Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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.server.pm; |
| 18 | |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 19 | import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; |
| 20 | |
Todd Kennedy | 7c4c55d | 2017-11-02 10:01:39 -0700 | [diff] [blame] | 21 | import static com.android.server.pm.PackageManagerService.SCAN_INITIAL; |
| 22 | |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 23 | import com.android.internal.util.Preconditions; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 24 | import android.content.pm.PackageParser; |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 25 | import android.util.ArrayMap; |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 26 | import android.util.ArraySet; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 27 | import android.util.Base64; |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 28 | import android.util.Slog; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 29 | import android.util.LongSparseArray; |
| 30 | |
| 31 | import java.io.IOException; |
| 32 | import java.io.PrintWriter; |
| 33 | import java.security.PublicKey; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 34 | import java.util.Set; |
| 35 | |
| 36 | import org.xmlpull.v1.XmlPullParser; |
| 37 | import org.xmlpull.v1.XmlPullParserException; |
| 38 | import org.xmlpull.v1.XmlSerializer; |
| 39 | |
| 40 | /* |
| 41 | * Manages system-wide KeySet state. |
| 42 | */ |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 43 | public class KeySetManagerService { |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 44 | |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 45 | static final String TAG = "KeySetManagerService"; |
| 46 | |
| 47 | /* original keysets implementation had no versioning info, so this is the first */ |
| 48 | public static final int FIRST_VERSION = 1; |
| 49 | |
| 50 | public static final int CURRENT_VERSION = FIRST_VERSION; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 51 | |
Kenny Root | 9a995f5 | 2013-07-08 09:33:22 -0700 | [diff] [blame] | 52 | /** Sentinel value returned when a {@code KeySet} is not found. */ |
| 53 | public static final long KEYSET_NOT_FOUND = -1; |
| 54 | |
| 55 | /** Sentinel value returned when public key is not found. */ |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 56 | protected static final long PUBLIC_KEY_NOT_FOUND = -1; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 57 | |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 58 | private final LongSparseArray<KeySetHandle> mKeySets; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 59 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 60 | private final LongSparseArray<PublicKeyHandle> mPublicKeys; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 61 | |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 62 | protected final LongSparseArray<ArraySet<Long>> mKeySetMapping; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 63 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 64 | private final ArrayMap<String, PackageSetting> mPackages; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 65 | |
dcashman | 79d37cb | 2015-04-27 10:42:22 -0700 | [diff] [blame] | 66 | private long lastIssuedKeySetId = 0; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 67 | |
dcashman | 79d37cb | 2015-04-27 10:42:22 -0700 | [diff] [blame] | 68 | private long lastIssuedKeyId = 0; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 69 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 70 | class PublicKeyHandle { |
| 71 | private final PublicKey mKey; |
| 72 | private final long mId; |
| 73 | private int mRefCount; |
| 74 | |
| 75 | public PublicKeyHandle(long id, PublicKey key) { |
| 76 | mId = id; |
| 77 | mRefCount = 1; |
| 78 | mKey = key; |
| 79 | } |
| 80 | |
| 81 | /* |
| 82 | * Only used when reading state from packages.xml |
| 83 | */ |
| 84 | private PublicKeyHandle(long id, int refCount, PublicKey key) { |
| 85 | mId = id; |
| 86 | mRefCount = refCount; |
| 87 | mKey = key; |
| 88 | } |
| 89 | |
| 90 | public long getId() { |
| 91 | return mId; |
| 92 | } |
| 93 | |
| 94 | public PublicKey getKey() { |
| 95 | return mKey; |
| 96 | } |
| 97 | |
| 98 | public int getRefCountLPr() { |
| 99 | return mRefCount; |
| 100 | } |
| 101 | |
| 102 | public void incrRefCountLPw() { |
| 103 | mRefCount++; |
| 104 | return; |
| 105 | } |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 106 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 107 | public long decrRefCountLPw() { |
| 108 | mRefCount--; |
| 109 | return mRefCount; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | public KeySetManagerService(ArrayMap<String, PackageSetting> packages) { |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 114 | mKeySets = new LongSparseArray<KeySetHandle>(); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 115 | mPublicKeys = new LongSparseArray<PublicKeyHandle>(); |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 116 | mKeySetMapping = new LongSparseArray<ArraySet<Long>>(); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 117 | mPackages = packages; |
| 118 | } |
| 119 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 120 | /** |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 121 | * Determine if a package is signed by the given KeySet. |
| 122 | * |
| 123 | * Returns false if the package was not signed by all the |
| 124 | * keys in the KeySet. |
| 125 | * |
| 126 | * Returns true if the package was signed by at least the |
| 127 | * keys in the given KeySet. |
| 128 | * |
| 129 | * Note that this can return true for multiple KeySets. |
| 130 | */ |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 131 | public boolean packageIsSignedByLPr(String packageName, KeySetHandle ks) { |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 132 | PackageSetting pkg = mPackages.get(packageName); |
| 133 | if (pkg == null) { |
| 134 | throw new NullPointerException("Invalid package name"); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 135 | } |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 136 | if (pkg.keySetData == null) { |
| 137 | throw new NullPointerException("Package has no KeySet data"); |
| 138 | } |
| 139 | long id = getIdByKeySetLPr(ks); |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 140 | if (id == KEYSET_NOT_FOUND) { |
| 141 | return false; |
| 142 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 143 | ArraySet<Long> pkgKeys = mKeySetMapping.get(pkg.keySetData.getProperSigningKeySet()); |
| 144 | ArraySet<Long> testKeys = mKeySetMapping.get(id); |
| 145 | return pkgKeys.containsAll(testKeys); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 146 | } |
| 147 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 148 | /** |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 149 | * Determine if a package is signed by the given KeySet. |
| 150 | * |
| 151 | * Returns false if the package was not signed by all the |
| 152 | * keys in the KeySet, or if the package was signed by keys |
| 153 | * not in the KeySet. |
| 154 | * |
| 155 | * Note that this can return only for one KeySet. |
| 156 | */ |
| 157 | public boolean packageIsSignedByExactlyLPr(String packageName, KeySetHandle ks) { |
| 158 | PackageSetting pkg = mPackages.get(packageName); |
| 159 | if (pkg == null) { |
| 160 | throw new NullPointerException("Invalid package name"); |
| 161 | } |
| 162 | if (pkg.keySetData == null |
| 163 | || pkg.keySetData.getProperSigningKeySet() |
| 164 | == PackageKeySetData.KEYSET_UNASSIGNED) { |
| 165 | throw new NullPointerException("Package has no KeySet data"); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 166 | } |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 167 | long id = getIdByKeySetLPr(ks); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 168 | if (id == KEYSET_NOT_FOUND) { |
| 169 | return false; |
| 170 | } |
| 171 | ArraySet<Long> pkgKeys = mKeySetMapping.get(pkg.keySetData.getProperSigningKeySet()); |
| 172 | ArraySet<Long> testKeys = mKeySetMapping.get(id); |
| 173 | return pkgKeys.equals(testKeys); |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | /** |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 177 | * addScannedPackageLPw directly modifies the package metadata in pm.Settings |
| 178 | * at a point of no-return. We need to make sure that the scanned package does |
| 179 | * not contain bad keyset meta-data that could generate an incorrect |
| 180 | * PackageSetting. Verify that there is a signing keyset, there are no issues |
| 181 | * with null objects, and the upgrade and defined keysets match. |
| 182 | * |
| 183 | * Returns true if the package can safely be added to the keyset metadata. |
| 184 | */ |
| 185 | public void assertScannedPackageValid(PackageParser.Package pkg) |
| 186 | throws PackageManagerException { |
| 187 | if (pkg == null || pkg.packageName == null) { |
| 188 | throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, |
| 189 | "Passed invalid package to keyset validation."); |
| 190 | } |
Patrick Baumann | 3d70a03 | 2018-01-09 16:12:36 +0000 | [diff] [blame] | 191 | ArraySet<PublicKey> signingKeys = pkg.mSigningKeys; |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 192 | if (signingKeys == null || !(signingKeys.size() > 0) || signingKeys.contains(null)) { |
| 193 | throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, |
| 194 | "Package has invalid signing-key-set."); |
| 195 | } |
| 196 | ArrayMap<String, ArraySet<PublicKey>> definedMapping = pkg.mKeySetMapping; |
| 197 | if (definedMapping != null) { |
| 198 | if (definedMapping.containsKey(null) || definedMapping.containsValue(null)) { |
| 199 | throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, |
| 200 | "Package has null defined key set."); |
| 201 | } |
| 202 | int defMapSize = definedMapping.size(); |
| 203 | for (int i = 0; i < defMapSize; i++) { |
| 204 | if (!(definedMapping.valueAt(i).size() > 0) |
| 205 | || definedMapping.valueAt(i).contains(null)) { |
| 206 | throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, |
| 207 | "Package has null/no public keys for defined key-sets."); |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | ArraySet<String> upgradeAliases = pkg.mUpgradeKeySets; |
| 212 | if (upgradeAliases != null) { |
| 213 | if (definedMapping == null || !(definedMapping.keySet().containsAll(upgradeAliases))) { |
| 214 | throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, |
| 215 | "Package has upgrade-key-sets without corresponding definitions."); |
| 216 | } |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | public void addScannedPackageLPw(PackageParser.Package pkg) { |
| 221 | Preconditions.checkNotNull(pkg, "Attempted to add null pkg to ksms."); |
| 222 | Preconditions.checkNotNull(pkg.packageName, "Attempted to add null pkg to ksms."); |
| 223 | PackageSetting ps = mPackages.get(pkg.packageName); |
| 224 | Preconditions.checkNotNull(ps, "pkg: " + pkg.packageName |
| 225 | + "does not have a corresponding entry in mPackages."); |
Patrick Baumann | 3d70a03 | 2018-01-09 16:12:36 +0000 | [diff] [blame] | 226 | addSigningKeySetToPackageLPw(ps, pkg.mSigningKeys); |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 227 | if (pkg.mKeySetMapping != null) { |
| 228 | addDefinedKeySetsToPackageLPw(ps, pkg.mKeySetMapping); |
| 229 | if (pkg.mUpgradeKeySets != null) { |
| 230 | addUpgradeKeySetsToPackageLPw(ps, pkg.mUpgradeKeySets); |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | /** |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 236 | * Informs the system that the given package was signed by the provided KeySet. |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 237 | */ |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 238 | void addSigningKeySetToPackageLPw(PackageSetting pkg, |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 239 | ArraySet<PublicKey> signingKeys) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 240 | |
| 241 | /* check existing keyset for reuse or removal */ |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 242 | long signingKeySetId = pkg.keySetData.getProperSigningKeySet(); |
| 243 | |
| 244 | if (signingKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { |
| 245 | ArraySet<PublicKey> existingKeys = getPublicKeysFromKeySetLPr(signingKeySetId); |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 246 | if (existingKeys != null && existingKeys.equals(signingKeys)) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 247 | |
| 248 | /* no change in signing keys, leave PackageSetting alone */ |
| 249 | return; |
| 250 | } else { |
| 251 | |
| 252 | /* old keyset no longer valid, remove ref */ |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 253 | decrementKeySetLPw(signingKeySetId); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 254 | } |
| 255 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 256 | |
| 257 | /* create and add a new keyset */ |
| 258 | KeySetHandle ks = addKeySetLPw(signingKeys); |
| 259 | long id = ks.getId(); |
| 260 | pkg.keySetData.setProperSigningKeySet(id); |
| 261 | return; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 262 | } |
| 263 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 264 | /** |
| 265 | * Fetches the stable identifier associated with the given KeySet. Returns |
| 266 | * {@link #KEYSET_NOT_FOUND} if the KeySet... wasn't found. |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 267 | */ |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 268 | private long getIdByKeySetLPr(KeySetHandle ks) { |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 269 | for (int keySetIndex = 0; keySetIndex < mKeySets.size(); keySetIndex++) { |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 270 | KeySetHandle value = mKeySets.valueAt(keySetIndex); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 271 | if (ks.equals(value)) { |
| 272 | return mKeySets.keyAt(keySetIndex); |
| 273 | } |
| 274 | } |
| 275 | return KEYSET_NOT_FOUND; |
| 276 | } |
| 277 | |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 278 | /** |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 279 | * Inform the system that the given package defines the given KeySets. |
| 280 | * Remove any KeySets the package no longer defines. |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 281 | */ |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 282 | void addDefinedKeySetsToPackageLPw(PackageSetting pkg, |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 283 | ArrayMap<String, ArraySet<PublicKey>> definedMapping) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 284 | ArrayMap<String, Long> prevDefinedKeySets = pkg.keySetData.getAliases(); |
| 285 | |
| 286 | /* add all of the newly defined KeySets */ |
| 287 | ArrayMap<String, Long> newKeySetAliases = new ArrayMap<String, Long>(); |
| 288 | final int defMapSize = definedMapping.size(); |
| 289 | for (int i = 0; i < defMapSize; i++) { |
| 290 | String alias = definedMapping.keyAt(i); |
| 291 | ArraySet<PublicKey> pubKeys = definedMapping.valueAt(i); |
Thecrazyskull | 7664bce | 2017-01-26 08:59:51 -0600 | [diff] [blame] | 292 | if (alias != null && pubKeys != null && pubKeys.size() > 0) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 293 | KeySetHandle ks = addKeySetLPw(pubKeys); |
| 294 | newKeySetAliases.put(alias, ks.getId()); |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | /* remove each of the old references */ |
| 299 | final int prevDefSize = prevDefinedKeySets.size(); |
| 300 | for (int i = 0; i < prevDefSize; i++) { |
| 301 | decrementKeySetLPw(prevDefinedKeySets.valueAt(i)); |
| 302 | } |
| 303 | pkg.keySetData.removeAllUpgradeKeySets(); |
| 304 | |
| 305 | /* switch to the just-added */ |
| 306 | pkg.keySetData.setAliases(newKeySetAliases); |
| 307 | return; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 308 | } |
| 309 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 310 | /** |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 311 | * This informs the system that the given package has defined a KeySet |
| 312 | * alias in its manifest to be an upgradeKeySet. This must be called |
| 313 | * after all of the defined KeySets have been added. |
| 314 | */ |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 315 | void addUpgradeKeySetsToPackageLPw(PackageSetting pkg, |
| 316 | ArraySet<String> upgradeAliases) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 317 | final int uaSize = upgradeAliases.size(); |
| 318 | for (int i = 0; i < uaSize; i++) { |
| 319 | pkg.keySetData.addUpgradeKeySet(upgradeAliases.valueAt(i)); |
| 320 | } |
| 321 | return; |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Fetched the {@link KeySetHandle} that a given package refers to by the |
| 326 | * provided alias. Returns null if the package is unknown or does not have a |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 327 | * KeySet corresponding to that alias. |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 328 | */ |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 329 | public KeySetHandle getKeySetByAliasAndPackageNameLPr(String packageName, String alias) { |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 330 | PackageSetting p = mPackages.get(packageName); |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 331 | if (p == null || p.keySetData == null) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 332 | return null; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 333 | } |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 334 | Long keySetId = p.keySetData.getAliases().get(alias); |
| 335 | if (keySetId == null) { |
| 336 | throw new IllegalArgumentException("Unknown KeySet alias: " + alias); |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 337 | } |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 338 | return mKeySets.get(keySetId); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 339 | } |
| 340 | |
dcashman | 465ef5c | 2015-06-11 15:22:05 -0700 | [diff] [blame] | 341 | /* Checks if an identifier refers to a known keyset */ |
| 342 | public boolean isIdValidKeySetId(long id) { |
| 343 | return mKeySets.get(id) != null; |
| 344 | } |
| 345 | |
Todd Kennedy | 7c4c55d | 2017-11-02 10:01:39 -0700 | [diff] [blame] | 346 | public boolean shouldCheckUpgradeKeySetLocked(PackageSettingBase oldPs, int scanFlags) { |
| 347 | // Can't rotate keys during boot or if sharedUser. |
| 348 | if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.isSharedUser() |
| 349 | || !oldPs.keySetData.isUsingUpgradeKeySets()) { |
| 350 | return false; |
| 351 | } |
| 352 | // app is using upgradeKeySets; make sure all are valid |
| 353 | long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); |
| 354 | for (int i = 0; i < upgradeKeySets.length; i++) { |
| 355 | if (!isIdValidKeySetId(upgradeKeySets[i])) { |
| 356 | Slog.wtf(TAG, "Package " |
| 357 | + (oldPs.name != null ? oldPs.name : "<null>") |
| 358 | + " contains upgrade-key-set reference to unknown key-set: " |
| 359 | + upgradeKeySets[i] |
| 360 | + " reverting to signatures check."); |
| 361 | return false; |
| 362 | } |
| 363 | } |
| 364 | return true; |
| 365 | } |
| 366 | |
| 367 | public boolean checkUpgradeKeySetLocked(PackageSettingBase oldPS, |
| 368 | PackageParser.Package newPkg) { |
| 369 | // Upgrade keysets are being used. Determine if new package has a superset of the |
| 370 | // required keys. |
| 371 | long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); |
| 372 | for (int i = 0; i < upgradeKeySets.length; i++) { |
| 373 | Set<PublicKey> upgradeSet = getPublicKeysFromKeySetLPr(upgradeKeySets[i]); |
Patrick Baumann | 3d70a03 | 2018-01-09 16:12:36 +0000 | [diff] [blame] | 374 | if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { |
Todd Kennedy | 7c4c55d | 2017-11-02 10:01:39 -0700 | [diff] [blame] | 375 | return true; |
| 376 | } |
| 377 | } |
| 378 | return false; |
| 379 | } |
| 380 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 381 | /** |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 382 | * Fetches the {@link PublicKey public keys} which belong to the specified |
| 383 | * KeySet id. |
| 384 | * |
| 385 | * Returns {@code null} if the identifier doesn't |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 386 | * identify a {@link KeySetHandle}. |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 387 | */ |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 388 | public ArraySet<PublicKey> getPublicKeysFromKeySetLPr(long id) { |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 389 | ArraySet<Long> pkIds = mKeySetMapping.get(id); |
| 390 | if (pkIds == null) { |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 391 | return null; |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 392 | } |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 393 | ArraySet<PublicKey> mPubKeys = new ArraySet<PublicKey>(); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 394 | final int pkSize = pkIds.size(); |
| 395 | for (int i = 0; i < pkSize; i++) { |
| 396 | mPubKeys.add(mPublicKeys.get(pkIds.valueAt(i)).getKey()); |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 397 | } |
| 398 | return mPubKeys; |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | /** |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 402 | * Fetches the proper {@link KeySetHandle KeySet} that signed the given |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 403 | * package. |
| 404 | * |
| 405 | * @throws IllegalArgumentException if the package has no keyset data. |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 406 | * @throws NullPointerException if the packgae is unknown. |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 407 | */ |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 408 | public KeySetHandle getSigningKeySetByPackageNameLPr(String packageName) { |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 409 | PackageSetting p = mPackages.get(packageName); |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 410 | if (p == null |
| 411 | || p.keySetData == null |
| 412 | || p.keySetData.getProperSigningKeySet() |
| 413 | == PackageKeySetData.KEYSET_UNASSIGNED) { |
| 414 | return null; |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 415 | } |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 416 | return mKeySets.get(p.keySetData.getProperSigningKeySet()); |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | /** |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 420 | * Creates a new KeySet corresponding to the given keys. |
| 421 | * |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 422 | * If the {@link PublicKey PublicKeys} aren't known to the system, this |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 423 | * adds them. Otherwise, they're deduped and the reference count |
| 424 | * incremented. |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 425 | * |
| 426 | * If the KeySet isn't known to the system, this adds that and creates the |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 427 | * mapping to the PublicKeys. If it is known, then it's deduped and the |
| 428 | * reference count is incremented. |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 429 | * |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 430 | * Throws if the provided set is {@code null}. |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 431 | */ |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 432 | private KeySetHandle addKeySetLPw(ArraySet<PublicKey> keys) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 433 | if (keys == null || keys.size() == 0) { |
| 434 | throw new IllegalArgumentException("Cannot add an empty set of keys!"); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 435 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 436 | |
| 437 | /* add each of the keys in the provided set */ |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 438 | ArraySet<Long> addedKeyIds = new ArraySet<Long>(keys.size()); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 439 | final int kSize = keys.size(); |
| 440 | for (int i = 0; i < kSize; i++) { |
| 441 | long id = addPublicKeyLPw(keys.valueAt(i)); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 442 | addedKeyIds.add(id); |
| 443 | } |
| 444 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 445 | /* check to see if the resulting keyset is new */ |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 446 | long existingKeySetId = getIdFromKeyIdsLPr(addedKeyIds); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 447 | if (existingKeySetId != KEYSET_NOT_FOUND) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 448 | |
| 449 | /* public keys were incremented, but we aren't adding a new keyset: undo */ |
| 450 | for (int i = 0; i < kSize; i++) { |
| 451 | decrementPublicKeyLPw(addedKeyIds.valueAt(i)); |
| 452 | } |
| 453 | KeySetHandle ks = mKeySets.get(existingKeySetId); |
| 454 | ks.incrRefCountLPw(); |
| 455 | return ks; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 456 | } |
| 457 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 458 | // get the next keyset id |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 459 | long id = getFreeKeySetIDLPw(); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 460 | |
| 461 | // create the KeySet object and add to mKeySets and mapping |
| 462 | KeySetHandle ks = new KeySetHandle(id); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 463 | mKeySets.put(id, ks); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 464 | mKeySetMapping.put(id, addedKeyIds); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 465 | return ks; |
| 466 | } |
| 467 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 468 | /* |
| 469 | * Decrements the reference to KeySet represented by the given id. If this |
| 470 | * drops to zero, then also decrement the reference to each public key it |
| 471 | * contains and remove the KeySet. |
| 472 | */ |
| 473 | private void decrementKeySetLPw(long id) { |
| 474 | KeySetHandle ks = mKeySets.get(id); |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 475 | if (ks == null) { |
| 476 | /* nothing to do */ |
| 477 | return; |
| 478 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 479 | if (ks.decrRefCountLPw() <= 0) { |
| 480 | ArraySet<Long> pubKeys = mKeySetMapping.get(id); |
| 481 | final int pkSize = pubKeys.size(); |
| 482 | for (int i = 0; i < pkSize; i++) { |
| 483 | decrementPublicKeyLPw(pubKeys.valueAt(i)); |
| 484 | } |
| 485 | mKeySets.delete(id); |
| 486 | mKeySetMapping.delete(id); |
| 487 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 488 | } |
| 489 | |
| 490 | /* |
| 491 | * Decrements the reference to PublicKey represented by the given id. If |
| 492 | * this drops to zero, then remove it. |
| 493 | */ |
| 494 | private void decrementPublicKeyLPw(long id) { |
| 495 | PublicKeyHandle pk = mPublicKeys.get(id); |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 496 | if (pk == null) { |
| 497 | /* nothing to do */ |
| 498 | return; |
| 499 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 500 | if (pk.decrRefCountLPw() <= 0) { |
| 501 | mPublicKeys.delete(id); |
| 502 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 503 | } |
| 504 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 505 | /** |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 506 | * Adds the given PublicKey to the system, deduping as it goes. |
| 507 | */ |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 508 | private long addPublicKeyLPw(PublicKey key) { |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 509 | Preconditions.checkNotNull(key, "Cannot add null public key!"); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 510 | long id = getIdForPublicKeyLPr(key); |
| 511 | if (id != PUBLIC_KEY_NOT_FOUND) { |
| 512 | |
| 513 | /* We already know about this key, increment its ref count and ret */ |
| 514 | mPublicKeys.get(id).incrRefCountLPw(); |
| 515 | return id; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 516 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 517 | |
| 518 | /* if it's new find the first unoccupied slot in the public keys */ |
| 519 | id = getFreePublicKeyIdLPw(); |
| 520 | mPublicKeys.put(id, new PublicKeyHandle(id, key)); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 521 | return id; |
| 522 | } |
| 523 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 524 | /** |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 525 | * Finds the stable identifier for a KeySet based on a set of PublicKey stable IDs. |
| 526 | * |
| 527 | * Returns KEYSET_NOT_FOUND if there isn't one. |
| 528 | */ |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 529 | private long getIdFromKeyIdsLPr(Set<Long> publicKeyIds) { |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 530 | for (int keyMapIndex = 0; keyMapIndex < mKeySetMapping.size(); keyMapIndex++) { |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 531 | ArraySet<Long> value = mKeySetMapping.valueAt(keyMapIndex); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 532 | if (value.equals(publicKeyIds)) { |
| 533 | return mKeySetMapping.keyAt(keyMapIndex); |
| 534 | } |
| 535 | } |
| 536 | return KEYSET_NOT_FOUND; |
| 537 | } |
| 538 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 539 | /** |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 540 | * Finds the stable identifier for a PublicKey or PUBLIC_KEY_NOT_FOUND. |
| 541 | */ |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 542 | private long getIdForPublicKeyLPr(PublicKey k) { |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 543 | String encodedPublicKey = new String(k.getEncoded()); |
| 544 | for (int publicKeyIndex = 0; publicKeyIndex < mPublicKeys.size(); publicKeyIndex++) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 545 | PublicKey value = mPublicKeys.valueAt(publicKeyIndex).getKey(); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 546 | String encodedExistingKey = new String(value.getEncoded()); |
| 547 | if (encodedPublicKey.equals(encodedExistingKey)) { |
| 548 | return mPublicKeys.keyAt(publicKeyIndex); |
| 549 | } |
| 550 | } |
| 551 | return PUBLIC_KEY_NOT_FOUND; |
| 552 | } |
| 553 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 554 | /** |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 555 | * Gets an unused stable identifier for a KeySet. |
| 556 | */ |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 557 | private long getFreeKeySetIDLPw() { |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 558 | lastIssuedKeySetId += 1; |
| 559 | return lastIssuedKeySetId; |
| 560 | } |
| 561 | |
Kenny Root | 2042e9d | 2013-07-08 09:31:31 -0700 | [diff] [blame] | 562 | /** |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 563 | * Same as above, but for public keys. |
| 564 | */ |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 565 | private long getFreePublicKeyIdLPw() { |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 566 | lastIssuedKeyId += 1; |
| 567 | return lastIssuedKeyId; |
| 568 | } |
| 569 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 570 | /* |
| 571 | * This package is being removed from the system, so we need to |
| 572 | * remove its keyset and public key references, then remove its |
| 573 | * keyset data. |
| 574 | */ |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 575 | public void removeAppKeySetDataLPw(String packageName) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 576 | |
| 577 | /* remove refs from common keysets and public keys */ |
| 578 | PackageSetting pkg = mPackages.get(packageName); |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 579 | Preconditions.checkNotNull(pkg, "pkg name: " + packageName |
| 580 | + "does not have a corresponding entry in mPackages."); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 581 | long signingKeySetId = pkg.keySetData.getProperSigningKeySet(); |
| 582 | decrementKeySetLPw(signingKeySetId); |
| 583 | ArrayMap<String, Long> definedKeySets = pkg.keySetData.getAliases(); |
| 584 | for (int i = 0; i < definedKeySets.size(); i++) { |
| 585 | decrementKeySetLPw(definedKeySets.valueAt(i)); |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 586 | } |
| 587 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 588 | /* remove from package */ |
| 589 | clearPackageKeySetDataLPw(pkg); |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 590 | return; |
| 591 | } |
| 592 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 593 | private void clearPackageKeySetDataLPw(PackageSetting pkg) { |
| 594 | pkg.keySetData.setProperSigningKeySet(PackageKeySetData.KEYSET_UNASSIGNED); |
| 595 | pkg.keySetData.removeAllDefinedKeySets(); |
| 596 | pkg.keySetData.removeAllUpgradeKeySets(); |
| 597 | return; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | public String encodePublicKey(PublicKey k) throws IOException { |
dcashman | 8a33121 | 2015-04-24 10:52:56 -0700 | [diff] [blame] | 601 | return new String(Base64.encode(k.getEncoded(), Base64.NO_WRAP)); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 602 | } |
| 603 | |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 604 | public void dumpLPr(PrintWriter pw, String packageName, |
Todd Kennedy | 91a39d1 | 2017-09-27 12:37:04 -0700 | [diff] [blame] | 605 | DumpState dumpState) { |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 606 | boolean printedHeader = false; |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 607 | for (ArrayMap.Entry<String, PackageSetting> e : mPackages.entrySet()) { |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 608 | String keySetPackage = e.getKey(); |
| 609 | if (packageName != null && !packageName.equals(keySetPackage)) { |
| 610 | continue; |
| 611 | } |
| 612 | if (!printedHeader) { |
| 613 | if (dumpState.onTitlePrinted()) |
| 614 | pw.println(); |
| 615 | pw.println("Key Set Manager:"); |
| 616 | printedHeader = true; |
| 617 | } |
| 618 | PackageSetting pkg = e.getValue(); |
| 619 | pw.print(" ["); pw.print(keySetPackage); pw.println("]"); |
| 620 | if (pkg.keySetData != null) { |
| 621 | boolean printedLabel = false; |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 622 | for (ArrayMap.Entry<String, Long> entry : pkg.keySetData.getAliases().entrySet()) { |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 623 | if (!printedLabel) { |
| 624 | pw.print(" KeySets Aliases: "); |
| 625 | printedLabel = true; |
| 626 | } else { |
| 627 | pw.print(", "); |
| 628 | } |
| 629 | pw.print(entry.getKey()); |
| 630 | pw.print('='); |
| 631 | pw.print(Long.toString(entry.getValue())); |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 632 | } |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 633 | if (printedLabel) { |
| 634 | pw.println(""); |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 635 | } |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 636 | printedLabel = false; |
| 637 | if (pkg.keySetData.isUsingDefinedKeySets()) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 638 | ArrayMap<String, Long> definedKeySets = pkg.keySetData.getAliases(); |
| 639 | final int dksSize = definedKeySets.size(); |
| 640 | for (int i = 0; i < dksSize; i++) { |
Kenny Root | df0e6ab | 2013-07-03 13:38:31 -0700 | [diff] [blame] | 641 | if (!printedLabel) { |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 642 | pw.print(" Defined KeySets: "); |
Dianne Hackborn | cbfd23e | 2013-06-11 14:26:53 -0700 | [diff] [blame] | 643 | printedLabel = true; |
| 644 | } else { |
| 645 | pw.print(", "); |
| 646 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 647 | pw.print(Long.toString(definedKeySets.valueAt(i))); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 648 | } |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 649 | } |
| 650 | if (printedLabel) { |
| 651 | pw.println(""); |
| 652 | } |
| 653 | printedLabel = false; |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 654 | final long signingKeySet = pkg.keySetData.getProperSigningKeySet(); |
| 655 | pw.print(" Signing KeySets: "); |
| 656 | pw.print(Long.toString(signingKeySet)); |
| 657 | pw.println(""); |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 658 | if (pkg.keySetData.isUsingUpgradeKeySets()) { |
| 659 | for (long keySetId : pkg.keySetData.getUpgradeKeySets()) { |
| 660 | if (!printedLabel) { |
| 661 | pw.print(" Upgrade KeySets: "); |
| 662 | printedLabel = true; |
| 663 | } else { |
| 664 | pw.print(", "); |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 665 | } |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 666 | pw.print(Long.toString(keySetId)); |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 667 | } |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 668 | } |
| 669 | if (printedLabel) { |
| 670 | pw.println(""); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 671 | } |
| 672 | } |
| 673 | } |
| 674 | } |
| 675 | |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 676 | void writeKeySetManagerServiceLPr(XmlSerializer serializer) throws IOException { |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 677 | serializer.startTag(null, "keyset-settings"); |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 678 | serializer.attribute(null, "version", Integer.toString(CURRENT_VERSION)); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 679 | writePublicKeysLPr(serializer); |
| 680 | writeKeySetsLPr(serializer); |
| 681 | serializer.startTag(null, "lastIssuedKeyId"); |
| 682 | serializer.attribute(null, "value", Long.toString(lastIssuedKeyId)); |
| 683 | serializer.endTag(null, "lastIssuedKeyId"); |
| 684 | serializer.startTag(null, "lastIssuedKeySetId"); |
| 685 | serializer.attribute(null, "value", Long.toString(lastIssuedKeySetId)); |
| 686 | serializer.endTag(null, "lastIssuedKeySetId"); |
| 687 | serializer.endTag(null, "keyset-settings"); |
| 688 | } |
| 689 | |
| 690 | void writePublicKeysLPr(XmlSerializer serializer) throws IOException { |
| 691 | serializer.startTag(null, "keys"); |
| 692 | for (int pKeyIndex = 0; pKeyIndex < mPublicKeys.size(); pKeyIndex++) { |
| 693 | long id = mPublicKeys.keyAt(pKeyIndex); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 694 | PublicKeyHandle pkh = mPublicKeys.valueAt(pKeyIndex); |
| 695 | String encodedKey = encodePublicKey(pkh.getKey()); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 696 | serializer.startTag(null, "public-key"); |
| 697 | serializer.attribute(null, "identifier", Long.toString(id)); |
| 698 | serializer.attribute(null, "value", encodedKey); |
| 699 | serializer.endTag(null, "public-key"); |
| 700 | } |
| 701 | serializer.endTag(null, "keys"); |
| 702 | } |
| 703 | |
| 704 | void writeKeySetsLPr(XmlSerializer serializer) throws IOException { |
| 705 | serializer.startTag(null, "keysets"); |
| 706 | for (int keySetIndex = 0; keySetIndex < mKeySetMapping.size(); keySetIndex++) { |
| 707 | long id = mKeySetMapping.keyAt(keySetIndex); |
dcashman | 9d2f441 | 2014-06-09 09:27:54 -0700 | [diff] [blame] | 708 | ArraySet<Long> keys = mKeySetMapping.valueAt(keySetIndex); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 709 | serializer.startTag(null, "keyset"); |
| 710 | serializer.attribute(null, "identifier", Long.toString(id)); |
| 711 | for (long keyId : keys) { |
| 712 | serializer.startTag(null, "key-id"); |
| 713 | serializer.attribute(null, "identifier", Long.toString(keyId)); |
| 714 | serializer.endTag(null, "key-id"); |
| 715 | } |
| 716 | serializer.endTag(null, "keyset"); |
| 717 | } |
| 718 | serializer.endTag(null, "keysets"); |
| 719 | } |
| 720 | |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 721 | void readKeySetsLPw(XmlPullParser parser, ArrayMap<Long, Integer> keySetRefCounts) |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 722 | throws XmlPullParserException, IOException { |
| 723 | int type; |
| 724 | long currentKeySetId = 0; |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 725 | int outerDepth = parser.getDepth(); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 726 | String recordedVersionStr = parser.getAttributeValue(null, "version"); |
| 727 | if (recordedVersionStr == null) { |
| 728 | // The keyset information comes from pre-versioned devices, and |
| 729 | // is inaccurate, don't collect any of it. |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 730 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 731 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 732 | continue; |
| 733 | } |
| 734 | // The KeySet information read previously from packages.xml is invalid. |
| 735 | // Destroy it all. |
| 736 | for (PackageSetting p : mPackages.values()) { |
dcashman | d79fdf1 | 2014-06-20 15:53:06 -0700 | [diff] [blame] | 737 | clearPackageKeySetDataLPw(p); |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 738 | } |
| 739 | return; |
| 740 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 741 | int recordedVersion = Integer.parseInt(recordedVersionStr); |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 742 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 743 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 744 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 745 | continue; |
| 746 | } |
| 747 | final String tagName = parser.getName(); |
| 748 | if (tagName.equals("keys")) { |
| 749 | readKeysLPw(parser); |
| 750 | } else if (tagName.equals("keysets")) { |
| 751 | readKeySetListLPw(parser); |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 752 | } else if (tagName.equals("lastIssuedKeyId")) { |
| 753 | lastIssuedKeyId = Long.parseLong(parser.getAttributeValue(null, "value")); |
| 754 | } else if (tagName.equals("lastIssuedKeySetId")) { |
| 755 | lastIssuedKeySetId = Long.parseLong(parser.getAttributeValue(null, "value")); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 756 | } |
| 757 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 758 | |
| 759 | addRefCountsFromSavedPackagesLPw(keySetRefCounts); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 760 | } |
| 761 | |
| 762 | void readKeysLPw(XmlPullParser parser) |
| 763 | throws XmlPullParserException, IOException { |
| 764 | int outerDepth = parser.getDepth(); |
| 765 | int type; |
| 766 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 767 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 768 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 769 | continue; |
| 770 | } |
| 771 | final String tagName = parser.getName(); |
| 772 | if (tagName.equals("public-key")) { |
| 773 | readPublicKeyLPw(parser); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 774 | } |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | void readKeySetListLPw(XmlPullParser parser) |
| 779 | throws XmlPullParserException, IOException { |
| 780 | int outerDepth = parser.getDepth(); |
| 781 | int type; |
| 782 | long currentKeySetId = 0; |
| 783 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 784 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 785 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 786 | continue; |
| 787 | } |
| 788 | final String tagName = parser.getName(); |
| 789 | if (tagName.equals("keyset")) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 790 | String encodedID = parser.getAttributeValue(null, "identifier"); |
| 791 | currentKeySetId = Long.parseLong(encodedID); |
| 792 | int refCount = 0; |
| 793 | mKeySets.put(currentKeySetId, new KeySetHandle(currentKeySetId, refCount)); |
dcashman | 55b1078 | 2014-04-09 14:20:38 -0700 | [diff] [blame] | 794 | mKeySetMapping.put(currentKeySetId, new ArraySet<Long>()); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 795 | } else if (tagName.equals("key-id")) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 796 | String encodedID = parser.getAttributeValue(null, "identifier"); |
| 797 | long id = Long.parseLong(encodedID); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 798 | mKeySetMapping.get(currentKeySetId).add(id); |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 799 | } |
| 800 | } |
| 801 | } |
| 802 | |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 803 | void readPublicKeyLPw(XmlPullParser parser) |
| 804 | throws XmlPullParserException { |
| 805 | String encodedID = parser.getAttributeValue(null, "identifier"); |
| 806 | long identifier = Long.parseLong(encodedID); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 807 | int refCount = 0; |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 808 | String encodedPublicKey = parser.getAttributeValue(null, "value"); |
| 809 | PublicKey pub = PackageParser.parsePublicKey(encodedPublicKey); |
Geremy Condra | a2d8eae | 2013-06-21 16:59:42 -0700 | [diff] [blame] | 810 | if (pub != null) { |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 811 | PublicKeyHandle pkh = new PublicKeyHandle(identifier, refCount, pub); |
| 812 | mPublicKeys.put(identifier, pkh); |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | /* |
| 817 | * Set each KeySet ref count. Also increment all public keys in each keyset. |
| 818 | */ |
| 819 | private void addRefCountsFromSavedPackagesLPw(ArrayMap<Long, Integer> keySetRefCounts) { |
| 820 | final int numRefCounts = keySetRefCounts.size(); |
| 821 | for (int i = 0; i < numRefCounts; i++) { |
| 822 | KeySetHandle ks = mKeySets.get(keySetRefCounts.keyAt(i)); |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 823 | if (ks == null) { |
| 824 | /* something went terribly wrong and we have references to a non-existent key-set */ |
| 825 | Slog.wtf(TAG, "Encountered non-existent key-set reference when reading settings"); |
| 826 | continue; |
| 827 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 828 | ks.setRefCountLPw(keySetRefCounts.valueAt(i)); |
| 829 | } |
| 830 | |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 831 | /* |
| 832 | * In case something went terribly wrong and we have keysets with no associated packges |
| 833 | * that refer to them, record the orphaned keyset ids, and remove them using |
| 834 | * decrementKeySetLPw() after all keyset references have been set so that the associtaed |
| 835 | * public keys have the appropriate references from all keysets. |
| 836 | */ |
| 837 | ArraySet<Long> orphanedKeySets = new ArraySet<Long>(); |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 838 | final int numKeySets = mKeySets.size(); |
| 839 | for (int i = 0; i < numKeySets; i++) { |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 840 | if (mKeySets.valueAt(i).getRefCountLPr() == 0) { |
| 841 | Slog.wtf(TAG, "Encountered key-set w/out package references when reading settings"); |
| 842 | orphanedKeySets.add(mKeySets.keyAt(i)); |
| 843 | } |
dcashman | 8c04fac | 2015-03-23 11:39:42 -0700 | [diff] [blame] | 844 | ArraySet<Long> pubKeys = mKeySetMapping.valueAt(i); |
| 845 | final int pkSize = pubKeys.size(); |
| 846 | for (int j = 0; j < pkSize; j++) { |
| 847 | mPublicKeys.get(pubKeys.valueAt(j)).incrRefCountLPw(); |
| 848 | } |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 849 | } |
dcashman | 87f794f | 2015-06-03 14:46:47 -0700 | [diff] [blame] | 850 | final int numOrphans = orphanedKeySets.size(); |
| 851 | for (int i = 0; i < numOrphans; i++) { |
| 852 | decrementKeySetLPw(orphanedKeySets.valueAt(i)); |
| 853 | } |
Geremy Condra | f1bcca8 | 2013-01-07 22:35:24 -0800 | [diff] [blame] | 854 | } |
Ying Wang | fb236b5 | 2013-07-08 10:53:58 -0700 | [diff] [blame] | 855 | } |