channels/chan_skinny.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999 - 2005, Digium, Inc.
   5  *
   6  * chan_skinny was developed by Jeremy McNamara & Florian Overkamp
   7  * chan_skinny was heavily modified/fixed by North Antara
   8  *
   9  * See http://www.asterisk.org for more information about
  10  * the Asterisk project. Please do not directly contact
  11  * any of the maintainers of this project for assistance;
  12  * the project provides a web site, mailing lists and IRC
  13  * channels for your use.
  14  *
  15  * This program is free software, distributed under the terms of
  16  * the GNU General Public License Version 2. See the LICENSE file
  17  * at the top of the source tree.
  18  */
  19
  20 /*! \file
  21  *
  22  * \brief Implementation of the Skinny protocol
  23  *
  24  * \author Jeremy McNamara & Florian Overkamp & North Antara
  25  * \ingroup channel_drivers
  26  */
  27
  28
  29 #include "asterisk.h"
  30
  31 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  32
  33 #include <sys/socket.h>
  34 #include <netinet/in.h>
  35 #include <netinet/tcp.h>
  36 #include <sys/ioctl.h>
  37 #include <net/if.h>
  38 #include <fcntl.h>
  39 #include <netdb.h>
  40 #include <arpa/inet.h>
  41 #include <sys/signal.h>
  42 #include <signal.h>
  43 #include <ctype.h>
  44
  45 #include "asterisk/lock.h"
  46 #include "asterisk/channel.h"
  47 #include "asterisk/config.h"
  48 #include "asterisk/module.h"
  49 #include "asterisk/pbx.h"
  50 #include "asterisk/sched.h"
  51 #include "asterisk/io.h"
  52 #include "asterisk/rtp.h"
  53 #include "asterisk/netsock.h"
  54 #include "asterisk/acl.h"
  55 #include "asterisk/callerid.h"
  56 #include "asterisk/cli.h"
  57 #include "asterisk/say.h"
  58 #include "asterisk/cdr.h"
  59 #include "asterisk/astdb.h"
  60 #include "asterisk/features.h"
  61 #include "asterisk/app.h"
  62 #include "asterisk/musiconhold.h"
  63 #include "asterisk/utils.h"
  64 #include "asterisk/dsp.h"
  65 #include "asterisk/stringfields.h"
  66 #include "asterisk/astobj.h"
  67 #include "asterisk/abstract_jb.h"
  68 #include "asterisk/threadstorage.h"
  69 #include "asterisk/devicestate.h"
  70
  71 /*************************************
  72  * Skinny/Asterisk Protocol Settings *
  73  *************************************/
  74 static const char tdesc[] = "Skinny Client Control Protocol (Skinny)";
  75 static const char config[] = "skinny.conf";
  76
  77 static int default_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW;
  78 static struct ast_codec_pref default_prefs;
  79
  80 enum skinny_codecs {
  81         SKINNY_CODEC_ALAW = 2,
  82         SKINNY_CODEC_ULAW = 4,
  83         SKINNY_CODEC_G723_1 = 9,
  84         SKINNY_CODEC_G729A = 12,
  85         SKINNY_CODEC_G726_32 = 82, /* XXX Which packing order does this translate to? */
  86         SKINNY_CODEC_H261 = 100,
  87         SKINNY_CODEC_H263 = 101
  88 };
  89
  90 #define DEFAULT_SKINNY_PORT     2000
  91 #define DEFAULT_SKINNY_BACKLOG  2
  92 #define SKINNY_MAX_PACKET       1000
  93
  94 static unsigned int tos = 0;
  95 static unsigned int tos_audio = 0;
  96 static unsigned int tos_video = 0;
  97 static unsigned int cos = 0;
  98 static unsigned int cos_audio = 0;
  99 static unsigned int cos_video = 0;
 100
 101 static int keep_alive = 120;
 102 static char vmexten[AST_MAX_EXTENSION];         /* Voicemail pilot number */
 103 static char used_context[AST_MAX_EXTENSION];            /* Voicemail pilot number */
 104 static char regcontext[AST_MAX_CONTEXT];        /* Context for auto-extension */
 105 static char date_format[6] = "D-M-Y";
 106 static char version_id[16] = "P002F202";
 107
 108 #if __BYTE_ORDER == __LITTLE_ENDIAN
 109 #define letohl(x) (x)
 110 #define letohs(x) (x)
 111 #define htolel(x) (x)
 112 #define htoles(x) (x)
 113 #else
 114 #if defined(HAVE_BYTESWAP_H)
 115 #include <byteswap.h>
 116 #define letohl(x) bswap_32(x)
 117 #define letohs(x) bswap_16(x)
 118 #define htolel(x) bswap_32(x)
 119 #define htoles(x) bswap_16(x)
 120 #elif defined(HAVE_SYS_ENDIAN_SWAP16)
 121 #include <sys/endian.h>
 122 #define letohl(x) __swap32(x)
 123 #define letohs(x) __swap16(x)
 124 #define htolel(x) __swap32(x)
 125 #define htoles(x) __swap16(x)
 126 #elif defined(HAVE_SYS_ENDIAN_BSWAP16)
 127 #include <sys/endian.h>
 128 #define letohl(x) bswap32(x)
 129 #define letohs(x) bswap16(x)
 130 #define htolel(x) bswap32(x)
 131 #define htoles(x) bswap16(x)
 132 #else
 133 #define __bswap_16(x) \
 134         ((((x) & 0xff00) >> 8) | \
 135          (((x) & 0x00ff) << 8))
 136 #define __bswap_32(x) \
 137         ((((x) & 0xff000000) >> 24) | \
 138          (((x) & 0x00ff0000) >>  8) | \
 139          (((x) & 0x0000ff00) <<  8) | \
 140          (((x) & 0x000000ff) << 24))
 141 #define letohl(x) __bswap_32(x)
 142 #define letohs(x) __bswap_16(x)
 143 #define htolel(x) __bswap_32(x)
 144 #define htoles(x) __bswap_16(x)
 145 #endif
 146 #endif
 147
 148 /*! Global jitterbuffer configuration - by default, jb is disabled */
 149 static struct ast_jb_conf default_jbconf =
 150 {
 151         .flags = 0,
 152         .max_size = -1,
 153         .resync_threshold = -1,
 154         .impl = ""
 155 };
 156 static struct ast_jb_conf global_jbconf;
 157
 158 AST_THREADSTORAGE(device2str_threadbuf);
 159 #define DEVICE2STR_BUFSIZE   15
 160
 161 AST_THREADSTORAGE(control2str_threadbuf);
 162 #define CONTROL2STR_BUFSIZE   100
 163
 164 /*********************
 165  * Protocol Messages *
 166  *********************/
 167 /* message types */
 168 #define KEEP_ALIVE_MESSAGE 0x0000
 169 /* no additional struct */
 170
 171 #define REGISTER_MESSAGE 0x0001
 172 struct register_message {
 173         char name[16];
 174         uint32_t userId;
 175         uint32_t instance;
 176         uint32_t ip;
 177         uint32_t type;
 178         uint32_t maxStreams;
 179 };
 180
 181 #define IP_PORT_MESSAGE 0x0002
 182
 183 #define KEYPAD_BUTTON_MESSAGE 0x0003
 184 struct keypad_button_message {
 185         uint32_t button;
 186         uint32_t lineInstance;
 187         uint32_t callReference;
 188 };
 189
 190
 191 #define ENBLOC_CALL_MESSAGE 0x0004
 192 struct enbloc_call_message {
 193        char calledParty[24];
 194 };
 195
 196 #define STIMULUS_MESSAGE 0x0005
 197 struct stimulus_message {
 198         uint32_t stimulus;
 199         uint32_t stimulusInstance;
 200         uint32_t callreference;
 201 };
 202
 203 #define OFFHOOK_MESSAGE 0x0006
 204 struct offhook_message {
 205         uint32_t unknown1;
 206         uint32_t unknown2;
 207 };
 208
 209 #define ONHOOK_MESSAGE 0x0007
 210 struct onhook_message {
 211         uint32_t unknown1;
 212         uint32_t unknown2;
 213 };
 214
 215 #define CAPABILITIES_RES_MESSAGE 0x0010
 216 struct station_capabilities {
 217         uint32_t codec;
 218         uint32_t frames;
 219         union {
 220                 char res[8];
 221                 uint32_t rate;
 222         } payloads;
 223 };
 224
 225 #define SKINNY_MAX_CAPABILITIES 18
 226
 227 struct capabilities_res_message {
 228         uint32_t count;
 229         struct station_capabilities caps[SKINNY_MAX_CAPABILITIES];
 230 };
 231
 232 #define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
 233 struct speed_dial_stat_req_message {
 234         uint32_t speedDialNumber;
 235 };
 236
 237 #define LINE_STATE_REQ_MESSAGE 0x000B
 238 struct line_state_req_message {
 239         uint32_t lineNumber;
 240 };
 241
 242 #define TIME_DATE_REQ_MESSAGE 0x000D
 243 #define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
 244 #define VERSION_REQ_MESSAGE 0x000F
 245 #define SERVER_REQUEST_MESSAGE 0x0012
 246
 247 #define ALARM_MESSAGE 0x0020
 248 struct alarm_message {
 249         uint32_t alarmSeverity;
 250         char displayMessage[80];
 251         uint32_t alarmParam1;
 252         uint32_t alarmParam2;
 253 };
 254
 255 #define OPEN_RECEIVE_CHANNEL_ACK_MESSAGE 0x0022
 256 struct open_receive_channel_ack_message {
 257         uint32_t status;
 258         uint32_t ipAddr;
 259         uint32_t port;
 260         uint32_t passThruId;
 261 };
 262
 263 #define SOFT_KEY_SET_REQ_MESSAGE 0x0025
 264
 265 #define SOFT_KEY_EVENT_MESSAGE 0x0026
 266 struct soft_key_event_message {
 267         uint32_t softKeyEvent;
 268         uint32_t instance;
 269         uint32_t callreference;
 270 };
 271
 272 #define UNREGISTER_MESSAGE 0x0027
 273 #define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
 274 #define HEADSET_STATUS_MESSAGE 0x002B
 275 #define REGISTER_AVAILABLE_LINES_MESSAGE 0x002D
 276
 277 #define REGISTER_ACK_MESSAGE 0x0081
 278 struct register_ack_message {
 279         uint32_t keepAlive;
 280         char dateTemplate[6];
 281         char res[2];
 282         uint32_t secondaryKeepAlive;
 283         char res2[4];
 284 };
 285
 286 #define START_TONE_MESSAGE 0x0082
 287 struct start_tone_message {
 288         uint32_t tone;
 289         uint32_t space;
 290         uint32_t instance;
 291         uint32_t reference;
 292 };
 293
 294 #define STOP_TONE_MESSAGE 0x0083
 295 struct stop_tone_message {
 296         uint32_t instance;
 297         uint32_t reference;
 298 };
 299
 300 #define SET_RINGER_MESSAGE 0x0085
 301 struct set_ringer_message {
 302         uint32_t ringerMode;
 303         uint32_t unknown1; /* See notes in transmit_ringer_mode */
 304         uint32_t unknown2;
 305         uint32_t space[2];
 306 };
 307
 308 #define SET_LAMP_MESSAGE 0x0086
 309 struct set_lamp_message {
 310         uint32_t stimulus;
 311         uint32_t stimulusInstance;
 312         uint32_t deviceStimulus;
 313 };
 314
 315 #define SET_SPEAKER_MESSAGE 0x0088
 316 struct set_speaker_message {
 317         uint32_t mode;
 318 };
 319
 320 /* XXX When do we need to use this? */
 321 #define SET_MICROPHONE_MESSAGE 0x0089
 322 struct set_microphone_message {
 323         uint32_t mode;
 324 };
 325
 326 #define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
 327 struct media_qualifier {
 328         uint32_t precedence;
 329         uint32_t vad;
 330         uint16_t packets;
 331         uint32_t bitRate;
 332 };
 333
 334 struct start_media_transmission_message {
 335         uint32_t conferenceId;
 336         uint32_t passThruPartyId;
 337         uint32_t remoteIp;
 338         uint32_t remotePort;
 339         uint32_t packetSize;
 340         uint32_t payloadType;
 341         struct media_qualifier qualifier;
 342         uint32_t space[16];
 343 };
 344
 345 #define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
 346 struct stop_media_transmission_message {
 347         uint32_t conferenceId;
 348         uint32_t passThruPartyId;
 349         uint32_t space[3];
 350 };
 351
 352 #define CALL_INFO_MESSAGE 0x008F
 353 struct call_info_message {
 354         char callingPartyName[40];
 355         char callingParty[24];
 356         char calledPartyName[40];
 357         char calledParty[24];
 358         uint32_t instance;
 359         uint32_t reference;
 360         uint32_t type;
 361         char originalCalledPartyName[40];
 362         char originalCalledParty[24];
 363         char lastRedirectingPartyName[40];
 364         char lastRedirectingParty[24];
 365         uint32_t originalCalledPartyRedirectReason;
 366         uint32_t lastRedirectingReason;
 367         char callingPartyVoiceMailbox[24];
 368         char calledPartyVoiceMailbox[24];
 369         char originalCalledPartyVoiceMailbox[24];
 370         char lastRedirectingVoiceMailbox[24];
 371         uint32_t space[3];
 372 };
 373
 374 #define FORWARD_STAT_MESSAGE 0x0090
 375 struct forward_stat_message {
 376         uint32_t activeforward;
 377         uint32_t lineNumber;
 378         uint32_t fwdall;
 379         char fwdallnum[24];
 380         uint32_t fwdbusy;
 381         char fwdbusynum[24];
 382         uint32_t fwdnoanswer;
 383         char fwdnoanswernum[24];
 384 };
 385
 386 #define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
 387 struct speed_dial_stat_res_message {
 388         uint32_t speedDialNumber;
 389         char speedDialDirNumber[24];
 390         char speedDialDisplayName[40];
 391 };
 392
 393 #define LINE_STAT_RES_MESSAGE 0x0092
 394 struct line_stat_res_message {
 395         uint32_t lineNumber;
 396         char lineDirNumber[24];
 397         char lineDisplayName[24];
 398         uint32_t space[15];
 399 };
 400
 401 #define DEFINETIMEDATE_MESSAGE 0x0094
 402 struct definetimedate_message {
 403         uint32_t year;  /* since 1900 */
 404         uint32_t month;
 405         uint32_t dayofweek;     /* monday = 1 */
 406         uint32_t day;
 407         uint32_t hour;
 408         uint32_t minute;
 409         uint32_t seconds;
 410         uint32_t milliseconds;
 411         uint32_t timestamp;
 412 };
 413
 414 #define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
 415 struct button_definition {
 416         uint8_t instanceNumber;
 417         uint8_t buttonDefinition;
 418 };
 419
 420 struct button_definition_template {
 421         uint8_t buttonDefinition;
 422         /* for now, anything between 0xB0 and 0xCF is custom */
 423         /*int custom;*/
 424 };
 425
 426 #define STIMULUS_REDIAL                 0x01
 427 #define STIMULUS_SPEEDDIAL              0x02
 428 #define STIMULUS_HOLD                   0x03
 429 #define STIMULUS_TRANSFER               0x04
 430 #define STIMULUS_FORWARDALL             0x05
 431 #define STIMULUS_FORWARDBUSY            0x06
 432 #define STIMULUS_FORWARDNOANSWER        0x07
 433 #define STIMULUS_DISPLAY                0x08
 434 #define STIMULUS_LINE                   0x09
 435 #define STIMULUS_VOICEMAIL              0x0F
 436 #define STIMULUS_AUTOANSWER             0x11
 437 #define STIMULUS_DND                    0x3F
 438 #define STIMULUS_CONFERENCE             0x7D
 439 #define STIMULUS_CALLPARK               0x7E
 440 #define STIMULUS_CALLPICKUP             0x7F
 441 #define STIMULUS_NONE                   0xFF
 442
 443 /* Button types */
 444 #define BT_REDIAL                       STIMULUS_REDIAL
 445 #define BT_SPEEDDIAL                    STIMULUS_SPEEDDIAL
 446 #define BT_HOLD                         STIMULUS_HOLD
 447 #define BT_TRANSFER                     STIMULUS_TRANSFER
 448 #define BT_FORWARDALL                   STIMULUS_FORWARDALL
 449 #define BT_FORWARDBUSY                  STIMULUS_FORWARDBUSY
 450 #define BT_FORWARDNOANSWER              STIMULUS_FORWARDNOANSWER
 451 #define BT_DISPLAY                      STIMULUS_DISPLAY
 452 #define BT_LINE                         STIMULUS_LINE
 453 #define BT_VOICEMAIL                    STIMULUS_VOICEMAIL
 454 #define BT_AUTOANSWER                   STIMULUS_AUTOANSWER
 455 #define BT_DND                          STIMULUS_DND
 456 #define BT_CONFERENCE                   STIMULUS_CONFERENCE
 457 #define BT_CALLPARK                     STIMULUS_CALLPARK
 458 #define BT_CALLPICKUP                   STIMULUS_CALLPICKUP
 459 #define BT_NONE                         0x00
 460
 461 /* Custom button types - add our own between 0xB0 and 0xCF.
 462    This may need to be revised in the future,
 463    if stimuluses are ever added in this range. */
 464 #define BT_CUST_LINESPEEDDIAL           0xB0    /* line or speeddial with/without hint */
 465 #define BT_CUST_LINE                    0xB1    /* line or speeddial with hint only */
 466
 467 struct button_template_res_message {
 468         uint32_t buttonOffset;
 469         uint32_t buttonCount;
 470         uint32_t totalButtonCount;
 471         struct button_definition definition[42];
 472 };
 473
 474 #define VERSION_RES_MESSAGE 0x0098
 475 struct version_res_message {
 476         char version[16];
 477 };
 478
 479 #define DISPLAYTEXT_MESSAGE 0x0099
 480 struct displaytext_message {
 481         char text[40];
 482 };
 483
 484 #define CLEAR_NOTIFY_MESSAGE  0x0115
 485 #define CLEAR_DISPLAY_MESSAGE 0x009A
 486
 487 #define CAPABILITIES_REQ_MESSAGE 0x009B
 488
 489 #define REGISTER_REJ_MESSAGE 0x009D
 490 struct register_rej_message {
 491         char errMsg[33];
 492 };
 493
 494 #define SERVER_RES_MESSAGE 0x009E
 495 struct server_identifier {
 496         char serverName[48];
 497 };
 498
 499 struct server_res_message {
 500         struct server_identifier server[5];
 501         uint32_t serverListenPort[5];
 502         uint32_t serverIpAddr[5];
 503 };
 504
 505 #define RESET_MESSAGE 0x009F
 506 struct reset_message {
 507         uint32_t resetType;
 508 };
 509
 510 #define KEEP_ALIVE_ACK_MESSAGE 0x0100
 511
 512 #define OPEN_RECEIVE_CHANNEL_MESSAGE 0x0105
 513 struct open_receive_channel_message {
 514         uint32_t conferenceId;
 515         uint32_t partyId;
 516         uint32_t packets;
 517         uint32_t capability;
 518         uint32_t echo;
 519         uint32_t bitrate;
 520         uint32_t space[16];
 521 };
 522
 523 #define CLOSE_RECEIVE_CHANNEL_MESSAGE 0x0106
 524 struct close_receive_channel_message {
 525         uint32_t conferenceId;
 526         uint32_t partyId;
 527         uint32_t space[2];
 528 };
 529
 530 #define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
 531
 532 struct soft_key_template_definition {
 533         char softKeyLabel[16];
 534         uint32_t softKeyEvent;
 535 };
 536
 537 #define KEYDEF_ONHOOK                   0
 538 #define KEYDEF_CONNECTED                1
 539 #define KEYDEF_ONHOLD                   2
 540 #define KEYDEF_RINGIN                   3
 541 #define KEYDEF_OFFHOOK                  4
 542 #define KEYDEF_CONNWITHTRANS            5
 543 #define KEYDEF_DADFD                    6 /* Digits After Dialing First Digit */
 544 #define KEYDEF_CONNWITHCONF             7
 545 #define KEYDEF_RINGOUT                  8
 546 #define KEYDEF_OFFHOOKWITHFEAT          9
 547 #define KEYDEF_UNKNOWN                  10
 548
 549 #define SOFTKEY_NONE                    0x00
 550 #define SOFTKEY_REDIAL                  0x01
 551 #define SOFTKEY_NEWCALL                 0x02
 552 #define SOFTKEY_HOLD                    0x03
 553 #define SOFTKEY_TRNSFER                 0x04
 554 #define SOFTKEY_CFWDALL                 0x05
 555 #define SOFTKEY_CFWDBUSY                0x06
 556 #define SOFTKEY_CFWDNOANSWER            0x07
 557 #define SOFTKEY_BKSPC                   0x08
 558 #define SOFTKEY_ENDCALL                 0x09
 559 #define SOFTKEY_RESUME                  0x0A
 560 #define SOFTKEY_ANSWER                  0x0B
 561 #define SOFTKEY_INFO                    0x0C
 562 #define SOFTKEY_CONFRN                  0x0D
 563 #define SOFTKEY_PARK                    0x0E
 564 #define SOFTKEY_JOIN                    0x0F
 565 #define SOFTKEY_MEETME                  0x10
 566 #define SOFTKEY_PICKUP                  0x11
 567 #define SOFTKEY_GPICKUP                 0x12
 568 #define SOFTKEY_DND                     0x13
 569 #define SOFTKEY_IDIVERT                 0x14
 570
 571 struct soft_key_template_definition soft_key_template_default[] = {
 572         { "\200\001",           SOFTKEY_REDIAL },
 573         { "\200\002",           SOFTKEY_NEWCALL },
 574         { "\200\003",           SOFTKEY_HOLD },
 575         { "\200\004",           SOFTKEY_TRNSFER },
 576         { "\200\005",           SOFTKEY_CFWDALL },
 577         { "\200\006",           SOFTKEY_CFWDBUSY },
 578         { "\200\007",           SOFTKEY_CFWDNOANSWER },
 579         { "\200\010",           SOFTKEY_BKSPC },
 580         { "\200\011",           SOFTKEY_ENDCALL },
 581         { "\200\012",           SOFTKEY_RESUME },
 582         { "\200\013",           SOFTKEY_ANSWER },
 583         { "\200\014",           SOFTKEY_INFO },
 584         { "\200\015",           SOFTKEY_CONFRN },
 585         { "\200\016",           SOFTKEY_PARK },
 586         { "\200\017",           SOFTKEY_JOIN },
 587         { "\200\020",           SOFTKEY_MEETME },
 588         { "\200\021",           SOFTKEY_PICKUP },
 589         { "\200\022",           SOFTKEY_GPICKUP },
 590         { "\200\077",           SOFTKEY_DND },
 591         { "\200\120",           SOFTKEY_IDIVERT },
 592 };
 593
 594 /* Localized message "codes" (in octal)
 595    Below is en_US (taken from a 7970)
 596
 597    \200\xxx
 598        \000: ???
 599        \001: Redial
 600        \002: New Call
 601        \003: Hold
 602        \004: Transfer
 603        \005: CFwdALL
 604        \006: CFwdBusy
 605        \007: CFwdNoAnswer
 606        \010: <<
 607        \011: EndCall
 608        \012: Resume
 609        \013: Answer
 610        \014: Info
 611        \015: Confrn
 612        \016: Park
 613        \017: Join
 614        \020: MeetMe
 615        \021: PickUp
 616        \022: GPickUp
 617        \023: Your current options
 618        \024: Off Hook
 619        \025: On Hook
 620        \026: Ring out
 621        \027: From
 622        \030: Connected
 623        \031: Busy
 624        \032: Line In Use
 625        \033: Call Waiting
 626        \034: Call Transfer
 627        \035: Call Park
 628        \036: Call Proceed
 629        \037: In Use Remote
 630        \040: Enter number
 631        \041: Call park At
 632        \042: Primary Only
 633        \043: Temp Fail
 634        \044: You Have VoiceMail
 635        \045: Forwarded to
 636        \046: Can Not Complete Conference
 637        \047: No Conference Bridge
 638        \050: Can Not Hold Primary Control
 639        \051: Invalid Conference Participant
 640        \052: In Conference Already
 641        \053: No Participant Info
 642        \054: Exceed Maximum Parties
 643        \055: Key Is Not Active
 644        \056: Error No License
 645        \057: Error DBConfig
 646        \060: Error Database
 647        \061: Error Pass Limit
 648        \062: Error Unknown
 649        \063: Error Mismatch
 650        \064: Conference
 651        \065: Park Number
 652        \066: Private
 653        \067: Not Enough Bandwidth
 654        \070: Unknown Number
 655        \071: RmLstC
 656        \072: Voicemail
 657        \073: ImmDiv
 658        \074: Intrcpt
 659        \075: SetWtch
 660        \076: TrnsfVM
 661        \077: DND
 662        \100: DivAll
 663        \101: CallBack
 664        \102: Network congestion,rerouting
 665        \103: Barge
 666        \104: Failed to setup Barge
 667        \105: Another Barge exists
 668        \106: Incompatible device type
 669        \107: No Park Number Available
 670        \110: CallPark Reversion
 671        \111: Service is not Active
 672        \112: High Traffic Try Again Later
 673        \113: QRT
 674        \114: MCID
 675        \115: DirTrfr
 676        \116: Select
 677        \117: ConfList
 678        \120: iDivert
 679        \121: cBarge
 680        \122: Can Not Complete Transfer
 681        \123: Can Not Join Calls
 682        \124: Mcid Successful
 683        \125: Number Not Configured
 684        \126: Security Error
 685        \127: Video Bandwidth Unavailable
 686        \130: VidMode
 687        \131: Max Call Duration Timeout
 688        \132: Max Hold Duration Timeout
 689        \133: OPickUp
 690        \134: ???
 691        \135: ???
 692        \136: ???
 693        \137: ???
 694        \140: ???
 695        \141: External Transfer Restricted
 696        \142: ???
 697        \143: ???
 698        \144: ???
 699        \145: Mac Address
 700        \146: Host Name
 701        \147: Domain Name
 702        \150: IP Address
 703        \151: Subnet Mask
 704        \152: TFTP Server 1
 705        \153: Default Router 1
 706        \154: Default Router 2
 707        \155: Default Router 3
 708        \156: Default Router 4
 709        \157: Default Router 5
 710        \160: DNS Server 1
 711        \161: DNS Server 2
 712        \162: DNS Server 3
 713        \163: DNS Server 4
 714        \164: DNS Server 5
 715        \165: Operational VLAN Id
 716        \166: Admin. VLAN Id
 717        \167: CallManager 1
 718        \170: CallManager 2
 719        \171: CallManager 3
 720        \172: CallManager 4
 721        \173: CallManager 5
 722        \174: Information URL
 723        \175: Directories URL
 724        \176: Messages URL
 725        \177: Services URL
 726  */
 727
 728 struct soft_key_definitions {
 729         const uint8_t mode;
 730         const uint8_t *defaults;
 731         const int count;
 732 };
 733
 734 static const uint8_t soft_key_default_onhook[] = {
 735         SOFTKEY_REDIAL,
 736         SOFTKEY_NEWCALL,
 737         SOFTKEY_CFWDALL,
 738         SOFTKEY_CFWDBUSY,
 739         SOFTKEY_DND,
 740         SOFTKEY_GPICKUP,
 741         SOFTKEY_CONFRN,
 742 };
 743
 744 static const uint8_t soft_key_default_connected[] = {
 745         SOFTKEY_HOLD,
 746         SOFTKEY_ENDCALL,
 747         SOFTKEY_TRNSFER,
 748         SOFTKEY_PARK,
 749         SOFTKEY_CFWDALL,
 750         SOFTKEY_CFWDBUSY,
 751 };
 752
 753 static const uint8_t soft_key_default_onhold[] = {
 754         SOFTKEY_RESUME,
 755         SOFTKEY_NEWCALL,
 756         SOFTKEY_ENDCALL,
 757         SOFTKEY_TRNSFER,
 758 };
 759
 760 static const uint8_t soft_key_default_ringin[] = {
 761         SOFTKEY_ANSWER,
 762         SOFTKEY_ENDCALL,
 763         SOFTKEY_TRNSFER,
 764 };
 765
 766 static const uint8_t soft_key_default_offhook[] = {
 767         SOFTKEY_REDIAL,
 768         SOFTKEY_ENDCALL,
 769         SOFTKEY_CFWDALL,
 770         SOFTKEY_CFWDBUSY,
 771         SOFTKEY_GPICKUP,
 772 };
 773
 774 static const uint8_t soft_key_default_connwithtrans[] = {
 775         SOFTKEY_HOLD,
 776         SOFTKEY_ENDCALL,
 777         SOFTKEY_TRNSFER,
 778         SOFTKEY_PARK,
 779         SOFTKEY_CFWDALL,
 780         SOFTKEY_CFWDBUSY,
 781 };
 782
 783 static const uint8_t soft_key_default_dadfd[] = {
 784         SOFTKEY_BKSPC,
 785         SOFTKEY_ENDCALL,
 786 };
 787
 788 static const uint8_t soft_key_default_connwithconf[] = {
 789         SOFTKEY_NONE,
 790 };
 791
 792 static const uint8_t soft_key_default_ringout[] = {
 793         SOFTKEY_NONE,
 794         SOFTKEY_ENDCALL,
 795 };
 796
 797 static const uint8_t soft_key_default_offhookwithfeat[] = {
 798         SOFTKEY_REDIAL,
 799         SOFTKEY_ENDCALL,
 800 };
 801
 802 static const uint8_t soft_key_default_unknown[] = {
 803         SOFTKEY_NONE,
 804 };
 805
 806 static const struct soft_key_definitions soft_key_default_definitions[] = {
 807         {KEYDEF_ONHOOK, soft_key_default_onhook, sizeof(soft_key_default_onhook) / sizeof(uint8_t)},
 808         {KEYDEF_CONNECTED, soft_key_default_connected, sizeof(soft_key_default_connected) / sizeof(uint8_t)},
 809         {KEYDEF_ONHOLD, soft_key_default_onhold, sizeof(soft_key_default_onhold) / sizeof(uint8_t)},
 810         {KEYDEF_RINGIN, soft_key_default_ringin, sizeof(soft_key_default_ringin) / sizeof(uint8_t)},
 811         {KEYDEF_OFFHOOK, soft_key_default_offhook, sizeof(soft_key_default_offhook) / sizeof(uint8_t)},
 812         {KEYDEF_CONNWITHTRANS, soft_key_default_connwithtrans, sizeof(soft_key_default_connwithtrans) / sizeof(uint8_t)},
 813         {KEYDEF_DADFD, soft_key_default_dadfd, sizeof(soft_key_default_dadfd) / sizeof(uint8_t)},
 814         {KEYDEF_CONNWITHCONF, soft_key_default_connwithconf, sizeof(soft_key_default_connwithconf) / sizeof(uint8_t)},
 815         {KEYDEF_RINGOUT, soft_key_default_ringout, sizeof(soft_key_default_ringout) / sizeof(uint8_t)},
 816         {KEYDEF_OFFHOOKWITHFEAT, soft_key_default_offhookwithfeat, sizeof(soft_key_default_offhookwithfeat) / sizeof(uint8_t)},
 817         {KEYDEF_UNKNOWN, soft_key_default_unknown, sizeof(soft_key_default_unknown) / sizeof(uint8_t)}
 818 };
 819
 820 struct soft_key_template_res_message {
 821         uint32_t softKeyOffset;
 822         uint32_t softKeyCount;
 823         uint32_t totalSoftKeyCount;
 824         struct soft_key_template_definition softKeyTemplateDefinition[32];
 825 };
 826
 827 #define SOFT_KEY_SET_RES_MESSAGE 0x0109
 828
 829 struct soft_key_set_definition {
 830         uint8_t softKeyTemplateIndex[16];
 831         uint16_t softKeyInfoIndex[16];
 832 };
 833
 834 struct soft_key_set_res_message {
 835         uint32_t softKeySetOffset;
 836         uint32_t softKeySetCount;
 837         uint32_t totalSoftKeySetCount;
 838         struct soft_key_set_definition softKeySetDefinition[16];
 839         uint32_t res;
 840 };
 841
 842 #define SELECT_SOFT_KEYS_MESSAGE 0x0110
 843 struct select_soft_keys_message {
 844         uint32_t instance;
 845         uint32_t reference;
 846         uint32_t softKeySetIndex;
 847         uint32_t validKeyMask;
 848 };
 849
 850 #define CALL_STATE_MESSAGE 0x0111
 851 struct call_state_message {
 852         uint32_t callState;
 853         uint32_t lineInstance;
 854         uint32_t callReference;
 855         uint32_t space[3];
 856 };
 857
 858 #define DISPLAY_PROMPT_STATUS_MESSAGE 0x0112
 859 struct display_prompt_status_message {
 860         uint32_t messageTimeout;
 861         char promptMessage[32];
 862         uint32_t lineInstance;
 863         uint32_t callReference;
 864 };
 865
 866 #define CLEAR_PROMPT_MESSAGE  0x0113
 867 struct clear_prompt_message {
 868        uint32_t lineInstance;
 869        uint32_t callReference;
 870 };
 871
 872 #define DISPLAY_NOTIFY_MESSAGE 0x0114
 873 struct display_notify_message {
 874         uint32_t displayTimeout;
 875         char displayMessage[100];
 876 };
 877
 878 #define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
 879 struct activate_call_plane_message {
 880         uint32_t lineInstance;
 881 };
 882
 883 #define DIALED_NUMBER_MESSAGE 0x011D
 884 struct dialed_number_message {
 885         char dialedNumber[24];
 886         uint32_t lineInstance;
 887         uint32_t callReference;
 888 };
 889
 890 union skinny_data {
 891         struct alarm_message alarm;
 892         struct speed_dial_stat_req_message speeddialreq;
 893         struct register_message reg;
 894         struct register_ack_message regack;
 895         struct register_rej_message regrej;
 896         struct capabilities_res_message caps;
 897         struct version_res_message version;
 898         struct button_template_res_message buttontemplate;
 899         struct displaytext_message displaytext;
 900         struct display_prompt_status_message displaypromptstatus;
 901         struct clear_prompt_message clearpromptstatus;
 902         struct definetimedate_message definetimedate;
 903         struct start_tone_message starttone;
 904         struct stop_tone_message stoptone;
 905         struct speed_dial_stat_res_message speeddial;
 906         struct line_state_req_message line;
 907         struct line_stat_res_message linestat;
 908         struct soft_key_set_res_message softkeysets;
 909         struct soft_key_template_res_message softkeytemplate;
 910         struct server_res_message serverres;
 911         struct reset_message reset;
 912         struct set_lamp_message setlamp;
 913         struct set_ringer_message setringer;
 914         struct call_state_message callstate;
 915         struct keypad_button_message keypad;
 916         struct select_soft_keys_message selectsoftkey;
 917         struct activate_call_plane_message activatecallplane;
 918         struct stimulus_message stimulus;
 919         struct offhook_message offhook;
 920         struct onhook_message onhook;
 921         struct set_speaker_message setspeaker;
 922         struct set_microphone_message setmicrophone;
 923         struct call_info_message callinfo;
 924         struct start_media_transmission_message startmedia;
 925         struct stop_media_transmission_message stopmedia;
 926         struct open_receive_channel_message openreceivechannel;
 927         struct open_receive_channel_ack_message openreceivechannelack;
 928         struct close_receive_channel_message closereceivechannel;
 929         struct display_notify_message displaynotify;
 930         struct dialed_number_message dialednumber;
 931         struct soft_key_event_message softkeyeventmessage;
 932         struct enbloc_call_message enbloccallmessage;
 933         struct forward_stat_message forwardstat;
 934 };
 935
 936 /* packet composition */
 937 struct skinny_req {
 938         int len;
 939         int res;
 940         int e;
 941         union skinny_data data;
 942 };
 943
 944 /* XXX This is the combined size of the variables above.  (len, res, e)
 945    If more are added, this MUST change.
 946    (sizeof(skinny_req) - sizeof(skinny_data)) DOES NOT WORK on all systems (amd64?). */
 947 int skinny_header_size = 12;
 948
 949 /*****************************
 950  * Asterisk specific globals *
 951  *****************************/
 952
 953 static int skinnydebug = 0;
 954
 955 /* a hostname, portnumber, socket and such is usefull for VoIP protocols */
 956 static struct sockaddr_in bindaddr;
 957 static char ourhost[256];
 958 static int ourport;
 959 static struct in_addr __ourip;
 960 struct ast_hostent ahp;
 961 struct hostent *hp;
 962 static int skinnysock = -1;
 963 static pthread_t accept_t;
 964 static char context[AST_MAX_CONTEXT] = "default";
 965 static char language[MAX_LANGUAGE] = "";
 966 static char mohinterpret[MAX_MUSICCLASS] = "default";
 967 static char mohsuggest[MAX_MUSICCLASS] = "";
 968 static char cid_num[AST_MAX_EXTENSION] = "";
 969 static char cid_name[AST_MAX_EXTENSION] = "";
 970 static char linelabel[AST_MAX_EXTENSION] ="";
 971 static int nat = 0;
 972 static ast_group_t cur_callergroup = 0;
 973 static ast_group_t cur_pickupgroup = 0;
 974 static int immediate = 0;
 975 static int callwaiting = 0;
 976 static int callreturn = 0;
 977 static int threewaycalling = 0;
 978 static int mwiblink = 0;
 979 /* This is for flashhook transfers */
 980 static int transfer = 0;
 981 static int cancallforward = 0;
 982 /* static int busycount = 3;*/
 983 static char accountcode[AST_MAX_ACCOUNT_CODE] = "";
 984 static char mailbox[AST_MAX_EXTENSION];
 985 static char regexten[AST_MAX_EXTENSION];
 986 static int amaflags = 0;
 987 static int callnums = 1;
 988 static int canreinvite = 0;
 989
 990 #define SKINNY_DEVICE_UNKNOWN           -1
 991 #define SKINNY_DEVICE_NONE              0
 992 #define SKINNY_DEVICE_30SPPLUS          1
 993 #define SKINNY_DEVICE_12SPPLUS          2
 994 #define SKINNY_DEVICE_12SP              3
 995 #define SKINNY_DEVICE_12                4
 996 #define SKINNY_DEVICE_30VIP             5
 997 #define SKINNY_DEVICE_7910              6
 998 #define SKINNY_DEVICE_7960              7
 999 #define SKINNY_DEVICE_7940              8
1000 #define SKINNY_DEVICE_7935              9
1001 #define SKINNY_DEVICE_ATA186            12      /* Cisco ATA-186 */
1002 #define SKINNY_DEVICE_7941              115
1003 #define SKINNY_DEVICE_7971              119
1004 #define SKINNY_DEVICE_7985              302
1005 #define SKINNY_DEVICE_7911              307
1006 #define SKINNY_DEVICE_7961GE            308
1007 #define SKINNY_DEVICE_7941GE            309
1008 #define SKINNY_DEVICE_7921              365
1009 #define SKINNY_DEVICE_7905              20000
1010 #define SKINNY_DEVICE_7920              30002
1011 #define SKINNY_DEVICE_7970              30006
1012 #define SKINNY_DEVICE_7912              30007
1013 #define SKINNY_DEVICE_7902              30008
1014 #define SKINNY_DEVICE_CIPC              30016   /* Cisco IP Communicator */
1015 #define SKINNY_DEVICE_7961              30018
1016 #define SKINNY_DEVICE_7936              30019
1017 #define SKINNY_DEVICE_SCCPGATEWAY_AN    30027   /* ??? */
1018 #define SKINNY_DEVICE_SCCPGATEWAY_BRI   30028   /* ??? */
1019
1020 #define SKINNY_SPEAKERON 1
1021 #define SKINNY_SPEAKEROFF 2
1022
1023 #define SKINNY_MICON 1
1024 #define SKINNY_MICOFF 2
1025
1026 #define SKINNY_OFFHOOK 1
1027 #define SKINNY_ONHOOK 2
1028 #define SKINNY_RINGOUT 3
1029 #define SKINNY_RINGIN 4
1030 #define SKINNY_CONNECTED 5
1031 #define SKINNY_BUSY 6
1032 #define SKINNY_CONGESTION 7
1033 #define SKINNY_HOLD 8
1034 #define SKINNY_CALLWAIT 9
1035 #define SKINNY_TRANSFER 10
1036 #define SKINNY_PARK 11
1037 #define SKINNY_PROGRESS 12
1038 #define SKINNY_CALLREMOTEMULTILINE 13
1039 #define SKINNY_INVALID 14
1040
1041 #define SKINNY_SILENCE          0x00
1042 #define SKINNY_DIALTONE         0x21
1043 #define SKINNY_BUSYTONE         0x23
1044 #define SKINNY_ALERT            0x24
1045 #define SKINNY_REORDER          0x25
1046 #define SKINNY_CALLWAITTONE     0x2D
1047 #define SKINNY_NOTONE           0x7F
1048
1049 #define SKINNY_LAMP_OFF 1
1050 #define SKINNY_LAMP_ON 2
1051 #define SKINNY_LAMP_WINK 3
1052 #define SKINNY_LAMP_FLASH 4
1053 #define SKINNY_LAMP_BLINK 5
1054
1055 #define SKINNY_RING_OFF 1
1056 #define SKINNY_RING_INSIDE 2
1057 #define SKINNY_RING_OUTSIDE 3
1058 #define SKINNY_RING_FEATURE 4
1059
1060 #define SKINNY_CFWD_ALL       (1 << 0)
1061 #define SKINNY_CFWD_BUSY      (1 << 1)
1062 #define SKINNY_CFWD_NOANSWER  (1 << 2)
1063
1064 #define TYPE_TRUNK 1
1065 #define TYPE_LINE 2
1066
1067 /* Skinny rtp stream modes. Do we really need this? */
1068 #define SKINNY_CX_SENDONLY      0
1069 #define SKINNY_CX_RECVONLY      1
1070 #define SKINNY_CX_SENDRECV      2
1071 #define SKINNY_CX_CONF          3
1072 #define SKINNY_CX_CONFERENCE    3
1073 #define SKINNY_CX_MUTE          4
1074 #define SKINNY_CX_INACTIVE      4
1075
1076 #if 0
1077 static char *skinny_cxmodes[] = {
1078         "sendonly",
1079         "recvonly",
1080         "sendrecv",
1081         "confrnce",
1082         "inactive"
1083 };
1084 #endif
1085
1086 /* driver scheduler */
1087 static struct sched_context *sched = NULL;
1088 static struct io_context *io;
1089
1090 /* Protect the monitoring thread, so only one process can kill or start it, and not
1091    when it's doing something critical. */
1092 AST_MUTEX_DEFINE_STATIC(monlock);
1093 /* Protect the network socket */
1094 AST_MUTEX_DEFINE_STATIC(netlock);
1095 /* Protect the session list */
1096 AST_MUTEX_DEFINE_STATIC(sessionlock);
1097 /* Protect the device list */
1098 AST_MUTEX_DEFINE_STATIC(devicelock);
1099 #if 0
1100 /* Protect the paging device list */
1101 AST_MUTEX_DEFINE_STATIC(pagingdevicelock);
1102 #endif
1103
1104 /* This is the thread for the monitor which checks for input on the channels
1105    which are not currently in use. */
1106 static pthread_t monitor_thread = AST_PTHREADT_NULL;
1107
1108 /* Wait up to 16 seconds for first digit */
1109 static int firstdigittimeout = 16000;
1110
1111 /* How long to wait for following digits */
1112 static int gendigittimeout = 8000;
1113
1114 /* How long to wait for an extra digit, if there is an ambiguous match */
1115 static int matchdigittimeout = 3000;
1116
1117 struct skinny_subchannel {
1118         ast_mutex_t lock;
1119         struct ast_channel *owner;
1120         struct ast_rtp *rtp;
1121         struct ast_rtp *vrtp;
1122         unsigned int callid;
1123         /* time_t lastouttime; */                       /* Unused */
1124         int progress;
1125         int ringing;
1126         int onhold;
1127         /* int lastout; */                              /* Unused */
1128         int cxmode;
1129         int nat;
1130         int outgoing;
1131         int alreadygone;
1132
1133         struct skinny_subchannel *next;
1134         struct skinny_line *parent;
1135 };
1136
1137 struct skinny_line {
1138         ast_mutex_t lock;
1139         char name[80];
1140         char label[24];                                 /* Label that shows next to the line buttons */
1141         char accountcode[AST_MAX_ACCOUNT_CODE];
1142         char exten[AST_MAX_EXTENSION];                  /* Extension where to start */
1143         char context[AST_MAX_CONTEXT];
1144         char language[MAX_LANGUAGE];
1145         char cid_num[AST_MAX_EXTENSION];                /* Caller*ID */
1146         char cid_name[AST_MAX_EXTENSION];               /* Caller*ID */
1147         char lastcallerid[AST_MAX_EXTENSION];           /* Last Caller*ID */
1148         int cfwdtype;
1149         char call_forward_all[AST_MAX_EXTENSION];
1150         char call_forward_busy[AST_MAX_EXTENSION];
1151         char call_forward_noanswer[AST_MAX_EXTENSION];
1152         char mailbox[AST_MAX_EXTENSION];
1153         char vmexten[AST_MAX_EXTENSION];
1154         char regexten[AST_MAX_EXTENSION];               /* Extension for auto-extensions */
1155         char regcontext[AST_MAX_CONTEXT];               /* Context for auto-extensions */
1156         char mohinterpret[MAX_MUSICCLASS];
1157         char mohsuggest[MAX_MUSICCLASS];
1158         char lastnumberdialed[AST_MAX_EXTENSION];       /* Last number that was dialed - used for redial */
1159         int curtone;                                    /* Current tone being played */
1160         ast_group_t callgroup;
1161         ast_group_t pickupgroup;
1162         int callwaiting;
1163         int transfer;
1164         int threewaycalling;
1165         int mwiblink;
1166         int cancallforward;
1167         int getforward;
1168         int callreturn;
1169         int dnd; /* How does this affect callwait?  Do we just deny a skinny_request if we're dnd? */
1170         int hascallerid;
1171         int hidecallerid;
1172         int amaflags;
1173         int type;
1174         int instance;
1175         int group;
1176         int needdestroy;
1177         int capability;
1178         int nonCodecCapability;
1179         int onhooktime;
1180         int msgstate;                                   /* voicemail message state */
1181         int immediate;
1182         int hookstate;
1183         int nat;
1184         int canreinvite;
1185
1186         struct ast_codec_pref prefs;
1187         struct skinny_subchannel *sub;
1188         struct skinny_line *next;
1189         struct skinny_device *parent;
1190         struct ast_variable *chanvars;          /*!< Channel variables to set for inbound call */
1191 };
1192
1193 struct skinny_speeddial {
1194         ast_mutex_t lock;
1195         char label[42];
1196         char context[AST_MAX_CONTEXT];
1197         char exten[AST_MAX_EXTENSION];
1198         int instance;
1199         int stateid;
1200         int laststate;
1201         int isHint;
1202
1203         struct skinny_speeddial *next;
1204         struct skinny_device *parent;
1205 };
1206
1207 struct skinny_addon {
1208         ast_mutex_t lock;
1209         char type[10];
1210
1211         struct skinny_addon *next;
1212         struct skinny_device *parent;
1213 };
1214
1215 static struct skinny_device {
1216         /* A device containing one or more lines */
1217         char name[80];
1218         char id[16];
1219         char version_id[16];
1220         char exten[AST_MAX_EXTENSION];          /* Cruddy variable name, pick a better one */
1221         int type;
1222         int registered;
1223         int lastlineinstance;
1224         int lastcallreference;
1225         int capability;
1226         struct sockaddr_in addr;
1227         struct in_addr ourip;
1228         struct skinny_line *lines;
1229         struct skinny_speeddial *speeddials;
1230         struct skinny_addon *addons;
1231         struct ast_codec_pref prefs;
1232         struct ast_ha *ha;
1233         struct skinnysession *session;
1234         struct skinny_device *next;
1235 } *devices = NULL;
1236
1237 struct skinny_paging_device {
1238         char name[80];
1239         char id[16];
1240         struct skinny_device ** devices;
1241         struct skinny_paging_device *next;
1242 };
1243
1244 static struct skinnysession {
1245         pthread_t t;
1246         ast_mutex_t lock;
1247         struct sockaddr_in sin;
1248         int fd;
1249         char inbuf[SKINNY_MAX_PACKET];
1250         char outbuf[SKINNY_MAX_PACKET];
1251         struct skinny_device *device;
1252         struct skinnysession *next;
1253 } *sessions = NULL;
1254
1255 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
1256 static int skinny_devicestate(void *data);
1257 static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
1258 static int skinny_hangup(struct ast_channel *ast);
1259 static int skinny_answer(struct ast_channel *ast);
1260 static struct ast_frame *skinny_read(struct ast_channel *ast);
1261 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
1262 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
1263 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
1264 static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
1265 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
1266 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s);
1267
1268 static const struct ast_channel_tech skinny_tech = {
1269         .type = "Skinny",
1270         .description = tdesc,
1271         .capabilities = AST_FORMAT_AUDIO_MASK,
1272         .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
1273         .requester = skinny_request,
1274         .devicestate = skinny_devicestate,
1275         .call = skinny_call,
1276         .hangup = skinny_hangup,
1277         .answer = skinny_answer,
1278         .read = skinny_read,
1279         .write = skinny_write,
1280         .indicate = skinny_indicate,
1281         .fixup = skinny_fixup,
1282         .send_digit_begin = skinny_senddigit_begin,
1283         .send_digit_end = skinny_senddigit_end,
1284         .bridge = ast_rtp_bridge,
1285 };
1286
1287 static int skinny_extensionstate_cb(char *context, char* exten, int state, void *data);
1288
1289 static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
1290 {
1291         struct skinny_device *d = s->device;
1292         struct skinny_addon *a = d->addons;
1293         int i;
1294
1295         switch (d->type) {
1296                 case SKINNY_DEVICE_30SPPLUS:
1297                 case SKINNY_DEVICE_30VIP:
1298                         /* 13 rows, 2 columns */
1299                         for (i = 0; i < 4; i++)
1300                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1301                         (btn++)->buttonDefinition = BT_REDIAL;
1302                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1303                         (btn++)->buttonDefinition = BT_CALLPARK;
1304                         (btn++)->buttonDefinition = BT_FORWARDALL;
1305                         (btn++)->buttonDefinition = BT_CONFERENCE;
1306                         for (i = 0; i < 4; i++)
1307                                 (btn++)->buttonDefinition = BT_NONE;
1308                         for (i = 0; i < 13; i++)
1309                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1310
1311                         break;
1312                 case SKINNY_DEVICE_12SPPLUS:
1313                 case SKINNY_DEVICE_12SP:
1314                 case SKINNY_DEVICE_12:
1315                         /* 6 rows, 2 columns */
1316                         for (i = 0; i < 2; i++)
1317                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1318                         for (i = 0; i < 4; i++)
1319                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1320                         (btn++)->buttonDefinition = BT_HOLD;
1321                         (btn++)->buttonDefinition = BT_REDIAL;
1322                         (btn++)->buttonDefinition = BT_TRANSFER;
1323                         (btn++)->buttonDefinition = BT_FORWARDALL;
1324                         (btn++)->buttonDefinition = BT_CALLPARK;
1325                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1326                         break;
1327                 case SKINNY_DEVICE_7910:
1328                         (btn++)->buttonDefinition = BT_LINE;
1329                         (btn++)->buttonDefinition = BT_HOLD;
1330                         (btn++)->buttonDefinition = BT_TRANSFER;
1331                         (btn++)->buttonDefinition = BT_DISPLAY;
1332                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1333                         (btn++)->buttonDefinition = BT_CONFERENCE;
1334                         (btn++)->buttonDefinition = BT_FORWARDALL;
1335                         for (i = 0; i < 2; i++)
1336                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1337                         (btn++)->buttonDefinition = BT_REDIAL;
1338                         break;
1339                 case SKINNY_DEVICE_7960:
1340                 case SKINNY_DEVICE_7961:
1341                 case SKINNY_DEVICE_7961GE:
1342                         for (i = 0; i < 6; i++)
1343                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1344                         break;
1345                 case SKINNY_DEVICE_7940:
1346                 case SKINNY_DEVICE_7941:
1347                 case SKINNY_DEVICE_7941GE:
1348                         for (i = 0; i < 2; i++)
1349                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1350                         break;
1351                 case SKINNY_DEVICE_7935:
1352                 case SKINNY_DEVICE_7936:
1353                         for (i = 0; i < 2; i++)
1354                                 (btn++)->buttonDefinition = BT_LINE;
1355                         break;
1356                 case SKINNY_DEVICE_ATA186:
1357                         (btn++)->buttonDefinition = BT_LINE;
1358                         break;
1359                 case SKINNY_DEVICE_7970:
1360                 case SKINNY_DEVICE_7971:
1361                 case SKINNY_DEVICE_CIPC:
1362                         for (i = 0; i < 8; i++)
1363                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1364                         break;
1365                 case SKINNY_DEVICE_7985:
1366                         /* XXX I have no idea what the buttons look like on these. */
1367                         ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
1368                         break;
1369                 case SKINNY_DEVICE_7912:
1370                 case SKINNY_DEVICE_7911:
1371                 case SKINNY_DEVICE_7905:
1372                         (btn++)->buttonDefinition = BT_LINE;
1373                         (btn++)->buttonDefinition = BT_HOLD;
1374                         break;
1375                 case SKINNY_DEVICE_7920:
1376                         /* XXX I don't know if this is right. */
1377                         for (i = 0; i < 4; i++)
1378                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1379                         break;
1380                 case SKINNY_DEVICE_7921:
1381                         for (i = 0; i < 6; i++)
1382                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1383                         break;
1384                 case SKINNY_DEVICE_7902:
1385                         ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
1386                         break;
1387                 case SKINNY_DEVICE_SCCPGATEWAY_AN:
1388                 case SKINNY_DEVICE_SCCPGATEWAY_BRI:
1389                         ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
1390                         break;
1391                 default:
1392                         ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
1393                         break;
1394         }
1395
1396         for (a = d->addons; a; a = a->next) {
1397                 if (!strcasecmp(a->type, "7914")) {
1398                         for (i = 0; i < 14; i++)
1399                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1400                 } else {
1401                         ast_log(LOG_WARNING, "Unknown addon type '%s' found.  Skipping.\n", a->type);
1402                 }
1403         }
1404
1405         return btn;
1406 }
1407
1408 static struct skinny_req *req_alloc(size_t size, int response_message)
1409 {
1410         struct skinny_req *req;
1411
1412         if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
1413                 return NULL;
1414
1415         req->len = htolel(size+4);
1416         req->e = htolel(response_message);
1417
1418         return req;
1419 }
1420
1421 static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
1422 {
1423         struct skinny_line *l;
1424
1425         /*Dialing from on hook or on a 7920 uses instance 0 in requests
1426           but we need to start looking at instance 1 */
1427
1428         if (!instance)
1429                 instance = 1;
1430
1431         for (l = d->lines; l; l = l->next) {
1432                 if (l->instance == instance)
1433                         break;
1434         }
1435
1436         if (!l) {
1437                 ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
1438         }
1439         return l;
1440 }
1441
1442 static struct skinny_line *find_line_by_name(const char *dest)
1443 {
1444         struct skinny_line *l;
1445         struct skinny_line *tmpl = NULL;
1446         struct skinny_device *d;
1447         char line[256];
1448         char *at;
1449         char *device;
1450         int checkdevice = 0;
1451
1452         ast_copy_string(line, dest, sizeof(line));
1453         at = strchr(line, '@');
1454         if (at)
1455                 *at++ = '\0';
1456         device = at;
1457
1458         if (!ast_strlen_zero(device))
1459                 checkdevice = 1;
1460
1461         ast_mutex_lock(&devicelock);
1462         for (d = devices; d; d = d->next) {
1463                 if (checkdevice && tmpl)
1464                         break;
1465                 else if (!checkdevice) {
1466                         /* This is a match, since we're checking for line on every device. */
1467                 } else if (!strcasecmp(d->name, device)) {
1468                         if (skinnydebug)
1469                                 ast_verb(2, "Found device: %s\n", d->name);
1470                 } else
1471                         continue;
1472
1473                 /* Found the device (or we don't care which device) */
1474                 for (l = d->lines; l; l = l->next) {
1475                         /* Search for the right line */
1476                         if (!strcasecmp(l->name, line)) {
1477                                 if (tmpl) {
1478                                         ast_verb(2, "Ambiguous line name: %s\n", line);
1479                                         ast_mutex_unlock(&devicelock);
1480                                         return NULL;
1481                                 } else
1482                                         tmpl = l;
1483                         }
1484                 }
1485         }
1486         ast_mutex_unlock(&devicelock);
1487         return tmpl;
1488 }
1489
1490 /*!
1491  * implement the setvar config line
1492  */
1493 static struct ast_variable *add_var(const char *buf, struct ast_variable *list)
1494 {
1495         struct ast_variable *tmpvar = NULL;
1496         char *varname = ast_strdupa(buf), *varval = NULL;
1497
1498         if ((varval = strchr(varname,'='))) {
1499                 *varval++ = '\0';
1500                 if ((tmpvar = ast_variable_new(varname, varval, ""))) {
1501                         tmpvar->next = list;
1502                         list = tmpvar;
1503                 }
1504         }
1505         return list;
1506 }
1507
1508 /* It's quicker/easier to find the subchannel when we know the instance number too */
1509 static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
1510 {
1511         struct skinny_line *l = find_line_by_instance(d, instance);
1512         struct skinny_subchannel *sub;
1513
1514         if (!l) {
1515                 return NULL;
1516         }
1517
1518         /* 7920 phones set call reference to 0, so use the first
1519            sub-channel on the list.
1520            This MIGHT need more love to be right */
1521         if (!reference)
1522                 sub = l->sub;
1523         else {
1524                 for (sub = l->sub; sub; sub = sub->next) {
1525                         if (sub->callid == reference)
1526                                 break;
1527                 }
1528         }
1529         if (!sub) {
1530                 ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
1531         }
1532         return sub;
1533 }
1534
1535 /* Find the subchannel when we only have the callid - this shouldn't happen often */
1536 static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
1537 {
1538         struct skinny_line *l;
1539         struct skinny_subchannel *sub = NULL;
1540
1541         for (l = d->lines; l; l = l->next) {
1542                 for (sub = l->sub; sub; sub = sub->next) {
1543                         if (sub->callid == reference)
1544                                 break;
1545                 }
1546                 if (sub)
1547                         break;
1548         }
1549
1550         if (!l) {
1551                 ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
1552         } else {
1553                 if (!sub) {
1554                         ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
1555                 }
1556         }
1557         return sub;
1558 }
1559
1560 static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance, int isHint)
1561 {
1562         struct skinny_speeddial *sd;
1563
1564         for (sd = d->speeddials; sd; sd = sd->next) {
1565                 if (sd->isHint == isHint && sd->instance == instance)
1566                         break;
1567         }
1568
1569         if (!sd) {
1570                 ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
1571         }
1572         return sd;
1573 }
1574
1575 static int codec_skinny2ast(enum skinny_codecs skinnycodec)
1576 {
1577         switch (skinnycodec) {
1578         case SKINNY_CODEC_ALAW:
1579                 return AST_FORMAT_ALAW;
1580         case SKINNY_CODEC_ULAW:
1581                 return AST_FORMAT_ULAW;
1582         case SKINNY_CODEC_G723_1:
1583                 return AST_FORMAT_G723_1;
1584         case SKINNY_CODEC_G729A:
1585                 return AST_FORMAT_G729A;
1586         case SKINNY_CODEC_G726_32:
1587                 return AST_FORMAT_G726_AAL2; /* XXX Is this right? */
1588         case SKINNY_CODEC_H261:
1589                 return AST_FORMAT_H261;
1590         case SKINNY_CODEC_H263:
1591                 return AST_FORMAT_H263;
1592         default:
1593                 return 0;
1594         }
1595 }
1596
1597 static int codec_ast2skinny(int astcodec)
1598 {
1599         switch (astcodec) {
1600         case AST_FORMAT_ALAW:
1601                 return SKINNY_CODEC_ALAW;
1602         case AST_FORMAT_ULAW:
1603                 return SKINNY_CODEC_ULAW;
1604         case AST_FORMAT_G723_1:
1605                 return SKINNY_CODEC_G723_1;
1606         case AST_FORMAT_G729A:
1607                 return SKINNY_CODEC_G729A;
1608         case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
1609                 return SKINNY_CODEC_G726_32;
1610         case AST_FORMAT_H261:
1611                 return SKINNY_CODEC_H261;
1612         case AST_FORMAT_H263:
1613                 return SKINNY_CODEC_H263;
1614         default:
1615                 return 0;
1616         }
1617 }
1618
1619 static int set_callforwards(struct skinny_line *l, const char *cfwd, int cfwdtype)
1620 {
1621         if (!l)
1622                 return 0;
1623
1624         if (!ast_strlen_zero(cfwd)) {
1625                 if (cfwdtype & SKINNY_CFWD_ALL) {
1626                         l->cfwdtype |= SKINNY_CFWD_ALL;
1627                         ast_copy_string(l->call_forward_all, cfwd, sizeof(l->call_forward_all));
1628                 }
1629                 if (cfwdtype & SKINNY_CFWD_BUSY) {
1630                         l->cfwdtype |= SKINNY_CFWD_BUSY;
1631                         ast_copy_string(l->call_forward_busy, cfwd, sizeof(l->call_forward_busy));
1632                 }
1633                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
1634                         l->cfwdtype |= SKINNY_CFWD_NOANSWER;
1635                         ast_copy_string(l->call_forward_noanswer, cfwd, sizeof(l->call_forward_noanswer));
1636                 }
1637         } else {
1638                 if (cfwdtype & SKINNY_CFWD_ALL) {
1639                         l->cfwdtype &= ~SKINNY_CFWD_ALL;
1640                         memset(l->call_forward_all, 0, sizeof(l->call_forward_all));
1641                 }
1642                 if (cfwdtype & SKINNY_CFWD_BUSY) {
1643                         l->cfwdtype &= ~SKINNY_CFWD_BUSY;
1644                         memset(l->call_forward_busy, 0, sizeof(l->call_forward_busy));
1645                 }
1646                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
1647                         l->cfwdtype &= ~SKINNY_CFWD_NOANSWER;
1648                         memset(l->call_forward_noanswer, 0, sizeof(l->call_forward_noanswer));
1649                 }
1650         }
1651         return l->cfwdtype;
1652 }
1653
1654 static void cleanup_stale_contexts(char *new, char *old)
1655 {
1656         char *oldcontext, *newcontext, *stalecontext, *stringp, newlist[AST_MAX_CONTEXT];
1657
1658         while ((oldcontext = strsep(&old, "&"))) {
1659                 stalecontext = '\0';
1660                 ast_copy_string(newlist, new, sizeof(newlist));
1661                 stringp = newlist;
1662                 while ((newcontext = strsep(&stringp, "&"))) {
1663                         if (strcmp(newcontext, oldcontext) == 0) {
1664                                 /* This is not the context you're looking for */
1665                                 stalecontext = '\0';
1666                                 break;
1667                         } else if (strcmp(newcontext, oldcontext)) {
1668                                 stalecontext = oldcontext;
1669                         }
1670
1671                 }
1672                 if (stalecontext)
1673                         ast_context_destroy(ast_context_find(stalecontext), "Skinny");
1674         }
1675 }
1676
1677 static void register_exten(struct skinny_line *l)
1678 {
1679         char multi[256];
1680         char *stringp, *ext, *context;
1681
1682         if (ast_strlen_zero(regcontext))
1683                 return;
1684
1685         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
1686         stringp = multi;
1687         while ((ext = strsep(&stringp, "&"))) {
1688                 if ((context = strchr(ext, '@'))) {
1689                         *context++ = '\0';      /* split ext@context */
1690                         if (!ast_context_find(context)) {
1691                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
1692                                 continue;
1693                         }
1694                 } else {
1695                         context = regcontext;
1696                 }
1697                 ast_add_extension(context, 1, ext, 1, NULL, NULL, "Noop",
1698                          ast_strdup(l->name), ast_free_ptr, "Skinny");
1699         }
1700 }
1701
1702 static void unregister_exten(struct skinny_line *l)
1703 {
1704         char multi[256];
1705         char *stringp, *ext, *context;
1706
1707         if (ast_strlen_zero(regcontext))
1708                 return;
1709
1710         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
1711         stringp = multi;
1712         while ((ext = strsep(&stringp, "&"))) {
1713                 if ((context = strchr(ext, '@'))) {
1714                         *context++ = '\0';      /* split ext@context */
1715                         if (!ast_context_find(context)) {
1716                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
1717                                 continue;
1718                         }
1719                 } else {
1720                         context = regcontext;
1721                 }
1722                 ast_context_remove_extension(context, ext, 1, NULL);
1723         }
1724 }
1725
1726 static int skinny_register(struct skinny_req *req, struct skinnysession *s)
1727 {
1728         struct skinny_device *d;
1729         struct skinny_line *l;
1730         struct skinny_speeddial *sd;
1731         struct sockaddr_in sin;
1732         socklen_t slen;
1733
1734         ast_mutex_lock(&devicelock);
1735         for (d = devices; d; d = d->next) {
1736                 if (!strcasecmp(req->data.reg.name, d->id)
1737                                 && ast_apply_ha(d->ha, &(s->sin))) {
1738                         s->device = d;
1739                         d->type = letohl(req->data.reg.type);
1740                         if (ast_strlen_zero(d->version_id)) {
1741                                 ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
1742                         }
1743                         d->registered = 1;
1744                         d->session = s;
1745
1746                         slen = sizeof(sin);
1747                         if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
1748                                 ast_log(LOG_WARNING, "Cannot get socket name\n");
1749                                 sin.sin_addr = __ourip;
1750                         }
1751                         d->ourip = sin.sin_addr;
1752
1753                         for (sd = d->speeddials; sd; sd = sd->next) {
1754                                 sd->stateid = ast_extension_state_add(sd->context, sd->exten, skinny_extensionstate_cb, sd);
1755                         }
1756                         for (l = d->lines; l; l = l->next) {
1757                                 register_exten(l);
1758                                 ast_device_state_changed("Skinny/%s@%s", l->name, d->name);
1759                         }
1760                         break;
1761                 }
1762         }
1763         ast_mutex_unlock(&devicelock);
1764         if (!d) {
1765                 return 0;
1766         }
1767         return 1;
1768 }
1769
1770 static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
1771 {
1772         struct skinny_device *d;
1773         struct skinny_line *l;
1774         struct skinny_speeddial *sd;
1775
1776         d = s->device;
1777
1778         if (d) {
1779                 d->session = NULL;
1780                 d->registered = 0;
1781
1782                 for (sd = d->speeddials; sd; sd = sd->next) {
1783                         if (sd->stateid > -1)
1784                                 ast_extension_state_del(sd->stateid, NULL);
1785                 }
1786                 for (l = d->lines; l; l = l->next) {
1787                         unregister_exten(l);
1788                         ast_device_state_changed("Skinny/%s@%s", l->name, d->name);
1789                 }
1790         }
1791
1792         return -1; /* main loop will destroy the session */
1793 }
1794
1795 static int transmit_response(struct skinnysession *s, struct skinny_req *req)
1796 {
1797         int res = 0;
1798
1799         if (!s) {
1800                 ast_log(LOG_WARNING, "Asked to transmit to a non-existant session!\n");
1801                 return -1;
1802         }
1803
1804         ast_mutex_lock(&s->lock);
1805
1806         if (skinnydebug)
1807                 ast_log(LOG_VERBOSE, "writing packet type %04X (%d bytes) to socket %d\n", letohl(req->e), letohl(req->len)+8, s->fd);
1808
1809         if (letohl(req->len > SKINNY_MAX_PACKET) || letohl(req->len < 0)) {
1810                 ast_log(LOG_WARNING, "transmit_response: the length of the request is out of bounds\n");
1811                 return -1;
1812         }
1813
1814         memset(s->outbuf,0,sizeof(s->outbuf));
1815         memcpy(s->outbuf, req, skinny_header_size);
1816         memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
1817
1818         res = write(s->fd, s->outbuf, letohl(req->len)+8);
1819
1820         if (res != letohl(req->len)+8) {
1821                 ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
1822                 if (res == -1) {
1823                         if (skinnydebug)
1824                                 ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
1825                         skinny_unregister(NULL, s);
1826                 }
1827
1828         }
1829
1830         ast_mutex_unlock(&s->lock);
1831         return 1;
1832 }
1833
1834 static void transmit_speaker_mode(struct skinnysession *s, int mode)
1835 {
1836         struct skinny_req *req;
1837
1838         if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
1839                 return;
1840
1841         req->data.setspeaker.mode = htolel(mode);
1842         transmit_response(s, req);
1843 }
1844 /*
1845 static void transmit_microphone_mode(struct skinnysession *s, int mode)
1846 {
1847         struct skinny_req *req;
1848
1849         if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
1850                 return;
1851
1852         req->data.setmicrophone.mode = htolel(mode);
1853         transmit_response(s, req);
1854 }
1855 */
1856
1857 static void transmit_callinfo(struct skinnysession *s, const char *fromname, const char *fromnum, const char *toname, const char *tonum, int instance, int callid, int calltype)
1858 {
1859         struct skinny_req *req;
1860
1861         if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
1862                 return;
1863
1864         if (skinnydebug)
1865                         ast_debug(1, "Setting Callinfo to %s(%s) from %s(%s) on %s(%d)\n", fromname, fromnum, toname, tonum, s->device->name, instance);
1866
1867         if (fromname) {
1868                 ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
1869         }
1870         if (fromnum) {
1871                 ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
1872         }
1873         if (toname) {
1874                 ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
1875         }
1876         if (tonum) {
1877                 ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
1878         }
1879         req->data.callinfo.instance = htolel(instance);
1880         req->data.callinfo.reference = htolel(callid);
1881         req->data.callinfo.type = htolel(calltype);
1882         transmit_response(s, req);
1883 }
1884
1885 static void transmit_connect(struct skinnysession *s, struct skinny_subchannel *sub)
1886 {
1887         struct skinny_req *req;
1888         struct skinny_line *l = sub->parent;
1889         struct ast_format_list fmt;
1890
1891         if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
1892                 return;
1893
1894         fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
1895
1896         req->data.openreceivechannel.conferenceId = htolel(sub->callid);
1897         req->data.openreceivechannel.partyId = htolel(sub->callid);
1898         req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
1899         req->data.openreceivechannel.capability = htolel(codec_ast2skinny(fmt.bits));
1900         req->data.openreceivechannel.echo = htolel(0);
1901         req->data.openreceivechannel.bitrate = htolel(0);
1902         transmit_response(s, req);
1903 }
1904
1905 static void transmit_tone(struct skinnysession *s, int tone, int instance, int reference)
1906 {
1907         struct skinny_req *req;
1908
1909         if (tone == SKINNY_NOTONE) {
1910                 /* This is bad, mmm'kay? */
1911                 return;
1912         }
1913
1914         if (tone > 0) {
1915                 if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
1916                         return;
1917                 req->data.starttone.tone = htolel(tone);
1918                 req->data.starttone.instance = htolel(instance);
1919                 req->data.starttone.reference = htolel(reference);
1920         } else {
1921                 if (!(req = req_alloc(sizeof(struct stop_tone_message), STOP_TONE_MESSAGE)))
1922                         return;
1923                 req->data.stoptone.instance = htolel(instance);
1924                 req->data.stoptone.reference = htolel(reference);
1925         }
1926
1927         if (tone > 0) {
1928                 req->data.starttone.tone = htolel(tone);
1929         }
1930         transmit_response(s, req);
1931 }
1932
1933 static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
1934 {
1935         struct skinny_req *req;
1936
1937         if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
1938                 return;
1939
1940         req->data.selectsoftkey.instance = htolel(instance);
1941         req->data.selectsoftkey.reference = htolel(callid);
1942         req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
1943         req->data.selectsoftkey.validKeyMask = htolel(0xFFFFFFFF);
1944         transmit_response(s, req);
1945 }
1946
1947 static void transmit_lamp_indication(struct skinnysession *s, int stimulus, int instance, int indication)
1948 {
1949         struct skinny_req *req;
1950
1951         if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
1952                 return;
1953
1954         req->data.setlamp.stimulus = htolel(stimulus);
1955         req->data.setlamp.stimulusInstance = htolel(instance);
1956         req->data.setlamp.deviceStimulus = htolel(indication);
1957         transmit_response(s, req);
1958 }
1959
1960 static void transmit_ringer_mode(struct skinnysession *s, int mode)
1961 {
1962         struct skinny_req *req;
1963
1964         if (skinnydebug)
1965                 ast_debug(1, "Setting ringer mode to '%d'.\n", mode);
1966
1967         if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
1968                 return;
1969
1970         req->data.setringer.ringerMode = htolel(mode);
1971         /* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
1972            Note: The phone will always show as ringing on the display.
1973
1974            1: phone will audibly ring over and over
1975            2: phone will audibly ring only once
1976            any other value, will NOT cause the phone to audibly ring
1977         */
1978         req->data.setringer.unknown1 = htolel(1);
1979         /* XXX the value here doesn't seem to change anything.  Must be higher than 0.
1980            Perhaps a packet capture can shed some light on this. */
1981         req->data.setringer.unknown2 = htolel(1);
1982         transmit_response(s, req);
1983 }
1984
1985 static void transmit_displaymessage(struct skinnysession *s, const char *text, int instance, int reference)
1986 {
1987         struct skinny_req *req;
1988
1989         if (text == 0) {
1990                 if (!(req = req_alloc(0, CLEAR_DISPLAY_MESSAGE)))
1991                         return;
1992
1993                 req->data.clearpromptstatus.lineInstance = instance;
1994                 req->data.clearpromptstatus.callReference = reference;
1995
1996                 if (skinnydebug)
1997                         ast_debug(1, "Clearing Display\n");
1998         } else {
1999                 if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
2000                         return;
2001
2002                 ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
2003                 if (skinnydebug)
2004                         ast_debug(1, "Displaying message '%s'\n", req->data.displaytext.text);
2005         }
2006
2007         transmit_response(s, req);
2008 }
2009
2010 static void transmit_displaynotify(struct skinnysession *s, const char *text, int t)
2011 {
2012         struct skinny_req *req;
2013
2014         if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
2015                 return;
2016
2017         ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
2018         req->data.displaynotify.displayTimeout = htolel(t);
2019
2020         if (skinnydebug)
2021                 ast_debug(1, "Displaying notify '%s'\n", text);
2022
2023         transmit_response(s, req);
2024 }
2025
2026 static void transmit_displaypromptstatus(struct skinnysession *s, const char *text, int t, int instance, int callid)
2027 {
2028         struct skinny_req *req;
2029
2030         if (text == 0) {
2031                 if (!(req = req_alloc(sizeof(struct clear_prompt_message), CLEAR_PROMPT_MESSAGE)))
2032                         return;
2033
2034                 req->data.clearpromptstatus.lineInstance = htolel(instance);
2035                 req->data.clearpromptstatus.callReference = htolel(callid);
2036
2037                 if (skinnydebug)
2038                         ast_debug(1, "Clearing Prompt\n");
2039         } else {
2040                 if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
2041                         return;
2042
2043                 ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
2044                 req->data.displaypromptstatus.messageTimeout = htolel(t);
2045                 req->data.displaypromptstatus.lineInstance = htolel(instance);
2046                 req->data.displaypromptstatus.callReference = htolel(callid);
2047
2048                 if (skinnydebug)
2049                         ast_debug(1, "Displaying Prompt Status '%s'\n", text);
2050         }
2051
2052         transmit_response(s, req);
2053 }
2054
2055 static void transmit_dialednumber(struct skinnysession *s, const char *text, int instance, int callid)
2056 {
2057         struct skinny_req *req;
2058
2059         if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
2060                 return;
2061
2062         ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
2063         req->data.dialednumber.lineInstance = htolel(instance);
2064         req->data.dialednumber.callReference = htolel(callid);
2065
2066         transmit_response(s, req);
2067 }
2068
2069 static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
2070 {
2071         struct skinny_req *req;
2072
2073         if (state == SKINNY_ONHOOK) {
2074                 if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
2075                         return;
2076
2077                 req->data.closereceivechannel.conferenceId = htolel(callid);
2078                 req->data.closereceivechannel.partyId = htolel(callid);
2079                 transmit_response(s, req);
2080
2081                 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2082                         return;
2083
2084                 req->data.stopmedia.conferenceId = htolel(callid);
2085                 req->data.stopmedia.passThruPartyId = htolel(callid);
2086                 transmit_response(s, req);
2087
2088                 transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
2089
2090                 transmit_displaypromptstatus(s, NULL, 0, instance, callid);
2091         }
2092
2093         if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
2094                 return;
2095
2096         req->data.callstate.callState = htolel(state);
2097         req->data.callstate.lineInstance = htolel(instance);
2098         req->data.callstate.callReference = htolel(callid);
2099         transmit_response(s, req);
2100
2101         if (state == SKINNY_ONHOOK) {
2102                 transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
2103         }
2104
2105         if (state == SKINNY_OFFHOOK || state == SKINNY_ONHOOK) {
2106                 if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
2107                         return;
2108
2109                 req->data.activatecallplane.lineInstance = htolel(instance);
2110                 transmit_response(s, req);
2111         }
2112 }
2113
2114
2115 static void transmit_cfwdstate(struct skinnysession *s, struct skinny_line *l)
2116 {
2117         struct skinny_req *req;
2118         int anyon = 0;
2119
2120         if (!(req = req_alloc(sizeof(struct forward_stat_message), FORWARD_STAT_MESSAGE)))
2121                 return;
2122
2123         if (l->cfwdtype & SKINNY_CFWD_ALL) {
2124                 if (!ast_strlen_zero(l->call_forward_all)) {
2125                         ast_copy_string(req->data.forwardstat.fwdallnum, l->call_forward_all, sizeof(req->data.forwardstat.fwdallnum));
2126                         req->data.forwardstat.fwdall = htolel(1);
2127                         anyon++;
2128                 } else {
2129                         req->data.forwardstat.fwdall = htolel(0);
2130                 }
2131         }
2132         if (l->cfwdtype & SKINNY_CFWD_BUSY) {
2133                 if (!ast_strlen_zero(l->call_forward_busy)) {
2134                         ast_copy_string(req->data.forwardstat.fwdbusynum, l->call_forward_busy, sizeof(req->data.forwardstat.fwdbusynum));
2135                         req->data.forwardstat.fwdbusy = htolel(1);
2136                         anyon++;
2137                 } else {
2138                         req->data.forwardstat.fwdbusy = htolel(0);
2139                 }
2140         }
2141         if (l->cfwdtype & SKINNY_CFWD_NOANSWER) {
2142                 if (!ast_strlen_zero(l->call_forward_noanswer)) {
2143                         ast_copy_string(req->data.forwardstat.fwdnoanswernum, l->call_forward_noanswer, sizeof(req->data.forwardstat.fwdnoanswernum));
2144                         req->data.forwardstat.fwdnoanswer = htolel(1);
2145                         anyon++;
2146                 } else {
2147                         req->data.forwardstat.fwdnoanswer = htolel(0);
2148                 }
2149         }
2150         req->data.forwardstat.lineNumber = htolel(l->instance);
2151         if (anyon)
2152                 req->data.forwardstat.activeforward = htolel(7);
2153         else
2154                 req->data.forwardstat.activeforward = htolel(0);
2155
2156         transmit_response(s, req);
2157 }
2158
2159 static int skinny_extensionstate_cb(char *context, char *exten, int state, void *data)
2160 {
2161         struct skinny_speeddial *sd = data;
2162         struct skinny_device *d = sd->parent;
2163         struct skinnysession *s = d->session;
2164         char hint[AST_MAX_EXTENSION];
2165         int callstate = SKINNY_CALLREMOTEMULTILINE;
2166         int lamp = SKINNY_LAMP_OFF;
2167
2168         switch (state) {
2169         case AST_EXTENSION_DEACTIVATED: /* Retry after a while */
2170         case AST_EXTENSION_REMOVED:     /* Extension is gone */
2171                 ast_verb(2, "Extension state: Watcher for hint %s %s. Notify Device %s\n", exten, state == AST_EXTENSION_DEACTIVATED ? "deactivated" : "removed", d->name);
2172                 sd->stateid = -1;
2173                 callstate = SKINNY_ONHOOK;
2174                 lamp = SKINNY_LAMP_OFF;
2175                 break;
2176         case AST_EXTENSION_RINGING:
2177         case AST_EXTENSION_UNAVAILABLE:
2178                 callstate = SKINNY_RINGIN;
2179                 lamp = SKINNY_LAMP_BLINK;
2180                 break;
2181         case AST_EXTENSION_BUSY: /* callstate = SKINNY_BUSY wasn't wanting to work - I'll settle for this */
2182         case AST_EXTENSION_INUSE:
2183                 callstate = SKINNY_CALLREMOTEMULTILINE;
2184                 lamp = SKINNY_LAMP_ON;
2185                 break;
2186         case AST_EXTENSION_ONHOLD:
2187                 callstate = SKINNY_HOLD;
2188                 lamp = SKINNY_LAMP_WINK;
2189                 break;
2190         case AST_EXTENSION_NOT_INUSE:
2191         default:
2192                 callstate = SKINNY_ONHOOK;
2193                 lamp = SKINNY_LAMP_OFF;
2194                 break;
2195         }
2196
2197         if (ast_get_hint(hint, sizeof(hint), NULL, 0, NULL, sd->context, sd->exten)) {
2198                 /* If they are not registered, we will override notification and show no availability */
2199                 if (ast_device_state(hint) == AST_DEVICE_UNAVAILABLE) {
2200                         callstate = SKINNY_ONHOOK;
2201                         lamp = SKINNY_LAMP_FLASH;
2202                 }
2203         }
2204
2205         transmit_lamp_indication(s, STIMULUS_LINE, sd->instance, lamp);
2206         transmit_callstate(s, sd->instance, callstate, 0);
2207         sd->laststate = state;
2208
2209         return 0;
2210 }
2211
2212 static int has_voicemail(struct skinny_line *l)
2213 {
2214         return ast_app_has_voicemail(l->mailbox, NULL);
2215 }
2216
2217 static void do_housekeeping(struct skinnysession *s)
2218 {
2219         int new;
2220         int old;
2221         int device_lamp = 0;
2222         struct skinny_device *d = s->device;
2223         struct skinny_line *l;
2224
2225         /* Update time on device */
2226         handle_time_date_req_message(NULL, s);
2227
2228         /* Set MWI on individual lines */
2229         for (l = d->lines; l; l = l->next) {
2230                 if (has_voicemail(l)) {
2231                         if (skinnydebug)
2232                                 ast_debug(1, "Checking for voicemail Skinny %s@%s\n", l->name, d->name);
2233                         ast_app_inboxcount(l->mailbox, &new, &old);
2234                         if (skinnydebug)
2235                                 ast_debug(1, "Skinny %s@%s has voicemail!\n", l->name, d->name);
2236                         transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, l->mwiblink?SKINNY_LAMP_BLINK:SKINNY_LAMP_ON);
2237                         device_lamp++;
2238                 } else {
2239                         transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, SKINNY_LAMP_OFF);
2240                 }
2241         }
2242         /* If at least one line has VM, turn the device level lamp on */
2243         if (device_lamp)
2244                 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, 0, SKINNY_LAMP_ON);
2245         else
2246                 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, 0, SKINNY_LAMP_OFF);
2247 }
2248
2249 /* I do not believe skinny can deal with video.
2250    Anyone know differently? */
2251 /* Yes, it can.  Currently 7985 and Cisco VT Advantage do video. */
2252 static enum ast_rtp_get_result skinny_get_vrtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
2253 {
2254         struct skinny_subchannel *sub = NULL;
2255
2256         if (!(sub = c->tech_pvt) || !(sub->vrtp))
2257                 return AST_RTP_GET_FAILED;
2258
2259         *rtp = sub->vrtp;
2260
2261         return AST_RTP_TRY_NATIVE;
2262 }
2263
2264 static enum ast_rtp_get_result skinny_get_rtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
2265 {
2266         struct skinny_subchannel *sub = NULL;
2267         struct skinny_line *l;
2268         enum ast_rtp_get_result res = AST_RTP_TRY_NATIVE;
2269
2270         if (skinnydebug)
2271                 ast_debug(1, "skinny_get_rtp_peer() Channel = %s\n", c->name);
2272
2273
2274         if (!(sub = c->tech_pvt))
2275                 return AST_RTP_GET_FAILED;
2276
2277         ast_mutex_lock(&sub->lock);
2278
2279         if (!(sub->rtp)){
2280                 ast_mutex_unlock(&sub->lock);
2281                 return AST_RTP_GET_FAILED;
2282         }
2283
2284         *rtp = sub->rtp;
2285
2286         l = sub->parent;
2287
2288         if (!l->canreinvite || l->nat){
2289                 res = AST_RTP_TRY_PARTIAL;
2290                 if (skinnydebug)
2291                         ast_debug(1, "skinny_get_rtp_peer() Using AST_RTP_TRY_PARTIAL \n");
2292         }
2293
2294         ast_mutex_unlock(&sub->lock);
2295
2296         return res;
2297
2298 }
2299
2300 static int skinny_set_rtp_peer(struct ast_channel *c, struct ast_rtp *rtp, struct ast_rtp *vrtp, struct ast_rtp *trtp, int codecs, int nat_active)
2301 {
2302         struct skinny_subchannel *sub;
2303         struct skinny_line *l;
2304         struct skinny_device *d;
2305         struct skinnysession *s;
2306         struct ast_format_list fmt;
2307         struct sockaddr_in us;
2308         struct sockaddr_in them;
2309         struct skinny_req *req;
2310
2311         sub = c->tech_pvt;
2312
2313         if (c->_state != AST_STATE_UP)
2314                 return 0;
2315
2316         if (!sub) {
2317                 return -1;
2318         }
2319
2320         l = sub->parent;
2321         d = l->parent;
2322         s = d->session;
2323
2324         if (rtp){
2325                 ast_rtp_get_peer(rtp, &them);
2326
2327                 /* Shutdown any early-media or previous media on re-invite */
2328                 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2329                         return -1;
2330
2331                 req->data.stopmedia.conferenceId = htolel(sub->callid);
2332                 req->data.stopmedia.passThruPartyId = htolel(sub->callid);
2333                 transmit_response(s, req);
2334
2335                 if (skinnydebug)
2336                         ast_debug(1, "Peerip = %s:%d\n", ast_inet_ntoa(them.sin_addr), ntohs(them.sin_port));
2337
2338                 if (!(req = req_alloc(sizeof(struct start_media_transmission_message), START_MEDIA_TRANSMISSION_MESSAGE)))
2339                         return -1;
2340
2341                 fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
2342
2343                 if (skinnydebug)
2344                         ast_debug(1, "Setting payloadType to '%d' (%d ms)\n", fmt.bits, fmt.cur_ms);
2345
2346                 req->data.startmedia.conferenceId = htolel(sub->callid);
2347                 req->data.startmedia.passThruPartyId = htolel(sub->callid);
2348                 if (!(l->canreinvite) || (l->nat)){
2349                         ast_rtp_get_us(rtp, &us);
2350                         req->data.startmedia.remoteIp = htolel(d->ourip.s_addr);
2351                         req->data.startmedia.remotePort = htolel(ntohs(us.sin_port));
2352                 } else {
2353                         req->data.startmedia.remoteIp = htolel(them.sin_addr.s_addr);
2354                         req->data.startmedia.remotePort = htolel(ntohs(them.sin_port));
2355                 }
2356                 req->data.startmedia.packetSize = htolel(fmt.cur_ms);
2357                 req->data.startmedia.payloadType = htolel(codec_ast2skinny(fmt.bits));
2358                 req->data.startmedia.qualifier.precedence = htolel(127);
2359                 req->data.startmedia.qualifier.vad = htolel(0);
2360                 req->data.startmedia.qualifier.packets = htolel(0);
2361                 req->data.startmedia.qualifier.bitRate = htolel(0);
2362                 transmit_response(s, req);
2363
2364                 return 0;
2365         }
2366         /* Need a return here to break the bridge */
2367         return 0;
2368 }
2369
2370 static struct ast_rtp_protocol skinny_rtp = {
2371         .type = "Skinny",
2372         .get_rtp_info = skinny_get_rtp_peer,
2373         .get_vrtp_info = skinny_get_vrtp_peer,
2374         .set_rtp_peer = skinny_set_rtp_peer,
2375 };
2376
2377 static char *handle_skinny_set_debug_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2378 {
2379         switch (cmd) {
2380         case CLI_INIT:
2381                 e->command = "skinny set debug [off]";
2382                 e->usage =
2383                         "Usage: skinny set debug [off]\n"
2384                         "       Enables/Disables dumping of Skinny packets for debugging purposes\n";
2385                 return NULL;
2386         case CLI_GENERATE:
2387                 return NULL;
2388         }
2389
2390         if (a->argc < 3 || a->argc > 4)
2391                 return CLI_SHOWUSAGE;
2392
2393         if (a->argc == 3) {
2394                 skinnydebug = 1;
2395                 ast_cli(a->fd, "Skinny Debugging Enabled\n");
2396                 return CLI_SUCCESS;
2397         } else if (!strncasecmp(a->argv[3], "off", 3)) {
2398                 skinnydebug = 0;
2399                 ast_cli(a->fd, "Skinny Debugging Disabled\n");
2400                 return CLI_SUCCESS;
2401         } else {
2402                 return CLI_SHOWUSAGE;
2403         }
2404 }
2405
2406 static char *handle_skinny_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2407 {
2408         switch (cmd) {
2409         case CLI_INIT:
2410                 e->command = "skinny set debug {on|off}";
2411                 e->usage =
2412                         "Usage: skinny set debug {on|off}\n"
2413                         "       Enables/Disables dumping of Skinny packets for debugging purposes\n";
2414                 return NULL;
2415         case CLI_GENERATE:
2416                 return NULL;
2417         }
2418
2419         if (a->argc != e->args)
2420                 return CLI_SHOWUSAGE;
2421
2422         if (!strncasecmp(a->argv[e->args - 1], "on", 2)) {
2423                 skinnydebug = 1;
2424                 ast_cli(a->fd, "Skinny Debugging Enabled\n");
2425                 return CLI_SUCCESS;
2426         } else if (!strncasecmp(a->argv[e->args - 1], "off", 3)) {
2427                 skinnydebug = 0;
2428                 ast_cli(a->fd, "Skinny Debugging Disabled\n");
2429                 return CLI_SUCCESS;
2430         } else {
2431                 return CLI_SHOWUSAGE;
2432         }
2433 }
2434
2435 static char *complete_skinny_devices(const char *word, int state)
2436 {
2437         struct skinny_device *d;
2438         char *result = NULL;
2439         int wordlen = strlen(word), which = 0;
2440
2441         for (d = devices; d && !result; d = d->next) {
2442                 if (!strncasecmp(word, d->id, wordlen) && ++which > state)
2443                         result = ast_strdup(d->id);
2444         }
2445
2446         return result;
2447 }
2448
2449 static char *complete_skinny_show_device(const char *line, const char *word, int pos, int state)
2450 {
2451         return (pos == 3 ? ast_strdup(complete_skinny_devices(word, state)) : NULL);
2452 }
2453
2454 static char *complete_skinny_reset(const char *line, const char *word, int pos, int state)
2455 {
2456         return (pos == 2 ? ast_strdup(complete_skinny_devices(word, state)) : NULL);
2457 }
2458
2459 static char *complete_skinny_show_line(const char *line, const char *word, int pos, int state)
2460 {
2461         struct skinny_device *d;
2462         struct skinny_line *l;
2463         char *result = NULL;
2464         int wordlen = strlen(word), which = 0;
2465
2466         if (pos != 3)
2467                 return NULL;
2468
2469         for (d = devices; d && !result; d = d->next) {
2470                 for (l = d->lines; l && !result; l = l->next) {
2471                         if (!strncasecmp(word, l->name, wordlen) && ++which > state)
2472                                 result = ast_strdup(l->name);
2473                 }
2474         }
2475
2476         return result;
2477 }
2478
2479 static char *handle_skinny_reset(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2480 {
2481         struct skinny_device *d;
2482         struct skinny_req *req;
2483
2484         switch (cmd) {
2485         case CLI_INIT:
2486                 e->command = "skinny reset";
2487                 e->usage =
2488                         "Usage: skinny reset <DeviceId|DeviceName|all> [restart]\n"
2489                         "       Causes a Skinny device to reset itself, optionally with a full restart\n";
2490                 return NULL;
2491         case CLI_GENERATE:
2492                 return complete_skinny_reset(a->line, a->word, a->pos, a->n);
2493         }
2494
2495         if (a->argc < 3 || a->argc > 4)
2496                 return CLI_SHOWUSAGE;
2497
2498         ast_mutex_lock(&devicelock);
2499
2500         for (d = devices; d; d = d->next) {
2501                 int fullrestart = 0;
2502                 if (!strcasecmp(a->argv[2], d->id) || !strcasecmp(a->argv[2], d->name) || !strcasecmp(a->argv[2], "all")) {
2503                         if (!(d->session))
2504                                 continue;
2505
2506                         if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
2507                                 continue;
2508
2509                         if (a->argc == 4 && !strcasecmp(a->argv[3], "restart"))
2510                                 fullrestart = 1;
2511
2512                         if (fullrestart)
2513                                 req->data.reset.resetType = 2;
2514                         else
2515                                 req->data.reset.resetType = 1;
2516
2517                         ast_verb(3, "%s device %s.\n", (fullrestart) ? "Restarting" : "Resetting", d->id);
2518                         transmit_response(d->session, req);
2519                 }
2520         }
2521         ast_mutex_unlock(&devicelock);
2522         return CLI_SUCCESS;
2523 }
2524
2525 static char *device2str(int type)
2526 {
2527         char *tmp;
2528
2529         switch (type) {
2530         case SKINNY_DEVICE_NONE:
2531                 return "No Device";
2532         case SKINNY_DEVICE_30SPPLUS:
2533                 return "30SP Plus";
2534         case SKINNY_DEVICE_12SPPLUS:
2535                 return "12SP Plus";
2536         case SKINNY_DEVICE_12SP:
2537                 return "12SP";
2538         case SKINNY_DEVICE_12:
2539                 return "12";
2540         case SKINNY_DEVICE_30VIP:
2541                 return "30VIP";
2542         case SKINNY_DEVICE_7910:
2543                 return "7910";
2544         case SKINNY_DEVICE_7960:
2545                 return "7960";
2546         case SKINNY_DEVICE_7940:
2547                 return "7940";
2548         case SKINNY_DEVICE_7935:
2549                 return "7935";
2550         case SKINNY_DEVICE_ATA186:
2551                 return "ATA186";
2552         case SKINNY_DEVICE_7941:
2553                 return "7941";
2554         case SKINNY_DEVICE_7971:
2555                 return "7971";
2556         case SKINNY_DEVICE_7985:
2557                 return "7985";
2558         case SKINNY_DEVICE_7911:
2559                 return "7911";
2560         case SKINNY_DEVICE_7961GE:
2561                 return "7961GE";
2562         case SKINNY_DEVICE_7941GE:
2563                 return "7941GE";
2564         case SKINNY_DEVICE_7921:
2565                 return "7921";
2566         case SKINNY_DEVICE_7905:
2567                 return "7905";
2568         case SKINNY_DEVICE_7920:
2569                 return "7920";
2570         case SKINNY_DEVICE_7970:
2571                 return "7970";
2572         case SKINNY_DEVICE_7912:
2573                 return "7912";
2574         case SKINNY_DEVICE_7902:
2575                 return "7902";
2576         case SKINNY_DEVICE_CIPC:
2577                 return "IP Communicator";
2578         case SKINNY_DEVICE_7961:
2579                 return "7961";
2580         case SKINNY_DEVICE_7936:
2581                 return "7936";
2582         case SKINNY_DEVICE_SCCPGATEWAY_AN:
2583                 return "SCCPGATEWAY_AN";
2584         case SKINNY_DEVICE_SCCPGATEWAY_BRI:
2585                 return "SCCPGATEWAY_BRI";
2586         case SKINNY_DEVICE_UNKNOWN:
2587                 return "Unknown";
2588         default:
2589                 if (!(tmp = ast_threadstorage_get(&device2str_threadbuf, DEVICE2STR_BUFSIZE)))
2590                         return "Unknown";
2591                 snprintf(tmp, DEVICE2STR_BUFSIZE, "UNKNOWN-%d", type);
2592                 return tmp;
2593         }
2594 }
2595
2596 /*! \brief Print codec list from preference to CLI/manager */
2597 static void print_codec_to_cli(int fd, struct ast_codec_pref *pref)
2598 {
2599         int x, codec;
2600
2601         for(x = 0; x < 32 ; x++) {
2602                 codec = ast_codec_pref_index(pref, x);
2603                 if (!codec)
2604                         break;
2605                 ast_cli(fd, "%s", ast_getformatname(codec));
2606                 ast_cli(fd, ":%d", pref->framing[x]);
2607                 if (x < 31 && ast_codec_pref_index(pref, x + 1))
2608                         ast_cli(fd, ",");
2609         }
2610         if (!x)
2611                 ast_cli(fd, "none");
2612 }
2613
2614 static char *handle_skinny_show_devices(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2615 {
2616         struct skinny_device *d;
2617         struct skinny_line *l;
2618
2619         switch (cmd) {
2620         case CLI_INIT:
2621                 e->command = "skinny show devices";
2622                 e->usage =
2623                         "Usage: skinny show devices\n"
2624                         "       Lists all devices known to the Skinny subsystem.\n";
2625                 return NULL;
2626         case CLI_GENERATE:
2627                 return NULL;
2628         }
2629
2630         if (a->argc != 3)
2631                 return CLI_SHOWUSAGE;
2632
2633         ast_mutex_lock(&devicelock);
2634
2635         ast_cli(a->fd, "Name                 DeviceId         IP              Type            R NL\n");
2636         ast_cli(a->fd, "-------------------- ---------------- --------------- --------------- - --\n");
2637
2638         for (d = devices; d; d = d->next) {
2639                 int numlines = 0;
2640
2641                 for (l = d->lines; l; l = l->next)
2642                         numlines++;
2643
2644                 ast_cli(a->fd, "%-20s %-16s %-15s %-15s %c %2d\n",
2645                         d->name,
2646                         d->id,
2647                         d->session?ast_inet_ntoa(d->session->sin.sin_addr):"",
2648                         device2str(d->type),
2649                         d->registered?'Y':'N',
2650                         numlines);
2651         }
2652
2653         ast_mutex_unlock(&devicelock);
2654
2655         return CLI_SUCCESS;
2656 }
2657
2658 /*! \brief Show device information */
2659 static char *handle_skinny_show_device(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2660 {
2661         struct skinny_device *d;
2662         struct skinny_line *l;
2663         struct skinny_speeddial *sd;
2664         struct skinny_addon *sa;
2665
2666         switch (cmd) {
2667         case CLI_INIT:
2668                 e->command = "skinny show device";
2669                 e->usage =
2670                         "Usage: skinny show device <DeviceId|DeviceName>\n"
2671                         "       Lists all deviceinformation of a specific device known to the Skinny subsystem.\n";
2672                 return NULL;
2673         case CLI_GENERATE:
2674                 return complete_skinny_show_device(a->line, a->word, a->pos, a->n);
2675         }
2676
2677         if (a->argc < 4)
2678                 return CLI_SHOWUSAGE;
2679
2680         ast_mutex_lock(&devicelock);
2681         for (d = devices; d; d = d->next) {
2682                 if (!strcasecmp(a->argv[3], d->id) || !strcasecmp(a->argv[3], d->name)) {
2683                         int numlines = 0, numaddons = 0, numspeeddials = 0;
2684
2685                         for (l = d->lines; l; l = l->next)
2686                                 numlines++;
2687
2688                         ast_cli(a->fd, "Name:        %s\n", d->name);
2689                         ast_cli(a->fd, "Id:          %s\n", d->id);
2690                         ast_cli(a->fd, "version:     %s\n", S_OR(d->version_id, "Unknown"));
2691                         ast_cli(a->fd, "Ip address:  %s\n", (d->session ? ast_inet_ntoa(d->session->sin.sin_addr) : "Unknown"));
2692                         ast_cli(a->fd, "Port:        %d\n", (d->session ? ntohs(d->session->sin.sin_port) : 0));
2693                         ast_cli(a->fd, "Device Type: %s\n", device2str(d->type));
2694                         ast_cli(a->fd, "Registered:  %s\n", (d->registered ? "Yes" : "No"));
2695                         ast_cli(a->fd, "Lines:       %d\n", numlines);
2696                         for (l = d->lines; l; l = l->next)
2697                                 ast_cli(a->fd, "  %s (%s)\n", l->name, l->label);
2698                         for (sa = d->addons; sa; sa = sa->next)
2699                                 numaddons++;
2700                         ast_cli(a->fd, "Addons:      %d\n", numaddons);
2701                         for (sa = d->addons; sa; sa = sa->next)
2702                                 ast_cli(a->fd, "  %s\n", sa->type);
2703                         for (sd = d->speeddials; sd; sd = sd->next)
2704                                 numspeeddials++;
2705                         ast_cli(a->fd, "Speeddials:  %d\n", numspeeddials);
2706                         for (sd = d->speeddials; sd; sd = sd->next)
2707                                 ast_cli(a->fd, "  %s (%s) ishint: %d\n", sd->exten, sd->label, sd->isHint);
2708                 }
2709         }
2710         ast_mutex_unlock(&devicelock);
2711         return CLI_SUCCESS;
2712 }
2713
2714 static char *handle_skinny_show_lines(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2715 {
2716         struct skinny_device *d;
2717         struct skinny_line *l;
2718
2719         switch (cmd) {
2720         case CLI_INIT:
2721                 e->command = "skinny show lines";
2722                 e->usage =
2723                         "Usage: skinny show lines\n"
2724                         "       Lists all lines known to the Skinny subsystem.\n";
2725                 return NULL;
2726         case CLI_GENERATE:
2727                 return NULL;
2728         }
2729
2730         if (a->argc != 3)
2731                 return CLI_SHOWUSAGE;
2732
2733         ast_mutex_lock(&devicelock);
2734
2735         ast_cli(a->fd, "Device Name          Instance Name                 Label               \n");
2736         ast_cli(a->fd, "-------------------- -------- -------------------- --------------------\n");
2737         for (d = devices; d; d = d->next) {
2738                 for (l = d->lines; l; l = l->next) {
2739                         ast_cli(a->fd, "%-20s %8d %-20s %-20s\n",
2740                                 d->name,
2741                                 l->instance,
2742                                 l->name,
2743                                 l->label);
2744                 }
2745         }
2746
2747         ast_mutex_unlock(&devicelock);
2748         return CLI_SUCCESS;
2749 }
2750
2751 /*! \brief List line information. */
2752 static char *handle_skinny_show_line(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2753 {
2754         struct skinny_device *d;
2755         struct skinny_line *l;
2756         char codec_buf[512];
2757         char group_buf[256];
2758
2759         switch (cmd) {
2760         case CLI_INIT:
2761                 e->command = "skinny show line";
2762                 e->usage =
2763                         "Usage: skinny show line <Line> [ on <DeviceID|DeviceName> ]\n"
2764                         "       List all lineinformation of a specific line known to the Skinny subsystem.\n";
2765                 return NULL;
2766         case CLI_GENERATE:
2767                 return complete_skinny_show_line(a->line, a->word, a->pos, a->n);
2768         }
2769
2770         if (a->argc < 4)
2771                 return CLI_SHOWUSAGE;
2772
2773         ast_mutex_lock(&devicelock);
2774
2775         /* Show all lines matching the one supplied */
2776         for (d = devices; d; d = d->next) {
2777                 if (a->argc == 6 && (strcasecmp(a->argv[5], d->id) && strcasecmp(a->argv[5], d->name)))
2778                         continue;
2779                 for (l = d->lines; l; l = l->next) {
2780                         if (strcasecmp(a->argv[3], l->name))
2781                                 continue;
2782                         ast_cli(a->fd, "Line:             %s\n", l->name);
2783                         ast_cli(a->fd, "On Device:        %s\n", d->name);
2784                         ast_cli(a->fd, "Line Label:       %s\n", l->label);
2785                         ast_cli(a->fd, "Extension:        %s\n", S_OR(l->exten, "<not set>"));
2786                         ast_cli(a->fd, "Context:          %s\n", l->context);
2787                         ast_cli(a->fd, "CallGroup:        %s\n", ast_print_group(group_buf, sizeof(group_buf), l->callgroup));
2788                         ast_cli(a->fd, "PickupGroup:      %s\n", ast_print_group(group_buf, sizeof(group_buf), l->pickupgroup));
2789                         ast_cli(a->fd, "Language:         %s\n", S_OR(l->language, "<not set>"));
2790                         ast_cli(a->fd, "Accountcode:      %s\n", S_OR(l->accountcode, "<not set>"));
2791                         ast_cli(a->fd, "AmaFlag:          %s\n", ast_cdr_flags2str(l->amaflags));
2792                         ast_cli(a->fd, "CallerId Number:  %s\n", S_OR(l->cid_num, "<not set>"));
2793                         ast_cli(a->fd, "CallerId Name:    %s\n", S_OR(l->cid_name, "<not set>"));
2794                         ast_cli(a->fd, "Hide CallerId:    %s\n", (l->hidecallerid ? "Yes" : "No"));
2795                         ast_cli(a->fd, "CFwdAll:          %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_ALL), l->call_forward_all, "<not set>"));
2796                         ast_cli(a->fd, "CFwdBusy:         %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_BUSY), l->call_forward_busy, "<not set>"));
2797                         ast_cli(a->fd, "CFwdNoAnswer:     %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_NOANSWER), l->call_forward_noanswer, "<not set>"));
2798                         ast_cli(a->fd, "VoicemailBox:     %s\n", S_OR(l->mailbox, "<not set>"));
2799                         ast_cli(a->fd, "VoicemailNumber:  %s\n", S_OR(l->vmexten, "<not set>"));
2800                         ast_cli(a->fd, "MWIblink:         %d\n", l->mwiblink);
2801                         ast_cli(a->fd, "Regextension:     %s\n", S_OR(l->regexten, "<not set>"));
2802                         ast_cli(a->fd, "Regcontext:       %s\n", S_OR(l->regcontext, "<not set>"));
2803                         ast_cli(a->fd, "MoHInterpret:     %s\n", S_OR(l->mohinterpret, "<not set>"));
2804                         ast_cli(a->fd, "MoHSuggest:       %s\n", S_OR(l->mohsuggest, "<not set>"));
2805                         ast_cli(a->fd, "Last dialed nr:   %s\n", S_OR(l->lastnumberdialed, "<no calls made yet>"));
2806                         ast_cli(a->fd, "Last CallerID:    %s\n", S_OR(l->lastcallerid, "<not set>"));
2807                         ast_cli(a->fd, "Transfer enabled: %s\n", (l->transfer ? "Yes" : "No"));
2808                         ast_cli(a->fd, "Callwaiting:      %s\n", (l->callwaiting ? "Yes" : "No"));
2809                         ast_cli(a->fd, "3Way Calling:     %s\n", (l->threewaycalling ? "Yes" : "No"));
2810                         ast_cli(a->fd, "Can forward:      %s\n", (l->cancallforward ? "Yes" : "No"));
2811                         ast_cli(a->fd, "Do Not Disturb:   %s\n", (l->dnd ? "Yes" : "No"));
2812                         ast_cli(a->fd, "NAT:              %s\n", (l->nat ? "Yes" : "No"));
2813                         ast_cli(a->fd, "immediate:        %s\n", (l->immediate ? "Yes" : "No"));
2814                         ast_cli(a->fd, "Group:            %d\n", l->group);
2815                         ast_cli(a->fd, "Codecs:           ");
2816                         ast_getformatname_multiple(codec_buf, sizeof(codec_buf) - 1, l->capability);
2817                         ast_cli(a->fd, "%s\n", codec_buf);
2818                         ast_cli(a->fd, "Codec Order:      (");
2819                         print_codec_to_cli(a->fd, &l->prefs);
2820                         ast_cli(a->fd, ")\n");
2821                         ast_cli(a->fd, "\n");
2822                 }
2823         }
2824
2825         ast_mutex_unlock(&devicelock);
2826         return CLI_SUCCESS;
2827 }
2828
2829 /*! \brief List global settings for the Skinny subsystem. */
2830 static char *handle_skinny_show_settings(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2831 {
2832         switch (cmd) {
2833         case CLI_INIT:
2834                 e->command = "skinny show settings";
2835                 e->usage =
2836                         "Usage: skinny show settings\n"
2837                         "       Lists all global configuration settings of the Skinny subsystem.\n";
2838                 return NULL;
2839         case CLI_GENERATE:
2840                 return NULL;
2841         }
2842
2843         if (a->argc != 3)
2844                 return CLI_SHOWUSAGE;
2845
2846         ast_cli(a->fd, "\nGlobal Settings:\n");
2847         ast_cli(a->fd, "  Skinny Port:            %d\n", ntohs(bindaddr.sin_port));
2848         ast_cli(a->fd, "  Bindaddress:            %s\n", ast_inet_ntoa(bindaddr.sin_addr));
2849         ast_cli(a->fd, "  KeepAlive:              %d\n", keep_alive);
2850         ast_cli(a->fd, "  Date Format:            %s\n", date_format);
2851         ast_cli(a->fd, "  Voice Mail Extension:   %s\n", S_OR(vmexten, "(not set)"));
2852         ast_cli(a->fd, "  Reg. context:           %s\n", S_OR(regcontext, "(not set)"));
2853         ast_cli(a->fd, "  Jitterbuffer enabled:   %s\n", (ast_test_flag(&global_jbconf, AST_JB_ENABLED) ? "Yes" : "No"));
2854         ast_cli(a->fd, "  Jitterbuffer forced:    %s\n", (ast_test_flag(&global_jbconf, AST_JB_FORCED) ? "Yes" : "No"));
2855         ast_cli(a->fd, "  Jitterbuffer max size:  %ld\n", global_jbconf.max_size);
2856         ast_cli(a->fd, "  Jitterbuffer resync:    %ld\n", global_jbconf.resync_threshold);
2857         ast_cli(a->fd, "  Jitterbuffer impl:      %s\n", global_jbconf.impl);
2858         ast_cli(a->fd, "  Jitterbuffer log:       %s\n", (ast_test_flag(&global_jbconf, AST_JB_LOG) ? "Yes" : "No"));
2859
2860         return CLI_SUCCESS;
2861 }
2862
2863 static struct ast_cli_entry cli_skinny_set_debug_deprecated = AST_CLI_DEFINE(handle_skinny_set_debug_deprecated, "Enable/Disable Skinny debugging");
2864 static struct ast_cli_entry cli_skinny[] = {
2865         AST_CLI_DEFINE(handle_skinny_show_devices, "List defined Skinny devices"),
2866         AST_CLI_DEFINE(handle_skinny_show_device, "List Skinny device information"),
2867         AST_CLI_DEFINE(handle_skinny_show_lines, "List defined Skinny lines per device"),
2868         AST_CLI_DEFINE(handle_skinny_show_line, "List Skinny line information"),
2869         AST_CLI_DEFINE(handle_skinny_show_settings, "List global Skinny settings"),
2870         AST_CLI_DEFINE(handle_skinny_set_debug, "Enable/Disable Skinny debugging", .deprecate_cmd = &cli_skinny_set_debug_deprecated),
2871         AST_CLI_DEFINE(handle_skinny_reset, "Reset Skinny device(s)"),
2872 };
2873
2874 #if 0
2875 static struct skinny_paging_device *build_paging_device(const char *cat, struct ast_variable *v)
2876 {
2877         return NULL;
2878 }
2879 #endif
2880
2881 static struct skinny_device *build_device(const char *cat, struct ast_variable *v)
2882 {
2883         struct skinny_device *d;
2884         struct skinny_line *l;
2885         struct skinny_speeddial *sd;
2886         struct skinny_addon *a;
2887         char device_vmexten[AST_MAX_EXTENSION];
2888         struct ast_variable *chanvars = NULL;
2889         int lineInstance = 1;
2890         int speeddialInstance = 1;
2891         int y = 0;
2892
2893         if (!(d = ast_calloc(1, sizeof(*d)))) {
2894                 return NULL;
2895         } else {
2896                 ast_copy_string(d->name, cat, sizeof(d->name));
2897                 d->lastlineinstance = 1;
2898                 d->capability = default_capability;
2899                 d->prefs = default_prefs;
2900                 if (!ast_strlen_zero(vmexten))
2901                         ast_copy_string(device_vmexten, vmexten, sizeof(device_vmexten));
2902                 else
2903                         memset(device_vmexten, 0, sizeof(device_vmexten));
2904
2905                 while(v) {
2906                         if (!strcasecmp(v->name, "host")) {
2907                                 if (ast_get_ip(&d->addr, v->value)) {
2908                                         ast_free(d);
2909                                         return NULL;
2910                                 }
2911                         } else if (!strcasecmp(v->name, "port")) {
2912                                 d->addr.sin_port = htons(atoi(v->value));
2913                         } else if (!strcasecmp(v->name, "device")) {
2914                                 ast_copy_string(d->id, v->value, sizeof(d->id));
2915                         } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
2916                                 d->ha = ast_append_ha(v->name, v->value, d->ha, NULL);
2917                         } else if (!strcasecmp(v->name, "vmexten")) {
2918                                 ast_copy_string(device_vmexten, v->value, sizeof(device_vmexten));
2919                         } else if (!strcasecmp(v->name, "context")) {
2920                                 ast_copy_string(context, v->value, sizeof(context));
2921                         } else if (!strcasecmp(v->name, "regexten")) {
2922                                 ast_copy_string(regexten, v->value, sizeof(regexten));
2923                         } else if (!strcasecmp(v->name, "allow")) {
2924                                 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 1);
2925                         } else if (!strcasecmp(v->name, "disallow")) {
2926                                 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 0);
2927                         } else if (!strcasecmp(v->name, "version")) {
2928                                 ast_copy_string(d->version_id, v->value, sizeof(d->version_id));
2929                         } else if (!strcasecmp(v->name, "canreinvite")) {
2930                                 canreinvite = ast_true(v->value);
2931                         } else if (!strcasecmp(v->name, "nat")) {
2932                                 nat = ast_true(v->value);
2933                         } else if (!strcasecmp(v->name, "callerid")) {
2934                                 if (!strcasecmp(v->value, "asreceived")) {
2935                                         cid_num[0] = '\0';
2936                                         cid_name[0] = '\0';
2937                                 } else {
2938                                         ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
2939                                 }
2940                         } else if (!strcasecmp(v->name, "language")) {
2941                                 ast_copy_string(language, v->value, sizeof(language));
2942                         } else if (!strcasecmp(v->name, "accountcode")) {
2943                                 ast_copy_string(accountcode, v->value, sizeof(accountcode));
2944                         } else if (!strcasecmp(v->name, "amaflags")) {
2945                                 y = ast_cdr_amaflags2int(v->value);
2946                                 if (y < 0) {
2947                                         ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
2948                                 } else {
2949                                         amaflags = y;
2950                                 }
2951                         } else if (!strcasecmp(v->name, "mohinterpret") || !strcasecmp(v->name, "musiconhold")) {
2952                                 ast_copy_string(mohinterpret, v->value, sizeof(mohinterpret));
2953                         } else if (!strcasecmp(v->name, "mohsuggest")) {
2954                                 ast_copy_string(mohsuggest, v->value, sizeof(mohsuggest));
2955                         } else if (!strcasecmp(v->name, "callgroup")) {
2956                                 cur_callergroup = ast_get_group(v->value);
2957                         } else if (!strcasecmp(v->name, "pickupgroup")) {
2958                                 cur_pickupgroup = ast_get_group(v->value);
2959                         } else if (!strcasecmp(v->name, "immediate")) {
2960                                 immediate = ast_true(v->value);
2961                         } else if (!strcasecmp(v->name, "cancallforward")) {
2962                                 cancallforward = ast_true(v->value);
2963                         } else if (!strcasecmp(v->name, "mailbox")) {
2964                                 ast_copy_string(mailbox, v->value, sizeof(mailbox));
2965                         } else if (!strcasecmp(v->name, "callreturn")) {
2966                                 callreturn = ast_true(v->value);
2967                         } else if (!strcasecmp(v->name, "callwaiting")) {
2968                                 callwaiting = ast_true(v->value);
2969                         } else if (!strcasecmp(v->name, "transfer")) {
2970                                 transfer = ast_true(v->value);
2971                         } else if (!strcasecmp(v->name, "threewaycalling")) {
2972                                 threewaycalling = ast_true(v->value);
2973                         } else if (!strcasecmp(v->name, "mwiblink")) {
2974                                 mwiblink = ast_true(v->value);
2975                         } else if (!strcasecmp(v->name, "linelabel")) {
2976                                 ast_copy_string(linelabel, v->value, sizeof(linelabel));
2977                         } else if (!strcasecmp(v->name, "setvar")) {
2978                                 chanvars = add_var(v->value, chanvars);
2979                         } else if (!strcasecmp(v->name, "speeddial")) {
2980                                 if (!(sd = ast_calloc(1, sizeof(*sd)))) {
2981                                         return NULL;
2982                                 } else {
2983                                         char buf[256];
2984                                         char *stringp = buf, *exten, *context, *label;
2985
2986                                         ast_copy_string(buf, v->value, sizeof(buf));
2987                                         exten = strsep(&stringp, ",");
2988                                         if ((context = strchr(exten, '@'))) {
2989                                                 *context++ = '\0';
2990                                         }
2991                                         label = stringp;
2992                                         ast_mutex_init(&sd->lock);
2993                                         ast_copy_string(sd->exten, exten, sizeof(sd->exten));
2994                                         if (!ast_strlen_zero(context)) {
2995                                                 sd->isHint = 1;
2996                                                 sd->instance = lineInstance++;
2997                                                 ast_copy_string(sd->context, context, sizeof(sd->context));
2998                                         } else {
2999                                                 sd->isHint = 0;
3000                                                 sd->instance = speeddialInstance++;
3001                                                 sd->context[0] = '\0';
3002                                         }
3003                                         ast_copy_string(sd->label, S_OR(label, exten), sizeof(sd->label));
3004
3005                                         sd->parent = d;
3006
3007                                         sd->next = d->speeddials;
3008                                         d->speeddials = sd;
3009                                 }
3010                         } else if (!strcasecmp(v->name, "addon")) {
3011                                 if (!(a = ast_calloc(1, sizeof(*a)))) {
3012                                         return NULL;
3013                                 } else {
3014                                         ast_mutex_init(&a->lock);
3015                                         ast_copy_string(a->type, v->value, sizeof(a->type));
3016
3017                                         a->next = d->addons;
3018                                         d->addons = a;
3019                                 }
3020                         } else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
3021                                 if (!(l = ast_calloc(1, sizeof(*l)))) {
3022                                         return NULL;
3023                                 } else {
3024                                         ast_mutex_init(&l->lock);
3025                                         ast_copy_string(l->name, v->value, sizeof(l->name));
3026
3027                                         /* XXX Should we check for uniqueness?? XXX */
3028                                         ast_copy_string(l->context, context, sizeof(l->context));
3029                                         ast_copy_string(l->cid_num, cid_num, sizeof(l->cid_num));
3030                                         ast_copy_string(l->cid_name, cid_name, sizeof(l->cid_name));
3031                                         ast_copy_string(l->label, linelabel, sizeof(l->label));
3032                                         ast_copy_string(l->language, language, sizeof(l->language));
3033                                         ast_copy_string(l->mohinterpret, mohinterpret, sizeof(l->mohinterpret));
3034                                         ast_copy_string(l->mohsuggest, mohsuggest, sizeof(l->mohsuggest));
3035                                         ast_copy_string(l->regexten, regexten, sizeof(l->regexten));
3036                                         ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
3037                                         if (!ast_strlen_zero(mailbox))
3038                                                 ast_verb(3, "Setting mailbox '%s' on %s@%s\n", mailbox, d->name, l->name);
3039                                         ast_copy_string(l->vmexten, device_vmexten, sizeof(vmexten));
3040                                         l->chanvars = chanvars;
3041                                         l->msgstate = -1;
3042                                         l->capability = d->capability;
3043                                         l->prefs = d->prefs;
3044                                         l->parent = d;
3045                                         if (!strcasecmp(v->name, "trunk")) {
3046                                                 l->type = TYPE_TRUNK;
3047                                         } else {
3048                                                 l->type = TYPE_LINE;
3049                                         }
3050                                         l->immediate = immediate;
3051                                         l->callgroup = cur_callergroup;
3052                                         l->pickupgroup = cur_pickupgroup;
3053                                         l->callreturn = callreturn;
3054                                         l->cancallforward = cancallforward;
3055                                         l->getforward = 0;
3056                                         set_callforwards(l, NULL, 0);
3057                                         l->callwaiting = callwaiting;
3058                                         l->transfer = transfer;
3059                                         l->threewaycalling = threewaycalling;
3060                                         l->mwiblink = mwiblink;
3061                                         l->onhooktime = time(NULL);
3062                                         l->instance = lineInstance++;
3063                                         /* ASSUME we're onhook at this point */
3064                                         l->hookstate = SKINNY_ONHOOK;
3065                                         l->nat = nat;
3066                                         l->canreinvite = canreinvite;
3067
3068                                         l->next = d->lines;
3069                                         d->lines = l;
3070                                 }
3071                         } else {
3072                                 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
3073                         }
3074                         v = v->next;
3075                 }
3076
3077                 if (!d->lines) {
3078                         ast_log(LOG_ERROR, "A Skinny device must have at least one line!\n");
3079                         return NULL;
3080                 }
3081                 if (/*d->addr.sin_addr.s_addr && */!ntohs(d->addr.sin_port)) {
3082                         d->addr.sin_port = htons(DEFAULT_SKINNY_PORT);
3083                 }
3084 #if 0
3085                 /* I don't think we need this anymore at all, since d->ourip is set in skinny_register now */
3086                 if (d->addr.sin_addr.s_addr) {
3087                         /* XXX See note above, in 'host' option. */
3088                         if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
3089                                 d->ourip = __ourip;
3090                         }
3091                 } else {
3092                         d->ourip = __ourip;
3093                 }
3094 #endif
3095         }
3096         return d;
3097 }
3098
3099 static void start_rtp(struct skinny_subchannel *sub)
3100 {
3101         struct skinny_line *l = sub->parent;
3102         struct skinny_device *d = l->parent;
3103         int hasvideo = 0;
3104
3105         ast_mutex_lock(&sub->lock);
3106         /* Allocate the RTP */
3107         sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
3108         if (hasvideo)
3109                 sub->vrtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
3110
3111         if (sub->rtp && sub->owner) {
3112                 ast_channel_set_fd(sub->owner, 0, ast_rtp_fd(sub->rtp));
3113                 ast_channel_set_fd(sub->owner, 1, ast_rtcp_fd(sub->rtp));
3114         }
3115         if (hasvideo && sub->vrtp && sub->owner) {
3116                 ast_channel_set_fd(sub->owner, 2, ast_rtp_fd(sub->vrtp));
3117                 ast_channel_set_fd(sub->owner, 3, ast_rtcp_fd(sub->vrtp));
3118         }
3119         if (sub->rtp) {
3120                 ast_rtp_setqos(sub->rtp, tos_audio, cos_audio, "Skinny RTP");
3121                 ast_rtp_setnat(sub->rtp, l->nat);
3122         }
3123         if (sub->vrtp) {
3124                 ast_rtp_setqos(sub->vrtp, tos_video, cos_video, "Skinny VRTP");
3125                 ast_rtp_setnat(sub->vrtp, l->nat);
3126         }
3127         /* Set Frame packetization */
3128         if (sub->rtp)
3129                 ast_rtp_codec_setpref(sub->rtp, &l->prefs);
3130
3131         /* Create the RTP connection */
3132         transmit_connect(d->session, sub);
3133         ast_mutex_unlock(&sub->lock);
3134 }
3135
3136 static void *skinny_newcall(void *data)
3137 {
3138         struct ast_channel *c = data;
3139         struct skinny_subchannel *sub = c->tech_pvt;
3140         struct skinny_line *l = sub->parent;
3141         struct skinny_device *d = l->parent;
3142         struct skinnysession *s = d->session;
3143         int res = 0;
3144
3145         ast_copy_string(l->lastnumberdialed, c->exten, sizeof(l->lastnumberdialed));
3146         ast_set_callerid(c,
3147                 l->hidecallerid ? "" : l->cid_num,
3148                 l->hidecallerid ? "" : l->cid_name,
3149                 c->cid.cid_ani ? NULL : l->cid_num);
3150         ast_setstate(c, AST_STATE_RING);
3151         res = ast_pbx_run(c);
3152         if (res) {
3153                 ast_log(LOG_WARNING, "PBX exited non-zero\n");
3154                 transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3155         }
3156         return NULL;
3157 }
3158
3159 static void *skinny_ss(void *data)
3160 {
3161         struct ast_channel *c = data;
3162         struct skinny_subchannel *sub = c->tech_pvt;
3163         struct skinny_line *l = sub->parent;
3164         struct skinny_device *d = l->parent;
3165         struct skinnysession *s = d->session;
3166         int len = 0;
3167         int timeout = firstdigittimeout;
3168         int res = 0;
3169         int loop_pause = 100;
3170
3171         ast_verb(3, "Starting simple switch on '%s@%s'\n", l->name, d->name);
3172
3173         len = strlen(d->exten);
3174
3175         while (len < AST_MAX_EXTENSION-1) {
3176                 res = 1;  /* Assume that we will get a digit */
3177                 while (strlen(d->exten) == len){
3178                         ast_safe_sleep(c, loop_pause);
3179                         timeout -= loop_pause;
3180                         if ( (timeout -= loop_pause) <= 0){
3181                                  res = 0;
3182                                  break;
3183                         }
3184                 res = 1;
3185                 }
3186
3187                 timeout = 0;
3188                 len = strlen(d->exten);
3189
3190                 if (!ast_ignore_pattern(c->context, d->exten)) {
3191                         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3192                 }
3193                 if (ast_exists_extension(c, c->context, d->exten, 1, l->cid_num)) {
3194                         if (!res || !ast_matchmore_extension(c, c->context, d->exten, 1, l->cid_num)) {
3195                                 if (l->getforward) {
3196                                         /* Record this as the forwarding extension */
3197                                    &nb