Биллинговая система Nodeny

#!/usr/local/bin/bash

# (c) 2009, Andrey Zentavr
# To use this software, please install port from /usr/ports/net-mgmt/dhcdrop
# Or download port tarball from http://www.freebsd.org/cgi/cvsweb.cgi/ports/net-mgmt/dhcdrop/dhcdrop.tar.gz?tarball=1
# and unpack it into /usr/ports/net-mgmt/dhcdrop

# Legal DHCP Serverz, space separated mac address
LEGAL_SERVERS="00:15:17:b8:f9:1e 00:15:17:b8:f9:1f 00:1b:21:21:83:d5"
#              gw1:em0+vlan***   gw1:em1           nodeny:em0

DROPPER="/usr/local/sbin/dhcdrop"
IFNAME="em0 vlan10 vlan30"			# Interfaces on our Router, space separated
PARAMS="-t -m 3"

# Lets Go!
# legal params
for mac in ${LEGAL_SERVERS}; do
    LMAC="${LMAC} -l ${mac}"
done

#echo ${LMAC}

# Discovering on every interface
for IF in ${IFNAME}; do
	echo "Processing interface ${IF}"
	# test to any DHCP-Server
	${DROPPER} -i ${IF} ${LMAC} ${PARAMS}
	
	# Check for status 200
	if [ $? = 200 ]; then
	    echo "Illegal server found on ${IF}! Dropping him!"
	    ${DROPPER} -i ${IF} ${LMAC} -y
	else
	    echo "Illegal server not found on ${IF}."
	fi
done

echo "All done" 

/usr/ports/net-mgmt/dhcdrop

[root@localhost /etc]# sh dhcdrop.sh
Processing interface xl1
DHCP SRV: 192.168.4.22 (IP-hdr: 192.168.4.22) SRV ether: 00:24:01:AE:84:FB, YIP: 192.168.4.105
Illegal server found on xl1! Dropping him!
Using interface: 'xl1'
Got response from server 192.168.4.22 (IP-header 192.168.4.22), server ethernet address: 00:24:01:AE:84:FB, lease time: 0.017h (60s)
Got BOOTREPLY (DHCPOFFER) for client ether: 00:04:3C:98:15:F9 You IP: 192.168.4.107/24
1. Got BOOTREPLY (DHCPACK) for client ether: 00:04:3C:98:15:F9 You IP: 192.168.4.107/24
2. Got BOOTREPLY (DHCPACK) for client ether: 00:11:18:3A:C7:AF You IP: 192.168.4.104/24
3. Got BOOTREPLY (DHCPACK) for client ether: 00:DE:7A:94:34:7B You IP: 192.168.4.106/24
4. Got BOOTREPLY (DHCPACK) for client ether: 00:A2:F7:49:23:F8 You IP: 192.168.4.101/24
5. Got BOOTREPLY (DHCPACK) for client ether: 00:5D:B5:21:E8:D3 You IP: 192.168.4.103/24
6. Got BOOTREPLY (DHCPACK) for client ether: 00:81:0A:96:55:F5 You IP: 192.168.4.100/24
7. Got BOOTREPLY (DHCPACK) for client ether: 00:D2:1D:C8:EA:E4 You IP: 192.168.4.102/24
8. Got BOOTREPLY (DHCPACK) for client ether: 00:95:8C:CF:9B:3F You IP: 192.168.4.104/24
9. Got BOOTREPLY (DHCPACK) for client ether: 00:A8:E4:DB:74:39 You IP: 192.168.4.105/24
10. Got BOOTREPLY (DHCPACK) for client ether: 00:A5:B3:88:1C:D3 You IP: 192.168.4.101/24
Wait DHCPOFFER timeout. Resending DHCPDISCOVER.
11. Got BOOTREPLY (DHCPACK) for client ether: 00:EA:79:8C:75:AE You IP: 192.168.4.103/24
12. Got BOOTREPLY (DHCPACK) for client ether: 00:35:9B:26:B8:98 You IP: 192.168.4.100/24
13. Got BOOTREPLY (DHCPACK) for client ether: 00:4B:1B:4A:CC:66 You IP: 192.168.4.102/24
14. Got BOOTREPLY (DHCPACK) for client ether: 00:F1:66:DF:CD:FE You IP: 192.168.4.104/24
15. Got BOOTREPLY (DHCPACK) for client ether: 00:D0:F7:10:EC:64 You IP: 192.168.4.105/24
Wait DHCPOFFER timeout. Resending DHCPDISCOVER.
16. Got BOOTREPLY (DHCPACK) for client ether: 00:5E:34:DD:6F:1B You IP: 192.168.4.101/24
17. Got BOOTREPLY (DHCPACK) for client ether: 00:71:E3:8F:B7:64 You IP: 192.168.4.103/24

$DROPPER -i $IFNAME -t -l $LEGAL_SERVER -m 3 > temp.tmp