PackageSetting.java revision f996b76623f2b6e958e76d40d17b17f673ed30b5 
1/*
2 * Copyright (C) 2011 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
17package com.android.server.pm;
18
19import android.content.pm.ApplicationInfo;
20import android.content.pm.PackageManager;
21import android.content.pm.PackageParser;
22import android.content.pm.UserInfo;
23import android.service.pm.PackageProto;
24import android.util.proto.ProtoOutputStream;
25
26import com.android.server.pm.permission.PermissionsState;
27
28import java.io.File;
29import java.util.List;
30
31/**
32 * Settings data for a particular package we know about.
33 */
34public final class PackageSetting extends PackageSettingBase {
35    int appId;
36    PackageParser.Package pkg;
37    /**
38     * WARNING. The object reference is important. We perform integer equality and NOT
39     * object equality to check whether shared user settings are the same.
40     */
41    SharedUserSetting sharedUser;
42    /**
43     * Temporary holding space for the shared user ID. While parsing package settings, the
44     * shared users tag may come after the packages. In this case, we must delay linking the
45     * shared user setting with the package setting. The shared user ID lets us link the
46     * two objects.
47     */
48    private int sharedUserId;
49
50    PackageSetting(String name, String realName, File codePath, File resourcePath,
51            String legacyNativeLibraryPathString, String primaryCpuAbiString,
52            String secondaryCpuAbiString, String cpuAbiOverrideString,
53            long pVersionCode, int pkgFlags, int privateFlags, String parentPackageName,
54            List<String> childPackageNames, int sharedUserId, String[] usesStaticLibraries,
55            long[] usesStaticLibrariesVersions) {
56        super(name, realName, codePath, resourcePath, legacyNativeLibraryPathString,
57                primaryCpuAbiString, secondaryCpuAbiString, cpuAbiOverrideString,
58                pVersionCode, pkgFlags, privateFlags, parentPackageName, childPackageNames,
59                usesStaticLibraries, usesStaticLibrariesVersions);
60        this.sharedUserId = sharedUserId;
61    }
62
63    /**
64     * New instance of PackageSetting replicating the original settings.
65     * Note that it keeps the same PackageParser.Package instance.
66     */
67    PackageSetting(PackageSetting orig) {
68        super(orig, orig.realName);
69        doCopy(orig);
70    }
71
72    /**
73     * New instance of PackageSetting replicating the original settings, but, allows specifying
74     * a real package name.
75     * Note that it keeps the same PackageParser.Package instance.
76     */
77    PackageSetting(PackageSetting orig, String realPkgName) {
78        super(orig, realPkgName);
79        doCopy(orig);
80    }
81
82    public int getSharedUserId() {
83        if (sharedUser != null) {
84            return sharedUser.userId;
85        }
86        return sharedUserId;
87    }
88
89    public SharedUserSetting getSharedUser() {
90        return sharedUser;
91    }
92
93    @Override
94    public String toString() {
95        return "PackageSetting{"
96            + Integer.toHexString(System.identityHashCode(this))
97            + " " + name + "/" + appId + "}";
98    }
99
100    // Temporary to catch potential issues with refactoring
101    public String dumpState_temp() {
102        String flags = "";
103        flags += ((pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0 ? "U" : "");
104        flags += ((pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0 ? "S" : "");
105        if ("".equals(flags)) {
106            flags = "-";
107        }
108        String privFlags = "";
109        privFlags += ((pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0 ? "P" : "");
110        privFlags += ((pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_OEM) != 0 ? "O" : "");
111        privFlags += ((pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0 ? "V" : "");
112        if ("".equals(privFlags)) {
113            privFlags = "-";
114        }
115        return "PackageSetting{"
116                + Integer.toHexString(System.identityHashCode(this))
117                + " " + name + (realName == null ? "" : "("+realName+")") + "/" + appId + (sharedUser==null?"":" u:" + sharedUser.name+"("+sharedUserId+")")
118                + ", ver:" + versionCode
119                + ", path: " + codePath
120                + ", pABI: " + primaryCpuAbiString
121                + ", sABI: " + secondaryCpuAbiString
122                + ", oABI: " + cpuAbiOverrideString
123                + ", flags: " + flags
124                + ", privFlags: " + privFlags
125                + ", pkg: " + (pkg == null ? "<<NULL>>" : pkg.dumpState_temp())
126                + "}";
127    }
128
129    public void copyFrom(PackageSetting orig) {
130        super.copyFrom(orig);
131        doCopy(orig);
132    }
133
134    private void doCopy(PackageSetting orig) {
135        appId = orig.appId;
136        pkg = orig.pkg;
137        sharedUser = orig.sharedUser;
138        sharedUserId = orig.sharedUserId;
139    }
140
141    @Override
142    public PermissionsState getPermissionsState() {
143        return (sharedUser != null)
144                ? sharedUser.getPermissionsState()
145                : super.getPermissionsState();
146    }
147
148    public PackageParser.Package getPackage() {
149        return pkg;
150    }
151
152    public int getAppId() {
153        return appId;
154    }
155
156    public void setInstallPermissionsFixed(boolean fixed) {
157        installPermissionsFixed = fixed;
158    }
159
160    public boolean areInstallPermissionsFixed() {
161        return installPermissionsFixed;
162    }
163
164    public boolean isPrivileged() {
165        return (pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0;
166    }
167
168    public boolean isOem() {
169        return (pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_OEM) != 0;
170    }
171
172    public boolean isVendor() {
173        return (pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0;
174    }
175
176    public boolean isForwardLocked() {
177        return (pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_FORWARD_LOCK) != 0;
178    }
179
180    public boolean isSystem() {
181        return (pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
182    }
183
184    public boolean isUpdatedSystem() {
185        return (pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
186    }
187
188    @Override
189    public boolean isSharedUser() {
190        return sharedUser != null;
191    }
192
193    public boolean isMatch(int flags) {
194        if ((flags & PackageManager.MATCH_SYSTEM_ONLY) != 0) {
195            return isSystem();
196        }
197        return true;
198    }
199
200    public boolean hasChildPackages() {
201        return childPackageNames != null && !childPackageNames.isEmpty();
202    }
203
204    public void writeToProto(ProtoOutputStream proto, long fieldId, List<UserInfo> users) {
205        final long packageToken = proto.start(fieldId);
206        proto.write(PackageProto.NAME, (realName != null ? realName : name));
207        proto.write(PackageProto.UID, appId);
208        proto.write(PackageProto.VERSION_CODE, versionCode);
209        proto.write(PackageProto.VERSION_STRING, pkg.mVersionName);
210        proto.write(PackageProto.INSTALL_TIME_MS, firstInstallTime);
211        proto.write(PackageProto.UPDATE_TIME_MS, lastUpdateTime);
212        proto.write(PackageProto.INSTALLER_NAME, installerPackageName);
213
214        if (pkg != null) {
215            long splitToken = proto.start(PackageProto.SPLITS);
216            proto.write(PackageProto.SplitProto.NAME, "base");
217            proto.write(PackageProto.SplitProto.REVISION_CODE, pkg.baseRevisionCode);
218            proto.end(splitToken);
219            if (pkg.splitNames != null) {
220                for (int i = 0; i < pkg.splitNames.length; i++) {
221                    splitToken = proto.start(PackageProto.SPLITS);
222                    proto.write(PackageProto.SplitProto.NAME, pkg.splitNames[i]);
223                    proto.write(PackageProto.SplitProto.REVISION_CODE, pkg.splitRevisionCodes[i]);
224                    proto.end(splitToken);
225                }
226            }
227        }
228        writeUsersInfoToProto(proto, PackageProto.USERS);
229        proto.end(packageToken);
230    }
231}
232