-- Copyright 2008 Steven Barth -- Licensed to the public under the Apache License 2.0. local fs = require("nixio.fs") local knownParams = { -- --Widget -- ID -- Display name -- Default(s) -- Description -- Option(s) { "service", translate("Service"), { -- initialisation and daemon options { ListValue, "verb", { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }, translate("Set output verbosity") }, { Flag, "mlock", 0, translate("Disable Paging") }, { Flag, "disable_occ", 0, translate("Disable options consistency check") }, -- { Value, -- "user", -- "root", -- translate("Set UID to user") }, -- { Value, -- "group", -- "root", -- translate("Set GID to group") }, { Value, "cd", "/etc/openvpn", translate("Change to directory before initialization") }, { Value, "chroot", "/var/run", translate("Chroot to directory after initialization") }, -- { Value, -- "daemon", -- "Instance-Name", -- translate("Daemonize after initialization") }, -- { Value, -- "syslog", -- "Instance-Name", -- translate("Output to syslog and do not daemonize") }, { Flag, "passtos", 0, translate("TOS passthrough (applies to IPv4 only)") }, -- { Value, -- "inetd", -- "nowait Instance-Name", -- translate("Run as an inetd or xinetd server") }, { Value, "log", "/var/log/openvpn.log", translate("Write log to file") }, { Value, "log_append", "/var/log/openvpn.log", translate("Append log to file") }, { Flag, "suppress_timestamps", 0, translate("Don't log timestamps") }, -- { Value, -- "writepid", -- "/var/run/openvpn.pid", -- translate("Write process ID to file") }, { Value, "nice", 0, translate("Change process priority") }, { Flag, "fast_io", 0, translate("Optimize TUN/TAP/UDP writes") }, { Value, "echo", "some params echoed to log", translate("Echo parameters to log") }, { ListValue, "remap_usr1", { "SIGHUP", "SIGTERM" }, translate("Remap SIGUSR1 signals") }, { Value, "status", "/var/run/openvpn.status 5", translate("Write status to file every n seconds") }, { Value, "status_version", { 1, 2 }, translate("Status file format version") }, -- status { Value, "mute", 5, translate("Limit repeated log messages") }, { Value, "up", "/usr/bin/ovpn-up", translate("Shell cmd to execute after tun device open") }, { Value, "up_delay", 5, translate("Delay tun/tap open and up script execution") }, { Value, "down", "/usr/bin/ovpn-down", translate("Shell cmd to run after tun device close") }, { Flag, "down_pre", 0, translate("Call down cmd/script before TUN/TAP close") }, { Flag, "up_restart", 0, translate("Run up/down scripts for all restarts") }, { Value, "route_up", "/usr/bin/ovpn-routeup", translate("Execute shell cmd after routes are added") }, { Value, "ipchange", "/usr/bin/ovpn-ipchange", translate("Execute shell command on remote IP change"), { mode="p2p" } }, { DynamicList, "setenv", { "VAR1 value1", "VAR2 value2" }, translate("Pass environment variables to script") }, { Value, "tls_verify", "/usr/bin/ovpn-tlsverify", translate("Shell command to verify X509 name") }, { Value, "client_connect", "/usr/bin/ovpn-clientconnect", translate("Run script cmd on client connection") }, { Value, "client_disconnect", "/usr/bin/ovpn-clientdisconnect", translate("Run script cmd on client disconnection") }, { Value, "learn_address", "/usr/bin/ovpn-learnaddress", translate("Executed in server mode whenever an IPv4 address/route or MAC address is added to OpenVPN's internal routing table") }, { Value, "auth_user_pass_verify", "/usr/bin/ovpn-userpass via-env", translate("Executed in server mode on new client connections, when the client is still untrusted") }, { ListValue, "script_security", { 0, 1, 2, 3 }, translate("Policy level over usage of external programs and scripts") }, { ListValue, "compress", { "frames_only", "lzo", "lz4", "stub-v2"}, translate("Security recommendation: It is recommended to not enable compression and set this parameter to `stub-v2`") }, } }, { "networking", translate("Networking"), { -- socket config { ListValue, "mode", { "p2p", "server" }, translate("Major mode") }, { Value, "local", "0.0.0.0", translate("Local host name or IP address") }, { Value, "port", 1194, translate("TCP/UDP port # for both local and remote") }, { Value, "lport", 1194, translate("TCP/UDP port # for local (default=1194)") }, { Value, "rport", 1194, translate("TCP/UDP port # for remote (default=1194)") }, { ListValue, "proto", { "udp", "tcp-client", "tcp-server" }, translate("Use protocol") }, { Flag, "float", 0, translate("Allow remote to change its IP or port") }, { Flag, "nobind", 0, translate("Do not bind to local address and port") }, { Flag, "multihome", 0, translate("When you have more than one IP address (e.g. multiple interfaces, or secondary IP addresses), and do not use --local to force binding to one specific address only") }, { Value, "dev", "tun0", translate("tun/tap device") }, { ListValue, "dev_type", { "tun", "tap" }, translate("Type of used device") }, { Value, "dev_node", "/dev/net/tun", translate("Use tun/tap device node") }, { Value, "ifconfig", "10.200.200.3 10.200.200.1", translate("Set tun/tap adapter parameters") }, { Flag, "ifconfig_noexec", 0, translate("Don't actually execute ifconfig") }, { Flag, "ifconfig_nowarn", 0, translate("Don't warn on ifconfig inconsistencies") }, { DynamicList, "route", "10.123.0.0 255.255.0.0", translate("Add route after establishing connection") }, { Value, "route_gateway", "10.234.1.1", translate("Specify a default gateway for routes") }, { Value, "route_delay", 0, translate("Delay n seconds after connection") }, { Flag, "route_noexec", 0, translate("Don't add routes automatically") }, { Flag, "route_nopull", 0, translate("Don't pull routes automatically") }, { Flag, "allow_recursive_routing", 0, translate("Don't drop incoming tun packets with same destination as host") }, { ListValue, "mtu_disc", { "yes", "maybe", "no" }, translate("Enable Path MTU discovery") }, { Flag, "mtu_test", 0, translate("Empirically measure MTU") }, { ListValue, "comp_lzo", { "yes", "no", "adaptive" }, translate("Security recommendation: It is recommended to not enable compression and set this parameter to `no`")}, { Flag, "comp_noadapt", 0, translate("Don't use adaptive lzo compression"), { comp_lzo=1 } }, { Value, "link_mtu", 1500, translate("Set TCP/UDP MTU") }, { Value, "tun_mtu", 1500, translate("Set tun/tap device MTU") }, { Value, "tun_mtu_extra", 1500, translate("Set tun/tap device overhead") }, { Value, "fragment", 1500, translate("Enable internal datagram fragmentation"), { proto="udp" } }, { Value, "mssfix", 1450, translate("Set upper bound on TCP MSS"), { proto="udp" } }, { Value, "sndbuf", 65536, translate("Set the TCP/UDP send buffer size") }, { Value, "rcvbuf", 65536, translate("Set the TCP/UDP receive buffer size") }, { Value, "txqueuelen", 100, translate("Set tun/tap TX queue length") }, { Value, "shaper", 10240, translate("Shaping for peer bandwidth") }, { Value, "inactive", 240, translate("tun/tap inactivity timeout") }, { Value, "keepalive", "10 60", translate("Helper directive to simplify the expression of --ping and --ping-restart in server mode configurations") }, { Value, "ping", 30, translate("Ping remote every n seconds over TCP/UDP port") }, { Value, "ping_exit", 120, translate("Remote ping timeout") }, { Value, "ping_restart", 60, translate("Restart after remote ping timeout") }, { Flag, "ping_timer_rem", 0, translate("Only process ping timeouts if routes exist") }, { Flag, "persist_tun", 0, translate("Keep tun/tap device open on restart") }, { Flag, "persist_key", 0, translate("Don't re-read key on restart") }, { Flag, "persist_local_ip", 0, translate("Keep local IP address on restart") }, { Flag, "persist_remote_ip", 0, translate("Keep remote IP address on restart") }, -- management channel { Value, "management", "127.0.0.1 31194 /etc/openvpn/mngmt-pwds", translate("Enable management interface on IP port") }, -- management { Flag, "management_query_passwords", 0, translate("Query management channel for private key") }, -- management { Flag, "management_hold", 0, translate("Start OpenVPN in a hibernating state") }, -- management { Value, "management_log_cache", 100, translate("Number of lines for log file history") }, { ListValue, "topology", { "net30", "p2p", "subnet" }, translate("'net30', 'p2p', or 'subnet'"), {dev_type="tun" } }, { Flag, "disable_dco", 0, translate("Disable Data Channel Offloading (DCO) support") }, } }, { "vpn", translate("VPN"), { { Value, "server", "10.200.200.0 255.255.255.0", translate("Configure server mode"), { client="0" }, { client="" } }, { Value, "server_bridge", "10.200.200.1 255.255.255.0 10.200.200.200 10.200.200.250", translate("Configure server bridge"), { client="0" }, { client="" } }, { DynamicList, "push", { "redirect-gateway", "comp-lzo" }, translate("Push options to peer"), { client="0" }, { client="" } }, { Flag, "push_reset", 0, translate("Don't inherit global push options"), { client="0" }, { client="" } }, { Flag, "disable", 0, translate("Client is disabled"), { client="0" }, { client="" } }, { Value, "ifconfig_pool", "10.200.200.100 10.200.200.150 255.255.255.0", translate("Set aside a pool of subnets"), { client="0" }, { client="" } }, { Value, "ifconfig_pool_persist", "/etc/openvpn/ipp.txt 600", translate("Persist/unpersist ifconfig-pool"), { client="0" }, { client="" } }, { Value, "ifconfig_push", "10.200.200.1 255.255.255.255", translate("Push an ifconfig option to remote"), { client="0" }, { client="" } }, { Value, "iroute", "10.200.200.0 255.255.255.0", translate("Route subnet to client"), { client="0" }, { client="" } }, { Flag, "client_to_client", 0, translate("Allow client-to-client traffic"), { client="0" }, { client="" } }, { Flag, "duplicate_cn", 0, translate("Allow multiple clients with same certificate"), { client="0" }, { client="" } }, { Value, "client_config_dir", "/etc/openvpn/ccd", translate("Directory for custom client config files"), { client="0" }, { client="" } }, { Flag, "ccd_exclusive", 0, translate("Refuse connection if no custom client config"), { client="0" }, { client="" } }, { Value, "tmp_dir", "/var/run/openvpn", translate("Temporary directory for client-connect return file"), { client="0" }, { client="" } }, { Value, "hash_size", "256 256", translate("Set size of real and virtual address hash tables"), { client="0" }, { client="" } }, { Value, "bcast_buffers", 256, translate("Number of allocated broadcast buffers"), { client="0" }, { client="" } }, { Value, "tcp_queue_limit", 64, translate("Maximum number of queued TCP output packets"), { client="0" }, { client="" } }, { Value, "max_clients", 10, translate("Allowed maximum of connected clients"), { client="0" }, { client="" } }, { Value, "max_routes_per_client", 256, translate("Allowed maximum of internal"), { client="0" }, { client="" } }, { Value, "connect_freq", "3 10", translate("Allowed maximum of new connections"), { client="0" }, { client="" } }, { Flag, "username_as_common_name", 0, translate("Use username as common name"), { client="0" }, { client="" } }, { Flag, "client", 0, translate("Configure client mode") }, { Flag, "pull", 0, translate("Accept options pushed from server"), { client="1" } }, { FileUpload, "auth_user_pass", "/etc/openvpn/userpass.txt", translate("Authenticate using username/password"), { client="1" } }, { ListValue, "auth_retry", { "none", "nointeract", "interact" }, translate("Handling of authentication failures"), { client="1" } }, { Value, "explicit_exit_notify", 1, translate("Send notification to peer on disconnect"), { client="1" } }, { DynamicList, "remote", "1.2.3.4", translate("Remote host name or IP address") }, { Flag, "remote_random", 0, translate("Randomly choose remote server"), { client="1" } }, { Value, "connect_retry", 5, translate("Connection retry interval"), { proto="tcp-client" }, { client="1" } }, { Value, "http_proxy", "192.168.1.100 8080", translate("Connect to remote host through an HTTP proxy"), { client="1" } }, { Flag, "http_proxy_retry", 0, translate("Retry indefinitely on HTTP proxy errors"), { client="1" } }, { Value, "http_proxy_timeout", 5, translate("Proxy timeout in seconds"), { client="1" } }, { DynamicList, "http_proxy_option", { "VERSION 1.0", "AGENT OpenVPN/2.0.9" }, translate("Set extended HTTP proxy options"), { client="1" } }, { Value, "socks_proxy", "192.168.1.200 1080", translate("Connect through Socks5 proxy"), { client="1" } }, -- client && socks_proxy { Value, "socks_proxy_retry", 5, translate("Retry indefinitely on Socks proxy errors"), { client="1" } }, { Value, "resolv_retry", "infinite", translate("If hostname resolve fails, retry"), { client="1" } }, { ListValue, "redirect_gateway", { "", "local", "def1", "local def1" }, translate("Automatically redirect default route"), { client="1" } }, { Value, "verify_client_cert", { "none", "optional", "require" }, translate("Specify whether the client is required to supply a valid certificate") }, } }, { "cryptography", translate("Cryptography"), { { FileUpload, "secret", "/etc/openvpn/secret.key", translate("Enable Static Key encryption mode (non-TLS)") }, -- parse { Value, "auth", "SHA1", translate("HMAC authentication for packets") }, -- parse { Value, "cipher", { "AES-128-CBC", "AES-128-CFB", "AES-128-CFB1", "AES-128-CFB8", "AES-128-GCM", "AES-128-OFB", "AES-192-CBC", "AES-192-CFB", "AES-192-CFB1", "AES-192-CFB8", "AES-192-GCM", "AES-192-OFB", "AES-256-CBC", "AES-256-CFB", "AES-256-CFB1", "AES-256-CFB8", "AES-256-GCM", "AES-256-OFB", "BF-CBC", "BF-CFB", "BF-OFB", "CAST5-CBC", "CAST5-CFB", "CAST5-OFB", "DES-CBC", "DES-CFB", "DES-CFB1", "DES-CFB8", "DES-EDE-CBC", "DES-EDE-CFB", "DES-EDE-OFB", "DES-EDE3-CBC", "DES-EDE3-CFB", "DES-EDE3-CFB1", "DES-EDE3-CFB8", "DES-EDE3-OFB", "DES-OFB", "DESX-CBC", "RC2-40-CBC", "RC2-64-CBC", "RC2-CBC", "RC2-CFB", "RC2-OFB" }, translate("Encryption cipher for packets") }, -- parse { Value, "keysize", 1024, translate("Size of cipher key") }, -- parse { Value, "engine", "dynamic", translate("Enable OpenSSL hardware crypto engines") }, { Value, "replay_window", "64 15", translate("Replay protection sliding window size") }, { Flag, "mute_replay_warnings", 0, translate("Silence the output of replay warnings") }, { Value, "replay_persist", "/var/run/openvpn-replay-state", translate("Persist replay-protection state") }, { Flag, "tls_server", 0, translate("Enable TLS and assume server role"), { tls_client="" }, { tls_client="0" } }, { Flag, "tls_client", 0, translate("Enable TLS and assume client role"), { tls_server="" }, { tls_server="0" } }, { FileUpload, "ca", "/etc/easy-rsa/keys/ca.crt", translate("Certificate authority") }, { FileUpload, "dh", "/etc/easy-rsa/keys/dh1024.pem", translate("Diffie-Hellman parameters") }, { FileUpload, "cert", "/etc/easy-rsa/keys/some-client.crt", translate("Local certificate") }, { FileUpload, "key", "/etc/easy-rsa/keys/some-client.key", translate("Local private key") }, { FileUpload, "pkcs12", "/etc/easy-rsa/keys/some-client.pk12", translate("PKCS#12 file containing keys") }, { ListValue, "key_method", { 1, 2 }, translate("Enable TLS and assume client role") }, { DynamicList, "tls_cipher", { "TLS-ECDHE-ECDSA-WITH-AES-256-GCM-SHA384", "TLS-ECDHE-RSA-WITH-AES-256-GCM-SHA384", "TLS-DHE-RSA-WITH-AES-256-GCM-SHA384", "TLS-ECDHE-ECDSA-WITH-CHACHA20-POLY1305-SHA256", "TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256", "TLS-DHE-RSA-WITH-CHACHA20-POLY1305-SHA256", "TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256", "TLS-ECDHE-RSA-WITH-AES-128-GCM-SHA256", "TLS-DHE-RSA-WITH-AES-128-GCM-SHA256", "TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA384", "TLS-ECDHE-RSA-WITH-AES-256-CBC-SHA384", "TLS-DHE-RSA-WITH-AES-256-CBC-SHA256", "TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA256", "TLS-ECDHE-RSA-WITH-AES-128-CBC-SHA256", "TLS-DHE-RSA-WITH-AES-128-CBC-SHA256", "TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA", "TLS-ECDHE-RSA-WITH-AES-256-CBC-SHA", "TLS-DHE-RSA-WITH-AES-256-CBC-SHA", "TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA", "TLS-ECDHE-RSA-WITH-AES-128-CBC-SHA", "TLS-DHE-RSA-WITH-AES-128-CBC-SHA" }, translate("TLS cipher") }, { DynamicList, "tls_ciphersuites", { "TLS_AES_256_GCM_SHA384", "TLS_AES_128_GCM_SHA256", "TLS_CHACHA20_POLY1305_SHA256" }, translate("TLS 1.3 or newer cipher") }, { Value, "tls_timeout", 2, translate("Retransmit timeout on TLS control channel") }, { Value, "reneg_bytes", 1024, translate("Renegotiate data chan. key after bytes") }, { Value, "reneg_pkts", 100, translate("Renegotiate data chan. key after packets") }, { Value, "reneg_sec", 3600, translate("Renegotiate data chan. key after seconds") }, { Value, "hand_window", 60, translate("Timeframe for key exchange") }, { Value, "tran_window", 3600, translate("Key transition window") }, { Flag, "single_session", 0, translate("Allow only one session") }, { Flag, "tls_exit", 0, translate("Exit on TLS negotiation failure") }, { Value, "tls_auth", "/etc/openvpn/tlsauth.key", translate("Additional authentication over TLS") }, { Value, "tls_crypt", "/etc/openvpn/tlscrypt.key", translate("Encrypt and authenticate all control channel packets with the key") }, { Value, "tls_crypt_v2", "/etc/openvpn/servertlscryptv2.key", translate("Encrypt and authenticate all control channel packets with the key, version 2.") }, -- { Value, -- "askpass", -- "[file]", -- translate("Get PEM password from controlling tty before we daemonize") }, { Flag, "auth_nocache", 0, translate("Don't cache --askpass or --auth-user-pass passwords") }, { Value, "tls_remote", "remote_x509_name", translate("Only accept connections from given X509 name") }, { ListValue, "ns_cert_type", { "client", "server" }, translate("Require explicit designation on certificate") }, { ListValue, "remote_cert_tls", { "client", "server" }, translate("Require explicit key usage on certificate") }, { Value, "crl_verify", "/etc/easy-rsa/keys/crl.pem", translate("Check peer certificate against a CRL") }, { Value, "tls_version_min", "1.0", translate("The lowest supported TLS version") }, { Value, "tls_version_max", "1.2", translate("The highest supported TLS version") }, { ListValue, "key_direction", { 0, 1 }, translate("The key direction for 'tls-auth' and 'secret' options") }, { Flag, "ncp_disable", 0, translate("This completely disables cipher negotiation") }, { DynamicList, "ncp_ciphers", { "AES-256-GCM", "AES-128-GCM" }, translate("Restrict the allowed ciphers to be negotiated") }, { DynamicList, "data_ciphers", { "CHACHA20-POLY1305", "AES-256-GCM", "AES-128-GCM", "AES-256-CBC" }, translate("Restrict the allowed ciphers to be negotiated") }, } } } local cts = { } local params = { } local title = "" local m = Map("openvpn") m.redirect = luci.dispatcher.build_url("admin", "vpn", "openvpn") m.apply_on_parse = true local p = m:section( SimpleSection ) p.template = "openvpn/pageswitch" p.mode = "advanced" p.instance = arg[1] p.category = arg[2] or knownParams[1][1] for _, c in ipairs(knownParams) do cts[#cts+1] = { id = c[1], title = c[2] } if c[1] == p.category then title = c[2] params = c[3] end end p.categories = cts local s = m:section( NamedSection, arg[1], "openvpn", title ) s.addremove = false s.anonymous = true for _, option in ipairs(params) do local o = s:option( option[1], option[2], option[2], option[4] ) o.optional = true if option[1] == DummyValue then o.value = option[3] elseif option[1] == FileUpload then o.initial_directory = "/etc/openvpn" function o.cfgvalue(self, section) local cfg_val = AbstractValue.cfgvalue(self, section) if cfg_val then return cfg_val end end function o.formvalue(self, section) local sel_val = AbstractValue.formvalue(self, section) local txt_val = luci.http.formvalue("cbid."..self.map.config.."."..section.."."..self.option..".textbox") if sel_val and sel_val ~= "" then return sel_val end if txt_val and txt_val ~= "" then return txt_val end end function o.remove(self, section) local cfg_val = AbstractValue.cfgvalue(self, section) local txt_val = luci.http.formvalue("cbid."..self.map.config.."."..section.."."..self.option..".textbox") if cfg_val and fs.access(cfg_val) and txt_val == "" then fs.unlink(cfg_val) end return AbstractValue.remove(self, section) end elseif option[1] == Flag then o.default = nil else if option[1] == DynamicList then function o.cfgvalue(...) local val = AbstractValue.cfgvalue(...) return ( val and type(val) ~= "table" ) and { val } or val end end if type(option[3]) == "table" then if o.optional then o:value("", "-- remove --") end for _, v in ipairs(option[3]) do v = tostring(v) o:value(v) end o.default = tostring(option[3][1]) else o.default = tostring(option[3]) end end for i=5,#option do if type(option[i]) == "table" then o:depends(option[i]) end end end return m