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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
//
using System;
using System.Diagnostics;
using System.Diagnostics.Contracts;
using System.Security.Permissions;
using Microsoft.Win32;
namespace System.Security
{
internal static class BuiltInPermissionSets
{
//
// Raw PermissionSet XML - the built in permission sets are expressed in XML form since they contain
// permissions from assemblies other than mscorlib.
//
private static readonly string s_everythingXml =
@"<PermissionSet class = ""System.Security.NamedPermissionSet""
version = ""1""
Name = ""Everything""
Description = """ + Environment.GetResourceString("Policy_PS_Everything") + @"""
<IPermission class = ""System.Data.OleDb.OleDbPermission, " + AssemblyRef.SystemData + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Data.SqlClient.SqlClientPermission, " + AssemblyRef.SystemData + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Diagnostics.PerformanceCounterPermission, " + AssemblyRef.System + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Net.DnsPermission, " + AssemblyRef.System + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Net.SocketPermission, " + AssemblyRef.System + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Net.WebPermission, " + AssemblyRef.System + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.DataProtectionPermission, " + AssemblyRef.SystemSecurity + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.EnvironmentPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Diagnostics.EventLogPermission, " + AssemblyRef.System + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.FileDialogPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.FileIOPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.IsolatedStorageFilePermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.KeyContainerPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Drawing.Printing.PrintingPermission, " + AssemblyRef.SystemDrawing + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.ReflectionPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.RegistryPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.SecurityPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Flags = ""Assertion, UnmanagedCode, Execution, ControlThread, ControlEvidence, ControlPolicy, ControlAppDomain, SerializationFormatter, ControlDomainPolicy, ControlPrincipal, RemotingConfiguration, Infrastructure, BindingRedirects"" />
<IPermission class = ""System.Security.Permissions.UIPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.StorePermission, " + AssemblyRef.System + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.TypeDescriptorPermission, " + AssemblyRef.System + @"""
version = ""1""
Unrestricted = ""true"" />
</PermissionSet>";
private static readonly string s_executionXml =
@"<PermissionSet class = ""System.Security.NamedPermissionSet""
version = ""1""
Name = ""Execution""
Description = """ + Environment.GetResourceString("Policy_PS_Execution") + @""">
<IPermission class = ""System.Security.Permissions.SecurityPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Flags = ""Execution"" />
</PermissionSet>";
private static readonly string s_fullTrustXml =
@"<PermissionSet class = ""System.Security.NamedPermissionSet""
version = ""1""
Unrestricted = ""true""
Name = ""FullTrust""
Description = """ + Environment.GetResourceString("Policy_PS_FullTrust") + @""" />";
private static readonly string s_internetXml =
@"<PermissionSet class = ""System.Security.NamedPermissionSet""
version = ""1""
Name = ""Internet""
Description = """ + Environment.GetResourceString("Policy_PS_Internet") + @""">
<IPermission class = ""System.Drawing.Printing.PrintingPermission, " + AssemblyRef.SystemDrawing + @"""
version = ""1""
Level = ""SafePrinting"" />
<IPermission class = ""System.Security.Permissions.FileDialogPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Access = ""Open"" />
<IPermission class = ""System.Security.Permissions.IsolatedStorageFilePermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
UserQuota = ""1024000""
Allowed = ""ApplicationIsolationByUser"" />
<IPermission class = ""System.Security.Permissions.SecurityPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Flags = ""Execution"" />
<IPermission class = ""System.Security.Permissions.UIPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Window = ""SafeTopLevelWindows""
Clipboard = ""OwnClipboard"" />
</PermissionSet>";
private static readonly string s_localIntranetXml =
@"<PermissionSet class = ""System.Security.NamedPermissionSet""
version = ""1""
Name = ""LocalIntranet""
Description = """ + Environment.GetResourceString("Policy_PS_LocalIntranet") + @""" >
<IPermission class = ""System.Drawing.Printing.PrintingPermission, " + AssemblyRef.SystemDrawing + @"""
version = ""1""
Level = ""DefaultPrinting"" />
<IPermission class = ""System.Net.DnsPermission, " + AssemblyRef.System + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.EnvironmentPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Read = ""USERNAME"" />
<IPermission class = ""System.Security.Permissions.FileDialogPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
<IPermission class = ""System.Security.Permissions.IsolatedStorageFilePermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Allowed = ""AssemblyIsolationByUser""
UserQuota = ""9223372036854775807""
Expiry = ""9223372036854775807""
Permanent = ""true"" />
<IPermission class = ""System.Security.Permissions.ReflectionPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Flags = ""ReflectionEmit, RestrictedMemberAccess"" />
<IPermission class = ""System.Security.Permissions.SecurityPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Flags = ""Execution, Assertion, BindingRedirects "" />
<IPermission class = ""System.Security.Permissions.TypeDescriptorPermission, " + AssemblyRef.System + @"""
version = ""1""
Flags = ""RestrictedRegistrationAccess"" />
<IPermission class = ""System.Security.Permissions.UIPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Unrestricted = ""true"" />
</PermissionSet>";
private static readonly string s_nothingXml =
@"<PermissionSet class = ""System.Security.NamedPermissionSet""
version = ""1""
Name = ""Nothing""
Description = """ + Environment.GetResourceString("Policy_PS_Nothing") + @""" />";
private static readonly string s_skipVerificationXml =
@"<PermissionSet class = ""System.Security.NamedPermissionSet""
version = ""1""
Name = ""SkipVerification""
Description = """ + Environment.GetResourceString("Policy_PS_SkipVerification") + @""">
<IPermission class = ""System.Security.Permissions.SecurityPermission, " + AssemblyRef.Mscorlib + @"""
version = ""1""
Flags = ""SkipVerification"" />
</PermissionSet>";
//
// Built in permission set objects
//
private static NamedPermissionSet s_everything;
private static NamedPermissionSet s_execution;
private static NamedPermissionSet s_fullTrust;
private static NamedPermissionSet s_internet;
private static NamedPermissionSet s_localIntranet;
private static NamedPermissionSet s_nothing;
private static NamedPermissionSet s_skipVerification;
//
// Standard permission sets
//
internal static NamedPermissionSet Everything
{
get { return GetOrDeserializeExtendablePermissionSet(ref s_everything, s_everythingXml); }
}
internal static NamedPermissionSet Execution
{
get { return GetOrDeserializePermissionSet(ref s_execution, s_executionXml); }
}
internal static NamedPermissionSet FullTrust
{
get { return GetOrDeserializePermissionSet(ref s_fullTrust, s_fullTrustXml); }
}
internal static NamedPermissionSet Internet
{
get { return GetOrDeserializeExtendablePermissionSet(ref s_internet, s_internetXml); }
}
internal static NamedPermissionSet LocalIntranet
{
get { return GetOrDeserializeExtendablePermissionSet(ref s_localIntranet, s_localIntranetXml); }
}
internal static NamedPermissionSet Nothing
{
get { return GetOrDeserializePermissionSet(ref s_nothing, s_nothingXml); }
}
internal static NamedPermissionSet SkipVerification
{
get { return GetOrDeserializePermissionSet(ref s_skipVerification, s_skipVerificationXml); }
}
//
// Utility methods to construct the permission set objects from the well known XML and any permission
// set extensions if necessary
//
private static NamedPermissionSet GetOrDeserializeExtendablePermissionSet(
ref NamedPermissionSet permissionSet,
string permissionSetXml)
{
Contract.Requires(!String.IsNullOrEmpty(permissionSetXml));
return permissionSet.Copy() as NamedPermissionSet;
}
private static NamedPermissionSet GetOrDeserializePermissionSet(ref NamedPermissionSet permissionSet,
string permissionSetXml)
{
Debug.Assert(!String.IsNullOrEmpty(permissionSetXml));
return permissionSet.Copy() as NamedPermissionSet;
}
}
}
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