LineageOS/android_packages_modules_Connectivity
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Stop accessing VPNs in checkConnectivityDiagnosticsPermissions.

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Currently, checkConnectivityDiagnosticsPermissions takes the VPN
lock to examine the VPN's underlying networks. Use the underlying
network data that is available in ConnectivityService instead.

Bug: 173331190
Test: passes existing tests in ConnectivityServiceTest
Change-Id: Ia1c366c5e9974d4d2c4b38030e66c007d62020ff
This commit is contained in:
Lorenzo Colitti
2020-11-16 23:41:21 +09:00
parent fee5e4e34c
commit 083b00b5fb
2 changed files with 10 additions and 16 deletions
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13
tests/net/java/com/android/server/ConnectivityServiceTest.java
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@@ -7438,20 +7438,14 @@ public class ConnectivityServiceTest {
setupLocationPermissions(Build.VERSION_CODES.Q, true, AppOpsManager.OPSTR_FINE_LOCATION,
Manifest.permission.ACCESS_FINE_LOCATION);
// setUp() calls mockVpn() which adds a VPN with the Test Runner's uid. Configure it to be
// active
final VpnInfo info = new VpnInfo();
info.ownerUid = Process.myUid();
info.vpnIface = VPN_IFNAME;
mMockVpn.setVpnInfo(info);
mMockVpn.establishForMyUid();
waitForIdle();
// Wait for networks to connect and broadcasts to be sent before removing permissions.
waitForIdle();
mServiceContext.setPermission(android.Manifest.permission.NETWORK_STACK, PERMISSION_DENIED);
assertTrue(mService.setUnderlyingNetworksForVpn(new Network[] {network}));
waitForIdle();
assertTrue(
"Active VPN permission not applied",
mService.checkConnectivityDiagnosticsPermissions(
@@ -7459,6 +7453,7 @@ public class ConnectivityServiceTest {
mContext.getOpPackageName()));
assertTrue(mService.setUnderlyingNetworksForVpn(null));
waitForIdle();
assertFalse(
"VPN shouldn't receive callback on non-underlying network",
mService.checkConnectivityDiagnosticsPermissions(