FreeRDP/winpr/libwinpr/sspi/sspi_winpr.c

2241 lines
62 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Security Support Provider Interface (SSPI)
*
* Copyright 2012-2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2017 Dorian Ducournau <dorian.ducournau@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/config.h>
#include <winpr/assert.h>
#include <winpr/windows.h>
#include <winpr/crt.h>
#include <winpr/sspi.h>
#include <winpr/ssl.h>
#include <winpr/print.h>
#include "sspi.h"
#include "sspi_winpr.h"
#include "../log.h"
#define TAG WINPR_TAG("sspi")
/* Authentication Functions: http://msdn.microsoft.com/en-us/library/windows/desktop/aa374731/ */
#include "NTLM/ntlm.h"
#include "NTLM/ntlm_export.h"
#include "CredSSP/credssp.h"
#include "Kerberos/kerberos.h"
#include "Negotiate/negotiate.h"
#include "Schannel/schannel.h"
static const SecPkgInfoA* SecPkgInfoA_LIST[] = { &NTLM_SecPkgInfoA, &KERBEROS_SecPkgInfoA,
&NEGOTIATE_SecPkgInfoA, &CREDSSP_SecPkgInfoA,
&SCHANNEL_SecPkgInfoA };
static const SecPkgInfoW* SecPkgInfoW_LIST[] = { &NTLM_SecPkgInfoW, &KERBEROS_SecPkgInfoW,
&NEGOTIATE_SecPkgInfoW, &CREDSSP_SecPkgInfoW,
&SCHANNEL_SecPkgInfoW };
static SecurityFunctionTableA winpr_SecurityFunctionTableA;
static SecurityFunctionTableW winpr_SecurityFunctionTableW;
typedef struct
{
const SEC_CHAR* Name;
const SecurityFunctionTableA* SecurityFunctionTable;
} SecurityFunctionTableA_NAME;
typedef struct
{
const SEC_WCHAR* Name;
const SecurityFunctionTableW* SecurityFunctionTable;
} SecurityFunctionTableW_NAME;
static const SecurityFunctionTableA_NAME SecurityFunctionTableA_NAME_LIST[] = {
{ "NTLM", &NTLM_SecurityFunctionTableA },
{ "Kerberos", &KERBEROS_SecurityFunctionTableA },
{ "Negotiate", &NEGOTIATE_SecurityFunctionTableA },
{ "CREDSSP", &CREDSSP_SecurityFunctionTableA },
{ "Schannel", &SCHANNEL_SecurityFunctionTableA }
};
static WCHAR BUFFER_NAME_LIST_W[5][32] = { 0 };
static const SecurityFunctionTableW_NAME SecurityFunctionTableW_NAME_LIST[] = {
{ BUFFER_NAME_LIST_W[0], &NTLM_SecurityFunctionTableW },
{ BUFFER_NAME_LIST_W[1], &KERBEROS_SecurityFunctionTableW },
{ BUFFER_NAME_LIST_W[2], &NEGOTIATE_SecurityFunctionTableW },
{ BUFFER_NAME_LIST_W[3], &CREDSSP_SecurityFunctionTableW },
{ BUFFER_NAME_LIST_W[4], &SCHANNEL_SecurityFunctionTableW }
};
#define SecHandle_LOWER_MAX 0xFFFFFFFF
#define SecHandle_UPPER_MAX 0xFFFFFFFE
typedef struct
{
void* contextBuffer;
UINT32 allocatorIndex;
} CONTEXT_BUFFER_ALLOC_ENTRY;
typedef struct
{
UINT32 cEntries;
UINT32 cMaxEntries;
CONTEXT_BUFFER_ALLOC_ENTRY* entries;
} CONTEXT_BUFFER_ALLOC_TABLE;
static CONTEXT_BUFFER_ALLOC_TABLE ContextBufferAllocTable = { 0 };
static int sspi_ContextBufferAllocTableNew(void)
{
size_t size;
ContextBufferAllocTable.entries = NULL;
ContextBufferAllocTable.cEntries = 0;
ContextBufferAllocTable.cMaxEntries = 4;
size = sizeof(CONTEXT_BUFFER_ALLOC_ENTRY) * ContextBufferAllocTable.cMaxEntries;
ContextBufferAllocTable.entries = (CONTEXT_BUFFER_ALLOC_ENTRY*)calloc(1, size);
if (!ContextBufferAllocTable.entries)
return -1;
return 1;
}
static int sspi_ContextBufferAllocTableGrow(void)
{
size_t size;
CONTEXT_BUFFER_ALLOC_ENTRY* entries;
ContextBufferAllocTable.cEntries = 0;
ContextBufferAllocTable.cMaxEntries *= 2;
size = sizeof(CONTEXT_BUFFER_ALLOC_ENTRY) * ContextBufferAllocTable.cMaxEntries;
if (!size)
return -1;
entries = (CONTEXT_BUFFER_ALLOC_ENTRY*)realloc(ContextBufferAllocTable.entries, size);
if (!entries)
{
free(ContextBufferAllocTable.entries);
return -1;
}
ContextBufferAllocTable.entries = entries;
ZeroMemory((void*)&ContextBufferAllocTable.entries[ContextBufferAllocTable.cMaxEntries / 2],
size / 2);
return 1;
}
static void sspi_ContextBufferAllocTableFree(void)
{
if (ContextBufferAllocTable.cEntries != 0)
WLog_ERR(TAG, "ContextBufferAllocTable.entries == %" PRIu32,
ContextBufferAllocTable.cEntries);
ContextBufferAllocTable.cEntries = ContextBufferAllocTable.cMaxEntries = 0;
free(ContextBufferAllocTable.entries);
ContextBufferAllocTable.entries = NULL;
}
static void* sspi_ContextBufferAlloc(UINT32 allocatorIndex, size_t size)
{
UINT32 index;
void* contextBuffer;
for (index = 0; index < ContextBufferAllocTable.cMaxEntries; index++)
{
if (!ContextBufferAllocTable.entries[index].contextBuffer)
{
contextBuffer = calloc(1, size);
if (!contextBuffer)
return NULL;
ContextBufferAllocTable.cEntries++;
ContextBufferAllocTable.entries[index].contextBuffer = contextBuffer;
ContextBufferAllocTable.entries[index].allocatorIndex = allocatorIndex;
return ContextBufferAllocTable.entries[index].contextBuffer;
}
}
/* no available entry was found, the table needs to be grown */
if (sspi_ContextBufferAllocTableGrow() < 0)
return NULL;
/* the next call to sspi_ContextBufferAlloc() should now succeed */
return sspi_ContextBufferAlloc(allocatorIndex, size);
}
SSPI_CREDENTIALS* sspi_CredentialsNew(void)
{
SSPI_CREDENTIALS* credentials;
credentials = (SSPI_CREDENTIALS*)calloc(1, sizeof(SSPI_CREDENTIALS));
return credentials;
}
void sspi_CredentialsFree(SSPI_CREDENTIALS* credentials)
{
size_t userLength = 0;
size_t domainLength = 0;
size_t passwordLength = 0;
if (!credentials)
return;
if (credentials->ntlmSettings.samFile)
free(credentials->ntlmSettings.samFile);
userLength = credentials->identity.UserLength;
domainLength = credentials->identity.DomainLength;
passwordLength = credentials->identity.PasswordLength;
if (passwordLength > SSPI_CREDENTIALS_HASH_LENGTH_OFFSET) /* [pth] */
passwordLength -= SSPI_CREDENTIALS_HASH_LENGTH_OFFSET;
if (credentials->identity.Flags & SEC_WINNT_AUTH_IDENTITY_UNICODE)
{
userLength *= 2;
domainLength *= 2;
passwordLength *= 2;
}
if (credentials->identity.User)
memset(credentials->identity.User, 0, userLength);
if (credentials->identity.Domain)
memset(credentials->identity.Domain, 0, domainLength);
if (credentials->identity.Password)
memset(credentials->identity.Password, 0, passwordLength);
free(credentials->identity.User);
free(credentials->identity.Domain);
free(credentials->identity.Password);
free(credentials);
}
void* sspi_SecBufferAlloc(PSecBuffer SecBuffer, ULONG size)
{
if (!SecBuffer)
return NULL;
SecBuffer->pvBuffer = calloc(1, size);
if (!SecBuffer->pvBuffer)
return NULL;
SecBuffer->cbBuffer = size;
return SecBuffer->pvBuffer;
}
void sspi_SecBufferFree(PSecBuffer SecBuffer)
{
if (!SecBuffer)
return;
if (SecBuffer->pvBuffer)
memset(SecBuffer->pvBuffer, 0, SecBuffer->cbBuffer);
free(SecBuffer->pvBuffer);
SecBuffer->pvBuffer = NULL;
SecBuffer->cbBuffer = 0;
}
SecHandle* sspi_SecureHandleAlloc(void)
{
SecHandle* handle = (SecHandle*)calloc(1, sizeof(SecHandle));
if (!handle)
return NULL;
SecInvalidateHandle(handle);
return handle;
}
void* sspi_SecureHandleGetLowerPointer(SecHandle* handle)
{
void* pointer;
if (!handle || !SecIsValidHandle(handle) || !handle->dwLower)
return NULL;
pointer = (void*)~((size_t)handle->dwLower);
return pointer;
}
void sspi_SecureHandleInvalidate(SecHandle* handle)
{
if (!handle)
return;
handle->dwLower = 0;
handle->dwUpper = 0;
}
void sspi_SecureHandleSetLowerPointer(SecHandle* handle, void* pointer)
{
if (!handle)
return;
handle->dwLower = (ULONG_PTR)(~((size_t)pointer));
}
void* sspi_SecureHandleGetUpperPointer(SecHandle* handle)
{
void* pointer;
if (!handle || !SecIsValidHandle(handle) || !handle->dwUpper)
return NULL;
pointer = (void*)~((size_t)handle->dwUpper);
return pointer;
}
void sspi_SecureHandleSetUpperPointer(SecHandle* handle, void* pointer)
{
if (!handle)
return;
handle->dwUpper = (ULONG_PTR)(~((size_t)pointer));
}
void sspi_SecureHandleFree(SecHandle* handle)
{
free(handle);
}
int sspi_SetAuthIdentityW(SEC_WINNT_AUTH_IDENTITY* identity, const WCHAR* user, const WCHAR* domain,
const WCHAR* password)
{
return sspi_SetAuthIdentityWithLengthW(identity, user, user ? _wcslen(user) : 0, domain,
domain ? _wcslen(domain) : 0, password,
password ? _wcslen(password) : 0);
}
static BOOL copy(WCHAR** dst, ULONG* dstLen, const WCHAR* what, size_t len)
{
WINPR_ASSERT(dst);
WINPR_ASSERT(dstLen);
*dst = NULL;
*dstLen = 0;
*dst = calloc(sizeof(WCHAR), len + 1);
if (!*dst)
return FALSE;
memcpy(*dst, what, len * sizeof(WCHAR));
*dstLen = len;
return TRUE;
}
int sspi_SetAuthIdentityWithLengthW(SEC_WINNT_AUTH_IDENTITY* identity, const WCHAR* user,
size_t userLen, const WCHAR* domain, size_t domainLen,
const WCHAR* password, size_t passwordLen)
{
WINPR_ASSERT(identity);
sspi_FreeAuthIdentity(identity);
identity->Flags &= ~SEC_WINNT_AUTH_IDENTITY_ANSI;
identity->Flags |= SEC_WINNT_AUTH_IDENTITY_UNICODE;
if (!copy(&identity->User, &identity->UserLength, user, userLen))
return -1;
if (!copy(&identity->Domain, &identity->DomainLength, domain, domainLen))
return -1;
if (!copy(&identity->Password, &identity->PasswordLength, password, passwordLen))
return -1;
return 1;
}
static void zfree(WCHAR* str, size_t len)
{
if (str)
memset(str, 0, len * sizeof(WCHAR));
free(str);
}
int sspi_SetAuthIdentityA(SEC_WINNT_AUTH_IDENTITY* identity, const char* user, const char* domain,
const char* password)
{
int rc;
size_t unicodeUserLenW = 0;
size_t unicodeDomainLenW = 0;
size_t unicodePasswordLenW = 0;
LPWSTR unicodeUser = ConvertUtf8ToWCharAlloc(user, &unicodeUserLenW);
LPWSTR unicodeDomain = ConvertUtf8ToWCharAlloc(domain, &unicodeDomainLenW);
LPWSTR unicodePassword = ConvertUtf8ToWCharAlloc(password, &unicodePasswordLenW);
rc = sspi_SetAuthIdentityWithLengthW(identity, unicodeUser, unicodeUserLenW, unicodeDomain,
unicodeDomainLenW, unicodePassword, unicodePasswordLenW);
zfree(unicodeUser, unicodeUserLenW);
zfree(unicodeDomain, unicodeDomainLenW);
zfree(unicodePassword, unicodePasswordLenW);
return rc;
}
UINT32 sspi_GetAuthIdentityVersion(const void* identity)
{
UINT32 version;
if (!identity)
return 0;
version = *((const UINT32*)identity);
if ((version == SEC_WINNT_AUTH_IDENTITY_VERSION) ||
(version == SEC_WINNT_AUTH_IDENTITY_VERSION_2))
{
return version;
}
return 0; // SEC_WINNT_AUTH_IDENTITY (no version)
}
UINT32 sspi_GetAuthIdentityFlags(const void* identity)
{
UINT32 version;
UINT32 flags = 0;
if (!identity)
return 0;
version = sspi_GetAuthIdentityVersion(identity);
if (version == SEC_WINNT_AUTH_IDENTITY_VERSION)
{
flags = ((const SEC_WINNT_AUTH_IDENTITY_EX*)identity)->Flags;
}
else if (version == SEC_WINNT_AUTH_IDENTITY_VERSION_2)
{
flags = ((const SEC_WINNT_AUTH_IDENTITY_EX2*)identity)->Flags;
}
else // SEC_WINNT_AUTH_IDENTITY
{
flags = ((const SEC_WINNT_AUTH_IDENTITY*)identity)->Flags;
}
return flags;
}
BOOL sspi_GetAuthIdentityUserDomainW(const void* identity, const WCHAR** pUser, UINT32* pUserLength,
const WCHAR** pDomain, UINT32* pDomainLength)
{
UINT32 version;
if (!identity)
return FALSE;
version = sspi_GetAuthIdentityVersion(identity);
if (version == SEC_WINNT_AUTH_IDENTITY_VERSION)
{
const SEC_WINNT_AUTH_IDENTITY_EXW* id = (const SEC_WINNT_AUTH_IDENTITY_EXW*)identity;
*pUser = (const WCHAR*)id->User;
*pUserLength = id->UserLength;
*pDomain = (const WCHAR*)id->Domain;
*pDomainLength = id->DomainLength;
}
else if (version == SEC_WINNT_AUTH_IDENTITY_VERSION_2)
{
const SEC_WINNT_AUTH_IDENTITY_EX2* id = (const SEC_WINNT_AUTH_IDENTITY_EX2*)identity;
UINT32 UserOffset = id->UserOffset;
UINT32 DomainOffset = id->DomainOffset;
*pUser = (const WCHAR*)&((const uint8_t*)identity)[UserOffset];
*pUserLength = id->UserLength / 2;
*pDomain = (const WCHAR*)&((const uint8_t*)identity)[DomainOffset];
*pDomainLength = id->DomainLength / 2;
}
else // SEC_WINNT_AUTH_IDENTITY
{
const SEC_WINNT_AUTH_IDENTITY_W* id = (const SEC_WINNT_AUTH_IDENTITY_W*)identity;
*pUser = (const WCHAR*)id->User;
*pUserLength = id->UserLength;
*pDomain = (const WCHAR*)id->Domain;
*pDomainLength = id->DomainLength;
}
return TRUE;
}
BOOL sspi_GetAuthIdentityUserDomainA(const void* identity, const char** pUser, UINT32* pUserLength,
const char** pDomain, UINT32* pDomainLength)
{
UINT32 version;
if (!identity)
return FALSE;
version = sspi_GetAuthIdentityVersion(identity);
if (version == SEC_WINNT_AUTH_IDENTITY_VERSION)
{
const SEC_WINNT_AUTH_IDENTITY_EXA* id = (const SEC_WINNT_AUTH_IDENTITY_EXA*)identity;
*pUser = (const char*)id->User;
*pUserLength = id->UserLength;
*pDomain = (const char*)id->Domain;
*pDomainLength = id->DomainLength;
}
else if (version == SEC_WINNT_AUTH_IDENTITY_VERSION_2)
{
const SEC_WINNT_AUTH_IDENTITY_EX2* id = (const SEC_WINNT_AUTH_IDENTITY_EX2*)identity;
UINT32 UserOffset = id->UserOffset;
UINT32 DomainOffset = id->DomainOffset;
*pUser = (const char*)&((const uint8_t*)identity)[UserOffset];
*pUserLength = id->UserLength;
*pDomain = (const char*)&((const uint8_t*)identity)[DomainOffset];
*pDomainLength = id->DomainLength;
}
else // SEC_WINNT_AUTH_IDENTITY
{
const SEC_WINNT_AUTH_IDENTITY_A* id = (const SEC_WINNT_AUTH_IDENTITY_A*)identity;
*pUser = (const char*)id->User;
*pUserLength = id->UserLength;
*pDomain = (const char*)id->Domain;
*pDomainLength = id->DomainLength;
}
return TRUE;
}
BOOL sspi_GetAuthIdentityPasswordW(const void* identity, const WCHAR** pPassword,
UINT32* pPasswordLength)
{
UINT32 version;
if (!identity)
return FALSE;
version = sspi_GetAuthIdentityVersion(identity);
if (version == SEC_WINNT_AUTH_IDENTITY_VERSION)
{
const SEC_WINNT_AUTH_IDENTITY_EXW* id = (const SEC_WINNT_AUTH_IDENTITY_EXW*)identity;
*pPassword = (const WCHAR*)id->Password;
*pPasswordLength = id->PasswordLength;
}
else if (version == SEC_WINNT_AUTH_IDENTITY_VERSION_2)
{
return FALSE; // TODO: packed credentials
}
else // SEC_WINNT_AUTH_IDENTITY
{
const SEC_WINNT_AUTH_IDENTITY_W* id = (const SEC_WINNT_AUTH_IDENTITY_W*)identity;
*pPassword = (const WCHAR*)id->Password;
*pPasswordLength = id->PasswordLength;
}
return TRUE;
}
BOOL sspi_GetAuthIdentityPasswordA(const void* identity, const char** pPassword,
UINT32* pPasswordLength)
{
UINT32 version;
if (!identity)
return FALSE;
version = sspi_GetAuthIdentityVersion(identity);
if (version == SEC_WINNT_AUTH_IDENTITY_VERSION)
{
const SEC_WINNT_AUTH_IDENTITY_EXA* id = (const SEC_WINNT_AUTH_IDENTITY_EXA*)identity;
*pPassword = (const char*)id->Password;
*pPasswordLength = id->PasswordLength;
}
else if (version == SEC_WINNT_AUTH_IDENTITY_VERSION_2)
{
return FALSE; // TODO: packed credentials
}
else // SEC_WINNT_AUTH_IDENTITY
{
const SEC_WINNT_AUTH_IDENTITY_A* id = (const SEC_WINNT_AUTH_IDENTITY_A*)identity;
*pPassword = (const char*)id->Password;
*pPasswordLength = id->PasswordLength;
}
return TRUE;
}
BOOL sspi_CopyAuthIdentityFieldsA(const SEC_WINNT_AUTH_IDENTITY_INFO* identity, char** pUser,
char** pDomain, char** pPassword)
{
BOOL success = FALSE;
const char* UserA = NULL;
const char* DomainA = NULL;
const char* PasswordA = NULL;
const WCHAR* UserW = NULL;
const WCHAR* DomainW = NULL;
const WCHAR* PasswordW = NULL;
UINT32 UserLength = 0;
UINT32 DomainLength = 0;
UINT32 PasswordLength = 0;
if (!identity || !pUser || !pDomain || !pPassword)
return FALSE;
*pUser = *pDomain = *pPassword = NULL;
UINT32 identityFlags = sspi_GetAuthIdentityFlags(identity);
if (identityFlags & SEC_WINNT_AUTH_IDENTITY_ANSI)
{
if (!sspi_GetAuthIdentityUserDomainA(identity, &UserA, &UserLength, &DomainA,
&DomainLength))
goto cleanup;
if (!sspi_GetAuthIdentityPasswordA(identity, &PasswordA, &PasswordLength))
goto cleanup;
if (UserA && UserLength)
{
*pUser = _strdup(UserA);
if (!(*pUser))
goto cleanup;
}
if (DomainA && DomainLength)
{
*pDomain = _strdup(DomainA);
if (!(*pDomain))
goto cleanup;
}
if (PasswordA && PasswordLength)
{
*pPassword = _strdup(PasswordA);
if (!(*pPassword))
goto cleanup;
}
success = TRUE;
}
else
{
if (!sspi_GetAuthIdentityUserDomainW(identity, &UserW, &UserLength, &DomainW,
&DomainLength))
goto cleanup;
if (!sspi_GetAuthIdentityPasswordW(identity, &PasswordW, &PasswordLength))
goto cleanup;
if (UserW && (UserLength > 0))
{
*pUser = ConvertWCharNToUtf8Alloc(UserW, UserLength, NULL);
if (!(*pUser))
goto cleanup;
}
if (DomainW && (DomainLength > 0))
{
*pDomain = ConvertWCharNToUtf8Alloc(DomainW, DomainLength, NULL);
if (!(*pDomain))
goto cleanup;
}
if (PasswordW && (PasswordLength > 0))
{
*pPassword = ConvertWCharNToUtf8Alloc(PasswordW, PasswordLength, NULL);
if (!(*pPassword))
goto cleanup;
}
success = TRUE;
}
cleanup:
return success;
}
BOOL sspi_CopyAuthIdentityFieldsW(const SEC_WINNT_AUTH_IDENTITY_INFO* identity, WCHAR** pUser,
WCHAR** pDomain, WCHAR** pPassword)
{
BOOL success = FALSE;
const char* UserA = NULL;
const char* DomainA = NULL;
const char* PasswordA = NULL;
const WCHAR* UserW = NULL;
const WCHAR* DomainW = NULL;
const WCHAR* PasswordW = NULL;
UINT32 UserLength = 0;
UINT32 DomainLength = 0;
UINT32 PasswordLength = 0;
if (!identity || !pUser || !pDomain || !pPassword)
return FALSE;
*pUser = *pDomain = *pPassword = NULL;
UINT32 identityFlags = sspi_GetAuthIdentityFlags(identity);
if (identityFlags & SEC_WINNT_AUTH_IDENTITY_ANSI)
{
if (!sspi_GetAuthIdentityUserDomainA(identity, &UserA, &UserLength, &DomainA,
&DomainLength))
goto cleanup;
if (!sspi_GetAuthIdentityPasswordA(identity, &PasswordA, &PasswordLength))
goto cleanup;
if (UserA && (UserLength > 0))
{
WCHAR* ptr = ConvertUtf8NToWCharAlloc(UserA, UserLength, NULL);
*pUser = ptr;
if (!ptr)
goto cleanup;
}
if (DomainA && (DomainLength > 0))
{
WCHAR* ptr = ConvertUtf8NToWCharAlloc(DomainA, DomainLength, NULL);
*pDomain = ptr;
if (!ptr)
goto cleanup;
}
if (PasswordA && (PasswordLength > 0))
{
WCHAR* ptr = ConvertUtf8NToWCharAlloc(PasswordA, PasswordLength, NULL);
*pPassword = ptr;
if (!ptr)
goto cleanup;
}
success = TRUE;
}
else
{
if (!sspi_GetAuthIdentityUserDomainW(identity, &UserW, &UserLength, &DomainW,
&DomainLength))
goto cleanup;
if (!sspi_GetAuthIdentityPasswordW(identity, &PasswordW, &PasswordLength))
goto cleanup;
if (UserW && UserLength)
{
*pUser = _wcsdup(UserW);
if (!(*pUser))
goto cleanup;
}
if (DomainW && DomainLength)
{
*pDomain = _wcsdup(DomainW);
if (!(*pDomain))
goto cleanup;
}
if (PasswordW && PasswordLength)
{
*pPassword = _wcsdup(PasswordW);
if (!(*pPassword))
goto cleanup;
}
success = TRUE;
}
cleanup:
return success;
}
BOOL sspi_CopyAuthPackageListA(const SEC_WINNT_AUTH_IDENTITY_INFO* identity, char** pPackageList)
{
UINT32 version;
UINT32 identityFlags;
char* PackageList = NULL;
const char* PackageListA = NULL;
const WCHAR* PackageListW = NULL;
UINT32 PackageListLength = 0;
UINT32 PackageListOffset = 0;
const void* pAuthData = (const void*)identity;
if (!pAuthData)
return FALSE;
version = sspi_GetAuthIdentityVersion(pAuthData);
identityFlags = sspi_GetAuthIdentityFlags(pAuthData);
if (identityFlags & SEC_WINNT_AUTH_IDENTITY_ANSI)
{
if (version == SEC_WINNT_AUTH_IDENTITY_VERSION)
{
const SEC_WINNT_AUTH_IDENTITY_EXA* ad = (const SEC_WINNT_AUTH_IDENTITY_EXA*)pAuthData;
PackageListA = (const char*)ad->PackageList;
PackageListLength = ad->PackageListLength;
}
if (PackageListA && PackageListLength)
{
PackageList = _strdup(PackageListA);
}
}
else
{
if (version == SEC_WINNT_AUTH_IDENTITY_VERSION)
{
const SEC_WINNT_AUTH_IDENTITY_EXW* ad = (const SEC_WINNT_AUTH_IDENTITY_EXW*)pAuthData;
PackageListW = (const WCHAR*)ad->PackageList;
PackageListLength = ad->PackageListLength;
}
else if (version == SEC_WINNT_AUTH_IDENTITY_VERSION_2)
{
const SEC_WINNT_AUTH_IDENTITY_EX2* ad = (const SEC_WINNT_AUTH_IDENTITY_EX2*)pAuthData;
PackageListOffset = ad->PackageListOffset;
PackageListW = (const WCHAR*)&((const uint8_t*)pAuthData)[PackageListOffset];
PackageListLength = ad->PackageListLength / 2;
}
if (PackageListW && (PackageListLength > 0))
PackageList = ConvertWCharNToUtf8Alloc(PackageListW, PackageListLength, NULL);
}
if (PackageList)
{
*pPackageList = PackageList;
return TRUE;
}
return FALSE;
}
int sspi_CopyAuthIdentity(SEC_WINNT_AUTH_IDENTITY* identity,
const SEC_WINNT_AUTH_IDENTITY_INFO* srcIdentity)
{
int status;
UINT32 identityFlags;
const char* UserA = NULL;
const char* DomainA = NULL;
const char* PasswordA = NULL;
const WCHAR* UserW = NULL;
const WCHAR* DomainW = NULL;
const WCHAR* PasswordW = NULL;
UINT32 UserLength = 0;
UINT32 DomainLength = 0;
UINT32 PasswordLength = 0;
sspi_FreeAuthIdentity(identity);
identityFlags = sspi_GetAuthIdentityFlags(srcIdentity);
identity->Flags = identityFlags;
if (identityFlags & SEC_WINNT_AUTH_IDENTITY_ANSI)
{
if (!sspi_GetAuthIdentityUserDomainA(srcIdentity, &UserA, &UserLength, &DomainA,
&DomainLength))
{
return -1;
}
if (!sspi_GetAuthIdentityPasswordA(srcIdentity, &PasswordA, &PasswordLength))
{
return -1;
}
status = sspi_SetAuthIdentity(identity, UserA, DomainA, PasswordA);
if (status <= 0)
return -1;
identity->Flags &= ~SEC_WINNT_AUTH_IDENTITY_ANSI;
identity->Flags |= SEC_WINNT_AUTH_IDENTITY_UNICODE;
return 1;
}
identity->Flags |= SEC_WINNT_AUTH_IDENTITY_UNICODE;
if (!sspi_GetAuthIdentityUserDomainW(srcIdentity, &UserW, &UserLength, &DomainW, &DomainLength))
{
return -1;
}
if (!sspi_GetAuthIdentityPasswordW(srcIdentity, &PasswordW, &PasswordLength))
{
return -1;
}
/* login/password authentication */
identity->UserLength = UserLength;
if (identity->UserLength > 0)
{
identity->User = (UINT16*)calloc((identity->UserLength + 1), sizeof(WCHAR));
if (!identity->User)
return -1;
CopyMemory(identity->User, UserW, identity->UserLength * sizeof(WCHAR));
identity->User[identity->UserLength] = 0;
}
identity->DomainLength = DomainLength;
if (identity->DomainLength > 0)
{
identity->Domain = (UINT16*)calloc((identity->DomainLength + 1), sizeof(WCHAR));
if (!identity->Domain)
return -1;
CopyMemory(identity->Domain, DomainW, identity->DomainLength * sizeof(WCHAR));
identity->Domain[identity->DomainLength] = 0;
}
identity->PasswordLength = PasswordLength;
if (identity->PasswordLength > SSPI_CREDENTIALS_HASH_LENGTH_OFFSET)
identity->PasswordLength -= SSPI_CREDENTIALS_HASH_LENGTH_OFFSET;
if (PasswordW)
{
identity->Password = (UINT16*)calloc((identity->PasswordLength + 1), sizeof(WCHAR));
if (!identity->Password)
return -1;
CopyMemory(identity->Password, PasswordW, identity->PasswordLength * sizeof(WCHAR));
identity->Password[identity->PasswordLength] = 0;
}
identity->PasswordLength = PasswordLength;
/* End of login/password authentication */
return 1;
}
PSecBuffer sspi_FindSecBuffer(PSecBufferDesc pMessage, ULONG BufferType)
{
ULONG index;
PSecBuffer pSecBuffer = NULL;
for (index = 0; index < pMessage->cBuffers; index++)
{
if (pMessage->pBuffers[index].BufferType == BufferType)
{
pSecBuffer = &pMessage->pBuffers[index];
break;
}
}
return pSecBuffer;
}
static BOOL WINPR_init(void)
{
for (size_t x = 0; x < ARRAYSIZE(SecurityFunctionTableA_NAME_LIST); x++)
{
const SecurityFunctionTableA_NAME* const cur = &SecurityFunctionTableA_NAME_LIST[x];
InitializeConstWCharFromUtf8(cur->Name, BUFFER_NAME_LIST_W[x],
ARRAYSIZE(BUFFER_NAME_LIST_W[x]));
}
return TRUE;
}
static BOOL CALLBACK sspi_init(PINIT_ONCE InitOnce, PVOID Parameter, PVOID* Context)
{
winpr_InitializeSSL(WINPR_SSL_INIT_DEFAULT);
sspi_ContextBufferAllocTableNew();
if (!SCHANNEL_init())
return FALSE;
if (!KERBEROS_init())
return FALSE;
if (!NTLM_init())
return FALSE;
if (!CREDSSP_init())
return FALSE;
if (!NEGOTIATE_init())
return FALSE;
return WINPR_init();
}
void sspi_GlobalInit(void)
{
static INIT_ONCE once = INIT_ONCE_STATIC_INIT;
DWORD flags = 0;
InitOnceExecuteOnce(&once, sspi_init, &flags, NULL);
}
void sspi_GlobalFinish(void)
{
sspi_ContextBufferAllocTableFree();
}
static const SecurityFunctionTableA* sspi_GetSecurityFunctionTableAByNameA(const SEC_CHAR* Name)
{
int index;
UINT32 cPackages;
cPackages = sizeof(SecPkgInfoA_LIST) / sizeof(*(SecPkgInfoA_LIST));
for (index = 0; index < (int)cPackages; index++)
{
if (strcmp(Name, SecurityFunctionTableA_NAME_LIST[index].Name) == 0)
{
return (const SecurityFunctionTableA*)SecurityFunctionTableA_NAME_LIST[index]
.SecurityFunctionTable;
}
}
return NULL;
}
static const SecurityFunctionTableW* sspi_GetSecurityFunctionTableWByNameW(const SEC_WCHAR* Name)
{
int index;
UINT32 cPackages;
cPackages = sizeof(SecPkgInfoW_LIST) / sizeof(*(SecPkgInfoW_LIST));
for (index = 0; index < (int)cPackages; index++)
{
if (_wcscmp(Name, SecurityFunctionTableW_NAME_LIST[index].Name) == 0)
{
return (const SecurityFunctionTableW*)SecurityFunctionTableW_NAME_LIST[index]
.SecurityFunctionTable;
}
}
return NULL;
}
static const SecurityFunctionTableW* sspi_GetSecurityFunctionTableWByNameA(const SEC_CHAR* Name)
{
SEC_WCHAR* NameW = NULL;
const SecurityFunctionTableW* table = NULL;
if (!Name)
return NULL;
NameW = ConvertUtf8ToWCharAlloc(Name, NULL);
if (!NameW)
return NULL;
table = sspi_GetSecurityFunctionTableWByNameW(NameW);
free(NameW);
return table;
}
static void FreeContextBuffer_EnumerateSecurityPackages(void* contextBuffer);
static void FreeContextBuffer_QuerySecurityPackageInfo(void* contextBuffer);
static void sspi_ContextBufferFree(void* contextBuffer)
{
UINT32 index;
UINT32 allocatorIndex;
for (index = 0; index < ContextBufferAllocTable.cMaxEntries; index++)
{
if (contextBuffer == ContextBufferAllocTable.entries[index].contextBuffer)
{
contextBuffer = ContextBufferAllocTable.entries[index].contextBuffer;
allocatorIndex = ContextBufferAllocTable.entries[index].allocatorIndex;
ContextBufferAllocTable.cEntries--;
ContextBufferAllocTable.entries[index].allocatorIndex = 0;
ContextBufferAllocTable.entries[index].contextBuffer = NULL;
switch (allocatorIndex)
{
case EnumerateSecurityPackagesIndex:
FreeContextBuffer_EnumerateSecurityPackages(contextBuffer);
break;
case QuerySecurityPackageInfoIndex:
FreeContextBuffer_QuerySecurityPackageInfo(contextBuffer);
break;
}
}
}
}
/**
* Standard SSPI API
*/
/* Package Management */
static SECURITY_STATUS SEC_ENTRY winpr_EnumerateSecurityPackagesW(ULONG* pcPackages,
PSecPkgInfoW* ppPackageInfo)
{
int index;
size_t size;
UINT32 cPackages;
SecPkgInfoW* pPackageInfo;
cPackages = sizeof(SecPkgInfoW_LIST) / sizeof(*(SecPkgInfoW_LIST));
size = sizeof(SecPkgInfoW) * cPackages;
pPackageInfo = (SecPkgInfoW*)sspi_ContextBufferAlloc(EnumerateSecurityPackagesIndex, size);
if (!pPackageInfo)
return SEC_E_INSUFFICIENT_MEMORY;
for (index = 0; index < (int)cPackages; index++)
{
pPackageInfo[index].fCapabilities = SecPkgInfoW_LIST[index]->fCapabilities;
pPackageInfo[index].wVersion = SecPkgInfoW_LIST[index]->wVersion;
pPackageInfo[index].wRPCID = SecPkgInfoW_LIST[index]->wRPCID;
pPackageInfo[index].cbMaxToken = SecPkgInfoW_LIST[index]->cbMaxToken;
pPackageInfo[index].Name = _wcsdup(SecPkgInfoW_LIST[index]->Name);
pPackageInfo[index].Comment = _wcsdup(SecPkgInfoW_LIST[index]->Comment);
}
*(pcPackages) = cPackages;
*(ppPackageInfo) = pPackageInfo;
return SEC_E_OK;
}
static SECURITY_STATUS SEC_ENTRY winpr_EnumerateSecurityPackagesA(ULONG* pcPackages,
PSecPkgInfoA* ppPackageInfo)
{
int index;
size_t size;
UINT32 cPackages;
SecPkgInfoA* pPackageInfo;
cPackages = sizeof(SecPkgInfoA_LIST) / sizeof(*(SecPkgInfoA_LIST));
size = sizeof(SecPkgInfoA) * cPackages;
pPackageInfo = (SecPkgInfoA*)sspi_ContextBufferAlloc(EnumerateSecurityPackagesIndex, size);
if (!pPackageInfo)
return SEC_E_INSUFFICIENT_MEMORY;
for (index = 0; index < (int)cPackages; index++)
{
pPackageInfo[index].fCapabilities = SecPkgInfoA_LIST[index]->fCapabilities;
pPackageInfo[index].wVersion = SecPkgInfoA_LIST[index]->wVersion;
pPackageInfo[index].wRPCID = SecPkgInfoA_LIST[index]->wRPCID;
pPackageInfo[index].cbMaxToken = SecPkgInfoA_LIST[index]->cbMaxToken;
pPackageInfo[index].Name = _strdup(SecPkgInfoA_LIST[index]->Name);
pPackageInfo[index].Comment = _strdup(SecPkgInfoA_LIST[index]->Comment);
if (!pPackageInfo[index].Name || !pPackageInfo[index].Comment)
{
sspi_ContextBufferFree(pPackageInfo);
return SEC_E_INSUFFICIENT_MEMORY;
}
}
*(pcPackages) = cPackages;
*(ppPackageInfo) = pPackageInfo;
return SEC_E_OK;
}
static void FreeContextBuffer_EnumerateSecurityPackages(void* contextBuffer)
{
int index;
UINT32 cPackages;
SecPkgInfoA* pPackageInfo = (SecPkgInfoA*)contextBuffer;
cPackages = sizeof(SecPkgInfoA_LIST) / sizeof(*(SecPkgInfoA_LIST));
if (!pPackageInfo)
return;
for (index = 0; index < (int)cPackages; index++)
{
free(pPackageInfo[index].Name);
free(pPackageInfo[index].Comment);
}
free(pPackageInfo);
}
SecurityFunctionTableW* SEC_ENTRY winpr_InitSecurityInterfaceW(void)
{
return &winpr_SecurityFunctionTableW;
}
SecurityFunctionTableA* SEC_ENTRY winpr_InitSecurityInterfaceA(void)
{
return &winpr_SecurityFunctionTableA;
}
static SECURITY_STATUS SEC_ENTRY winpr_QuerySecurityPackageInfoW(SEC_WCHAR* pszPackageName,
PSecPkgInfoW* ppPackageInfo)
{
int index;
size_t size;
UINT32 cPackages;
SecPkgInfoW* pPackageInfo;
cPackages = sizeof(SecPkgInfoW_LIST) / sizeof(*(SecPkgInfoW_LIST));
for (index = 0; index < (int)cPackages; index++)
{
if (_wcscmp(pszPackageName, SecPkgInfoW_LIST[index]->Name) == 0)
{
size = sizeof(SecPkgInfoW);
pPackageInfo =
(SecPkgInfoW*)sspi_ContextBufferAlloc(QuerySecurityPackageInfoIndex, size);
if (!pPackageInfo)
return SEC_E_INSUFFICIENT_MEMORY;
pPackageInfo->fCapabilities = SecPkgInfoW_LIST[index]->fCapabilities;
pPackageInfo->wVersion = SecPkgInfoW_LIST[index]->wVersion;
pPackageInfo->wRPCID = SecPkgInfoW_LIST[index]->wRPCID;
pPackageInfo->cbMaxToken = SecPkgInfoW_LIST[index]->cbMaxToken;
pPackageInfo->Name = _wcsdup(SecPkgInfoW_LIST[index]->Name);
pPackageInfo->Comment = _wcsdup(SecPkgInfoW_LIST[index]->Comment);
*(ppPackageInfo) = pPackageInfo;
return SEC_E_OK;
}
}
*(ppPackageInfo) = NULL;
return SEC_E_SECPKG_NOT_FOUND;
}
static SECURITY_STATUS SEC_ENTRY winpr_QuerySecurityPackageInfoA(SEC_CHAR* pszPackageName,
PSecPkgInfoA* ppPackageInfo)
{
int index;
size_t size;
UINT32 cPackages;
SecPkgInfoA* pPackageInfo;
cPackages = sizeof(SecPkgInfoA_LIST) / sizeof(*(SecPkgInfoA_LIST));
for (index = 0; index < (int)cPackages; index++)
{
if (strcmp(pszPackageName, SecPkgInfoA_LIST[index]->Name) == 0)
{
size = sizeof(SecPkgInfoA);
pPackageInfo =
(SecPkgInfoA*)sspi_ContextBufferAlloc(QuerySecurityPackageInfoIndex, size);
if (!pPackageInfo)
return SEC_E_INSUFFICIENT_MEMORY;
pPackageInfo->fCapabilities = SecPkgInfoA_LIST[index]->fCapabilities;
pPackageInfo->wVersion = SecPkgInfoA_LIST[index]->wVersion;
pPackageInfo->wRPCID = SecPkgInfoA_LIST[index]->wRPCID;
pPackageInfo->cbMaxToken = SecPkgInfoA_LIST[index]->cbMaxToken;
pPackageInfo->Name = _strdup(SecPkgInfoA_LIST[index]->Name);
pPackageInfo->Comment = _strdup(SecPkgInfoA_LIST[index]->Comment);
if (!pPackageInfo->Name || !pPackageInfo->Comment)
{
sspi_ContextBufferFree(pPackageInfo);
return SEC_E_INSUFFICIENT_MEMORY;
}
*(ppPackageInfo) = pPackageInfo;
return SEC_E_OK;
}
}
*(ppPackageInfo) = NULL;
return SEC_E_SECPKG_NOT_FOUND;
}
void FreeContextBuffer_QuerySecurityPackageInfo(void* contextBuffer)
{
SecPkgInfo* pPackageInfo = (SecPkgInfo*)contextBuffer;
if (!pPackageInfo)
return;
free(pPackageInfo->Name);
free(pPackageInfo->Comment);
free(pPackageInfo);
}
/* Credential Management */
static SECURITY_STATUS SEC_ENTRY winpr_AcquireCredentialsHandleW(
SEC_WCHAR* pszPrincipal, SEC_WCHAR* pszPackage, ULONG fCredentialUse, void* pvLogonID,
void* pAuthData, SEC_GET_KEY_FN pGetKeyFn, void* pvGetKeyArgument, PCredHandle phCredential,
PTimeStamp ptsExpiry)
{
SECURITY_STATUS status;
const SecurityFunctionTableW* table = sspi_GetSecurityFunctionTableWByNameW(pszPackage);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->AcquireCredentialsHandleW)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->AcquireCredentialsHandleW(pszPrincipal, pszPackage, fCredentialUse, pvLogonID,
pAuthData, pGetKeyFn, pvGetKeyArgument, phCredential,
ptsExpiry);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "AcquireCredentialsHandleW status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_AcquireCredentialsHandleA(
SEC_CHAR* pszPrincipal, SEC_CHAR* pszPackage, ULONG fCredentialUse, void* pvLogonID,
void* pAuthData, SEC_GET_KEY_FN pGetKeyFn, void* pvGetKeyArgument, PCredHandle phCredential,
PTimeStamp ptsExpiry)
{
SECURITY_STATUS status;
const SecurityFunctionTableA* table = sspi_GetSecurityFunctionTableAByNameA(pszPackage);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->AcquireCredentialsHandleA)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->AcquireCredentialsHandleA(pszPrincipal, pszPackage, fCredentialUse, pvLogonID,
pAuthData, pGetKeyFn, pvGetKeyArgument, phCredential,
ptsExpiry);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "AcquireCredentialsHandleA status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_ExportSecurityContext(PCtxtHandle phContext, ULONG fFlags,
PSecBuffer pPackedContext,
HANDLE* pToken)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->ExportSecurityContext)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->ExportSecurityContext(phContext, fFlags, pPackedContext, pToken);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "ExportSecurityContext status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_FreeCredentialsHandle(PCredHandle phCredential)
{
char* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phCredential);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->FreeCredentialsHandle)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->FreeCredentialsHandle(phCredential);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "FreeCredentialsHandle status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_ImportSecurityContextW(SEC_WCHAR* pszPackage,
PSecBuffer pPackedContext,
HANDLE pToken, PCtxtHandle phContext)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->ImportSecurityContextW)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->ImportSecurityContextW(pszPackage, pPackedContext, pToken, phContext);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "ImportSecurityContextW status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_ImportSecurityContextA(SEC_CHAR* pszPackage,
PSecBuffer pPackedContext,
HANDLE pToken, PCtxtHandle phContext)
{
char* Name = NULL;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->ImportSecurityContextA)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->ImportSecurityContextA(pszPackage, pPackedContext, pToken, phContext);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "ImportSecurityContextA status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_QueryCredentialsAttributesW(PCredHandle phCredential,
ULONG ulAttribute, void* pBuffer)
{
SEC_WCHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_WCHAR*)sspi_SecureHandleGetUpperPointer(phCredential);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameW(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->QueryCredentialsAttributesW)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "QueryCredentialsAttributesW status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_QueryCredentialsAttributesA(PCredHandle phCredential,
ULONG ulAttribute, void* pBuffer)
{
char* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phCredential);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->QueryCredentialsAttributesA)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->QueryCredentialsAttributesA(phCredential, ulAttribute, pBuffer);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "QueryCredentialsAttributesA status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_SetCredentialsAttributesW(PCredHandle phCredential,
ULONG ulAttribute, void* pBuffer,
ULONG cbBuffer)
{
SEC_WCHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_WCHAR*)sspi_SecureHandleGetUpperPointer(phCredential);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameW(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->SetCredentialsAttributesW)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->SetCredentialsAttributesW(phCredential, ulAttribute, pBuffer, cbBuffer);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "SetCredentialsAttributesW status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_SetCredentialsAttributesA(PCredHandle phCredential,
ULONG ulAttribute, void* pBuffer,
ULONG cbBuffer)
{
char* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phCredential);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->SetCredentialsAttributesA)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->SetCredentialsAttributesA(phCredential, ulAttribute, pBuffer, cbBuffer);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "SetCredentialsAttributesA status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
/* Context Management */
static SECURITY_STATUS SEC_ENTRY
winpr_AcceptSecurityContext(PCredHandle phCredential, PCtxtHandle phContext, PSecBufferDesc pInput,
ULONG fContextReq, ULONG TargetDataRep, PCtxtHandle phNewContext,
PSecBufferDesc pOutput, PULONG pfContextAttr, PTimeStamp ptsTimeStamp)
{
char* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phCredential);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->AcceptSecurityContext)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status =
table->AcceptSecurityContext(phCredential, phContext, pInput, fContextReq, TargetDataRep,
phNewContext, pOutput, pfContextAttr, ptsTimeStamp);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "AcceptSecurityContext status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_ApplyControlToken(PCtxtHandle phContext,
PSecBufferDesc pInput)
{
char* Name = NULL;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->ApplyControlToken)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->ApplyControlToken(phContext, pInput);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "ApplyControlToken status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_CompleteAuthToken(PCtxtHandle phContext,
PSecBufferDesc pToken)
{
char* Name = NULL;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->CompleteAuthToken)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->CompleteAuthToken(phContext, pToken);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "CompleteAuthToken status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_DeleteSecurityContext(PCtxtHandle phContext)
{
const char* Name = (char*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
const SecurityFunctionTableA* table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->DeleteSecurityContext)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
const UINT32 status = table->DeleteSecurityContext(phContext);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "DeleteSecurityContext status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_FreeContextBuffer(void* pvContextBuffer)
{
if (!pvContextBuffer)
return SEC_E_INVALID_HANDLE;
sspi_ContextBufferFree(pvContextBuffer);
return SEC_E_OK;
}
static SECURITY_STATUS SEC_ENTRY winpr_ImpersonateSecurityContext(PCtxtHandle phContext)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->ImpersonateSecurityContext)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->ImpersonateSecurityContext(phContext);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "ImpersonateSecurityContext status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_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)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phCredential);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->InitializeSecurityContextW)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->InitializeSecurityContextW(phCredential, phContext, pszTargetName, fContextReq,
Reserved1, TargetDataRep, pInput, Reserved2,
phNewContext, pOutput, pfContextAttr, ptsExpiry);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "InitializeSecurityContextW status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_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)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phCredential);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->InitializeSecurityContextA)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->InitializeSecurityContextA(phCredential, phContext, pszTargetName, fContextReq,
Reserved1, TargetDataRep, pInput, Reserved2,
phNewContext, pOutput, pfContextAttr, ptsExpiry);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "InitializeSecurityContextA status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_QueryContextAttributesW(PCtxtHandle phContext,
ULONG ulAttribute, void* pBuffer)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->QueryContextAttributesW)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->QueryContextAttributesW(phContext, ulAttribute, pBuffer);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "QueryContextAttributesW status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_QueryContextAttributesA(PCtxtHandle phContext,
ULONG ulAttribute, void* pBuffer)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->QueryContextAttributesA)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->QueryContextAttributesA(phContext, ulAttribute, pBuffer);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "QueryContextAttributesA status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_QuerySecurityContextToken(PCtxtHandle phContext,
HANDLE* phToken)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->QuerySecurityContextToken)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->QuerySecurityContextToken(phContext, phToken);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "QuerySecurityContextToken status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_SetContextAttributesW(PCtxtHandle phContext,
ULONG ulAttribute, void* pBuffer,
ULONG cbBuffer)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->SetContextAttributesW)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->SetContextAttributesW(phContext, ulAttribute, pBuffer, cbBuffer);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "SetContextAttributesW status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_SetContextAttributesA(PCtxtHandle phContext,
ULONG ulAttribute, void* pBuffer,
ULONG cbBuffer)
{
char* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->SetContextAttributesA)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "SetContextAttributesA status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_RevertSecurityContext(PCtxtHandle phContext)
{
SEC_CHAR* Name;
SECURITY_STATUS status;
const SecurityFunctionTableW* table;
Name = (SEC_CHAR*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableWByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->RevertSecurityContext)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->RevertSecurityContext(phContext);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "RevertSecurityContext status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
/* Message Support */
static SECURITY_STATUS SEC_ENTRY winpr_DecryptMessage(PCtxtHandle phContext,
PSecBufferDesc pMessage, ULONG MessageSeqNo,
PULONG pfQOP)
{
char* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->DecryptMessage)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->DecryptMessage(phContext, pMessage, MessageSeqNo, pfQOP);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "DecryptMessage status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_EncryptMessage(PCtxtHandle phContext, ULONG fQOP,
PSecBufferDesc pMessage, ULONG MessageSeqNo)
{
char* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->EncryptMessage)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->EncryptMessage(phContext, fQOP, pMessage, MessageSeqNo);
if (status != SEC_E_OK)
{
WLog_ERR(TAG, "EncryptMessage status %s [0x%08" PRIX32 "]", GetSecurityStatusString(status),
status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_MakeSignature(PCtxtHandle phContext, ULONG fQOP,
PSecBufferDesc pMessage, ULONG MessageSeqNo)
{
char* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->MakeSignature)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->MakeSignature(phContext, fQOP, pMessage, MessageSeqNo);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "MakeSignature status %s [0x%08" PRIX32 "]", GetSecurityStatusString(status),
status);
}
return status;
}
static SECURITY_STATUS SEC_ENTRY winpr_VerifySignature(PCtxtHandle phContext,
PSecBufferDesc pMessage, ULONG MessageSeqNo,
PULONG pfQOP)
{
char* Name;
SECURITY_STATUS status;
const SecurityFunctionTableA* table;
Name = (char*)sspi_SecureHandleGetUpperPointer(phContext);
if (!Name)
return SEC_E_SECPKG_NOT_FOUND;
table = sspi_GetSecurityFunctionTableAByNameA(Name);
if (!table)
return SEC_E_SECPKG_NOT_FOUND;
if (!table->VerifySignature)
{
WLog_WARN(TAG, "Security module does not provide an implementation");
return SEC_E_UNSUPPORTED_FUNCTION;
}
status = table->VerifySignature(phContext, pMessage, MessageSeqNo, pfQOP);
if (IsSecurityStatusError(status))
{
WLog_WARN(TAG, "VerifySignature status %s [0x%08" PRIX32 "]",
GetSecurityStatusString(status), status);
}
return status;
}
static SecurityFunctionTableA winpr_SecurityFunctionTableA = {
3, /* dwVersion */
winpr_EnumerateSecurityPackagesA, /* EnumerateSecurityPackages */
winpr_QueryCredentialsAttributesA, /* QueryCredentialsAttributes */
winpr_AcquireCredentialsHandleA, /* AcquireCredentialsHandle */
winpr_FreeCredentialsHandle, /* FreeCredentialsHandle */
NULL, /* Reserved2 */
winpr_InitializeSecurityContextA, /* InitializeSecurityContext */
winpr_AcceptSecurityContext, /* AcceptSecurityContext */
winpr_CompleteAuthToken, /* CompleteAuthToken */
winpr_DeleteSecurityContext, /* DeleteSecurityContext */
winpr_ApplyControlToken, /* ApplyControlToken */
winpr_QueryContextAttributesA, /* QueryContextAttributes */
winpr_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
winpr_RevertSecurityContext, /* RevertSecurityContext */
winpr_MakeSignature, /* MakeSignature */
winpr_VerifySignature, /* VerifySignature */
winpr_FreeContextBuffer, /* FreeContextBuffer */
winpr_QuerySecurityPackageInfoA, /* QuerySecurityPackageInfo */
NULL, /* Reserved3 */
NULL, /* Reserved4 */
winpr_ExportSecurityContext, /* ExportSecurityContext */
winpr_ImportSecurityContextA, /* ImportSecurityContext */
NULL, /* AddCredentials */
NULL, /* Reserved8 */
winpr_QuerySecurityContextToken, /* QuerySecurityContextToken */
winpr_EncryptMessage, /* EncryptMessage */
winpr_DecryptMessage, /* DecryptMessage */
winpr_SetContextAttributesA, /* SetContextAttributes */
winpr_SetCredentialsAttributesA, /* SetCredentialsAttributes */
};
static SecurityFunctionTableW winpr_SecurityFunctionTableW = {
3, /* dwVersion */
winpr_EnumerateSecurityPackagesW, /* EnumerateSecurityPackages */
winpr_QueryCredentialsAttributesW, /* QueryCredentialsAttributes */
winpr_AcquireCredentialsHandleW, /* AcquireCredentialsHandle */
winpr_FreeCredentialsHandle, /* FreeCredentialsHandle */
NULL, /* Reserved2 */
winpr_InitializeSecurityContextW, /* InitializeSecurityContext */
winpr_AcceptSecurityContext, /* AcceptSecurityContext */
winpr_CompleteAuthToken, /* CompleteAuthToken */
winpr_DeleteSecurityContext, /* DeleteSecurityContext */
winpr_ApplyControlToken, /* ApplyControlToken */
winpr_QueryContextAttributesW, /* QueryContextAttributes */
winpr_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
winpr_RevertSecurityContext, /* RevertSecurityContext */
winpr_MakeSignature, /* MakeSignature */
winpr_VerifySignature, /* VerifySignature */
winpr_FreeContextBuffer, /* FreeContextBuffer */
winpr_QuerySecurityPackageInfoW, /* QuerySecurityPackageInfo */
NULL, /* Reserved3 */
NULL, /* Reserved4 */
winpr_ExportSecurityContext, /* ExportSecurityContext */
winpr_ImportSecurityContextW, /* ImportSecurityContext */
NULL, /* AddCredentials */
NULL, /* Reserved8 */
winpr_QuerySecurityContextToken, /* QuerySecurityContextToken */
winpr_EncryptMessage, /* EncryptMessage */
winpr_DecryptMessage, /* DecryptMessage */
winpr_SetContextAttributesW, /* SetContextAttributes */
winpr_SetCredentialsAttributesW, /* SetCredentialsAttributes */
};