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Make new code work on lesser shells

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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@613 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep 2003-06-23 23:04:50 +00:00
parent d99bf6942c
commit 08c45deb2e
1 changed files with 5 additions and 5 deletions
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10
Shorewall/firewall
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@ -2869,11 +2869,11 @@ decodeaddr() {
encodeaddr() { encodeaddr() {
addr=$1 addr=$1
local x local x
local y=$(($addr % 256)) local y=$(($addr & 255))
for (( x=3 ; $x ; x-- )); do for x in 1 2 3 ; do
addr=$(($addr >> 8)) addr=$(($addr >> 8))
y=$(($addr % 256)).$y y=$(($addr & 255)).$y
done done
echo $y echo $y
@ -2898,7 +2898,7 @@ ip_range() {
# Netmask from CIDR # Netmask from CIDR
# #
ip_netmask() { ip_netmask() {
echo $(( $(( 0xffffffff << $((32 - ${1#*/})) )) & 0xffffffff )) echo $(( -1 << $((32 - ${1#*/})) ))
} }
# #
# Network address from CIDR # Network address from CIDR
@ -2916,7 +2916,7 @@ broadcastaddress() {
local decodedaddr=`decodeaddr ${1%/*}` local decodedaddr=`decodeaddr ${1%/*}`
local netmask=`ip_netmask $1` local netmask=`ip_netmask $1`
echo `encodeaddr $(( $(($decodedaddr & $netmask)) | $(( $netmask ^ 0xffffffff )) ))` echo `encodeaddr $(( $(($decodedaddr & $netmask)) | $(( $netmask ^ -1 )) ))`
} }
# #
# Test for subnet membership # Test for subnet membership