 | @Override |
| 526 | protected void onHandleIntent(final Intent intent) { |
| 527 | if (Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction())) { |
Eran Messeri | 5844b63 | 2017-11-03 10:28:34 +0000 | [diff] [blame] | 528 | mGrantsDb.purgeOldGrants(getPackageManager()); |
Fred Quintana | fb2e18e | 2011-07-13 14:54:05 -0700 | [diff] [blame] | 529 | } |
| 530 | } |
Selim Gurun | 39e36e5 | 2012-02-14 10:50:42 -0800 | [diff] [blame] | 531 | |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 532 | private void broadcastLegacyStorageChange() { |
Selim Gurun | 39e36e5 | 2012-02-14 10:50:42 -0800 | [diff] [blame] | 533 | Intent intent = new Intent(KeyChain.ACTION_STORAGE_CHANGED); |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 534 | BroadcastOptions opts = BroadcastOptions.makeBasic(); |
Chad Brubaker | 0402807 | 2016-07-08 10:48:54 -0700 | [diff] [blame] | 535 | opts.setMaxManifestReceiverApiLevel(Build.VERSION_CODES.N_MR1); |
Chad Brubaker | e5a5dd1 | 2016-07-25 14:34:54 -0700 | [diff] [blame] | 536 | sendBroadcastAsUser(intent, UserHandle.of(UserHandle.myUserId()), null, opts.toBundle()); |
Selim Gurun | 39e36e5 | 2012-02-14 10:50:42 -0800 | [diff] [blame] | 537 | } |
| 538 | |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 539 | private void broadcastKeychainChange() { |
| 540 | Intent intent = new Intent(KeyChain.ACTION_KEYCHAIN_CHANGED); |
Chad Brubaker | e5a5dd1 | 2016-07-25 14:34:54 -0700 | [diff] [blame] | 541 | sendBroadcastAsUser(intent, UserHandle.of(UserHandle.myUserId())); |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | private void broadcastTrustStoreChange() { |
| 545 | Intent intent = new Intent(KeyChain.ACTION_TRUST_STORE_CHANGED); |
Chad Brubaker | e5a5dd1 | 2016-07-25 14:34:54 -0700 | [diff] [blame] | 546 | sendBroadcastAsUser(intent, UserHandle.of(UserHandle.myUserId())); |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 547 | } |
| 548 | |
| 549 | private void broadcastPermissionChange(int uid, String alias, boolean access) { |
| 550 | // Since the permission change only impacts one uid only send to that uid's packages. |
| 551 | final PackageManager packageManager = getPackageManager(); |
| 552 | String[] packages = packageManager.getPackagesForUid(uid); |
| 553 | if (packages == null) { |
| 554 | return; |
| 555 | } |
| 556 | for (String pckg : packages) { |
| 557 | Intent intent = new Intent(KeyChain.ACTION_KEY_ACCESS_CHANGED); |
| 558 | intent.putExtra(KeyChain.EXTRA_KEY_ALIAS, alias); |
| 559 | intent.putExtra(KeyChain.EXTRA_KEY_ACCESSIBLE, access); |
| 560 | intent.setPackage(pckg); |
Chad Brubaker | e5a5dd1 | 2016-07-25 14:34:54 -0700 | [diff] [blame] | 561 | sendBroadcastAsUser(intent, UserHandle.of(UserHandle.myUserId())); |
Chad Brubaker | 2099a7d | 2016-05-02 13:13:23 -0700 | [diff] [blame] | 562 | } |
| 563 | } |
Pavel Grafov | 6e0960b | 2018-01-19 12:27:35 +0000 | [diff] [blame] | 564 | |
| 565 | @VisibleForTesting |
| 566 | void setInjector(Injector injector) { |
| 567 | mInjector = injector; |
| 568 | } |
| 569 | |
| 570 | /** |
| 571 | * Injector for mocking out dependencies in tests. |
| 572 | */ |
| 573 | @VisibleForTesting |
| 574 | static class Injector { |
| 575 | public boolean isSecurityLoggingEnabled() { |
| 576 | return SecurityLog.isLoggingEnabled(); |
| 577 | } |
| 578 | |
| 579 | public void writeSecurityEvent(int tag, Object... payload) { |
| 580 | SecurityLog.writeEvent(tag, payload); |
| 581 | } |
| 582 | |
| 583 | public int getCallingUid() { |
| 584 | return Binder.getCallingUid(); |
| 585 | } |
| 586 | } |
Brian Carlstrom | 3e6251d | 2011-04-11 09:05:06 -0700 | [diff] [blame] | 587 | } |