1145 lines
33 KiB
C
1145 lines
33 KiB
C
/**
|
|
* WinPR: Windows Portable Runtime
|
|
* NTLM Security Package
|
|
*
|
|
* Copyright 2011-2014 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 <winpr/print.h>
|
|
#include <winpr/tchar.h>
|
|
#include <winpr/sysinfo.h>
|
|
#include <winpr/registry.h>
|
|
#include <freerdp/build-config.h>
|
|
|
|
#include "ntlm.h"
|
|
#include "../sspi.h"
|
|
|
|
#include "ntlm_message.h"
|
|
|
|
#include "../../log.h"
|
|
#define TAG WINPR_TAG("sspi.NTLM")
|
|
|
|
#define WINPR_KEY "Software\\"FREERDP_VENDOR_STRING \
|
|
"\\"FREERDP_PRODUCT_STRING"\\WinPR\\NTLM"
|
|
|
|
char* NTLM_PACKAGE_NAME = "NTLM";
|
|
|
|
int ntlm_SetContextWorkstation(NTLM_CONTEXT* context, char* Workstation)
|
|
{
|
|
int status;
|
|
DWORD nSize = MAX_COMPUTERNAME_LENGTH;
|
|
char* ws = Workstation;
|
|
CHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
|
|
|
|
if (!Workstation)
|
|
{
|
|
if (!GetComputerNameExA(ComputerNameNetBIOS, computerName, &nSize))
|
|
return -1;
|
|
ws = _strdup(computerName);
|
|
if (!ws)
|
|
return -1;
|
|
}
|
|
|
|
context->Workstation.Buffer = NULL;
|
|
status = ConvertToUnicode(CP_UTF8, 0, ws, -1, &context->Workstation.Buffer, 0);
|
|
if (!Workstation)
|
|
free(ws);
|
|
|
|
if (status <= 0)
|
|
return -1;
|
|
|
|
context->Workstation.Length = (USHORT)(status - 1);
|
|
context->Workstation.Length *= 2;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int ntlm_SetContextServicePrincipalNameW(NTLM_CONTEXT* context, LPWSTR ServicePrincipalName)
|
|
{
|
|
if (!ServicePrincipalName)
|
|
{
|
|
context->ServicePrincipalName.Buffer = NULL;
|
|
context->ServicePrincipalName.Length = 0;
|
|
return 1;
|
|
}
|
|
|
|
context->ServicePrincipalName.Length = (USHORT) (_wcslen(ServicePrincipalName) * 2);
|
|
context->ServicePrincipalName.Buffer = (PWSTR) malloc(context->ServicePrincipalName.Length + 2);
|
|
|
|
if (!context->ServicePrincipalName.Buffer)
|
|
return -1;
|
|
|
|
CopyMemory(context->ServicePrincipalName.Buffer, ServicePrincipalName, context->ServicePrincipalName.Length + 2);
|
|
return 1;
|
|
}
|
|
|
|
int ntlm_SetContextServicePrincipalNameA(NTLM_CONTEXT* context, char* ServicePrincipalName)
|
|
{
|
|
int status;
|
|
context->ServicePrincipalName.Buffer = NULL;
|
|
status = ConvertToUnicode(CP_UTF8, 0, ServicePrincipalName, -1, &context->ServicePrincipalName.Buffer, 0);
|
|
|
|
if (status <= 0)
|
|
return -1;
|
|
|
|
context->ServicePrincipalName.Length = (USHORT)((status - 1) * 2);
|
|
return 1;
|
|
}
|
|
|
|
int ntlm_SetContextTargetName(NTLM_CONTEXT* context, char* TargetName)
|
|
{
|
|
int status;
|
|
CHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
|
|
DWORD nSize = MAX_COMPUTERNAME_LENGTH;
|
|
char* name = TargetName;
|
|
|
|
if (!name)
|
|
{
|
|
|
|
if (!GetComputerNameExA(ComputerNameDnsHostname, computerName, &nSize))
|
|
return -1;
|
|
|
|
name = _strdup(computerName);
|
|
if (!name)
|
|
return -1;
|
|
|
|
CharUpperA(name);
|
|
}
|
|
|
|
context->TargetName.pvBuffer = NULL;
|
|
status = ConvertToUnicode(CP_UTF8, 0, name, -1, (LPWSTR*) &context->TargetName.pvBuffer, 0);
|
|
|
|
if (status <= 0)
|
|
{
|
|
if (!TargetName)
|
|
free(name);
|
|
return -1;
|
|
}
|
|
|
|
context->TargetName.cbBuffer = (USHORT)((status - 1) * 2);
|
|
|
|
if (!TargetName)
|
|
free(name);
|
|
|
|
return 1;
|
|
}
|
|
|
|
NTLM_CONTEXT* ntlm_ContextNew()
|
|
{
|
|
HKEY hKey;
|
|
LONG status;
|
|
DWORD dwType;
|
|
DWORD dwSize;
|
|
DWORD dwValue;
|
|
NTLM_CONTEXT* context;
|
|
|
|
context = (NTLM_CONTEXT*) calloc(1, sizeof(NTLM_CONTEXT));
|
|
|
|
if (!context)
|
|
return NULL;
|
|
|
|
context->NTLMv2 = TRUE;
|
|
context->UseMIC = FALSE;
|
|
context->SendVersionInfo = TRUE;
|
|
context->SendSingleHostData = FALSE;
|
|
context->SendWorkstationName = TRUE;
|
|
context->NegotiateKeyExchange = TRUE;
|
|
context->UseSamFileDatabase = TRUE;
|
|
status = RegOpenKeyExA(HKEY_LOCAL_MACHINE, WINPR_KEY, 0, KEY_READ | KEY_WOW64_64KEY, &hKey);
|
|
|
|
if (status == ERROR_SUCCESS)
|
|
{
|
|
if (RegQueryValueEx(hKey, _T("NTLMv2"), NULL, &dwType, (BYTE*) &dwValue, &dwSize) == ERROR_SUCCESS)
|
|
context->NTLMv2 = dwValue ? 1 : 0;
|
|
|
|
if (RegQueryValueEx(hKey, _T("UseMIC"), NULL, &dwType, (BYTE*) &dwValue, &dwSize) == ERROR_SUCCESS)
|
|
context->UseMIC = dwValue ? 1 : 0;
|
|
|
|
if (RegQueryValueEx(hKey, _T("SendVersionInfo"), NULL, &dwType, (BYTE*) &dwValue, &dwSize) == ERROR_SUCCESS)
|
|
context->SendVersionInfo = dwValue ? 1 : 0;
|
|
|
|
if (RegQueryValueEx(hKey, _T("SendSingleHostData"), NULL, &dwType, (BYTE*) &dwValue, &dwSize) == ERROR_SUCCESS)
|
|
context->SendSingleHostData = dwValue ? 1 : 0;
|
|
|
|
if (RegQueryValueEx(hKey, _T("SendWorkstationName"), NULL, &dwType, (BYTE*) &dwValue, &dwSize) == ERROR_SUCCESS)
|
|
context->SendWorkstationName = dwValue ? 1 : 0;
|
|
|
|
if (RegQueryValueEx(hKey, _T("WorkstationName"), NULL, &dwType, NULL, &dwSize) == ERROR_SUCCESS)
|
|
{
|
|
char* workstation = (char*) malloc(dwSize + 1);
|
|
|
|
if (!workstation)
|
|
{
|
|
free (context);
|
|
return NULL;
|
|
}
|
|
|
|
status = RegQueryValueExA(hKey, "WorkstationName", NULL, &dwType, (BYTE*) workstation, &dwSize);
|
|
workstation[dwSize] = '\0';
|
|
|
|
if (ntlm_SetContextWorkstation(context, workstation) < 0)
|
|
{
|
|
free(workstation);
|
|
free(context);
|
|
return NULL;
|
|
}
|
|
|
|
free(workstation);
|
|
}
|
|
|
|
RegCloseKey(hKey);
|
|
}
|
|
|
|
/*
|
|
* Extended Protection is enabled by default in Windows 7,
|
|
* but enabling it in WinPR breaks TS Gateway at this point
|
|
*/
|
|
context->SuppressExtendedProtection = FALSE;
|
|
status = RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("System\\CurrentControlSet\\Control\\LSA"), 0, KEY_READ | KEY_WOW64_64KEY, &hKey);
|
|
|
|
if (status == ERROR_SUCCESS)
|
|
{
|
|
if (RegQueryValueEx(hKey, _T("SuppressExtendedProtection"), NULL, &dwType, (BYTE*) &dwValue, &dwSize) == ERROR_SUCCESS)
|
|
context->SuppressExtendedProtection = dwValue ? 1 : 0;
|
|
|
|
RegCloseKey(hKey);
|
|
}
|
|
|
|
context->NegotiateFlags = 0;
|
|
context->LmCompatibilityLevel = 3;
|
|
context->state = NTLM_STATE_INITIAL;
|
|
FillMemory(context->MachineID, sizeof(context->MachineID), 0xAA);
|
|
|
|
if (context->NTLMv2)
|
|
context->UseMIC = TRUE;
|
|
|
|
return context;
|
|
}
|
|
|
|
void ntlm_ContextFree(NTLM_CONTEXT* context)
|
|
{
|
|
if (!context)
|
|
return;
|
|
|
|
winpr_RC4_Free(context->SendRc4Seal);
|
|
winpr_RC4_Free(context->RecvRc4Seal);
|
|
sspi_SecBufferFree(&context->NegotiateMessage);
|
|
sspi_SecBufferFree(&context->ChallengeMessage);
|
|
sspi_SecBufferFree(&context->AuthenticateMessage);
|
|
sspi_SecBufferFree(&context->ChallengeTargetInfo);
|
|
sspi_SecBufferFree(&context->TargetName);
|
|
sspi_SecBufferFree(&context->NtChallengeResponse);
|
|
sspi_SecBufferFree(&context->LmChallengeResponse);
|
|
free(context->ServicePrincipalName.Buffer);
|
|
free(context->Workstation.Buffer);
|
|
free(context);
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleW(SEC_WCHAR* pszPrincipal, SEC_WCHAR* 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) &&
|
|
(fCredentialUse != SECPKG_CRED_INBOUND) &&
|
|
(fCredentialUse != SECPKG_CRED_BOTH))
|
|
{
|
|
return SEC_E_INVALID_PARAMETER;
|
|
}
|
|
|
|
credentials = sspi_CredentialsNew();
|
|
|
|
if (!credentials)
|
|
return SEC_E_INTERNAL_ERROR;
|
|
|
|
credentials->fCredentialUse = fCredentialUse;
|
|
credentials->pGetKeyFn = pGetKeyFn;
|
|
credentials->pvGetKeyArgument = pvGetKeyArgument;
|
|
identity = (SEC_WINNT_AUTH_IDENTITY*) pAuthData;
|
|
|
|
if (identity)
|
|
sspi_CopyAuthIdentity(&(credentials->identity), identity);
|
|
|
|
sspi_SecureHandleSetLowerPointer(phCredential, (void*) credentials);
|
|
sspi_SecureHandleSetUpperPointer(phCredential, (void*) NTLM_PACKAGE_NAME);
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_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) &&
|
|
(fCredentialUse != SECPKG_CRED_INBOUND) &&
|
|
(fCredentialUse != SECPKG_CRED_BOTH))
|
|
{
|
|
return SEC_E_INVALID_PARAMETER;
|
|
}
|
|
|
|
credentials = sspi_CredentialsNew();
|
|
|
|
if (!credentials)
|
|
return SEC_E_INTERNAL_ERROR;
|
|
|
|
credentials->fCredentialUse = fCredentialUse;
|
|
credentials->pGetKeyFn = pGetKeyFn;
|
|
credentials->pvGetKeyArgument = pvGetKeyArgument;
|
|
identity = (SEC_WINNT_AUTH_IDENTITY*) pAuthData;
|
|
|
|
if (identity)
|
|
sspi_CopyAuthIdentity(&(credentials->identity), identity);
|
|
|
|
sspi_SecureHandleSetLowerPointer(phCredential, (void*) credentials);
|
|
sspi_SecureHandleSetUpperPointer(phCredential, (void*) NTLM_PACKAGE_NAME);
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_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;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesW(PCredHandle phCredential, ULONG ulAttribute, void* pBuffer)
|
|
{
|
|
if (ulAttribute == SECPKG_CRED_ATTR_NAMES)
|
|
{
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
return SEC_E_UNSUPPORTED_FUNCTION;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesA(PCredHandle phCredential, ULONG ulAttribute, void* pBuffer)
|
|
{
|
|
return ntlm_QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer);
|
|
}
|
|
|
|
/**
|
|
* @see http://msdn.microsoft.com/en-us/library/windows/desktop/aa374707
|
|
*/
|
|
SECURITY_STATUS SEC_ENTRY ntlm_AcceptSecurityContext(PCredHandle phCredential, PCtxtHandle phContext,
|
|
PSecBufferDesc pInput, ULONG fContextReq, ULONG TargetDataRep, PCtxtHandle phNewContext,
|
|
PSecBufferDesc pOutput, PULONG pfContextAttr, PTimeStamp ptsTimeStamp)
|
|
{
|
|
NTLM_CONTEXT* context;
|
|
SECURITY_STATUS status;
|
|
SSPI_CREDENTIALS* credentials;
|
|
PSecBuffer input_buffer;
|
|
PSecBuffer output_buffer;
|
|
context = (NTLM_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
|
|
|
|
if (!context)
|
|
{
|
|
context = ntlm_ContextNew();
|
|
|
|
if (!context)
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
context->server = TRUE;
|
|
|
|
if (fContextReq & ASC_REQ_CONFIDENTIALITY)
|
|
context->confidentiality = TRUE;
|
|
|
|
credentials = (SSPI_CREDENTIALS*) sspi_SecureHandleGetLowerPointer(phCredential);
|
|
context->credentials = credentials;
|
|
ntlm_SetContextTargetName(context, NULL);
|
|
sspi_SecureHandleSetLowerPointer(phNewContext, context);
|
|
sspi_SecureHandleSetUpperPointer(phNewContext, (void*) NTLM_PACKAGE_NAME);
|
|
}
|
|
|
|
if (context->state == NTLM_STATE_INITIAL)
|
|
{
|
|
context->state = NTLM_STATE_NEGOTIATE;
|
|
|
|
if (!pInput)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (pInput->cBuffers < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
input_buffer = sspi_FindSecBuffer(pInput, SECBUFFER_TOKEN);
|
|
|
|
if (!input_buffer)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (input_buffer->cbBuffer < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
status = ntlm_read_NegotiateMessage(context, input_buffer);
|
|
|
|
if (context->state == NTLM_STATE_CHALLENGE)
|
|
{
|
|
if (!pOutput)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (pOutput->cBuffers < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
output_buffer = sspi_FindSecBuffer(pOutput, SECBUFFER_TOKEN);
|
|
|
|
if (!output_buffer->BufferType)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (output_buffer->cbBuffer < 1)
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
return ntlm_write_ChallengeMessage(context, output_buffer);
|
|
}
|
|
|
|
return SEC_E_OUT_OF_SEQUENCE;
|
|
}
|
|
else if (context->state == NTLM_STATE_AUTHENTICATE)
|
|
{
|
|
if (!pInput)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (pInput->cBuffers < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
input_buffer = sspi_FindSecBuffer(pInput, SECBUFFER_TOKEN);
|
|
|
|
if (!input_buffer)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (input_buffer->cbBuffer < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
status = ntlm_read_AuthenticateMessage(context, input_buffer);
|
|
|
|
if (pOutput)
|
|
{
|
|
ULONG i;
|
|
|
|
for (i = 0; i < pOutput->cBuffers; i++)
|
|
{
|
|
pOutput->pBuffers[i].cbBuffer = 0;
|
|
pOutput->pBuffers[i].BufferType = SECBUFFER_TOKEN;
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
return SEC_E_OUT_OF_SEQUENCE;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_ImpersonateSecurityContext(PCtxtHandle phContext)
|
|
{
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_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)
|
|
{
|
|
NTLM_CONTEXT* context;
|
|
SECURITY_STATUS status;
|
|
SSPI_CREDENTIALS* credentials;
|
|
PSecBuffer input_buffer = NULL;
|
|
PSecBuffer output_buffer = NULL;
|
|
PSecBuffer channel_bindings = NULL;
|
|
context = (NTLM_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
|
|
|
|
if (!context)
|
|
{
|
|
context = ntlm_ContextNew();
|
|
|
|
if (!context)
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
if (fContextReq & ISC_REQ_CONFIDENTIALITY)
|
|
context->confidentiality = TRUE;
|
|
|
|
credentials = (SSPI_CREDENTIALS*) sspi_SecureHandleGetLowerPointer(phCredential);
|
|
context->credentials = credentials;
|
|
|
|
if (context->Workstation.Length < 1)
|
|
{
|
|
if (ntlm_SetContextWorkstation(context, NULL) < 0)
|
|
return SEC_E_INTERNAL_ERROR;
|
|
}
|
|
|
|
if (ntlm_SetContextServicePrincipalNameW(context, pszTargetName) < 0)
|
|
return SEC_E_INTERNAL_ERROR;
|
|
|
|
sspi_SecureHandleSetLowerPointer(phNewContext, context);
|
|
sspi_SecureHandleSetUpperPointer(phNewContext, (void*) NTLM_PACKAGE_NAME);
|
|
}
|
|
|
|
if ((!pInput) || (context->state == NTLM_STATE_AUTHENTICATE))
|
|
{
|
|
if (!pOutput)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (pOutput->cBuffers < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
output_buffer = sspi_FindSecBuffer(pOutput, SECBUFFER_TOKEN);
|
|
|
|
if (!output_buffer)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (output_buffer->cbBuffer < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (context->state == NTLM_STATE_INITIAL)
|
|
context->state = NTLM_STATE_NEGOTIATE;
|
|
|
|
if (context->state == NTLM_STATE_NEGOTIATE)
|
|
return ntlm_write_NegotiateMessage(context, output_buffer);
|
|
|
|
return SEC_E_OUT_OF_SEQUENCE;
|
|
}
|
|
else
|
|
{
|
|
if (pInput->cBuffers < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
input_buffer = sspi_FindSecBuffer(pInput, SECBUFFER_TOKEN);
|
|
|
|
if (!input_buffer)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (input_buffer->cbBuffer < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
channel_bindings = sspi_FindSecBuffer(pInput, SECBUFFER_CHANNEL_BINDINGS);
|
|
|
|
if (channel_bindings)
|
|
{
|
|
context->Bindings.BindingsLength = channel_bindings->cbBuffer;
|
|
context->Bindings.Bindings = (SEC_CHANNEL_BINDINGS*) channel_bindings->pvBuffer;
|
|
}
|
|
|
|
if (context->state == NTLM_STATE_CHALLENGE)
|
|
{
|
|
status = ntlm_read_ChallengeMessage(context, input_buffer);
|
|
|
|
if (!pOutput)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (pOutput->cBuffers < 1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
output_buffer = sspi_FindSecBuffer(pOutput, SECBUFFER_TOKEN);
|
|
|
|
if (!output_buffer)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (output_buffer->cbBuffer < 1)
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
if (context->state == NTLM_STATE_AUTHENTICATE)
|
|
return ntlm_write_AuthenticateMessage(context, output_buffer);
|
|
}
|
|
|
|
return SEC_E_OUT_OF_SEQUENCE;
|
|
}
|
|
|
|
return SEC_E_OUT_OF_SEQUENCE;
|
|
}
|
|
|
|
/**
|
|
* @see http://msdn.microsoft.com/en-us/library/windows/desktop/aa375512%28v=vs.85%29.aspx
|
|
*/
|
|
SECURITY_STATUS SEC_ENTRY ntlm_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)
|
|
{
|
|
SECURITY_STATUS status;
|
|
SEC_WCHAR* pszTargetNameW = NULL;
|
|
|
|
if (pszTargetName)
|
|
{
|
|
if (ConvertToUnicode(CP_UTF8, 0, pszTargetName, -1, &pszTargetNameW, 0) <= 0)
|
|
return SEC_E_INTERNAL_ERROR;
|
|
}
|
|
|
|
status = ntlm_InitializeSecurityContextW(phCredential, phContext, pszTargetNameW, fContextReq,
|
|
Reserved1, TargetDataRep, pInput, Reserved2, phNewContext, pOutput, pfContextAttr, ptsExpiry);
|
|
|
|
free(pszTargetNameW);
|
|
|
|
return status;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_CompleteAuthToken(PCtxtHandle phContext, PSecBufferDesc pToken)
|
|
{
|
|
NTLM_CONTEXT* context;
|
|
SECURITY_STATUS status = SEC_E_OK;
|
|
context = (NTLM_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
|
|
|
|
if (!context)
|
|
return SEC_E_INVALID_HANDLE;
|
|
|
|
if (context->server)
|
|
{
|
|
status = ntlm_server_AuthenticateComplete(context);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/* http://msdn.microsoft.com/en-us/library/windows/desktop/aa375354 */
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_DeleteSecurityContext(PCtxtHandle phContext)
|
|
{
|
|
NTLM_CONTEXT* context;
|
|
context = (NTLM_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
|
|
|
|
if (!context)
|
|
return SEC_E_INVALID_HANDLE;
|
|
|
|
ntlm_ContextFree(context);
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
/* http://msdn.microsoft.com/en-us/library/windows/desktop/aa379337/ */
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesW(PCtxtHandle phContext, ULONG ulAttribute, void* pBuffer)
|
|
{
|
|
NTLM_CONTEXT* context;
|
|
|
|
if (!phContext)
|
|
return SEC_E_INVALID_HANDLE;
|
|
|
|
if (!pBuffer)
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
context = (NTLM_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
|
|
|
|
if (ulAttribute == SECPKG_ATTR_SIZES)
|
|
{
|
|
SecPkgContext_Sizes* ContextSizes = (SecPkgContext_Sizes*) pBuffer;
|
|
ContextSizes->cbMaxToken = 2010;
|
|
ContextSizes->cbMaxSignature = 16;
|
|
ContextSizes->cbBlockSize = 0;
|
|
ContextSizes->cbSecurityTrailer = 16;
|
|
return SEC_E_OK;
|
|
}
|
|
else if (ulAttribute == SECPKG_ATTR_AUTH_IDENTITY)
|
|
{
|
|
int status;
|
|
char* UserA = NULL;
|
|
char* DomainA = NULL;
|
|
SSPI_CREDENTIALS* credentials;
|
|
SecPkgContext_AuthIdentity* AuthIdentity = (SecPkgContext_AuthIdentity*) pBuffer;
|
|
context->UseSamFileDatabase = FALSE;
|
|
credentials = context->credentials;
|
|
ZeroMemory(AuthIdentity, sizeof(SecPkgContext_AuthIdentity));
|
|
|
|
UserA = AuthIdentity->User;
|
|
if (credentials->identity.UserLength > 0) {
|
|
status = ConvertFromUnicode(CP_UTF8, 0,
|
|
(WCHAR *)credentials->identity.User,
|
|
credentials->identity.UserLength, &UserA, 256, NULL,
|
|
NULL);
|
|
if (status <= 0)
|
|
return SEC_E_INTERNAL_ERROR;
|
|
}
|
|
|
|
DomainA = AuthIdentity->Domain;
|
|
if (credentials->identity.DomainLength > 0) {
|
|
status = ConvertFromUnicode(CP_UTF8, 0,
|
|
(WCHAR *)credentials->identity.Domain,
|
|
credentials->identity.DomainLength, &DomainA, 256,
|
|
NULL, NULL);
|
|
|
|
if (status <= 0)
|
|
return SEC_E_INTERNAL_ERROR;
|
|
}
|
|
|
|
return SEC_E_OK;
|
|
}
|
|
else if (ulAttribute == SECPKG_ATTR_AUTH_NTLM_NTPROOF_VALUE)
|
|
{
|
|
BYTE *blob;
|
|
SecBuffer *ntproof, *target;
|
|
|
|
ntproof = (SecBuffer *)pBuffer;
|
|
target = &context->ChallengeTargetInfo;
|
|
|
|
if (!sspi_SecBufferAlloc(ntproof, 36 + target->cbBuffer))
|
|
return (SEC_E_INSUFFICIENT_MEMORY);
|
|
|
|
blob = (BYTE *)ntproof->pvBuffer;
|
|
/* Server challenge. */
|
|
CopyMemory(blob, context->ServerChallenge, 8);
|
|
/* Response version. */
|
|
blob[8] = 1;
|
|
/* Highest response version understood by the client. */
|
|
blob[9] = 1;
|
|
/* Reserved 6B. */
|
|
/* Time. */
|
|
CopyMemory(&blob[16], context->Timestamp, 8);
|
|
/* Client challenge. */
|
|
CopyMemory(&blob[24], context->ClientChallenge, 8);
|
|
/* Reserved 4B. */
|
|
/* Server name. */
|
|
CopyMemory(&blob[36], target->pvBuffer, target->cbBuffer);
|
|
|
|
return (SEC_E_OK);
|
|
}
|
|
else if (ulAttribute == SECPKG_ATTR_AUTH_NTLM_RANDKEY)
|
|
{
|
|
SecBuffer *randkey;
|
|
|
|
randkey = (SecBuffer *) pBuffer;
|
|
if (!sspi_SecBufferAlloc(randkey, 16))
|
|
return (SEC_E_INSUFFICIENT_MEMORY);
|
|
|
|
CopyMemory(randkey->pvBuffer, context->EncryptedRandomSessionKey, 16);
|
|
|
|
return (SEC_E_OK);
|
|
}
|
|
else if (ulAttribute == SECPKG_ATTR_AUTH_NTLM_MIC)
|
|
{
|
|
SecBuffer *mic;
|
|
NTLM_AUTHENTICATE_MESSAGE *message;
|
|
|
|
mic = (SecBuffer *) pBuffer;
|
|
message = &context->AUTHENTICATE_MESSAGE;
|
|
|
|
if (!sspi_SecBufferAlloc(mic, 16))
|
|
return (SEC_E_INSUFFICIENT_MEMORY);
|
|
|
|
CopyMemory(mic->pvBuffer, message->MessageIntegrityCheck, 16);
|
|
|
|
return (SEC_E_OK);
|
|
}
|
|
else if (ulAttribute == SECPKG_ATTR_AUTH_NTLM_MIC_VALUE)
|
|
{
|
|
BYTE *blob;
|
|
SecBuffer *micvalue;
|
|
ULONG msgSize = context->NegotiateMessage.cbBuffer + context->ChallengeMessage.cbBuffer +
|
|
context->AuthenticateMessage.cbBuffer;
|
|
|
|
micvalue = (SecBuffer *) pBuffer;
|
|
|
|
if (!sspi_SecBufferAlloc(micvalue, msgSize))
|
|
return (SEC_E_INSUFFICIENT_MEMORY);
|
|
|
|
blob = (BYTE *) micvalue->pvBuffer;
|
|
|
|
CopyMemory(blob, context->NegotiateMessage.pvBuffer, context->NegotiateMessage.cbBuffer);
|
|
blob += context->NegotiateMessage.cbBuffer;
|
|
|
|
CopyMemory(blob, context->ChallengeMessage.pvBuffer, context->ChallengeMessage.cbBuffer);
|
|
blob += context->ChallengeMessage.cbBuffer;
|
|
|
|
CopyMemory(blob, context->AuthenticateMessage.pvBuffer, context->AuthenticateMessage.cbBuffer);
|
|
|
|
blob += context->MessageIntegrityCheckOffset;
|
|
ZeroMemory(blob, 16);
|
|
|
|
return (SEC_E_OK);
|
|
}
|
|
|
|
|
|
return SEC_E_UNSUPPORTED_FUNCTION;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesA(PCtxtHandle phContext, ULONG ulAttribute, void* pBuffer)
|
|
{
|
|
return ntlm_QueryContextAttributesW(phContext, ulAttribute, pBuffer);
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_SetContextAttributesW(PCtxtHandle phContext, ULONG ulAttribute, void* pBuffer, ULONG cbBuffer)
|
|
{
|
|
NTLM_CONTEXT* context;
|
|
|
|
if (!phContext)
|
|
return SEC_E_INVALID_HANDLE;
|
|
|
|
if (!pBuffer)
|
|
return SEC_E_INVALID_PARAMETER;
|
|
|
|
context = (NTLM_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
|
|
|
|
if (ulAttribute == SECPKG_ATTR_AUTH_NTLM_HASH)
|
|
{
|
|
SecPkgContext_AuthNtlmHash* AuthNtlmHash = (SecPkgContext_AuthNtlmHash*) pBuffer;
|
|
|
|
if (cbBuffer < sizeof(SecPkgContext_AuthNtlmHash))
|
|
return SEC_E_INVALID_PARAMETER;
|
|
|
|
if (AuthNtlmHash->Version == 1)
|
|
CopyMemory(context->NtlmHash, AuthNtlmHash->NtlmHash, 16);
|
|
else if (AuthNtlmHash->Version == 2)
|
|
CopyMemory(context->NtlmV2Hash, AuthNtlmHash->NtlmHash, 16);
|
|
|
|
return SEC_E_OK;
|
|
}
|
|
else if (ulAttribute == SECPKG_ATTR_AUTH_NTLM_MESSAGE)
|
|
{
|
|
SecPkgContext_AuthNtlmMessage* AuthNtlmMessage = (SecPkgContext_AuthNtlmMessage*) pBuffer;
|
|
|
|
if (cbBuffer < sizeof(SecPkgContext_AuthNtlmMessage))
|
|
return SEC_E_INVALID_PARAMETER;
|
|
|
|
if (AuthNtlmMessage->type == 1)
|
|
{
|
|
sspi_SecBufferFree(&context->NegotiateMessage);
|
|
if (!sspi_SecBufferAlloc(&context->NegotiateMessage, AuthNtlmMessage->length))
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
CopyMemory(context->NegotiateMessage.pvBuffer, AuthNtlmMessage->buffer, AuthNtlmMessage->length);
|
|
}
|
|
else if (AuthNtlmMessage->type == 2)
|
|
{
|
|
sspi_SecBufferFree(&context->ChallengeMessage);
|
|
if (!sspi_SecBufferAlloc(&context->ChallengeMessage, AuthNtlmMessage->length))
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
CopyMemory(context->ChallengeMessage.pvBuffer, AuthNtlmMessage->buffer, AuthNtlmMessage->length);
|
|
}
|
|
else if (AuthNtlmMessage->type == 3)
|
|
{
|
|
sspi_SecBufferFree(&context->AuthenticateMessage);
|
|
if (!sspi_SecBufferAlloc(&context->AuthenticateMessage, AuthNtlmMessage->length))
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
CopyMemory(context->AuthenticateMessage.pvBuffer, AuthNtlmMessage->buffer, AuthNtlmMessage->length);
|
|
}
|
|
|
|
return SEC_E_OK;
|
|
}
|
|
else if (ulAttribute == SECPKG_ATTR_AUTH_NTLM_TIMESTAMP)
|
|
{
|
|
SecPkgContext_AuthNtlmTimestamp* AuthNtlmTimestamp = (SecPkgContext_AuthNtlmTimestamp*) pBuffer;
|
|
|
|
if (cbBuffer < sizeof(SecPkgContext_AuthNtlmTimestamp))
|
|
return SEC_E_INVALID_PARAMETER;
|
|
|
|
if (AuthNtlmTimestamp->ChallengeOrResponse)
|
|
CopyMemory(context->ChallengeTimestamp, AuthNtlmTimestamp->Timestamp, 8);
|
|
else
|
|
CopyMemory(context->Timestamp, AuthNtlmTimestamp->Timestamp, 8);
|
|
|
|
return SEC_E_OK;
|
|
}
|
|
else if (ulAttribute == SECPKG_ATTR_AUTH_NTLM_CLIENT_CHALLENGE)
|
|
{
|
|
SecPkgContext_AuthNtlmClientChallenge* AuthNtlmClientChallenge = (SecPkgContext_AuthNtlmClientChallenge*) pBuffer;
|
|
|
|
if (cbBuffer < sizeof(SecPkgContext_AuthNtlmClientChallenge))
|
|
return SEC_E_INVALID_PARAMETER;
|
|
|
|
CopyMemory(context->ClientChallenge, AuthNtlmClientChallenge->ClientChallenge, 8);
|
|
return SEC_E_OK;
|
|
}
|
|
else if (ulAttribute == SECPKG_ATTR_AUTH_NTLM_SERVER_CHALLENGE)
|
|
{
|
|
SecPkgContext_AuthNtlmServerChallenge* AuthNtlmServerChallenge = (SecPkgContext_AuthNtlmServerChallenge*) pBuffer;
|
|
|
|
if (cbBuffer < sizeof(SecPkgContext_AuthNtlmServerChallenge))
|
|
return SEC_E_INVALID_PARAMETER;
|
|
|
|
CopyMemory(context->ServerChallenge, AuthNtlmServerChallenge->ServerChallenge, 8);
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
return SEC_E_UNSUPPORTED_FUNCTION;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_SetContextAttributesA(PCtxtHandle phContext, ULONG ulAttribute, void* pBuffer, ULONG cbBuffer)
|
|
{
|
|
return ntlm_SetContextAttributesW(phContext, ulAttribute, pBuffer, cbBuffer);
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_RevertSecurityContext(PCtxtHandle phContext)
|
|
{
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_EncryptMessage(PCtxtHandle phContext, ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
|
|
{
|
|
int index;
|
|
int length;
|
|
void* data;
|
|
UINT32 SeqNo;
|
|
BYTE digest[WINPR_MD5_DIGEST_LENGTH];
|
|
BYTE checksum[8];
|
|
BYTE* signature;
|
|
ULONG version = 1;
|
|
WINPR_HMAC_CTX hmac;
|
|
NTLM_CONTEXT* context;
|
|
PSecBuffer data_buffer = NULL;
|
|
PSecBuffer signature_buffer = NULL;
|
|
SeqNo = MessageSeqNo;
|
|
context = (NTLM_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
|
|
|
|
for (index = 0; index < (int) pMessage->cBuffers; index++)
|
|
{
|
|
if (pMessage->pBuffers[index].BufferType == SECBUFFER_DATA)
|
|
data_buffer = &pMessage->pBuffers[index];
|
|
else if (pMessage->pBuffers[index].BufferType == SECBUFFER_TOKEN)
|
|
signature_buffer = &pMessage->pBuffers[index];
|
|
}
|
|
|
|
if (!data_buffer)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (!signature_buffer)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
/* Copy original data buffer */
|
|
length = data_buffer->cbBuffer;
|
|
data = malloc(length);
|
|
|
|
if (!data)
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
CopyMemory(data, data_buffer->pvBuffer, length);
|
|
/* Compute the HMAC-MD5 hash of ConcatenationOf(seq_num,data) using the client signing key */
|
|
winpr_HMAC_Init(&hmac, WINPR_MD_MD5, context->SendSigningKey, WINPR_MD5_DIGEST_LENGTH);
|
|
winpr_HMAC_Update(&hmac, (void*) &(SeqNo), 4);
|
|
winpr_HMAC_Update(&hmac, (void*) data, length);
|
|
winpr_HMAC_Final(&hmac, digest, WINPR_MD5_DIGEST_LENGTH);
|
|
|
|
/* Encrypt message using with RC4, result overwrites original buffer */
|
|
|
|
if (context->confidentiality)
|
|
winpr_RC4_Update(context->SendRc4Seal, length, (BYTE*) data, (BYTE*) data_buffer->pvBuffer);
|
|
else
|
|
CopyMemory(data_buffer->pvBuffer, data, length);
|
|
|
|
#ifdef WITH_DEBUG_NTLM
|
|
WLog_DBG(TAG, "Data Buffer (length = %d)", length);
|
|
winpr_HexDump(TAG, WLOG_DEBUG, data, length);
|
|
WLog_DBG(TAG, "Encrypted Data Buffer (length = %d)", (int) data_buffer->cbBuffer);
|
|
winpr_HexDump(TAG, WLOG_DEBUG, data_buffer->pvBuffer, data_buffer->cbBuffer);
|
|
#endif
|
|
free(data);
|
|
/* RC4-encrypt first 8 bytes of digest */
|
|
winpr_RC4_Update(context->SendRc4Seal, 8, digest, checksum);
|
|
signature = (BYTE*) signature_buffer->pvBuffer;
|
|
/* Concatenate version, ciphertext and sequence number to build signature */
|
|
CopyMemory(signature, (void*) &version, 4);
|
|
CopyMemory(&signature[4], (void*) checksum, 8);
|
|
CopyMemory(&signature[12], (void*) &(SeqNo), 4);
|
|
context->SendSeqNum++;
|
|
#ifdef WITH_DEBUG_NTLM
|
|
WLog_DBG(TAG, "Signature (length = %d)", (int) signature_buffer->cbBuffer);
|
|
winpr_HexDump(TAG, WLOG_DEBUG, signature_buffer->pvBuffer, signature_buffer->cbBuffer);
|
|
#endif
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_DecryptMessage(PCtxtHandle phContext, PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
|
|
{
|
|
int index;
|
|
int length;
|
|
void* data;
|
|
UINT32 SeqNo;
|
|
BYTE digest[WINPR_MD5_DIGEST_LENGTH];
|
|
BYTE checksum[8];
|
|
UINT32 version = 1;
|
|
WINPR_HMAC_CTX hmac;
|
|
NTLM_CONTEXT* context;
|
|
BYTE expected_signature[WINPR_MD5_DIGEST_LENGTH];
|
|
PSecBuffer data_buffer = NULL;
|
|
PSecBuffer signature_buffer = NULL;
|
|
SeqNo = (UINT32) MessageSeqNo;
|
|
context = (NTLM_CONTEXT*) sspi_SecureHandleGetLowerPointer(phContext);
|
|
|
|
for (index = 0; index < (int) pMessage->cBuffers; index++)
|
|
{
|
|
if (pMessage->pBuffers[index].BufferType == SECBUFFER_DATA)
|
|
data_buffer = &pMessage->pBuffers[index];
|
|
else if (pMessage->pBuffers[index].BufferType == SECBUFFER_TOKEN)
|
|
signature_buffer = &pMessage->pBuffers[index];
|
|
}
|
|
|
|
if (!data_buffer)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
if (!signature_buffer)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
/* Copy original data buffer */
|
|
length = data_buffer->cbBuffer;
|
|
data = malloc(length);
|
|
|
|
if (!data)
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
CopyMemory(data, data_buffer->pvBuffer, length);
|
|
|
|
/* Decrypt message using with RC4, result overwrites original buffer */
|
|
|
|
if (context->confidentiality)
|
|
winpr_RC4_Update(context->RecvRc4Seal, length, (BYTE*) data, (BYTE*) data_buffer->pvBuffer);
|
|
else
|
|
CopyMemory(data_buffer->pvBuffer, data, length);
|
|
|
|
/* Compute the HMAC-MD5 hash of ConcatenationOf(seq_num,data) using the client signing key */
|
|
winpr_HMAC_Init(&hmac, WINPR_MD_MD5, context->RecvSigningKey, WINPR_MD5_DIGEST_LENGTH);
|
|
winpr_HMAC_Update(&hmac, (void*) &(SeqNo), 4);
|
|
winpr_HMAC_Update(&hmac, (void*) data_buffer->pvBuffer, data_buffer->cbBuffer);
|
|
winpr_HMAC_Final(&hmac, digest, WINPR_MD5_DIGEST_LENGTH);
|
|
#ifdef WITH_DEBUG_NTLM
|
|
WLog_DBG(TAG, "Encrypted Data Buffer (length = %d)", length);
|
|
winpr_HexDump(TAG, WLOG_DEBUG, data, length);
|
|
WLog_DBG(TAG, "Data Buffer (length = %d)", (int) data_buffer->cbBuffer);
|
|
winpr_HexDump(TAG, WLOG_DEBUG, data_buffer->pvBuffer, data_buffer->cbBuffer);
|
|
#endif
|
|
free(data);
|
|
/* RC4-encrypt first 8 bytes of digest */
|
|
winpr_RC4_Update(context->RecvRc4Seal, 8, digest, checksum);
|
|
/* Concatenate version, ciphertext and sequence number to build signature */
|
|
CopyMemory(expected_signature, (void*) &version, 4);
|
|
CopyMemory(&expected_signature[4], (void*) checksum, 8);
|
|
CopyMemory(&expected_signature[12], (void*) &(SeqNo), 4);
|
|
context->RecvSeqNum++;
|
|
|
|
if (memcmp(signature_buffer->pvBuffer, expected_signature, 16) != 0)
|
|
{
|
|
/* signature verification failed! */
|
|
WLog_ERR(TAG, "signature verification failed, something nasty is going on!");
|
|
WLog_ERR(TAG, "Expected Signature:");
|
|
winpr_HexDump(TAG, WLOG_ERROR, expected_signature, 16);
|
|
WLog_ERR(TAG, "Actual Signature:");
|
|
winpr_HexDump(TAG, WLOG_ERROR, (BYTE*) signature_buffer->pvBuffer, 16);
|
|
return SEC_E_MESSAGE_ALTERED;
|
|
}
|
|
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_MakeSignature(PCtxtHandle phContext, ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
|
|
{
|
|
return SEC_E_UNSUPPORTED_FUNCTION;
|
|
}
|
|
|
|
SECURITY_STATUS SEC_ENTRY ntlm_VerifySignature(PCtxtHandle phContext, PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
|
|
{
|
|
return SEC_E_UNSUPPORTED_FUNCTION;
|
|
}
|
|
|
|
const SecurityFunctionTableA NTLM_SecurityFunctionTableA =
|
|
{
|
|
1, /* dwVersion */
|
|
NULL, /* EnumerateSecurityPackages */
|
|
ntlm_QueryCredentialsAttributesA, /* QueryCredentialsAttributes */
|
|
ntlm_AcquireCredentialsHandleA, /* AcquireCredentialsHandle */
|
|
ntlm_FreeCredentialsHandle, /* FreeCredentialsHandle */
|
|
NULL, /* Reserved2 */
|
|
ntlm_InitializeSecurityContextA, /* InitializeSecurityContext */
|
|
ntlm_AcceptSecurityContext, /* AcceptSecurityContext */
|
|
ntlm_CompleteAuthToken, /* CompleteAuthToken */
|
|
ntlm_DeleteSecurityContext, /* DeleteSecurityContext */
|
|
NULL, /* ApplyControlToken */
|
|
ntlm_QueryContextAttributesA, /* QueryContextAttributes */
|
|
ntlm_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
|
|
ntlm_RevertSecurityContext, /* RevertSecurityContext */
|
|
ntlm_MakeSignature, /* MakeSignature */
|
|
ntlm_VerifySignature, /* VerifySignature */
|
|
NULL, /* FreeContextBuffer */
|
|
NULL, /* QuerySecurityPackageInfo */
|
|
NULL, /* Reserved3 */
|
|
NULL, /* Reserved4 */
|
|
NULL, /* ExportSecurityContext */
|
|
NULL, /* ImportSecurityContext */
|
|
NULL, /* AddCredentials */
|
|
NULL, /* Reserved8 */
|
|
NULL, /* QuerySecurityContextToken */
|
|
ntlm_EncryptMessage, /* EncryptMessage */
|
|
ntlm_DecryptMessage, /* DecryptMessage */
|
|
ntlm_SetContextAttributesA, /* SetContextAttributes */
|
|
};
|
|
|
|
const SecurityFunctionTableW NTLM_SecurityFunctionTableW =
|
|
{
|
|
1, /* dwVersion */
|
|
NULL, /* EnumerateSecurityPackages */
|
|
ntlm_QueryCredentialsAttributesW, /* QueryCredentialsAttributes */
|
|
ntlm_AcquireCredentialsHandleW, /* AcquireCredentialsHandle */
|
|
ntlm_FreeCredentialsHandle, /* FreeCredentialsHandle */
|
|
NULL, /* Reserved2 */
|
|
ntlm_InitializeSecurityContextW, /* InitializeSecurityContext */
|
|
ntlm_AcceptSecurityContext, /* AcceptSecurityContext */
|
|
ntlm_CompleteAuthToken, /* CompleteAuthToken */
|
|
ntlm_DeleteSecurityContext, /* DeleteSecurityContext */
|
|
NULL, /* ApplyControlToken */
|
|
ntlm_QueryContextAttributesW, /* QueryContextAttributes */
|
|
ntlm_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
|
|
ntlm_RevertSecurityContext, /* RevertSecurityContext */
|
|
ntlm_MakeSignature, /* MakeSignature */
|
|
ntlm_VerifySignature, /* VerifySignature */
|
|
NULL, /* FreeContextBuffer */
|
|
NULL, /* QuerySecurityPackageInfo */
|
|
NULL, /* Reserved3 */
|
|
NULL, /* Reserved4 */
|
|
NULL, /* ExportSecurityContext */
|
|
NULL, /* ImportSecurityContext */
|
|
NULL, /* AddCredentials */
|
|
NULL, /* Reserved8 */
|
|
NULL, /* QuerySecurityContextToken */
|
|
ntlm_EncryptMessage, /* EncryptMessage */
|
|
ntlm_DecryptMessage, /* DecryptMessage */
|
|
ntlm_SetContextAttributesA, /* SetContextAttributes */
|
|
};
|
|
|
|
const SecPkgInfoA NTLM_SecPkgInfoA =
|
|
{
|
|
0x00082B37, /* fCapabilities */
|
|
1, /* wVersion */
|
|
0x000A, /* wRPCID */
|
|
0x00000B48, /* cbMaxToken */
|
|
"NTLM", /* Name */
|
|
"NTLM Security Package" /* Comment */
|
|
};
|
|
|
|
WCHAR NTLM_SecPkgInfoW_Name[] = { 'N','T','L','M','\0' };
|
|
|
|
WCHAR NTLM_SecPkgInfoW_Comment[] =
|
|
{
|
|
'N','T','L','M',' ',
|
|
'S','e','c','u','r','i','t','y',' ',
|
|
'P','a','c','k','a','g','e','\0'
|
|
};
|
|
|
|
const SecPkgInfoW NTLM_SecPkgInfoW =
|
|
{
|
|
0x00082B37, /* fCapabilities */
|
|
1, /* wVersion */
|
|
0x000A, /* wRPCID */
|
|
0x00000B48, /* cbMaxToken */
|
|
NTLM_SecPkgInfoW_Name, /* Name */
|
|
NTLM_SecPkgInfoW_Comment /* Comment */
|
|
};
|