python-ipy/example/confbuilder.py at 0785b8d1a031cf86d69a1e59bfdbd0fd5dd21a5c · cclauss/python-ipy · GitHub

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from __future__ import print_function
# This is a hack I use to generate my tinydns configuration
# It serves as e test for converting from Perl Net::IP to
# Python and IPy

# Further Information might be available at http://c0re.jp/c0de/IPy/
# Hacked 2001 by drt@un.bewaff.net

import sys
sys.path.append('..')

import IPy


ns = {'ns.nerxs.com': '213.221.113.70',
      'ns.dorsch.org': '195.143.234.25',
      'ns.c0re.jp': '217.6.214.130'}

print("# *** nameservers ***")
for x in ns:
    print("=%s:%s" % (x, ns[x]))

print("\n# *** domains ***")

fd = open('domains')

for x in fd.readlines():
    if x[0] != '#':
        if x[-1] == '\n':
            x = x[:-1]
        (domain, owner) = x.split(':')
        print("'%s:Contact for this domain is %s" % (domain, owner))
        for y in ns:
            print(".%s::%s" % (domain, y))

fd.close()

print("\n# *** Networks ***")

fd = open('networks')
ip6map = {}
rmap = {}
nmap = {}

for x in fd.readlines():
    if x[-1] == '\n':
        x = x[:-1]
    if len(x) > 0 and x[0] != '#':
        nets = x.split(',')
        name = nets.pop(0)
        print("# Network: %s" % name)
        for y in nets:
            ip = IPy.IP(y)
            print("# Address range: %s (%s), %d addresses" % (ip.strCompressed(), ip.iptype(), ip.len()))
            print("=net.%s:%s" % (name, ip.net()))
            print("=broadcast.%s:%s" % (name, ip.broadcast()))

            if ip.version() == 4:
                for z in ip:
                    # TODO reverse?
                    nmap[z.int()] = name
                    rmap[z.int()] = z.strBin() + "." + name
            else:
                # IPv6
                for z in ns:
                    for v in ip.reverseName():
                        print(".%s::%s" % (v, z))
                ip6map[ip.strFullsize(0)] = name

fd.close()

print("\n# *** hosts ***")

fd = open('hosts')

for x in fd.readlines():
    if x[-1] == '\n':
        x = x[:-1]
    if x != '' and x[0] != '#':
        if "@Z'.".find(x[0]) >= 0:
            print(x)
        else:
            if "=+'".find(x[0]) >= 0:
                i = x.split(':')
                rmap[IPy.IP(i[1]).int()] = ''
                print(x)
            else:
                x = x[1:]
                x += '||||'
                fields = x.split('|')
                name = fields.pop(0)
                if name[0] == '.':
                    name = name[1:]
                v = fields.pop(0)
                ips = v.split(',')
                v = fields.pop(0)
                aliases = v.split(',')
                if aliases == ['']:
                    aliases = []
                admin = fields.pop()
                if admin == '':
                    admin = 'technik@c0re.23.nu'
                v = fields.pop()
                mxes = v.split(',')
                if mxes == ['']:
                    mxes = []
                for y in ips:
                    ip = IPy.IP(y)
                    if ip.version() == 4:
                        # IPv4 is easy
                        if ip.int() not in nmap:
                            print("*** warning: no network for %s (%s) - ignoring" % (y, name), file=sys.stderr)
                            print("# no network for %s (%s)" % (y, name))
                        else:
                            print("=%s.%s:%s" % (name, nmap[ip.int()], y))
                            print("'%s.%s:Host contact is %s" % (name, nmap[ip.int()], admin))
                            rmap[ip.int()] = ''
                            for z in aliases:
                                print("+%s:%s" % (z, ip))
                                print("'%s:Host contact is %s" % (z, admin))
                    else:
                        #IPv6 here
                        net = ip.strFullsize(0)
                        net = net[:19] + ':0000:0000:0000:0000'
                        if net in ip6map:
                            print("*** warning: no network for %s (%s) - ignoring" % (ip, name), file=sys.stderr)
                            print("# no network for %s (%s) - ignoring" % (ip, name))
                        else:
                            print("6%s.%s:%s" % (name, ip6map[net], ip.strHex()[2:]))
                            for z in aliases:
                                print("3%s:%s" % (name, ip.strHex()[2:]))
                                print("'%s:Host contact is %s" % (name, admin))

fd.close()

print("\n# *** reverse lookup ***")
for x in sorted(nmap):
    if rmap.get(x):
      print("=%s:%s" % (rmap[x], str(IPy.IP(x))))