IPAddress.py: use ipaddress module

Improved readibility, maintainability and use of standard module
This commit is contained in:
Bastien Schils 2019-10-02 21:33:02 +02:00
parent d5c3f28e47
commit 4586467962

View file

@ -19,35 +19,9 @@ import re
from pubsublogger import publisher
from packages import Paste
from Helper import Process
from ipaddress import IPv4Network, IPv4Address
#
# Thanks to Syed Sadat Nazrul
# URL: https://medium.com/@sadatnazrul/checking-if-ipv4-address-in-network-python-af61a54d714d
def ip_to_binary(ip):
octet_list_int = ip.split(".")
octet_list_bin = [format(int(i), '08b') for i in octet_list_int]
binary = ("").join(octet_list_bin)
return binary
def get_addr_network(address, net_size):
#Convert ip address to 32 bit binary
ip_bin = ip_to_binary(address)
#Extract Network ID from 32 binary
network = ip_bin[0:32-(32-net_size)]
return network
def ip_in_prefix(ip_address, prefix):
#CIDR based separation of address and network size
[prefix_address, net_size] = prefix.split("/")
#Convert string to int
net_size = int(net_size)
#Get the network ID of both prefix and ip based net size
prefix_network = get_addr_network(prefix_address, net_size)
ip_network = get_addr_network(ip_address, net_size)
return ip_network == prefix_network
def search_ip(message):
paste = Paste.Paste(message)
content = paste.get_p_content()
@ -57,12 +31,11 @@ def search_ip(message):
results = reg_ip.findall(content)
matching_ips = []
print(results)
for res in results:
address = IPv4Address(res)
for network in ip_networks:
if ip_in_prefix(res,network):
matching_ips.append(res)
if address in network:
matching_ips.append(address)
if len(matching_ips) > 0:
print('{} contains {} IPs'.format(paste.p_name, len(matching_ips)))
@ -86,7 +59,9 @@ if __name__ == '__main__':
# Setup the I/O queues
p = Process(config_section)
ip_networks = p.config.get("IP", "networks").split(",")
ip_networks = []
for network in p.config.get("IP", "networks").split(","):
ip_networks.append(IPv4Network(network))
# Sent to the logging a description of the module
@ -103,3 +78,4 @@ if __name__ == '__main__':
# Do something with the message from the queue
search_ip(message)