#!/usr/bin/env python3 """ Algo Netgear LBR20 Copyright (c) 2021-2024 B. Kerler Blowfish algo (c) https://github.com/jashandeep-sohi/python-blowfish """ from hashlib import md5, sha256 import array import socket import sys from binascii import hexlify from struct import Struct, error as struct_error from itertools import cycle as iter_cycle from sys import platform as _platform import re, os import subprocess def get_arp_table_darwin(): """ Parse the host's ARP table on an OSX machine :return: Machine readable ARP table (by running the "arp -a -n" command) :rtype: dict {'ip_address': 'mac_address'} """ arp_data_re = re.compile( r'^\S+ $(?P[^$]+)\) at (?P(?:[0-9a-f]{1,2}:){5}(?:[0-9a-f]{1,2})) on (?P\S+) ifscope (permanent )?\[(?P\S+)\]$') arp_data_raw = subprocess.check_output( ['arp', '-a', '-n']).decode('utf-8').split("\n")[:-1] parsed_arp_table = (arp_data_re.match(i).groupdict() for i in arp_data_raw) return {d['ip_address']: d['hw_address'] for d in parsed_arp_table} def get_arp_table_linux(): """ Parse the host's ARP table on a Linux machine :return: Machine readable ARP table (see the Linux Kernel documentation on /proc/net/arp for more information) :rtype: dict {'ip_address': 'mac_address'} """ with open('/proc/net/arp') as proc_net_arp: arp_data_raw = proc_net_arp.read(-1).split("\n")[1:-1] parsed_arp_table = (dict(zip(('ip_address', 'type', 'flags', 'hw_address', 'mask', 'device'), v)) for v in (re.split(r'\s+', i) for i in arp_data_raw)) return {d['ip_address']: d['hw_address'] for d in parsed_arp_table} def get_arp_table(): """ Parse the host's ARP table :return: Machine readable ARP table (see the Linux Kernel documentation on /proc/net/arp for more information) :rtype: dict {'ip_address': 'mac_address'} """ if sys.platform in ('linux', 'linux2'): return get_arp_table_linux() elif sys.platform == 'darwin': return get_arp_table_darwin() else: raise Exception("Unable to fetch ARP table on %s" % (sys.platform,)) def get_mac_address(ip): """ Get MAC address for a given IP address by looking it up in the host's ARP table :param ip: IP address to look up :type ip: str :return: MAC address :rtype: str """ arp_table = get_arp_table() if not ip in arp_table: return None else: return arp_table[ip] class Blowfish(): # 1 x 18 PI_P_ARRAY = ( 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b, ) # 4 x 256 PI_S_BOXES = ( ( 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a, ), ( 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1, 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7, 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87, 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509, 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf, 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281, 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0, 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061, 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7, ), ( 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068, 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb, 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc, 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728, 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b, 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61, 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633, 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62, 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c, 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0, ), ( 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe, 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22, 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd, 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32, 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47, 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd, 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a, 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9, 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6, ), ) def __init__( self, key, byte_order="big", P_array=PI_P_ARRAY, S_boxes=PI_S_BOXES ): if not len(P_array) or len(P_array) % 2 != 0: raise ValueError("P array is not an even length sequence") if len(S_boxes) != 4 or any(len(box) != 256 for box in S_boxes): raise ValueError("S-boxes is not a 4 x 256 sequence") if byte_order == "big": byte_order_fmt = ">" elif byte_order == "little": byte_order_fmt = "<" else: raise ValueError("byte order must either be 'big' or 'little'") self.byte_order = byte_order # Create structs u4_2_struct = Struct("{}2I".format(byte_order_fmt)) u4_1_struct = Struct(">I".format(byte_order_fmt)) u8_1_struct = Struct("{}Q".format(byte_order_fmt)) u1_4_struct = Struct("=4B") # Save refs locally to the needed pack/unpack funcs of the structs to speed # up look-ups a little. self._u4_2_pack = u4_2_struct.pack self._u4_2_unpack = u4_2_struct.unpack self._u4_2_iter_unpack = u4_2_struct.iter_unpack self._u4_1_pack = u4_1_pack = u4_1_struct.pack self._u1_4_unpack = u1_4_unpack = u1_4_struct.unpack self._u8_1_pack = u8_1_struct.pack # Cyclic key iterator cyclic_key_iter = iter_cycle(iter(key)) # Cyclic 32-bit integer iterator over key bytes cyclic_key_u4_iter = ( x for (x,) in map( u4_1_struct.unpack, map( bytes, zip( cyclic_key_iter, cyclic_key_iter, cyclic_key_iter, cyclic_key_iter ) ) ) ) # Create and initialize subkey P array and S-boxes # XOR each element in P_array with key and save as pairs. P = [ (p1 ^ k1, p2 ^ k2) for p1, p2, k1, k2 in zip( P_array[0::2], P_array[1::2], cyclic_key_u4_iter, cyclic_key_u4_iter ) ] S1, S2, S3, S4 = S = [[x for x in box] for box in S_boxes] encrypt = self._encrypt L = 0x00000000 R = 0x00000000 for i in range(len(P)): P[i] = L, R = encrypt(L, R, P, S1, S2, S3, S4, u4_1_pack, u1_4_unpack) # Save P as a tuple since working with tuples is slightly faster self.P = P = tuple(P) for box in S: for i in range(0, 256, 2): L, R = encrypt(L, R, P, S1, S2, S3, S4, u4_1_pack, u1_4_unpack) box[i] = L box[i + 1] = R # Save S self.S = tuple(tuple(box) for box in S) @staticmethod def _encrypt(L, R, P, S1, S2, S3, S4, u4_1_pack, u1_4_unpack): for p1, p2 in P[:-1]: L ^= p1 a, b, c, d = u1_4_unpack(u4_1_pack(L)) R ^= (S1[a] + S2[b] ^ S3[c]) + S4[d] & 0xffffffff R ^= p2 a, b, c, d = u1_4_unpack(u4_1_pack(R)) L ^= (S1[a] + S2[b] ^ S3[c]) + S4[d] & 0xffffffff p_penultimate, p_last = P[-1] return R ^ p_last, L ^ p_penultimate @staticmethod def _decrypt(L, R, P, S1, S2, S3, S4, u4_1_pack, u1_4_unpack): for p2, p1 in P[:0:-1]: L ^= p1 a, b, c, d = u1_4_unpack(u4_1_pack(L)) R ^= (S1[a] + S2[b] ^ S3[c]) + S4[d] & 0xffffffff R ^= p2 a, b, c, d = u1_4_unpack(u4_1_pack(R)) L ^= (S1[a] + S2[b] ^ S3[c]) + S4[d] & 0xffffffff p_first, p_second = P[0] return R ^ p_first, L ^ p_second def encrypt_ecb(self, data): """ Return an iterator that encrypts `data` using the Electronic Codebook (ECB) mode of operation. ECB mode can only operate on `data` that is a multiple of the block-size in length. Each iteration returns a block-sized :obj:`bytes` object (i.e. 8 bytes) containing the encrypted bytes of the corresponding block in `data`. `data` should be a :obj:`bytes`-like object that is a multiple of the block-size in length (i.e. 8, 16, 32, etc.). If it is not, a :exc:`ValueError` exception is raised. """ S1, S2, S3, S4 = self.S P = self.P u4_1_pack = self._u4_1_pack u1_4_unpack = self._u1_4_unpack encrypt = self._encrypt u4_2_pack = self._u4_2_pack try: LR_iter = self._u4_2_iter_unpack(data) except struct_error: raise ValueError("data is not a multiple of the block-size in length") for plain_L, plain_R in LR_iter: yield u4_2_pack( *encrypt(plain_L, plain_R, P, S1, S2, S3, S4, u4_1_pack, u1_4_unpack) ) def decrypt_ecb(self, data): """ Return an iterator that decrypts `data` using the Electronic Codebook (ECB) mode of operation. ECB mode can only operate on `data` that is a multiple of the block-size in length. Each iteration returns a block-sized :obj:`bytes` object (i.e. 8 bytes) containing the decrypted bytes of the corresponding block in `data`. `data` should be a :obj:`bytes`-like object that is a multiple of the block-size in length (i.e. 8, 16, 32, etc.). If it is not, a :exc:`ValueError` exception is raised. """ S1, S2, S3, S4 = self.S P = self.P u4_1_pack = self._u4_1_pack u1_4_unpack = self._u1_4_unpack decrypt = self._decrypt u4_2_pack = self._u4_2_pack try: LR_iter = self._u4_2_iter_unpack(data) except struct_error: raise ValueError("data is not a multiple of the block-size in length") for cipher_L, cipher_R in LR_iter: yield u4_2_pack( *decrypt(cipher_L, cipher_R, P, S1, S2, S3, S4, u4_1_pack, u1_4_unpack) ) # The version of Blowfish supplied for the telenetenable.c implementation # assumes Big-Endian data, but the code does nothing to convert the # little-endian stuff it's getting on intel to Big-Endian # # So, since Crypto.Cipher.Blowfish seems to assume native endianness, we need # to byteswap our buffer before and after encrypting it # # This helper does the byteswapping on the string buffer def ByteSwap(data): a = array.array('i') if a.itemsize < 4: a = array.array('L') if a.itemsize != 4: print('Need a type that is 4 bytes on your platform so we can fix ' 'the data!') sys.exit(1) a.frombytes(data) a.byteswap() return a.tobytes() def genhash(mac, username, password='', mode=1): # eventually reformat mac mac = mac.replace(':', '').upper() # Pad the input correctly assert (len(mac) < 0x10) just_mac = mac.encode('utf8').ljust(0x10, b'\x00') assert (len(username) <= 0x10) just_username = username.encode('utf8').ljust(0x10, b'\x00') assert (len(password) <= 0x40) hashed_pw = password.encode('utf-8').ljust(0x50, b'\x00') cleartext = (just_mac + just_username + hashed_pw).ljust(0x70, b'\x00') # print(hexlify(cleartext).decode('utf-8')) md5_key = md5(cleartext[:0x70]).digest() # print("MD5:"+hexlify(md5_key).decode('utf-8')) if mode == 3: md5_key = md5_key[4:4 + (4 * 4)] + b"\x00" * 4 payload = (md5_key + cleartext[:0x70]).ljust(0xF8, b'\x00') #print("Payload: " + hexlify(payload).decode('utf-8')) if mode == 2: secret_key = ('AMBIT_TELNET_ENABLE+' + sha256(bytes(password, 'utf-8')).hexdigest().lower()).encode('utf8').ljust(0x100, b'\x00') else: secret_key = ('AMBIT_TELNET_ENABLE+' + password).encode('utf8') cipher = Blowfish(secret_key, byte_order="little") rdata = b"".join(cipher.encrypt_ecb(payload)) # print(hexlify(rdata).decode('utf-8')) return rdata def hashtest(mac, username, password, payload, mode=1): if mode in [2,5]: spassword = sha256(bytes(password, 'utf-8')).hexdigest().lower() elif mode in [1, 3]: spassword = password elif mode == 4: spassword = sha256(bytes(password, 'utf-8')).hexdigest().upper() if mode == 4: secret_key = ('AMBIT_TELNET_ENABLE+' + spassword)[:0x100] else: secret_key = ('AMBIT_TELNET_ENABLE+' + spassword)[:0x80] cipher = Blowfish(secret_key.encode('utf8'), byte_order="little") rdata = b"".join(cipher.decrypt_ecb(payload)) md5_key = md5(rdata[0x10:][:0x70]).digest() if mode == 3: md5_key = md5_key[4:4 + (4 * 4)] + b"\x00" * 4 if rdata[:0x10] != md5_key: print("Error md5") if mac != rdata[0x10:0x10 + (6 * 2)].decode('utf-8'): print("Error mac") rusername = rdata[0x20:0x30].rstrip(b"\x00").decode('utf-8') if username != rusername[:len(username)]: print("Error username") if mode >= 4: spwd = rdata[0x30:0xB8].rstrip(b"\x00").decode('utf-8') if spassword != spwd: print("Error pw digest") else: pwd = rdata[0x30:0x50].rstrip(b"\x00").decode('utf-8') if password != pwd: print("Error pw digest") def sendtelnet(ip, data): port = 23 for result in socket.getaddrinfo(ip, port, socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_IP): af, socktype, proto, canonname, cres = result try: conn = socket.socket(af, socktype, proto) except socket.error: conn = None continue try: conn.settimeout(5) conn.connect(cres) except socket.error: conn.close() conn = None continue break if conn is None: print(f"Can't connect to {ip}:{port}") sys.exit(0) else: conn.send(data) try: retval = conn.recvfrom(1024) conn.close() if b"ACK" in retval: return True except: conn.close() return False return False def selftest(): #key = bytes.fromhex("414d4249545f54454c4e45545f454e41424c452b61376339306432613964306162643832666239326163376137313234636333623764333337316630626136643862613364643566643566396234393962363066") #data = bytes.fromhex("50b10894c9f109e6d77381a9048985444338394534333439373341360000000061646d696e00000000000000000000006137633930643261396430616264383266623932616337613731323463633362376433333731663062613664386261336464356664356639623439396236306600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000") #cipher = Blowfish(key, byte_order="little") #rdata = b"".join(cipher.encrypt_ecb(data)) #print(rdata.hex()) mac = 'C89E434973A6' password = 'Excitedstreet320' username = 'admin' digest = genhash(mac,username,password,mode=1) hashtest(mac, username, password, digest, mode=1) # RBR760 digest = genhash(mac, username, password, mode=3) hashtest(mac, username, password, digest, mode=3) # NBR750 digest = genhash(mac, username, password, mode=2) hashtest(mac, username, password, digest, mode=2) # RAX10/RAX50 digest = genhash(mac, username, sha256(bytes(password, 'utf-8')).hexdigest().upper(), mode=4) hashtest(mac, username, password, digest, mode=4) digest = genhash(mac, username, sha256(bytes(password, 'utf-8')).hexdigest().lower(), mode=5) hashtest(mac, username, password, digest, mode=5) def main(): selftest() args = sys.argv[1:] print("Netgear Telnet enabler V3.1 (c) B.Kerler 2021-2023") ip = b'' mac = b'' username = b'' password = b'' if len(args) > 2: ip = args[0] mac = args[1] # lan_hwaddr username = args[2] # "admin" / http_username if len(args) == 4: password = args[3] # http_passwd / http_passwd_hashed / /tmp/cache/telnetenable/httpwd # limited to length 0x7F (RBR760), (http_passwd_digest for blowfishkey) # Check if arguments have been pass in the wrong order, and/or if argument specifiers have been used for arg in args: if re.match("[0-9A-Fa-f]{2}([-:]?)[0-9A-Fa-f]{2}(\\1[0-9A-Fa-f]{2}){4}$", arg): mac = arg elif re.match( "\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b", arg): ip = arg elif re.match("(?i)mac:", arg): # Allow argument with target specifier (MAC:my mac address) mac = arg[4:] elif re.match("(?i)ip:", arg): # (IP:myIP_address) ip = arg[3:] elif re.match("(?i)pw:", arg): # (PW:mypassword) password = arg[3:] elif re.match("(?i)P:", arg): # (P:mypassword) password = arg[2:] elif re.match("(?i)U:", arg): # (U:myusername) username = arg[2:] elif len(args) == 1: # If only 1 arg passed, and it's not IP or MAC, assume it's the password password = arg if not mac: # Try to programmatically determined MAC look_for_ip = ip if not ip: look_for_ip = "192.168.1.1" # test if default IP is in arp, and if so, set ip to default ip if _platform == "win32" or _platform == "win64": with os.popen('arp -a') as f: data = f.read() for line in re.findall(r'([-.0-9]+)\s+([-0-9a-f]{17})\s+(\w+)', data): if line[0] == look_for_ip: mac = line[1] ip = look_for_ip break else: arp_table = get_arp_table() if ip in arp_table: mac = arp_table[look_for_ip] ip = look_for_ip # With the above code, user can just enter the password by itself and it will work if router has default configuration # Example Usage: # ./telnet-enable2.py mypassword # ./telnet-enable2.py P:mypassword # ### If router has non-standard configuration, additional arguments can be used # ./telnet-enable2.py P:mypassword 10.80.80.1 # ./telnet-enable2.py 10.80.80.1 P:mypassword # ./telnet-enable2.py 10.80.80.1 U:USERNAME P:mypassword # ./telnet-enable2.py a4-6b-b6-dd-2e-a8 10.80.80.1 P:mypassword # ./telnet-enable2.py 10.80.80.1 a4-6b-b6-dd-2e-a8 P:mypassword # ./telnet-enable2.py P:mypassword a4-6b-b6-dd-2e-a8 10.80.80.1 if not mac or not re.match("[0-9A-Fa-f]{2}([-:]?)[0-9A-Fa-f]{2}(\\1[0-9A-Fa-f]{2}){4}", mac) or not ip or not re.match( "\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b", ip): print("Error: Argument error(s)!!!") if not ip: ip = '10.0.0.1' print("Error: Missing IP address.\n\tExample IP addresses:\t\t192.168.1.1\n\t\t\t\t\t10.80.80.1") elif not re.match( "\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b", ip): print( "Error: '" + ip + "' is not a valid IP address.\n\tExample IP addresses:\t\t192.168.1.1\n\t\t\t\t\t10.80.80.1") ip = '' if not mac: mac = 'D4-3F-CB-E9-29-14' print("Warn: Missing MAC address.\n\tExample MAC's:\t\t\tA4-6B-B6-DD-2E-A8\n\t\t\t\t\ta4-6b-b6-dd-2e-a8") elif not re.match("[0-9A-Fa-f]{2}([-:]?)[0-9A-Fa-f]{2}(\\1[0-9A-Fa-f]{2}){4}", mac): print( "Error: '" + mac + "' is not a valid MAC address.\n\tExample MAC's:\t\t\tA4-6B-B6-DD-2E-A8\n\t\t\t\t\ta4-6b-b6-dd-2e-a8") mac = '' if not username: username = 'admin' print("Warn: Missing user name.\n\tExample users name:\t\tadmin\n\t\t\t\t\tdavid") if not password: password = "[]" print('Usage: \t./telnet-enable2.py []') # Give an example that includes as much user provided details or info that has been programmatically determined print('Example:\t./telnet-enable2.py ' + ip + ' ' + mac + ' ' + username + ' ' + password) sys.exit(1) if not username and len(password) > 0: username = "admin" # Most devices only allows 'admin' as the username mac = mac.replace(":", "").replace("-", "").upper() for pw in [ password, sha256(bytes(password, 'utf-8')).hexdigest().lower(), sha256(bytes(password, 'utf-8')).hexdigest().upper() ]: for mode in [1,2,3]: for hlen in [0xB0,0xF8]: hash = genhash(mac, username, pw, mode=mode)[:hlen] if sendtelnet(ip, hash): print(f"Done sending pw data {pw} to {ip}:23") """ strlcpy: src(0x402ce0),dst(0x402dec),towrite(bytearray(b'C89E434973A6\x00')) strlcpy: src(0x380c),dst(0x402dfc),towrite(bytearray(b'admin\x00')) strlcpy: src(0x402d5c),dst(0x402e0c),towrite(bytearray(b'a7c90d2a9d0abd82fb92ac7a7124cc3b7d3371f0ba6d8ba3dd5fd5f9b499b60f\x00')) Read Hook Ptr at PC: 0x2650, md5_update(data) Len:0x70 = 4338394534333439373341360000000061646d696e00000000000000000000006137633930643261396430616264383266623932616337613731323463633362376433333731663062613664386261336464356664356639623439396236306600000000000000000000000000000000 memmove dst(0x402d1c) src(0x402dec) len(0x40) => data(4338394534333439373341360000000061646d696e00000000000000000000006137633930643261396430616264383266623932616337613731323463633362) memmove dst(0x402d1c) src(0x402e2c) len(0x30) => data(376433333731663062613664386261336464356664356639623439396236306600000000000000000000000000000000) memset at 0x402d4d char 00 len 0x7 memmove dst(0x402cf0) src(0x402d04) len(0x10) => data(50b10894c9f109e6d77381a904898544) Read Hook Ptr at PC: 0x2664, md5_final(hash) Len:0x10 = 50b10894c9f109e6d77381a904898544 snprintf: Dst(0x402ed4), Src(0x402ed4), Data("AMBIT_TELNET_ENABLE+a7c90d2a9d0abd82fb92ac7a7124cc3b7d3371f0ba6d8ba3dd5fd5f9b499b60f") Read Hook Ptr at PC: 0x268c, blowfish_key Len:0x54 = 414d4249545f54454c4e45545f454e41424c452b61376339306432613964306162643832666239326163376137313234636333623764333337316630626136643862613364643566643566396234393962363066 Read Hook Ptr at PC: 0x26a4, blowfish_data Len:0xf8 = 50b10894c9f109e6d77381a9048985444338394534333439373341360000000061646d696e00000000000000000000006137633930643261396430616264383266623932616337613731323463633362376433333731663062613664386261336464356664356639623439396236306600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Result: 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 """ if __name__ == '__main__': main()