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//------------------------------------------------------------------------------
// <copyright file="EventlogProvider.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Management {
using System;
using System.Configuration;
using System.Runtime.InteropServices;
using System.Collections.Specialized;
using System.Web.Util;
using System.Web.Configuration;
using System.Text;
using System.Reflection;
using System.Security.Permissions;
using System.IO;
using System.Runtime.InteropServices.ComTypes;
[ComImport, Guid("c84f668a-cc3f-11d7-b79e-505054503030"), System.Runtime.InteropServices.InterfaceTypeAttribute(System.Runtime.InteropServices.ComInterfaceType.InterfaceIsIUnknown)]
public interface IRegiisUtility {
void ProtectedConfigAction(long actionToPerform,
[In, MarshalAs(UnmanagedType.LPWStr)] string firstArgument,
[In, MarshalAs(UnmanagedType.LPWStr)] string secondArgument,
[In, MarshalAs(UnmanagedType.LPWStr)] string providerName,
[In, MarshalAs(UnmanagedType.LPWStr)] string appPath,
[In, MarshalAs(UnmanagedType.LPWStr)] string site,
[In, MarshalAs(UnmanagedType.LPWStr)] string cspOrLocation,
int keySize,
out IntPtr exception);
void RegisterSystemWebAssembly(int doReg, out IntPtr exception);
[SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)]
void RegisterAsnetMmcAssembly(int doReg, [In, MarshalAs(UnmanagedType.LPWStr)] string assemblyName, [In, MarshalAs(UnmanagedType.LPWStr)] string binaryDirectory, out IntPtr exception);
void RemoveBrowserCaps(out IntPtr exception);
}
public sealed class RegiisUtility : IRegiisUtility {
// The following two sets of constants are copied from register.cxx
const int WATSettingLocalOnly = 0;
const int WATSettingRequireSSL = 1;
const int WATSettingAuthSettings = 2;
const int WATSettingAuthMode = 3;
const int WATSettingMax = 4;
const int WATValueDoNothing = 0;
const int WATValueTrue = 1;
const int WATValueFalse = 2;
const int WATValueHosted = 3;
const int WATValueLocal = 4;
const int WATValueForms = 5;
const int WATValueWindows = 6;
// Note: this name has to match the name used in System.Configuration.RsaProtectedConfigurationProvider
const string DefaultRsaKeyContainerName = "NetFrameworkConfigurationKey";
const string NewLine = "\n\r";
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
public void RegisterSystemWebAssembly(int doReg, out IntPtr exception)
{
exception = IntPtr.Zero;
try {
Assembly webAssembly = Assembly.GetExecutingAssembly();
RegistrationServices rs = new RegistrationServices();
if (doReg != 0)
{
if (!rs.RegisterAssembly(webAssembly, AssemblyRegistrationFlags.None))
exception = Marshal.StringToBSTR((new Exception(SR.GetString(SR.Unable_To_Register_Assembly, webAssembly.FullName))).ToString());
}
else
{
if (!rs.UnregisterAssembly(webAssembly))
exception = Marshal.StringToBSTR((new Exception(SR.GetString(SR.Unable_To_UnRegister_Assembly, webAssembly.FullName))).ToString());
}
}
catch (Exception e) {
exception = Marshal.StringToBSTR(e.ToString());
}
}
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
[SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)]
public void RegisterAsnetMmcAssembly(int doReg, string typeName, string binaryDirectory, out IntPtr exception)
{
exception = IntPtr.Zero;
try
{
Assembly webAssembly = Assembly.GetAssembly(Type.GetType(typeName, true));
RegistrationServices rs = new RegistrationServices();
if (doReg != 0)
{
if (!rs.RegisterAssembly(webAssembly, AssemblyRegistrationFlags.None))
exception = Marshal.StringToBSTR((new Exception(SR.GetString(SR.Unable_To_Register_Assembly, webAssembly.FullName))).ToString());
TypeLibConverter converter = new TypeLibConverter();
ConversionEventSink eventHandler = new ConversionEventSink();
IRegisterCreateITypeLib typeLib = (IRegisterCreateITypeLib)converter.ConvertAssemblyToTypeLib(webAssembly, System.IO.Path.Combine(binaryDirectory, "AspNetMMCExt.tlb"), 0, eventHandler);
typeLib.SaveAllChanges();
}
else
{
// Consider deleting tlb file
if (!rs.UnregisterAssembly(webAssembly))
exception = Marshal.StringToBSTR((new Exception(SR.GetString(SR.Unable_To_UnRegister_Assembly, webAssembly.FullName))).ToString());
try {
File.Delete(System.IO.Path.Combine(binaryDirectory, "AspNetMMCExt.tlb"));
}
catch {
}
}
}
catch (Exception e)
{
exception = Marshal.StringToBSTR(e.ToString());
}
}
[ComImport, GuidAttribute("00020406-0000-0000-C000-000000000046"), InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown), ComVisible(false)]
interface IRegisterCreateITypeLib
{
void CreateTypeInfo();
void SetName();
void SetVersion();
void SetGuid();
void SetDocString();
void SetHelpFileName();
void SetHelpContext();
void SetLcid();
void SetLibFlags();
void SaveAllChanges();
}
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
private const long DO_RSA_ENCRYPT = 0x0000000100000000;
private const long DO_RSA_DECRYPT = 0x0000000200000000;
private const long DO_RSA_ADD_KEY = 0x0000000400000000;
private const long DO_RSA_DEL_KEY = 0x0000000800000000;
private const long DO_RSA_ACL_KEY_ADD = 0x0000001000000000;
private const long DO_RSA_ACL_KEY_DEL = 0x0000002000000000;
private const long DO_RSA_EXPORT_KEY = 0x0000004000000000;
private const long DO_RSA_IMPORT_KEY = 0x0000008000000000;
private const long DO_RSA_PKM = 0x0000080000000000;
private const long DO_RSA_PKU = 0x0000100000000000;
private const long DO_RSA_EXPORTABLE = 0x0000400000000000;
private const long DO_RSA_FULL_ACCESS = 0x0000800000000000;
private const long DO_RSA_PRIVATE = 0x0001000000000000;
private const long DO_RSA_ENCRYPT_FILE = 0x0004000000000000;
private const long DO_RSA_DECRYPT_FILE = 0x0008000000000000;
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
public void ProtectedConfigAction(long options, string firstArgument, string secondArgument, string providerName, string appPath, string site, string cspOrLocation, int keySize, out IntPtr exception)
{
exception = IntPtr.Zero;
try {
if ((options & DO_RSA_ENCRYPT) != 0) {
DoProtectSection(firstArgument, providerName, appPath, site, cspOrLocation, (options & DO_RSA_PKM) != 0);
} else if ((options & DO_RSA_DECRYPT) != 0) {
DoUnprotectSection(firstArgument, appPath, site, cspOrLocation, (options & DO_RSA_PKM) != 0);
} else if ((options & DO_RSA_ENCRYPT_FILE) != 0) {
DoProtectSectionFile(firstArgument, secondArgument, providerName);
} else if ((options & DO_RSA_DECRYPT_FILE) != 0) {
DoUnprotectSectionFile(firstArgument, secondArgument);
} else if ((options & DO_RSA_ADD_KEY) != 0) {
DoKeyCreate(firstArgument, cspOrLocation, options, keySize);
} else if ((options & DO_RSA_DEL_KEY) != 0) {
DoKeyDelete(firstArgument, cspOrLocation, options);
} else if ((options & DO_RSA_EXPORT_KEY) != 0) {
DoKeyExport(firstArgument, secondArgument, cspOrLocation, options);
} else if ((options & DO_RSA_IMPORT_KEY) != 0) {
DoKeyImport(firstArgument, secondArgument, cspOrLocation, options);
} else if ((options & DO_RSA_ACL_KEY_ADD) != 0 || (options & DO_RSA_ACL_KEY_DEL) != 0) {
DoKeyAclChange(firstArgument, secondArgument, cspOrLocation, options);
} else {
exception = Marshal.StringToBSTR(SR.GetString(SR.Command_not_recognized));
}
} catch (Exception e) {
StringBuilder sb = new StringBuilder();
GetExceptionMessage(e, sb);
exception = Marshal.StringToBSTR(sb.ToString());
}
}
private void GetExceptionMessage(Exception exception, StringBuilder sb) {
if (sb.Length != 0) {
sb.Append(NewLine);
}
if (exception is ConfigurationErrorsException) {
foreach(ConfigurationErrorsException e in ((ConfigurationErrorsException)exception).Errors) {
sb.Append(e.Message);
sb.Append(NewLine);
if (e.InnerException != null) {
sb.Append(NewLine);
sb.Append(e.InnerException.Message);
sb.Append(NewLine);
}
}
}
else {
sb.Append(exception.Message );
sb.Append(NewLine);
if (exception.InnerException != null) {
GetExceptionMessage(exception.InnerException, sb);
}
}
}
private void DoProtectSection(string configSection, string providerName, string appPath, string site, string location, bool useMachineConfig)
{
Configuration config;
ConfigurationSection section = GetConfigSection(configSection, appPath, site, location, useMachineConfig, out config);
if (section == null) // Throw an error that the section was not found.
throw new Exception(SR.GetString(SR.Configuration_Section_not_found, configSection));
section.SectionInformation.ProtectSection(providerName);
config.Save();
}
private void DoUnprotectSection(string configSection, string appPath, string site, string location, bool useMachineConfig)
{
Configuration config;
ConfigurationSection section = GetConfigSection(configSection, appPath, site, location, useMachineConfig, out config);
if (section == null) // Throw an error that the section was not found.
throw new Exception(SR.GetString(SR.Configuration_Section_not_found, configSection));
section.SectionInformation.UnprotectSection();
config.Save();
}
private void DoProtectSectionFile(string configSection, string dirName, string providerName)
{
Configuration config;
ConfigurationSection section = GetConfigSectionFile(configSection, dirName, out config);
if (section == null) // Throw an error that the section was not found.
throw new Exception(SR.GetString(SR.Configuration_Section_not_found, configSection));
section.SectionInformation.ProtectSection(providerName);
config.Save();
}
private void DoUnprotectSectionFile(string configSection, string dirName)
{
Configuration config;
ConfigurationSection section = GetConfigSectionFile(configSection, dirName, out config);
if (section == null) // Throw an error that the section was not found.
throw new Exception(SR.GetString(SR.Configuration_Section_not_found, configSection));
section.SectionInformation.UnprotectSection();
config.Save();
}
private ConfigurationSection GetConfigSectionFile(string configSection, string dirName, out Configuration config)
{
if (dirName == ".") {
dirName = Environment.CurrentDirectory;
} else {
if (!Path.IsPathRooted(dirName))
dirName = Path.Combine(Environment.CurrentDirectory, dirName);
if (!Directory.Exists(dirName))
throw new Exception(SR.GetString(SR.Configuration_for_physical_path_not_found, dirName));
}
WebConfigurationFileMap fileMap = new WebConfigurationFileMap();
string appVPath = dirName.Replace('\\', '/');
if (appVPath.Length > 2 && appVPath[1] == ':')
appVPath = appVPath.Substring(2);
else if (appVPath.StartsWith("//", StringComparison.Ordinal)) // UNC share?
appVPath = "/";
fileMap.VirtualDirectories.Add(appVPath, new VirtualDirectoryMapping(dirName, true));
try {
config = WebConfigurationManager.OpenMappedWebConfiguration(fileMap, appVPath);
}
catch (Exception e) {
throw new Exception(SR.GetString(SR.Configuration_for_physical_path_not_found, dirName), e);
}
return config.GetSection(configSection);
}
private ConfigurationSection GetConfigSection(string configSection, string appPath, string site, string location, bool useMachineConfig, out Configuration config)
{
if (string.IsNullOrEmpty(appPath)) {
appPath = null;
} else {
Debug.Assert(appPath.StartsWith("/", StringComparison.Ordinal), "This check is done in main.cxx in regiis");
}
if (string.IsNullOrEmpty(location))
location = null;
try {
if (useMachineConfig)
config = WebConfigurationManager.OpenMachineConfiguration(location);
else
config = WebConfigurationManager.OpenWebConfiguration(appPath, site, location);
}
catch (Exception e) {
if (useMachineConfig) {
throw new Exception(SR.GetString(SR.Configuration_for_machine_config_not_found), e);
}
else {
throw new Exception(SR.GetString(SR.Configuration_for_path_not_found, appPath,
String.IsNullOrEmpty(site) ? SR.GetString(SR.DefaultSiteName) : site), e);
}
}
return config.GetSection(configSection);
}
private void DoKeyCreate(string containerName, string csp, long options, int keySize)
{
if (containerName == null || containerName.Length < 1) {
containerName = DefaultRsaKeyContainerName;
}
uint returnHR = (uint)UnsafeNativeMethods.DoesKeyContainerExist(containerName, csp, ((options & DO_RSA_PKU) == 0) ? 1 : 0);
switch (returnHR) {
case 0:
throw new Exception(SR.GetString(SR.RSA_Key_Container_already_exists));
case 0x80090016: // Not found -- create it
RsaProtectedConfigurationProvider rsaProv = CreateRSAProvider(containerName, csp, options);
try {
rsaProv.AddKey(keySize, (options & DO_RSA_EXPORTABLE) != 0);
} catch {
rsaProv.DeleteKey();
throw;
}
return;
case 0x80070005:
throw new Exception(SR.GetString(SR.RSA_Key_Container_access_denied));
default:
Marshal.ThrowExceptionForHR((int)returnHR);
return;
}
}
private void DoKeyDelete(string containerName, string csp, long options)
{
if (containerName == null || containerName.Length < 1) {
containerName = DefaultRsaKeyContainerName;
}
MakeSureContainerExists(containerName, csp, (options & DO_RSA_PKU) == 0);
RsaProtectedConfigurationProvider rsaProv = CreateRSAProvider(containerName, csp, options);
rsaProv.DeleteKey();
}
private void DoKeyExport(string containerName, string fileName, string csp, long options)
{
if (!Path.IsPathRooted(fileName))
fileName = Path.Combine(Environment.CurrentDirectory, fileName);
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(fileName)))
throw new System.IO.DirectoryNotFoundException();
if (containerName == null || containerName.Length < 1) {
containerName = DefaultRsaKeyContainerName;
}
MakeSureContainerExists(containerName, csp, (options & DO_RSA_PKU) == 0);
RsaProtectedConfigurationProvider rsaProv = CreateRSAProvider(containerName, csp, options);
rsaProv.ExportKey(fileName, (options & DO_RSA_PRIVATE) != 0);
}
private void DoKeyImport(string containerName, string fileName, string csp, long options)
{
if (!System.IO.File.Exists(fileName))
throw new System.IO.FileNotFoundException();
if (containerName == null || containerName.Length < 1) {
containerName = DefaultRsaKeyContainerName;
}
RsaProtectedConfigurationProvider rsaProv = CreateRSAProvider(containerName, csp, options);
rsaProv.ImportKey(fileName, (options & DO_RSA_EXPORTABLE) != 0);
}
private void DoKeyAclChange(string containerName, string account, string csp, long options)
{
if (containerName == null || containerName.Length < 1) {
containerName = DefaultRsaKeyContainerName;
}
MakeSureContainerExists(containerName, csp, (options & DO_RSA_PKU) == 0);
int flags = 0;
if ((options & DO_RSA_ACL_KEY_ADD) != 0)
flags |= 0x1; // Add access
if ((options & DO_RSA_PKU) == 0)
flags |= 0x2;
if ((options & DO_RSA_FULL_ACCESS) != 0)
flags |= 0x4;
int returnHR = UnsafeNativeMethods.ChangeAccessToKeyContainer(containerName, account, csp, flags);
if (returnHR != 0)
Marshal.ThrowExceptionForHR(returnHR);
}
private RsaProtectedConfigurationProvider CreateRSAProvider(string containerName, string csp, long options)
{
RsaProtectedConfigurationProvider prov = new RsaProtectedConfigurationProvider();
NameValueCollection nvc = new NameValueCollection();
nvc.Add("keyContainerName", containerName);
nvc.Add("cspProviderName", csp);
nvc.Add("useMachineContainer", ((options & DO_RSA_PKU) != 0) ? "false" : "true");
prov.Initialize("foo", nvc);
return prov;
}
private static void MakeSureContainerExists(string containerName, string csp, bool machineContainer) {
uint returnHR = (uint) UnsafeNativeMethods.DoesKeyContainerExist(containerName, csp, machineContainer ? 1 : 0);
switch (returnHR) {
case 0:
return; // success!
case 0x80090016:
throw new Exception(SR.GetString(SR.RSA_Key_Container_not_found));
case 0x80070005:
throw new Exception(SR.GetString(SR.RSA_Key_Container_access_denied));
default:
Marshal.ThrowExceptionForHR((int)returnHR);
return;
}
}
public void RemoveBrowserCaps(out IntPtr exception) {
try {
BrowserCapabilitiesCodeGenerator generator = new BrowserCapabilitiesCodeGenerator();
generator.UninstallInternal();
exception = IntPtr.Zero;
}
catch (Exception e) {
exception = Marshal.StringToBSTR(e.Message);
}
}
}
class ConversionEventSink : ITypeLibExporterNotifySink
{
public void ReportEvent(ExporterEventKind eventKind, int eventCode, string eventMsg)
{
// Handle the warning event here.
}
public Object ResolveRef(Assembly assemblyReference)
{
// Resolve the reference here and return a correct type library.
return null;
}
}
}
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