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digitalocean-debian-to-arch
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Merge pull request #2 from Red5d/patch-1 

Calculate correct netmask in case prefixlen is not 24, 20, or 16
This commit is contained in:
Gavin Li 2014-07-20 11:38:56 -07:00
parent e09bb60159 e18ed518c7
commit 6692713656
1 changed files with 22 additions and 11 deletions
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33
install.sh
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@ -267,17 +267,28 @@ postbootstrap_configuration() {
read ignored netmask <&${grepfd} read ignored netmask <&${grepfd}
read ignored gateway <&${grepfd} read ignored gateway <&${grepfd}
exec {grepfd}<&- exec {grepfd}<&-
case ${netmask} in mask2cidr() {
255.255.255.0) nbits=0
prefixlen=24 IFS=.
;; for dec in $1 ; do
255.255.240.0) case $dec in
prefixlen=20 255) let nbits+=8;;
;; 254) let nbits+=7;;
255.255.0.0) 252) let nbits+=6;;
prefixlen=16 248) let nbits+=5;;
;; 240) let nbits+=4;;
esac 224) let nbits+=3;;
192) let nbits+=2;;
128) let nbits+=1;;
0);;
*) echo "Error: $dec is not recognised"; exit 1
esac
done
echo "$nbits"
}
prefixlen=$(mask2cidr ${netmask})
cat > /archroot/etc/systemd/network/internet.network <<EOF cat > /archroot/etc/systemd/network/internet.network <<EOF
[Match] [Match]
Name=eth0 Name=eth0