Merge "VPN: move VpnDialogs away from system uid." into jb-dev

This commit is contained in:
Chia-chi Yeh
2012-06-11 11:49:46 -07:00
committed by Android (Google) Code Review
3 changed files with 31 additions and 12 deletions

View File

@ -34,17 +34,19 @@ public class VpnConfig implements Parcelable {
public static final String SERVICE_INTERFACE = "android.net.VpnService";
public static final String DIALOGS_PACKAGE = "com.android.vpndialogs";
public static final String LEGACY_VPN = "[Legacy VPN]";
public static Intent getIntentForConfirmation() {
Intent intent = new Intent();
intent.setClassName("com.android.vpndialogs", "com.android.vpndialogs.ConfirmDialog");
intent.setClassName(DIALOGS_PACKAGE, DIALOGS_PACKAGE + ".ConfirmDialog");
return intent;
}
public static PendingIntent getIntentForStatusPanel(Context context, VpnConfig config) {
Intent intent = new Intent();
intent.setClassName("com.android.vpndialogs", "com.android.vpndialogs.ManageDialog");
intent.setClassName(DIALOGS_PACKAGE, DIALOGS_PACKAGE + ".ManageDialog");
intent.putExtra("config", config);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NO_HISTORY |
Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);

View File

@ -1,6 +1,5 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.vpndialogs"
android:sharedUserId="android.uid.system">
package="com.android.vpndialogs">
<application android:label="VpnDialogs"
android:allowBackup="false" >

View File

@ -106,16 +106,16 @@ public class Vpn extends INetworkManagementEventObserver.Stub {
return true;
}
// Only system user can revoke a package.
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Unauthorized Caller");
}
// Check if the caller is authorized.
enforceControlPermission();
// Reset the interface and hide the notification.
if (mInterface != null) {
jniReset(mInterface);
long identity = Binder.clearCallingIdentity();
mCallback.restore();
hideNotification();
Binder.restoreCallingIdentity(identity);
mInterface = null;
}
@ -291,6 +291,26 @@ public class Vpn extends INetworkManagementEventObserver.Stub {
public void limitReached(String limit, String interfaze) {
}
private void enforceControlPermission() {
// System user is allowed to control VPN.
if (Binder.getCallingUid() == Process.SYSTEM_UID) {
return;
}
try {
// System dialogs are also allowed to control VPN.
PackageManager pm = mContext.getPackageManager();
ApplicationInfo app = pm.getApplicationInfo(VpnConfig.DIALOGS_PACKAGE, 0);
if (Binder.getCallingUid() == app.uid) {
return;
}
} catch (Exception e) {
// ignore
}
throw new SecurityException("Unauthorized Caller");
}
private class Connection implements ServiceConnection {
private IBinder mService;
@ -368,10 +388,8 @@ public class Vpn extends INetworkManagementEventObserver.Stub {
* Return the information of the current ongoing legacy VPN.
*/
public synchronized LegacyVpnInfo getLegacyVpnInfo() {
// Only system user can call this method.
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Unauthorized Caller");
}
// Check if the caller is authorized.
enforceControlPermission();
return (mLegacyVpnRunner == null) ? null : mLegacyVpnRunner.getInfo();
}