Cleanup fom unused code and some mnor changes.

This commit is contained in:
Christoph 2019-07-16 03:20:47 +02:00
parent 69b0a9e1ea
commit 57a968de51

View File

@ -230,12 +230,6 @@ DEFAULT_KEY_OU="Network Services"
#DEFAULT_SERVER_CIPHER="BF-CBC"
DEFAULT_SERVER_CIPHER="AES-256-CBC"
#if [[ "$os_dist" = "debian" ]] && [[ $os_version -gt 9 ]] ; then
# EASYRSA_CALLER=1
#else
# EASYRSA_CALLER=""
#fi
#---------------------------------------
#-----------------------------
@ -324,7 +318,7 @@ echo ""
echo " Example: 'AKB' or 'FLR' or 'OPP' or.."
echo ""
ORG_SHORTCUT=""
echononl "Organisations acronym: "
echononl "Organisations shortcut: "
read ORG_SHORTCUT
while [ "X$ORG_SHORTCUT" = "X" ] ; do
echo -e "\n\t\033[33m\033[1mSetting 'OpenVPN Name' is required!\033[m\n"
@ -1629,19 +1623,27 @@ if [[ "$os_dist" = "debian" ]] && [[ $os_version -lt 10 ]] ; then
else
${EASY_RSA_DIR}/build-dh > "$log_file" 2>&1
fi
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
_DH_KEY=${OPENVPN_KEY_DIR}/dh${KEY_SIZE}.pem
else
if [[ -f "${script_dir}/dh${KEY_SIZE}.pem" ]]; then
cp "${script_dir}/dh${KEY_SIZE}.pem" "${OPENVPN_KEY_DIR}/dh.pem" > "$log_file" 2>&1
else
${EASY_RSA_DIR}/easyrsa gen-dh > "$log_file" 2>&1
fi
fi
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
_DH_KEY="${OPENVPN_KEY_DIR}/dh.pem"
fi
# - Generate Sever Key
@ -1667,6 +1669,8 @@ if [[ "$os_dist" = "debian" ]] && [[ $os_version -lt 10 ]] ; then
echononl "Type <return> to continue: "
read ok
echo ""
_SERVER_KEY="${OPENVPN_KEY_DIR}/server.key"
_SERVER_CERT="${OPENVPN_KEY_DIR}/server.crt"
else
@ -1681,13 +1685,15 @@ else
# - nopass - do not encrypt the private key (default is encrypted)
# -
echononl " Generate server keypair '${KEY_CN}-server'.."
${EASY_RSA_DIR}/easyrsa build-server-full "server" nopass > "$log_file" 2>&1
${EASY_RSA_DIR}/easyrsa build-server-full "${KEY_CN}-server" nopass > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
_SERVER_KEY="${OPENVPN_KEY_DIR}/private/${KEY_CN}-server.key"
_SERVER_CERT="${OPENVPN_KEY_DIR}/issued//${KEY_CN}-server.crt"
fi
@ -1709,23 +1715,13 @@ fi
# -
if [[ "$os_dist" = "debian" ]] && [[ $os_version -lt 10 ]] ; then
echononl " Create CRL (Certificate Revokation List) '${OPENVPN_BASE_DIR}/crl.pem'.."
openssl ca -gencrl -out ${OPENVPN_BASE_DIR}/crl.pem -config $KEY_CONFIG > "$log_file" 2>&1
openssl ca -gencrl -out ${OPENVPN_KEY_DIR}/crl.pem -config $KEY_CONFIG > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Create symlink for '${OPENVPN_KEY_DIR}/crl.pem'.."
ln -s ../crl.pem ${OPENVPN_KEY_DIR}/crl.pem > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
else
echononl " Create CRL (Certificate Revokation List) '${OPENVPN_KEY_DIR}/crl.pem'.."
${EASY_RSA_DIR}/easyrsa gen-crl > "$log_file" 2>&1
@ -1735,9 +1731,11 @@ else
echo_failed
error "$(cat $log_file)"
fi
fi
echononl " Change permissions (644) for ${OPENVPN_KEY_DIR}/crl.pem"
chmod 644 ${OPENVPN_KEY_DIR}/crl.pem > "$log_file" 2>&1
echononl " Change permissions (750) for '${OPENVPN_KEY_DIR}'.."
chmod 750 "${OPENVPN_KEY_DIR}" > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
@ -1745,6 +1743,31 @@ else
error "$(cat $log_file)"
fi
echononl " Change group (to nogroup) for '${OPENVPN_KEY_DIR}'.."
chgrp nogroup "${OPENVPN_KEY_DIR}" > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Change group (to nogroup) for '${OPENVPN_KEY_DIR}/crl.pem'.."
chgrp nogroup "${OPENVPN_KEY_DIR}/crl.pem" > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Change permissions (640) for ${OPENVPN_KEY_DIR}/crl.pem"
chmod 644 ${OPENVPN_KEY_DIR}/crl.pem > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
@ -1878,35 +1901,15 @@ dev tun
# OpenVPN can also use a PKCS #12 formatted key file
# (see "pkcs12" directive in man page).
ca ${OPENVPN_KEY_DIR}/ca.crt
EOF
if [[ -d "${OPENVPN_KEY_DIR}/issued" ]] ; then
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
cert ${OPENVPN_KEY_DIR}/issued/server.crt
key ${OPENVPN_KEY_DIR}/private/server.key # This file should be kept secret
cert $_SERVER_CERT
key $_SERVER_KEY # This file should be kept secret
# Diffie hellman parameters.
# Generate your own with:
# openssl dhparam -out dh1024.pem 1024
# Substitute 2048 for 1024 if you are using
# 2048 bit keys.
dh ${OPENVPN_KEY_DIR}/dh.pem
EOF
else
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
cert ${OPENVPN_BASE_DIR}/keys/server.crt
key ${OPENVPN_BASE_DIR}/keys/server.key # This file should be kept secret
# Diffie hellman parameters.
# Generate your own with:
# openssl dhparam -out dh1024.pem 1024
# Substitute 2048 for 1024 if you are using
# 2048 bit keys.
dh ${OPENVPN_KEY_DIR}/dh${KEY_SIZE}.pem
EOF
fi
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
dh $_DH_KEY
# Configure server mode and supply a VPN subnet
# for OpenVPN to draw client addresses from.
@ -2236,677 +2239,3 @@ fi
echo ""
clean_up 0
clean_up 0
#---------------------------------------
#-----------------------------
# Initial Setup OpenVPN (Root ca / Server key /..)
#-----------------------------
#---------------------------------------
echo ""
# - source file vars
# -
echononl " Load configuration '${EASY_RSA_DIR}/vars'.."
source ${EASY_RSA_DIR}/vars > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
if [[ ! -f "$KEY_CONFIG" ]] ; then
echononl " Create Symlink '$(basename $KEY_CONFIG)'.."
if [[ -f "$(dirname $KEY_CONFIG)/openssl-1.0.0.cnf" ]]; then
ln -s "$(dirname $KEY_CONFIG)/openssl-1.0.0.cnf" "$KEY_CONFIG"
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
#fatal "No OpenSSL configuration file present!"
fi
elif [[ -f "$(dirname $KEY_CONFIG)/openssl-easyrsa.cnf" ]]; then
ln -s "$(dirname $KEY_CONFIG)//openssl-easyrsa.cnf" "$KEY_CONFIG"
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
else
echo_failed
fatal "No OpenSSL configuration file present!"
echononl "continue anyway [yes/no]: "
read OK
OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
while [[ "$OK" != "yes" ]] && [[ "$OK" != "no" ]] ; do
echononl "Wrong entry! - repeat [yes/nno]: "
read OK
done
[[ $OK = "yes" ]] || fatal "Abbruch durch User"
fi
fi
_failed=false
OPENSSL_CONFIG_FILE="$(realpath "$KEY_CONFIG")"
echononl " Adjust '$OPENSSL_CONFIG_FILE'.."
perl -i.ORIG -n -p -e "s/^(\s*default_days\s*=.*)/#\1\ndefault_days = $CA_EXPIRE/" $OPENSSL_CONFIG_FILE > "$log_file" 2>&1
if [[ $? -ne 0 ]]; then
_failed=true
fi
perl -i -n -p -e "s/^(\s*default_crl_days\s*=.*)/#\1\ndefault_crl_days = $CA_EXPIRE/" $OPENSSL_CONFIG_FILE > "$log_file" 2>&1
if [[ $? -ne 0 ]]; then
_failed=true
fi
if $_failed ; then
echo_failed
error "$(cat $log_file)"
else
echo_ok
fi
# ---
# - Create Keys and Certs
# ---
echo ""
echo -e "\033[32m--\033[m"
echo "Create Keys and Certs .."
echo -e "\033[32m--\033[m"
echo ""
# - Create file 'serial' with value '01' - the serial for the next
# - created certificate
# -
#echononl " Create '${OPENVPN_BASE_DIR}/keys/serial'.."
#echo "01" > "${OPENVPN_BASE_DIR}/keys/serial" 2> "$log_file"
#if [[ $? -eq 0 ]] ; then
# echo_ok
#else
# echo_failed
# error "$(cat $log_file)"
#fi
#
## - Create empty file index.txt at key-directory
## -
#echononl " Create empty file '${OPENVPN_BASE_DIR}/keys/index.txt'.."
#touch $OPENVPN_BASE_DIR/keys/index.txt
#if [[ $? -eq 0 ]] ; then
# echo_ok
#else
# echo_failed
# error "$(cat $log_file)"
#fi
# - Create Root CA
# -
echononl " Create Root CA.."
printf "\n\n\n\n\n\n\n\n" | ${EASY_RSA_DIR}/build-ca > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
# - Build Diffie-Hellman parameters for the server side
# - of an SSL/TLS connection.
# .
echononl " Build Diffie-Hellman parameter (dh key).."
${EASY_RSA_DIR}/build-dh > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
# - Build Sever Key
# -
#echononl " Create Sever Key"
echo ""
echo -e " \033[32mNow create the server key. Tis procedure works interactive.\033[m"
echo -e " Use \033[37m\033[1m${KEY_CN}-server\033[m as 'commonName'"
echo ""
echononl "Type <return> to continue: "
read ok
echo ""
${EASY_RSA_DIR}/build-key-server server
if [[ $? -eq 0 ]] ; then
info "Building server key was successfully."
else
error "Building server key failed!"
fi
echo ""
echononl "Type <return> to continue: "
read ok
echo ""
#printf "\n\n\n\n\n${KEY_CN}-server\n\n\n\ny\ny\n" | ${EASY_RSA_DIR}/build-key-server server
# - For extra security beyond that provided
# - by SSL/TLS, create an "HMAC firewall"
# - to help block DoS attacks and UDP port flooding.
# -
echononl " Create 'ta.key' for additional security"
openvpn --genkey --secret ${OPENVPN_BASE_DIR}/keys/ta.key > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
# - Create empty CRL (Certificate Revokation List)
# -
echononl " Create CRL (Certificate Revokation List) '${OPENVPN_BASE_DIR}/crl.pem'.."
openssl ca -gencrl -out ${OPENVPN_BASE_DIR}/crl.pem -config $KEY_CONFIG > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Create symlink for '${OPENVPN_BASE_DIR}/keys/crl.pem'.."
ln -s ../crl.pem ${OPENVPN_BASE_DIR}/keys/crl.pem > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
# ----
# - Create server configurations
# ----
echo ""
echo -e "\033[32m--\033[m"
echo "Server configurations .."
echo -e "\033[32m--\033[m"
echo ""
echononl " Backup Client configuration directory '$OPENVPN_CCD_DIR'"
if [[ -d "$OPENVPN_CCD_DIR" ]]; then
mv "$OPENVPN_CCD_DIR" "${OPENVPN_CCD_DIR}.$_date"
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
else
echo_skipped
fi
echononl " Create Client configuration directory '$OPENVPN_CCD_DIR'"
mkdir "$OPENVPN_CCD_DIR" > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
#---------------------------------------
#-----------------------------
# Write Server Configuration for $OPENVPN_NAME
#-----------------------------
#---------------------------------------
_server_conf_file="/etc/openvpn/server-${OPENVPN_NAME}.conf"
echononl " Backup file $_server_conf_file"
if [[ -f "$_server_conf_file" ]] ; then
mv "$_server_conf_file" "${_server_conf_file}.$_date" > "$log_file" 2>&1
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
else
echo_skipped
fi
echononl " Create configuration '${_server_conf_file}"
cat <<EOF > ${_server_conf_file} 2> "$log_file"
#################################################
# Sample OpenVPN 2.0 config file for #
# multi-client server. #
# #
# This file is for the server side #
# of a many-clients <-> one-server #
# OpenVPN configuration. #
# #
# OpenVPN also supports #
# single-machine <-> single-machine #
# configurations (See the Examples page #
# on the web site for more info). #
# #
# This config should work on Windows #
# or Linux/BSD systems. Remember on #
# Windows to quote pathnames and use #
# double backslashes, e.g.: #
# "C:\\\\Program Files\\\\OpenVPN\\\\config\\\\foo.key" #
# #
# Comments are preceded with '#' or ';' #
#################################################
# Which local IP address should OpenVPN
# listen on? (optional)
;local a.b.c.d
# Which TCP/UDP port should OpenVPN listen on?
# If you want to run multiple OpenVPN instances
# on the same machine, use a different port
# number for each one. You will need to
# open up this port on your firewall.
port $SERVER_PORT
# TCP or UDP server?
;proto tcp
proto udp
topology subnet
EOF
if [[ ${#LOCAL_NETWORK_ARR[@]} -gt 0 ]]; then
for _local_network in ${LOCAL_NETWORK_ARR[@]} ; do
IFS='/' read -a _net_arr <<< "${_local_network}"
if [[ -n ${_net_arr[1]} ]]; then
_netmask=$(cidr2mask ${_net_arr[1]})
else
_netmask="255.255.255.0"
fi
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
route ${_net_arr[0]} $_netmask $OPENVPN_SERVER_IP
EOF
done
fi
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
# "dev tun" will create a routed IP tunnel,
# "dev tap" will create an ethernet tunnel.
# Use "dev tap" if you are ethernet bridging.
# If you want to control access policies
# over the VPN, you must create firewall
# rules for the the TUN/TAP interface.
# On non-Windows systems, you can give
# an explicit unit number, such as tun0.
# On Windows, use "dev-node" for this.
# On most systems, the VPN will not function
# unless you partially or fully disable
# the firewall for the TUN/TAP interface.
;dev tap
dev tun
# Enable TUN IPv6 module
;tun-ipv6
# Windows needs the TAP-Win32 adapter name
# from the Network Connections panel if you
# have more than one. On XP SP2 or higher,
# you may need to selectively disable the
# Windows firewall for the TAP adapter.
# Non-Windows systems usually don't need this.
;dev-node MyTap
# SSL/TLS root certificate (ca), certificate
# (cert), and private key (key). Each client
# and the server must have their own cert and
# key file. The server and all clients will
# use the same ca file.
#
# See the "easy-rsa" directory for a series
# of scripts for generating RSA certificates
# and private keys. Remember to use
# a unique Common Name for the server
# and each of the client certificates.
#
# Any X509 key management system can be used.
# OpenVPN can also use a PKCS #12 formatted key file
# (see "pkcs12" directive in man page).
ca ${OPENVPN_BASE_DIR}/keys/ca.crt
cert ${OPENVPN_BASE_DIR}/keys/server.crt
key ${OPENVPN_BASE_DIR}/keys/server.key # This file should be kept secret
# Diffie hellman parameters.
# Generate your own with:
# openssl dhparam -out dh1024.pem 1024
# Substitute 2048 for 1024 if you are using
# 2048 bit keys.
dh ${OPENVPN_BASE_DIR}/keys/dh${KEY_SIZE}.pem
# Configure server mode and supply a VPN subnet
# for OpenVPN to draw client addresses from.
# The server will take 10.8.0.1 for itself,
# the rest will be made available to clients.
# Each client will be able to reach the server
# on 10.8.0.1. Comment this line out if you are
# ethernet bridging. See the man page for more info.
;server 10.8.0.0 255.255.255.0
;server-ipv6 2a01:30:1fff:fd00::/64
server $OPENVPN_NETWORK 255.255.255.0
# Maintain a record of client <-> virtual IP address
# associations in this file. If OpenVPN goes down or
# is restarted, reconnecting clients can be assigned
# the same virtual IP address from the pool that was
# previously assigned.
ifconfig-pool-persist ${OPENVPN_BASE_DIR}/ipp.txt
# Configure server mode for ethernet bridging.
# You must first use your OS's bridging capability
# to bridge the TAP interface with the ethernet
# NIC interface. Then you must manually set the
# IP/netmask on the bridge interface, here we
# assume 10.8.0.4/255.255.255.0. Finally we
# must set aside an IP range in this subnet
# (start=10.8.0.50 end=10.8.0.100) to allocate
# to connecting clients. Leave this line commented
# out unless you are ethernet bridging.
;server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100
# Push routes to the client to allow it
# to reach other private subnets behind
# the server. Remember that these
# private subnets will also need
# to know to route the OpenVPN client
# address pool (10.8.0.0/255.255.255.0)
# back to the OpenVPN server.
;push "route 10.8.0.0 255.255.255.0"
EOF
if [[ ${#REMOTE_NETWORK_ARR[@]} -gt 0 ]]; then
for _remote_network in ${REMOTE_NETWORK_ARR[@]} ; do
IFS='/' read -a _net_arr <<< "${_remote_network}"
if [[ -n ${_net_arr[1]} ]]; then
_netmask=$(cidr2mask ${_net_arr[1]})
else
_netmask="255.255.255.0"
fi
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
push "route ${_net_arr[0]} $_netmask"
EOF
done
fi
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
# To assign specific IP addresses to specific
# clients or if a connecting client has a private
# subnet behind it that should also have VPN access,
# use the subdirectory "ccd" for client-specific
# configuration files (see man page for more info).
client-config-dir $OPENVPN_CCD_DIR
# ---
# EXAMPLE: Suppose the client
# having the certificate common name "Thelonious"
# also has a small subnet behind his connecting
# machine, such as 192.168.40.128/255.255.255.248.
# First, uncomment out these lines:
;client-config-dir /etc/openvpn/ccd
;route 192.168.40.128 255.255.255.248
# Then create a file ccd/Thelonious with this line:
# iroute 192.168.40.128 255.255.255.248
# This will allow Thelonious' private subnet to
# access the VPN. This example will only work
# if you are routing, not bridging, i.e. you are
# using "dev tun" and "server" directives.
# ---
# ---
# EXAMPLE: Suppose you want to give
# Thelonious a fixed VPN IP address of 10.9.0.1.
# First uncomment out these lines:
;client-config-dir ccd
;route 10.9.0.0 255.255.255.252
# Then add this line to ccd/Thelonious:
# ifconfig-push 10.9.0.1 10.9.0.2
# ---
# ---
# Suppose that you want to enable different
# firewall access policies for different groups
# of clients. There are two methods:
# (1) Run multiple OpenVPN daemons, one for each
# group, and firewall the TUN/TAP interface
# for each group/daemon appropriately.
# (2) (Advanced) Create a script to dynamically
# modify the firewall in response to access
# from different clients. See man
# page for more info on learn-address script.
;learn-address ./script
# ---
# If enabled, this directive will configure
# all clients to redirect their default
# network gateway through the VPN, causing
# all IP traffic such as web browsing and
# and DNS lookups to go through the VPN
# (The OpenVPN server machine may need to NAT
# the TUN/TAP interface to the internet in
# order for this to work properly).
# CAVEAT: May break client's network config if
# client's local DHCP server packets get routed
# through the tunnel. Solution: make sure
# client's local DHCP server is reachable via
# a more specific route than the default route
# of 0.0.0.0/0.0.0.0.
;push "redirect-gateway"
# Certain Windows-specific network settings
# can be pushed to clients, such as DNS
# or WINS server addresses. CAVEAT:
# http://openvpn.net/faq.html#dhcpcaveats
;push "dhcp-option WINS 10.8.0.1"
EOF
if [[ -n "$DNS_SERVER" ]]; then
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
push "dhcp-option DNS ${DNS_SERVER}"
EOF
fi
if [[ ${#SEARCH_DOMAINS_ARR[@]} -gt 0 ]]; then
for _domain in ${SEARCH_DOMAINS_ARR[@]} ; do
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
push "dhcp-option DOMAIN ${_domain}"
EOF
done
fi
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
# Uncomment this directive to allow different
# clients to be able to "see" each other.
# By default, clients will only see the server.
# To force clients to only see the server, you
# will also need to appropriately firewall the
# server's TUN/TAP interface.
client-to-client
# Uncomment this directive if multiple clients
# might connect with the same certificate/key
# files or common names. This is recommended
# only for testing purposes. For production use,
# each client should have its own certificate/key
# pair.
#
# IF YOU HAVE NOT GENERATED INDIVIDUAL
# CERTIFICATE/KEY PAIRS FOR EACH CLIENT,
# EACH HAVING ITS OWN UNIQUE "COMMON NAME",
# UNCOMMENT THIS LINE OUT.
;duplicate-cn
# The keepalive directive causes ping-like
# messages to be sent back and forth over
# the link so that each side knows when
# the other side has gone down.
# Ping every 10 seconds, assume that remote
# peer is down if no ping received during
# a 120 second time period.
keepalive 10 120
# For extra security beyond that provided
# by SSL/TLS, create an "HMAC firewall"
# to help block DoS attacks and UDP port flooding.
#
# Generate with:
# openvpn --genkey --secret ta.key
#
# The server and each client must have
# a copy of this key.
# The second parameter should be '0'
# on the server and '1' on the clients.
;tls-auth ta.key 0 # This file is secret
tls-auth ${OPENVPN_BASE_DIR}/keys/ta.key 0
# Select a cryptographic cipher.
# This config item must be copied to
# the client config file as well.
;cipher BF-CBC # Blowfish (default)
;cipher AES-128-CBC # AES
;cipher DES-EDE3-CBC # Triple-DES
EOF
if [[ -n "$SERVER_CIPHER" ]]; then
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
cipher $SERVER_CIPHER
EOF
fi
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
# Enable compression on the VPN link.
# If you enable it here, you must also
# enable it in the client config file.
;comp-lzo
EOF
if $LZO_COMPRESSION ; then
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
comp-lzo
EOF
fi
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
# The maximum number of concurrently connected
# clients we want to allow.
;max-clients 100
# It's a good idea to reduce the OpenVPN
# daemon's privileges after initialization.
#
# You can uncomment this out on
# non-Windows systems.
user nobody
group nogroup
# The persist options will try to avoid
# accessing certain resources on restart
# that may no longer be accessible because
# of the privilege downgrade.
persist-key
persist-tun
persist-local-ip
persist-remote-ip
# Output a short status file showing
# current connections, truncated
# and rewritten every minute.
;status openvpn-status.log
status /var/log/openvpn/status-server-${OPENVPN_NAME}.log
# By default, log messages will go to the syslog (or
# on Windows, if running as a service, they will go to
# the "\Program Files\OpenVPN\log" directory).
# Use log or log-append to override this default.
# "log" will truncate the log file on OpenVPN startup,
# while "log-append" will append to it. Use one
# or the other (but not both).
;log-append openvpn.log
;log openvpn.log
log /var/log/openvpn/server-${OPENVPN_NAME}.log
# Set the appropriate level of log
# file verbosity.
#
# 0 is silent, except for fatal errors
# 4 is reasonable for general usage
# 5 and 6 can help to debug connection problems
# 9 is extremely verbose
verb 1
# Silence repeating messages. At most 20
# sequential messages of the same message
# category will be output to the log.
;mute 20
# CRL (certificate revocation list) verification
crl-verify ${OPENVPN_BASE_DIR}/crl.pem
EOF
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
echo ""
# - Start OpenVPN Service
# -
echononl " Start OpenVPN Service"
if $systemd_supported ; then
$systemctl start $service_name > "$log_file" 2>&1
if [[ $? -ne 0 ]]; then
echo_failed
error "$(cat $log_file)"
else
echo_ok
fi
else
$init_script start > "$log_file" 2>&1
if [[ $? -ne 0 ]]; then
echo_failed
error "$(cat $log_file)"
else
echo_ok
fi
fi
# - See if OpenVPN Service is running/has started
#
check_string_ps="$openvpn_binary"
check_string_ps_plus="--daemon"
sleep 2
PID=$(ps -e f | grep -E "[[:digit:]]\ ${check_string_ps}" | grep "\ ${check_string_ps_plus}\ " | grep -v grep | awk '{print$2}')
if [[ "X${PID}" = "X" ]]; then
warn "\033[37m\033[1mOpenVPN Service is NOT running.\033[m\n Maybe you have to restart the machine in order to start openvpn daemon."
fi
echo ""
clean_up 0