NTSTATUS
PvfsCreateFileDoSysOpen(
IN PVOID pContext
)
{
NTSTATUS ntError = STATUS_UNSUCCESSFUL;
PPVFS_PENDING_CREATE pCreateContext = (PPVFS_PENDING_CREATE)pContext;
PIRP pIrp = pCreateContext->pIrpContext->pIrp;
IRP_ARGS_CREATE Args = pIrp->Args.Create;
int fd = -1;
int unixFlags = 0;
PIO_CREATE_SECURITY_CONTEXT pSecCtx = Args.SecurityContext;
FILE_CREATE_RESULT CreateResult = 0;
PIO_SECURITY_CONTEXT_PROCESS_INFORMATION pProcess = NULL;
pProcess = IoSecurityGetProcessInfo(pSecCtx);
/* Fail any create that requires setting the security but doesn't
have the Unix uid/gid information */
if ((pCreateContext->SetPropertyFlags & PVFS_SET_PROP_SECURITY) &&
(pProcess == NULL))
{
ntError = STATUS_ACCESS_DENIED;
BAIL_ON_NT_STATUS(ntError);
}
ntError = PvfsEnforceShareMode(
pCreateContext->pFcb,
Args.ShareAccess,
pCreateContext->GrantedAccess);
BAIL_ON_NT_STATUS(ntError);
/* Do the open() */
ntError = MapPosixOpenFlags(&unixFlags, pCreateContext->GrantedAccess, Args);
BAIL_ON_NT_STATUS(ntError);
do
{
ntError = PvfsSysOpen(
&fd,
pCreateContext->pszDiskFilename,
unixFlags,
(mode_t)gPvfsDriverConfig.CreateFileMode);
} while (ntError == STATUS_MORE_PROCESSING_REQUIRED);
BAIL_ON_NT_STATUS(ntError);
/* Perform preallocation is requested */
if (Args.AllocationSize > 0)
{
BOOLEAN bAllocate = FALSE;
switch (Args.CreateDisposition)
{
case FILE_SUPERSEDE:
case FILE_CREATE:
case FILE_OVERWRITE:
case FILE_OVERWRITE_IF:
bAllocate = TRUE;
break;
case FILE_OPEN_IF:
if (!pCreateContext->bFileExisted)
{
bAllocate = TRUE;
}
break;
}
if (bAllocate)
{
ntError = PvfsSysFtruncate(fd, (off_t)Args.AllocationSize);
BAIL_ON_NT_STATUS(ntError);
}
}
/* Save our state */
pCreateContext->pCcb->fd = fd;
pCreateContext->pCcb->ShareFlags = Args.ShareAccess;
pCreateContext->pCcb->AccessGranted = pCreateContext->GrantedAccess;
pCreateContext->pCcb->CreateOptions = Args.CreateOptions;
pCreateContext->pCcb->pszFilename = pCreateContext->pszDiskFilename;
pCreateContext->pszDiskFilename = NULL;
ntError = PvfsAddCCBToFCB(pCreateContext->pFcb, pCreateContext->pCcb);
BAIL_ON_NT_STATUS(ntError);
ntError = PvfsSaveFileDeviceInfo(pCreateContext->pCcb);
BAIL_ON_NT_STATUS(ntError);
/* CCB is now complete */
if ((pCreateContext->SetPropertyFlags & PVFS_SET_PROP_SECURITY) && pSecCtx)
{
/* Unix Security */
ntError = PvfsSysChown(
pCreateContext->pCcb,
pProcess->Uid,
pProcess->Gid);
BAIL_ON_NT_STATUS(ntError);
/* Security Descriptor */
ntError = PvfsCreateFileSecurity(
pCreateContext->pCcb->pUserToken,
pCreateContext->pCcb,
Args.SecurityDescriptor,
FALSE);
BAIL_ON_NT_STATUS(ntError);
}
if ((pCreateContext->SetPropertyFlags & PVFS_SET_PROP_ATTRIB) &&
(Args.FileAttributes != 0))
{
ntError = PvfsSetFileAttributes(
pCreateContext->pCcb,
Args.FileAttributes);
BAIL_ON_NT_STATUS(ntError);
}
/* Save the delete-on-close flag to the FCB */
if (Args.CreateOptions & FILE_DELETE_ON_CLOSE)
{
pCreateContext->pCcb->bPendingDeleteHandle = TRUE;
}
ntError = PvfsStoreCCB(pIrp->FileHandle, pCreateContext->pCcb);
BAIL_ON_NT_STATUS(ntError);
PvfsInitializeZctSupport(pCreateContext->pCcb, pIrp->FileHandle);
CreateResult = PvfsSetCreateResult(
Args.CreateDisposition,
pCreateContext->bFileExisted,
STATUS_SUCCESS);
if (CreateResult == FILE_CREATED)
{
PvfsNotifyScheduleFullReport(
pCreateContext->pCcb->pFcb,
FILE_NOTIFY_CHANGE_FILE_NAME,
FILE_ACTION_ADDED,
pCreateContext->pCcb->pszFilename);
}
/* The CCB has been handled off to the FileHandle so make sure
we don't think we still own it */
pCreateContext->pCcb = NULL;
cleanup:
pIrp->IoStatusBlock.CreateResult = CreateResult;
return ntError;
error:
CreateResult = PvfsSetCreateResult(
Args.CreateDisposition,
pCreateContext->bFileExisted,
ntError);
if (fd != -1)
{
PSTR pszRemovePath = NULL;
/* Pick up where we started the pathname */
pszRemovePath = pCreateContext->pszDiskFilename ?
pCreateContext->pszDiskFilename :
pCreateContext->pCcb->pszFilename;
PvfsCleanupFailedCreate(
fd,
pszRemovePath,
!pCreateContext->bFileExisted);
}
goto cleanup;
}
NTSTATUS
PvfsCreateDirDoSysOpen(
IN PVOID pContext
)
{
NTSTATUS ntError = STATUS_UNSUCCESSFUL;
PPVFS_PENDING_CREATE pCreateContext = (PPVFS_PENDING_CREATE)pContext;
PIRP pIrp = pCreateContext->pIrpContext->pIrp;
IRP_ARGS_CREATE Args = pIrp->Args.Create;
int fd = -1;
int unixFlags = 0;
PIO_CREATE_SECURITY_CONTEXT pSecCtx = Args.SecurityContext;
FILE_CREATE_RESULT CreateResult = 0;
IO_MATCH_FILE_SPEC FileSpec = {0};
WCHAR wszPattern[2] = {L'*', 0x0 };
PIO_SECURITY_CONTEXT_PROCESS_INFORMATION pProcess = NULL;
PBOOLEAN pbEnableAbe = NULL;
ULONG ulEcpSize = 0;
pProcess = IoSecurityGetProcessInfo(pSecCtx);
/* Fail any create that requires setting the security but doesn't
have the Unix uid/gid information */
if ((pCreateContext->SetPropertyFlags & PVFS_SET_PROP_SECURITY) &&
(pProcess == NULL))
{
ntError = STATUS_ACCESS_DENIED;
BAIL_ON_NT_STATUS(ntError);
}
/* Do the open() */
ntError = MapPosixOpenFlags(
&unixFlags,
pCreateContext->GrantedAccess,
Args);
BAIL_ON_NT_STATUS(ntError);
if (!pCreateContext->bFileExisted)
{
ntError = PvfsSysMkDir(
pCreateContext->pszDiskFilename,
(mode_t)gPvfsDriverConfig.CreateDirectoryMode);
BAIL_ON_NT_STATUS(ntError);
}
/* Open the DIR* and then open a fd based on that */
ntError = PvfsAllocateMemory(
(PVOID)&pCreateContext->pCcb->pDirContext,
sizeof(PVFS_DIRECTORY_CONTEXT));
BAIL_ON_NT_STATUS(ntError);
pCreateContext->pCcb->pszFilename = pCreateContext->pszDiskFilename;
pCreateContext->pszDiskFilename = NULL;
ntError = IoRtlEcpListFind(
pIrp->Args.Create.EcpList,
SRV_ECP_TYPE_ABE,
OUT_PPVOID(&pbEnableAbe),
&ulEcpSize);
if (ntError != STATUS_NOT_FOUND)
{
BAIL_ON_NT_STATUS(ntError);
if (ulEcpSize != sizeof(BOOLEAN))
{
ntError = STATUS_INVALID_PARAMETER;
BAIL_ON_NT_STATUS(ntError);
}
if (*pbEnableAbe)
{
pCreateContext->pCcb->EcpFlags |= PVFS_ECP_ENABLE_ABE;
}
}
do
{
ntError = PvfsSysOpen(
&fd,
pCreateContext->pCcb->pszFilename,
0,
0);
} while (ntError == STATUS_MORE_PROCESSING_REQUIRED);
BAIL_ON_NT_STATUS(ntError);
/* Save our state */
pCreateContext->pCcb->fd = fd;
pCreateContext->pCcb->ShareFlags = Args.ShareAccess;
pCreateContext->pCcb->AccessGranted = pCreateContext->GrantedAccess;
pCreateContext->pCcb->CreateOptions = Args.CreateOptions;
ntError = PvfsAddCCBToFCB(pCreateContext->pFcb, pCreateContext->pCcb);
BAIL_ON_NT_STATUS(ntError);
ntError = PvfsSaveFileDeviceInfo(pCreateContext->pCcb);
BAIL_ON_NT_STATUS(ntError);
if ((pCreateContext->SetPropertyFlags & PVFS_SET_PROP_SECURITY) && pSecCtx)
{
/* Unix Security */
ntError = PvfsSysChown(
pCreateContext->pCcb,
pProcess->Uid,
pProcess->Gid);
BAIL_ON_NT_STATUS(ntError);
/* Security Descriptor */
ntError = PvfsCreateFileSecurity(
pCreateContext->pCcb->pUserToken,
pCreateContext->pCcb,
Args.SecurityDescriptor,
TRUE);
BAIL_ON_NT_STATUS(ntError);
}
if ((pCreateContext->SetPropertyFlags & PVFS_SET_PROP_ATTRIB) &&
(Args.FileAttributes != 0))
{
ntError = PvfsSetFileAttributes(
pCreateContext->pCcb,
Args.FileAttributes);
BAIL_ON_NT_STATUS(ntError);
}
/* Save the delete-on-close flag to the FCB */
if (Args.CreateOptions & FILE_DELETE_ON_CLOSE)
{
LwRtlUnicodeStringInit(&FileSpec.Pattern, wszPattern);
ntError = PvfsEnumerateDirectory(pCreateContext->pCcb, &FileSpec, 1, FALSE);
if (ntError == STATUS_SUCCESS)
{
ntError = STATUS_DIRECTORY_NOT_EMPTY;
BAIL_ON_NT_STATUS(ntError);
}
pCreateContext->pCcb->bPendingDeleteHandle = TRUE;
}
ntError = PvfsStoreCCB(pIrp->FileHandle, pCreateContext->pCcb);
BAIL_ON_NT_STATUS(ntError);
PvfsInitializeZctSupport(pCreateContext->pCcb, pIrp->FileHandle);
CreateResult = PvfsSetCreateResult(
Args.CreateDisposition,
pCreateContext->bFileExisted,
STATUS_SUCCESS);
if (CreateResult == FILE_CREATED)
{
PvfsNotifyScheduleFullReport(
pCreateContext->pCcb->pFcb,
FILE_NOTIFY_CHANGE_FILE_NAME,
FILE_ACTION_ADDED,
pCreateContext->pCcb->pszFilename);
}
/* The CCB has been handled off to the FileHandle so make sure
we don't think we still own it */
pCreateContext->pCcb = NULL;
cleanup:
pIrp->IoStatusBlock.CreateResult = CreateResult;
return ntError;
error:
CreateResult = PvfsSetCreateResult(
Args.CreateDisposition,
pCreateContext->bFileExisted,
ntError);
if (fd != -1)
{
PSTR pszRemovePath = NULL;
/* Pick up where we started the pathname */
pszRemovePath = pCreateContext->pszDiskFilename ?
pCreateContext->pszDiskFilename :
pCreateContext->pCcb->pszFilename;
PvfsCleanupFailedCreate(
fd,
pszRemovePath,
!pCreateContext->bFileExisted);
}
goto cleanup;
}
NTSTATUS
PvfsCcbSetFileBasicInformation(
PPVFS_CCB pCcb,
PFILE_BASIC_INFORMATION pFileInfo
)
{
NTSTATUS ntError = STATUS_SUCCESS;
LONG64 WriteTime = 0;
LONG64 AccessTime = 0;
FILE_NOTIFY_CHANGE NotifyFilter = FILE_NOTIFY_CHANGE_LAST_WRITE |
FILE_NOTIFY_CHANGE_LAST_ACCESS;
PVFS_STAT Stat = {0};
BOOLEAN fcbControlLocked = FALSE;
PPVFS_FCB pFcb = PvfsReferenceFCB(pCcb->pScb->pOwnerFcb);
if (PvfsIsDefaultStream(pCcb->pScb))
{
ntError = PvfsValidatePathSCB(pCcb->pScb, &pCcb->FileId);
}
else
{
// Have to grab the base file object
LWIO_LOCK_MUTEX(fcbControlLocked, &pFcb->BaseControlBlock.Mutex);
ntError = PvfsValidatePathFCB(pFcb, &pFcb->FileId);
BAIL_ON_NT_STATUS(ntError);
LWIO_UNLOCK_MUTEX(fcbControlLocked, &pFcb->BaseControlBlock.Mutex);
}
/* We cant's set the Change Time so ignore it */
WriteTime = pFileInfo->LastWriteTime;
AccessTime = pFileInfo->LastAccessTime;
/* Ignore 0xffffffff */
if (WriteTime == (LONG64)-1) {
WriteTime = 0;
}
if (AccessTime == (LONG64)-1) {
AccessTime = 0;
}
/* Save for "sticky" WriteTime sematics */
if (WriteTime != 0)
{
PvfsSetLastWriteTimeFCB(pFcb, WriteTime);
}
/* Check if we need to preserve any original timestamps */
if (WriteTime == 0 || AccessTime == 0)
{
if (PvfsIsDefaultStream(pCcb->pScb))
{
ntError = PvfsSysFstat(pCcb->fd, &Stat);
}
else
{
// Have to grab the stat() on the base file object
ntError = PvfsSysStatByFcb(pFcb, &Stat);
}
BAIL_ON_NT_STATUS(ntError);
if (WriteTime == 0)
{
NotifyFilter &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
ntError = PvfsUnixToWinTime(&WriteTime, Stat.s_mtime);
BAIL_ON_NT_STATUS(ntError);
}
if (AccessTime == 0)
{
NotifyFilter &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
ntError = PvfsUnixToWinTime(&AccessTime, Stat.s_atime);
BAIL_ON_NT_STATUS(ntError);
}
}
ntError = PvfsSysUtimeByFcb(pFcb, WriteTime, AccessTime);
BAIL_ON_NT_STATUS(ntError);
if (pFileInfo->FileAttributes != 0)
{
ntError = PvfsSetFileAttributes(pCcb, pFileInfo->FileAttributes);
BAIL_ON_NT_STATUS(ntError);
}
if (NotifyFilter != 0)
{
PvfsNotifyScheduleFullReport(
pFcb,
NotifyFilter,
FILE_ACTION_MODIFIED,
pFcb->pszFilename);
}
error:
LWIO_UNLOCK_MUTEX(fcbControlLocked, &pFcb->BaseControlBlock.Mutex);
if (pFcb)
{
PvfsReleaseFCB(&pFcb);
}
return ntError;
}
