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Detect users running with "sh" instead of bash

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And changed error codes. Sorry, not sorry.
This commit is contained in:
Nyr 2016-05-10 14:12:32 +02:00
parent 2bcb4681a1
commit 52f419e0d5
1 changed files with 13 additions and 12 deletions
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25
openvpn-install.sh
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@ -8,23 +8,26 @@
# universal as possible.
if [[ "$EUID" -ne 0 ]]; then
echo "Sorry, you need to run this as root"
# Detect Debian users running the script with "sh" instead of bash
if readlink /proc/$$/exe | grep -qs "dash"; then
echo "This script needs to be run with bash, not sh"
exit 1
fi
if [[ ! -e /dev/net/tun ]]; then
echo "TUN is not available"
if [[ "$EUID" -ne 0 ]]; then
echo "Sorry, you need to run this as root"
exit 2
fi
if grep -qs "CentOS release 5" "/etc/redhat-release"; then
echo "CentOS 5 is too old and not supported"
if [[ ! -e /dev/net/tun ]]; then
echo "TUN is not available"
exit 3
fi
if grep -qs "CentOS release 5" "/etc/redhat-release"; then
echo "CentOS 5 is too old and not supported"
exit 4
fi
if [[ -e /etc/debian_version ]]; then
OS=debian
RCLOCAL='/etc/rc.local'
@ -35,7 +38,7 @@ elif [[ -e /etc/centos-release || -e /etc/redhat-release ]]; then
chmod +x /etc/rc.d/rc.local
else
echo "Looks like you aren't running this installer on a Debian, Ubuntu or CentOS system"
exit 4
exit 5
fi
newclient () {
@ -52,7 +55,6 @@ newclient () {
echo "</key>" >> ~/$1.ovpn
}
# Try to get our IP from the system and fallback to the Internet.
# I do this to make the script compatible with NATed servers (lowendspirit.com)
# and to avoid getting an IPv6.
@ -61,7 +63,6 @@ if [[ "$IP" = "" ]]; then
IP=$(wget -qO- ipv4.icanhazip.com)
fi
if [[ -e /etc/openvpn/server.conf ]]; then
while :
do
@ -95,7 +96,7 @@ if [[ -e /etc/openvpn/server.conf ]]; then
if [[ "$NUMBEROFCLIENTS" = '0' ]]; then
echo ""
echo "You have no existing clients!"
exit 5
exit 6
fi
echo ""
echo "Select the existing client certificate you want to revoke"