From 4b9472fb759833a18ee6d7ad3fd81f597c794a67 Mon Sep 17 00:00:00 2001 From: glen Date: Sun, 9 May 2021 07:30:49 -0400 Subject: [PATCH] save iptables rules only when they change --- installers/common.sh | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/installers/common.sh b/installers/common.sh index 563ba5a..978bf36 100644 --- a/installers/common.sh +++ b/installers/common.sh @@ -145,14 +145,18 @@ function configure_exit() { sed -i 's#\#ifaddr=#ifaddr=172.16.0.1/16#g' /var/lib/lokinet/lokinet.ini sed -i 's#\#paths=6#paths=8#g' /var/lib/lokinet/lokinet.ini sed -i 's#\#net.ipv4.ip_forward=1#net.ipv4.ip_forward = 1#g' /etc/sysctl.conf - if [ -z $(grep "172.16.0.1/16" "/etc/iptables/rules.v4") ]; then iptables -t nat -A POSTROUTING -s 172.16.0.1/16 -o eth0 -j MASQUERADE; fi + if grep -Fxq "172.16.0.1/16" /etc/iptables/rules.v4 + then + echo -n "iptables entry already exists" + else + iptables -t nat -A POSTROUTING -s 172.16.0.1/16 -o eth0 -j MASQUERADE + iptables-save > /etc/iptables/rules.v4 + fi # iptables -t nat -A POSTROUTING -s 172.16.0.1/16 -o eth0 -j MASQUERADE - iptables-save > /etc/iptables/rules.v4 sudo sysctl -p /etc/sysctl.conf sudo systemctl restart lokinet #clean out installer files - # sudo rm -r $exit_dir/installers || install_error "Unable to remove installers" sudo rm -r /tmp/microexit || install_error "Unable to remove /tmp/microexit folder" #provide option to launch and display lokinet address