applications/luci-app-openvpn/luasrc/model/cbi/openvpn-advanced.lua

   1 -- Copyright 2008 Steven Barth <steven@midlink.org>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 local fs = require("nixio.fs")
   5
   6 local knownParams = {
   7         --
   8         --Widget
   9         --      Name
  10         --      Default(s)
  11         --      Description
  12         --      Option(s)
  13
  14         { "Service", {
  15         -- initialisation and daemon options
  16                 { ListValue,
  17                         "verb",
  18                         { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 },
  19                         translate("Set output verbosity") },
  20                 { Flag,
  21                         "mlock",
  22                         0,
  23                         translate("Disable Paging") },
  24                 { Flag,
  25                         "disable_occ",
  26                         0,
  27                         translate("Disable options consistency check") },
  28         --      { Value,
  29         --              "user",
  30         --              "root",
  31         --              translate("Set UID to user") },
  32         --      { Value,
  33         --              "group",
  34         --              "root",
  35         --              translate("Set GID to group") },
  36                 { Value,
  37                         "cd",
  38                         "/etc/openvpn",
  39                         translate("Change to directory before initialization") },
  40                 { Value,
  41                         "chroot",
  42                         "/var/run",
  43                         translate("Chroot to directory after initialization") },
  44         --      { Value,
  45         --              "daemon",
  46         --              "Instance-Name",
  47         --              translate("Daemonize after initialization") },
  48         --      { Value,
  49         --              "syslog",
  50         --              "Instance-Name",
  51         --              translate("Output to syslog and do not daemonize") },
  52                 { Flag,
  53                         "passtos",
  54                         0,
  55                         translate("TOS passthrough (applies to IPv4 only)") },
  56         --      { Value,
  57         --              "inetd",
  58         --              "nowait Instance-Name",
  59         --              translate("Run as an inetd or xinetd server") },
  60                 { Value,
  61                         "log",
  62                         "/var/log/openvpn.log",
  63                         translate("Write log to file") },
  64                 { Value,
  65                         "log_append",
  66                         "/var/log/openvpn.log",
  67                         translate("Append log to file") },
  68                 { Flag,
  69                         "suppress_timestamps",
  70                         0,
  71                         translate("Don't log timestamps") },
  72         --      { Value,
  73         --              "writepid",
  74         --              "/var/run/openvpn.pid",
  75         --              translate("Write process ID to file") },
  76                 { Value,
  77                         "nice",
  78                         0,
  79                         translate("Change process priority") },
  80                 { Flag,
  81                         "fast_io",
  82                         0,
  83                         translate("Optimize TUN/TAP/UDP writes") },
  84                 { Value,
  85                         "echo",
  86                         "some params echoed to log",
  87                         translate("Echo parameters to log") },
  88                 { ListValue,
  89                         "remap_usr1",
  90                         { "SIGHUP", "SIGTERM" },
  91                         translate("Remap SIGUSR1 signals") },
  92                 { Value,
  93                         "status",
  94                         "/var/run/openvpn.status 5",
  95                         translate("Write status to file every n seconds") },
  96                 { Value,
  97                         "status_version",
  98                         { 1, 2 },
  99                         translate("Status file format version") },      -- status
 100                 { Value,
 101                         "mute",
 102                         5,
 103                         translate("Limit repeated log messages") },
 104                 { Value,
 105                         "up",
 106                         "/usr/bin/ovpn-up",
 107                         translate("Shell cmd to execute after tun device open") },
 108                 { Value,
 109                         "up_delay",
 110                         5,
 111                         translate("Delay tun/tap open and up script execution") },
 112                 { Value,
 113                         "down",
 114                         "/usr/bin/ovpn-down",
 115                         translate("Shell cmd to run after tun device close") },
 116                 { Flag,
 117                         "down_pre",
 118                         0,
 119                         translate("Call down cmd/script before TUN/TAP close") },
 120                 { Flag,
 121                         "up_restart",
 122                         0,
 123                         translate("Run up/down scripts for all restarts") },
 124                 { Value,
 125                         "route_up",
 126                         "/usr/bin/ovpn-routeup",
 127                         translate("Execute shell cmd after routes are added") },
 128                 { Value,
 129                         "ipchange",
 130                         "/usr/bin/ovpn-ipchange",
 131                         translate("Execute shell command on remote ip change"),
 132                         { mode="p2p" } },
 133                 { DynamicList,
 134                         "setenv",
 135                         { "VAR1 value1", "VAR2 value2" },
 136                         translate("Pass environment variables to script") },
 137                 { Value,
 138                         "tls_verify",
 139                         "/usr/bin/ovpn-tlsverify",
 140                         translate("Shell command to verify X509 name") },
 141                 { Value,
 142                         "client_connect",
 143                         "/usr/bin/ovpn-clientconnect",
 144                         translate("Run script cmd on client connection") },
 145                 { Value,
 146                         "client_disconnect",
 147                         "/usr/bin/ovpn-clientdisconnect",
 148                         translate("Run script cmd on client disconnection") },
 149                 { Value,
 150                         "learn_address",
 151                         "/usr/bin/ovpn-learnaddress",
 152                         translate("Executed in server mode whenever an IPv4 address/route or MAC address is added to OpenVPN's internal routing table") },
 153                 { Value,
 154                         "auth_user_pass_verify",
 155                         "/usr/bin/ovpn-userpass via-env",
 156                         translate("Executed in server mode on new client connections, when the client is still untrusted") },
 157                 { ListValue,
 158                         "script_security",
 159                         { 0, 1, 2, 3 },
 160                         translate("Policy level over usage of external programs and scripts") },
 161                 { ListValue,
 162                         "compress",
 163                         { "lzo", "lz4" },
 164                         translate("Enable a compression algorithm") },
 165         } },
 166
 167         { "Networking", {
 168         -- socket config
 169                 { ListValue,
 170                         "mode",
 171                         { "p2p", "server" },
 172                         translate("Major mode") },
 173                 { Value,
 174                         "local",
 175                         "0.0.0.0",
 176                         translate("Local host name or ip address") },
 177                 { Value,
 178                         "port",
 179                         1194,
 180                         translate("TCP/UDP port # for both local and remote") },
 181                 { Value,
 182                         "lport",
 183                         1194,
 184                         translate("TCP/UDP port # for local (default=1194)") },
 185                 { Value,
 186                         "rport",
 187                         1194,
 188                         translate("TCP/UDP port # for remote (default=1194)") },
 189                 { Flag,
 190                         "float",
 191                         0,
 192                         translate("Allow remote to change its IP or port") },
 193                 { Flag,
 194                         "nobind",
 195                         0,
 196                         translate("Do not bind to local address and port") },
 197                 { Value,
 198                         "dev",
 199                         "tun0",
 200                         translate("tun/tap device") },
 201                 { ListValue,
 202                         "dev_type",
 203                         { "tun", "tap" },
 204                         translate("Type of used device") },
 205                 { Value,
 206                         "dev_node",
 207                         "/dev/net/tun",
 208                         translate("Use tun/tap device node") },
 209                 { Value,
 210                         "ifconfig",
 211                         "10.200.200.3 10.200.200.1",
 212                         translate("Set tun/tap adapter parameters") },
 213                 { Flag,
 214                         "ifconfig_noexec",
 215                         0,
 216                         translate("Don't actually execute ifconfig") },
 217                 { Flag,
 218                         "ifconfig_nowarn",
 219                         0,
 220                         translate("Don't warn on ifconfig inconsistencies") },
 221                 { DynamicList,
 222                         "route",
 223                         "10.123.0.0 255.255.0.0",
 224                         translate("Add route after establishing connection") },
 225                 { Value,
 226                         "route_gateway",
 227                         "10.234.1.1",
 228                         translate("Specify a default gateway for routes") },
 229                 { Value,
 230                         "route_delay",
 231                         0,
 232                         translate("Delay n seconds after connection") },
 233                 { Flag,
 234                         "route_noexec",
 235                         0,
 236                         translate("Don't add routes automatically") },
 237                 { Flag,
 238                         "route_nopull",
 239                         0,
 240                         translate("Don't pull routes automatically") },
 241                 { Flag,
 242                         "allow_recursive_routing",
 243                         0,
 244                         translate("Don't drop incoming tun packets with same destination as host") },
 245                 { ListValue,
 246                         "mtu_disc",
 247                         { "yes", "maybe", "no" },
 248                         translate("Enable Path MTU discovery") },
 249                 { Flag,
 250                         "mtu_test",
 251                         0,
 252                         translate("Empirically measure MTU") },
 253                 { ListValue,
 254                         "comp_lzo",
 255                         { "yes", "no", "adaptive" },
 256                         translate("Use fast LZO compression") },
 257                 { Flag,
 258                         "comp_noadapt",
 259                         0,
 260                         translate("Don't use adaptive lzo compression"),
 261                         { comp_lzo=1 } },
 262                 { Value,
 263                         "link_mtu",
 264                         1500,
 265                         translate("Set TCP/UDP MTU") },
 266                 { Value,
 267                         "tun_mtu",
 268                         1500,
 269                         translate("Set tun/tap device MTU") },
 270                 { Value,
 271                         "tun_mtu_extra",
 272                         1500,
 273                         translate("Set tun/tap device overhead") },
 274                 { Value,
 275                         "fragment",
 276                         1500,
 277                         translate("Enable internal datagram fragmentation"),
 278                         { proto="udp" } },
 279                 { Value,
 280                         "mssfix",
 281                         1500,
 282                         translate("Set upper bound on TCP MSS"),
 283                         { proto="udp" } },
 284                 { Value,
 285                         "sndbuf",
 286                         65536,
 287                         translate("Set the TCP/UDP send buffer size") },
 288                 { Value,
 289                         "rcvbuf",
 290                         65536,
 291                         translate("Set the TCP/UDP receive buffer size") },
 292                 { Value,
 293                         "txqueuelen",
 294                         100,
 295                         translate("Set tun/tap TX queue length") },
 296                 { Value,
 297                         "shaper",
 298                         10240,
 299                         translate("Shaping for peer bandwidth") },
 300                 { Value,
 301                         "inactive",
 302                         240,
 303                         translate("tun/tap inactivity timeout") },
 304                 { Value,
 305                         "keepalive",
 306                         "10 60",
 307                         translate("Helper directive to simplify the expression of --ping and --ping-restart in server mode configurations") },
 308                 { Value,
 309                         "ping",
 310                         30,
 311                         translate("Ping remote every n seconds over TCP/UDP port") },
 312                 { Value,
 313                         "ping_exit",
 314                         120,
 315                         translate("Remote ping timeout") },
 316                 { Value,
 317                         "ping_restart",
 318                         60,
 319                         translate("Restart after remote ping timeout") },
 320                 { Flag,
 321                         "ping_timer_rem",
 322                         0,
 323                         translate("Only process ping timeouts if routes exist") },
 324                 { Flag,
 325                         "persist_tun",
 326                         0,
 327                         translate("Keep tun/tap device open on restart") },
 328                 { Flag,
 329                         "persist_key",
 330                         0,
 331                         translate("Don't re-read key on restart") },
 332                 { Flag,
 333                         "persist_local_ip",
 334                         0,
 335                         translate("Keep local IP address on restart") },
 336                 { Flag,
 337                         "persist_remote_ip",
 338                         0,
 339                         translate("Keep remote IP address on restart") },
 340         -- management channel
 341                 { Value,
 342                         "management",
 343                         "127.0.0.1 31194 /etc/openvpn/mngmt-pwds",
 344                         translate("Enable management interface on <em>IP</em> <em>port</em>") },
 345         -- management
 346                 { Flag,
 347                         "management_query_passwords",
 348                         0,
 349                         translate("Query management channel for private key") },
 350         -- management
 351                 { Flag,
 352                         "management_hold",
 353                         0,
 354                         translate("Start OpenVPN in a hibernating state") },
 355         -- management
 356                 { Value,
 357                         "management_log_cache",
 358                         100,
 359                         translate("Number of lines for log file history") },
 360                 { ListValue,
 361                         "topology",
 362                         { "net30", "p2p", "subnet" },
 363                         translate("'net30', 'p2p', or 'subnet'"),
 364                         {dev_type="tun" } },
 365         } },
 366
 367         { "VPN", {
 368                 { Value,
 369                         "server",
 370                         "10.200.200.0 255.255.255.0",
 371                         translate("Configure server mode"),
 372                         { client="0" }, { client="" } },
 373                 { Value,
 374                         "server_bridge",
 375                         "10.200.200.1 255.255.255.0 10.200.200.200 10.200.200.250",
 376                         translate("Configure server bridge"),
 377                         { client="0" }, { client="" } },
 378                 { DynamicList,
 379                         "push",
 380                         { "redirect-gateway", "comp-lzo" },
 381                         translate("Push options to peer"),
 382                         { client="0" }, { client="" } },
 383                 { Flag,
 384                         "push_reset",
 385                         0,
 386                         translate("Don't inherit global push options"),
 387                         { client="0" }, { client="" } },
 388                 { Flag,
 389                         "disable",
 390                         0,
 391                         translate("Client is disabled"),
 392                         { client="0" }, { client="" } },
 393                 { Value,
 394                         "ifconfig_pool",
 395                         "10.200.200.100 10.200.200.150 255.255.255.0",
 396                         translate("Set aside a pool of subnets"),
 397                         { client="0" }, { client="" } },
 398                 { Value,
 399                         "ifconfig_pool_persist",
 400                         "/etc/openvpn/ipp.txt 600",
 401                         translate("Persist/unpersist ifconfig-pool"),
 402                         { client="0" }, { client="" } },
 403                 { Value,
 404                         "ifconfig_push",
 405                         "10.200.200.1 255.255.255.255",
 406                         translate("Push an ifconfig option to remote"),
 407                         { client="0" }, { client="" } },
 408                 { Value,
 409                         "iroute",
 410                         "10.200.200.0 255.255.255.0",
 411                         translate("Route subnet to client"),
 412                         { client="0" }, { client="" } },
 413                 { Flag,
 414                         "client_to_client",
 415                         0,
 416                         translate("Allow client-to-client traffic"),
 417                         { client="0" }, { client="" } },
 418                 { Flag,
 419                         "duplicate_cn",
 420                         0,
 421                         translate("Allow multiple clients with same certificate"),
 422                         { client="0" }, { client="" } },
 423                 { Value,
 424                         "client_config_dir",
 425                         "/etc/openvpn/ccd",
 426                         translate("Directory for custom client config files"),
 427                         { client="0" }, { client="" } },
 428                 { Flag,
 429                         "ccd_exclusive",
 430                         0,
 431                         translate("Refuse connection if no custom client config"),
 432                         { client="0" }, { client="" } },
 433                 { Value,
 434                         "tmp_dir",
 435                         "/var/run/openvpn",
 436                         translate("Temporary directory for client-connect return file"),
 437                         { client="0" }, { client="" } },
 438                 { Value,
 439                         "hash_size",
 440                         "256 256",
 441                         translate("Set size of real and virtual address hash tables"),
 442                         { client="0" }, { client="" } },
 443                 { Value,
 444                         "bcast_buffers",
 445                         256,
 446                         translate("Number of allocated broadcast buffers"),
 447                         { client="0" }, { client="" } },
 448                 { Value,
 449                         "tcp_queue_limit",
 450                         64,
 451                         translate("Maximum number of queued TCP output packets"),
 452                         { client="0" }, { client="" } },
 453                 { Value,
 454                         "max_clients",
 455                         10,
 456                         translate("Allowed maximum of connected clients"),
 457                         { client="0" }, { client="" } },
 458                 { Value,
 459                         "max_routes_per_client",
 460                         256,
 461                         translate("Allowed maximum of internal"),
 462                         { client="0" }, { client="" } },
 463                 { Value,
 464                         "connect_freq",
 465                         "3 10",
 466                         translate("Allowed maximum of new connections"),
 467                         { client="0" }, { client="" } },
 468                 { Flag,
 469                         "username_as_common_name",
 470                         0,
 471                         translate("Use username as common name"),
 472                         { client="0" }, { client="" } },
 473                 { Flag,
 474                         "client",
 475                         0,
 476                         translate("Configure client mode") },
 477                 { Flag,
 478                         "pull",
 479                         0,
 480                         translate("Accept options pushed from server"),
 481                         { client="1" } },
 482                 { FileUpload,
 483                         "auth_user_pass",
 484                         "/etc/openvpn/userpass.txt",
 485                         translate("Authenticate using username/password"),
 486                         { client="1" } },
 487                 { ListValue,
 488                         "auth_retry",
 489                         { "none", "nointeract", "interact" },
 490                         translate("Handling of authentication failures"),
 491                         { client="1" } },
 492                 { Value,
 493                         "explicit_exit_notify",
 494                         1,
 495                         translate("Send notification to peer on disconnect"),
 496                         { client="1" } },
 497                 { DynamicList,
 498                         "remote",
 499                         "1.2.3.4",
 500                         translate("Remote host name or ip address"),
 501                         { client="1" } },
 502                 { Flag,
 503                         "remote_random",
 504                         0,
 505                         translate("Randomly choose remote server"),
 506                         { client="1" } },
 507                 { ListValue,
 508                         "proto",
 509                         { "udp", "tcp-client", "tcp-server" },
 510                         translate("Use protocol"),
 511                         { client="1" } },
 512                 { Value,
 513                         "connect_retry",
 514                         5,
 515                         translate("Connection retry interval"),
 516                         { proto="tcp-client" }, { client="1" } },
 517                 { Value,
 518                         "http_proxy",
 519                         "192.168.1.100 8080",
 520                         translate("Connect to remote host through an HTTP proxy"),
 521                         { client="1" } },
 522                 { Flag,
 523                         "http_proxy_retry",
 524                         0,
 525                         translate("Retry indefinitely on HTTP proxy errors"),
 526                         { client="1" } },
 527                 { Value,
 528                         "http_proxy_timeout",
 529                         5,
 530                         translate("Proxy timeout in seconds"),
 531                         { client="1" } },
 532                 { DynamicList,
 533                         "http_proxy_option",
 534                         { "VERSION 1.0", "AGENT OpenVPN/2.0.9" },
 535                         translate("Set extended HTTP proxy options"),
 536                         { client="1" } },
 537                 { Value,
 538                         "socks_proxy",
 539                         "192.168.1.200 1080",
 540                         translate("Connect through Socks5 proxy"),
 541                         { client="1" } },
 542         -- client && socks_proxy
 543                 { Value,
 544                         "socks_proxy_retry",
 545                         5,
 546                         translate("Retry indefinitely on Socks proxy errors"),
 547                         { client="1" } },
 548                 { Value,
 549                         "resolv_retry",
 550                         "infinite",
 551                         translate("If hostname resolve fails, retry"),
 552                         { client="1" } },
 553                 { ListValue,
 554                         "redirect_gateway",
 555                         { "", "local", "def1", "local def1" },
 556                         translate("Automatically redirect default route"),
 557                         { client="1" } },
 558                 { Value,
 559                         "verify_client_cert",
 560                         {  "none", "optional", "require" },
 561                         translate("Specify whether the client is required to supply a valid certificate") },
 562         } },
 563
 564         { "Cryptography", {
 565                 { FileUpload,
 566                         "secret",
 567                         "/etc/openvpn/secret.key",
 568                         translate("Enable Static Key encryption mode (non-TLS)") },
 569         -- parse
 570                 { Value,
 571                         "auth",
 572                         "SHA1",
 573                         translate("HMAC authentication for packets") },
 574         -- parse
 575                 { Value,
 576                         "cipher",
 577                         {
 578                                 "AES-128-CBC",
 579                                 "AES-128-CFB",
 580                                 "AES-128-CFB1",
 581                                 "AES-128-CFB8",
 582                                 "AES-128-GCM",
 583                                 "AES-128-OFB",
 584                                 "AES-192-CBC",
 585                                 "AES-192-CFB",
 586                                 "AES-192-CFB1",
 587                                 "AES-192-CFB8",
 588                                 "AES-192-GCM",
 589                                 "AES-192-OFB",
 590                                 "AES-256-CBC",
 591                                 "AES-256-CFB",
 592                                 "AES-256-CFB1",
 593                                 "AES-256-CFB8",
 594                                 "AES-256-GCM",
 595                                 "AES-256-OFB",
 596                                 "BF-CBC",
 597                                 "BF-CFB",
 598                                 "BF-OFB",
 599                                 "CAST5-CBC",
 600                                 "CAST5-CFB",
 601                                 "CAST5-OFB",
 602                                 "DES-CBC",
 603                                 "DES-CFB",
 604                                 "DES-CFB1",
 605                                 "DES-CFB8",
 606                                 "DES-EDE-CBC",
 607                                 "DES-EDE-CFB",
 608                                 "DES-EDE-OFB",
 609                                 "DES-EDE3-CBC",
 610                                 "DES-EDE3-CFB",
 611                                 "DES-EDE3-CFB1",
 612                                 "DES-EDE3-CFB8",
 613                                 "DES-EDE3-OFB",
 614                                 "DES-OFB",
 615                                 "DESX-CBC",
 616                                 "RC2-40-CBC",
 617                                 "RC2-64-CBC",
 618                                 "RC2-CBC",
 619                                 "RC2-CFB",
 620                                 "RC2-OFB"
 621                         },
 622                         translate("Encryption cipher for packets") },
 623         -- parse
 624                 { Value,
 625                         "keysize",
 626                         1024,
 627                         translate("Size of cipher key") },
 628         -- parse
 629                 { Value,
 630                         "engine",
 631                         "dynamic",
 632                         translate("Enable OpenSSL hardware crypto engines") },
 633                 { Value,
 634                         "replay_window",
 635                         "64 15",
 636                         translate("Replay protection sliding window size") },
 637                 { Flag,
 638                         "mute_replay_warnings",
 639                         0,
 640                         translate("Silence the output of replay warnings") },
 641                 { Value,
 642                         "replay_persist",
 643                         "/var/run/openvpn-replay-state",
 644                         translate("Persist replay-protection state") },
 645                 { Flag,
 646                         "tls_server",
 647                         0,
 648                         translate("Enable TLS and assume server role"),
 649                         { tls_client="" }, { tls_client="0" } },
 650                 { Flag,
 651                         "tls_client",
 652                         0,
 653                         translate("Enable TLS and assume client role"),
 654                         { tls_server="" }, { tls_server="0" } },
 655                 { FileUpload,
 656                         "ca",
 657                         "/etc/easy-rsa/keys/ca.crt",
 658                         translate("Certificate authority") },
 659                 { FileUpload,
 660                         "dh",
 661                         "/etc/easy-rsa/keys/dh1024.pem",
 662                         translate("Diffie Hellman parameters") },
 663                 { FileUpload,
 664                         "cert",
 665                         "/etc/easy-rsa/keys/some-client.crt",
 666                         translate("Local certificate") },
 667                 { FileUpload,
 668                         "key",
 669                         "/etc/easy-rsa/keys/some-client.key",
 670                         translate("Local private key") },
 671                 { FileUpload,
 672                         "pkcs12",
 673                         "/etc/easy-rsa/keys/some-client.pk12",
 674                         translate("PKCS#12 file containing keys") },
 675                 { ListValue,
 676                         "key_method",
 677                         { 1, 2 },
 678                         translate("Enable TLS and assume client role") },
 679                 { DynamicList,
 680                         "tls_cipher",
 681                         {
 682                                 "DHE-RSA-AES256-SHA",
 683                                 "DHE-DSS-AES256-SHA",
 684                                 "AES256-SHA",
 685                                 "EDH-RSA-DES-CBC3-SHA",
 686                                 "EDH-DSS-DES-CBC3-SHA",
 687                                 "DES-CBC3-SHA",
 688                                 "DHE-RSA-AES128-SHA",
 689                                 "DHE-DSS-AES128-SHA",
 690                                 "AES128-SHA",
 691                                 "RC4-SHA",
 692                                 "RC4-MD5",
 693                                 "EDH-RSA-DES-CBC-SHA",
 694                                 "EDH-DSS-DES-CBC-SHA",
 695                                 "DES-CBC-SHA",
 696                                 "EXP-EDH-RSA-DES-CBC-SHA",
 697                                 "EXP-EDH-DSS-DES-CBC-SHA",
 698                                 "EXP-DES-CBC-SHA",
 699                                 "EXP-RC2-CBC-MD5",
 700                                 "EXP-RC4-MD5"
 701                         },
 702                         translate("TLS cipher") },
 703                 { DynamicList,
 704                         "tls_ciphersuites",
 705                         {
 706                                 "TLS_AES_256_GCM_SHA384",
 707                                 "TLS_AES_128_GCM_SHA256",
 708                                 "TLS_CHACHA20_POLY1305_SHA256"
 709                         },
 710                         translate("TLS 1.3 or newer cipher") },
 711                 { Value,
 712                         "tls_timeout",
 713                         2,
 714                         translate("Retransmit timeout on TLS control channel") },
 715                 { Value,
 716                         "reneg_bytes",
 717                         1024,
 718                         translate("Renegotiate data chan. key after bytes") },
 719                 { Value,
 720                         "reneg_pkts",
 721                         100,
 722                         translate("Renegotiate data chan. key after packets") },
 723                 { Value,
 724                         "reneg_sec",
 725                         3600,
 726                         translate("Renegotiate data chan. key after seconds") },
 727                 { Value,
 728                         "hand_window",
 729                         60,
 730                         translate("Timeframe for key exchange") },
 731                 { Value,
 732                         "tran_window",
 733                         3600,
 734                         translate("Key transition window") },
 735                 { Flag,
 736                         "single_session",
 737                         0,
 738                         translate("Allow only one session") },
 739                 { Flag,
 740                         "tls_exit",
 741                         0,
 742                         translate("Exit on TLS negotiation failure") },
 743                 { Value,
 744                         "tls_auth",
 745                         "/etc/openvpn/tlsauth.key",
 746                         translate("Additional authentication over TLS") },
 747                 { Value,
 748                         "tls_crypt",
 749                         "/etc/openvpn/tlscrypt.key",
 750                         translate("Encrypt and authenticate all control channel packets with the key") },
 751         --      { Value,
 752         --              "askpass",
 753         --              "[file]",
 754         --              translate("Get PEM password from controlling tty before we daemonize") },
 755                 { Flag,
 756                         "auth_nocache",
 757                         0,
 758                         translate("Don't cache --askpass or --auth-user-pass passwords") },
 759                 { Value,
 760                         "tls_remote",
 761                         "remote_x509_name",
 762                         translate("Only accept connections from given X509 name") },
 763                 { ListValue,
 764                         "ns_cert_type",
 765                         { "client", "server" },
 766                         translate("Require explicit designation on certificate") },
 767                 { ListValue,
 768                         "remote_cert_tls",
 769                         { "client", "server" },
 770                         translate("Require explicit key usage on certificate") },
 771                 { Value,
 772                         "crl_verify",
 773                         "/etc/easy-rsa/keys/crl.pem",
 774                         translate("Check peer certificate against a CRL") },
 775                 { Value,
 776                         "tls_version_min",
 777                         "1.0",
 778                         translate("The lowest supported TLS version") },
 779                 { Value,
 780                         "tls_version_max",
 781                         "1.2",
 782                         translate("The highest supported TLS version") },
 783                 { ListValue,
 784                         "key_direction",
 785                         { 0, 1 },
 786                         translate("The key direction for 'tls-auth' and 'secret' options") },
 787                 { Flag,
 788                         "ncp_disable",
 789                         0,
 790                         translate("This completely disables cipher negotiation") },
 791                 { Value,
 792                         "ncp_ciphers",
 793                         "AES-256-GCM:AES-128-GCM",
 794                         translate("Restrict the allowed ciphers to be negotiated") },
 795         } }
 796 }
 797
 798
 799 local cts = { }
 800 local params = { }
 801
 802 local m = Map("openvpn")
 803 m.redirect = luci.dispatcher.build_url("admin", "vpn", "openvpn")
 804 m.apply_on_parse = true
 805
 806 local p = m:section( SimpleSection )
 807 p.template = "openvpn/pageswitch"
 808 p.mode     = "advanced"
 809 p.instance = arg[1]
 810 p.category = arg[2] or "Service"
 811
 812 for _, c in ipairs(knownParams) do
 813         cts[#cts+1] = c[1]
 814         if c[1] == p.category then params = c[2] end
 815 end
 816
 817 p.categories = cts
 818
 819
 820 local s = m:section(
 821         NamedSection, arg[1], "openvpn",
 822         translate("%s" % arg[2])
 823 )
 824
 825 s.title     = translate("%s" % arg[2])
 826 s.addremove = false
 827 s.anonymous = true
 828
 829
 830 for _, option in ipairs(params) do
 831         local o = s:option(
 832                 option[1], option[2],
 833                 option[2], option[4]
 834         )
 835
 836         o.optional = true
 837
 838         if option[1] == DummyValue then
 839                 o.value = option[3]
 840         elseif option[1] == FileUpload then
 841
 842                 function o.cfgvalue(self, section)
 843                         local cfg_val = AbstractValue.cfgvalue(self, section)
 844
 845                         if cfg_val then
 846                                 return cfg_val
 847                         end
 848                 end
 849
 850                 function o.formvalue(self, section)
 851                         local sel_val = AbstractValue.formvalue(self, section)
 852                         local txt_val = luci.http.formvalue("cbid."..self.map.config.."."..section.."."..self.option..".textbox")
 853
 854                         if sel_val and sel_val ~= "" then
 855                                 return sel_val
 856                         end
 857
 858                         if txt_val and txt_val ~= "" then
 859                                 return txt_val
 860                         end
 861                 end
 862
 863                 function o.remove(self, section)
 864                         local cfg_val = AbstractValue.cfgvalue(self, section)
 865                         local txt_val = luci.http.formvalue("cbid."..self.map.config.."."..section.."."..self.option..".textbox")
 866
 867                         if cfg_val and fs.access(cfg_val) and txt_val == "" then
 868                                 fs.unlink(cfg_val)
 869                         end
 870                         return AbstractValue.remove(self, section)
 871                 end
 872         elseif option[1] == Flag then
 873                 o.default = nil
 874         else
 875                 if option[1] == DynamicList then
 876                         function o.cfgvalue(...)
 877                                 local val = AbstractValue.cfgvalue(...)
 878                                 return ( val and type(val) ~= "table" ) and { val } or val
 879                         end
 880                 end
 881
 882                 if type(option[3]) == "table" then
 883                         if o.optional then o:value("", "-- remove --") end
 884                         for _, v in ipairs(option[3]) do
 885                                 v = tostring(v)
 886                                 o:value(v)
 887                         end
 888                         o.default = tostring(option[3][1])
 889                 else
 890                         o.default = tostring(option[3])
 891                 end
 892         end
 893
 894         for i=5,#option do
 895                 if type(option[i]) == "table" then
 896                         o:depends(option[i])
 897                 end
 898         end
 899 end
 900
 901 return m