mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
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112 lines
4.9 KiB
Diff
112 lines
4.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Zoraver Kang <zkang@wpi.edu>
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Date: Mon, 16 Sep 2019 16:41:30 -0400
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Subject: [PATCH] Enforce INTERNET as a runtime permission.
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---
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.../connectivity/PermissionMonitor.java | 59 ++++++++++++-------
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1 file changed, 39 insertions(+), 20 deletions(-)
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diff --git a/services/core/java/com/android/server/connectivity/PermissionMonitor.java b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
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index 56f4959a9714..0b2012fa759a 100644
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--- a/services/core/java/com/android/server/connectivity/PermissionMonitor.java
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+++ b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
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@@ -29,6 +29,7 @@ import static android.os.Process.INVALID_UID;
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import static android.os.Process.SYSTEM_UID;
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import android.annotation.NonNull;
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+import android.annotation.UserIdInt;
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import android.content.Context;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageInfo;
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@@ -55,6 +56,7 @@ import com.android.internal.util.ArrayUtils;
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import com.android.internal.util.IndentingPrintWriter;
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import com.android.server.LocalServices;
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import com.android.server.SystemConfig;
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+import com.android.server.pm.permission.PermissionManagerServiceInternal;
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import java.util.ArrayList;
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import java.util.Collection;
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@@ -80,6 +82,7 @@ public class PermissionMonitor {
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private static final int VERSION_Q = Build.VERSION_CODES.Q;
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private final PackageManager mPackageManager;
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+ private final PackageManagerInternal mPackageManagerInternal;
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private final UserManager mUserManager;
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private final INetd mNetd;
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@@ -104,26 +107,6 @@ public class PermissionMonitor {
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private class PackageListObserver implements PackageManagerInternal.PackageListObserver {
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- private int getPermissionForUid(int uid) {
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- int permission = 0;
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- // Check all the packages for this UID. The UID has the permission if any of the
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- // packages in it has the permission.
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- String[] packages = mPackageManager.getPackagesForUid(uid);
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- if (packages != null && packages.length > 0) {
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- for (String name : packages) {
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- final PackageInfo app = getPackageInfo(name);
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- if (app != null && app.requestedPermissions != null) {
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- permission |= getNetdPermissionMask(app.requestedPermissions,
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- app.requestedPermissionsFlags);
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- }
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- }
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- } else {
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- // The last package of this uid is removed from device. Clean the package up.
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- permission = INetd.PERMISSION_UNINSTALLED;
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- }
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- return permission;
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- }
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-
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@Override
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public void onPackageAdded(String packageName, int uid) {
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sendPackagePermissionsForUid(uid, getPermissionForUid(uid));
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@@ -140,10 +123,46 @@ public class PermissionMonitor {
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}
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}
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+ private int getPermissionForUid(int uid) {
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+ int permission = 0;
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+ // Check all the packages for this UID. The UID has the permission if any of the
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+ // packages in it has the permission.
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+ String[] packages = mPackageManager.getPackagesForUid(uid);
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+ if (packages != null && packages.length > 0) {
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+ for (String name : packages) {
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+ final PackageInfo app = getPackageInfo(name);
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+ if (app != null && app.requestedPermissions != null) {
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+ permission |= getNetdPermissionMask(app.requestedPermissions,
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+ app.requestedPermissionsFlags);
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+ }
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+ }
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+ } else {
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+ // The last package of this uid is removed from device. Clean the package up.
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+ permission = INetd.PERMISSION_UNINSTALLED;
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+ }
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+ return permission;
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+ }
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+
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+ // implements OnRuntimePermissionStateChangedListener
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+ private void enforceINTERNETAsRuntimePermission(@NonNull String packageName,
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+ @UserIdInt int userId) {
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+ // userId is _not_ uid
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+ int uid = mPackageManagerInternal.getPackageUid(packageName, 0, userId);
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+ sendPackagePermissionsForUid(uid, getPermissionForUid(uid));
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+ }
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+
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public PermissionMonitor(Context context, INetd netd) {
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mPackageManager = context.getPackageManager();
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mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
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mNetd = netd;
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+
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+ mPackageManagerInternal = LocalServices.getService(
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+ PackageManagerInternal.class);
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+
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+ final PermissionManagerServiceInternal permManagerInternal = LocalServices.getService(
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+ PermissionManagerServiceInternal.class);
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+ permManagerInternal.addOnRuntimePermissionStateChangedListener(
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+ this::enforceINTERNETAsRuntimePermission);
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}
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// Intended to be called only once at startup, after the system is ready. Installs a broadcast
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