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Update for better script method

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This commit is contained in:
Joey Hafner 2024-01-07 02:26:18 -08:00
parent 8f919a1deb
commit b41b919d4c
1 changed files with 10 additions and 13 deletions
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23
wizard/scripts/update_hairpin_nat.sh
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@ -1,26 +1,23 @@
#!/bin/vbash
source /opt/vyatta/etc/functions/script-template
# create copies of config for modification and backup
cp /config/config.boot /config/config.new
cp /config/config.boot /config/backups/config.bk-$(date +%Y-%m-%d)
# get current public IP
NEW_IP=$(show interfaces pppoe pppoe1 | grep "inet\s" | cut -d ' ' -f 6)
# get old public IP
OLD_IP=$(show nat destination rules | grep 1100 | head -1 | tr -s ' ' | cut -d' ' -f 3)
show configuration commands | grep $OLD_IP | sed --expression="s/$OLD_IP/$NEW_IP/" > ipupdate.tmp
# switch mode to config
configure
# get current public IP
NEW_IP=$(run show interfaces pppoe pppoe1 | grep "inet\s" | cut -d ' ' -f 6)
# get old public IP
OLD_IP=$(run show nat destination rules | grep 1100 | head -1 | tr -s ' ' | cut -d' ' -f 3)
source ipupdate.tmp
# edit the config.new file
sed -i "s/$OLD_IP/$NEW_IP/" /config/config.new
# apply the new config
load /config/config.new
{ # try commit, save, exit
commit && save && exit
} || { # catch, exit discard and create a very basic error file
exit discard
echo "Script failed. Write some real error handling."
}
rm ipupdate.tmp