def network_from_zone_name(name):
"""
Form a network from a zone name.
TODO: Finish and test this. IPv6 mask code not complete!
Partly inspired by dnspython dns.reverse.from_address()
"""
if name.endswith('.in-addr.arpa.'):
rev_str = name[:name.rfind('.in-addr.arpa.')]
addr_list = rev_str.split('.')
addr_list.reverse()
mask = len(addr_list) * 8
if mask not in (0, 8, 16, 24, 32):
return None
if len(addr_list):
addr_str = '.'.join(addr_list)
# Check address and make pretty
try:
addr_str = inet_ntop(AF_INET, inet_pton(AF_INET, addr_str))
except socket_error:
return None
else:
addr_str = '0'
return "%s/%s" % (addr_str, mask)
elif name.endswith('.ip6.arpa.'):
rev_str = name[:name.rfind('.ip6.arpa.')]
addr_list = rev_str.split('.')
addr_list.reverse()
mask = len(addr_list) * 4
if mask not in range(0, 65, 4):
return None
# Start here
l = len(addr_list)
bytes_2 = []
i = 0
while i < l:
bytes_2.append(''.join([x for x in addr_list[i:i+4]]))
i += 4
addr_str = ':'.join(bytes_2)
# Check address and make pretty
try:
addr_str = inet_ntop(AF_INET6, inet_pton(AF_INET6, addr_str))
except socket_error:
return None
return addr_str
# Nothing can be done here!
return None
def network_from_zone_name(name):
"""
Form a network from a zone name.
TODO: Finish and test this. IPv6 mask code not complete!
Partly inspired by dnspython dns.reverse.from_address()
"""
if name.endswith('.in-addr.arpa.'):
rev_str = name[:name.rfind('.in-addr.arpa.')]
addr_list = rev_str.split('.')
addr_list.reverse()
mask = len(addr_list) * 8
if mask not in (0, 8, 16, 24, 32):
return None
if len(addr_list):
addr_str = '.'.join(addr_list)
# Check address and make pretty
try:
addr_str = inet_ntop(AF_INET, inet_pton(AF_INET, addr_str))
except socket_error:
return None
else:
addr_str = '0'
return "%s/%s" % (addr_str, mask)
elif name.endswith('.ip6.arpa.'):
rev_str = name[:name.rfind('.ip6.arpa.')]
addr_list = rev_str.split('.')
addr_list.reverse()
mask = len(addr_list) * 4
if mask not in range(0, 65, 4):
return None
# Start here
l = len(addr_list)
bytes_2 = []
i = 0
while i < l:
bytes_2.append(''.join([x for x in addr_list[i:i + 4]]))
i += 4
addr_str = ':'.join(bytes_2)
# Check address and make pretty
try:
addr_str = inet_ntop(AF_INET6, inet_pton(AF_INET6, addr_str))
except socket_error:
return None
return addr_str
# Nothing can be done here!
return None
def addREV(ipaddress, ttl, name):
reversedomain = dns.reversename.from_address(str(ipaddress))
reversedomain = str(reversedomain).rstrip('.')
log.debug('[addREV] - reversedomain %s' % reversedomain)
authdomain = getrevzone_auth(str(reversedomain)).rstrip('.')
log.debug('[addREV] - authdomain %s' % authdomain)
label = stripptr(authdomain, reversedomain)
log.debug('[addREV] - label %s' % label)
name = name
if name.endswith("."):
return
else:
name = name + '.'
log.debug('[addREV] - name %s' % name)
check4TSIG = TSIGSecured(authdomain)
if check4TSIG.isSecure(authdomain):
key = str(check4TSIG.TSIG(authdomain))
keyname = authdomain.replace(".", "_")
keyring = dns.tsigkeyring.from_text({keyname: key})
update = dns.update.Update(authdomain, keyring=keyring)
else:
update = dns.update.Update(authdomain)
update.replace(label, monitor_ttl, dns.rdatatype.PTR, name)
response = dns.query.tcp(update, monitor_nameserver)
return response
def get_rrname(self, rrname):
"""Formats the rrname using the options passed to the service
Args:
rrname (str): A string template for rendering the rrname to be requested
"""
name = rrname.format(**self.opts)
if not name.endswith("."):
name = "{}.".format(name)
return name
def adjust_node_name(origin1, origin2, name):
if name == '@':
fqdn = str(origin1)
elif name.endswith('.'):
fqdn = name
else:
fqdn = name + '.' + str(origin1)
fqdn = fqdn.rstrip('.')
name2 = re.sub('\.?' + re.escape(str(origin2).rstrip('.')) + '$', '', fqdn)
if name2.endswith(str(origin1).rstrip('.')):
raise InvalidNodeComparison('%s (%s) => (%s)' % (fqdn, origin1, origin2))
if name2 == '':
return '@'
else:
return name2
def adjust_node_name(origin1, origin2, name):
if name == '@':
fqdn = str(origin1)
elif name.endswith('.'):
fqdn = name
else:
fqdn = name + '.' + str(origin1)
fqdn = fqdn.rstrip('.')
name2 = re.sub('\.?' + re.escape(str(origin2).rstrip('.')) + '$', '', fqdn)
if name2.endswith(str(origin1).rstrip('.')):
raise InvalidNodeComparison('%s (%s) => (%s)' %
(fqdn, origin1, origin2))
if name2 == '':
return '@'
else:
return name2.lower()
def validate_initial_name():
if not name:
return
if isinstance(bind_file, StringIO):
input_thing = 'StringIO object'
elif file_name:
input_thing = file_name
else:
input_thing = ('FD %s' % str(bind_file.fileno()))
try:
thing = dns.name.from_text(name)
except Exception as exc:
raise BadInitialZoneName(input_thing, name, str(exc))
if not is_inet_hostname(name):
raise BadInitialZoneName(input_thing, name, None)
if not name.endswith('.'):
raise BadInitialZoneName(input_thing, name, "must end with '.'.")
