diff options
Diffstat (limited to 'src/mscorlib/src/System/Security/Policy/PolicyStatement.cs')
| -rw-r--r-- | src/mscorlib/src/System/Security/Policy/PolicyStatement.cs | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/src/mscorlib/src/System/Security/Policy/PolicyStatement.cs b/src/mscorlib/src/System/Security/Policy/PolicyStatement.cs deleted file mode 100644 index 9b58ece9f1..0000000000 --- a/src/mscorlib/src/System/Security/Policy/PolicyStatement.cs +++ /dev/null @@ -1,246 +0,0 @@ -// 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. - -// -// Represents the policy associated with some piece of evidence -// -using System.Diagnostics.Contracts; -namespace System.Security.Policy { - - using System; - using System.Security; - using System.Security.Util; - using Math = System.Math; - using System.Collections; - using System.Collections.Generic; - using System.Security.Permissions; - using System.Text; - using System.Globalization; -[Serializable] - [Flags] -[System.Runtime.InteropServices.ComVisible(true)] - public enum PolicyStatementAttribute - { - Nothing = 0x0, - Exclusive = 0x01, - LevelFinal = 0x02, - All = 0x03, - } - - [Serializable] - [System.Runtime.InteropServices.ComVisible(true)] - sealed public class PolicyStatement : ISecurityPolicyEncodable, ISecurityEncodable - { - // The PermissionSet associated with this policy - internal PermissionSet m_permSet; - - // The bitfield of inheritance properties associated with this policy - internal PolicyStatementAttribute m_attributes; - - internal PolicyStatement() - { - m_permSet = null; - m_attributes = PolicyStatementAttribute.Nothing; - } - - public PolicyStatement( PermissionSet permSet ) - : this( permSet, PolicyStatementAttribute.Nothing ) - { - } - - public PolicyStatement( PermissionSet permSet, PolicyStatementAttribute attributes ) - { - if (permSet == null) - { - m_permSet = new PermissionSet( false ); - } - else - { - m_permSet = permSet.Copy(); - } - if (ValidProperties( attributes )) - { - m_attributes = attributes; - } - } - - private PolicyStatement( PermissionSet permSet, PolicyStatementAttribute attributes, bool copy ) - { - if (permSet != null) - { - if (copy) - m_permSet = permSet.Copy(); - else - m_permSet = permSet; - } - else - { - m_permSet = new PermissionSet( false ); - } - - m_attributes = attributes; - } - - public PermissionSet PermissionSet - { - get - { - lock (this) - { - return m_permSet.Copy(); - } - } - - set - { - lock (this) - { - if (value == null) - { - m_permSet = new PermissionSet( false ); - } - else - { - m_permSet = value.Copy(); - } - } - } - } - - internal void SetPermissionSetNoCopy( PermissionSet permSet ) - { - m_permSet = permSet; - } - - internal PermissionSet GetPermissionSetNoCopy() - { - lock (this) - { - return m_permSet; - } - } - - public PolicyStatementAttribute Attributes - { - get - { - return m_attributes; - } - - set - { - if (ValidProperties( value )) - { - m_attributes = value; - } - } - } - - public PolicyStatement Copy() - { - // The PolicyStatement .ctor will copy the permission set - return new PolicyStatement(m_permSet, Attributes, true); - } - - public String AttributeString - { - get - { - StringBuilder sb = new StringBuilder(); - - bool first = true; - - if (GetFlag((int) PolicyStatementAttribute.Exclusive )) - { - sb.Append( "Exclusive" ); - first = false; - } - if (GetFlag((int) PolicyStatementAttribute.LevelFinal )) - { - if (!first) - sb.Append( " " ); - sb.Append( "LevelFinal" ); - } - - return sb.ToString(); - } - } - - private static bool ValidProperties( PolicyStatementAttribute attributes ) - { - if ((attributes & ~(PolicyStatementAttribute.All)) == 0) - { - return true; - } - else - { - throw new ArgumentException( Environment.GetResourceString( "Argument_InvalidFlag" ) ); - } - } - - private bool GetFlag( int flag ) - { - return (flag & (int)m_attributes) != 0; - } - - /// <summary> - /// Union a child policy statement into this policy statement - /// </summary> - internal void InplaceUnion(PolicyStatement childPolicy) - { - BCLDebug.Assert(childPolicy != null, "childPolicy != null"); - - if (((Attributes & childPolicy.Attributes) & PolicyStatementAttribute.Exclusive) == PolicyStatementAttribute.Exclusive) - { - throw new PolicyException(Environment.GetResourceString( "Policy_MultipleExclusive" )); - } - - // We need to merge together our grant set and attributes. The result of this merge is - // dependent upon if we're merging a child marked exclusive or not. If the child is not - // exclusive, we need to union in its grant set and or in its attributes. However, if the child - // is exclusive then it is the only code group which should have an effect on the resulting - // grant set and therefore our grant should be ignored. - if ((childPolicy.Attributes & PolicyStatementAttribute.Exclusive) == PolicyStatementAttribute.Exclusive) - { - m_permSet = childPolicy.GetPermissionSetNoCopy(); - Attributes = childPolicy.Attributes; - } - else - { - m_permSet.InplaceUnion(childPolicy.GetPermissionSetNoCopy()); - Attributes = Attributes | childPolicy.Attributes; - } - } - - [System.Runtime.InteropServices.ComVisible(false)] - public override bool Equals( Object obj ) - { - PolicyStatement other = obj as PolicyStatement; - - if (other == null) - return false; - - if (this.m_attributes != other.m_attributes) - return false; - - if (!Object.Equals( this.m_permSet, other.m_permSet )) - return false; - - return true; - } - - [System.Runtime.InteropServices.ComVisible(false)] - public override int GetHashCode() - { - int accumulator = (int)this.m_attributes; - - if (m_permSet != null) - accumulator = accumulator ^ m_permSet.GetHashCode(); - - return accumulator; - } - - } -} - |