diff options
Diffstat (limited to 'vnfs/vFW/scripts/v_firewall_init.sh')
| -rw-r--r-- | vnfs/vFW/scripts/v_firewall_init.sh | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/vnfs/vFW/scripts/v_firewall_init.sh b/vnfs/vFW/scripts/v_firewall_init.sh index d277af04..75a55bee 100644 --- a/vnfs/vFW/scripts/v_firewall_init.sh +++ b/vnfs/vFW/scripts/v_firewall_init.sh @@ -1,5 +1,26 @@ #!/bin/bash +# Convert Network CIDR to Netmask +mask2cidr() { + nbits=0 + IFS=. + for dec in $1 ; do + case $dec in + 255) let nbits+=8;; + 254) let nbits+=7;; + 252) let nbits+=6;; + 248) let nbits+=5;; + 240) let nbits+=4;; + 224) let nbits+=3;; + 192) let nbits+=2;; + 128) let nbits+=1;; + 0);; + *) echo "Error: $dec is not recognized"; exit 1 + esac + done + echo "$nbits" +} + # Start VPP start vpp sleep 1 @@ -12,6 +33,11 @@ HWADDR2=$(ifconfig eth2 | grep HWaddr | tr -s ' ' | cut -d' ' -f5) FAKE_HWADDR1=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null | hexdump -v -e '/1 ":%02X"') FAKE_HWADDR2=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null | hexdump -v -e '/1 ":%02X"') +IPADDR1_MASK=$(ifconfig eth1 | grep "Mask" | awk '{print $4}' | awk -F ":" '{print $2}') +IPADDR1_CIDR=$(mask2cidr $IPADDR1_MASK) +IPADDR2_MASK=$(ifconfig eth2 | grep "Mask" | awk '{print $4}' | awk -F ":" '{print $2}') +IPADDR2_CIDR=$(mask2cidr $IPADDR2_MASK) + ifconfig eth1 down ifconfig eth2 down ifconfig eth1 hw ether $FAKE_HWADDR1 @@ -22,8 +48,8 @@ ifconfig eth1 up ifconfig eth2 up vppctl tap connect tap111 hwaddr $HWADDR1 vppctl tap connect tap222 hwaddr $HWADDR2 -vppctl set int ip address tap-0 $IPADDR1"/24" -vppctl set int ip address tap-1 $IPADDR2"/24" +vppctl set int ip address tap-0 $IPADDR1"/"$IPADDR1_CIDR +vppctl set int ip address tap-1 $IPADDR2"/"$IPADDR2_CIDR vppctl set int state tap-0 up vppctl set int state tap-1 up brctl addbr br0 |