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mirror of synced 2024-11-29 08:06:04 +03:00

Add quick start script

This commit is contained in:
hwdsl2 2021-08-10 02:57:18 -05:00
parent 6daacff466
commit 50053e3be7

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extras/quickstart.sh Normal file
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#!/bin/sh
#
# Quick start script to set up an IPsec VPN server with IPsec/L2TP, Cisco IPsec and IKEv2
# Works on any dedicated server or virtual private server (VPS)
#
# DO NOT RUN THIS SCRIPT ON YOUR PC OR MAC!
#
# The latest version of this script is available at:
# https://github.com/hwdsl2/setup-ipsec-vpn
#
# Copyright (C) 2021 Lin Song <linsongui@gmail.com>
#
# This work is licensed under the Creative Commons Attribution-ShareAlike 3.0
# Unported License: http://creativecommons.org/licenses/by-sa/3.0/
#
# Attribution required: please include my name in any derivative and let me
# know how you have improved it!
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
exiterr() { echo "Error: $1" >&2; exit 1; }
check_root() {
if [ "$(id -u)" != 0 ]; then
exiterr "Script must be run as root. Try 'sudo sh $0'"
fi
}
check_vz() {
if [ -f /proc/user_beancounters ]; then
exiterr "OpenVZ VPS is not supported."
fi
}
check_os() {
os_type=centos
rh_file="/etc/redhat-release"
if grep -qs "Red Hat" "$rh_file"; then
os_type=rhel
fi
if grep -qs "release 7" "$rh_file"; then
os_ver=7
elif grep -qs "release 8" "$rh_file"; then
os_ver=8
grep -qi stream "$rh_file" && os_ver=8s
grep -qi rocky "$rh_file" && os_type=rocky
grep -qi alma "$rh_file" && os_type=alma
elif grep -qs "Amazon Linux release 2" /etc/system-release; then
os_type=amzn
os_ver=2
else
os_type=$(lsb_release -si 2>/dev/null)
[ -z "$os_type" ] && [ -f /etc/os-release ] && os_type=$(. /etc/os-release && printf '%s' "$ID")
case $os_type in
[Uu]buntu)
os_type=ubuntu
;;
[Dd]ebian)
os_type=debian
;;
[Rr]aspbian)
os_type=raspbian
;;
*)
exiterr "This script only supports Ubuntu, Debian, CentOS/RHEL 7/8 and Amazon Linux 2."
;;
esac
os_ver=$(sed 's/\..*//' /etc/debian_version | tr -dc 'A-Za-z0-9')
if [ "$os_ver" = "8" ] || [ "$os_ver" = "jessiesid" ]; then
exiterr "Debian 8 or Ubuntu < 16.04 is not supported."
fi
if [ "$os_ver" = "10" ] && [ ! -e /dev/ppp ]; then
exiterr "/dev/ppp is missing. Debian 10 users, see: https://git.io/vpndebian10"
fi
fi
}
check_iface() {
def_iface=$(route 2>/dev/null | grep -m 1 '^default' | grep -o '[^ ]*$')
[ -z "$def_iface" ] && def_iface=$(ip -4 route list 0/0 2>/dev/null | grep -m 1 -Po '(?<=dev )(\S+)')
def_state=$(cat "/sys/class/net/$def_iface/operstate" 2>/dev/null)
if [ -n "$def_state" ] && [ "$def_state" != "down" ]; then
case $def_iface in
wl*)
exiterr "Wireless interface '$def_iface' detected. DO NOT run this script on your PC or Mac!"
;;
esac
fi
}
install_wget() {
if [ "$os_type" = "ubuntu" ] || [ "$os_type" = "debian" ] || [ "$os_type" = "raspbian" ]; then
export DEBIAN_FRONTEND=noninteractive
(
set -x
apt-get -yqq update
) || exiterr "'apt-get update' failed."
(
set -x
apt-get -yqq install wget >/dev/null
) || exiterr "'apt-get install wget' failed."
else
(
set -x
yum -y -q install wget >/dev/null
) || exiterr "'yum install wget' failed."
fi
}
get_setup_url() {
base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master"
sh_file="vpnsetup.sh"
if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] || [ "$os_type" = "alma" ]; then
sh_file="vpnsetup_centos.sh"
elif [ "$os_type" = "amzn" ]; then
sh_file="vpnsetup_amzn.sh"
fi
setup_url="$base_url/$sh_file"
}
run_setup() {
status=0
get_setup_url
TMPDIR=$(mktemp -d /tmp/vpnsetup.XXXXX 2>/dev/null)
if [ -d "$TMPDIR" ]; then
if ( set -x; wget -t 3 -T 30 -q -O "$TMPDIR/vpn.sh" "$setup_url"; ); then
if ( set -x; /bin/sh "$TMPDIR/vpn.sh"; ); then
if [ -s /opt/src/ikev2.sh ] && [ ! -f /etc/ipsec.d/ikev2.conf ]; then
sleep 1
/bin/bash /opt/src/ikev2.sh --auto || status=1
fi
else
status=1
fi
else
status=1
echo "Error: Could not download VPN setup script." >&2
fi
/bin/rm -f "$TMPDIR/vpn.sh"
/bin/rmdir "$TMPDIR"
else
exiterr "Could not create temporary directory."
fi
}
quickstart() {
check_root
check_vz
check_os
check_iface
install_wget
get_setup_url
run_setup
}
## Defer setup until we have the complete script
quickstart "$@"
exit "$status"