1 /*
2  * Copyright (C) 2006 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.am;
18 
19 import android.app.AppOpsManager;
20 import android.app.BroadcastOptions;
21 import android.content.IIntentReceiver;
22 import android.content.ComponentName;
23 import android.content.Intent;
24 import android.content.pm.ActivityInfo;
25 import android.content.pm.ResolveInfo;
26 import android.os.Binder;
27 import android.os.Bundle;
28 import android.os.IBinder;
29 import android.os.SystemClock;
30 import android.os.UserHandle;
31 import android.util.PrintWriterPrinter;
32 import android.util.TimeUtils;
33 
34 import java.io.PrintWriter;
35 import java.text.SimpleDateFormat;
36 import java.util.Arrays;
37 import java.util.Date;
38 import java.util.List;
39 import java.util.Set;
40 
41 /**
42  * An active intent broadcast.
43  */
44 final class BroadcastRecord extends Binder {
45     final Intent intent;    // the original intent that generated us
46     final ComponentName targetComp; // original component name set on the intent
47     final ProcessRecord callerApp; // process that sent this
48     final String callerPackage; // who sent this
49     final int callingPid;   // the pid of who sent this
50     final int callingUid;   // the uid of who sent this
51     final boolean callerInstantApp; // caller is an Instant App?
52     final boolean ordered;  // serialize the send to receivers?
53     final boolean sticky;   // originated from existing sticky data?
54     final boolean initialSticky; // initial broadcast from register to sticky?
55     final int userId;       // user id this broadcast was for
56     final String resolvedType; // the resolved data type
57     final String[] requiredPermissions; // permissions the caller has required
58     final int appOp;        // an app op that is associated with this broadcast
59     final BroadcastOptions options; // BroadcastOptions supplied by caller
60     final List receivers;   // contains BroadcastFilter and ResolveInfo
61     final int[] delivery;   // delivery state of each receiver
62     IIntentReceiver resultTo; // who receives final result if non-null
63     long enqueueClockTime;  // the clock time the broadcast was enqueued
64     long dispatchTime;      // when dispatch started on this set of receivers
65     long dispatchClockTime; // the clock time the dispatch started
66     long receiverTime;      // when current receiver started for timeouts.
67     long finishTime;        // when we finished the broadcast.
68     int resultCode;         // current result code value.
69     String resultData;      // current result data value.
70     Bundle resultExtras;    // current result extra data values.
71     boolean resultAbort;    // current result abortBroadcast value.
72     int nextReceiver;       // next receiver to be executed.
73     IBinder receiver;       // who is currently running, null if none.
74     int state;
75     int anrCount;           // has this broadcast record hit any ANRs?
76     int manifestCount;      // number of manifest receivers dispatched.
77     int manifestSkipCount;  // number of manifest receivers skipped.
78     BroadcastQueue queue;   // the outbound queue handling this broadcast
79 
80     static final int IDLE = 0;
81     static final int APP_RECEIVE = 1;
82     static final int CALL_IN_RECEIVE = 2;
83     static final int CALL_DONE_RECEIVE = 3;
84     static final int WAITING_SERVICES = 4;
85 
86     static final int DELIVERY_PENDING = 0;
87     static final int DELIVERY_DELIVERED = 1;
88     static final int DELIVERY_SKIPPED = 2;
89     static final int DELIVERY_TIMEOUT = 3;
90 
91     // The following are set when we are calling a receiver (one that
92     // was found in our list of registered receivers).
93     BroadcastFilter curFilter;
94 
95     // The following are set only when we are launching a receiver (one
96     // that was found by querying the package manager).
97     ProcessRecord curApp;       // hosting application of current receiver.
98     ComponentName curComponent; // the receiver class that is currently running.
99     ActivityInfo curReceiver;   // info about the receiver that is currently running.
100 
dump(PrintWriter pw, String prefix, SimpleDateFormat sdf)101     void dump(PrintWriter pw, String prefix, SimpleDateFormat sdf) {
102         final long now = SystemClock.uptimeMillis();
103 
104         pw.print(prefix); pw.print(this); pw.print(" to user "); pw.println(userId);
105         pw.print(prefix); pw.println(intent.toInsecureString());
106         if (targetComp != null && targetComp != intent.getComponent()) {
107             pw.print(prefix); pw.print("  targetComp: "); pw.println(targetComp.toShortString());
108         }
109         Bundle bundle = intent.getExtras();
110         if (bundle != null) {
111             pw.print(prefix); pw.print("  extras: "); pw.println(bundle.toString());
112         }
113         pw.print(prefix); pw.print("caller="); pw.print(callerPackage); pw.print(" ");
114                 pw.print(callerApp != null ? callerApp.toShortString() : "null");
115                 pw.print(" pid="); pw.print(callingPid);
116                 pw.print(" uid="); pw.println(callingUid);
117         if ((requiredPermissions != null && requiredPermissions.length > 0)
118                 || appOp != AppOpsManager.OP_NONE) {
119             pw.print(prefix); pw.print("requiredPermissions=");
120             pw.print(Arrays.toString(requiredPermissions));
121             pw.print("  appOp="); pw.println(appOp);
122         }
123         if (options != null) {
124             pw.print(prefix); pw.print("options="); pw.println(options.toBundle());
125         }
126         pw.print(prefix); pw.print("enqueueClockTime=");
127                 pw.print(sdf.format(new Date(enqueueClockTime)));
128                 pw.print(" dispatchClockTime=");
129                 pw.println(sdf.format(new Date(dispatchClockTime)));
130         pw.print(prefix); pw.print("dispatchTime=");
131                 TimeUtils.formatDuration(dispatchTime, now, pw);
132                 pw.print(" (");
133                 TimeUtils.formatDuration(dispatchClockTime-enqueueClockTime, pw);
134                 pw.print(" since enq)");
135         if (finishTime != 0) {
136             pw.print(" finishTime="); TimeUtils.formatDuration(finishTime, now, pw);
137             pw.print(" (");
138             TimeUtils.formatDuration(finishTime-dispatchTime, pw);
139             pw.print(" since disp)");
140         } else {
141             pw.print(" receiverTime="); TimeUtils.formatDuration(receiverTime, now, pw);
142         }
143         pw.println("");
144         if (anrCount != 0) {
145             pw.print(prefix); pw.print("anrCount="); pw.println(anrCount);
146         }
147         if (resultTo != null || resultCode != -1 || resultData != null) {
148             pw.print(prefix); pw.print("resultTo="); pw.print(resultTo);
149                     pw.print(" resultCode="); pw.print(resultCode);
150                     pw.print(" resultData="); pw.println(resultData);
151         }
152         if (resultExtras != null) {
153             pw.print(prefix); pw.print("resultExtras="); pw.println(resultExtras);
154         }
155         if (resultAbort || ordered || sticky || initialSticky) {
156             pw.print(prefix); pw.print("resultAbort="); pw.print(resultAbort);
157                     pw.print(" ordered="); pw.print(ordered);
158                     pw.print(" sticky="); pw.print(sticky);
159                     pw.print(" initialSticky="); pw.println(initialSticky);
160         }
161         if (nextReceiver != 0 || receiver != null) {
162             pw.print(prefix); pw.print("nextReceiver="); pw.print(nextReceiver);
163                     pw.print(" receiver="); pw.println(receiver);
164         }
165         if (curFilter != null) {
166             pw.print(prefix); pw.print("curFilter="); pw.println(curFilter);
167         }
168         if (curReceiver != null) {
169             pw.print(prefix); pw.print("curReceiver="); pw.println(curReceiver);
170         }
171         if (curApp != null) {
172             pw.print(prefix); pw.print("curApp="); pw.println(curApp);
173             pw.print(prefix); pw.print("curComponent=");
174                     pw.println((curComponent != null ? curComponent.toShortString() : "--"));
175             if (curReceiver != null && curReceiver.applicationInfo != null) {
176                 pw.print(prefix); pw.print("curSourceDir=");
177                         pw.println(curReceiver.applicationInfo.sourceDir);
178             }
179         }
180         if (state != IDLE) {
181             String stateStr = " (?)";
182             switch (state) {
183                 case APP_RECEIVE:       stateStr=" (APP_RECEIVE)"; break;
184                 case CALL_IN_RECEIVE:   stateStr=" (CALL_IN_RECEIVE)"; break;
185                 case CALL_DONE_RECEIVE: stateStr=" (CALL_DONE_RECEIVE)"; break;
186                 case WAITING_SERVICES:  stateStr=" (WAITING_SERVICES)"; break;
187             }
188             pw.print(prefix); pw.print("state="); pw.print(state); pw.println(stateStr);
189         }
190         final int N = receivers != null ? receivers.size() : 0;
191         String p2 = prefix + "  ";
192         PrintWriterPrinter printer = new PrintWriterPrinter(pw);
193         for (int i = 0; i < N; i++) {
194             Object o = receivers.get(i);
195             pw.print(prefix);
196             switch (delivery[i]) {
197                 case DELIVERY_PENDING:   pw.print("Pending"); break;
198                 case DELIVERY_DELIVERED: pw.print("Deliver"); break;
199                 case DELIVERY_SKIPPED:   pw.print("Skipped"); break;
200                 case DELIVERY_TIMEOUT:   pw.print("Timeout"); break;
201                 default:                 pw.print("???????"); break;
202             }
203             pw.print(" #"); pw.print(i); pw.print(": ");
204             if (o instanceof BroadcastFilter) {
205                 pw.println(o);
206                 ((BroadcastFilter) o).dumpBrief(pw, p2);
207             } else if (o instanceof ResolveInfo) {
208                 pw.println("(manifest)");
209                 ((ResolveInfo) o).dump(printer, p2, 0);
210             } else {
211                 pw.println(o);
212             }
213         }
214     }
215 
BroadcastRecord(BroadcastQueue _queue, Intent _intent, ProcessRecord _callerApp, String _callerPackage, int _callingPid, int _callingUid, boolean _callerInstantApp, String _resolvedType, String[] _requiredPermissions, int _appOp, BroadcastOptions _options, List _receivers, IIntentReceiver _resultTo, int _resultCode, String _resultData, Bundle _resultExtras, boolean _serialized, boolean _sticky, boolean _initialSticky, int _userId)216     BroadcastRecord(BroadcastQueue _queue,
217             Intent _intent, ProcessRecord _callerApp, String _callerPackage,
218             int _callingPid, int _callingUid, boolean _callerInstantApp, String _resolvedType,
219             String[] _requiredPermissions, int _appOp, BroadcastOptions _options, List _receivers,
220             IIntentReceiver _resultTo, int _resultCode, String _resultData, Bundle _resultExtras,
221             boolean _serialized, boolean _sticky, boolean _initialSticky, int _userId) {
222         if (_intent == null) {
223             throw new NullPointerException("Can't construct with a null intent");
224         }
225         queue = _queue;
226         intent = _intent;
227         targetComp = _intent.getComponent();
228         callerApp = _callerApp;
229         callerPackage = _callerPackage;
230         callingPid = _callingPid;
231         callingUid = _callingUid;
232         callerInstantApp = _callerInstantApp;
233         resolvedType = _resolvedType;
234         requiredPermissions = _requiredPermissions;
235         appOp = _appOp;
236         options = _options;
237         receivers = _receivers;
238         delivery = new int[_receivers != null ? _receivers.size() : 0];
239         resultTo = _resultTo;
240         resultCode = _resultCode;
241         resultData = _resultData;
242         resultExtras = _resultExtras;
243         ordered = _serialized;
244         sticky = _sticky;
245         initialSticky = _initialSticky;
246         userId = _userId;
247         nextReceiver = 0;
248         state = IDLE;
249     }
250 
cleanupDisabledPackageReceiversLocked( String packageName, Set<String> filterByClasses, int userId, boolean doit)251     boolean cleanupDisabledPackageReceiversLocked(
252             String packageName, Set<String> filterByClasses, int userId, boolean doit) {
253         if ((userId != UserHandle.USER_ALL && this.userId != userId) || receivers == null) {
254             return false;
255         }
256 
257         boolean didSomething = false;
258         Object o;
259         for (int i = receivers.size() - 1; i >= 0; i--) {
260             o = receivers.get(i);
261             if (!(o instanceof ResolveInfo)) {
262                 continue;
263             }
264             ActivityInfo info = ((ResolveInfo)o).activityInfo;
265 
266             final boolean sameComponent = packageName == null
267                     || (info.applicationInfo.packageName.equals(packageName)
268                     && (filterByClasses == null || filterByClasses.contains(info.name)));
269             if (sameComponent) {
270                 if (!doit) {
271                     return true;
272                 }
273                 didSomething = true;
274                 receivers.remove(i);
275                 if (i < nextReceiver) {
276                     nextReceiver--;
277                 }
278             }
279         }
280         nextReceiver = Math.min(nextReceiver, receivers.size());
281 
282         return didSomething;
283     }
284 
toString()285     public String toString() {
286         return "BroadcastRecord{"
287             + Integer.toHexString(System.identityHashCode(this))
288             + " u" + userId + " " + intent.getAction() + "}";
289     }
290 }
291