-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathSubNetr.py
185 lines (127 loc) · 6.26 KB
/
SubNetr.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
# imports
import subprocess
# from colorama import Fore, Style
import argparse
from netaddr import *
import pprint
# banner
def PrintBanner():
# 1. make banner
banner = """
@@@@@@ @@@ @@@ @@@@@@@ @@@ @@@ @@@@@@@@ @@@@@@@ @@@@@@@
@@@@@@@ @@@ @@@ @@@@@@@@ @@@@ @@@ @@@@@@@@ @@@@@@@ @@@@@@@@
!@@ @@! @@@ @@! @@@ @@!@!@@@ @@! @@! @@! @@@
!@! !@! @!@ !@ @!@ !@!!@!@! !@! !@! !@! @!@
!!@@!! @!@ !@! @!@!@!@ @!@ !!@! @!!!:! @!! @!@!!@!
!!@!!! !@! !!! !!!@!!!! !@! !!! !!!!!: !!! !!@!@!
!:! !!: !!! !!: !!! !!: !!! !!: !!: !!: :!!
!:! :!: !:! :!: !:! :!: !:! :!: :!: :!: !:!
:::: :: ::::: :: :: :::: :: :: :: :::: :: :: :::
:: : : : : : :: : :: :: : : :: :: : : : :
Authored by: r_panov on 07/04/2018
'momentary masters of a fraction of a dot' - Carl Sagan'
"""
# 2. print banner
print(banner)
def subNIC(x):
# 1. run subprocess call (ifconfig) on user supplied input (-n , var=x)
a = subprocess.run([f'ifconfig {x}'], shell=True, stdout=subprocess.PIPE).stdout.decode('utf-8')
# 2. print output of call and prompt more action
print(f'Your network interface configuration for {x} is: \n')
print(a)
b = input(str(f'Enter the IP Address for {x} (i.e. inet) --> : '))
c = input(str(f'Enter the Subnet Mask for {x} (i.e. broadcast) --> : '))
# 3. split user input into list, print IP Address, print subnet mask
d = b.split(sep='.')
print(f'\n{x} IP Address Octets\n\tInteger --> {d[0]} | {d[1]} | {d[2]} | {d[3]} \n\tBinary --> {bin(int(d[0]))} | {bin(int(d[1]))} | {bin(int(d[2]))} | {bin(int(d[3]))}')
e = c.split(sep='.')
print(f'{x} Subnet Mask Octets\n\tInteger --> {e[0]} | {e[1]} | {e[2]} | {e[3]} \n\tBinary --> {bin(int(e[0]))} | {bin(int(e[1]))} | {bin(int(e[2]))} | {bin(int(e[3]))}')
# 4. pass user input to math function as variables: var=d , var=e
subMath(d,e)
# maths
def subMath(x,y):
# 1. IP/CIDR - take user input and slice and dice to show the IP subnet
a = '.'.join(x)
b = []
c = [b.append(bin(int(i.strip()))[2:]) for i in y]
d = ''.join(b)
e = sum(map(lambda x: 1 if '1' in x else 0, d)) # CIDR int variable
# 2. Print subnet calculations
ip = IPNetwork(f'{a}/{e}')
print(f'\nSubnet CIDR notation ---> {ip.cidr}')
print(f'IP Address CIDR notation ---> {a}/{e}')
print(f'Subnet size ---> {ip.size}')
print(f'Subnet mask ---> {ip.broadcast}')
print(f'Subnet netmask ---> {ip.netmask}')
print(f'Subnet range ---> {ip.network}-{ip.size}')
print(f'Private IP ---> {ip.is_private()}')
print(f'Reserved IP ---> {ip.is_reserved()}')
# 3. Show where the IP falls graphically amongst available hosts
# example if the 10th host 0[---------#---------------]25
ip_list = list(ip) # create list of all available IPs
hosts = []
z = [hosts.append(str(x)) for x in ip_list] # append all IPs as str's to new list
spot = [] # empty list to hold for-loop graph values
for x in hosts:
if x == a:
spot.append('#') # if IP is found at x value
else:
spot.append('-') # if IP is not x value
f = ''.join(spot) # GRAPH - assign graph to variable
g = len(ip_list)
# 4. Print
print('\nGraphical IP Address availability below: \n Can you find your IP?\n')
print(f'Start 0[ {f} ]{g} End') # print text and graph
arpSpotter(ip_list)
def arpSpotter(x):
# 1. user input for if they want to display arp cache
a = str(input('Use arp cache to graphicall display other hosts on subnet? (y/n) ---> ')).lower()
# 2. user decides YES
if a == 'y':
# 3. subprocess call to query arp cache
b = subprocess.run(['arp -a | cut -d " " -f 2'], shell=True, stdout=subprocess.PIPE).stdout.decode('utf-8')
c = list(b) # assign subprocess call output to list
# 4. create empty string
d = []
# 5. if/else list comprehension to replace '\n' with ' '
z = [d.append(' ') if x == '\n' else d.append(x) for x in c]
# 6. convert newly created list to string
e = ''.join(d)
# 7. strip comprehension on newly created string to separate at spaces
# 8. this creates list of arp IPs
arpIPs = [x.split("(")[-1] for x in e.split(")")[:-1]]
# 9. take all subnet IPs passed from previous function and assign to new variable
ip_list = x
# 10. create empty string to hold all available network subnet ips
hosts = []
# 11. list comprehension to fill list with str ips
z = [hosts.append(str(x)) for x in ip_list]
# 12. new list to hold graphical arp cache display
spot = []
# 13. list comprehension to fill empty arp cache display list
z1 = [spot.append('#') if x in arpIPs else spot.append('-') for x in hosts]
# 14. join graphical list
f = ''.join(spot)
# 15. printing
g = str(len(arpIPs))
print(f'\nSize of local arp cache ---> {g}')
print('\nArp cache IP address table: \n')
print(*arpIPs, sep='\t')
print("\nGraphical display of arp cache'd IP Addresses: \n")
print(f'Start 0[ {f} ]{g} End') # print text and graph
# 16 . user decides NO, or input != y
else:
pass
# main
def main():
# 1. imports
import argparse
# 2. print the banner right off the bat TODO: Once finished, uncomment PrintBanner() function
PrintBanner()
# 3. Argparse help menu: display help menu, takes flags, passes flag as input
parser = argparse.ArgumentParser(description='SubNetr tool is designed to perform subnet calculation on given NICs and IPs')
parser.add_argument('-n', '--nic', help='Enter NIC to run subnet calculations (Ex: -n en0)', required=True)
args = parser.parse_args()
# 4. perform minimal user validation then pass NIC input to function
subNIC(str(args.nic).lower())
main()