bash/localaddress at master · danieltlamb/bash · GitHub

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
#!/bin/bash

#Wed Jul 27 14:46:15 2016

echo "_____________________________________________________________"
echo " "
echo "Local Address: -- L.A. Port: -- Remote Address: -- R.A. Port:"
echo "_____________________________________________________________"

IFS=$'\n'
i=1
for j in `cat /proc/net/tcp`
do
test $i -eq 1 && ((i=i+1)) && continue

### Local Address ###
a=$(echo $j | awk '{print $2}' | cut -c 1-2);
b=$(echo $j | awk '{print $2}' | cut -c 3-4);
c=$(echo $j | awk '{print $2}' | cut -c 5-6);
d=$(echo $j | awk '{print $2}' | cut -c 7-8);

### Remote Address ###
o=$(echo $j | awk '{print $3}' | cut -c 1-2);
p=$(echo $j | awk '{print $3}' | cut -c 3-4);
q=$(echo $j | awk '{print $3}' | cut -c 5-6);
s=$(echo $j | awk '{print $3}' | cut -c 7-8);

### Local Address Port ###
t=$(echo $j | awk -F':' '{print $3}' | cut -c 1-4);

### Remote Address Port ###
u=$(echo $j | awk -F':' '{print $4}' | cut -c 1-4);

### L.A. Hex to Dec ###
e=$(echo $((0x$a)));
f=$(echo $((0x$b)));
g=$(echo $((0x$c)));
h=$(echo $((0x$d)));

### R.A. Hex to Dec ###
k=$(echo $((0x$o)));
l=$(echo $((0x$p)));
m=$(echo $((0x$q)));
n=$(echo $((0x$s)));

### L.A. Port Hex to Dec ###
y=$(echo $((0x$t)));

### R.A. Port Hex to Dec ###
z=$(echo $((0x$u)));
### Piecing together the octets ###
LOCALADDRESS=$(echo $h.$g.$f.$e);
LOCALADDRESSPORT=$(echo $y);
REMOTEADDRESS=$(echo $n.$m.$l.$k);
REMOTEADDRESSPORT=$(echo $z);

echo "  "$LOCALADDRESS"    --   "$LOCALADDRESSPORT"    --  "$REMOTEADDRESS"   --   "$REMOTEADDRESSPORT

done