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//
// System.Security.HostSecurityManager class
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Reflection;
using System.Runtime.Hosting;
using System.Runtime.InteropServices;
using System.Security.Policy;
namespace System.Security {
[Serializable]
[ComVisible (true)]
public class HostSecurityManager {
public HostSecurityManager ()
{
}
public virtual PolicyLevel DomainPolicy {
// always return null - may be overriden
get { return null; }
}
public virtual HostSecurityManagerOptions Flags {
get { return HostSecurityManagerOptions.AllFlags; }
}
public virtual ApplicationTrust DetermineApplicationTrust (Evidence applicationEvidence, Evidence activatorEvidence, TrustManagerContext context)
{
if (applicationEvidence == null)
throw new ArgumentNullException ("applicationEvidence");
ActivationArguments aa = null;
foreach (object o in applicationEvidence) {
aa = (o as ActivationArguments);
if (aa != null)
break;
}
if (aa == null) {
string msg = Locale.GetText ("No {0} found in {1}.");
throw new ArgumentException (string.Format (msg, "ActivationArguments", "Evidence"), "applicationEvidence");
}
if (aa.ActivationContext == null) {
string msg = Locale.GetText ("No {0} found in {1}.");
throw new ArgumentException (string.Format (msg, "ActivationContext", "ActivationArguments"), "applicationEvidence");
}
// FIXME: this part is still untested (requires manifest support)
if (ApplicationSecurityManager.DetermineApplicationTrust (aa.ActivationContext, context)) {
if (aa.ApplicationIdentity == null)
return new ApplicationTrust ();
else
return new ApplicationTrust (aa.ApplicationIdentity);
}
return null;
}
public virtual Evidence ProvideAppDomainEvidence (Evidence inputEvidence)
{
// no changes - may be overriden
return inputEvidence;
}
public virtual Evidence ProvideAssemblyEvidence (Assembly loadedAssembly, Evidence inputEvidence)
{
// no changes - may be overriden
return inputEvidence;
}
public virtual PermissionSet ResolvePolicy (Evidence evidence)
{
if (evidence == null)
throw new NullReferenceException ("evidence");
return SecurityManager.ResolvePolicy (evidence);
}
}
}
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