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