static
VOID
IopIrpFree(
IN OUT PIRP* ppIrp
)
{
PIRP pIrp = *ppIrp;
if (pIrp)
{
PIRP_INTERNAL irpInternal = IopIrpGetInternal(pIrp);
LWIO_ASSERT(0 == irpInternal->ReferenceCount);
LWIO_ASSERT(STATUS_PENDING != pIrp->IoStatusBlock.Status);
switch (pIrp->Type)
{
case IRP_TYPE_CREATE:
case IRP_TYPE_CREATE_NAMED_PIPE:
IoSecurityDereferenceSecurityContext(&pIrp->Args.Create.SecurityContext);
RtlWC16StringFree(&pIrp->Args.Create.FileName.FileName);
break;
case IRP_TYPE_QUERY_DIRECTORY:
if (pIrp->Args.QueryDirectory.FileSpec)
{
LwRtlUnicodeStringFree(&pIrp->Args.QueryDirectory.FileSpec->Pattern);
IO_FREE(&pIrp->Args.QueryDirectory.FileSpec);
}
break;
default:
break;
}
// Note that the parent (FO) lock is already held
// by IopIrpDereference().
// Might not be in the list if IRP creation failed.
if (irpInternal->FileObjectLinks.Next)
{
LwListRemove(&irpInternal->FileObjectLinks);
}
IopFileObjectDereference(&pIrp->FileHandle);
IoMemoryFree(pIrp);
*ppIrp = NULL;
}
}
static NTSTATUS
FillFileIdFullDirInfoBuffer(
PVOID pBuffer,
DWORD dwBufLen,
PSTR pszParent,
PPVFS_DIRECTORY_ENTRY pEntry,
PDWORD pdwConsumed
)
{
NTSTATUS ntError = STATUS_UNSUCCESSFUL;
PFILE_ID_FULL_DIR_INFORMATION pFileInfo = (PFILE_ID_FULL_DIR_INFORMATION)pBuffer;
PWSTR pwszFilename = NULL;
PSTR pszFullPath = NULL;
DWORD dwNeeded = 0;
size_t W16FilenameLen = 0;
size_t W16FilenameLenBytes = 0;
/* Check for enough space for static members */
if (dwBufLen < sizeof(*pFileInfo))
{
ntError = STATUS_BUFFER_TOO_SMALL;
BAIL_ON_NT_STATUS(ntError);
}
/* Build the absolute path and stat() it */
ntError = RtlCStringAllocatePrintf(
&pszFullPath,
"%s/%s",
pszParent,
pEntry->pszFilename);
BAIL_ON_NT_STATUS(ntError);
ntError = PvfsSysStat(pszFullPath, &pEntry->Stat);
BAIL_ON_NT_STATUS(ntError);
ntError = RtlWC16StringAllocateFromCString(
&pwszFilename,
pEntry->pszFilename);
BAIL_ON_NT_STATUS(ntError);
ntError = FillFileIdFullDirInfoStatic(
pFileInfo,
pwszFilename,
&pEntry->Stat);
BAIL_ON_NT_STATUS(ntError);
/* We have more information here to fill in the
file attributes */
ntError = PvfsGetFilenameAttributes(
pszFullPath,
&pFileInfo->FileAttributes);
BAIL_ON_NT_STATUS(ntError);
/* Save what we have used so far */
*pdwConsumed = sizeof(*pFileInfo);
/* Calculate space */
W16FilenameLen = RtlWC16StringNumChars(pwszFilename);
W16FilenameLenBytes = W16FilenameLen * sizeof(WCHAR);
dwNeeded = sizeof(*pFileInfo) + W16FilenameLenBytes;
/* alignment on 8 byte boundary */
if (dwNeeded % 8) {
dwNeeded += 8 - (dwNeeded % 8);
}
if (dwNeeded > dwBufLen)
{
ntError = STATUS_BUFFER_TOO_SMALL;
BAIL_ON_NT_STATUS(ntError);
}
pFileInfo->FileNameLength = W16FilenameLenBytes;
memcpy(pFileInfo->FileName, pwszFilename, W16FilenameLenBytes);
*pdwConsumed = dwNeeded;
ntError = STATUS_SUCCESS;
cleanup:
RtlCStringFree(&pszFullPath);
RtlWC16StringFree(&pwszFilename);
return ntError;
error:
goto cleanup;
}
NTSTATUS
LsaOpenPolicy2(
IN LSA_BINDING hBinding,
IN PCWSTR pwszSysName,
IN PVOID attrib,
IN UINT32 AccessMask,
OUT POLICY_HANDLE *phPolicy
)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
WCHAR wszDefaultSysName[] = LSA_DEFAULT_SYSNAME;
PWSTR pwszSystemName = NULL;
POLICY_HANDLE hPolicy = NULL;
SECURITY_QUALITY_OF_SERVICE SecQos = {0};
ObjectAttribute ObjAttribute = {0};
BAIL_ON_INVALID_PTR(hBinding, ntStatus);
BAIL_ON_INVALID_PTR(phPolicy, ntStatus);
ntStatus = RtlWC16StringDuplicate(
&pwszSystemName,
(pwszSysName) ? pwszSysName : &(wszDefaultSysName[0]));
BAIL_ON_NT_STATUS(ntStatus);
/* ObjectAttribute argument is not used, so just
pass an empty structure */
SecQos.Length = 0;
SecQos.ImpersonationLevel = SecurityImpersonation;
SecQos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
SecQos.EffectiveOnly = 0;
ObjAttribute.len = 0;
ObjAttribute.root_dir = NULL;
ObjAttribute.object_name = NULL;
ObjAttribute.attributes = 0;
ObjAttribute.sec_desc = NULL;
// TODO-QOS field in object attributes should probaby be NULL.
ObjAttribute.sec_qos = &SecQos;
DCERPC_CALL(ntStatus, cli_LsaOpenPolicy2(
(handle_t)hBinding,
pwszSystemName,
&ObjAttribute,
AccessMask,
&hPolicy));
BAIL_ON_NT_STATUS(ntStatus);
*phPolicy = hPolicy;
cleanup:
RtlWC16StringFree(&pwszSystemName);
return ntStatus;
error:
if (phPolicy)
{
*phPolicy = NULL;
}
goto cleanup;
}
