Method Call

Kernel-Bridge/Kernel-Bridge/LoadableModules.cpp:100–145

    }

    NTSTATUS Call(PVOID hModule, ULONG CtlCode, OPTIONAL PVOID Argument = NULL) {
        if (!hModule) return STATUS_INVALID_PARAMETER;

        NTSTATUS Status = STATUS_NOT_FOUND;

        MODULE_INFO* TargetModule = NULL;

        Lock.Lock();
        if (Modules.IsEmpty()) {
            Lock.Unlock();
            return STATUS_NOT_FOUND;
        }

        for (auto& Module : Modules) {
            if (Module.hModule != hModule) continue;

            if (Module.Unloading) {
                Status = STATUS_NOT_FOUND;
                break;
            }

            if (!Module.OnDeviceControl) {
                Status = STATUS_NOT_IMPLEMENTED;
                break;
            }

            // Referencing module:
            if (Module.Refcount.Get() == 0)
                KeClearEvent(Module.CompletionEvent);
            Module.Refcount++;

            TargetModule = &Module;
            break;
        }
        Lock.Unlock();

        if (!TargetModule) return Status;

        Status = TargetModule->OnDeviceControl(CtlCode, Argument);

        TargetModule->Refcount--;
        if (TargetModule->Refcount.Get() == 0)
            KeSetEvent(TargetModule->CompletionEvent, LOW_REALTIME_PRIORITY, FALSE);

        return Status;
    }

    NTSTATUS Unload(PVOID hModule) {
        if (!hModule) return STATUS_INVALID_PARAMETER;