mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-05 06:04:04 +02:00
33 lines
686 B
Plaintext
33 lines
686 B
Plaintext
|
#!/bin/sh
|
||
|
|
||
|
awk -f /usr/lib/common.awk -f - $* <<EOF
|
||
|
BEGIN {
|
||
|
ipaddr=ip2int(ARGV[1])
|
||
|
netmask=ip2int(ARGV[2])
|
||
|
network=and(ipaddr,netmask)
|
||
|
broadcast=or(network,compl(netmask))
|
||
|
|
||
|
start=or(network,and(ip2int(ARGV[3]),compl(netmask)))
|
||
|
limit=network+1
|
||
|
if (start<limit) start=limit
|
||
|
|
||
|
end=start+ARGV[4]
|
||
|
limit=or(network,compl(netmask))-1
|
||
|
if (end>limit) end=limit
|
||
|
|
||
|
print "IP="int2ip(ipaddr)
|
||
|
print "NETMASK="int2ip(netmask)
|
||
|
print "BROADCAST="int2ip(broadcast)
|
||
|
print "NETWORK="int2ip(network)
|
||
|
print "PREFIX="32-bitcount(compl(netmask))
|
||
|
|
||
|
# range calculations:
|
||
|
# ipcalc <ip> <netmask> <start> <num>
|
||
|
|
||
|
if (ARGC > 3) {
|
||
|
print "START="int2ip(start)
|
||
|
print "END="int2ip(end)
|
||
|
}
|
||
|
}
|
||
|
EOF
|