NTSTATUS
SMBPacketAllocate(
IN PLWIO_PACKET_ALLOCATOR pPacketAllocator,
OUT PSMB_PACKET* ppPacket
)
{
NTSTATUS ntStatus = 0;
PSMB_PACKET pPacket = NULL;
if (pPacketAllocator)
{
ntStatus = SMBPacketAllocatePooled(pPacketAllocator, &pPacket);
BAIL_ON_NT_STATUS(ntStatus);
}
else
{
ntStatus = LwIoAllocateMemory(sizeof(SMB_PACKET), (PVOID *) &pPacket);
BAIL_ON_NT_STATUS(ntStatus);
InterlockedIncrement(&pPacket->refCount);
}
*ppPacket = pPacket;
cleanup:
return ntStatus;
error:
*ppPacket = NULL;
goto cleanup;
}
NTSTATUS
SMBPacketCreateAllocator(
IN ULONG ulNumMaxPackets,
OUT PLWIO_PACKET_ALLOCATOR* ppPacketAllocator
)
{
NTSTATUS ntStatus = 0;
PLWIO_PACKET_ALLOCATOR pPacketAllocator = NULL;
ntStatus = LwIoAllocateMemory(
sizeof(LWIO_PACKET_ALLOCATOR),
(PVOID*)&pPacketAllocator);
BAIL_ON_NT_STATUS(ntStatus);
pthread_mutex_init(&pPacketAllocator->mutex, NULL);
pPacketAllocator->pMutex = &pPacketAllocator->mutex;
pPacketAllocator->ulNumMaxPackets = ulNumMaxPackets;
*ppPacketAllocator = pPacketAllocator;
cleanup:
return ntStatus;
error:
*ppPacketAllocator = NULL;
goto cleanup;
}
NTSTATUS
LwIoGetThreadState(
OUT PIO_THREAD_STATE* ppState
)
{
NTSTATUS Status = STATUS_SUCCESS;
PIO_THREAD_STATE pState = NULL;
Status = LwIoThreadInit();
BAIL_ON_NT_STATUS(Status);
pState = pthread_getspecific(gStateKey);
if (!pState)
{
Status = LwIoAllocateMemory(sizeof(*pState), OUT_PPVOID(&pState));
BAIL_ON_NT_STATUS(Status);
if (pthread_setspecific(gStateKey, pState))
{
Status = STATUS_INSUFFICIENT_RESOURCES;
BAIL_ON_NT_STATUS(Status);
}
}
*ppState = pState;
error:
return Status;
}
LW_NTSTATUS
LwIoGetSessionKey(
IO_FILE_HANDLE File,
LW_PUSHORT pKeyLength,
LW_PBYTE* ppKeyBuffer
)
{
NTSTATUS Status = STATUS_SUCCESS;
IO_STATUS_BLOCK IoStatus;
BYTE Buffer[MAX_KEY_LENGTH];
PBYTE pKeyBuffer = NULL;
Status =
LwNtFsControlFile(
File,
NULL,
&IoStatus,
IO_FSCTL_SMB_GET_SESSION_KEY,
NULL,
0,
Buffer,
sizeof(Buffer));
BAIL_ON_NT_STATUS(Status);
if (IoStatus.BytesTransferred > 0)
{
Status = LwIoAllocateMemory(IoStatus.BytesTransferred, OUT_PPVOID(&pKeyBuffer));
BAIL_ON_NT_STATUS(Status);
memcpy(pKeyBuffer, Buffer, IoStatus.BytesTransferred);
*pKeyLength = IoStatus.BytesTransferred;
*ppKeyBuffer = pKeyBuffer;
}
else
{
*pKeyLength = 0;
*ppKeyBuffer = NULL;
}
cleanup:
return Status;
error:
*pKeyLength = 0;
*ppKeyBuffer = NULL;
goto cleanup;
}
static
NTSTATUS
SMBPacketAllocatePooled(
IN PLWIO_PACKET_ALLOCATOR pPacketAllocator,
OUT PSMB_PACKET* ppPacket
)
{
NTSTATUS ntStatus = 0;
BOOLEAN bInLock = FALSE;
PSMB_PACKET pPacket = NULL;
LWIO_LOCK_MUTEX(bInLock, &pPacketAllocator->mutex);
if (pPacketAllocator->pFreePacketStack)
{
pPacket = (PSMB_PACKET) pPacketAllocator->pFreePacketStack;
SMBStackPopNoFree(&pPacketAllocator->pFreePacketStack);
pPacketAllocator->freePacketCount--;
LWIO_UNLOCK_MUTEX(bInLock, &pPacketAllocator->mutex);
memset(pPacket, 0, sizeof(SMB_PACKET));
}
else
{
LWIO_UNLOCK_MUTEX(bInLock, &pPacketAllocator->mutex);
ntStatus = LwIoAllocateMemory(sizeof(SMB_PACKET), (PVOID *) &pPacket);
BAIL_ON_NT_STATUS(ntStatus);
}
InterlockedIncrement(&pPacket->refCount);
*ppPacket = pPacket;
cleanup:
LWIO_UNLOCK_MUTEX(bInLock, &pPacketAllocator->mutex);
return ntStatus;
error:
*ppPacket = NULL;
goto cleanup;
}
NTSTATUS
LwIoCreatePlainCredsW(
PCWSTR pwszUsername,
PCWSTR pwszDomain,
PCWSTR pwszPassword,
PIO_CREDS* ppCreds
)
{
NTSTATUS Status = STATUS_SUCCESS;
PIO_CREDS pCreds = NULL;
Status = LwIoAllocateMemory(sizeof(*pCreds), OUT_PPVOID(&pCreds));
BAIL_ON_NT_STATUS(Status);
pCreds->type = IO_CREDS_TYPE_PLAIN;
Status = RtlWC16StringDuplicate(
&pCreds->payload.plain.pwszUsername,
pwszUsername);
BAIL_ON_NT_STATUS(Status);
Status = RtlWC16StringDuplicate(
&pCreds->payload.plain.pwszDomain,
pwszDomain);
Status = RtlWC16StringDuplicate(
&pCreds->payload.plain.pwszPassword,
pwszPassword);
BAIL_ON_NT_STATUS(Status);
*ppCreds = pCreds;
cleanup:
return Status;
error:
if (pCreds)
{
LwIoDeleteCreds(pCreds);
}
goto cleanup;
}
NTSTATUS
SMBPacketBufferAllocate(
IN PLWIO_PACKET_ALLOCATOR pPacketAllocator,
IN size_t len,
OUT uint8_t** ppBuffer,
OUT size_t* pAllocatedLen
)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
PBYTE pBuffer = NULL;
size_t allocatedLen = len;
if (pPacketAllocator)
{
ntStatus = SMBPacketBufferAllocatePooled(
pPacketAllocator,
len,
&pBuffer,
&allocatedLen);
}
else
{
// server code needs zero initialized response packets
ntStatus = LwIoAllocateMemory(len, (PVOID *) &pBuffer);
}
BAIL_ON_NT_STATUS(ntStatus);
*ppBuffer = pBuffer;
*pAllocatedLen = allocatedLen;
cleanup:
return ntStatus;
error:
*ppBuffer = NULL;
*pAllocatedLen = 0;
goto cleanup;
}
NTSTATUS
LwIoCreateKrb5CredsW(
PCWSTR pwszPrincipal,
PCWSTR pwszCachePath,
PIO_CREDS* ppCreds
)
{
NTSTATUS Status = STATUS_SUCCESS;
PIO_CREDS pCreds = NULL;
Status = LwIoAllocateMemory(sizeof(*pCreds), OUT_PPVOID(&pCreds));
BAIL_ON_NT_STATUS(Status);
pCreds->type = IO_CREDS_TYPE_KRB5_CCACHE;
Status = RtlWC16StringDuplicate(
&pCreds->payload.krb5Ccache.pwszPrincipal,
pwszPrincipal);
BAIL_ON_NT_STATUS(Status);
Status = RtlWC16StringDuplicate(
&pCreds->payload.krb5Ccache.pwszCachePath,
pwszCachePath);
BAIL_ON_NT_STATUS(Status);
*ppCreds = pCreds;
cleanup:
return Status;
error:
if (pCreds)
{
LwIoDeleteCreds(pCreds);
}
goto cleanup;
}
DWORD
SMBAllocateString(
PCSTR pszInputString,
PSTR* ppszOutputString
)
{
DWORD dwError = 0;
DWORD dwLen = 0;
PSTR pszOutputString = NULL;
if (!pszInputString) {
dwError = LWIO_ERROR_INVALID_PARAMETER;
BAIL_ON_LWIO_ERROR(dwError);
}
dwLen = strlen(pszInputString);
dwError = LwIoAllocateMemory(dwLen+1, (PVOID *)&pszOutputString);
BAIL_ON_LWIO_ERROR(dwError);
if (dwLen) {
memcpy(pszOutputString, pszInputString, dwLen);
}
*ppszOutputString = pszOutputString;
cleanup:
return dwError;
error:
LWIO_SAFE_FREE_STRING(pszOutputString);
*ppszOutputString = NULL;
goto cleanup;
}
BOOLEAN
RdrCreateTreeConnect2Complete(
PRDR_OP_CONTEXT pContext,
NTSTATUS status,
PVOID pParam
)
{
PRDR_TREE2 pTree = pParam;
PIRP pIrp = pContext->pIrp;
ACCESS_MASK DesiredAccess = pIrp->Args.Create.DesiredAccess;
LONG64 AllocationSize = pIrp->Args.Create.AllocationSize;
FILE_SHARE_FLAGS ShareAccess = pIrp->Args.Create.ShareAccess;
FILE_CREATE_DISPOSITION CreateDisposition = pIrp->Args.Create.CreateDisposition;
FILE_CREATE_OPTIONS CreateOptions = pIrp->Args.Create.CreateOptions;
FILE_ATTRIBUTES FileAttributes = pIrp->Args.Create.FileAttributes;
PIO_CREDS pCreds = IoSecurityGetCredentials(pIrp->Args.Create.SecurityContext);
PIO_SECURITY_CONTEXT_PROCESS_INFORMATION pProcessInfo =
IoSecurityGetProcessInfo(pIrp->Args.Create.SecurityContext);
PRDR_CCB2 pFile = NULL;
BAIL_ON_NT_STATUS(status);
status = LwIoAllocateMemory(
sizeof(RDR_CCB2),
(PVOID*)&pFile);
BAIL_ON_NT_STATUS(status);
status = LwErrnoToNtStatus(pthread_mutex_init(&pFile->mutex, NULL));
BAIL_ON_NT_STATUS(status);
pFile->bMutexInitialized = TRUE;
pFile->version = SMB_PROTOCOL_VERSION_2;
pFile->pTree = pTree;
pTree = NULL;
status = LwRtlWC16StringDuplicate(&pFile->pwszPath, pContext->State.Create.pwszFilename);
BAIL_ON_NT_STATUS(status);
status = LwRtlWC16StringDuplicate(&pFile->pwszCanonicalPath, pContext->State.Create.pwszCanonicalPath);
BAIL_ON_NT_STATUS(status);
pContext->Continue = RdrFinishCreate2;
pContext->State.Create.pFile2 = pFile;
status = RdrTransceiveCreate2(
pContext,
pFile,
DesiredAccess,
AllocationSize,
FileAttributes,
ShareAccess,
CreateDisposition,
CreateOptions);
switch (status)
{
case STATUS_SUCCESS:
case STATUS_PENDING:
break;
default:
pContext->Continue = RdrCreateTreeConnectComplete;
pContext->State.Create.pFile2 = NULL;
status = RdrDfsConnect(
pFile->pTree->pSession->pSocket,
pIrp->Args.Create.FileName.FileName,
pCreds,
pProcessInfo->Uid,
status,
&pContext->usTry,
&pContext->State.Create.pwszFilename,
&pContext->State.Create.pwszCanonicalPath,
pContext);
RdrReleaseFile2(pFile);
pFile = NULL;
}
BAIL_ON_NT_STATUS(status);
cleanup:
RTL_FREE(&pContext->State.Create.pwszFilename);
RTL_FREE(&pContext->State.Create.pwszCanonicalPath);
if (status != STATUS_PENDING)
{
RdrFreeContext(pContext);
pIrp->IoStatusBlock.Status = status;
IoIrpComplete(pIrp);
}
return FALSE;
error:
if (status != STATUS_PENDING && pFile)
{
RdrReleaseFile2(pFile);
}
if (status != STATUS_PENDING && pTree)
{
RdrTree2Release(pTree);
}
goto cleanup;
}
static
VOID
RdrNegotiateGssContextWorkItem2(
PVOID pParam
)
{
NTSTATUS status = STATUS_SUCCESS;
PRDR_OP_CONTEXT pContext = pParam;
PRDR_SESSION2 pSession = pContext->State.TreeConnect.pSession2;
PRDR_SOCKET pSocket = pSession->pSocket;
PSMB_PACKET pPacket = pContext->State.TreeConnect.pPacket;
PBYTE pInBlob = NULL;
DWORD dwInBlobLength = 0;
PBYTE pOutBlob = NULL;
DWORD dwOutBlobLength = 0;
BOOLEAN bSessionLocked = FALSE;
if (pPacket)
{
/* Capture session id */
if (pSession->ullSessionId == 0)
{
pSession->ullSessionId = pPacket->pSMB2Header->ullSessionId;
}
else if (pSession->ullSessionId != pPacket->pSMB2Header->ullSessionId)
{
status = STATUS_INVALID_NETWORK_RESPONSE;
BAIL_ON_NT_STATUS(status);
}
status = RdrSmb2DecodeSessionSetupResponse(
pPacket,
NULL,
&pInBlob,
&dwInBlobLength);
BAIL_ON_NT_STATUS(status);
}
else
{
pInBlob = pSession->pSocket->pSecurityBlob;
dwInBlobLength = pSession->pSocket->securityBlobLen;
}
if (pContext->State.TreeConnect.pszCachePath)
{
status = SMBKrb5SetDefaultCachePath(
pContext->State.TreeConnect.pszCachePath,
NULL);
BAIL_ON_NT_STATUS(status);
}
if (!pContext->State.TreeConnect.hGssContext)
{
status = SMBGSSContextBuild(
pSocket->pwszCanonicalName,
pContext->State.TreeConnect.pCreds,
&pContext->State.TreeConnect.hGssContext);
BAIL_ON_NT_STATUS(status);
}
status = SMBGSSContextNegotiate(
pContext->State.TreeConnect.hGssContext,
pInBlob,
dwInBlobLength,
&pOutBlob,
&dwOutBlobLength);
BAIL_ON_NT_STATUS(status);
if (!SMBGSSContextNegotiateComplete(pContext->State.TreeConnect.hGssContext))
{
pContext->Continue = RdrProcessSessionSetupResponse2;
status = RdrTransceiveSessionSetup2(
pContext,
pSession,
pOutBlob,
dwOutBlobLength);
BAIL_ON_NT_STATUS(status);
}
else
{
LWIO_LOCK_MUTEX(bSessionLocked, &pSession->mutex);
status = SMBGSSContextGetSessionKey(
pContext->State.TreeConnect.hGssContext,
&pSession->pSessionKey,
&pSession->dwSessionKeyLength);
BAIL_ON_NT_STATUS(status);
if (!pSocket->pSessionKey && pSession->pSessionKey)
{
status = LwIoAllocateMemory(
pSession->dwSessionKeyLength,
OUT_PPVOID(&pSocket->pSessionKey));
BAIL_ON_NT_STATUS(status);
memcpy(pSocket->pSessionKey, pSession->pSessionKey, pSession->dwSessionKeyLength);
pSocket->dwSessionKeyLength = pSession->dwSessionKeyLength;
}
status = RdrSocketAddSession2ById(pSocket, pSession);
BAIL_ON_NT_STATUS(status);
pSession->state = RDR_SESSION_STATE_READY;
RdrNotifyContextList(
&pSession->StateWaiters,
bSessionLocked,
&pSession->mutex,
status,
pSession);
LWIO_UNLOCK_MUTEX(bSessionLocked, &pSession->mutex);
RdrSessionSetupComplete2(pContext, status, pSession);
status = STATUS_PENDING;
BAIL_ON_NT_STATUS(status);
}
cleanup:
LWIO_UNLOCK_MUTEX(bSessionLocked, &pSession->mutex);
RTL_FREE(&pOutBlob);
if (status != STATUS_PENDING)
{
if (pSession)
{
RdrSession2Invalidate(pSession, status);
RdrSession2Release(pSession);
}
RdrSessionSetupComplete2(pContext, status, NULL);
}
return;
error:
goto cleanup;
}
BOOLEAN
RdrProcessNegotiateResponse2(
PRDR_OP_CONTEXT pContext,
NTSTATUS status,
PVOID pParam
)
{
PRDR_SOCKET pSocket = pContext->State.TreeConnect.pSocket;
PSMB_PACKET pPacket = pParam;
BOOLEAN bFreeContext = FALSE;
BOOLEAN bSocketLocked = FALSE;
PRDR_SMB2_NEGOTIATE_RESPONSE_HEADER pHeader = NULL;
PBYTE pNegHint = NULL;
ULONG ulNegHintLength = 0;
BAIL_ON_NT_STATUS(status);
status = pPacket->pSMB2Header->error;
BAIL_ON_NT_STATUS(status);
LWIO_LOCK_MUTEX(bSocketLocked, &pSocket->mutex);
status = RdrSmb2DecodeNegotiateResponse(
pPacket,
&pHeader,
&pNegHint,
&ulNegHintLength);
BAIL_ON_NT_STATUS(status);
pSocket->ulMaxTransactSize = pHeader->ulMaxTransactionSize;
pSocket->ulMaxReadSize = pHeader->ulMaxReadSize;
pSocket->ulMaxWriteSize = pHeader->ulMaxWriteSize;
pSocket->capabilities = pHeader->ulCapabilities;
pSocket->ucSecurityMode = pHeader->ucSecurityMode;
pSocket->securityBlobLen = ulNegHintLength;
status = LwIoAllocateMemory(
pSocket->securityBlobLen,
(PVOID *) &pSocket->pSecurityBlob);
BAIL_ON_NT_STATUS(status);
memcpy(pSocket->pSecurityBlob,
pNegHint,
pSocket->securityBlobLen);
status = RdrSocketSetProtocol(pSocket, SMB_PROTOCOL_VERSION_2);
BAIL_ON_NT_STATUS(status);
pSocket->state = RDR_SOCKET_STATE_READY;
RdrNotifyContextList(
&pSocket->StateWaiters,
bSocketLocked,
&pSocket->mutex,
STATUS_SUCCESS,
pSocket);
LWIO_UNLOCK_MUTEX(bSocketLocked, &pSocket->mutex);
RdrNegotiateComplete2(pContext, STATUS_SUCCESS, pSocket);
status = STATUS_PENDING;
BAIL_ON_NT_STATUS(status);
cleanup:
LWIO_UNLOCK_MUTEX(bSocketLocked, &pSocket->mutex);
if (status != STATUS_PENDING)
{
RdrContinueContext(pContext->State.TreeConnect.pContinue, status, NULL);
bFreeContext = TRUE;
}
if (bFreeContext)
{
RdrFreeTreeConnectContext(pContext);
}
RdrFreePacket(pPacket);
return FALSE;
error:
if (status != STATUS_PENDING && pSocket)
{
LWIO_UNLOCK_MUTEX(bSocketLocked, &pSocket->mutex);
RdrSocketInvalidate(pSocket, status);
RdrSocketRelease(pSocket);
}
goto cleanup;
}
static
BOOLEAN
RdrProcessNegotiateResponse(
PRDR_OP_CONTEXT pContext,
NTSTATUS status,
PVOID pParam
)
{
PRDR_SOCKET pSocket = pContext->State.TreeConnect.pSocket;
PSMB_PACKET pPacket = pParam;
BOOLEAN bSocketLocked = FALSE;
BOOLEAN bFreeContext = FALSE;
PBYTE pGUID = NULL;
PBYTE pSecurityBlob = NULL;
DWORD securityBlobLen = 0;
NEGOTIATE_RESPONSE_HEADER* pHeader = NULL;
BAIL_ON_NT_STATUS(status);
/* As a special case, it is possible to receive an SMB2 negotiate response
* from an SMB1 negotiate request.
*/
if (pPacket->protocolVer == SMB_PROTOCOL_VERSION_2)
{
/* Short-circuit to SMB2 code path in connect2.c */
return RdrProcessNegotiateResponse2(pContext, status, pParam);
}
LWIO_LOCK_MUTEX(bSocketLocked, &pSocket->mutex);
status = pPacket->pSMBHeader->error;
BAIL_ON_NT_STATUS(status);
status = UnmarshallNegotiateResponse(
pPacket->pParams,
pPacket->bufferUsed - (pPacket->pParams - pPacket->pRawBuffer),
&pHeader,
&pGUID,
&pSecurityBlob,
&securityBlobLen);
BAIL_ON_NT_STATUS(status);
// byte order conversions
SMB_LTOH16_INPLACE(pHeader->dialectIndex);
SMB_LTOH8_INPLACE(pHeader->securityMode);
SMB_LTOH16_INPLACE(pHeader->maxMpxCount);
SMB_LTOH16_INPLACE(pHeader->maxNumberVcs);
SMB_LTOH32_INPLACE(pHeader->maxBufferSize);
SMB_LTOH32_INPLACE(pHeader->maxRawSize);
SMB_LTOH32_INPLACE(pHeader->sessionKey);
SMB_LTOH32_INPLACE(pHeader->capabilities);
SMB_LTOH32_INPLACE(pHeader->systemTimeLow);
SMB_LTOH32_INPLACE(pHeader->systemTimeHigh);
SMB_LTOH16_INPLACE(pHeader->serverTimeZone);
SMB_LTOH8_INPLACE(pHeader->encryptionKeyLength);
SMB_LTOH16_INPLACE(pHeader->byteCount);
pSocket->ulMaxTransactSize = pHeader->maxBufferSize;
pSocket->maxRawSize = pHeader->maxRawSize;
pSocket->sessionKey = pHeader->sessionKey;
pSocket->capabilities = pHeader->capabilities;
pSocket->ucSecurityMode = pHeader->securityMode;
pSocket->usMaxSlots = pHeader->maxMpxCount;
pSocket->securityBlobLen = securityBlobLen;
status = LwIoAllocateMemory(
pSocket->securityBlobLen,
(PVOID *) &pSocket->pSecurityBlob);
BAIL_ON_NT_STATUS(status);
memcpy(pSocket->pSecurityBlob,
pSecurityBlob,
pSocket->securityBlobLen);
status = RdrSocketSetProtocol(pSocket, SMB_PROTOCOL_VERSION_1);
BAIL_ON_NT_STATUS(status);
pSocket->state = RDR_SOCKET_STATE_READY;
RdrNotifyContextList(
&pSocket->StateWaiters,
bSocketLocked,
&pSocket->mutex,
STATUS_SUCCESS,
pSocket);
LWIO_UNLOCK_MUTEX(bSocketLocked, &pSocket->mutex);
RdrNegotiateComplete(pContext, STATUS_SUCCESS, pSocket);
status = STATUS_PENDING;
BAIL_ON_NT_STATUS(status);
cleanup:
LWIO_UNLOCK_MUTEX(bSocketLocked, &pSocket->mutex);
if (status != STATUS_PENDING)
{
RdrContinueContext(pContext->State.TreeConnect.pContinue, status, NULL);
bFreeContext = TRUE;
}
if (bFreeContext)
{
RdrFreeTreeConnectContext(pContext);
}
RdrFreePacket(pPacket);
return FALSE;
error:
if (status != STATUS_PENDING)
{
LWIO_UNLOCK_MUTEX(bSocketLocked, &pSocket->mutex);
RdrSocketInvalidate(pSocket, status);
RdrSocketRelease(pSocket);
}
goto cleanup;
}
static
VOID
RdrNegotiateGssContextWorkItem(
PVOID pParam
)
{
NTSTATUS status = STATUS_SUCCESS;
PRDR_OP_CONTEXT pContext = pParam;
PRDR_SESSION pSession = pContext->State.TreeConnect.pSession;
PRDR_SOCKET pSocket = pSession->pSocket;
PSMB_PACKET pPacket = pContext->State.TreeConnect.pPacket;
PWSTR pwszNativeOS = NULL;
PWSTR pwszNativeLanman = NULL;
PWSTR pwszNativeDomain = NULL;
PBYTE pInBlob = NULL;
DWORD dwInBlobLength = 0;
PBYTE pOutBlob = NULL;
DWORD dwOutBlobLength = 0;
PSESSION_SETUP_RESPONSE_HEADER_WC_4 pResponseHeader = NULL;
BOOLEAN bSessionLocked = FALSE;
if (pPacket)
{
status = UnmarshallSessionSetupResponse_WC_4(
pPacket->pParams,
pPacket->bufferLen - pPacket->bufferUsed,
0,
&pResponseHeader,
&pInBlob,
&pwszNativeOS,
&pwszNativeLanman,
&pwszNativeDomain);
BAIL_ON_NT_STATUS(status);
dwInBlobLength = pResponseHeader->securityBlobLength;
}
else
{
pInBlob = pSession->pSocket->pSecurityBlob;
dwInBlobLength = pSession->pSocket->securityBlobLen;
}
if (pContext->State.TreeConnect.pszCachePath)
{
status = SMBKrb5SetDefaultCachePath(
pContext->State.TreeConnect.pszCachePath,
NULL);
BAIL_ON_NT_STATUS(status);
}
if (!pContext->State.TreeConnect.hGssContext)
{
status = SMBGSSContextBuild(
pSocket->pwszCanonicalName,
pContext->State.TreeConnect.pCreds,
&pContext->State.TreeConnect.hGssContext);
BAIL_ON_NT_STATUS(status);
}
status = SMBGSSContextNegotiate(
pContext->State.TreeConnect.hGssContext,
pInBlob,
dwInBlobLength,
&pOutBlob,
&dwOutBlobLength);
BAIL_ON_NT_STATUS(status);
if (!SMBGSSContextNegotiateComplete(pContext->State.TreeConnect.hGssContext))
{
pContext->Continue = RdrProcessSessionSetupResponse;
status = RdrTransceiveSessionSetup(
pContext,
pSession,
pOutBlob,
dwOutBlobLength);
BAIL_ON_NT_STATUS(status);
}
else
{
LWIO_LOCK_MUTEX(bSessionLocked, &pSession->mutex);
if (pContext->Packet.haveSignature &&
(!memcmp(pPacket->pSMBHeader->extra.securitySignature,
pContext->Packet.pSMBHeader->extra.securitySignature,
sizeof(pContext->Packet.pSMBHeader->extra.securitySignature))))
{
LWIO_LOG_WARNING("Server is exhibiting signing bug; ignoring signatures from server");
RdrSocketSetIgnoreServerSignatures(pSocket, TRUE);
}
status = SMBGSSContextGetSessionKey(
pContext->State.TreeConnect.hGssContext,
&pSession->pSessionKey,
&pSession->dwSessionKeyLength);
BAIL_ON_NT_STATUS(status);
if (!pSocket->pSessionKey && pSession->pSessionKey &&
!(pContext->State.TreeConnect.pCreds->type == IO_CREDS_TYPE_PLAIN &&
pContext->State.TreeConnect.pCreds->payload.plain.pwszUsername[0] == '\0'))
{
status = LwIoAllocateMemory(
pSession->dwSessionKeyLength,
OUT_PPVOID(&pSocket->pSessionKey));
BAIL_ON_NT_STATUS(status);
memcpy(pSocket->pSessionKey, pSession->pSessionKey, pSession->dwSessionKeyLength);
pSocket->dwSessionKeyLength = pSession->dwSessionKeyLength;
RdrSocketBeginSequence(pSocket);
}
status = RdrSocketAddSessionByUID(pSocket, pSession);
BAIL_ON_NT_STATUS(status);
pSession->state = RDR_SESSION_STATE_READY;
RdrNotifyContextList(
&pSession->StateWaiters,
bSessionLocked,
&pSession->mutex,
status,
pSession);
LWIO_UNLOCK_MUTEX(bSessionLocked, &pSession->mutex);
RdrSessionSetupComplete(pContext, status, pSession);
status = STATUS_PENDING;
BAIL_ON_NT_STATUS(status);
}
cleanup:
LWIO_UNLOCK_MUTEX(bSessionLocked, &pSession->mutex);
RTL_FREE(&pOutBlob);
if (status != STATUS_PENDING)
{
if (pContext->State.TreeConnect.hGssContext)
{
SMBGSSContextFree(pContext->State.TreeConnect.hGssContext);
}
RdrSessionInvalidate(pSession, status);
RdrSessionRelease(pSession);
RdrSessionSetupComplete(pContext, status, NULL);
}
return;
error:
goto cleanup;
}
static
NTSTATUS
LwIoCreateDefaultKrb5Creds(
PIO_CREDS* ppCreds
)
{
NTSTATUS Status = STATUS_SUCCESS;
krb5_context pKrb5Context = NULL;
krb5_error_code krb5Error = 0;
krb5_ccache pKrb5Cache = NULL;
krb5_principal pKrb5Principal = NULL;
char* pszPrincipalName = NULL;
const char* pszCredCachePath = NULL;
PIO_CREDS pCreds = NULL;
*ppCreds = NULL;
krb5Error = krb5_init_context(&pKrb5Context);
if (krb5Error)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
BAIL_ON_NT_STATUS(Status);
}
pszCredCachePath = krb5_cc_default_name(pKrb5Context);
if (!pszCredCachePath)
{
/* If there is no default path, give up */
goto cleanup;
}
krb5Error = krb5_cc_resolve(pKrb5Context, pszCredCachePath, &pKrb5Cache);
if (krb5Error)
{
/* If we can't access the cache, give up */
goto cleanup;
}
krb5Error = krb5_cc_get_principal(pKrb5Context, pKrb5Cache, &pKrb5Principal);
if (krb5Error)
{
/* If there is no principal, give up */
goto cleanup;
}
krb5Error = krb5_unparse_name(pKrb5Context, pKrb5Principal, &pszPrincipalName);
if (krb5Error)
{
Status = STATUS_UNSUCCESSFUL;
BAIL_ON_NT_STATUS(Status);
}
Status = LwIoAllocateMemory(sizeof(*pCreds), OUT_PPVOID(&pCreds));
BAIL_ON_NT_STATUS(Status);
pCreds->type = IO_CREDS_TYPE_KRB5_CCACHE;
Status = LwRtlWC16StringAllocateFromCString(
&pCreds->payload.krb5Ccache.pwszPrincipal,
pszPrincipalName
);
BAIL_ON_NT_STATUS(Status);
Status = LwRtlWC16StringAllocateFromCString(
&pCreds->payload.krb5Ccache.pwszCachePath,
pszCredCachePath
);
BAIL_ON_NT_STATUS(Status);
*ppCreds = pCreds;
cleanup:
if (pszPrincipalName)
{
krb5_free_unparsed_name(pKrb5Context, pszPrincipalName);
}
if (pKrb5Principal)
{
krb5_free_principal(pKrb5Context, pKrb5Principal);
}
if (pKrb5Cache)
{
krb5_cc_close(pKrb5Context, pKrb5Cache);
}
if (pKrb5Context)
{
krb5_free_context(pKrb5Context);
}
return Status;
error:
if (pCreds)
{
LwIoDeleteCreds(pCreds);
}
goto cleanup;
}
DWORD
SMBGSSContextBuild(
PCWSTR pwszServerName,
PIO_CREDS pCreds,
PHANDLE phSMBGSSContext
)
{
DWORD dwError = 0;
DWORD dwMajorStatus = 0;
DWORD dwMinorStatus = 0;
PSMB_GSS_SEC_CONTEXT pContext = NULL;
PSTR pszTargetName = NULL;
PSTR pszServerName = NULL;
PSTR pszUsername = NULL;
PSTR pszDomain = NULL;
PSTR pszPassword = NULL;
gss_buffer_desc usernameBuffer = {0};
gss_buffer_desc inputNameBuffer = {0};
gss_buffer_desc authDataBuffer = {0};
gss_name_t pUsername = NULL;
gss_OID_set_desc desiredMechs;
gss_OID_set actualMechs;
OM_uint32 timeRec = 0;
SEC_WINNT_AUTH_IDENTITY authData;
static gss_OID_desc gssCredOptionPasswordOidDesc =
{
.length = GSS_CRED_OPT_PW_LEN,
.elements = GSS_CRED_OPT_PW
};
static gss_OID_desc gssNtlmOidDesc =
{
.length = GSS_MECH_NTLM_LEN,
.elements = GSS_MECH_NTLM
};
size_t sCopyServerChars = 0;
dwError = LwRtlCStringAllocateFromWC16String(&pszServerName, pwszServerName);
BAIL_ON_LWIO_ERROR(dwError);
LWIO_LOG_DEBUG("Build GSS Context for server [%s]", LWIO_SAFE_LOG_STRING(pszServerName));
dwError = LwIoAllocateMemory(
sizeof(SMB_GSS_SEC_CONTEXT),
(PVOID*)&pContext);
BAIL_ON_LWIO_ERROR(dwError);
pContext->state = SMB_GSS_SEC_CONTEXT_STATE_INITIAL;
if (pCreds)
{
switch (pCreds->type)
{
case IO_CREDS_TYPE_KRB5_CCACHE:
dwError = STATUS_ACCESS_DENIED;
BAIL_ON_LWIO_ERROR(dwError);
break;
case IO_CREDS_TYPE_KRB5_TGT:
sCopyServerChars = strlen(pszServerName);
if (sCopyServerChars > 0 &&
pszServerName[sCopyServerChars - 1] == '.')
{
// Strip the trailing dot
sCopyServerChars --;
}
if (sCopyServerChars > INT_MAX)
{
dwError = STATUS_INTEGER_OVERFLOW;
BAIL_ON_LWIO_ERROR(dwError);
}
dwError = SMBAllocateStringPrintf(
&pszTargetName,
"cifs/%.*s@",
(int)sCopyServerChars,
pszServerName);
BAIL_ON_LWIO_ERROR(dwError);
inputNameBuffer.value = pszTargetName;
inputNameBuffer.length = strlen(pszTargetName) + 1;
dwMajorStatus = gss_import_name(
(OM_uint32 *)&dwMinorStatus,
&inputNameBuffer,
(gss_OID) gss_nt_krb5_name,
&pContext->target_name);
smb_display_status("gss_import_name", dwMajorStatus, dwMinorStatus);
BAIL_ON_SEC_ERROR(dwMajorStatus);
dwError = LwRtlCStringAllocateFromWC16String(
&pszUsername,
pCreds->payload.krb5Tgt.pwszClientPrincipal);
BAIL_ON_NT_STATUS(dwError);
usernameBuffer.value = pszUsername;
usernameBuffer.length = strlen(pszUsername) + 1;
dwMajorStatus = gss_import_name(
(OM_uint32 *)&dwMinorStatus,
&usernameBuffer,
GSS_C_NT_USER_NAME,
&pUsername);
BAIL_ON_SEC_ERROR(dwMajorStatus);
desiredMechs.count = 1;
desiredMechs.elements = (gss_OID) gss_mech_krb5;
dwMajorStatus = gss_acquire_cred(
(OM_uint32 *)&dwMinorStatus,
pUsername,
0,
&desiredMechs,
GSS_C_INITIATE,
&pContext->credHandle,
&actualMechs,
&timeRec);
BAIL_ON_SEC_ERROR(dwMajorStatus);
break;
case IO_CREDS_TYPE_PLAIN:
inputNameBuffer.value = (void*) "unset";
inputNameBuffer.length = strlen("unset");
dwMajorStatus = gss_import_name(
(OM_uint32 *)&dwMinorStatus,
&inputNameBuffer,
(gss_OID) gss_nt_krb5_name,
&pContext->target_name);
smb_display_status("gss_import_name", dwMajorStatus, dwMinorStatus);
BAIL_ON_SEC_ERROR(dwMajorStatus);
if (pCreds->payload.plain.pwszUsername)
{
dwError = LwRtlCStringAllocateFromWC16String(&pszUsername, pCreds->payload.plain.pwszUsername);
BAIL_ON_LWIO_ERROR(dwError);
usernameBuffer.value = pszUsername;
usernameBuffer.length = strlen(pszUsername);
// If "" is passed in, that means to use anonymous
// authentication. gss_import_name fails on "" though
if (usernameBuffer.length)
{
dwMajorStatus = gss_import_name(
(OM_uint32 *)&dwMinorStatus,
&usernameBuffer,
GSS_C_NT_USER_NAME,
&pUsername);
BAIL_ON_SEC_ERROR(dwMajorStatus);
}
}
desiredMechs.count = 1;
desiredMechs.elements = (gss_OID) &gssNtlmOidDesc;
dwMajorStatus = gss_acquire_cred(
(OM_uint32 *)&dwMinorStatus,
pUsername,
0,
&desiredMechs,
GSS_C_INITIATE,
&pContext->credHandle,
&actualMechs,
&timeRec);
BAIL_ON_SEC_ERROR(dwMajorStatus);
if (pCreds->payload.plain.pwszUsername &&
pCreds->payload.plain.pwszPassword &&
pCreds->payload.plain.pwszDomain)
{
dwError = LwRtlCStringAllocateFromWC16String(&pszDomain, pCreds->payload.plain.pwszDomain);
BAIL_ON_LWIO_ERROR(dwError);
dwError = LwRtlCStringAllocateFromWC16String(&pszPassword, pCreds->payload.plain.pwszPassword);
BAIL_ON_LWIO_ERROR(dwError);
authData.User = pszUsername;
authData.UserLength = strlen(pszUsername);
authData.Domain = pszDomain;
authData.DomainLength = strlen(pszDomain);
authData.Password = pszPassword;
authData.PasswordLength = strlen(pszPassword);
authData.Flags = 0;
authDataBuffer.value = &authData;
authDataBuffer.length = sizeof(authData);
dwMajorStatus = gssspi_set_cred_option(
(OM_uint32 *)&dwMinorStatus,
pContext->credHandle,
(gss_OID) &gssCredOptionPasswordOidDesc,
&authDataBuffer);
BAIL_ON_SEC_ERROR(dwMajorStatus);
}
break;
}
}
dwError = LwIoAllocateMemory(
sizeof(CtxtHandle),
(PVOID*)&pContext->pGSSContext);
BAIL_ON_LWIO_ERROR(dwError);
*pContext->pGSSContext = GSS_C_NO_CONTEXT;
*phSMBGSSContext = (HANDLE)pContext;
cleanup:
if (pUsername != NULL)
{
gss_release_name((OM_uint32 *)&dwMinorStatus, &pUsername);
}
LWIO_SAFE_FREE_STRING(pszTargetName);
LWIO_SAFE_FREE_STRING(pszServerName);
LWIO_SAFE_FREE_STRING(pszUsername);
LWIO_SAFE_FREE_STRING(pszDomain);
LWIO_SAFE_FREE_STRING(pszPassword);
return dwError;
sec_error:
dwError = LWIO_ERROR_GSS;
error:
*phSMBGSSContext = NULL;
if (pContext)
{
SMBGSSContextFree(pContext);
}
goto cleanup;
}
DWORD
SMBGSSContextNegotiate(
HANDLE hSMBGSSContext,
PBYTE pSecurityInputBlob,
DWORD dwSecurityInputBlobLen,
PBYTE* ppSecurityBlob,
PDWORD pdwSecurityBlobLength
)
{
DWORD dwError = 0;
DWORD dwMajorStatus = 0;
DWORD dwMinorStatus = 0;
PSMB_GSS_SEC_CONTEXT pContext = (PSMB_GSS_SEC_CONTEXT)hSMBGSSContext;
gss_buffer_desc input_desc = {0};
gss_buffer_desc output_desc = {0};
DWORD ret_flags = 0;
PBYTE pSecurityBlob = NULL;
DWORD dwSecurityBlobLength = 0;
static gss_OID_desc gss_spnego_mech_oid_desc =
{6, (void *)"\x2b\x06\x01\x05\x05\x02"};
if (pContext->state == SMB_GSS_SEC_CONTEXT_STATE_COMPLETE)
{
goto cleanup;
}
input_desc.value = pSecurityInputBlob;
input_desc.length = dwSecurityInputBlobLen;
dwMajorStatus = gss_init_sec_context(
(OM_uint32 *)&dwMinorStatus,
pContext->credHandle,
pContext->pGSSContext,
pContext->target_name,
&gss_spnego_mech_oid_desc,
GSS_C_REPLAY_FLAG | GSS_C_MUTUAL_FLAG |
GSS_C_CONF_FLAG |
GSS_C_INTEG_FLAG,
0,
NULL,
&input_desc,
NULL,
&output_desc,
&ret_flags,
NULL);
smb_display_status("gss_init_sec_context", dwMajorStatus, dwMinorStatus);
switch (dwMajorStatus)
{
case GSS_S_CONTINUE_NEEDED:
pContext->state = SMB_GSS_SEC_CONTEXT_STATE_NEGOTIATE;
break;
case GSS_S_COMPLETE:
pContext->state = SMB_GSS_SEC_CONTEXT_STATE_COMPLETE;
break;
case GSS_S_FAILURE:
switch (dwMinorStatus)
{
case ((DWORD) KRB5KRB_AP_ERR_SKEW):
dwError = LWIO_ERROR_CLOCK_SKEW;
break;
case ((DWORD) KRB5KDC_ERR_TGT_REVOKED):
dwError = LW_STATUS_KDC_CERT_REVOKED;
break;
case ((DWORD) KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN):
dwError = STATUS_ACCESS_DENIED;
break;
default:
dwError = LWIO_ERROR_GSS;
}
BAIL_ON_LWIO_ERROR(dwError);
break;
default:
dwError = LWIO_ERROR_GSS;
BAIL_ON_LWIO_ERROR(dwError);
break;
}
if (output_desc.length)
{
dwError = LwIoAllocateMemory(
output_desc.length,
(PVOID*)&pSecurityBlob);
BAIL_ON_LWIO_ERROR(dwError);
memcpy(pSecurityBlob, output_desc.value, output_desc.length);
dwSecurityBlobLength = output_desc.length;
}
*ppSecurityBlob = pSecurityBlob;
*pdwSecurityBlobLength = dwSecurityBlobLength;
cleanup:
gss_release_buffer(&dwMinorStatus, &output_desc);
return dwError;
error:
*ppSecurityBlob = NULL;
*pdwSecurityBlobLength = 0;
LWIO_SAFE_FREE_MEMORY(pSecurityBlob);
goto cleanup;
}
static
NTSTATUS
LwIoCredentialCacheToTgt(
PIO_CREDS pCacheToken,
PIO_CREDS* ppCreds
)
{
NTSTATUS Status = STATUS_SUCCESS;
krb5_context pContext = NULL;
krb5_error_code krb5Error = 0;
krb5_ccache pCache = NULL;
PSTR pszClientPrincipalName = NULL;
PSTR pszServerPrincipalName = NULL;
PSTR pszDesiredPrincipal = NULL;
PSTR pszCredCachePath = NULL;
PIO_CREDS pCreds = NULL;
BOOLEAN bFoundTgt = FALSE;
BOOLEAN bStartSeq = FALSE;
krb5_creds creds;
krb5_cc_cursor cursor;
Status = LwRtlCStringAllocateFromWC16String(
&pszDesiredPrincipal,
pCacheToken->payload.krb5Ccache.pwszPrincipal);
BAIL_ON_NT_STATUS(Status);
Status = LwRtlCStringAllocateFromWC16String(
&pszCredCachePath,
pCacheToken->payload.krb5Ccache.pwszCachePath);
BAIL_ON_NT_STATUS(Status);
/* Open credentials cache */
krb5Error = krb5_init_context(&pContext);
if (krb5Error)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
BAIL_ON_NT_STATUS(Status);
}
krb5Error = krb5_cc_resolve(pContext, pszCredCachePath, &pCache);
if (krb5Error)
{
Status = STATUS_UNSUCCESSFUL;
BAIL_ON_NT_STATUS(Status);
}
/* Look for a TGT */
krb5Error = krb5_cc_start_seq_get(pContext, pCache, &cursor);
if (krb5Error)
{
Status = STATUS_UNSUCCESSFUL;
BAIL_ON_NT_STATUS(Status);
}
bStartSeq = TRUE;
while ((krb5Error = krb5_cc_next_cred(pContext, pCache, &cursor, &creds)) == 0)
{
/* Look tickets with the intial flag set */
if (creds.ticket_flags & TKT_FLG_INITIAL)
{
/* Extract and compare client principal with desired principal */
krb5Error = krb5_unparse_name(pContext, creds.client, &pszClientPrincipalName);
if (krb5Error)
{
Status = STATUS_UNSUCCESSFUL;
BAIL_ON_NT_STATUS(Status);
}
if (!strcmp(pszClientPrincipalName, pszDesiredPrincipal))
{
bFoundTgt = TRUE;
break;
}
krb5_free_unparsed_name(pContext, pszClientPrincipalName);
pszClientPrincipalName = NULL;
}
krb5_free_cred_contents(pContext, &creds);
}
if (!bFoundTgt)
{
Status = STATUS_UNSUCCESSFUL;
BAIL_ON_NT_STATUS(Status);
}
/* Extract server principal name */
krb5Error = krb5_unparse_name(pContext, creds.server, &pszServerPrincipalName);
if (krb5Error)
{
Status = STATUS_UNSUCCESSFUL;
BAIL_ON_NT_STATUS(Status);
}
/* Construct token from krb5 credential data */
Status = LwIoAllocateMemory(sizeof(*pCreds), OUT_PPVOID(&pCreds));
BAIL_ON_NT_STATUS(Status);
pCreds->type = IO_CREDS_TYPE_KRB5_TGT;
/* Copy principal names */
Status = LwRtlWC16StringAllocateFromCString(
&pCreds->payload.krb5Tgt.pwszClientPrincipal,
pszClientPrincipalName);
BAIL_ON_NT_STATUS(Status);
Status = LwRtlWC16StringAllocateFromCString(
&pCreds->payload.krb5Tgt.pwszServerPrincipal,
pszServerPrincipalName);
BAIL_ON_NT_STATUS(Status);
/* Set time fields */
pCreds->payload.krb5Tgt.authTime = creds.times.authtime;
pCreds->payload.krb5Tgt.startTime = creds.times.starttime;
pCreds->payload.krb5Tgt.endTime = creds.times.endtime;
pCreds->payload.krb5Tgt.renewTillTime = creds.times.renew_till;
/* Copy encryption key */
pCreds->payload.krb5Tgt.keyType = creds.keyblock.enctype;
pCreds->payload.krb5Tgt.ulKeySize = creds.keyblock.length;
Status = LwIoAllocateMemory(
creds.keyblock.length,
OUT_PPVOID(&pCreds->payload.krb5Tgt.pKeyData));
BAIL_ON_NT_STATUS(Status);
memcpy(
pCreds->payload.krb5Tgt.pKeyData,
creds.keyblock.contents,
creds.keyblock.length);
/* Copy tgt */
pCreds->payload.krb5Tgt.tgtFlags = creds.ticket_flags;
pCreds->payload.krb5Tgt.ulTgtSize = creds.ticket.length;
Status = LwIoAllocateMemory(
creds.ticket.length,
OUT_PPVOID(&pCreds->payload.krb5Tgt.pTgtData));
BAIL_ON_NT_STATUS(Status);
memcpy(
pCreds->payload.krb5Tgt.pTgtData,
creds.ticket.data,
creds.ticket.length);
*ppCreds = pCreds;
cleanup:
LWIO_SAFE_FREE_MEMORY(pszDesiredPrincipal);
LWIO_SAFE_FREE_MEMORY(pszCredCachePath);
if (pszClientPrincipalName)
{
krb5_free_unparsed_name(pContext, pszClientPrincipalName);
}
if (pszServerPrincipalName)
{
krb5_free_unparsed_name(pContext, pszServerPrincipalName);
}
if (bFoundTgt)
{
krb5_free_cred_contents(pContext, &creds);
}
if (bStartSeq)
{
krb5_cc_end_seq_get(pContext, pCache, &cursor);
}
if (pCache)
{
krb5_cc_close(pContext, pCache);
}
if (pContext)
{
krb5_free_context(pContext);
}
return Status;
error:
*ppCreds = NULL;
if (pCreds)
{
LwIoDeleteCreds(pCreds);
}
goto cleanup;
}
NTSTATUS
LwIoCopyCreds(
PIO_CREDS pCreds,
PIO_CREDS* ppCredsCopy
)
{
NTSTATUS Status = STATUS_SUCCESS;
PIO_CREDS pCredsCopy = NULL;
if (pCreds)
{
Status = LwIoAllocateMemory(sizeof(*pCredsCopy), OUT_PPVOID(&pCredsCopy));
BAIL_ON_NT_STATUS(Status);
pCredsCopy->type = pCreds->type;
switch (pCreds->type)
{
case IO_CREDS_TYPE_PLAIN:
Status = RtlWC16StringDuplicate(
&pCredsCopy->payload.plain.pwszUsername,
pCreds->payload.plain.pwszUsername);
BAIL_ON_NT_STATUS(Status);
Status = RtlWC16StringDuplicate(
&pCredsCopy->payload.plain.pwszDomain,
pCreds->payload.plain.pwszDomain);
BAIL_ON_NT_STATUS(Status);
Status = RtlWC16StringDuplicate(
&pCredsCopy->payload.plain.pwszPassword,
pCreds->payload.plain.pwszPassword);
BAIL_ON_NT_STATUS(Status);
break;
case IO_CREDS_TYPE_KRB5_CCACHE:
Status = RtlWC16StringDuplicate(
&pCredsCopy->payload.krb5Ccache.pwszPrincipal,
pCreds->payload.krb5Ccache.pwszPrincipal);
BAIL_ON_NT_STATUS(Status);
Status = RtlWC16StringDuplicate(
&pCredsCopy->payload.krb5Ccache.pwszCachePath,
pCreds->payload.krb5Ccache.pwszCachePath);
BAIL_ON_NT_STATUS(Status);
break;
case IO_CREDS_TYPE_KRB5_TGT:
Status = RtlWC16StringDuplicate(
&pCredsCopy->payload.krb5Tgt.pwszClientPrincipal,
pCreds->payload.krb5Tgt.pwszClientPrincipal);
BAIL_ON_NT_STATUS(Status);
Status = RtlWC16StringDuplicate(
&pCredsCopy->payload.krb5Tgt.pwszServerPrincipal,
pCreds->payload.krb5Tgt.pwszServerPrincipal);
BAIL_ON_NT_STATUS(Status);
pCredsCopy->payload.krb5Tgt.authTime = pCreds->payload.krb5Tgt.authTime;
pCredsCopy->payload.krb5Tgt.startTime = pCreds->payload.krb5Tgt.startTime;
pCredsCopy->payload.krb5Tgt.endTime = pCreds->payload.krb5Tgt.endTime;
pCredsCopy->payload.krb5Tgt.renewTillTime = pCreds->payload.krb5Tgt.renewTillTime;
pCredsCopy->payload.krb5Tgt.keyType = pCreds->payload.krb5Tgt.keyType;
pCredsCopy->payload.krb5Tgt.ulKeySize = pCreds->payload.krb5Tgt.ulKeySize;
Status = LwIoAllocateMemory(
pCreds->payload.krb5Tgt.ulKeySize,
OUT_PPVOID(&pCredsCopy->payload.krb5Tgt.pKeyData));
BAIL_ON_NT_STATUS(Status);
memcpy(
pCredsCopy->payload.krb5Tgt.pKeyData,
pCreds->payload.krb5Tgt.pKeyData,
pCreds->payload.krb5Tgt.ulKeySize);
pCredsCopy->payload.krb5Tgt.tgtFlags = pCreds->payload.krb5Tgt.tgtFlags;
pCredsCopy->payload.krb5Tgt.ulTgtSize = pCreds->payload.krb5Tgt.ulTgtSize;
Status = LwIoAllocateMemory(
pCreds->payload.krb5Tgt.ulTgtSize,
OUT_PPVOID(&pCredsCopy->payload.krb5Tgt.pTgtData));
BAIL_ON_NT_STATUS(Status);
memcpy(
pCredsCopy->payload.krb5Tgt.pTgtData,
pCreds->payload.krb5Tgt.pTgtData,
pCreds->payload.krb5Tgt.ulTgtSize);
break;
}
*ppCredsCopy = pCredsCopy;
}
else
{
*ppCredsCopy = NULL;
}
cleanup:
return Status;
error:
if (pCredsCopy)
{
LwIoDeleteCreds(pCredsCopy);
}
goto cleanup;
}
static
NTSTATUS
SMBPacketBufferAllocatePooled(
IN PLWIO_PACKET_ALLOCATOR pPacketAllocator,
IN size_t len,
OUT uint8_t** ppBuffer,
OUT size_t* pAllocatedLen
)
{
NTSTATUS ntStatus = 0;
uint8_t* pBuffer = NULL;
size_t allocatedLen = 0;
BOOLEAN bInLock = FALSE;
LWIO_LOCK_MUTEX(bInLock, &pPacketAllocator->mutex);
/* If the len is greater than our current allocator len, adjust */
if (len > pPacketAllocator->freeBufferLen)
{
SMBStackFree(pPacketAllocator->pFreeBufferStack);
pPacketAllocator->pFreeBufferStack = NULL;
pPacketAllocator->freeBufferLen = len;
}
if (pPacketAllocator->pFreeBufferStack)
{
pBuffer = (uint8_t *) pPacketAllocator->pFreeBufferStack;
allocatedLen = pPacketAllocator->freeBufferLen;
SMBStackPopNoFree(&pPacketAllocator->pFreeBufferStack);
pPacketAllocator->freeBufferCount--;
LWIO_UNLOCK_MUTEX(bInLock, &pPacketAllocator->mutex);
memset(pBuffer, 0, allocatedLen);
}
else
{
allocatedLen = pPacketAllocator->freeBufferLen;
LWIO_UNLOCK_MUTEX(bInLock, &pPacketAllocator->mutex);
ntStatus = LwIoAllocateMemory(allocatedLen, (PVOID *) &pBuffer);
BAIL_ON_NT_STATUS(ntStatus);
}
*ppBuffer = pBuffer;
*pAllocatedLen = allocatedLen;
cleanup:
LWIO_UNLOCK_MUTEX(bInLock, &pPacketAllocator->mutex);
return ntStatus;
error:
*ppBuffer = NULL;
*pAllocatedLen = 0;
goto cleanup;
}
NTSTATUS
RdrTree2Create(
PRDR_TREE2* ppTree
)
{
NTSTATUS status = 0;
PRDR_TREE2 pTree = NULL;
BOOLEAN bDestroyMutex = FALSE;
pthread_mutexattr_t mutexAttr;
pthread_mutexattr_t* pMutexAttr = NULL;
status = LwIoAllocateMemory(
sizeof(RDR_TREE2),
(PVOID*)&pTree);
BAIL_ON_NT_STATUS(status);
LwListInit(&pTree->StateWaiters);
status = pthread_mutexattr_init(&mutexAttr);
BAIL_ON_NT_STATUS(status);
pMutexAttr = &mutexAttr;
status = pthread_mutexattr_settype(pMutexAttr, PTHREAD_MUTEX_RECURSIVE);
BAIL_ON_NT_STATUS(status);
pthread_mutex_init(&pTree->mutex, pMutexAttr);
bDestroyMutex = TRUE;
/* Pre-allocate resources to send a tree disconnect */
status = RdrCreateContext(NULL, &pTree->pDisconnectContext);
BAIL_ON_NT_STATUS(status);
status = RdrAllocateContextPacket(pTree->pDisconnectContext, RDR_SMB2_STUB_SIZE);
BAIL_ON_NT_STATUS(status);
pTree->refCount = 1;
pTree->pSession = NULL;
pTree->ulTid = 0;
pTree->pwszPath = NULL;
pTree->version = SMB_PROTOCOL_VERSION_2;
*ppTree = pTree;
cleanup:
if (pMutexAttr)
{
pthread_mutexattr_destroy(pMutexAttr);
}
return status;
error:
if (bDestroyMutex)
{
pthread_mutex_destroy(&pTree->mutex);
}
if (pTree)
{
RdrTree2DestroyContents(pTree);
}
LWIO_SAFE_FREE_MEMORY(pTree);
*ppTree = NULL;
goto cleanup;
}
