1  # Copyright (c) 2024 Anoduck
 2  # 
 3  # This software is released under the MIT License.
 4  # https://opensource.org/licenses/MIT
 5  import struct
 6  from scapy.arch import str2mac, get_if_raw_hwaddr
 7  
 8  
 9  class Utils:
10  
11      def __init__(self, log) -> None:
12          self.log = log
13  
14      def hex_offset_to_string(self, byte_array):
15          temp = byte_array.replace("\n", "")
16          temp = temp.replace(" ", "")
17          return temp.decode("hex")
18  
19      def get_frequency(self, channel):
20          if channel == 14:
21              freq = 2484
22          else:
23              freq = 2407 + (channel * 5)
24  
25          freq_string = struct.pack("<h", freq)
26  
27          return freq_string
28  
29      def mac_to_bytes(self, mac):
30          return ''.join(chr(int(x, 16)) for x in mac.split(':'))
31  
32      def bytes_to_mac(self, byte_array):
33          return ':'.join("{:02x}".format(ord(byte)) for byte in byte_array)
34  
35      # Scapy sees mon0 interface as invalid address family, so we write our own
36      def if_hwaddr(self, iff):
37          return str2mac(get_if_raw_hwaddr(iff)[1])