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 /*! \li \ref chan_skinny.c uses the configuration file \ref skinny.conf
  29  * \addtogroup configuration_file
  30  */
  31
  32 /*! \page skinny.conf skinny.conf
  33  * \verbinclude skinny.conf.sample
  34  */
  35
  36 /*** MODULEINFO
  37         <support_level>extended</support_level>
  38  ***/
  39
  40 #include "asterisk.h"
  41
  42 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  43
  44 #include <sys/socket.h>
  45 #include <netinet/in.h>
  46 #include <netinet/tcp.h>
  47 #include <sys/ioctl.h>
  48 #include <net/if.h>
  49 #include <fcntl.h>
  50 #include <netdb.h>
  51 #include <arpa/inet.h>
  52 #include <sys/signal.h>
  53 #include <signal.h>
  54 #include <ctype.h>
  55
  56 #include "asterisk/lock.h"
  57 #include "asterisk/channel.h"
  58 #include "asterisk/config.h"
  59 #include "asterisk/module.h"
  60 #include "asterisk/pbx.h"
  61 #include "asterisk/sched.h"
  62 #include "asterisk/io.h"
  63 #include "asterisk/rtp_engine.h"
  64 #include "asterisk/netsock2.h"
  65 #include "asterisk/acl.h"
  66 #include "asterisk/callerid.h"
  67 #include "asterisk/cli.h"
  68 #include "asterisk/manager.h"
  69 #include "asterisk/say.h"
  70 #include "asterisk/cdr.h"
  71 #include "asterisk/astdb.h"
  72 #include "asterisk/features.h"
  73 #include "asterisk/app.h"
  74 #include "asterisk/musiconhold.h"
  75 #include "asterisk/utils.h"
  76 #include "asterisk/dsp.h"
  77 #include "asterisk/stringfields.h"
  78 #include "asterisk/abstract_jb.h"
  79 #include "asterisk/threadstorage.h"
  80 #include "asterisk/devicestate.h"
  81 #include "asterisk/event.h"
  82 #include "asterisk/indications.h"
  83 #include "asterisk/linkedlists.h"
  84
  85 /*** DOCUMENTATION
  86         <manager name="SKINNYdevices" language="en_US">
  87                 <synopsis>
  88                         List SKINNY devices (text format).
  89                 </synopsis>
  90                 <syntax>
  91                         <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
  92                 </syntax>
  93                 <description>
  94                         <para>Lists Skinny devices in text format with details on current status.
  95                         Devicelist will follow as separate events, followed by a final event called
  96                         DevicelistComplete.</para>
  97                 </description>
  98         </manager>
  99         <manager name="SKINNYshowdevice" language="en_US">
 100                 <synopsis>
 101                         Show SKINNY device (text format).
 102                 </synopsis>
 103                 <syntax>
 104                         <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
 105                         <parameter name="Device" required="true">
 106                                 <para>The device name you want to check.</para>
 107                         </parameter>
 108                 </syntax>
 109                 <description>
 110                         <para>Show one SKINNY device with details on current status.</para>
 111                 </description>
 112         </manager>
 113         <manager name="SKINNYlines" language="en_US">
 114                 <synopsis>
 115                         List SKINNY lines (text format).
 116                 </synopsis>
 117                 <syntax>
 118                         <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
 119                 </syntax>
 120                 <description>
 121                         <para>Lists Skinny lines in text format with details on current status.
 122                         Linelist will follow as separate events, followed by a final event called
 123                         LinelistComplete.</para>
 124                 </description>
 125         </manager>
 126         <manager name="SKINNYshowline" language="en_US">
 127                 <synopsis>
 128                         Show SKINNY line (text format).
 129                 </synopsis>
 130                 <syntax>
 131                         <xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
 132                         <parameter name="Line" required="true">
 133                                 <para>The line name you want to check.</para>
 134                         </parameter>
 135                 </syntax>
 136                 <description>
 137                         <para>Show one SKINNY line with details on current status.</para>
 138                 </description>
 139         </manager>
 140  ***/
 141
 142 /* Skinny debugging only available if asterisk configured with --enable-dev-mode */
 143 #ifdef AST_DEVMODE
 144 static int skinnydebug = 0;
 145 char dbgcli_buf[256];
 146 char dbgreg_buf[256];
 147 char dbgsub_buf[256];
 148 #define DEBUG_GENERAL   (1 << 1)
 149 #define DEBUG_SUB       (1 << 2)
 150 #define DEBUG_PACKET    (1 << 3)
 151 #define DEBUG_AUDIO     (1 << 4)
 152 #define DEBUG_LOCK      (1 << 5)
 153 #define DEBUG_TEMPLATE  (1 << 6)
 154 #define DEBUG_THREAD    (1 << 7)
 155 #define DEBUG_HINT      (1 << 8)
 156 #define SKINNY_DEBUG(type, verb_level, text, ...)                                               \
 157         do{                                                                                     \
 158                 if (skinnydebug & (type)) {                                                     \
 159                         ast_verb(verb_level, "[%d] " text, ast_get_tid(), ##__VA_ARGS__);       \
 160                 }                                                                               \
 161         }while(0)
 162 #else
 163 #define SKINNY_DEBUG(type, verb_level, text, ...)
 164 #endif
 165
 166 /*************************************
 167  * Skinny/Asterisk Protocol Settings *
 168  *************************************/
 169 static const char tdesc[] = "Skinny Client Control Protocol (Skinny)";
 170 static const char config[] = "skinny.conf";
 171
 172 static struct ast_format_cap *default_cap;
 173 static struct ast_codec_pref default_prefs;
 174
 175 enum skinny_codecs {
 176         SKINNY_CODEC_ALAW = 2,
 177         SKINNY_CODEC_ULAW = 4,
 178         SKINNY_CODEC_G722 = 6,
 179         SKINNY_CODEC_G723_1 = 9,
 180         SKINNY_CODEC_G729A = 12,
 181         SKINNY_CODEC_G726_32 = 82, /* XXX Which packing order does this translate to? */
 182         SKINNY_CODEC_H261 = 100,
 183         SKINNY_CODEC_H263 = 101
 184 };
 185
 186 #define DEFAULT_SKINNY_PORT 2000
 187 #define DEFAULT_SKINNY_BACKLOG 2
 188 #define SKINNY_MAX_PACKET 2000
 189 #define DEFAULT_AUTH_TIMEOUT 30
 190 #define DEFAULT_AUTH_LIMIT 50
 191
 192 static struct {
 193         unsigned int tos;
 194         unsigned int tos_audio;
 195         unsigned int tos_video;
 196         unsigned int cos;
 197         unsigned int cos_audio;
 198         unsigned int cos_video;
 199 } qos = { 0, 0, 0, 0, 0, 0 };
 200
 201 static int keep_alive = 120;
 202 static int auth_timeout = DEFAULT_AUTH_TIMEOUT;
 203 static int auth_limit = DEFAULT_AUTH_LIMIT;
 204 static int unauth_sessions = 0;
 205 static char immed_dialchar;
 206 static char vmexten[AST_MAX_EXTENSION];      /* Voicemail pilot number */
 207 static char used_context[AST_MAX_EXTENSION]; /* placeholder to check if context are already used in regcontext */
 208 static char regcontext[AST_MAX_CONTEXT];     /* Context for auto-extension */
 209 static char date_format[6] = "D-M-Y";
 210 static char version_id[16] = "P002F202";
 211
 212 #if __BYTE_ORDER == __LITTLE_ENDIAN
 213 #define letohl(x) (x)
 214 #define letohs(x) (x)
 215 #define htolel(x) (x)
 216 #define htoles(x) (x)
 217 #else
 218 #if defined(HAVE_BYTESWAP_H)
 219 #include <byteswap.h>
 220 #define letohl(x) bswap_32(x)
 221 #define letohs(x) bswap_16(x)
 222 #define htolel(x) bswap_32(x)
 223 #define htoles(x) bswap_16(x)
 224 #elif defined(HAVE_SYS_ENDIAN_SWAP16)
 225 #include <sys/endian.h>
 226 #define letohl(x) __swap32(x)
 227 #define letohs(x) __swap16(x)
 228 #define htolel(x) __swap32(x)
 229 #define htoles(x) __swap16(x)
 230 #elif defined(HAVE_SYS_ENDIAN_BSWAP16)
 231 #include <sys/endian.h>
 232 #define letohl(x) bswap32(x)
 233 #define letohs(x) bswap16(x)
 234 #define htolel(x) bswap32(x)
 235 #define htoles(x) bswap16(x)
 236 #else
 237 #define __bswap_16(x) \
 238         ((((x) & 0xff00) >> 8) | \
 239          (((x) & 0x00ff) << 8))
 240 #define __bswap_32(x) \
 241         ((((x) & 0xff000000) >> 24) | \
 242          (((x) & 0x00ff0000) >>  8) | \
 243          (((x) & 0x0000ff00) <<  8) | \
 244          (((x) & 0x000000ff) << 24))
 245 #define letohl(x) __bswap_32(x)
 246 #define letohs(x) __bswap_16(x)
 247 #define htolel(x) __bswap_32(x)
 248 #define htoles(x) __bswap_16(x)
 249 #endif
 250 #endif
 251
 252 /*! Global jitterbuffer configuration - by default, jb is disabled
 253  *  \note Values shown here match the defaults shown in skinny.conf.sample */
 254 static struct ast_jb_conf default_jbconf =
 255 {
 256         .flags = 0,
 257         .max_size = 200,
 258         .resync_threshold = 1000,
 259         .impl = "fixed",
 260         .target_extra = 40,
 261 };
 262 static struct ast_jb_conf global_jbconf;
 263
 264 #ifdef AST_DEVMODE
 265 AST_THREADSTORAGE(message2str_threadbuf);
 266 #define MESSAGE2STR_BUFSIZE   35
 267 #endif
 268
 269 AST_THREADSTORAGE(device2str_threadbuf);
 270 #define DEVICE2STR_BUFSIZE   15
 271
 272 AST_THREADSTORAGE(control2str_threadbuf);
 273 #define CONTROL2STR_BUFSIZE   100
 274
 275 AST_THREADSTORAGE(substate2str_threadbuf);
 276 #define SUBSTATE2STR_BUFSIZE   15
 277
 278 AST_THREADSTORAGE(callstate2str_threadbuf);
 279 #define CALLSTATE2STR_BUFSIZE   15
 280
 281 /*********************
 282  * Protocol Messages *
 283  *********************/
 284 /* message types */
 285 #define KEEP_ALIVE_MESSAGE 0x0000
 286 /* no additional struct */
 287
 288 #define REGISTER_MESSAGE 0x0001
 289 struct register_message {
 290         char name[16];
 291         uint32_t userId;
 292         uint32_t instance;
 293         uint32_t ip;
 294         uint32_t type;
 295         uint32_t maxStreams;
 296         uint32_t space;
 297         uint8_t protocolVersion;
 298         /*! \brief space2 is used for newer version of skinny */
 299         char space2[3];
 300 };
 301
 302 #define IP_PORT_MESSAGE 0x0002
 303
 304 #define KEYPAD_BUTTON_MESSAGE 0x0003
 305 struct keypad_button_message {
 306         uint32_t button;
 307         uint32_t lineInstance;
 308         uint32_t callReference;
 309 };
 310
 311
 312 #define ENBLOC_CALL_MESSAGE 0x0004
 313 struct enbloc_call_message {
 314         char calledParty[24];
 315 };
 316
 317 #define STIMULUS_MESSAGE 0x0005
 318 struct stimulus_message {
 319         uint32_t stimulus;
 320         uint32_t stimulusInstance;
 321         uint32_t callreference;
 322 };
 323
 324 #define OFFHOOK_MESSAGE 0x0006
 325 struct offhook_message {
 326         uint32_t instance;
 327         uint32_t reference;
 328 };
 329
 330 #define ONHOOK_MESSAGE 0x0007
 331 struct onhook_message {
 332         uint32_t instance;
 333         uint32_t reference;
 334 };
 335
 336 #define CAPABILITIES_RES_MESSAGE 0x0010
 337 struct station_capabilities {
 338         uint32_t codec; /* skinny codec, not ast codec */
 339         uint32_t frames;
 340         union {
 341                 char res[8];
 342                 uint32_t rate;
 343         } payloads;
 344 };
 345
 346 #define SKINNY_MAX_CAPABILITIES 18
 347
 348 struct capabilities_res_message {
 349         uint32_t count;
 350         struct station_capabilities caps[SKINNY_MAX_CAPABILITIES];
 351 };
 352
 353 #define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
 354 struct speed_dial_stat_req_message {
 355         uint32_t speedDialNumber;
 356 };
 357
 358 #define LINE_STATE_REQ_MESSAGE 0x000B
 359 struct line_state_req_message {
 360         uint32_t lineNumber;
 361 };
 362
 363 #define TIME_DATE_REQ_MESSAGE 0x000D
 364 #define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
 365 #define VERSION_REQ_MESSAGE 0x000F
 366 #define SERVER_REQUEST_MESSAGE 0x0012
 367
 368 #define ALARM_MESSAGE 0x0020
 369 struct alarm_message {
 370         uint32_t alarmSeverity;
 371         char displayMessage[80];
 372         uint32_t alarmParam1;
 373         uint32_t alarmParam2;
 374 };
 375
 376 #define OPEN_RECEIVE_CHANNEL_ACK_MESSAGE 0x0022
 377 struct open_receive_channel_ack_message_ip4 {
 378         uint32_t status;
 379         uint32_t ipAddr;
 380         uint32_t port;
 381         uint32_t callReference;
 382 };
 383 struct open_receive_channel_ack_message_ip6 {
 384         uint32_t status;
 385         uint32_t space;
 386         char ipAddr[16];
 387         uint32_t port;
 388         uint32_t callReference;
 389 };
 390
 391 #define SOFT_KEY_SET_REQ_MESSAGE 0x0025
 392
 393 #define SOFT_KEY_EVENT_MESSAGE 0x0026
 394 struct soft_key_event_message {
 395         uint32_t softKeyEvent;
 396         uint32_t instance;
 397         uint32_t callreference;
 398 };
 399
 400 #define UNREGISTER_MESSAGE 0x0027
 401 #define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
 402 #define HEADSET_STATUS_MESSAGE 0x002B
 403 #define REGISTER_AVAILABLE_LINES_MESSAGE 0x002D
 404
 405 #define REGISTER_ACK_MESSAGE 0x0081
 406 struct register_ack_message {
 407         uint32_t keepAlive;
 408         char dateTemplate[6];
 409         char res[2];
 410         uint32_t secondaryKeepAlive;
 411         char res2[4];
 412 };
 413
 414 #define START_TONE_MESSAGE 0x0082
 415 struct start_tone_message {
 416         uint32_t tone;
 417         uint32_t space;
 418         uint32_t instance;
 419         uint32_t reference;
 420 };
 421
 422 #define STOP_TONE_MESSAGE 0x0083
 423 struct stop_tone_message {
 424         uint32_t instance;
 425         uint32_t reference;
 426         uint32_t space;
 427 };
 428
 429 #define SET_RINGER_MESSAGE 0x0085
 430 struct set_ringer_message {
 431         uint32_t ringerMode;
 432         uint32_t unknown1; /* See notes in transmit_ringer_mode */
 433         uint32_t unknown2;
 434         uint32_t space[2];
 435 };
 436
 437 #define SET_LAMP_MESSAGE 0x0086
 438 struct set_lamp_message {
 439         uint32_t stimulus;
 440         uint32_t stimulusInstance;
 441         uint32_t deviceStimulus;
 442 };
 443
 444 #define SET_SPEAKER_MESSAGE 0x0088
 445 struct set_speaker_message {
 446         uint32_t mode;
 447 };
 448
 449 /* XXX When do we need to use this? */
 450 #define SET_MICROPHONE_MESSAGE 0x0089
 451 struct set_microphone_message {
 452         uint32_t mode;
 453 };
 454
 455 #define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
 456 struct media_qualifier {
 457         uint32_t precedence;
 458         uint32_t vad;
 459         uint32_t packets;
 460         uint32_t bitRate;
 461 };
 462
 463 struct start_media_transmission_message_ip4 {
 464         uint32_t conferenceId;
 465         uint32_t passThruPartyId;
 466         uint32_t remoteIp;
 467         uint32_t remotePort;
 468         uint32_t packetSize;
 469         uint32_t payloadType;
 470         struct media_qualifier qualifier;
 471         uint32_t space[19];
 472 };
 473
 474 struct start_media_transmission_message_ip6 {
 475         uint32_t conferenceId;
 476         uint32_t passThruPartyId;
 477         uint32_t space;
 478         char remoteIp[16];
 479         uint32_t remotePort;
 480         uint32_t packetSize;
 481         uint32_t payloadType;
 482         struct media_qualifier qualifier;
 483         /*! \brief space2 is used for newer version of skinny */
 484         uint32_t space2[19];
 485 };
 486
 487 #define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
 488 struct stop_media_transmission_message {
 489         uint32_t conferenceId;
 490         uint32_t passThruPartyId;
 491         uint32_t space[3];
 492 };
 493
 494 #define CALL_INFO_MESSAGE 0x008F
 495 struct call_info_message {
 496         char callingPartyName[40];
 497         char callingParty[24];
 498         char calledPartyName[40];
 499         char calledParty[24];
 500         uint32_t instance;
 501         uint32_t reference;
 502         uint32_t type;
 503         char originalCalledPartyName[40];
 504         char originalCalledParty[24];
 505         char lastRedirectingPartyName[40];
 506         char lastRedirectingParty[24];
 507         uint32_t originalCalledPartyRedirectReason;
 508         uint32_t lastRedirectingReason;
 509         char callingPartyVoiceMailbox[24];
 510         char calledPartyVoiceMailbox[24];
 511         char originalCalledPartyVoiceMailbox[24];
 512         char lastRedirectingVoiceMailbox[24];
 513         uint32_t space[3];
 514 };
 515
 516 #define FORWARD_STAT_MESSAGE 0x0090
 517 struct forward_stat_message {
 518         uint32_t activeforward;
 519         uint32_t lineNumber;
 520         uint32_t fwdall;
 521         char fwdallnum[24];
 522         uint32_t fwdbusy;
 523         char fwdbusynum[24];
 524         uint32_t fwdnoanswer;
 525         char fwdnoanswernum[24];
 526 };
 527
 528 #define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
 529 struct speed_dial_stat_res_message {
 530         uint32_t speedDialNumber;
 531         char speedDialDirNumber[24];
 532         char speedDialDisplayName[40];
 533 };
 534
 535 #define LINE_STAT_RES_MESSAGE 0x0092
 536 struct line_stat_res_message {
 537         uint32_t lineNumber;
 538         char lineDirNumber[24];
 539         char lineDisplayName[24];
 540         uint32_t space[15];
 541 };
 542
 543 #define DEFINETIMEDATE_MESSAGE 0x0094
 544 struct definetimedate_message {
 545         uint32_t year; /* since 1900 */
 546         uint32_t month;
 547         uint32_t dayofweek; /* monday = 1 */
 548         uint32_t day;
 549         uint32_t hour;
 550         uint32_t minute;
 551         uint32_t seconds;
 552         uint32_t milliseconds;
 553         uint32_t timestamp;
 554 };
 555
 556 #define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
 557 struct button_definition {
 558         uint8_t instanceNumber;
 559         uint8_t buttonDefinition;
 560 };
 561
 562 struct button_definition_template {
 563         uint8_t buttonDefinition;
 564         /* for now, anything between 0xB0 and 0xCF is custom */
 565         /*int custom;*/
 566 };
 567
 568 #define STIMULUS_REDIAL 0x01
 569 #define STIMULUS_SPEEDDIAL 0x02
 570 #define STIMULUS_HOLD 0x03
 571 #define STIMULUS_TRANSFER 0x04
 572 #define STIMULUS_FORWARDALL 0x05
 573 #define STIMULUS_FORWARDBUSY 0x06
 574 #define STIMULUS_FORWARDNOANSWER 0x07
 575 #define STIMULUS_DISPLAY 0x08
 576 #define STIMULUS_LINE 0x09
 577 #define STIMULUS_VOICEMAIL 0x0F
 578 #define STIMULUS_AUTOANSWER 0x11
 579 #define STIMULUS_DND 0x3F
 580 #define STIMULUS_CONFERENCE 0x7D
 581 #define STIMULUS_CALLPARK 0x7E
 582 #define STIMULUS_CALLPICKUP 0x7F
 583 #define STIMULUS_NONE 0xFF
 584
 585 /* Button types */
 586 #define BT_REDIAL STIMULUS_REDIAL
 587 #define BT_SPEEDDIAL STIMULUS_SPEEDDIAL
 588 #define BT_HOLD STIMULUS_HOLD
 589 #define BT_TRANSFER STIMULUS_TRANSFER
 590 #define BT_FORWARDALL STIMULUS_FORWARDALL
 591 #define BT_FORWARDBUSY STIMULUS_FORWARDBUSY
 592 #define BT_FORWARDNOANSWER STIMULUS_FORWARDNOANSWER
 593 #define BT_DISPLAY STIMULUS_DISPLAY
 594 #define BT_LINE STIMULUS_LINE
 595 #define BT_VOICEMAIL STIMULUS_VOICEMAIL
 596 #define BT_AUTOANSWER STIMULUS_AUTOANSWER
 597 #define BT_DND STIMULUS_DND
 598 #define BT_CONFERENCE STIMULUS_CONFERENCE
 599 #define BT_CALLPARK STIMULUS_CALLPARK
 600 #define BT_CALLPICKUP STIMULUS_CALLPICKUP
 601 #define BT_NONE 0x00
 602
 603 /* Custom button types - add our own between 0xB0 and 0xCF.
 604    This may need to be revised in the future,
 605    if stimuluses are ever added in this range. */
 606 #define BT_CUST_LINESPEEDDIAL 0xB0 /* line or speeddial with/without hint */
 607 #define BT_CUST_LINE 0xB1          /* line or speeddial with hint only */
 608
 609 struct button_template_res_message {
 610         uint32_t buttonOffset;
 611         uint32_t buttonCount;
 612         uint32_t totalButtonCount;
 613         struct button_definition definition[42];
 614 };
 615
 616 #define VERSION_RES_MESSAGE 0x0098
 617 struct version_res_message {
 618         char version[16];
 619 };
 620
 621 #define DISPLAYTEXT_MESSAGE 0x0099
 622 struct displaytext_message {
 623         char text[40];
 624 };
 625
 626 #define CLEAR_NOTIFY_MESSAGE  0x0115
 627 #define CLEAR_DISPLAY_MESSAGE 0x009A
 628 struct clear_display_message {
 629         uint32_t space;
 630 };
 631
 632 #define CAPABILITIES_REQ_MESSAGE 0x009B
 633
 634 #define REGISTER_REJ_MESSAGE 0x009D
 635 struct register_rej_message {
 636         char errMsg[33];
 637 };
 638
 639 #define SERVER_RES_MESSAGE 0x009E
 640 struct server_identifier {
 641         char serverName[48];
 642 };
 643
 644 struct server_res_message {
 645         struct server_identifier server[5];
 646         uint32_t serverListenPort[5];
 647         uint32_t serverIpAddr[5];
 648 };
 649
 650 #define RESET_MESSAGE 0x009F
 651 struct reset_message {
 652         uint32_t resetType;
 653 };
 654
 655 #define KEEP_ALIVE_ACK_MESSAGE 0x0100
 656
 657 #define OPEN_RECEIVE_CHANNEL_MESSAGE 0x0105
 658 struct open_receive_channel_message {
 659         uint32_t conferenceId;
 660         uint32_t partyId;
 661         uint32_t packets;
 662         uint32_t capability;
 663         uint32_t echo;
 664         uint32_t bitrate;
 665         uint32_t space[36];
 666 };
 667
 668 #define CLOSE_RECEIVE_CHANNEL_MESSAGE 0x0106
 669 struct close_receive_channel_message {
 670         uint32_t conferenceId;
 671         uint32_t partyId;
 672         uint32_t space[2];
 673 };
 674
 675 #define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
 676 struct soft_key_template_definition {
 677         char softKeyLabel[16];
 678         uint32_t softKeyEvent;
 679 };
 680
 681 #define BKSP_REQ_MESSAGE 0x0119
 682 struct bksp_req_message {
 683         uint32_t instance;
 684         uint32_t callreference;
 685 };
 686
 687 #define KEYDEF_ONHOOK 0
 688 #define KEYDEF_CONNECTED 1
 689 #define KEYDEF_ONHOLD 2
 690 #define KEYDEF_RINGIN 3
 691 #define KEYDEF_OFFHOOK 4
 692 #define KEYDEF_CONNWITHTRANS 5
 693 #define KEYDEF_DADFD 6 /* Digits After Dialing First Digit */
 694 #define KEYDEF_CONNWITHCONF 7
 695 #define KEYDEF_RINGOUT 8
 696 #define KEYDEF_OFFHOOKWITHFEAT 9
 697 #define KEYDEF_UNKNOWN 10
 698 #define KEYDEF_SLAHOLD 11
 699 #define KEYDEF_SLACONNECTEDNOTACTIVE 12
 700
 701 #define SOFTKEY_NONE 0x00
 702 #define SOFTKEY_REDIAL 0x01
 703 #define SOFTKEY_NEWCALL 0x02
 704 #define SOFTKEY_HOLD 0x03
 705 #define SOFTKEY_TRNSFER 0x04
 706 #define SOFTKEY_CFWDALL 0x05
 707 #define SOFTKEY_CFWDBUSY 0x06
 708 #define SOFTKEY_CFWDNOANSWER 0x07
 709 #define SOFTKEY_BKSPC 0x08
 710 #define SOFTKEY_ENDCALL 0x09
 711 #define SOFTKEY_RESUME 0x0A
 712 #define SOFTKEY_ANSWER 0x0B
 713 #define SOFTKEY_INFO 0x0C
 714 #define SOFTKEY_CONFRN 0x0D
 715 #define SOFTKEY_PARK 0x0E
 716 #define SOFTKEY_JOIN 0x0F
 717 #define SOFTKEY_MEETME 0x10
 718 #define SOFTKEY_PICKUP 0x11
 719 #define SOFTKEY_GPICKUP 0x12
 720 #define SOFTKEY_DND 0x13
 721 #define SOFTKEY_IDIVERT 0x14
 722 #define SOFTKEY_FORCEDIAL 0x15
 723
 724 #define KEYMASK_ALL            0xFFFFFFFF
 725 #define KEYMASK_NONE           (1 << 0)
 726 #define KEYMASK_REDIAL         (1 << 1)
 727 #define KEYMASK_NEWCALL        (1 << 2)
 728 #define KEYMASK_HOLD           (1 << 3)
 729 #define KEYMASK_TRNSFER        (1 << 4)
 730 #define KEYMASK_CFWDALL        (1 << 5)
 731 #define KEYMASK_CFWDBUSY       (1 << 6)
 732 #define KEYMASK_CFWDNOANSWER   (1 << 7)
 733 #define KEYMASK_BKSPC          (1 << 8)
 734 #define KEYMASK_ENDCALL        (1 << 9)
 735 #define KEYMASK_RESUME         (1 << 10)
 736 #define KEYMASK_ANSWER         (1 << 11)
 737 #define KEYMASK_INFO           (1 << 12)
 738 #define KEYMASK_CONFRN         (1 << 13)
 739 #define KEYMASK_PARK           (1 << 14)
 740 #define KEYMASK_JOIN           (1 << 15)
 741 #define KEYMASK_MEETME         (1 << 16)
 742 #define KEYMASK_PICKUP         (1 << 17)
 743 #define KEYMASK_GPICKUP        (1 << 18)
 744 #define KEYMASK_DND            (1 << 29)
 745 #define KEYMASK_IDIVERT        (1 << 20)
 746 #define KEYMASK_FORCEDIAL      (1 << 21)
 747
 748 /* Localized message "codes" (in octal)
 749    Below is en_US (taken from a 7970) */
 750
 751 /*                            "\200\000"        ??? */
 752 #define OCTAL_REDIAL          "\200\001"     /* Redial */
 753 #define OCTAL_NEWCALL         "\200\002"     /* New Call */
 754 #define OCTAL_HOLD            "\200\003"     /* Hold */
 755 #define OCTAL_TRANSFER        "\200\004"     /* Transfer */
 756 #define OCTAL_CFWDALL         "\200\005"     /* CFwdALL */
 757 #define OCTAL_CFWDBUSY        "\200\006"     /* CFwdBusy */
 758 #define OCTAL_CFWDNOAN        "\200\007"     /* CFwdNoAnswer */
 759 #define OCTAL_BKSPC           "\200\010"     /* << */
 760 #define OCTAL_ENDCALL         "\200\011"     /* EndCall */
 761 #define OCTAL_RESUME          "\200\012"     /* Resume */
 762 #define OCTAL_ANSWER          "\200\013"     /* Answer */
 763 #define OCTAL_INFO            "\200\014"     /* Info */
 764 #define OCTAL_CONFRN          "\200\015"     /* Confrn */
 765 #define OCTAL_PARK            "\200\016"     /* Park */
 766 #define OCTAL_JOIN            "\200\017"     /* Join */
 767 #define OCTAL_MEETME          "\200\020"     /* MeetMe */
 768 #define OCTAL_PICKUP          "\200\021"     /* PickUp */
 769 #define OCTAL_GPICKUP         "\200\022"     /* GPickUp */
 770 #define OCTAL_CUROPTS         "\200\023"     /* Your current options */
 771 #define OCTAL_OFFHOOK         "\200\024"     /* Off Hook */
 772 #define OCTAL_ONHOOK          "\200\025"     /* On Hook */
 773 #define OCTAL_RINGOUT         "\200\026"     /* Ring out */
 774 #define OCTAL_FROM            "\200\027"     /* From */
 775 #define OCTAL_CONNECTED       "\200\030"     /* Connected */
 776 #define OCTAL_BUSY            "\200\031"     /* Busy */
 777 #define OCTAL_LINEINUSE       "\200\032"     /* Line In Use */
 778 #define OCTAL_CALLWAITING     "\200\033"     /* Call Waiting */
 779 #define OCTAL_CALLXFER        "\200\034"     /* Call Transfer */
 780 #define OCTAL_CALLPARK        "\200\035"     /* Call Park */
 781 #define OCTAL_CALLPROCEED     "\200\036"     /* Call Proceed */
 782 #define OCTAL_INUSEREMOTE     "\200\037"     /* In Use Remote */
 783 #define OCTAL_ENTRNUM         "\200\040"     /* Enter number */
 784 #define OCTAL_PARKAT          "\200\041"     /* Call park At */
 785 #define OCTAL_PRIMONLY        "\200\042"     /* Primary Only */
 786 #define OCTAL_TMPFAIL         "\200\043"     /* Temp Fail */
 787 #define OCTAL_HAVEVMAIL       "\200\044"     /* You Have VoiceMail */
 788 #define OCTAL_FWDEDTO         "\200\045"     /* Forwarded to */
 789 #define OCTAL_CANTCOMPCNF     "\200\046"     /* Can Not Complete Conference */
 790 #define OCTAL_NOCONFBRDG      "\200\047"     /* No Conference Bridge */
 791 #define OCTAL_NOPRIMARYCTL    "\200\050"     /* Can Not Hold Primary Control */
 792 #define OCTAL_INVALCONFPART   "\200\051"     /* Invalid Conference Participant */
 793 #define OCTAL_INCONFALREADY   "\200\052"     /* In Conference Already */
 794 #define OCTAL_NOPARTINFO      "\200\053"     /* No Participant Info */
 795 #define OCTAL_MAXPARTEXCEED   "\200\054"     /* Exceed Maximum Parties */
 796 #define OCTAL_KEYNOTACTIVE    "\200\055"     /* Key Is Not Active */
 797 #define OCTAL_ERRNOLIC        "\200\056"     /* Error No License */
 798 #define OCTAL_ERRDBCFG        "\200\057"     /* Error DBConfig */
 799 #define OCTAL_ERRDB           "\200\060"     /* Error Database */
 800 #define OCTAL_ERRPASSLMT      "\200\061"     /* Error Pass Limit */
 801 #define OCTAL_ERRUNK          "\200\062"     /* Error Unknown */
 802 #define OCTAL_ERRMISMATCH     "\200\063"     /* Error Mismatch */
 803 #define OCTAL_CONFERENCE      "\200\064"     /* Conference */
 804 #define OCTAL_PARKNO          "\200\065"     /* Park Number */
 805 #define OCTAL_PRIVATE         "\200\066"     /* Private */
 806 #define OCTAL_INSUFBANDW      "\200\067"     /* Not Enough Bandwidth */
 807 #define OCTAL_UNKNUM          "\200\070"     /* Unknown Number */
 808 #define OCTAL_RMLSTC          "\200\071"     /* RmLstC */
 809 #define OCTAL_VOICEMAIL       "\200\072"     /* Voicemail */
 810 #define OCTAL_IMMDIV          "\200\073"     /* ImmDiv */
 811 #define OCTAL_INTRCPT         "\200\074"     /* Intrcpt */
 812 #define OCTAL_SETWTCH         "\200\075"     /* SetWtch */
 813 #define OCTAL_TRNSFVM         "\200\076"     /* TrnsfVM */
 814 #define OCTAL_DND             "\200\077"     /* DND */
 815 #define OCTAL_DIVALL          "\200\100"     /* DivAll */
 816 #define OCTAL_CALLBACK        "\200\101"     /* CallBack */
 817 #define OCTAL_NETCNGREROUT    "\200\102"     /* Network congestion,rerouting */
 818 #define OCTAL_BARGE           "\200\103"     /* Barge */
 819 #define OCTAL_BARGEFAIL       "\200\104"     /* Failed to setup Barge */
 820 #define OCTAL_BARGEEXIST      "\200\105"     /* Another Barge exists */
 821 #define OCTAL_INCOMPATDEV     "\200\106"     /* Incompatible device type */
 822 #define OCTAL_PARKNONUM       "\200\107"     /* No Park Number Available */
 823 #define OCTAL_PARKREVERSION   "\200\110"     /* CallPark Reversion */
 824 #define OCTAL_SRVNOTACTIVE    "\200\111"     /* Service is not Active */
 825 #define OCTAL_HITRAFFIC       "\200\112"     /* High Traffic Try Again Later */
 826 #define OCTAL_QRT             "\200\113"     /* QRT */
 827 #define OCTAL_MCID            "\200\114"     /* MCID */
 828 #define OCTAL_DIRTRFR         "\200\115"     /* DirTrfr */
 829 #define OCTAL_SELECT          "\200\116"     /* Select */
 830 #define OCTAL_CONFLIST        "\200\117"     /* ConfList */
 831 #define OCTAL_IDIVERT         "\200\120"     /* iDivert */
 832 #define OCTAL_CBARGE          "\200\121"     /* cBarge */
 833 #define OCTAL_CANTCOMPLXFER   "\200\122"     /* Can Not Complete Transfer */
 834 #define OCTAL_CANTJOINCALLS   "\200\123"     /* Can Not Join Calls */
 835 #define OCTAL_MCIDSUCCESS     "\200\124"     /* Mcid Successful */
 836 #define OCTAL_NUMNOTCFG       "\200\125"     /* Number Not Configured */
 837 #define OCTAL_SECERROR        "\200\126"     /* Security Error */
 838 #define OCTAL_VIDBANDWNA      "\200\127"     /* Video Bandwidth Unavailable */
 839 #define OCTAL_VIDMODE         "\200\130"     /* VidMode */
 840 #define OCTAL_CALLDURTIMEOUT  "\200\131"     /* Max Call Duration Timeout */
 841 #define OCTAL_HOLDDURTIMEOUT  "\200\132"     /* Max Hold Duration Timeout */
 842 #define OCTAL_OPICKUP         "\200\133"     /* OPickUp */
 843 /*                            "\200\134"        ??? */
 844 /*                            "\200\135"        ??? */
 845 /*                            "\200\136"        ??? */
 846 /*                            "\200\137"        ??? */
 847 /*                            "\200\140"        ??? */
 848 #define OCTAL_EXTXFERRESTRICT "\200\141"     /* External Transfer Restricted */
 849 /*                            "\200\142"        ??? */
 850 /*                            "\200\143"        ??? */
 851 /*                            "\200\144"        ??? */
 852 #define OCTAL_MACADD          "\200\145"     /* Mac Address */
 853 #define OCTAL_HOST            "\200\146"     /* Host Name */
 854 #define OCTAL_DOMAIN          "\200\147"     /* Domain Name */
 855 #define OCTAL_IPADD           "\200\150"     /* IP Address */
 856 #define OCTAL_SUBMASK         "\200\151"     /* Subnet Mask */
 857 #define OCTAL_TFTP1           "\200\152"     /* TFTP Server 1 */
 858 #define OCTAL_ROUTER1         "\200\153"     /* Default Router 1 */
 859 #define OCTAL_ROUTER2         "\200\154"     /* Default Router 2 */
 860 #define OCTAL_ROUTER3         "\200\155"     /* Default Router 3 */
 861 #define OCTAL_ROUTER4         "\200\156"     /* Default Router 4 */
 862 #define OCTAL_ROUTER5         "\200\157"     /* Default Router 5 */
 863 #define OCTAL_DNS1            "\200\160"     /* DNS Server 1 */
 864 #define OCTAL_DNS2            "\200\161"     /* DNS Server 2 */
 865 #define OCTAL_DNS3            "\200\162"     /* DNS Server 3 */
 866 #define OCTAL_DNS4            "\200\163"     /* DNS Server 4 */
 867 #define OCTAL_DNS5            "\200\164"     /* DNS Server 5 */
 868 #define OCTAL_VLANOPID        "\200\165"     /* Operational VLAN Id */
 869 #define OCTAL_VLANADID        "\200\166"     /* Admin. VLAN Id */
 870 #define OCTAL_CM1             "\200\167"     /* CallManager 1 */
 871 #define OCTAL_CM2             "\200\170"     /* CallManager 2 */
 872 #define OCTAL_CM3             "\200\171"     /* CallManager 3 */
 873 #define OCTAL_CM4             "\200\172"     /* CallManager 4 */
 874 #define OCTAL_CM5             "\200\173"     /* CallManager 5 */
 875 #define OCTAL_URLINFO         "\200\174"     /* Information URL */
 876 #define OCTAL_URLDIRS         "\200\175"     /* Directories URL */
 877 #define OCTAL_URLMSGS         "\200\176"     /* Messages URL */
 878 #define OCTAL_URLSRVS         "\200\177"     /* Services URL */
 879
 880 static struct soft_key_template_definition soft_key_template_default[] = {
 881         { OCTAL_REDIAL, SOFTKEY_REDIAL },
 882         { OCTAL_NEWCALL, SOFTKEY_NEWCALL },
 883         { OCTAL_HOLD, SOFTKEY_HOLD },
 884         { OCTAL_TRANSFER, SOFTKEY_TRNSFER },
 885         { OCTAL_CFWDALL, SOFTKEY_CFWDALL },
 886         { OCTAL_CFWDBUSY, SOFTKEY_CFWDBUSY },
 887         { OCTAL_CFWDNOAN, SOFTKEY_CFWDNOANSWER },
 888         { OCTAL_BKSPC, SOFTKEY_BKSPC },
 889         { OCTAL_ENDCALL, SOFTKEY_ENDCALL },
 890         { OCTAL_RESUME, SOFTKEY_RESUME },
 891         { OCTAL_ANSWER, SOFTKEY_ANSWER },
 892         { OCTAL_INFO, SOFTKEY_INFO },
 893         { OCTAL_CONFRN, SOFTKEY_CONFRN },
 894         { OCTAL_PARK, SOFTKEY_PARK },
 895         { OCTAL_JOIN, SOFTKEY_JOIN },
 896         { OCTAL_MEETME, SOFTKEY_MEETME },
 897         { OCTAL_PICKUP, SOFTKEY_PICKUP },
 898         { OCTAL_GPICKUP, SOFTKEY_GPICKUP },
 899         { OCTAL_DND, SOFTKEY_DND },
 900         { OCTAL_IDIVERT, SOFTKEY_IDIVERT },
 901         { "Dial", SOFTKEY_FORCEDIAL},
 902 };
 903
 904 struct soft_key_definitions {
 905         const uint8_t mode;
 906         const uint8_t *defaults;
 907         const int count;
 908 };
 909
 910 static const uint8_t soft_key_default_onhook[] = {
 911         SOFTKEY_REDIAL,
 912         SOFTKEY_NEWCALL,
 913         SOFTKEY_CFWDALL,
 914         SOFTKEY_CFWDBUSY,
 915         SOFTKEY_DND,
 916         SOFTKEY_GPICKUP,
 917         /*SOFTKEY_CONFRN,*/
 918 };
 919
 920 static const uint8_t soft_key_default_connected[] = {
 921         SOFTKEY_HOLD,
 922         SOFTKEY_ENDCALL,
 923         SOFTKEY_TRNSFER,
 924         SOFTKEY_PARK,
 925         SOFTKEY_CFWDALL,
 926         SOFTKEY_CFWDBUSY,
 927 };
 928
 929 static const uint8_t soft_key_default_onhold[] = {
 930         SOFTKEY_RESUME,
 931         SOFTKEY_NEWCALL,
 932         SOFTKEY_ENDCALL,
 933         SOFTKEY_TRNSFER,
 934 };
 935
 936 static const uint8_t soft_key_default_ringin[] = {
 937         SOFTKEY_ANSWER,
 938         SOFTKEY_ENDCALL,
 939         SOFTKEY_TRNSFER,
 940 };
 941
 942 static const uint8_t soft_key_default_offhook[] = {
 943         SOFTKEY_REDIAL,
 944         SOFTKEY_ENDCALL,
 945         SOFTKEY_CFWDALL,
 946         SOFTKEY_CFWDBUSY,
 947         SOFTKEY_GPICKUP,
 948 };
 949
 950 static const uint8_t soft_key_default_connwithtrans[] = {
 951         SOFTKEY_HOLD,
 952         SOFTKEY_ENDCALL,
 953         SOFTKEY_TRNSFER,
 954         SOFTKEY_PARK,
 955         SOFTKEY_CFWDALL,
 956         SOFTKEY_CFWDBUSY,
 957 };
 958
 959 static const uint8_t soft_key_default_dadfd[] = {
 960         SOFTKEY_BKSPC,
 961         SOFTKEY_ENDCALL,
 962         SOFTKEY_FORCEDIAL,
 963 };
 964
 965 static const uint8_t soft_key_default_connwithconf[] = {
 966         SOFTKEY_NONE,
 967 };
 968
 969 static const uint8_t soft_key_default_ringout[] = {
 970         SOFTKEY_NONE,
 971         SOFTKEY_ENDCALL,
 972 };
 973
 974 static const uint8_t soft_key_default_offhookwithfeat[] = {
 975         SOFTKEY_REDIAL,
 976         SOFTKEY_ENDCALL,
 977         SOFTKEY_TRNSFER,
 978 };
 979
 980 static const uint8_t soft_key_default_unknown[] = {
 981         SOFTKEY_NONE,
 982 };
 983
 984 static const uint8_t soft_key_default_SLAhold[] = {
 985         SOFTKEY_REDIAL,
 986         SOFTKEY_NEWCALL,
 987         SOFTKEY_RESUME,
 988 };
 989
 990 static const uint8_t soft_key_default_SLAconnectednotactive[] = {
 991         SOFTKEY_REDIAL,
 992         SOFTKEY_NEWCALL,
 993         SOFTKEY_JOIN,
 994 };
 995
 996 static const struct soft_key_definitions soft_key_default_definitions[] = {
 997         {KEYDEF_ONHOOK, soft_key_default_onhook, sizeof(soft_key_default_onhook) / sizeof(uint8_t)},
 998         {KEYDEF_CONNECTED, soft_key_default_connected, sizeof(soft_key_default_connected) / sizeof(uint8_t)},
 999         {KEYDEF_ONHOLD, soft_key_default_onhold, sizeof(soft_key_default_onhold) / sizeof(uint8_t)},
1000         {KEYDEF_RINGIN, soft_key_default_ringin, sizeof(soft_key_default_ringin) / sizeof(uint8_t)},
1001         {KEYDEF_OFFHOOK, soft_key_default_offhook, sizeof(soft_key_default_offhook) / sizeof(uint8_t)},
1002         {KEYDEF_CONNWITHTRANS, soft_key_default_connwithtrans, sizeof(soft_key_default_connwithtrans) / sizeof(uint8_t)},
1003         {KEYDEF_DADFD, soft_key_default_dadfd, sizeof(soft_key_default_dadfd) / sizeof(uint8_t)},
1004         {KEYDEF_CONNWITHCONF, soft_key_default_connwithconf, sizeof(soft_key_default_connwithconf) / sizeof(uint8_t)},
1005         {KEYDEF_RINGOUT, soft_key_default_ringout, sizeof(soft_key_default_ringout) / sizeof(uint8_t)},
1006         {KEYDEF_OFFHOOKWITHFEAT, soft_key_default_offhookwithfeat, sizeof(soft_key_default_offhookwithfeat) / sizeof(uint8_t)},
1007         {KEYDEF_UNKNOWN, soft_key_default_unknown, sizeof(soft_key_default_unknown) / sizeof(uint8_t)},
1008         {KEYDEF_SLAHOLD, soft_key_default_SLAhold, sizeof(soft_key_default_SLAhold) / sizeof(uint8_t)},
1009         {KEYDEF_SLACONNECTEDNOTACTIVE, soft_key_default_SLAconnectednotactive, sizeof(soft_key_default_SLAconnectednotactive) / sizeof(uint8_t)}
1010 };
1011
1012 struct soft_key_template_res_message {
1013         uint32_t softKeyOffset;
1014         uint32_t softKeyCount;
1015         uint32_t totalSoftKeyCount;
1016         struct soft_key_template_definition softKeyTemplateDefinition[32];
1017 };
1018
1019 #define SOFT_KEY_SET_RES_MESSAGE 0x0109
1020
1021 struct soft_key_set_definition {
1022         uint8_t softKeyTemplateIndex[16];
1023         uint16_t softKeyInfoIndex[16];
1024 };
1025
1026 struct soft_key_set_res_message {
1027         uint32_t softKeySetOffset;
1028         uint32_t softKeySetCount;
1029         uint32_t totalSoftKeySetCount;
1030         struct soft_key_set_definition softKeySetDefinition[16];
1031         uint32_t res;
1032 };
1033
1034 #define SELECT_SOFT_KEYS_MESSAGE 0x0110
1035 struct select_soft_keys_message {
1036         uint32_t instance;
1037         uint32_t reference;
1038         uint32_t softKeySetIndex;
1039         uint32_t validKeyMask;
1040 };
1041
1042 #define CALL_STATE_MESSAGE 0x0111
1043 struct call_state_message {
1044         uint32_t callState;
1045         uint32_t lineInstance;
1046         uint32_t callReference;
1047         uint32_t space[3];
1048 };
1049
1050 #define DISPLAY_PROMPT_STATUS_MESSAGE 0x0112
1051 struct display_prompt_status_message {
1052         uint32_t messageTimeout;
1053         char promptMessage[32];
1054         uint32_t lineInstance;
1055         uint32_t callReference;
1056         uint32_t space[3];
1057 };
1058
1059 #define CLEAR_PROMPT_MESSAGE  0x0113
1060 struct clear_prompt_message {
1061         uint32_t lineInstance;
1062         uint32_t callReference;
1063 };
1064
1065 #define DISPLAY_NOTIFY_MESSAGE 0x0114
1066 struct display_notify_message {
1067         uint32_t displayTimeout;
1068         char displayMessage[100];
1069 };
1070
1071 #define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
1072 struct activate_call_plane_message {
1073         uint32_t lineInstance;
1074 };
1075
1076 #define DIALED_NUMBER_MESSAGE 0x011D
1077 struct dialed_number_message {
1078         char dialedNumber[24];
1079         uint32_t lineInstance;
1080         uint32_t callReference;
1081 };
1082
1083 #define MAXCALLINFOSTR 256
1084 #define CALL_INFO_MESSAGE_VARIABLE 0x014A
1085 struct call_info_message_variable {
1086         uint32_t instance;
1087         uint32_t callreference;
1088         uint32_t calldirection;
1089         uint32_t unknown1;
1090         uint32_t unknown2;
1091         uint32_t unknown3;
1092         uint32_t unknown4;
1093         uint32_t unknown5;
1094         char calldetails[MAXCALLINFOSTR];
1095 };
1096
1097 #define DISPLAY_PROMPT_STATUS_MESSAGE_VARIABLE 0x0145
1098 struct display_prompt_status_message_variable {
1099         uint32_t unknown;
1100         uint32_t lineInstance;
1101         uint32_t callReference;
1102         char promptMessage[MAXCALLINFOSTR];
1103 };
1104
1105 union skinny_data {
1106         struct alarm_message alarm;
1107         struct speed_dial_stat_req_message speeddialreq;
1108         struct register_message reg;
1109         struct register_ack_message regack;
1110         struct register_rej_message regrej;
1111         struct capabilities_res_message caps;
1112         struct version_res_message version;
1113         struct button_template_res_message buttontemplate;
1114         struct displaytext_message displaytext;
1115         struct clear_display_message cleardisplay;
1116         struct display_prompt_status_message displaypromptstatus;
1117         struct clear_prompt_message clearpromptstatus;
1118         struct definetimedate_message definetimedate;
1119         struct start_tone_message starttone;
1120         struct stop_tone_message stoptone;
1121         struct speed_dial_stat_res_message speeddial;
1122         struct line_state_req_message line;
1123         struct line_stat_res_message linestat;
1124         struct soft_key_set_res_message softkeysets;
1125         struct soft_key_template_res_message softkeytemplate;
1126         struct server_res_message serverres;
1127         struct reset_message reset;
1128         struct set_lamp_message setlamp;
1129         struct set_ringer_message setringer;
1130         struct call_state_message callstate;
1131         struct keypad_button_message keypad;
1132         struct select_soft_keys_message selectsoftkey;
1133         struct activate_call_plane_message activatecallplane;
1134         struct stimulus_message stimulus;
1135         struct offhook_message offhook;
1136         struct onhook_message onhook;
1137         struct set_speaker_message setspeaker;
1138         struct set_microphone_message setmicrophone;
1139         struct call_info_message callinfo;
1140         struct start_media_transmission_message_ip4 startmedia_ip4;
1141         struct start_media_transmission_message_ip6 startmedia_ip6;
1142         struct stop_media_transmission_message stopmedia;
1143         struct open_receive_channel_message openreceivechannel;
1144         struct open_receive_channel_ack_message_ip4 openreceivechannelack_ip4;
1145         struct open_receive_channel_ack_message_ip6 openreceivechannelack_ip6;
1146         struct close_receive_channel_message closereceivechannel;
1147         struct display_notify_message displaynotify;
1148         struct dialed_number_message dialednumber;
1149         struct soft_key_event_message softkeyeventmessage;
1150         struct enbloc_call_message enbloccallmessage;
1151         struct forward_stat_message forwardstat;
1152         struct bksp_req_message bkspmessage;
1153         struct call_info_message_variable callinfomessagevariable;
1154         struct display_prompt_status_message_variable displaypromptstatusvar;
1155 };
1156
1157 /* packet composition */
1158 struct skinny_req {
1159         int len;
1160         int res;
1161         int e;
1162         union skinny_data data;
1163 };
1164
1165 /* XXX This is the combined size of the variables above.  (len, res, e)
1166    If more are added, this MUST change.
1167    (sizeof(skinny_req) - sizeof(skinny_data)) DOES NOT WORK on all systems (amd64?). */
1168 static int skinny_header_size = 12;
1169
1170 /*****************************
1171  * Asterisk specific globals *
1172  *****************************/
1173
1174 static int skinnyreload = 0;
1175
1176 /* a hostname, portnumber, socket and such is usefull for VoIP protocols */
1177 static struct sockaddr_in bindaddr;
1178 static char ourhost[256];
1179 static int ourport;
1180 static struct in_addr __ourip;
1181 static struct ast_hostent ahp;
1182 static struct hostent *hp;
1183 static int skinnysock = -1;
1184 static pthread_t accept_t;
1185 static int callnums = 1;
1186
1187 #define SKINNY_DEVICE_UNKNOWN -1
1188 #define SKINNY_DEVICE_NONE 0
1189 #define SKINNY_DEVICE_30SPPLUS 1
1190 #define SKINNY_DEVICE_12SPPLUS 2
1191 #define SKINNY_DEVICE_12SP 3
1192 #define SKINNY_DEVICE_12 4
1193 #define SKINNY_DEVICE_30VIP 5
1194 #define SKINNY_DEVICE_7910 6
1195 #define SKINNY_DEVICE_7960 7
1196 #define SKINNY_DEVICE_7940 8
1197 #define SKINNY_DEVICE_7935 9
1198 #define SKINNY_DEVICE_ATA186 12 /* Cisco ATA-186 */
1199 #define SKINNY_DEVICE_7941 115
1200 #define SKINNY_DEVICE_7971 119
1201 #define SKINNY_DEVICE_7914 124 /* Expansion module */
1202 #define SKINNY_DEVICE_7985 302
1203 #define SKINNY_DEVICE_7911 307
1204 #define SKINNY_DEVICE_7961GE 308
1205 #define SKINNY_DEVICE_7941GE 309
1206 #define SKINNY_DEVICE_7931 348
1207 #define SKINNY_DEVICE_7921 365
1208 #define SKINNY_DEVICE_7906 369
1209 #define SKINNY_DEVICE_7962 404 /* Not found */
1210 #define SKINNY_DEVICE_7937 431
1211 #define SKINNY_DEVICE_7942 434
1212 #define SKINNY_DEVICE_7945 435
1213 #define SKINNY_DEVICE_7965 436
1214 #define SKINNY_DEVICE_7975 437
1215 #define SKINNY_DEVICE_7905 20000
1216 #define SKINNY_DEVICE_7920 30002
1217 #define SKINNY_DEVICE_7970 30006
1218 #define SKINNY_DEVICE_7912 30007
1219 #define SKINNY_DEVICE_7902 30008
1220 #define SKINNY_DEVICE_CIPC 30016 /* Cisco IP Communicator */
1221 #define SKINNY_DEVICE_7961 30018
1222 #define SKINNY_DEVICE_7936 30019
1223 #define SKINNY_DEVICE_SCCPGATEWAY_AN 30027 /* Analog gateway */
1224 #define SKINNY_DEVICE_SCCPGATEWAY_BRI 30028 /* BRI gateway */
1225
1226 #define SKINNY_SPEAKERON 1
1227 #define SKINNY_SPEAKEROFF 2
1228
1229 #define SKINNY_MICON 1
1230 #define SKINNY_MICOFF 2
1231
1232 #define SKINNY_OFFHOOK 1
1233 #define SKINNY_ONHOOK 2
1234 #define SKINNY_RINGOUT 3
1235 #define SKINNY_RINGIN 4
1236 #define SKINNY_CONNECTED 5
1237 #define SKINNY_BUSY 6
1238 #define SKINNY_CONGESTION 7
1239 #define SKINNY_HOLD 8
1240 #define SKINNY_CALLWAIT 9
1241 #define SKINNY_TRANSFER 10
1242 #define SKINNY_PARK 11
1243 #define SKINNY_PROGRESS 12
1244 #define SKINNY_CALLREMOTEMULTILINE 13
1245 #define SKINNY_INVALID 14
1246
1247 #define SKINNY_INCOMING 1
1248 #define SKINNY_OUTGOING 2
1249
1250 #define SKINNY_SILENCE 0x00             /* Note sure this is part of the protocol, remove? */
1251 #define SKINNY_DIALTONE 0x21
1252 #define SKINNY_BUSYTONE 0x23
1253 #define SKINNY_ALERT 0x24
1254 #define SKINNY_REORDER 0x25
1255 #define SKINNY_CALLWAITTONE 0x2D
1256 #define SKINNY_ZIPZIP 0x31
1257 #define SKINNY_ZIP 0x32
1258 #define SKINNY_BEEPBONK 0x33
1259 #define SKINNY_BARGIN 0x43
1260 #define SKINNY_NOTONE 0x7F
1261
1262 #define SKINNY_LAMP_OFF 1
1263 #define SKINNY_LAMP_ON 2
1264 #define SKINNY_LAMP_WINK 3
1265 #define SKINNY_LAMP_FLASH 4
1266 #define SKINNY_LAMP_BLINK 5
1267
1268 #define SKINNY_RING_OFF 1
1269 #define SKINNY_RING_INSIDE 2
1270 #define SKINNY_RING_OUTSIDE 3
1271 #define SKINNY_RING_FEATURE 4
1272
1273 #define SKINNY_CFWD_ALL       (1 << 0)
1274 #define SKINNY_CFWD_BUSY      (1 << 1)
1275 #define SKINNY_CFWD_NOANSWER  (1 << 2)
1276
1277 /* Skinny rtp stream modes. Do we really need this? */
1278 #define SKINNY_CX_SENDONLY 0
1279 #define SKINNY_CX_RECVONLY 1
1280 #define SKINNY_CX_SENDRECV 2
1281 #define SKINNY_CX_CONF 3
1282 #define SKINNY_CX_CONFERENCE 3
1283 #define SKINNY_CX_MUTE 4
1284 #define SKINNY_CX_INACTIVE 4
1285
1286 #if 0
1287 static const char * const skinny_cxmodes[] = {
1288         "sendonly",
1289         "recvonly",
1290         "sendrecv",
1291         "confrnce",
1292         "inactive"
1293 };
1294 #endif
1295
1296 /* driver scheduler */
1297 static struct ast_sched_context *sched = NULL;
1298
1299 /* Protect the network socket */
1300 AST_MUTEX_DEFINE_STATIC(netlock);
1301
1302 /* Wait up to 16 seconds for first digit */
1303 static int firstdigittimeout = 16000;
1304
1305 /* How long to wait for following digits */
1306 static int gendigittimeout = 8000;
1307
1308 /* How long to wait for an extra digit, if there is an ambiguous match */
1309 static int matchdigittimeout = 3000;
1310
1311 #define SUBSTATE_UNSET 0
1312 #define SUBSTATE_OFFHOOK 1
1313 #define SUBSTATE_ONHOOK 2
1314 #define SUBSTATE_RINGOUT 3
1315 #define SUBSTATE_RINGIN 4
1316 #define SUBSTATE_CONNECTED 5
1317 #define SUBSTATE_BUSY 6
1318 #define SUBSTATE_CONGESTION 7
1319 #define SUBSTATE_HOLD 8
1320 #define SUBSTATE_CALLWAIT 9
1321 #define SUBSTATE_PROGRESS 12
1322 #define SUBSTATE_DIALING 101
1323
1324 struct skinny_subchannel {
1325         ast_mutex_t lock;
1326         struct ast_channel *owner;
1327         struct ast_rtp_instance *rtp;
1328         struct ast_rtp_instance *vrtp;
1329         unsigned int callid;
1330         char exten[AST_MAX_EXTENSION];
1331         /* time_t lastouttime; */ /* Unused */
1332         int progress;
1333         int ringing;
1334         /* int lastout; */ /* Unused */
1335         int cxmode;
1336         int nat;
1337         int calldirection;
1338         int blindxfer;
1339         int xferor;
1340         int substate;
1341         int aa_sched;
1342         int aa_beep;
1343         int aa_mute;
1344         int dialer_sched;
1345
1346         AST_LIST_ENTRY(skinny_subchannel) list;
1347         struct skinny_subchannel *related;
1348         struct skinny_line *line;
1349         struct skinny_subline *subline;
1350 };
1351
1352 #define SKINNY_LINE_OPTIONS                             \
1353         char name[80];                                  \
1354         char label[24];                                 \
1355         char accountcode[AST_MAX_ACCOUNT_CODE];         \
1356         char exten[AST_MAX_EXTENSION];                  \
1357         char context[AST_MAX_CONTEXT];                  \
1358         char language[MAX_LANGUAGE];                    \
1359         char cid_num[AST_MAX_EXTENSION];                \
1360         char cid_name[AST_MAX_EXTENSION];               \
1361         char lastcallerid[AST_MAX_EXTENSION];           \
1362         int cfwdtype;                                   \
1363         char call_forward_all[AST_MAX_EXTENSION];       \
1364         char call_forward_busy[AST_MAX_EXTENSION];      \
1365         char call_forward_noanswer[AST_MAX_EXTENSION];  \
1366         char mailbox[AST_MAX_EXTENSION];                \
1367         char vmexten[AST_MAX_EXTENSION];                \
1368         char regexten[AST_MAX_EXTENSION];               \
1369         char regcontext[AST_MAX_CONTEXT];               \
1370         char parkinglot[AST_MAX_CONTEXT];               \
1371         char mohinterpret[MAX_MUSICCLASS];              \
1372         char mohsuggest[MAX_MUSICCLASS];                \
1373         char lastnumberdialed[AST_MAX_EXTENSION];       \
1374         char dialoutexten[AST_MAX_EXTENSION];           \
1375         char dialoutcontext[AST_MAX_CONTEXT];           \
1376         ast_group_t callgroup;                          \
1377         ast_group_t pickupgroup;                        \
1378         struct ast_namedgroups *named_callgroups;       \
1379         struct ast_namedgroups *named_pickupgroups;     \
1380         int callwaiting;                                \
1381         int transfer;                                   \
1382         int threewaycalling;                            \
1383         int mwiblink;                                   \
1384         int cancallforward;                             \
1385         int getforward;                                 \
1386         int dnd;                                        \
1387         int hidecallerid;                               \
1388         int amaflags;                                   \
1389         int instance;                                   \
1390         int group;                                      \
1391         struct ast_codec_pref confprefs;                \
1392         struct ast_codec_pref prefs;                    \
1393         int nonCodecCapability;                         \
1394         int immediate;                                  \
1395         int nat;                                        \
1396         int directmedia;                                \
1397         int prune;
1398
1399 struct skinny_line {
1400         SKINNY_LINE_OPTIONS
1401         ast_mutex_t lock;
1402         struct skinny_container *container;
1403         struct ast_event_sub *mwi_event_sub; /* Event based MWI */
1404         struct skinny_subchannel *activesub;
1405         AST_LIST_HEAD(, skinny_subchannel) sub;
1406         AST_LIST_HEAD(, skinny_subline) sublines;
1407         AST_LIST_ENTRY(skinny_line) list;
1408         AST_LIST_ENTRY(skinny_line) all;
1409         struct skinny_device *device;
1410         struct ast_format_cap *cap;
1411         struct ast_format_cap *confcap;
1412         struct ast_variable *chanvars; /*!< Channel variables to set for inbound call */
1413         int newmsgs;
1414 };
1415
1416 static struct skinny_line_options{
1417         SKINNY_LINE_OPTIONS
1418 } default_line_struct = {
1419         .callwaiting = 1,
1420         .transfer = 1,
1421         .mwiblink = 0,
1422         .dnd = 0,
1423         .hidecallerid = 0,
1424         .amaflags = 0,
1425         .instance = 0,
1426         .directmedia = 0,
1427         .nat = 0,
1428         .getforward = 0,
1429         .prune = 0,
1430 };
1431 static struct skinny_line_options *default_line = &default_line_struct;
1432
1433 static AST_LIST_HEAD_STATIC(lines, skinny_line);
1434
1435 struct skinny_subline {
1436         struct skinny_container *container;
1437         struct skinny_line *line;
1438         struct skinny_subchannel *sub;
1439         AST_LIST_ENTRY(skinny_subline) list;
1440         char name[80];
1441         char context[AST_MAX_CONTEXT];
1442         char exten[AST_MAX_EXTENSION];
1443         char stname[AST_MAX_EXTENSION];
1444         char lnname[AST_MAX_EXTENSION];
1445         char ourName[40];
1446         char ourNum[24];
1447         char theirName[40];
1448         char theirNum[24];
1449         int calldirection;
1450         int substate;
1451         int extenstate;
1452         unsigned int callid;
1453 };
1454
1455 struct skinny_speeddial {
1456         ast_mutex_t lock;
1457         struct skinny_container *container;
1458         char label[42];
1459         char context[AST_MAX_CONTEXT];
1460         char exten[AST_MAX_EXTENSION];
1461         int instance;
1462         int stateid;
1463         int laststate;
1464         int isHint;
1465
1466         AST_LIST_ENTRY(skinny_speeddial) list;
1467         struct skinny_device *parent;
1468 };
1469
1470 #define SKINNY_DEVICECONTAINER 1
1471 #define SKINNY_LINECONTAINER 2
1472 #define SKINNY_SUBLINECONTAINER 3
1473 #define SKINNY_SDCONTAINER 4
1474
1475 struct skinny_container {
1476         int type;
1477         void *data;
1478 };
1479
1480 struct skinny_addon {
1481         ast_mutex_t lock;
1482         char type[10];
1483         AST_LIST_ENTRY(skinny_addon) list;
1484         struct skinny_device *parent;
1485 };
1486
1487 #define SKINNY_DEVICE_OPTIONS                                   \
1488         char name[80];                                          \
1489         char id[16];                                            \
1490         char version_id[16];                                    \
1491         char vmexten[AST_MAX_EXTENSION];                        \
1492         int type;                                               \
1493         int protocolversion;                            \
1494         int hookstate;                                  \
1495         int lastlineinstance;                                   \
1496         int lastcallreference;                                  \
1497         struct ast_codec_pref confprefs;                        \
1498         int earlyrtp;                                           \
1499         int transfer;                                           \
1500         int callwaiting;                                        \
1501         int mwiblink;                                           \
1502         int dnd;                                                \
1503         int prune;
1504
1505 struct skinny_device {
1506         SKINNY_DEVICE_OPTIONS
1507         struct type *first;
1508         struct type *last;
1509         ast_mutex_t lock;
1510         struct sockaddr_in addr;
1511         struct in_addr ourip;
1512         struct ast_ha *ha;
1513         struct skinnysession *session;
1514         struct skinny_line *activeline;
1515         struct ast_format_cap *cap;
1516         struct ast_format_cap *confcap;
1517         AST_LIST_HEAD(, skinny_line) lines;
1518         AST_LIST_HEAD(, skinny_speeddial) speeddials;
1519         AST_LIST_HEAD(, skinny_addon) addons;
1520         AST_LIST_ENTRY(skinny_device) list;
1521 };
1522
1523 static struct skinny_device_options {
1524         SKINNY_DEVICE_OPTIONS
1525 } default_device_struct = {
1526         .transfer = 1,
1527         .earlyrtp = 1,
1528         .callwaiting = 1,
1529         .mwiblink = 0,
1530         .dnd = 0,
1531         .prune = 0,
1532         .hookstate = SKINNY_ONHOOK,
1533 };
1534 static struct skinny_device_options *default_device = &default_device_struct;
1535
1536 static AST_LIST_HEAD_STATIC(devices, skinny_device);
1537
1538 struct skinnysession {
1539         pthread_t t;
1540         ast_mutex_t lock;
1541         time_t start;
1542         struct sockaddr_in sin;
1543         int fd;
1544         char inbuf[SKINNY_MAX_PACKET];
1545         char outbuf[SKINNY_MAX_PACKET];
1546         struct skinny_device *device;
1547         AST_LIST_ENTRY(skinnysession) list;
1548 };
1549
1550 static struct ast_channel *skinny_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *dest, int *cause);
1551 static AST_LIST_HEAD_STATIC(sessions, skinnysession);
1552
1553 static int skinny_devicestate(const char *data);
1554 static int skinny_call(struct ast_channel *ast, const char *dest, int timeout);
1555 static int skinny_hangup(struct ast_channel *ast);
1556 static int skinny_answer(struct ast_channel *ast);
1557 static struct ast_frame *skinny_read(struct ast_channel *ast);
1558 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
1559 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
1560 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
1561 static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
1562 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
1563 static void mwi_event_cb(const struct ast_event *event, void *userdata);
1564 static int skinny_dialer_cb(const void *data);
1565 static int skinny_reload(void);
1566
1567 static void setsubstate(struct skinny_subchannel *sub, int state);
1568 static void dumpsub(struct skinny_subchannel *sub, int forcehangup);
1569 static void activatesub(struct skinny_subchannel *sub, int state);
1570 static void dialandactivatesub(struct skinny_subchannel *sub, char exten[AST_MAX_EXTENSION]);
1571
1572 static struct ast_channel_tech skinny_tech = {
1573         .type = "Skinny",
1574         .description = tdesc,
1575         .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
1576         .requester = skinny_request,
1577         .devicestate = skinny_devicestate,
1578         .call = skinny_call,
1579         .hangup = skinny_hangup,
1580         .answer = skinny_answer,
1581         .read = skinny_read,
1582         .write = skinny_write,
1583         .indicate = skinny_indicate,
1584         .fixup = skinny_fixup,
1585         .send_digit_begin = skinny_senddigit_begin,
1586         .send_digit_end = skinny_senddigit_end,
1587         .bridge = ast_rtp_instance_bridge,
1588 };
1589
1590 static int skinny_extensionstate_cb(char *context, char *id, struct ast_state_cb_info *info, void *data);
1591 static int skinny_transfer(struct skinny_subchannel *sub);
1592
1593 static struct skinny_line *skinny_line_alloc(void)
1594 {
1595         struct skinny_line *l;
1596         if (!(l = ast_calloc(1, sizeof(*l)))) {
1597                 return NULL;
1598         }
1599
1600         l->cap = ast_format_cap_alloc_nolock();
1601         l->confcap = ast_format_cap_alloc_nolock();
1602         if (!l->cap || !l->confcap) {
1603                 l->cap = ast_format_cap_destroy(l->cap);
1604                 l->confcap = ast_format_cap_destroy(l->confcap);
1605                 ast_free(l);
1606                 return NULL;
1607         }
1608         return l;
1609 }
1610 static struct skinny_line *skinny_line_destroy(struct skinny_line *l)
1611 {
1612         l->cap = ast_format_cap_destroy(l->cap);
1613         l->confcap = ast_format_cap_destroy(l->confcap);
1614         l->named_callgroups = ast_unref_namedgroups(l->named_callgroups);
1615         l->named_pickupgroups = ast_unref_namedgroups(l->named_pickupgroups);
1616         ast_free(l->container);
1617         ast_free(l);
1618         return NULL;
1619 }
1620 static struct skinny_device *skinny_device_alloc(void)
1621 {
1622         struct skinny_device *d;
1623         if (!(d = ast_calloc(1, sizeof(*d)))) {
1624                 return NULL;
1625         }
1626
1627         d->cap = ast_format_cap_alloc_nolock();
1628         d->confcap = ast_format_cap_alloc_nolock();
1629         if (!d->cap || !d->confcap) {
1630                 d->cap = ast_format_cap_destroy(d->cap);
1631                 d->confcap = ast_format_cap_destroy(d->confcap);
1632                 ast_free(d);
1633                 return NULL;
1634         }
1635         return d;
1636 }
1637 static struct skinny_device *skinny_device_destroy(struct skinny_device *d)
1638 {
1639         d->cap = ast_format_cap_destroy(d->cap);
1640         d->confcap = ast_format_cap_destroy(d->confcap);
1641         ast_free(d);
1642         return NULL;
1643 }
1644
1645 static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
1646 {
1647         struct skinny_device *d = s->device;
1648         struct skinny_addon *a;
1649         int i;
1650
1651         switch (d->type) {
1652                 case SKINNY_DEVICE_30SPPLUS:
1653                 case SKINNY_DEVICE_30VIP:
1654                         /* 13 rows, 2 columns */
1655                         for (i = 0; i < 4; i++)
1656                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1657                         (btn++)->buttonDefinition = BT_REDIAL;
1658                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1659                         (btn++)->buttonDefinition = BT_CALLPARK;
1660                         (btn++)->buttonDefinition = BT_FORWARDALL;
1661                         (btn++)->buttonDefinition = BT_CONFERENCE;
1662                         for (i = 0; i < 4; i++)
1663                                 (btn++)->buttonDefinition = BT_NONE;
1664                         for (i = 0; i < 13; i++)
1665                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1666
1667                         break;
1668                 case SKINNY_DEVICE_12SPPLUS:
1669                 case SKINNY_DEVICE_12SP:
1670                 case SKINNY_DEVICE_12:
1671                         /* 6 rows, 2 columns */
1672                         for (i = 0; i < 2; i++)
1673                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1674                         for (i = 0; i < 4; i++)
1675                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1676                         (btn++)->buttonDefinition = BT_HOLD;
1677                         (btn++)->buttonDefinition = BT_REDIAL;
1678                         (btn++)->buttonDefinition = BT_TRANSFER;
1679                         (btn++)->buttonDefinition = BT_FORWARDALL;
1680                         (btn++)->buttonDefinition = BT_CALLPARK;
1681                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1682                         break;
1683                 case SKINNY_DEVICE_7910:
1684                         (btn++)->buttonDefinition = BT_LINE;
1685                         (btn++)->buttonDefinition = BT_HOLD;
1686                         (btn++)->buttonDefinition = BT_TRANSFER;
1687                         (btn++)->buttonDefinition = BT_DISPLAY;
1688                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1689                         (btn++)->buttonDefinition = BT_CONFERENCE;
1690                         (btn++)->buttonDefinition = BT_FORWARDALL;
1691                         for (i = 0; i < 2; i++)
1692                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1693                         (btn++)->buttonDefinition = BT_REDIAL;
1694                         break;
1695                 case SKINNY_DEVICE_7960:
1696                 case SKINNY_DEVICE_7961:
1697                 case SKINNY_DEVICE_7961GE:
1698                 case SKINNY_DEVICE_7962:
1699                 case SKINNY_DEVICE_7965:
1700                         for (i = 0; i < 6; i++)
1701                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1702                         break;
1703                 case SKINNY_DEVICE_7940:
1704                 case SKINNY_DEVICE_7941:
1705                 case SKINNY_DEVICE_7941GE:
1706                 case SKINNY_DEVICE_7942:
1707                 case SKINNY_DEVICE_7945:
1708                         for (i = 0; i < 2; i++)
1709                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1710                         break;
1711                 case SKINNY_DEVICE_7935:
1712                 case SKINNY_DEVICE_7936:
1713                         for (i = 0; i < 2; i++)
1714                                 (btn++)->buttonDefinition = BT_LINE;
1715                         break;
1716                 case SKINNY_DEVICE_ATA186:
1717                         (btn++)->buttonDefinition = BT_LINE;
1718                         break;
1719                 case SKINNY_DEVICE_7970:
1720                 case SKINNY_DEVICE_7971:
1721                 case SKINNY_DEVICE_7975:
1722                 case SKINNY_DEVICE_CIPC:
1723                         for (i = 0; i < 8; i++)
1724                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1725                         break;
1726                 case SKINNY_DEVICE_7985:
1727                         /* XXX I have no idea what the buttons look like on these. */
1728                         ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
1729                         break;
1730                 case SKINNY_DEVICE_7912:
1731                 case SKINNY_DEVICE_7911:
1732                 case SKINNY_DEVICE_7905:
1733                         (btn++)->buttonDefinition = BT_LINE;
1734                         (btn++)->buttonDefinition = BT_HOLD;
1735                         break;
1736                 case SKINNY_DEVICE_7920:
1737                         /* XXX I don't know if this is right. */
1738                         for (i = 0; i < 4; i++)
1739                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1740                         break;
1741                 case SKINNY_DEVICE_7921:
1742                         for (i = 0; i < 6; i++)
1743                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1744                         break;
1745                 case SKINNY_DEVICE_7902:
1746                         ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
1747                         break;
1748                 case SKINNY_DEVICE_7906:
1749                         ast_log(LOG_WARNING, "Unsupported device type '%d (7906)' found.\n", d->type);
1750                         break;
1751                 case SKINNY_DEVICE_7931:
1752                         ast_log(LOG_WARNING, "Unsupported device type '%d (7931)' found.\n", d->type);
1753                         break;
1754                 case SKINNY_DEVICE_7937:
1755                         ast_log(LOG_WARNING, "Unsupported device type '%d (7937)' found.\n", d->type);
1756                         break;
1757                 case SKINNY_DEVICE_7914:
1758                         ast_log(LOG_WARNING, "Unsupported device type '%d (7914)' found.  Expansion module registered by itself?\n", d->type);
1759                         break;
1760                 case SKINNY_DEVICE_SCCPGATEWAY_AN:
1761                 case SKINNY_DEVICE_SCCPGATEWAY_BRI:
1762                         ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
1763                         break;
1764                 default:
1765                         ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
1766                         break;
1767         }
1768
1769         AST_LIST_LOCK(&d->addons);
1770         AST_LIST_TRAVERSE(&d->addons, a, list) {
1771                 if (!strcasecmp(a->type, "7914")) {
1772                         for (i = 0; i < 14; i++)
1773                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1774                 } else {
1775                         ast_log(LOG_WARNING, "Unknown addon type '%s' found.  Skipping.\n", a->type);
1776                 }
1777         }
1778         AST_LIST_UNLOCK(&d->addons);
1779
1780         return btn;
1781 }
1782
1783 static struct skinny_req *req_alloc(size_t size, int response_message)
1784 {
1785         struct skinny_req *req;
1786
1787         if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
1788                 return NULL;
1789
1790         req->len = htolel(size+4);
1791         req->e = htolel(response_message);
1792
1793         return req;
1794 }
1795
1796 static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
1797 {
1798         struct skinny_line *l;
1799
1800         /*Dialing from on hook or on a 7920 uses instance 0 in requests
1801           but we need to start looking at instance 1 */
1802
1803         if (!instance)
1804                 instance = 1;
1805
1806         AST_LIST_TRAVERSE(&d->lines, l, list){
1807                 if (l->instance == instance)
1808                         break;
1809         }
1810
1811         if (!l) {
1812                 ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
1813         }
1814         return l;
1815 }
1816
1817 static struct skinny_line *find_line_by_name(const char *dest)
1818 {
1819         struct skinny_line *l;
1820         struct skinny_line *tmpl = NULL;
1821         struct skinny_device *d;
1822         char line[256];
1823         char *at;
1824         char *device;
1825         int checkdevice = 0;
1826
1827         ast_copy_string(line, dest, sizeof(line));
1828         at = strchr(line, '@');
1829         if (at)
1830                 *at++ = '\0';
1831         device = at;
1832
1833         if (!ast_strlen_zero(device))
1834                 checkdevice = 1;
1835
1836         AST_LIST_LOCK(&devices);
1837         AST_LIST_TRAVERSE(&devices, d, list){
1838                 if (checkdevice && tmpl)
1839                         break;
1840                 else if (!checkdevice) {
1841                         /* This is a match, since we're checking for line on every device. */
1842                 } else if (!strcasecmp(d->name, device)) {
1843                 } else
1844                         continue;
1845
1846                 /* Found the device (or we don't care which device) */
1847                 AST_LIST_TRAVERSE(&d->lines, l, list){
1848                         /* Search for the right line */
1849                         if (!strcasecmp(l->name, line)) {
1850                                 if (tmpl) {
1851                                         ast_log(LOG_WARNING, "Ambiguous line name: %s\n", line);
1852                                         AST_LIST_UNLOCK(&devices);
1853                                         return NULL;
1854                                 } else
1855                                         tmpl = l;
1856                         }
1857                 }
1858         }
1859         AST_LIST_UNLOCK(&devices);
1860         return tmpl;
1861 }
1862
1863 static struct skinny_subline *find_subline_by_name(const char *dest)
1864 {
1865         struct skinny_line *l;
1866         struct skinny_subline *subline;
1867         struct skinny_subline *tmpsubline = NULL;
1868         struct skinny_device *d;
1869
1870         AST_LIST_LOCK(&devices);
1871         AST_LIST_TRAVERSE(&devices, d, list){
1872                 AST_LIST_TRAVERSE(&d->lines, l, list){
1873                         AST_LIST_TRAVERSE(&l->sublines, subline, list){
1874                                 if (!strcasecmp(subline->name, dest)) {
1875                                         if (tmpsubline) {
1876                                                 ast_verb(2, "Ambiguous subline name: %s\n", dest);
1877                                                 AST_LIST_UNLOCK(&devices);
1878                                                 return NULL;
1879                                         } else
1880                                                 tmpsubline = subline;
1881                                 }
1882                         }
1883                 }
1884         }
1885         AST_LIST_UNLOCK(&devices);
1886         return tmpsubline;
1887 }
1888
1889 static struct skinny_subline *find_subline_by_callid(struct skinny_device *d, int callid)
1890 {
1891         struct skinny_subline *subline;
1892         struct skinny_line *l;
1893
1894         AST_LIST_TRAVERSE(&d->lines, l, list){
1895                 AST_LIST_TRAVERSE(&l->sublines, subline, list){
1896                         if (subline->callid == callid) {
1897                                 return subline;
1898                         }
1899                 }
1900         }
1901         return NULL;
1902 }
1903
1904 /*!
1905  * implement the setvar config line
1906  */
1907 static struct ast_variable *add_var(const char *buf, struct ast_variable *list)
1908 {
1909         struct ast_variable *tmpvar = NULL;
1910         char *varname = ast_strdupa(buf), *varval = NULL;
1911
1912         if ((varval = strchr(varname,'='))) {
1913                 *varval++ = '\0';
1914                 if ((tmpvar = ast_variable_new(varname, varval, ""))) {
1915                         tmpvar->next = list;
1916                         list = tmpvar;
1917                 }
1918         }
1919         return list;
1920 }
1921
1922 static int skinny_sched_del(int sched_id, struct skinny_subchannel *sub)
1923 {
1924         SKINNY_DEBUG(DEBUG_SUB, 3, "Sub %d - Deleting SCHED %d\n",
1925                 sub->callid, sched_id);
1926         return ast_sched_del(sched, sched_id);
1927 }
1928
1929 static int skinny_sched_add(int when, ast_sched_cb callback, struct skinny_subchannel *sub)
1930 {
1931         int ret;
1932         ret = ast_sched_add(sched, when, callback, sub);
1933         SKINNY_DEBUG(DEBUG_SUB, 3, "Sub %d - Added SCHED %d\n",
1934                 sub->callid, ret);
1935         return ret;
1936 }
1937
1938 /* It's quicker/easier to find the subchannel when we know the instance number too */
1939 static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
1940 {
1941         struct skinny_line *l = find_line_by_instance(d, instance);
1942         struct skinny_subchannel *sub;
1943
1944         if (!l) {
1945                 return NULL;
1946         }
1947
1948         /* 7920 phones set call reference to 0, so use the first
1949            sub-channel on the list.
1950            This MIGHT need more love to be right */
1951         if (!reference)
1952                 sub = AST_LIST_FIRST(&l->sub);
1953         else {
1954                 AST_LIST_TRAVERSE(&l->sub, sub, list) {
1955                         if (sub->callid == reference)
1956                                 break;
1957                 }
1958         }
1959         if (!sub) {
1960                 ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
1961         }
1962         return sub;
1963 }
1964
1965 /* Find the subchannel when we only have the callid - this shouldn't happen often */
1966 static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
1967 {
1968         struct skinny_line *l;
1969         struct skinny_subchannel *sub = NULL;
1970
1971         AST_LIST_TRAVERSE(&d->lines, l, list){
1972                 AST_LIST_TRAVERSE(&l->sub, sub, list){
1973                         if (sub->callid == reference)
1974                                 break;
1975                 }
1976                 if (sub)
1977                         break;
1978         }
1979
1980         if (!l) {
1981                 ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
1982         } else {
1983                 if (!sub) {
1984                         ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
1985                 }
1986         }
1987         return sub;
1988 }
1989
1990 static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance, int isHint)
1991 {
1992         struct skinny_speeddial *sd;
1993
1994         AST_LIST_TRAVERSE(&d->speeddials, sd, list) {
1995                 if (sd->isHint == isHint && sd->instance == instance)
1996                         break;
1997         }
1998
1999         if (!sd) {
2000                 ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
2001         }
2002         return sd;
2003 }
2004
2005 static struct ast_format *codec_skinny2ast(enum skinny_codecs skinnycodec, struct ast_format *result)
2006 {
2007         switch (skinnycodec) {
2008         case SKINNY_CODEC_ALAW:
2009                 return ast_format_set(result, AST_FORMAT_ALAW, 0);
2010         case SKINNY_CODEC_ULAW:
2011                 return ast_format_set(result, AST_FORMAT_ULAW, 0);
2012         case SKINNY_CODEC_G722:
2013                 return ast_format_set(result, AST_FORMAT_G722, 0);
2014         case SKINNY_CODEC_G723_1:
2015                 return ast_format_set(result, AST_FORMAT_G723_1, 0);
2016         case SKINNY_CODEC_G729A:
2017                 return ast_format_set(result, AST_FORMAT_G729A, 0);
2018         case SKINNY_CODEC_G726_32:
2019                 return ast_format_set(result, AST_FORMAT_G726_AAL2, 0); /* XXX Is this right? */
2020         case SKINNY_CODEC_H261:
2021                 return ast_format_set(result, AST_FORMAT_H261, 0);
2022         case SKINNY_CODEC_H263:
2023                 return ast_format_set(result, AST_FORMAT_H263 ,0);
2024         default:
2025                 ast_format_clear(result);
2026                 return result;
2027         }
2028 }
2029
2030 static int codec_ast2skinny(const struct ast_format *astcodec)
2031 {
2032         switch (astcodec->id) {
2033         case AST_FORMAT_ALAW:
2034                 return SKINNY_CODEC_ALAW;
2035         case AST_FORMAT_ULAW:
2036                 return SKINNY_CODEC_ULAW;
2037         case AST_FORMAT_G722:
2038                 return SKINNY_CODEC_G722;
2039         case AST_FORMAT_G723_1:
2040                 return SKINNY_CODEC_G723_1;
2041         case AST_FORMAT_G729A:
2042                 return SKINNY_CODEC_G729A;
2043         case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
2044                 return SKINNY_CODEC_G726_32;
2045         case AST_FORMAT_H261:
2046                 return SKINNY_CODEC_H261;
2047         case AST_FORMAT_H263:
2048                 return SKINNY_CODEC_H263;
2049         default:
2050                 return 0;
2051         }
2052 }
2053
2054 static int set_callforwards(struct skinny_line *l, const char *cfwd, int cfwdtype)
2055 {
2056         if (!l)
2057                 return 0;
2058
2059         if (!ast_strlen_zero(cfwd)) {
2060                 if (cfwdtype & SKINNY_CFWD_ALL) {
2061                         l->cfwdtype |= SKINNY_CFWD_ALL;
2062                         ast_copy_string(l->call_forward_all, cfwd, sizeof(l->call_forward_all));
2063                 }
2064                 if (cfwdtype & SKINNY_CFWD_BUSY) {
2065                         l->cfwdtype |= SKINNY_CFWD_BUSY;
2066                         ast_copy_string(l->call_forward_busy, cfwd, sizeof(l->call_forward_busy));
2067                 }
2068                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
2069                         l->cfwdtype |= SKINNY_CFWD_NOANSWER;
2070                         ast_copy_string(l->call_forward_noanswer, cfwd, sizeof(l->call_forward_noanswer));
2071                 }
2072         } else {
2073                 if (cfwdtype & SKINNY_CFWD_ALL) {
2074                         l->cfwdtype &= ~SKINNY_CFWD_ALL;
2075                         memset(l->call_forward_all, 0, sizeof(l->call_forward_all));
2076                 }
2077                 if (cfwdtype & SKINNY_CFWD_BUSY) {
2078                         l->cfwdtype &= ~SKINNY_CFWD_BUSY;
2079                         memset(l->call_forward_busy, 0, sizeof(l->call_forward_busy));
2080                 }
2081                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
2082                         l->cfwdtype &= ~SKINNY_CFWD_NOANSWER;
2083                         memset(l->call_forward_noanswer, 0, sizeof(l->call_forward_noanswer));
2084                 }
2085         }
2086         return l->cfwdtype;
2087 }
2088
2089 static void cleanup_stale_contexts(char *new, char *old)
2090 {
2091         char *oldcontext, *newcontext, *stalecontext, *stringp, newlist[AST_MAX_CONTEXT];
2092
2093         while ((oldcontext = strsep(&old, "&"))) {
2094                 stalecontext = '\0';
2095                 ast_copy_string(newlist, new, sizeof(newlist));
2096                 stringp = newlist;
2097                 while ((newcontext = strsep(&stringp, "&"))) {
2098                         if (strcmp(newcontext, oldcontext) == 0) {
2099                                 /* This is not the context you're looking for */
2100                                 stalecontext = '\0';
2101                                 break;
2102                         } else if (strcmp(newcontext, oldcontext)) {
2103                                 stalecontext = oldcontext;
2104                         }
2105
2106                 }
2107                 if (stalecontext)
2108                         ast_context_destroy(ast_context_find(stalecontext), "Skinny");
2109         }
2110 }
2111
2112 static void register_exten(struct skinny_line *l)
2113 {
2114         char multi[256];
2115         char *stringp, *ext, *context;
2116
2117         if (ast_strlen_zero(regcontext))
2118                 return;
2119
2120         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
2121         stringp = multi;
2122         while ((ext = strsep(&stringp, "&"))) {
2123                 if ((context = strchr(ext, '@'))) {
2124                         *context++ = '\0'; /* split ext@context */
2125                         if (!ast_context_find(context)) {
2126                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
2127                                 continue;
2128                         }
2129                 } else {
2130                         context = regcontext;
2131                 }
2132                 ast_add_extension(context, 1, ext, 1, NULL, NULL, "Noop",
2133                          ast_strdup(l->name), ast_free_ptr, "Skinny");
2134         }
2135 }
2136
2137 static void unregister_exten(struct skinny_line *l)
2138 {
2139         char multi[256];
2140         char *stringp, *ext, *context;
2141
2142         if (ast_strlen_zero(regcontext))
2143                 return;
2144
2145         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
2146         stringp = multi;
2147         while ((ext = strsep(&stringp, "&"))) {
2148                 if ((context = strchr(ext, '@'))) {
2149                         *context++ = '\0'; /* split ext@context */
2150                         if (!ast_context_find(context)) {
2151                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
2152                                 continue;
2153                         }
2154                 } else {
2155                         context = regcontext;
2156                 }
2157                 ast_context_remove_extension(context, ext, 1, NULL);
2158         }
2159 }
2160
2161 static int skinny_register(struct skinny_req *req, struct skinnysession *s)
2162 {
2163         struct skinny_device *d;
2164         struct skinny_line *l;
2165         struct skinny_subline *subline;
2166         struct skinny_speeddial *sd;
2167         struct sockaddr_in sin;
2168         socklen_t slen;
2169         int instance;
2170
2171         AST_LIST_LOCK(&devices);
2172         AST_LIST_TRAVERSE(&devices, d, list){
2173                 struct ast_sockaddr addr;
2174                 ast_sockaddr_from_sin(&addr, &s->sin);
2175                 if (!d->session && !strcasecmp(req->data.reg.name, d->id)
2176                                 && ast_apply_ha(d->ha, &addr)) {
2177                         s->device = d;
2178                         d->type = letohl(req->data.reg.type);
2179                         d->protocolversion = letohl(req->data.reg.protocolVersion);
2180                         if (ast_strlen_zero(d->version_id)) {
2181                                 ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
2182                         }
2183                         d->session = s;
2184
2185                         slen = sizeof(sin);
2186                         if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
2187                                 ast_log(LOG_WARNING, "Cannot get socket name\n");
2188                                 sin.sin_addr = __ourip;
2189                         }
2190                         d->ourip = sin.sin_addr;
2191
2192                         AST_LIST_TRAVERSE(&d->speeddials, sd, list) {
2193                                 sd->stateid = ast_extension_state_add(sd->context, sd->exten, skinny_extensionstate_cb, sd->container);
2194                         }
2195                         instance = 0;
2196                         AST_LIST_TRAVERSE(&d->lines, l, list) {
2197                                 instance++;
2198                         }
2199                         AST_LIST_TRAVERSE(&d->lines, l, list) {
2200                                 ast_format_cap_joint_copy(l->confcap, d->cap, l->cap);
2201                                 l->prefs = l->confprefs;
2202                                 if (!l->prefs.order[0]) {
2203                                         l->prefs = d->confprefs;
2204                                 }
2205                                 /* l->capability = d->capability;
2206                                 l->prefs = d->prefs; */
2207                                 l->instance = instance;
2208                                 l->newmsgs = ast_app_has_voicemail(l->mailbox, NULL);
2209                                 set_callforwards(l, NULL, 0);
2210                                 manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "ChannelType: Skinny\r\nPeer: Skinny/%s@%s\r\nPeerStatus: Registered\r\n", l->name, d->name);
2211                                 register_exten(l);
2212                                 /* initialize MWI on line and device */
2213                                 mwi_event_cb(0, l);
2214                                 AST_LIST_TRAVERSE(&l->sublines, subline, list) {
2215                                         ast_extension_state_add(subline->context, subline->exten, skinny_extensionstate_cb, subline->container);
2216                                 }
2217                                 ast_devstate_changed(AST_DEVICE_NOT_INUSE, AST_DEVSTATE_CACHABLE, "Skinny/%s", l->name);
2218                                 --instance;
2219                         }
2220                         break;
2221                 }
2222         }
2223         AST_LIST_UNLOCK(&devices);
2224         if (!d) {
2225                 return 0;
2226         }
2227         return 1;
2228 }
2229
2230 static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
2231 {
2232         struct skinny_device *d;
2233         struct skinny_line *l;
2234         struct skinny_speeddial *sd;
2235
2236         d = s->device;
2237
2238         if (d) {
2239                 d->session = NULL;
2240
2241                 AST_LIST_TRAVERSE(&d->speeddials, sd, list) {
2242                         if (sd->stateid > -1)
2243                                 ast_extension_state_del(sd->stateid, NULL);
2244                 }
2245                 AST_LIST_TRAVERSE(&d->lines, l, list) {
2246                         if (l->device == d) {
2247                                 ast_format_cap_remove_all(l->cap);
2248                                 ast_parse_allow_disallow(&l->prefs, l->cap, "all", 0);
2249                                 l->instance = 0;
2250                                 manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "ChannelType: Skinny\r\nPeer: Skinny/%s@%s\r\nPeerStatus: Unregistered\r\n", l->name, d->name);
2251                                 unregister_exten(l);
2252                                 ast_devstate_changed(AST_DEVICE_UNAVAILABLE, AST_DEVSTATE_CACHABLE, "Skinny/%s", l->name);
2253                         }
2254                 }
2255         }
2256
2257         return -1; /* main loop will destroy the session */
2258 }
2259
2260 #ifdef AST_DEVMODE
2261 static char *callstate2str(int ind)
2262 {
2263         char *tmp;
2264
2265         switch (ind) {
2266         case SKINNY_OFFHOOK:
2267                 return "SKINNY_OFFHOOK";
2268         case SKINNY_ONHOOK:
2269                 return "SKINNY_ONHOOK";
2270         case SKINNY_RINGOUT:
2271                 return "SKINNY_RINGOUT";
2272         case SKINNY_RINGIN:
2273                 return "SKINNY_RINGIN";
2274         case SKINNY_CONNECTED:
2275                 return "SKINNY_CONNECTED";
2276         case SKINNY_BUSY:
2277                 return "SKINNY_BUSY";
2278         case SKINNY_CONGESTION:
2279                 return "SKINNY_CONGESTION";
2280         case SKINNY_PROGRESS:
2281                 return "SKINNY_PROGRESS";
2282         case SKINNY_HOLD:
2283                 return "SKINNY_HOLD";
2284         case SKINNY_CALLWAIT:
2285                 return "SKINNY_CALLWAIT";
2286         default:
2287                 if (!(tmp = ast_threadstorage_get(&callstate2str_threadbuf, CALLSTATE2STR_BUFSIZE)))
2288                         return "Unknown";
2289                 snprintf(tmp, CALLSTATE2STR_BUFSIZE, "UNKNOWN-%d", ind);
2290                 return tmp;
2291         }
2292 }
2293
2294 #endif
2295
2296 static int transmit_response_bysession(struct skinnysession *s, struct skinny_req *req)
2297 {
2298         int res = 0;
2299
2300         if (!s) {
2301                 ast_log(LOG_WARNING, "Asked to transmit to a non-existent session!\n");
2302                 return -1;
2303         }
2304
2305         ast_mutex_lock(&s->lock);
2306
2307         if ((letohl(req->len) > SKINNY_MAX_PACKET) || (letohl(req->len) < 0)) {
2308                 ast_log(LOG_WARNING, "transmit_response: the length of the request (%d) is out of bounds (%d)\n", letohl(req->len), SKINNY_MAX_PACKET);
2309                 ast_mutex_unlock(&s->lock);
2310                 return -1;
2311         }
2312
2313         memset(s->outbuf, 0, sizeof(s->outbuf));
2314         memcpy(s->outbuf, req, skinny_header_size);
2315         memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
2316
2317         res = write(s->fd, s->outbuf, letohl(req->len)+8);
2318
2319         if (res != letohl(req->len)+8) {
2320                 ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
2321                 if (res == -1) {
2322                         ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
2323                         skinny_unregister(NULL, s);
2324                 }
2325
2326         }
2327
2328         ast_free(req);
2329         ast_mutex_unlock(&s->lock);
2330         return 1;
2331 }
2332
2333 static void transmit_response(struct skinny_device *d, struct skinny_req *req)
2334 {
2335         transmit_response_bysession(d->session, req);
2336 }
2337
2338 static void transmit_registerrej(struct skinnysession *s)
2339 {
2340         struct skinny_req *req;
2341         char name[16];
2342
2343         if (!(req = req_alloc(sizeof(struct register_rej_message), REGISTER_REJ_MESSAGE)))
2344                 return;
2345
2346         memcpy(&name, req->data.reg.name, sizeof(name));
2347         snprintf(req->data.regrej.errMsg, sizeof(req->data.regrej.errMsg), "No Authority: %s", name);
2348
2349         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting REGISTER_REJ_MESSAGE to UNKNOWN_DEVICE\n");
2350         transmit_response_bysession(s, req);
2351 }
2352
2353 static void transmit_speaker_mode(struct skinny_device *d, int mode)
2354 {
2355         struct skinny_req *req;
2356
2357         if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
2358                 return;
2359
2360         req->data.setspeaker.mode = htolel(mode);
2361
2362         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting SET_SPEAKER_MESSAGE to %s, mode %d\n", d->name, mode);
2363         transmit_response(d, req);
2364 }
2365
2366 static void transmit_microphone_mode(struct skinny_device *d, int mode)
2367 {
2368         struct skinny_req *req;
2369
2370         if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
2371                 return;
2372
2373         req->data.setmicrophone.mode = htolel(mode);
2374
2375         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting SET_MICROPHONE_MESSAGE to %s, mode %d\n", d->name, mode);
2376         transmit_response(d, req);
2377 }
2378
2379 //static void transmit_callinfo(struct skinny_subchannel *sub)
2380 static void transmit_callinfo(struct skinny_device *d, int instance, int callid, char *fromname, char *fromnum, char *toname, char *tonum, int calldirection)
2381 {
2382         struct skinny_req *req;
2383
2384         if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
2385                 return;
2386
2387         ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
2388         ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
2389         ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
2390         ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
2391         req->data.callinfo.instance = htolel(instance);
2392         req->data.callinfo.reference = htolel(callid);
2393         req->data.callinfo.type = htolel(calldirection);
2394
2395         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting CALL_INFO_MESSAGE to %s, to %s(%s) from %s(%s) (dir=%d) on %s(%d)\n",
2396                 d->name, toname, tonum, fromname, fromnum, calldirection, d->name, instance);
2397         transmit_response(d, req);
2398 }
2399
2400 static void transmit_callinfo_variable(struct skinny_device *d, int instance, int callreference,
2401         char *fromname, char *fromnum, char *toname, char *tonum, int calldirection)
2402 {
2403         struct skinny_req *req;
2404         char *strptr;
2405         char *thestrings[13];
2406         int i;
2407         int callinfostrleft = MAXCALLINFOSTR;
2408
2409         if (!(req = req_alloc(sizeof(struct call_info_message_variable), CALL_INFO_MESSAGE_VARIABLE)))
2410                 return;
2411
2412         req->data.callinfomessagevariable.instance = htolel(instance);
2413         req->data.callinfomessagevariable.callreference = htolel(callreference);
2414         req->data.callinfomessagevariable.calldirection = htolel(calldirection);
2415
2416         req->data.callinfomessagevariable.unknown1 = htolel(0x00);
2417         req->data.callinfomessagevariable.unknown2 = htolel(0x00);
2418         req->data.callinfomessagevariable.unknown3 = htolel(0x00);
2419         req->data.callinfomessagevariable.unknown4 = htolel(0x00);
2420         req->data.callinfomessagevariable.unknown5 = htolel(0x00);
2421
2422         thestrings[0] = fromnum;
2423         thestrings[1] = "";                     /* Appears to be origfrom */
2424         if (calldirection == SKINNY_OUTGOING) {
2425                 thestrings[2] = tonum;
2426         } else {
2427                 thestrings[2] = "";
2428         }
2429         thestrings[3] = "203";
2430         thestrings[4] = "204";
2431         thestrings[5] = "";
2432         thestrings[6] = "";
2433         thestrings[7] = "";
2434
2435         thestrings[8] = "";
2436         thestrings[9] = fromname;
2437         thestrings[10] = toname;
2438         thestrings[11] = "";
2439         thestrings[12] = "";
2440
2441         strptr = req->data.callinfomessagevariable.calldetails;
2442
2443         for(i = 0; i < 13; i++) {
2444                 ast_copy_string(strptr, thestrings[i], callinfostrleft);
2445                 strptr += strlen(thestrings[i]) + 1;
2446                 callinfostrleft -= strlen(thestrings[i]) + 1;
2447         }
2448
2449         req->len = req->len - (callinfostrleft & ~0x3);
2450
2451         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting CALL_INFO_MESSAGE_VARIABLE to %s, to %s(%s) from %s(%s) (dir=%d) on %s(%d)\n",
2452                 d->name, toname, tonum, fromname, fromnum, calldirection, d->name, instance);
2453         transmit_response(d, req);
2454 }
2455
2456 static void send_callinfo(struct skinny_subchannel *sub)
2457 {
2458         struct ast_channel *ast;
2459         struct skinny_device *d;
2460         struct skinny_line *l;
2461         struct ast_party_id connected_id;
2462         char *fromname;
2463         char *fromnum;
2464         char *toname;
2465         char *tonum;
2466
2467         if (!sub || !sub->owner || !sub->line || !sub->line->device) {
2468                 return;
2469         }
2470
2471         ast = sub->owner;
2472         l = sub->line;
2473         d = l->device;
2474         connected_id = ast_channel_connected_effective_id(ast);
2475
2476         if (sub->calldirection == SKINNY_INCOMING) {
2477                 if ((ast_party_id_presentation(&connected_id) & AST_PRES_RESTRICTION) == AST_PRES_ALLOWED) {
2478                         fromname = S_COR(connected_id.name.valid, connected_id.name.str, "");
2479                         fromnum = S_COR(connected_id.number.valid, connected_id.number.str, "");
2480                 } else {
2481                         fromname = "";
2482                         fromnum = "";
2483                 }
2484                 toname = S_COR(ast_channel_caller(ast)->id.name.valid, ast_channel_caller(ast)->id.name.str, "");
2485                 tonum = S_COR(ast_channel_caller(ast)->id.number.valid, ast_channel_caller(ast)->id.number.str, "");
2486         } else if (sub->calldirection == SKINNY_OUTGOING) {
2487                 fromname = S_COR(ast_channel_caller(ast)->id.name.valid, ast_channel_caller(ast)->id.name.str, "");
2488                 fromnum = S_COR(ast_channel_caller(ast)->id.number.valid, ast_channel_caller(ast)->id.number.str, "");
2489                 toname = S_COR(ast_channel_connected(ast)->id.name.valid, ast_channel_connected(ast)->id.name.str, "");
2490                 tonum = S_COR(ast_channel_connected(ast)->id.number.valid, ast_channel_connected(ast)->id.number.str, l->lastnumberdialed);
2491         } else {
2492                 ast_verb(1, "Error sending Callinfo to %s(%d) - No call direction in sub\n", d->name, l->instance);
2493                 return;
2494         }
2495
2496         if (d->protocolversion < 17) {
2497                 transmit_callinfo(d, l->instance, sub->callid, fromname, fromnum, toname, tonum, sub->calldirection);
2498         } else {
2499                 transmit_callinfo_variable(d, l->instance, sub->callid, fromname, fromnum, toname, tonum, sub->calldirection);
2500         }
2501 }
2502
2503 static void push_callinfo(struct skinny_subline *subline, struct skinny_subchannel *sub)
2504 {
2505         struct ast_channel *ast;
2506         struct skinny_device *d;
2507         struct skinny_line *l;
2508         struct ast_party_id connected_id;
2509         char *fromname;
2510         char *fromnum;
2511         char *toname;
2512         char *tonum;
2513
2514         if (!sub || !sub->owner || !sub->line || !sub->line->device) {
2515                 return;
2516         }
2517
2518         ast = sub->owner;
2519         l = sub->line;
2520         d = l->device;
2521         connected_id = ast_channel_connected_effective_id(ast);
2522
2523         if (sub->calldirection == SKINNY_INCOMING) {
2524                 if((ast_party_id_presentation(&connected_id) & AST_PRES_RESTRICTION) == AST_PRES_ALLOWED) {
2525                         fromname = S_COR(connected_id.name.valid, connected_id.name.str, "");
2526                         fromnum = S_COR(connected_id.number.valid, connected_id.number.str, "");
2527                 } else {
2528                         fromname = "";
2529                         fromnum = "";
2530                 }
2531                 toname = S_COR(ast_channel_caller(ast)->id.name.valid, ast_channel_caller(ast)->id.name.str, "");
2532                 tonum = S_COR(ast_channel_caller(ast)->id.number.valid, ast_channel_caller(ast)->id.number.str, "");
2533         } else if (sub->calldirection == SKINNY_OUTGOING) {
2534                 fromname = S_COR(ast_channel_caller(ast)->id.name.valid, ast_channel_caller(ast)->id.name.str, "");
2535                 fromnum = S_COR(ast_channel_caller(ast)->id.number.valid, ast_channel_caller(ast)->id.number.str, "");
2536                 toname = S_COR(ast_channel_connected(ast)->id.name.valid, ast_channel_connected(ast)->id.name.str, "");
2537                 tonum = S_COR(ast_channel_connected(ast)->id.number.valid, ast_channel_connected(ast)->id.number.str, l->lastnumberdialed);
2538         } else {
2539                 ast_verb(1, "Error sending Callinfo to %s(%d) - No call direction in sub\n", d->name, l->instance);
2540                 return;
2541         }
2542
2543         if (d->protocolversion < 17) {
2544                 transmit_callinfo(subline->line->device, subline->line->instance, subline->callid, fromname, fromnum, toname, tonum, sub->calldirection);
2545         } else {
2546                 transmit_callinfo_variable(subline->line->device, subline->line->instance, subline->callid, fromname, fromnum, toname, tonum, sub->calldirection);
2547         }
2548 }
2549
2550 static void transmit_connect(struct skinny_device *d, struct skinny_subchannel *sub)
2551 {
2552         struct skinny_req *req;
2553         struct skinny_line *l = sub->line;
2554         struct ast_format_list fmt;
2555         struct ast_format tmpfmt;
2556
2557         if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
2558                 return;
2559         ast_best_codec(l->cap, &tmpfmt);
2560         fmt = ast_codec_pref_getsize(&l->prefs, &tmpfmt);
2561
2562         req->data.openreceivechannel.conferenceId = htolel(sub->callid);
2563         req->data.openreceivechannel.partyId = htolel(sub->callid);
2564         req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
2565         req->data.openreceivechannel.capability = htolel(codec_ast2skinny(&fmt.format));
2566         req->data.openreceivechannel.echo = htolel(0);
2567         req->data.openreceivechannel.bitrate = htolel(0);
2568
2569         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting OPEN_RECEIVE_CHANNEL_MESSAGE to %s, confid %d, partyid %d, ms %d, fmt %d, echo %d, brate %d\n",
2570                 d->name, sub->callid, sub->callid, fmt.cur_ms, codec_ast2skinny(&fmt.format), 0, 0);
2571         transmit_response(d, req);
2572 }
2573
2574 static void transmit_start_tone(struct skinny_device *d, int tone, int instance, int reference)
2575 {
2576         struct skinny_req *req;
2577         if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
2578                 return;
2579         req->data.starttone.tone = htolel(tone);
2580         req->data.starttone.instance = htolel(instance);
2581         req->data.starttone.reference = htolel(reference);
2582
2583         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting START_TONE_MESSAGE to %s, tone %d, inst %d, ref %d\n",
2584                 d->name, tone, instance, reference);
2585         transmit_response(d, req);
2586 }
2587
2588 static void transmit_stop_tone(struct skinny_device *d, int instance, int reference)
2589 {
2590         struct skinny_req *req;
2591         if (!(req = req_alloc(sizeof(struct stop_tone_message), STOP_TONE_MESSAGE)))
2592                 return;
2593         req->data.stoptone.instance = htolel(instance);
2594         req->data.stoptone.reference = htolel(reference);
2595
2596         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting STOP_TONE_MESSAGE to %s, inst %d, ref %d\n",
2597                 d->name, instance, reference);
2598         transmit_response(d, req);
2599 }
2600
2601 static int keyset_translatebitmask(int keyset, int intmask)
2602 {
2603         int extmask = 0;
2604         int x, y;
2605         const struct soft_key_definitions *softkeymode = soft_key_default_definitions;
2606
2607         for(x = 0; x < ARRAY_LEN(soft_key_default_definitions); x++) {
2608                 if (softkeymode[x].mode == keyset) {
2609                         const uint8_t *defaults = softkeymode[x].defaults;
2610
2611                         for (y = 0; y < softkeymode[x].count; y++) {
2612                                 if (intmask & (1 << (defaults[y]))) {
2613                                         extmask |= (1 << ((y)));
2614                                 }
2615                         }
2616                         break;
2617                 }
2618         }
2619
2620         return extmask;
2621 }
2622
2623 static void transmit_selectsoftkeys(struct skinny_device *d, int instance, int callid, int softkey, int mask)
2624 {
2625         struct skinny_req *req;
2626         int newmask;
2627
2628         if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
2629                 return;
2630
2631         newmask = keyset_translatebitmask(softkey, mask);
2632         req->data.selectsoftkey.instance = htolel(instance);
2633         req->data.selectsoftkey.reference = htolel(callid);
2634         req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
2635         req->data.selectsoftkey.validKeyMask = htolel(newmask);
2636
2637         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting SELECT_SOFT_KEYS_MESSAGE to %s, inst %d, callid %d, softkey %d, mask 0x%08x\n",
2638                 d->name, instance, callid, softkey, newmask);
2639         transmit_response(d, req);
2640 }
2641
2642 static void transmit_lamp_indication(struct skinny_device *d, int stimulus, int instance, int indication)
2643 {
2644         struct skinny_req *req;
2645
2646         if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
2647                 return;
2648
2649         req->data.setlamp.stimulus = htolel(stimulus);
2650         req->data.setlamp.stimulusInstance = htolel(instance);
2651         req->data.setlamp.deviceStimulus = htolel(indication);
2652
2653         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting SET_LAMP_MESSAGE to %s, stim %d, inst %d, ind %d\n",
2654                 d->name, stimulus, instance, indication);
2655         transmit_response(d, req);
2656 }
2657
2658 static void transmit_ringer_mode(struct skinny_device *d, int mode)
2659 {
2660         struct skinny_req *req;
2661
2662         if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
2663                 return;
2664
2665         req->data.setringer.ringerMode = htolel(mode);
2666         /* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
2667            Note: The phone will always show as ringing on the display.
2668
2669            1: phone will audibly ring over and over
2670            2: phone will audibly ring only once
2671            any other value, will NOT cause the phone to audibly ring
2672         */
2673         req->data.setringer.unknown1 = htolel(1);
2674         /* XXX the value here doesn't seem to change anything.  Must be higher than 0.
2675            Perhaps a packet capture can shed some light on this. */
2676         req->data.setringer.unknown2 = htolel(1);
2677
2678         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting SET_RINGER_MESSAGE to %s, mode %d, unk1 1, unk2 1\n",
2679                 d->name, mode);
2680         transmit_response(d, req);
2681 }
2682
2683 static void transmit_clear_display_message(struct skinny_device *d, int instance, int reference)
2684 {
2685         struct skinny_req *req;
2686         if (!(req = req_alloc(sizeof(struct clear_display_message), CLEAR_DISPLAY_MESSAGE)))
2687                 return;
2688
2689         //what do we want hear CLEAR_DISPLAY_MESSAGE or CLEAR_PROMPT_STATUS???
2690         //if we are clearing the display, it appears there is no instance and refernece info (size 0)
2691         //req->data.clearpromptstatus.lineInstance = instance;
2692         //req->data.clearpromptstatus.callReference = reference;
2693
2694         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting CLEAR_DISPLAY_MESSAGE to %s\n", d->name);
2695         transmit_response(d, req);
2696 }
2697
2698 /* This function is not currently used, but will be (wedhorn)*/
2699 /* static void transmit_display_message(struct skinny_device *d, const char *text, int instance, int reference)
2700 {
2701         struct skinny_req *req;
2702
2703         if (text == 0) {
2704                 ast_verb(1, "Bug, Asked to display empty message\n");
2705                 return;
2706         }
2707
2708         if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
2709                 return;
2710
2711         ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
2712         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting DISPLAYTEXT_MESSAGE to %s, text %s\n", d->name, text);
2713         transmit_response(d, req);
2714 } */
2715
2716 static void transmit_displaynotify(struct skinny_device *d, const char *text, int t)
2717 {
2718         struct skinny_req *req;
2719
2720         if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
2721                 return;
2722
2723         ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
2724         req->data.displaynotify.displayTimeout = htolel(t);
2725
2726         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting DISPLAY_NOTIFY_MESSAGE to %s, text %s\n", d->name, text);
2727         transmit_response(d, req);
2728 }
2729
2730 static void transmit_displaypromptstatus(struct skinny_device *d, const char *text, const char *extratext, int t, int instance, int callid)
2731 {
2732         struct skinny_req *req;
2733
2734         if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
2735                 return;
2736
2737         req->data.displaypromptstatus.messageTimeout = htolel(t);
2738         req->data.displaypromptstatus.lineInstance = htolel(instance);
2739         req->data.displaypromptstatus.callReference = htolel(callid);
2740
2741         if ((char)*text == '\200') {
2742                 int octalstrlen = strlen(text);
2743                 ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatusvar.promptMessage));
2744                 ast_copy_string(req->data.displaypromptstatus.promptMessage+octalstrlen, extratext, sizeof(req->data.displaypromptstatus.promptMessage)-octalstrlen);
2745                 SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting DISPLAY_PROMPT_STATUS_MESSAGE to %s, '\\%03o\\%03o', '%s'\n",
2746                         d->name, (uint8_t)*text, (uint8_t)*(text+1), extratext);
2747         } else {
2748                 ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
2749                 SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting DISPLAY_PROMPT_STATUS_MESSAGE to %s, '%s'\n",
2750                         d->name, text);
2751         }
2752         transmit_response(d, req);
2753 }
2754
2755 static void transmit_displaypromptstatusvar(struct skinny_device *d, const char *text, const char *extratext, int t, int instance, int callid)
2756 {
2757         struct skinny_req *req;
2758         int packetlen;
2759
2760         if (!(req = req_alloc(sizeof(struct display_prompt_status_message_variable), DISPLAY_PROMPT_STATUS_MESSAGE_VARIABLE)))
2761                 return;
2762
2763         req->data.displaypromptstatusvar.lineInstance = htolel(instance);
2764         req->data.displaypromptstatusvar.callReference = htolel(callid);
2765
2766         if ((char)*text == '\200') {
2767                 int octalstrlen = strlen(text);
2768                 ast_copy_string(req->data.displaypromptstatusvar.promptMessage, text, sizeof(req->data.displaypromptstatusvar.promptMessage));
2769                 ast_copy_string(req->data.displaypromptstatusvar.promptMessage+octalstrlen, extratext, sizeof(req->data.displaypromptstatusvar.promptMessage)-octalstrlen);
2770                 packetlen = req->len - MAXCALLINFOSTR + strlen(text) + strlen(extratext);
2771                 SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting DISPLAY_PROMPT_STATUS_MESSAGE_VARIABLE to %s, '\\%03o\\%03o', '%s'\n",
2772                         d->name, (uint8_t)*text, (uint8_t)*(text+1), extratext);
2773         } else {
2774                 ast_copy_string(req->data.displaypromptstatusvar.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
2775                 packetlen = req->len - MAXCALLINFOSTR + strlen(text);
2776                 SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting DISPLAY_PROMPT_STATUS_MESSAGE_VARIABLE to %s, '%s'\n",
2777                         d->name, text);
2778         }
2779         req->len = (packetlen & ~0x3) + 4;
2780
2781         transmit_response(d, req);
2782 }
2783
2784 static void send_displaypromptstatus(struct skinny_device *d, const char *text, const char *extratext, int t, int instance, int callid)
2785 {
2786         if (d->protocolversion < 17) {
2787                 transmit_displaypromptstatus(d, text, extratext, t, instance, callid);
2788         } else {
2789                 transmit_displaypromptstatusvar(d, text, extratext, t, instance, callid);
2790         }
2791 }
2792
2793 static void transmit_clearpromptmessage(struct skinny_device *d, int instance, int callid)
2794 {
2795         struct skinny_req *req;
2796
2797         if (!(req = req_alloc(sizeof(struct clear_prompt_message), CLEAR_PROMPT_MESSAGE)))
2798                 return;
2799
2800         req->data.clearpromptstatus.lineInstance = htolel(instance);
2801         req->data.clearpromptstatus.callReference = htolel(callid);
2802
2803         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting CLEAR_PROMPT_MESSAGE to %s, inst %d, callid %d\n",
2804                 d->name, instance, callid);
2805         transmit_response(d, req);
2806 }
2807
2808 static void transmit_dialednumber(struct skinny_device *d, const char *text, int instance, int callid)
2809 {
2810         struct skinny_req *req;
2811
2812         if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
2813                 return;
2814
2815         ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
2816         req->data.dialednumber.lineInstance = htolel(instance);
2817         req->data.dialednumber.callReference = htolel(callid);
2818
2819         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting DIALED_NUMBER_MESSAGE to %s, num %s, inst %d, callid %d\n",
2820                 d->name, text, instance, callid);
2821         transmit_response(d, req);
2822 }
2823
2824 static void transmit_closereceivechannel(struct skinny_device *d, struct skinny_subchannel *sub)
2825 {
2826         struct skinny_req *req;
2827
2828         if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
2829                 return;
2830
2831         req->data.closereceivechannel.conferenceId = htolel(0);
2832         req->data.closereceivechannel.partyId = htolel(sub->callid);
2833
2834         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting CLOSE_RECEIVE_CHANNEL_MESSAGE to %s, confid %d, callid %d\n",
2835                 d->name, 0, sub->callid);
2836         transmit_response(d, req);
2837 }
2838
2839 static void transmit_stopmediatransmission(struct skinny_device *d, struct skinny_subchannel *sub)
2840 {
2841         struct skinny_req *req;
2842
2843         if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2844                 return;
2845
2846         req->data.stopmedia.conferenceId = htolel(0);
2847         req->data.stopmedia.passThruPartyId = htolel(sub->callid);
2848
2849         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting STOP_MEDIA_TRANSMISSION_MESSAGE to %s, confid %d, passthrupartyid %d\n",
2850                 d->name, 0, sub->callid);
2851         transmit_response(d, req);
2852 }
2853
2854 static void transmit_startmediatransmission(struct skinny_device *d, struct skinny_subchannel *sub, struct sockaddr_in dest, struct ast_format_list fmt)
2855 {
2856         struct skinny_req *req;
2857
2858         if (d->protocolversion < 17) {
2859                 if (!(req = req_alloc(sizeof(struct start_media_transmission_message_ip4), START_MEDIA_TRANSMISSION_MESSAGE)))
2860                         return;
2861                 req->data.startmedia_ip4.conferenceId = htolel(sub->callid);
2862                 req->data.startmedia_ip4.passThruPartyId = htolel(sub->callid);
2863                 req->data.startmedia_ip4.remoteIp = dest.sin_addr.s_addr;
2864                 req->data.startmedia_ip4.remotePort = htolel(ntohs(dest.sin_port));
2865                 req->data.startmedia_ip4.packetSize = htolel(fmt.cur_ms);
2866                 req->data.startmedia_ip4.payloadType = htolel(codec_ast2skinny(&fmt.format));
2867                 req->data.startmedia_ip4.qualifier.precedence = htolel(127);
2868                 req->data.startmedia_ip4.qualifier.vad = htolel(0);
2869                 req->data.startmedia_ip4.qualifier.packets = htolel(0);
2870                 req->data.startmedia_ip4.qualifier.bitRate = htolel(0);
2871         } else {
2872                 if (!(req = req_alloc(sizeof(struct start_media_transmission_message_ip6), START_MEDIA_TRANSMISSION_MESSAGE)))
2873                         return;
2874                 req->data.startmedia_ip6.conferenceId = htolel(sub->callid);
2875                 req->data.startmedia_ip6.passThruPartyId = htolel(sub->callid);
2876                 memcpy(req->data.startmedia_ip6.remoteIp, &dest.sin_addr.s_addr, sizeof(dest.sin_addr.s_addr));
2877                 req->data.startmedia_ip6.remotePort = htolel(ntohs(dest.sin_port));
2878                 req->data.startmedia_ip6.packetSize = htolel(fmt.cur_ms);
2879                 req->data.startmedia_ip6.payloadType = htolel(codec_ast2skinny(&fmt.format));
2880                 req->data.startmedia_ip6.qualifier.precedence = htolel(127);
2881                 req->data.startmedia_ip6.qualifier.vad = htolel(0);
2882                 req->data.startmedia_ip6.qualifier.packets = htolel(0);
2883                 req->data.startmedia_ip6.qualifier.bitRate = htolel(0);
2884         }
2885
2886         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting START_MEDIA_TRANSMISSION_MESSAGE to %s, callid %d, passthrupartyid %d, ip %s:%d, ms %d, fmt %d, prec 127\n",
2887                 d->name, sub->callid, sub->callid, ast_inet_ntoa(dest.sin_addr), dest.sin_port, fmt.cur_ms, codec_ast2skinny(&fmt.format));
2888         transmit_response(d, req);
2889 }
2890
2891 static void transmit_activatecallplane(struct skinny_device *d, struct skinny_line *l)
2892 {
2893         struct skinny_req *req;
2894
2895         if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
2896                 return;
2897
2898         req->data.activatecallplane.lineInstance = htolel(l->instance);
2899
2900         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting ACTIVATE_CALL_PLANE_MESSAGE to %s, inst %d\n",
2901                 d->name, l->instance);
2902         transmit_response(d, req);
2903 }
2904
2905 static void transmit_callstate(struct skinny_device *d, int buttonInstance, unsigned callid, int state)
2906 {
2907         struct skinny_req *req;
2908
2909         if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
2910                 return;
2911
2912         req->data.callstate.callState = htolel(state);
2913         req->data.callstate.lineInstance = htolel(buttonInstance);
2914         req->data.callstate.callReference = htolel(callid);
2915
2916         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting CALL_STATE_MESSAGE to %s, state %s, inst %d, callid %d\n",
2917                 d->name, callstate2str(state), buttonInstance, callid);
2918         transmit_response(d, req);
2919 }
2920
2921 static void transmit_cfwdstate(struct skinny_device *d, struct skinny_line *l)
2922 {
2923         struct skinny_req *req;
2924         int anyon = 0;
2925
2926         if (!(req = req_alloc(sizeof(struct forward_stat_message), FORWARD_STAT_MESSAGE)))
2927                 return;
2928
2929         if (l->cfwdtype & SKINNY_CFWD_ALL) {
2930                 if (!ast_strlen_zero(l->call_forward_all)) {
2931                         ast_copy_string(req->data.forwardstat.fwdallnum, l->call_forward_all, sizeof(req->data.forwardstat.fwdallnum));
2932                         req->data.forwardstat.fwdall = htolel(1);
2933                         anyon++;
2934                 } else {
2935                         req->data.forwardstat.fwdall = htolel(0);
2936                 }
2937         }
2938         if (l->cfwdtype & SKINNY_CFWD_BUSY) {
2939                 if (!ast_strlen_zero(l->call_forward_busy)) {
2940                         ast_copy_string(req->data.forwardstat.fwdbusynum, l->call_forward_busy, sizeof(req->data.forwardstat.fwdbusynum));
2941                         req->data.forwardstat.fwdbusy = htolel(1);
2942                         anyon++;
2943                 } else {
2944                         req->data.forwardstat.fwdbusy = htolel(0);
2945                 }
2946         }
2947         if (l->cfwdtype & SKINNY_CFWD_NOANSWER) {
2948                 if (!ast_strlen_zero(l->call_forward_noanswer)) {
2949                         ast_copy_string(req->data.forwardstat.fwdnoanswernum, l->call_forward_noanswer, sizeof(req->data.forwardstat.fwdnoanswernum));
2950                         req->data.forwardstat.fwdnoanswer = htolel(1);
2951                         anyon++;
2952                 } else {
2953                         req->data.forwardstat.fwdnoanswer = htolel(0);
2954                 }
2955         }
2956         req->data.forwardstat.lineNumber = htolel(l->instance);
2957         if (anyon)
2958                 req->data.forwardstat.activeforward = htolel(7);
2959         else
2960                 req->data.forwardstat.activeforward = htolel(0);
2961
2962         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting FORWARD_STAT_MESSAGE to %s, inst %d, all %s, busy %s, noans %s, acitve %d\n",
2963                 d->name, l->instance, l->call_forward_all, l->call_forward_busy, l->call_forward_noanswer, anyon ? 7 : 0);
2964         transmit_response(d, req);
2965 }
2966
2967 static void transmit_speeddialstatres(struct skinny_device *d, struct skinny_speeddial *sd)
2968 {
2969         struct skinny_req *req;
2970
2971         if (!(req = req_alloc(sizeof(struct speed_dial_stat_res_message), SPEED_DIAL_STAT_RES_MESSAGE)))
2972                 return;
2973
2974         req->data.speeddialreq.speedDialNumber = htolel(sd->instance);
2975         ast_copy_string(req->data.speeddial.speedDialDirNumber, sd->exten, sizeof(req->data.speeddial.speedDialDirNumber));
2976         ast_copy_string(req->data.speeddial.speedDialDisplayName, sd->label, sizeof(req->data.speeddial.speedDialDisplayName));
2977
2978         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting SPEED_DIAL_STAT_RES_MESSAGE to %s, inst %d, dir %s, display %s\n",
2979                 d->name, sd->instance, sd->exten, sd->label);
2980         transmit_response(d, req);
2981 }
2982
2983 //static void transmit_linestatres(struct skinny_device *d, struct skinny_line *l)
2984 static void transmit_linestatres(struct skinny_device *d, int instance)
2985 {
2986         struct skinny_req *req;
2987         struct skinny_line *l;
2988         struct skinny_speeddial *sd;
2989
2990         if (!(req = req_alloc(sizeof(struct line_stat_res_message), LINE_STAT_RES_MESSAGE)))
2991                 return;
2992
2993         if ((l = find_line_by_instance(d, instance))) {
2994                 req->data.linestat.lineNumber = letohl(l->instance);
2995                 memcpy(req->data.linestat.lineDirNumber, l->name, sizeof(req->data.linestat.lineDirNumber));
2996                 memcpy(req->data.linestat.lineDisplayName, l->label, sizeof(req->data.linestat.lineDisplayName));
2997         } else if ((sd = find_speeddial_by_instance(d, instance, 1))) {
2998                 req->data.linestat.lineNumber = letohl(sd->instance);
2999                 memcpy(req->data.linestat.lineDirNumber, sd->label, sizeof(req->data.linestat.lineDirNumber));
3000                 memcpy(req->data.linestat.lineDisplayName, sd->label, sizeof(req->data.linestat.lineDisplayName));
3001         }
3002
3003         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting LINE_STAT_RES_MESSAGE to %s, inst %d, num %s, label %s\n",
3004                 d->name, l->instance, req->data.linestat.lineDirNumber, req->data.linestat.lineDisplayName);
3005         transmit_response(d, req);
3006 }
3007
3008 static void transmit_definetimedate(struct skinny_device *d)
3009 {
3010         struct skinny_req *req;
3011         struct timeval now = ast_tvnow();
3012         struct ast_tm cmtime;
3013
3014         if (!(req = req_alloc(sizeof(struct definetimedate_message), DEFINETIMEDATE_MESSAGE)))
3015                 return;
3016
3017         ast_localtime(&now, &cmtime, NULL);
3018         req->data.definetimedate.year = htolel(cmtime.tm_year+1900);
3019         req->data.definetimedate.month = htolel(cmtime.tm_mon+1);
3020         req->data.definetimedate.dayofweek = htolel(cmtime.tm_wday);
3021         req->data.definetimedate.day = htolel(cmtime.tm_mday);
3022         req->data.definetimedate.hour = htolel(cmtime.tm_hour);
3023         req->data.definetimedate.minute = htolel(cmtime.tm_min);
3024         req->data.definetimedate.seconds = htolel(cmtime.tm_sec);
3025         req->data.definetimedate.milliseconds = htolel(cmtime.tm_usec / 1000);
3026         req->data.definetimedate.timestamp = htolel(now.tv_sec);
3027
3028         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting DEFINETIMEDATE_MESSAGE to %s, date %d %d %d dow %d time %d:%d:%d.%d\n",
3029                 d->name, req->data.definetimedate.year, req->data.definetimedate.month, req->data.definetimedate.day, req->data.definetimedate.dayofweek,
3030                 req->data.definetimedate.hour, req->data.definetimedate.minute, req->data.definetimedate.seconds, req->data.definetimedate.milliseconds);
3031         transmit_response(d, req);
3032 }
3033
3034 static void transmit_versionres(struct skinny_device *d)
3035 {
3036         struct skinny_req *req;
3037         if (!(req = req_alloc(sizeof(struct version_res_message), VERSION_RES_MESSAGE)))
3038                 return;
3039
3040         ast_copy_string(req->data.version.version, d->version_id, sizeof(req->data.version.version));
3041
3042         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting VERSION_RES_MESSAGE to %s, version %s\n", d->name, d->version_id);
3043         transmit_response(d, req);
3044 }
3045
3046 static void transmit_serverres(struct skinny_device *d)
3047 {
3048         struct skinny_req *req;
3049         if (!(req = req_alloc(sizeof(struct server_res_message), SERVER_RES_MESSAGE)))
3050                 return;
3051
3052         memcpy(req->data.serverres.server[0].serverName, ourhost,
3053                         sizeof(req->data.serverres.server[0].serverName));
3054         req->data.serverres.serverListenPort[0] = htolel(ourport);
3055         req->data.serverres.serverIpAddr[0] = htolel(d->ourip.s_addr);
3056
3057         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting SERVER_RES_MESSAGE to %s, srvname %s %s:%d\n",
3058                 d->name, ourhost, ast_inet_ntoa(d->ourip), ourport);
3059         transmit_response(d, req);
3060 }
3061
3062 static void transmit_softkeysetres(struct skinny_device *d)
3063 {
3064         struct skinny_req *req;
3065         int i;
3066         int x;
3067         int y;
3068         int keydefcount;
3069         const struct soft_key_definitions *softkeymode = soft_key_default_definitions;
3070
3071         if (!(req = req_alloc(sizeof(struct soft_key_set_res_message), SOFT_KEY_SET_RES_MESSAGE)))
3072                 return;
3073
3074         SKINNY_DEBUG(DEBUG_TEMPLATE, 3, "Creating Softkey Template\n");
3075
3076         keydefcount = ARRAY_LEN(soft_key_default_definitions);
3077         req->data.softkeysets.softKeySetOffset = htolel(0);
3078         req->data.softkeysets.softKeySetCount = htolel(keydefcount);
3079         req->data.softkeysets.totalSoftKeySetCount = htolel(keydefcount);
3080         for (x = 0; x < keydefcount; x++) {
3081                 const uint8_t *defaults = softkeymode->defaults;
3082                 /* XXX I wanted to get the size of the array dynamically, but that wasn't wanting to work.
3083                    This will have to do for now. */
3084                 for (y = 0; y < softkeymode->count; y++) {
3085                         for (i = 0; i < (sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition)); i++) {
3086                                 if (defaults[y] == i+1) {
3087                                         req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyTemplateIndex[y] = (i+1);
3088                                         req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyInfoIndex[y] = htoles(i+301);
3089                                         SKINNY_DEBUG(DEBUG_TEMPLATE, 4, "softKeySetDefinition : softKeyTemplateIndex: %d softKeyInfoIndex: %d\n",
3090                                                 i+1, i+301);
3091                                 }
3092                         }
3093                 }
3094                 softkeymode++;
3095         }
3096
3097         SKINNY_DEBUG(DEBUG_PACKET | DEBUG_TEMPLATE, 3, "Transmitting SOFT_KEY_SET_RES_MESSAGE to %s, template data\n",
3098                 d->name);
3099         transmit_response(d, req);
3100 }
3101
3102 static void transmit_softkeytemplateres(struct skinny_device *d)
3103 {
3104         struct skinny_req *req;
3105
3106         if (!(req = req_alloc(sizeof(struct soft_key_template_res_message), SOFT_KEY_TEMPLATE_RES_MESSAGE)))
3107                 return;
3108
3109         req->data.softkeytemplate.softKeyOffset = htolel(0);
3110         req->data.softkeytemplate.softKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
3111         req->data.softkeytemplate.totalSoftKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
3112         memcpy(req->data.softkeytemplate.softKeyTemplateDefinition,
3113                 soft_key_template_default,
3114                 sizeof(soft_key_template_default));
3115
3116         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting SOFT_KEY_TEMPLATE_RES_MESSAGE to %s, offset 0, keycnt %d, totalkeycnt %d, template data\n",
3117                 d->name, req->data.softkeytemplate.softKeyCount, req->data.softkeytemplate.totalSoftKeyCount);
3118         transmit_response(d, req);
3119 }
3120
3121 static void transmit_reset(struct skinny_device *d, int fullrestart)
3122 {
3123         struct skinny_req *req;
3124
3125         if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
3126                 return;
3127
3128         if (fullrestart)
3129                 req->data.reset.resetType = 2;
3130         else
3131                 req->data.reset.resetType = 1;
3132
3133         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting RESET_MESSAGE to %s, type %s\n",
3134                 d->name, (fullrestart) ? "Restarting" : "Resetting");
3135         transmit_response(d, req);
3136 }
3137
3138 static void transmit_keepaliveack(struct skinny_device *d)
3139 {
3140         struct skinny_req *req;
3141
3142         if (!(req = req_alloc(0, KEEP_ALIVE_ACK_MESSAGE)))
3143                 return;
3144
3145         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting KEEP_ALIVE_ACK_MESSAGE to %s\n", d->name);
3146         transmit_response(d, req);
3147 }
3148
3149 static void transmit_registerack(struct skinny_device *d)
3150 {
3151         struct skinny_req *req;
3152
3153         if (!(req = req_alloc(sizeof(struct register_ack_message), REGISTER_ACK_MESSAGE)))
3154                 return;
3155
3156         req->data.regack.res[0] = '0';
3157         req->data.regack.res[1] = '\0';
3158         req->data.regack.keepAlive = htolel(keep_alive);
3159         memcpy(req->data.regack.dateTemplate, date_format, sizeof(req->data.regack.dateTemplate));
3160         req->data.regack.res2[0] = '0';
3161         req->data.regack.res2[1] = '\0';
3162         req->data.regack.secondaryKeepAlive = htolel(keep_alive);
3163
3164 #ifdef AST_DEVMODE
3165         {
3166         short res = req->data.regack.res[0] << 8 | req->data.regack.res[1];
3167         int res2 = req->data.regack.res2[0] << 24 | req->data.regack.res2[1] << 16 | req->data.regack.res2[2] << 8 | req->data.regack.res2[3];
3168         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting REGISTER_ACK_MESSAGE to %s, keepalive %d, datetemplate %s, seckeepalive %d, res 0x%04x, res2 0x%08x\n",
3169                 d->name, keep_alive, date_format, keep_alive, res, res2);
3170         }
3171 #endif
3172
3173         transmit_response(d, req);
3174 }
3175
3176 static void transmit_capabilitiesreq(struct skinny_device *d)
3177 {
3178         struct skinny_req *req;
3179
3180         if (!(req = req_alloc(0, CAPABILITIES_REQ_MESSAGE)))
3181                 return;
3182
3183         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting CAPABILITIES_REQ_MESSAGE to %s\n", d->name);
3184         transmit_response(d, req);
3185 }
3186
3187 static void transmit_backspace(struct skinny_device *d, int instance, unsigned callid)
3188 {
3189         struct skinny_req *req;
3190
3191         if (!(req = req_alloc(sizeof(struct bksp_req_message), BKSP_REQ_MESSAGE)))
3192                 return;
3193
3194         req->data.bkspmessage.instance = htolel(instance);
3195         req->data.bkspmessage.callreference = htolel(callid);
3196
3197         SKINNY_DEBUG(DEBUG_PACKET, 3, "Transmitting BKSP_REQ_MESSAGE to %s, inst %d, callid %d \n",
3198                 d->name, instance, callid);
3199         transmit_response(d, req);
3200 }
3201
3202 static int skinny_extensionstate_cb(char *context, char *exten, struct ast_state_cb_info *info, void *data)
3203 {
3204         struct skinny_container *container = data;
3205         struct skinny_device *d = NULL;
3206         char hint[AST_MAX_EXTENSION];
3207         int state = info->exten_state;
3208
3209         /* only interested in device state here */
3210         if (info->reason != AST_HINT_UPDATE_DEVICE) {
3211                 return 0;
3212         }
3213
3214         if (container->type == SKINNY_SDCONTAINER) {
3215                 struct skinny_speeddial *sd = container->data;
3216                 d = sd->parent;
3217
3218                 SKINNY_DEBUG(DEBUG_HINT, 3, "Got hint %s on speeddial %s\n", ast_extension_state2str(state), sd->label);
3219
3220                 if (ast_get_hint(hint, sizeof(hint), NULL, 0, NULL, sd->context, sd->exten)) {
3221                         /* If they are not registered, we will override notification and show no availability */
3222                         if (ast_device_state(hint) == AST_DEVICE_UNAVAILABLE) {
3223                                 transmit_lamp_indication(d, STIMULUS_LINE, sd->instance, SKINNY_LAMP_FLASH);
3224                                 transmit_callstate(d, sd->instance, 0, SKINNY_ONHOOK);
3225                                 return 0;
3226                         }
3227                         switch (state) {
3228                         case AST_EXTENSION_DEACTIVATED: /* Retry after a while */
3229                         case AST_EXTENSION_REMOVED:     /* Extension is gone */
3230                                 SKINNY_DEBUG(DEBUG_HINT, 3, "Extension state: Watcher for hint %s %s. Notify Device %s\n",
3231                                         exten, state == AST_EXTENSION_DEACTIVATED ? "deactivated" : "removed", d->name);
3232                                 sd->stateid = -1;
3233                                 transmit_lamp_indication(d, STIMULUS_LINE, sd->instance, SKINNY_LAMP_OFF);
3234                                 transmit_callstate(d, sd->instance, 0, SKINNY_ONHOOK);
3235                                 break;
3236                         case AST_EXTENSION_RINGING:
3237                         case AST_EXTENSION_UNAVAILABLE:
3238                                 transmit_lamp_indication(d, STIMULUS_LINE, sd->instance, SKINNY_LAMP_BLINK);
3239                                 transmit_callstate(d, sd->instance, 0, SKINNY_RINGIN);
3240                                 break;
3241                         case AST_EXTENSION_BUSY: /* callstate = SKINNY_BUSY wasn't wanting to work - I'll settle for this */
3242                         case AST_EXTENSION_INUSE:
3243                                 transmit_lamp_indication(d, STIMULUS_LINE, sd->instance, SKINNY_LAMP_ON);
3244                                 transmit_callstate(d, sd->instance, 0, SKINNY_CALLREMOTEMULTILINE);
3245                                 break;
3246                         case AST_EXTENSION_ONHOLD:
3247                                 transmit_lamp_indication(d, STIMULUS_LINE, sd->instance, SKINNY_LAMP_WINK);
3248                                 transmit_callstate(d, sd->instance, 0, SKINNY_HOLD);
3249                                 break;
3250                         case AST_EXTENSION_NOT_INUSE:
3251                         default:
3252                                 transmit_lamp_indication(d, STIMULUS_LINE, sd->instance, SKINNY_LAMP_OFF);
3253                                 transmit_callstate(d, sd->instance, 0, SKINNY_ONHOOK);
3254                                 break;
3255                         }
3256                 }
3257                 sd->laststate = state;
3258         } else if (container->type == SKINNY_SUBLINECONTAINER) {
3259                 struct skinny_subline *subline = container->data;
3260                 struct skinny_line *l = subline->line;
3261                 d = l->device;
3262
3263                 SKINNY_DEBUG(DEBUG_HINT, 3, "Got hint %s on subline %s (%s@%s)\n", ast_extension_state2str(state), subline->name, exten, context);
3264
3265                 subline->extenstate = state;
3266
3267                 if (subline->callid == 0) {
3268                         return 0;
3269                 }
3270
3271                 switch (state) {