def ipv6_addresses(lines):
""" Checks if line contains IPv6 Addresses """
# IPv6 - this doesn't handle %interface formats
ip6_regex = ("(([0-9a-fA-F]{1,4}:){7,7}([0-9a-fA-F]{1,4})|"
"([0-9a-fA-F]{1,4}:){1,7}:|"
"([0-9a-fA-F]{1,4}:){1,6}(:[0-9a-fA-F]{1,4})|"
"([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|"
"([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|"
"([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|"
"([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|"
"([0-9a-fA-F]{1,4}:){1,1}(:[0-9a-fA-F]{1,4}){1,6}|"
":(:[0-9a-fA-F]{1,4}){1,7})|([0-9a-fA-F]{1,4}:){1,4}:"
r"((25[0-5]|(2[0-4]|1?[0-9])?[0-9])\.){3,3}"
"(25[0-5]|(2[0-4]|1?[0-9])?[0-9])")
ip6_cidr = "(12[0-8]|(1[01]|[0-9])?[0-9])"
ip6_match = "^{}(/{})?$".format(ip6_regex, ip6_cidr)
ip6_range = r"^{}\s*-\s*{}$".format(ip6_regex, ip6_regex)
# Compile regexes increases speed
match_ip6_cidr = re.compile(ip6_match)
match_ip6_range = re.compile(ip6_range)
ip_set = IPSet()
remaining = []
for line in lines:
line = line.strip()
try:
if match_ip6_cidr.match(line):
logging.info('IPv6 match: %s', line)
ip_set.add(line)
elif match_ip6_range.match(line):
logging.info('IPv6 range: %s', line)
start, finish = line.split("-")
start = IPAddress(start.strip())
finish = IPAddress(finish.strip())
if start < finish:
ip_set.add(IPRange(start, finish))
else:
logging.warning(
'IPv4 range: %s (beginning of range '
'larger than end of range', line)
ip_set.add(IPRange(finish, start))
else:
logging.info('Unmatched: %s', line)
remaining.append(line)
except (RuntimeError, TypeError, NameError):
logging.debug('Invalid IPv6 addresses: %s', line)
remaining.append(line)
return ip_set, remaining
def ipv4_addresses(lines):
""" Checks if line contains IPv4 Addresses """
# IPv4 - this doesn't handle %interface formats
ip4_regex = (r"((25[0-5]|(2[0-4]|1?[0-9])?[0-9])\.){3,3}"
"(25[0-5]|(2[0-4]|1?[0-9])?[0-9])")
ip4_cidr = "(3[0-2]|[12]?[0-9])"
ip4_match = "^{}(/{})?$".format(ip4_regex, ip4_cidr)
ip4_range = r"^{}\s*-\s*{}$".format(ip4_regex, ip4_regex)
# Compile regexes increases speed
match_ip4_cidr = re.compile(ip4_match)
match_ip4_range = re.compile(ip4_range)
ip_set = IPSet()
remaining = []
for line in lines:
line = line.strip()
try:
if match_ip4_cidr.match(line):
logging.info('IPv4 match: %s', line)
ip_set.add(line)
elif match_ip4_range.match(line):
logging.info('IPv4 range: %s', line)
start, finish = line.split("-")
start = IPAddress(start.strip())
finish = IPAddress(finish.strip())
if start < finish:
ip_set.add(IPRange(start, finish))
else:
logging.warning(
'IPv4 range: %s (beginning of range '
'larger than end of range', line)
ip_set.add(IPRange(finish, start))
else:
remaining.append(line)
except (RuntimeError, TypeError, NameError):
logging.debug('Invalid IPv4 addresses: %s', line)
remaining.append(line)
return ip_set, remaining
