Shell Programming and Scripting

awk -v tags='(service:|src:|dst:)' '{
    while(match($0,"[^a-z]" tags "[^;]*;")){
        printf substr($0,RSTART+1,RLENGTH)
        $0=substr($0,RSTART+RLENGTH)}
    printf ORS}' file1

src: 0.0.0.0; dst: 0.0.0.0; service: 80;
src: 0.0.0.0; dst: 0.0.0.0; service: tcp-8000-30000;

#!/usr/bin/python
import re #reg expression module
s = """14:38:51 accept 30.146.28.4 >eth2c0 src: 0.0.0.0; dst: 0.0.0.0; proto: tcp; xlatedst: 10.85.92.65; NAT_rulenum: 50; NAT_addtnl_rulenum: 0; rule: 30; product: VPN-1 & FireWall-1; service: tcp-8000-30000; s_port: 55479;"""

s_ip = re.findall(" src: (.*?);",s)
d_ip = re.findall(" dst: (.*?);",s)
service = re.findall(" service: (.*?);",s)

print "Source IP: " , s_ip[0]
print "Destination IP: ",d_ip[0]
print "Service: ", service[0]

jupiter:/home/#  ./test.py
Source IP:  0.0.0.0
Destination IP:  0.0.0.0
Service:  tcp-8000-30000