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