//
//  disableAttach.h
//  MCPlus
//
//  Created by seo ha on 18/02/2019.
//  Copyright © 2019 KangSH. All rights reserved.
//
#ifndef disableAttach_h
#define disableAttach_h
#import <sys/mman.h>
#import <dlfcn.h>

typedef int (*command_ptr_t)(int _request, pid_t _pid, caddr_t _addr, int _data);

#if !defined(PT_DENY_ATTACH)
#define PT_DENY_ATTACH 31
#endif

/**
 디버그 메소드 swift 에서 사용시 buildsetting - swift otherflag에 "-DDEBUG"값을 입력후
 전처리문을 통해 입력
 ex)
     #if DEBUG
 
     #else
     //안티디버거
     disable_attach()
     #endif
 */
//Anti-debug method
void disable_attach() {
    void* handle = dlopen(0, RTLD_GLOBAL | RTLD_NOW);
    command_ptr_t command_ptr = dlsym(handle, "ptrace");
    command_ptr(PT_DENY_ATTACH, 0, 0, 0);
    dlclose(handle);
}



#endif /* disableAttach_h */