forbid.h

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#ifndef FORBID_H
#define FORBID_H
 
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/namei.h>
#include <linux/ptrace.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/uaccess.h>
 
#include "config.h"
 
struct forbidden_file {
    char *path;
    struct list_head list;
};
 
extern struct list_head forbidden_files_list;
extern spinlock_t forbidden_files_lock;
 
int add_forbidden_file(const char *path);
int remove_forbidden_file(const char *path);
int list_forbidden_files(char *buf, size_t buf_size);
 
bool path_is_forbidden(const char __user *u_path);
 
extern asmlinkage long (*__orig_openat)(const struct pt_regs *);
extern asmlinkage long (*__orig_newfstatat)(const struct pt_regs *);
extern asmlinkage long (*__orig_fstat)(const struct pt_regs *);
extern asmlinkage long (*__orig_lstat)(const struct pt_regs *);
extern asmlinkage long (*__orig_stat)(const struct pt_regs *);
extern asmlinkage long (*__orig_chdir)(const struct pt_regs *regs);
extern asmlinkage long (*__orig_ptrace)(const struct pt_regs *regs);
 
asmlinkage long notrace openat_hook(const struct pt_regs *regs);
asmlinkage long notrace stat_hook(const struct pt_regs *regs);
asmlinkage long notrace chdir_hook(const struct pt_regs *regs);
asmlinkage void notrace ptrace_hook(struct pt_regs *regs);
 
#endif // FORBID_H