zodiacon
KTL Issues. CH 12 PG 424-426
Pavel,
I am reaching out to you because I am getting an error with the following code:
Main.cpp #include "pch.h" #include "DriverMain.h" #include "MiniFilter.h"
NTSTATUS OnCreateClose(PDEVICE_OBJECT, PIRP Irp); void UnloadFunc(PDRIVER_OBJECT DriverObject); NTSTATUS InitMiniFilter(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
extern "C" NTSTATUS DriverEntry(In PDRIVER_OBJECT DriverObject, In PUNICODE_STRING) { ****g_State = new (PoolType::NonPaged, DRIVER_TAG) FilterState; <- issue here
MiniFilter.h #pragma once #include <D:\Training\windowskernelprogrammingbook2e\ktl\ktl\ktl.h>
struct FilterState { FilterState(); ~FilterState();
PFLT_FILTER filter;
*********Vector<WString<PoolType::NonPaged>, PoolType::NonPaged> Files;** <- issue here
ExecutiveResource Lock;
PDRIVER_OBJECT DriverObject;
};
It appears that the overloading functions are generating errors that I am giving the functions the wrong inputs when I try to use them: For WString it's saying I am giving it too few arguments.
For new it says no instance of overloaded function matches the argument list unsigned long long, PoolType.
I was able to overcome these issues by calling functions like so: Vector<WString<PoolType::NonPaged, DRIVER_TAG>, PoolType::NonPaged, DRIVER_TAG> Files; g_State = new (PoolType::NonPaged, DRIVER_TAG) FilterState;
However, now when i try to follow along with the book I have a new problem entirely!
in MiniFilter.h UNICODE_STRING path; auto status = FLT_PREOP_SUCCESS_WITH_CALLBACK; { SharedLocker<ExecutiveResource> locker(g_State->Lock); for (auto& name : g_State->Files) { *******name.GetUnicodeString(path); <- issue here } }
no instance of overloaded function "BasicString<T, Pool, Tag>::GetUnicodeString [with T=wchar_t, Pool=PoolType::NonPaged, Tag=69UL]" matches the argument list and object (the object has type qualifiers that prevent a match) DirectoryHider DriverProjects\DirectoryHider\DirectoryHider\MiniFilter.cpp
Indeed, the correct way to work is to add your Tag as part of the field. I'll check why GetUnicodeString fails to compile. I did some improvements to KTL that I may have not pushed yet.
