노트북은 AP(액세스 포인트)를 시뮬레이션합니다.

AP를 시뮬레이션하기 위해 Ubuntu(버전 18.04) 시스템이 설치된 노트북을 사용합니다. 아래는 내 Python 코드입니다. hostapd.conf파일과 dnsmasq.confnew파일은 Python 파일과 동일한 디렉터리에 있습니다.

• 휴대폰이나 컴퓨터는 AP를 검색하여 연결할 수 있습니다.
• 모바일 단말은 AP의 SSID를 스캔할 수 없고 AP에 연결할 수 없습니다.

이 문제를 해결하는 방법을 알고 싶습니다.

import subprocess
import time
import textwrap
from scapy.all import *


def create_hostapd_conf(interface, ssid, password):
    # Create hostapd.conf content
    hostapd_content = textwrap.dedent(f"""
    interface={interface}
    driver=nl80211
    ssid={ssid}
    hw_mode=g
    channel=8
    ieee80211n=1
    wpa=2
    wpa_passphrase={password}
    wpa_key_mgmt=WPA-PSK
    wpa_pairwise=CCMP
    rsn_pairwise=CCMP
    """).strip()
    # Write content to hostapd.conf file
    with open("hostapd.conf", "w") as hostapd_file:
        hostapd_file.write(hostapd_content)

        
def create_dnsmasq_conf(interface):
    # Create dnsmasq.conf content
    dnsmasq_content = textwrap.dedent(f"""
    interface={interface}
    dhcp-range=192.168.1.3,192.168.1.20,255.255.255.0,24h
    address=/#/192.168.1.2
    port=5353
    """).strip()
    # Write content to dnsmasq.conf file
    with open("dnsmasq.confnew", "w") as dnsmasq_file:
        dnsmasq_file.write(dnsmasq_content)

def start_ap(interface, ssid, password):
    # Configure hostapd
    subprocess.run(["sudo", "service", "network-manager", "stop"])
    subprocess.run(["sudo", "ifconfig", interface, "down"])
    subprocess.run(["sudo", "iw", "dev", interface, "set", "type", "__ap"])
    subprocess.run(["sudo", "ifconfig", interface, "up"])
    
    # Configure static ip
    subprocess.run(["sudo","ifconfig", "wlp3s0", "192.168.1.2", "netmask", "255.255.255.0"])

    # Start hostapd
    print("AAAAAAAAA")
    #subprocess.run(["sudo","airmon-ng", "check"])
    subprocess.run(["sudo","killall", "wpa_supplicant"])
    subprocess.run(["sudo", "service", "hostapd", "-B", "/home/celimuge/python-code/hostapd.conf"])
    time.sleep(2)
    #subprocess.run(["sudo","service", "hostapd", "start"])
    
    # Configure dnsmasq
    print("BBBBBBB")
    subprocess.run(["sudo", "dnsmasq", "-C", "/home/celimuge/python-code/dnsmasq.confnew"])
    
def stop_ap():
    # Stop hostapd and dnsmasq
    subprocess.run(["sudo", "service", "hostapd", "stop"])
    subprocess.run(["sudo", "service", "dnsmasq", "stop"])
    subprocess.run(["sudo", "killall", "dnsmasq"])
    subprocess.run(["sudo", "service", "network-manager", "start"])
    
def send_beacon_frame(interface, ssid):
    # Create a beacon frame
    beacon_frame = Dot11(type=0, subtype=8, addr1="ff:ff:ff:ff:ff:ff", addr2=get_if_hwaddr(interface), addr3=get_if_hwaddr(interface)) / Dot11Beacon(cap="ESS") / Dot11Elt(ID="SSID", info=ssid)

    # Send the beacon frame
    sendp(beacon_frame, iface=interface, inter=0.1, loop=1)


if __name__ == "__main__":
    interface = "wlp3s0"  # replace with your wireless interface
    ssid = "ap"
    password = "12345678"

    create_hostapd_conf(interface, ssid, password)
    create_dnsmasq_conf(interface)
    
    try:
        start_ap(interface, ssid, password)
        #send_beacon_frame(interface, ssid)
        print("CCCCCCCCC")
        time.sleep(150)  # Allow time for beacon frames to be sent
        print("\nStopping Access Point.")
        stop_ap()
    except KeyboardInterrupt:
        print("\nStopping Access Point.")
        stop_ap()