forked from hwdsl2/setup-ipsec-vpn
-
Notifications
You must be signed in to change notification settings - Fork 1
/
vpnupgrade_centos.sh
145 lines (118 loc) · 4.1 KB
/
vpnupgrade_centos.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
#!/bin/sh
#
# Script to upgrade Libreswan on CentOS and RHEL
#
# Copyright (C) 2016 Lin Song <[email protected]>
#
# 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!
# Check for the latest version at https://libreswan.org and update as necessary
swan_ver=3.17
### Do not edit below this line
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
exiterr() { echo "Error: ${1}" >&2; exit 1; }
exiterr2() { echo "Error: 'yum install' failed." >&2; exit 1; }
if [ ! -f /etc/redhat-release ]; then
exiterr "This script only supports CentOS/RHEL."
fi
if ! grep -qs -e "release 6" -e "release 7" /etc/redhat-release; then
exiterr "This script only supports CentOS/RHEL 6 and 7."
fi
if [ -f /proc/user_beancounters ]; then
exiterr "This script does not support OpenVZ VPS."
fi
if [ "$(id -u)" != 0 ]; then
exiterr "Script must be run as root. Try 'sudo sh $0'"
fi
if [ -z "$swan_ver" ]; then
exiterr "Libreswan version 'swan_ver' not specified."
fi
/usr/local/sbin/ipsec --version 2>/dev/null | grep -qs "Libreswan"
if [ "$?" != "0" ]; then
exiterr "This script requires Libreswan already installed."
fi
/usr/local/sbin/ipsec --version 2>/dev/null | grep -qs "Libreswan $swan_ver"
if [ "$?" = "0" ]; then
echo "You already have Libreswan version $swan_ver installed! "
echo "If you continue, the same version will be re-installed."
echo
printf "Do you wish to continue anyway? [y/N] "
read -r response
case $response in
[yY][eE][sS]|[yY])
echo
;;
*)
echo "Aborting."
exit 1
;;
esac
fi
clear
cat <<EOF
Welcome! This script will build and install Libreswan $swan_ver on your server.
Additional packages required for Libreswan compilation will also be installed.
This is intended for use on servers running an older version of Libreswan.
Your existing VPN configuration files will NOT be modified.
EOF
printf "Do you wish to continue? [y/N] "
read -r response
case $response in
[yY][eE][sS]|[yY])
echo
echo "Please be patient. Setup is continuing..."
echo
;;
*)
echo "Aborting."
exit 1
;;
esac
# Create and change to working dir
mkdir -p /opt/src
cd /opt/src || exiterr "Cannot enter /opt/src."
# Install Wget
yum -y install wget || exiterr2
# Add the EPEL repository
yum -y install epel-release || exiterr2
# Install necessary packages
yum -y install nss-devel nspr-devel pkgconfig pam-devel \
libcap-ng-devel libselinux-devel \
curl-devel flex bison gcc make \
fipscheck-devel unbound-devel xmlto || exiterr2
# Install libevent2 and systemd-devel (CentOS 7)
if grep -qs "release 6" /etc/redhat-release; then
yum -y remove libevent-devel
yum -y install libevent2-devel || exiterr2
elif grep -qs "release 7" /etc/redhat-release; then
yum -y install libevent-devel systemd-devel || exiterr2
fi
# Compile and install Libreswan
swan_file="libreswan-$swan_ver.tar.gz"
swan_url1="https://download.libreswan.org/$swan_file"
swan_url2="https://github.com/libreswan/libreswan/archive/v$swan_ver.tar.gz"
wget -t 3 -T 30 -nv -O "$swan_file" "$swan_url1" || wget -t 3 -T 30 -nv -O "$swan_file" "$swan_url2"
[ "$?" != "0" ] && exiterr "Cannot download Libreswan source."
/bin/rm -rf "/opt/src/libreswan-$swan_ver"
tar xzf "$swan_file" && /bin/rm -f "$swan_file"
cd "libreswan-$swan_ver" || exiterr "Cannot enter Libreswan source dir."
echo "WERROR_CFLAGS =" > Makefile.inc.local
make -s programs && make -s install
# Verify the install and clean up
cd /opt/src || exiterr "Cannot enter /opt/src."
/bin/rm -rf "/opt/src/libreswan-$swan_ver"
/usr/local/sbin/ipsec --version 2>/dev/null | grep -qs "$swan_ver"
[ "$?" != "0" ] && exiterr "Libreswan $swan_ver failed to build."
# Restore SELinux contexts
restorecon /etc/ipsec.d/*db 2>/dev/null
restorecon /usr/local/sbin -Rv 2>/dev/null
restorecon /usr/local/libexec/ipsec -Rv 2>/dev/null
# Restart IPsec service
service ipsec restart
echo
echo "Libreswan $swan_ver was installed successfully! "
echo
exit 0