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#!/usr/bin/env python3
# SPDX-License-Identifier: AGPL-3.0-or-later
import collections
import glob
import itertools
import math
import os
import random
import re
import socket
import string
import struct
import subprocess
def ssh_test(host, user, password, commands=()):
import pexpect
from pexpect import pxssh
results = collections.defaultdict(str)
try:
s = pxssh.pxssh(encoding='utf-8', timeout=10)
s.login(host, user, password,
original_prompt='~[#$] ',
auto_prompt_reset=False)
results['ssh'] = True
results['motd'] = s.before
s.set_unique_prompt()
for test, command in commands:
s.sendline(command)
s.prompt()
if test:
results[test] = s.before[len(command+'\r\n'):].strip().replace('\r\n', '\n')
s.logout()
except pexpect.exceptions.EOF as e:
results['ssh'] = 'connection to {} as {}/{} failed (EOF)'.format(host, user, password)
except pexpect.exceptions.TIMEOUT as e:
results['ssh'] = 'connection to {} as {}/{} failed (timeout)'.format(host, user, password)
except Exception as e:
results['ssh'] = 'connection to {} as {}/{} failed ({})'.format(host, user, password, e)
return results
# omit i, l, o, I, O, 1, 0 for readability
uppers = 'ABCDEFGHJKLMNPQRSTUVWXYZ'
lowers = 'abcdefghjkmnpqrstuvwxyz'
digits = '23456789'
def alnum_gen(r, length=1, digit=True, lower=True, upper=True):
return ''.join(
r.choice(
(digits if digit else '') +
(lowers if lower else '') +
(uppers if upper else ''))
for i in range(length))
def fortune(r, max_len):
# ask fortune where it stores its cookies
paths = subprocess.run(['fortune', '-f'], stderr=subprocess.PIPE, text=True).stderr.splitlines()
fortune_dir = paths[0].split()[-1]
# make a list of all fortunes
all_fortunes = []
for fortune_file in glob.iglob(f'{fortune_dir}/*.u8'):
f = open(fortune_file)
l = f.read().split('\n%\n')[:-1]
for i in l:
if len(i) < max_len:
all_fortunes.append(i)
stripped = re.sub(r'\s+', ' ', r.choice(all_fortunes))
s = re.sub(r'[^\w?:;!./&%$=,]+', ' ', stripped)
return s.strip()
def _net_to_int(s):
try:
net, subnet = s.split('/')
except ValueError:
subnet = '32'
try:
subnet_int = int(subnet)
except ValueError:
subnet_bytes = struct.unpack('>I', socket.inet_aton(subnet))[0]
max_bit = 1 << 31
subnet_int = 0
while (subnet_bytes & max_bit) > 0:
subnet_int += 1
max_bit >>= 1
return struct.unpack('>I', socket.inet_aton(net))[0], subnet_int
def IPv4_subnet_gen(r, base_net, mask = 24):
base_addr, base_subnet = _net_to_int(base_net)
a = r.randint(1, 1 << mask - base_subnet) << (32 - mask)
if a >= 1<<32:
a = 0
net_addr = base_addr | a
return socket.inet_ntoa(struct.pack('>I', net_addr)) + '/{0}'.format(mask)
def IPv4_net_gen(r, min_hosts=254, local=True, multicast=False):
mask = 32 - int(math.ceil(math.log(min_hosts, 2)))
if local and not multicast:
net = r.choice([
"192.168.0.0/16",
'10.0.0.0/8',
'172.16.0.0/12'])
if multicast:
if local:
net = "239.255.0.0/16"
else:
net = "224.0.0.0/4"
return IPv4_subnet_gen(r, net, mask)
def IPv4_addr_gen(r, network, n_generated=1, reserve_top=1, reserve_bottom=1):
net, mask = _net_to_int(network)
hosts = []
l = r.sample(list(range(reserve_bottom,
2**(32 - mask)-reserve_top)), n_generated)
for i in l:
hosts.append(socket.inet_ntoa(struct.pack('>I', net | i)))
return hosts
def MAC_gen(r):
s = "0123456789ABCDEF"
return ":".join([r.choice(s) + r.choice("26AE")] + \
[r.choice(s) + r.choice(s) for i in range(5)])
common_file_extensions = ['jpg', 'png', 'txt', 'doc', 'cfg', 'pdf', 'odt', 'cpp', 'c', 'sh', 'java']
def fname_gen(r, extension=True):
s = alnum_gen(r, length=5, upper=False)
if extension:
s += '.' + r.choice(common_file_extensions)
return s
fdir = os.path.dirname(os.path.realpath(__file__))
with open(os.path.join(fdir, 'random_data/greek_gods.txt')) as f:
greek_gods = [i.strip() for i in f.readlines()]
with open(os.path.join(fdir, 'random_data/roman_gods.txt')) as f:
roman_gods = [i.strip() for i in f.readlines()]
with open(os.path.join(fdir, 'random_data/slavic_gods.txt')) as f:
slavic_gods = [i.strip() for i in f.readlines()]
gods = greek_gods + roman_gods + slavic_gods
def hostname_gen(r):
return "{0}-{1:02}".format(r.choice(gods), r.randint(1, 99))
with open(os.path.join(fdir, 'random_data/slovenian_names.txt')) as f:
names = [i.strip() for i in f.readlines()]
with open(os.path.join(fdir, 'random_data/slovenian_surnames.txt')) as f:
surnames = [i.strip() for i in f.readlines()]
def username_gen(r):
return ("{}{}{}".format(r.choice(names), r.choice(surnames), r.randint(1, 99))).lower()
def unknown_generator(r):
return ''
default_generators = {
'IP': lambda r: IPv4_addr_gen(r, IPv4_net_gen(r))[0],
'localnet': lambda r: IPv4_net_gen(r, min_hosts = r.randint(16, 250), local=True, multicast=False),
'filename': fname_gen,
'dirname': lambda r: fname_gen(r, extension = False),
'username': username_gen,
'password': lambda r: alnum_gen(r, 8),
'short_text': lambda r: fortune(r, 40),
'uint': lambda r: r.randint(0, 2**32),
'hostname': lambda r: hostname_gen(r),
None: lambda r: alnum_gen(r, 8),
'': unknown_generator,
}
def default_gen(userID, param_meta):
r = random.Random(userID)
params = dict()
for name, meta in param_meta.items():
if meta.get('generated', False):
params[name] = default_generators.get(
meta.get('type', None), unknown_generator)(r)
return params
if __name__ == '__main__':
r = random.Random()
for k, v in default_generators.items():
print("---{}---".format(k))
print(v(r))
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