Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 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; |
| 18 | |
| 19 | import java.io.File; |
| 20 | import java.io.FileDescriptor; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 21 | import java.io.FileInputStream; |
| 22 | import java.io.FileNotFoundException; |
| 23 | import java.io.FileOutputStream; |
| 24 | import java.io.IOException; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 25 | import java.io.PrintWriter; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 26 | import java.util.ArrayList; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 27 | import java.util.HashMap; |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 28 | import java.util.Iterator; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 29 | import java.util.List; |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 30 | import java.util.Map; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 31 | |
| 32 | import android.app.AppOpsManager; |
| 33 | import android.content.Context; |
| 34 | import android.content.pm.PackageManager; |
| 35 | import android.content.pm.PackageManager.NameNotFoundException; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 36 | import android.os.AsyncTask; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 37 | import android.os.Binder; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 38 | import android.os.Handler; |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 39 | import android.os.IBinder; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 40 | import android.os.Process; |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 41 | import android.os.RemoteException; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 42 | import android.os.ServiceManager; |
| 43 | import android.os.UserHandle; |
| 44 | import android.util.AtomicFile; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 45 | import android.util.Log; |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 46 | import android.util.Pair; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 47 | import android.util.Slog; |
| 48 | import android.util.SparseArray; |
| 49 | import android.util.TimeUtils; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 50 | import android.util.Xml; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 51 | |
| 52 | import com.android.internal.app.IAppOpsService; |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 53 | import com.android.internal.app.IAppOpsCallback; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 54 | import com.android.internal.util.FastXmlSerializer; |
| 55 | import com.android.internal.util.XmlUtils; |
| 56 | |
| 57 | import org.xmlpull.v1.XmlPullParser; |
| 58 | import org.xmlpull.v1.XmlPullParserException; |
| 59 | import org.xmlpull.v1.XmlSerializer; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 60 | |
| 61 | public class AppOpsService extends IAppOpsService.Stub { |
| 62 | static final String TAG = "AppOps"; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 63 | static final boolean DEBUG = false; |
| 64 | |
| 65 | // Write at most every 30 minutes. |
| 66 | static final long WRITE_DELAY = DEBUG ? 1000 : 30*60*1000; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 67 | |
| 68 | Context mContext; |
| 69 | final AtomicFile mFile; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 70 | final Handler mHandler; |
| 71 | |
| 72 | boolean mWriteScheduled; |
| 73 | final Runnable mWriteRunner = new Runnable() { |
| 74 | public void run() { |
| 75 | synchronized (AppOpsService.this) { |
| 76 | mWriteScheduled = false; |
| 77 | AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() { |
| 78 | @Override protected Void doInBackground(Void... params) { |
| 79 | writeState(); |
| 80 | return null; |
| 81 | } |
| 82 | }; |
| 83 | task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void[])null); |
| 84 | } |
| 85 | } |
| 86 | }; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 87 | |
| 88 | final SparseArray<HashMap<String, Ops>> mUidOps |
| 89 | = new SparseArray<HashMap<String, Ops>>(); |
| 90 | |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 91 | public final static class Ops extends SparseArray<Op> { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 92 | public final String packageName; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 93 | public final int uid; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 94 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 95 | public Ops(String _packageName, int _uid) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 96 | packageName = _packageName; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 97 | uid = _uid; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 98 | } |
| 99 | } |
| 100 | |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 101 | public final static class Op { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 102 | public final int op; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 103 | public int mode; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 104 | public int duration; |
| 105 | public long time; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 106 | public long rejectTime; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 107 | public int nesting; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 108 | |
| 109 | public Op(int _op) { |
| 110 | op = _op; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 111 | mode = AppOpsManager.MODE_ALLOWED; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 112 | } |
| 113 | } |
| 114 | |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 115 | final SparseArray<ArrayList<Callback>> mOpModeWatchers |
| 116 | = new SparseArray<ArrayList<Callback>>(); |
| 117 | final HashMap<String, ArrayList<Callback>> mPackageModeWatchers |
| 118 | = new HashMap<String, ArrayList<Callback>>(); |
| 119 | final HashMap<IBinder, Callback> mModeWatchers |
| 120 | = new HashMap<IBinder, Callback>(); |
| 121 | |
| 122 | public final class Callback implements DeathRecipient { |
| 123 | final IAppOpsCallback mCallback; |
| 124 | |
| 125 | public Callback(IAppOpsCallback callback) { |
| 126 | mCallback = callback; |
| 127 | try { |
| 128 | mCallback.asBinder().linkToDeath(this, 0); |
| 129 | } catch (RemoteException e) { |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | public void unlinkToDeath() { |
| 134 | mCallback.asBinder().unlinkToDeath(this, 0); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void binderDied() { |
| 139 | stopWatchingMode(mCallback); |
| 140 | } |
| 141 | } |
| 142 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 143 | public AppOpsService(File storagePath) { |
| 144 | mFile = new AtomicFile(storagePath); |
| 145 | mHandler = new Handler(); |
| 146 | readState(); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | public void publish(Context context) { |
| 150 | mContext = context; |
| 151 | ServiceManager.addService(Context.APP_OPS_SERVICE, asBinder()); |
| 152 | } |
| 153 | |
Dianne Hackborn | 514074f | 2013-02-11 10:52:46 -0800 | [diff] [blame] | 154 | public void systemReady() { |
| 155 | synchronized (this) { |
| 156 | boolean changed = false; |
| 157 | for (int i=0; i<mUidOps.size(); i++) { |
| 158 | HashMap<String, Ops> pkgs = mUidOps.valueAt(i); |
| 159 | Iterator<Ops> it = pkgs.values().iterator(); |
| 160 | while (it.hasNext()) { |
| 161 | Ops ops = it.next(); |
| 162 | int curUid; |
| 163 | try { |
| 164 | curUid = mContext.getPackageManager().getPackageUid(ops.packageName, |
| 165 | UserHandle.getUserId(ops.uid)); |
| 166 | } catch (NameNotFoundException e) { |
| 167 | curUid = -1; |
| 168 | } |
| 169 | if (curUid != ops.uid) { |
| 170 | Slog.i(TAG, "Pruning old package " + ops.packageName |
| 171 | + "/" + ops.uid + ": new uid=" + curUid); |
| 172 | it.remove(); |
| 173 | changed = true; |
| 174 | } |
| 175 | } |
| 176 | if (pkgs.size() <= 0) { |
| 177 | mUidOps.removeAt(i); |
| 178 | } |
| 179 | } |
| 180 | if (changed) { |
| 181 | scheduleWriteLocked(); |
| 182 | } |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | public void packageRemoved(int uid, String packageName) { |
| 187 | synchronized (this) { |
| 188 | HashMap<String, Ops> pkgs = mUidOps.get(uid); |
| 189 | if (pkgs != null) { |
| 190 | if (pkgs.remove(packageName) != null) { |
| 191 | if (pkgs.size() <= 0) { |
| 192 | mUidOps.remove(uid); |
| 193 | } |
| 194 | scheduleWriteLocked(); |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | public void uidRemoved(int uid) { |
| 201 | synchronized (this) { |
| 202 | if (mUidOps.indexOfKey(uid) >= 0) { |
| 203 | mUidOps.remove(uid); |
| 204 | scheduleWriteLocked(); |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 209 | public void shutdown() { |
| 210 | Slog.w(TAG, "Writing app ops before shutdown..."); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 211 | boolean doWrite = false; |
| 212 | synchronized (this) { |
| 213 | if (mWriteScheduled) { |
| 214 | mWriteScheduled = false; |
| 215 | doWrite = true; |
| 216 | } |
| 217 | } |
| 218 | if (doWrite) { |
| 219 | writeState(); |
| 220 | } |
| 221 | } |
| 222 | |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 223 | private ArrayList<AppOpsManager.OpEntry> collectOps(Ops pkgOps, int[] ops) { |
| 224 | ArrayList<AppOpsManager.OpEntry> resOps = null; |
| 225 | if (ops == null) { |
| 226 | resOps = new ArrayList<AppOpsManager.OpEntry>(); |
| 227 | for (int j=0; j<pkgOps.size(); j++) { |
| 228 | Op curOp = pkgOps.valueAt(j); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 229 | resOps.add(new AppOpsManager.OpEntry(curOp.op, curOp.mode, curOp.time, |
| 230 | curOp.rejectTime, curOp.duration)); |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 231 | } |
| 232 | } else { |
| 233 | for (int j=0; j<ops.length; j++) { |
| 234 | Op curOp = pkgOps.get(ops[j]); |
| 235 | if (curOp != null) { |
| 236 | if (resOps == null) { |
| 237 | resOps = new ArrayList<AppOpsManager.OpEntry>(); |
| 238 | } |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 239 | resOps.add(new AppOpsManager.OpEntry(curOp.op, curOp.mode, curOp.time, |
| 240 | curOp.rejectTime, curOp.duration)); |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 241 | } |
| 242 | } |
| 243 | } |
| 244 | return resOps; |
| 245 | } |
| 246 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 247 | @Override |
| 248 | public List<AppOpsManager.PackageOps> getPackagesForOps(int[] ops) { |
| 249 | mContext.enforcePermission(android.Manifest.permission.GET_APP_OPS_STATS, |
| 250 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
| 251 | ArrayList<AppOpsManager.PackageOps> res = null; |
| 252 | synchronized (this) { |
| 253 | for (int i=0; i<mUidOps.size(); i++) { |
| 254 | HashMap<String, Ops> packages = mUidOps.valueAt(i); |
| 255 | for (Ops pkgOps : packages.values()) { |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 256 | ArrayList<AppOpsManager.OpEntry> resOps = collectOps(pkgOps, ops); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 257 | if (resOps != null) { |
| 258 | if (res == null) { |
| 259 | res = new ArrayList<AppOpsManager.PackageOps>(); |
| 260 | } |
| 261 | AppOpsManager.PackageOps resPackage = new AppOpsManager.PackageOps( |
| 262 | pkgOps.packageName, pkgOps.uid, resOps); |
| 263 | res.add(resPackage); |
| 264 | } |
| 265 | } |
| 266 | } |
| 267 | } |
| 268 | return res; |
| 269 | } |
| 270 | |
| 271 | @Override |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 272 | public List<AppOpsManager.PackageOps> getOpsForPackage(int uid, String packageName, |
| 273 | int[] ops) { |
| 274 | mContext.enforcePermission(android.Manifest.permission.GET_APP_OPS_STATS, |
| 275 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
| 276 | synchronized (this) { |
| 277 | Ops pkgOps = getOpsLocked(uid, packageName, false); |
| 278 | if (pkgOps == null) { |
| 279 | return null; |
| 280 | } |
| 281 | ArrayList<AppOpsManager.OpEntry> resOps = collectOps(pkgOps, ops); |
| 282 | if (resOps == null) { |
| 283 | return null; |
| 284 | } |
| 285 | ArrayList<AppOpsManager.PackageOps> res = new ArrayList<AppOpsManager.PackageOps>(); |
| 286 | AppOpsManager.PackageOps resPackage = new AppOpsManager.PackageOps( |
| 287 | pkgOps.packageName, pkgOps.uid, resOps); |
| 288 | res.add(resPackage); |
| 289 | return res; |
| 290 | } |
| 291 | } |
| 292 | |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 293 | private void pruneOp(Op op, int uid, String packageName) { |
| 294 | if (op.time == 0 && op.rejectTime == 0) { |
| 295 | Ops ops = getOpsLocked(uid, packageName, false); |
| 296 | if (ops != null) { |
| 297 | ops.remove(op.op); |
| 298 | if (ops.size() <= 0) { |
| 299 | HashMap<String, Ops> pkgOps = mUidOps.get(uid); |
| 300 | if (pkgOps != null) { |
| 301 | pkgOps.remove(ops.packageName); |
| 302 | if (pkgOps.size() <= 0) { |
| 303 | mUidOps.remove(uid); |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | } |
| 308 | } |
| 309 | } |
| 310 | |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 311 | @Override |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 312 | public void setMode(int code, int uid, String packageName, int mode) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 313 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame] | 314 | verifyIncomingOp(code); |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 315 | ArrayList<Callback> repCbs = null; |
| 316 | code = AppOpsManager.opToSwitch(code); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 317 | synchronized (this) { |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 318 | Op op = getOpLocked(code, uid, packageName, true); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 319 | if (op != null) { |
| 320 | if (op.mode != mode) { |
| 321 | op.mode = mode; |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 322 | ArrayList<Callback> cbs = mOpModeWatchers.get(code); |
| 323 | if (cbs != null) { |
| 324 | if (repCbs == null) { |
| 325 | repCbs = new ArrayList<Callback>(); |
| 326 | } |
| 327 | repCbs.addAll(cbs); |
| 328 | } |
| 329 | cbs = mPackageModeWatchers.get(packageName); |
| 330 | if (cbs != null) { |
| 331 | if (repCbs == null) { |
| 332 | repCbs = new ArrayList<Callback>(); |
| 333 | } |
| 334 | repCbs.addAll(cbs); |
| 335 | } |
Dianne Hackborn | 514074f | 2013-02-11 10:52:46 -0800 | [diff] [blame] | 336 | if (mode == AppOpsManager.MODE_ALLOWED) { |
| 337 | // If going into the default mode, prune this op |
| 338 | // if there is nothing else interesting in it. |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 339 | pruneOp(op, uid, packageName); |
Dianne Hackborn | 514074f | 2013-02-11 10:52:46 -0800 | [diff] [blame] | 340 | } |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 341 | scheduleWriteNowLocked(); |
| 342 | } |
| 343 | } |
| 344 | } |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 345 | if (repCbs != null) { |
| 346 | for (int i=0; i<repCbs.size(); i++) { |
| 347 | try { |
| 348 | repCbs.get(i).mCallback.opChanged(code, packageName); |
| 349 | } catch (RemoteException e) { |
| 350 | } |
| 351 | } |
| 352 | } |
| 353 | } |
| 354 | |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 355 | private static HashMap<Callback, ArrayList<Pair<String, Integer>>> addCallbacks( |
| 356 | HashMap<Callback, ArrayList<Pair<String, Integer>>> callbacks, |
| 357 | String packageName, int op, ArrayList<Callback> cbs) { |
| 358 | if (cbs == null) { |
| 359 | return callbacks; |
| 360 | } |
| 361 | if (callbacks == null) { |
| 362 | callbacks = new HashMap<Callback, ArrayList<Pair<String, Integer>>>(); |
| 363 | } |
| 364 | for (int i=0; i<cbs.size(); i++) { |
| 365 | Callback cb = cbs.get(i); |
| 366 | ArrayList<Pair<String, Integer>> reports = callbacks.get(cb); |
| 367 | if (reports == null) { |
| 368 | reports = new ArrayList<Pair<String, Integer>>(); |
| 369 | callbacks.put(cb, reports); |
| 370 | } |
| 371 | reports.add(new Pair<String, Integer>(packageName, op)); |
| 372 | } |
| 373 | return callbacks; |
| 374 | } |
| 375 | |
| 376 | @Override |
| 377 | public void resetAllModes() { |
| 378 | mContext.enforcePermission(android.Manifest.permission.UPDATE_APP_OPS_STATS, |
| 379 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
| 380 | HashMap<Callback, ArrayList<Pair<String, Integer>>> callbacks = null; |
| 381 | synchronized (this) { |
| 382 | boolean changed = false; |
Dianne Hackborn | 7f09ec3 | 2013-08-07 15:36:08 -0700 | [diff] [blame^] | 383 | for (int i=mUidOps.size()-1; i>=0; i--) { |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 384 | HashMap<String, Ops> packages = mUidOps.valueAt(i); |
Dianne Hackborn | 7f09ec3 | 2013-08-07 15:36:08 -0700 | [diff] [blame^] | 385 | Iterator<Map.Entry<String, Ops>> it = packages.entrySet().iterator(); |
| 386 | while (it.hasNext()) { |
| 387 | Map.Entry<String, Ops> ent = it.next(); |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 388 | String packageName = ent.getKey(); |
| 389 | Ops pkgOps = ent.getValue(); |
Dianne Hackborn | 7f09ec3 | 2013-08-07 15:36:08 -0700 | [diff] [blame^] | 390 | for (int j=pkgOps.size()-1; j>=0; j--) { |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 391 | Op curOp = pkgOps.valueAt(j); |
| 392 | if (curOp.mode != AppOpsManager.MODE_ALLOWED) { |
| 393 | curOp.mode = AppOpsManager.MODE_ALLOWED; |
| 394 | changed = true; |
| 395 | callbacks = addCallbacks(callbacks, packageName, curOp.op, |
| 396 | mOpModeWatchers.get(curOp.op)); |
| 397 | callbacks = addCallbacks(callbacks, packageName, curOp.op, |
| 398 | mPackageModeWatchers.get(packageName)); |
Dianne Hackborn | 7f09ec3 | 2013-08-07 15:36:08 -0700 | [diff] [blame^] | 399 | if (curOp.time == 0 && curOp.rejectTime == 0) { |
| 400 | pkgOps.removeAt(j); |
| 401 | } |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 402 | } |
| 403 | } |
Dianne Hackborn | 7f09ec3 | 2013-08-07 15:36:08 -0700 | [diff] [blame^] | 404 | if (pkgOps.size() == 0) { |
| 405 | it.remove(); |
| 406 | } |
| 407 | } |
| 408 | if (packages.size() == 0) { |
| 409 | mUidOps.removeAt(i); |
Dianne Hackborn | 607b414 | 2013-08-02 18:10:10 -0700 | [diff] [blame] | 410 | } |
| 411 | } |
| 412 | if (changed) { |
| 413 | scheduleWriteNowLocked(); |
| 414 | } |
| 415 | } |
| 416 | if (callbacks != null) { |
| 417 | for (Map.Entry<Callback, ArrayList<Pair<String, Integer>>> ent : callbacks.entrySet()) { |
| 418 | Callback cb = ent.getKey(); |
| 419 | ArrayList<Pair<String, Integer>> reports = ent.getValue(); |
| 420 | for (int i=0; i<reports.size(); i++) { |
| 421 | Pair<String, Integer> rep = reports.get(i); |
| 422 | try { |
| 423 | cb.mCallback.opChanged(rep.second, rep.first); |
| 424 | } catch (RemoteException e) { |
| 425 | } |
| 426 | } |
| 427 | } |
| 428 | } |
| 429 | } |
| 430 | |
Dianne Hackborn | c229302 | 2013-02-06 23:14:49 -0800 | [diff] [blame] | 431 | @Override |
| 432 | public void startWatchingMode(int op, String packageName, IAppOpsCallback callback) { |
| 433 | synchronized (this) { |
| 434 | op = AppOpsManager.opToSwitch(op); |
| 435 | Callback cb = mModeWatchers.get(callback.asBinder()); |
| 436 | if (cb == null) { |
| 437 | cb = new Callback(callback); |
| 438 | mModeWatchers.put(callback.asBinder(), cb); |
| 439 | } |
| 440 | if (op != AppOpsManager.OP_NONE) { |
| 441 | ArrayList<Callback> cbs = mOpModeWatchers.get(op); |
| 442 | if (cbs == null) { |
| 443 | cbs = new ArrayList<Callback>(); |
| 444 | mOpModeWatchers.put(op, cbs); |
| 445 | } |
| 446 | cbs.add(cb); |
| 447 | } |
| 448 | if (packageName != null) { |
| 449 | ArrayList<Callback> cbs = mPackageModeWatchers.get(packageName); |
| 450 | if (cbs == null) { |
| 451 | cbs = new ArrayList<Callback>(); |
| 452 | mPackageModeWatchers.put(packageName, cbs); |
| 453 | } |
| 454 | cbs.add(cb); |
| 455 | } |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | @Override |
| 460 | public void stopWatchingMode(IAppOpsCallback callback) { |
| 461 | synchronized (this) { |
| 462 | Callback cb = mModeWatchers.remove(callback.asBinder()); |
| 463 | if (cb != null) { |
| 464 | cb.unlinkToDeath(); |
| 465 | for (int i=0; i<mOpModeWatchers.size(); i++) { |
| 466 | ArrayList<Callback> cbs = mOpModeWatchers.valueAt(i); |
| 467 | cbs.remove(cb); |
| 468 | if (cbs.size() <= 0) { |
| 469 | mOpModeWatchers.removeAt(i); |
| 470 | } |
| 471 | } |
| 472 | if (mPackageModeWatchers.size() > 0) { |
| 473 | Iterator<ArrayList<Callback>> it = mPackageModeWatchers.values().iterator(); |
| 474 | while (it.hasNext()) { |
| 475 | ArrayList<Callback> cbs = it.next(); |
| 476 | cbs.remove(cb); |
| 477 | if (cbs.size() <= 0) { |
| 478 | it.remove(); |
| 479 | } |
| 480 | } |
| 481 | } |
| 482 | } |
| 483 | } |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 484 | } |
| 485 | |
| 486 | @Override |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 487 | public int checkOperation(int code, int uid, String packageName) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 488 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame] | 489 | verifyIncomingOp(code); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 490 | synchronized (this) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 491 | Op op = getOpLocked(AppOpsManager.opToSwitch(code), uid, packageName, false); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 492 | if (op == null) { |
| 493 | return AppOpsManager.MODE_ALLOWED; |
| 494 | } |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 495 | return op.mode; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 496 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | @Override |
| 500 | public int noteOperation(int code, int uid, String packageName) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 501 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame] | 502 | verifyIncomingOp(code); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 503 | synchronized (this) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 504 | Ops ops = getOpsLocked(uid, packageName, true); |
| 505 | if (ops == null) { |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 506 | if (DEBUG) Log.d(TAG, "noteOperation: no op for code " + code + " uid " + uid |
| 507 | + " package " + packageName); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 508 | return AppOpsManager.MODE_IGNORED; |
| 509 | } |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 510 | Op op = getOpLocked(ops, code, true); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 511 | if (op.duration == -1) { |
| 512 | Slog.w(TAG, "Noting op not finished: uid " + uid + " pkg " + packageName |
| 513 | + " code " + code + " time=" + op.time + " duration=" + op.duration); |
| 514 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 515 | op.duration = 0; |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 516 | final int switchCode = AppOpsManager.opToSwitch(code); |
| 517 | final Op switchOp = switchCode != code ? getOpLocked(ops, switchCode, true) : op; |
| 518 | if (switchOp.mode != AppOpsManager.MODE_ALLOWED) { |
| 519 | if (DEBUG) Log.d(TAG, "noteOperation: reject #" + op.mode + " for code " |
| 520 | + switchCode + " (" + code + ") uid " + uid + " package " + packageName); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 521 | op.rejectTime = System.currentTimeMillis(); |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 522 | return switchOp.mode; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 523 | } |
| 524 | if (DEBUG) Log.d(TAG, "noteOperation: allowing code " + code + " uid " + uid |
| 525 | + " package " + packageName); |
| 526 | op.time = System.currentTimeMillis(); |
Dianne Hackborn | 514074f | 2013-02-11 10:52:46 -0800 | [diff] [blame] | 527 | op.rejectTime = 0; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 528 | return AppOpsManager.MODE_ALLOWED; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 529 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 530 | } |
| 531 | |
| 532 | @Override |
| 533 | public int startOperation(int code, int uid, String packageName) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 534 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame] | 535 | verifyIncomingOp(code); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 536 | synchronized (this) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 537 | Ops ops = getOpsLocked(uid, packageName, true); |
| 538 | if (ops == null) { |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 539 | if (DEBUG) Log.d(TAG, "startOperation: no op for code " + code + " uid " + uid |
| 540 | + " package " + packageName); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 541 | return AppOpsManager.MODE_IGNORED; |
| 542 | } |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 543 | Op op = getOpLocked(ops, code, true); |
| 544 | final int switchCode = AppOpsManager.opToSwitch(code); |
| 545 | final Op switchOp = switchCode != code ? getOpLocked(ops, switchCode, true) : op; |
| 546 | if (switchOp.mode != AppOpsManager.MODE_ALLOWED) { |
| 547 | if (DEBUG) Log.d(TAG, "startOperation: reject #" + op.mode + " for code " |
| 548 | + switchCode + " (" + code + ") uid " + uid + " package " + packageName); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 549 | op.rejectTime = System.currentTimeMillis(); |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 550 | return switchOp.mode; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 551 | } |
| 552 | if (DEBUG) Log.d(TAG, "startOperation: allowing code " + code + " uid " + uid |
| 553 | + " package " + packageName); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 554 | if (op.nesting == 0) { |
| 555 | op.time = System.currentTimeMillis(); |
Dianne Hackborn | 514074f | 2013-02-11 10:52:46 -0800 | [diff] [blame] | 556 | op.rejectTime = 0; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 557 | op.duration = -1; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 558 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 559 | op.nesting++; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 560 | return AppOpsManager.MODE_ALLOWED; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 561 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | @Override |
| 565 | public void finishOperation(int code, int uid, String packageName) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 566 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame] | 567 | verifyIncomingOp(code); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 568 | synchronized (this) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 569 | Op op = getOpLocked(code, uid, packageName, true); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 570 | if (op == null) { |
| 571 | return; |
| 572 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 573 | if (op.nesting <= 1) { |
| 574 | if (op.nesting == 1) { |
| 575 | op.duration = (int)(System.currentTimeMillis() - op.time); |
Dianne Hackborn | 514074f | 2013-02-11 10:52:46 -0800 | [diff] [blame] | 576 | op.time += op.duration; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 577 | } else { |
| 578 | Slog.w(TAG, "Finishing op nesting under-run: uid " + uid + " pkg " + packageName |
| 579 | + " code " + code + " time=" + op.time + " duration=" + op.duration |
| 580 | + " nesting=" + op.nesting); |
| 581 | } |
Dianne Hackborn | e799175 | 2013-01-16 17:56:46 -0800 | [diff] [blame] | 582 | op.nesting = 0; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 583 | } else { |
| 584 | op.nesting--; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 585 | } |
| 586 | } |
| 587 | } |
| 588 | |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 589 | private void verifyIncomingUid(int uid) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 590 | if (uid == Binder.getCallingUid()) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 591 | return; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 592 | } |
| 593 | if (Binder.getCallingPid() == Process.myPid()) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 594 | return; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 595 | } |
| 596 | mContext.enforcePermission(android.Manifest.permission.UPDATE_APP_OPS_STATS, |
| 597 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 598 | } |
| 599 | |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame] | 600 | private void verifyIncomingOp(int op) { |
| 601 | if (op >= 0 && op < AppOpsManager._NUM_OP) { |
| 602 | return; |
| 603 | } |
| 604 | throw new IllegalArgumentException("Bad operation #" + op); |
| 605 | } |
| 606 | |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 607 | private Ops getOpsLocked(int uid, String packageName, boolean edit) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 608 | HashMap<String, Ops> pkgOps = mUidOps.get(uid); |
| 609 | if (pkgOps == null) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 610 | if (!edit) { |
| 611 | return null; |
| 612 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 613 | pkgOps = new HashMap<String, Ops>(); |
| 614 | mUidOps.put(uid, pkgOps); |
| 615 | } |
Dianne Hackborn | 514074f | 2013-02-11 10:52:46 -0800 | [diff] [blame] | 616 | if (uid == 0) { |
| 617 | packageName = "root"; |
| 618 | } else if (uid == Process.SHELL_UID) { |
| 619 | packageName = "com.android.shell"; |
| 620 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 621 | Ops ops = pkgOps.get(packageName); |
| 622 | if (ops == null) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 623 | if (!edit) { |
| 624 | return null; |
| 625 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 626 | // This is the first time we have seen this package name under this uid, |
| 627 | // so let's make sure it is valid. |
Dianne Hackborn | 514074f | 2013-02-11 10:52:46 -0800 | [diff] [blame] | 628 | if (uid != 0) { |
| 629 | final long ident = Binder.clearCallingIdentity(); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 630 | try { |
Dianne Hackborn | 514074f | 2013-02-11 10:52:46 -0800 | [diff] [blame] | 631 | int pkgUid = -1; |
| 632 | try { |
| 633 | pkgUid = mContext.getPackageManager().getPackageUid(packageName, |
| 634 | UserHandle.getUserId(uid)); |
| 635 | } catch (NameNotFoundException e) { |
| 636 | } |
| 637 | if (pkgUid != uid) { |
| 638 | // Oops! The package name is not valid for the uid they are calling |
| 639 | // under. Abort. |
| 640 | Slog.w(TAG, "Bad call: specified package " + packageName |
| 641 | + " under uid " + uid + " but it is really " + pkgUid); |
| 642 | return null; |
| 643 | } |
| 644 | } finally { |
| 645 | Binder.restoreCallingIdentity(ident); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 646 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 647 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 648 | ops = new Ops(packageName, uid); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 649 | pkgOps.put(packageName, ops); |
| 650 | } |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 651 | return ops; |
| 652 | } |
| 653 | |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 654 | private void scheduleWriteLocked() { |
| 655 | if (!mWriteScheduled) { |
| 656 | mWriteScheduled = true; |
| 657 | mHandler.postDelayed(mWriteRunner, WRITE_DELAY); |
| 658 | } |
| 659 | } |
| 660 | |
| 661 | private void scheduleWriteNowLocked() { |
| 662 | if (!mWriteScheduled) { |
| 663 | mWriteScheduled = true; |
| 664 | } |
| 665 | mHandler.removeCallbacks(mWriteRunner); |
| 666 | mHandler.post(mWriteRunner); |
| 667 | } |
| 668 | |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 669 | private Op getOpLocked(int code, int uid, String packageName, boolean edit) { |
| 670 | Ops ops = getOpsLocked(uid, packageName, edit); |
| 671 | if (ops == null) { |
| 672 | return null; |
| 673 | } |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 674 | return getOpLocked(ops, code, edit); |
| 675 | } |
| 676 | |
| 677 | private Op getOpLocked(Ops ops, int code, boolean edit) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 678 | Op op = ops.get(code); |
| 679 | if (op == null) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 680 | if (!edit) { |
| 681 | return null; |
| 682 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 683 | op = new Op(code); |
| 684 | ops.put(code, op); |
| 685 | } |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 686 | if (edit) { |
| 687 | scheduleWriteLocked(); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 688 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 689 | return op; |
| 690 | } |
| 691 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 692 | void readState() { |
| 693 | synchronized (mFile) { |
| 694 | synchronized (this) { |
| 695 | FileInputStream stream; |
| 696 | try { |
| 697 | stream = mFile.openRead(); |
| 698 | } catch (FileNotFoundException e) { |
| 699 | Slog.i(TAG, "No existing app ops " + mFile.getBaseFile() + "; starting empty"); |
| 700 | return; |
| 701 | } |
| 702 | boolean success = false; |
| 703 | try { |
| 704 | XmlPullParser parser = Xml.newPullParser(); |
| 705 | parser.setInput(stream, null); |
| 706 | int type; |
| 707 | while ((type = parser.next()) != XmlPullParser.START_TAG |
| 708 | && type != XmlPullParser.END_DOCUMENT) { |
| 709 | ; |
| 710 | } |
| 711 | |
| 712 | if (type != XmlPullParser.START_TAG) { |
| 713 | throw new IllegalStateException("no start tag found"); |
| 714 | } |
| 715 | |
| 716 | int outerDepth = parser.getDepth(); |
| 717 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 718 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 719 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 720 | continue; |
| 721 | } |
| 722 | |
| 723 | String tagName = parser.getName(); |
| 724 | if (tagName.equals("pkg")) { |
Dave Burke | 0997c5bd | 2013-08-02 20:25:02 +0000 | [diff] [blame] | 725 | readPackage(parser); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 726 | } else { |
| 727 | Slog.w(TAG, "Unknown element under <app-ops>: " |
| 728 | + parser.getName()); |
| 729 | XmlUtils.skipCurrentTag(parser); |
| 730 | } |
| 731 | } |
| 732 | success = true; |
| 733 | } catch (IllegalStateException e) { |
| 734 | Slog.w(TAG, "Failed parsing " + e); |
| 735 | } catch (NullPointerException e) { |
| 736 | Slog.w(TAG, "Failed parsing " + e); |
| 737 | } catch (NumberFormatException e) { |
| 738 | Slog.w(TAG, "Failed parsing " + e); |
| 739 | } catch (XmlPullParserException e) { |
| 740 | Slog.w(TAG, "Failed parsing " + e); |
| 741 | } catch (IOException e) { |
| 742 | Slog.w(TAG, "Failed parsing " + e); |
| 743 | } catch (IndexOutOfBoundsException e) { |
| 744 | Slog.w(TAG, "Failed parsing " + e); |
| 745 | } finally { |
| 746 | if (!success) { |
| 747 | mUidOps.clear(); |
| 748 | } |
| 749 | try { |
| 750 | stream.close(); |
| 751 | } catch (IOException e) { |
| 752 | } |
| 753 | } |
| 754 | } |
| 755 | } |
| 756 | } |
| 757 | |
Dave Burke | 0997c5bd | 2013-08-02 20:25:02 +0000 | [diff] [blame] | 758 | void readPackage(XmlPullParser parser) throws NumberFormatException, |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 759 | XmlPullParserException, IOException { |
| 760 | String pkgName = parser.getAttributeValue(null, "n"); |
| 761 | int outerDepth = parser.getDepth(); |
| 762 | int type; |
| 763 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 764 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 765 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 766 | continue; |
| 767 | } |
| 768 | |
| 769 | String tagName = parser.getName(); |
| 770 | if (tagName.equals("uid")) { |
Dave Burke | 0997c5bd | 2013-08-02 20:25:02 +0000 | [diff] [blame] | 771 | readUid(parser, pkgName); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 772 | } else { |
| 773 | Slog.w(TAG, "Unknown element under <pkg>: " |
| 774 | + parser.getName()); |
| 775 | XmlUtils.skipCurrentTag(parser); |
| 776 | } |
| 777 | } |
| 778 | } |
| 779 | |
Dave Burke | 0997c5bd | 2013-08-02 20:25:02 +0000 | [diff] [blame] | 780 | void readUid(XmlPullParser parser, String pkgName) throws NumberFormatException, |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 781 | XmlPullParserException, IOException { |
| 782 | int uid = Integer.parseInt(parser.getAttributeValue(null, "n")); |
| 783 | int outerDepth = parser.getDepth(); |
| 784 | int type; |
| 785 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 786 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 787 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 788 | continue; |
| 789 | } |
| 790 | |
| 791 | String tagName = parser.getName(); |
| 792 | if (tagName.equals("op")) { |
| 793 | Op op = new Op(Integer.parseInt(parser.getAttributeValue(null, "n"))); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 794 | String mode = parser.getAttributeValue(null, "m"); |
| 795 | if (mode != null) { |
Dave Burke | 0997c5bd | 2013-08-02 20:25:02 +0000 | [diff] [blame] | 796 | op.mode = Integer.parseInt(mode); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 797 | } |
| 798 | String time = parser.getAttributeValue(null, "t"); |
| 799 | if (time != null) { |
| 800 | op.time = Long.parseLong(time); |
| 801 | } |
| 802 | time = parser.getAttributeValue(null, "r"); |
| 803 | if (time != null) { |
| 804 | op.rejectTime = Long.parseLong(time); |
| 805 | } |
| 806 | String dur = parser.getAttributeValue(null, "d"); |
| 807 | if (dur != null) { |
| 808 | op.duration = Integer.parseInt(dur); |
| 809 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 810 | HashMap<String, Ops> pkgOps = mUidOps.get(uid); |
| 811 | if (pkgOps == null) { |
| 812 | pkgOps = new HashMap<String, Ops>(); |
| 813 | mUidOps.put(uid, pkgOps); |
| 814 | } |
| 815 | Ops ops = pkgOps.get(pkgName); |
| 816 | if (ops == null) { |
| 817 | ops = new Ops(pkgName, uid); |
| 818 | pkgOps.put(pkgName, ops); |
| 819 | } |
| 820 | ops.put(op.op, op); |
| 821 | } else { |
| 822 | Slog.w(TAG, "Unknown element under <pkg>: " |
| 823 | + parser.getName()); |
| 824 | XmlUtils.skipCurrentTag(parser); |
| 825 | } |
| 826 | } |
| 827 | } |
| 828 | |
| 829 | void writeState() { |
| 830 | synchronized (mFile) { |
| 831 | List<AppOpsManager.PackageOps> allOps = getPackagesForOps(null); |
| 832 | |
| 833 | FileOutputStream stream; |
| 834 | try { |
| 835 | stream = mFile.startWrite(); |
| 836 | } catch (IOException e) { |
| 837 | Slog.w(TAG, "Failed to write state: " + e); |
| 838 | return; |
| 839 | } |
| 840 | |
| 841 | try { |
| 842 | XmlSerializer out = new FastXmlSerializer(); |
| 843 | out.setOutput(stream, "utf-8"); |
| 844 | out.startDocument(null, true); |
| 845 | out.startTag(null, "app-ops"); |
| 846 | |
| 847 | if (allOps != null) { |
| 848 | String lastPkg = null; |
| 849 | for (int i=0; i<allOps.size(); i++) { |
| 850 | AppOpsManager.PackageOps pkg = allOps.get(i); |
| 851 | if (!pkg.getPackageName().equals(lastPkg)) { |
| 852 | if (lastPkg != null) { |
| 853 | out.endTag(null, "pkg"); |
| 854 | } |
| 855 | lastPkg = pkg.getPackageName(); |
| 856 | out.startTag(null, "pkg"); |
| 857 | out.attribute(null, "n", lastPkg); |
| 858 | } |
| 859 | out.startTag(null, "uid"); |
| 860 | out.attribute(null, "n", Integer.toString(pkg.getUid())); |
| 861 | List<AppOpsManager.OpEntry> ops = pkg.getOps(); |
| 862 | for (int j=0; j<ops.size(); j++) { |
| 863 | AppOpsManager.OpEntry op = ops.get(j); |
| 864 | out.startTag(null, "op"); |
| 865 | out.attribute(null, "n", Integer.toString(op.getOp())); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 866 | if (op.getMode() != AppOpsManager.MODE_ALLOWED) { |
| 867 | out.attribute(null, "m", Integer.toString(op.getMode())); |
| 868 | } |
| 869 | long time = op.getTime(); |
| 870 | if (time != 0) { |
| 871 | out.attribute(null, "t", Long.toString(time)); |
| 872 | } |
| 873 | time = op.getRejectTime(); |
| 874 | if (time != 0) { |
| 875 | out.attribute(null, "r", Long.toString(time)); |
| 876 | } |
| 877 | int dur = op.getDuration(); |
| 878 | if (dur != 0) { |
| 879 | out.attribute(null, "d", Integer.toString(dur)); |
| 880 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 881 | out.endTag(null, "op"); |
| 882 | } |
| 883 | out.endTag(null, "uid"); |
| 884 | } |
| 885 | if (lastPkg != null) { |
| 886 | out.endTag(null, "pkg"); |
| 887 | } |
| 888 | } |
| 889 | |
| 890 | out.endTag(null, "app-ops"); |
| 891 | out.endDocument(); |
| 892 | mFile.finishWrite(stream); |
| 893 | } catch (IOException e) { |
| 894 | Slog.w(TAG, "Failed to write state, restoring backup.", e); |
| 895 | mFile.failWrite(stream); |
| 896 | } |
| 897 | } |
| 898 | } |
| 899 | |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 900 | @Override |
| 901 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 902 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 903 | != PackageManager.PERMISSION_GRANTED) { |
| 904 | pw.println("Permission Denial: can't dump ApOps service from from pid=" |
| 905 | + Binder.getCallingPid() |
| 906 | + ", uid=" + Binder.getCallingUid()); |
| 907 | return; |
| 908 | } |
| 909 | |
| 910 | synchronized (this) { |
| 911 | pw.println("Current AppOps Service state:"); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 912 | final long now = System.currentTimeMillis(); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 913 | for (int i=0; i<mUidOps.size(); i++) { |
| 914 | pw.print(" Uid "); UserHandle.formatUid(pw, mUidOps.keyAt(i)); pw.println(":"); |
| 915 | HashMap<String, Ops> pkgOps = mUidOps.valueAt(i); |
| 916 | for (Ops ops : pkgOps.values()) { |
| 917 | pw.print(" Package "); pw.print(ops.packageName); pw.println(":"); |
| 918 | for (int j=0; j<ops.size(); j++) { |
| 919 | Op op = ops.valueAt(j); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 920 | pw.print(" "); pw.print(AppOpsManager.opToName(op.op)); |
| 921 | pw.print(": mode="); pw.print(op.mode); |
| 922 | if (op.time != 0) { |
| 923 | pw.print("; time="); TimeUtils.formatDuration(now-op.time, pw); |
| 924 | pw.print(" ago"); |
| 925 | } |
| 926 | if (op.rejectTime != 0) { |
| 927 | pw.print("; rejectTime="); TimeUtils.formatDuration(now-op.rejectTime, pw); |
| 928 | pw.print(" ago"); |
| 929 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 930 | if (op.duration == -1) { |
| 931 | pw.println(" (running)"); |
| 932 | } else { |
| 933 | pw.print("; duration="); |
| 934 | TimeUtils.formatDuration(op.duration, pw); |
| 935 | pw.println(); |
| 936 | } |
| 937 | } |
| 938 | } |
| 939 | } |
| 940 | } |
| 941 | } |
| 942 | } |