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Variable check added to avoid performing the same request twice

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This commit is contained in:
Rubén Díaz 2013-07-31 23:38:32 +02:00
parent 730691c8a1
commit 22b5fdf80b
1 changed files with 3 additions and 2 deletions
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3
openvpn-install.sh
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@ -26,6 +26,7 @@ fi
IP=$(ifconfig | grep 'inet addr:' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | cut -d: -f2 | awk '{ print $1}') IP=$(ifconfig | grep 'inet addr:' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | cut -d: -f2 | awk '{ print $1}')
if [ "$IP" = "" ]; then if [ "$IP" = "" ]; then
IP=$(wget -qO- ipv4.icanhazip.com) IP=$(wget -qO- ipv4.icanhazip.com)
EXTERNALIP=$IP
fi fi
@ -179,7 +180,7 @@ else
mkdir ~/ovpn-$CLIENT mkdir ~/ovpn-$CLIENT
# Try to detect a NATed connection and ask about it to potential LowEndSpirit # Try to detect a NATed connection and ask about it to potential LowEndSpirit
# users # users
EXTERNALIP=$(wget -qO- ipv4.icanhazip.com) if [ -z "$EXTERNALIP" ]; then EXTERNALIP=$(wget -qO- ipv4.icanhazip.com); fi
if [ "$IP" != "$EXTERNALIP" ]; then if [ "$IP" != "$EXTERNALIP" ]; then
echo "" echo ""
echo "Looks like your server is behind a NAT!" echo "Looks like your server is behind a NAT!"