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automate loopback exception for windows store app

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This commit is contained in:
Luke Pulverenti 2016-09-02 16:42:07 -04:00
parent f66d9d773d
commit 116b234ea6
5 changed files with 368 additions and 27 deletions
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26
MediaBrowser.Server.Implementations/Udp/UdpServer.cs
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@ -51,7 +51,6 @@ namespace MediaBrowser.Server.Implementations.Udp
AddMessageResponder("who is EmbyServer?", RespondToV2Message);
AddMessageResponder("who is MediaBrowserServer_v2?", RespondToV2Message);
AddMessageResponder("who is MediaBrowserServer?", RespondToV1Message);
}
private void AddMessageResponder(string message, Action<string, Encoding> responder)
@ -94,31 +93,6 @@ namespace MediaBrowser.Server.Implementations.Udp
}
}
private async void RespondToV1Message(string endpoint, Encoding encoding)
{
var localUrl = await _appHost.GetLocalApiUrl().ConfigureAwait(false);
if (!string.IsNullOrEmpty(localUrl))
{
// This is how we did the old v1 search, so need to strip off the protocol
var index = localUrl.IndexOf("://", StringComparison.OrdinalIgnoreCase);
if (index != -1)
{
localUrl = localUrl.Substring(index + 3);
}
// Send a response back with our ip address and port
var response = String.Format("MediaBrowserServer|{0}", localUrl);
await SendAsync(Encoding.UTF8.GetBytes(response), endpoint);
}
else
{
_logger.Warn("Unable to respond to udp request because the local ip address could not be determined.");
}
}
private async void RespondToV2Message(string endpoint, Encoding encoding)
{
var localUrl = await _appHost.GetLocalApiUrl().ConfigureAwait(false);

8
MediaBrowser.ServerApplication/MainStartup.cs
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@ -292,6 +292,14 @@ namespace MediaBrowser.ServerApplication
ErrorModes.SEM_NOGPFAULTERRORBOX | ErrorModes.SEM_NOOPENFILEERRORBOX);
}
try
{
LoopUtil.Run();
}
catch (Exception ex)
{
logManager.GetLogger("LoopUtil").ErrorException("Error in LoopUtil", ex);
}
var task = _appHost.Init(initProgress);
Task.WaitAll(task);

1
MediaBrowser.ServerApplication/MediaBrowser.ServerApplication.csproj
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@ -119,6 +119,7 @@
<Compile Include="MainStartup.cs" />
<Compile Include="Native\LnkShortcutHandler.cs" />
<Compile Include="Native\DbConnector.cs" />
<Compile Include="Native\LoopbackUtil.cs" />
<Compile Include="Native\Standby.cs" />
<Compile Include="Native\ServerAuthorization.cs" />
<Compile Include="Native\WindowsApp.cs" />

358
MediaBrowser.ServerApplication/Native/LoopbackUtil.cs Normal file
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@ -0,0 +1,358 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
namespace MediaBrowser.ServerApplication.Native
{
/// <summary>
/// http://blogs.msdn.com/b/fiddler/archive/2011/12/10/fiddler-windows-8-apps-enable-LoopUtil-network-isolation-exemption.aspx
/// </summary>
public class LoopUtil
{
//http://msdn.microsoft.com/en-us/library/windows/desktop/aa379595(v=vs.85).aspx
[StructLayout(LayoutKind.Sequential)]
internal struct SID_AND_ATTRIBUTES
{
public IntPtr Sid;
public uint Attributes;
}
[StructLayoutAttribute(LayoutKind.Sequential)]
internal struct INET_FIREWALL_AC_CAPABILITIES
{
public uint count;
public IntPtr capabilities; //SID_AND_ATTRIBUTES
}
[StructLayoutAttribute(LayoutKind.Sequential)]
internal struct INET_FIREWALL_AC_BINARIES
{
public uint count;
public IntPtr binaries;
}
[StructLayoutAttribute(LayoutKind.Sequential)]
internal struct INET_FIREWALL_APP_CONTAINER
{
internal IntPtr appContainerSid;
internal IntPtr userSid;
[MarshalAs(UnmanagedType.LPWStr)]
public string appContainerName;
[MarshalAs(UnmanagedType.LPWStr)]
public string displayName;
[MarshalAs(UnmanagedType.LPWStr)]
public string description;
internal INET_FIREWALL_AC_CAPABILITIES capabilities;
internal INET_FIREWALL_AC_BINARIES binaries;
[MarshalAs(UnmanagedType.LPWStr)]
public string workingDirectory;
[MarshalAs(UnmanagedType.LPWStr)]
public string packageFullName;
}
// Call this API to free the memory returned by the Enumeration API
[DllImport("FirewallAPI.dll")]
internal static extern void NetworkIsolationFreeAppContainers(IntPtr pACs);
// Call this API to load the current list of LoopUtil-enabled AppContainers
[DllImport("FirewallAPI.dll")]
internal static extern uint NetworkIsolationGetAppContainerConfig(out uint pdwCntACs, out IntPtr appContainerSids);
// Call this API to set the LoopUtil-exemption list
[DllImport("FirewallAPI.dll")]
private static extern uint NetworkIsolationSetAppContainerConfig(uint pdwCntACs, SID_AND_ATTRIBUTES[] appContainerSids);
// Use this API to convert a string SID into an actual SID
[DllImport("advapi32.dll", SetLastError = true)]
internal static extern bool ConvertStringSidToSid(string strSid, out IntPtr pSid);
[DllImport("advapi32", CharSet = CharSet.Auto, SetLastError = true)]
static extern bool ConvertSidToStringSid(
[MarshalAs(UnmanagedType.LPArray)] byte[] pSID,
out IntPtr ptrSid);
[DllImport("advapi32", CharSet = CharSet.Auto, SetLastError = true)]
static extern bool ConvertSidToStringSid(IntPtr pSid, out string strSid);
// Use this API to convert a string reference (e.g. "@{blah.pri?ms-resource://whatever}") into a plain string
[DllImport("shlwapi.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
internal static extern int SHLoadIndirectString(string pszSource, StringBuilder pszOutBuf);
// Call this API to enumerate all of the AppContainers on the system
[DllImport("FirewallAPI.dll")]
internal static extern uint NetworkIsolationEnumAppContainers(uint Flags, out uint pdwCntPublicACs, out IntPtr ppACs);
// DWORD NetworkIsolationEnumAppContainers(
// _In_ DWORD Flags,
// _Out_ DWORD *pdwNumPublicAppCs,
// _Out_ PINET_FIREWALL_APP_CONTAINER *ppPublicAppCs
//);
//http://msdn.microsoft.com/en-gb/library/windows/desktop/hh968116.aspx
enum NETISO_FLAG
{
NETISO_FLAG_FORCE_COMPUTE_BINARIES = 0x1,
NETISO_FLAG_MAX = 0x2
}
public class AppContainer
{
public String appContainerName { get; set; }
public String displayName { get; set; }
public String workingDirectory { get; set; }
public String StringSid { get; set; }
public List<uint> capabilities { get; set; }
public bool LoopUtil { get; set; }
public AppContainer(String _appContainerName, String _displayName, String _workingDirectory, IntPtr _sid)
{
this.appContainerName = _appContainerName;
this.displayName = _displayName;
this.workingDirectory = _workingDirectory;
String tempSid;
ConvertSidToStringSid(_sid, out tempSid);
this.StringSid = tempSid;
}
}
internal List<LoopUtil.INET_FIREWALL_APP_CONTAINER> _AppList;
internal List<LoopUtil.SID_AND_ATTRIBUTES> _AppListConfig;
public List<AppContainer> Apps = new List<AppContainer>();
internal IntPtr _pACs;
public LoopUtil()
{
LoadApps();
}
public void LoadApps()
{
Apps.Clear();
_pACs = IntPtr.Zero;
//Full List of Apps
_AppList = PI_NetworkIsolationEnumAppContainers();
//List of Apps that have LoopUtil enabled.
_AppListConfig = PI_NetworkIsolationGetAppContainerConfig();
foreach (var PI_app in _AppList)
{
AppContainer app = new AppContainer(PI_app.appContainerName, PI_app.displayName, PI_app.workingDirectory, PI_app.appContainerSid);
var app_capabilities = LoopUtil.getCapabilites(PI_app.capabilities);
if (app_capabilities.Count > 0)
{
//var sid = new SecurityIdentifier(app_capabilities[0], 0);
IntPtr arrayValue = IntPtr.Zero;
//var b = LoopUtil.ConvertStringSidToSid(app_capabilities[0].Sid, out arrayValue);
//string mysid;
//var b = LoopUtil.ConvertSidToStringSid(app_capabilities[0].Sid, out mysid);
}
app.LoopUtil = CheckLoopback(PI_app.appContainerSid);
Apps.Add(app);
}
}
private bool CheckLoopback(IntPtr intPtr)
{
foreach (SID_AND_ATTRIBUTES item in _AppListConfig)
{
string left, right;
ConvertSidToStringSid(item.Sid, out left);
ConvertSidToStringSid(intPtr, out right);
if (left == right)
{
return true;
}
}
return false;
}
private bool CreateExcemptions(string appName)
{
var hasChanges = false;
foreach (var app in Apps)
{
if ((app.appContainerName ?? string.Empty).IndexOf(appName, StringComparison.OrdinalIgnoreCase) != -1 ||
(app.displayName ?? string.Empty).IndexOf(appName, StringComparison.OrdinalIgnoreCase) != -1)
{
if (!app.LoopUtil)
{
app.LoopUtil = true;
hasChanges = true;
}
}
}
return hasChanges;
}
public static void Run()
{
var util = new LoopUtil();
util.LoadApps();
var hasChanges = util.CreateExcemptions("Emby");
if (hasChanges)
{
util.SaveLoopbackState();
}
util.SaveLoopbackState();
}
private static List<SID_AND_ATTRIBUTES> getCapabilites(INET_FIREWALL_AC_CAPABILITIES cap)
{
List<SID_AND_ATTRIBUTES> mycap = new List<SID_AND_ATTRIBUTES>();
IntPtr arrayValue = cap.capabilities;
var structSize = Marshal.SizeOf(typeof(SID_AND_ATTRIBUTES));
for (var i = 0; i < cap.count; i++)
{
var cur = (SID_AND_ATTRIBUTES)Marshal.PtrToStructure(arrayValue, typeof(SID_AND_ATTRIBUTES));
mycap.Add(cur);
arrayValue = new IntPtr((long)(arrayValue) + (long)(structSize));
}
return mycap;
}
private static List<SID_AND_ATTRIBUTES> getContainerSID(INET_FIREWALL_AC_CAPABILITIES cap)
{
List<SID_AND_ATTRIBUTES> mycap = new List<SID_AND_ATTRIBUTES>();
IntPtr arrayValue = cap.capabilities;
var structSize = Marshal.SizeOf(typeof(SID_AND_ATTRIBUTES));
for (var i = 0; i < cap.count; i++)
{
var cur = (SID_AND_ATTRIBUTES)Marshal.PtrToStructure(arrayValue, typeof(SID_AND_ATTRIBUTES));
mycap.Add(cur);
arrayValue = new IntPtr((long)(arrayValue) + (long)(structSize));
}
return mycap;
}
private static List<SID_AND_ATTRIBUTES> PI_NetworkIsolationGetAppContainerConfig()
{
IntPtr arrayValue = IntPtr.Zero;
uint size = 0;
var list = new List<SID_AND_ATTRIBUTES>();
// Pin down variables
GCHandle handle_pdwCntPublicACs = GCHandle.Alloc(size, GCHandleType.Pinned);
GCHandle handle_ppACs = GCHandle.Alloc(arrayValue, GCHandleType.Pinned);
uint retval = NetworkIsolationGetAppContainerConfig(out size, out arrayValue);
var structSize = Marshal.SizeOf(typeof(SID_AND_ATTRIBUTES));
for (var i = 0; i < size; i++)
{
var cur = (SID_AND_ATTRIBUTES)Marshal.PtrToStructure(arrayValue, typeof(SID_AND_ATTRIBUTES));
list.Add(cur);
arrayValue = new IntPtr((long)(arrayValue) + (long)(structSize));
}
//release pinned variables.
handle_pdwCntPublicACs.Free();
handle_ppACs.Free();
return list;
}
private List<INET_FIREWALL_APP_CONTAINER> PI_NetworkIsolationEnumAppContainers()
{
IntPtr arrayValue = IntPtr.Zero;
uint size = 0;
var list = new List<INET_FIREWALL_APP_CONTAINER>();
// Pin down variables
GCHandle handle_pdwCntPublicACs = GCHandle.Alloc(size, GCHandleType.Pinned);
GCHandle handle_ppACs = GCHandle.Alloc(arrayValue, GCHandleType.Pinned);
//uint retval2 = NetworkIsolationGetAppContainerConfig( out size, out arrayValue);
uint retval = NetworkIsolationEnumAppContainers((Int32)NETISO_FLAG.NETISO_FLAG_MAX, out size, out arrayValue);
_pACs = arrayValue; //store the pointer so it can be freed when we close the form
var structSize = Marshal.SizeOf(typeof(INET_FIREWALL_APP_CONTAINER));
for (var i = 0; i < size; i++)
{
var cur = (INET_FIREWALL_APP_CONTAINER)Marshal.PtrToStructure(arrayValue, typeof(INET_FIREWALL_APP_CONTAINER));
list.Add(cur);
arrayValue = new IntPtr((long)(arrayValue) + (long)(structSize));
}
//release pinned variables.
handle_pdwCntPublicACs.Free();
handle_ppACs.Free();
return list;
}
public bool SaveLoopbackState()
{
var countEnabled = CountEnabledLoopUtil();
SID_AND_ATTRIBUTES[] arr = new SID_AND_ATTRIBUTES[countEnabled];
int count = 0;
for (int i = 0; i < Apps.Count; i++)
{
if (Apps[i].LoopUtil)
{
arr[count].Attributes = 0;
//TO DO:
IntPtr ptr;
ConvertStringSidToSid(Apps[i].StringSid, out ptr);
arr[count].Sid = ptr;
count++;
}
}
if (NetworkIsolationSetAppContainerConfig((uint)countEnabled, arr) == 0)
{
return true;
}
else
{ return false; }
}
private int CountEnabledLoopUtil()
{
var count = 0;
for (int i = 0; i < Apps.Count; i++)
{
if (Apps[i].LoopUtil)
{
count++;
}
}
return count;
}
public void FreeResources()
{
NetworkIsolationFreeAppContainers(_pACs);
}
}
}

2
MediaBrowser.sln
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@ -1,7 +1,7 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 14
VisualStudioVersion = 14.0.24720.0
VisualStudioVersion = 14.0.25420.1
MinimumVisualStudioVersion = 10.0.40219.1
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".nuget", ".nuget", "{F0E0E64C-2A6F-4E35-9533-D53AC07C2CD1}"
EndProject