Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Net / System / Net / _NativeSSPI.cs / 2 / _NativeSSPI.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Net {
using System.Net.Sockets;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Globalization;
// need a global so we can pass the interfaces as variables,
// is there a better way?
internal static class GlobalSSPI {
internal static SSPIInterface SSPIAuth = new SSPIAuthType();
internal static SSPIInterface SSPISecureChannel = new SSPISecureChannelType();
}
// used to define the interface for security to use.
internal interface SSPIInterface {
SecurityPackageInfoClass[] SecurityPackages { get; set; }
int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray);
int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential);
int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential);
int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential);
int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
int QueryContextChannelBinding(SafeDeleteContext phContext, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding refHandle);
int QueryContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle);
int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken);
int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers);
}
// For SSL connections:
// on Win9x use schannel.dll, on NT we don't care, since its the same DLL
internal class SSPISecureChannelType : SSPIInterface {
private static readonly SecurDll Library = ComNetOS.IsWin9x ? SecurDll.SCHANNEL : SecurDll.SECURITY;
private static SecurityPackageInfoClass[] m_SecurityPackages;
public SecurityPackageInfoClass[] SecurityPackages {
get {
return m_SecurityPackages;
}
set {
m_SecurityPackages = value;
}
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray) {
GlobalLog.Print("SSPISecureChannelType::EnumerateSecurityPackages()");
return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray);
}
public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential);
}
public int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireDefaultCredential(Library, moduleName, usage, out outCredential);
}
public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential);
}
public int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags);
}
public int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags);
}
public int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags);
}
public int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags);
}
private int EncryptMessageHelper9x(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber)
{
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeSSLWin9xSSPI.SealMessage(ref context._handle, 0, inputOutput, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
private int EncryptMessageHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber)
{
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, 0, inputOutput, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
//this ----s, but its the only way to get around the constrained region requirements
public int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
return EncryptMessageHelper9x(context,inputOutput,sequenceNumber);
}
else{
return EncryptMessageHelper(context,inputOutput,sequenceNumber);
}
}
private int DecryptMessageHelper9x(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeSSLWin9xSSPI.UnsealMessage(ref context._handle, inputOutput, IntPtr.Zero, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
private unsafe int DecryptMessageHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, null);
context.DangerousRelease();
}
}
return status;
}
public int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
return DecryptMessageHelper9x(context,inputOutput,sequenceNumber);
}
else{
return DecryptMessageHelper(context,inputOutput,sequenceNumber);
}
}
public int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
throw ExceptionHelper.MethodNotSupportedException;
}
public int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
throw ExceptionHelper.MethodNotSupportedException;
}
public unsafe int QueryContextChannelBinding(SafeDeleteContext phContext, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding refHandle)
{
refHandle = SafeFreeContextBufferChannelBinding.CreateEmptyHandle(Library);
// bindings is on the stack, so there's no need for a fixed block
Bindings bindings = new Bindings();
return SafeFreeContextBufferChannelBinding.QueryContextChannelBinding(Library, phContext, attribute, &bindings, refHandle);
}
public unsafe int QueryContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle) {
refHandle = null;
if (handleType != null) {
if (handleType == typeof(SafeFreeContextBuffer)) {
refHandle = SafeFreeContextBuffer.CreateEmptyHandle(Library);
}
else if (handleType == typeof(SafeFreeCertContext)) {
refHandle = new SafeFreeCertContext();
}
else {
throw new ArgumentException(SR.GetString(SR.SSPIInvalidHandleType, handleType.FullName), "handleType");
}
}
fixed (byte* bufferPtr = buffer) {
return SafeFreeContextBuffer.QueryContextAttributes(Library, phContext, attribute, bufferPtr, refHandle);
}
}
public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) {
throw new NotSupportedException();
}
public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) {
throw new NotSupportedException();
}
}
// For Authentication (Kerberos, NTLM, Negotiate and WDigest):
// on Win9x use schannel.dll, on NT we don't care, since its the same DLL
internal class SSPIAuthType : SSPIInterface {
private static readonly SecurDll Library = ComNetOS.IsWin9x ? SecurDll.SECUR32 : SecurDll.SECURITY;
private static SecurityPackageInfoClass[] m_SecurityPackages;
public SecurityPackageInfoClass[] SecurityPackages {
get {
return m_SecurityPackages;
}
set {
m_SecurityPackages = value;
}
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray) {
GlobalLog.Print("SSPIAuthType::EnumerateSecurityPackages()");
return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray);
}
public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential);
}
public int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireDefaultCredential(Library, moduleName, usage, out outCredential);
}
public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential);
}
public int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags);
}
public int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags);
}
public int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags);
}
public int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags);
}
private int EncryptMessageHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, 0, inputOutput, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
public int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
throw ExceptionHelper.MethodNotImplementedException;
}
else{
return EncryptMessageHelper(context,inputOutput,sequenceNumber);
}
}
private unsafe int DecryptMessageHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
uint qop = 0;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, &qop);
context.DangerousRelease();
}
}
const uint SECQOP_WRAP_NO_ENCRYPT = 0x80000001;
if (status == 0 && qop == SECQOP_WRAP_NO_ENCRYPT)
{
GlobalLog.Assert("NativeNTSSPI.DecryptMessage", "Expected qop = 0, returned value = " + qop.ToString("x", CultureInfo.InvariantCulture));
throw new InvalidOperationException(SR.GetString(SR.net_auth_message_not_encrypted));
}
return status;
}
public int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
throw ExceptionHelper.MethodNotImplementedException;
}
else{
return DecryptMessageHelper(context,inputOutput,sequenceNumber);
}
}
private int MakeSignatureHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
const uint SECQOP_WRAP_NO_ENCRYPT = 0x80000001;
status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, SECQOP_WRAP_NO_ENCRYPT, inputOutput, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
public int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
throw ExceptionHelper.MethodNotImplementedException;
}
else{
return MakeSignatureHelper(context,inputOutput,sequenceNumber);
}
}
private unsafe int VerifySignatureHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
uint qop = 0;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, &qop);
context.DangerousRelease();
}
}
return status;
}
public int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
throw ExceptionHelper.MethodNotImplementedException;
}
else{
return VerifySignatureHelper(context,inputOutput,sequenceNumber);
}
}
public int QueryContextChannelBinding(SafeDeleteContext context, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding binding)
{
// Querying an auth SSP for a CBT doesn't make sense
binding = null;
throw new NotSupportedException();
}
public unsafe int QueryContextAttributes(SafeDeleteContext context, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle) {
refHandle = null;
if (handleType != null) {
if (handleType == typeof(SafeFreeContextBuffer)) {
refHandle = SafeFreeContextBuffer.CreateEmptyHandle(Library);
}
else if (handleType == typeof(SafeFreeCertContext)) {
refHandle = new SafeFreeCertContext();
}
else {
throw new ArgumentException(SR.GetString(SR.SSPIInvalidHandleType, handleType.FullName), "handleType");
}
}
fixed (byte* bufferPtr = buffer) {
return SafeFreeContextBuffer.QueryContextAttributes(Library, context, attribute, bufferPtr, refHandle);
}
}
public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) {
if (ComNetOS.IsWin9x) {
throw new NotSupportedException();
}
else {
return SafeCloseHandle.GetSecurityContextToken(phContext, out phToken);
}
}
public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) {
if (ComNetOS.IsWin9x) {
throw new NotSupportedException();
}
else {
return SafeDeleteContext.CompleteAuthToken(Library, ref refContext, inputBuffers);
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Net {
using System.Net.Sockets;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Globalization;
// need a global so we can pass the interfaces as variables,
// is there a better way?
internal static class GlobalSSPI {
internal static SSPIInterface SSPIAuth = new SSPIAuthType();
internal static SSPIInterface SSPISecureChannel = new SSPISecureChannelType();
}
// used to define the interface for security to use.
internal interface SSPIInterface {
SecurityPackageInfoClass[] SecurityPackages { get; set; }
int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray);
int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential);
int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential);
int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential);
int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
int QueryContextChannelBinding(SafeDeleteContext phContext, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding refHandle);
int QueryContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle);
int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken);
int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers);
}
// For SSL connections:
// on Win9x use schannel.dll, on NT we don't care, since its the same DLL
internal class SSPISecureChannelType : SSPIInterface {
private static readonly SecurDll Library = ComNetOS.IsWin9x ? SecurDll.SCHANNEL : SecurDll.SECURITY;
private static SecurityPackageInfoClass[] m_SecurityPackages;
public SecurityPackageInfoClass[] SecurityPackages {
get {
return m_SecurityPackages;
}
set {
m_SecurityPackages = value;
}
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray) {
GlobalLog.Print("SSPISecureChannelType::EnumerateSecurityPackages()");
return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray);
}
public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential);
}
public int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireDefaultCredential(Library, moduleName, usage, out outCredential);
}
public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential);
}
public int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags);
}
public int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags);
}
public int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags);
}
public int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags);
}
private int EncryptMessageHelper9x(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber)
{
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeSSLWin9xSSPI.SealMessage(ref context._handle, 0, inputOutput, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
private int EncryptMessageHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber)
{
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, 0, inputOutput, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
//this ----s, but its the only way to get around the constrained region requirements
public int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
return EncryptMessageHelper9x(context,inputOutput,sequenceNumber);
}
else{
return EncryptMessageHelper(context,inputOutput,sequenceNumber);
}
}
private int DecryptMessageHelper9x(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeSSLWin9xSSPI.UnsealMessage(ref context._handle, inputOutput, IntPtr.Zero, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
private unsafe int DecryptMessageHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, null);
context.DangerousRelease();
}
}
return status;
}
public int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
return DecryptMessageHelper9x(context,inputOutput,sequenceNumber);
}
else{
return DecryptMessageHelper(context,inputOutput,sequenceNumber);
}
}
public int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
throw ExceptionHelper.MethodNotSupportedException;
}
public int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
throw ExceptionHelper.MethodNotSupportedException;
}
public unsafe int QueryContextChannelBinding(SafeDeleteContext phContext, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding refHandle)
{
refHandle = SafeFreeContextBufferChannelBinding.CreateEmptyHandle(Library);
// bindings is on the stack, so there's no need for a fixed block
Bindings bindings = new Bindings();
return SafeFreeContextBufferChannelBinding.QueryContextChannelBinding(Library, phContext, attribute, &bindings, refHandle);
}
public unsafe int QueryContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle) {
refHandle = null;
if (handleType != null) {
if (handleType == typeof(SafeFreeContextBuffer)) {
refHandle = SafeFreeContextBuffer.CreateEmptyHandle(Library);
}
else if (handleType == typeof(SafeFreeCertContext)) {
refHandle = new SafeFreeCertContext();
}
else {
throw new ArgumentException(SR.GetString(SR.SSPIInvalidHandleType, handleType.FullName), "handleType");
}
}
fixed (byte* bufferPtr = buffer) {
return SafeFreeContextBuffer.QueryContextAttributes(Library, phContext, attribute, bufferPtr, refHandle);
}
}
public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) {
throw new NotSupportedException();
}
public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) {
throw new NotSupportedException();
}
}
// For Authentication (Kerberos, NTLM, Negotiate and WDigest):
// on Win9x use schannel.dll, on NT we don't care, since its the same DLL
internal class SSPIAuthType : SSPIInterface {
private static readonly SecurDll Library = ComNetOS.IsWin9x ? SecurDll.SECUR32 : SecurDll.SECURITY;
private static SecurityPackageInfoClass[] m_SecurityPackages;
public SecurityPackageInfoClass[] SecurityPackages {
get {
return m_SecurityPackages;
}
set {
m_SecurityPackages = value;
}
}
public int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray) {
GlobalLog.Print("SSPIAuthType::EnumerateSecurityPackages()");
return SafeFreeContextBuffer.EnumeratePackages(Library, out pkgnum, out pkgArray);
}
public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential);
}
public int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireDefaultCredential(Library, moduleName, usage, out outCredential);
}
public int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential) {
return SafeFreeCredentials.AcquireCredentialsHandle(Library, moduleName, usage, ref authdata, out outCredential);
}
public int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags);
}
public int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.AcceptSecurityContext(Library, ref credential, ref context, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags);
}
public int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, inputBuffer, null, outputBuffer, ref outFlags);
}
public int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags) {
return SafeDeleteContext.InitializeSecurityContext(Library, ref credential, ref context, targetName, inFlags, endianness, null, inputBuffers, outputBuffer, ref outFlags);
}
private int EncryptMessageHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, 0, inputOutput, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
public int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
throw ExceptionHelper.MethodNotImplementedException;
}
else{
return EncryptMessageHelper(context,inputOutput,sequenceNumber);
}
}
private unsafe int DecryptMessageHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
uint qop = 0;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, &qop);
context.DangerousRelease();
}
}
const uint SECQOP_WRAP_NO_ENCRYPT = 0x80000001;
if (status == 0 && qop == SECQOP_WRAP_NO_ENCRYPT)
{
GlobalLog.Assert("NativeNTSSPI.DecryptMessage", "Expected qop = 0, returned value = " + qop.ToString("x", CultureInfo.InvariantCulture));
throw new InvalidOperationException(SR.GetString(SR.net_auth_message_not_encrypted));
}
return status;
}
public int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
throw ExceptionHelper.MethodNotImplementedException;
}
else{
return DecryptMessageHelper(context,inputOutput,sequenceNumber);
}
}
private int MakeSignatureHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
const uint SECQOP_WRAP_NO_ENCRYPT = 0x80000001;
status = UnsafeNclNativeMethods.NativeNTSSPI.EncryptMessage(ref context._handle, SECQOP_WRAP_NO_ENCRYPT, inputOutput, sequenceNumber);
context.DangerousRelease();
}
}
return status;
}
public int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
throw ExceptionHelper.MethodNotImplementedException;
}
else{
return MakeSignatureHelper(context,inputOutput,sequenceNumber);
}
}
private unsafe int VerifySignatureHelper(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
int status = (int)SecurityStatus.InvalidHandle;
bool b = false;
uint qop = 0;
RuntimeHelpers.PrepareConstrainedRegions();
try {
context.DangerousAddRef(ref b);
}
catch(Exception e) {
if (b)
{
context.DangerousRelease();
b = false;
}
if (!(e is ObjectDisposedException))
throw;
}
catch {
if (b)
{
context.DangerousRelease();
b = false;
}
throw;
}
finally {
if (b)
{
status = UnsafeNclNativeMethods.NativeNTSSPI.DecryptMessage(ref context._handle, inputOutput, sequenceNumber, &qop);
context.DangerousRelease();
}
}
return status;
}
public int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber) {
if (ComNetOS.IsWin9x){
throw ExceptionHelper.MethodNotImplementedException;
}
else{
return VerifySignatureHelper(context,inputOutput,sequenceNumber);
}
}
public int QueryContextChannelBinding(SafeDeleteContext context, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding binding)
{
// Querying an auth SSP for a CBT doesn't make sense
binding = null;
throw new NotSupportedException();
}
public unsafe int QueryContextAttributes(SafeDeleteContext context, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle) {
refHandle = null;
if (handleType != null) {
if (handleType == typeof(SafeFreeContextBuffer)) {
refHandle = SafeFreeContextBuffer.CreateEmptyHandle(Library);
}
else if (handleType == typeof(SafeFreeCertContext)) {
refHandle = new SafeFreeCertContext();
}
else {
throw new ArgumentException(SR.GetString(SR.SSPIInvalidHandleType, handleType.FullName), "handleType");
}
}
fixed (byte* bufferPtr = buffer) {
return SafeFreeContextBuffer.QueryContextAttributes(Library, context, attribute, bufferPtr, refHandle);
}
}
public int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken) {
if (ComNetOS.IsWin9x) {
throw new NotSupportedException();
}
else {
return SafeCloseHandle.GetSecurityContextToken(phContext, out phToken);
}
}
public int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers) {
if (ComNetOS.IsWin9x) {
throw new NotSupportedException();
}
else {
return SafeDeleteContext.CompleteAuthToken(Library, ref refContext, inputBuffers);
}
}
}
}
// 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
- ModelItemCollection.cs
- HttpProfileGroupBase.cs
- EventManager.cs
- FixUp.cs
- NativeMethods.cs
- ElementAction.cs
- TimerElapsedEvenArgs.cs
- ControlTemplate.cs
- ModifiableIteratorCollection.cs
- PageCodeDomTreeGenerator.cs
- EntityDesignerDataSourceView.cs
- RawMouseInputReport.cs
- Application.cs
- ErrorInfoXmlDocument.cs
- DeploymentSectionCache.cs
- EventSource.cs
- TaskFormBase.cs
- Variant.cs
- TextRenderingModeValidation.cs
- SemanticValue.cs
- SecurityTokenTypes.cs
- InlineCollection.cs
- VariableAction.cs
- CompilerInfo.cs
- SyntaxCheck.cs
- SetMemberBinder.cs
- CodeBinaryOperatorExpression.cs
- IndexedString.cs
- InputMethodStateChangeEventArgs.cs
- DeflateEmulationStream.cs
- RenderDataDrawingContext.cs
- CodeIdentifiers.cs
- HiddenFieldPageStatePersister.cs
- HierarchicalDataSourceConverter.cs
- File.cs
- Int32CollectionValueSerializer.cs
- DesignerActionUIStateChangeEventArgs.cs
- SharedUtils.cs
- ReadOnlyObservableCollection.cs
- FormView.cs
- RegexCompilationInfo.cs
- ButtonDesigner.cs
- SatelliteContractVersionAttribute.cs
- XsdCachingReader.cs
- ProfileEventArgs.cs
- TreeViewImageKeyConverter.cs
- XmlAttribute.cs
- EntitySqlQueryCacheKey.cs
- NavigatingCancelEventArgs.cs
- ServiceManagerHandle.cs
- XmlArrayItemAttributes.cs
- BaseConfigurationRecord.cs
- ElementNotAvailableException.cs
- ImportedNamespaceContextItem.cs
- AppLevelCompilationSectionCache.cs
- OleCmdHelper.cs
- XmlProcessingInstruction.cs
- DbProviderConfigurationHandler.cs
- SQLMembershipProvider.cs
- ScrollChrome.cs
- TrackingProfile.cs
- KeyValuePair.cs
- DataSourceExpressionCollection.cs
- TemplateLookupAction.cs
- DynamicRenderer.cs
- RegexCompilationInfo.cs
- Camera.cs
- ArrayWithOffset.cs
- ResourceLoader.cs
- TimeSpanHelper.cs
- InternalBufferOverflowException.cs
- BindingOperations.cs
- QilNode.cs
- TraceListener.cs
- BadImageFormatException.cs
- hresults.cs
- NullableConverter.cs
- TreeNodeMouseHoverEvent.cs
- HiddenFieldPageStatePersister.cs
- EntityDataSourceViewSchema.cs
- LayoutTable.cs
- ToolStripItem.cs
- ScriptControlDescriptor.cs
- QilTernary.cs
- VisualBasic.cs
- TextStore.cs
- DataGridViewRowStateChangedEventArgs.cs
- dbdatarecord.cs
- PropertyChangeTracker.cs
- EntityCommandExecutionException.cs
- LogRecordSequence.cs
- AssociationTypeEmitter.cs
- Pair.cs
- Variant.cs
- DesignerActionService.cs
- PathSegment.cs
- ReferenceSchema.cs
- TraceHandler.cs
- DetailsViewPageEventArgs.cs
- ApplicationManager.cs