/**
* WinPR: Windows Portable Runtime
* Credential Security Support Provider (CredSSP)
*
* Copyright 2010-2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/crt.h>
#include <winpr/sspi.h>
#include "credssp.h"
#include "../sspi.h"
static const char* CREDSSP_PACKAGE_NAME = "CredSSP";
static SECURITY_STATUS SEC_ENTRY credssp_InitializeSecurityContextW(
PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR* pszTargetName, ULONG fContextReq,
ULONG Reserved1, ULONG TargetDataRep, PSecBufferDesc pInput, ULONG Reserved2,
PCtxtHandle phNewContext, PSecBufferDesc pOutput, PULONG pfContextAttr, PTimeStamp ptsExpiry)
{
return SEC_E_UNSUPPORTED_FUNCTION;
}
static SECURITY_STATUS SEC_ENTRY credssp_InitializeSecurityContextA(
PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR* pszTargetName, ULONG fContextReq,
ULONG Reserved1, ULONG TargetDataRep, PSecBufferDesc pInput, ULONG Reserved2,
PCtxtHandle phNewContext, PSecBufferDesc pOutput, PULONG pfContextAttr, PTimeStamp ptsExpiry)
{
CREDSSP_CONTEXT* context;
SSPI_CREDENTIALS* credentials;
context = (CREDSSP_CONTEXT*)sspi_SecureHandleGetLowerPointer(phContext);
if (!context)
{
context = credssp_ContextNew();
if (!context)
return SEC_E_INSUFFICIENT_MEMORY;
credentials = (SSPI_CREDENTIALS*)sspi_SecureHandleGetLowerPointer(phCredential);
if (!credentials)
{
credssp_ContextFree(context);
return SEC_E_INVALID_HANDLE;
}
sspi_SecureHandleSetLowerPointer(phNewContext, context);
sspi_SecureHandleSetUpperPointer(phNewContext, (void*)CREDSSP_PACKAGE_NAME);
}
return SEC_E_OK;
}
CREDSSP_CONTEXT* credssp_ContextNew(void)
{
CREDSSP_CONTEXT* context;
context = (CREDSSP_CONTEXT*)calloc(1, sizeof(CREDSSP_CONTEXT));
if (!context)
return NULL;
return context;
}
void credssp_ContextFree(CREDSSP_CONTEXT* context)
{
free(context);
}
static SECURITY_STATUS SEC_ENTRY credssp_QueryContextAttributes(PCtxtHandle phContext,
ULONG ulAttribute, void* pBuffer)
{
if (!phContext)
return SEC_E_INVALID_HANDLE;
if (!pBuffer)
return SEC_E_INSUFFICIENT_MEMORY;
return SEC_E_UNSUPPORTED_FUNCTION;
}
static SECURITY_STATUS SEC_ENTRY credssp_AcquireCredentialsHandleW(
SEC_WCHAR* pszPrincipal, SEC_WCHAR* pszPackage, ULONG fCredentialUse, void* pvLogonID,
void* pAuthData, SEC_GET_KEY_FN pGetKeyFn, void* pvGetKeyArgument, PCredHandle phCredential,
PTimeStamp ptsExpiry)
{
return SEC_E_UNSUPPORTED_FUNCTION;
}
static SECURITY_STATUS SEC_ENTRY credssp_AcquireCredentialsHandleA(
SEC_CHAR* pszPrincipal, SEC_CHAR* pszPackage, ULONG fCredentialUse, void* pvLogonID,
void* pAuthData, SEC_GET_KEY_FN pGetKeyFn, void* pvGetKeyArgument, PCredHandle phCredential,
PTimeStamp ptsExpiry)
{
SSPI_CREDENTIALS* credentials;
SEC_WINNT_AUTH_IDENTITY* identity;
if (fCredentialUse == SECPKG_CRED_OUTBOUND)
{
credentials = sspi_CredentialsNew();
if (!credentials)
return SEC_E_INSUFFICIENT_MEMORY;
identity = (SEC_WINNT_AUTH_IDENTITY*)pAuthData;
CopyMemory(&(credentials->identity), identity, sizeof(SEC_WINNT_AUTH_IDENTITY));
sspi_SecureHandleSetLowerPointer(phCredential, (void*)credentials);
sspi_SecureHandleSetUpperPointer(phCredential, (void*)CREDSSP_PACKAGE_NAME);
return SEC_E_OK;
}
return SEC_E_UNSUPPORTED_FUNCTION;
}
static SECURITY_STATUS SEC_ENTRY credssp_QueryCredentialsAttributesW(PCredHandle phCredential,
ULONG ulAttribute,
void* pBuffer)
{
return SEC_E_UNSUPPORTED_FUNCTION;
}
static SECURITY_STATUS SEC_ENTRY credssp_QueryCredentialsAttributesA(PCredHandle phCredential,
ULONG ulAttribute,
void* pBuffer)
{
if (ulAttribute == SECPKG_CRED_ATTR_NAMES)
{
SSPI_CREDENTIALS* credentials =
(SSPI_CREDENTIALS*)sspi_SecureHandleGetLowerPointer(phCredential);
if (!credentials)
return SEC_E_INVALID_HANDLE;
return SEC_E_OK;
}
return SEC_E_UNSUPPORTED_FUNCTION;
}
static SECURITY_STATUS SEC_ENTRY credssp_FreeCredentialsHandle(PCredHandle phCredential)
{
SSPI_CREDENTIALS* credentials;
if (!phCredential)
return SEC_E_INVALID_HANDLE;
credentials = (SSPI_CREDENTIALS*)sspi_SecureHandleGetLowerPointer(phCredential);
if (!credentials)
return SEC_E_INVALID_HANDLE;
sspi_CredentialsFree(credentials);
return SEC_E_OK;
}
static SECURITY_STATUS SEC_ENTRY credssp_EncryptMessage(PCtxtHandle phContext, ULONG fQOP,
PSecBufferDesc pMessage, ULONG MessageSeqNo)
{
return SEC_E_UNSUPPORTED_FUNCTION;
}
static SECURITY_STATUS SEC_ENTRY credssp_DecryptMessage(PCtxtHandle phContext,
PSecBufferDesc pMessage, ULONG MessageSeqNo,
ULONG* pfQOP)
{
return SEC_E_UNSUPPORTED_FUNCTION;
}
static SECURITY_STATUS SEC_ENTRY credssp_MakeSignature(PCtxtHandle phContext, ULONG fQOP,
PSecBufferDesc pMessage, ULONG MessageSeqNo)
{
return SEC_E_UNSUPPORTED_FUNCTION;
}
static SECURITY_STATUS SEC_ENTRY credssp_VerifySignature(PCtxtHandle phContext,
PSecBufferDesc pMessage,
ULONG MessageSeqNo, ULONG* pfQOP)
{
return SEC_E_UNSUPPORTED_FUNCTION;
}
const SecurityFunctionTableA CREDSSP_SecurityFunctionTableA = {
1, /* dwVersion */
NULL, /* EnumerateSecurityPackages */
credssp_QueryCredentialsAttributesA, /* QueryCredentialsAttributes */
credssp_AcquireCredentialsHandleA, /* AcquireCredentialsHandle */
credssp_FreeCredentialsHandle, /* FreeCredentialsHandle */
NULL, /* Reserved2 */
credssp_InitializeSecurityContextA, /* InitializeSecurityContext */
NULL, /* AcceptSecurityContext */
NULL, /* CompleteAuthToken */
NULL, /* DeleteSecurityContext */
NULL, /* ApplyControlToken */
credssp_QueryContextAttributes, /* QueryContextAttributes */
NULL, /* ImpersonateSecurityContext */
NULL, /* RevertSecurityContext */
credssp_MakeSignature, /* MakeSignature */
credssp_VerifySignature, /* VerifySignature */
NULL, /* FreeContextBuffer */
NULL, /* QuerySecurityPackageInfo */
NULL, /* Reserved3 */
NULL, /* Reserved4 */
NULL, /* ExportSecurityContext */
NULL, /* ImportSecurityContext */
NULL, /* AddCredentials */
NULL, /* Reserved8 */
NULL, /* QuerySecurityContextToken */
credssp_EncryptMessage, /* EncryptMessage */
credssp_DecryptMessage, /* DecryptMessage */
NULL, /* SetContextAttributes */
};
const SecurityFunctionTableW CREDSSP_SecurityFunctionTableW = {
1, /* dwVersion */
NULL, /* EnumerateSecurityPackages */
credssp_QueryCredentialsAttributesW, /* QueryCredentialsAttributes */
credssp_AcquireCredentialsHandleW, /* AcquireCredentialsHandle */
credssp_FreeCredentialsHandle, /* FreeCredentialsHandle */
NULL, /* Reserved2 */
credssp_InitializeSecurityContextW, /* InitializeSecurityContext */
NULL, /* AcceptSecurityContext */
NULL, /* CompleteAuthToken */
NULL, /* DeleteSecurityContext */
NULL, /* ApplyControlToken */
credssp_QueryContextAttributes, /* QueryContextAttributes */
NULL, /* ImpersonateSecurityContext */
NULL, /* RevertSecurityContext */
credssp_MakeSignature, /* MakeSignature */
credssp_VerifySignature, /* VerifySignature */
NULL, /* FreeContextBuffer */
NULL, /* QuerySecurityPackageInfo */
NULL, /* Reserved3 */
NULL, /* Reserved4 */
NULL, /* ExportSecurityContext */
NULL, /* ImportSecurityContext */
NULL, /* AddCredentials */
NULL, /* Reserved8 */
NULL, /* QuerySecurityContextToken */
credssp_EncryptMessage, /* EncryptMessage */
credssp_DecryptMessage, /* DecryptMessage */
NULL, /* SetContextAttributes */
};
const SecPkgInfoA CREDSSP_SecPkgInfoA = {
0x000110733, /* fCapabilities */
1, /* wVersion */
0xFFFF, /* wRPCID */
0x000090A8, /* cbMaxToken */
"CREDSSP", /* Name */
"Microsoft CredSSP Security Provider" /* Comment */
};
static WCHAR CREDSSP_SecPkgInfoW_Name[] = { 'C', 'R', 'E', 'D', 'S', 'S', 'P', '\0' };
static WCHAR CREDSSP_SecPkgInfoW_Comment[] = { 'M', 'i', 'c', 'r', 'o', 's', 'o', 'f', 't',
' ', 'C', 'r', 'e', 'd', 'S', 'S', 'P', ' ',
'S', 'e', 'c', 'u', 'r', 'i', 't', 'y', ' ',
'P', 'r', 'o', 'v', 'i', 'd', 'e', 'r', '\0' };
const SecPkgInfoW CREDSSP_SecPkgInfoW = {
0x000110733, /* fCapabilities */
1, /* wVersion */
0xFFFF, /* wRPCID */
0x000090A8, /* cbMaxToken */
CREDSSP_SecPkgInfoW_Name, /* Name */
CREDSSP_SecPkgInfoW_Comment /* Comment */
};