Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / clr / src / BCL / System / Security / Policy / FileCodeGroup.cs / 1 / FileCodeGroup.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // FileCodeGroup.cs // // Representation for code groups used for the policy mechanism. // namespace System.Security.Policy { using System; using System.Collections; using System.Globalization; using System.Security.Permissions; using System.Security.Util; using System.Runtime.Serialization; using System.Runtime.Versioning; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] sealed public class FileCodeGroup : CodeGroup, IUnionSemanticCodeGroup { private FileIOPermissionAccess m_access; internal FileCodeGroup() : base() {} public FileCodeGroup(IMembershipCondition membershipCondition, FileIOPermissionAccess access) : base(membershipCondition, (PolicyStatement)null) { m_access = access; } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] public override PolicyStatement Resolve(Evidence evidence) { if (evidence == null) throw new ArgumentNullException("evidence"); object usedEvidence = null; if (PolicyManager.CheckMembershipCondition(MembershipCondition, evidence, out usedEvidence)) { PolicyStatement thisPolicy = CalculateAssemblyPolicy(evidence); // If any delay-evidence was used to generate this grant set, then we need to keep track of // that for potentially later forcing it to be verified. IDelayEvaluatedEvidence delayEvidence = usedEvidence as IDelayEvaluatedEvidence; bool delayEvidenceNeedsVerification = delayEvidence != null && !delayEvidence.IsVerified; if (delayEvidenceNeedsVerification) { thisPolicy.AddDependentEvidence(delayEvidence); } bool foundExclusiveChild = false; IEnumerator enumerator = this.Children.GetEnumerator(); while (enumerator.MoveNext() && !foundExclusiveChild) { PolicyStatement childPolicy = PolicyManager.ResolveCodeGroup(enumerator.Current as CodeGroup, evidence); if (childPolicy != null) { thisPolicy.InplaceUnion(childPolicy); if ((childPolicy.Attributes & PolicyStatementAttribute.Exclusive) == PolicyStatementAttribute.Exclusive) { foundExclusiveChild = true; } } } return thisPolicy; } else { return null; } } ///[ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] PolicyStatement IUnionSemanticCodeGroup.InternalResolve(Evidence evidence) { if (evidence == null) throw new ArgumentNullException("evidence"); if (this.MembershipCondition.Check(evidence)) { return CalculateAssemblyPolicy(evidence); } return null; } public override CodeGroup ResolveMatchingCodeGroups(Evidence evidence) { if (evidence == null) throw new ArgumentNullException("evidence"); if (this.MembershipCondition.Check(evidence)) { CodeGroup retGroup = this.Copy(); retGroup.Children = new ArrayList(); IEnumerator enumerator = this.Children.GetEnumerator(); while (enumerator.MoveNext()) { CodeGroup matchingGroups = ((CodeGroup)enumerator.Current).ResolveMatchingCodeGroups(evidence); // If the child has a policy, we are done. if (matchingGroups != null) retGroup.AddChild(matchingGroups); } return retGroup; } else { return null; } } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] internal PolicyStatement CalculatePolicy(Url url) { URLString urlString = url.GetURLString(); if (String.Compare(urlString.Scheme, "file", StringComparison.OrdinalIgnoreCase) != 0) return null; string directory = urlString.GetDirectoryName(); PermissionSet permSet = new PermissionSet(PermissionState.None); permSet.SetPermission(new FileIOPermission(m_access, System.IO.Path.GetFullPath(directory))); return new PolicyStatement(permSet, PolicyStatementAttribute.Nothing); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] private PolicyStatement CalculateAssemblyPolicy(Evidence evidence) { PolicyStatement thisPolicy = null; IEnumerator evidenceEnumerator = evidence.GetHostEnumerator(); while (evidenceEnumerator.MoveNext()) { Url url = evidenceEnumerator.Current as Url; if (url != null) thisPolicy = CalculatePolicy(url); } if (thisPolicy == null) thisPolicy = new PolicyStatement(new PermissionSet(false), PolicyStatementAttribute.Nothing); return thisPolicy; } public override CodeGroup Copy() { FileCodeGroup group = new FileCodeGroup(this.MembershipCondition, this.m_access); group.Name = this.Name; group.Description = this.Description; IEnumerator enumerator = this.Children.GetEnumerator(); while (enumerator.MoveNext()) { group.AddChild((CodeGroup)enumerator.Current); } return group; } public override string MergeLogic { get { return Environment.GetResourceString("MergeLogic_Union"); } } public override string PermissionSetName { get { return String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("FileCodeGroup_PermissionSet"), XMLUtil.BitFieldEnumToString(typeof(FileIOPermissionAccess), m_access)); } } public override string AttributeString { get { return null; } } protected override void CreateXml(SecurityElement element, PolicyLevel level) { element.AddAttribute("Access", XMLUtil.BitFieldEnumToString(typeof(FileIOPermissionAccess), m_access)); } protected override void ParseXml(SecurityElement e, PolicyLevel level) { string access = e.Attribute("Access"); if (access != null) m_access = (FileIOPermissionAccess) Enum.Parse(typeof(FileIOPermissionAccess), access); else m_access = FileIOPermissionAccess.NoAccess; } public override bool Equals(Object o) { FileCodeGroup that = (o as FileCodeGroup); if (that != null && base.Equals(that)) { if (this.m_access == that.m_access) return true; } return false; } public override int GetHashCode() { return base.GetHashCode() + m_access.GetHashCode(); } internal override string GetTypeName() { return "System.Security.Policy.FileCodeGroup"; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // FileCodeGroup.cs // // Representation for code groups used for the policy mechanism. // namespace System.Security.Policy { using System; using System.Collections; using System.Globalization; using System.Security.Permissions; using System.Security.Util; using System.Runtime.Serialization; using System.Runtime.Versioning; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] sealed public class FileCodeGroup : CodeGroup, IUnionSemanticCodeGroup { private FileIOPermissionAccess m_access; internal FileCodeGroup() : base() {} public FileCodeGroup(IMembershipCondition membershipCondition, FileIOPermissionAccess access) : base(membershipCondition, (PolicyStatement)null) { m_access = access; } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] public override PolicyStatement Resolve(Evidence evidence) { if (evidence == null) throw new ArgumentNullException("evidence"); object usedEvidence = null; if (PolicyManager.CheckMembershipCondition(MembershipCondition, evidence, out usedEvidence)) { PolicyStatement thisPolicy = CalculateAssemblyPolicy(evidence); // If any delay-evidence was used to generate this grant set, then we need to keep track of // that for potentially later forcing it to be verified. IDelayEvaluatedEvidence delayEvidence = usedEvidence as IDelayEvaluatedEvidence; bool delayEvidenceNeedsVerification = delayEvidence != null && !delayEvidence.IsVerified; if (delayEvidenceNeedsVerification) { thisPolicy.AddDependentEvidence(delayEvidence); } bool foundExclusiveChild = false; IEnumerator enumerator = this.Children.GetEnumerator(); while (enumerator.MoveNext() && !foundExclusiveChild) { PolicyStatement childPolicy = PolicyManager.ResolveCodeGroup(enumerator.Current as CodeGroup, evidence); if (childPolicy != null) { thisPolicy.InplaceUnion(childPolicy); if ((childPolicy.Attributes & PolicyStatementAttribute.Exclusive) == PolicyStatementAttribute.Exclusive) { foundExclusiveChild = true; } } } return thisPolicy; } else { return null; } } /// [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] PolicyStatement IUnionSemanticCodeGroup.InternalResolve(Evidence evidence) { if (evidence == null) throw new ArgumentNullException("evidence"); if (this.MembershipCondition.Check(evidence)) { return CalculateAssemblyPolicy(evidence); } return null; } public override CodeGroup ResolveMatchingCodeGroups(Evidence evidence) { if (evidence == null) throw new ArgumentNullException("evidence"); if (this.MembershipCondition.Check(evidence)) { CodeGroup retGroup = this.Copy(); retGroup.Children = new ArrayList(); IEnumerator enumerator = this.Children.GetEnumerator(); while (enumerator.MoveNext()) { CodeGroup matchingGroups = ((CodeGroup)enumerator.Current).ResolveMatchingCodeGroups(evidence); // If the child has a policy, we are done. if (matchingGroups != null) retGroup.AddChild(matchingGroups); } return retGroup; } else { return null; } } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] internal PolicyStatement CalculatePolicy(Url url) { URLString urlString = url.GetURLString(); if (String.Compare(urlString.Scheme, "file", StringComparison.OrdinalIgnoreCase) != 0) return null; string directory = urlString.GetDirectoryName(); PermissionSet permSet = new PermissionSet(PermissionState.None); permSet.SetPermission(new FileIOPermission(m_access, System.IO.Path.GetFullPath(directory))); return new PolicyStatement(permSet, PolicyStatementAttribute.Nothing); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] private PolicyStatement CalculateAssemblyPolicy(Evidence evidence) { PolicyStatement thisPolicy = null; IEnumerator evidenceEnumerator = evidence.GetHostEnumerator(); while (evidenceEnumerator.MoveNext()) { Url url = evidenceEnumerator.Current as Url; if (url != null) thisPolicy = CalculatePolicy(url); } if (thisPolicy == null) thisPolicy = new PolicyStatement(new PermissionSet(false), PolicyStatementAttribute.Nothing); return thisPolicy; } public override CodeGroup Copy() { FileCodeGroup group = new FileCodeGroup(this.MembershipCondition, this.m_access); group.Name = this.Name; group.Description = this.Description; IEnumerator enumerator = this.Children.GetEnumerator(); while (enumerator.MoveNext()) { group.AddChild((CodeGroup)enumerator.Current); } return group; } public override string MergeLogic { get { return Environment.GetResourceString("MergeLogic_Union"); } } public override string PermissionSetName { get { return String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("FileCodeGroup_PermissionSet"), XMLUtil.BitFieldEnumToString(typeof(FileIOPermissionAccess), m_access)); } } public override string AttributeString { get { return null; } } protected override void CreateXml(SecurityElement element, PolicyLevel level) { element.AddAttribute("Access", XMLUtil.BitFieldEnumToString(typeof(FileIOPermissionAccess), m_access)); } protected override void ParseXml(SecurityElement e, PolicyLevel level) { string access = e.Attribute("Access"); if (access != null) m_access = (FileIOPermissionAccess) Enum.Parse(typeof(FileIOPermissionAccess), access); else m_access = FileIOPermissionAccess.NoAccess; } public override bool Equals(Object o) { FileCodeGroup that = (o as FileCodeGroup); if (that != null && base.Equals(that)) { if (this.m_access == that.m_access) return true; } return false; } public override int GetHashCode() { return base.GetHashCode() + m_access.GetHashCode(); } internal override string GetTypeName() { return "System.Security.Policy.FileCodeGroup"; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TypeBrowserDialog.cs
- ContainerSelectorGlyph.cs
- XmlDeclaration.cs
- Oid.cs
- DataSourceXmlTextReader.cs
- DialogResultConverter.cs
- PauseStoryboard.cs
- ColorPalette.cs
- AllMembershipCondition.cs
- XmlSchemaSimpleContentExtension.cs
- RepeaterItemEventArgs.cs
- OleDbCommandBuilder.cs
- SmiEventSink_Default.cs
- HttpCookiesSection.cs
- EventSinkActivityDesigner.cs
- DebugInfoExpression.cs
- ActionItem.cs
- Control.cs
- MultipartIdentifier.cs
- ColumnMapCopier.cs
- HtmlInputControl.cs
- TrustManagerMoreInformation.cs
- ResourcesGenerator.cs
- ContextStaticAttribute.cs
- CryptoConfig.cs
- StringExpressionSet.cs
- ReverseInheritProperty.cs
- DayRenderEvent.cs
- ExplicitDiscriminatorMap.cs
- SqlTypeConverter.cs
- CompositeControl.cs
- x509utils.cs
- __Filters.cs
- DiffuseMaterial.cs
- PropertyChangedEventArgs.cs
- RequestCachingSection.cs
- HttpDictionary.cs
- UserInitiatedRoutedEventPermissionAttribute.cs
- SmtpNtlmAuthenticationModule.cs
- DebugTrace.cs
- WindowPattern.cs
- DictionaryContent.cs
- InputLanguageManager.cs
- TreeWalkHelper.cs
- NetworkInformationPermission.cs
- TemplateAction.cs
- Stacktrace.cs
- DataGridViewColumnEventArgs.cs
- XMLSchema.cs
- DataGridViewRowContextMenuStripNeededEventArgs.cs
- RectAnimationClockResource.cs
- DetailsViewDeleteEventArgs.cs
- XPathEmptyIterator.cs
- TypeSystem.cs
- CacheAxisQuery.cs
- SqlCacheDependencySection.cs
- ZipPackage.cs
- MethodImplAttribute.cs
- EntityContainerAssociationSet.cs
- StateElement.cs
- StyleModeStack.cs
- FlowDocumentPaginator.cs
- AutomationTextAttribute.cs
- SoapClientProtocol.cs
- WebConfigurationFileMap.cs
- FormsAuthenticationConfiguration.cs
- StackSpiller.cs
- FontStretches.cs
- WebPartEditorCancelVerb.cs
- ParseNumbers.cs
- unsafenativemethodstextservices.cs
- PermissionRequestEvidence.cs
- InfoCard.cs
- HttpDebugHandler.cs
- AlternateView.cs
- CopyCodeAction.cs
- OleDbConnectionPoolGroupProviderInfo.cs
- SecUtil.cs
- ActivitySurrogateSelector.cs
- documentsequencetextcontainer.cs
- QueryContinueDragEvent.cs
- Condition.cs
- DataGridViewColumnStateChangedEventArgs.cs
- NumericPagerField.cs
- InputDevice.cs
- WizardSideBarListControlItemEventArgs.cs
- InternalControlCollection.cs
- DES.cs
- AbstractDataSvcMapFileLoader.cs
- WebPartAddingEventArgs.cs
- CodeGeneratorOptions.cs
- EventWaitHandle.cs
- CodeFieldReferenceExpression.cs
- StreamInfo.cs
- Size3D.cs
- WebPartDisplayMode.cs
- UnaryNode.cs
- Helpers.cs
- NativeObjectSecurity.cs
- XmlSignatureManifest.cs