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git-subtree-dir: utils_v2
git-subtree-split: 715415d9988a06742c02ee1f915bbdc00f9ce8e3
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khushal
2025-01-03 18:33:35 +05:30
commit c8a9519815
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network/__init__.py
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network/ip.py
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"""
AUTHOR:
Khushal P Soonderji
DATE:
Friday, 12th Jul., 2024
OBJECTIVE:
To provide an easy way to get geolocation information of an IP address.
REFERENCES:
1) https://medium.com/@tubelwj/how-to-retrieve-ip-geolocation-information-in-python-929e15041e3e
DOWNLOADS:
N/A
"""
# *****************************************************************************************************************
# ***** ****
# *** IMPORT ***
# ***** ****
# *****************************************************************************************************************
# To make sibling directories accessible for imports:
import sys
sys.path.append(".")
sys.path.append("..")
# For working with IP Addresses:
import ipaddress
# *****************************************************************************************************************
# ***** ****
# *** MACROS / ONE-TIME INIT ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** VARIABLES ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** FUNCTIONS ***
# ***** ****
# *****************************************************************************************************************
def ipv4_to_int(ip_string):
"""
Converts an IP (v4) string to an integer value.
:param ip_string: The IP address (v4) that you want to convert to integer format.
:return: An integer representation of the IP (v4) address.
"""
ip_numerical = int(ipaddress.IPv4Address(ip_string))
return ip_numerical
# ---------------------------------------------------------------------------------------------------------------------
def int_to_ipv4(ip_numerical):
"""
Interprets the IP (v4) value from the given integer value.
:param ip_numerical: The integer value that represents an IP (v4) address.
:return:
"""
ip_string = str(ipaddress.IPv4Address(ip_numerical))
return ip_string
# ---------------------------------------------------------------------------------------------------------------------
def ipv4_to_bin(ip_string):
"""
Converts an input IP (v4) address to the binary string that represents the 32 bits.
:param ip_string: The IP (v4) string in a format like "192.168.0.1"
:return: The binary representation (as a string) of the input IP address.
"""
ip_binary = bin(int(ipaddress.IPv4Address(ip_string)))[2:].zfill(32)
return ip_binary
# ---------------------------------------------------------------------------------------------------------------------
def bin_to_ipv4(ip_binary):
"""
Interprets the IP (v4) value from the given binary string.
:param ip_binary: The string of 1s and 0s that represents the IP (v4) address.
:return: The IP (v4) address as a string.
"""
ip_string = str(ipaddress.IPv4Address(int(ip_binary, 2)))
return ip_string
# ---------------------------------------------------------------------------------------------------------------------
def get_ipv4_range(ip_string, as_string = True):
"""
Given a network description in the format "88.95.100.128/25", this function tells you the first and last IP
addresses of that network. Useful for determining if an IP address lies in a network.
:param ip_string: The input network description in the format "88.95.100.128/25"
:param as_string: To select between integer and string formats for the IP range output.
:return: The first and last IP addresses of the input network, and the count.
"""
# Extract the components of the string:
ip_components = ip_string.split("/")
ip_addr = ipv4_to_int(ip_components[0])
ip_bits = int(ip_components[1])
# Convert the mask number to binary representation:
ip_mask = (1 << ip_bits) - 1
ip_mask = ip_mask << (32 - ip_bits)
inv_ip_mask = (~ip_mask) & 0xFFFF
# Figure out the start and end IP addresses:
start_ip = ip_addr & ip_mask
end_ip = ip_addr | inv_ip_mask
count = end_ip - start_ip + 1
# If the IPs are needed as strings, we perform the conversion:
if as_string:
start_ip = int_to_ipv4(start_ip)
end_ip = int_to_ipv4(end_ip)
# Done here:
return start_ip, end_ip, count
# *****************************************************************************************************************
# ***** ****
# *** MAIN PROGRAM ***
# ***** ****
# *****************************************************************************************************************
if __name__ == "__main__":
print(ipv4_to_int("255.255.255.255"))
print(ipv4_to_int("x.x.x.x"))
network/ping.py
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"""
AUTHOR:
Khushal P Soonderji
DATE:
Friday, 28th Jun, 2024
OBJECTIVE:
To provide a way to ping a server and get the traceroute dump.
REFERENCES:
1) https://www.geeksforgeeks.org/traceroute-implementation-on-python/
DOWNLOADS:
N/A
"""
# *****************************************************************************************************************
# ***** ****
# *** IMPORT ***
# ***** ****
# *****************************************************************************************************************
# To make sibling directories accessible for imports:
import sys
sys.path.append(".")
sys.path.append("..")
# Utils:
from utils_v2.string import json
from utils_v2.string import regex
from utils_v2.date_time import date_time
# For networking:
import socket
from scapy.all import *
# For running the script from the terminal:
import argparse
# *****************************************************************************************************************
# ***** ****
# *** MACROS / ONE-TIME INIT ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** VARIABLES ***
# ***** ****
# *****************************************************************************************************************
# --- Nothing Yet
# *****************************************************************************************************************
# ***** ****
# *** FUNCTIONS ***
# ***** ****
# *****************************************************************************************************************
def get_name_and_addr(destination):
# If the user provided the IP address:
if (
regex.match(destination, regex.REGEX_IPV4) or
regex.match(destination, regex.REGEX_IPV6)
):
try: destination_name = socket.gethostbyaddr(destination)[0]
except Exception as exception: destination_name = "*"
destination_ip = destination
# If the provided destination was the domain name:
else:
destination_name = destination
try: destination_ip = socket.gethostbyname(destination)
except Exception as exception: destination_ip = "*"
# Done here:
return destination_name, destination_ip
# ---------------------------------------------------------------------------------------------------------------------
def tracert(
destination,
max_hops = 30,
timeout = 2.0,
port = 33434
):
# Initialize the variables:
destination_name, destination_ip = get_name_and_addr(destination)
full_trace = []
ttl = 1
# Keep noting hops till the limit is reached:
while ttl <= max_hops:
# Create a JSON for this stage:
this_hop = {
"destAddr": destination_ip,
"destName": destination_name,
"hopNo": ttl - 1,
"isDest": False,
"hopAddr": None,
"hopName": None,
"ts": None
}
# Create the IP and UDP headers and combine them:
ip_packet = IP(dst = destination, ttl = ttl)
udp_packet = UDP(dport = port)
trace_packet = ip_packet / udp_packet
# Send the packet and receive a reply and note down the timestamp:
reply = sr1(trace_packet, timeout = timeout, verbose = 0)
this_hop["ts"] = date_time.get_current_utc_date_time(as_string = True)
# No response:
if reply is None: this_hop["hopAddr"] = this_hop["hopName"] = "*"
# If some response was received, we note the values and break out if this was the destination hop:
else:
this_hop["hopName"], this_hop["hopAddr"] = get_name_and_addr(f"{reply.src}")
if reply.type == 3:
this_hop["isDest"] = True
full_trace.append(this_hop)
break
# Carry on to the next hop:
full_trace.append(this_hop)
ttl += 1
# Done here:
return full_trace
# *****************************************************************************************************************
# ***** ****
# *** MAIN PROGRAM ***
# ***** ****
# *****************************************************************************************************************
if __name__ == "__main__":
parser = argparse.ArgumentParser(description = "Traceroute Implementation in Python!")
parser.add_argument(
"dest",
help = "Destination (Name or IP address)."
)
parser.add_argument(
"-m",
"--max-hops",
type = int,
default = 30,
help =
"Maximum number of hops (default: 30)."
)
parser.add_argument(
"-t",
"--timeout",
type = float,
default = 2.0,
help = "Timeout for each packet in seconds (default: 2.0)."
)
parser.add_argument(
"-p",
"--port",
type = int,
default = 33434,
help = "The port to probe at the destination (default: 33434)."
)
args = parser.parse_args()
trace = tracert(
destination = args.dest,
max_hops = args.max_hops,
timeout = args.timeout,
port = args.port
)
print("TRACE:", json.to_string(trace))