diff options
Diffstat (limited to 'applications/luci-openvpn/root/etc')
| -rw-r--r-- | applications/luci-openvpn/root/etc/config/openvpn | 383 | ||||
| -rw-r--r-- | applications/luci-openvpn/root/etc/init.d/openvpn | 144 |
2 files changed, 527 insertions, 0 deletions
diff --git a/applications/luci-openvpn/root/etc/config/openvpn b/applications/luci-openvpn/root/etc/config/openvpn new file mode 100644 index 0000000000..9831ad15a1 --- /dev/null +++ b/applications/luci-openvpn/root/etc/config/openvpn @@ -0,0 +1,383 @@ +################################################# +# 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 diff --git a/applications/luci-openvpn/root/etc/init.d/openvpn b/applications/luci-openvpn/root/etc/init.d/openvpn new file mode 100644 index 0000000000..baa683ff49 --- /dev/null +++ b/applications/luci-openvpn/root/etc/init.d/openvpn @@ -0,0 +1,144 @@ +#!/bin/sh /etc/rc.common +# 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=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() { + config_load openvpn + config_foreach start_service openvpn +} + +stop() { + config_load openvpn + config_foreach stop_service openvpn +} + +reload() { + config_load openvpn + config_foreach hup_service openvpn +} + +restart() { + stop; sleep 5; start +} |