FreeRDP/winpr/sspi/CredSSP/credssp.c
2012-06-03 19:59:35 -04:00

273 lines
7.9 KiB
C

/**
* WinPR: Windows Portable Runtime
* Credential Security Support Provider (CredSSP)
*
* Copyright 2010-2012 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.
*/
#include <winpr/crt.h>
#include <winpr/sspi.h>
#include "credssp.h"
#include "../sspi.h"
char* CREDSSP_PACKAGE_NAME = "CredSSP";
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_OK;
}
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;
CREDENTIALS* credentials;
context = sspi_SecureHandleGetLowerPointer(phContext);
if (!context)
{
context = credssp_ContextNew();
credentials = (CREDENTIALS*) sspi_SecureHandleGetLowerPointer(phCredential);
sspi_SecureHandleSetLowerPointer(phNewContext, context);
sspi_SecureHandleSetUpperPointer(phNewContext, (void*) CREDSSP_PACKAGE_NAME);
}
return SEC_E_OK;
}
CREDSSP_CONTEXT* credssp_ContextNew()
{
CREDSSP_CONTEXT* context;
context = (CREDSSP_CONTEXT*) calloc(1, sizeof(CREDSSP_CONTEXT));
if (context != NULL)
{
}
return context;
}
void credssp_ContextFree(CREDSSP_CONTEXT* context)
{
if (!context)
return;
free(context);
}
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;
}
SECURITY_STATUS SEC_ENTRY credssp_AcquireCredentialsHandleW(SEC_WCHAR* pszPrincipal, SEC_WCHAR* pszPackage,
ULONG fCredentialUse, PLUID pvLogonID, void* pAuthData, void* pGetKeyFn,
void* pvGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
{
return SEC_E_OK;
}
SECURITY_STATUS SEC_ENTRY credssp_AcquireCredentialsHandleA(SEC_CHAR* pszPrincipal, SEC_CHAR* pszPackage,
ULONG fCredentialUse, PLUID pvLogonID, void* pAuthData, void* pGetKeyFn,
void* pvGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
{
CREDENTIALS* credentials;
SEC_WINNT_AUTH_IDENTITY* identity;
if (fCredentialUse == SECPKG_CRED_OUTBOUND)
{
credentials = sspi_CredentialsNew();
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_OK;
}
SECURITY_STATUS SEC_ENTRY credssp_QueryCredentialsAttributesW(PCredHandle phCredential, ULONG ulAttribute, void* pBuffer)
{
return SEC_E_OK;
}
SECURITY_STATUS SEC_ENTRY credssp_QueryCredentialsAttributesA(PCredHandle phCredential, ULONG ulAttribute, void* pBuffer)
{
if (ulAttribute == SECPKG_CRED_ATTR_NAMES)
{
CREDENTIALS* credentials;
credentials = (CREDENTIALS*) sspi_SecureHandleGetLowerPointer(phCredential);
return SEC_E_OK;
}
return SEC_E_UNSUPPORTED_FUNCTION;
}
SECURITY_STATUS SEC_ENTRY credssp_FreeCredentialsHandle(PCredHandle phCredential)
{
CREDENTIALS* credentials;
if (!phCredential)
return SEC_E_INVALID_HANDLE;
credentials = (CREDENTIALS*) sspi_SecureHandleGetLowerPointer(phCredential);
if (!credentials)
return SEC_E_INVALID_HANDLE;
sspi_CredentialsFree(credentials);
return SEC_E_OK;
}
SECURITY_STATUS SEC_ENTRY credssp_EncryptMessage(PCtxtHandle phContext, ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
{
return SEC_E_OK;
}
SECURITY_STATUS SEC_ENTRY credssp_DecryptMessage(PCtxtHandle phContext, PSecBufferDesc pMessage, ULONG MessageSeqNo, ULONG* pfQOP)
{
return SEC_E_OK;
}
SECURITY_STATUS SEC_ENTRY credssp_MakeSignature(PCtxtHandle phContext, ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
{
return SEC_E_OK;
}
SECURITY_STATUS SEC_ENTRY credssp_VerifySignature(PCtxtHandle phContext, PSecBufferDesc pMessage, ULONG MessageSeqNo, ULONG* pfQOP)
{
return SEC_E_OK;
}
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 */
};
WCHAR CREDSSP_SecPkgInfoW_Name[] = { 'C','R','E','D','S','S','P','\0' };
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 */
};