PackageManager keeps track of who installed what.

Stores the package name of the installer app in packages.xml
2009-04-28 15:26:38 +02:00
parent 21fa8d31f4
commit 65e13171e1
7 changed files with 181 additions and 25 deletions
--- a/services/java/com/android/server/PackageManagerService.java
+++ b/services/java/com/android/server/PackageManagerService.java
@@ -3234,20 +3234,27 @@ class PackageManagerService extends IPackageManager.Stub {
        private final String mRootDir;
        private final boolean mIsRom;
    }
-    
+
    /* Called when a downloaded package installation has been confirmed by the user */
    public void installPackage(
            final Uri packageURI, final IPackageInstallObserver observer, final int flags) {
+        installPackage(packageURI, observer, flags, null);
+    }
+    
+    /* Called when a downloaded package installation has been confirmed by the user */
+    public void installPackage(
+            final Uri packageURI, final IPackageInstallObserver observer, final int flags,
+            final String installerPackageName) {
        mContext.enforceCallingOrSelfPermission(
                android.Manifest.permission.INSTALL_PACKAGES, null);
-
+        
        // Queue up an async operation since the package installation may take a little while.
        mHandler.post(new Runnable() {
            public void run() {
                mHandler.removeCallbacks(this);
                PackageInstalledInfo res;
                synchronized (mInstallLock) {
-                    res = installPackageLI(packageURI, flags, true);
+                    res = installPackageLI(packageURI, flags, true, installerPackageName);
                }
                if (observer != null) {
                    try {
@@ -3295,7 +3302,7 @@ class PackageManagerService extends IPackageManager.Stub {
            File tmpPackageFile, 
            String destFilePath, File destPackageFile, File destResourceFile,
            PackageParser.Package pkg, boolean forwardLocked, boolean newInstall,
-            PackageInstalledInfo res) {
+            String installerPackageName, PackageInstalledInfo res) {
        // Remember this for later, in case we need to rollback this install
        boolean dataDirExists = (new File(mAppDataDir, pkgName)).exists();
        res.name = pkgName;
@@ -3331,7 +3338,8 @@ class PackageManagerService extends IPackageManager.Stub {
                    destResourceFile, pkg, 
                    newPackage,
                    true,
-                    forwardLocked,  
+                    forwardLocked,
+                    installerPackageName,
                    res);
            // delete the partially installed application. the data directory will have to be
            // restored if it was already existing
@@ -3352,7 +3360,8 @@ class PackageManagerService extends IPackageManager.Stub {
            File tmpPackageFile, 
            String destFilePath, File destPackageFile, File destResourceFile,
            PackageParser.Package pkg, boolean forwardLocked, boolean newInstall,
-            PackageInstalledInfo res) {
+            String installerPackageName, PackageInstalledInfo res) {
+
        PackageParser.Package oldPackage;
        // First find the old package info and check signatures
        synchronized(mPackages) {
@@ -3367,11 +3376,11 @@ class PackageManagerService extends IPackageManager.Stub {
            replaceSystemPackageLI(oldPackage,
                    tmpPackageFile, destFilePath, 
                    destPackageFile, destResourceFile, pkg, forwardLocked,
-                    newInstall, res);
+                    newInstall, installerPackageName, res);
        } else {
            replaceNonSystemPackageLI(oldPackage, tmpPackageFile, destFilePath,
                    destPackageFile, destResourceFile, pkg, forwardLocked,
-                    newInstall, res);
+                    newInstall, installerPackageName, res);
        }
    }
    
@@ -3379,11 +3388,17 @@ class PackageManagerService extends IPackageManager.Stub {
            File tmpPackageFile, 
            String destFilePath, File destPackageFile, File destResourceFile,
            PackageParser.Package pkg, boolean forwardLocked, boolean newInstall,
-            PackageInstalledInfo res) {
+            String installerPackageName, PackageInstalledInfo res) {
        PackageParser.Package newPackage = null;
        String pkgName = deletedPackage.packageName;
        boolean deletedPkg = true;
        boolean updatedSettings = false;
+        
+        String oldInstallerPackageName = null;
+        synchronized (mPackages) {
+            oldInstallerPackageName = mSettings.getInstallerPackageName(pkgName);
+        }
+        
        int parseFlags = PackageManager.REPLACE_EXISTING_PACKAGE;
        // First delete the existing package while retaining the data directory
        if (!deletePackageLI(pkgName, false, PackageManager.DONT_DELETE_DATA,
@@ -3412,6 +3427,7 @@ class PackageManagerService extends IPackageManager.Stub {
                        newPackage,
                        true,
                        forwardLocked,  
+                        installerPackageName,
                        res);
                updatedSettings = true;
            }
@@ -3456,7 +3472,7 @@ class PackageManagerService extends IPackageManager.Stub {
                        Uri.fromFile(new File(deletedPackage.mPath)),
                        isForwardLocked(deletedPackage)
                        ? PackageManager.FORWARD_LOCK_PACKAGE
-                                : 0, false);
+                                : 0, false, oldInstallerPackageName);
            }
        }
    }
@@ -3465,7 +3481,7 @@ class PackageManagerService extends IPackageManager.Stub {
            File tmpPackageFile, 
            String destFilePath, File destPackageFile, File destResourceFile,
            PackageParser.Package pkg, boolean forwardLocked, boolean newInstall,
-            PackageInstalledInfo res) {
+            String installerPackageName, PackageInstalledInfo res) {
        PackageParser.Package newPackage = null;
        boolean updatedSettings = false;
        int parseFlags = PackageManager.REPLACE_EXISTING_PACKAGE |
@@ -3515,7 +3531,8 @@ class PackageManagerService extends IPackageManager.Stub {
                    destResourceFile, pkg, 
                    newPackage,
                    true,
-                    forwardLocked,  
+                    forwardLocked,
+                    installerPackageName,
                    res);
            updatedSettings = true;
        }
@@ -3542,6 +3559,8 @@ class PackageManagerService extends IPackageManager.Stub {
            synchronized(mPackages) {
                if(updatedSettings) {
                    mSettings.enableSystemPackageLP(packageName);
+                    mSettings.setInstallerPackageName(packageName,
+                            oldPkgSetting.installerPackageName);
                }
                mSettings.writeLP();
            }
@@ -3555,7 +3574,7 @@ class PackageManagerService extends IPackageManager.Stub {
            PackageParser.Package newPackage,
            boolean replacingExistingPackage,
            boolean forwardLocked,  
-            PackageInstalledInfo res) {
+            String installerPackageName, PackageInstalledInfo res) {
        synchronized (mPackages) {
            //write settings. the installStatus will be incomplete at this stage.
            //note that the new package setting would have already been
@@ -3602,6 +3621,7 @@ class PackageManagerService extends IPackageManager.Stub {
            res.uid = newPackage.applicationInfo.uid;
            res.pkg = newPackage;
            mSettings.setInstallStatus(pkgName, PKG_INSTALL_COMPLETE);
+            mSettings.setInstallerPackageName(pkgName, installerPackageName);
            res.returnCode = PackageManager.INSTALL_SUCCEEDED;
            //to update install status
            mSettings.writeLP();
@@ -3609,7 +3629,7 @@ class PackageManagerService extends IPackageManager.Stub {
    }
    
    private PackageInstalledInfo installPackageLI(Uri pPackageURI,
-            int pFlags, boolean newInstall) {
+            int pFlags, boolean newInstall, String installerPackageName) {
        File tmpPackageFile = null;
        String pkgName = null;
        boolean forwardLocked = false;
@@ -3722,13 +3742,13 @@ class PackageManagerService extends IPackageManager.Stub {
                replacePackageLI(pkgName,
                        tmpPackageFile, 
                        destFilePath, destPackageFile, destResourceFile,
-                        pkg, forwardLocked, newInstall,
+                        pkg, forwardLocked, newInstall, installerPackageName,
                        res);
            } else {
                installNewPackageLI(pkgName,
                        tmpPackageFile, 
                        destFilePath, destPackageFile, destResourceFile,
-                        pkg, forwardLocked, newInstall,
+                        pkg, forwardLocked, newInstall, installerPackageName,
                        res);
            }
        } finally {
@@ -4546,6 +4566,16 @@ class PackageManagerService extends IPackageManager.Stub {
        }
    }

+    public String getInstallerPackageName(String packageName) {
+        synchronized (mPackages) {
+            PackageSetting pkg = mSettings.mPackages.get(packageName);
+            if (pkg == null) {
+                throw new IllegalArgumentException("Unknown package: " + packageName);
+            }
+            return pkg.installerPackageName;
+        }
+    }
+    
    public int getApplicationEnabledSetting(String appPackageName) {
        synchronized (mPackages) {
            PackageSetting pkg = mSettings.mPackages.get(appPackageName);
@@ -5195,6 +5225,9 @@ class PackageManagerService extends IPackageManager.Stub {
        HashSet<String> enabledComponents = new HashSet<String>(0);
        int enabled = COMPONENT_ENABLED_STATE_DEFAULT;
        int installStatus = PKG_INSTALL_COMPLETE;
+        
+        /* package name of the app that installed this package */
+        String installerPackageName;

        PackageSettingBase(String name, File codePath, File resourcePath,
                int pVersionCode, int pkgFlags) {
@@ -5207,6 +5240,14 @@ class PackageManagerService extends IPackageManager.Stub {
            this.versionCode = pVersionCode;
        }

+        public void setInstallerPackageName(String packageName) {
+            installerPackageName = packageName;
+        }
+        
+        String getInstallerPackageName() {
+            return installerPackageName;
+        }
+        
        public void setInstallStatus(int newStatus) {
            installStatus = newStatus;
        }
@@ -5437,6 +5478,19 @@ class PackageManagerService extends IPackageManager.Stub {
            }
        }
        
+        void setInstallerPackageName(String pkgName,
+                String installerPkgName) {
+            PackageSetting p = mPackages.get(pkgName);
+            if(p != null) {
+                p.setInstallerPackageName(installerPkgName);
+            }
+        }
+        
+        String getInstallerPackageName(String pkgName) {
+            PackageSetting p = mPackages.get(pkgName);
+            return (p == null) ? null : p.getInstallerPackageName(); 
+        }
+
        int getInstallStatus(String pkgName) {
            PackageSetting p = mPackages.get(pkgName);
            if(p != null) {
@@ -5912,6 +5966,9 @@ class PackageManagerService extends IPackageManager.Stub {
            if(pkg.installStatus == PKG_INSTALL_INCOMPLETE) {
                serializer.attribute(null, "installStatus", "false");
            }
+            if (pkg.installerPackageName != null) {
+                serializer.attribute(null, "installer", pkg.installerPackageName);
+            }
            pkg.signatures.writeXml(serializer, "sigs", mPastSignatures);
            if ((pkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
                serializer.startTag(null, "perms");
@@ -5946,6 +6003,7 @@ class PackageManagerService extends IPackageManager.Stub {
                }
                serializer.endTag(null, "enabled-components");
            }
+            
            serializer.endTag(null, "package");
        }
        
@@ -6267,6 +6325,7 @@ class PackageManagerService extends IPackageManager.Stub {
            String codePathStr = null;
            String resourcePathStr = null;
            String systemStr = null;
+            String installerPackageName = null;
            int pkgFlags = 0;
            String timeStampStr;
            long timeStamp = 0;
@@ -6287,6 +6346,7 @@ class PackageManagerService extends IPackageManager.Stub {
                    }
                }
                systemStr = parser.getAttributeValue(null, "system");
+                installerPackageName = parser.getAttributeValue(null, "installer");
                if (systemStr != null) {
                    if ("true".equals(systemStr)) {
                        pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
@@ -6360,6 +6420,7 @@ class PackageManagerService extends IPackageManager.Stub {
                        + parser.getPositionDescription());
            }
            if (packageSetting != null) {
+                packageSetting.installerPackageName = installerPackageName;
                final String enabledStr = parser.getAttributeValue(null, "enabled");
                if (enabledStr != null) {
                    if (enabledStr.equalsIgnoreCase("true")) {