Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / Tools / WSATConfig / Configuration / FirewallWrapper.cs / 1 / FirewallWrapper.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace Microsoft.Tools.ServiceModel.WsatConfig { using System; using System.Collections.Generic; using System.Text; using System.Runtime.InteropServices; using System.Collections; using System.Security.Permissions; class FirewallWrapper { const string FwMgrClassId = "{304CE942-6E39-40D8-943A-B913C40C9CD4}"; const string FwOpenPortClassId = "{0CA545C6-37AD-4A6C-BF92-9F7610067EF5}"; INetFirewallMgr manager = null; INetFirewallOpenPortsCollection openPorts = null; INetFirewallPolicy localPolicy = null; INetFirewallProfile currentProfile = null; [SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)] internal FirewallWrapper() { try { this.manager = (INetFirewallMgr)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(FwMgrClassId))); this.localPolicy = this.manager.LocalPolicy; this.currentProfile = this.localPolicy.CurrentProfile; this.openPorts = this.currentProfile.GloballyOpenPorts; } catch (COMException) { this.manager = null; this.localPolicy = null; this.currentProfile = null; this.openPorts = null; } catch (MethodAccessException ex) { throw new WsatAdminException(WsatAdminErrorCode.FIREWALL_ACCESS_DENIED, SR.GetString(SR.FirewallAccessDenied), ex); } } bool IsHttpsPortOpened(int port) { foreach (INetFirewallOpenPort openPort in this.openPorts) { if (openPort.Port == port) { return true; } } return false; } internal void AddHttpsPort(int portToAdd) { // //if portToAdd is already opened, adding it anyway will remove the old entry // if (portToAdd < 0 || this.openPorts == null || IsHttpsPortOpened(portToAdd)) { return; } try { INetFirewallOpenPort openPort = (INetFirewallOpenPort)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(FwOpenPortClassId))); openPort.Enabled = true; openPort.IPVersion = NetFirewallIPVersion.Any; openPort.Name = SR.GetString(SR.HTTPSPortName); openPort.Port = portToAdd; openPort.Protocol = NetFirewallIPProtocol.Tcp; openPort.Scope = NetFirewallScope.All; this.openPorts.Add(openPort); } catch (COMException e) { throw new WsatAdminException(WsatAdminErrorCode.UNEXPECTED_FIREWALL_CONFIG_ERROR, SR.GetString(SR.UnexpectedFirewallError, e.Message), e); } catch (MethodAccessException e) { throw new WsatAdminException(WsatAdminErrorCode.FIREWALL_ACCESS_DENIED, SR.GetString(SR.FirewallAccessDenied), e); } catch (UnauthorizedAccessException e) { throw new WsatAdminException(WsatAdminErrorCode.FIREWALL_ACCESS_DENIED, SR.GetString(SR.FirewallAccessDenied), e); } } internal void RemoveHttpsPort(int portToRemove) { if (portToRemove<0 || this.openPorts == null) { return; } Listports = new List (); foreach (INetFirewallOpenPort port in this.openPorts) { if (port.Port == portToRemove && Utilities.SafeCompare(port.Name, SR.GetString(SR.HTTPSPortName))) { ports.Add(port); // continue to remove other ports under the WSAT port name to minimize security attack // surface for the machine, but throw out an exception in the end } } bool accessDenied = false; foreach (INetFirewallOpenPort port in ports) { try { this.openPorts.Remove(port.Port, port.Protocol); } catch (UnauthorizedAccessException) { accessDenied = true; } } if (accessDenied) { // at least one port could not be removed due to permission denied throw new WsatAdminException(WsatAdminErrorCode.FIREWALL_ACCESS_DENIED, SR.GetString(SR.FirewallAccessDenied)); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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