From be32ceb69271797a38b24d07930ac9afcd0c729f Mon Sep 17 00:00:00 2001 From: "gasperfele@fri1.uni-lj.si" Date: Mon, 20 Oct 2014 08:42:08 +0000 Subject: Initial commit git-svn-id: https://svn.lusy.fri.uni-lj.si/kpov-public-svn/kpov-public@1 5cf9fbd1-b2bc-434c-b4b7-e852f4f63414 --- kpov_judge/kpov_random_helpers.py | 127 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100755 kpov_judge/kpov_random_helpers.py (limited to 'kpov_judge/kpov_random_helpers.py') diff --git a/kpov_judge/kpov_random_helpers.py b/kpov_judge/kpov_random_helpers.py new file mode 100755 index 0000000..775bd69 --- /dev/null +++ b/kpov_judge/kpov_random_helpers.py @@ -0,0 +1,127 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +import random +import string +import socket +import struct +import math +import re +import subprocess +import glob + +def alnum_gen(r, l=1): + s = u"" + for i in xrange(l): + s += random.choice(string.ascii_letters + string.digits) + return s + +def fortune(r, max_len): + all_fortunes = [] + for fortune_file in glob.glob('/usr/share/games/fortunes/*.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) + return re.sub(r'\s+', ' ', r.choice(all_fortunes)).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 = "239.0.0.0/8" + else: + net = "224.0.0.0/4" + return IPv4_subnet_gen(r, net, mask) + +def IPv4_addr_gen(r, network, n_generated=1): + net, mask = _net_to_int(network) + hosts = [] + l = random.sample(xrange(1, 2**(32 - mask)-1), n_generated) + for i in l: + hosts.append(socket.inet_ntoa(struct.pack('>I', net | i))) + return hosts + +common_file_extensions = ['jpg', 'png', 'txt', 'doc', 'cfg', 'pdf', 'odt', 'cpp', 'c', 'sh', 'java'] +def fname_gen(r, extension = True): + s = alnum_gen(r, 8) + if extension: + s += '.' + r.choice(common_file_extensions) + return s + +with open('random_data/greek_gods.txt') as f: + greek_gods = [i.strip() for i in f.readlines()] +with open('random_data/roman_gods.txt') as f: + roman_gods = [i.strip() for i in f.readlines()] +with open('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('random_data/slovenian_names.txt') as f: + names = [i.strip() for i in f.readlines()] + +with open('random_data/slovenian_surnames.txt') as f: + surnames = [i.strip() for i in f.readlines()] + +def username_gen(r): + return r.choice(names) + r.choice(surnames) + "{0}".format(r.randint(1, 99)) + +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), + 'hostname': lambda r: hostname_gen(r), + None: lambda r: alnum_gen(r, 8), +} + +def default_gen(userID, param_meta): + r = random.Random(userID) + params = dict() + for name, meta in param_meta.iteritems(): + if meta.get('generated', False): + params[name] = default_generators[meta.get('type', None)](r) + return params + +if __name__ == '__main__': + r = random.Random() + for k, v in default_generators.iteritems(): + print "---", k, "---" + print v(r) -- cgit v1.2.1