NTSTATUS
SrvBuildTreeRelativePath(
PLWIO_SRV_TREE pTree,
PWSTR pwszFilename,
PIO_FILE_NAME pFilename
)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
BOOLEAN bInLock = FALSE;
PWSTR pwszFilePath = NULL;
if (SrvTreeIsNamedPipe(pTree))
{
LWIO_LOCK_RWMUTEX_SHARED(bInLock, &pTree->pShareInfo->mutex);
ntStatus = SrvBuildFilePath(
pTree->pShareInfo->pwszPath,
pwszFilename,
&pwszFilePath);
BAIL_ON_NT_STATUS(ntStatus);
}
else
{
wchar16_t wszBackslash[] = {'\\', 0};
if (!IsNullOrEmptyString(pwszFilename) &&
SMBWc16sCmp(pwszFilename, &wszBackslash[0]))
{
ntStatus = SrvBuildFilePath(
NULL,
pwszFilename,
&pwszFilePath);
BAIL_ON_NT_STATUS(ntStatus);
}
LWIO_LOCK_RWMUTEX_SHARED(bInLock, &pTree->pShareInfo->mutex);
pFilename->RootFileHandle = pTree->hFile;
}
pFilename->FileName = pwszFilePath;
cleanup:
LWIO_UNLOCK_RWMUTEX(bInLock, &pTree->pShareInfo->mutex);
return ntStatus;
error:
goto cleanup;
}
static
NTSTATUS
SrvDeleteSingleFile(
PSRV_EXEC_CONTEXT pExecContext
)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
PSRV_PROTOCOL_EXEC_CONTEXT pCtxProtocol = pExecContext->pProtocolContext;
PSRV_EXEC_CONTEXT_SMB_V1 pCtxSmb1 = pCtxProtocol->pSmb1Context;
PSRV_DELETE_STATE_SMB_V1 pDeleteState = NULL;
wchar16_t wszDot[] = {'.', 0};
pDeleteState = (PSRV_DELETE_STATE_SMB_V1)pCtxSmb1->hState;
if (!pDeleteState->bPendingCreate)
{
if ((SMBWc16sCmp(pDeleteState->pwszSearchPattern2, wszDot) == 0))
{
ntStatus = STATUS_OBJECT_NAME_INVALID;
BAIL_ON_NT_STATUS(ntStatus);
}
ntStatus = SrvBuildFilePath(
pDeleteState->pwszFilesystemPath,
pDeleteState->pwszSearchPattern2,
&pDeleteState->fileName.Name);
BAIL_ON_NT_STATUS(ntStatus);
pDeleteState->fileName.RootFileHandle = pDeleteState->pTree->hFile;
SrvPrepareDeleteStateAsync(pDeleteState, pExecContext);
pDeleteState->bPendingCreate = TRUE;
ntStatus = SrvIoCreateFile(
pDeleteState->pTree->pShareInfo,
&pDeleteState->hFile,
pDeleteState->pAcb,
&pDeleteState->ioStatusBlock,
pDeleteState->pSession->pIoSecurityContext,
&pDeleteState->fileName,
pDeleteState->pSecurityDescriptor,
pDeleteState->pSecurityQOS,
DELETE,
0,
FILE_ATTRIBUTE_NORMAL,
FILE_NO_SHARE,
FILE_OPEN,
FILE_DELETE_ON_CLOSE|FILE_NON_DIRECTORY_FILE,
NULL,
0,
pDeleteState->pEcpList);
BAIL_ON_NT_STATUS(ntStatus);
SrvReleaseDeleteStateAsync(pDeleteState); // completed sync
}
pDeleteState->bPendingCreate = FALSE;
ntStatus = pDeleteState->ioStatusBlock.Status;
BAIL_ON_NT_STATUS(ntStatus);
if (pDeleteState->hFile)
{
IoCloseFile(pDeleteState->hFile);
pDeleteState->hFile = NULL;
}
cleanup:
return ntStatus;
error:
/* Have to do some error mapping here to match WinXP */
switch (ntStatus)
{
case STATUS_PENDING:
case STATUS_ACCESS_DENIED:
case STATUS_FILE_IS_A_DIRECTORY:
case STATUS_SHARING_VIOLATION:
case STATUS_OBJECT_NAME_INVALID:
break;
case STATUS_OBJECT_NAME_NOT_FOUND:
case STATUS_NO_SUCH_FILE:
ntStatus = STATUS_OBJECT_NAME_NOT_FOUND;
break;
default:
ntStatus = STATUS_CANNOT_DELETE;
break;
}
goto cleanup;
}
static
NTSTATUS
SrvDeleteFiles(
PSRV_EXEC_CONTEXT pExecContext
)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
PSRV_PROTOCOL_EXEC_CONTEXT pCtxProtocol = pExecContext->pProtocolContext;
PSRV_EXEC_CONTEXT_SMB_V1 pCtxSmb1 = pCtxProtocol->pSmb1Context;
PSRV_DELETE_STATE_SMB_V1 pDeleteState = NULL;
PWSTR pwszFilename = NULL;
wchar16_t wszDot[] = {'.', 0};
pDeleteState = (PSRV_DELETE_STATE_SMB_V1)pCtxSmb1->hState;
if (pDeleteState->bPendingCreate)
{
pDeleteState->bPendingCreate = FALSE;
ntStatus = pDeleteState->ioStatusBlock.Status;
BAIL_ON_NT_STATUS(ntStatus);
IoCloseFile(pDeleteState->hFile);
pDeleteState->hFile = NULL;
pDeleteState->bDeletedFile = TRUE;
pDeleteState->iResult++;
}
for (;;)
{
for ( ;
pDeleteState->iResult < pDeleteState->usSearchResultCount;
pDeleteState->iResult++)
{
BOOLEAN bEligibleForDelete = FALSE;
FILE_ATTRIBUTES ulIncludeAttributes = 0;
if (!pDeleteState->pResult)
{
pDeleteState->pResult =
(PSMB_FIND_FILE_BOTH_DIRECTORY_INFO_HEADER)pDeleteState->pData;
}
else if (pDeleteState->pResult->NextEntryOffset)
{
PBYTE pTmp = (PBYTE)pDeleteState->pResult +
pDeleteState->pResult->NextEntryOffset;
pDeleteState->pResult =
(PSMB_FIND_FILE_BOTH_DIRECTORY_INFO_HEADER)pTmp;
}
else
{
ntStatus = STATUS_INTERNAL_ERROR;
BAIL_ON_NT_STATUS(ntStatus);
}
if (pwszFilename)
{
SrvFreeMemory(pwszFilename);
pwszFilename = NULL;
}
ulIncludeAttributes =
SMB_FILE_ATTRIBUTES_TO_NATIVE(pDeleteState->usSearchAttributes);
bEligibleForDelete =
(IsSetFlag(pDeleteState->pResult->FileAttributes,
ulIncludeAttributes & (FILE_ATTRIBUTE_DIRECTORY |
FILE_ATTRIBUTE_HIDDEN |
FILE_ATTRIBUTE_SYSTEM))) ||
(!IsSetFlag(pDeleteState->pResult->FileAttributes,
(FILE_ATTRIBUTE_DIRECTORY |
FILE_ATTRIBUTE_HIDDEN |
FILE_ATTRIBUTE_SYSTEM)));
if (!bEligibleForDelete)
{
if (!pDeleteState->bPathHasWildCards)
{
if ((SMBWc16sCmp(pDeleteState->pwszSearchPattern2, wszDot) == 0))
{
ntStatus = STATUS_OBJECT_NAME_INVALID;
}
else if (IsSetFlag(pDeleteState->pResult->FileAttributes,
FILE_ATTRIBUTE_DIRECTORY))
{
ntStatus = STATUS_FILE_IS_A_DIRECTORY;
}
else
{
ntStatus = STATUS_NO_SUCH_FILE;
}
BAIL_ON_NT_STATUS(ntStatus);
}
continue;
}
if (pDeleteState->bUseLongFilenames)
{
ntStatus = SrvAllocateMemory(
pDeleteState->pResult->FileNameLength + sizeof(wchar16_t),
(PVOID*)&pwszFilename);
BAIL_ON_NT_STATUS(ntStatus);
memcpy((PBYTE)pwszFilename,
(PBYTE)pDeleteState->pResult->FileName,
pDeleteState->pResult->FileNameLength);
}
else
{
ntStatus = SrvAllocateMemory(
pDeleteState->pResult->ShortNameLength + sizeof(wchar16_t),
(PVOID*)&pwszFilename);
BAIL_ON_NT_STATUS(ntStatus);
memcpy((PBYTE)pwszFilename,
(PBYTE)pDeleteState->pResult->ShortName,
pDeleteState->pResult->ShortNameLength);
}
if (SMBWc16sCmp(pwszFilename, wszDot) == 0)
{
ntStatus = STATUS_OBJECT_NAME_INVALID;
BAIL_ON_NT_STATUS(ntStatus);
}
SRV_FREE_UNICODE_STRING(&pDeleteState->fileName.Name);
ntStatus = SrvBuildFilePath(
pDeleteState->pwszFilesystemPath,
pwszFilename,
&pDeleteState->fileName.Name);
BAIL_ON_NT_STATUS(ntStatus);
pDeleteState->fileName.RootFileHandle = pDeleteState->pTree->hFile;
SrvPrepareDeleteStateAsync(pDeleteState, pExecContext);
pDeleteState->bPendingCreate = TRUE;
ntStatus = SrvIoCreateFile(
pDeleteState->pTree->pShareInfo,
&pDeleteState->hFile,
pDeleteState->pAcb,
&pDeleteState->ioStatusBlock,
pDeleteState->pSession->pIoSecurityContext,
&pDeleteState->fileName,
pDeleteState->pSecurityDescriptor,
pDeleteState->pSecurityQOS,
DELETE,
0,
FILE_ATTRIBUTE_NORMAL,
FILE_NO_SHARE,
FILE_OPEN,
FILE_DELETE_ON_CLOSE|FILE_NON_DIRECTORY_FILE,
NULL,
0,
pDeleteState->pEcpList);
BAIL_ON_NT_STATUS(ntStatus);
SrvReleaseDeleteStateAsync(pDeleteState); // completed sync
pDeleteState->bPendingCreate = FALSE;
IoCloseFile(pDeleteState->hFile);
pDeleteState->hFile = NULL;
pDeleteState->bDeletedFile = TRUE;
}
if (pDeleteState->bEndOfSearch)
{
break;
}
if (pDeleteState->pData)
{
SrvFreeMemory(pDeleteState->pData);
pDeleteState->pData = NULL;
}
pDeleteState->iResult = 0;
pDeleteState->pResult = NULL;
ntStatus = SrvFinderGetSearchResults(
pDeleteState->hSearchSpace,
FALSE, /* bReturnSingleEntry */
FALSE, /* bRestartScan */
10, /* Desired search count */
UINT16_MAX, /* Max data count */
pDeleteState->usDataOffset,
&pDeleteState->pData,
&pDeleteState->usDataLen,
&pDeleteState->usSearchResultCount,
&pDeleteState->bEndOfSearch);
if (ntStatus == STATUS_NO_MORE_MATCHES)
{
ntStatus = STATUS_ASSERTION_FAILURE;
BAIL_ON_NT_STATUS(ntStatus);
}
if (ntStatus == STATUS_NO_SUCH_FILE)
{
ntStatus = STATUS_SUCCESS;
break;
}
}
if (!pDeleteState->bDeletedFile)
{
if (pDeleteState->bPathHasWildCards)
{
ntStatus = STATUS_NO_SUCH_FILE;
}
else
{
ntStatus = STATUS_OBJECT_NAME_NOT_FOUND;
}
BAIL_ON_NT_STATUS(ntStatus);
}
cleanup:
if (pwszFilename)
{
SrvFreeMemory(pwszFilename);
}
return ntStatus;
error:
/* Have to do some error mapping here to match WinXP */
switch (ntStatus)
{
case STATUS_PENDING:
case STATUS_ACCESS_DENIED:
case STATUS_FILE_IS_A_DIRECTORY:
case STATUS_SHARING_VIOLATION:
case STATUS_OBJECT_NAME_NOT_FOUND:
case STATUS_OBJECT_NAME_INVALID:
case STATUS_NO_SUCH_FILE:
break;
default:
ntStatus = STATUS_CANNOT_DELETE;
break;
}
goto cleanup;
}