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[linker] Fix "Linked Away" exceptions with Thread.CurrentPrincipal. Fix #7321 #7510

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merged 1 commit into from
Nov 28, 2019
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[linker] Fix "Linked Away" exceptions with Thread.CurrentPrincipal. Fix #7321 #7510

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20 changes: 20 additions & 0 deletions tests/linker/ios/link sdk/LinkSdkRegressionTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Security.Principal;
using System.Threading;
using System.Xml;
using Mono.Data.Sqlite;
Expand Down Expand Up @@ -1115,5 +1116,24 @@ public void AsQueryable_Enumerable ()
var list = new List<string> { "hello hello" };
Assert.NotNull (list.AsQueryable ().GroupBy (x => x).FirstOrDefault ()?.FirstOrDefault (), "Enumerable");
}

public class CustomIdentity : IIdentity {
public string AuthenticationType => "test";
public bool IsAuthenticated => true;
public string Name => "abc";
}

public class CustomPrincipal : IPrincipal {
public IIdentity Identity => new CustomIdentity ();
public bool IsInRole (string role) => true;
}

[Test]
// https://github.com/xamarin/xamarin-macios/issues/7321
public void Principal ()
{
Thread.CurrentPrincipal = new CustomPrincipal ();
Assert.That (Thread.CurrentPrincipal.Identity.Name, Is.EqualTo ("abc"), "Name");
}
}
}
10 changes: 8 additions & 2 deletions tools/linker/MonoTouch.Tuner/RemoveCode.cs
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Expand Up @@ -176,8 +176,14 @@ static bool IsCandidate (TypeDefinition type)
case "System.Runtime.Remoting.Proxies":
return true;
case "System.Runtime.Remoting.Messaging":
return type.Name != "AsyncResult" && type.Name != "LogicalCallContext"
&& type.Name != "MonoMethodMessage";
switch (type.Name) {
case "AsyncResult":
case "CallContextSecurityData":
case "LogicalCallContext":
case "MonoMethodMessage":
return false;
}
return true;
case "System.Security.AccessControl":
case "System.Security.Permissions":
case "System.Security.Policy":
Expand Down