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refactor(install): simplify detection of public IP4, add fallback to IPv6 (#589)

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Henry N 2020-04-27 16:24:30 +02:00 committed by GitHub
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commit 2a35a3db16
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1 changed files with 5 additions and 1 deletions
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6
openvpn-install.sh
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@ -208,7 +208,11 @@ function installQuestions() {
echo "Unless your server is behind NAT, it should be your public IPv4 address."
# Detect public IPv4 address and pre-fill for the user
IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
IP=$(ip -4 addr | sed -ne 's|^.* inet \([^/]*\)/.* scope global.*$|\1|p' | head -1)
if [[ -z "$IP" ]]; then
# Detect public IPv6 address
IP=$(ip -6 addr | sed -ne 's|^.* inet6 \([^/]*\)/.* scope global.*$|\1|p' | head -1)
fi
APPROVE_IP=${APPROVE_IP:-n}
if [[ $APPROVE_IP =~ n ]]; then
read -rp "IP address: " -e -i "$IP" IP