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; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 41 | import android.util.Log; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 42 | import android.util.Slog; |
| 43 | import android.util.SparseArray; |
| 44 | import android.util.TimeUtils; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 45 | import android.util.Xml; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 46 | |
| 47 | import com.android.internal.app.IAppOpsService; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 48 | import com.android.internal.util.FastXmlSerializer; |
| 49 | import com.android.internal.util.XmlUtils; |
| 50 | |
| 51 | import org.xmlpull.v1.XmlPullParser; |
| 52 | import org.xmlpull.v1.XmlPullParserException; |
| 53 | import org.xmlpull.v1.XmlSerializer; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 54 | |
| 55 | public class AppOpsService extends IAppOpsService.Stub { |
| 56 | static final String TAG = "AppOps"; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 57 | static final boolean DEBUG = false; |
| 58 | |
| 59 | // Write at most every 30 minutes. |
| 60 | static final long WRITE_DELAY = DEBUG ? 1000 : 30*60*1000; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 61 | |
| 62 | Context mContext; |
| 63 | final AtomicFile mFile; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 64 | final Handler mHandler; |
| 65 | |
| 66 | boolean mWriteScheduled; |
| 67 | final Runnable mWriteRunner = new Runnable() { |
| 68 | public void run() { |
| 69 | synchronized (AppOpsService.this) { |
| 70 | mWriteScheduled = false; |
| 71 | AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() { |
| 72 | @Override protected Void doInBackground(Void... params) { |
| 73 | writeState(); |
| 74 | return null; |
| 75 | } |
| 76 | }; |
| 77 | task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void[])null); |
| 78 | } |
| 79 | } |
| 80 | }; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 81 | |
| 82 | final SparseArray<HashMap<String, Ops>> mUidOps |
| 83 | = new SparseArray<HashMap<String, Ops>>(); |
| 84 | |
| 85 | final static class Ops extends SparseArray<Op> { |
| 86 | public final String packageName; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 87 | public final int uid; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 88 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 89 | public Ops(String _packageName, int _uid) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 90 | packageName = _packageName; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 91 | uid = _uid; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 92 | } |
| 93 | } |
| 94 | |
| 95 | final static class Op { |
| 96 | public final int op; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 97 | public int mode; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 98 | public int duration; |
| 99 | public long time; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 100 | public long rejectTime; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 101 | public int nesting; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 102 | |
| 103 | public Op(int _op) { |
| 104 | op = _op; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 105 | mode = AppOpsManager.MODE_ALLOWED; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 106 | } |
| 107 | } |
| 108 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 109 | public AppOpsService(File storagePath) { |
| 110 | mFile = new AtomicFile(storagePath); |
| 111 | mHandler = new Handler(); |
| 112 | readState(); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | public void publish(Context context) { |
| 116 | mContext = context; |
| 117 | ServiceManager.addService(Context.APP_OPS_SERVICE, asBinder()); |
| 118 | } |
| 119 | |
| 120 | public void shutdown() { |
| 121 | Slog.w(TAG, "Writing app ops before shutdown..."); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 122 | boolean doWrite = false; |
| 123 | synchronized (this) { |
| 124 | if (mWriteScheduled) { |
| 125 | mWriteScheduled = false; |
| 126 | doWrite = true; |
| 127 | } |
| 128 | } |
| 129 | if (doWrite) { |
| 130 | writeState(); |
| 131 | } |
| 132 | } |
| 133 | |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 134 | private ArrayList<AppOpsManager.OpEntry> collectOps(Ops pkgOps, int[] ops) { |
| 135 | ArrayList<AppOpsManager.OpEntry> resOps = null; |
| 136 | if (ops == null) { |
| 137 | resOps = new ArrayList<AppOpsManager.OpEntry>(); |
| 138 | for (int j=0; j<pkgOps.size(); j++) { |
| 139 | Op curOp = pkgOps.valueAt(j); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 140 | resOps.add(new AppOpsManager.OpEntry(curOp.op, curOp.mode, curOp.time, |
| 141 | curOp.rejectTime, curOp.duration)); |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 142 | } |
| 143 | } else { |
| 144 | for (int j=0; j<ops.length; j++) { |
| 145 | Op curOp = pkgOps.get(ops[j]); |
| 146 | if (curOp != null) { |
| 147 | if (resOps == null) { |
| 148 | resOps = new ArrayList<AppOpsManager.OpEntry>(); |
| 149 | } |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 150 | resOps.add(new AppOpsManager.OpEntry(curOp.op, curOp.mode, curOp.time, |
| 151 | curOp.rejectTime, curOp.duration)); |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 152 | } |
| 153 | } |
| 154 | } |
| 155 | return resOps; |
| 156 | } |
| 157 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 158 | @Override |
| 159 | public List<AppOpsManager.PackageOps> getPackagesForOps(int[] ops) { |
| 160 | mContext.enforcePermission(android.Manifest.permission.GET_APP_OPS_STATS, |
| 161 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
| 162 | ArrayList<AppOpsManager.PackageOps> res = null; |
| 163 | synchronized (this) { |
| 164 | for (int i=0; i<mUidOps.size(); i++) { |
| 165 | HashMap<String, Ops> packages = mUidOps.valueAt(i); |
| 166 | for (Ops pkgOps : packages.values()) { |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 167 | ArrayList<AppOpsManager.OpEntry> resOps = collectOps(pkgOps, ops); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 168 | if (resOps != null) { |
| 169 | if (res == null) { |
| 170 | res = new ArrayList<AppOpsManager.PackageOps>(); |
| 171 | } |
| 172 | AppOpsManager.PackageOps resPackage = new AppOpsManager.PackageOps( |
| 173 | pkgOps.packageName, pkgOps.uid, resOps); |
| 174 | res.add(resPackage); |
| 175 | } |
| 176 | } |
| 177 | } |
| 178 | } |
| 179 | return res; |
| 180 | } |
| 181 | |
| 182 | @Override |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 183 | public List<AppOpsManager.PackageOps> getOpsForPackage(int uid, String packageName, |
| 184 | int[] ops) { |
| 185 | mContext.enforcePermission(android.Manifest.permission.GET_APP_OPS_STATS, |
| 186 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
| 187 | synchronized (this) { |
| 188 | Ops pkgOps = getOpsLocked(uid, packageName, false); |
| 189 | if (pkgOps == null) { |
| 190 | return null; |
| 191 | } |
| 192 | ArrayList<AppOpsManager.OpEntry> resOps = collectOps(pkgOps, ops); |
| 193 | if (resOps == null) { |
| 194 | return null; |
| 195 | } |
| 196 | ArrayList<AppOpsManager.PackageOps> res = new ArrayList<AppOpsManager.PackageOps>(); |
| 197 | AppOpsManager.PackageOps resPackage = new AppOpsManager.PackageOps( |
| 198 | pkgOps.packageName, pkgOps.uid, resOps); |
| 199 | res.add(resPackage); |
| 200 | return res; |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | @Override |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 205 | public void setMode(int code, int uid, String packageName, int mode) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 206 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame^] | 207 | verifyIncomingOp(code); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 208 | synchronized (this) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 209 | Op op = getOpLocked(AppOpsManager.opToSwitch(code), uid, packageName, true); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 210 | if (op != null) { |
| 211 | if (op.mode != mode) { |
| 212 | op.mode = mode; |
| 213 | scheduleWriteNowLocked(); |
| 214 | } |
| 215 | } |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | @Override |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 220 | public int checkOperation(int code, int uid, String packageName) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 221 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame^] | 222 | verifyIncomingOp(code); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 223 | synchronized (this) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 224 | Op op = getOpLocked(AppOpsManager.opToSwitch(code), uid, packageName, false); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 225 | if (op == null) { |
| 226 | return AppOpsManager.MODE_ALLOWED; |
| 227 | } |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 228 | return op.mode; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 229 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | @Override |
| 233 | public int noteOperation(int code, int uid, String packageName) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 234 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame^] | 235 | verifyIncomingOp(code); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 236 | synchronized (this) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 237 | Ops ops = getOpsLocked(uid, packageName, true); |
| 238 | if (ops == null) { |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 239 | if (DEBUG) Log.d(TAG, "noteOperation: no op for code " + code + " uid " + uid |
| 240 | + " package " + packageName); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 241 | return AppOpsManager.MODE_IGNORED; |
| 242 | } |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 243 | Op op = getOpLocked(ops, code, true); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 244 | if (op.duration == -1) { |
| 245 | Slog.w(TAG, "Noting op not finished: uid " + uid + " pkg " + packageName |
| 246 | + " code " + code + " time=" + op.time + " duration=" + op.duration); |
| 247 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 248 | op.duration = 0; |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 249 | final int switchCode = AppOpsManager.opToSwitch(code); |
| 250 | final Op switchOp = switchCode != code ? getOpLocked(ops, switchCode, true) : op; |
| 251 | if (switchOp.mode != AppOpsManager.MODE_ALLOWED) { |
| 252 | if (DEBUG) Log.d(TAG, "noteOperation: reject #" + op.mode + " for code " |
| 253 | + switchCode + " (" + code + ") uid " + uid + " package " + packageName); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 254 | op.rejectTime = System.currentTimeMillis(); |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 255 | return switchOp.mode; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 256 | } |
| 257 | if (DEBUG) Log.d(TAG, "noteOperation: allowing code " + code + " uid " + uid |
| 258 | + " package " + packageName); |
| 259 | op.time = System.currentTimeMillis(); |
| 260 | return AppOpsManager.MODE_ALLOWED; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 261 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 262 | } |
| 263 | |
| 264 | @Override |
| 265 | public int startOperation(int code, int uid, String packageName) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 266 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame^] | 267 | verifyIncomingOp(code); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 268 | synchronized (this) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 269 | Ops ops = getOpsLocked(uid, packageName, true); |
| 270 | if (ops == null) { |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 271 | if (DEBUG) Log.d(TAG, "startOperation: no op for code " + code + " uid " + uid |
| 272 | + " package " + packageName); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 273 | return AppOpsManager.MODE_IGNORED; |
| 274 | } |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 275 | Op op = getOpLocked(ops, code, true); |
| 276 | final int switchCode = AppOpsManager.opToSwitch(code); |
| 277 | final Op switchOp = switchCode != code ? getOpLocked(ops, switchCode, true) : op; |
| 278 | if (switchOp.mode != AppOpsManager.MODE_ALLOWED) { |
| 279 | if (DEBUG) Log.d(TAG, "startOperation: reject #" + op.mode + " for code " |
| 280 | + switchCode + " (" + code + ") uid " + uid + " package " + packageName); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 281 | op.rejectTime = System.currentTimeMillis(); |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 282 | return switchOp.mode; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 283 | } |
| 284 | if (DEBUG) Log.d(TAG, "startOperation: allowing code " + code + " uid " + uid |
| 285 | + " package " + packageName); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 286 | if (op.nesting == 0) { |
| 287 | op.time = System.currentTimeMillis(); |
| 288 | op.duration = -1; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 289 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 290 | op.nesting++; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 291 | return AppOpsManager.MODE_ALLOWED; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 292 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | @Override |
| 296 | public void finishOperation(int code, int uid, String packageName) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 297 | verifyIncomingUid(uid); |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame^] | 298 | verifyIncomingOp(code); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 299 | synchronized (this) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 300 | Op op = getOpLocked(code, uid, packageName, true); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 301 | if (op == null) { |
| 302 | return; |
| 303 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 304 | if (op.nesting <= 1) { |
| 305 | if (op.nesting == 1) { |
| 306 | op.duration = (int)(System.currentTimeMillis() - op.time); |
| 307 | } else { |
| 308 | Slog.w(TAG, "Finishing op nesting under-run: uid " + uid + " pkg " + packageName |
| 309 | + " code " + code + " time=" + op.time + " duration=" + op.duration |
| 310 | + " nesting=" + op.nesting); |
| 311 | } |
Dianne Hackborn | e799175 | 2013-01-16 17:56:46 -0800 | [diff] [blame] | 312 | op.nesting = 0; |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 313 | } else { |
| 314 | op.nesting--; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 315 | } |
| 316 | } |
| 317 | } |
| 318 | |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 319 | private void verifyIncomingUid(int uid) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 320 | if (uid == Binder.getCallingUid()) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 321 | return; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 322 | } |
| 323 | if (Binder.getCallingPid() == Process.myPid()) { |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 324 | return; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 325 | } |
| 326 | mContext.enforcePermission(android.Manifest.permission.UPDATE_APP_OPS_STATS, |
| 327 | Binder.getCallingPid(), Binder.getCallingUid(), null); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 328 | } |
| 329 | |
Dianne Hackborn | 961321f | 2013-02-05 17:22:41 -0800 | [diff] [blame^] | 330 | private void verifyIncomingOp(int op) { |
| 331 | if (op >= 0 && op < AppOpsManager._NUM_OP) { |
| 332 | return; |
| 333 | } |
| 334 | throw new IllegalArgumentException("Bad operation #" + op); |
| 335 | } |
| 336 | |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 337 | private Ops getOpsLocked(int uid, String packageName, boolean edit) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 338 | HashMap<String, Ops> pkgOps = mUidOps.get(uid); |
| 339 | if (pkgOps == null) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 340 | if (!edit) { |
| 341 | return null; |
| 342 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 343 | pkgOps = new HashMap<String, Ops>(); |
| 344 | mUidOps.put(uid, pkgOps); |
| 345 | } |
| 346 | Ops ops = pkgOps.get(packageName); |
| 347 | if (ops == null) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 348 | if (!edit) { |
| 349 | return null; |
| 350 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 351 | // This is the first time we have seen this package name under this uid, |
| 352 | // so let's make sure it is valid. |
Dianne Hackborn | 002a54e | 2013-01-10 17:34:55 -0800 | [diff] [blame] | 353 | final long ident = Binder.clearCallingIdentity(); |
| 354 | try { |
| 355 | int pkgUid = -1; |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 356 | try { |
Dianne Hackborn | 002a54e | 2013-01-10 17:34:55 -0800 | [diff] [blame] | 357 | pkgUid = mContext.getPackageManager().getPackageUid(packageName, |
| 358 | UserHandle.getUserId(uid)); |
| 359 | } catch (NameNotFoundException e) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 360 | } |
Dianne Hackborn | 002a54e | 2013-01-10 17:34:55 -0800 | [diff] [blame] | 361 | if (pkgUid != uid) { |
| 362 | // Oops! The package name is not valid for the uid they are calling |
| 363 | // under. Abort. |
| 364 | Slog.w(TAG, "Bad call: specified package " + packageName |
| 365 | + " under uid " + uid + " but it is really " + pkgUid); |
| 366 | return null; |
| 367 | } |
| 368 | } finally { |
| 369 | Binder.restoreCallingIdentity(ident); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 370 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 371 | ops = new Ops(packageName, uid); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 372 | pkgOps.put(packageName, ops); |
| 373 | } |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 374 | return ops; |
| 375 | } |
| 376 | |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 377 | private void scheduleWriteLocked() { |
| 378 | if (!mWriteScheduled) { |
| 379 | mWriteScheduled = true; |
| 380 | mHandler.postDelayed(mWriteRunner, WRITE_DELAY); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | private void scheduleWriteNowLocked() { |
| 385 | if (!mWriteScheduled) { |
| 386 | mWriteScheduled = true; |
| 387 | } |
| 388 | mHandler.removeCallbacks(mWriteRunner); |
| 389 | mHandler.post(mWriteRunner); |
| 390 | } |
| 391 | |
Dianne Hackborn | 72e3983 | 2013-01-18 18:36:09 -0800 | [diff] [blame] | 392 | private Op getOpLocked(int code, int uid, String packageName, boolean edit) { |
| 393 | Ops ops = getOpsLocked(uid, packageName, edit); |
| 394 | if (ops == null) { |
| 395 | return null; |
| 396 | } |
Dianne Hackborn | f265ea9 | 2013-01-31 15:00:51 -0800 | [diff] [blame] | 397 | return getOpLocked(ops, code, edit); |
| 398 | } |
| 399 | |
| 400 | private Op getOpLocked(Ops ops, int code, boolean edit) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 401 | Op op = ops.get(code); |
| 402 | if (op == null) { |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 403 | if (!edit) { |
| 404 | return null; |
| 405 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 406 | op = new Op(code); |
| 407 | ops.put(code, op); |
| 408 | } |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 409 | if (edit) { |
| 410 | scheduleWriteLocked(); |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 411 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 412 | return op; |
| 413 | } |
| 414 | |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 415 | void readState() { |
| 416 | synchronized (mFile) { |
| 417 | synchronized (this) { |
| 418 | FileInputStream stream; |
| 419 | try { |
| 420 | stream = mFile.openRead(); |
| 421 | } catch (FileNotFoundException e) { |
| 422 | Slog.i(TAG, "No existing app ops " + mFile.getBaseFile() + "; starting empty"); |
| 423 | return; |
| 424 | } |
| 425 | boolean success = false; |
| 426 | try { |
| 427 | XmlPullParser parser = Xml.newPullParser(); |
| 428 | parser.setInput(stream, null); |
| 429 | int type; |
| 430 | while ((type = parser.next()) != XmlPullParser.START_TAG |
| 431 | && type != XmlPullParser.END_DOCUMENT) { |
| 432 | ; |
| 433 | } |
| 434 | |
| 435 | if (type != XmlPullParser.START_TAG) { |
| 436 | throw new IllegalStateException("no start tag found"); |
| 437 | } |
| 438 | |
| 439 | int outerDepth = parser.getDepth(); |
| 440 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 441 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 442 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 443 | continue; |
| 444 | } |
| 445 | |
| 446 | String tagName = parser.getName(); |
| 447 | if (tagName.equals("pkg")) { |
| 448 | readPackage(parser); |
| 449 | } else { |
| 450 | Slog.w(TAG, "Unknown element under <app-ops>: " |
| 451 | + parser.getName()); |
| 452 | XmlUtils.skipCurrentTag(parser); |
| 453 | } |
| 454 | } |
| 455 | success = true; |
| 456 | } catch (IllegalStateException e) { |
| 457 | Slog.w(TAG, "Failed parsing " + e); |
| 458 | } catch (NullPointerException e) { |
| 459 | Slog.w(TAG, "Failed parsing " + e); |
| 460 | } catch (NumberFormatException e) { |
| 461 | Slog.w(TAG, "Failed parsing " + e); |
| 462 | } catch (XmlPullParserException e) { |
| 463 | Slog.w(TAG, "Failed parsing " + e); |
| 464 | } catch (IOException e) { |
| 465 | Slog.w(TAG, "Failed parsing " + e); |
| 466 | } catch (IndexOutOfBoundsException e) { |
| 467 | Slog.w(TAG, "Failed parsing " + e); |
| 468 | } finally { |
| 469 | if (!success) { |
| 470 | mUidOps.clear(); |
| 471 | } |
| 472 | try { |
| 473 | stream.close(); |
| 474 | } catch (IOException e) { |
| 475 | } |
| 476 | } |
| 477 | } |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | void readPackage(XmlPullParser parser) throws NumberFormatException, |
| 482 | XmlPullParserException, IOException { |
| 483 | String pkgName = parser.getAttributeValue(null, "n"); |
| 484 | int outerDepth = parser.getDepth(); |
| 485 | int type; |
| 486 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 487 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 488 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 489 | continue; |
| 490 | } |
| 491 | |
| 492 | String tagName = parser.getName(); |
| 493 | if (tagName.equals("uid")) { |
| 494 | readUid(parser, pkgName); |
| 495 | } else { |
| 496 | Slog.w(TAG, "Unknown element under <pkg>: " |
| 497 | + parser.getName()); |
| 498 | XmlUtils.skipCurrentTag(parser); |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | void readUid(XmlPullParser parser, String pkgName) throws NumberFormatException, |
| 504 | XmlPullParserException, IOException { |
| 505 | int uid = Integer.parseInt(parser.getAttributeValue(null, "n")); |
| 506 | int outerDepth = parser.getDepth(); |
| 507 | int type; |
| 508 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 509 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 510 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 511 | continue; |
| 512 | } |
| 513 | |
| 514 | String tagName = parser.getName(); |
| 515 | if (tagName.equals("op")) { |
| 516 | Op op = new Op(Integer.parseInt(parser.getAttributeValue(null, "n"))); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 517 | String mode = parser.getAttributeValue(null, "m"); |
| 518 | if (mode != null) { |
| 519 | op.mode = Integer.parseInt(mode); |
| 520 | } |
| 521 | String time = parser.getAttributeValue(null, "t"); |
| 522 | if (time != null) { |
| 523 | op.time = Long.parseLong(time); |
| 524 | } |
| 525 | time = parser.getAttributeValue(null, "r"); |
| 526 | if (time != null) { |
| 527 | op.rejectTime = Long.parseLong(time); |
| 528 | } |
| 529 | String dur = parser.getAttributeValue(null, "d"); |
| 530 | if (dur != null) { |
| 531 | op.duration = Integer.parseInt(dur); |
| 532 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 533 | HashMap<String, Ops> pkgOps = mUidOps.get(uid); |
| 534 | if (pkgOps == null) { |
| 535 | pkgOps = new HashMap<String, Ops>(); |
| 536 | mUidOps.put(uid, pkgOps); |
| 537 | } |
| 538 | Ops ops = pkgOps.get(pkgName); |
| 539 | if (ops == null) { |
| 540 | ops = new Ops(pkgName, uid); |
| 541 | pkgOps.put(pkgName, ops); |
| 542 | } |
| 543 | ops.put(op.op, op); |
| 544 | } else { |
| 545 | Slog.w(TAG, "Unknown element under <pkg>: " |
| 546 | + parser.getName()); |
| 547 | XmlUtils.skipCurrentTag(parser); |
| 548 | } |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | void writeState() { |
| 553 | synchronized (mFile) { |
| 554 | List<AppOpsManager.PackageOps> allOps = getPackagesForOps(null); |
| 555 | |
| 556 | FileOutputStream stream; |
| 557 | try { |
| 558 | stream = mFile.startWrite(); |
| 559 | } catch (IOException e) { |
| 560 | Slog.w(TAG, "Failed to write state: " + e); |
| 561 | return; |
| 562 | } |
| 563 | |
| 564 | try { |
| 565 | XmlSerializer out = new FastXmlSerializer(); |
| 566 | out.setOutput(stream, "utf-8"); |
| 567 | out.startDocument(null, true); |
| 568 | out.startTag(null, "app-ops"); |
| 569 | |
| 570 | if (allOps != null) { |
| 571 | String lastPkg = null; |
| 572 | for (int i=0; i<allOps.size(); i++) { |
| 573 | AppOpsManager.PackageOps pkg = allOps.get(i); |
| 574 | if (!pkg.getPackageName().equals(lastPkg)) { |
| 575 | if (lastPkg != null) { |
| 576 | out.endTag(null, "pkg"); |
| 577 | } |
| 578 | lastPkg = pkg.getPackageName(); |
| 579 | out.startTag(null, "pkg"); |
| 580 | out.attribute(null, "n", lastPkg); |
| 581 | } |
| 582 | out.startTag(null, "uid"); |
| 583 | out.attribute(null, "n", Integer.toString(pkg.getUid())); |
| 584 | List<AppOpsManager.OpEntry> ops = pkg.getOps(); |
| 585 | for (int j=0; j<ops.size(); j++) { |
| 586 | AppOpsManager.OpEntry op = ops.get(j); |
| 587 | out.startTag(null, "op"); |
| 588 | out.attribute(null, "n", Integer.toString(op.getOp())); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 589 | if (op.getMode() != AppOpsManager.MODE_ALLOWED) { |
| 590 | out.attribute(null, "m", Integer.toString(op.getMode())); |
| 591 | } |
| 592 | long time = op.getTime(); |
| 593 | if (time != 0) { |
| 594 | out.attribute(null, "t", Long.toString(time)); |
| 595 | } |
| 596 | time = op.getRejectTime(); |
| 597 | if (time != 0) { |
| 598 | out.attribute(null, "r", Long.toString(time)); |
| 599 | } |
| 600 | int dur = op.getDuration(); |
| 601 | if (dur != 0) { |
| 602 | out.attribute(null, "d", Integer.toString(dur)); |
| 603 | } |
Dianne Hackborn | 35654b6 | 2013-01-14 17:38:02 -0800 | [diff] [blame] | 604 | out.endTag(null, "op"); |
| 605 | } |
| 606 | out.endTag(null, "uid"); |
| 607 | } |
| 608 | if (lastPkg != null) { |
| 609 | out.endTag(null, "pkg"); |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | out.endTag(null, "app-ops"); |
| 614 | out.endDocument(); |
| 615 | mFile.finishWrite(stream); |
| 616 | } catch (IOException e) { |
| 617 | Slog.w(TAG, "Failed to write state, restoring backup.", e); |
| 618 | mFile.failWrite(stream); |
| 619 | } |
| 620 | } |
| 621 | } |
| 622 | |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 623 | @Override |
| 624 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 625 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 626 | != PackageManager.PERMISSION_GRANTED) { |
| 627 | pw.println("Permission Denial: can't dump ApOps service from from pid=" |
| 628 | + Binder.getCallingPid() |
| 629 | + ", uid=" + Binder.getCallingUid()); |
| 630 | return; |
| 631 | } |
| 632 | |
| 633 | synchronized (this) { |
| 634 | pw.println("Current AppOps Service state:"); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 635 | final long now = System.currentTimeMillis(); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 636 | for (int i=0; i<mUidOps.size(); i++) { |
| 637 | pw.print(" Uid "); UserHandle.formatUid(pw, mUidOps.keyAt(i)); pw.println(":"); |
| 638 | HashMap<String, Ops> pkgOps = mUidOps.valueAt(i); |
| 639 | for (Ops ops : pkgOps.values()) { |
| 640 | pw.print(" Package "); pw.print(ops.packageName); pw.println(":"); |
| 641 | for (int j=0; j<ops.size(); j++) { |
| 642 | Op op = ops.valueAt(j); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 643 | pw.print(" "); pw.print(AppOpsManager.opToName(op.op)); |
| 644 | pw.print(": mode="); pw.print(op.mode); |
| 645 | if (op.time != 0) { |
| 646 | pw.print("; time="); TimeUtils.formatDuration(now-op.time, pw); |
| 647 | pw.print(" ago"); |
| 648 | } |
| 649 | if (op.rejectTime != 0) { |
| 650 | pw.print("; rejectTime="); TimeUtils.formatDuration(now-op.rejectTime, pw); |
| 651 | pw.print(" ago"); |
| 652 | } |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 653 | if (op.duration == -1) { |
| 654 | pw.println(" (running)"); |
| 655 | } else { |
| 656 | pw.print("; duration="); |
| 657 | TimeUtils.formatDuration(op.duration, pw); |
| 658 | pw.println(); |
| 659 | } |
| 660 | } |
| 661 | } |
| 662 | } |
| 663 | } |
| 664 | } |
| 665 | } |