--- /dev/null
+package openvpn
+
+#################################################
+# Sample OpenVPN 2.0 config file for #
+# multi-client server. #
+#################################################
+
+config openvpn sample_server
+
+ # Set to 1 to enable this instance:
+ option enable 0
+
+ # Which local IP address should OpenVPN
+ # listen on? (optional)
+# option local 0.0.0.0
+
+ # 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.
+ option port 1194
+
+ # TCP or UDP server?
+# option proto tcp
+ option proto udp
+
+ # "dev tun" will create a routed IP tunnel,
+ # "dev tap" will create an ethernet tunnel.
+ # Use "dev tap0" if you are ethernet bridging
+ # and have precreated a tap0 virtual interface
+ # and bridged it with your ethernet interface.
+ # 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.
+# option dev tap
+ option dev tun
+
+ # 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).
+ option ca ca.crt
+ option cert server.crt
+ # This file should be kept secret:
+ option key server.key
+
+ # Diffie hellman parameters.
+ # Generate your own with:
+ # openssl dhparam -out dh1024.pem 1024
+ # Substitute 2048 for 1024 if you are using
+ # 2048 bit keys.
+ option dh dh1024.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.
+ option server "10.8.0.0 255.255.255.0"
+
+ # 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.
+ option ifconfig_pool_persist 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.
+# option 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.
+# list push "route 192.168.10.0 255.255.255.0"
+# list push "route 192.168.20.0 255.255.255.0"
+
+ # 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).
+
+ # 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:
+# option client_config_dir ccd
+# list 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:
+# option client_config_dir ccd
+# list route "10.9.0.0 255.255.255.252"
+# list route "192.168.100.0 255.255.255.0"
+ # 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.
+# option 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.
+# list 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
+# list push "dhcp-option DNS 10.8.0.1"
+# list push "dhcp-option WINS 10.8.0.1"
+
+ # 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.
+# option client_to_client 1
+
+ # 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.
+# option duplicate_cn 1
+
+ # 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.
+ option 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.
+ # This file is secret:
+# option tls_auth "ta.key 0"
+
+ # Select a cryptographic cipher.
+ # This config item must be copied to
+ # the client config file as well.
+ # Blowfish (default):
+# option cipher BF-CBC
+ # AES:
+# option cipher AES-128-CBC
+ # Triple-DES:
+# option cipher DES-EDE3-CBC
+
+ # Enable compression on the VPN link.
+ # If you enable it here, you must also
+ # enable it in the client config file.
+ option comp_lzo 1
+
+ # The maximum number of concurrently connected
+ # clients we want to allow.
+# option max_clients 100
+
+ # The persist options will try to avoid
+ # accessing certain resources on restart
+ # that may no longer be accessible because
+ # of the privilege downgrade.
+ option persist_key 1
+ option persist_tun 1
+
+ # Output a short status file showing
+ # current connections, truncated
+ # and rewritten every minute.
+ option status openvpn-status.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).
+# option log openvpn.log
+# option log_append openvpn.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
+ option verb 3
+
+ # Silence repeating messages. At most 20
+ # sequential messages of the same message
+ # category will be output to the log.
+# option mute 20
+
+
+##############################################
+# Sample client-side OpenVPN 2.0 config file #
+# for connecting to multi-client server. #
+##############################################
+
+config openvpn sample_client
+
+ # Set to 1 to enable this instance:
+ option enable 0
+
+ # Specify that we are a client and that we
+ # will be pulling certain config file directives
+ # from the server.
+ option client 1
+
+ # Use the same setting as you are using on
+ # the server.
+ # On most systems, the VPN will not function
+ # unless you partially or fully disable
+ # the firewall for the TUN/TAP interface.
+# option dev tap
+ option dev tun
+
+ # Are we connecting to a TCP or
+ # UDP server? Use the same setting as
+ # on the server.
+# option proto tcp
+ option proto udp
+
+ # The hostname/IP and port of the server.
+ # You can have multiple remote entries
+ # to load balance between the servers.
+ list remote "my_server_1 1194"
+# list remote "my_server_2 1194"
+
+ # Choose a random host from the remote
+ # list for load_balancing. Otherwise
+ # try hosts in the order specified.
+# option remote_random 1
+
+ # Keep trying indefinitely to resolve the
+ # host name of the OpenVPN server. Very useful
+ # on machines which are not permanently connected
+ # to the internet such as laptops.
+ option resolv_retry infinite
+
+ # Most clients don't need to bind to
+ # a specific local port number.
+ option nobind 1
+
+ # Try to preserve some state across restarts.
+ option persist_key 1
+ option persist_tun 1
+
+ # If you are connecting through an
+ # HTTP proxy to reach the actual OpenVPN
+ # server, put the proxy server/IP and
+ # port number here. See the man page
+ # if your proxy server requires
+ # authentication.
+ # retry on connection failures:
+# option http_proxy_retry 1
+ # specify http proxy address and port:
+# option http_proxy "192.168.1.100 8080"
+
+ # Wireless networks often produce a lot
+ # of duplicate packets. Set this flag
+ # to silence duplicate packet warnings.
+# option mute_replay_warnings 1
+
+ # SSL/TLS parms.
+ # See the server config file for more
+ # description. It's best to use
+ # a separate .crt/.key file pair
+ # for each client. A single ca
+ # file can be used for all clients.
+ option ca ca.crt
+ option cert client.crt
+ option key client.key
+
+ # Verify server certificate by checking
+ # that the certicate has the nsCertType
+ # field set to "server". This is an
+ # important precaution to protect against
+ # a potential attack discussed here:
+ # http://openvpn.net/howto.html#mitm
+ #
+ # To use this feature, you will need to generate
+ # your server certificates with the nsCertType
+ # field set to "server". The build_key_server
+ # script in the easy_rsa folder will do this.
+# option ns_cert_type server
+
+ # If a tls_auth key is used on the server
+ # then every client must also have the key.
+# option tls_auth "ta.key 1"
+
+ # Select a cryptographic cipher.
+ # If the cipher option is used on the server
+ # then you must also specify it here.
+# option cipher x
+
+ # Enable compression on the VPN link.
+ # Don't enable this unless it is also
+ # enabled in the server config file.
+ option comp_lzo 1
+
+ # Set log file verbosity.
+ option verb 3
+
+ # Silence repeating messages
+# option mute 20
#!/bin/sh /etc/rc.common
-# Copyright (C) 2007 OpenWrt.org
+# OpenVPN init script
+# Copyright (C) 2008 Jo-Philipp Wich
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+# $Id$
-START=70
-BIN=openvpn
-DEFAULT=/etc/default/$BIN
-RUN_D=/var/run
-PID_F=$RUN_D/$BIN.pid
+START=95
+BIN=/usr/sbin/openvpn
+SSD=start-stop-daemon
+
+LIST_SEP="
+"
+
+append_param() {
+ local v="$1"
+ case "$v" in
+ *_*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
+ *_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
+ *_*) v=${v%%_*}-${v#*_} ;;
+ esac
+ ARGS="$ARGS --$v"
+ return 0
+}
+
+append_bools() {
+ local p; local v; local s="$1"; shift
+ for p in $*; do
+ config_get_bool v "$s" "$p"
+ [ "$v" == 1 ] && append_param "$p"
+ done
+}
+
+append_params() {
+ local p; local v; local s="$1"; shift
+ for p in $*; do
+ config_get v "$s" "$p"
+ IFS="$LIST_SEP"
+ for v in $v; do
+ [ -n "$v" ] && append_param "$p" && ARGS="$ARGS $v"
+ done
+ unset IFS
+ done
+}
+
+append_params_quoted() {
+ local p; local v; local s="$1"; shift
+ for p in $*; do
+ config_get v "$s" "$p"
+ IFS="$LIST_SEP"
+ for v in $v; do
+ [ -n "$v" ] && append_param "$p" && ARGS="$ARGS '$v'"
+ done
+ unset IFS
+ done
+}
+
+start_service() {
+ local s="$1"
+ local enable=0
+
+ # disabled?
+ config_get_bool enable "$s" enable 0
+ [ "$enable" == 0 ] && return 0
+
+ PID="/var/run/openvpn-$s.pid"
+ ARGS=""
+
+ # append flags
+ append_bools "$s" \
+ auth_nocache ccd_exclusive client client_cert_not_required \
+ client_disconnect client_to_client comp_lzo comp_noadapt disable \
+ disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
+ ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_hold \
+ management_query_passwords mktun mlock mtu_test mute_replay_warnings \
+ nobind no_iv no_replay passtos persist_key persist_local_ip \
+ persist_remote_ip persist_tun ping_timer_rem pull push_reset \
+ remote_random rmtun route_noexec single_session socks_proxy_retry \
+ suppress_timestamps test_crypto tls_client tls_exit tls_server \
+ tun_ipv6 up_delay up_restart username_as_common_name
+
+ # append params
+ append_params "$s" \
+ auth auth_user_pass auth_user_pass_verify bcast_buffers ca cd cert \
+ chroot cipher client_config_dir client_connect config connect_freq \
+ connect_retry crl_verify cryptoapicert dev dev_node dev_type dh down \
+ echo engine explicit_exit_notify fragment group hand_window hash_size \
+ http_proxy http_proxy_option http_proxy_timeout ifconfig ifconfig_pool \
+ ifconfig_pool_persist ifconfig_push inactive ipchange iroute keepalive \
+ key key_method keysize learn_address link_mtu local log log_append \
+ lport management management_log_cache max_clients \
+ max_routes_per_client mode mssfix mtu_disc mute nice ns_cert_type ping \
+ ping_exit ping_restart pkcs12 plugin port proto rcvbuf \
+ redirect_gateway remap_usr1 remote reneg_bytes reneg_pkts reneg_sec \
+ replay_persist replay_window resolv_retry route route_delay \
+ route_gateway route_up rport server server_bridge setenv shaper sndbuf \
+ socks_proxy status status_version syslog tcp_queue_limit tls_auth \
+ tls_cipher tls_remote tls_timeout tls_verify tmp_dir tran_window \
+ tun_mtu tun_mtu_extra txqueuelen up user verb
+
+ # append multi-value params
+ append_params_quoted "$s" \
+ push
+
+
+ [ -n "$ARGS" ] && \
+ eval "$SSD -q -b -m -p $PID -x $BIN -S -- --syslog 'openvpn($s)' $ARGS"
+}
+
+kill_service() {
+ local s="$1"
+ local S="${2:-TERM}"
+ local enable=0
+
+ # disabled?
+ config_get_bool enable "$s" enable 0
+ [ "$enable" == 0 ] && return 0
+
+ PID="/var/run/openvpn-$s.pid"
+
+ $SSD -q -p $PID -x $BIN -K -s $S
+}
+
+hup_service() { kill_service "$1" HUP; }
+stop_service() { kill_service "$1" TERM; }
start() {
- [ -f $DEFAULT ] && . $DEFAULT
- mkdir -p $RUN_D
- $BIN --writepid $RUN_D/$BIN.pid --daemon $OPTIONS
+ config_load openvpn
+ config_foreach start_service openvpn
}
stop() {
- [ -f $PID_F ] && kill $(cat $PID_F)
+ config_load openvpn
+ config_foreach stop_service openvpn
+}
+
+reload() {
+ config_load openvpn
+ config_foreach hup_service openvpn
+}
+
+restart() {
+ stop; sleep 5; start
}
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