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 | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 28 | import java.util.List; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 29 | |
| 30 | import android.app.AppOpsManager; |
| 31 | import android.content.Context; |
| 32 | import android.content.pm.PackageManager; |
| 33 | import android.content.pm.PackageManager.NameNotFoundException; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 34 | import android.os.AsyncTask; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 35 | import android.os.Binder; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 36 | import android.os.Handler; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 37 | import android.os.Process; |
| 38 | import android.os.ServiceManager; |
| 39 | import android.os.UserHandle; |
| 40 | import android.util.AtomicFile; |
| 41 | import android.util.Slog; |
| 42 | import android.util.SparseArray; |
| 43 | import android.util.TimeUtils; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 44 | import android.util.Xml; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 45 | |
| 46 | import com.android.internal.app.IAppOpsService; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 47 | import com.android.internal.util.FastXmlSerializer; |
| 48 | import com.android.internal.util.XmlUtils; |
| 49 | |
| 50 | import org.xmlpull.v1.XmlPullParser; |
| 51 | import org.xmlpull.v1.XmlPullParserException; |
| 52 | import org.xmlpull.v1.XmlSerializer; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 53 | |
| 54 | public class AppOpsService extends IAppOpsService.Stub { |
| 55 | static final String TAG = "AppOps"; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 56 | static final boolean DEBUG = false; |
| 57 | |
| 58 | // Write at most every 30 minutes. |
| 59 | static final long WRITE_DELAY = DEBUG ? 1000 : 30*60*1000; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 60 | |
| 61 | Context mContext; |
| 62 | final AtomicFile mFile; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 63 | final Handler mHandler; |
| 64 | |
| 65 | boolean mWriteScheduled; |
| 66 | final Runnable mWriteRunner = new Runnable() { |
| 67 | public void run() { |
| 68 | synchronized (AppOpsService.this) { |
| 69 | mWriteScheduled = false; |
| 70 | AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() { |
| 71 | @Override protected Void doInBackground(Void... params) { |
| 72 | writeState(); |
| 73 | return null; |
| 74 | } |
| 75 | }; |
| 76 | task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void[])null); |
| 77 | } |
| 78 | } |
| 79 | }; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 80 | |
| 81 | final SparseArray<HashMap<String, Ops>> mUidOps |
| 82 | = new SparseArray<HashMap<String, Ops>>(); |
| 83 | |
| 84 | final static class Ops extends SparseArray<Op> { |
| 85 | public final String packageName; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 86 | public final int uid; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 87 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 88 | public Ops(String _packageName, int _uid) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 89 | packageName = _packageName; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 90 | uid = _uid; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 91 | } |
| 92 | } |
| 93 | |
| 94 | final static class Op { |
| 95 | public final int op; |
| 96 | public int duration; |
| 97 | public long time; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 98 | public int nesting; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 99 | |
| 100 | public Op(int _op) { |
| 101 | op = _op; |
| 102 | } |
| 103 | } |
| 104 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 105 | public AppOpsService(File storagePath) { |
| 106 | mFile = new AtomicFile(storagePath); |
| 107 | mHandler = new Handler(); |
| 108 | readState(); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | public void publish(Context context) { |
| 112 | mContext = context; |
| 113 | ServiceManager.addService(Context.APP_OPS_SERVICE, asBinder()); |
| 114 | } |
| 115 | |
| 116 | public void shutdown() { |
| 117 | Slog.w(TAG, "Writing app ops before shutdown..."); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 118 | boolean doWrite = false; |
| 119 | synchronized (this) { |
| 120 | if (mWriteScheduled) { |
| 121 | mWriteScheduled = false; |
| 122 | doWrite = true; |
| 123 | } |
| 124 | } |
| 125 | if (doWrite) { |
| 126 | writeState(); |
| 127 | } |
| 128 | } |
| 129 | |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame^] | 130 | private ArrayList<AppOpsManager.OpEntry> collectOps(Ops pkgOps, int[] ops) { |
| 131 | ArrayList<AppOpsManager.OpEntry> resOps = null; |
| 132 | if (ops == null) { |
| 133 | resOps = new ArrayList<AppOpsManager.OpEntry>(); |
| 134 | for (int j=0; j<pkgOps.size(); j++) { |
| 135 | Op curOp = pkgOps.valueAt(j); |
| 136 | resOps.add(new AppOpsManager.OpEntry(curOp.op, curOp.time, |
| 137 | curOp.duration)); |
| 138 | } |
| 139 | } else { |
| 140 | for (int j=0; j<ops.length; j++) { |
| 141 | Op curOp = pkgOps.get(ops[j]); |
| 142 | if (curOp != null) { |
| 143 | if (resOps == null) { |
| 144 | resOps = new ArrayList<AppOpsManager.OpEntry>(); |
| 145 | } |
| 146 | resOps.add(new AppOpsManager.OpEntry(curOp.op, curOp.time, |
| 147 | curOp.duration)); |
| 148 | } |
| 149 | } |
| 150 | } |
| 151 | return resOps; |
| 152 | } |
| 153 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 154 | @Override |
| 155 | public List<AppOpsManager.PackageOps> getPackagesForOps(int[] ops) { |
| 156 | mContext.enforcePermission(android.Manifest.permission.GET_APP_OPS_STATS, |
| 157 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
| 158 | ArrayList<AppOpsManager.PackageOps> res = null; |
| 159 | synchronized (this) { |
| 160 | for (int i=0; i<mUidOps.size(); i++) { |
| 161 | HashMap<String, Ops> packages = mUidOps.valueAt(i); |
| 162 | for (Ops pkgOps : packages.values()) { |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame^] | 163 | ArrayList<AppOpsManager.OpEntry> resOps = collectOps(pkgOps, ops); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 164 | if (resOps != null) { |
| 165 | if (res == null) { |
| 166 | res = new ArrayList<AppOpsManager.PackageOps>(); |
| 167 | } |
| 168 | AppOpsManager.PackageOps resPackage = new AppOpsManager.PackageOps( |
| 169 | pkgOps.packageName, pkgOps.uid, resOps); |
| 170 | res.add(resPackage); |
| 171 | } |
| 172 | } |
| 173 | } |
| 174 | } |
| 175 | return res; |
| 176 | } |
| 177 | |
| 178 | @Override |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame^] | 179 | public List<AppOpsManager.PackageOps> getOpsForPackage(int uid, String packageName, |
| 180 | int[] ops) { |
| 181 | mContext.enforcePermission(android.Manifest.permission.GET_APP_OPS_STATS, |
| 182 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
| 183 | synchronized (this) { |
| 184 | Ops pkgOps = getOpsLocked(uid, packageName, false); |
| 185 | if (pkgOps == null) { |
| 186 | return null; |
| 187 | } |
| 188 | ArrayList<AppOpsManager.OpEntry> resOps = collectOps(pkgOps, ops); |
| 189 | if (resOps == null) { |
| 190 | return null; |
| 191 | } |
| 192 | ArrayList<AppOpsManager.PackageOps> res = new ArrayList<AppOpsManager.PackageOps>(); |
| 193 | AppOpsManager.PackageOps resPackage = new AppOpsManager.PackageOps( |
| 194 | pkgOps.packageName, pkgOps.uid, resOps); |
| 195 | res.add(resPackage); |
| 196 | return res; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | @Override |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 201 | public int checkOperation(int code, int uid, String packageName) { |
| 202 | uid = handleIncomingUid(uid); |
| 203 | synchronized (this) { |
| 204 | Op op = getOpLocked(code, uid, packageName, false); |
| 205 | if (op == null) { |
| 206 | return AppOpsManager.MODE_ALLOWED; |
| 207 | } |
| 208 | } |
| 209 | return AppOpsManager.MODE_ALLOWED; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | @Override |
| 213 | public int noteOperation(int code, int uid, String packageName) { |
| 214 | uid = handleIncomingUid(uid); |
| 215 | synchronized (this) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 216 | Op op = getOpLocked(code, uid, packageName, true); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 217 | if (op == null) { |
| 218 | return AppOpsManager.MODE_IGNORED; |
| 219 | } |
| 220 | if (op.duration == -1) { |
| 221 | Slog.w(TAG, "Noting op not finished: uid " + uid + " pkg " + packageName |
| 222 | + " code " + code + " time=" + op.time + " duration=" + op.duration); |
| 223 | } |
| 224 | op.time = System.currentTimeMillis(); |
| 225 | op.duration = 0; |
| 226 | } |
| 227 | return AppOpsManager.MODE_ALLOWED; |
| 228 | } |
| 229 | |
| 230 | @Override |
| 231 | public int startOperation(int code, int uid, String packageName) { |
| 232 | uid = handleIncomingUid(uid); |
| 233 | synchronized (this) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 234 | Op op = getOpLocked(code, uid, packageName, true); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 235 | if (op == null) { |
| 236 | return AppOpsManager.MODE_IGNORED; |
| 237 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 238 | if (op.nesting == 0) { |
| 239 | op.time = System.currentTimeMillis(); |
| 240 | op.duration = -1; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 241 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 242 | op.nesting++; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 243 | } |
| 244 | return AppOpsManager.MODE_ALLOWED; |
| 245 | } |
| 246 | |
| 247 | @Override |
| 248 | public void finishOperation(int code, int uid, String packageName) { |
| 249 | uid = handleIncomingUid(uid); |
| 250 | synchronized (this) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 251 | Op op = getOpLocked(code, uid, packageName, true); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 252 | if (op == null) { |
| 253 | return; |
| 254 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 255 | if (op.nesting <= 1) { |
| 256 | if (op.nesting == 1) { |
| 257 | op.duration = (int)(System.currentTimeMillis() - op.time); |
| 258 | } else { |
| 259 | Slog.w(TAG, "Finishing op nesting under-run: uid " + uid + " pkg " + packageName |
| 260 | + " code " + code + " time=" + op.time + " duration=" + op.duration |
| 261 | + " nesting=" + op.nesting); |
| 262 | } |
Dianne Hackborn | e799175 | 2013-01-16 17:56:46 -0800 | [diff] [blame] | 263 | op.nesting = 0; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 264 | } else { |
| 265 | op.nesting--; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 266 | } |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | private int handleIncomingUid(int uid) { |
| 271 | if (uid == Binder.getCallingUid()) { |
| 272 | return uid; |
| 273 | } |
| 274 | if (Binder.getCallingPid() == Process.myPid()) { |
| 275 | return uid; |
| 276 | } |
| 277 | mContext.enforcePermission(android.Manifest.permission.UPDATE_APP_OPS_STATS, |
| 278 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
| 279 | return uid; |
| 280 | } |
| 281 | |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame^] | 282 | private Ops getOpsLocked(int uid, String packageName, boolean edit) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 283 | HashMap<String, Ops> pkgOps = mUidOps.get(uid); |
| 284 | if (pkgOps == null) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 285 | if (!edit) { |
| 286 | return null; |
| 287 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 288 | pkgOps = new HashMap<String, Ops>(); |
| 289 | mUidOps.put(uid, pkgOps); |
| 290 | } |
| 291 | Ops ops = pkgOps.get(packageName); |
| 292 | if (ops == null) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 293 | if (!edit) { |
| 294 | return null; |
| 295 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 296 | // This is the first time we have seen this package name under this uid, |
| 297 | // so let's make sure it is valid. |
Dianne Hackborn | 002a54e | 2013-01-10 17:34:55 -0800 | [diff] [blame] | 298 | final long ident = Binder.clearCallingIdentity(); |
| 299 | try { |
| 300 | int pkgUid = -1; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 301 | try { |
Dianne Hackborn | 002a54e | 2013-01-10 17:34:55 -0800 | [diff] [blame] | 302 | pkgUid = mContext.getPackageManager().getPackageUid(packageName, |
| 303 | UserHandle.getUserId(uid)); |
| 304 | } catch (NameNotFoundException e) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 305 | } |
Dianne Hackborn | 002a54e | 2013-01-10 17:34:55 -0800 | [diff] [blame] | 306 | if (pkgUid != uid) { |
| 307 | // Oops! The package name is not valid for the uid they are calling |
| 308 | // under. Abort. |
| 309 | Slog.w(TAG, "Bad call: specified package " + packageName |
| 310 | + " under uid " + uid + " but it is really " + pkgUid); |
| 311 | return null; |
| 312 | } |
| 313 | } finally { |
| 314 | Binder.restoreCallingIdentity(ident); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 315 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 316 | ops = new Ops(packageName, uid); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 317 | pkgOps.put(packageName, ops); |
| 318 | } |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame^] | 319 | return ops; |
| 320 | } |
| 321 | |
| 322 | private Op getOpLocked(int code, int uid, String packageName, boolean edit) { |
| 323 | Ops ops = getOpsLocked(uid, packageName, edit); |
| 324 | if (ops == null) { |
| 325 | return null; |
| 326 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 327 | Op op = ops.get(code); |
| 328 | if (op == null) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 329 | if (!edit) { |
| 330 | return null; |
| 331 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 332 | op = new Op(code); |
| 333 | ops.put(code, op); |
| 334 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 335 | if (edit && !mWriteScheduled) { |
| 336 | mWriteScheduled = true; |
| 337 | mHandler.postDelayed(mWriteRunner, WRITE_DELAY); |
| 338 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 339 | return op; |
| 340 | } |
| 341 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 342 | void readState() { |
| 343 | synchronized (mFile) { |
| 344 | synchronized (this) { |
| 345 | FileInputStream stream; |
| 346 | try { |
| 347 | stream = mFile.openRead(); |
| 348 | } catch (FileNotFoundException e) { |
| 349 | Slog.i(TAG, "No existing app ops " + mFile.getBaseFile() + "; starting empty"); |
| 350 | return; |
| 351 | } |
| 352 | boolean success = false; |
| 353 | try { |
| 354 | XmlPullParser parser = Xml.newPullParser(); |
| 355 | parser.setInput(stream, null); |
| 356 | int type; |
| 357 | while ((type = parser.next()) != XmlPullParser.START_TAG |
| 358 | && type != XmlPullParser.END_DOCUMENT) { |
| 359 | ; |
| 360 | } |
| 361 | |
| 362 | if (type != XmlPullParser.START_TAG) { |
| 363 | throw new IllegalStateException("no start tag found"); |
| 364 | } |
| 365 | |
| 366 | int outerDepth = parser.getDepth(); |
| 367 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 368 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 369 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 370 | continue; |
| 371 | } |
| 372 | |
| 373 | String tagName = parser.getName(); |
| 374 | if (tagName.equals("pkg")) { |
| 375 | readPackage(parser); |
| 376 | } else { |
| 377 | Slog.w(TAG, "Unknown element under <app-ops>: " |
| 378 | + parser.getName()); |
| 379 | XmlUtils.skipCurrentTag(parser); |
| 380 | } |
| 381 | } |
| 382 | success = true; |
| 383 | } catch (IllegalStateException e) { |
| 384 | Slog.w(TAG, "Failed parsing " + e); |
| 385 | } catch (NullPointerException e) { |
| 386 | Slog.w(TAG, "Failed parsing " + e); |
| 387 | } catch (NumberFormatException e) { |
| 388 | Slog.w(TAG, "Failed parsing " + e); |
| 389 | } catch (XmlPullParserException e) { |
| 390 | Slog.w(TAG, "Failed parsing " + e); |
| 391 | } catch (IOException e) { |
| 392 | Slog.w(TAG, "Failed parsing " + e); |
| 393 | } catch (IndexOutOfBoundsException e) { |
| 394 | Slog.w(TAG, "Failed parsing " + e); |
| 395 | } finally { |
| 396 | if (!success) { |
| 397 | mUidOps.clear(); |
| 398 | } |
| 399 | try { |
| 400 | stream.close(); |
| 401 | } catch (IOException e) { |
| 402 | } |
| 403 | } |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | void readPackage(XmlPullParser parser) throws NumberFormatException, |
| 409 | XmlPullParserException, IOException { |
| 410 | String pkgName = parser.getAttributeValue(null, "n"); |
| 411 | int outerDepth = parser.getDepth(); |
| 412 | int type; |
| 413 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 414 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 415 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 416 | continue; |
| 417 | } |
| 418 | |
| 419 | String tagName = parser.getName(); |
| 420 | if (tagName.equals("uid")) { |
| 421 | readUid(parser, pkgName); |
| 422 | } else { |
| 423 | Slog.w(TAG, "Unknown element under <pkg>: " |
| 424 | + parser.getName()); |
| 425 | XmlUtils.skipCurrentTag(parser); |
| 426 | } |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | void readUid(XmlPullParser parser, String pkgName) throws NumberFormatException, |
| 431 | XmlPullParserException, IOException { |
| 432 | int uid = Integer.parseInt(parser.getAttributeValue(null, "n")); |
| 433 | int outerDepth = parser.getDepth(); |
| 434 | int type; |
| 435 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 436 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 437 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 438 | continue; |
| 439 | } |
| 440 | |
| 441 | String tagName = parser.getName(); |
| 442 | if (tagName.equals("op")) { |
| 443 | Op op = new Op(Integer.parseInt(parser.getAttributeValue(null, "n"))); |
| 444 | op.time = Long.parseLong(parser.getAttributeValue(null, "t")); |
| 445 | op.duration = Integer.parseInt(parser.getAttributeValue(null, "d")); |
| 446 | HashMap<String, Ops> pkgOps = mUidOps.get(uid); |
| 447 | if (pkgOps == null) { |
| 448 | pkgOps = new HashMap<String, Ops>(); |
| 449 | mUidOps.put(uid, pkgOps); |
| 450 | } |
| 451 | Ops ops = pkgOps.get(pkgName); |
| 452 | if (ops == null) { |
| 453 | ops = new Ops(pkgName, uid); |
| 454 | pkgOps.put(pkgName, ops); |
| 455 | } |
| 456 | ops.put(op.op, op); |
| 457 | } else { |
| 458 | Slog.w(TAG, "Unknown element under <pkg>: " |
| 459 | + parser.getName()); |
| 460 | XmlUtils.skipCurrentTag(parser); |
| 461 | } |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | void writeState() { |
| 466 | synchronized (mFile) { |
| 467 | List<AppOpsManager.PackageOps> allOps = getPackagesForOps(null); |
| 468 | |
| 469 | FileOutputStream stream; |
| 470 | try { |
| 471 | stream = mFile.startWrite(); |
| 472 | } catch (IOException e) { |
| 473 | Slog.w(TAG, "Failed to write state: " + e); |
| 474 | return; |
| 475 | } |
| 476 | |
| 477 | try { |
| 478 | XmlSerializer out = new FastXmlSerializer(); |
| 479 | out.setOutput(stream, "utf-8"); |
| 480 | out.startDocument(null, true); |
| 481 | out.startTag(null, "app-ops"); |
| 482 | |
| 483 | if (allOps != null) { |
| 484 | String lastPkg = null; |
| 485 | for (int i=0; i<allOps.size(); i++) { |
| 486 | AppOpsManager.PackageOps pkg = allOps.get(i); |
| 487 | if (!pkg.getPackageName().equals(lastPkg)) { |
| 488 | if (lastPkg != null) { |
| 489 | out.endTag(null, "pkg"); |
| 490 | } |
| 491 | lastPkg = pkg.getPackageName(); |
| 492 | out.startTag(null, "pkg"); |
| 493 | out.attribute(null, "n", lastPkg); |
| 494 | } |
| 495 | out.startTag(null, "uid"); |
| 496 | out.attribute(null, "n", Integer.toString(pkg.getUid())); |
| 497 | List<AppOpsManager.OpEntry> ops = pkg.getOps(); |
| 498 | for (int j=0; j<ops.size(); j++) { |
| 499 | AppOpsManager.OpEntry op = ops.get(j); |
| 500 | out.startTag(null, "op"); |
| 501 | out.attribute(null, "n", Integer.toString(op.getOp())); |
| 502 | out.attribute(null, "t", Long.toString(op.getTime())); |
| 503 | out.attribute(null, "d", Integer.toString(op.getDuration())); |
| 504 | out.endTag(null, "op"); |
| 505 | } |
| 506 | out.endTag(null, "uid"); |
| 507 | } |
| 508 | if (lastPkg != null) { |
| 509 | out.endTag(null, "pkg"); |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | out.endTag(null, "app-ops"); |
| 514 | out.endDocument(); |
| 515 | mFile.finishWrite(stream); |
| 516 | } catch (IOException e) { |
| 517 | Slog.w(TAG, "Failed to write state, restoring backup.", e); |
| 518 | mFile.failWrite(stream); |
| 519 | } |
| 520 | } |
| 521 | } |
| 522 | |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 523 | @Override |
| 524 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 525 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 526 | != PackageManager.PERMISSION_GRANTED) { |
| 527 | pw.println("Permission Denial: can't dump ApOps service from from pid=" |
| 528 | + Binder.getCallingPid() |
| 529 | + ", uid=" + Binder.getCallingUid()); |
| 530 | return; |
| 531 | } |
| 532 | |
| 533 | synchronized (this) { |
| 534 | pw.println("Current AppOps Service state:"); |
| 535 | for (int i=0; i<mUidOps.size(); i++) { |
| 536 | pw.print(" Uid "); UserHandle.formatUid(pw, mUidOps.keyAt(i)); pw.println(":"); |
| 537 | HashMap<String, Ops> pkgOps = mUidOps.valueAt(i); |
| 538 | for (Ops ops : pkgOps.values()) { |
| 539 | pw.print(" Package "); pw.print(ops.packageName); pw.println(":"); |
| 540 | for (int j=0; j<ops.size(); j++) { |
| 541 | Op op = ops.valueAt(j); |
| 542 | pw.print(" "); pw.print(AppOpsManager.opToString(op.op)); |
| 543 | pw.print(": time="); |
| 544 | TimeUtils.formatDuration(System.currentTimeMillis()-op.time, pw); |
| 545 | pw.print(" ago"); |
| 546 | if (op.duration == -1) { |
| 547 | pw.println(" (running)"); |
| 548 | } else { |
| 549 | pw.print("; duration="); |
| 550 | TimeUtils.formatDuration(op.duration, pw); |
| 551 | pw.println(); |
| 552 | } |
| 553 | } |
| 554 | } |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | } |