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sys: IRP_MJ_QUERY_SECURITY

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This commit is contained in:
Bill Zissimopoulos
2016-02-18 15:54:52 -08:00
parent 3cfdfba64c
commit e7cef94507
6 changed files with 218 additions and 12 deletions
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33
src/sys/util.c
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@ -9,6 +9,10 @@
BOOLEAN FspUnicodePathIsValid(PUNICODE_STRING Path, BOOLEAN AllowStreams);
VOID FspUnicodePathSuffix(PUNICODE_STRING Path, PUNICODE_STRING Remain, PUNICODE_STRING Suffix);
NTSTATUS FspCreateGuid(GUID *Guid);
NTSTATUS FspCcSetFileSizes(PFILE_OBJECT FileObject, PCC_FILE_SIZES FileSizes);
NTSTATUS FspQuerySecurityDescriptorInfo(SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR SecurityDescriptor, PULONG PLength,
PSECURITY_DESCRIPTOR ObjectsSecurityDescriptor);
VOID FspInitializeSynchronousWorkItem(FSP_SYNCHRONOUS_WORK_ITEM *SynchronousWorkItem,
PWORKER_THREAD_ROUTINE Routine, PVOID Context);
VOID FspExecuteSynchronousWorkItem(FSP_SYNCHRONOUS_WORK_ITEM *SynchronousWorkItem);
@ -22,6 +26,8 @@ static KDEFERRED_ROUTINE FspQueueDelayedWorkItemDPC;
#pragma alloc_text(PAGE, FspUnicodePathIsValid)
#pragma alloc_text(PAGE, FspUnicodePathSuffix)
#pragma alloc_text(PAGE, FspCreateGuid)
#pragma alloc_text(PAGE, FspCcSetFileSizes)
#pragma alloc_text(PAGE, FspQuerySecurityDescriptorInfo)
#pragma alloc_text(PAGE, FspInitializeSynchronousWorkItem)
#pragma alloc_text(PAGE, FspExecuteSynchronousWorkItem)
#pragma alloc_text(PAGE, FspExecuteSynchronousWorkItemRoutine)
@ -41,6 +47,8 @@ static const LONG Delays[] =
PVOID FspAllocMustSucceed(SIZE_T Size)
{
// !PAGED_CODE();
PVOID Result;
LARGE_INTEGER Delay;
@ -57,6 +65,8 @@ PVOID FspAllocMustSucceed(SIZE_T Size)
PVOID FspAllocateIrpMustSucceed(CCHAR StackSize)
{
// !PAGED_CODE();
PIRP Result;
LARGE_INTEGER Delay;
@ -145,6 +155,8 @@ NTSTATUS FspCreateGuid(GUID *Guid)
NTSTATUS FspCcSetFileSizes(PFILE_OBJECT FileObject, PCC_FILE_SIZES FileSizes)
{
PAGED_CODE();
try
{
CcSetFileSizes(FileObject, FileSizes);
@ -156,6 +168,27 @@ NTSTATUS FspCcSetFileSizes(PFILE_OBJECT FileObject, PCC_FILE_SIZES FileSizes)
}
}
NTSTATUS FspQuerySecurityDescriptorInfo(SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR SecurityDescriptor, PULONG PLength,
PSECURITY_DESCRIPTOR ObjectsSecurityDescriptor)
{
PAGED_CODE();
NTSTATUS Result;
try
{
Result = SeQuerySecurityDescriptorInfo(&SecurityInformation,
SecurityDescriptor, PLength, &ObjectsSecurityDescriptor);
}
except (EXCEPTION_EXECUTE_HANDLER)
{
Result = STATUS_INVALID_USER_BUFFER;
}
return STATUS_BUFFER_TOO_SMALL == Result ? STATUS_BUFFER_OVERFLOW : Result;
}
VOID FspInitializeSynchronousWorkItem(FSP_SYNCHRONOUS_WORK_ITEM *SynchronousWorkItem,
PWORKER_THREAD_ROUTINE Routine, PVOID Context)
{